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Fix MIPS SPEC95 FP 146.wave5 -fprofile-generate failure.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2
3         PR target/16325
4         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
5         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
6
7 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8
9         * expr.c (expand_assignment): Reenable bitfield += optimizations.
10         Use alias set 0 for memory, do proper mode calculations and adjust
11         address for memories.
12
13 2004-07-14  Per Bothner  <per@bothner.com>
14
15         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
16         structure with extra column field.
17         * tree.c (expand_location):  Also fill in column field.
18         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
19         gets confused by the two conditionally-compiled definitions.
20
21 2004-07-14  Eric Christopher  <echristo@redhat.com>
22
23         * calls.c (expand_call): Fix typo in comment.
24
25 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
26
27         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
28         comparision of TFmode.
29
30 2004-07-14  Richard Henderson  <rth@redhat.com>
31
32         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
33         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
34         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
35         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
36         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
37         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
38         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
39         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
40         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
41
42 2004-07-14  Mike Stump  <mrs@apple.com>
43
44         * config/darwin.h (WINT_TYPE): Define to be int to match
45         system header files.
46
47 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
48
49         * config/xtensa/xtensa.c (function_arg_advance): Check for args
50         that must be passed in the stack.
51         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
52         arguments if the size is not a constant.
53
54 2004-07-14  Per Bothner  <per@bothner.com>
55
56         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
57         instead of EXPR_LOCUS in a boolean context, which is always true
58         if --enable-mapped-location.
59         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
60
61 2004-07-14  Richard Henderson  <rth@redhat.com>
62
63         * dominance.c (struct dom_info): Add fake_exit_edge.
64         (init_dom_info): Allocate it.
65         (free_dom_info): Free it.
66         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
67         in two passes.
68         (calc_idoms): Honor fake_exit_edge.
69
70 2004-07-13  Jason Merrill  <jason@redhat.com>
71
72         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
73         (rhs_test_for): New fn.
74         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
75         * tree-gimple.h: Declare them.
76         * gimplify.c (gimplify_modify_expr): Use the new fns.
77
78 2004-07-14  Richard Henderson  <rth@redhat.com>
79
80         * config/arm/arm-protos.h (arm_va_arg): Remove.
81         * config/arm/arm.c (arm_va_arg): Remove.
82         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
83         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
84
85 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
86
87         * pa.c (fix_range): New function to mark a range(s) of registers as
88         fixed registers.
89         (override_options): Call fix_range if the -mfixed-range option string
90         is not empty.
91         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
92         * doc/invoke.texi (-mfixed-range): Document new option.
93
94 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
95
96         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
97         for TARGET_64BIT.
98         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
99
100 2004-07-14  Roger Sayle  <roger@eyesopen.com>
101
102         * expmed.c (expand_sdiv_pow2): New function to expand signed division
103         by a positive power of two, split out from expand_divmod.  Provide
104         an alternate implementation when shifts are expensive.  Lower the
105         threshold for using a branchless implementation to BRANCH_COST >= 2.
106         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
107
108 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
109
110         * tree-dfa.c (make_rename_temp): *Really* work just
111         like create_tmp_var if called while outside SSA form.
112
113 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
114
115         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
116         for division by zero.
117         ("umodsi3"): Likewise.
118
119 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
120
121         * config/mips/mips.c (mips_output_move): When generating mips16 code,
122         force loads of negative constants to be split.
123         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
124         Generalize SImode li/neg splitter to cope with other modes.
125
126 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
127
128         * expmed.c: Remove more references to QUEUED in the comments.
129         * expr.c: Likewise.
130
131 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
132
133         Revert:
134         2004-07-13  Richard Henderson  <rth@redhat.com>
135         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
136         correctly.
137
138 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
139
140         * tree-dfa.c (make_rename_temp): Work just like
141         create_tmp_var if called while outside SSA form.
142
143 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
144
145         * expr.c (enqueue_insn, finish_expr_for_function,
146         protect_from_queue, queued_subexp_p, mark_queue,
147         emit_insns_enqueued_after_mark, emit_queue,
148         expand_increment): Remove.
149         (store_constructor): Expand increment as an assignment.
150         (expand_expr_real_1 <case PREINCREMENT_EXPR,
151         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
152         case POSTDECREMENT_EXPR>): Abort.
153         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
154         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
155         protect_from_queue, emit_queue, queued_subexp_p): Remove.
156         * function.h (pending_chain, x_pending_chain): Remove.
157         * rtl.def (QUEUED): Remove.
158
159         * emit-rtl.c (copy_insn_1, copy_most_rtx,
160         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
161         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
162         encode_units_mask): Likewise.
163         * local-alloc.c (equiv_init_varies_p): Likewise.
164         * rtl.c (copy_rtx): Likewise.
165         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
166         * simplify-rtx.c (simplify_gen_subreg): Likewise.
167         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
168
169         * builtins.c (expand_builtin, expand_builtin_apply,
170         expand_builtin_mathfn, expand_builtin_mathfn_2,
171         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
172         Remove calls to emit_queue and protect_from_queue.
173         * calls.c (expand_call, precompute_arguments,
174         precompute_register_parameters, rtx_for_function_call,
175         store_one_arg): Likewise.
176         * dojump.c (do_compare_and_jump, do_jump): Likewise.
177         * explow.c (memory_address): Likewise.
178         * expmed.c (clear_by_pieces_1, clear_storage,
179         clear_storage_via_libcall, emit_group_load,
180         emit_group_store, emit_store_flag,
181         expand_expr_real_1, store_by_pieces,
182         store_constructor, store_expr, try_casesi,
183         try_tablejump): Likewise.
184         * function.c (expand_pending_sizes): Likewise.
185         * optabs.c (emit_cmp_and_jump_insns,
186         emit_conditional_add, emit_conditional_move,
187         expand_fix, expand_float, prepare_cmp_insn): Likewise.
188         * stmt.c (emit_case_bit_tests,
189         expand_asm_expr, expand_computed_goto,
190         expand_decl_init, expand_end_case_type,
191         expand_end_stmt_expr, expand_expr_stmt_value,
192         expand_return, expand_start_case,
193         optimize_tail_recursion): Likewise.
194         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
195         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
196
197 2004-07-14  Ben Elliston  <bje@au.ibm.com>
198
199         * vec.h: Comment fix.
200
201 2004-07-13  Richard Henderson  <rth@redhat.com>
202
203         * target.h (struct gcc_target): Add calls.pass_by_reference.
204         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
205         * function.c (pass_by_reference): Use the hook.
206         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
207         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
208         (hook_pass_by_reference_must_pass_in_stack): New.
209         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
210         (alpha_pass_by_reference): New.
211         (TARGET_PASS_BY_REFERENCE): New.
212         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
213         * config/arc/arc.c (arc_pass_by_reference): New.
214         (TARGET_PASS_BY_REFERENCE): New.
215         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
216         (FUNCTION_ARG_CALLEE_COPIES): True.
217         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
218         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
219         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
220         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
221         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
222         * config/cris/cris.c (cris_pass_by_reference): New.
223         (TARGET_PASS_BY_REFERENCE): New.
224         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
225         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
226         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
227         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
228         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
229         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
230         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
231         (frv_function_arg_pass_by_reference): Remove.
232         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
233         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
234         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
235         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
236         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
237         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
238         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
239         (ia64_pass_by_reference): Rename from
240         ia64_function_arg_pass_by_reference.
241         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
242         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
243         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
244         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
245         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
246         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
247         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
248         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
249         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
250         (m32r_pass_by_reference): Adjust prototype.  Make static.
251         Handle mode sizes correctly.
252         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
253         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
254         (m68hc11_function_arg_pass_by_reference): Remove.
255         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
256         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
257         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
258         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
259         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
260         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
261         (mips_va_arg): Use pass_by_reference.
262         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
263         Handle mode sizes correctly.
264         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
265         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
266         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
267         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
268         (mmix_pass_by_reference): Rename from
269         mmix_function_arg_pass_by_reference.
270         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
271         (FUNCTION_ARG_CALLEE_COPIES): True.
272         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
273         (mn10300_pass_by_reference): New.
274         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
275         (FUNCTION_ARG_CALLEE_COPIES): True.
276         * config/pa/pa.c (pa_pass_by_reference): New.
277         (TARGET_PASS_BY_REFERENCE): New.
278         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
279         (FUNCTION_ARG_CALLEE_COPIES): True.
280         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
281         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
282         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
283         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
284         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
285         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
286         (s390_pass_by_reference): Rename from
287         s390_function_arg_pass_by_reference.
288         (s390_function_arg_advance): Don't query pass-by-ref.
289         (s390_function_arg): Likewise.
290         (s390_gimplify_va_arg): Use pass_by_reference.
291         (s390_call_saved_register_used): Likewise.
292         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
293         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
294         (shcompact_byref, sh_pass_by_reference): New.
295         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
296         (SHCOMPACT_BYREF): Remove.
297         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
298         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
299         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
300         (sparc_gimplify_va_arg): Use pass_by_reference.
301         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
302         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
303         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
304         (v850_pass_by_reference): New.
305         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
306         (FUNCTION_ARG_CALLEE_COPIES): True.
307         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
308         FUNCTION_ARG_PASS_BY_REFERENCE docs.
309
310 2004-07-14  Richard Henderson  <rth@redhat.com>
311             Richard Sandiford  <rsandifo@redhat.com>
312
313         * config/mips/mips-protos.h (mips_va_arg): Delete.
314         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
315         * config/mips/mips.c: Include tree-gimple.h.
316         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
317         (mips_arg_info): Remove special handling of must_pass_in_stck args.
318         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
319         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
320
321 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
322
323         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
324         arguments for COND_EXPR in big-endian adjustment code.
325
326 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
327
328         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
329         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
330         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
331         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
332
333 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
334
335         PR tree-optimization/16443
336         * tree-ssa-alias.c: Add more description for
337         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
338         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
339         clobbering of call-clobbered and addressable variables.  If
340         there are any before aliases have been computed, add them.
341
342 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
343
344         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
345         verification.
346
347 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
348
349         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
350         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
351         to the same type.
352
353 2004-07-13  Per Bothner  <per@bothner.com>
354
355         * collect2.c (main):  Handle --no-demangle and --demangle flags.
356
357 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
358
359         * Makefile.in (OBJS-common): Add tree-data-ref.o.
360         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
361         (tree-data-ref.o): New rule.
362         * lambda.h: New file.
363         * tree-data-ref.c: New file.
364         * tree-data-ref.h: New file.
365         * tree.c (int_cst_value, tree_fold_gcd): New functions.
366         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
367
368 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
369
370         PR target/13926
371         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
372         * config/sparc/sparc.c (output_ubranch): New function.
373         * config/sparc/sparc.md (jump pattern): Use it.
374
375 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
376
377         PR target/16494
378         * config/sparc/sparc.c (output_cbranch): Properly guard
379         the code handling far branches with TARGET_V9.
380         * config/sparc/sparc.md (length attribute): Document the
381         side-effect of having a length greater or equal to 3.
382
383 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
384             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
385
386         PR target/15186
387         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
388         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
389
390 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
391             Martin Sebor  <sebor@roguewave.com>
392
393         PR target/12602
394         * doc/invoke.texi (SPARC options): Document -threads
395         and -pthreads on Solaris.
396
397 2004-07-13  Richard Henderson  <rth@redhat.com>
398
399         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
400         by reference.
401         (ind_gimplify_va_arg_expr): Remove.
402         * tree.h (ind_gimplify_va_arg_expr): Remove.
403         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
404         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
405         argsp to be null.
406
407         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
408         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
409         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
410         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
411         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
412
413 2004-07-13  Richard Henderson  <rth@redhat.com>
414
415         * function.c (pass_by_reference): New.
416         (assign_parm_find_data_types): Use it.
417         * calls.c (initialize_argument_information): Likewise.
418         (emit_library_call_value_1): Likewise.
419         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
420         * function.h (pass_by_reference): Declare.
421
422 2004-07-13  Richard Henderson  <rth@redhat.com>
423
424         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
425         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
426         * expr.h (MUST_PASS_IN_STACK): Remove.
427         * system.h (MUST_PASS_IN_STACK): Poison.
428         * tree.h (must_pass_in_stack_var_size): Declare.
429         (must_pass_in_stack_var_size_or_pad): Declare.
430         * calls.c (must_pass_in_stack_var_size): New.
431         (must_pass_in_stack_var_size_or_pad): Rename from
432         default_must_pass_in_stack.
433         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
434         (TARGET_MUST_PASS_IN_STACK): New.
435         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
436         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
437         (TARGET_MUST_PASS_IN_STACK): New.
438         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
439         * config/frv/frv.c (frv_must_pass_in_stack): New.
440         (TARGET_MUST_PASS_IN_STACK): New.
441         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
442         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
443         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
444         (ix86_must_pass_in_stack): Make static.
