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* tree.h (force_fit_type): Return a tree, take three flags.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
2
3         * tree.h (force_fit_type): Return a tree, take three flags.
4         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5         TREE_CONSTANT_OVERFLOW here.
6         (int_const_binop, const_binop): Adjust.
7         (size_int_type): Do sign extension here.
8         (fold_convert_const, optimize_bit_field_compare,
9         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
10         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
11         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
12
13 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14
15         PR tree-optimization/16864
16         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
17         for ssa names without default_def.
18
19 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
20
21         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
22         frame pointer, restore eax with an ebp-relative address.
23
24 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
25
26         PR 14516
27         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
28         * c-common.h (make_rtl_for_local_static): Delete.
29         * c-decl.c (shadow_tag_warned): Clean up comment.
30         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
31         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
32         * c-semantics.c (make_rtl_for_local_static): Delete.
33         * expr.c (init_block_move_fn): Use set_user_assembler_name.
34         (init_block_clear_fn): Likewise.
35         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
36         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
37         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
38         * tree.h (make_decl_rtl): Remove second parameter.
39         (set_user_assembler_name): New.
40         * varasm.c (set_user_assembler_name): New.
41         (make_decl_rtl): Remove second parameter.  Update callers in many
42         files.
43
44 2004-08-05  Adam Nemet  <anemet@lnxw.com>
45
46         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
47         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
48         to LynxOS 4.0.
49         * gthr-lynx.h: New file.
50         * config/lynx-ng.h: Remove file.
51         * config/lynx.h: Update to LynxOS 4.0.
52         * config/t-lynx: New file.
53         * config/i386/lynx-ng.h: Remove file.
54         * config/i386/lynx.h: Update to LynxOS 4.0.
55         * config/rs6000/lynxbase.h: Remove file.
56         * config/rs6000/lynx.h: Update to LynxOS 4.0.
57         * config/rs6000/t-lynx: New file.
58         * doc/install.texi (Options specification): Remove reference to
59         LynxOS from systems where --with-gnu-as makes a difference.
60
61 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
62
63         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
64         __UINTMAX_TYPE__.
65         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
66         __INTMAX_MAX__.
67         (c_cpp_builtins): Call it.
68         * doc/cpp.texi: Update.
69
70 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
71
72         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
73         cost.
74
75 2004-08-04  Jan Hubicka  <jh@suse.cz>
76
77         * basic-block.h (profile_staus): New global variable.
78         * cfg.c (profile_status): Declare.
79         (check_bb_profile): Break out from ....; use profile_status
80         (dump_flow_info): ... here.
81         * cfgbuild.c (find_basic_blocks): Set profile_status.
82         * cfgexpand.c (tree_expand_cfg): Likewise.
83         * predict.c (estimate_probability): Likewise.
84         * profile.c (branch_prob): Likewise.
85         * tree-cfg.c (build_tree_cfg): Likewise.
86         (dump_function_to_file): Use check_bb_profile.
87         * tree-pretty-print (dump_bb_header): Likewise.
88         * tree-profile.c (do_tree_profiling): Cleanup.
89
90 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
91
92         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
93         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
94         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
95         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
96         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
97         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
98         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
99         (ggc-none.o, errors.o): Move rule to generators section;
100         correct dependencies.
101         (min-insn-modes.o): Move rule to generators section; remove
102         unnecessary explicit command; correct dependencies.
103         (print-rtl.o, print-rtl1.o): Correct dependencies.
104         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
105         (mostlyclean): Update.
106
107         * errors.c: Include bconfig.h not config.h.  Correct comment.
108         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
109         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
110         * print-rtl.c: Don't include tm_p.h.
111
112         * rtl.h: Move forward-decl of struct function down where it's
113         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
114         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
115
116 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
117             Jeff Law  <law@redhat.com>
118
119         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
120         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
121         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
122         manipulate the duplicated ssa names.
123         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
124         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
125         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
126         New functions.
127         (release_ssa_name): Do not release ssa names that may have multiple
128         definitions.
129         * tree.h (release_ssa_name_force, mark_for_rewrite,
130         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
131         marked_ssa_names): Declare.
132         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
133         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
134         Update call to rewrite_ssa_into_ssa.
135
136 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
137
138         * defaults.h (TARGET_DECLSPEC): New macro.
139         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
140         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
141         * config/arm/symbian. (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
142         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
143         __declspec support.
144         (TARGET_DECLSPEC): Define.
145         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
146         __declspec support.
147         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
148         __declspec support.
149         (TARGET_DECLSPEC): Define.
150         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
151         __declspec support.
152         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
153         support.
154         * doc/tm.texi (TARGET_DECLSPEC): Document.
155
156         * doc/extend.texi: Fix typo in comment.
157
158 2004-08-04  Paul Brook  <paul@codesourcery.com>
159
160         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
161         (TARGET_CXX): Use it.
162         * target.h (struct gcc_target): Add cdtor_returns_this.
163         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
164         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
165         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
166
167 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
168
169         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
170         low/high pair. Do range checking directly.
171         (interpret_integer): Adjust.
172
173 2004-08-04  Nick Clifton  <nickc@redhat.com>
174
175         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
176         GCC ABI.
177         * doc/invoke.texi: Document this new switch and also the -mrenesas
178         switch.
179
180 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
181
182         * cfglayout.c (insn_locators_initialize): Update the current
183         location before initializing a location.
184
185 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
186
187         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
188         (dbxout_function_end): Return after emitting the "Lscope" symbol
189         under the same conditions that this function formerly wasn't called.
190         Add explanatory comments.
191
192         PR 14860
193         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
194         on the new decl.
195
196         PR 13956
197         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
198         functions, broken out of dbxout_block.
199         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
200         stabs too, if it contains symbols.  Use the begin_label and
201         the Lscope label (emitted by dbxout_function_end) for the
202         range of this block.
203
204 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
205
206         * doc/install.texi: Update autoconf version requirements.
207
208 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
209
210         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
211         * recog.c (general_operand, immediate_operand, nonmemory_operand)
212         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
213         * regclass.c (record_reg_classes): Likewise.
214         * reload.c (find_reloads): Likewise.
215         * reload1.c (reload): Likewise.
216
217 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
218
219         * gensupport.c (init_md_reader_args_cb): Renamed from
220         init_md_reader_args.  Add third option, callback function for
221         parsing program-specific options.  Add diagnosis of incorrect
222         number of input files.
223         (init_md_reader): Fold into init_md_reader_args_cb.
224         (init_md_reader_args): Now a thin wrapper around
225         init_md_reader_args_cb.
226         * gensupport.h: Update prototypes.
227
228         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
229         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
230         * genrecog.c: No need to diagnose lack of an input file;
231         init_md_reader_args will handle it.
232         * genconditions.c: Likewise, and use init_md_reader_args.
233         * genconstants.c: Likewise, and no need to call read_md_rtx.
234
235 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
236
237         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
238         declarations.
239
240 2004-08-03  Mike Stump  <mrs@apple.com>
241
242         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
243         for frameworks.
244         * doc/invoke.texi (Darwin Options): Update to reflect above.
245
246 2004-08-03  Roger Sayle  <roger@eyesopen.com>
247
248         PR middle-end/16790
249         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
250         truncations, not just global truncations.
251
252 2004-08-03  Andrew Pinski  <apinski@apple.com>
253
254         PR bootstrap/16865
255         * loop-iv.c (simplify_using_assignment): Initialize lhs.
256
257 2004-08-03  Paul Brook  <paul@codesourcery.com>
258
259         * gcc/doc/install.texi: Document MPFR requirement.
260
261 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
262
263         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
264         and mmap() explicitly instead of relying on preset autoconf cache
265         variables.
266         * configure: Regenerate.
267
268 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
269
270         PR target/16570
271         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
272         to tmake_file.
273         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
274         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
275         to tmake_file.
276
277         * config/i386/t-gmm_malloc: New file.
278         * config/i386/t-pmm_malloc: Likewise.
279
280         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
281
282 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
283             Tanguy Fautrà <tfautre@pandora.be>
284
285         * config/i386/pmm_malloc.h: New file.
286
287 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
288
289         * config/i386/gmm_malloc.h: New file.
290
291 2004-08-03  Dale Johannesen  <dalej@apple.com>
292
293         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
294         * c-common.c: Include opts.h.
295         (c_common_get_alias_set): Fix check for a single input file.
296         * toplev.c: Remove current_file_decl.
297         * tree.h: Ditto.
298
299 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
300
301         * config.gcc (arm*-*-symbianelf*): New target.
302         * config/arm/symbian.h: New file.
303
304         * gthr-gnat.c: Add visibility #pragmas.
305         * gthr-gnat.h : Likewise.
306         * gthr.h: Likewise.
307         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
308         (__ffsDI2): Likewise.
309         (__clzSI2): Likewise.
310         (__ctzSI2): Likewise.
311         (__ctzDI2): Likewise.
312         (__popcountSI2): Likewise.
313         (__popcountDI2): Likewise.
314         (__paritySI2): Likewise.
315         (__parityDI2): Likewise.
316         * libgcc2.h: Add visibility #pragmas.
317         (__clzDI2): Add prototype.
318         (__clzSI2): Likewise.
319         (__ctzSI2): Likewise.
320         (__ffsDI2): Likewise.
321         (__ffsSI2): Likewise.
322         (__ctzDI2): Likewise.
323         (__popcountSI2): Likewise.
324         (__popcountDI2): Likewise.
325         (__paritySI2): Likewise.
326         (__parityDI2): Likewise.
327         * unwind-dw2-fde.h: Add visibility #pragmas.
328         * unwind.h: Likewise.
329
330 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
331             Dale Johannesen  <dalej@apple.com>
332             Roger Sayle  <roger@eyesopen.com>
333
334         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
335         constants more accurately.  Adjust costs for FMA instructions.
336         Add cases for most logical and float operations.  Recurse into
337         most operands.
338
339 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
340
341         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
342
343 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
344
345         * ra-build.c (conflicts_between_webs): For webs that cross a call add
346         conflicts to regs_invalidated_by_call.
347
348 2004-08-03  Paul Brook  <paul@codesourcery.com>
349
350         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
351
352 2004-08-03  Jan Hubicka  <jh@suse.cz>
353
354         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
355         ARRAY_REF argument.
356
357 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
358
359         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
360         arm968es, arm10e, arm1020e, arm1022e.
361         * invoke.texi: Update list of ARM cores.
362         * arm-tune.md: Regenerate.
363
364 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
365
366         * arm/gentune.sh: New file.
367         * arm/t-arm: New file.
368         * arm/arm-tune.md: New file (autogenerated).
369         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
370         * arm.md (attribute tune): Delete.  Include arm-tune.md.
371
372 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
373
374         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
375         penultimate parameter.  All callers adjusted.
376         (struct prefix_list): Remove used_flag_ptr.
377         (find_a_file): Do not set *pl->used_flag_ptr.
378         (warn_B, warn_std_ptr): Remove.
379
380 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
381             Mostafa Hagog <mustafa@il.ibm.com>
382
383         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
384
385 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
386
387         * dwarf2out.c (output_call_frame_info): Don't change data format
388         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
389         label.  Use 'true' not '1'.
390         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
391         required.
392
393 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
394
395         * gdbinit.in: Reflect previous changes to rtunion_def.
396
397 2004-08-02  Roger Sayle  <roger@eyesopen.com>
398
399         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
400         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
401
402 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
403
404         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
405         vec_p_reserve.
406         * langhooks.h (lang_hooks::builtin_function): Rename parameter
407         from "class" to "bt_class".
408
409 2004-08-02  Paul Brook  <paul@codesourcery.com>
410
411         PR rtl-optimization/15068
412         * flow.c (init_propagate_block_info): Check condition is reversible.
413
414 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
415
416         * gengtype.h (options::info): Change type to const char *.
417         (enum gc_used_enum): Move out of struct type scope.
418         * gengtype.c (create_option): Convert initializer for option::info to
419         appropiate type.
420         (adjust_field_type, walk_type, write_func_for_structure,
421         write_root, write_roots): Remove pointless cast.
422
423 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
424
425         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
426
427 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
428
429         * rtl.h (union rtunion_def): Have all members  start with the
430         prefix "rt_".
431         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
432         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
433         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
434         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
435         access.
436         * gengtype.c (adjust_field_rtx_def): Likewise.
437         * rtlanal.c (loc_mentioned_in_p): Likewise.
438
439 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
440
441         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
442         Replace uses of mips/elf64.h with mips/elf.h
443         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
444         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
445         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
446         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
447         (HANDLE_SYSV_PRAGMA): Delete.
448         (ASM_OUTPUT_DEF): Fix formatting.
449         * config/mips/elf64.h: Delete.
450
451 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
452
453         * config/ia64/ia64.c (got_symbolic_operand): Do require a
454         symbol+offset operand to have its offset be zero mod 0x3fff
455         when GOT entries are in use.  Clarify logic in SYMBOL_REF
456         case.  Clarify comments.
457         (ia64_expand_load_address): Split a symbol+offset load when
458         the offset is nonzero mod 0x3fff, not 0x1fff.
459
460 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
461
462         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
463         if trying to *store* to a non-offsettable address.
464         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
465         a nonoffsettable address.
466         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
467         Clean up.
468         (movti_string): Don't move GPRs to a nonoffsettable address.
469         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
470
471 2004-08-02  Ben Elliston  <bje@au.ibm.com>
472
473         PR target/16155
474         * config/rs6000/altivec.h: Replace typeof with __typeof__.
475
476 2004-08-01  Richard Henderson  <rth@redhat.com>
477
478         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
479         variable sized types.
480
481 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
482
483         * doc/invoke.texi: In the MIPS options section, remove the passage
484         saying that -mexplicit-relocs is usually disabled for -mabicalls
485         -fno-unit-at-a-time.
486         * config/mips/mips.c (override_options): Remove the code that enforced
487         this rule.
488
489 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
490
491         * config/mips/mips.md (cprestore): Provide two alternatives, one for
492         an in-range offset and one for an out-of-range offset.  Wrap the latter
493         in .set macro/.set nomacro if it's inside a .set nomacro block.
494
495 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
496
497         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
498         (mips_restore_gp): Declare.
499         * config/mips/mips.c (mips_add_offset): Add a scratch register
500         argument.  Reimplement in rtl only, reusing MIPS16 logic from
501         mips_output_mi_thunk.
502         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
503         to mips_add_offset.
504         (mips_gp_save_slot): Delete.
505         (mips_restore_gp): New function.
506         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
507         * config/mips/mips.md (exception_receiver): Turn into a
508         define_insn_and_split.  Use mips_restore_gp to do the split.
509         (call_internal, call_value_internal, call_value_multiple_internal): Use
510         mips_restore_gp to restore $gp.
511
512 2004-07-31  Andrew Pinski  <apinski@apple.com>
513
514         PR other/16842
515         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
516
517 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
518
519         * c-decl.c (diagnose_mismatched_decls): Give error for external
520         redeclaration of identifier declared with no linkage, not just
521         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
522         error for redeclaration with no linkage.
523
524 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
525             Fariborz Jahanian <fjahanian@apple.com>
526
527         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
528         non-offsettable addresses even for DImode.
529         (rs6000_split_multireg_move): Cope with non-offsettable addresses
530         being moved into multiple GPRs.
531
532         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
533         to 64.
534         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
535         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
536         to 128.
537         * config/rs6000/darwin-ldouble.c (isless): New macro.
538         (inf): New macro.
539         (nonfinite): New macro.
540         (FPKINF): Delete.
541         (_xlqadd): Completely rewrite.
542         (_xlqmul): Correct overflow handling.
543         (_xlqdiv): Correct overflow handling.
544         * config/rs6000/darwin-ldouble-format: New file.
545
546 2004-07-30  Roger Sayle  <roger@eyesopen.com>
547             Richard Henderson  <rth@redhat.com>
548
549         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
550         9 into the equivalent lea instruction.
551
552 2004-07-30  Richard Henderson  <rth@redhat.com>
553
554         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
555         with DECL_INITIAL if fb_lvalue.
556         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
557         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
558         with <Cxxx>.
559         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
560
561 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
562
563         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
564         pointer escapes through a function call, assume that the
565         callee will dereference it.
566         (add_pointed_to_var): Assume that VALUE is always an
567         ADDR_EXPR.
568         (collect_points_to_info_r): Only call add_pointed_to_var if
569         the value is an ADDR_EXPR.
570
571 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
572
573         * tree-ssa-alias.c (create_alias_map_for): Do not get the
574         alias set of the inner type of ARRAY_TYPEs.
575
576 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
577
578         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
579         setting a non-register to UNDEFINED right before the call to
580         set_lattice_value.
581
582 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
583
584         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
585
586 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
587
588         * tree-ssa.c (verify_flow_sensitive_alias_info): When
589         comparing points-to sets of different pointers, make sure the
590         second pointer is actually referenced in the code.
591
592 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
593
594         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
595         (got_symbolic_operand): Remove unreachable code.
596         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
597         setjmp_operand; add entry for tls_symbolic_operand.
598         * config/ia64/ia64-protos.h: Remove all prototypes of
599         predicate functions.
600
601 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
602
603         * c-common.h (lang_post_pch_load): New variable.
604         * c-pch.c (lang_post_pch_load): Define it.
605         (c_common_read_pch): Use it.
606         * cgraphunit.c (record_call_1): Give the front end a chance to
607         record additional needed entities when a variable is marked as
608         needed.
609         * tlink.c (recompile_files): Robustify.
610         (scan_linker_output): If a symbol is assigned to a file,
611         but after recompilation is not present there, issue an error
612         message.
613
614 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
615
616         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
617         Take orig_loop argument and pass it to set_level.
618         (schedule_sm): Pass the correct orig_loop to force_move_till.
619
620 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
621
622         * cfgloop.c (update_latch_info): Update dominator of the new block.
623         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
624         info.
625         * dominance.c (verify_dominators): Check that the dominance tree is
626         connected.
627         (recount_dominator): Ignore unreachable blocks.
628         (iterate_fix_dominators): Cleanup old dominance information before
629         recomputing it.
630
631 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
632
633         * tree-ssa-operands.c (get_expr_operands): Revert changes
634         to ADDR_EXPR processing introduced by:
635             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
636             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
637
638 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
639
640         * doc/implement-c.texi: Add C90 subclause references.  Point to
641         preprocessor documentation instead of duplicating it.  Add points
642         only present in C90.  Fill in documentation for all points.
643
644 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
645
646         * pa.c (output_movb): Correct typo.
647
648 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
649
650         * ra.h (single_reg_in_regclass): Declare.
651         * ra.c (single_reg_in_regclass): Define.
652         (first_hard_reg): New.
653         (init_ra): Initialize single_reg_in_regclass.
654         * ra-colorize.c (ok_class): New.
655         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
656
657 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
658
659         * gcov-io.h: Allow zero tag as EOF indicator.
660         (gcov_is_eof): Remove.
661         (gcov_truncate): Remove.
662         * gcov-io.c (gcov_seek): Always SEEK_SET.
663         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
664         EOF tag.
665         * coverage.c (read_counts_file): Don't use gcov_is_eof.
666         * gcov-dump.c (dump_file): Likewise.
667         * gcov.c (read_graph_file, read_count_file): Likewise.
668
669         * c-decl.c (complete_array_type): Don't gratuitously copy
670         maxindex.  Check it always has a type.
671
672 2004-07-29  Steven Bosscher  <stevenb@suse.de>
673
674         * rtl.c (currently_expanding_to_rtl): New.
675         * rtl.h (currently_expanding_to_rtl): Export it.
676         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
677
678         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
679         inliner hack.
680         * config/sh/sh.c: Replace rtx_equal_function_value_matters
681         with currently_expanding_to_rtl.
682         * config/sh/sh.md: Likewise.
683         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
684
685 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
686
687         Introduce sh2a support.
688         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
689         * config.gcc: Build multilibs for sh2a and sh2a-single by
690         default.
691         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
692         default.  Split their tests out of the corresponding SH4
693         multilibs.
694         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
695         multilibs for SH2a.
696         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
697         * config.gcc: Handle sh2a multilibs and cpu selection.
698         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
699         * config/sh/t-mlib-sh2a: New.
700         * config/sh/t-mlib-sh2a-nofpu: New.
701         * config/sh/t-mlib-sh2a-single: New.
702         * config/sh/t-mlib-sh2a-single-only: New.
703         2004-07-09  Nick Clifton  <nickc@redhat.com>
704         Issue 43400
705         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
706         -ml and -m2a are used together.
707         2004-03-23  DJ Delorie  <dj@redhat.com>
708         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
709         when we have a double-sized FPU.
710         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
711         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
712         is set.
713         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
714         -msh2a-single and -msh2a-single-only
715         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
716         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
717         is set.
718         2004-02-20  DJ Delorie  <dj@delorie.com>
719         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
720         2004-02-20  Fred Fish <fnf@redhat.com>,
721         Corinna Vinschen <vinschen@redhat.com>
722         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
723         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
724         2004-02-18  DJ Delorie  <dj@redhat.com>
725         * config/sh/sh.c (broken_move): Add support for movi20.
726         * config/sh/sh.h: Likewise.
727         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
728         * config/sh/sh.md (udivsi3_sh2a): New.
729         (udivsi3): Call it.
730         (divsi3_sh2a): New.
731         (divsi3): Call it.
732         (mul_r): New.
733         (ashlsi3_sh2a): New.
734         (ashrsi3_sh2a): New.
735         (lshrsi3_sh2a): New.
736         (movsi_i): Disable for sh2a.
737         (movsi_ie): Add movi20.
738         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
739         sh2a, for -m2a-nofpu mode.
740         2004-02-13  DJ Delorie  <dj@redhat.com>
741         * config/sh/lib1funcs.asm: Handle double vs single better.
742         * config/sh/sh.h: Likewise.
743         2004-02-09  DJ Delorie  <dj@redhat.com>
744         * config/sh/crt1.asm: Add support for sh2a.
745         * config/sh/elf.h: Likewise.
746         * config/sh/lib1funcs.asm: Likewise.
747         * config/sh/sh.c: Likewise.
748         * config/sh/sh.md: Likewise.
749         * config/sh/sh.h: Likewise.
750         * config/sh/t-sh: Likewise.
751
752 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
753
754         * config/frv/frv.md (movqi_internal, movhi_internal,
755         movsi_internal): Add backup alternatives for memory inputs.
756
757 2004-07-28  Matt Austern  <austern@apple.com>
758
759         * config/darwin.c (darwin_one_byte_bool): New global variable.
760         * config/darwin.h (darwin_one_byte_bool): Declare.
761         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
762         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
763         value of darwin_one_byte_bool.
764         * doc/invoke.texi: Document -mone-byte-bool flag.
765
766 2004-07-28  Eric Christopher  <echristo@redhat.com>
767
768         * c-common.c (c_common_unsafe_for_reeval): Delete.
769         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
770         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
771         * calls.c (fix_unsafe_tree): Delete.
772         (expand_call): Delete code which used above.
773         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
774         * expr.c (expand_expr_real_1): Ditto.
775         * fold-const.c (non_lvalue): Ditto.
776         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
777         (lhd_unsafe_for_reeval): Ditto.
778         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
779         * langhooks.h (unsafe_for_reeval): Ditto.
780         (unsave_expr_now): Adjust comment.
781         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
782         (estimate_num_insns_1): Ditto.
783         * tree-pretty-print.c (dump_generic_node): Ditto.
784         * tree.c (expr_align): Ditto.
785         (unsave_expr): Delete.
786         (unsafe_for_reeval): Ditto.
787         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
788         * tree.def (UNSAVE_EXPR): Delete.
789         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
790
791 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
792
793         * tree.h (enum tls_model): Move ...
794         * coretypes.h: ... here.
795
796 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
797
798         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
799
800 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
801
802         * cse.c (validate_canon_reg): New function, split out from...
803         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
804
805 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
806
807         * tree-ssa-alias.c (maybe_create_global_var): Don't just
808         return if .GLOBAL_VAR has been created.
809
810 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
811
812         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
813         every variable that may have aliases, not just tags.
814
815 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
816
817         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
818         move_from_CR_eq_bit.
819         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
820
821
822         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
823         e500_flip_eq_bit.
824
825         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
826         output_e500_flip_eq_bit.
827
828         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
829         output_e500_flip_eq_bit.
830         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
831         output_e500_flip_eq_bit.
832         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
833         (print_operand): case D.  Get to EQ bit.
834
835 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
836
837         * gcov.c (function_summary): Add missing \n.
838
839 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
840
841         Introduce sh4a support.
842         * config.gcc: Handle sh4a multilibs and cpu selection.
843         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
844         * config/sh/t-mlib-sh4a: New.
845         * config/sh/t-mlib-sh4al: New.
846         * config/sh/t-mlib-sh4a-nofpu: New.
847         * config/sh/t-mlib-sh4a-single: New.
848         * config/sh/t-mlib-sh4a-single-only: New.
849         2004-02-20  DJ Delorie  <dj@redhat.com>
850         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
851         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
852         2003-08-22  Eric Christopher  <echristo@redhat.com>
853         * config/sh/sh4a.md: Update for chip errata.
854         2003-08-07  Eric Christopher  <echristo@redhat.com>
855         * config/sh/sh4a.md: New file. sh4a processor description.
856         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
857         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
858         of -m4a-nofpu.
859         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
860         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
861         * doc/invoke.texi (SH Options): Document -m4al.
862         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
863         * config/sh/sh.c (expand_block_move): Remove commented-out code
864         checked in by mistake.
865         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
866         single elements from SFmode vectors.
867         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
868         register.
869         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
870         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
871         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
872         sh_fsca_int2sf): Remove variable declarations.
873         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
874         sh_fsca_int2sf): New functions.
875         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
876         sh_fsca_int2sf_rtx): New static variables.
877         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
878         sh_fsca_int2sf): Declare.
879         * config/sh/sh.md: Adjust.
880         * doc/invoke.texi (SH Options): Document new options.
881         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
882         compatibility from SH4 code.
883         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
884         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
885         early.
886         (memory_movsrc_operand): Renamed to...
887         (unaligned_load_operand): ... this.  Simplified.
888         * config/sh/sh.h (PREDICATE_CODES): Adjust.
889         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
890         input operand to SImode, and adjust the others.  Introduce
891         post-increment by peephole.
892         * config/sh/sh.c (expand_block_move): Give the target address the
893         same mode as the temp reg.
894         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
895         copying.
896         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
897         Introduce support for SH4a.
898         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
899         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
900         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
901         sh_fsca_int2sf): New.
902         (sh_init_builtins): Initialize them.
903         (print_operand): Support `d'.
904         (expand_block_move): Use movua if src is misaligned.
905         (memory_movsrc_operand): New.
906         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
907         and one of the SH4 macros.
908         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
909         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
910         SELECT_SH4A_SINGLE): New.
911         (TARGET_NONE): Add SH4A_BIT.
