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PR c/14492
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2
3         PR c/14492
4         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
5
6 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
7
8         * cfg.c (check_bb_profile): Fix typos.
9         * function.c (assign_parm_is_stack_parm): Likewise.
10         * tree-nested.c: Likewise.
11
12 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
13
14         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
15         Remove TYPECODE.
16         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
17
18 2004-08-23  Eric Christopher  <echristo@redhat.com>
19
20         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
21         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
22         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
23         * target.h: Ditto.
24         * hooks.h: Include machmode.h.
25         (hook_bool_mode_false): Declare.
26         * hooks.c (hook_bool_mode_false): Define.
27         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
28         * stor-layout.c (layout_type): Ditto.
29         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
30         Define to target macro.
31         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
32         * config/arm/arm.c: Ditto. Use.
33         * config/arm/arm.h: Ditto.
34         * config/arm/arm-protos.h: Ditto.
35         * config/i386/i386.c: Ditto.
36         * config/i386/i386.h: Ditto.
37         * config/rs6000/rs6000.c: Ditto.
38         * config/rs6000/rs6000.h: Ditto.
39         * config/sh/sh.c: Ditto.
40         * config/sh/sh.h: Ditto.
41         * config/sh/sh-protos.h: Ditto.
42         * config/sh/sh.md: Use.
43         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
44         to TARGET_VECTOR_MODE_SUPPORTED_P.
45
46 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
47
48         * Makefile.in (BUILD_ERRORS): Set to build-errors.
49         (errors.o): New target for host.
50         (build-errors.o): New target for build.
51         (genobjs): Replace errors.o with build-errors.
52         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
53         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
54         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
55         (fix-header.o): Add errors.h
56         * collect2.c (fancy_abort): Add parameters.
57         * collect2.h (fancy_abort): Don't declare.
58         * errors.h (fancy_abort): Don't declare.
59         * errors.c: Include either bconfig.h or config.h.
60         (fancy_abort): Trim filename.
61         * fix-header.c (v_fatal, fatal): Remove.
62         (progname): Remove definition.
63         (main): Set progname here.
64         * gcc.c (fancy_abort): Add parameters.
65         * gcc.h (fancy_abort): Remove declaration.
66         * gcov.c (fancy_abort): Remove.
67         * rtl.h (fancy_abort): Don't declare.
68         (abort): Don't define.
69         * tree.h (fancy_abort): Don't declare.
70         (abort): Don't define.
71         * system.h (fancy_abort): Declare.
72         (abort): Define to fancy_abort.
73         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
74
75         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
76         (usize_type, ubitsizetype): Remove.
77         * stor-layout.c (set_sizetype): Don't initialize usizetype,
78         ubitsizetype.
79         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
80
81         * tree.h (build_distinct_type_copy): New.
82         (build_type_copy): ... here.  Rename to ...
83         (build_variant_type_copy): ... here.
84         * tree.c (build_qualified_type): Rename build_type_copy call.
85         (build_distinct_type_copy): New, broken out of ...
86         (build_type_copy): ... here.  Rename to ...
87         (build_variant_type_copy): ... here.  Use
88         build_distinct_type_copy.
89         (build_common_tree_nodes_2): Rename build_type_copy call.
90         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
91         call.
92         (handle_packed_attribute, handle_unused_attribute,
93         handle_transparanet_union_attribute, handle_aligned_attribute,
94         handle_deprecated_attribute): Likewise.
95         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
96         Likewise.
97         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
98         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
99         build_distinct_type_copy.
100
101 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
102
103         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
104         attribute.
105
106 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
107
108         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
109         loads and stores.
110         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
111         formerly unnamed patterns.  Redefine using :P for the address.  Remove
112         explicit length attributes.
113
114 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
115
116         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
117         New functions.
118         (single_reachable_address): Use them.
119         (schedule_sm): Add dump.
120         (is_call_clobbered_ref): New function.
121         (determine_lsm_reg): Check whether the reference is call clobbered.
122         Only work for gimple_reg_type values.
123
124 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
125
126         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
127         $31 store insns.  Redefine using :GPR.
128
129 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
130
131         * config/mips/mips.md (P): New mode macro.
132         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
133         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
134         Add mode attributes.
135
136 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
137
138         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
139         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
140         later constants to cover the gap.
141         (load, store): New mode attributes.
142         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
143         Use new unspec constants.
144
145 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
146
147         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
148         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
149         to use register_operand rather than uns_arith_operand as the predicate
150         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
151         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
152         Redefine using :GPR.  Make same predicate change here.  Extend the
153         commutativity of operands 1 and 2 from the SImode version to the
154         DImode one.
155         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
156         but with no predicate changes.
157         (*nor[sd]i3): Redefine using :GPR.
158
159 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
160
161         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
162         noreturn functions.
163
164 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
165
166         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
167         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
168         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
169         rather than "%z2" (with a fake const0_rtx for operand 2).
170         (ffs[sd]i2): Redefine using :GPR.
171         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
172
173 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
174
175         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
176
177 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
178
179         * config/mips/mips.md (any_extend): New code macro.
180         (u, su): New code attributes.
181         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
182         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
183         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
184         (*{s,u}mul_acc_di): Redefine using any_extend.
185         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
186         to reflect real insn names.
187         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
188         with an any_extend template.
189         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
190         Add '*' to name.
191
192 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
193
194         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
195         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
196         (mul[sd]i3_r4000): Redefine using :GPR.
197         (mulsi3_mult3): Don't check TARGET_MAD separately.
198         (muldi3_mult3): Moved after mulsi_mult3.
199
200 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
201
202         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
203         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
204         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
205         (TARGET_GAS, TARGET_MIPS_AS): Delete.
206         (TARGET_GPWORD): Define to true for n32 on IRIX.
207         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
208         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
209         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
210         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
211         (MDEBUG_ASM_SPEC): Delete, folding into...
212         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
213         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
214         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
215         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
216         to define asm_abi_default_spec.
217         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
218         (TARGET_ASM_SELECT_SECTION): Delete.
219         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
220         for non-mips16 code, removing previous workaround for SGI assemblers.
221         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
222         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
223         (override_options): Remove !TARGET_GAS and !have_named_sections code.
224         (print_operand): Fold TARGET_GAS conditionals into asm strings.
225         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
226         ASM_STABS_OP and ASM_STABN_OP.
227         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
228         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
229         (mips_output_function_prologue): Remove !TARGET_GAS code.
230         (mips_select_rtx_section): Remove !have_named_sections code.
231         (mips_select_section): Delete.
232         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
233         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
234         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
235         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
236         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
237         * config/mips/windiss.h (ASM_SPEC): Likewise.
238
239 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
240
241         * read-rtl.c (map_value, mapping, macro_group): New structures.
242         (BELLWETHER_CODE): New macro.
243         (modes, codes, bellwether_codes): New variables.
244         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
245         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
246         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
247         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
248         (add_map_value, initialize_macros): New functions.
249         (def_hash, def_hash_eq_p): Generalize to anything that points to,
250         or starts with, a char * field.
251         (find_macro, read_mapping, check_code_macro): New functions.
252         (read_rtx_1): New, split out from read_rtx.  Handle the new
253         define_{mode,code}_{macro,attr} constructs.  Use find_macro
254         to parse the name of a code or mode.  Use BELLWETHER_CODE to
255         extract the format and to choose a suitable code for rtx_alloc.
256         Modify recursive invocations to use read_rtx_1.
257         (read_rtx): Call initialize_macros.  Apply code and mode macros
258         to the rtx returned by read_rtx_1.  Cache everything after the
259         first macro expansion for subsequent read_rtx calls.
260         * doc/md.texi: Document new .md constructs.
261         * config/mips/mips.md (GPR): New mode macro.
262         (d, si8_di5): New mode attributes.
263         (any_cond): New code macro.
264         (add[sd]i3): Redefine using :GPR.
265         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
266         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
267         previously unnamed MIPS16 patterns.
268         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
269         lines.  Don't match (plus (const_int 0) ...).
270         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
271         Use a define_split to generate the addition.
272         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
273         (subsi3_internal): Delete.
274         (*subsi3_extended): Renamed from subsi3_internal_2.
275         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
276         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
277         using an any_cond template.
278
279 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
280
281         * read-rtl.c (read_rtx): Tidy use of format_ptr.
282
283 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
284
285         * read-rtl.c (string_obstack): New file-scope variable.
286         (read_string, read_quoted_string, read_braced_string)
287         (read_escape): Remove obstack parameter and use string_obstack instead.
288         (read_rtx): Remove function-local rtl_obstack and initialize
289         string_obstack instead.  Update call to read_string.
290
291 2004-08-22  Andrew Pinski  <apinski@apple.com>
292
293         PR c/15262
294         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
295         expression is not constant.
296         (c_finish_return): Do not go through INDIRECT_REF when looking
297         for the inner expression of an ADDR_EXPR for warning about.
298
299 2004-08-22  Richard Henderson  <rth@redhat.com>
300
301         PR 17075
302         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
303         create new blocks and fall through.
304         (expand_gimple_basic_block): Update to match.
305
306 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
307
308         * reload.c (find_reloads_address): Make return value tri-state.
309         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
310         (find_reloads): Assume that reloaded addresses match 'o' or
311         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
312         returned 1 (not -1).  Omit optional reloads for address operands
313         only if find_reloads_address returned 1 (not -1).
314
315         * config/s390/s390.c (legitimize_reload_address): New function.
316         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
317         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
318         legitimize_reload_address.
319
320 2004-08-22  Richard Hendersion  <rth@redhat.com>
321
322         * tree.h (SAVE_EXPR_RESOLVED_P): New.
323         * gimplify.c (gimplify_save_expr): Use it.
324         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
325         on the temporary variable.
326
327 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
328
329         * fold-const.c (rtl_expr_nonnegative_p): Delete.
330         * tree.h (rtl_expr_nonnegative_p): Remove.
331
332 2004-08-22  Steven Bosscher  <stevenb@suse.de>
333
334         * config/i386/ppro.md (ppro_complex_insn): Add missing check
335         for cpu==pentiumpro.
336
337         * combine.c (struct reg_stat): Fix comment typo.
338
339 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
340
341         * c-tree.h (c_sizeof_nowarn): Remove.
342
343 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
344
345         * c-decl.c (set_array_declarator_type): Rename to
346         set_array_declarator_inner.
347         (build_c_parm, build_attrs_declarator, build_function_declarator):
348         New functions.
349         (make_pointer_declarator): Call build_attrs_declarator.
350         * c-tree.h (set_array_declarator_type): Rename to
351         set_array_declarator_inner.
352         (build_c_parm, build_attrs_declarator, build_function_declarator):
353         New prototypes.
354         * c-parse.in (after_type_declarator,
355         parm_declarator_starttypename, parm_declarator_nostarttypename,
356         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
357         firstparm): Use these functions
358
359 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
360
361         * c-decl.c (build_array_declarator, set_array_declarator_type,
362         start_decl, grokdeclarator, grokparms): Change boolean parameters
363         to type bool.
364         * c-tree.h (build_array_declarator, set_array_declarator_type,
365         start_decl): Update prototypes.
366         * c-decl.c, c-parse.in: All callers changed.
367
368 2004-08-21  Mike Stump  <mrs@apple.com>
369
370         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
371         (darwin_fix_and_continue): Likewise.
372         (darwin_fix_and_continue_switch): Likewise.
373         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
374         (darwin_fix_and_continue): Likewise.
375         (darwin_fix_and_continue_switch): Likewise.
376
377 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
378
379         PR  c++/16030
380         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
381         Remove, merging into ...
382         (gen_stdcall_or_fastcall_suffix): New function, returning tree
383         rather than const char*, and accepting additional parameter.
384         Don't add suffix to '*'-prefixed symbols or variadic functions.
385         (i386_pe_encode_section_info): Adjust for call to new function.
386         Call change_decl_assembler_name.
387
388 2004-08-20  Mike Stump  <mrs@apple.com>
389
390         * config/darwin.c (machopic_indirect_data_reference): Mark
391         stubs as defined.
392         * config/386/386.c (darwin_local_data_pic): Add.
393         (legitimate_constant_p): Reorder so that PLUS handling runs
394         before darwin_local_data_pic to match the ordering in
395         legitimate_pic_address_disp_p and so that MINUS runs after
396         darwin_local_data_pic as otherwise the darwin_local_data_pic
397         logic can be skipped, which would be very bad.
398         (legitimate_pic_address_disp_p): Move from from here to
399         darwin_local_data_pic so it can be reused.
400
401 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
402
403         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
404         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
405         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
406         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
407         (RS6000_ABI_NAME): Define as "linux".
408         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
409         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
410         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
411         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
412         * config/rs6000/rs6000.c (dot_symbols): New global var.
413         (rs6000_output_function_entry): New function, modified for
414         !DOT_SYMBOLS..
415         (print_operand <case 'z'>): ..extracted from here.
416         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
417         (rs6000_output_function_epilogue): Likewise.
418         (rs6000_elf_declare_function_name): Likewise.
419         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
420         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
421         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
422         * configure: Regenerate.
423         * config.in: Regenerate.
424
425 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
426
427         * reload.c (find_reloads_address): Fix thinko in previous change.
428
429         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
430         a CONST_INT.
431
432 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
433
434         PR rtl-optimization/17099
435         * combine.c (force_to_mode): Check if inner_mask has any bits set
436         outside of GET_MODE (x) instead of op_mode.
437
438 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
439
440         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
441         fragment.
442         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
443         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
444         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
445         architecture.
446         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
447         configurations.
448         * config/arm/t-symbian: New file.
449
450 2004-08-20  Andrew Pinski  <apinski@apple.com>
451
452         * regrename.c (kill_value_regno): ANSIfy.
453
454 2004-08-20  Dale Johannesen  <dalej@apple.com>
455
456         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
457
458 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
459
460         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
461         (kill_value_regno): New function, derived from kill_value.
462         (kill_value): Update.
463         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
464
465 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
466
467         Fix PR tree-optimization/17111
468         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
469         of non-value_handles.
470         (bitmap_set_contains): All constants are in every set.
471
472 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
473
474         * fold-const.c (round_up, round_down): Use build_int_cst.
475         Optimize common case.
476
477 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
478             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
479
480         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
481         one_only_data_section): Rename to som_readonly_data_section,
482         som_one_only_readonly_data_section and som_one_only_data_section.
483         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
484         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
485         conditional defines.
486         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
487         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
488         string values.
489         (pa_select_section): Use renamed section functions.
490         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
491         SOM_READONLY_DATA_SECTION_FUNCTION,
492         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
493         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
494         Define here ...
495         * config/pa/som.h: ... not here.
496         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
497         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
498         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
499         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
500         (READONLY_DATA_SECTION): Use som_readonly_data_section.
501
502 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
503
504         * fold-const.c (int_const_binop): Don't generate non-overflowing
505         size-types specially.
506         (fold_convert_const): Likewise.
507
508         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
509         clear cache on copied sizetype.
510
511 2004-08-20  Ben Elliston  <bje@au.ibm.com>
512
513         * configure.ac: Don't escape apostrophe in --enable-coverage help.
514         * configure: Regenerate.
515
516 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
517
518         PR 5620
519         * gcc.c (struct stat input_stat): Don't define if
520         HOST_LACKS_INODE_NUMBERS
521         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
522         than stat to determine if temp file is same as input file.
523         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
524         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
525
526 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
527
528         * configure.ac (mips*-*-*): Print an error if not using GAS.
529         * configure: Regenerated.
530         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
531         comments about buggy MIPSpro assemblers.
532         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
533         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
534         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
535         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
536         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
537         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
538         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
539         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
540         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
541         of more general IRIX 6 definitions.
542         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
543         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
544         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
545         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
546         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
547         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
548         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
549         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
550         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
551         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
552         (LINK_SPEC): Move most of definition to iris.h.
553         (SUBTARGET_LINK_SPEC): New macro.
554         (IRIX_STARTFILE_SPEC): Fold into...
555         (STARTFILE_SPEC): ...here.
556         (IRIX_ENDFILE_SPEC): Fold into...
557         (ENDFILE_SPEC): ...here.
558         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
559         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
560         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
561         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
562         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
563         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
564         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
565         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
566         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
567         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
568         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
569         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
570         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
571         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
572         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
573         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
574         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
575         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
576         (TARGET_IRIX6): Define to 1.
577         (DRIVER_SELF_SPECS): Define.
578         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
579         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
580         (SUBTARGET_LINK_SPEC): New macro.
581         (IRIX_STARTFILE_SPEC): Fold into...
582         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
583         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
584         (LIB_SPEC, LIBGCC_SPEC): Use them.
585         (LIB_SPEC): Remove !mabi=* case.
586         (IRIX_ENDFILE_SPEC): Fold into...
587         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
588         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
589         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
590         (TARGET_IRIX6): New macro.
591         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
592         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
593         (LABEL_AFTER_LOC): Delete.
594         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
595         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
596         (mips_build_builtin_va_list): Check TARGET_IRIX6.
597         (override_options): Remove TARGET_SGI_O32_AS-related code.
598         (irix_output_external_libcall): Make static.
599         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
600         LABEL_AFTER_LOC.
601         (mips_file_start): Tidy guard for ABI sections.  Remove use of
602         ABICALLS_ASM_OP; use .abicalls instead.
603         (mips_output_aligned_decl_common, mips_declare_object_name)
604         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
605         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
606         .globl foo .text directives.
607         (irix_asm_named_section_1, irix_asm_named_section)
608         (irix_section_align_entry, irix_section_align_htab)
609         (irix_orig_asm_out_file, irix_section_align_entry_eq)
610         (irix_section_align_entry_hash, irix_asm_output_align)
611         (irix_file_start, irix_section_align_1, copy_file_data)
612         (irix_file_end, irix_section_type_flags): Delete.
613         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
614         Use standard section syntax.  Remove protective "jr $31".
615         (__gcc_fini): Likewise .gcc_fini.
616         * config/mips/irix-crtn.asm: Adjust sections accordingly.
617         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
618         iris5gas.h.
619         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
620         from t-irix-gld.
621         (EXTRA_MULTILIB_PARTS): Define.