445         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
446         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
447         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
448         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
449         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
450         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
451         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
452         (mcore_must_pass_on_stack): Remove.
453         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
454         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
455         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
456         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
457         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
458         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
459         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
460         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
461         (TARGET_MUST_PASS_IN_STACK): New.
462         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
463         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
464         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
465         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
466         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
467         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
468         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
469         MUST_PASS_IN_STACK.
470
471         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
472         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
473         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
474         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
475         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
476         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
477         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
478         config/xtensa/xtensa.c: Use target hook.
479
480 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
481
482         * configure.ac (gcc_cv_as_offsetable_lo10: Fix a typo.
483         * configure: Rebuilt.
484
485 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
486
487         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
488         * config/mips/mips.h (mips_reg_names): Don't declare.
489         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
490         (TARGET_NAME_REGS): Delete.
491         (TARGET_SWITCHES): Remove -mrnames.
492         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
493         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
494         in REGISTER_NAMES.
495         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
496         (override_options): Remove handling of TARGET_NAME_REGS.
497
498 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
499
500         * config/mips/mips.h (TARGET_*): Boolify.
501
502 2004-07-12  Nick Clifton  <nickc@redhat.com>
503
504         * config.gcc: Add sh-*-symbianelf target.
505         * config/sh/sh.c: Add new target macros:
506         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
507         TARGET_CXX_IMPORT_EXPORT_CLASS.
508         (sh_file_start): Create a definition of the .directive section.
509         (sh_attribute): Add dllimport and dllexport attributes.
510         * config/sh/symbian-pre.h: New file.
511         * config/sh/symbian-post.h: New file.
512         * config/sh/symbian.c: New file. Contains Symbian specific
513         functions.
514         * config/sh/sh-protos.h: Add prototypes for new functions
515         provided by symbian.c.
516         * config/sh/t-symbian: New file.
517         * doc/extend.texi: Document support for dllimport and dllexport
518         attributes by the sh-symbianelf target.
519
520 2004-07-12  James E Wilson  <wilson@specifixinc.com>
521
522         * Makefile.in (AR): Use @AR@ not ar.
523         (NM): New.
524         (AR_FOR_TARGET): Use $(AR) not ar for native.
525         (NM_FOR_TARGET): Use $(NM) not nm for native.
526         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
527         * configure: Regenerate.
528
529 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
530
531         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
532         special case.
533         (ashldi3_sp64): Likewise.
534
535 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
536
537         PR target/16477
538         * pa.c (function_arg): Update comment.
539         * pa.h (BLOCK_REG_PADDING): Define.
540
541 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
542
543         PR tree-optimization/16461
544         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
545         arguments of phi nodes.
546
547 2004-07-12  Devang Patel  <dpatel@apple.com>
548
549         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
550
551 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
552
553         * function.c (expand_function_start): Ensure r_save is in Pmode.
554         * calls.c (prepare_call_address): Ensure static_chain_value is
555         in Pmode.
556         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
557         r_save_area are in Pmode.
558         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
559         fnaddr, and static_chain are in Pmode.
560
561 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
562
563         PR target/16445
564         * config/ia64/ia64.c (bundling): Don't count ignored insns.
565
566 2004-07-12  Richard Henderson  <rth@redhat.com>
567
568         * target.h (struct gcc_target): Move gimplify_va_arg_expr
569         next to build_builtin_va_list.
570         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
571         * builtins.c (gimplify_va_arg_expr): Likewise.
572         * gimplify.c (copy_if_shared_r): Likewise.
573
574 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
575
576         * passes.c (rest_of_decl_compilation): Don't defer call of
577         assemble_variable if its DECL_RTL is already set.
578
579 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
580
581         * cfgloop.h (struct loop): Add nb_iterations field.
582         (current_loops): Declare.
583         * tree-chrec.c (chrec_not_analyzed_yet,
584         chrec_dont_know, chrec_known, count_ev_in_wider_type,
585         chrec_contains_symbols_defined_in_loop): Remove the temporary
586         hooks.
587         * tree-flow-inline.h (loop_containing_stmt): New function.
588         * tree-scalar-evolution.c: Add implementation.
589         * tree-scalar-evolution.h: Add declarations.
590
591 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
592
593         PR rtl-optimization/15921
594         * Makefile.in (global.o): Add recog.h.
595
596         * global.c (recog.h): Add the include-clause.
597         (bb_info): New member earlyclobber.
598         (allocate_bb_info, free_bb_info): Initialize/finish the new
599         member.
600         (earlyclobber_regclass, earlyclobber_regclass_length): The new
601         global variables.
602         (check_earlyclobber, regclass_intersect,
603         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
604         New functions.
605         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
606         (make_accurate_live_analysis): Modify pavin.
607
608 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
609
610         * tree-cfg.c (find_taken_edge): Statically compute the truth
611         value of a predicate comparing an SSA_NAME to itself.
612
613 2004-07-12  Roger Sayle  <roger@eyesopen.com>
614
615         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
616         rs6000 doesn't have shift-and-add or shift-and-sub instructions
617         by returning the cost of a multiplication plus an addition.
618
619 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
620
621         PR tree-optimization/14107
622         * gimplify.c (gimplify_return_expr): Accept a
623         RETURN_EXPR with an error argument.
624         * tree-optimize.c (init_tree_optimization_passes):
625         Run pass_warn_function_return at -O0.
626
627 2004-07-12  Roger Sayle  <roger@eyesopen.com>
628
629         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
630         index entry.
631
632 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
633
634         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
635         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
636         * config/mips/3000.md: Add copyright notice.  Remove automota and
637         function units; use generic ones instead.  Only define reservations
638         for things that are different from generic.md.  Extend each clause
639         to include r3900.
640         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
641         * config/mips/mips.md: Include them. Remove define_function_units.
642         (alu, imuldiv): New automata and units.
643
644 2004-07-12  Ben Elliston  <bje@au.ibm.com>
645
646         * doc/invoke.texi (Optimize Options): Document -frename-registers
647         not being enabled by default at -O3.
648
649 2004-07-11  Roger Sayle  <roger@eyesopen.com>
650
651         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
652         floating point additions, to keep real immediate constant positive.
653         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
654         into X + C, and leave positive real constants as X - C.
655
656 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
657
658         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
659
660 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
661
662         PR tree-optimization/15654
663         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
664
665 2004-07-11  Roger Sayle  <roger@eyesopen.com>
666
667         * builtins.c (fold_builtin_fputs): Don't bother converting the
668         return type to integer_type_node, as we've already checked that
669         the result will be ignored.
670
671         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
672         that signed addition, subtraction, multiplication, division,
673         remainder, negation and absolute value may potentially trap.
674
675         * fold-const.c (fold_ignored_result): New function to strip
676         non-side-effecting tree nodes from an expression whose result
677         is ignored.
678         (fold_convert): Call fold_ignored_result when casting a value
679         to VOID_TYPE.
680         (omit_one_operand):  Call fold_ignored_result on the "omitted"
681         operand when building a COMPOUND_EXPR.
682         (pedantic_omit_one_operand): Likewise.
683         * tree.h (fold_ignored_result): Prototype here.
684         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
685         when we're going to ignore the result.
686
687 2004-07-11  Richard Henderson  <rth@redhat.com>
688
689         PR tree-opt/16383
690         * tree-ssa-ccp.c (fold_stmt_r): Split out...
691         * tree.c (fields_compatible_p, find_compatible_field): ... new.
692         * tree.h (fields_compatible_p, find_compatible_field): Declare.
693         * tree-sra.c (sra_hash_tree): Hash fields by offset.
694         (sra_elt_eq): Use fields_compatible_p.
695         (generate_one_element_ref): Use find_compatible_field.
696
697 2004-07-11  Richard Henderson  <rth@redhat.com>
698
699         PR tree-opt/16422
700         * tree-sra.c (generate_one_element_init): New.
701         (generate_element_init): Use it.
702         (scalarize_init): Push/pop gimplify context around it.
703         (find_new_referenced_vars_1, find_new_referenced_vars): New.
704         * gimplify.c (gimplify_expr): Allow SSA_NAME.
705
706 2004-07-11  Roger Sayle  <roger@eyesopen.com>
707
708         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
709         combine.c's combine_insn_cost.
710         * rtl.h (insn_rtx_cost): Prototype here.
711         * combine.c (combine_insn_cost): Delete function.
712         (combine_validate_cost): Update callers of combine_insn_cost to
713         call insn_rtx_cost instead.
714         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
715         requesting the rtx_cost of call and/or jump instructions.
716
717         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
718         rtx_cost directly.  Don't request/use the cost of call or jump
719         instructions.  Return -1 if the cost of any instruction can't be
720         determined (or the BB contains a function call).
721         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
722         -1 (i.e. can't determine the cost of any instruction or the basic
723         block contains a subroutine call).
724         (find_if_case_2): Likewise.
725
726 2004-07-11  Roger Sayle  <roger@eyesopen.com>
727
728         * rs6000.c (struct processor_costs): Change semantics of fields to
729         include the COST_N_INSNS scaling, and update all initializers.
730         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
731         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
732         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
733         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
734
735 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
736
737         * LANGUAGES: Remove obsolete information.
738
739 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
740
741         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
742         SIGBUS signal frames, the PSW address points *to* the faulting
743         instruction, not after it.
744
745 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
746
747         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
748         added to TLS symbol addresses.
749
750 2004-07-11  Richard Henderson  <rth@redhat.com>
751
752         * expmed.c (init_expmed): Use stack-local structures for
753         temporary rtl.  Don't recognize shifts.
754
755 2004-07-11  Richard Henderson  <rth@redhat.com>
756
757         * expr.c (store_expr): Don't fiddle subreg promotion for types
758         with precision smaller than the mode.
759
760 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
761
762         * tree.h (all_types_permanent): Remove.
763
764 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
765
766         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
767         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
768         * langhooks.c (lhd_clear_binding_stack): Remove.
769         * langhooks-def.h (lhd_clear_binding_stack,
770         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
771         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
772         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
773         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
774         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
775         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
776         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
777         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
778         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
779         * tree.h (poplevel): Don't declare.
780         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
781         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
782         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
783         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
784         Remove.
785
786 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
787
788         PR tree-optimization/16437
789         * c-common.c (shorten_compare): Don't mark result of conversion to
790         narrower signed type as overflowing.
791         * fold-const.c (decode_field_reference): Determine whether
792         signedness comes from outer type using precision rather than size.
793
794 2004-07-11  Phil Edwards  <phil@codesourcery.com>
795
796         * configure.ac:  Alphabetize --enable-checking list, add
797         missing valgrind entry.
798         * configure:  Regenerate.
799
800 2004-07-11  Phil Edwards  <phil@codesourcery.com>
801
802         * doc/install.texi (Testing):  Fix syntax in "make check" example.
803
804 2004-07-10  James E Wilson  <wilson@specifixinc.com>
805
806         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
807
808 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
809
810         PR rtl-optimization/16001
811         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
812         niter_expr.
813
814 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
815
816         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
817
818 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
819             James Morrison  <phython@gcc.gnu.org>
820
821         * doc/contrib.texi (Contributors): Add gfortran contributors and
822         fix a couple of typos.
823
824 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
825
826         PR rtl-optimization/15387
827         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
828         to incoming args space correctly.
829
830 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
831
832         * pa.c (output_indirect_call): Only use %r2 as the link register in
833         indirect calls with the long PA 2.0 pc-relative branch.
834
835 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
836
837         * config/i386/i386.c (override_options): Pick a 64-bit CPU
838         for the default tuning if TARGET_64BIT.
839
840 2004-07-10  Richard Henderson  <rth@redhat.com>
841
842         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
843         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
844
845 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
846
847         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
848         * expmed.c (store_bit_field, extract_bit_field): Remove last
849         argument.
850         * builtins.c (expand_builtin_signbit): Adjust callers.
851         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
852         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
853         * ifcvt.c (noce_emit_move_insn): Likewise.
854         * stmt.c (expand_return): Likewise.
855         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
856         store_field, expand_expr_real_1): Likewise.
857
858 2004-07-10  Richard Henderson  <rth@redhat.com>
859
860         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
861
862 2004-07-09  Mike Stump  <mrs@apple.com>
863
864         * config/darwin.c (no_dead_strip): Add.
865         (HAVE_DEAD_STRIP): Add.
866         (darwin_emit_unwind_label): Ensure that we don't dead code strip
867         the .eh label.
868
869 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
870
871         * tree-ssa-loop-im.c: New file.
872         * Makefile.in (tree-ssa-loop-im.o): Add.
873         * cfgloop.c (superloop_at_depth): New function.
874         * cfgloop.h (superloop_at_depth): Declare.
875         * common.opt (ftree-lim): New flag.
876         * expr.c (array_ref_up_bound): New function.