912         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
913         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
914         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
915         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
916         (enum processor_type): Added PROCESSOR_SH4A.
917         (PREDICATE_CODES): Add memory_movsrc_operand.
918         * config/sh/sh.md: Removed unused variables.
919         (attr cpu): Add sh4a.
920         (attr type): Add movua, fsrra and fsca.
921         (prefetch): New, for SH4.
922         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
923         (toggle_sz): Set type to fp.
924         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
925         (movua, extv, extzv): New.
926         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
927         and 4a-single-only.
928
929 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
930
931         * tree-optimize.c (init_tree_optimization_passes): Schedule
932         pass_may_alias right after the program is renamed into SSA.
933         * tree-pass.h (PROP_alias): Define.
934         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
935         * tree-sra.c (pass_sra): Likewise.
936         * tree-ssa-ccp.c (pass_ccp): Likewise.
937         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
938         * tree-ssa-dce.c (pass_dce): Likewise.
939         * tree-ssa-dom.c (pass_dominator): Likewise.
940         * tree-ssa-dse.c (pass_dse): Likewise.
941         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
942         * tree-ssa-loop-ch.c (pass_ch): Likewise.
943         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
944         * tree-ssa-pre.c (pass_pre): Likewise.
945         * tree-tailcall.c (pass_tail_recursion): Likewise.
946         * tree-ssa.c (pass_redundant_phi): Likewise.
947         * tree-ssa-alias.c (aliases_computed_p): Remove.
948         Update all users.
949         (init_alias_info): Do not mark all type tags for renaming
950         unconditionally.
951         Clear may_aliases from every symbol.
952         (setup_pointers_and_addressables): If a pointer has not been
953         dereferenced and it had a type tag, clear it and mark the old
954         tag for renaming.
955
956 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
957
958         PR tree-optimization/16705
959         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
960         .GLOBAL_VAR.
961
962 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
963
964         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
965         check.
966
967         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
968         don't make another one.
969
970         PR optimization/15077
971         * function.h (struct function): Add field saved_static_chain_decl.
972         Fix comment for static_chain_decl.
973         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
974         * tree-inline.h (save_body): Add new arg.
975         * tree-optimize.c (tree_rest_of_compilation): Handle saving
976         static_chain_decl.
977
978 2004-07-27  Richard Henderson  <rth@redhat.com>
979
980         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
981         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
982         is_gimple_addressable.
983         * tree-gimple.c (is_gimple_addressable): Rename from
984         is_gimple_addr_expr_arg; accept INDIRECT_REF.
985         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
986         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
987         rename to is_gimple_addressable.
988
989 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
990
991         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
992
993 2004-07-27  Richard Henderson  <rth@redhat.com>
994
995         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
996         before rounding.
997
998 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
999
1000         * libgcc2.c: Change all conditionals testing
1001         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
1002         * libgcc2.h: Likewise.
1003         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
1004         TYPE_PRECISION of float80_type to 80.
1005         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
1006         of fpreg_type and float80_type to 80.
1007         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
1008         * config/m68k/netbsd-elf.h:
1009         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
1010         to evaluate to 80 whenever they would formerly have evaluated to 96.
1011         * config/i386/sco5.h: Remove unnecessary redefinition of
1012         LONG_DOUBLE_TYPE_SIZE.
1013         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
1014         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
1015         XFmode, with a bitsize of 80.  Update commentary.
1016         * config/ia64/ia64-modes.def: Likewise.
1017         * config/m68k/m68k-modes.def: Likewise.
1018
1019 2004-07-27  Steven Bosscher  <stevenb@suse.de>
1020
1021         * cfgexpand.c (tree_expand_cfg): Fix comment.
1022
1023         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
1024         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
1025         Remove.
1026         (prepare_function_start): Don't set rtx_equal_function_value_matters.
1027         * integrate.c (copy_rtx_and_substitute): Don't test for it.
1028         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
1029         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
1030         here again.  Update leading comment.
1031         * rtl.c (rtx_equal_function_value_matters): Remove.
1032         (rtx_equal_p): Don't test for it.
1033         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
1034         Likewise.
1035
1036         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
1037         * rtl.c (note_insn_name): Likewise.
1038         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
1039         * final.c (final_scan_insn): Likewise.
1040
1041         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
1042         * passes.c (rest_of_handle_eh): Do it here.
1043
1044         * stmt.c (struct nesting): Remove struct nesting block member.
1045         (struct stmt_status): Remove x_block_start_count field.
1046         (current_block_start_count): Remove.
1047
1048 2004-07-27  Brian Booth  <bbooth@redhat.com>
1049
1050         * tree-optimize.c (register_one_dump_file): Update condition that uses
1051         static_pass_number.
1052         (dup_pass_1): Replace with...
1053         (next_pass_1): This.
1054         (NEXT_PASS): Call next_pass_1.
1055         (DUP_PASS): Remove.
1056         (init_tree_optimization_passes): Remove uses of DUP_PASS.
1057         (execute_one_pass): Update condition that uses
1058         static_pass_number.
1059         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
1060         integer.
1061
1062 2004-07-27  Nick Clifton  <nickc@redhat.com>
1063
1064         * config/m32r/m32r.c: Include integrate.h in order to get the
1065         prototype for get_hard_reg_initial_val().
1066
1067         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
1068         and tidy up indentation.
1069         (final_presence_set): Use absence_set instead, so that if there is
1070         nothing in the "o" pipe the "s" pipe can be scheduled.
1071
1072 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
1073
1074         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
1075         don't have PT_VARS nor PT_MALLOC set.
1076         Clear name tag from pointers that have not been dereferenced.
1077         (set_pt_anything, set_pt_malloc): Forward declare.
1078         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
1079         not type compatibility when determining if a pointer can be
1080         copy propagated.
1081
1082 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
1083
1084         * expr.h (canonicalize_condition, get_condition): Add an int argument.
1085         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
1086         it to check whether the condition is still valid at the jump insn.
1087         * ifcvt.c (noce_get_condition): Likewise.
1088         (noce_get_alt_condition): Update call to canonicalize_condition.
1089         * loop-iv.c (simplify_using_initial_values): Update call to
1090         get_condition.  Remove FIXME.
1091         (check_simple_exit): Update call to get_condition.
1092         * loop-unswitch.c (may_unswitch_on): Likewise.
1093         * loop.c (check_dbra_loop): Likewise.
1094         (canonicalize_condition, get_condition): Add an argument to say whether
1095         the condition must still be valid at INSN.
1096         (get_condition_for_loop): Update call to get_condition.  Require that
1097         the condition be valid at INSN.
1098         * predict.c (estimate_probability): Update call to get_condition.
1099         Remove unused earliest parameter.
1100         (expected_value_to_br_prob): Update call to canonicalize_condition.
1101
1102 2004-07-26  Eric Christopher  <echristo@redhat.com>
1103
1104         * tree-dfa.c (add_referenced_var): Register initializers of global
1105         variables.
1106
1107 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
1108
1109         * config/i386/i386.c (function_arg): Always treat 8-
1110         and 16-byte wide vectors the same, even if MMX/SSE
1111         are disabled.
1112         (contains_128bit_aligned_vector_p): Add comment.
1113
1114 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
1115
1116         * ra.h (enum node_type): Rename to:
1117         (enum ra_node_type).
1118         * ra-colorize.c: Likewise.
1119
1120 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
1121
1122         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
1123         after simplifying the jump.
1124
1125 2004-06-26  Richard Henderson  <rth@redhat.com>
1126
1127         * calls.c (combine_pending_stack_adjustment_and_call): Make
1128         preferred_unit_stack_boundary argument unsigned.  Make
1129         unadjusted_alignment unsigned.
1130         (expand_call): Make preferred_stack_boundary and
1131         preferred_unit_stack_boundary variables unsigned.
1132         * function.c (assign_stack_local_1): Make alignment unsigned.
1133         * function.h (struct function): Make stack_alignment_needed,
1134         preferred_stack_boundary unsigned.
1135         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
1136         (ix86_compute_frame_layout): Make stack_alignment_needed,
1137         preferred_alignment variables unsigned.
1138         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
1139
1140 2004-07-26  Tom Tromey  <tromey@redhat.com>
1141
1142         * tree.h: Fix typo in comment.
1143
1144 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
1145
1146         PR bootstrap/12804
1147         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
1148         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
1149         (ggc_free): Remove incorrect freeing.
1150         (sweep_pages): Advance PP for large pages.  Fix indentation.
1151
1152 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
1153
1154         PR rtl-optimization/16643
1155         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
1156         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
1157         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
1158         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
1159         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
1160         * function.c (thread_prologue_and_epilogue_insns): Likewise.
1161         * rtl.h (tracer): Add a flags parameter.
1162         * tracer.c (tracer): Pass it to cfg_layout_initialise.
1163         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
1164         (rest_of_handle_reorder_blocks): Update calls to tracer and
1165         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
1166         (rest_of_handle_tracer): Pass 0 to tracer.
1167         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
1168
1169 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
1170
1171         PR target/16239
1172         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
1173         f->f.
1174
1175 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
1176
1177         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
1178         (BINFO_BASE_ACCESS): Adjust.
1179         (BINFO_BASE_ACCESS_APPEND): New.
1180         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
1181         * dbxout.c (dbxout_type): Adjust binfo access accessing.
1182         * dwarf2out.c (gen_member_die): Likewise.
1183         * tree-dump.c (deque_and_dump): Likewise.
1184
1185 2004-07-26  Falk Hueffner  <falk@debian.org>
1186
1187         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
1188         costs.
1189
1190 2004-07-25  Roger Sayle  <roger@eyesopen.com>
1191
1192         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
1193         value off of the stack if TARGET_USE_FFREEP.
1194
1195 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1196
1197         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
1198         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
1199         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
1200         check on invocation of XRESIZEVEC ().
1201
1202 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1203
1204         * c-common.c (disable_builtin_function): Rename variable n to
1205         new_disabled_builtin.
1206         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
1207         Rename local variable old to old_decl.
1208         * gensupport.c (shift_output_template): Rename parameter old to src.
1209         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
1210         old_rtx and newx to new_rtx.
1211
1212 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1213
1214         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
1215         of c-pragma.h.
1216         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
1217         enum cpp_ttype.
1218         * c-lex.c: Likewise.
1219
1220 2004-07-25  Roger Sayle  <roger@eyesopen.com>
1221
1222         * fold-const.c (constant_boolean_node): Make extern.
1223         (make_range): Wrap long lines.
1224         (fold_cond_expr_with_comparison): Remove unnecessary call to
1225         pedantic_non_lvalue.  Add missing calls to fold_convert.
1226         (fold_truthop): Add missing calls to fold_convert.
1227         (fold): Likewise.
1228         * tree.h (constant_boolean_node): Add prototype here.
1229         * builtins.c (expand_builtin_strncmp): Add missing calls to
1230         fold_convert.
1231         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
1232         Call fold_convert and constant_boolean_node to correct types.
1233         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
1234         missing call to fold_convert to correct types.
1235
1236 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
1237             Brian Ryner  <bryner@brianryner.com>
1238
1239         PR c++/9283
1240         PR c++/15000
1241         * c-common.c (c_common_attribute_table): Allow
1242         handle_visibility_attribute to be called for types.
1243         (handle_visibility_attribute) When given a type, set the visibility
1244         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
1245         so that we can check later whether the attribute was present. Added
1246         warning if attribute applied to non class type.
1247         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
1248         decls and checking that they are consistent.
1249         * common.opt: Added -fvisibility.
1250         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
1251         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
1252         * flags.h, tree.h: Added assorted support defines for overall patch
1253         * opts.c: Added parsing support for -fvisibility.
1254         * tree.c (build_decl): Set visibility for all decls to be whatever
1255         is in force at that time.
1256         * varasm.c (default_binds_local_p_1): Reworked logic determining
1257         when to make a symbol locally bound.
1258         * doc/invoke.texi: Added documentation for -fvisibility and
1259         -fvisibility-inlines-hidden.
1260
1261 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1262
1263         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
1264         * c-common.c: Add missing casts from void * to other types.
1265         * c-decl.c: Likewise.
1266         * c-format.c: Likewise.
1267         * c-lex.c: Likewise.
1268         * c-pragma.c: Likewise.
1269         * c-typeck.c: Likewise.
1270         * defaults.h: Likewise.
1271         * genconstants.c: Likewise.
1272         * gengtype-lex.l: Likewise.
1273         * genmodes.c: Likewise.
1274         * read-rtl.c: Likewise.
1275         * rtl.c: Likewise.
1276
1277 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1278
1279         * bitmap.c: Use type-safe memory allocation macros from libiberty.
1280         * c-common.c: Likewise.
1281         * c-decl.c: Likewise.
1282         * c-lang.c: Likewise.
1283         * c-lex.c: Likewise.
1284         * c-opts.c: Likewise.
1285         * c-parse.in: Likewise.
1286         * c-typeck.c: Likewise.
1287         * genconditions.c: Likewise.
1288         * gengtype-lex.l: Likewise.
1289         * gengtype-yacc.y: Likewise.
1290         * gengtype.c: Likewise.
1291         * genmodes.c: Likewise.
1292         * gensupport.c: Likewise.
1293         * read-rtl.c: Likewise.
1294         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
1295         htab_find_slot().
1296
1297 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1298
1299         * c-decl.c (groktypename, groktypename_in_param_context): Rename
1300         variable typename to type_name.
1301         * c-lex.c (interpret_float): Likewise.
1302
1303 2004-07-25  Roger Sayle  <roger@eyesopen.com>
1304
1305         * convert.c (convert_to_real, convert_to_integer,
1306         convert_to_complex): Replace calls to build with calls to buildN.
1307         * coverage.c (tree_coverage_counter_ref): Likewise.
1308         * dojump.c (do_jump): Likewise.
1309         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1310         * emit-rtl.c (component_ref_for_mem_expr,
1311         set_mem_attributes_minus_bitpos): Likewise.
1312         * explow.c (update_nonlocal_goto_save_area): Likewise.
1313         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
1314         expand_mult_add): Likewise.
1315         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
1316         store_constructor, get_inner_reference, expand_expr_real_1,
1317         try_casesi, try_tablejump): Likewise.
1318         * function.c (expand_function_start): Likewise.
1319         * stmt.c (emit_case_bit_tests, expand_end_case_type,
1320         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
1321         * stor-layout.c (place_union_field, layout_type): Likewise.
1322         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
1323         * varasm.c (copy_constant): Likewise.
1324
1325 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1326
1327         * c-common.c: Rename all identifiers named `new'.
1328         * c-decl.c: Likewise.
1329         * gensupport.c: Likewise.
1330         * simplify-rtx.c: Likewise.
1331         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
1332         with XNEW().
1333         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
1334         with XNEWVEC().
1335
1336 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1337
1338         PR c/15360
1339         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
1340         declarations until after calling pushdecl.
1341         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
1342         "extern" and not on whether the declaration is initialized.
1343
1344 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
1345
1346         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1347         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
1348         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
1349         "cpplib.h", "c-pragma.h", "c-common.h".
1350         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
1351         (solaris_register_pragmas): New functions.
1352         * config/sol2-protos.h: New file.
1353         * config/sol2.c: New file.
1354         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
1355         (REGISTER_TARGET_PRAGMAS): New macros.
1356         (solaris_pending_aligns, solaris_pending_inits)
1357         (solaris_pending_finis): New variables.
1358         * config/t-sol2 (sol2-c.o): Update dependencies.
1359         (sol2.o): New rule.
1360         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
1361         SUBTARGET_INSERT_ATTRIBUTES.
1362         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
1363         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
1364         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
1365         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
1366         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
1367         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
1368         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
1369         * config/sparc/sparc.c (sparc_attribute_table): New.
1370         (TARGET_INSERT_ATTRIBUTES): Define in terms of
1371         SUBTARGET_INSERT_ATTRIBUTES.
1372         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
1373         is defined.
1374         * doc/extend.texi (Solaris Pragmas): New section.
1375
1376 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1377
1378         * c-common.c: Rename all identifiers named `class' to `cl'.
1379         * c-common.h: Likewise.
1380         * c-parse.in: Likewise.
1381         * c-typeck.c: Likewise.
1382         * genmodes.c: Likewise.
1383         * real.c: Likewise.
1384         * real.h: Likewise.
1385         * recog.c: Likewise.
1386         * recog.h: Likewise.
1387         * regrename.c: Likewise.
1388         * tree.h: Likewise.
1389         * c-common.c (builtin_function_2): Change type of 5th parameter from
1390         int to enum built_in_function. Change type of 8th parameter from int
1391         to bool.
1392         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
1393         with GGC_CNEW().
1394         * c-typeck.c (convert_arguments): Change type of formal_prec from
1395         int to unsigned int.
1396         * genmodes.c (blank_mode): Make a few negative constants unsigned.
1397         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
1398         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
1399         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
1400         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
1401         iterator to for_all_modes () instead of an enum because enums can't
1402         be incremented in C++.
1403
1404
1405 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
1406
1407         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
1408         hard registers.
1409
1410 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1411
1412         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
1413         Handle ARRAY_RANGE_REF like ARRAY_REF.
1414
1415 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1416
1417         * c-typeck.c (digest_init): Don't allow arrays of signed or
1418         unsigned variants of wchar_t to be initialized by wide string
1419         constants.  Do allow arrays of enumerated types compatible with
1420         wchar_t to be initialized by wide string constants.  Refine tests
1421         distinguishing wide and narrow strings and arrays.  Give specific
1422         error for arrays of other integer types initialized by string
1423         constants.
1424         (output_init_element, process_init_element): Check for
1425         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
1426         initializing with string constants.
1427
1428 2004-07-25  Richard Henderson  <rth@redhat.com>
1429
1430         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
1431         on the RESULT_DECL.
1432         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
1433         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
1434         DECL_IGNORED_P to new decl.
1435
1436 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
1437
1438         * config/ia64/ia64.c (general_xfmode_operand)
1439         (destination_xfmode_operand): Delete.
1440         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
1441         * config/ia64/ia64.md (*movxf_internal): Use general_operand
1442         and destination_operand.
1443
1444 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
1445
1446         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
1447         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
1448
1449 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
1450             Zack Weinberg  <zack@codesourcery.com
1451
1452         PR 16684
1453         * c-decl.c (diagnose_mismatched_decls): Don't issue a
1454         redundant-declaration warning the first time a builtin is
1455         declared explicitly.
1456
1457 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1458
1459         * tree.h (staticp): Change return type to bool.
1460
1461 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1462
1463         * c-common.c (c_staticp): Last episode of the staticp saga.
1464
1465 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1466
1467         * c-common.h (c_staticp): Change return type from int to bool.
1468         * tree.c (staticp): Likewise.
1469         * langhooks.h (staticp): Likewise.
1470
1471 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1472
1473         * langhooks-def.h (lhd_staticp): Change return type from int to
1474         bool in prototype to match definition.
1475
1476 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1477
1478         * system.h (bool, true, false): Don't redefine as preprocessor macros
1479         in C++.
1480
1481 2004-07-24  Roger Sayle  <roger@eyesopen.com>
1482
1483         * expmed.c (init_expmed): A signed modulus by a power of two is
1484         considered cheap if its less than or equal to four instructions.
1485
1486 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1487
1488         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
1489         GGC_CNEWVAR): New macros.
1490
1491 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1492
1493         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
1494         lists.
1495         * c-decl.c: Likewise.
1496         * c-format.c: Likewise.
1497         * c-lex.c: Likewise.
1498         * c-opts.c: Likewise.
1499         * c-pragma.c: Likewise.
1500         * c-typeck.c: Likewise.
1501         * gencheck.c: Likewise.
1502         * genconditions.c: Likewise.
1503         * genconfig.c: Likewise.
1504         * genflags.c: Likewise.
1505         * gengtype.c: Likewise.
1506         * gensupport.c: Likewise.
1507         * ggc-none.c: Likewise.
1508         * langhooks.c: Likewise.
1509         * statistics.h: Likewise.
1510         * stub-objc.c: Likewise.
1511         * java/decl.c: Likewise.
1512
1513 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
1514
1515         * config/m68k/m68k.c (output_scc_di): Fix coding style.
1516         (symbolic_operand): Fix prototype.
1517         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
1518         * config/m68k/m68k.md: Add constants for registers a0 and sp and
1519         use them, change from the "{...}" syntax to the simpler {...}
1520         syntax.
1521         (*cfv4_extendqisi2): Fix destination predicate.
1522         * config/m68k/m68k-protos.h: Remove various declarations also
1523         generated via PREDICATE_CODES.
1524
1525 2004-07-23  Mike Stump  <mrs@apple.com>
1526
1527         * c-typeck.c (convert_for_assignment): Tightened up pointer
1528         converstions that differ in signedness.
1529
1530 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
1531
1532         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
1533
1534 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1535
1536         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
1537         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
1538
1539         * gimplify.c (gimplify_compound_lval): Check for no handled
1540         operations, rather than checking for explicit list of nodes.
1541         (is_gimple_addr_expr_arg_or_indirect): New function.
1542         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
1543         redundant setting of TREE_INVARIANT.
1544         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
1545         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
1546
1547 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
1548
1549         PR tree-optimization/16688
1550         PR tree-optimization/16689
1551         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
1552         unnecessary initialization of 'tag'.
1553         (get_tmt_for): Check that the new type tag has the same alias
1554         set as the pointed-to type.
1555         (group_aliases): Only regular variables need to be removed
1556         from the alias set of a name tag.
1557         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
1558         propagation if the two types are not compatible.
1559         (merge_alias_info): Rename from replace_ssa_names_ann.
1560         Add more checking.
1561         (replace_exp_1): If both arguments are SSA_NAMEs, check that
1562         the propagation can be done.
1563         Only call merge_alias_info on pointers.
1564         (propagate_value): Likewise.
1565         * tree-ssa-copyrename.c: Include langhooks.h.
1566         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
1567         to do the merging.
1568         Do not coalesce variables with incompatible types.
1569         (rename_ssa_copies): Call replace_ssa_name_symbol.
1570         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
1571         the same type as the underlying _DECL.
1572         * tree-ssanames.c (replace_ssa_name_symbol): New function.
1573         * tree.h (replace_ssa_name_symbol): Declare.
1574
1575 2004-07-23  Richard Henderson  <rth@redhat.com>
1576
1577         PR c++/16277
1578         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
1579         unshare it properly.
1580         (gimplify_modify_expr_rhs): Push assignment from a conditional into
1581         the conditional for all non-register types.
1582
1583 2004-07-23  Richard Henderson  <rth@redhat.com>
1584
1585         * expr.c (expand_expr_real_1): Don't handle non-local variables.
1586         * expr.h (fix_lexical_addr): Remove.
1587         * function.c (NEED_SEPARATE_AP): Remove.
1588         (fix_lexical_addr): Remove.
1589         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
1590         not null decl_function_context.
1591         (create_alias_vars): Likewise.
1592         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
1593         (simple_goto_p): Likewise.
1594         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
1595         * tree-ssa-ccp.c (get_default_value): Likewise.
1596         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1597         * tree.c (needs_to_live_in_memory): Likewise.
1598         * tree-flow-inline.h (may_be_aliased): Move...
1599         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
1600         when TREE_STATIC variables may be addressable.
1601
1602 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
1603
1604         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
1605
1606 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
1607
1608         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
1609         bitmap contents if GENERATOR_FILE is defined.
1610         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
1611         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
1612
1613 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1614
1615         * c-decl.c (start_function): Form composite type of function types
1616         rather than copying type from previous prototype declaration.
1617
1618 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
1619
1620         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
1621         the const qualifier for the second argument in the C++ functions.
1622
1623         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
1624         specific pointer types.
1625
1626         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
1627         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
1628         for vector bool and/or vector pixel, add C++ and C missing support.
1629         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
1630         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
1631         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
1632         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
1633         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
1634         missing C++ and C support for vector bool and/or vector pixel.
1635         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
1636         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
1637         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
1638         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
1639         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
1640         C++ and C types used for vector bool and/or vector pixel.
1641         (vec_st, vec_stl): Add C++ support for vector pixel.
1642         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
1643         (vec_all_ne): Add C++ support for vector pixel.
1644
1645         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
1646         (vec_vmulesb): Add missing C++ function.
1647         (vec_perm): Fix type of third argument in C++ function.
1648         (vec_vsum4shs): Fix C++ function name.
1649         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
1650         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
1651         argument passed to the error handler in C macro.
1652         (vec_nmsub): Remove extra parens around argument names in C macro.
1653         (vec_packpx): Add missing parens in C macro.
1654
1655 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1656
1657         * machmode.def: Remove vector modes.
1658         * config/alpha/alpha-modes.def: Add supported vector modes.
1659         * config/arm/arm-modes.def: Likewise.
1660         * config/frv/frv-modes.def: Likewise.
1661         * config/i386/i386-modes.def: Likewise.
1662         * config/rs6000/rs6000-modes.def: Likewise.
1663         * config/sh/sh-modes.def: Likewise.
1664
1665 2004-07-23  Matthias Klose  <doko@debian.org>
1666
1667         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
1668         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
1669         * config.h: Regenerate.
1670         * configure: Likewise.
1671
1672 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
1673
1674         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
1675         generated SYMBOL_REFs for labels.
1676         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
1677         Change prototype.
1678         (machopic_stub_name): Remove.
1679         (machopic_indirection_name): New function.
1680         (machopic_mcount_stub_name): Likewise.
1681         (machopic_classify_name): Remove.
1682         (machopic_function_base_sym): New function.
1683         (machpoic_classify_symbol): Likewise.
1684         (machopic_classify_ident): Remove.
1685         (machopic_define_ident): Likewise.
1686         (machopic_define_name): Likewise.
1687         (machopic_name_defined_p): Likewise.
1688         (machopic_ident_defined_p): Likewise.
1689         (darwin_strip_name_encoding): Likewise.
1690         (machopic_define_symbol): New function.
1691         * config/darwin.c (hashtab.h): Include.
1692         (machopic_defined_list): Remove.
1693         (machopic_classify_ident): Likewise.
1694         (machopic_classify_name): Likewise.
1695         (machopic_ident_defined_p): Likewise.
1696         (machopic_define_ident): Likewise.
1697         (machopic_define_name): Likewise.
1698         (machopic_symbol_defined_p): New function.
1699         (machopic_classify_symbol): Likewise.
1700         (machopic_data_defined_p): Use machopic_classify_symbol.
1701         (machopic_define_symbol): New function.
1702         (machopic_function_base_sym): New function.
1703         (machopic_non_lazy_pointers): Remove.
1704         (machopic_non_lazy_ptr_name): Likewise.
1705         (machopic_stubs): Likewise.
1706         (machopic_stub_name): Likewise.
1707         (NON_LAZY_POINTER_SUFFIX): New macro.