622         * config/mips/t-iris6: Remove bogus comment.
623         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
624         * config/mips/iris5gas.h, config/mips/iris5gld.h,
625         config/mips/iris6gas.h, config/mips/iris6gld.h,
626         config/mips/t-iris5-as, config/mips/t-iris5-gas
627         config/mips/t-irix-gld: Delete.
628         * config/mips/iris.h: New file.
629         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
630
631 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
632
633         * postreload.c (reload_cse_move2add): Allow any condjump, but check
634         that the implicit set isn't clobbered in the jump insn.
635
636 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
637
638         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
639         * optabs.c (init_optabs): Don't check it.
640         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
641         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
642
643 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
644
645         * config/s390/s390.md (s390_warn_framesize_string)
646         (s390_warn_dynamic_string, s390_stack_size_string)
647         (s390_stack_guard_string): New global string variables.
648         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
649         (s390_stack_guard): New global variables.
650         (override_options): Added checks for the new options.
651         (s390_emit_prologue): Emit stack check and trap code and perform
652         compile time stack size checking.
653
654         * config/s390/s390.h (TARGET_OPTIONS): Added new options
655         "warn-framesize", "warn-dynamicstack", "stack-size" and
656         "stack-guard".
657
658         * doc/invoke.texi: Added documentation for the new options.
659
660 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
661
662         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
663         to eliminate warning.
664         (linear_search_fdes): Declare p as unsigned.
665         (binary_search_mixed_encoding_fdes): Likewise.
666         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
667         to eliminate warning.
668         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
669         type cast.
670
671 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
672
673         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
674         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
675         instead of one.  Check for strictly legitimate address.
676         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
677         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
678
679 2004-08-19  Eric Christopher  <echristo@redhat.com>
680
681         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
682         * langhooks.h (unsave_expr_now): Ditto.
683         * tree.h (unsave_expr_1): Remove prototype.
684         (lhd_unsave_expr_now): Rename to unsave_expr_now.
685         * tree-inline.c (unsave_expr_1): Move here
686         from tree.c. Make static.
687         (unsave_expr_now): Rename from lhd_unsave_expr_now.
688         * tree-sra.c: Fix up for rename.
689         * tree-ssa-copy.c: Ditto.
690         * tree-eh.c: Ditto.
691         * tree.c (unsave_expr_1): Move to tree-inline.c.
692
693 2004-08-19  Caroline Tice  <ctice@apple.com>
694
695         * config/i386/cygming.h (switch_to_section):  Fix typo (change
696         in_unlikely_text_section to in_unlikely_executed_text).
697
698 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
699
700         * vec.h (VEC_lower_bound): New macro.
701
702 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
703
704         PR target/16446
705         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
706         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
707         treat each ABI separately.  Deal with n32/n64 complex float arguments.
708         (function_arg): Add associated complex handling here.
709
710 2004-08-19  Richard Henderson  <rth@redhat.com>
711
712         * config/arm/arm.c (arm_gen_load_multiple): Use
713         adjust_automodify_address.  Take base memory and offset instead
714         of unchanging/struct/scalar bits.
715         (arm_gen_store_multiple): Likewise.
716         (arm_gen_movmemqi): Use adjust_automodify_address.
717         * config/arm/arm-protos.h: Update decls.
718         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
719         (store_multiple): Similarly.
720
721 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
722
723         * regclass.c (globalize_reg): Update call_really_used_regs.
724
725 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
726
727         * doc/invoke.texi (integer-share-limit): Document.
728
729         * tree.h (TYPE_CACHED_VALUES_P): New.
730         (TYPE_CACHED_VALUES): New.
731         (TYPE_ORIG_SIZE_TYPE): Adjust.
732         * tree.def (INTEGER_CST): Update documentation.
733         * tree.c: Inlcude params.h.
734         (build_int_cst): Cache small values.
735         (build_type_copy): Do not copy the value cache.
736         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
737         unneeded zeroing.
738         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
739         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
740         cache.
741         * fold-const.c (force_fit_type): Copy value when setting
742         overflows.
743         (int_const_binop): Likewise.
744         * stor-layout.c: Include params.h
745         (set_sizetype): Create values cache.
746         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
747         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
748         * params.h (INTEGER_SHARE_LIMIT): New.
749         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
750
751 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
752
753         * gimplify.c (gimplify_minimax_expr): Remove.
754         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
755
756 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
757
758         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
759         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
760
761 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
762
763         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
764
765 2004-08-18  Andrew Pinski  <apinski@apple.com>
766
767         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
768
769 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
770
771         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
772         (__aeabi_ul2f): Likewise.
773
774 2004-08-18  Richard Henderson  <rth@redhat.com>
775
776         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
777         move to rtl completely.
778         (struct meminsnbuf, xtensa_emit_block_move): Remove.
779         (xtensa_find_mode_for_size): Remove.
780         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
781         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
782
783 2004-08-18  Richard Henderson  <rth@redhat.com>
784
785         * config/mcore/mcore.c (mode_from_align): Remove DImode.
786         (block_move_sequence): Rewrite to use adjust_address.
787         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
788         Return boolean indicating success/failure.
789         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
790         * config/mcore/mcore.md (movmemsi): Update to match.
791
792 2004-08-18  Mike Stump  <mrs@apple.com>
793
794         * doc/invoke.texi (-mfix-and-continue): Add support for
795         fast turn around debugging.
796         (-ffix-and-continue): Likewise.
797         (-mindirect-data): Likewise.
798         (-findirect-data): Likewise.
799         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
800         (indirect_data): Likewise.
801         (machopic_data_defined_p): Likewise.
802         (machopic_output_indirection): Likewise.
803         (darwin_encode_section_info): Likewise.
804         (darwin_fix_and_continue): Likewise.
805         (darwin_fix_and_continue_switch): Likewise.
806         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
807         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
808         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
809         (SUBTARGET_OPTIONS): Likewise.
810         (darwin_fix_and_continue): Likewise.
811         (darwin_fix_and_continue_switch): Likewise.
812         (TARGET_FIX_AND_CONTINUE): Likewise.
813         * config/rs6000.c (rs6000_emit_prologue): Likewise.
814
815 2004-08-19  Steven Bosscher  <stevenb@suse.de>
816
817         * basic-block.h (struct edge_def): Remove crossing_edge.
818         (EDGE_CROSSING): New define.
819         (EDGE_ALL_FLAGS): Update.
820         * bb-reorder.c (find_traces_1_round, better_edge_p,
821         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
822         find_jump_block, fix_crossing_conditional_branches,
823         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
824         Replace all occurences of crossing_edge with an edge flag check
825         or set/reset.
826         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
827         try_crossjump_bb): Likewise.
828         * cfglayout.c (fixup_reorder_chain): Likewise.
829         * cfgrtl.c (force_nonfallthru_and_redirect,
830         commit_one_edge_insertion): Likewise.
831
832         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
833         * tree-flow.h (compute_dominance_frontiers): Move prototype...
834         * basic-block.h:  ...here.
835         * tree-cfg.c (compute_dominance_frontiers_1,
836         compute_dominance_frontiers): Move from here...
837         * cfganal.c: ...to here.  Include timevar.h.
838
839 2004-08-18  James E Wilson  <wilson@specifixinc.com>
840
841         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
842         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
843
844         * config/mips/mips.md (type): Add frdiv.
845         (divsf3+1, divsf3+2): Change type to frdiv.
846         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
847         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
848
849         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
850         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
851         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
852         * config/mips/5000.md (r5k_fdiv_single): Likewise.
853         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
854         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
855         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
856         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
857         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
858         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
859         Likewise.
860         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
861
862 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
863
864         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
865         get regression tester working again.
866
867 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
868
869         * insn-notes.def, reg-notes.def: New files.
870         * rtl.h: Use them to define enum insn_note and enum reg_note.
871         * rtl.c: Use them to define note_insn_name and reg_note_name.
872         * Makefile.in (RTL_BASE_H): Update.
873
874         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
875         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
876
877 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
878
879         * arm.c (arm_size_rtx_costs): New function.
880         (arm_override_options): Use it if optimizing for space.
881
882 2004-08-18  Richard Henderson  <rth@redhat.com>
883
884         * emit-rtl.c (gen_const_mem): New.
885         * rtl.h (gen_const_mem): Declare.
886         * expr.c (do_tablejump): Use it.
887         * varasm.c (force_const_mem): Likewise.
888         * config/darwin.c (machopic_indirect_data_reference): Likewise.
889         (machopic_legitimize_pic_address): Likewise.
890         * config/arm/arm.c (legitimize_pic_address): Likewise.
891         * config/i386/i386.c (legitimize_pic_address): Likewise.
892         (legitimize_tls_address): Likewise.
893         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
894         * config/ia64/ia64.md (load_fptr): Likewise.
895         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
896         * config/pa/pa.c (legitimize_pic_address): Likewise.
897         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
898         (rs6000_emit_move): Likewise.
899         * config/s390/s390.c (legitimize_pic_address): Likewise.
900         (legitimize_tls_address): Likewise.
901         * config/s390/s390.md (casesi): Likewise.
902         * config/sh/sh.c (sh_reorg): Likewise.
903         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
904         * config/v850/v850.md (casesi): Likewise.
905
906         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
907         * config/sh/sh.c (prepare_move_operands): Remove incorrect
908         use of MEM_READONLY_P.
909
910 2004-08-18  Steven Bosscher  <stevenb@suse.de>
911
912         * Makefile.in (OBJS-common): Add postreload-gcse.c.
913         Add new postreload-gcse.o.
914         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
915         (lookup_as_function, insert, rehash_using_reg, use_related_value,
916         equiv_constant): Use SAFE_HASH instead of safe_hash.
917         (exp_equiv_p): Export.  Add for_gcse argument when comparing
918         for GCSE.
919         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
920         find_comparison_args, fold_rtx, cse_insn): Update callers.
921         (hash_rtx): New function derived from old canon_hash and bits
922         from gcse.c hash_expr_1.
923         (canon_hash_string): Rename to hash_rtx_string.
924         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
925         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
926         (cselib_lookup): Update this caller.
927         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
928         Make static.
929         (hash_expr): Call hash_rtx.
930         (ldst_entry): Likewise.
931         (expr_equiv_p): Call exp_equiv_p.
932         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
933         reg_used_on_edge, reg_set_between_after_reload_p,
934         reg_used_between_after_reload_p, get_avail_load_store_reg,
935         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
936         get_bb_avail_insn, hash_scan_set_after_reload,
937         compute_hash_table_after_reload,
938         eliminate_partially_redundant_loads, gcse_after_reload,
939         get_bb_avail_insn, gcse_after_reload_main): Remove.
940         * postreload-gcse.c: New file, reincarnating most of the above.
941         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
942         (gcse_after_reload_main): Update prototype.
943         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
944         * passes.c (rest_of_handle_gcse2): Use it.
945
946 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
947
948         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
949         (pass_loop_done): Likewise.
950
951 2004-08-18  Andrew Pinski  <apinski@apple.com>
952
953         * config/rs6000/darwin.md: Delete the altivec patterns which are
954         handled differently now.
955         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
956         (macho_correct_pic_di): Likewise.
957         (call_indirect_nonlocal_darwin64): Likewise.
958         Delete the save world/saveFP/saveVec patterns.
959
960         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
961         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
962         * config/rs6000/rs6000.md: Include darwin.md.
963         (builtin_setjmp_receiver): Add DImode case.
964         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
965         Darwin bits.
966
967 2004-08-18  Matt Austern  <austern@apple.com>
968
969         Dead code stripping
970         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
971         * darwin.c (darwin_file_end): Mark file as potentially strippable.
972
973 2004-08-18  Richard Henderson  <rth@redhat.com>
974
975         * alias.c (readonly_fields_p): Remove.
976         (objects_must_conflict_p): Don't call it.
977         * tree.h (readonly_fields_p): Remove.
978         * langhooks.h (struct lang_hooks): Remove honor_readonly.
979         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
980
981 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
982
983         * tree-dfa.c (add_referenced_var): Only global variables are
984         call-clobbered.
985         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
986         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
987         all pointers dereferenced if the statement dereferences them.
988         (create_name_tags): Do not create memory tags for pointers
989         that have PT_ANYTHING set.
990         Also check if PT_VARS is not empty before creating a name tag.
991         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
992         variables that share the same alias set with a pointer that
993         may point anywhere.
994         (add_may_alias): Add FIXME comment to remove clobbering
995         aliased variables and tags.
996         (replace_may_alias): Likewise.
997         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
998         (merge_pointed_to_info): If the original variable has not
999         points-to information, call set_pt_anything.
1000         (add_pointed_to_var): Do not prevent adding a pointed-to
1001         variable if the pointers is PT_ANYTHING.
1002         If the variable is a global, set PT_GLOBAL_MEM.
1003         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
1004         pointer type only come in PTR+OFFSET flavours.
1005         Always call merge_pointed_to_info on PHI arguments that are
1006         SSA_NAMEs.
1007         (get_nmt_for): Mark call-clobbered tags whose pointer points
1008         to global memory.
1009         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
1010         values.
1011         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
1012         FLAGS.
1013         (add_stmt_operand): Abort if the caller tried to add a killing
1014         definition for a memory tag.
1015         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
1016         unnecessary checks.
1017
1018 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
1019
1020         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
1021         from call_used_regs.  Update call_really_used_regs.
1022         (CALL_REALLY_USED_REGISTERS): Define.
1023         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
1024         Replace call_used_regs with call_really_used_regs.
1025         (calc_live_regs, sh_media_register_for_return): Likewise.
1026         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
1027         * sh.md (return_media): Likewise.
1028
1029 2004-08-18  Andrew Pinski  <apinski@apple.com>
1030
1031         * config/darwin.c (machopic_legitimize_pic_address): Only set
1032         MEM_READONLY_P in the non TARGET_TOC case.
1033
1034 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1035
1036         * rtl.def (NIL): Delete.
1037         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
1038         Tighten the syntax a little.
1039
1040         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
1041         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
1042         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
1043         * config/i386/predicates.md, config/m32r/m32r.h
1044         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
1045         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
1046         * config/sparc/sparc.h, doc/tm.texi:
1047         Replace all occurrences of NIL with UNKNOWN.
1048
1049 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1050
1051         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
1052         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
1053         sequence inline.  Move drop_through_label code into this
1054         block, being the only place it is used.  Adjust comments.
1055
1056 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
1057
1058         * config/rs6000/altivec.md: Add new patterns for calls to
1059         save_world/rest_world functions.
1060
1061         * config/rs6000/rs6000-protos.h: (save_world_operation,
1062         restore_world_operation) new declarations.
1063
1064         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
1065         field added.
1066         (rs6000_stack_info): Set world_save_p field.
1067         (save_world_operation): New function.
1068         (restore_world_operation): New function.
1069         (compute_save_world_info): New function.
1070         (rs6000_stack_info): Call compute_save_world_info.
1071         (rs6000_emit_prologue): Check for world_save_p and generate
1072         pattern to call save_world for saving all non-volatile and
1073         special registers.
1074         (rs6000_emit_epilogue): Check for world_save_p and generate
1075         pattern to call rest_world to restore saved registers.
1076
1077         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
1078         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
1079         (rs6000_reg_names): New entries added for save_world_operation and
1080         restore_world_operation.
1081
1082 2004-08-18  Caroline Tice  <ctice@apple.com>
1083
1084         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
1085         "-freorder-blocks-and-partition" to the flags used in second
1086         stage of profiledbootstrap.
1087         * bb-reorder.c (push_to_next_round_p): Add new variable,
1088         next_round_is_last; set and use variable to make sure, when
1089         partitioning, that the last trace construction round consists
1090         of all (and only) cold basic blocks.
1091         (rotate_loop): Don't copy blocks that end in a section
1092         crossing jump.
1093         (copy_bb): Correctly initialize "partition" of duplicated bb.
1094         (add_unlikely_executed_notes): Add a comment.
1095         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
1096         to make sure, if function contains hot blocks, that the
1097         successors of ENTRY_BLOCK_PTR are hot; also, only look for
1098         crossing edges if the architecture supports named sections.
1099         (mark_bb_for_unlikely_executed_section): Modify to always
1100         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
1101         the basic block note insn.
1102         (fix_crossing_unconditional_branches): Remove extra space.
1103         (fix_edges_for_rarely_executed_code): Modify to only do
1104         partitioning work if the architecture supports named sections.
1105         (reorder_basic_blocks): Modify to only add
1106         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
1107         supports named sections.
1108         * c-common.c (handle_section_attribute): Initialize new global
1109         variable, user_defined_section_attribute, to true if user has
1110         specified one.
1111         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
1112         forward edges that cross section boundaries.
1113         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
1114         partitioning information if the architecture supports named
1115         sections.
1116         * cfgrtl.c (target.h): Add statement to include this.
1117         (rtl_split_block): Make sure newly created bb gets correct
1118         partition.
1119         (try_redirect_by_replacing_jump): Make sure redirection isn't
1120         attempting to cross section boundaries.
1121         (force_nonfallthru_and_redirect): Only do partition fix up if
1122         architecture supports named sections.
1123         (rtl_split_edge): Make sure newly created bb ends up in
1124         correct partition.
1125         (commit_one_edge_insertion): Remove code that incorrectly
1126         updated basic block partition; Make sure partition fix up only
1127         happens if architecture supports named sections and it's not
1128         already done.
1129         (rtl_verify_flow_info_1): Fix if-condition on test/error
1130         condition that fallthru edges are not allowed to cross section
1131         boundaries.
1132         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
1133         * final.c (final_scan_insn): Remove redundant test from if-statement;
1134         change calls to text_section into calls to function_section; add code
1135         to only to partitioning fix up if architecture supports named
1136         sections.
1137         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
1138         partition.
1139         (if_convert): Add targetm.have_named_sections to test.
1140         * output.h (unlikely_section_label): Extern declaration for new global
1141         variable.
1142         (unlikely_text_section_name): Likewise.
1143         * opts.c (decode_options): If both partitioning and DWARF debugging
1144         are turned on, issue a warning that this doesn't work, and change
1145         partitiong to basic block reordering (without hot/cold partitions).