877         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
878         * timevar.def (TV_LIM): New timevar.
879         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
880         computing immediate uses of a phi node.
881         * tree-flow.h (struct tree_ann_common_d): Add aux field.
882         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
883         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
884         * tree-pass.h (pass_lim): Declare.
885         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
886         functions.
887         (pass_lim): New pass structure.
888         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
889         * tree.c (in_array_bounds_p): New function.
890         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
891         (in_array_bounds_p, array_ref_up_bound): Declare.
892         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
893         * doc/passes.texi (tree-ssa-loop-im.c): Document.
894
895 2004-07-09  Richard Henderson  <rth@redhat.com>
896
897         * builtins.c (expand_builtin_stpcpy): Don't modify len.
898
899         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
900         with prejudice.
901
902 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
903
904         * flags.h: Delete redundant prototypes that are being generated
905         in options.h from common.opt.
906         * common.opt: Add in the expository comments formerly in flags.h.
907
908 2004-07-09  Jan Beulich  <jbeulich@novell.com>
909
910         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
911         available for use only when TARGET_MMX/_SSE is set, and check for
912         variable argument function if any register count is non-zero.
913         (function_arg): Correctly suppress repeated warnings for passing SSE
914         vectors are arguments without SSE enabled.
915         (ix86_function_arg_boundary): Without SSE enabled, the use of what
916         would be SSE register modes does no longer influence the alignment.
917
918 2004-07-09  Richard Henderson  <rth@redhat.com>
919
920         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
921         Always align upward to arg boundary.  Use size_in_bytes/round_up.
922         Maintain type-correctness of constants.
923         * stor-layout.c (round_up, round_down): Special-case powers of 2.
924
925 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
926
927         * config/sparc/sparc.c (*_costs): Scale instruction costs
928         by COSTS_N_INSNS.
929         (sparc_rtx_costs): Adjust as appropriate.
930
931 2004-07-09  Jan Beulich  <jbeulich@novell.com>
932
933         * config/i386/mm3dnow.h: New.
934         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
935
936 2004-07-09  Richard Henderson  <rth@redhat.com>
937
938         * simplify-rtx.c (simplify_const_relational_operation): Only
939         look at bounds of scalar integers.
940
941 2004-07-09  Jan Beulich  <jbeulich@novell.com>
942
943         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
944
945 2004-07-09  Andrew Pinski  <apinski@apple.com>
946
947         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
948         always referenced.
949         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
950         UOBJC_METACLASS_decl.
951
952 2004-07-09  James E Wilson  <wilson@specifixinc.com>
953
954         PR target/16364
955         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
956         do return a parallel if hfa_mode == XFmode and mode == TImode.
957
958 2004-07-09  Jan Beulich  <jbeulich@novell.com>
959
960         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
961         permissible for unary plus.
962
963 2004-07-09  Jan Beulich  <jbeulich@novell.com>
964
965         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
966         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
967         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
968         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
969         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
970         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
971         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
972         (BUILTIN_xxxIMAX): New.
973         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
974         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
975         BUILT_IN_PARITYIMAX.
976
977 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
978
979         * config/sparc/sparc.h (processor_costs): Define.
980         (sparc_costs): Declare.
981         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
982         hypersparc_costs, sparclet_costs, ultrasparc_costs,
983         ultrasparc3_costs): New.
984         (sparc_override_options): Set sparc_costs as appropriate.
985         (sparc_rtx_costs): Use sparc_costs instead of messy
986         conditionals.
987
988 2004-07-09  Steven Bosscher  <stevenb@suse.de>
989
990         * doc/md.texi (Processor pipeline description): Mention that
991         the old pipeline description is deprecated.
992
993         * config/rs6000/7450.md (automaton ppc7450): Split up, move
994         mciu_7450 function unit to...
995         (automaton ppc7450mciu): ...new automaton.
996
997         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
998         (schedule_block): Don't consider inserting bubbles.
999         (sched_init): Don't initialize DFA bubbles.
1000         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1001         TARGET_SCHED_DFA_BUBBLE): Remove.
1002         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1003         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1004         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1005
1006         * stmt.c (conditional_context): Remove prototype.
1007         * tree.h (conditional_context): Remove.
1008         * tree-cfg.c (pre_insert_on_edge): Remove.
1009
1010         * c-common.h (c_expand_asm_operands): Remove prototype.
1011         * c-typeck.c (c_expand_asm_operands): Remove.
1012
1013 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1014
1015         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1016         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1017         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1018         and V8QI are class SSE. All sufficiently small remaining vector modes
1019         must be passed in one or two integer registers.
1020         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1021         returned in memory.
1022         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1023         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1024         and must thus be handled explicitly.
1025         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1026         MMX and XMM regs.
1027         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1028         movv2sf_internal): Permit moving between MMX and XMM registers (since
1029         MMX areguments and return values are passed in XMM registers).
1030         (sse2_umulsidi3): Correct type and mode.
1031
1032 2004-07-09  Richard Henderson  <rth@redhat.com>
1033
1034         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1035
1036 2004-07-09  Eric Christopher  <echristo@redhat.com>
1037
1038         * config/rs6000/40x.md: Split into two automatons.
1039
1040 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1041             Andrew Pinski  <apinski@apple.com>
1042
1043         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1044         on when we have more than one input file.
1045         (c_common_parse_file): Restore loop over all input files.
1046         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1047
1048         * c-decl.c (set_type_context): New function.
1049         (pop_scope): Use it to set context of types.  When we
1050         encounter a TYPE_DECL, set the context of the attached type too.
1051         (pop_file_scope): Don't call cpp_undef_all here.
1052         (diagnose_mismatched_decls): Do not complain about a second
1053         definition of an 'extern inline' function if it's not in the
1054         same translation unit.  Do not complain about inline
1055         declaration after use if the use was in a different
1056         translation unit.
1057         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1058         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1059         the external scope.
1060         (pushdecl_top_level): Likewise.
1061         (grokdeclarator): Clarify what is going on with setting
1062         DECL_EXTERNAL on function types, a little.
1063         (c_write_global_declarations): Don't do anything if
1064         -fsyntax-only or errors have been encountered.
1065
1066 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1067
1068         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1069
1070 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1071
1072         PR target/16459
1073         * pa.c (output_indirect_call): Use %r2 as the link register when
1074         calling $$dyncall with a pc-relative branch.
1075
1076 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1077
1078         * doc/install.texi (Binaries): Mention OpenPKG.
1079
1080 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1081
1082         Fix PR tree-optimization/15555
1083         * tree-dfa.c (dump_variable): If the variable is a pointer
1084         SSA_NAME, also dump its points-to information.
1085         * tree-flow.h (struct ptr_info_def): Add field
1086         is_dereferenced.
1087         (dump_points_to_info_for): Declare.
1088         (debug_points_to_info_for): Declare.
1089         * tree-optimize.c (init_tree_optimization_passes): Add a
1090         second alias analysis pass after DOM2.
1091         Move pass_del_pta to a later spot.
1092         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1093         create a name tags when we find a dereferenced pointer.  Just
1094         mark the pointer dereferenced.
1095         (collect_points_to_info_for): Move code to clear points-to
1096         information to create_name_tags.
1097         (create_name_tags): New function.
1098         (compute_flow_sensitive_aliasing): Call it.
1099         (setup_pointers_and_addressables): Mark type tags for renaming
1100         here instead of ...
1101         (create_memory_tag): ... here.
1102         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1103         (dump_points_to_info_for): Declare extern.
1104         (debug_points_to_info_for): New function.
1105
1106 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1107
1108         * config/arc/arc.md: Switch to DFA-based scheduler description.
1109         * config/arc/arc.c: Switch to DFA-based scheduler description.
1110
1111 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1112
1113         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1114         pointer.
1115
1116 2004-07-09  Richard Henderson  <rth@redhat.com>
1117
1118         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1119         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1120         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1121         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1122
1123         * config/v850/v850-protos.h (v850_va_arg): Remove.
1124         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1125         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1126         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1127         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1128         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1129
1130 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1131
1132         PR target/12133
1133         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1134         and DImode to use +/-4k offset.
1135
1136 2004-07-09  Richard Henderson  <rth@redhat.com>
1137
1138         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1139         Remove.
1140         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1141         (xstormy16_gimplify_va_arg_expr): Rewrite from
1142         xstormy16_expand_builtin_va_arg.
1143         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1144
1145         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1146         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1147
1148         * config/sh/sh-protos.h (sh_va_arg): Remove.
1149         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1150         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1151         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1152
1153         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1154         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1155         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1156         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1157
1158         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1159         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1160         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1161         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1162
1163 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1164
1165         * config/sparc/sparc.md (return): Rewrite length formula.
1166         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1167         argument to final_scan_insn when in a delay slot.
1168         (output_sibcall): Likewise.
1169
1170 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1171
1172         * arm.c (arm_cpp_interwork): New variable.
1173         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1174         line.
1175         * arm.h (arm_cpp_interwork): Declare it.
1176         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1177         __THUMB_INTERWORK__ in the preprocessor.
1178
1179 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1180
1181         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1182
1183 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1184
1185         PR target/16416
1186         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1187         Override default settings to account for -m32 and -m64.
1188
1189 2004-07-08  Randolph Chung  <tausq@debian.org>
1190
1191         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1192
1193 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1194
1195         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1196         before comparing it as such.
1197
1198 2004-07-08  Richard Henderson  <rth@redhat.com>
1199
1200         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1201         temporary.  Use bit arithmetic to align.
1202
1203 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1204
1205         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1206         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1207         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1208         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1209         add_labels_and_missing_jumps, find_jump_block,
1210         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1211         Likewise.
1212         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1213         link_btr_uses, move_btr_def): Likewise.
1214         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1215         expand_builtin_expect_jump): Likewise.
1216         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1217         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1218         * cfganal.c (forwarder_block_p): Likewise.
1219         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1220         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1221         find_bb_boundaries): Likewise.
1222         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1223         merge_blocks_move_predecessor_nojumps,
1224         merge_blocks_move_successor_nojumps, insns_match_p,
1225         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1226         try_optimize_cfg): Likewise.
1227         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1228         * cfglayout.c (skip_insns_after_block, label_for_bb,
1229         record_effective_endpoints, insn_locators_initialize,
1230         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1231         * cfgmainloop.c (create_loop_notes): Likewise.
1232         * cfgrtl.c (delete_insn, delete_insn_chain,
1233         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1234         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1235         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1236         redirect_branch_edge, force_nonfallthru_and_redirect,
1237         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1238         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1239         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1240         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1241         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1242         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1243         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1244         * combine.c (combine_instructions, can_combine_p, try_combine,
1245         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1246         distribute_notes, distribute_links, insn_cuid): Likewise.
1247         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1248         invalidate_skipped_block, cse_set_around_loop,
1249         cse_end_of_basic_block, cse_main, cse_basic_block,
1250         cse_condition_code_reg): Likewise.
1251         * cselib.c (cselib_process_insn): Likewise.
1252         * ddg.c (create_ddg): Likewise.
1253         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1254         Likewise.
1255         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1256         gen_label_die, dwarf2out_var_location): Likewise.
1257         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1258         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1259         last_call_insn, active_insn_p, next_label, prev_label,
1260         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1261         add_insn_before, remove_insn, add_function_usage_to,
1262         reorder_insns, find_line_note, remove_unnecessary_notes,
1263         emit_insn_after_1, classify_insn): Likewise.
1264         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1265         connect_post_landing_pads, sjlj_mark_call_sites,
1266         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1267         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1268         convert_to_eh_region_ranges): Likewise.
1269         * explow.c (optimize_save_area_alloca): Likewise.
1270         * expr.c (expand_expr_real): Likewise.
1271         * final.c (insn_current_reference_address, compute_alignments,
1272         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1273         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1274         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1275         propagate_block_delete_insn, propagate_one_insn,
1276         init_propagate_block_info, propagate_block, libcall_dead_p,
1277         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1278         Likewise.
1279         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1280         expand_function_start, expand_function_end, contains,
1281         thread_prologue_and_epilogue_insns,
1282         reposition_prologue_and_epilogue_notes): Likewise.
1283         * gcse.c (constprop_register, bypass_conditional_jumps,
1284         insert_insn_end_bb, gcse_after_reload): Likewise.
1285         * genemit.c (gen_expand, gen_split): Likewise.
1286         * genpeep.c (gen_peephole, main): Likewise.
1287         * global.c (build_insn_chain): Likewise.
1288         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1289         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1290         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1291         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1292         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1293         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1294         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1295         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1296         dead_or_predicable): Likewise.
1297         * integrate.c (try_constants): Likewise.