1708         (STUB_SUFFIX): Likewise.
1709         (machopic_indirection): New structure.
1710         (machopic_indirections): New variable.
1711         (machopic_indirection_hash): New function.
1712         (machopic_indirection_eq): Likewise.
1713         (machopic_indirection_name): Likewise.
1714         (machopic_mcount_stub_name): New function.
1715         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
1716         hash table.
1717         (machopic_indirect_data_reference): Rework to use new functions.
1718         (machopic_indirect_call_target): Likewise.
1719         (machopic_legitimize_pic_address): Likewise.
1720         (machopic_output_indirection): New function.
1721         (machopic_finish): Use it.
1722         (machopic_operand_p): Rework to use new functions.
1723         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
1724         (darwin_strip_name_encoding): Remove.
1725         (update_non_lazy_ptrs): Remove.
1726         (update_stubs): Likewise.
1727         (darwin_non_lazy_pcrel): Use new functions.
1728         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1729         (ASM_OUTPUT_LABELREF): Likewise.
1730         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1731         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
1732         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
1733         (TARGET_STRIP_NAME_ENCODING): Do not use
1734         darwin_strip_name_encoding.
1735         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
1736         darwin_strip_name_encoding.
1737         * config/i386/darwin.h (FUNCTION_PROFILER): Use
1738         machopic_mcount_stub_name.
1739         * config/i386/i386.c (x86_output_mi_thunk): Use
1740         machopic_indirection_name, not machopic_stub_name.
1741         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
1742         machopic_function_base_sym.
1743         (print_operand): Use machopic_classify_symbol.
1744         (rs6000_emit_prologue): Use machopic_function_base_sym.
1745         (output_profile_hook): Do not use machopic_stub_name.
1746         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
1747
1748 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1749
1750         PR c/7284
1751         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
1752         as multiplication.
1753
1754 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1755
1756         * doc/implement-c.texi: New file.
1757         * doc/extend.texi (C Implementation): Move to there.
1758         * doc/gcc.texi: Include implement-c.texi.
1759         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
1760
1761 2004-07-22  Jason Merrill  <jason@redhat.com>
1762
1763         * integrate.c (copy_decl_for_inlining): Remove invisible reference
1764         handling.
1765         * tree-inline.c (setup_one_parameter): Likewise.
1766
1767 2004-07-22  Brian Booth  <bbooth@redhat.com>
1768
1769         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
1770         (substitute_and_fold): Propigate into VUSE operands when possible.
1771         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
1772         (cp_lattice_meet): Handle merging of latticevalues when
1773         UNKNOWN_VAL is present.
1774         (visit_stmt): Visit assignments with V_MUST_DEFs.
1775         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
1776         (ccp_fold): Deal with RHS' that are constant and virtual.
1777         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
1778         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
1779         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
1780         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
1781         computing immediate uses.
1782         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
1783         transition.
1784         (replace_vuse_in): New function.
1785         (likely_value): Add check of vuse operands.
1786         (get_default_value): Set the default value of virtually defined
1787         variables to UKNOWN_VAL instead of VARYING.
1788
1789 2004-07-22  Richard Henderson  <rth@redhat.com>
1790
1791         * expr.c (emit_push_insn): Don't use set_mem_attributes.
1792
1793 2004-07-22  Richard Henderson  <rth@redhat.com>
1794
1795         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
1796         variables due to conditional compilation.
1797
1798 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1799
1800         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
1801         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
1802         Release SSA names that have been re-renamed.
1803         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
1804         variable.
1805         * tree-ssa-alias.c (init_alias_info): If aliases have been
1806         computed before, clear existing alias information.
1807         (create_name_tags): Do no fixup PT_ANYTHING pointers.
1808         If the new name tag for a pointer is different than the one it
1809         had before, mark the old tag for renaming.
1810         (replace_may_alias): New function.
1811         (group_aliases): Call it.
1812         (setup_pointers_and_addressables): Always call get_tmt_for.
1813         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
1814         once.
1815         (set_pt_anything): New local function.
1816         (set_pt_malloc): New local function.
1817         (merge_pointed_to_info): Don't merge pointed-to variables from
1818         the original pointer if the destination is pointing to an
1819         unknown location.
1820         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
1821         (add_pointed_to_var): Do not add a variable to the points-to
1822         set if the pointer is already pointing to anywhere.
1823         (collect_points_to_info_r): If the defining statement is a PHI
1824         node, only merge pointed-to information if the argument has
1825         already been visited.
1826         (get_tmt_for): Only create a new tag if the pointer didn't
1827         have one already.
1828         (dump_alias_info): Emit more information.
1829         (dump_points_to_info_for): Likewise.
1830         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
1831         try to get the annotation of an SSA_NAME.
1832         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
1833         alias sets when checking is enabled.
1834         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
1835         (eliminate): Mark basic blocks that will need
1836         EH information cleaned up.
1837         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
1838         predecessor.
1839         Initialize need_eh_cleanup.
1840         (fini_pre): Call tree_purge_all_dead_eh_edges and
1841         cleanup_tree_cfg if needed.
1842         Free need_eh_cleanup.
1843         * tree-ssa.c (verify_ssa_name): New function.
1844         (verify_def): Call it.
1845         Re-arrange to avoid printing too many error messages.
1846         (verify_use): Likewise.
1847         (verify_phi_args): Likewise.
1848         (verify_flow_insensitive_alias_info): New function.
1849         (verify_flow_sensitive_alias_info): New function.
1850         (verify_alias_info): New function.
1851         (verify_ssa): Call verify_alias_info.
1852         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
1853         program.
1854         Re-arrange to avoid printing too many error messages.
1855         * tree-ssanames.c (make_ssa_name): Clear
1856         SSA_NAME_IN_FREE_LIST.
1857         (release_ssa_name): Never release a default definition.
1858         (release_defs): New function.
1859         * tree.h: Declare it.
1860         * tree-ssa-dce.c (remove_dead_stmt): Call it.
1861
1862 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1863
1864         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
1865         If true, do a depth-first search.  Do a breadht-first search,
1866         otherwise.
1867         (walk_use_def_chains): Add new argument IS_DFS.
1868         Update all users.
1869         * tree-flow.h (walk_use_def_chains): Update prototype.
1870
1871 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
1872
1873         * config/cris/cris.md: Tweak formatting.
1874         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
1875         (mover2side, moverside, movemside, movei, op3, andu): Replace
1876         live define_peephole:s with define_peephole2 near-equivalents.
1877         Delete the rest.
1878         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
1879         word-size modes.
1880         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1881         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
1882         "*mov_sidesi_mem" respectively.
1883
1884 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1885
1886         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
1887         (gimplify_build1): Move from tree-complex.c do_unop.
1888         (gimplify_build2): Move from tree-complex.c do_binop.
1889         (gimplify_build3): New.
1890         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
1891         Adjust throughout to call the functions above.
1892         * tree-flow.h: Declare the functions above.
1893         * tree-nested.c (gimplify_val): Rename to...
1894         (tsi_gimplify_val): ... this.
1895
1896         * Makefile.in (tree_complex.o): Update dependencies.
1897         (stor-layout.o): Depend on regs.h.
1898         * c-common.c (handle_vector_size_attribute): Update for
1899         vector types without corresponding vector modes.
1900         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
1901         a corresponding vector mode is not available.
1902         * print-tree.c (print_node): Print nunits for vector types
1903         * regclass.c (have_regs_of_mode): New.
1904         (init_reg_sets_1): Initialize it and use it instead
1905         of allocatable_regs_of_mode.
1906         * regs.h (have_regs_of_mode): Declare it.
1907         * stor-layout.c (layout_type): Pick a mode for vector types.
1908         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
1909         build_replicated_const, do_unop, do_binop, do_plus_minus,
1910         do_negate, expand_vector_piecewise, expand_vector_parallel,
1911         expand_vector_addition, expand_vector_operations_1,
1912         expand_vector_operations, tree_lower_operations,
1913         pass_lower_vector_ssa, pass_pre_expand): New.
1914         (expand_complex_operations, pass_lower_complex): Remove.
1915         * tree-optimize.c (init_tree_optimization_passes): Adjust
1916         pass ordering for changes in tree-complex.c.
1917         * tree-pass.h: Declare new passes.
1918         * tree.c (finish_vector_type): Remove.
1919         (make_vector_type): New.
1920         (build_vector_type_for_mode, build_vector_type): Rewritten.
1921         * tree.def (VECTOR_TYPE): Document where the number of
1922         subparts is stored.
1923         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
1924         (make_vector): Remove declaration.
1925
1926 2004-07-21  Richard Henderson  <rth@redhat.com>
1927
1928         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
1929         TREE_THIS_VOLATILE, may_aliases, or optimization level.
1930         (remove_useless_vars): Dump debugging info.
1931         (expand_used_vars): Move ...
1932         * cfgexpand.c (expand_used_vars): ... here.  Make static.
1933         * tree-flow-inline.h (set_is_used): New.
1934         (set_default_def): Use get_var_ann.
1935         * tree-flow.h: Update decls.
1936         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
1937         (create_ssa_var_map): Use it.
1938         * tree-ssa.c (set_is_used): Remove.
1939
1940 2004-07-22  Ben Elliston  <bje@au.ibm.com>
1941
1942         * gdbinit.in: Set a breakpoint on internal_error.
1943
1944 2004-07-21  Richard Henderson  <rth@redhat.com>
1945
1946         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
1947         to create a new basic block.
1948
1949 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1950
1951         PR c/15052
1952         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
1953         return type on function definitions.  Move other warnings for
1954         qualified return type to -Wreturn-type.  Do not condition any such
1955         warnings on -pedantic.  Update comments.
1956         (start_function): Only copy function type from previous prototype
1957         declaration if return types are compatible.
1958         * c-typeck.c (function_types_compatible_p): Don't condition
1959         warning for incompatibility of volatile qualifiers on the return
1960         type on -pedantic.  Update comment.
1961         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1962
1963 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1964
1965         * c-typeck.c (set_init_index): Require designator to be of integer
1966         type.
1967
1968 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1969
1970         PR c/11250
1971         * c-parse.in (init): Change to exprtype.
1972         (primary): Set original_code for STRING to STRING_CST.
1973         Call maybe_warn_string_init for compound literals.
1974         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1975         (initval): Update.
1976         * c-tree.h (maybe_warn_string_init): New.
1977         (pop_init_level, process_init_element): Use struct c_expr.
1978         (struct c_expr): Update comment.
1979         * c-typeck.c (maybe_warn_string_init): New function.
1980         (digest_init): Call it.  Additional parameter strict_string.  All
1981         callers changed.
1982         (output_init_element): Likewise.
1983         (struct constructor_stack): Use struct c_expr for
1984         replacement_value.
1985         (really_start_incremental_init, push_init_level): Update.
1986         (pop_init_level): Update.  Return struct c_expr.
1987         (process_init_level): Update.  Take struct c_expr argument.
1988
1989 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1990
1991         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1992         commit.
1993
1994 2004-07-21  Eric Christopher  <echristo@redhat.com>
1995
1996         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1997         removal.
1998         * c-decl.c (pop_scope): Ditto.
1999         * calls.c (expand_call): Remove call to current_nesting_level,
2000         update comment accordingly. Remove calls to expand_start_target_temps
2001         and expand_end_target_temps.
2002         * cfgexpand.c (construct_init_block): Remove call to
2003         expand_start_bindings_and_block.
2004         (construct_exit_block): Remove call to expand_end_bindings.
2005         * expr.c (safe_from_p): Remove BIND_EXPR handling.
2006         (expand_expr_real_1): Ditto. Fix formatting.
2007         (expand_vars): Delete.
2008         * stmt.c (POPSTACK): Remove block_stack.
2009         (stmt_status): Remove x_block_stack.
2010         (block_stack): Delete.
2011         (expand_start_bindings_and_block): Ditto.
2012         (expand_start_target_temps): Ditto.
2013         (expand_end_target_temps): Ditto.
2014         (current_nesting_level): Ditto.
2015         (warn_about_unused_variables): Ditto.
2016         (expand_end_bindings): Ditto.
2017         * tree.h: Remove declarations for above.
2018
2019 2004-07-21  Steven Bosscher  <stevenb@suse.de>
2020
2021         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
2022         * rtl.c (note_insn_name): Likewise.
2023         * print-rtl.c (print_rtx): Don't print it.
2024         * cfgrtl.h (can_delete_note_p): Don't handle it.
2025         (rtl_delete_block): Likewise.
2026         * passes.c (rest_of_handle_guess_branch_prob): Remove.
2027         (rest_of_compilation): Don't call it.
2028         * predict.c (process_note_predictions, process_note_prediction,
2029         note_prediction_to_br_prob): Remove.
2030         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
2031         * stmt.c (return_prediction): Remove.
2032         (expand_value_return): Don't call it.  Don't add prediction
2033         notes for return statements.
2034
2035 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
2036
2037         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
2038         once.
2039
2040 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
2041
2042         * c-common.c (vector_types_convertible_p): Use vector types'
2043         TYPE_SIZE and TREE_TYPE instead of their mode.
2044         * convert.c (convert_to_integer): Likewise.
2045         (convert_to_vector): Likewise.
2046         * fold-const.c (fold_convert): Likewise.
2047         * varasm.c (output_constant): Likewise.
2048         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
2049         Allow a VECTOR_TYPE initializer to be made of several vectors.
2050         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
2051         of cleared and need_to_clear, and use fold_convert.
2052         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
2053         integer vectors.
2054
2055 2004-07-20  Richard Henderson  <rth@redhat.com>
2056
2057         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
2058         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
2059
2060 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
2061
2062         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
2063         enormous cost if not TARGET_HARD_MUL.
2064
2065 2004-07-20  Andrew Pinski  <apinski@apple.com>
2066
2067         PR target/16557
2068         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
2069         (ASM_SPEC): here.
2070
2071 2004-07-21  Paul brook  <paul@codesourcery.com>
2072
2073         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
2074
2075 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2076
2077         * fold-const.c (operand_equal_p): Temporarily support NULL args.
2078         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
2079         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
2080
2081 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
2082
2083         * rtl.h (plus_constant): Delete.
2084         (plus_constant_wide): Rename to plus_constant.
2085         (plus_constant_for_output_wide): Delete vestigial prototype.
2086         (GEN_INT): Remove unnecessary cast.
2087         * tree.h (build_int_2, size_int_type): Delete.
2088         (build_int_2_wide): Rename to build_int_2.
2089         (size_int_wide): Rename to size_int_kind.
2090         (size_int_type_wide): Rename to size_int_type.
2091         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
2092         Remove unnecessary cast.
2093         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
2094         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
2095         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
2096         (size_int_type_wide): Rename size_int_type.
2097         (int_const_binop): Use size_int_type.
2098         * c-lex.c (interpret_integer): Use build_int_2.
2099         * final.c (split_double): Remove unnecessary casts.
2100         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
2101
2102 2004-07-20  Richard Henderson  <rth@redhat.com>
2103
2104         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
2105         (gimplify_compound_lval): Use is_gimple_tmp_reg.
2106         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
2107         (is_gimple_tmp_reg): New.
2108         * tree-gimple.h (is_gimple_tmp_reg): Declare.
2109
2110 2004-07-20  Richard Henderson  <rth@redhat.com>
2111
2112         * tree-pretty-print.c (dump_generic_node): Dump
2113         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
2114
2115 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
2116
2117         * tree-mudflap.c (mf_set_options_fndecl): New tree.
2118         (mudflap_init): Set it.
2119         (mudflap_register_call): Remove __mf_init call.
2120         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
2121         to pass "-ignore-reads" option to libmudflap if needed.
2122
2123 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
2124
2125         PR c++/14607
2126         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
2127         (MAKE_DECL_ONE_ONLY): Undefine.
2128         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
2129         readonly_data, one_only_data_section, forget_section): New prototypes.
2130         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
2131         functions.
2132         (pa_select_section): Add one-only (COMDAT) support.
2133         * pa.h (struct machine_function): Define.
2134         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
2135         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
2136         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
2137         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
2138         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
2139         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
2140         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
2141         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
2142         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
2143         for EXTRA_SECTION_FUNCTIONS.
2144         * doc/install.texi: Update binutils requirements.
2145
2146 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2147
2148         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
2149         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
2150         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
2151         size_t.
2152         (struct VEC): Use unsigned for num and alloc.
2153         * vec.c (struct vec_prefix): Likewise.
2154         (vec_o_reserve): Adjust.
2155
2156         * dbxout.c (dbxout_type): Fix printf format.
2157
2158         * tree.h (binfo_member): Remove.
2159         * tree.c (binfo_member): Remove.
2160
2161 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2162
2163         * tree.h: Include vec.h
2164         (DEF_VEC_P(tree)): New type.
2165         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
2166         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
2167         (BINFO_LANG_SLOT): Remove.
2168         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
2169         (struct tree_binfo): Turn base_binfos into a trailing
2170         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
2171         (binfo_lang_slots): Remove.
2172         * tree.c (binfo_lang_slots): Remove.
2173         (make_tree_binfo_stat): Take a base binfo count, not a
2174         lang slot count.  Adjust.
2175         * Makefile.in (TREE_H): Add vec.h
2176         * alias.c (record_component_aliases): Adjust BINFO access.
2177         * dbxout.c (dbxout_type): Likewise.
2178         * dwarf2out.c (gen_member_die): Likewise.
2179         * sdbout.c (sdbout_one_type): Likewise.
2180         * tree-dump.c (deque_and_dump): Likewise.
2181         * config/i386/i386.c (classify_argument,
2182         contains_128bit_aligned_vector_p): Likewise.
2183         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
2184         * doc/c-tree.texi (Classes): Update BINFO documentation.
2185
2186 2004-07-20  Steven Bosscher  <stevenb@suse.de>
2187
2188         * c-common.h (check_case_value): Remove prototype.
2189         (c_add_case_label): Adjust prototype.
2190         * c-common.c (check_case_value): Make static.
2191         (check_case_bounds): New function.
2192         (c_add_case_label): Use it.  Take new argument orig_type.
2193         * c-typeck.c (struct c_switch): New orig_type field.
2194         (c_start_case): Set it.
2195         (do_case): Pass it to c_add_case_label.
2196         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
2197         cases from here.  Add the labels in reverse order.
2198         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
2199         (add_case_node): Return nothing, don't check for duplicate cases.
2200         Insert new case nodes in a list, not in an AVL tree.
2201         (expand_end_case_type): Don't turn a case tree into a case list.
2202         (case_tree2list): Remove.
2203         * tree.h (add_case_node): Adjust prototype.
2204
2205 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
2206
2207         * genattr.c (struct range, struct function_unit,
2208         write_units, extend_range, init_range): Remove them.
2209         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
2210         Output "#define INSN_SCHEDULING" here.
2211         * genattrtab.c (struct range, struct function_unit_op,
2212         struct function_unit, struct dimension, enum operator,
2213         operate_exp, expand_units, simplify_knowing,
2214         encode_units_mask, simplify_by_exploding,
2215         find_and_mark_used_attributes, unmark_used_attributes,
2216         add_values_to_cover, increment_current_value,
2217         test_for_current_value, simplify_with_current_value,
2218         simplify_with_current_value_aux, gen_unit,
2219         write_unit_name, write_function_unit_info,
2220         write_complex_function, write_toplevel_expr,
2221         find_single_value, extend_range): Remove.
2222         (write_attr_get): Do not handle common_av->value
2223         being an FFS.
2224         (struct attr_desc): Remove func_units_p and blockage_p.
2225         (write_attr_valueq): Do not handle them.
2226         (find_attr): Do not clear them.
2227         (make_internal_attr): Do not initialize them.
2228         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
2229         * sched-vis.c (init_target_units, insn_print_units,
2230         init_block_visualization, print_block_visualization,
2231         visualize_scheduled_insns, visualize_no_unit,
2232         visualize_stall_cycles, visualize_alloc,
2233         visualize_free, target_units, get_visual_tbl_length,
2234         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
2235         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
2236         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
2237         * haifa-sched.c (blockage_range, clear_units,
2238         schedule_unit, actual_hazard, potential_hazard,
2239         insn_unit, unit_last_insn, unit_tick,
2240         actual_hazard_this_instance, potential_hazard,
2241         schedule_unit, max_insn_queue_index_value): Remove.
2242         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
2243         max_insn_queue_index.
2244         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
2245         * doc/md.texi (Processor pipeline description): Remove
2246         references to old pipeline descriptions.
2247         (Automaton pipeline description): Merge with the above.
2248         (Old pipeline description, Comparison of the two descriptions):
2249         Remove.
2250
2251         * bt-load.c (migrate_btr_def): Remove references to
2252         use_pipeline_interface.
2253         * haifa-sched.c (insn_cost, schedule_insn,
2254         schedule_block, advance_one_cycle, sched_init,
2255         queue_to_ready, sched_finish): Likewise.
2256         * modulo-sched.c (sms_schedule, advance_one_cycle,
2257         ps_has_conflicts): Likewise.
2258         * sched-rgn.c (init_ready): Likewise.
2259         (debug_dependencies): Likewise, and remove an "if (1)".
2260         * target.h (use_dfa_pipeline_interface): Remove.
2261         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2262         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2263         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2264         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2265         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2266         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2267         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2268         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2269         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2270         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2271         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2272         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2273         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2274         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2275         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2276         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2277         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2278         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2279         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2280
2281 2004-07-19  Roger Sayle  <roger@eyesopen.com>
2282
2283         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
2284
2285 2004-07-19  Jeff Law  <law@redhat.com>
2286
2287         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
2288         (get_eq_expr_value): Use it.  Simplify slightly.
2289
2290 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
2291
2292         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
2293         (umulsidi3_32bit_r4000): Likewise.
2294
2295 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
2296
2297         * vec.h: Propagate location information properly.
2298         (VEC_T_iterate): Add result pointer parameter.
2299         (VEC_T_space): New.
2300         (VEC_T_reserve): Use it.
2301
2302 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
2303
2304         * Makefile.in (c-format.o): Depend on c-format.h.
2305         * c-format.h: New file.
2306         (struct format_char_info): Add CHAIN member.
2307         * c-format.c: Move some types and constants to c-format.h.
2308         (format_type_error): Set to -1.
2309         (struct function_format_info): Use an int for format_type.
2310         (decode_format_type): Return an int.  Return format_type_error
2311         on error.
2312         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
2313         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
2314         (scan_char_table, time_char_table, monetary_char_table): Initialize
2315         CHAIN to NULL.
2316         (n_format_types): New variable.
2317         (check_format_info_main): Handle CHAIN in format_char_info.
2318         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
2319         TARGET_N_FORMAT_TYPES.
2320         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
2321         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
2322         * config/sol2-c.c: New file.
2323         * config/t-sol2: New file.
2324         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
2325         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
2326         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
2327
2328         * doc/extend.texi (Target Format Checks): New section.
2329         (Function Attributes): Mention it.
2330         * doc/invoke.texi: Mention target format checks.
2331         * doc/sourcebuild.texi: Mention target format checks.
2332         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
2333         TARGET_FORMAT_TYPES.
2334
2335 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2336
2337         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
2338         added.
2339         * config/s390/s390.c (regclass_map initializer): Register 35 added to
2340         ADDR_REGS.
2341         (load_multiple_operation, store_multiple_operation): Removed
2342         pointless sanity check.
2343         (s390_decompose_address): Added check for return_address_pointer_rtx.
2344         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
2345         (s390_return_address_offset): New function.
2346         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
2347         (FRAME_REGNO_P): Added check for register 35.
2348         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
2349         REG_ALLOC_ORDER): Appended entry for register 35.
2350         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
2351         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
2352         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
2353         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
2354         is eliminable using stack pointer or hard frame pointer.
2355         (REGISTER_NAMES): Added name for register 35.
2356         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
2357         pointless sanity check.
2358
2359 2004-07-19  Roger Sayle  <roger@eyesopen.com>
2360
2361         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
2362         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
2363         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
2364         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
2365         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
2366         (fold_relational_const): Tidy up handling of floating point
2367         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
2368         transformation; fold_relational_const assumes constant operands.
2369
2370 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
2371
2372         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
2373         directory.
2374
2375 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
2376
2377         * c-tree.h (struct c_expr): Define.
2378         (C_SET_EXP_ORIGINAL_CODE): Remove.
2379         (parser_build_binary_op, build_compound_expr): Update prototypes.
2380         * c-parse.in (%union): Add exprtype.
2381         (FUNC_NAME): Mark as ttype.
2382         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
2383         exprtype.
2384         (expr): Update.  Define directly in terms of expr_no_commas
2385         instead of using nonnull_exprlist.
2386         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
2387         offsetof_member_designator, typespec_nonreserved_nonattr, init,
2388         initval, designator, component_declarator,
2389         component_notype_declarator, enumerator, array_declarator,
2390         condition, exexpr, switch_statement, stmt_nocomp, stmt,
2391         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
2392         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
2393         where appropriate.
2394         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
2395         * c-common.c (c_common_truthvalue_conversion): Don't check
2396         C_EXP_ORIGINAL_CODE.
2397         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
2398         Don't use C_EXP_ORIGINAL_CODE.
2399         (default_conversion, default_function_array_conversion): Don't use
2400         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
2401         (internal_build_compound_expr): Merge into build_compound_expr.
2402         (build_compound_expr): Take two operands instead of a TREE_LIST.
2403         * objc/objc-act.c (get_super_receiver): Update calls to
2404         build_compound_expr.
2405
2406 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2407
2408         * config/sh/sh.c (sh_use_dfa_interface): Remove.
2409         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
2410         hook_int_void_1.
2411         * config/sh/sh.md: Extract pipeline descriptions
2412         into separate files.
2413         * config/sh/sh1.md: New file, extracted from sh.md.
2414         * config/sh/sh4.md: New file, extracted from sh.md.
2415         * config/sh/shmedia.md: New file, extracted from sh.md
2416         and rewritten using new-style pipeline description.
2417
2418 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
2419
2420         * config/pa/pa.md: Delete the two remaining define_peephole
2421         patterns.
2422
2423 2004-07-18  Steven Bosscher  <stevenb@suse.de>
2424             Joseph S. Myers  <jsm@polyomino.org.uk>
2425
2426         * c-common.c (c_common_truthvalue_conversion): Don't warn if
2427         TREE_NO_WARNING is set.
2428
2429 2004-07-18  Roger Sayle  <roger@eyesopen.com>
2430
2431         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
2432         simplify_builtin_strncmp): Delete.
2433         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
2434         Change argument to accept an arglist instead of an "exp".  Assume
2435         that the return type is always integer_type_node.  Copy missing
2436         transformations from their now obsolete simplify_builtin_*
2437         equivalents.
2438         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
2439         fold_builtin_strcmp and fold_builtin_strncmp.
2440         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
2441         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
2442         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
2443
2444 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
2445
2446         * Makefile.in (tree-alias-common.o): Update dependencies.