1146         * passes.c (rest_of_handle_final): Re-set new global variable,
1147         user_defined_section_attribute, to false.
1148         (rest_of_compilation): Change options for calling partitioning
1149         function: Don't call if the user defined the section attribute, and
1150         don't call if DECL_ONE_ONLY is true for the current function.
1151         * predict.c (choose_function_section): Return immediately if we
1152         are doing hot/cold partitioning (i.e. let the basic block partitioning
1153         determine where the function belongs).
1154         * reg-stack.c (emit_swap_insn): Add condition to step over
1155         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
1156         * toplev.c (user_defined_section_attribute): New global variable.
1157         * toplev.h (user_defined_section_attribute): Extern declaration
1158         for new global variable.
1159         * varasm.c (unlikely_section_label): New global variable.
1160         (unlikely_text_section_name): New global variable.
1161         (unlikely_text_section): Add code to initialize
1162         unlikely_text_section_name if necessary; modify to use
1163         unlikely_text_section_name and unlikely_section_label; also to use
1164         named_section properly.
1165         (in_unlikely_text_section):  Modify to work correctly with
1166         named_section and to use unlikely_text_section_name.
1167         (named_section):  Add code to work properly with cold section.
1168         (function_section): Clean up if-statement.
1169         * config/darwin.c (darwin_asm_named_section): Return to original
1170         code, removing use of SECTION_FORMAT_STRING.
1171         * config/arm/pe.h (switch_to_section):  Add case for
1172         in_unlikely_executed_text to switch statement.
1173         * config/i386/cygming.h (switch_to_section): Likewise.
1174         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1175         (SECTION_FORMAT_STRING): Likewise.
1176         * config/mcore/mcore.h (switch_to_section): Likewise.
1177         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1178         (SECTION_FORMAT_STRING): Remove.
1179
1180 2004-08-18  Roger Sayle  <roger@eyesopen.com>
1181
1182         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
1183         -ffixed-reg safe, by preserving the meanings of zero and one.
1184         (CALL_USED_REGISTERS): Likewise.
1185         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
1186
1187 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1188
1189         * config/sh/sh.c (split_branches): Check the result of
1190         next_active_insn.
1191         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
1192         Call rtl_register_cfg_hooks.
1193
1194 2004-08-18  Richard Henderson  <rth@redhat.com>
1195
1196         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1197         * alias.c (true_dependence): Update to match new semantics.
1198         (canon_true_dependence, write_dependence_p): Likewise.
1199         (anti_dependence, output_dependence): Update write_dependence_p args.
1200         (unchanging_anti_dependence): Remove.
1201         * calls.c (purge_mem_unchanging_flag): Remove.
1202         (fixup_tail_calls): Don't call it.
1203         (expand_call): Don't add unchanging memory to function usage.
1204         * expr.c (emit_block_move_via_libcall): Likewise.
1205         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
1206         (get_subtarget): Don't use RTX_UNCHANGING_P.
1207         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
1208         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
1209         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
1210         * cse.c (insert): Don't use RTX_UNCHANGING_P.
1211         (cse_insn, canon_hash): Use MEM_READONLY_P.
1212         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
1213         instead of RTX_UNCHANGING_P.
1214         * explow.c (maybe_set_unchanging): Remove.
1215         * expr.h (maybe_set_unchanging): Remove.
1216         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
1217         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
1218         (assign_parm_setup_reg, expand_function_start): Likewise.
1219         * integrate.c (copy_rtx_and_substitute): Likewise.
1220         * ra-rewrite.c (emit_colors): Likewise.
1221         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
1222         (fixup_match_1): Likewise.
1223         * reload1.c (reload, alter_reg): Likewise.
1224         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
1225         not RTX_UNCHANGING_P.
1226         (equiv_init_varies_p): Likewise.
1227         * loop-invariant.c (check_maybe_invariant): Likewise.
1228         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
1229         * loop.c (note_addr_stored): Likewise.
1230         (prescan_loop): Likewise. Don't check function usage for clobbered
1231         unchanging memory.
1232         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
1233         not RTX_UNCHANGING_P.
1234         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
1235         * varasm.c (force_const_mem): Likewise.
1236         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
1237         * web.c (entry_register): Likewise.
1238         * tree-gimple.h (get_base_address): Move decl ...
1239         * tree.h: ... here.
1240         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1241
1242         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
1243         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
1244         (alpha_set_memflags): Update to match.
1245
1246         * config/darwin.c (machopic_indirect_data_reference): Set
1247         MEM_READONLY_P instead of RTX_UNCHANGING_P.
1248         (machopic_indirect_call_target): Likewise.
1249         (machopic_legitimize_pic_address): Likewise.
1250         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
1251         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
1252         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
1253         * config/frv/frv.md (symGOT2reg): Likewise.
1254         * config/i386/i386.c (legitimize_pic_address,
1255         legitimize_tls_address, ix86_split_to_parts): Likewise.
1256         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1257         * config/ia64/ia64.md (load_fptr): Likewise.
1258         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
1259         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
1260         * config/mcore/mcore.c (block_move_sequence): Likewise.
1261         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
1262         * config/pa/pa.c (legitimize_pic_address): Likewise.
1263         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1264         (rs6000_emit_move): Likewise.
1265         * config/s390/s390.c (legitimize_pic_address): Likewise.
1266         (legitimize_tls_address): Likewise.
1267         * config/s390/s390.md (casesi): Likewise.
1268         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
1269         * config/sh/sh.md (symGOT2reg): Likewise.
1270         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
1271         * config/v850/v850.md (casesi): Likewise.
1272
1273         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
1274         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
1275         * config/mips/mips.c (mips_restore_gp): Likewise.
1276         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
1277         * config/sh/sh.c (sh_reorg): Likewise.
1278
1279 2004-08-18  Richard Henderson  <rth@redhat.com>
1280
1281         * tree.h (struct tree_decl): Add gimple_formal_temp.
1282         (DECL_GIMPLE_FORMAL_TEMP_P): New.
1283         * gimplify.c (pop_gimplify_context): Clear it.
1284         (lookup_tmp_var): Set it, if is_formal.
1285         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
1286         Use is_gimple_val for VECTOR.  Simplify return value.
1287         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
1288         (gimplify_expr): Likewise.
1289         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
1290         is_gimple_tmp_rhs for clarity.  Update all callers.
1291         (is_gimple_reg_rhs): Simplify logic.
1292         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
1293         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
1294         (is_gimple_formal_tmp_reg): Similarly.
1295         * tree-gimple.h: Update decls.
1296         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
1297         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
1298         * tree-ssa-live.c (var_union, type_var_init): Likewise.
1299
1300 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
1301
1302         * c4x.c (legitimize_operands): Remove calls to
1303         preserve_subexpressions_p.
1304
1305 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
1306
1307         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
1308         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
1309
1310 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
1311
1312         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
1313         Objective-C++ extensions.
1314         * gengtype.c (get_file_basename): Match entire subdirectory name
1315         ('cp', 'objc', 'objcp') rather than just its suffix.
1316         (get_base_file_bitmap): Allow for files to belong to more than one
1317         language.
1318         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
1319         used by more than one front-end.
1320
1321 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
1322
1323         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
1324         avoid use of preserve_subexpressions_p.
1325
1326 2004-08-17  Richard Henderson  <rth@redhat.com>
1327
1328         PR 17051
1329         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
1330
1331 2004-08-17  DJ Delorie  <dj@redhat.com>
1332
1333         * doc/extend.texi: Document new xstormy16 attribute.
1334
1335         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
1336         (xstormy16_splittable_below100_or_register): New.
1337         (combine_bnp): New.
1338         (xstormy16_reorg): New.
1339         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1340
1341         * config/stormy16/stormy16.md (movqi_internal): Make name public.
1342         (movhi_internal): Likewise.
1343         (cbhranchhi): Likewise.
1344         (cbhranchhi_neg): Likewise.
1345         (andhi3): Only allow splittable below100 operands.
1346         (iorhi3): Likewise.
1347         (peephole2): New and/zero_extend->and peephole.
1348         (peephole2): New load/ior/save->set1 peephole.
1349         (peephole2): New load/and/save->clr1 peephole.
1350         (bclrx, bclrx2, bclr7, bclr15): New.
1351         (bsetx, bsetx2, bset7, bset15): New.
1352
1353         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
1354         liberal about acceptable 'B' masks.
1355
1356         * config/stormy16/stormy16-protos.h
1357         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
1358         xstormy16_below100_operand, xstormy16_below100_or_register,
1359         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
1360         (PREDICATE_CODES): Add new predicates.
1361
1362         * config/stormy16/stormy16.c
1363         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
1364         xstormy16_below100_operand, xstormy16_below100_or_register,
1365         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
1366         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
1367         (xstormy16_legitimate_address_p): Allow below100 symbols.
1368         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
1369         (xstormy16_expand_move): Leave below100 operands as-is.
1370         (xstormy16_encode_section_info): Encode below100 symbols.
1371         (xstormy16_strip_name_encoding): New.
1372         (xstormy16_print_operand): Print 'b' as shift mask.
1373         (xstormy16_attribute_table): Add below100 attributes.
1374         (xstormy16_handle_below100_attribute): New.
1375
1376         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
1377         (XSTORMY16_SECTION_FUNCTION): New.
1378         (EXTRA_SECTION_FUNCTIONS): Define using the above.
1379         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
1380         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
1381         (ASM_OUTPUT_LABELREF): Define.
1382
1383         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
1384         (movhi_internal): Add below100 support.
1385         (andhi3): Add below100 support.
1386         (iorhi3): Add below100 support.
1387         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
1388
1389 2004-08-17  James E Wilson  <wilson@specifixinc.com>
1390
1391         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
1392         of VOIDmode for comparison code mode.
1393         * config/mips/mips.md: For conditional move patterns, use mode of
1394         first compare operand for comparison mode, instead of VOIDmode.
1395
1396         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
1397         normal and -ffast-math code.
1398
1399 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
1400
1401         PR c++/15871
1402         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
1403
1404 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
1405
1406         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
1407
1408 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
1409
1410         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
1411         for non Darwin targets.
1412         (*call_value_nonlocal_darwin64): Likewise.
1413
1414 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
1415
1416         * config/rs6000/rs6000.c (rs6000_function_value): Check for
1417         altivec mode for altivec return register.
1418
1419 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
1420
1421         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
1422         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1423         * config/rs6000/rs6000.md: Include darwin.md.
1424         (builtin_setjmp_receiver): Add DImode case.
1425         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
1426         Darwin bits.
1427
1428 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
1429
1430         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
1431         trees.
1432         * tree-vectorizer.h: New File: Same.
1433         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
1434         * common.opt (ftree-vectorize): New flag to enable vectorization.
1435         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
1436         vectorization pass.
1437         * tree-data-ref.h (init_data_ref): Additional argument.
1438         (array_base_name_differ_p): Moved to tree-data-ref.c.
1439         * tree-data-ref.c (array_base_name_differ_p): Revised.
1440         (initialize_data_dependence_relation): Call array_base_name_differ_p
1441         with an extra argument.
1442         (analyze_all_data_dependences): Same.
1443         (init_data_ref): Additional argument is_read to set DR_IS_READ.
1444         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
1445         file.
1446         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
1447         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
1448         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
1449         vectorization pass.
1450         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
1451         (tree_ssa_loop_done): Call scev_finalize.
1452         (tree_vectorize): Define the new vectorization pass.
1453         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
1454         size of the vector they support (until support for multiple vector
1455         sizes is added to the vectorizer).
1456         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
1457         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
1458         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
1459         documentation.
1460
1461 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
1462
1463         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
1464         usage.
1465         (generate_protocol_list, handle_impent): Likewise.
1466
1467 2004-08-17  Roger Sayle  <roger@eyesopen.com>
1468
1469         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
1470         ensure that call_used_regs is a superset of both fixed_regs and
1471         call_really_used_regs.
1472
1473 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
1474
1475         PR target/17019
1476         * arm.md (addsi3_cbranch_scratch): Correct case labels.
1477
1478 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
1479
1480         PR middle-end/17036
1481         * fold-const.c (fold): Check for integer operand when
1482         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
1483         Pinski  <pinskia@physics.uc.edu>.
1484
1485 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
1486
1487         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
1488         No need to check if in a cross configuration.
1489         * configure: Regenerate.
1490
1491         * calls.c (precompute_register_parameters):
1492         Inline preserve_subexpressions_p ().
1493         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
1494         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
1495         Likewise.
1496         * expr.c (get_subtarget): Likewise.
1497         * rtl.h (preserve_subexpressions_p): Remove.
1498         * stmt.c (preserve_subexpressions_p): Remove.
1499
1500         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
1501         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
1502         Abort on gimplified cases.
1503
1504 2004-08-16  James E Wilson  <wilson@specifixinc.com>
1505
1506         * tree.h (VECTOR_FLOAT_TYPE_P): New.
1507         (FLOAT_TYPE_P): Use it.
1508         * c-typeck.c (build_binary_op): After convert calls, check for
1509         check for ERROR_MARK operands.
1510
1511 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
1512
1513         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
1514         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
1515         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
1516         (genobjs static pattern rule): Remove %.c dependency.
1517         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
1518         Rename rules; delete commands; fix dependencies.
1519         (mostlyclean): Do not delete temporary source copies.
1520         * configure.ac: Delete all references to BUILD_PREFIX and
1521         BUILD_PREFIX_1.
1522         * configure: Regenerate.
1523
1524         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
1525         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
1526         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
1527         with #ifndef GENERATOR_FILE so that nothing from those headers
1528         is used.
1529
1530         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
1531
1532 2004-08-16  Adam Nemet  <anemet@lnxw.com>
1533
1534         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
1535
1536 2004-08-16  Andrew Pinski  <apinski@apple.com>
1537
1538         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
1539         extraneous semicolon.
1540
1541 2004-08-16  Devang Patel  <dpatel@apple.com>
1542
1543         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
1544         * print-tree.c (print_node): Print DECL_PRESERVE_P.
1545         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
1546         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
1547         * target.h (struct gcc_target): New member, mark_decl_preserved.
1548         * hooks.c (hook_void_charptr): Rename to ...
1549         (hook_void_constcharptr): ... new name.
1550         * hooks.h (hook_void_charptr): Rename to ..
1551         (hook_void_constcharptr): ... new name.
1552         * tree.h (DECL_PRESERVE_P): New #define.
1553         (struct tree_decl): New member, preserve_flag.
1554         * varasm.c (assemble_start_function): Mark decl preserved.
1555         (assemble_variable): Same.
1556         * darwin.c (darwin_mark_decl_preserved): New function.
1557         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
1558         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
1559         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
1560
1561 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
1562
1563         * c-decl.c (grokdeclarator): Allow for function definition where
1564         innermost declarator has attributes.
1565
1566 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
1567
1568         * except.c (get_exception_filter, build_post_landing_pads,
1569         dw2_build_landing_pads): Use target-specific mode for 'filter'.
1570         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
1571         * target.h (eh_return_filter_mode): New field added.
1572         * targhooks.c (default_eh_return_filter_mode): Defined.
1573         * targhooks.h (default_eh_return_filter_mode): Declared.
1574         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
1575
1576 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
1577
1578         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
1579         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
1580         * configure: Regenerate.
1581
1582 2004-08-16  Stan Shebs  <shebs@apple.com>
1583
1584         Basic support for 64-bit Darwin.
1585         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1586         (machopic_legitimize_pic_address): Similarly, plus use Pmode
1587         instead of SImode.
1588         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
1589         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
1590         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
1591         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
1592         (PROCESSOR_DEFAULT64): Define.
1593         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
1594         Darwin.
1595         * config/rs6000/rs6000.md: Include darwin.md.
1596         (builtin_setjmp_receiver): Add DImode case.
1597         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
1598         Darwin.
1599         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
1600         (rs6000_emit_move): Add DImode case to Darwin bits.
1601         (machopic_output_stub): Use .quad if 64-bit.
1602         * invoke.texi: Document -m32 and -m64.
1603
1604 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
1605
1606         * doc/extend.texi (AltiVec builtins): Document additional differences
1607         from the Motorola AltiVec PIM.
1608
1609 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
1610
1611         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
1612         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
1613         (struct tree_common): Update public_flag documentation.
1614
1615 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
1616
1617         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1618         Check for artificial variables, not is_gimple_tmp_var.
1619         * tree-ssa-live.c (var_union): Likewise.
1620
1621 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
1622
1623         * calls.c (load_register_parameters): Remove spurious FIXME token.
1624
1625 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
1626
1627         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
1628         (c-lang.o): Depend on c-objc-common.h.
1629         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
1630         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
1631         * c-lang.c: Include c-objc-common.h.
1632         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
1633         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
1634         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
1635         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
1636         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
1637         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
1638         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
1639         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
1640         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
1641         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
1642         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
1643         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
1644         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
1645         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
1646         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
1647         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1648         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
1649         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1650         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
1651         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
1652         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
1653         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
1654         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
1655         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
1656         Move to c-objc-common.h.
1657         * c-objc-common.c: Include c-objc-common.h.
1658         * c-objc-common.h: New file.
1659
1660 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
1661             Andrew Pinski  <pinskia@physics.uc.edu>
1662
1663         PR target/14931
1664         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
1665         style.
1666
1667 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
1668
1669         * tree.h (build_int_cst): New.
1670         (build_int_2): Remove.
1671         * tree.c (build_int_2): Remove.
1672         (build_int_cst): New.
1673         (make_vector_type, build_common_tree_nodes,
1674         build_common_tree_nodes_2): Use build_int_cst.
1675         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
1676         expand_builtin_strpbrk, expand_builtin_fputs,
1677         build_string_literal, expand_builtin_printf,
1678         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
1679         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
1680         fold_builtin_isdigit, simplify_builtin_strstr,
1681         simplify_builtin_strpbrk, fold_builtin_fputs,
1682         simplify_builtin_sprintf): Use build_int_cst.
1683         * c-common.c (start_fname_decls, fix_string_type,
1684         c_common_nodes_and_builtins, c_init_attributes,
1685         shorten_compare): Likewise.