1298         * jump.c (rebuild_jump_labels, cleanup_barriers,
1299         purge_line_number_notes, init_label_info, mark_all_labels,
1300         squeeze_notes, get_label_before, get_label_after,
1301         reversed_comparison_code_parts, simplejump_p, pc_set,
1302         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1303         delete_barrier, delete_prior_computation, delete_computation,
1304         delete_related_insns, delete_for_peephole, redirect_jump):
1305         Likewise.
1306         * lcm.c (optimize_mode_switching): Likewise.
1307         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1308         Likewise.
1309         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1310         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1311         * loop-iv.c (simplify_using_assignment): Likewise.
1312         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1313         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1314         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1315         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1316         check_insn_for_givs, check_final_value, update_giv_derive,
1317         basic_induction_var, product_cheap_p, check_dbra_loop,
1318         loop_insn_first_p, last_use_this_basic_block,
1319         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1320         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1321         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1322         sms_schedule_by_order): Likewise.
1323         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1324         * postreload.c (reload_cse_simplify_operands, reload_combine,
1325         reload_cse_move2add): Likewise.
1326         * predict.c (can_predict_insn_p, estimate_probability,
1327         expected_value_to_br_prob, process_note_predictions): Likewise.
1328         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1329         * profile.c (branch_prob): Likewise.
1330         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1331         detect_webs_set_in_cond_jump): Likewise.
1332         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1333         ra_print_rtl_with_bb): Likewise.
1334         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1335         * recog.c (next_insn_tests_no_inequality, find_single_use,
1336         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1337         * reg-stack.c (next_flags_user, record_label_references,
1338         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1339         compensate_edge, convert_regs_1): Likewise.
1340         * regclass.c (scan_one_insn): Likewise.
1341         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1342         regmove_optimize, fixup_match_1, single_set_for_csa,
1343         combine_stack_adjustments_for_block): Likewise.
1344         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1345         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1346         find_equiv_reg): Likewise.
1347         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1348         reload_as_needed, emit_input_reload_insns, do_output_reload,
1349         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1350         Likewise.
1351         * reorg.c (find_end_label, emit_delay_sequence,
1352         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1353         get_jump_flags, rare_destination, mostly_true_jump,
1354         try_merge_delay_insns, redundant_insn, own_thread_p,
1355         fill_simple_delay_slots, fill_slots_from_thread,
1356         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1357         dbr_schedule): Likewise.
1358         * resource.c (find_basic_block, next_insn_no_annul,
1359         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1360         * rtl.h (RTX_PREV): Likewise.
1361         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1362         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1363         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1364         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1365         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1366         find_first_parameter_load, can_hoist_insn_p): Likewise.
1367         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1368         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1369         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1370         schedule_ebbs): Likewise.
1371         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1372         is_conditionally_protected, can_schedule_ready_p,
1373         add_branch_dependences, debug_dependencies): Likewise.
1374         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1375         Likewise.
1376         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1377         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1378         set_dominates_use, ujump_to_loop_cont): Likewise.
1379         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1380         * varasm.c (output_constant_pool_1): Likewise.
1381
1382 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1383
1384         * tree-scalar-evolution.c: New file.
1385         * tree-scalar-evolution.h: New file.
1386         * tree-ssa-loop-niter.c: New file.
1387         * Makefile.in (SCEV_H): New.
1388         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1389         * cfgloop.h (struct loop): Add bounds field.
1390         * tree-flow.h (struct tree_niter_desc): New type.
1391         (number_of_iterations_cond, number_of_iterations_exit,
1392         loop_niter_by_eval, find_loop_niter_by_eval,
1393         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1394         free_numbers_of_iterations_estimates): Declare.
1395         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1396         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1397         * doc/invoke.texi (max-iterations-to-track): Document.
1398
1399 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1400
1401         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1402         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1403         (MODE_AFTER): Add cast appropriately.
1404         * config/sh/sh.md (movdi splitter): Likewise.
1405         (casesi_worker_2): Add const qualifier appropriately.
1406         (eh_return): Remove unused variable.
1407         (insv): Initialize v;
1408
1409 2004-07-08  Richard Henderson  <rth@redhat.com>
1410
1411         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1412         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1413         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1414         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1415         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1416
1417         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1418         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1419         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1420         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1421
1422         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1423         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1424         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1425         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1426
1427         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1428         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1429         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1430         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1431
1432         * config/i860/i860-protos.h (i860_va_arg): Remove.
1433         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1434         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1435         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1436
1437 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1438
1439         * system.h: Prototype getpagesize if missing.
1440         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1441         * configure: Regenerate.
1442         * config.in: Regenerate.
1443
1444 2004-07-08  Richard Henderson  <rth@redhat.com>
1445
1446         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1447         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1448         (fr30_gimplify_va_arg_expr): New.
1449         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1450         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1451
1452 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1453
1454         PR target/16414
1455         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1456         of asm_noperands result.
1457
1458 2004-07-08  Richard Henderson  <rth@redhat.com>
1459
1460         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1461         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1462         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1463         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1464
1465 2004-07-08  Richard Henderson  <rth@redhat.com>
1466
1467         * builtins.c (ind_gimplify_va_arg_expr): New.
1468         * tree.h (ind_gimplify_va_arg_expr): Declare.
1469         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1470
1471 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1472
1473         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1474         patterns also on vector elements other than the first one.
1475         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1476         break statements.
1477
1478 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1479
1480         * config/rs6000/darwin-ldouble.c: Correct reference
1481         to the Linnainmaa paper.
1482
1483 2004-07-08  Richard Henderson  <rth@redhat.com>
1484
1485         * config/arc/arc-protos.h (arc_va_arg): Remove.
1486         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1487         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1488         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1489
1490         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1491         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1492         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1493         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1494
1495 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1496
1497         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1498
1499 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1500
1501         * c-decl.c (static_ctors, static_dtors): Make static.
1502         (pop_file_scope): Call c_common_write_pch and
1503         cgraph_finalize_compilation_unit here.
1504         (build_cdtor): Moved here from c-objc-common.c; simplify.
1505         (c_write_global_declarations_1): Clarify comment.
1506         (c_write_global_declarations): Close the external scope before
1507         doing anything else.  Call build_cdtor, cgraph_optimize, and
1508         mudflap_finish_file here.
1509         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1510         Clarify comment.
1511         * c-objc-common.c: No need to include cgraph.h.
1512         (build_cdtor): Moved to c-decl.c.
1513         (c_objc_common_finish_file): Delete.
1514         * c-tree.h: Update to match.
1515         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1516         (generate_static_references): Set TREE_USED before calling finish_decl.
1517         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1518         on the static_instances_decl.
1519
1520 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1521
1522         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1523         decls when there is only one input translation unit.
1524         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1525         change of 2004-07-05; do not treat declarations with
1526         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1527         * opts.c (cur_in_fname): Delete.
1528         * opts.h: Likewise.
1529         * tree.c: Revert changes of 2004-07-05; no special treatment
1530         for TRANSLATION_UNIT_DECLs.
1531         * Makefile.in (tree.o): Update dependencies.
1532
1533 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1534
1535         * builtins.c (fold_builtin_strcpy): Merge functionality from
1536         simplify_builtin_strcpy.  Add additional len argument.  No longer
1537         static.  Remove function prototype.
1538         (fold_builtin_strncpy): Likewise integrate functionality from
1539         simplify_builtin_strncpy.  Add additional slen argument.  No
1540         longer static.  Remove function prototype.
1541         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1542         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1543         types of "ignore" and "unlocked" parameters to bool.
1544         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1545         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1546         builtins.  Update arguments to fold_builtin_strncpy and
1547         fold_builtin_strcpy.  Add function prototype.
1548         (fold_builtin): Add additional Boolean ignore argument to pass
1549         to fold_builtin_1.
1550         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1551         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1552         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1553
1554         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1555         simplify_builtin_strncpy): Delete function prototypes.
1556         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1557         fold_builtin_strncpy): Add function prototypes here.
1558         (fold_builtin): Update function prototype with new "bool ignore".
1559
1560         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1561         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1562         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1563         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1564         simplify_builtin_strncpy respectively.
1565         * fold-const.c (fold): Update call to fold_builtin.
1566
1567 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1568
1569         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1570         to strcpy.
1571
1572         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1573         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1574         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1575         * calls.c: Remove ifdefs of macros above.
1576         * functions.c: Likewise.
1577         * expr.c: Likewise.
1578
1579 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1580
1581         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1582         (arch attribute): Delete.
1583         (current_function_calls_alloca attribute): Rename into calls_alloca.
1584         (calls_eh_return): New attribute.
1585         (leaf_function): Likewise.
1586         (length attribute): Fix formula for sibcalls.
1587         (return insn): Correctly compute the 'length' attribute.
1588         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1589
1590 2004-07-08  Richard Henderson  <rth@redhat.com>
1591
1592         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1593         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1594         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1595         * tree-eh.c (lower_eh_constructs_1): Likewise.
1596         * tree-sra.c (sra_walk_modify_expr): Likewise.
1597         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1598         (eliminate_unnecessary_stmts): Likewise.
1599         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1600         * tree-tailcall.c (optimize_tail_call): Likewise.
1601         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1602
1603 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1604             Jakub Jelinek  <jakub@redhat.com>
1605
1606         * config/i386/i386.c (override_options): Enable
1607         SSE prefetches with -mtune, as long as we are
1608         compiling for i686 or higher.  All i686 processors
1609         accept SSE prefetches as NOPS, some i586's don't.
1610
1611 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1612
1613         PR target/10567
1614         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1615
1616 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1617
1618         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1619         the handling of clobbering ASM_EXPRs.
1620
1621 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1622
1623         PR target/16430
1624         * config/sparc/sparc.c (function_value): In 64-bit mode,
1625         return the aggregates larger than 16 bytes like unions.
1626
1627 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1628
1629         PR target/16199
1630         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1631         'temp' is zero, generate new pseudos as needed and emit the
1632         sequence of insns in single-assignment form.  Resync comments
1633         with code.
1634         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1635         function before reload.
1636
1637 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1638
1639         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1640
1641         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1642
1643         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1644         Allocation is signed.
1645         (VEC_reserve): Return flag, allocation is signed.
1646
1647 2004-07-08  Richard Henderson  <rth@redhat.com>
1648
1649         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1650         OBJ_TYPE_REF_OBJECT.
1651
1652 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1653             Neil Booth  <neil@daikokuya.co.uk>
1654
1655         PR c/2511
1656         PR c/3325
1657         * c-decl.c (finish_struct): Ensure bit-fields are given the
1658         correct type.
1659         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1660         the precision to match as well as the mode.
1661         * expr.c (reduce_to_bit_field_precision): New function.
1662         (expand_expr_real_1): Reduce expressions of bit-field type to
1663         proper precision.
1664         * langhooks.h (reduce_bit_field_operations): New hook.
1665         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1666         Define.
1667         * c-lang.c, objc/objc-lang.c
1668         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1669         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1670         before checking.
1671         * tree.c (build_nonstandard_integer_type): New function.
1672         * tree.h (build_nonstandard_integer_type): New prototype.
1673         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1674         conversions between integer and boolean types as useless.
1675
1676 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1677
1678         * c-common.c (c_common_nodes_and_builtins): Do not
1679         create __builtin_ptrdiff_t and __builtin_size_t.
1680
1681 2004-07-08  Andrew Pinski  <apinski@apple.com>
1682
1683         * Makefile.in (libbackend.o): Add -combine to the gcc
1684         command line.
1685
1686 2004-07-08  Nick Clifton  <nickc@redhat.com>
1687
1688         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1689         Set to -Os.
1690
1691 2004-07-08  Richard Henderson  <rth@redhat.com>
1692
1693         * except.c (expand_eh_region_start, expand_eh_region_end,
1694         expand_eh_handler, expand_eh_region_end_cleanup,
1695         expand_start_all_catch, expand_start_catch, expand_end_catch,
1696         expand_end_all_catch, expand_eh_region_end_allowed,
1697         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1698         expand_eh_region_end_fixup): Remove.
1699         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1700         cleanups, outer_cleanups, label_chain, exception_region.
1701         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1702         (struct label_chain): Remove.
1703         (struct stmt_status): Remove x_stack_block_stack.
1704         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1705         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1706         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1707         end_cleanup_deferral, last_cleanup_this_contour,
1708         containing_blocks_have_cleanups_or_stack_level,
1709         any_pending_cleanups): Remove.
1710         (expand_null_return_1): Take no arguments.
1711         (expand_label, expand_naked_return, expand_return,
1712         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1713         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1714         expand_end_case_type): Don't use any of them.
1715         * calls.c (expand_call): Likewise.
1716         * dojump.c (do_jump): Likewise.
1717         * function.c (expand_function_end): Likewise.
1718         * expr.c (store_expr, expand_expr_real_1): Likewise.
1719         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1720         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1721         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1722         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1723         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1724         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1725         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1726         for WITH_CLEANUP_EXPR.
1727         (gimple_push_cleanup): Likewise.