2447
2448 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
2449
2450         * cfgloop.c (flow_loop_nested_p): Fix comment.
2451
2452 2004-07-17  Jason Merrill  <jason@redhat.com>
2453
2454         PR c++/16115
2455         * stor-layout.c (relayout_decl): New fn.
2456         * tree.h: Declare it.
2457         (DECL_BY_REFERENCE): New macro.
2458
2459 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
2460
2461         * libgcc2.c (__enable_execute_stack): New symbol.
2462         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
2463         and declare __enable_execute_stack.
2464         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
2465         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
2466         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
2467         ENABLE_EXECUTE_STACK.
2468         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
2469         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
2470         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
2471         ENABLE_EXECUTE_STACK.
2472         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
2473         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
2474         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
2475         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
2476         ENABLE_EXECUTE_STACK.
2477         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
2478         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
2479         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
2480         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
2481         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
2482         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
2483         (sparc64_initialize_trampoline): Likewise.
2484         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
2485
2486 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2487
2488         * langhooks.h (builtin_function): New langhook.
2489         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
2490         (LANG_HOOKS_INITIALIZER): Update.
2491         * tree.h (builtin_function): Remove.
2492         * doc/tm.texi: Update.
2493         * c-tree.h (builtin_function): Declare.
2494         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
2495         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
2496         config/ia64/ia64.c, config/iq2000/iq2000.c,
2497         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
2498         config/stormy16/stormy16.c: All callers of builtin_function
2499         changed.
2500
2501 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
2502
2503         PR target/16556
2504         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
2505         Remove white space after the backslash.
2506
2507 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2508
2509         PR rtl-optimization/16294
2510         * resource.c (return_insn_p): New predicate.
2511         (mark_target_live_regs): Use it.  Special-case return insns.
2512         (init_resource_info): Use it.  Don't scan the epilogue past
2513         a return.
2514
2515 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2516
2517         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
2518         destroy dominance information.
2519         * passes.c (rest_of_handle_loop2):  Free dominance information.
2520         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
2521         jump threading.
2522         (thread_jumps): Update dominance information and remove unreachable
2523         blocks.
2524         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
2525         information and remove the unreachable block.
2526
2527 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
2528
2529         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
2530
2531 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
2532
2533         * doc/sourcebuild.texi: Remove libf2c entry.
2534
2535 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
2536
2537         * config/i386/i386.md (movv16qi_internal): Fix typo.
2538
2539 2004-07-17  Steven Bosscher  <stevenb@suse.de>
2540
2541         * final.c (final_scan_insn): Fix broken commit from previous
2542         patch.
2543
2544 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2545
2546         * c-typeck.c (parser_build_binary_op): Condition warnings for
2547         X<=Y<=Z on -Wparentheses instead of -Wextra.
2548         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
2549         supported for C only.
2550
2551 2004-07-17  Steven Bosscher  <stevenb@suse.de>
2552
2553         * cfgcleanup.c (try_simplify_condjump): Don't remove line
2554         notes to avoid unreachable code warnings.
2555         * toplev.c (backend_init): Don't emit line notes for
2556         unreachable code warnings.
2557
2558         * combine.c (distribute_notes): Don't distribute a
2559         REG_VTABLE_REF note.
2560         * final.c (final_scan_insn): Don't handle it.
2561         * rtl.c (reg_note_name): Remove it.
2562         * rtl.h (enum reg_node): Dito.
2563
2564         * emit-rtl.c (force_line_numbers, restore_line_number_status):
2565         Remove.
2566         * rtl.h (force_line_numbers, restore_line_number_status):
2567         Remove prototypes.
2568
2569         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
2570         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
2571         (using_eh_for_cleanups): Also moved here.
2572
2573         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
2574         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
2575         to expand_start_case and add_case_node.
2576         * stmt.c (struct nesting): Cleanup unused fields condition_code,
2577         last_unconditional_cleanup, nominal_type, printname, and
2578         line_number_status.
2579         (struct fixup_goto): Remove.
2580         (struct stmt_status): Remove x_goto_fixup_chain field.
2581         (goto_fixup_chain): Remove.
2582         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
2583         pushcase, pushcase_range): Remove.
2584         (expand_start_bindings_and_block): Don't set unused fields in
2585         the nesting stack.
2586         (expand_start_case, add_case_node): Cleanup unused formal arguments.
2587         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
2588         instead of emit_jump_if_reachable.
2589         (emit_case_nodes): Likewise.
2590         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
2591         static.
2592         (update_eh_label): Work around left-over exception handing regions.
2593         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
2594         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
2595         (pass_cleanup_cfg_post_optimizing): New pass.
2596         (init_tree_optimization_passes): Run the new pass after all
2597         optimizations.
2598         * tree.h (pushcase, pushcase_range): Remove prototypes.
2599         (expand_start_case, add_case_node): Update prototypes.
2600
2601 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
2602
2603         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
2604
2605 2004-07-16  Richard Henderson  <rth@redhat.com>
2606
2607         * builtins.c (std_expand_builtin_va_arg): Remove.
2608         (expand_builtin_va_arg): Remove.
2609         * expr.h: Don't declare them.
2610         * gimplify.c (mark_decls_volatile_r): Remove.
2611         (copy_if_shared_r): Don't call it.
2612         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
2613         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
2614         * gimple-low.c (lower_stmt): Likewise.
2615         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
2616         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
2617         * tree-ssa-operands.c (get_expr_operands): Likewise.
2618         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
2619         EXPAND_BUILTIN_VA_ARG.
2620         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
2621         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
2622         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
2623         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2624
2625 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2626
2627         * tree-ssa-pre.c (insert_aux): Break out if we hit
2628         a critical edge.
2629
2630 2004-07-16  Richard Henderson  <rth@redhat.com>
2631
2632         * basic-block.h (remove_fake_exit_edges): Declare.
2633         * cfganal.c (remove_fake_predecessors): Rename from
2634         remove_fake_successors; iterate over predecessors.
2635         (remove_fake_exit_edges): New.
2636         * cfgcleanup.c (try_optimize_cfg): Use it.
2637         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
2638         * predict.c (estimate_probability): Likewise.
2639         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
2640         * tree-cfg.c (make_edges): Likewise.
2641         * tree-ssa-pre.c (fini_pre): Likewise.
2642         * profile.c (instrument_edges): Don't remove_fake_edges.
2643         (branch_prob): Do it earlier here.
2644
2645 2004-07-16  Richard Henderson  <rth@redhat.com>
2646
2647         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
2648         switchification wrt CONSTRUCTOR.  Document the reason.
2649
2650 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
2651
2652         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
2653         that prevented descriptive __mf_check source location strings.
2654
2655 2004-07-16  Richard Henderson  <rth@redhat.com>
2656
2657         * tree-def (WITH_SIZE_EXPR): New.
2658         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
2659         * expr.c (expand_expr_real_1): Likewise.
2660         * gimplify.c (maybe_with_size_expr): New.
2661         (gimplify_arg, gimplify_modify_expr): Use it.
2662         (gimplify_modify_expr_to_memcpy): Take size parameter.
2663         (gimplify_modify_expr_to_memset): Likewise.
2664         (gimplify_expr): Handle WITH_SIZE_EXPR.
2665         * tree-alias-common.c (find_func_aliases): Likewise.
2666         * tree-eh.c (tree_could_trap_p): Likewise.
2667         (tree_could_throw_p): Likewise.
2668         * tree-gimple.c (is_gimple_lvalue): Likewise.
2669         (get_call_expr_in): Likewise.
2670         * tree-inline.c (estimate_num_insns_1): Likewise.
2671         (expand_calls_inline): Likewise.
2672         * tree-nested.c (convert_call_expr): Likewise.
2673         * tree-pretty-print.c (dump_generic_node): Likewise.
2674         * tree-sra.c (sra_walk_expr): Likewise.
2675         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2676         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
2677         * tree-ssa-operands.c (get_expr_operands): Likewise.
2678         * tree-tailcall.c (find_tail_calls): Likewise.
2679
2680         * calls.c (expand_call): Reset old_stack_allocated after
2681         calling emit_stack_restore.
2682
2683 2004-07-16  Richard Henderson  <rth@redhat.com>
2684
2685         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
2686         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2687         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2688         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
2689         copy_res_decl_for_inlining.
2690
2691         * tree-inline.c (declare_return_variable): New modify_dest argument.
2692         Use it as the return value, when possible or manditory.  Handle
2693         TREE_ADDRESSABLE types.
2694         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
2695         replacement of CALL_EXPR.
2696
2697 2004-07-16  Richard Henderson  <rth@redhat.com>
2698
2699         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
2700         * gimple-low.c (expand_var_p): Don't check it.
2701         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
2702         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
2703         * tree-ssa-operands.c (add_stmt_operand): Likewise.
2704         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
2705         (find_referenced_vars): Don't call them.
2706         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
2707
2708 2004-07-16  Richard Henderson  <rth@redhat.com>
2709
2710         * function.c (pass_by_reference): True for all variable sized types.
2711
2712 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
2713
2714         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
2715         * tree-pretty-print.c: Include tree-chrec.h.
2716         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
2717         and POLYNOMIAL_CHREC nodes.
2718
2719 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
2720
2721         * builtins.c (expand_builtin_stpcpy): Do not create temporary
2722         reg with VOIDmode.
2723
2724 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2725
2726         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
2727
2728 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2729
2730         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
2731         to BASE_REGNUM.
2732         * config/s390/s390.c: Likewise.
2733         * config/s390/s390.h: Likewise.
2734
2735 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2736
2737         * config/mips/mips.md (addsi3, adddi3): Remove special handling
2738         of $sp adds.  Remove REGNO checks from mips16 patterns.
2739
2740 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2741
2742         * config/mips/mips.md: Delete outdated comment.
2743
2744 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2745
2746         * config/mips/mips.c (get_float_compare_codes): Delete.
2747         (mips_emit_compare): New function, mostly extracted from
2748         get_float_compare_codes and gen_conditional_branch.
2749         (gen_conditional_branch, gen_conditional_move): Use it.
2750
2751 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2752
2753         * genautomata.c (add_vect): Speedup by using integers as
2754         bit-vectors for walking through the comb_vect and finding
2755         a match.
2756
2757 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2758
2759         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
2760         operand is an uns_arith_operand; use subtraction otherwise.
2761         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
2762         not just arith_operands.
2763
2764 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2765
2766         * config/mips/mips-protos.h (gen_int_relational): Delete.
2767         (mips_emit_scc): Declare.
2768         * config/mips/mips.c (internal_test): Delete.
2769         (sle_operand, sleu_operand): New functions.
2770         (map_test_to_internal_test, gen_int_relational): Delete.
2771         (mips_emit_binary, mips_relational_operand_ok_p)
2772         (mips_emit_int_relational, mips_zero_if_equal)
2773         (mips_emit_scc): New functions.
2774         (gen_conditional_branch): Rework to use mips_emit_int_relational.
2775         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
2776         sleu_operand.
2777         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2778         (sltu, sleu): Use mips_emit_scc.
2779         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
2780         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
2781         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
2782
2783 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2784
2785         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
2786
2787 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2788
2789         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
2790         (*sne_[sd]i): Likewise sne_[sd]i_zero.
2791         (*sgt_[sd]i): ...and sgt_[sd]i.
2792         (*slt_[sd]i): ...and slt_[sd]i.
2793         (*sgtu_[sd]i): ...and sgtu_[sd]i.
2794         (*sltu_[sd]i): ...and sltu_[sd]i.
2795         (*sleu_[sd]i): ...and sleu_[sd]i_const.
2796         Name previously unnamed mips16 patterns.  Formatting fixes.
2797
2798 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2799
2800         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
2801         (branch_type): Delete.
2802         (gen_conditional_branch, gen_conditional_move)
2803         (mips_gen_conditional_trap): Update after name change.  Get the
2804         comparison mode from cmp_operands[0].
2805         * config/mips/mips.h (cmp_type, branch_type): Delete.
2806         (cmp_operands): Renamed from branch_cmp.
2807         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
2808         name change.  Don't set branch_type.
2809         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
2810         mode class of cmp_operands[0] rather than branch_type.  Update after
2811         name change.
2812
2813 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2814
2815         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
2816         of 0...255 to 0 when inside a SET.
2817
2818 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2819
2820         * config/mips/mips.md: Remove mips16 define_peepholes.
2821
2822 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2823
2824         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
2825         (fini_pre): Remove fake edges.
2826
2827 2004-07-15  Richard Henderson  <rth@redhat.com>
2828
2829         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
2830         (get_indirect_ref_operands, get_call_expr_operands): ... these.
2831
2832 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2833
2834         * vec.h (VEC_address): New function.
2835
2836 2004-07-14  Jason Merrill  <jason@redhat.com>
2837
2838         PR middle-end/15885
2839         * gimplify.c (gimplify_arg): New fn, split out from...
2840         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
2841
2842 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2843
2844         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
2845         generate code which is generated by pushqi1 now
2846         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
2847
2848 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2849
2850         * combine.c (simplify_set): match the mode of the constant 0 with
2851         the tested operand to match the compare behaviour and the
2852         simplify_relational_operation() expectation.
2853
2854 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2855
2856         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
2857         ("bordered"): Same.
2858
2859 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2860
2861         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
2862         unconditionally.
2863         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
2864
2865 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2866
2867         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
2868         calls in mips16 code.
2869
2870 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2871
2872         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
2873         the destination of the li as well as for the neg.
2874
2875 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
2876
2877         g++/15861
2878         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
2879         * cgraph.h: Update declaration.
2880         * c-decl.c (build_cdtor): Update call with default priority.
2881         * coverage.c (create_coverage): Ditto.
2882         * tree-mudflap.c (mf_init_fndecl): New tree.
2883         (mudflap_init): Set it.
2884         (mudflap_register_call): Arrange to call __mf_init before the first
2885         __mf_register call.
2886         (mudflap_finish_file): Mark the mudflap static initializer as extra
2887         high priority, to beat all C++ static constructors.
2888
2889 2004-07-15  Jeff Law  <law@redhat.com>
2890
2891         * loop.c (check_insn_for_givs): Restore check for code labels that was
2892         accidentally deleted by a recent checkin.
2893
2894 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2895
2896         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
2897         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
2898
2899 2004-07-14  Richard Henderson  <rth@redhat.com>
2900
2901         * print-tree.c (print_node): Fix casts last change.
2902
2903 2004-07-15  Paul Brook  <paul@codesourcery.com>
2904
2905         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
2906         to TARGET_UNWIND_INFO.
2907         * except.c (output_function_exception_table): Ditto.
2908         * except.h: Ditto.
2909         * opts.c (decode_options): Ditto.
2910         * passes.c (rest_of_handle_final): Ditto.
2911         * final.c (final_start_function): Ditto.
2912         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
2913         target hook.
2914         * targhooks.h (default_unwind_emit): Declare.
2915         * targhooks.c (default_unwind_emit): New function.
2916         * target-def.h: Define and use TARGET_UNWIND_EMIT.
2917         * target.h (struct gcc_target): Add unwind_emit.
2918         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
2919         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
2920         Remove IA64_UNWIND_EMIT.
2921         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
2922
2923 2004-07-14  Richard Henderson  <rth@redhat.com>
2924
2925         * print-tree.c (print_node): Handle SSA_NAME.
2926
2927 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2928
2929         PR target/16325
2930         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
2931         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
2932
2933 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
2934
2935         * expr.c (expand_assignment): Reenable bitfield += optimizations.
2936         Use alias set 0 for memory, do proper mode calculations and adjust
2937         address for memories.
2938
2939 2004-07-14  Per Bothner  <per@bothner.com>
2940
2941         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
2942         structure with extra column field.
2943         * tree.c (expand_location):  Also fill in column field.
2944         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
2945         gets confused by the two conditionally-compiled definitions.
2946
2947 2004-07-14  Eric Christopher  <echristo@redhat.com>
2948
2949         * calls.c (expand_call): Fix typo in comment.
2950
2951 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
2952
2953         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
2954         comparision of TFmode.
2955
2956 2004-07-14  Richard Henderson  <rth@redhat.com>
2957
2958         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
2959         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
2960         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2961         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2962         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2963         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2964         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2965         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2966         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2967
2968 2004-07-14  Mike Stump  <mrs@apple.com>
2969
2970         * config/darwin.h (WINT_TYPE): Define to be int to match
2971         system header files.
2972
2973 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2974
2975         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2976         that must be passed in the stack.
2977         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2978         arguments if the size is not a constant.
2979
2980 2004-07-14  Per Bothner  <per@bothner.com>
2981
2982         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2983         instead of EXPR_LOCUS in a boolean context, which is always true
2984         if --enable-mapped-location.
2985         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2986
2987 2004-07-14  Richard Henderson  <rth@redhat.com>
2988
2989         * dominance.c (struct dom_info): Add fake_exit_edge.
2990         (init_dom_info): Allocate it.
2991         (free_dom_info): Free it.
2992         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2993         in two passes.
2994         (calc_idoms): Honor fake_exit_edge.
2995
2996 2004-07-13  Jason Merrill  <jason@redhat.com>
2997
2998         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2999         (rhs_test_for): New fn.
3000         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
3001         * tree-gimple.h: Declare them.
3002         * gimplify.c (gimplify_modify_expr): Use the new fns.
3003
3004 2004-07-14  Richard Henderson  <rth@redhat.com>
3005
3006         * config/arm/arm-protos.h (arm_va_arg): Remove.
3007         * config/arm/arm.c (arm_va_arg): Remove.
3008         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
3009         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
3010
3011 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3012
3013         * pa.c (fix_range): New function to mark a range(s) of registers as
3014         fixed registers.
3015         (override_options): Call fix_range if the -mfixed-range option string
3016         is not empty.
3017         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
3018         * doc/invoke.texi (-mfixed-range): Document new option.
3019
3020 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
3021
3022         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
3023         for TARGET_64BIT.
3024         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
3025
3026 2004-07-14  Roger Sayle  <roger@eyesopen.com>
3027
3028         * expmed.c (expand_sdiv_pow2): New function to expand signed division
3029         by a positive power of two, split out from expand_divmod.  Provide
3030         an alternate implementation when shifts are expensive.  Lower the
3031         threshold for using a branchless implementation to BRANCH_COST >= 2.
3032         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
3033
3034 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3035
3036         * tree-dfa.c (make_rename_temp): *Really* work just
3037         like create_tmp_var if called while outside SSA form.
3038
3039 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3040
3041         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
3042         for division by zero.
3043         ("umodsi3"): Likewise.
3044
3045 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3046
3047         * config/mips/mips.c (mips_output_move): When generating mips16 code,
3048         force loads of negative constants to be split.
3049         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
3050         Generalize SImode li/neg splitter to cope with other modes.
3051
3052 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3053
3054         * expmed.c: Remove more references to QUEUED in the comments.
3055         * expr.c: Likewise.
3056
3057 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3058
3059         Revert:
3060         2004-07-13  Richard Henderson  <rth@redhat.com>
3061         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
3062         correctly.
3063
3064 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3065
3066         * tree-dfa.c (make_rename_temp): Work just like
3067         create_tmp_var if called while outside SSA form.
3068
3069 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3070
3071         * expr.c (enqueue_insn, finish_expr_for_function,
3072         protect_from_queue, queued_subexp_p, mark_queue,
3073         emit_insns_enqueued_after_mark, emit_queue,
3074         expand_increment): Remove.
3075         (store_constructor): Expand increment as an assignment.
3076         (expand_expr_real_1 <case PREINCREMENT_EXPR,
3077         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
3078         case POSTDECREMENT_EXPR>): Abort.
3079         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
3080         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
3081         protect_from_queue, emit_queue, queued_subexp_p): Remove.
3082         * function.h (pending_chain, x_pending_chain): Remove.
3083         * rtl.def (QUEUED): Remove.
3084
3085         * emit-rtl.c (copy_insn_1, copy_most_rtx,
3086         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
3087         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
3088         encode_units_mask): Likewise.
3089         * local-alloc.c (equiv_init_varies_p): Likewise.
3090         * rtl.c (copy_rtx): Likewise.
3091         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3092         * simplify-rtx.c (simplify_gen_subreg): Likewise.
3093         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
3094
3095         * builtins.c (expand_builtin, expand_builtin_apply,
3096         expand_builtin_mathfn, expand_builtin_mathfn_2,
3097         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
3098         Remove calls to emit_queue and protect_from_queue.
3099         * calls.c (expand_call, precompute_arguments,
3100         precompute_register_parameters, rtx_for_function_call,
3101         store_one_arg): Likewise.
3102         * dojump.c (do_compare_and_jump, do_jump): Likewise.
3103         * explow.c (memory_address): Likewise.
3104         * expmed.c (clear_by_pieces_1, clear_storage,
3105         clear_storage_via_libcall, emit_group_load,
3106         emit_group_store, emit_store_flag,
3107         expand_expr_real_1, store_by_pieces,
3108         store_constructor, store_expr, try_casesi,
3109         try_tablejump): Likewise.
3110         * function.c (expand_pending_sizes): Likewise.
3111         * optabs.c (emit_cmp_and_jump_insns,
3112         emit_conditional_add, emit_conditional_move,
3113         expand_fix, expand_float, prepare_cmp_insn): Likewise.
3114         * stmt.c (emit_case_bit_tests,
3115         expand_asm_expr, expand_computed_goto,
3116         expand_decl_init, expand_end_case_type,
3117         expand_end_stmt_expr, expand_expr_stmt_value,
3118         expand_return, expand_start_case,
3119         optimize_tail_recursion): Likewise.
3120         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3121         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
3122
3123 2004-07-14  Ben Elliston  <bje@au.ibm.com>
3124
3125         * vec.h: Comment fix.
3126
3127 2004-07-13  Richard Henderson  <rth@redhat.com>
3128
3129         * target.h (struct gcc_target): Add calls.pass_by_reference.
3130         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
3131         * function.c (pass_by_reference): Use the hook.
3132         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
3133         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
3134         (hook_pass_by_reference_must_pass_in_stack): New.
3135         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
3136         (alpha_pass_by_reference): New.
3137         (TARGET_PASS_BY_REFERENCE): New.
3138         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3139         * config/arc/arc.c (arc_pass_by_reference): New.
3140         (TARGET_PASS_BY_REFERENCE): New.
3141         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3142         (FUNCTION_ARG_CALLEE_COPIES): True.
3143         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
3144         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
3145         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
3146         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3147         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3148         * config/cris/cris.c (cris_pass_by_reference): New.
3149         (TARGET_PASS_BY_REFERENCE): New.
3150         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
3151         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
3152         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3153         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
3154         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3155         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
3156         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
3157         (frv_function_arg_pass_by_reference): Remove.
3158         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3159         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
3160         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
3161         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
3162         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3163         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
3164         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
3165         (ia64_pass_by_reference): Rename from
3166         ia64_function_arg_pass_by_reference.
3167         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3168         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3169         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
3170         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
3171         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
3172         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3173         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3174         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
3175         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
3176         (m32r_pass_by_reference): Adjust prototype.  Make static.
3177         Handle mode sizes correctly.
3178         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3179         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
3180         (m68hc11_function_arg_pass_by_reference): Remove.
3181         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3182         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3183         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
3184         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3185         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
3186         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
3187         (mips_va_arg): Use pass_by_reference.
3188         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
3189         Handle mode sizes correctly.
3190         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3191         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3192         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
3193         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
3194         (mmix_pass_by_reference): Rename from
3195         mmix_function_arg_pass_by_reference.
3196         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3197         (FUNCTION_ARG_CALLEE_COPIES): True.
3198         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
3199         (mn10300_pass_by_reference): New.
3200         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3201         (FUNCTION_ARG_CALLEE_COPIES): True.
3202         * config/pa/pa.c (pa_pass_by_reference): New.
3203         (TARGET_PASS_BY_REFERENCE): New.
3204         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3205         (FUNCTION_ARG_CALLEE_COPIES): True.
3206         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
3207         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
3208         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
3209         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3210         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
3211         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
3212         (s390_pass_by_reference): Rename from
3213         s390_function_arg_pass_by_reference.
3214         (s390_function_arg_advance): Don't query pass-by-ref.
3215         (s390_function_arg): Likewise.
3216         (s390_gimplify_va_arg): Use pass_by_reference.
3217         (s390_call_saved_register_used): Likewise.
3218         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3219         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
3220         (shcompact_byref, sh_pass_by_reference): New.
3221         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3222         (SHCOMPACT_BYREF): Remove.
3223         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
3224         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
3225         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
3226         (sparc_gimplify_va_arg): Use pass_by_reference.
3227         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3228         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3229         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
3230         (v850_pass_by_reference): New.
3231         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3232         (FUNCTION_ARG_CALLEE_COPIES): True.
3233         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
3234         FUNCTION_ARG_PASS_BY_REFERENCE docs.
3235
3236 2004-07-14  Richard Henderson  <rth@redhat.com>
3237             Richard Sandiford  <rsandifo@redhat.com>
3238
3239         * config/mips/mips-protos.h (mips_va_arg): Delete.
3240         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
3241         * config/mips/mips.c: Include tree-gimple.h.
3242         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
3243         (mips_arg_info): Remove special handling of must_pass_in_stck args.
3244         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
3245         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
3246
3247 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
3248
3249         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
3250         arguments for COND_EXPR in big-endian adjustment code.
3251
3252 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3253
3254         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
3255         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
3256         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
3257         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
3258
3259 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
3260
3261         PR tree-optimization/16443
3262         * tree-ssa-alias.c: Add more description for
3263         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
3264         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
3265         clobbering of call-clobbered and addressable variables.  If
3266         there are any before aliases have been computed, add them.
3267
3268 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
3269
3270         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
3271         verification.
3272
3273 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
3274
3275         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
3276         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
3277         to the same type.
3278
3279 2004-07-13  Per Bothner  <per@bothner.com>
3280
3281         * collect2.c (main):  Handle --no-demangle and --demangle flags.
3282
3283 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
3284
3285         * Makefile.in (OBJS-common): Add tree-data-ref.o.
3286         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
3287         (tree-data-ref.o): New rule.
3288         * lambda.h: New file.
3289         * tree-data-ref.c: New file.
3290         * tree-data-ref.h: New file.
3291         * tree.c (int_cst_value, tree_fold_gcd): New functions.
3292         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
3293
3294 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3295
3296         PR target/13926
3297         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
3298         * config/sparc/sparc.c (output_ubranch): New function.
3299         * config/sparc/sparc.md (jump pattern): Use it.
3300
3301 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3302
3303         PR target/16494
3304         * config/sparc/sparc.c (output_cbranch): Properly guard
3305         the code handling far branches with TARGET_V9.
3306         * config/sparc/sparc.md (length attribute): Document the
3307         side-effect of having a length greater or equal to 3.