1686         * c-decl.c (complete_array_type,
1687         check_bitfield_type_and_width): Likewise.
1688         * c-lex.c (interpret_integer, lex_charconst): Likewise.
1689         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
1690         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1691         * c-typeck.c (really_start_incremental_init, push_init_level,
1692         set_nonincremental_init_from_string): Likewise.
1693         * calls.c (load_register_parameters): Likewise.
1694         * convert.c (convert_to_pointer): Likewise.
1695         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
1696         build_fn_info_type, build_ctr_info_value, build_gcov_info):
1697         Likewise.
1698         * except.c (init_eh, assign_filter_values, assign_filter_values):
1699         Likewise.
1700         * expmed.c (store_fixed_bit_field, extract_bit_field,
1701         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
1702         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
1703         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
1704         * expr.c (convert_move, emit_group_load, emit_group_store,
1705         expand_assignment, store_constructor, store_field,
1706         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
1707         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
1708         invert_truthvalue, optimize_bit_field_compare,
1709         decode_field_reference, all_ones_mask_p, constant_boolean_node,
1710         fold_div_compare, fold, fold_read_from_constant_string,
1711         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1712         * function.c (assign_parm_setup_block): Likewise.
1713         * stmt.c (shift_return_value, expand_end_case_type,
1714         estimate_case_costs): Likewise.
1715         * stor-layout.c (layout_type, initialize_sizetypes,
1716         set_min_and_max_values_for_integral_type): Likewise.
1717         * tree-chrec.c (chrec_fold_multiply_poly_poly,
1718         reset_evolution_in_loop): Likewise.
1719         * tree-chrec.h (build_polynomial_chrec): Likewise.
1720         * tree-complex.c (build_replicated_const): Likewise.
1721         * tree-eh.c (honor_protect_cleanup_actions,
1722         lower_try_finally_onedest, lower_try_finally_copy,
1723         lower_try_finally_switch): Likewise.
1724         * tree-mudflap.c (mf_build_string, mx_register_decls,
1725         mudflap_register_call, mudflap_enqueue_constant): Likewise.
1726         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
1727         * tree-pretty-print.c (dump_generic_node): Likewise.
1728         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
1729         Likewise.
1730         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
1731         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1732         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
1733         Likewise.
1734
1735         * config/alpha/alpha.c (alpha_initialize_trampoline,
1736         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
1737         * config/arm/arm.c (arm_get_cookie_size): Likewise.
1738         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1739         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1740         * config/i860/i860.c (i860_va_start): Likewise.
1741         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1742         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
1743         mips_gimplify_va_arg_expr): Likewise.
1744         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1745         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
1746         add_compiler_branch_island): Likewise.
1747         * config/s390/s390.c (s390_va_start): Likewise.
1748         * config/sh/sh.c (sh_va_start): Likewise.
1749         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1750         Likewise.
1751         * config/xtensa/xtensa.c (xtensa_va_start,
1752         xtensa_gimplify_va_arg_expr): Likewise.
1753
1754         * objc/objc-act.c (build_objc_string_object,
1755         build_objc_symtab_template, init_def_list, init_objc_symtab,
1756         init_module_descriptor, generate_static_references,
1757         build_selector_translation_table, get_proto_encoding,
1758         build_typed_selector_reference, build_selector_reference,
1759         build_next_objc_exception_stuff,
1760         build_method_prototype_list_template, generate_descriptor_table,
1761         generate_protocols, build_protocol_initializer,
1762         build_ivar_list_template, build_method_list_template,
1763         build_ivar_list_initializer, generate_ivars_list,
1764         generate_dispatch_table, generate_protocol_list,
1765         build_category_initializer, build_shared_structure_initializer,
1766         generate_shared_structures, handle_impent,
1767         generate_objc_image_info): Use build_int_cst.
1768
1769 2004-08-15  Ben Elliston  <bje@au.ibm.com>
1770
1771         * vec.h: Comment improvements.
1772
1773 2004-08-14  Roger Sayle  <roger@eyesopen.com>
1774
1775         * c-common.c (shorten_compare, pointer_int_sum,
1776         c_common_truthvalue_conversion, boolean_increment): Replace calls
1777         to build with calls to buildN.
1778         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
1779         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
1780         gimplify_switch_stmt): Likewise.
1781         * c-typeck.c (default_function_array_conversion,
1782         build_component_ref, build_array_ref, build_function_call,
1783         pointer_diff, build_unary_op, build_conditional_expr,
1784         build_compound_expr, build_modify_expr, c_finish_goto_label,
1785         c_finish_goto_ptr, c_finish_return, c_finish_loop,
1786         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
1787         build_binary_op): Likewise.
1788
1789 2004-08-15  Steven Bosscher  <stevenb@suse.de>
1790
1791         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
1792
1793 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1794
1795         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
1796         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
1797         * fixinc/fixincl.x: Rebuilt.
1798
1799 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
1800
1801         * config/mips/mips-protos.h (mips_symbolic_constant_p)
1802         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
1803         (mips_small_data_pattern_p): Declare.
1804         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
1805         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1806         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
1807         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
1808         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
1809         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
1810         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
1811         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
1812         (pc_or_label_operand, call_insn_operand, move_operand)
1813         (consttable_operand, symbolic_operand, general_symbolic_operand)
1814         (global_got_operand, local_got_operand, stack_operand)
1815         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
1816         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
1817         (mips_small_data_pattern_p): Replace previous small_data_pattern
1818         predicate.  Turn into a bool () (rtx) function.
1819         * config/mips/predicates.md: New file.
1820         * config/mips/mips.md: Include it.  Use the target-independent
1821         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
1822         trap_comparison_operator and equality_op to equality_operator.
1823         Replace uses of small_int with the equivalent const_arith_operand.
1824         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
1825         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
1826         to fcc_reload_operand.
1827         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
1828
1829 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1830
1831         PR libstdc++/17005 partial fix.
1832         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
1833         except when generating ANSI/C89 code.
1834
1835 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
1836
1837         * c-common.c (shorten_compare): Use force_fit_type directly.
1838
1839 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
1840             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
1841             Dave Korn  <dk@artimi.com>
1842
1843         * doc/install.texi (Building): Avoid duplicate reference to GNU
1844         make requirement.
1845         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
1846
1847 2004-08-14  Richard Henderson  <rth@redhat.com>
1848
1849         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
1850         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
1851
1852 2004-08-13  Richard Henderson  <rth@redhat.com>
1853
1854         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
1855         for constant_call_address_operand.
1856         (call_value_pop_1, call_value_1): Likewise.
1857         (sibcall_value_1, call_value_1_rex64): Likewise.
1858
1859 2004-08-13  James E Wilson  <wilson@specifixinc.com>
1860
1861         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
1862         Correct mode from SFmode to DFmode.
1863
1864 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
1865
1866         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
1867         __cstring_object and __image_info sections with the no_dead_strip
1868         attribute.
1869
1870 2004-08-13  Roger Sayle  <roger@eyesopen.com>
1871             David Billinghurst  <David.Billinghurst@riotinto.com>
1872
1873         PR libgfortran/15930
1874         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
1875         * fixinc/fixincl.x: Regenerate.
1876         * fixinc/tests/base/internal/math_core.h: New file.
1877
1878 2004-08-13  Richard Henderson  <rth@redhat.com>
1879
1880         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
1881         (dbxout_function_end): Remove ifdefs for it.
1882         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
1883
1884 2004-08-13  Richard Henderson  <rth@redhat.com>
1885
1886         * Makefile.in (insn-preds.o): Depend on TREE_H.
1887         * genpreds.c (write_insn_preds_c): Include tree.h.
1888         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
1889         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
1890         const48_operand, and_operand, or_operand, mode_width_operand,
1891         mode_mask_operand, mul8_operand, const0_operand,
1892         hard_fp_register_operand, hard_int_register_operand,
1893         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
1894         samegp_function_operand, direct_call_operand, small_symbolic_operand,
1895         global_symbolic_operand, call_operand, symbolic_operand,
1896         dtp16_symbolic_operand, dtp32_symbolic_operand,
1897         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
1898         gottp_symbolic_operand, alpha_comparison_operator,
1899         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
1900         signed_comparison_operator, alpha_fp_comparison_operator,
1901         divmod_operator, fix_operator, aligned_memory_operand,
1902         unaligned_memory_operand, reg_or_unaligned_mem_operand,
1903         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
1904         reg_no_subreg_operand, addition_operation): Move to predicates.md.
1905         (reg_or_const_int_operand): Remove.  Replace all users with
1906         reg_or_cint_operand.
1907         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
1908         (resolve_reload_operand): Split out of aligned_memory_operand.
1909         * config/alpha/alpha-protos.h: Update for exports.
1910         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
1911         * config/alpha/alpha.md: Include predicates.md.
1912         * config/alpha/predicates.md: New file.
1913
1914 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
1915
1916         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
1917         fields with a pointer to the instruction definition.
1918         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
1919         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
1920         (write_attr_case, write_const_num_delay_slots): Update accordingly.
1921         (write_attr_case, write_const_num_delay_slots): Write the name of
1922         an insn next to its case statement.
1923         * genoutput.c (data): Add a filename field.
1924         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
1925         (output_insn_data): Print the location of each insn definition.
1926         * genrecog.c (write_action): Print the name of an insn above
1927         the statement that returns its code.
1928
1929 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
1930
1931         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
1932         * config/libgloss.h: Likewise.
1933         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
1934         * c4x/c4x-modes.def: Likewise.
1935         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
1936         (c4x_rptb_nop_p): Likewise.
1937         (c4x_rptb_valid_p): Likewise.
1938         (c4x_rptb_insert): Likewise.
1939         (c4x_address_conflict): Likewise.
1940         * config/c4x/c4x.md: Likewise.
1941         * config/frv/frv.md: Likewise.
1942         * config/i386/athlon.md: Likewise.
1943         * config/i386/i386.md: Likewise.
1944         * config/i386/predicates.md: Likewise.
1945         * config/ia64/ia64.c: Likewise.
1946         * config/ia64/itanium1.md: Likewise.
1947         * config/ia64/itanium2.md: Likewise.
1948         * config/iq2000/iq2000.md: Likewise.
1949         * config/mcore/mcore.c: Likewise.
1950         * config/mips/mips.c: Likewise.
1951         * config/mips/r3900.h: Likewise.
1952         * config/mips/sb1.md: Likewise.
1953         * config/pa/milli64.S: Likewise.
1954         * config/pa/pa.c: Likewise.
1955         * config/pa/pa.h: Likewise.
1956         * config/rs6000/8540.md: Likewise.
1957
1958 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
1959
1960         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
1961
1962 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
1963
1964         * sh.md (cbranch define_delay) Use cond_delay_slot for
1965         non-anulled condition too.
1966
1967 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1968
1969         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
1970         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
1971         any_parallel_operand, lmw_operation, stmw_operation,
1972         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
1973         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
1974         any_parallel_operand.
1975         (return_and_restore_fpregs_{si,di}): Same.
1976
1977 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1978
1979         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
1980         if pred->singleton != PARALLEL, issue a warning and pretend it was.
1981         Also issue a warning for any predicate we don't know about.
1982
1983 2004-08-12  Richard Henderson  <rth@redhat.com>
1984
1985         * config/i386/i386.c (internal_label_prefix): Export.
1986         (internal_label_prefix_len, struct ix86_address,
1987         ix86_decompose_address, maybe_get_pool_constant,
1988         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
1989         memory_address_length): Export.
1990         (any_fp_register_operand, fp_register_operand,
1991         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
1992         x86_64_general_operand, x86_64_szext_general_operand,
1993         x86_64_nonmemory_operand, x86_64_movabs_operand,
1994         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
1995         x86_64_zext_immediate_operand, const_int_1_31_operand,
1996         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
1997         tls_symbolic_operand, global_dynamic_symbolic_operand,
1998         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
1999         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
2000         constant_call_address_operand, const0_operand, const1_operand,
2001         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
2002         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
2003         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
2004         general_no_elim_operand, nonmemory_no_elim_operand,
2005         index_register_operand, q_regs_operand, flags_reg_operand,
2006         non_q_regs_operand, zero_extended_scalar_load_operand,
2007         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
2008         ix86_comparison_operator, ix86_carry_flag_operator,
2009         fcmov_comparison_operator, promotable_binary_operator,
2010         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
2011         mult_operator, div_operator, arith_or_logical_operator,
2012         memory_displacement_operand, cmpsi_operand, long_memory_operand,
2013         aligned_operand): Move to predicates.md as define_predicates.
2014         (tls_symbolic_operand_1): Remove.
2015         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
2016         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
2017         (legitimize_address): Merge tls_symbolic_operand contents.
2018         (ix86_expand_move): Likewise.
2019         * config/i386/i386-protos.h: Update for exports.
2020         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
2021         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
2022         * config/i386/i386.md: Include predicates.md.
2023         * config/i386/predicates.md: New file.
2024
2025 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
2026
2027         PR c++/16924
2028         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
2029         SYMBOL_REF_DECL.
2030         (i386_pe_mark_dllimport): Likewise.
2031         (i386_pe_encode_section_info): Likewise, when overriding
2032         dllimport attribute.
2033
2034 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
2035
2036         * configure.ac: When testing for flex, nm, ar, and bison, check
2037         that they will actually be built.
2038         * configure: Regenerate.
2039
2040 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
2041
2042         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
2043         (MOVE_MAX_PIECES): Define.
2044
2045 2004-08-12  Devang patel  <dpatel@apple.com>
2046
2047         * dbxout.c (dbxout_begin_prologue): New function.
2048         (dbx_debug_hooks): Use new begin prologue hook.
2049         (dbxout_function_end): Emit N_ENSYM.
2050         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
2051
2052 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
2053
2054         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
2055         argument is float*.
2056
2057         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
2058         for vec_dss.
2059
2060         * doc/extend.texi (AltiVec builtins): Fix description for recent
2061         changes.  Update operation list to match current support.
2062
2063 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2064
2065         * config/s390/s390.c (struct s390_frame_layout): New struct as element
2066         of struct machine_function.
2067         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
2068         changed all uses.
2069         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
2070         changed all uses.
2071         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
2072         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
2073         (s390_frame_area, s390_register_info): New functions.
2074         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
2075         for base register.
2076         (s390_return_addr_rtx, s390_return_address_offset)
2077         (s390_va_start, s390_gimplify_va_arg)
2078         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
2079         layouts.
2080         (s390_frame_info): Functionality partly moved to s390_register_info.
2081         Made adaptions for new stack layout.
2082         (save_gprs, restore_gprs): Changed meaning of second parameter and
2083         adapted all callers.
2084
2085         * config/s390/s390.h (s390_backchain_string): New global variable.
2086         (MASK_BACKCHAIN): Removed definition.
2087         (TARGET_BACKCHAIN): Changed check.
2088         (TARGET_KERNEL_BACKCHAIN): New macro.
2089         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
2090         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
2091         "kernel-backchain".
2092         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
2093
2094         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
2095         as condition.  Adjusted for new stack layout.
2096
2097         * doc/invoke.texi: Added documentation for new option
2098         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
2099         "-mno-backchain".
2100
2101 2004-08-12  Paul Brook  <paul@codesourcery.com>
2102
2103         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
2104         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
2105
2106 2004-08-12  David Daney  <ddaney@avtrex.com>
2107
2108         * java/gcj.texi:  Add subsection on signal usage.
2109
2110 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
2111
2112         * expr.c (move_by_pieces): Set alignment for move to minimum of
2113         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
2114         alignment, but not less than the original alignment.
2115         (move_by_pieces_ninsns): Same.
2116         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
2117         (store_by_pieces_1): Same.
2118
2119 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
2120
2121         PR tree-optimization/16867
2122         * tree.c (is_global_var): New function.
2123         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
2124         Call is_global_var.
2125         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
2126         Update all users.
2127         (is_global_var): Declare.
2128         * tree-dfa.c (dump_variable): Display global and addressable
2129         attributes.
2130         (add_referenced_var): Clarify documentation when marking
2131         variables call-clobbered.
2132         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
2133         instead of needs_to_live_in_memory.
2134         (mark_call_clobbered): If the variable is a tag, mark it
2135         DECL_EXTERNAL.
2136         * tree-gimple.c (is_gimple_reg): Don't check for
2137         TREE_ADDRESSABLE.
2138         (is_gimple_non_addressable): Likewise.
2139         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
2140         needs to be marked call-clobbered.
2141         (setup_pointers_and_addressables): Call is_global_var instead
2142         of needs_to_live_in_memory.
2143         * tree-ssa-dce.c (need_to_preserve_store): Remove.
2144         Update all users with is_global_var.
2145         (mark_stmt_if_obviously_necessary): Fix processing of aliased
2146         stores.  Don't check the virtual definitions.  Rather, check
2147         whether the store is going into global memory.
2148         (find_obviously_necessary_stmts): Get the symbol from the PHI
2149         result.
2150         * tree-ssa-operands.c (get_call_expr_operands): Do not add
2151         clobbering may-defs if the call does not have side effects.
2152
2153 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
2154
2155         PR c++/16276
2156         * output.h (default_function_rodata_section,
2157         default_no_function_rodata_section): New prototypes.
2158         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
2159         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2160         (TARGET_ASM_OUT): Add it.
2161         * varasm.c (default_function_rodata_section,
2162         default_no_function_rodata_section): New functions.
2163         * final.c (final_scan_insn): Call
2164         targetm.asm_out.function_rodata_section instead of
2165         readonly_data_section.
2166         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2167         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2168         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2169         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2170         Likewise.
2171         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2172         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2173         Likewise.
2174         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2175         Likewise.
2176         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2177         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2178         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
2179
2180 2004-08-12  Paul Brook  <paul@codesourcery.com>
2181
2182         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
2183         frame info.
2184         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
2185         DWARF2_UNWIND_INFO.
2186
2187 2004-08-12  Ben Elliston  <bje@au.ibm.com>
2188
2189         PR target/16286
2190         * config/rs6000/altivec.h: Change vector to __vector throughout.
2191         (Except for the `vector' macro itself).