1728         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1729         * print-tree.c (print_node): Likewise.
1730         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1731         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1732         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1733         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1734         (GOTO_SUBROUTINE_EXPR): Remove.
1735         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1736         (DECL_TOO_LATE): Remove.
1737         * except.h, tree.h: Update decls.
1738
1739 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1740
1741         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1742         * passes.c (rest_of_handle_final): Handle symout.
1743         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1744         Push timevar here.
1745         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1746         flag_schedule_insns and flag_modulo_sched.
1747         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1748         collect at the end.
1749         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1750         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1751         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1752         rest_of_handle_mode_switching, rest_of_handle_jump,
1753         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1754         rest_of_handle_jump2, rest_of_handle_postreload,
1755         rest_of_handle_flow2, rest_of_clean_state,
1756         rest_of_handle_shorten_branches,
1757         rest_of_handle_prologue_epilogue,
1758         rest_of_handle_branch_target_load_optimize): New.
1759         (rest_of_compilation): Call the above.  Remove ggc_collect
1760         calls moved to rest_of_handle_*.
1761         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1762
1763         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1764         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1765         * except.h (set_nothrow_function_flags): Update comment.
1766         * function.c (current_function_nothrow): Remove.
1767         * output.h (current_function_nothrow): Remove.
1768         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1769         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1770
1771 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1772
1773         PR bootstrap/16326
1774         * reorg.c: Revert 2004-06-30 change.
1775         (find_end_label): If HAVE_epilogue and !HAVE_return,
1776         return 0 instead of creating a label at the end of the insn chain.
1777         (optimize_skip): Account for the failure mode of find_end_label.
1778         (fill_simple_delay_slots): Likewise.
1779         (fill_slots_from_thread): Likewise.
1780         (relax_delay_slots): Likewise.
1781
1782 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1783
1784         * tree-flow.h (addressable_vars): Declare.
1785         * tree-ssa-alias.c (addressable_vars): Define.
1786         (setup_pointers_and_addressables): Add addressable variables
1787         to addressable_vars.
1788         * tree-ssa-operands.c (get_stmt_operands): Move
1789         handling of ASM_EXPRs ...
1790         (get_asm_expr_operands): ... here.
1791         When the ASM_EXPR clobbers memory, also clobber addressable
1792         variables.
1793         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1794         (delete_tree_ssa): Reset addressable_vars.
1795
1796 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1797             Richard Henderson  <rth@redhat.com>
1798
1799         * varasm.c (assemble_variable): Use assemble_zeros for
1800         zero-initialized variables.
1801         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1802         for SECCAT_BSS and SECCAT_TBSS.
1803
1804 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1805
1806         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1807
1808         * expmed.c (emit_store_flag): Also special-case double-word
1809         (in-)equality comparison against -1.
1810
1811         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1812         passing arguments the containers for which are registers.
1813
1814         * calls.c (emit_library_call_value_1): Use mode of function parameter
1815         rather than that of argument since constants have none.
1816
1817 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1818
1819         Introduce H8SX support.
1820         * expr.c (expand_strcpy): Renamed and moved to...
1821         * builtins.c (expand_movstr): ... here.  Tweak.
1822         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1823         computed or has side effects.
1824         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1825         unused, or if mempcpy fails.  Adjust the return value in the
1826         latter case.  Use movstr if everything else fails.
1827         * doc/md.texi (movstr): Document.
1828         (movmemM, clrmemM): Fix explanation of memory block operands.
1829         * config/h8300/h8300.md (stpcpy): Renamed to...
1830         (movstr): ... this.  Adjust.
1831         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1832         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1833         movmem* and clrstr* to clrmem*.
1834         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1835         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1836         GENERAL_REGS, always.
1837         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1838         getting the stack pointer as addr.
1839         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1840         from general_operand_dst.
1841         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1842         variant of...
1843         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1844         instead of requiring it to match only before reload.
1845         (stpcpy_internal_normal): New, normal-mode variant of...
1846         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1847         `D' instead of requiring it to match only before reload.
1848         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1849         mode argument.
1850         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1851         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1852         h8300_get_index.
1853         * config/h8300/h8300.md (attr type): Add call.
1854         (attr can_delay): If type is call, set it no.
1855         (call, call_value): Set type to call.
1856         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1857         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1858         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1859         * tree.c (get_narrower): Don't narrow integral types into
1860         non-integral types.
1861         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1862         frame_size *before* the first use.
1863         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1864         on input.
1865         (peephole2): Don't widen instructions that push SP.  Move
1866         decrement of SP to the end of all stm-generating peepholes.
1867         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1868         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1869         and OR to set it to all ones.
1870         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1871         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1872         (call, call_value): Set can_delay to "no".
1873         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1874         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1875         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1876         * config/h8300/h8300.md (*brabit): Remove.
1877         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1878         zero_extract.  Use bit_memory_operand as the predicate for
1879         operand 1 and 'WU' as the constraint.  Check the difference
1880         between the base length and the final one when deciding which
1881         type of branch to use.
1882         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1883         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1884         Use convert_move to extend the result for TARGET_H8300SX.  Check
1885         for QImode memory references.  Optimize the case where the
1886         destination is a paradoxical subreg.
1887         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1888         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1889         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1890         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1891         * config/h8300/h8300.md: Include mova.md
1892         (length_table): Add mova and mova_zero.
1893         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1894         after all constant addresses for '%R', '%X', '%T' and '%S'.
1895         (h8300_mova_length): New function.
1896         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1897         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1898         dependencies for s-config, etc.
1899         * config/h8300/gemova.sh: New file.
1900         * config/h8300/mova.md: Generated.
1901         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1902         * config/h8300/h8300.c (h8300_bitfield_length): New.
1903         (nibble_operand): Adjust.
1904         (h8300_binary_length): Handle conditional binary op.
1905         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1906         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1907         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1908         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1909         constraints.  WU is introduced as a variant of U that requires a
1910         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1911         * config/h8300/h8300.md (attr type): Added bitbranch.
1912         (attr length_table): Added bitfield and bitbranch.
1913         (attr length): Compute bitbranch length.
1914         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1915         least-significant bit of a byte.
1916         (brabit, brabc, brabs): New.
1917         (insv, extzv): Emit bfst and bfld on H8300SX.
1918         (bfld, bfst, seq, sne): New.
1919         (bstzhireg, cmpstz, bstz, bistz): New.
1920         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1921         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1922         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1923         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1924         (h8sx_unary_memory_operator): New function.
1925         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1926         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1927         * config/h8300/h8300.md: Add peepholes to combine reloads and
1928         arithmetic insns.
1929         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1930         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1931         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1932         (and?i, ior?i, xor?i): Likewise.
1933         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1934         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1935         Various whitespace fixes.
1936         (h8300_constant_length): New function, split out from...
1937         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1938         (h8300_classify_operand): Use IN_RANGE.
1939         (h8300_classify_operand): Use h8300_constant_length.
1940         (h8300_short_move_mem_p): Tighten size check.
1941         (h8sx_mergeable_memrefs_p): Tighten equality check.
1942         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1943         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1944         for -msx.
1945         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1946         * config/h8300/crtn.asm: Likewise.
1947         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1948         if __H8300SX__ is defined.
1949         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1950         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1951         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1952         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1953         addresses as mode-dependent.
1954         * config/h8300/h8300.c (print_operand_address): Update call to
1955         h8300_get_index.
1956         (h8300_get_index): Take a mode argument.  Rework to fix an
1957         earlier misunderstanding.
1958         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1959         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1960         into a register if TARGET_H8300SX.
1961         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1962         TARGET_H8300SX.  Also disable related define_splits.
1963         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1964         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1965         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1966         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1967         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1968         (EXTRA_CONSTRAINT_STR): Check it.
1969         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1970         class arguments.
1971         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1972         * config/h8300/h8300.md (length_table): Add mov_imm4.
1973         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1974         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1975         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1976         be a label.
1977         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1978         * config/h8300/h8300.c (h8300_reorg): New function.
1979         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1980         * config/h8300/h8300.md (length): Subtract the length of the
1981         delay slot from (pc) when checking the range of forward branches.
1982         (delay_slot, can_delay): New attributes.
1983         (define_delay): Add bra/s handling.
1984         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1985         (jump): Add delayed-branch handling.
1986         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1987         * expr.c (expand_strcpy): New function.
1988         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1989         (expand_builtin_stpcpy): Likewise.
1990         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1991         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1992         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1993         handling to improve register allocation for -fno-omit-frame-pointer.
1994         (h8sx_split_movmd): Delete, moving er6 handling into...
1995         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1996         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1997         (movmd): Add calls to copy_rtx.
1998         (movmd_internal): In the second alternative, allow the initial and
1999         final destination registers to be different .  Update the splitter
2000         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2001         instead of h8sx_split_movmd.
2002         (stpcpy, movsd): New expanders.
2003         (movsd_internal): New define_insn.
2004         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2005         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2006         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2007         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2008         and DESTINATION_REGS.
2009         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2010         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2011         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2012         (h8300_move_ratio): Declare.
2013         (MOVE_RATIO): Use it.
2014         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2015         (h8300_init_once): Initialize it.
2016         (h8300_reg_class_from_letter): New function.
2017         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2018         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2019         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2020         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2021         (movstrsi, movmd): New expanders.
2022         (movmd_internal): New insn.
2023         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2024         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2025         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2026         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2027         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2028         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2029         * config/h8300/h8300.c (nibble_operand): Fix warning.
2030         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2031         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2032         (movsf_h8300h): Disable for TARGET_H8300SX.
2033         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2034         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2035         h8300_stm_parallel and h8300_return_parallel.
2036         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2037         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2038         h8300_stm_parallel, h8300_return_parallel): New functions.
2039         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2040         if TARGET_H8300SX.  Use h8300_push_pop.
2041         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2042         and final pop when generating h8sx code.  Always emit some form
2043         of return insn.
2044         * config/h8300/h8300.md: Don't enforce register alignment in
2045         stm peepholes if TARGET_H8300SX.
2046         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2047         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2048         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2049         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2050         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2051         (MULTILIB_DIRNAMES): Add a directory for it.
2052         (MULTILIB_MATCHES): Delete.
2053         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2054         * final.c (walk_alter_subreg): Handle addresses with subregs
2055         inside a ZERO_EXTEND or AND.
2056         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2057         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2058         if TARGET_H8300SX.
2059         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2060         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2061         @(dd,Rn.w) and @(dd,ERn.L).
2062         (h8300_displacement_size): Take the whole address as argument.
2063         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2064         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2065         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2066         (h8sx_mergeable_memrefs_p): Declare.
2067         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2068         (HAVE_PRE_INCREMENT): Likewise.
2069         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2070         addresses for TARGET_H8300SX,
2071         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2072         and POST_DEC.
2073         (movb_length_table, movl_length_table): New tables.
2074         (movw_length_table): Define to movb_length_table.
2075         (h8300_displacement_size): New, split out from...
2076         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2077         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2078         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2079         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2080         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2081         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2082         (h8sx_unary_shift_operator): Get the mode from the operator.
2083         (binary_shift_operator): Likewise.
2084         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2085         a memory reference, check whether the reference is offsettable.
2086         (length_table): Add movb, movw and movl.
2087         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2088         register when generating h8sx code.
2089         (movhi, movsi, movsf): Likewise.
2090         (movstrictqi): Use the length_table attribute.
2091         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2092         (addqi3): Split into a define_expand and define_insn.  Don't accept
2093         memory operands in the expander.  Use h8300_operands_match_p to
2094         check for matching operands in the define_insn.
2095         (subqi3, negqi2, one_cmplqi2): Likewise.
2096         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2097         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2098         use h8300_operands_match_p to check whether operands match.
2099         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2100         one_cmpl[hs]i3): Likewise.
2101         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2102         in the expander.
2103         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2104         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2105         (h8300_insn_length_from_table): Add a second parameter.
2106         (output_h8sx_shift): Declare.
2107         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2108         (EXTRA_CONSTRAINT): Replace with...
2109         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2110         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2111         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2112         and h8sx_binary_shift_operator.
2113         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2114         for TARGET_H8300SX.
2115         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2116         (bit_memory_operand, fix_bit_operand): Likewise.
2117         (h8300_length_table_for_insn): Remove.
2118         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2119         instructions.
2120         (h8300_short_immediate_length, h8300_binary_length): New functions.
2121         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2122         (output_plussi): Use sub to add negative constants.
2123         (compute_plussi_length): Adjust accordingly.
2124         (h8sx_single_shift_type): New enum.
2125         (h8sx_single_shift, h8sx_unary_shift_operator,
2126         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2127         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2128         single h8sx instruction.  Return false in this case.
2129         * config/h8300/h8300.md (length_table): Add short_immediate.
2130         (length): Pass the operand array to h8300_insn_length_from_table.