3308
3309 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3310             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
3311
3312         PR target/15186
3313         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
3314         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
3315
3316 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3317             Martin Sebor  <sebor@roguewave.com>
3318
3319         PR target/12602
3320         * doc/invoke.texi (SPARC options): Document -threads
3321         and -pthreads on Solaris.
3322
3323 2004-07-13  Richard Henderson  <rth@redhat.com>
3324
3325         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
3326         by reference.
3327         (ind_gimplify_va_arg_expr): Remove.
3328         * tree.h (ind_gimplify_va_arg_expr): Remove.
3329         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
3330         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
3331         argsp to be null.
3332
3333         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
3334         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
3335         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
3336         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
3337         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
3338
3339 2004-07-13  Richard Henderson  <rth@redhat.com>
3340
3341         * function.c (pass_by_reference): New.
3342         (assign_parm_find_data_types): Use it.
3343         * calls.c (initialize_argument_information): Likewise.
3344         (emit_library_call_value_1): Likewise.
3345         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3346         * function.h (pass_by_reference): Declare.
3347
3348 2004-07-13  Richard Henderson  <rth@redhat.com>
3349
3350         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
3351         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
3352         * expr.h (MUST_PASS_IN_STACK): Remove.
3353         * system.h (MUST_PASS_IN_STACK): Poison.
3354         * tree.h (must_pass_in_stack_var_size): Declare.
3355         (must_pass_in_stack_var_size_or_pad): Declare.
3356         * calls.c (must_pass_in_stack_var_size): New.
3357         (must_pass_in_stack_var_size_or_pad): Rename from
3358         default_must_pass_in_stack.
3359         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
3360         (TARGET_MUST_PASS_IN_STACK): New.
3361         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
3362         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
3363         (TARGET_MUST_PASS_IN_STACK): New.
3364         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
3365         * config/frv/frv.c (frv_must_pass_in_stack): New.
3366         (TARGET_MUST_PASS_IN_STACK): New.
3367         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
3368         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
3369         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
3370         (ix86_must_pass_in_stack): Make static.
3371         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
3372         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
3373         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
3374         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
3375         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
3376         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
3377         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
3378         (mcore_must_pass_on_stack): Remove.
3379         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
3380         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
3381         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
3382         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
3383         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
3384         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
3385         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
3386         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
3387         (TARGET_MUST_PASS_IN_STACK): New.
3388         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
3389         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
3390         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
3391         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
3392         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
3393         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
3394         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
3395         MUST_PASS_IN_STACK.
3396
3397         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
3398         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
3399         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
3400         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
3401         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
3402         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
3403         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
3404         config/xtensa/xtensa.c: Use target hook.
3405
3406 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
3407
3408         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
3409         * configure: Rebuilt.
3410
3411 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
3412
3413         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
3414         * config/mips/mips.h (mips_reg_names): Don't declare.
3415         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
3416         (TARGET_NAME_REGS): Delete.
3417         (TARGET_SWITCHES): Remove -mrnames.
3418         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
3419         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
3420         in REGISTER_NAMES.
3421         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
3422         (override_options): Remove handling of TARGET_NAME_REGS.
3423
3424 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
3425
3426         * config/mips/mips.h (TARGET_*): Boolify.
3427
3428 2004-07-12  Nick Clifton  <nickc@redhat.com>
3429
3430         * config.gcc: Add sh-*-symbianelf target.
3431         * config/sh/sh.c: Add new target macros:
3432         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
3433         TARGET_CXX_IMPORT_EXPORT_CLASS.
3434         (sh_file_start): Create a definition of the .directive section.
3435         (sh_attribute): Add dllimport and dllexport attributes.
3436         * config/sh/symbian-pre.h: New file.
3437         * config/sh/symbian-post.h: New file.
3438         * config/sh/symbian.c: New file. Contains Symbian specific
3439         functions.
3440         * config/sh/sh-protos.h: Add prototypes for new functions
3441         provided by symbian.c.
3442         * config/sh/t-symbian: New file.
3443         * doc/extend.texi: Document support for dllimport and dllexport
3444         attributes by the sh-symbianelf target.
3445
3446 2004-07-12  James E Wilson  <wilson@specifixinc.com>
3447
3448         * Makefile.in (AR): Use @AR@ not ar.
3449         (NM): New.
3450         (AR_FOR_TARGET): Use $(AR) not ar for native.
3451         (NM_FOR_TARGET): Use $(NM) not nm for native.
3452         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
3453         * configure: Regenerate.
3454
3455 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
3456
3457         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
3458         special case.
3459         (ashldi3_sp64): Likewise.
3460
3461 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3462
3463         PR target/16477
3464         * pa.c (function_arg): Update comment.
3465         * pa.h (BLOCK_REG_PADDING): Define.
3466
3467 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3468
3469         PR tree-optimization/16461
3470         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
3471         arguments of phi nodes.
3472
3473 2004-07-12  Devang Patel  <dpatel@apple.com>
3474
3475         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
3476
3477 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
3478
3479         * function.c (expand_function_start): Ensure r_save is in Pmode.
3480         * calls.c (prepare_call_address): Ensure static_chain_value is
3481         in Pmode.
3482         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
3483         r_save_area are in Pmode.
3484         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
3485         fnaddr, and static_chain are in Pmode.
3486
3487 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
3488
3489         PR target/16445
3490         * config/ia64/ia64.c (bundling): Don't count ignored insns.
3491
3492 2004-07-12  Richard Henderson  <rth@redhat.com>
3493
3494         * target.h (struct gcc_target): Move gimplify_va_arg_expr
3495         next to build_builtin_va_list.
3496         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
3497         * builtins.c (gimplify_va_arg_expr): Likewise.
3498         * gimplify.c (copy_if_shared_r): Likewise.
3499
3500 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
3501
3502         * passes.c (rest_of_decl_compilation): Don't defer call of
3503         assemble_variable if its DECL_RTL is already set.
3504
3505 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
3506
3507         * cfgloop.h (struct loop): Add nb_iterations field.
3508         (current_loops): Declare.
3509         * tree-chrec.c (chrec_not_analyzed_yet,
3510         chrec_dont_know, chrec_known, count_ev_in_wider_type,
3511         chrec_contains_symbols_defined_in_loop): Remove the temporary
3512         hooks.
3513         * tree-flow-inline.h (loop_containing_stmt): New function.
3514         * tree-scalar-evolution.c: Add implementation.
3515         * tree-scalar-evolution.h: Add declarations.
3516
3517 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
3518
3519         PR rtl-optimization/15921
3520         * Makefile.in (global.o): Add recog.h.
3521
3522         * global.c (recog.h): Add the include-clause.
3523         (bb_info): New member earlyclobber.
3524         (allocate_bb_info, free_bb_info): Initialize/finish the new
3525         member.
3526         (earlyclobber_regclass, earlyclobber_regclass_length): The new
3527         global variables.
3528         (check_earlyclobber, regclass_intersect,
3529         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
3530         New functions.
3531         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
3532         (make_accurate_live_analysis): Modify pavin.
3533
3534 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
3535
3536         * tree-cfg.c (find_taken_edge): Statically compute the truth
3537         value of a predicate comparing an SSA_NAME to itself.
3538
3539 2004-07-12  Roger Sayle  <roger@eyesopen.com>
3540
3541         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
3542         rs6000 doesn't have shift-and-add or shift-and-sub instructions
3543         by returning the cost of a multiplication plus an addition.
3544
3545 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
3546
3547         PR tree-optimization/14107
3548         * gimplify.c (gimplify_return_expr): Accept a
3549         RETURN_EXPR with an error argument.
3550         * tree-optimize.c (init_tree_optimization_passes):
3551         Run pass_warn_function_return at -O0.
3552
3553 2004-07-12  Roger Sayle  <roger@eyesopen.com>
3554
3555         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
3556         index entry.
3557
3558 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
3559
3560         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
3561         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3562         * config/mips/3000.md: Add copyright notice.  Remove automota and
3563         function units; use generic ones instead.  Only define reservations
3564         for things that are different from generic.md.  Extend each clause
3565         to include r3900.
3566         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
3567         * config/mips/mips.md: Include them. Remove define_function_units.
3568         (alu, imuldiv): New automata and units.
3569
3570 2004-07-12  Ben Elliston  <bje@au.ibm.com>
3571
3572         * doc/invoke.texi (Optimize Options): Document -frename-registers
3573         not being enabled by default at -O3.
3574
3575 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3576
3577         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
3578         floating point additions, to keep real immediate constant positive.
3579         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
3580         into X + C, and leave positive real constants as X - C.
3581
3582 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3583
3584         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
3585
3586 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3587
3588         PR tree-optimization/15654
3589         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
3590
3591 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3592
3593         * builtins.c (fold_builtin_fputs): Don't bother converting the
3594         return type to integer_type_node, as we've already checked that
3595         the result will be ignored.
3596
3597         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
3598         that signed addition, subtraction, multiplication, division,
3599         remainder, negation and absolute value may potentially trap.
3600
3601         * fold-const.c (fold_ignored_result): New function to strip
3602         non-side-effecting tree nodes from an expression whose result
3603         is ignored.
3604         (fold_convert): Call fold_ignored_result when casting a value
3605         to VOID_TYPE.
3606         (omit_one_operand):  Call fold_ignored_result on the "omitted"
3607         operand when building a COMPOUND_EXPR.
3608         (pedantic_omit_one_operand): Likewise.
3609         * tree.h (fold_ignored_result): Prototype here.
3610         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
3611         when we're going to ignore the result.
3612
3613 2004-07-11  Richard Henderson  <rth@redhat.com>
3614
3615         PR tree-opt/16383
3616         * tree-ssa-ccp.c (fold_stmt_r): Split out...
3617         * tree.c (fields_compatible_p, find_compatible_field): ... new.
3618         * tree.h (fields_compatible_p, find_compatible_field): Declare.
3619         * tree-sra.c (sra_hash_tree): Hash fields by offset.
3620         (sra_elt_eq): Use fields_compatible_p.
3621         (generate_one_element_ref): Use find_compatible_field.
3622
3623 2004-07-11  Richard Henderson  <rth@redhat.com>
3624
3625         PR tree-opt/16422
3626         * tree-sra.c (generate_one_element_init): New.
3627         (generate_element_init): Use it.
3628         (scalarize_init): Push/pop gimplify context around it.
3629         (find_new_referenced_vars_1, find_new_referenced_vars): New.
3630         * gimplify.c (gimplify_expr): Allow SSA_NAME.
3631
3632 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3633
3634         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
3635         combine.c's combine_insn_cost.
3636         * rtl.h (insn_rtx_cost): Prototype here.
3637         * combine.c (combine_insn_cost): Delete function.
3638         (combine_validate_cost): Update callers of combine_insn_cost to
3639         call insn_rtx_cost instead.
3640         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
3641         requesting the rtx_cost of call and/or jump instructions.
3642
3643         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
3644         rtx_cost directly.  Don't request/use the cost of call or jump
3645         instructions.  Return -1 if the cost of any instruction can't be
3646         determined (or the BB contains a function call).
3647         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
3648         -1 (i.e. can't determine the cost of any instruction or the basic
3649         block contains a subroutine call).
3650         (find_if_case_2): Likewise.
3651
3652 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3653
3654         * rs6000.c (struct processor_costs): Change semantics of fields to
3655         include the COST_N_INSNS scaling, and update all initializers.
3656         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
3657         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
3658         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
3659         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
3660
3661 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3662
3663         * LANGUAGES: Remove obsolete information.
3664
3665 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3666
3667         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
3668         SIGBUS signal frames, the PSW address points *to* the faulting
3669         instruction, not after it.
3670
3671 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3672
3673         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
3674         added to TLS symbol addresses.
3675
3676 2004-07-11  Richard Henderson  <rth@redhat.com>
3677
3678         * expmed.c (init_expmed): Use stack-local structures for
3679         temporary rtl.  Don't recognize shifts.
3680
3681 2004-07-11  Richard Henderson  <rth@redhat.com>
3682
3683         * expr.c (store_expr): Don't fiddle subreg promotion for types
3684         with precision smaller than the mode.
3685
3686 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3687
3688         * tree.h (all_types_permanent): Remove.
3689
3690 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3691
3692         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
3693         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
3694         * langhooks.c (lhd_clear_binding_stack): Remove.
3695         * langhooks-def.h (lhd_clear_binding_stack,
3696         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3697         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
3698         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
3699         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3700         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
3701         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3702         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
3703         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3704         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
3705         * tree.h (poplevel): Don't declare.
3706         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
3707         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3708         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
3709         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
3710         Remove.
3711
3712 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3713
3714         PR tree-optimization/16437
3715         * c-common.c (shorten_compare): Don't mark result of conversion to
3716         narrower signed type as overflowing.
3717         * fold-const.c (decode_field_reference): Determine whether
3718         signedness comes from outer type using precision rather than size.
3719
3720 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3721
3722         * configure.ac:  Alphabetize --enable-checking list, add
3723         missing valgrind entry.
3724         * configure:  Regenerate.
3725
3726 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3727
3728         * doc/install.texi (Testing):  Fix syntax in "make check" example.
3729
3730 2004-07-10  James E Wilson  <wilson@specifixinc.com>
3731
3732         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
3733
3734 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3735
3736         PR rtl-optimization/16001
3737         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
3738         niter_expr.
3739
3740 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
3741
3742         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
3743
3744 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
3745             James Morrison  <phython@gcc.gnu.org>
3746
3747         * doc/contrib.texi (Contributors): Add gfortran contributors and
3748         fix a couple of typos.
3749
3750 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3751
3752         PR rtl-optimization/15387
3753         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
3754         to incoming args space correctly.
3755
3756 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3757
3758         * pa.c (output_indirect_call): Only use %r2 as the link register in
3759         indirect calls with the long PA 2.0 pc-relative branch.
3760
3761 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
3762
3763         * config/i386/i386.c (override_options): Pick a 64-bit CPU
3764         for the default tuning if TARGET_64BIT.
3765
3766 2004-07-10  Richard Henderson  <rth@redhat.com>
3767
3768         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
3769         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
3770
3771 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
3772
3773         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
3774         * expmed.c (store_bit_field, extract_bit_field): Remove last
3775         argument.
3776         * builtins.c (expand_builtin_signbit): Adjust callers.
3777         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
3778         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
3779         * ifcvt.c (noce_emit_move_insn): Likewise.
3780         * stmt.c (expand_return): Likewise.
3781         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
3782         store_field, expand_expr_real_1): Likewise.
3783
3784 2004-07-10  Richard Henderson  <rth@redhat.com>
3785
3786         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
3787
3788 2004-07-09  Mike Stump  <mrs@apple.com>
3789
3790         * config/darwin.c (no_dead_strip): Add.
3791         (HAVE_DEAD_STRIP): Add.
3792         (darwin_emit_unwind_label): Ensure that we don't dead code strip
3793         the .eh label.
3794
3795 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3796
3797         * tree-ssa-loop-im.c: New file.
3798         * Makefile.in (tree-ssa-loop-im.o): Add.
3799         * cfgloop.c (superloop_at_depth): New function.
3800         * cfgloop.h (superloop_at_depth): Declare.
3801         * common.opt (ftree-lim): New flag.
3802         * expr.c (array_ref_up_bound): New function.
3803         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
3804         * timevar.def (TV_LIM): New timevar.
3805         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
3806         computing immediate uses of a phi node.
3807         * tree-flow.h (struct tree_ann_common_d): Add aux field.
3808         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
3809         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
3810         * tree-pass.h (pass_lim): Declare.
3811         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
3812         functions.
3813         (pass_lim): New pass structure.
3814         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
3815         * tree.c (in_array_bounds_p): New function.
3816         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
3817         (in_array_bounds_p, array_ref_up_bound): Declare.
3818         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
3819         * doc/passes.texi (tree-ssa-loop-im.c): Document.
3820
3821 2004-07-09  Richard Henderson  <rth@redhat.com>
3822
3823         * builtins.c (expand_builtin_stpcpy): Don't modify len.
3824
3825         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
3826         with prejudice.
3827
3828 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
3829
3830         * flags.h: Delete redundant prototypes that are being generated
3831         in options.h from common.opt.
3832         * common.opt: Add in the expository comments formerly in flags.h.
3833
3834 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3835
3836         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
3837         available for use only when TARGET_MMX/_SSE is set, and check for
3838         variable argument function if any register count is non-zero.
3839         (function_arg): Correctly suppress repeated warnings for passing SSE
3840         vectors are arguments without SSE enabled.
3841         (ix86_function_arg_boundary): Without SSE enabled, the use of what
3842         would be SSE register modes does no longer influence the alignment.
3843
3844 2004-07-09  Richard Henderson  <rth@redhat.com>
3845
3846         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
3847         Always align upward to arg boundary.  Use size_in_bytes/round_up.
3848         Maintain type-correctness of constants.
3849         * stor-layout.c (round_up, round_down): Special-case powers of 2.
3850
3851 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3852
3853         * config/sparc/sparc.c (*_costs): Scale instruction costs
3854         by COSTS_N_INSNS.
3855         (sparc_rtx_costs): Adjust as appropriate.
3856
3857 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3858
3859         * config/i386/mm3dnow.h: New.
3860         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
3861
3862 2004-07-09  Richard Henderson  <rth@redhat.com>
3863
3864         * simplify-rtx.c (simplify_const_relational_operation): Only
3865         look at bounds of scalar integers.
3866
3867 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3868
3869         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
3870
3871 2004-07-09  Andrew Pinski  <apinski@apple.com>
3872
3873         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
3874         always referenced.
3875         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
3876         UOBJC_METACLASS_decl.
3877
3878 2004-07-09  James E Wilson  <wilson@specifixinc.com>
3879
3880         PR target/16364
3881         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
3882         do return a parallel if hfa_mode == XFmode and mode == TImode.
3883
3884 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3885
3886         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
3887         permissible for unary plus.
3888
3889 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3890
3891         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
3892         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
3893         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
3894         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
3895         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
3896         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
3897         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
3898         (BUILTIN_xxxIMAX): New.
3899         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
3900         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
3901         BUILT_IN_PARITYIMAX.
3902
3903 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3904
3905         * config/sparc/sparc.h (processor_costs): Define.
3906         (sparc_costs): Declare.
3907         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
3908         hypersparc_costs, sparclet_costs, ultrasparc_costs,
3909         ultrasparc3_costs): New.
3910         (sparc_override_options): Set sparc_costs as appropriate.
3911         (sparc_rtx_costs): Use sparc_costs instead of messy
3912         conditionals.
3913
3914 2004-07-09  Steven Bosscher  <stevenb@suse.de>
3915
3916         * doc/md.texi (Processor pipeline description): Mention that
3917         the old pipeline description is deprecated.
3918
3919         * config/rs6000/7450.md (automaton ppc7450): Split up, move
3920         mciu_7450 function unit to...
3921         (automaton ppc7450mciu): ...new automaton.
3922
3923         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
3924         (schedule_block): Don't consider inserting bubbles.
3925         (sched_init): Don't initialize DFA bubbles.
3926         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
3927         TARGET_SCHED_DFA_BUBBLE): Remove.
3928         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
3929         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
3930         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
3931
3932         * stmt.c (conditional_context): Remove prototype.
3933         * tree.h (conditional_context): Remove.
3934         * tree-cfg.c (pre_insert_on_edge): Remove.
3935
3936         * c-common.h (c_expand_asm_operands): Remove prototype.
3937         * c-typeck.c (c_expand_asm_operands): Remove.
3938
3939 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3940
3941         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
3942         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
3943         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
3944         and V8QI are class SSE. All sufficiently small remaining vector modes
3945         must be passed in one or two integer registers.
3946         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
3947         returned in memory.
3948         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
3949         __builtin_ia32_pmuludq128 have non-uniform argument and return types
3950         and must thus be handled explicitly.
3951         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
3952         MMX and XMM regs.
3953         (movv8qi_internal, movv4hi_internal, movv2si_internal,
3954         movv2sf_internal): Permit moving between MMX and XMM registers (since
3955         MMX areguments and return values are passed in XMM registers).
3956         (sse2_umulsidi3): Correct type and mode.
3957
3958 2004-07-09  Richard Henderson  <rth@redhat.com>
3959
3960         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3961
3962 2004-07-09  Eric Christopher  <echristo@redhat.com>
3963
3964         * config/rs6000/40x.md: Split into two automatons.
3965
3966 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3967             Andrew Pinski  <apinski@apple.com>
3968
3969         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3970         on when we have more than one input file.
3971         (c_common_parse_file): Restore loop over all input files.
3972         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3973
3974         * c-decl.c (set_type_context): New function.
3975         (pop_scope): Use it to set context of types.  When we
3976         encounter a TYPE_DECL, set the context of the attached type too.
3977         (pop_file_scope): Don't call cpp_undef_all here.
3978         (diagnose_mismatched_decls): Do not complain about a second
3979         definition of an 'extern inline' function if it's not in the
3980         same translation unit.  Do not complain about inline
3981         declaration after use if the use was in a different
3982         translation unit.
3983         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3984         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3985         the external scope.
3986         (pushdecl_top_level): Likewise.
3987         (grokdeclarator): Clarify what is going on with setting
3988         DECL_EXTERNAL on function types, a little.
3989         (c_write_global_declarations): Don't do anything if
3990         -fsyntax-only or errors have been encountered.
3991
3992 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3993
3994         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3995
3996 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3997
3998         PR target/16459
3999         * pa.c (output_indirect_call): Use %r2 as the link register when
4000         calling $$dyncall with a pc-relative branch.
4001
4002 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
4003
4004         * doc/install.texi (Binaries): Mention OpenPKG.
4005
4006 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
4007
4008         Fix PR tree-optimization/15555
4009         * tree-dfa.c (dump_variable): If the variable is a pointer
4010         SSA_NAME, also dump its points-to information.
4011         * tree-flow.h (struct ptr_info_def): Add field
4012         is_dereferenced.
4013         (dump_points_to_info_for): Declare.
4014         (debug_points_to_info_for): Declare.
4015         * tree-optimize.c (init_tree_optimization_passes): Add a
4016         second alias analysis pass after DOM2.
4017         Move pass_del_pta to a later spot.
4018         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
4019         create a name tags when we find a dereferenced pointer.  Just
4020         mark the pointer dereferenced.
4021         (collect_points_to_info_for): Move code to clear points-to
4022         information to create_name_tags.
4023         (create_name_tags): New function.
4024         (compute_flow_sensitive_aliasing): Call it.
4025         (setup_pointers_and_addressables): Mark type tags for renaming
4026         here instead of ...
4027         (create_memory_tag): ... here.
4028         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
4029         (dump_points_to_info_for): Declare extern.
4030         (debug_points_to_info_for): New function.
4031
4032 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
4033
4034         * config/arc/arc.md: Switch to DFA-based scheduler description.
4035         * config/arc/arc.c: Switch to DFA-based scheduler description.
4036
4037 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4038
4039         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
4040         pointer.
4041
4042 2004-07-09  Richard Henderson  <rth@redhat.com>
4043
4044         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
4045         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4046         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
4047         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4048
4049         * config/v850/v850-protos.h (v850_va_arg): Remove.
4050         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4051         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
4052         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
4053         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
4054         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
4055
4056 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4057
4058         PR target/12133
4059         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
4060         and DImode to use +/-4k offset.
4061
4062 2004-07-09  Richard Henderson  <rth@redhat.com>
4063
4064         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
4065         Remove.
4066         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4067         (xstormy16_gimplify_va_arg_expr): Rewrite from
4068         xstormy16_expand_builtin_va_arg.
4069         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
4070
4071         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
4072         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
4073
4074         * config/sh/sh-protos.h (sh_va_arg): Remove.
4075         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4076         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
4077         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
4078
4079         * config/pa/pa-protos.h (hppa_va_arg): Remove.
4080         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4081         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
4082         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4083
4084         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
4085         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4086         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
4087         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
4088
4089 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4090
4091         * config/sparc/sparc.md (return): Rewrite length formula.
4092         * config/sparc/sparc.c (output_return): Pass 1 as 5th
4093         argument to final_scan_insn when in a delay slot.
4094         (output_sibcall): Likewise.
4095
4096 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4097
4098         * arm.c (arm_cpp_interwork): New variable.
4099         (arm_override_options): Set it if TARGET_INTERWORK was on the command
4100         line.
4101         * arm.h (arm_cpp_interwork): Declare it.
4102         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
4103         __THUMB_INTERWORK__ in the preprocessor.
4104
4105 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
4106
4107         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
4108
4109 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4110
4111         PR target/16416
4112         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
4113         Override default settings to account for -m32 and -m64.
4114
4115 2004-07-08  Randolph Chung  <tausq@debian.org>
4116
4117         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
4118
4119 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
4120
4121         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
4122         before comparing it as such.
4123
4124 2004-07-08  Richard Henderson  <rth@redhat.com>
4125
4126         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
4127         temporary.  Use bit arithmetic to align.
4128
4129 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
4130
4131         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
4132         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
4133         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
4134         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
4135         add_labels_and_missing_jumps, find_jump_block,
4136         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
4137         Likewise.
4138         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
4139         link_btr_uses, move_btr_def): Likewise.
4140         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
4141         expand_builtin_expect_jump): Likewise.
4142         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
4143         * calls.c (expand_call, emit_library_call_value_1): Likewise.
4144         * cfganal.c (forwarder_block_p): Likewise.
4145         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
4146         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
4147         find_bb_boundaries): Likewise.
4148         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4149         merge_blocks_move_predecessor_nojumps,
4150         merge_blocks_move_successor_nojumps, insns_match_p,
4151         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4152         try_optimize_cfg): Likewise.
4153         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
4154         * cfglayout.c (skip_insns_after_block, label_for_bb,
4155         record_effective_endpoints, insn_locators_initialize,
4156         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
4157         * cfgmainloop.c (create_loop_notes): Likewise.
4158         * cfgrtl.c (delete_insn, delete_insn_chain,
4159         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
4160         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
4161         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
4162         redirect_branch_edge, force_nonfallthru_and_redirect,
4163         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
4164         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
4165         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
4166         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
4167         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
4168         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
4169         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
4170         * combine.c (combine_instructions, can_combine_p, try_combine,
4171         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
4172         distribute_notes, distribute_links, insn_cuid): Likewise.
4173         * cse.c (fold_rtx, cse_insn, cse_around_loop,
4174         invalidate_skipped_block, cse_set_around_loop,
4175         cse_end_of_basic_block, cse_main, cse_basic_block,
4176         cse_condition_code_reg): Likewise.
4177         * cselib.c (cselib_process_insn): Likewise.
4178         * ddg.c (create_ddg): Likewise.
4179         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
4180         Likewise.
4181         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
4182         gen_label_die, dwarf2out_var_location): Likewise.