2192
2193 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
2194
2195         * genpreds.c: Add capability to generate predicate bodies as
2196         well as function prototypes.  Write function prototypes for
2197         the generic predicates too.
2198         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
2199         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
2200         (write_match_code, write_predicate_expr, write_one_predicate_function)
2201         (parse_option): New functions.
2202         (output_predicate_decls): Delete.
2203         (main): Read the machine description, process DEFINE_PREDICATE or
2204         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
2205         as appropriate.
2206
2207         * genrecog.c (struct decision_test): Replace index with
2208         struct pred_data pointer.
2209         (next_index): Remove, unused.
2210         (pred_table, preds, special_mode_pred_table): Delete.
2211         (compute_predicate_codes, process_define_predicate): New functions.
2212         (validate_pattern, add_to_sequence, write_switch): Update for
2213         new data structures.
2214         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2215         Check both error_count and have_error.
2216
2217         * gensupport.c (in_fname, first_predicate): New globals.
2218         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
2219         (predicate_table, last_predicate, old_pred_table)
2220         (old_special_pred_table): New statics.
2221         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
2222         (add_predicate, init_predicate_table): New functions.
2223         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2224         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
2225         it or max_include_len.  Call init_predicate_table.
2226         (read_rtx): Run the predicate queue after the attribute queue
2227         but before all the others.
2228         * gensupport.h (in_fname, struct pred_data, first_predicate)
2229         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
2230         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
2231         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
2232         * dummy-conditions.c: Don't include bconfig.h, system.h,
2233         coretypes.h, tm.h, or system.h.  Do include stddef.h.
2234         Duplicate declaration of struct c_test from gensupport.h.
2235
2236         * Makefile.in (OBJS-common): Add insn-preds.o.
2237         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
2238         (insn-preds.c, insn-preds.o): New rules.
2239         (s-preds): Also generate insn-preds.c.
2240         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
2241         Update dependencies.
2242         (print-rtl.o, print-rtl1.o): Correct dependencies.
2243
2244         * recog.h: Delete prototypes of predicate functions.
2245
2246         * doc/md.texi (Predicates): New section with complete
2247         documentation of operand/operator predicates.  Remove some
2248         incomplete documentation of predicates from other places.
2249         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
2250         PREDICATE_CODES; indicate that both are deprecated in favor
2251         of define_predicate/define_special_predicate.
2252
2253         * config/ia64/ia64.c: All predicate function definitions moved
2254         to ia64.md, except
2255         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
2256         (ia64_expand_load_address, ia64_expand_move):
2257         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
2258
2259         * config/ia64/ia64.md: All predicates now defined here.
2260         (symbolic_operand): Is now a special predicate.
2261
2262         * config/ia64/ia64.h: Declare ia64_section_threshold.
2263         (PREDICATE_CODES): Delete.
2264
2265 2004-08-12  Richard Henderson  <rth@redhat.com>
2266
2267         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
2268         * c-semantics.c (add_stmt): Set it.
2269         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
2270         before instantiating a variable sized type.
2271
2272 2004-08-12  Richard Henderson  <rth@redhat.com>
2273
2274         * stor-layout.c (round_up, round_down): Move ...
2275         * fold-const.c (round_up, round_down): ... here.  Use
2276         multiple_of_p to avoid any arithmetic at all.
2277
2278 2004-08-12  Richard Henderson  <rth@redhat.com>
2279
2280         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
2281         (gimplify_init_ctor_preeval_1): New.
2282         (gimplify_init_ctor_preeval): New.
2283         (gimplify_init_ctor_eval): New.
2284         (gimplify_init_constructor): Use them.  Always gimplify the LHS
2285         object first.
2286
2287 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
2288
2289         (This patch is part of merge of objc-improvements-branch
2290         into mainline.)
2291
2292         * doc/frontends.texi: Mention Objective-C++ in addition to
2293         Objective-C.
2294         * doc/install.texi: Add 'obj-c++' to list of configurable
2295         languages.
2296         * doc/invoke.texi: Rename Objective-C option headings to
2297         indicate they also apply to Objective-C++.  List file
2298         extensions for Objective-C++ sources.  Mention that
2299         ObjC and ObjC++ compilations may also use C and C++ options,
2300         respectively.  Point users to doc/standards.texi for
2301         further info on ObjC and ObjC++.
2302         * doc/sourcebuild.texi: Mention the objcp/ directory and
2303         the Objective-C++ sources it contains.
2304         * doc/standards.texi: Update link to Apple ObjC site;
2305         add link to gcc readings.html WWW doc.
2306
2307 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
2308
2309         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
2310         and 2004-07-14 changes.
2311
2312 2004-08-12  Paul Brook  <paul@codesourcery.com>
2313
2314         * doc/invoke.texi: Fix typo.
2315
2316 2004-08-11 Devang Patel  <dpatel@apple.com>
2317
2318         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
2319         and -no_dead_strip_inits_and_terms.
2320         (LINK_SPEC): Same.
2321         * doc/invoke.texi (Darwin Options): Document -dead_strip and
2322         -no_dead_strip_inits_and_terms.
2323
2324 2004-08-11  Paul Brook  <paul@codesourcery.com>
2325
2326         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
2327         (arm_load_pic_register): ... to this.
2328         * config/arm/arm.c (arm_finalize_pic): Rename ...
2329         (arm_load_pic_register): ... to this.  Always output insns at the
2330         current location.  Load via low reg in thumb mode.
2331         (arm_expand_prologue): Call arm_load_pic_register.
2332         (thumb_expand_prologue): Ditto.
2333         * config/arm/arm.h (FINALIZE_PIC): Remove.
2334         * config/arm/arm.md (builtin_setjmp_receiver): Call
2335         arm_load_pic_register.
2336
2337 2004-08-11  Paul Brook  <paul@codesourcery.com>
2338
2339         * arm.c (thumb_force_lr_save): Add prototype.
2340         (thumb_compute_save_reg_mask): New function.
2341         (thumb_find_work_register): New function.
2342         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
2343         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
2344         Don't clobber r3 when removing pretend args.
2345         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
2346         (thumb_output_function_prologue): Use new functions.
2347         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
2348         * arm.h (THUMB_REG_PUSHED_P): Remove.
2349
2350 2004-08-11  James E Wilson  <wilson@specifixinc.com>
2351
2352         PR rtl-optimization/16490
2353         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
2354         global_live_at_end for new basic block if already set for other blocks.
2355
2356 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
2357
2358         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
2359
2360         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
2361         (mfcr rlwinm rlwinm patterns): Set length to 12.
2362
2363 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
2364
2365         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
2366         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
2367         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
2368         (start_ssa_stmt_operands): Delete.
2369         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
2370         struct stmt_operands_d.
2371         (build_ssa_operands): New extern entry point.
2372         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
2373         building code, replace with create_ssa_artficial_load_stmt().
2374         * tree-ssa-operands.c (struct voperands_d): Delete.
2375         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
2376         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
2377         (free_uses, free_defs, free_vuses, free_v_may_defs,
2378         free_v_must_defs): Remove dealloc parameter.
2379         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
2380         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
2381         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
2382         vector comparisons, ssa_name reuse, and allocations here.
2383         (verify_start_operands): Delete.
2384         (finalize_ssa_stmt_operands): Set new operands by calling finalize
2385         routines.
2386         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
2387         (append_def, append_usei): Simplify to simple accumulation.
2388         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
2389         duplicates and simple accumulation.
2390         (free_ssa_operands): Free vectors in a stmt_operand structure.
2391         (build_ssa_operands): New. Create a new stmt_operand structure from
2392         a stmt and an old set of stmt_operands.
2393         (get_stmt_operands): Simplify and call build_ssa_operands.
2394         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
2395         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
2396         add_call_read_ops): Don't pass prev_vops around anymore.
2397         (note_addressable): Return if no stmt annotation.
2398         (copy_virtual_operands): Access v_may_def operands through a struct.
2399         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
2400         hash tables without treating the stmt as a real stmt.
2401         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
2402         v_may_def def and use through a struct instead of 2 array elements.
2403         (struct v_may_def_optype_d): Use v_may_def_operand_type.
2404         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
2405
2406 2004-08-11  Nick Clifton  <nickc@redhat.com>
2407
2408         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
2409         this funciton's behaviour.  Return true when the current function
2410         has a section attribute and -mlong-calls is in effect.
2411         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
2412         short-call marker when -mlong-calls is in effect and the function
2413         has a section attribute.
2414
2415 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
2416
2417         * stmt.c (expand_return): If asked to return the RESULT_DECL,
2418         just call expand_value_return on result_rtl.
2419
2420 2004-08-10  Richard Henderson  <rth@redhat.com>
2421
2422         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
2423         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
2424         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
2425         (add_location_or_const_value_attribute): ... not here.  Use
2426         loc_descriptor_from_tree if possible.
2427         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
2428         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
2429         values specially.
2430         (loc_descriptor_from_tree): New.  Update callers.
2431         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
2432         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
2433         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
2434         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
2435         and BUILT_IN_STACK_RESTORE.
2436         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
2437         * stmt.c (expand_stack_alloc): Remove.
2438         * tree-mudflap.c (mx_register_decls): Don't look for
2439         BUILT_IN_STACK_ALLOC.
2440         * tree-nested.c (convert_local_reference): Likewise.
2441         * tree.h (DECL_VALUE_EXPR): New.
2442
2443 2004-08-10  Richard Henderson  <rth@redhat.com>
2444
2445         * stor-layout.c (round_up): Check for 0/1 before dividing.
2446         (round_down): Likewise.
2447
2448         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
2449
2450 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
2451
2452         * config.gcc (arm*-*-eabi*): New target.
2453         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
2454         (TARGET_LIB_INT_CMP_BIASED): Likewise.
2455         * expmed.c (expand_divmod): Try a two-valued divmod function as a
2456         last resort.
2457         * gthr.h: Remove bogus tokens at end of #pragma.
2458         * optabs.c (expand_twoval_binop_libfunc): New function.
2459         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
2460         (prepare_float_lib_cmp): Try reversing the condition.
2461         (debug_optab_libfuncs): New function.
2462         * optabs.h (expand_twoval_binop_libfunc): Declare.
2463         * config/arm/arm.c (arm_init_libfuncs): New function.
2464         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
2465         (TARGET_INIT_LIBFUNCS): Define it.
2466         * config/arm/arm.h (TARGET_BPABI): New macro.
2467         * config/arm/arm-protos.h
2468         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
2469         * config/arm/bpabi.S: New file.
2470         * config/arm/bpabi.c: Likewise.
2471         * config/arm/bpabi.h: Likewise.
2472         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
2473         (__aeabi_drsub): Likewise.
2474         (__aeabi_dsub): Likewise.
2475         (__aeabi_dadd): Likewise.
2476         (__aeabi_ui2d): Likewise.
2477         (__aeabi_i2d): Likewise.
2478         (__aeabi_f2d): Likewise.
2479         (__aeabi_dmul): Likewise.
2480         (__aeabi_ddiv): Likewise.
2481         (__aeabi_cdrcmple): Likewise.
2482         (__aeabi_cdcmpeq): Likewise.
2483         (__aeabi_cdcmple): Likewise.
2484         (__aeabi_dcmpeq): Likewise.
2485         (__aeabi_dcmplt): Likewise.
2486         (__aeabi_dcmple): Likewise.
2487         (__aeabi_dcmpge): Likewise.
2488         (__aeabi_dcmpgt): Likewise.
2489         (__aeabi_dcmpun): Likewise.
2490         (__aeabi_d2iz): Likewise.
2491         (__aeabi_d2uiz): Likewise.
2492         (__aeabi_d2f): Likewise.
2493         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
2494         (__aeabi_frsub): Likewise.
2495         (__aeabi_fsub): Likewise.
2496         (__aeabi_fadd): Likewise.
2497         (__aeabi_ui2f): Likewise.
2498         (__aeabi_i2f): Likewise.
2499         (__aeabi_fmul): Likewise.
2500         (__aeabi_fdiv): Likewise.
2501         (__aeabi_cfrcmple): Likewise.
2502         (__aeabi_cfcmpeq): Likewise.
2503         (__aeabi_cfcmple): Likewise.
2504         (__aeabi_fcmpeq): Likewise.
2505         (__aeabi_fcmplt): Likewise.
2506         (__aeabi_fcmple): Likewise.
2507         (__aeabi_fcmpge): Likewise.
2508         (__aeabi_fcmpgt): Likewise.
2509         (__aeabi_fcmpun): Likewise.
2510         (__aeabi_f2iz): Likewise.
2511         (__aeabi_f2uiz): Likewise.
2512         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
2513         (__aeabi_uidivmod): New function or alias.
2514         (__aeabi_idivmod): Likewise.
2515         (__aeabi_idiv0): Likewise.
2516         (__aeabi_ldiv0): Likewise.
2517         (__aeabi_llsr): Likewise.
2518         (__aeabi_lasr): Likewise.
2519         (__aeabi_llsl): Likewise.
2520         (bpabi.S): Include it.
2521         * config/arm/libgcc-bpabi.ver: New file.
2522         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
2523         (LINK_SPEC): Remove.
2524         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
2525         __aeabi_ulcmp.
2526         * config/arm/t-bpabi: New file.
2527         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
2528         (TARGET_LIB_INT_CMP_BIASED): Likewise.
2529
2530 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
2531
2532         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
2533         * config/rs6000/rs6000.md (clrmemsi): New pattern.
2534         * config/rs6000/rs6000.c (expand_block_clear): New function.
2535         (expand_block_move): Convert alignment to bits.  Use SImode and
2536         HImode for unaligned addresses if not STRICT_ALIGNMENT.
2537
2538 2004-08-10  Caroline Tice  <ctice@apple.com>
2539
2540         * varasm.c (unlikely_section_label): New global variable.
2541         (unlikely_text_section_name): New global variable.
2542         (text_section):  Remove alignment statement.
2543         (unlikely_text_section): Remove alignment statement; use
2544         unlikely_section_label rather than hard-coded string.
2545         (assemble_start_function): Initialize unlikely_section_label and
2546         unlikely_text_section_name;  make sure cold section is properly
2547         aligned at start of function; output unlikely_section_label if
2548         appropriate.
2549
2550 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
2551
2552         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
2553         * config/s390/s390.c (s390_canonicalize_comparison): New function.
2554         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
2555         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
2556         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
2557         ("*tmqi_mem"): Remove SUBREG from pattern.
2558         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
2559         ("*andsi3_cconly"): Likewise.
2560
2561 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2562
2563         PR target/16909
2564         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
2565
2566 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
2567
2568         * doc/sourcebuild.texi (compat testing): Document available test
2569         framework commands.  Use the preferred spelling of DejaGnu.
2570
2571 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
2572
2573         * lambda.h: Add matrix type, and prototypes for remainder of
2574         matrix and vector functions.
2575         (lambda_vector_mult_const): New function.
2576         (lambda_vector_negate): Ditto.
2577         (lambda_vector_add): Ditto.
2578         (lambda_vector_add_mc): Ditto.
2579         (lambda_vector_copy): Ditto.
2580         (lambda_vector_zerop): Ditto.
2581         (lambda_vector_equal): Ditto.
2582         (lambda_vector_min_nz): Ditto.
2583         (lambda_vector_first_nz): Ditto.
2584         (lambda_vector_matrix_mult): Ditto.
2585         * lambda-mat.c: New file.
2586         * Makefile.in (lambda-mat.o): New.
2587
2588 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
2589
2590         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
2591         after linking stmt into the program.
2592         (bsi_remove): Don't call modify_stmt.
2593         * tree-complex.c (update_complex_assignment,
2594         expand_complex_comparison): Call modify_stmt after changing the stmt.
2595         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
2596         removing the stmt.
2597         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
2598         the stmt, and only if needed.
2599         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
2600         expression.
2601         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
2602         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
2603         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
2604         (eliminate_redundant_computations): Don't pass an annotation. Call
2605         modify_stmt rather than setting the annotation directly.
2606         (record_equivalences_from_stmt): Remove unused local 'j'.
2607         (cprop_operand): Take a stmt rather than an annotation as a parameter.
2608         Call modify_stmt.
2609         (cprop_into_stmt): Pass stmt rather than annotation.
2610         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
2611         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
2612         modify_stmt.
2613         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
2614
2615 2004-08-10  Jason Merrill  <jason@redhat.com>
2616
2617         PR middle-end/16948
2618         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
2619         the RESULT_DECL.
2620
2621 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
2622
2623         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
2624         hash function.
2625
2626 2004-08-10  Roger Sayle  <roger@eyesopen.com>
2627
2628         * config/mips/mips.md: New reciprocal square root patterns that
2629         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
2630
2631 2004-08-10  Paul Brook  <paul@codesourcery.com>
2632
2633         * config/arm/arm-protos.h (arm_set_return_address,
2634         thumb_set_return_address): Add prototypes.
2635         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
2636         * config/arm/arm.c (arm_compute_func_type,
2637         use_return_insn, arm_compute_save_reg0_reg12_mask,
2638         arm_compute_save_reg_mask, arm_output_function_prologue,
2639         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
2640         current_function_calls_eh_return.
2641         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
2642         old eh code.
2643         (arm_set_return_address, thumb_set_return_address): New functions.
2644         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
2645         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
2646         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
2647         (epilogue): Use the stackadj register.
2648         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
2649
2650 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
2651
2652         PR target/3144
2653         * expr.c (move_by_pieces_ninsns): Add max_size argument.
2654         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
2655         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
2656         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
2657         but using MOVE_RATIO.
2658         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
2659         (can_store_by_pieces): Change max_size type to unsigned int.
2660         (store_by_pieces_1): Likewise.  Pass max_size to
2661         move_by_pieces_ninsns.
2662         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
2663         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
2664         to move_by_pieces_ninsns.
2665         (STORE_BY_PIECES_P): Define.
2666         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
2667         to move_by_pieces_ninsns.
2668         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
2669
2670         * config/i386/i386.h (CLEAR_RATIO): Define.
2671
2672 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
2673
2674         * expr.c (expand_expr_real_1): Add back code that was not dead.
2675
2676 2004-08-09  Andrew Pinski  <apinski@apple.com>
2677
2678         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
2679         which is found to be compatible before returning the aliasing set.
