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