2131         (adjust_length): Assume "no" for insns with a length_table attribute.
2132         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2133         (*addhi3_h8300hs): Don't use for h8sx.
2134         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2135         and sub.w #xx:3.
2136         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2137         1's predicate to nonimmediate_operand.  Only skip default expansion
2138         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2139         for single h8sx shift instructions.
2140         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2141         * config/h8300/h8300.c (nibble_operand): Split out of...
2142         (reg_or_nibble_operand): ... this.
2143         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2144         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2145         umulhisi3): Introduce expand, and introduce separate insns for
2146         sign- or zero-extended REG and already-extended CONST_INT.
2147         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2148         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2149         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2150         (subhi3): Likewise.  Don't accept immediates for operand 1.
2151         Remove the early clobber from second alternative of the h8300s pattern.
2152         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2153         on plain h8300 targets.
2154         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2155         (subsi3_h8300h): Generalize for h8sx.
2156         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2157         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2158         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2159         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2160         (TARGET_H8300SXMUL): New.
2161         (CONST_OK_FOR_P): New.
2162         (CONST_OK_FOR_LETTER_P): Adjust.
2163         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2164         umulhisi3): Accept 4-bit immediate on H8SX.
2165         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2166         (udivsi3, divhi3, udivsi3, divsi3): New.
2167         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2168         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2169         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2170         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2171         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2172         Add ADDRESSOF to the bit_operand entry.
2173         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2174         (h8300_src_operand): Likewise.
2175         (bit_operand): Check nonimmediate_operand rather than general_operand.
2176         Accept any nonimmediate_operand in h8sx code.
2177         (h8300_and_costs): Initialize operands[1].
2178         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2179         (h8300_operand_class): New enum.
2180         (h8300_length_table): New typedef.
2181         (addb_length_table, addw_length_table, addl_length_table,
2182         logicl_length_table): New tables.
2183         (logicb_length_table, logicw_length_table): New macros.
2184         (h8300_classify_operand, h8300_length_from_table,
2185         h8300_length_table_for_insn, h8300_unary_length,
2186         h8300_insn_length_from_table): New functions.
2187         (output_plussi): Only use adds and subs for register destinations.
2188         Disable redundant clause.
2189         (compute_plussi_cc): Likewise.
2190         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2191         to work out the length of an insn.
2192         (output_logical_op): Only use narrower immediate instructions
2193         if the destination is a register.
2194         (compute_logical_op_cc): Likewise.
2195         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2196         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2197         * config/h8300/h8300.md (length_table): New attribute.
2198         (length): When an instruction has a length_table attribute, use
2199         h8300_insn_length_from_table to calculate its default length.
2200         (cmpqi): Use h8300_dst_operand for the first operand and
2201         h8300_src_operand for the second.
2202         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2203         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2204         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2205         iorsi3, xorhi3, xorsi3): Likewise.
2206         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2207         so that it allows any combination of operands for TARGET_H8300SX.
2208         (iorqi3, xorqi3): Likewise.
2209         (cmpqi): Use the length_table attribute.
2210         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2211         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2212         (cmpqi): Add 'Q' constraint.
2213         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2214         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2215         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2216         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2217         (TARGET_H8300S): True for both -ms and -msx.
2218         (TARGET_H8300SX): New macro.
2219         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2220         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2221         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2222         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2223         [Temporary change.]
2224         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2225         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2226         16-bit pointers and 32-bit ints.
2227         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2228         CONST_DOUBLE with mode no wider than SImode.
2229         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2230         output operand.
2231         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2232         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2233         or SUBREG thereof.
2234         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2235         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2236         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2237
2238 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2239
2240         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2241
2242 2004-07-07  Per Bothner  <per@bothner.com>
2243
2244         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2245
2246 2004-07-07  Mike Stump  <mrs@apple.com>
2247
2248         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2249         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2250         (machopic_finish): Likewise.
2251
2252 2004-07-07  Richard Henderson  <rth@redhat.com>
2253
2254         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2255         through any value-preserving cast.
2256
2257 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2258
2259         * function.c (assign_parm_find_data_types): Call
2260         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2261
2262 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2263
2264         * tree-cfg.c (group_case_labels): Remove case labels that have
2265         the same target as the default case.
2266
2267 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2268
2269         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2270         regardless of DECL_LANG_SPECIFIC being present or not.
2271         * tree.h (DECL_NUM_STMTS): Purge.
2272
2273 2004-07-07  Andrew Pinski  <apinski@apple.com>
2274
2275         * configure: Regenerate with the right autoconf.
2276
2277 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2278
2279         * ifcvt.c (total_bb_rtx_cost): New function.
2280         (find_if_case_1): Compare rtx_cost of basic block to cost of
2281         BRANCH_COST insns.
2282         (find_if_case_2): Same.
2283
2284 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2285
2286         PR target/10567
2287         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2288         (output_return): Likewise.
2289         (output_sibcall): Abort if !flag_delayed_branch.
2290         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2291         (emit_and_preserve): New function.
2292         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2293         indirect jump to the thunked-to function if !flag_delayed_branch.
2294         * config/sparc/sparc.md (delayed_branch): New attribute.
2295         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2296         attribute to compute the length of the insn.
2297         (goto_handler_and_restore): Likewise.
2298
2299 2004-07-07  Andrew Pinski  <apinski@apple.com>
2300
2301         PR tree-optimization/15777
2302         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2303
2304         * expr.c (expand_expr_real_1): Fix formating.
2305         BUFFER_REF and IN_EXPR are dead.
2306         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2307         * tree-inline.c (estimate_num_insns_1): Likewise.
2308         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2309         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2310         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2311
2312 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2313
2314         * collect2.c (dump_file): Don't call cplus_demangle if
2315         HAVE_LD_DEMANGLE is defined.
2316         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2317         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2318         if HAVE_LD_DEMANGLE is defined.
2319
2320         * configure.ac (--with-demangler-in-ld): Added
2321         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2322         --with-demangler-in-ld is used.
2323         * config.in: Regenerated.
2324         * configure: Likewise.
2325
2326 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2327
2328         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2329         for simple floating point operations "fp", double precision
2330         multiplication "dmul", and single and double precision division
2331         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2332         (ppc630_cost): New table split from ppc620_cost, to distinguish
2333         differences in floating point latencies.
2334         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2335         (rs6000_rtx_costs): Add support for single and double precision
2336         floating point addition, subtraction, multiplication, division,
2337         fused-multiply-add, fused-multiply-sub, negation, absolute value
2338         and negative absolute value.  Tweak MEM case to use prefered idiom.
2339
2340 2004-07-07  Richard Henderson  <rth@redhat.com>
2341
2342         * tree-flow-inline.h (may_propagate_copy): Move...
2343         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2344         attempt to copy between types requiring conversion.
2345         * tree-flow.h (may_propagate_copy): Update decl.
2346         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2347
2348 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2349
2350         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2351         from -mtune= option.
2352
2353 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2354
2355         * builtins.c: Rename movstr*, except for movstrict*, to
2356         movmem* and clrstr* to clrmem*.
2357         * expr.c: Likewise.
2358         * expr.h: Likewise.
2359         * genopinit.c: Likewise.
2360         * integrate.c: Likewise.
2361         * local-alloc.c: Likewise.
2362         * optabs.c: Likewise.
2363         * optabs.h: Likewise.
2364         * config/alpha/alpha.h: Likewise.
2365         * config/alpha/alpha.md: Likewise.
2366         * config/arm/arm-protos.h: Likewise.
2367         * config/arm/arm.c: Likewise.
2368         * config/arm/arm.md: Likewise.
2369         * config/avr/avr.md: Likewise.
2370         * config/c4x/c4x.c: Likewise.
2371         * config/c4x/c4x.md: Likewise.
2372         * config/frv/frv.md: Likewise.
2373         * config/i386/i386-protos.h: Likewise.
2374         * config/i386/i386.c: Likewise.
2375         * config/i386/i386.h: Likewise.
2376         * config/i386/i386.md: Likewise.
2377         * config/i860/i860.c: Likewise.
2378         * config/i860/i860.md: Likewise.
2379         * config/ip2k/ip2k.md: Likewise.
2380         * config/ip2k/libgcc.S: Likewise.
2381         * config/ip2k/t-ip2k: Likewise.
2382         * config/m32r/m32r.c: Likewise.
2383         * config/m32r/m32r.md: Likewise.
2384         * config/mcore/mcore.md: Likewise.
2385         * config/mips/mips.c: Likewise.
2386         * config/mips/mips.md: Likewise.
2387         * config/ns32k/ns32k.c: Likewise.
2388         * config/ns32k/ns32k.h: Likewise.
2389         * config/ns32k/ns32k.md: Likewise.
2390         * config/pa/pa.c: Likewise.
2391         * config/pa/pa.md: Likewise.
2392         * config/pdp11/pdp11.h: Likewise.
2393         * config/pdp11/pdp11.md: Likewise.
2394         * config/rs6000/rs6000.c: Likewise.
2395         * config/rs6000/rs6000.md: Likewise.
2396         * config/s390/s390-protos.h: Likewise.
2397         * config/s390/s390.c: Likewise.
2398         * config/s390/s390.md: Likewise.
2399         * config/sh/lib1funcs.asm: Likewise.
2400         * config/sh/sh.c: Likewise.
2401         * config/sh/sh.md: Likewise.
2402         * config/sh/t-sh: Likewise.
2403         * config/sparc/sparc.h: Likewise.
2404         * config/vax/vax.md: Likewise.
2405         * config/xtensa/xtensa.c: Likewise.
2406         * config/xtensa/xtensa.md: Likewise.
2407         * doc/invoke.texi: Likewise.
2408         * doc/md.texi: Likewise.
2409         * doc/rtl.texi: Likewise.
2410
2411 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2412
2413         PR target/16407
2414         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2415         * config/mips/mips.c (mips_declare_common_object): New function,
2416         mostly split out from...
2417         (mips_output_aligned_decl_common): ...here.
2418         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2419         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2420         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2421         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2422
2423 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2424
2425         PR c/16392
2426         * function.c (assign_parms): Fix typo from previous change.
2427
2428 2004-07-07  Jason Merrill  <jason@redhat.com>
2429
2430         PR c++/15815
2431         * doc/extend.texi (C++ Interface): Correct information and
2432         discourage use.
2433
2434 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2435
2436         PR target/16130
2437         PR target/16142
2438         PR target/16143
2439         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2440         insn.
2441
2442 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2443
2444         PR target/1679.
2445         * config/m32r/m32r.c (m32r_function_symbol): New function:
2446         Generate a symbol name RTX with the correct m32r specific flags
2447         set.
2448         (block_move_call): Use new function to generate correct symbol.
2449         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2450         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2451         function.
2452
2453 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2454
2455         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2456         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2457         TYPE_BINFO_BASETYPE): Remove.
2458         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2459         to ...
2460         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2461         here.
2462         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2463         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2464         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2465         (struct tree_binfo): Rename base_types to base_binfos.
2466         * alias.c (record_component_aliases): Adjust BINFO macros.
2467         * dbxout.c (dbxout_type): Likewise.
2468         * dwarf2out.c (gen_member_die): Likewise.
2469         * sdbout.c (sdbout_one_type): Likewise.
2470         * tree-dump.c (deque_and_dump): Likewise.
2471         * config/i386/i386.c (classify_argument,
2472         contains_128bit_aligned_vector_p): Likewise.
2473
2474 2004-07-07  Nick Clifton  <nickc@redhat.com>
2475
2476         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2477         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2478
2479 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2480
2481         * vec.h: Fix the example use.
2482
2483 2004-07-06  Richard Henderson  <rth@redhat.com>
2484
2485         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2486         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2487         * tree-inline.c (copy_body_r, setup_one_parameter,
2488         initialize_inlined_parameters, expand_call_inline,
2489         declare_inline_vars): Don't check it.
2490         (expand_calls_inline): Remove old version, rename new version
2491         from gimple_expand_calls_inline.
2492         * tree-optimize.c (execute_gimple): Remove.
2493         (pass_gimple): Don't run anything.
2494
2495 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2496
2497         * doc/sourcebuild.texi: Use semicolons instead of commas in
2498         section title.
2499
2500 2004-07-06  Richard Henderson  <rth@redhat.com>
2501
2502         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2503         (sra_walk_modify_expr, scan_init): Likewise.
2504         (generate_element_zero): Check visited before scanning children.
2505         (generate_element_init): Set visited on error.
2506         (scalarize_init): Handle generate_element_init failure similar
2507         to use_block_copy.
2508
2509 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2510
2511         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2512         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2513
2514 2004-07-06  Richard Henderson  <rth@redhat.com>
2515
2516         * config/i386/i386.c (legitimize_pic_address): Make static.
2517         (legitimize_address): Handle CONST with TLS operand.