2680
2681 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
2682
2683         * ggc-zone.c (struct alloc_zone): Add statistics counters.
2684         (always_collect): New flag.
2685         (ggc_alloc_zone_1): Update statistics support.  Don't include
2686         overhead in allocated counter.
2687         (sweep_pages): Update allocated counter for large pages.  Don'y
2688         include overhead.
2689         (ggc_collect_1): Always collect.
2690         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
2691         whether to collect.
2692         (SCALE, LABEL): New macros.
2693         (ggc_print_statistics): Add statistics support.
2694
2695 2004-08-09  Roger Sayle  <roger@eyesopen.com>
2696
2697         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
2698         (init_expmed): Fix potential overrun problem with "all.reg".
2699         (expand_sdiv2_pow2): Add an alternate implementation for signed
2700         division, if the target provides a suitable conditional move insn.
2701
2702 2004-08-09  Paul Brook  <paul@codesourcery.com>
2703         Richard Henderson  <rth@redhat.com>
2704
2705         * unwind-dw2.c (uw_install_context_1): Update target saved stack
2706         pointer.
2707
2708 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
2709
2710         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
2711         Check DATA limit only if there's no AS limit.  Ignore insanely
2712         low DATA limits.
2713         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
2714         but take care that the AS limit isn't overrun.
2715         * doc/invoke.texi: Update documentation of min-heapsize parameter.
2716
2717 2004-08-09  Jeff Law  <law@redhat.com>
2718
2719         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
2720         (tree-ssa-threadupdate.o): Add dependencies.
2721         * tree-ssa-threadupdate.c: New file.
2722         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
2723         (rewrite_vars_out_of_ssa): Remove prototype.
2724         (cleanup_tree_cfg): Returns a bool.
2725         * tree.h (thread_through_all_blocks): Prototype.
2726         * tree-outof-ssa.c  (SSANORM_*): Move into here.
2727         (remove_ssa_form): Now static.
2728         (rewrite_vars_out_of_ssa): Kill.
2729         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
2730         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
2731         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
2732         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
2733         anything was changed.
2734         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
2735         from the PHI's annotation rather than the edge associated with
2736         the new argument.
2737         * tree-ssa-dom.c (redirection_edges): Kill.
2738         (redirect_edges_and_update_ssa_graph): Kill.
2739         (tree_ssa_dominator_optimize): Do not reset forwardable flag
2740         for blocks anymore.  Do not initialize redirection_edges.
2741         Call thread_through_all_blocks.  Simplify code for cleanup
2742         of the CFG and iterating.  No longer call cleanup_tree_cfg
2743         outside the iteration loop.
2744         (thread_across_edge): No longer mess with forwardable blocks.
2745
2746 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
2747
2748         * explow.c (memory_address): Use memory_address_p.
2749         * recog.c (general_operand): Likewise.
2750         * regrename.c: No need to define REG_OK_STRICT.
2751
2752 2004-08-09  Steven Bosscher  <stevenb@suse.de>
2753
2754         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
2755         New timers.
2756         * gcse.c: Include timevar.h.
2757         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
2758         and global_copy_prop_count.
2759         (local_const_prop_count, local_copy_prop_count): New static globals.
2760         (gcse_main): Set the right timevar for each pass.
2761         (cprop_jump): Increment global_const_prop_count when a constant is
2762         propagated.  Add "GLOBAL" to dump output.
2763         (cprop_insn): Increment global_const_prop_count when a constant is
2764         propagated, or global_copy_prop_count when a copy is propagated.
2765         (do_local_cprop): Likewise for local_const_prop_count and
2766         local_copy_prop_count.
2767         (one_cprop_pass): Initialize const/cprop counters to zero.
2768         Print out results of local and global const/cprop separately.
2769         (bypass_block): Break over-length line.
2770         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
2771         for bb-reorder.o and tracer.o.
2772
2773 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
2774
2775         * Makefile.in (GTFILES): Remove stmt.c
2776         (stmt.o): Do not depend on gt-stmt.h.
2777         * emit-rtl.c (emit_line_note): Do not call
2778         set_file_and_line_for_stmt.
2779         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
2780         do everything.
2781         * function.c (free_after_parsing): Do not free STMT field.
2782         (allocate_struct_function): Do not call init_stmt_for_function.
2783         (assign_stack_temp_for_type): Do not accept values of keep
2784         other than 0 or 1.
2785         (init_temp_slots): Do not initialize removed variables.
2786         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
2787         and X_VAR_TEMP_SLOT_LEVEL fields.
2788         * rtl.h (set_file_and_line_for_stmt): Remove.
2789         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
2790         struct stmt_status, cond_stack, case_stack, nesting_stack,
2791         nesting_depth, emit_locus, set_file_and_line_for_stmt,
2792         same_case_target_p, init_stmt_for_function, emit_nop,
2793         expand_start_cond, expand_start_elseif, expand_start_else,
2794         expand_elseif, expand_end_cond): Remove.
2795         (preserve_subexpressions_p): Remove references to CFUN->STMT.
2796         (expand_start_case, expand_end_case_type): Remove, merge into...
2797         (expand_case): ... this one, including other bits from
2798         expand_expr_real_1.  Inline same_case_target_p.  Turn members
2799         of CASE_STACK into local variables.
2800         (emit_case_bit_tests): Inline same_case_target_p.
2801         (add_case_node): Add HEAD argument, return new head of the list,
2802         do not handle default label here.
2803         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
2804         expand_start_elseif, current_nesting_level, expand_start_case,
2805         expand_end_case_type, expand_end_case, add_case_node,
2806         init_stmt_for_function, expand_elseif): Remove prototypes.
2807         (expand_case): Add prototype.
2808
2809 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
2810
2811         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
2812
2813 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
2814
2815         * expr.c (var_rtx): Remove.
2816         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
2817         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
2818         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
2819         Abort.
2820         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
2821         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
2822         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
2823
2824 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
2825         Ayal Zaks <zaks@il.ibm.com>
2826
2827         * common.opt (freschedule-modulo-scheduled-loops): New flag.
2828         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
2829         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
2830         when -freschedule-modulo-scheduled-loops flag is not specified.
2831         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
2832         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
2833         More accurate placing of insn in row of partial schedule.
2834         (ps_insn_find_column): New function.
2835         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
2836         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
2837         (schedule_region): Use sched_is_disabled_for_current_region_p.
2838         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
2839
2840 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2841
2842         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
2843         change.
2844
2845 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2846
2847         * config/i386/i386.c (ix86_expand_clrmem): Properly call
2848         gen_strset for 64bit target.
2849
2850 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
2851
2852         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
2853
2854 2004-08-07  Jason Merrill  <jason@redhat.com>
2855
2856         Make return in memory explicit.
2857         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
2858         (assign_parm_find_data_types): Remove code for old front end
2859         invisible reference handling.
2860         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
2861         (expand_function_end): Likewise.
2862         * gimplify.c (gimplify_return_expr): Handle a dereferenced
2863         RESULT_DECL.
2864         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
2865         (declare_return_variable): Handle DECL_BY_REFERENCE.
2866         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
2867         (cp_genericize_r): Use convert_from_reference.
2868         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
2869         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
2870
2871         * c-common.c (c_warn_unused_result): Check TREE_USED before
2872         warning about a CALL_EXPR with an unused value.
2873
2874 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2875
2876         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
2877         to the compiler.  Use -fshort-wchar by default.
2878
2879 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
2880
2881         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
2882         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
2883         threshhold.
2884         * doc/invoke.texi (param): Document min-crossjump-insns.
2885
2886 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
2887
2888         PR c/13282
2889         * c.opt (Wmissing-field-initializers): New option.
2890         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
2891         * c-typeck.c (pop_init_level): Guard the missing field warning with
2892         warn_missing_field_initializers rather than extra_warnings.
2893         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
2894         some of the explanation from...
2895         (-Wextra): ...here.  Say that the missing field warning can be
2896         seperately controlled by -Wmissing-field-initializers.
2897
2898 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
2899
2900         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
2901         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
2902         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
2903         * tree.def (ENTRY_VALUE_EXPR): Remove.
2904
2905 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
2906
2907         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
2908         the places where it is actually needed.  Don't use repz; stosb
2909         for -Os with sufficiently small constant sizes.
2910         For sufficiently small repz; stos{l,q} repeat counts use a sequence
2911         of stos{l,q} instructions instead.
2912
2913 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2914
2915         PR tree-optimization/16807
2916         * loop-iv.c (dump_iv_info): Dump invariants correctly.
2917         (iv_subreg, iv_extend): Express value of invariant purely in
2918         base field.
2919
2920 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
2921
2922         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
2923         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
2924
2925 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
2926
2927         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
2928         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
2929         pre_dec_operand.
2930         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
2931         pattern until reload is finished to allow better code generation
2932         and split them completely into separate instrunctions.
2933         (*andsi3_split): New pattern.
2934
2935 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
2936
2937         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
2938         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
2939         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2940         * tree.h (handle_dll_attribute): Declare.  Test
2941         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2942         * c-common.h (c_determine_visibility): Declare.
2943         * c-common.c (c_determine_visibility): New function.
2944         * c-decl.c (finish_decl): Use it.
2945         (finish_function): Likewise.
2946         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
2947         zero, by default.  Use #if, not #ifdef, to test it.
2948         * config/arm/arm.c (arm_attribute_table): Use
2949         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
2950         #if.
2951         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
2952         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2953         to 1.
2954         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
2955         * config/i386/i386.c (ix86_attribute_table): Use
2956         handle_dll_attribute for dllimport/dllexport.  Test
2957         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2958         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
2959         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2960         it to 1.
2961         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
2962         with #if.
2963         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2964         it to 1.
2965         * doc/extend.texi (dllexport): Clarify and correct documentation.
2966         (dllimport): Likewise.
2967         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
2968         handle_dll_attribute.
2969
2970 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2971
2972         * tree-ssa-loop-manip.c: New file.
2973         * Makefile.in (tree-ssa-loop-manip.o): Add.
2974         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
2975         Declare.
2976         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
2977         form.
2978         (tree_ssa_loop_done): Verify loop closed ssa form.
2979         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
2980
2981 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2982
2983         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
2984         pa_asm_output_aligned_local): New functions.
2985         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
2986         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
2987         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
2988         pa_asm_output_aligned_common.
2989         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2990         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
2991         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2992         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2993         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
2994         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2995         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2996         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
2997         common data.
2998
2999 2004-08-05  Andrew Pinski  <apinski@apple.com>
3000
3001         * objc/objc-act.c (build_objc_string_object): Mark the address
3002         expression as constant.
3003
3004 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
3005
3006         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
3007         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
3008         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
3009
3010 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3011
3012         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
3013         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
3014         out, and associated obsolete comments.
3015
3016 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
3017
3018         * tree.h (force_fit_type): Return a tree, take three flags.
3019         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
3020         TREE_CONSTANT_OVERFLOW here.
3021         (int_const_binop, const_binop): Adjust.
3022         (size_int_type): Do sign extension here.
3023         (fold_convert_const, optimize_bit_field_compare,
3024         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
3025         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
3026         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
3027
3028 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3029
3030         PR tree-optimization/16864
3031         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
3032         for ssa names without default_def.
3033
3034 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
3035
3036         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
3037         frame pointer, restore eax with an ebp-relative address.
3038
3039 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
3040
3041         PR 14516
3042         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
3043         * c-common.h (make_rtl_for_local_static): Delete.
3044         * c-decl.c (shadow_tag_warned): Clean up comment.
3045         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
3046         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
3047         * c-semantics.c (make_rtl_for_local_static): Delete.
3048         * expr.c (init_block_move_fn): Use set_user_assembler_name.
3049         (init_block_clear_fn): Likewise.
3050         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
3051         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
3052         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
3053         * tree.h (make_decl_rtl): Remove second parameter.
3054         (set_user_assembler_name): New.
3055         * varasm.c (set_user_assembler_name): New.
3056         (make_decl_rtl): Remove second parameter.  Update callers in many
3057         files.
3058
3059 2004-08-05  Adam Nemet  <anemet@lnxw.com>
3060
3061         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
3062         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
3063         to LynxOS 4.0.
3064         * gthr-lynx.h: New file.
3065         * config/lynx-ng.h: Remove file.
3066         * config/lynx.h: Update to LynxOS 4.0.
3067         * config/t-lynx: New file.
3068         * config/i386/lynx-ng.h: Remove file.
3069         * config/i386/lynx.h: Update to LynxOS 4.0.
3070         * config/rs6000/lynxbase.h: Remove file.
3071         * config/rs6000/lynx.h: Update to LynxOS 4.0.
3072         * config/rs6000/t-lynx: New file.
3073         * doc/install.texi (Options specification): Remove reference to
3074         LynxOS from systems where --with-gnu-as makes a difference.
3075
3076 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3077
3078         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
3079         __UINTMAX_TYPE__.
3080         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
3081         __INTMAX_MAX__.
3082         (c_cpp_builtins): Call it.
3083         * doc/cpp.texi: Update.
3084
3085 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
3086
3087         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
3088         cost.
3089
3090 2004-08-04  Jan Hubicka  <jh@suse.cz>
3091
3092         * basic-block.h (profile_staus): New global variable.
3093         * cfg.c (profile_status): Declare.
3094         (check_bb_profile): Break out from ....; use profile_status
3095         (dump_flow_info): ... here.
3096         * cfgbuild.c (find_basic_blocks): Set profile_status.
3097         * cfgexpand.c (tree_expand_cfg): Likewise.
3098         * predict.c (estimate_probability): Likewise.
3099         * profile.c (branch_prob): Likewise.
3100         * tree-cfg.c (build_tree_cfg): Likewise.
3101         (dump_function_to_file): Use check_bb_profile.
3102         * tree-pretty-print (dump_bb_header): Likewise.
3103         * tree-profile.c (do_tree_profiling): Cleanup.
3104
3105 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
3106
3107         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
3108         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
3109         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
3110         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
3111         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
3112         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
3113         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
3114         (ggc-none.o, errors.o): Move rule to generators section;
3115         correct dependencies.
3116         (min-insn-modes.o): Move rule to generators section; remove
3117         unnecessary explicit command; correct dependencies.
3118         (print-rtl.o, print-rtl1.o): Correct dependencies.
3119         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
3120         (mostlyclean): Update.
3121
3122         * errors.c: Include bconfig.h not config.h.  Correct comment.
3123         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
3124         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
3125         * print-rtl.c: Don't include tm_p.h.
3126
3127         * rtl.h: Move forward-decl of struct function down where it's
3128         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
3129         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
3130
3131 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3132             Jeff Law  <law@redhat.com>
3133
3134         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
3135         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
3136         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
3137         manipulate the duplicated ssa names.
3138         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
3139         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
3140         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
3141         New functions.
3142         (release_ssa_name): Do not release ssa names that may have multiple
3143         definitions.
3144         * tree.h (release_ssa_name_force, mark_for_rewrite,
3145         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
3146         marked_ssa_names): Declare.
3147         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
3148         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
3149         Update call to rewrite_ssa_into_ssa.
3150
3151 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
3152
3153         * defaults.h (TARGET_DECLSPEC): New macro.
3154         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
3155         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
3156         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
3157         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
3158         __declspec support.
3159         (TARGET_DECLSPEC): Define.
3160         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
3161         __declspec support.
3162         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
3163         __declspec support.
3164         (TARGET_DECLSPEC): Define.
3165         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
3166         __declspec support.
3167         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
3168         support.
3169         * doc/tm.texi (TARGET_DECLSPEC): Document.
3170
3171         * doc/extend.texi: Fix typo in comment.
3172
3173 2004-08-04  Paul Brook  <paul@codesourcery.com>
3174
3175         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3176         (TARGET_CXX): Use it.
3177         * target.h (struct gcc_target): Add cdtor_returns_this.
3178         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
3179         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3180         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
3181
3182 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
3183
3184         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
3185         low/high pair. Do range checking directly.
3186         (interpret_integer): Adjust.
3187
3188 2004-08-04  Nick Clifton  <nickc@redhat.com>
3189
3190         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
3191         GCC ABI.
3192         * doc/invoke.texi: Document this new switch and also the -mrenesas
3193         switch.
3194
3195 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
3196
3197         * cfglayout.c (insn_locators_initialize): Update the current
3198         location before initializing a location.
3199
3200 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3201
3202         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
3203         (dbxout_function_end): Return after emitting the "Lscope" symbol
3204         under the same conditions that this function formerly wasn't called.
3205         Add explanatory comments.
3206
3207         PR 14860
3208         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
3209         on the new decl.
3210
3211         PR 13956
3212         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
3213         functions, broken out of dbxout_block.
3214         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
3215         stabs too, if it contains symbols.  Use the begin_label and
3216         the Lscope label (emitted by dbxout_function_end) for the
3217         range of this block.
3218
3219 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
3220
3221         * doc/install.texi: Update autoconf version requirements.
3222
3223 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3224
3225         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
3226         * recog.c (general_operand, immediate_operand, nonmemory_operand)
3227         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
3228         * regclass.c (record_reg_classes): Likewise.
3229         * reload.c (find_reloads): Likewise.
3230         * reload1.c (reload): Likewise.
3231
3232 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3233
3234         * gensupport.c (init_md_reader_args_cb): Renamed from
3235         init_md_reader_args.  Add third option, callback function for
3236         parsing program-specific options.  Add diagnosis of incorrect
3237         number of input files.
3238         (init_md_reader): Fold into init_md_reader_args_cb.
3239         (init_md_reader_args): Now a thin wrapper around
3240         init_md_reader_args_cb.
3241         * gensupport.h: Update prototypes.
3242
3243         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3244         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3245         * genrecog.c: No need to diagnose lack of an input file;
3246         init_md_reader_args will handle it.
3247         * genconditions.c: Likewise, and use init_md_reader_args.
3248         * genconstants.c: Likewise, and no need to call read_md_rtx.
3249
3250 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3251
3252         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
3253         declarations.
3254
3255 2004-08-03  Mike Stump  <mrs@apple.com>
3256
3257         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
3258         for frameworks.
