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