2518         (ix86_expand_move): Don't call legitimize_pic_address directly.
2519         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2520
2521 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2522
2523         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2524         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2525         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2526         is currently executed unconditionally, i.e. not in "else_bb".
2527
2528 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2529
2530         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2531         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2532         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2533         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2534         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2535         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2536         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2537         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2538         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2539         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2540         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2541         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2542         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2543         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2544         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2545         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2546
2547 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2548
2549         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2550         * expr.c (expand_expr_real_1): Ditto.
2551         * tree-inline.c (estimate_num_insns_1): Ditto.
2552         * tree-pretty-print.c (dump_generic_node): Ditto.
2553         (op_symbol): Ditto.
2554         * tree.def: Ditto.
2555
2556 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2557
2558         * tree-ssa-pre.c (reference_node_pool): New pool.
2559         (find_or_generate_expression): Class 'r' is okay too.
2560         (create_value_expr_from): Ditto.
2561         (add_to_sets): LHS should not include vuses.
2562         (eliminate): Ditto.
2563         (compute_avail): Reverse ordering of tests.
2564         Valuize INDIRECT_REF as well.
2565
2566 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2567
2568         PR rtl-optimization/16380
2569         * loop.c (check_dbra_loop): Sink comparison instructions if they
2570         do something other than set cc0.
2571
2572 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2573
2574         * doc/interface.texi (longjmp and automatic variables): Delete
2575         paragraph recommending taking the address of a variable.
2576
2577 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2578
2579         * vec.h (VEC_embedded_alloc): Remove.
2580         (VEC_embedded_size, VEC_embedded_init): New.
2581         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2582         MEM_STAT_INFO.
2583         (VEC_truncate): New.
2584         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2585         (vec_embedded_alloc): Remove.
2586         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2587         (vec_embedded_alloc): Remove.
2588
2589 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2590
2591         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2592         (gt-langhooks.h): Remove.
2593
2594 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2595
2596         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2597
2598 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2599
2600         * config/sparc/sparc.c (get_pc_symbol): Rename into
2601         add_pc_to_pic_symbol.
2602         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2603         (load_pic_register): Account for previous changes.
2604         Use reg_names.  Don't create the label twice.
2605         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2606         UNSPEC_LOAD_PCREL_SYM.
2607         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2608         operands.  Remove condition.
2609
2610 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2611
2612         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2613         RECORD, UNION & QUAL_UNION is actually a binfo.
2614
2615         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2616         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2617         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2618         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2619         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2620         (gen_inheritance_die): Likewise.
2621         * tree-dump.c (deque_and_dump): Likewise.
2622         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2623
2624 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2625
2626         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2627         Define.
2628         * config/mcore/mcore.md: Model memory latency with a simple DFA
2629         pipeline description instead of a define_function_unit.
2630
2631 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2632
2633         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2634         * langhooks.h (var_mod_type_p): Likewise.
2635         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2636         * expr.c (count_type_elements): Properly handle return from
2637         array_type_nelts and properly test for overflow.
2638         * gimplify.c (gimplify_init_constructor): Properly handle return
2639         from array_type_nelts.
2640         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2641         * integrate.c (copy_decl_for_inlining): Correct comments.
2642         * tree-inline.c (remap_decl): Update comments, remove dead code,
2643         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2644         (remap_type): Only remap if variably modified by vars in function
2645         being inlined.
2646         (copy_body_r): Use compatible_type langhooks to see when can fold.
2647         (setup_one_parameter): Don't remap type.
2648         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2649         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2650         compute TREE_INVARIANT for decl case.
2651         (find_var_from_fn): New function.
2652         (variably_modified_type_p): Add arg and call new function.
2653         * tree.h (variably_modified_type_p): Add extra arg.
2654
2655 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2656
2657         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2658         (goto_handler_and_restore_v9): Delete disabled insn.
2659         (goto_handler_and_restore_v9_sp64): Likewise.
2660
2661 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2662
2663         * calls.c (load_register_parameters): Call expand_shift instead
2664         of expand_binop with ashl_optab (or other shift optab) directly.
2665         * expr.c (emit_group_load, emit_group_store): Likewise.
2666         * function.c (assign_parm_setup_block): Likewise.
2667         * stmt.c (shift_return_value): Likewise.
2668
2669 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2670
2671         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2672
2673 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2674
2675         * doc/sourcebuild.texi: Revert previous patch.
2676
2677 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2678
2679         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2680         TARGET_MEM_FUNCTIONS.
2681         * system.h: Poison TARGET_MEM_FUNCTIONS.
2682         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2683         bcmp_libfunc, bzero_libfunc): Remove.
2684         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2685         bzero_libfunc.
2686         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2687         * doc/standards.texi: Don't mention calling BSD string functions.
2688         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2689         * config/vax/t-memfuncs: New.
2690         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2691         config/memset.c: New.
2692         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2693         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2694         vax/t-memfuncs.
2695         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2696         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2697         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2698         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2699         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2700         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2701         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2702         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2703         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2704         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2705
2706 2004-07-05  Richard Henderson  <rth@redhat.com>
2707
2708         * function.c (assign_parm_setup_reg): Properly rename variables in
2709         FUNCTION_ARG_CALLEE_COPIES section.
2710
2711 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2712
2713         * tree-mudflap.c: Include cgraph.h.
2714         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2715         Rewrite to create synthetic declarations instead of looking
2716         up declarations from mf-runtime.h.
2717         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2718         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2719         Correct commentary.
2720         (execute_mudflap_function_decls, mudflap_register_call):
2721         Don't call mf_init_extern_trees.
2722         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2723
2724         * tree-mudflap.h: Update prototypes.
2725         * c-mudflap.c: Delete file.
2726         * c-common.c: Include tree-mudflap.h.
2727         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2728         * Makefile.in: Remove all references to c-mudflap.o.
2729         Update dependencies.
2730
2731 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2732
2733         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2734         displacements with the spatial-locality cache-control completer.
2735
2736 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2737
2738         * langhooks.c: Don't include gt-langhooks.h.
2739         (var_labelno): Delete.
2740         (lhd_set_decl_assembler_name): Do not append a distinguishing
2741         number to file-scope internal-linkage declarations for the first
2742         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2743         the declaration itself (if at block scope), or its containing
2744         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2745         number.
2746
2747         * opts.c (cur_in_fname): New global.
2748         * opts.h: Declare it.
2749         * tree.c: Include opts.h.
2750         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2751         DECL_UID equal to cur_in_fname.
2752         (copy_node_stat): Do not change DECL_UID when copying a
2753         TRANSLATION_UNIT_DECL.
2754         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2755         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2756
2757         * c-decl.c (c_static_assembler_name): Delete.
2758         * c-tree.h (c_static_assembler_name): Delete prototype.
2759         * c-lang.c, objc/objc-lang.c: Don't override
2760         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2761
2762         * Makefile.in (tree.o): Update dependencies.
2763         (GTFILES): Remove langhooks.c.
2764
2765 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2766
2767         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2768         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2769         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2770         Optimize "X % -Y" as "X % Y" for signed modulus.
2771         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2772         into "((unsigned) X % Y) == 0".
2773
2774 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2775
2776         * sourcebuild.texi (Config Fragments): Use @comma{} in
2777         cross-reference to section title.
2778
2779 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2780
2781         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2782         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2783         (gimplify_target_expr, gimplify_expr): Likewise.
2784         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2785         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2786         whole function.
2787         (gimplify_compound_lval): See if we can strip any useless conversion.
2788         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2789         from RHS, not LHS.
2790         (gimplify_modify_expr_to_memset): Likewise.
2791         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2792         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2793         (declare_inline_vars): Likewise.
2794         (walk_type_fields): New function.
2795         (walk_tree): Use it.
2796         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2797
2798         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2799         (sra_walk_modify_expr): Allow init function to fail.
2800         (scan_init): Now returns bool.
2801         (generate_element_init): If can't understand INIT, return false.
2802         (scalarize_init): Return false if generate_element_init does.
2803
2804         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2805         print bounds.
2806
2807         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2808         bounds if bounds aren't constant.
2809
2810         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2811
2812         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2813         to type hooks; remove bogus PARAMS.
2814
2815 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2816
2817         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2818         * dwarf2out.c (add_data_member_location_attribute): Check for
2819         TREE_BINFO.
2820         * tree.c (tree_node_kinds): Add "binfos".
2821         (binfo_lang_slots): New.
2822         (make_node_stat): Add TREE_BINFO.
2823         (make_tree_binfo_stat): New.
2824         (tree_node_structure): Add TREE_BINFO.
2825         * tree.def (TREE_BINFO): New.
2826         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2827         (RECORD_OR_UNION_CHECK): ... here.
2828         (NOT_RECORD_OR_UNION_CHECK): New.
2829         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2830         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2831         RECORD_OR_UNION_CHECK.
2832         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2833         (TYPE_LANG_SLOT_1): New.
2834         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2835         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2836         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2837         (BINFO_ELTS): Remove.
2838         (BINFO_LANG_SLOT): New.
2839         (struct tree_binfo): New.
2840         (binfo_lang_slots): Declare.
2841         (enum tree_node_structure_enum): Add TS_BINFO.
2842         (union tree_node): Add binfo.
2843         (make_tree_binfo_stat): Declare.
2844         (make_tree_binfo): New.
2845         (enum tree_node_kind): Add binfo_kind.
2846
2847         * objc/objc-act.c (start_class, objc_declare_protocols,
2848         start_protocols): Use TYPE_LANG_SLOT_1.
2849         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2850         to ...
2851         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2852         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2853         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2854         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2855
2856 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2857
2858         * rtl.h (struct rtx_def): Remove the integrated flag.
2859         Use the return_val flag for MEM_SCALAR_P.
2860         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2861
2862 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2863
2864         PR target/16357
2865         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2866         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2867         move_by_pieces.
2868
2869 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2870
2871         * var-tracking.c: Fix some comments.
2872         (frame_stack_adjust): New.
2873         (vt_stack_adjustments): Init stack_adjust of entry block to
2874         minus stack adjustment of function prologue.
2875         (adjust_stack_reference): Do not adjust if adjustment == 0.
2876         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2877         (emit_notes_in_bb): Likewise.
2878         (vt_add_function_parameters): Do not adjust locations of
2879         function arguments.
2880         (vt_initialize): Compute the stack adjustment of function
2881         prologue and offset the initial "location" of frame_base_decl
2882         from the stack pointer after prologue.
2883
2884 2004-07-04  Richard Henderson  <rth@redhat.com>
2885
2886         * function.c (struct assign_parm_data_all): New.
2887         (struct assign_parm_data_one): New.
2888         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2889         assign_parm_find_data_types, assign_parms_setup_varargs,
2890         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2891         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2892         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2893         assign_parm_setup_block, assign_parm_setup_reg,
2894         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2895         (assign_parms): ... here.
2896
2897 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2898
2899         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2900         now are bitmap_set_t's.
2901         (bitmap_insert_into_set): No point in inserting the value if
2902         it's invariant.
2903         (bitmap_set_contains): New function.
2904         (bitmap_set_replace_value): Add comment on why we do it
2905         this way.
2906         (set_contains): Removed.
2907         (bitmap_set_subtract_from_value_set): New name of
2908         set_subtract now that it's arguments are two different
2909         types of sets.
2910         Update callers.
2911         (bitmap_find_leader): Change algorithm used.
2912         (find_or_generate_expression): Update use of functions for new
2913         bitmap sets.
2914         (create_expression_by_pieces): Ditto.
2915         (insert_aux): Ditto.
2916         (insert): Ditto.
2917         (add_to_sets): Ditto.
2918         (init_pre): Ditto.
2919         (execute_pre): Ditto.
2920         (compute_avail): Ditto.
2921         Also ignore virtual phis.
2922
2923 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2924
2925         * combine.c (simplify_comparison): Fix comment typo.
2926
2927 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2928
2929         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2930         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2931         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2932         (output_restore): Change parameter from 'insn' to 'pat'.
2933         (output_return): Adjust call to output_restore.
2934         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2935         Adjust call to output_restore.
2936
2937 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2938
2939         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2940         and assert system is bsd.
2941
2942 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2943
2944         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2945         (TARGET_SWITCHES): Remove -mdebugc.
2946         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2947         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2948         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2949         (sle_[sd]i_reg): Delete.
2950
2951 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2952
2953         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2954         Define.
2955         * config/iq2000/iq2000.md: Translate old pipeline description to an
2956         equivalent new one.
2957
2958 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2959
2960         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2961         Ensure the replacement rhs is valid gimple before performing
2962         the substitution.  Return false if these sanity checks fail.
2963         (fold_stmt): Only set changed to true, if set_rhs returns true.
2964         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2965         succeeds.
2966
2967 2004-07-04  Richard Henderson  <rth@redhat.com>
2968
2969         PR c/16348
2970         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2971
2972 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2973
2974         * configure.ac (ranlib_flags): New variable.