3259         * doc/invoke.texi (Darwin Options): Update to reflect above.
3260
3261 2004-08-03  Roger Sayle  <roger@eyesopen.com>
3262
3263         PR middle-end/16790
3264         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
3265         truncations, not just global truncations.
3266
3267 2004-08-03  Andrew Pinski  <apinski@apple.com>
3268
3269         PR bootstrap/16865
3270         * loop-iv.c (simplify_using_assignment): Initialize lhs.
3271
3272 2004-08-03  Paul Brook  <paul@codesourcery.com>
3273
3274         * gcc/doc/install.texi: Document MPFR requirement.
3275
3276 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
3277
3278         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
3279         and mmap() explicitly instead of relying on preset autoconf cache
3280         variables.
3281         * configure: Regenerate.
3282
3283 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
3284
3285         PR target/16570
3286         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
3287         to tmake_file.
3288         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
3289         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
3290         to tmake_file.
3291
3292         * config/i386/t-gmm_malloc: New file.
3293         * config/i386/t-pmm_malloc: Likewise.
3294
3295         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
3296
3297 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
3298             Tanguy Fautrà <tfautre@pandora.be>
3299
3300         * config/i386/pmm_malloc.h: New file.
3301
3302 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
3303
3304         * config/i386/gmm_malloc.h: New file.
3305
3306 2004-08-03  Dale Johannesen  <dalej@apple.com>
3307
3308         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
3309         * c-common.c: Include opts.h.
3310         (c_common_get_alias_set): Fix check for a single input file.
3311         * toplev.c: Remove current_file_decl.
3312         * tree.h: Ditto.
3313
3314 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
3315
3316         * config.gcc (arm*-*-symbianelf*): New target.
3317         * config/arm/symbian.h: New file.
3318
3319         * gthr-gnat.c: Add visibility #pragmas.
3320         * gthr-gnat.h : Likewise.
3321         * gthr.h: Likewise.
3322         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
3323         (__ffsDI2): Likewise.
3324         (__clzSI2): Likewise.
3325         (__ctzSI2): Likewise.
3326         (__ctzDI2): Likewise.
3327         (__popcountSI2): Likewise.
3328         (__popcountDI2): Likewise.
3329         (__paritySI2): Likewise.
3330         (__parityDI2): Likewise.
3331         * libgcc2.h: Add visibility #pragmas.
3332         (__clzDI2): Add prototype.
3333         (__clzSI2): Likewise.
3334         (__ctzSI2): Likewise.
3335         (__ffsDI2): Likewise.
3336         (__ffsSI2): Likewise.
3337         (__ctzDI2): Likewise.
3338         (__popcountSI2): Likewise.
3339         (__popcountDI2): Likewise.
3340         (__paritySI2): Likewise.
3341         (__parityDI2): Likewise.
3342         * unwind-dw2-fde.h: Add visibility #pragmas.
3343         * unwind.h: Likewise.
3344
3345 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
3346             Dale Johannesen  <dalej@apple.com>
3347             Roger Sayle  <roger@eyesopen.com>
3348
3349         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
3350         constants more accurately.  Adjust costs for FMA instructions.
3351         Add cases for most logical and float operations.  Recurse into
3352         most operands.
3353
3354 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
3355
3356         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
3357
3358 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
3359
3360         * ra-build.c (conflicts_between_webs): For webs that cross a call add
3361         conflicts to regs_invalidated_by_call.
3362
3363 2004-08-03  Paul Brook  <paul@codesourcery.com>
3364
3365         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
3366
3367 2004-08-03  Jan Hubicka  <jh@suse.cz>
3368
3369         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
3370         ARRAY_REF argument.
3371
3372 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
3373
3374         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
3375         arm968es, arm10e, arm1020e, arm1022e.
3376         * invoke.texi: Update list of ARM cores.
3377         * arm-tune.md: Regenerate.
3378
3379 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
3380
3381         * arm/gentune.sh: New file.
3382         * arm/t-arm: New file.
3383         * arm/arm-tune.md: New file (autogenerated).
3384         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
3385         * arm.md (attribute tune): Delete.  Include arm-tune.md.
3386
3387 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
3388
3389         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
3390         penultimate parameter.  All callers adjusted.
3391         (struct prefix_list): Remove used_flag_ptr.
3392         (find_a_file): Do not set *pl->used_flag_ptr.
3393         (warn_B, warn_std_ptr): Remove.
3394
3395 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
3396             Mostafa Hagog <mustafa@il.ibm.com>
3397
3398         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
3399
3400 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
3401
3402         * dwarf2out.c (output_call_frame_info): Don't change data format
3403         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
3404         label.  Use 'true' not '1'.
3405         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
3406         required.
3407
3408 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
3409
3410         * gdbinit.in: Reflect previous changes to rtunion_def.
3411
3412 2004-08-02  Roger Sayle  <roger@eyesopen.com>
3413
3414         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
3415         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
3416
3417 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3418
3419         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
3420         vec_p_reserve.
3421         * langhooks.h (lang_hooks::builtin_function): Rename parameter
3422         from "class" to "bt_class".
3423
3424 2004-08-02  Paul Brook  <paul@codesourcery.com>
3425
3426         PR rtl-optimization/15068
3427         * flow.c (init_propagate_block_info): Check condition is reversible.
3428
3429 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3430
3431         * gengtype.h (options::info): Change type to const char *.
3432         (enum gc_used_enum): Move out of struct type scope.
3433         * gengtype.c (create_option): Convert initializer for option::info to
3434         appropiate type.
3435         (adjust_field_type, walk_type, write_func_for_structure,
3436         write_root, write_roots): Remove pointless cast.
3437
3438 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
3439
3440         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
3441
3442 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3443
3444         * rtl.h (union rtunion_def): Have all members  start with the
3445         prefix "rt_".
3446         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
3447         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
3448         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
3449         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
3450         access.
3451         * gengtype.c (adjust_field_rtx_def): Likewise.
3452         * rtlanal.c (loc_mentioned_in_p): Likewise.
3453
3454 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
3455
3456         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
3457         Replace uses of mips/elf64.h with mips/elf.h
3458         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
3459         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
3460         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
3461         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
3462         (HANDLE_SYSV_PRAGMA): Delete.
3463         (ASM_OUTPUT_DEF): Fix formatting.
3464         * config/mips/elf64.h: Delete.
3465
3466 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
3467
3468         * config/ia64/ia64.c (got_symbolic_operand): Do require a
3469         symbol+offset operand to have its offset be zero mod 0x3fff
3470         when GOT entries are in use.  Clarify logic in SYMBOL_REF
3471         case.  Clarify comments.
3472         (ia64_expand_load_address): Split a symbol+offset load when
3473         the offset is nonzero mod 0x3fff, not 0x1fff.
3474
3475 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
3476
3477         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
3478         if trying to *store* to a non-offsettable address.
3479         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
3480         a nonoffsettable address.
3481         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
3482         Clean up.
3483         (movti_string): Don't move GPRs to a nonoffsettable address.
3484         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
3485
3486 2004-08-02  Ben Elliston  <bje@au.ibm.com>
3487
3488         PR target/16155
3489         * config/rs6000/altivec.h: Replace typeof with __typeof__.
3490
3491 2004-08-01  Richard Henderson  <rth@redhat.com>
3492
3493         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
3494         variable sized types.
3495
3496 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3497
3498         * doc/invoke.texi: In the MIPS options section, remove the passage
3499         saying that -mexplicit-relocs is usually disabled for -mabicalls
3500         -fno-unit-at-a-time.
3501         * config/mips/mips.c (override_options): Remove the code that enforced
3502         this rule.
3503
3504 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3505
3506         * config/mips/mips.md (cprestore): Provide two alternatives, one for
3507         an in-range offset and one for an out-of-range offset.  Wrap the latter
3508         in .set macro/.set nomacro if it's inside a .set nomacro block.
3509
3510 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3511
3512         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
3513         (mips_restore_gp): Declare.
3514         * config/mips/mips.c (mips_add_offset): Add a scratch register
3515         argument.  Reimplement in rtl only, reusing MIPS16 logic from
3516         mips_output_mi_thunk.
3517         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
3518         to mips_add_offset.
3519         (mips_gp_save_slot): Delete.
3520         (mips_restore_gp): New function.
3521         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
3522         * config/mips/mips.md (exception_receiver): Turn into a
3523         define_insn_and_split.  Use mips_restore_gp to do the split.
3524         (call_internal, call_value_internal, call_value_multiple_internal): Use
3525         mips_restore_gp to restore $gp.
3526
3527 2004-07-31  Andrew Pinski  <apinski@apple.com>
3528
3529         PR other/16842
3530         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
3531
3532 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
3533
3534         * c-decl.c (diagnose_mismatched_decls): Give error for external
3535         redeclaration of identifier declared with no linkage, not just
3536         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
3537         error for redeclaration with no linkage.
3538
3539 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
3540             Fariborz Jahanian <fjahanian@apple.com>
3541
3542         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
3543         non-offsettable addresses even for DImode.
3544         (rs6000_split_multireg_move): Cope with non-offsettable addresses
3545         being moved into multiple GPRs.
3546
3547         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
3548         to 64.
3549         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
3550         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
3551         to 128.
3552         * config/rs6000/darwin-ldouble.c (isless): New macro.
3553         (inf): New macro.
3554         (nonfinite): New macro.
3555         (FPKINF): Delete.
3556         (_xlqadd): Completely rewrite.
3557         (_xlqmul): Correct overflow handling.
3558         (_xlqdiv): Correct overflow handling.
3559         * config/rs6000/darwin-ldouble-format: New file.
3560
3561 2004-07-30  Roger Sayle  <roger@eyesopen.com>
3562             Richard Henderson  <rth@redhat.com>
3563
3564         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
3565         9 into the equivalent lea instruction.
3566
3567 2004-07-30  Richard Henderson  <rth@redhat.com>
3568
3569         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
3570         with DECL_INITIAL if fb_lvalue.
3571         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
3572         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
3573         with <Cxxx>.
3574         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
3575
3576 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
3577
3578         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
3579         pointer escapes through a function call, assume that the
3580         callee will dereference it.
3581         (add_pointed_to_var): Assume that VALUE is always an
3582         ADDR_EXPR.
3583         (collect_points_to_info_r): Only call add_pointed_to_var if
3584         the value is an ADDR_EXPR.
3585
3586 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
3587
3588         * tree-ssa-alias.c (create_alias_map_for): Do not get the
3589         alias set of the inner type of ARRAY_TYPEs.
3590
3591 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3592
3593         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
3594         setting a non-register to UNDEFINED right before the call to
3595         set_lattice_value.
3596
3597 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3598
3599         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
3600
3601 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3602
3603         * tree-ssa.c (verify_flow_sensitive_alias_info): When
3604         comparing points-to sets of different pointers, make sure the
3605         second pointer is actually referenced in the code.
3606
3607 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
3608
3609         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
3610         (got_symbolic_operand): Remove unreachable code.
3611         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
3612         setjmp_operand; add entry for tls_symbolic_operand.
3613         * config/ia64/ia64-protos.h: Remove all prototypes of
3614         predicate functions.
3615
3616 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
3617
3618         * c-common.h (lang_post_pch_load): New variable.
3619         * c-pch.c (lang_post_pch_load): Define it.
3620         (c_common_read_pch): Use it.
3621         * cgraphunit.c (record_call_1): Give the front end a chance to
3622         record additional needed entities when a variable is marked as
3623         needed.
3624         * tlink.c (recompile_files): Robustify.
3625         (scan_linker_output): If a symbol is assigned to a file,
3626         but after recompilation is not present there, issue an error
3627         message.
3628
3629 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3630
3631         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
3632         Take orig_loop argument and pass it to set_level.
3633         (schedule_sm): Pass the correct orig_loop to force_move_till.
3634
3635 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3636
3637         * cfgloop.c (update_latch_info): Update dominator of the new block.
3638         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
3639         info.
3640         * dominance.c (verify_dominators): Check that the dominance tree is
3641         connected.
3642         (recount_dominator): Ignore unreachable blocks.
3643         (iterate_fix_dominators): Cleanup old dominance information before
3644         recomputing it.
3645
3646 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3647
3648         * tree-ssa-operands.c (get_expr_operands): Revert changes
3649         to ADDR_EXPR processing introduced by:
3650             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3651             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
3652
3653 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
3654
3655         * doc/implement-c.texi: Add C90 subclause references.  Point to
3656         preprocessor documentation instead of duplicating it.  Add points
3657         only present in C90.  Fill in documentation for all points.
3658
3659 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3660
3661         * pa.c (output_movb): Correct typo.
3662
3663 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
3664
3665         * ra.h (single_reg_in_regclass): Declare.
3666         * ra.c (single_reg_in_regclass): Define.
3667         (first_hard_reg): New.
3668         (init_ra): Initialize single_reg_in_regclass.
3669         * ra-colorize.c (ok_class): New.
3670         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
3671
3672 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
3673
3674         * gcov-io.h: Allow zero tag as EOF indicator.
3675         (gcov_is_eof): Remove.
3676         (gcov_truncate): Remove.
3677         * gcov-io.c (gcov_seek): Always SEEK_SET.
3678         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
3679         EOF tag.
3680         * coverage.c (read_counts_file): Don't use gcov_is_eof.
3681         * gcov-dump.c (dump_file): Likewise.
3682         * gcov.c (read_graph_file, read_count_file): Likewise.
3683
3684         * c-decl.c (complete_array_type): Don't gratuitously copy
3685         maxindex.  Check it always has a type.
3686
3687 2004-07-29  Steven Bosscher  <stevenb@suse.de>
3688
3689         * rtl.c (currently_expanding_to_rtl): New.
3690         * rtl.h (currently_expanding_to_rtl): Export it.
3691         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
3692
3693         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
3694         inliner hack.
3695         * config/sh/sh.c: Replace rtx_equal_function_value_matters
3696         with currently_expanding_to_rtl.
3697         * config/sh/sh.md: Likewise.
3698         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
3699
3700 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
3701
3702         Introduce sh2a support.
3703         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
3704         * config.gcc: Build multilibs for sh2a and sh2a-single by
3705         default.
3706         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
3707         default.  Split their tests out of the corresponding SH4
3708         multilibs.
3709         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
3710         multilibs for SH2a.
3711         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
3712         * config.gcc: Handle sh2a multilibs and cpu selection.
3713         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
3714         * config/sh/t-mlib-sh2a: New.
3715         * config/sh/t-mlib-sh2a-nofpu: New.
3716         * config/sh/t-mlib-sh2a-single: New.
3717         * config/sh/t-mlib-sh2a-single-only: New.
3718         2004-07-09  Nick Clifton  <nickc@redhat.com>
3719         Issue 43400
3720         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
3721         -ml and -m2a are used together.
3722         2004-03-23  DJ Delorie  <dj@redhat.com>
3723         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
3724         when we have a double-sized FPU.
3725         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
3726         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
3727         is set.
3728         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
3729         -msh2a-single and -msh2a-single-only
3730         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
3731         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
3732         is set.
3733         2004-02-20  DJ Delorie  <dj@delorie.com>
3734         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
3735         2004-02-20  Fred Fish <fnf@redhat.com>,
3736         Corinna Vinschen <vinschen@redhat.com>
3737         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
3738         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
3739         2004-02-18  DJ Delorie  <dj@redhat.com>
3740         * config/sh/sh.c (broken_move): Add support for movi20.
3741         * config/sh/sh.h: Likewise.
3742         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
3743         * config/sh/sh.md (udivsi3_sh2a): New.
3744         (udivsi3): Call it.
3745         (divsi3_sh2a): New.
3746         (divsi3): Call it.
3747         (mul_r): New.
3748         (ashlsi3_sh2a): New.
3749         (ashrsi3_sh2a): New.
3750         (lshrsi3_sh2a): New.
3751         (movsi_i): Disable for sh2a.
3752         (movsi_ie): Add movi20.
3753         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
3754         sh2a, for -m2a-nofpu mode.
3755         2004-02-13  DJ Delorie  <dj@redhat.com>
3756         * config/sh/lib1funcs.asm: Handle double vs single better.
3757         * config/sh/sh.h: Likewise.
3758         2004-02-09  DJ Delorie  <dj@redhat.com>
3759         * config/sh/crt1.asm: Add support for sh2a.
3760         * config/sh/elf.h: Likewise.
3761         * config/sh/lib1funcs.asm: Likewise.
3762         * config/sh/sh.c: Likewise.
3763         * config/sh/sh.md: Likewise.
3764         * config/sh/sh.h: Likewise.
3765         * config/sh/t-sh: Likewise.
3766
3767 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
3768
3769         * config/frv/frv.md (movqi_internal, movhi_internal,
3770         movsi_internal): Add backup alternatives for memory inputs.
3771
3772 2004-07-28  Matt Austern  <austern@apple.com>
3773
3774         * config/darwin.c (darwin_one_byte_bool): New global variable.
3775         * config/darwin.h (darwin_one_byte_bool): Declare.
3776         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
3777         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
3778         value of darwin_one_byte_bool.
3779         * doc/invoke.texi: Document -mone-byte-bool flag.
3780
3781 2004-07-28  Eric Christopher  <echristo@redhat.com>
3782
3783         * c-common.c (c_common_unsafe_for_reeval): Delete.
3784         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
3785         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
3786         * calls.c (fix_unsafe_tree): Delete.
3787         (expand_call): Delete code which used above.
3788         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
3789         * expr.c (expand_expr_real_1): Ditto.
3790         * fold-const.c (non_lvalue): Ditto.
3791         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
3792         (lhd_unsafe_for_reeval): Ditto.
3793         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
3794         * langhooks.h (unsafe_for_reeval): Ditto.
3795         (unsave_expr_now): Adjust comment.
3796         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
3797         (estimate_num_insns_1): Ditto.
3798         * tree-pretty-print.c (dump_generic_node): Ditto.
3799         * tree.c (expr_align): Ditto.
3800         (unsave_expr): Delete.
3801         (unsafe_for_reeval): Ditto.
3802         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
3803         * tree.def (UNSAVE_EXPR): Delete.
3804         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
3805
3806 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
3807
3808         * tree.h (enum tls_model): Move ...