4183         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
4184         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
4185         last_call_insn, active_insn_p, next_label, prev_label,
4186         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
4187         add_insn_before, remove_insn, add_function_usage_to,
4188         reorder_insns, find_line_note, remove_unnecessary_notes,
4189         emit_insn_after_1, classify_insn): Likewise.
4190         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
4191         connect_post_landing_pads, sjlj_mark_call_sites,
4192         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
4193         can_throw_internal, can_throw_external, set_nothrow_function_flags,
4194         convert_to_eh_region_ranges): Likewise.
4195         * explow.c (optimize_save_area_alloca): Likewise.
4196         * expr.c (expand_expr_real): Likewise.
4197         * final.c (insn_current_reference_address, compute_alignments,
4198         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
4199         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
4200         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
4201         propagate_block_delete_insn, propagate_one_insn,
4202         init_propagate_block_info, propagate_block, libcall_dead_p,
4203         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
4204         Likewise.
4205         * function.c (instantiate_virtual_regs, reorder_blocks_1,
4206         expand_function_start, expand_function_end, contains,
4207         thread_prologue_and_epilogue_insns,
4208         reposition_prologue_and_epilogue_notes): Likewise.
4209         * gcse.c (constprop_register, bypass_conditional_jumps,
4210         insert_insn_end_bb, gcse_after_reload): Likewise.
4211         * genemit.c (gen_expand, gen_split): Likewise.
4212         * genpeep.c (gen_peephole, main): Likewise.
4213         * global.c (build_insn_chain): Likewise.
4214         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
4215         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
4216         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
4217         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
4218         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
4219         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
4220         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
4221         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
4222         dead_or_predicable): Likewise.
4223         * integrate.c (try_constants): Likewise.
4224         * jump.c (rebuild_jump_labels, cleanup_barriers,
4225         purge_line_number_notes, init_label_info, mark_all_labels,
4226         squeeze_notes, get_label_before, get_label_after,
4227         reversed_comparison_code_parts, simplejump_p, pc_set,
4228         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
4229         delete_barrier, delete_prior_computation, delete_computation,
4230         delete_related_insns, delete_for_peephole, redirect_jump):
4231         Likewise.
4232         * lcm.c (optimize_mode_switching): Likewise.
4233         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
4234         Likewise.
4235         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
4236         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
4237         * loop-iv.c (simplify_using_assignment): Likewise.
4238         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
4239         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
4240         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
4241         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
4242         check_insn_for_givs, check_final_value, update_giv_derive,
4243         basic_induction_var, product_cheap_p, check_dbra_loop,
4244         loop_insn_first_p, last_use_this_basic_block,
4245         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
4246         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
4247         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
4248         sms_schedule_by_order): Likewise.
4249         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
4250         * postreload.c (reload_cse_simplify_operands, reload_combine,
4251         reload_cse_move2add): Likewise.
4252         * predict.c (can_predict_insn_p, estimate_probability,
4253         expected_value_to_br_prob, process_note_predictions): Likewise.
4254         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
4255         * profile.c (branch_prob): Likewise.
4256         * ra-build.c (live_out_1, livethrough_conflicts_bb,
4257         detect_webs_set_in_cond_jump): Likewise.
4258         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
4259         ra_print_rtl_with_bb): Likewise.
4260         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
4261         * recog.c (next_insn_tests_no_inequality, find_single_use,
4262         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
4263         * reg-stack.c (next_flags_user, record_label_references,
4264         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
4265         compensate_edge, convert_regs_1): Likewise.
4266         * regclass.c (scan_one_insn): Likewise.
4267         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4268         regmove_optimize, fixup_match_1, single_set_for_csa,
4269         combine_stack_adjustments_for_block): Likewise.
4270         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
4271         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
4272         find_equiv_reg): Likewise.
4273         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
4274         reload_as_needed, emit_input_reload_insns, do_output_reload,
4275         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
4276         Likewise.
4277         * reorg.c (find_end_label, emit_delay_sequence,
4278         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
4279         get_jump_flags, rare_destination, mostly_true_jump,
4280         try_merge_delay_insns, redundant_insn, own_thread_p,
4281         fill_simple_delay_slots, fill_slots_from_thread,
4282         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
4283         dbr_schedule): Likewise.
4284         * resource.c (find_basic_block, next_insn_no_annul,
4285         find_dead_or_set_registers, mark_target_live_regs): Likewise.
4286         * rtl.h (RTX_PREV): Likewise.
4287         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
4288         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
4289         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
4290         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
4291         tablejump_p, computed_jump_p, insns_safe_to_move_p,
4292         find_first_parameter_load, can_hoist_insn_p): Likewise.
4293         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
4294         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
4295         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
4296         schedule_ebbs): Likewise.
4297         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
4298         is_conditionally_protected, can_schedule_ready_p,
4299         add_branch_dependences, debug_dependencies): Likewise.
4300         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
4301         Likewise.
4302         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
4303         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
4304         set_dominates_use, ujump_to_loop_cont): Likewise.
4305         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
4306         * varasm.c (output_constant_pool_1): Likewise.
4307
4308 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4309
4310         * tree-scalar-evolution.c: New file.
4311         * tree-scalar-evolution.h: New file.
4312         * tree-ssa-loop-niter.c: New file.
4313         * Makefile.in (SCEV_H): New.
4314         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
4315         * cfgloop.h (struct loop): Add bounds field.
4316         * tree-flow.h (struct tree_niter_desc): New type.
4317         (number_of_iterations_cond, number_of_iterations_exit,
4318         loop_niter_by_eval, find_loop_niter_by_eval,
4319         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
4320         free_numbers_of_iterations_estimates): Declare.
4321         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
4322         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
4323         * doc/invoke.texi (max-iterations-to-track): Document.
4324
4325 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
4326
4327         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
4328         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
4329         (MODE_AFTER): Add cast appropriately.
4330         * config/sh/sh.md (movdi splitter): Likewise.
4331         (casesi_worker_2): Add const qualifier appropriately.
4332         (eh_return): Remove unused variable.
4333         (insv): Initialize v;
4334
4335 2004-07-08  Richard Henderson  <rth@redhat.com>
4336
4337         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
4338         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4339         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
4340         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
4341         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
4342
4343         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
4344         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4345         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
4346         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
4347
4348         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
4349         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4350         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
4351         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
4352
4353         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
4354         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4355         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
4356         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
4357
4358         * config/i860/i860-protos.h (i860_va_arg): Remove.
4359         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4360         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
4361         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
4362
4363 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4364
4365         * system.h: Prototype getpagesize if missing.
4366         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
4367         * configure: Regenerate.
4368         * config.in: Regenerate.
4369
4370 2004-07-08  Richard Henderson  <rth@redhat.com>
4371
4372         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
4373         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4374         (fr30_gimplify_va_arg_expr): New.
4375         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
4376         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
4377
4378 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
4379
4380         PR target/16414
4381         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
4382         of asm_noperands result.
4383
4384 2004-07-08  Richard Henderson  <rth@redhat.com>
4385
4386         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
4387         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4388         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
4389         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
4390
4391 2004-07-08  Richard Henderson  <rth@redhat.com>
4392
4393         * builtins.c (ind_gimplify_va_arg_expr): New.
4394         * tree.h (ind_gimplify_va_arg_expr): Declare.
4395         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
4396
4397 2004-07-08  Jan Beulich  <jbeulich@novell.com>
4398
4399         * expmed.c (extract_bit_field): Correct condition to use vec_extract
4400         patterns also on vector elements other than the first one.
4401         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
4402         break statements.
4403
4404 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
4405
4406         * config/rs6000/darwin-ldouble.c: Correct reference
4407         to the Linnainmaa paper.
4408
4409 2004-07-08  Richard Henderson  <rth@redhat.com>
4410
4411         * config/arc/arc-protos.h (arc_va_arg): Remove.
4412         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4413         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
4414         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
4415
4416         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
4417         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4418         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
4419         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
4420
4421 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4422
4423         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
4424
4425 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
4426
4427         * c-decl.c (static_ctors, static_dtors): Make static.
4428         (pop_file_scope): Call c_common_write_pch and
4429         cgraph_finalize_compilation_unit here.
4430         (build_cdtor): Moved here from c-objc-common.c; simplify.
4431         (c_write_global_declarations_1): Clarify comment.
4432         (c_write_global_declarations): Close the external scope before
4433         doing anything else.  Call build_cdtor, cgraph_optimize, and
4434         mudflap_finish_file here.
4435         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
4436         Clarify comment.
4437         * c-objc-common.c: No need to include cgraph.h.
4438         (build_cdtor): Moved to c-decl.c.
4439         (c_objc_common_finish_file): Delete.
4440         * c-tree.h: Update to match.
4441         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
4442         (generate_static_references): Set TREE_USED before calling finish_decl.
4443         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
4444         on the static_instances_decl.
4445
4446 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
4447
4448         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
4449         decls when there is only one input translation unit.
4450         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
4451         change of 2004-07-05; do not treat declarations with
4452         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
4453         * opts.c (cur_in_fname): Delete.
4454         * opts.h: Likewise.
4455         * tree.c: Revert changes of 2004-07-05; no special treatment
4456         for TRANSLATION_UNIT_DECLs.
4457         * Makefile.in (tree.o): Update dependencies.
4458
4459 2004-07-08  Roger Sayle  <roger@eyesopen.com>
4460
4461         * builtins.c (fold_builtin_strcpy): Merge functionality from
4462         simplify_builtin_strcpy.  Add additional len argument.  No longer
4463         static.  Remove function prototype.
4464         (fold_builtin_strncpy): Likewise integrate functionality from
4465         simplify_builtin_strncpy.  Add additional slen argument.  No
4466         longer static.  Remove function prototype.
4467         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
4468         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
4469         types of "ignore" and "unlocked" parameters to bool.
4470         (fold_builtin_1):  Add additional ignore argument.  Call renamed
4471         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
4472         builtins.  Update arguments to fold_builtin_strncpy and
4473         fold_builtin_strcpy.  Add function prototype.
4474         (fold_builtin): Add additional Boolean ignore argument to pass
4475         to fold_builtin_1.
4476         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
4477         and fold_builtin_strncpy instead of simplify_builtin_fputs,
4478         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
4479
4480         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
4481         simplify_builtin_strncpy): Delete function prototypes.
4482         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
4483         fold_builtin_strncpy): Add function prototypes here.
4484         (fold_builtin): Update function prototype with new "bool ignore".
4485
4486         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
4487         (ccp_fold_builtin):  Update call to fold_builtin.  Call
4488         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
4489         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
4490         simplify_builtin_strncpy respectively.
4491         * fold-const.c (fold): Update call to fold_builtin.
4492
4493 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4494
4495         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
4496         to strcpy.
4497
4498         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
4499         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
4500         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
4501         * calls.c: Remove ifdefs of macros above.
4502         * functions.c: Likewise.
4503         * expr.c: Likewise.
4504
4505 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4506
4507         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
4508         (arch attribute): Delete.
4509         (current_function_calls_alloca attribute): Rename into calls_alloca.
4510         (calls_eh_return): New attribute.
4511         (leaf_function): Likewise.
4512         (length attribute): Fix formula for sibcalls.
4513         (return insn): Correctly compute the 'length' attribute.
4514         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
4515
4516 2004-07-08  Richard Henderson  <rth@redhat.com>
4517
4518         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
4519         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
4520         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
4521         * tree-eh.c (lower_eh_constructs_1): Likewise.
4522         * tree-sra.c (sra_walk_modify_expr): Likewise.
4523         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4524         (eliminate_unnecessary_stmts): Likewise.
4525         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4526         * tree-tailcall.c (optimize_tail_call): Likewise.
4527         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
4528
4529 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4530             Jakub Jelinek  <jakub@redhat.com>
4531
4532         * config/i386/i386.c (override_options): Enable
4533         SSE prefetches with -mtune, as long as we are
4534         compiling for i686 or higher.  All i686 processors
4535         accept SSE prefetches as NOPS, some i586's don't.
4536
4537 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4538
4539         PR target/10567
4540         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
4541
4542 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4543
4544         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
4545         the handling of clobbering ASM_EXPRs.
4546
4547 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4548
4549         PR target/16430
4550         * config/sparc/sparc.c (function_value): In 64-bit mode,
4551         return the aggregates larger than 16 bytes like unions.
4552
4553 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4554
4555         PR target/16199
4556         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
4557         'temp' is zero, generate new pseudos as needed and emit the
4558         sequence of insns in single-assignment form.  Resync comments
4559         with code.
4560         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
4561         function before reload.
4562
4563 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
4564
4565         * vec.c (vec_assert_fail): Remove duplicate 'function'.
4566
4567         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
4568
4569         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
4570         Allocation is signed.
4571         (VEC_reserve): Return flag, allocation is signed.
4572
4573 2004-07-08  Richard Henderson  <rth@redhat.com>
4574
4575         * tree-ssa-ccp.c (fold_stmt): Get type directly from
4576         OBJ_TYPE_REF_OBJECT.
4577
4578 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
4579             Neil Booth  <neil@daikokuya.co.uk>
4580
4581         PR c/2511
4582         PR c/3325
4583         * c-decl.c (finish_struct): Ensure bit-fields are given the
4584         correct type.
4585         * c-common.c (c_common_signed_or_unsigned_type): For C, require
4586         the precision to match as well as the mode.
4587         * expr.c (reduce_to_bit_field_precision): New function.
4588         (expand_expr_real_1): Reduce expressions of bit-field type to
4589         proper precision.
4590         * langhooks.h (reduce_bit_field_operations): New hook.
4591         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4592         Define.
4593         * c-lang.c, objc/objc-lang.c
4594         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
4595         * objc/objc-act.c (check_ivars): Convert types to bit-field types
4596         before checking.
4597         * tree.c (build_nonstandard_integer_type): New function.
4598         * tree.h (build_nonstandard_integer_type): New prototype.
4599         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
4600         conversions between integer and boolean types as useless.
4601
4602 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4603
4604         * c-common.c (c_common_nodes_and_builtins): Do not
4605         create __builtin_ptrdiff_t and __builtin_size_t.
4606
4607 2004-07-08  Andrew Pinski  <apinski@apple.com>
4608
4609         * Makefile.in (libbackend.o): Add -combine to the gcc
4610         command line.
4611
4612 2004-07-08  Nick Clifton  <nickc@redhat.com>
4613
4614         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
4615         Set to -Os.
4616
4617 2004-07-08  Richard Henderson  <rth@redhat.com>
4618
4619         * except.c (expand_eh_region_start, expand_eh_region_end,
4620         expand_eh_handler, expand_eh_region_end_cleanup,
4621         expand_start_all_catch, expand_start_catch, expand_end_catch,
4622         expand_end_all_catch, expand_eh_region_end_allowed,
4623         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
4624         expand_eh_region_end_fixup): Remove.
4625         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
4626         cleanups, outer_cleanups, label_chain, exception_region.
4627         (struct goto_fixup): Remove stack_level, cleanup_list_list.
4628         (struct label_chain): Remove.
4629         (struct stmt_status): Remove x_stack_block_stack.
4630         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
4631         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
4632         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
4633         end_cleanup_deferral, last_cleanup_this_contour,
4634         containing_blocks_have_cleanups_or_stack_level,
4635         any_pending_cleanups): Remove.
4636         (expand_null_return_1): Take no arguments.
4637         (expand_label, expand_naked_return, expand_return,
4638         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
4639         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
4640         expand_end_case_type): Don't use any of them.
4641         * calls.c (expand_call): Likewise.
4642         * dojump.c (do_jump): Likewise.
4643         * function.c (expand_function_end): Likewise.
4644         * expr.c (store_expr, expand_expr_real_1): Likewise.
4645         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
4646         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
4647         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
4648         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
4649         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
4650         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
4651         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
4652         for WITH_CLEANUP_EXPR.
4653         (gimple_push_cleanup): Likewise.
4654         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
4655         * print-tree.c (print_node): Likewise.
4656         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
4657         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
4658         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
4659         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
4660         (GOTO_SUBROUTINE_EXPR): Remove.
4661         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
4662         (DECL_TOO_LATE): Remove.
4663         * except.h, tree.h: Update decls.
4664
4665 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4666
4667         * explow.c (optimize_save_area_alloca): Do not accept parameters.
4668         * passes.c (rest_of_handle_final): Handle symout.
4669         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
4670         Push timevar here.
4671         (rest_of_handle_sched): Break out SMS.  Remove ifs for
4672         flag_schedule_insns and flag_modulo_sched.
4673         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
4674         collect at the end.
4675         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
4676         (rest_of_handle_partition_blocks, rest_of_handle_sms,
4677         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
4678         rest_of_handle_mode_switching, rest_of_handle_jump,
4679         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
4680         rest_of_handle_jump2, rest_of_handle_postreload,
4681         rest_of_handle_flow2, rest_of_clean_state,
4682         rest_of_handle_shorten_branches,
4683         rest_of_handle_prologue_epilogue,
4684         rest_of_handle_branch_target_load_optimize): New.
4685         (rest_of_compilation): Call the above.  Remove ggc_collect
4686         calls moved to rest_of_handle_*.
4687         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
4688
4689         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
4690         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
4691         * except.h (set_nothrow_function_flags): Update comment.
4692         * function.c (current_function_nothrow): Remove.
4693         * output.h (current_function_nothrow): Remove.
4694         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
4695         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
4696
4697 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4698
4699         PR bootstrap/16326
4700         * reorg.c: Revert 2004-06-30 change.
4701         (find_end_label): If HAVE_epilogue and !HAVE_return,
4702         return 0 instead of creating a label at the end of the insn chain.
4703         (optimize_skip): Account for the failure mode of find_end_label.
4704         (fill_simple_delay_slots): Likewise.
4705         (fill_slots_from_thread): Likewise.
4706         (relax_delay_slots): Likewise.
4707
4708 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4709
4710         * tree-flow.h (addressable_vars): Declare.
4711         * tree-ssa-alias.c (addressable_vars): Define.
4712         (setup_pointers_and_addressables): Add addressable variables
4713         to addressable_vars.
4714         * tree-ssa-operands.c (get_stmt_operands): Move
4715         handling of ASM_EXPRs ...
4716         (get_asm_expr_operands): ... here.
4717         When the ASM_EXPR clobbers memory, also clobber addressable
4718         variables.
4719         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
4720         (delete_tree_ssa): Reset addressable_vars.
4721
4722 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4723             Richard Henderson  <rth@redhat.com>
4724
4725         * varasm.c (assemble_variable): Use assemble_zeros for
4726         zero-initialized variables.
4727         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
4728         for SECCAT_BSS and SECCAT_TBSS.
4729
4730 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4731
4732         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
4733
4734         * expmed.c (emit_store_flag): Also special-case double-word
4735         (in-)equality comparison against -1.
4736
4737         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
4738         passing arguments the containers for which are registers.
4739
4740         * calls.c (emit_library_call_value_1): Use mode of function parameter
4741         rather than that of argument since constants have none.
4742
4743 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4744
4745         Introduce H8SX support.
4746         * expr.c (expand_strcpy): Renamed and moved to...
4747         * builtins.c (expand_movstr): ... here.  Tweak.
4748         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
4749         computed or has side effects.
4750         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
4751         unused, or if mempcpy fails.  Adjust the return value in the
4752         latter case.  Use movstr if everything else fails.
4753         * doc/md.texi (movstr): Document.
4754         (movmemM, clrmemM): Fix explanation of memory block operands.
4755         * config/h8300/h8300.md (stpcpy): Renamed to...
4756         (movstr): ... this.  Adjust.
4757         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4758         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
4759         movmem* and clrstr* to clrmem*.
4760         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
4761         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
4762         GENERAL_REGS, always.
4763         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
4764         getting the stack pointer as addr.
4765         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
4766         from general_operand_dst.
4767         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
4768         variant of...
4769         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
4770         instead of requiring it to match only before reload.
4771         (stpcpy_internal_normal): New, normal-mode variant of...
4772         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
4773         `D' instead of requiring it to match only before reload.
4774         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
4775         mode argument.
4776         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
4777         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
4778         h8300_get_index.
4779         * config/h8300/h8300.md (attr type): Add call.
4780         (attr can_delay): If type is call, set it no.
4781         (call, call_value): Set type to call.
4782         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
4783         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
4784         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
4785         * tree.c (get_narrower): Don't narrow integral types into
4786         non-integral types.
4787         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
4788         frame_size *before* the first use.
4789         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
4790         on input.
4791         (peephole2): Don't widen instructions that push SP.  Move
4792         decrement of SP to the end of all stm-generating peepholes.
4793         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4794         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
4795         and OR to set it to all ones.
4796         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4797         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
4798         (call, call_value): Set can_delay to "no".
4799         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
4800         * config/h8300/h8300.md (extzv): Make subreg check more robust.
4801         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4802         * config/h8300/h8300.md (*brabit): Remove.
4803         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
4804         zero_extract.  Use bit_memory_operand as the predicate for
4805         operand 1 and 'WU' as the constraint.  Check the difference
4806         between the base length and the final one when deciding which
4807         type of branch to use.
4808         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4809         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
4810         Use convert_move to extend the result for TARGET_H8300SX.  Check
4811         for QImode memory references.  Optimize the case where the
4812         destination is a paradoxical subreg.
4813         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4814         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
4815         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
4816         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4817         * config/h8300/h8300.md: Include mova.md
4818         (length_table): Add mova and mova_zero.
4819         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
4820         after all constant addresses for '%R', '%X', '%T' and '%S'.
4821         (h8300_mova_length): New function.
4822         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
4823         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
4824         dependencies for s-config, etc.
4825         * config/h8300/gemova.sh: New file.
4826         * config/h8300/mova.md: Generated.
4827         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
4828         * config/h8300/h8300.c (h8300_bitfield_length): New.
4829         (nibble_operand): Adjust.
4830         (h8300_binary_length): Handle conditional binary op.
4831         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
4832         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
4833         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
4834         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
4835         constraints.  WU is introduced as a variant of U that requires a
4836         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
4837         * config/h8300/h8300.md (attr type): Added bitbranch.
4838         (attr length_table): Added bitfield and bitbranch.
4839         (attr length): Compute bitbranch length.
4840         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
4841         least-significant bit of a byte.
4842         (brabit, brabc, brabs): New.
4843         (insv, extzv): Emit bfst and bfld on H8300SX.
4844         (bfld, bfst, seq, sne): New.
4845         (bstzhireg, cmpstz, bstz, bistz): New.
4846         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
4847         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
4848         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
4849         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
4850         (h8sx_unary_memory_operator): New function.
4851         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
4852         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
4853         * config/h8300/h8300.md: Add peepholes to combine reloads and
4854         arithmetic insns.
4855         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4856         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
4857         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
4858         (and?i, ior?i, xor?i): Likewise.
4859         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4860         * config/h8300/h8300.c: Move enums and prototypes to head of file.
4861         Various whitespace fixes.
4862         (h8300_constant_length): New function, split out from...
4863         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
4864         (h8300_classify_operand): Use IN_RANGE.
4865         (h8300_classify_operand): Use h8300_constant_length.
4866         (h8300_short_move_mem_p): Tighten size check.
4867         (h8sx_mergeable_memrefs_p): Tighten equality check.
4868         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
4869         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
4870         for -msx.
4871         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
4872         * config/h8300/crtn.asm: Likewise.
4873         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
4874         if __H8300SX__ is defined.
4875         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
4876         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
4877         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
4878         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
4879         addresses as mode-dependent.
4880         * config/h8300/h8300.c (print_operand_address): Update call to
4881         h8300_get_index.
4882         (h8300_get_index): Take a mode argument.  Rework to fix an
4883         earlier misunderstanding.
4884         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
4885         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
4886         into a register if TARGET_H8300SX.
4887         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
4888         TARGET_H8300SX.  Also disable related define_splits.
4889         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
4890         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
4891         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
4892         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4893         * config/h8300/h8300.h (OK_FOR_Z): New macro.
4894         (EXTRA_CONSTRAINT_STR): Check it.
4895         * config/h8300/h8300.c (h8300_classify_operand): Accept null
4896         class arguments.
4897         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
4898         * config/h8300/h8300.md (length_table): Add mov_imm4.
4899         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
4900         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4901         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
4902         be a label.
4903         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
4904         * config/h8300/h8300.c (h8300_reorg): New function.
4905         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4906         * config/h8300/h8300.md (length): Subtract the length of the
4907         delay slot from (pc) when checking the range of forward branches.
4908         (delay_slot, can_delay): New attributes.
4909         (define_delay): Add bra/s handling.
4910         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
4911         (jump): Add delayed-branch handling.
4912         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
4913         * expr.c (expand_strcpy): New function.
4914         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
4915         (expand_builtin_stpcpy): Likewise.
4916         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
4917         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
4918         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
4919         handling to improve register allocation for -fno-omit-frame-pointer.
4920         (h8sx_split_movmd): Delete, moving er6 handling into...
4921         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
4922         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
4923         (movmd): Add calls to copy_rtx.
4924         (movmd_internal): In the second alternative, allow the initial and
4925         final destination registers to be different .  Update the splitter
4926         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
4927         instead of h8sx_split_movmd.
4928         (stpcpy, movsd): New expanders.
4929         (movsd_internal): New define_insn.
4930         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
4931         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
4932         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
4933         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
4934         and DESTINATION_REGS.
4935         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4936         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
4937         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
4938         (h8300_move_ratio): Declare.
4939         (MOVE_RATIO): Use it.
4940         * config/h8300/h8300.c (h8300_move_ratio): New variable.
4941         (h8300_init_once): Initialize it.
4942         (h8300_reg_class_from_letter): New function.
4943         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
4944         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
4945         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
4946         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
4947         (movstrsi, movmd): New expanders.
4948         (movmd_internal): New insn.
4949         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
4950         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
4951         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
4952         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
4953         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
4954         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4955         * config/h8300/h8300.c (nibble_operand): Fix warning.
4956         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
4957         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
4958         (movsf_h8300h): Disable for TARGET_H8300SX.
4959         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4960         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4961         h8300_stm_parallel and h8300_return_parallel.
4962         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4963         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4964         h8300_stm_parallel, h8300_return_parallel): New functions.
4965         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4966         if TARGET_H8300SX.  Use h8300_push_pop.
4967         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4968         and final pop when generating h8sx code.  Always emit some form
4969         of return insn.
4970         * config/h8300/h8300.md: Don't enforce register alignment in
4971         stm peepholes if TARGET_H8300SX.
4972         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4973         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4974         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4975         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4976         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4977         (MULTILIB_DIRNAMES): Add a directory for it.
4978         (MULTILIB_MATCHES): Delete.
4979         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4980         * final.c (walk_alter_subreg): Handle addresses with subregs
4981         inside a ZERO_EXTEND or AND.
4982         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4983         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4984         if TARGET_H8300SX.
4985         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4986         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4987         @(dd,Rn.w) and @(dd,ERn.L).
4988         (h8300_displacement_size): Take the whole address as argument.