2975         * Makefile.in (RANLIB_FLAGS): New variable.
2976         (libbackend.a): Use it.
2977         * configure: Regenerated.
2978
2979 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2980
2981         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2982         a "sign mask" instead of using ashr_optab directly.
2983
2984 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2985
2986         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2987         * doc/cppopts.texi: Clarify processing of command-line defines.
2988
2989 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2990
2991         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2992
2993 2004-07-04  Richard Henderson  <rth@redhat.com>
2994
2995         * rtl.def (ADDRESSOF): Remove.
2996         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2997         (find_base_term, memrefs_conflict_p): Likewise.
2998         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2999         (fold_rtx, cse_insn, set_live_p): Likewise.
3000         * dwarf2out.c (mem_loc_descriptor): Likewise.
3001         (add_location_or_const_value_attribute): Likewise.
3002         * emit-rtl.c (copy_insn_1): Likewise.
3003         * explow.c (memory_address): Likewise.
3004         * expmed.c (store_split_bit_field): Likewise.
3005         * expr.c (expand_expr_real_1): Likewise.
3006         * function.c (instantiate_decl
3007         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3008         * genrecog.c (preds, validate_pattern): Likewise.
3009         * integrate.c (copy_rtx_and_substitute): Likewise.
3010         * recog.c (general_operand, register_operand): Likewise.
3011         (memory_address_p): Likwise.
3012         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3013         * rtl.c (copy_rtx): Likewise.
3014         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3015         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3016         * rtlhooks.c (gen_lowpart_general): Likewise.
3017         * stmt.c (expand_asm_operands): Likewise.
3018         * web.c (entry_register, replace_ref, web_main): Likewise.
3019         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3020         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3021         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3022         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3023         * config/frv/frv.c (move_destination_operand, move_source_operand,
3024         condexec_dest_operand, condexec_source_operand,
3025         condexec_memory_operand): Likewise.
3026         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3027         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3028         (destination_xfmode_operand): Likewise.
3029         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3030         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3031         * config/s390/s390.c (general_s_operand): Likewise.
3032         * config/s390/s390.md (mov*): Likewise.
3033         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3034
3035         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3036         * expr.c (expand_expr_real_1): Likewise.
3037         * stmt.c (expand_decl): Likewise.
3038         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3039
3040         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3041         postponed_insns, put_var_into_stack, put_reg_into_stack,
3042         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3043         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3044         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3045         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3046         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3047         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3048         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3049         struct insns_for_mem_walk_info, insns_for_mem_walk,
3050         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3051         setjmp_protect_args): Remove.
3052         (push_function_context_to): Don't handle var_refs_queue.
3053         (pop_function_context_from, free_after_compilation): Likewise.
3054         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3055         (assign_parms, allocate_struct_function): Likewise.
3056         (use_register_for_decl): New.
3057         (expand_function_end): Don't setjmp_protect.
3058         * function.h (struct emit_status): Update commentary.
3059         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3060         (max_parm_reg, parm_reg_stack_loc): Remove.
3061         * passes.c (DFI_addressof): Remove.
3062         (dump_file_info): Remove addressof.
3063         (rest_of_handle_addressof): Remove.
3064         (rest_of_compilation): Don't call it.
3065         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3066         * stmt.c (expand_decl): Use use_register_for_decl.
3067         * tree.h: Update decls.
3068         * web.c (mark_addressof): Remove.
3069         * doc/invoke.texi (-dF): Remove.
3070
3071 2004-07-03  Richard Henderson  <rth@redhat.com>
3072
3073         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3074         instead of gen_mem_addressof.
3075         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3076         TImode output register.
3077
3078 2004-07-03  Richard Henderson  <rth@redhat.com>
3079
3080         PR tree-optimization/16341
3081         * tree-sra.c (sra_walk_function): Increment to next stmt before
3082         processing the current stmt.
3083         (sra_insert_after): Always use BSI_SAME_STMT.
3084
3085 2004-07-03  Richard Henderson  <rth@redhat.com>
3086
3087         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3088         fp plus with minus.
3089
3090 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3091
3092         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3093         with tree_int_cst_equal.
3094
3095 2004-07-03  Andreas Schwab  <schwab@suse.de>
3096
3097         * config/ia64/ia64.md: Define new attribute "empty".
3098         (prologue_use, nop_x, insn_group_barrier): Set it.
3099
3100         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3101         skip over "empty" insns.
3102
3103 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3104
3105         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3106         context to gimplify_body.
3107         (walk_tree): Don't walk into types twice.
3108         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3109
3110         * tree-sra.c (generate_element_init): Remove any useless conversions.
3111
3112         * gimplify.c (gimplify_conversion): Remove stripping useless
3113         conversions from here.
3114         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3115         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3116         Unshare before substituting PLACEHOLDER_EXPR.
3117         (gimplify_modify_expr_to_memset): Likewise.
3118         Pass address of TO to memset, not TO itself.
3119         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3120         time we make an expression (to match a PLACEHOLDER_EXPR).
3121
3122         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3123         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3124         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3125         * tree-ssa-dom.c (local_fold): Likewise.
3126
3127         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3128         * langhooks.h (strct lang_hooks): New field type_max_size.
3129         * function.c (assign_temp): Call it.
3130
3131 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3132
3133         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3134         * config/sh/sh.md: Convert the SH1 pipeline description to
3135         a DFA model.
3136
3137 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3138
3139         * c-decl.c (struct c_binding): Remove contour field; add
3140         depth, invisible, nested fields.
3141         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3142         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3143         (bind): Add invisible and nested arguments. Initialize
3144         new fields of struct c_binding; adjust loop scanning for
3145         insertion point.
3146         (free_binding_and_advance): Clear structure with memset.
3147         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3148         in file scope, even if it's in external scope too.
3149         (pushdecl): Adjust to match.  Create invisible file-scope
3150         declarations for block-scope forward declarations of static functions.
3151         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3152         (undeclared_variable, lookup_label, declare_label, define_label)
3153         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3154         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3155         (store_parm_decls_oldstyle): Adjust to match.
3156         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3157         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3158
3159         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3160         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3161
3162 2004-07-02  Richard Henderson  <rth@redhat.com>
3163
3164         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3165         around variable_size.
3166         (set_decl_nonlocal): Remove.
3167         (store_parm_decls): Add stmts for pending sizes.
3168         * calls.c (calls_function, calls_function_1): Remove.
3169         (precompute_arguments): Don't call it.
3170         * cfgexpand.c (set_save_expr_context): Remove.
3171         (tree_expand_cfg): Don't call it.
3172         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3173         (dwarf2out_finish): Likewise.
3174         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3175         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3176         (safe_from_p): Don't queue SAVE_EXPRs.
3177         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3178         or build plain VAR_DECLs.
3179         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3180         (fold): Likewise.
3181         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3182         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3183         (put_var_into_stack): Don't handle SAVE_EXPR.
3184         (gen_mem_addressof): Likewise.
3185         * function.h (struct function): Remove x_save_expr_regs.
3186         (save_expr_regs): Remove.
3187         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3188         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3189         * stor-layout.c (variable_size): Don't set it.
3190         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3191         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3192         all callers.  Don't set SAVE_EXPR_CONTEXT.
3193         * tree-inline.h (remap_save_expr): Update decl.
3194         * tree.c (save_expr): Update build size.
3195         (first_rtl_op): Don't handle SAVE_EXPR.
3196         (unsave_expr_1, contains_placeholder_p): Likewise.
3197         (decl_function_context): Likewise.
3198         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3199         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3200         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3201
3202 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3203
3204         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3205         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3206         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3207         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3208         some first-person references and patronizing comments.  Based on
3209         printed manual.
3210         * doc/invoke.texi: Don't reference fortran@gnu.org.
3211         * doc/trouble.texi (Warning when a non-void function value is
3212         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3213
3214 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3215
3216         * tree-ssa-pre.c (bitmap_set_t): New.
3217         (bb_value_sets): avail_out is now a bitmap_set_t.
3218         (bitmap_find_leader): New function.
3219         (bitmap_value_insert_into_set): Ditto.
3220         (bitmap_set_copy): Ditto.
3221         (bitmap_value_replace_in_set): Ditto.
3222         (bitmap_set_contains_value): Ditto.
3223         (bitmap_set_new): Ditto.
3224         (bitmap_set_pool): New pool.
3225         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3226         (insert_aux): Ditto.
3227         (add_to_sets): Ditto.
3228         (compute_avail): Ditto
3229         (eliminate): Ditto.
3230         (init_pre): Ditto.
3231         (fini_pre): Ditto.
3232         (execute_pre): Ditto.
3233
3234 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3235
3236         * config/rs6000/rs6000.c (struct processor_costs): New structure
3237         used to hold instruction latencies/sizes for processor types.
3238         (rs6000_cost): New global variable pointing to current CPU's costs.
3239         (rs6000_override_options): Initialize rs6000_cost to point to the
3240         appropriate cost table based upon rs6000_cpu and optimize_size.
3241         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3242         timings inline.
3243
3244 2004-07-02  Richard Henderson  <rth@redhat.com>
3245
3246         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3247
3248 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3249
3250         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3251
3252 2004-07-01  Richard Henderson  <rth@redhat.com>
3253
3254         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3255         (alpha_gp_save_rtx): Use assign_stack_local instead of
3256         gen_mem_addressof.
3257
3258 2004-07-01  Richard Henderson  <rth@redhat.com>
3259
3260         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3261         (alpha_rtx_cost_data): Update to match.
3262         (alpha_rtx_cost_size): New.
3263         (alpha_rtx_costs): Honor optimize_size.
3264
3265 2004-07-01  Richard Henderson  <rth@redhat.com>
3266
3267         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3268         * cfgexpand.c (tree_expand_cfg): Do it here.
3269         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3270         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3271         * config/mips/mips.c (mips_output_mi_thunk): And here.
3272         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3273         * config/sh/sh.c (sh_output_mi_thunk): And here.
3274         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3275
3276 2004-07-01  Richard Henderson  <rth@redhat.com>
3277
3278         * tree.def (RTL_EXPR): Remove.
3279         * c-typeck.c (lvalue_p): Don't handle it.
3280         * expr.c (safe_from_p): Likewise.
3281         (expand_expr_real_1): Likewise.
3282         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3283         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3284         * gengtype.c (adjust_field_tree_exp): Likewise.
3285         * stmt.c (warn_if_unused_value): Likewise.
3286         * tree-gimple.c (recalculate_side_effects): Likewise.
3287         * tree-pretty-print.c (dump_generic_node): Likewise.
3288         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3289         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3290         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3291
3292         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3293         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3294         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3295         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3296         all the bits that tracked last_expr.
3297         (expand_end_bindings): Don't track last_expr.
3298         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3299         (clear_last_expr): Remove.
3300         (expand_asm): Don't call it.
3301         (expand_asm_operands, expand_end_cond): Likewise.
3302         (expand_naked_return, expand_null_return_1): Likewise.
3303         * c-typeck.c (c_begin_compound_stmt): Likewise.
3304         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3305         * expr.c (expand_expr_real_1): Likewise.
3306         * tree.h: Update prototypes.
3307
3308         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3309         (struct emit_status): Remove sequence_rtl_expr.
3310         (struct function): Remove x_rtl_expr_chain.
3311         (seq_rtl_expr, rtl_expr_chain): Remove.
3312         * function.c (struct temp_slot): Remove rtl_expr.
3313         (assign_stack_temp_for_type): Don't set it.
3314         (free_temp_slots, pop_temp_slots): Don't check it.
3315         (free_after_compilation): Don't clear x_rtl_expr_chain.
3316         (fixup_var_refs): Don't search it.
3317         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3318         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3319         or seq_rtl_expr.
3320         (push_topmost_sequence): Likewise.
3321         (end_sequence, init_emit): Likewise.
3322         (start_sequence_for_rtl_expr): Remove.
3323         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3324         * rtl.h (preserve_rtl_expr_result): Remove.
3325
3326 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3327
3328         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3329         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3330         typos.
3331
3332 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3333
3334         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3335         (STANDARD_STARTFILE_PREFIX_2): Define.
3336         (standard_startfile_prefix_1): Initialize to
3337         STANDARD_STARTFILE_PREFIX_1.
3338         (standard_startfile_prefix_2): Initialize to
3339         STANDARD_STARTFILE_PREFIX_2.
3340         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3341         (STANDARD_STARTFILE_PREFIX_1): Define.
3342         (STANDARD_STARTFILE_PREFIX_2): Define.
3343         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3344         (STANDARD_STARTFILE_PREFIX_2): Document.
3345
3346 2004-07-01  Richard Henderson  <rth@redhat.com>
3347
3348         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3349         in order to disable scalarization.  Instead set a flag and wai