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