4989         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4990         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4991         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4992         (h8sx_mergeable_memrefs_p): Declare.
4993         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4994         (HAVE_PRE_INCREMENT): Likewise.
4995         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4996         addresses for TARGET_H8300SX,
4997         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4998         and POST_DEC.
4999         (movb_length_table, movl_length_table): New tables.
5000         (movw_length_table): Define to movb_length_table.
5001         (h8300_displacement_size): New, split out from...
5002         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
5003         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
5004         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
5005         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
5006         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
5007         (compute_plussi_length, compute_plussi_cc): Update accordingly.
5008         (h8sx_unary_shift_operator): Get the mode from the operator.
5009         (binary_shift_operator): Likewise.
5010         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
5011         a memory reference, check whether the reference is offsettable.
5012         (length_table): Add movb, movw and movl.
5013         (movqi): Add new h8sx pattern.  Don't force one operand to be a
5014         register when generating h8sx code.
5015         (movhi, movsi, movsf): Likewise.
5016         (movstrictqi): Use the length_table attribute.
5017         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
5018         (addqi3): Split into a define_expand and define_insn.  Don't accept
5019         memory operands in the expander.  Use h8300_operands_match_p to
5020         check for matching operands in the define_insn.
5021         (subqi3, negqi2, one_cmplqi2): Likewise.
5022         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
5023         in any patterns that are unused in h8sx code.  In the h8sx patterns,
5024         use h8300_operands_match_p to check whether operands match.
5025         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
5026         one_cmpl[hs]i3): Likewise.
5027         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
5028         in the expander.
5029         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
5030         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
5031         (h8300_insn_length_from_table): Add a second parameter.
5032         (output_h8sx_shift): Declare.
5033         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
5034         (EXTRA_CONSTRAINT): Replace with...
5035         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
5036         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
5037         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
5038         and h8sx_binary_shift_operator.
5039         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
5040         for TARGET_H8300SX.
5041         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
5042         (bit_memory_operand, fix_bit_operand): Likewise.
5043         (h8300_length_table_for_insn): Remove.
5044         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
5045         instructions.
5046         (h8300_short_immediate_length, h8300_binary_length): New functions.
5047         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
5048         (output_plussi): Use sub to add negative constants.
5049         (compute_plussi_length): Adjust accordingly.
5050         (h8sx_single_shift_type): New enum.
5051         (h8sx_single_shift, h8sx_unary_shift_operator,
5052         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
5053         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
5054         single h8sx instruction.  Return false in this case.
5055         * config/h8300/h8300.md (length_table): Add short_immediate.
5056         (length): Pass the operand array to h8300_insn_length_from_table.
5057         (adjust_length): Assume "no" for insns with a length_table attribute.
5058         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
5059         (*addhi3_h8300hs): Don't use for h8sx.
5060         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
5061         and sub.w #xx:3.
5062         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
5063         1's predicate to nonimmediate_operand.  Only skip default expansion
5064         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
5065         for single h8sx shift instructions.
5066         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
5067         * config/h8300/h8300.c (nibble_operand): Split out of...
5068         (reg_or_nibble_operand): ... this.
5069         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
5070         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
5071         umulhisi3): Introduce expand, and introduce separate insns for
5072         sign- or zero-extended REG and already-extended CONST_INT.
5073         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
5074         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
5075         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
5076         (subhi3): Likewise.  Don't accept immediates for operand 1.
5077         Remove the early clobber from second alternative of the h8300s pattern.
5078         (subsi3): Generalize for h8sx.  Force operand 2 into a register
5079         on plain h8300 targets.
5080         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
5081         (subsi3_h8300h): Generalize for h8sx.
5082         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
5083         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
5084         * config/h8300/h8300.c (reg_or_nibble_operand): New.
5085         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
5086         (TARGET_H8300SXMUL): New.
5087         (CONST_OK_FOR_P): New.
5088         (CONST_OK_FOR_LETTER_P): Adjust.
5089         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
5090         umulhisi3): Accept 4-bit immediate on H8SX.
5091         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
5092         (udivsi3, divhi3, udivsi3, divsi3): New.
5093         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
5094         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
5095         * config/h8300/h8300.h (OK_FOR_Q): New macro.
5096         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
5097         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
5098         Add ADDRESSOF to the bit_operand entry.
5099         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
5100         (h8300_src_operand): Likewise.
5101         (bit_operand): Check nonimmediate_operand rather than general_operand.
5102         Accept any nonimmediate_operand in h8sx code.
5103         (h8300_and_costs): Initialize operands[1].
5104         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
5105         (h8300_operand_class): New enum.
5106         (h8300_length_table): New typedef.
5107         (addb_length_table, addw_length_table, addl_length_table,
5108         logicl_length_table): New tables.
5109         (logicb_length_table, logicw_length_table): New macros.
5110         (h8300_classify_operand, h8300_length_from_table,
5111         h8300_length_table_for_insn, h8300_unary_length,
5112         h8300_insn_length_from_table): New functions.
5113         (output_plussi): Only use adds and subs for register destinations.
5114         Disable redundant clause.
5115         (compute_plussi_cc): Likewise.
5116         (compute_plussi_length): Likewise.  Use h8300_length_from_table
5117         to work out the length of an insn.
5118         (output_logical_op): Only use narrower immediate instructions
5119         if the destination is a register.
5120         (compute_logical_op_cc): Likewise.
5121         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
5122         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
5123         * config/h8300/h8300.md (length_table): New attribute.
5124         (length): When an instruction has a length_table attribute, use
5125         h8300_insn_length_from_table to calculate its default length.
5126         (cmpqi): Use h8300_dst_operand for the first operand and
5127         h8300_src_operand for the second.
5128         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
5129         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
5130         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
5131         iorsi3, xorhi3, xorsi3): Likewise.
5132         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
5133         so that it allows any combination of operands for TARGET_H8300SX.
5134         (iorqi3, xorqi3): Likewise.
5135         (cmpqi): Use the length_table attribute.
5136         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
5137         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
5138         (cmpqi): Add 'Q' constraint.
5139         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
5140         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
5141         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
5142         * config/h8300/h8300.h (MASK_H8300SX): New macro.
5143         (TARGET_H8300S): True for both -ms and -msx.
5144         (TARGET_H8300SX): New macro.
5145         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
5146         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
5147         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
5148         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
5149         [Temporary change.]
5150         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
5151         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
5152         16-bit pointers and 32-bit ints.
5153         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
5154         CONST_DOUBLE with mode no wider than SImode.
5155         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
5156         output operand.
5157         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
5158         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
5159         or SUBREG thereof.
5160         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
5161         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
5162         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
5163
5164 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5165
5166         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
5167
5168 2004-07-07  Per Bothner  <per@bothner.com>
5169
5170         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
5171
5172 2004-07-07  Mike Stump  <mrs@apple.com>
5173
5174         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
5175         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
5176         (machopic_finish): Likewise.
5177
5178 2004-07-07  Richard Henderson  <rth@redhat.com>
5179
5180         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
5181         through any value-preserving cast.
5182
5183 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
5184
5185         * function.c (assign_parm_find_data_types): Call
5186         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
5187
5188 2004-07-07  Steven Bosscher  <stevenb@suse.de>
5189
5190         * tree-cfg.c (group_case_labels): Remove case labels that have
5191         the same target as the default case.
5192
5193 2004-07-07  Steven Bosscher  <stevenb@suse.de>
5194
5195         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
5196         regardless of DECL_LANG_SPECIFIC being present or not.
5197         * tree.h (DECL_NUM_STMTS): Purge.
5198
5199 2004-07-07  Andrew Pinski  <apinski@apple.com>
5200
5201         * configure: Regenerate with the right autoconf.
5202
5203 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
5204
5205         * ifcvt.c (total_bb_rtx_cost): New function.
5206         (find_if_case_1): Compare rtx_cost of basic block to cost of
5207         BRANCH_COST insns.
5208         (find_if_case_2): Same.
5209
5210 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5211
5212         PR target/10567
5213         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
5214         (output_return): Likewise.
5215         (output_sibcall): Abort if !flag_delayed_branch.
5216         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
5217         (emit_and_preserve): New function.
5218         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
5219         indirect jump to the thunked-to function if !flag_delayed_branch.
5220         * config/sparc/sparc.md (delayed_branch): New attribute.
5221         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
5222         attribute to compute the length of the insn.
5223         (goto_handler_and_restore): Likewise.
5224
5225 2004-07-07  Andrew Pinski  <apinski@apple.com>
5226
5227         PR tree-optimization/15777
5228         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
5229
5230         * expr.c (expand_expr_real_1): Fix formating.
5231         BUFFER_REF and IN_EXPR are dead.
5232         * fold-const.c (non_lvalue): BUFFER_REF is dead.
5233         * tree-inline.c (estimate_num_insns_1): Likewise.
5234         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
5235         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
5236         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
5237
5238 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
5239
5240         * collect2.c (dump_file): Don't call cplus_demangle if
5241         HAVE_LD_DEMANGLE is defined.
5242         (main): Pass "--demangle" to ld if no_demangle is not 0 and
5243         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
5244         if HAVE_LD_DEMANGLE is defined.
5245
5246         * configure.ac (--with-demangler-in-ld): Added
5247         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
5248         --with-demangler-in-ld is used.
5249         * config.in: Regenerated.
5250         * configure: Likewise.
5251
5252 2004-07-07  Roger Sayle  <roger@eyesopen.com>
5253
5254         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
5255         for simple floating point operations "fp", double precision
5256         multiplication "dmul", and single and double precision division
5257         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
5258         (ppc630_cost): New table split from ppc620_cost, to distinguish
5259         differences in floating point latencies.
5260         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
5261         (rs6000_rtx_costs): Add support for single and double precision
5262         floating point addition, subtraction, multiplication, division,
5263         fused-multiply-add, fused-multiply-sub, negation, absolute value
5264         and negative absolute value.  Tweak MEM case to use prefered idiom.
5265
5266 2004-07-07  Richard Henderson  <rth@redhat.com>
5267
5268         * tree-flow-inline.h (may_propagate_copy): Move...
5269         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
5270         attempt to copy between types requiring conversion.
5271         * tree-flow.h (may_propagate_copy): Update decl.
5272         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
5273
5274 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
5275
5276         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
5277         from -mtune= option.
5278
5279 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
5280
5281         * builtins.c: Rename movstr*, except for movstrict*, to
5282         movmem* and clrstr* to clrmem*.
5283         * expr.c: Likewise.
5284         * expr.h: Likewise.
5285         * genopinit.c: Likewise.
5286         * integrate.c: Likewise.
5287         * local-alloc.c: Likewise.
5288         * optabs.c: Likewise.
5289         * optabs.h: Likewise.
5290         * config/alpha/alpha.h: Likewise.
5291         * config/alpha/alpha.md: Likewise.
5292         * config/arm/arm-protos.h: Likewise.
5293         * config/arm/arm.c: Likewise.
5294         * config/arm/arm.md: Likewise.
5295         * config/avr/avr.md: Likewise.
5296         * config/c4x/c4x.c: Likewise.
5297         * config/c4x/c4x.md: Likewise.
5298         * config/frv/frv.md: Likewise.
5299         * config/i386/i386-protos.h: Likewise.
5300         * config/i386/i386.c: Likewise.
5301         * config/i386/i386.h: Likewise.
5302         * config/i386/i386.md: Likewise.
5303         * config/i860/i860.c: Likewise.
5304         * config/i860/i860.md: Likewise.
5305         * config/ip2k/ip2k.md: Likewise.
5306         * config/ip2k/libgcc.S: Likewise.
5307         * config/ip2k/t-ip2k: Likewise.
5308         * config/m32r/m32r.c: Likewise.
5309         * config/m32r/m32r.md: Likewise.
5310         * config/mcore/mcore.md: Likewise.
5311         * config/mips/mips.c: Likewise.
5312         * config/mips/mips.md: Likewise.
5313         * config/ns32k/ns32k.c: Likewise.
5314         * config/ns32k/ns32k.h: Likewise.
5315         * config/ns32k/ns32k.md: Likewise.
5316         * config/pa/pa.c: Likewise.
5317         * config/pa/pa.md: Likewise.
5318         * config/pdp11/pdp11.h: Likewise.
5319         * config/pdp11/pdp11.md: Likewise.
5320         * config/rs6000/rs6000.c: Likewise.
5321         * config/rs6000/rs6000.md: Likewise.
5322         * config/s390/s390-protos.h: Likewise.
5323         * config/s390/s390.c: Likewise.
5324         * config/s390/s390.md: Likewise.
5325         * config/sh/lib1funcs.asm: Likewise.
5326         * config/sh/sh.c: Likewise.
5327         * config/sh/sh.md: Likewise.
5328         * config/sh/t-sh: Likewise.
5329         * config/sparc/sparc.h: Likewise.
5330         * config/vax/vax.md: Likewise.
5331         * config/xtensa/xtensa.c: Likewise.
5332         * config/xtensa/xtensa.md: Likewise.
5333         * doc/invoke.texi: Likewise.
5334         * doc/md.texi: Likewise.
5335         * doc/rtl.texi: Likewise.
5336
5337 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
5338
5339         PR target/16407
5340         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
5341         * config/mips/mips.c (mips_declare_common_object): New function,
5342         mostly split out from...
5343         (mips_output_aligned_decl_common): ...here.
5344         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
5345         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
5346         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
5347         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
5348
5349 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5350
5351         PR c/16392
5352         * function.c (assign_parms): Fix typo from previous change.
5353
5354 2004-07-07  Jason Merrill  <jason@redhat.com>
5355
5356         PR c++/15815
5357         * doc/extend.texi (C++ Interface): Correct information and
5358         discourage use.
5359
5360 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
5361
5362         PR target/16130
5363         PR target/16142
5364         PR target/16143
5365         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
5366         insn.
5367
5368 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5369
5370         PR target/1679.
5371         * config/m32r/m32r.c (m32r_function_symbol): New function:
5372         Generate a symbol name RTX with the correct m32r specific flags
5373         set.
5374         (block_move_call): Use new function to generate correct symbol.
5375         * config/m32r/m32r-protos.h: Add prototype for new funcion.
5376         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
5377         function.
5378
5379 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
5380
5381         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
5382         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
5383         TYPE_BINFO_BASETYPE): Remove.
5384         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
5385         to ...
5386         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
5387         here.
5388         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
5389         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
5390         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
5391         (struct tree_binfo): Rename base_types to base_binfos.
5392         * alias.c (record_component_aliases): Adjust BINFO macros.
5393         * dbxout.c (dbxout_type): Likewise.
5394         * dwarf2out.c (gen_member_die): Likewise.
5395         * sdbout.c (sdbout_one_type): Likewise.
5396         * tree-dump.c (deque_and_dump): Likewise.
5397         * config/i386/i386.c (classify_argument,
5398         contains_128bit_aligned_vector_p): Likewise.
5399
5400 2004-07-07  Nick Clifton  <nickc@redhat.com>
5401
5402         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
5403         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
5404
5405 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
5406
5407         * vec.h: Fix the example use.
5408
5409 2004-07-06  Richard Henderson  <rth@redhat.com>
5410
5411         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
5412         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
5413         * tree-inline.c (copy_body_r, setup_one_parameter,
5414         initialize_inlined_parameters, expand_call_inline,
5415         declare_inline_vars): Don't check it.
5416         (expand_calls_inline): Remove old version, rename new version
5417         from gimple_expand_calls_inline.
5418         * tree-optimize.c (execute_gimple): Remove.
5419         (pass_gimple): Don't run anything.
5420
5421 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
5422
5423         * doc/sourcebuild.texi: Use semicolons instead of commas in
5424         section title.
5425
5426 2004-07-06  Richard Henderson  <rth@redhat.com>
5427
5428         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
5429         (sra_walk_modify_expr, scan_init): Likewise.
5430         (generate_element_zero): Check visited before scanning children.
5431         (generate_element_init): Set visited on error.
5432         (scalarize_init): Handle generate_element_init failure similar
5433         to use_block_copy.
5434
5435 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
5436
5437         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
5438         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
5439
5440 2004-07-06  Richard Henderson  <rth@redhat.com>
5441
5442         * config/i386/i386.c (legitimize_pic_address): Make static.
5443         (legitimize_address): Handle CONST with TLS operand.
5444         (ix86_expand_move): Don't call legitimize_pic_address directly.
5445         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
5446
5447 2004-07-06  Roger Sayle  <roger@eyesopen.com>
5448
5449         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
5450         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
5451         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
5452         is currently executed unconditionally, i.e. not in "else_bb".
5453
5454 2004-07-06  Steven Bosscher  <stevenb@suse.de>
5455
5456         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
5457         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5458         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
5459         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5460         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
5461         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5462         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
5463         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5464         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
5465         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5466         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
5467         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5468         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
5469         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5470         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
5471         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5472
5473 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
5474
5475         * dojump.c (do_jump): REFERENCE_EXPR is dead.
5476         * expr.c (expand_expr_real_1): Ditto.
5477         * tree-inline.c (estimate_num_insns_1): Ditto.
5478         * tree-pretty-print.c (dump_generic_node): Ditto.
5479         (op_symbol): Ditto.
5480         * tree.def: Ditto.
5481
5482 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
5483
5484         * tree-ssa-pre.c (reference_node_pool): New pool.
5485         (find_or_generate_expression): Class 'r' is okay too.
5486         (create_value_expr_from): Ditto.
5487         (add_to_sets): LHS should not include vuses.
5488         (eliminate): Ditto.
5489         (compute_avail): Reverse ordering of tests.
5490         Valuize INDIRECT_REF as well.
5491
5492 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
5493
5494         PR rtl-optimization/16380
5495         * loop.c (check_dbra_loop): Sink comparison instructions if they
5496         do something other than set cc0.
5497
5498 2004-07-06  James E Wilson  <wilson@specifixinc.com>
5499
5500         * doc/interface.texi (longjmp and automatic variables): Delete
5501         paragraph recommending taking the address of a variable.
5502
5503 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
5504
5505         * vec.h (VEC_embedded_alloc): Remove.
5506         (VEC_embedded_size, VEC_embedded_init): New.
5507         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
5508         MEM_STAT_INFO.
5509         (VEC_truncate): New.
5510         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
5511         (vec_embedded_alloc): Remove.
5512         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
5513         (vec_embedded_alloc): Remove.
5514
5515 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
5516
5517         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
5518         (gt-langhooks.h): Remove.
5519
5520 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
5521
5522         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
5523
5524 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5525
5526         * config/sparc/sparc.c (get_pc_symbol): Rename into
5527         add_pc_to_pic_symbol.
5528         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
5529         (load_pic_register): Account for previous changes.
5530         Use reg_names.  Don't create the label twice.
5531         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
5532         UNSPEC_LOAD_PCREL_SYM.
5533         (get_pc): Rename into load_pcrel_sym.  Add predicate to
5534         operands.  Remove condition.
5535
5536 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
5537
5538         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
5539         RECORD, UNION & QUAL_UNION is actually a binfo.
5540
5541         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
5542         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
5543         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
5544         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
5545         * dwarf2out.c (add_data_member_location_attribute): Likewise.
5546         (gen_inheritance_die): Likewise.
5547         * tree-dump.c (deque_and_dump): Likewise.
5548         * doc/c-tree.texi (Binfos): Add under reconstruction note.
5549
5550 2004-07-06  Steven Bosscher  <stevenb@suse.de>
5551
5552         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5553         Define.
5554         * config/mcore/mcore.md: Model memory latency with a simple DFA
5555         pipeline description instead of a define_function_unit.
5556
5557 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5558
5559         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
5560         * langhooks.h (var_mod_type_p): Likewise.
5561         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
5562         * expr.c (count_type_elements): Properly handle return from
5563         array_type_nelts and properly test for overflow.
5564         * gimplify.c (gimplify_init_constructor): Properly handle return
5565         from array_type_nelts.
5566         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
5567         * integrate.c (copy_decl_for_inlining): Correct comments.
5568         * tree-inline.c (remap_decl): Update comments, remove dead code,
5569         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
5570         (remap_type): Only remap if variably modified by vars in function
5571         being inlined.
5572         (copy_body_r): Use compatible_type langhooks to see when can fold.
5573         (setup_one_parameter): Don't remap type.
5574         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
5575         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
5576         compute TREE_INVARIANT for decl case.
5577         (find_var_from_fn): New function.
5578         (variably_modified_type_p): Add arg and call new function.
5579         * tree.h (variably_modified_type_p): Add extra arg.
5580
5581 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5582
5583         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
5584         (goto_handler_and_restore_v9): Delete disabled insn.
5585         (goto_handler_and_restore_v9_sp64): Likewise.
5586
5587 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5588
5589         * calls.c (load_register_parameters): Call expand_shift instead
5590         of expand_binop with ashl_optab (or other shift optab) directly.
5591         * expr.c (emit_group_load, emit_group_store): Likewise.
5592         * function.c (assign_parm_setup_block): Likewise.
5593         * stmt.c (shift_return_value): Likewise.
5594
5595 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
5596
5597         * expr.c (expand_assignment): Disable the bitfield += optimizations.
5598
5599 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5600
5601         * doc/sourcebuild.texi: Revert previous patch.
5602
5603 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5604
5605         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
5606         TARGET_MEM_FUNCTIONS.
5607         * system.h: Poison TARGET_MEM_FUNCTIONS.
5608         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
5609         bcmp_libfunc, bzero_libfunc): Remove.
5610         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
5611         bzero_libfunc.
5612         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
5613         * doc/standards.texi: Don't mention calling BSD string functions.
5614         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
5615         * config/vax/t-memfuncs: New.
5616         * config/memcmp.c, config/memcpy.c, config/memmove.c,
5617         config/memset.c: New.
5618         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
5619         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
5620         vax/t-memfuncs.
5621         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
5622         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
5623         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
5624         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
5625         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
5626         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
5627         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
5628         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
5629         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
5630         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
5631
5632 2004-07-05  Richard Henderson  <rth@redhat.com>
5633
5634         * function.c (assign_parm_setup_reg): Properly rename variables in
5635         FUNCTION_ARG_CALLEE_COPIES section.
5636
5637 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5638
5639         * tree-mudflap.c: Include cgraph.h.
5640         (mf_init_extern_trees): Rename to mudflap_init.  Export.
5641         Rewrite to create synthetic declarations instead of looking
5642         up declarations from mf-runtime.h.
5643         (mf_make_builtin, mf_make_cache_struct_type): New functions.
5644         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
5645         Correct commentary.
5646         (execute_mudflap_function_decls, mudflap_register_call):
5647         Don't call mf_init_extern_trees.
5648         (mudflap_finish_file): Use cgraph_build_static_cdtor.
5649
5650         * tree-mudflap.h: Update prototypes.
5651         * c-mudflap.c: Delete file.
5652         * c-common.c: Include tree-mudflap.h.
5653         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
5654         * Makefile.in: Remove all references to c-mudflap.o.
5655         Update dependencies.
5656
5657 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5658
5659         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
5660         displacements with the spatial-locality cache-control completer.
5661
5662 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5663
5664         * langhooks.c: Don't include gt-langhooks.h.
5665         (var_labelno): Delete.
5666         (lhd_set_decl_assembler_name): Do not append a distinguishing
5667         number to file-scope internal-linkage declarations for the first
5668         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
5669         the declaration itself (if at block scope), or its containing
5670         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
5671         number.
5672
5673         * opts.c (cur_in_fname): New global.
5674         * opts.h: Declare it.
5675         * tree.c: Include opts.h.
5676         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
5677         DECL_UID equal to cur_in_fname.
5678         (copy_node_stat): Do not change DECL_UID when copying a
5679         TRANSLATION_UNIT_DECL.
5680         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
5681         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
5682
5683         * c-decl.c (c_static_assembler_name): Delete.
5684         * c-tree.h (c_static_assembler_name): Delete prototype.
5685         * c-lang.c, objc/objc-lang.c: Don't override
5686         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
5687
5688         * Makefile.in (tree.o): Update dependencies.
5689         (GTFILES): Remove langhooks.c.
5690
5691 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5692
5693         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
5694         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
5695         Normalize "X % C" as "X % -C" for signed modulus and negative C.
5696         Optimize "X % -Y" as "X % Y" for signed modulus.
5697         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
5698         into "((unsigned) X % Y) == 0".
5699
5700 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5701
5702         * sourcebuild.texi (Config Fragments): Use @comma{} in
5703         cross-reference to section title.
5704
5705 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5706
5707         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
5708         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
5709         (gimplify_target_expr, gimplify_expr): Likewise.
5710         (copy_if_shared_r): No longer need special case for BIND_EXPR.
5711         (unshare_body, unvisit_body): Only look at nested if BODY_P is
5712         whole function.
5713         (gimplify_compound_lval): See if we can strip any useless conversion.
5714         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
5715         from RHS, not LHS.
5716         (gimplify_modify_expr_to_memset): Likewise.
5717         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
5718         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
5719         (declare_inline_vars): Likewise.
5720         (walk_type_fields): New function.
5721         (walk_tree): Use it.
5722         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
5723
5724         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
5725         (sra_walk_modify_expr): Allow init function to fail.
5726         (scan_init): Now returns bool.
5727         (generate_element_init): If can't understand INIT, return false.
5728         (scalarize_init): Return false if generate_element_init does.
5729
5730         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
5731         print bounds.
5732
5733         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
5734         bounds if bounds aren't constant.
5735
5736         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
5737
5738         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
5739         to type hooks; remove bogus PARAMS.
5740
5741 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
5742
5743         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
5744         * dwarf2out.c (add_data_member_location_attribute): Check for
5745         TREE_BINFO.
5746         * tree.c (tree_node_kinds): Add "binfos".
5747         (binfo_lang_slots): New.
5748         (make_node_stat): Add TREE_BINFO.
5749         (make_tree_binfo_stat): New.
5750         (tree_node_structure): Add TREE_BINFO.
5751         * tree.def (TREE_BINFO): New.
5752         * tree.h (REC_OR_UNION_CHECK): Rename to ...
5753         (RECORD_OR_UNION_CHECK): ... here.
5754         (NOT_RECORD_OR_UNION_CHECK): New.
5755         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
5756         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
5757         RECORD_OR_UNION_CHECK.
5758         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
5759         (TYPE_LANG_SLOT_1): New.
5760         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
5761         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
5762         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
5763         (BINFO_ELTS): Remove.
5764         (BINFO_LANG_SLOT): New.
5765         (struct tree_binfo): New.
5766         (binfo_lang_slots): Declare.
5767         (enum tree_node_structure_enum): Add TS_BINFO.
5768         (union tree_node): Add binfo.
5769         (make_tree_binfo_stat): Declare.
5770         (make_tree_binfo): New.
5771         (enum tree_node_kind): Add binfo_kind.
5772
5773         * objc/objc-act.c (start_class, objc_declare_protocols,
5774         start_protocols): Use TYPE_LANG_SLOT_1.
5775         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
5776         to ...
5777         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
5778         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
5779         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
5780         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
5781
5782 2004-07-05  Steven Bosscher  <stevenb@suse.de>
5783
5784         * rtl.h (struct rtx_def): Remove the integrated flag.
5785         Use the return_val flag for MEM_SCALAR_P.
5786         Reshuffle and update flags in CLEAR_RTX_FLAGS.
5787
5788 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
5789
5790         PR target/16357
5791         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
5792         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
5793         move_by_pieces.
5794
5795 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
5796
5797         * var-tracking.c: Fix some comments.
5798         (frame_stack_adjust): New.
5799         (vt_stack_adjustments): Init stack_adjust of entry block to
5800         minus stack adjustment of function prologue.
5801         (adjust_stack_reference): Do not adjust if adjustment == 0.
5802         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
5803         (emit_notes_in_bb): Likewise.
5804         (vt_add_function_parameters): Do not adjust locations of
5805         function arguments.
5806         (vt_initialize): Compute the stack adjustment of function
5807         prologue and offset the initial "location" of frame_base_decl
5808         from the stack pointer after prologue.
5809
5810 2004-07-04  Richard Henderson  <rth@redhat.com>
5811
5812         * function.c (struct assign_parm_data_all): New.
5813         (struct assign_parm_data_one): New.
5814         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
5815         assign_parm_find_data_types, assign_parms_setup_varargs,
5816         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
5817         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
5818         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
5819         assign_parm_setup_block, assign_parm_setup_reg,
5820         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
5821         (assign_parms): ... here.
5822
5823 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
5824
5825         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
5826         now are bitmap_set_t's.
5827         (bitmap_insert_into_set): No point in inserting the value if
5828         it's invariant.
5829         (bitmap_set_contains): New function.
5830         (bitmap_set_replace_value): Add comment on why we do it
5831         this way.
5832         (set_contains): Removed.
5833         (bitmap_set_subtract_from_value_set): New name of
5834         set_subtract now that it's arguments are two different
5835         types of sets.
5836         Update callers.
5837         (bitmap_find_leader): Change algorithm used.
5838         (find_or_generate_expression): Update use of functions for new
5839         bitmap sets.
5840         (create_expression_by_pieces): Ditto.
5841         (insert_aux): Ditto.
5842         (insert): Ditto.
5843         (add_to_sets): Ditto.
5844         (init_pre): Ditto.
5845         (execute_pre): Ditto.
5846         (compute_avail): Ditto.
5847         Also ignore virtual phis.
5848
5849 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5850
5851         * combine.c (simplify_comparison): Fix comment typo.
5852
5853 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5854
5855         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
5856         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
5857         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
5858         (output_restore): Change parameter from 'insn' to 'pat'.
5859         (output_return): Adjust call to output_restore.
5860         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
5861         Adjust call to output_restore.
5862
5863 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5864
5865         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
5866         and assert system is bsd.
5867
5868 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5869
5870         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
5871         (TARGET_SWITCHES): Remove -mdebugc.
5872         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5873         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
5874         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
5875         (sle_[sd]i_reg): Delete.
5876
5877 2004-07-04  Steven Bosscher  <stevenb@suse.de>
5878
5879         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5880         Define.
5881         * config/iq2000/iq2000.md: Translate old pipeline description to an
5882         equivalent new one.
5883
5884 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5885
5886         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
5887         Ensure the replacement rhs is valid gimple before performing
5888         the substitution.  Return false if these sanity checks fail.
5889         (fold_stmt): Only set changed to true, if set_rhs returns true.
5890         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
5891         succeeds.
5892
5893 2004-07-04  Richard Henderson  <rth@redhat.com>
5894
5895         PR c/16348
5896         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
5897
5898 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
5899
5900         * configure.ac (ranlib_flags): New variable.
5901         * Makefile.in (RANLIB_FLAGS): New variable.
5902         (libbackend.a): Use it.
5903         * configure: Regenerated.
5904
5905 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5906
5907         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
5908         a "sign mask" instead of using ashr_optab directly.
5909
5910 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5911
5912         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
5913         * doc/cppopts.texi: Clarify processing of command-line defines.
5914
5915 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
5916
5917         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
5918
5919 2004-07-04  Richard Henderson  <rth@redhat.com>
5920
5921         * rtl.def (ADDRESSOF): Remove.
5922         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
5923         (find_base_term, memrefs_conflict_p): Likewise.
5924         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
5925         (fold_rtx, cse_insn, set_live_p): Likewise.
5926         * dwarf2out.c (mem_loc_descriptor): Likewise.
5927         (add_location_or_const_value_attribute): Likewise.
5928         * emit-rtl.c (copy_insn_1): Likewise.
5929         * explow.c (memory_address): Likewise.
5930         * expmed.c (store_split_bit_field): Likewise.
5931         * expr.c (expand_expr_real_1): Likewise.
5932         * function.c (instantiate_decl
5933         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
5934         * genrecog.c (preds, validate_pattern): Likewise.
5935         * integrate.c (copy_rtx_and_substitute): Likewise.
5936         * recog.c (general_operand, register_operand): Likewise.
5937         (memory_address_p): Likwise.
5938         * reload1.c (eliminate_regs, elimination_effects): Likewise.
5939         * rtl.c (copy_rtx): Likewise.
5940         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5941         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
5942         * rtlhooks.c (gen_lowpart_general): Likewise.
5943         * stmt.c (expand_asm_operands): Likewise.
5944         * web.c (entry_register, replace_ref, web_main): Likewise.
5945         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
5946         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5947         * config/arm/arm.c (thumb_rtx_costs): Likewise.
5948         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
5949         * config/frv/frv.c (move_destination_operand, move_source_operand,
5950         condexec_dest_operand, condexec_source_operand,
5951         condexec_memory_operand): Likewise.
5952         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
5953         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
5954         (destination_xfmode_operand): Likewise.
5955         * config/mips/mips.h (PREDICATE_CODES): Likewise.
5956         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
5957         * config/s390/s390.c (general_s_operand): Likewise.
5958         * config/s390/s390.md (mov*): Likewise.
5959         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
5960
5961         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5962         * expr.c (expand_expr_real_1): Likewise.
5963         * stmt.c (expand_decl): Likewise.
5964         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5965
5966         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5967         postponed_insns, put_var_into_stack, put_reg_into_stack,
5968         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5969         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5970         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5971         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5972         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5973         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5974         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5975         struct insns_for_mem_walk_info, insns_for_mem_walk,
5976         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5977         setjmp_protect_args): Remove.
5978         (push_function_context_to): Don't handle var_refs_queue.
5979         (pop_function_context_from, free_after_compilation): Likewise.
5980         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5981         (assign_parms, allocate_struct_function): Likewise.
5982         (use_register_for_decl): New.
5983         (expand_function_end): Don't setjmp_protect.
5984         * function.h (struct emit_status): Update commentary.
5985         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5986         (max_parm_reg, parm_reg_stack_loc): Remove.
5987         * passes.c (DFI_addressof): Remove.
5988         (dump_file_info): Remove addressof.
5989         (rest_of_handle_addressof): Remove.
5990         (rest_of_compilation): Don't call it.
5991         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5992         * stmt.c (expand_decl): Use use_register_for_decl.
5993         * tree.h: Update decls.
5994         * web.c (mark_addressof): Remove.
5995         * doc/invoke.texi (-dF): Remove.
5996
5997 2004-07-03  Richard Henderson  <rth@redhat.com>
5998
5999         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
6000         instead of gen_mem_addressof.
6001         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
6002         TImode output register.
6003
6004 2004-07-03  Richard Henderson  <rth@redhat.com>
6005
6006         PR tree-optimization/16341
6007         * tree-sra.c (sra_walk_function): Increment to next stmt before
6008         processing the current stmt.
6009         (sra_insert_after): Always use BSI_SAME_STMT.
6010
6011 2004-07-03  Richard Henderson  <rth@redhat.com>
6012
6013         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
6014         fp plus with minus.
6015
6016 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6017
6018         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
6019         with tree_int_cst_equal.
6020
6021 2004-07-03  Andreas Schwab  <schwab@suse.de>
6022
6023         * config/ia64/ia64.md: Define new attribute "empty".
6024         (prologue_use, nop_x, insn_group_barrier): Set it.
6025
6026         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
6027         skip over "empty" insns.
6028
6029 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6030
6031         * tree-inline.c (initialize_inlined_parameters): Pass proper function
6032         context to gimplify_body.
6033         (walk_tree): Don't walk into types twice.
6034         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
6035
6036         * tree-sra.c (generate_element_init): Remove any useless conversions.
6037
6038         * gimplify.c (gimplify_conversion): Remove stripping useless
6039         conversions from here.
6040         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
6041         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
6042         Unshare before substituting PLACEHOLDER_EXPR.
6043         (gimplify_modify_expr_to_memset): Likewise.
6044         Pass address of TO to memset, not TO itself.
6045         (gimplify_init_constructor): Make copy of OBJECT so we have it each
6046         time we make an expression (to match a PLACEHOLDER_EXPR).
6047
6048         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
6049         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
6050         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
6051         * tree-ssa-dom.c (local_fold): Likewise.
6052
6053         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
6054         * langhooks.h (strct lang_hooks): New field type_max_size.
6055         * function.c (assign_temp): Call it.
6056
6057 2004-07-03  Steven Bosscher  <stevenb@suse.de>
6058
6059         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
6060         * config/sh/sh.md: Convert the SH1 pipeline description to
6061         a DFA model.
6062
6063 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
6064
6065         * c-decl.c (struct c_binding): Remove contour field; add
6066         depth, invisible, nested fields.
6067         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
6068         (B_IN_EXTERNAL_SCOPE): New convenience macros.
6069         (bind): Add invisible and nested arguments. Initialize
6070         new fields of struct c_binding; adjust loop scanning for
6071         insertion point.
6072         (free_binding_and_advance): Clear structure with memset.
6073         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
6074         in file scope, even if it's in external scope too.
6075         (pushdecl): Adjust to match.  Create invisible file-scope
6076         declarations for block-scope forward declarations of static functions.
6077         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
6078         (undeclared_variable, lookup_label, declare_label, define_label)
6079         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
6080         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
6081         (store_parm_decls_oldstyle): Adjust to match.
6082         (diagnose_mismatched_decls): Correct handling of linkage clashes.
6083         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
6084
6085         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
6086         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
6087
6088 2004-07-02  Richard Henderson  <rth@redhat.com>
6089
6090         * c-decl.c (grokdeclarator): Don't frob current_function_decl
6091         around variable_size.
6092         (set_decl_nonlocal): Remove.
6093         (store_parm_decls): Add stmts for pending sizes.
6094         * calls.c (calls_function, calls_function_1): Remove.
6095         (precompute_arguments): Don't call it.
6096         * cfgexpand.c (set_save_expr_context): Remove.
6097         (tree_expand_cfg): Don't call it.
6098         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
6099         (dwarf2out_finish): Likewise.
6100         * expr.c (emit_block_move): Adjust addresses to BLKmode.
6101         (store_constructor): Don't pre-evaluate SAVE_EXPR.
6102         (safe_from_p): Don't queue SAVE_EXPRs.
6103         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
6104         or build plain VAR_DECLs.
6105         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
6106         (fold): Likewise.
6107         (fold_checksum_tree): Don't special-case SAVE_EXPR.
6108         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
6109         (put_var_into_stack): Don't handle SAVE_EXPR.
6110         (gen_mem_addressof): Likewise.
6111         * function.h (struct function): Remove x_save_expr_regs.
6112         (save_expr_regs): Remove.
6113         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
6114         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
6115         * stor-layout.c (variable_size): Don't set it.
6116         (force_type_save_exprs, force_type_save_exprs_1): Remove.
6117         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
6118         all callers.  Don't set SAVE_EXPR_CONTEXT.
6119         * tree-inline.h (remap_save_expr): Update decl.
6120         * tree.c (save_expr): Update build size.
6121         (first_rtl_op): Don't handle SAVE_EXPR.
6122         (unsave_expr_1, contains_placeholder_p): Likewise.
6123         (decl_function_context): Likewise.
6124         * tree.def (SAVE_EXPR): Remove args 1 and 2.
6125         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
6126         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
6127
6128 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6129
6130         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
6131         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
6132         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
6133         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
6134         some first-person references and patronizing comments.  Based on
6135         printed manual.
6136         * doc/invoke.texi: Don't reference fortran@gnu.org.
6137         * doc/trouble.texi (Warning when a non-void function value is
6138         ignored): Rewrite.  From Russ Allbery and Chris Devers.
6139
6140 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
6141
6142         * tree-ssa-pre.c (bitmap_set_t): New.
6143         (bb_value_sets): avail_out is now a bitmap_set_t.
6144         (bitmap_find_leader): New function.
6145         (bitmap_value_insert_into_set): Ditto.
6146         (bitmap_set_copy): Ditto.
6147         (bitmap_value_replace_in_set): Ditto.
6148         (bitmap_set_contains_value): Ditto.
6149         (bitmap_set_new): Ditto.
6150         (bitmap_set_pool): New pool.
6151         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
6152         (insert_aux): Ditto.
6153         (add_to_sets): Ditto.
6154         (compute_avail): Ditto
6155         (eliminate): Ditto.
6156         (init_pre): Ditto.
6157         (fini_pre): Ditto.
6158         (execute_pre): Ditto.
6159
6160 2004-07-02  Roger Sayle  <roger@eyesopen.com>
6161
6162         * config/rs6000/rs6000.c (struct processor_costs): New structure
6163         used to hold instruction latencies/sizes for processor types.
6164         (rs6000_cost): New global variable pointing to current CPU's costs.
6165         (rs6000_override_options): Initialize rs6000_cost to point to the
6166         appropriate cost table based upon rs6000_cpu and optimize_size.
6167         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
6168         timings inline.
6169
6170 2004-07-02  Richard Henderson  <rth@redhat.com>
6171
6172         * expmed.c (make_tree): Don't use SET_DECL_RTL.
6173
6174 2004-07-02  Steven Bosscher  <stevenb@suse.de>
6175
6176         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
6177
6178 2004-07-01  Richard Henderson  <rth@redhat.com>
6179
6180         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
6181         (alpha_gp_save_rtx): Use assign_stack_local instead of
6182         gen_mem_addressof.
6183
6184 2004-07-01  Richard Henderson  <rth@redhat.com>
6185
6186         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
6187         (alpha_rtx_cost_data): Update to match.
6188         (alpha_rtx_cost_size): New.
6189         (alpha_rtx_costs): Honor optimize_size.
6190
6191 2004-07-01  Richard Henderson  <rth@redhat.com>
6192
6193         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
6194         * cfgexpand.c (tree_expand_cfg): Do it here.
6195         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
6196         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
6197         * config/mips/mips.c (mips_output_mi_thunk): And here.
6198         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
6199         * config/sh/sh.c (sh_output_mi_thunk): And here.
6200         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
6201
6202 2004-07-01  Richard Henderson  <rth@redhat.com>
6203
6204         * tree.def (RTL_EXPR): Remove.
6205         * c-typeck.c (lvalue_p): Don't handle it.
6206         * expr.c (safe_from_p): Likewise.
6207         (expand_expr_real_1): Likewise.
6208         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
6209         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
6210         * gengtype.c (adjust_field_tree_exp): Likewise.
6211         * stmt.c (warn_if_unused_value): Likewise.
6212         * tree-gimple.c (recalculate_side_effects): Likewise.
6213         * tree-pretty-print.c (dump_generic_node): Likewise.
6214         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
6215         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
6216         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
6217
6218         * stmt.c (struct stmt_status): Remove x_last_expr_type,
6219         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
6220         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
6221         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
6222         all the bits that tracked last_expr.
6223         (expand_end_bindings): Don't track last_expr.
6224         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
6225         (clear_last_expr): Remove.
6226         (expand_asm): Don't call it.
6227         (expand_asm_operands, expand_end_cond): Likewise.
6228         (expand_naked_return, expand_null_return_1): Likewise.
6229         * c-typeck.c (c_begin_compound_stmt): Likewise.
6230         * cfgexpand.c (expand_block): Use expand_expr_stmt.
6231         * expr.c (expand_expr_real_1): Likewise.
6232         * tree.h: Update prototypes.
6233
6234         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
6235         (struct emit_status): Remove sequence_rtl_expr.
6236         (struct function): Remove x_rtl_expr_chain.
6237         (seq_rtl_expr, rtl_expr_chain): Remove.
6238         * function.c (struct temp_slot): Remove rtl_expr.
6239         (assign_stack_temp_for_type): Don't set it.
6240         (free_temp_slots, pop_temp_slots): Don't check it.
6241         (free_after_compilation): Don't clear x_rtl_expr_chain.
6242         (fixup_var_refs): Don't search it.
6243         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
6244         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
6245         or seq_rtl_expr.
6246         (push_topmost_sequence): Likewise.
6247         (end_sequence, init_emit): Likewise.
6248         (start_sequence_for_rtl_expr): Remove.
6249         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
6250         * rtl.h (preserve_rtl_expr_result): Remove.
6251
6252 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
6253
6254         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
6255         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
6256         typos.
6257
6258 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6259
6260         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
6261         (STANDARD_STARTFILE_PREFIX_2): Define.
6262         (standard_startfile_prefix_1): Initialize to
6263         STANDARD_STARTFILE_PREFIX_1.
6264         (standard_startfile_prefix_2): Initialize to
6265         STANDARD_STARTFILE_PREFIX_2.
6266         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
6267         (STANDARD_STARTFILE_PREFIX_1): Define.
6268         (STANDARD_STARTFILE_PREFIX_2): Define.
6269         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
6270         (STANDARD_STARTFILE_PREFIX_2): Document.
6271
6272 2004-07-01  Richard Henderson  <rth@redhat.com>
6273
6274         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
6275         in order to disable scalarization.  Instead set a flag and wait
6276         for a candidate decl.
6277
6278 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
6279
6280         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
6281         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
6282         Use terminology "testsuite" and "enumerated".
6283
6284 2004-07-01  Richard Henderson  <rth@redhat.com>
6285
6286         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
6287         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
6288         (initial_return_save): Likewise.
6289         (flush_queued_reg_saves): Remap register numbers.
6290         (dwarf2out_return_reg): Likewise.
6291
6292 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6293
6294         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
6295
6296         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
6297         access functions for lower bound and element size and only output
6298         if lower bound nonzero or element size not same as that of type.
6299         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
6300
6301 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6302
6303         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
6304
6305 2004-07-01  Per Bothner  <per@bothner.com>
6306
6307         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
6308
6309 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
6310
6311         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
6312         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
6313         first operand.  Don't optimize if the bitfield is volatile.
6314
6315 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6316
6317         * c-pretty-print.c (pp_c_postfix_expression): Handle
6318         floating-point comparison operators.
6319         (pp_c_expression): Pass floating-point comparison
6320         operators to pp_c_postfix_expression.
6321
6322 2004-07-01  Roger Sayle  <roger@eyesopen.com>
6323
6324         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
6325         rtx_cost instead of "had_mult" to determine whether the transformed
6326         expression is cheaper than the original.
6327
6328 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
6329
6330         * alias.c (get_alias_set, canon_rtx, get_addr,
6331         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
6332         Use MEM_P.
6333         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
6334         expand_builtin): Likewise.
6335         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
6336         Likewise.
6337         * combine.c (can_combine_p, combinable_i3pat, try_combine,
6338         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
6339         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
6340         record_dead_and_set_regs_1, get_last_value_validate,
6341         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
6342         * cse.c (check_dependence, canon_hash, equiv_constant,
6343         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
6344         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
6345         count_reg_usage): Likewise.
6346         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
6347         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
6348         cselib_record_sets): Likewise.
6349         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
6350         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
6351         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
6352         * df.c (df_uses_record): Likewise.
6353         * dojump (do_jump): Likewise.
6354         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
6355         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
6356         decl_start_label): Likewise.
6357         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
6358         operand_subword, change_address_1, make_safe_from): Likewise.
6359         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
6360         stabilize, force_not_mem): Likewise.
6361         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
6362         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
6363         * expr.c (convert_move, convert_modes, emit_block_move,
6364         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
6365         emit_move_insn_1, expand_assignment, store_expr,
6366         store_constructor_field, store_constructor, store_field,
6367         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
6368         Likewise.
6369         * final.c (cleanup_subreg_operands, alter_subreg,
6370         get_mem_expr_from_op): Likewise.
6371         * flow.c (notice_stack_pointer_modification_1,
6372         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
6373         Likewise.
6374         * function.c (mark_temp_addr_taken, preserve_temp_slots,
6375         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
6376         optimize_bit_field, flush_addressof, purge_addressof_1,
6377         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
6378         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
6379         keep_stack_depressed): Likewise.
6380         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
6381         noce_process_if_block, find_memory): Likewise.
6382         * integrate.c (subst_constants, allocate_initial_values): Likewise.
6383         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
6384         update_equiv_regs): Likewise.
6385         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
6386         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
6387         * optabs.c (expand_abs, emit_unop_insn): Likewise.
6388         * passes.c (rest_of_handle_final): Likewise.
6389         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
6390         move2add_note_store): Likewise.
6391         * ra-build.c (detect_remat_webs): Likewise.
6392         * ra-debug.c (dump_static_insn_cost): Likewise.
6393         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
6394         * recog.c (validate_change, apply_change_group, cancel_changes,
6395         validate_replace_rtx_1, general_operand, register_operand,
6396         nonmemory_operand, push_operand, pop_operand, memory_operand,
6397         indirect_operand, asm_operand_ok, offsettable_memref_p,
6398         offsettable_nonstrict_memref_p, constrain_operands,
6399         store_data_bypass_p): Likewise.
6400         * reg-stack.c (subst_stack_regs_pat): Likewise.
6401         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
6402         copy_cost, reg_scan_mark_refs): Likewise.
6403         * regmove.c (optimize_reg_copy_3, stack_memref_p,
6404         combine_stack_adjustments_for_block): Likewise.
6405         * regrename.c (copyprop_hardreg_forward_1): Likewise.
6406         * reload.c (can_reload_into, push_reload, decompose, immune_p,
6407         find_reloads, find_reloads_address, find_reloads_address_1,
6408         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
6409         find_equiv_reg): Likewise.
6410         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
6411         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
6412         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
6413         delete_address_reloads): Likewise.
6414         * resource.c (mark_referenced_resources): Likewise.
6415         * rtlanal.c (get_jump_table_offset, count_occurrences,
6416         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
6417         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
6418         num_sign_bit_copies1): Likewise.
6419         * rtlhooks.c (gen_lowpart_general): Likewise.
6420         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
6421         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
6422         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
6423         sdbout_global_decl): Likewise.
6424         * simplify-rtx.c (simplify_subreg): Likewise.
6425         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
6426         expand_anon_union_decl, expand_end_case_type): Likewise.
6427         * unroll.c (calculate_giv_inc): Likewise.
6428         * var-tracking.c (stack_adjust_offset_pre_post,
6429         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
6430         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
6431         vt_add_function_parameters): Likewise.
6432         * varasm.c (make_var_volatile, notice_global_symbol,
6433         assemble_external, decode_addr_const, mark_weak,
6434         default_encode_section_info): Likewise.
6435
6436 2004-07-01  Steven Bosscher  <stevenb@suse.de>
6437
6438         * stmt.c (check_seenlabel): Remove.
6439         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
6440
6441 2004-07-01  Richard Henderson  <rth@redhat.com>
6442
6443         * function.h (struct function): Remove x_function_call_count.
6444         (function_call_count): Remove.
6445         * calls.c (expand_call): Don't set it.
6446         * integrate.c (copy_rtx_and_substitute): Likewise.
6447
6448         * function.h (struct function): Remove x_cleanup_label.
6449         (cleanup_label): Remove.
6450         * stmt.c (expand_value_return): Don't use it.
6451         * function.c (free_after_compilation): Don't set it.
6452         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
6453         * cfgexpand.c (tree_expand_cfg): Update call.
6454         * tree.h (expand_function_start): Update decl.
6455
6456 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
6457
6458         PR c/1027
6459         * c-lang.c (c_initialize_diagnostics): Move from here ...
6460         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
6461         (c_tree_printer): Use pretty-printer to format %T.
6462         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
6463         before '*' if not C++.
6464         (pp_c_direct_abstract_declarator): Don't try to print array upper
6465         bound for flexible array members.
6466         * c-tree.h: Include "diagnostic.h".
6467         (c_initialize_diagnostics): Declare.
6468         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
6469         * c-format.c (format_type_warning): New function.  Improve
6470         diagnostics for incorrect format argument types.
6471         (check_format_types): Use it.  Add two parameters.  Use the
6472         TYPE_MAIN_VARIANT of wanted_type.
6473         (check_format_info_main): Pass new parameters to
6474         check_format_types.
6475         (struct format_wanted_type): Update comment.
6476
6477 2004-07-01  Nick Clifton  <nickc@redhat.com>
6478
6479         * target.h (struct gcc_target): Add new field to struct cxx:
6480         import_export_class.
6481         * target-def.h (TARGET_CXX): Initialise the new field.
6482         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
6483         the new field.
6484         * doc/tm.texi: Document the new target hook.
6485
6486 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6487
6488         * builtins.c (fold_builtin_classify): Fix typo.
6489
6490 2004-07-01  Richard Henderson  <rth@redhat.com>
6491
6492         * function.c (identify_blocks, identify_blocks_1): Remove.
6493         * function.h (identify_blocks): Remove.
6494         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
6495
6496 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6497
6498         * builtins.c (fold_builtin_classify): New.
6499         (fold_builtin_unordered_cmp): Fix commentary.
6500         (fold_builtin): Use it.
6501         * builtins.def: Define builtins for isnan,
6502         isnanf, isnanl, finite, finitef, finitel,
6503         isinf, isinff, isinfl.
6504
6505 2004-07-01  Richard Henderson  <rth@redhat.com>
6506
6507         * function.h (struct function): Remove dont_emit_block_notes.
6508         * gimple-low.c (lower_function_body): Don't set it.
6509         * cfgexpand.c (expand_block): Don't check it.
6510         * cfglayout.c (insn_locators_initialize): Likewise.
6511         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
6512         * passes.c (rest_of_compilation): Likewise.
6513         * stmt.c (expand_start_bindings_and_block): Likewise.
6514         (expand_end_bindings): Likewise.
6515
6516 2004-07-01  Richard Henderson  <rth@redhat.com>
6517
6518         * cgraph.h (cgraph_build_static_cdtor): Declare.
6519         * cgraphunit.c (cgraph_build_static_cdtor): New.
6520         * c-objc-common.c (build_cdtor): Use it.
6521         * coverage.c (create_coverage): Likewise.
6522         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
6523         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
6524
6525 See ChangeLog.11 for earlier changes.