3809         * coretypes.h: ... here.
3810
3811 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
3812
3813         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
3814
3815 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
3816
3817         * cse.c (validate_canon_reg): New function, split out from...
3818         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
3819
3820 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3821
3822         * tree-ssa-alias.c (maybe_create_global_var): Don't just
3823         return if .GLOBAL_VAR has been created.
3824
3825 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3826
3827         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
3828         every variable that may have aliases, not just tags.
3829
3830 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
3831
3832         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
3833         move_from_CR_eq_bit.
3834         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
3835
3836
3837         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
3838         e500_flip_eq_bit.
3839
3840         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
3841         output_e500_flip_eq_bit.
3842
3843         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
3844         output_e500_flip_eq_bit.
3845         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
3846         output_e500_flip_eq_bit.
3847         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
3848         (print_operand): case D.  Get to EQ bit.
3849
3850 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
3851
3852         * gcov.c (function_summary): Add missing \n.
3853
3854 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
3855
3856         Introduce sh4a support.
3857         * config.gcc: Handle sh4a multilibs and cpu selection.
3858         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
3859         * config/sh/t-mlib-sh4a: New.
3860         * config/sh/t-mlib-sh4al: New.
3861         * config/sh/t-mlib-sh4a-nofpu: New.
3862         * config/sh/t-mlib-sh4a-single: New.
3863         * config/sh/t-mlib-sh4a-single-only: New.
3864         2004-02-20  DJ Delorie  <dj@redhat.com>
3865         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
3866         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
3867         2003-08-22  Eric Christopher  <echristo@redhat.com>
3868         * config/sh/sh4a.md: Update for chip errata.
3869         2003-08-07  Eric Christopher  <echristo@redhat.com>
3870         * config/sh/sh4a.md: New file. sh4a processor description.
3871         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
3872         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
3873         of -m4a-nofpu.
3874         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
3875         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
3876         * doc/invoke.texi (SH Options): Document -m4al.
3877         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
3878         * config/sh/sh.c (expand_block_move): Remove commented-out code
3879         checked in by mistake.
3880         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
3881         single elements from SFmode vectors.
3882         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
3883         register.
3884         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
3885         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
3886         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
3887         sh_fsca_int2sf): Remove variable declarations.
3888         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3889         sh_fsca_int2sf): New functions.
3890         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
3891         sh_fsca_int2sf_rtx): New static variables.
3892         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
3893         sh_fsca_int2sf): Declare.
3894         * config/sh/sh.md: Adjust.
3895         * doc/invoke.texi (SH Options): Document new options.
3896         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
3897         compatibility from SH4 code.
3898         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
3899         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
3900         early.
3901         (memory_movsrc_operand): Renamed to...
3902         (unaligned_load_operand): ... this.  Simplified.
3903         * config/sh/sh.h (PREDICATE_CODES): Adjust.
3904         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
3905         input operand to SImode, and adjust the others.  Introduce
3906         post-increment by peephole.
3907         * config/sh/sh.c (expand_block_move): Give the target address the
3908         same mode as the temp reg.
3909         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
3910         copying.
3911         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
3912         Introduce support for SH4a.
3913         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
3914         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
3915         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
3916         sh_fsca_int2sf): New.
3917         (sh_init_builtins): Initialize them.
3918         (print_operand): Support `d'.
3919         (expand_block_move): Use movua if src is misaligned.
3920         (memory_movsrc_operand): New.
3921         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
3922         and one of the SH4 macros.
3923         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
3924         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
3925         SELECT_SH4A_SINGLE): New.
3926         (TARGET_NONE): Add SH4A_BIT.
3927         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
3928         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
3929         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
3930         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
3931         (enum processor_type): Added PROCESSOR_SH4A.
3932         (PREDICATE_CODES): Add memory_movsrc_operand.
3933         * config/sh/sh.md: Removed unused variables.
3934         (attr cpu): Add sh4a.
3935         (attr type): Add movua, fsrra and fsca.
3936         (prefetch): New, for SH4.
3937         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
3938         (toggle_sz): Set type to fp.
3939         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
3940         (movua, extv, extzv): New.
3941         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
3942         and 4a-single-only.
3943
3944 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3945
3946         * tree-optimize.c (init_tree_optimization_passes): Schedule
3947         pass_may_alias right after the program is renamed into SSA.
3948         * tree-pass.h (PROP_alias): Define.
3949         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
3950         * tree-sra.c (pass_sra): Likewise.
3951         * tree-ssa-ccp.c (pass_ccp): Likewise.
3952         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
3953         * tree-ssa-dce.c (pass_dce): Likewise.
3954         * tree-ssa-dom.c (pass_dominator): Likewise.
3955         * tree-ssa-dse.c (pass_dse): Likewise.
3956         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3957         * tree-ssa-loop-ch.c (pass_ch): Likewise.
3958         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3959         * tree-ssa-pre.c (pass_pre): Likewise.
3960         * tree-tailcall.c (pass_tail_recursion): Likewise.
3961         * tree-ssa.c (pass_redundant_phi): Likewise.
3962         * tree-ssa-alias.c (aliases_computed_p): Remove.
3963         Update all users.
3964         (init_alias_info): Do not mark all type tags for renaming
3965         unconditionally.
3966         Clear may_aliases from every symbol.
3967         (setup_pointers_and_addressables): If a pointer has not been
3968         dereferenced and it had a type tag, clear it and mark the old
3969         tag for renaming.
3970
3971 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3972
3973         PR tree-optimization/16705
3974         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
3975         .GLOBAL_VAR.
3976
3977 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3978
3979         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
3980         check.
3981
3982         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
3983         don't make another one.
3984
3985         PR optimization/15077
3986         * function.h (struct function): Add field saved_static_chain_decl.
3987         Fix comment for static_chain_decl.
3988         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
3989         * tree-inline.h (save_body): Add new arg.
3990         * tree-optimize.c (tree_rest_of_compilation): Handle saving
3991         static_chain_decl.
3992
3993 2004-07-27  Richard Henderson  <rth@redhat.com>
3994
3995         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
3996         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
3997         is_gimple_addressable.
3998         * tree-gimple.c (is_gimple_addressable): Rename from
3999         is_gimple_addr_expr_arg; accept INDIRECT_REF.
4000         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
4001         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
4002         rename to is_gimple_addressable.
4003
4004 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
4005
4006         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
4007
4008 2004-07-27  Richard Henderson  <rth@redhat.com>
4009
4010         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
4011         before rounding.
4012
4013 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
4014
4015         * libgcc2.c: Change all conditionals testing
4016         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
4017         * libgcc2.h: Likewise.
4018         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
4019         TYPE_PRECISION of float80_type to 80.
4020         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
4021         of fpreg_type and float80_type to 80.
4022         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
4023         * config/m68k/netbsd-elf.h:
4024         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
4025         to evaluate to 80 whenever they would formerly have evaluated to 96.
4026         * config/i386/sco5.h: Remove unnecessary redefinition of
4027         LONG_DOUBLE_TYPE_SIZE.
4028         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
4029         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
4030         XFmode, with a bitsize of 80.  Update commentary.
4031         * config/ia64/ia64-modes.def: Likewise.
4032         * config/m68k/m68k-modes.def: Likewise.
4033
4034 2004-07-27  Steven Bosscher  <stevenb@suse.de>
4035
4036         * cfgexpand.c (tree_expand_cfg): Fix comment.
4037
4038         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
4039         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
4040         Remove.
4041         (prepare_function_start): Don't set rtx_equal_function_value_matters.
4042         * integrate.c (copy_rtx_and_substitute): Don't test for it.
4043         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
4044         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
4045         here again.  Update leading comment.
4046         * rtl.c (rtx_equal_function_value_matters): Remove.
4047         (rtx_equal_p): Don't test for it.
4048         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
4049         Likewise.
4050
4051         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
4052         * rtl.c (note_insn_name): Likewise.
4053         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
4054         * final.c (final_scan_insn): Likewise.
4055
4056         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
4057         * passes.c (rest_of_handle_eh): Do it here.
4058
4059         * stmt.c (struct nesting): Remove struct nesting block member.
4060         (struct stmt_status): Remove x_block_start_count field.
4061         (current_block_start_count): Remove.
4062
4063 2004-07-27  Brian Booth  <bbooth@redhat.com>
4064
4065         * tree-optimize.c (register_one_dump_file): Update condition that uses
4066         static_pass_number.
4067         (dup_pass_1): Replace with...
4068         (next_pass_1): This.
4069         (NEXT_PASS): Call next_pass_1.
4070         (DUP_PASS): Remove.
4071         (init_tree_optimization_passes): Remove uses of DUP_PASS.
4072         (execute_one_pass): Update condition that uses
4073         static_pass_number.
4074         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
4075         integer.
4076
4077 2004-07-27  Nick Clifton  <nickc@redhat.com>
4078
4079         * config/m32r/m32r.c: Include integrate.h in order to get the
4080         prototype for get_hard_reg_initial_val().
4081
4082         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
4083         and tidy up indentation.
4084         (final_presence_set): Use absence_set instead, so that if there is
4085         nothing in the "o" pipe the "s" pipe can be scheduled.
4086
4087 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
4088
4089         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
4090         don't have PT_VARS nor PT_MALLOC set.
4091         Clear name tag from pointers that have not been dereferenced.
4092         (set_pt_anything, set_pt_malloc): Forward declare.
4093         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
4094         not type compatibility when determining if a pointer can be
4095         copy propagated.
4096
4097 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
4098
4099         * expr.h (canonicalize_condition, get_condition): Add an int argument.
4100         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
4101         it to check whether the condition is still valid at the jump insn.
4102         * ifcvt.c (noce_get_condition): Likewise.
4103         (noce_get_alt_condition): Update call to canonicalize_condition.
4104         * loop-iv.c (simplify_using_initial_values): Update call to
4105         get_condition.  Remove FIXME.
4106         (check_simple_exit): Update call to get_condition.
4107         * loop-unswitch.c (may_unswitch_on): Likewise.
4108         * loop.c (check_dbra_loop): Likewise.
4109         (canonicalize_condition, get_condition): Add an argument to say whether
4110         the condition must still be valid at INSN.
4111         (get_condition_for_loop): Update call to get_condition.  Require that
4112         the condition be valid at INSN.
4113         * predict.c (estimate_probability): Update call to get_condition.
4114         Remove unused earliest parameter.
4115         (expected_value_to_br_prob): Update call to canonicalize_condition.
4116
4117 2004-07-26  Eric Christopher  <echristo@redhat.com>
4118
4119         * tree-dfa.c (add_referenced_var): Register initializers of global
4120         variables.
4121
4122 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
4123
4124         * config/i386/i386.c (function_arg): Always treat 8-
4125         and 16-byte wide vectors the same, even if MMX/SSE
4126         are disabled.
4127         (contains_128bit_aligned_vector_p): Add comment.
4128
4129 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
4130
4131         * ra.h (enum node_type): Rename to:
4132         (enum ra_node_type).
4133         * ra-colorize.c: Likewise.
4134
4135 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
4136
4137         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
4138         after simplifying the jump.
4139
4140 2004-06-26  Richard Henderson  <rth@redhat.com>
4141
4142         * calls.c (combine_pending_stack_adjustment_and_call): Make
4143         preferred_unit_stack_boundary argument unsigned.  Make
4144         unadjusted_alignment unsigned.
4145         (expand_call): Make preferred_stack_boundary and
4146         preferred_unit_stack_boundary variables unsigned.
4147         * function.c (assign_stack_local_1): Make alignment unsigned.
4148         * function.h (struct function): Make stack_alignment_needed,
4149         preferred_stack_boundary unsigned.
4150         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
4151         (ix86_compute_frame_layout): Make stack_alignment_needed,
4152         preferred_alignment variables unsigned.
4153         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
4154
4155 2004-07-26  Tom Tromey  <tromey@redhat.com>
4156
4157         * tree.h: Fix typo in comment.
4158
4159 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
4160
4161         PR bootstrap/12804
4162         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
4163         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
4164         (ggc_free): Remove incorrect freeing.
4165         (sweep_pages): Advance PP for large pages.  Fix indentation.
4166
4167 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
4168
4169         PR rtl-optimization/16643
4170         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
4171         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
4172         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
4173         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
4174         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
4175         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4176         * rtl.h (tracer): Add a flags parameter.
4177         * tracer.c (tracer): Pass it to cfg_layout_initialise.
4178         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
4179         (rest_of_handle_reorder_blocks): Update calls to tracer and
4180         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
4181         (rest_of_handle_tracer): Pass 0 to tracer.
4182         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
4183
4184 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
4185
4186         PR target/16239
4187         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
4188         f->f.
4189
4190 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
4191
4192         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
4193         (BINFO_BASE_ACCESS): Adjust.
4194         (BINFO_BASE_ACCESS_APPEND): New.
4195         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
4196         * dbxout.c (dbxout_type): Adjust binfo access accessing.
4197         * dwarf2out.c (gen_member_die): Likewise.
4198         * tree-dump.c (deque_and_dump): Likewise.
4199
4200 2004-07-26  Falk Hueffner  <falk@debian.org>
4201
4202         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
4203         costs.
4204
4205 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4206
4207         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
4208         value off of the stack if TARGET_USE_FFREEP.
4209
4210 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4211
4212         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
4213         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
4214         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
4215         check on invocation of XRESIZEVEC ().
4216
4217 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4218
4219         * c-common.c (disable_builtin_function): Rename variable n to
4220         new_disabled_builtin.
4221         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
4222         Rename local variable old to old_decl.
4223         * gensupport.c (shift_output_template): Rename parameter old to src.
4224         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
4225         old_rtx and newx to new_rtx.
4226
4227 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4228
4229         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
4230         of c-pragma.h.
4231         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
4232         enum cpp_ttype.
4233         * c-lex.c: Likewise.
4234
4235 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4236
4237         * fold-const.c (constant_boolean_node): Make extern.
4238         (make_range): Wrap long lines.
4239         (fold_cond_expr_with_comparison): Remove unnecessary call to
4240         pedantic_non_lvalue.  Add missing calls to fold_convert.
4241         (fold_truthop): Add missing calls to fold_convert.
4242         (fold): Likewise.
4243         * tree.h (constant_boolean_node): Add prototype here.
4244         * builtins.c (expand_builtin_strncmp): Add missing calls to
4245         fold_convert.
4246         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
4247         Call fold_convert and constant_boolean_node to correct types.
4248         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
4249         missing call to fold_convert to correct types.
4250
4251 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
4252             Brian Ryner  <bryner@brianryner.com>
4253
4254         PR c++/9283
4255         PR c++/15000
4256         * c-common.c (c_common_attribute_table): Allow
4257         handle_visibility_attribute to be called for types.
4258         (handle_visibility_attribute) When given a type, set the visibility
4259         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
4260         so that we can check later whether the attribute was present. Added
4261         warning if attribute applied to non class type.
4262         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
4263         decls and checking that they are consistent.
4264         * common.opt: Added -fvisibility.
4265         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
4266         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
4267         * flags.h, tree.h: Added assorted support defines for overall patch
4268         * opts.c: Added parsing support for -fvisibility.
4269         * tree.c (build_decl): Set visibility for all decls to be whatever
4270         is in force at that time.
4271         * varasm.c (default_binds_local_p_1): Reworked logic determining
4272         when to make a symbol locally bound.
4273         * doc/invoke.texi: Added documentation for -fvisibility and
4274         -fvisibility-inlines-hidden.
4275
4276 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4277
4278         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
4279         * c-common.c: Add missing casts from void * to other types.
4280         * c-decl.c: Likewise.
4281         * c-format.c: Likewise.
4282         * c-lex.c: Likewise.
4283         * c-pragma.c: Likewise.
4284         * c-typeck.c: Likewise.
4285         * defaults.h: Likewise.
4286         * genconstants.c: Likewise.
4287         * gengtype-lex.l: Likewise.
4288         * genmodes.c: Likewise.
4289         * read-rtl.c: Likewise.
4290         * rtl.c: Likewise.
4291
4292 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4293
4294         * bitmap.c: Use type-safe memory allocation macros from libiberty.
4295         * c-common.c: Likewise.
4296         * c-decl.c: Likewise.
4297         * c-lang.c: Likewise.
4298         * c-lex.c: Likewise.
4299         * c-opts.c: Likewise.
4300         * c-parse.in: Likewise.
4301         * c-typeck.c: Likewise.
4302         * genconditions.c: Likewise.
4303         * gengtype-lex.l: Likewise.
4304         * gengtype-yacc.y: Likewise.
4305         * gengtype.c: Likewise.
4306         * genmodes.c: Likewise.
4307         * gensupport.c: Likewise.
4308         * read-rtl.c: Likewise.
4309         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
4310         htab_find_slot().
4311
4312 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4313
4314         * c-decl.c (groktypename, groktypename_in_param_context): Rename
4315         variable typename to type_name.
4316         * c-lex.c (interpret_float): Likewise.
4317
4318 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4319
4320         * convert.c (convert_to_real, convert_to_integer,
4321         convert_to_complex): Replace calls to build with calls to buildN.
4322         * coverage.c (tree_coverage_counter_ref): Likewise.
4323         * dojump.c (do_jump): Likewise.
4324         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
4325         * emit-rtl.c (component_ref_for_mem_expr,
4326         set_mem_attributes_minus_bitpos): Likewise.
4327         * explow.c (update_nonlocal_goto_save_area): Likewise.
4328         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
4329         expand_mult_add): Likewise.
4330         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
4331         store_constructor, get_inner_reference, expand_expr_real_1,
4332         try_casesi, try_tablejump): Likewise.
4333         * function.c (expand_function_start): Likewise.
4334         * stmt.c (emit_case_bit_tests, expand_end_case_type,
4335         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
4336         * stor-layout.c (place_union_field, layout_type): Likewise.
4337         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
4338         * varasm.c (copy_constant): Likewise.
4339
4340 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4341
4342         * c-common.c: Rename all identifiers named `new'.
4343         * c-decl.c: Likewise.
4344         * gensupport.c: Likewise.
4345         * simplify-rtx.c: Likewise.
4346         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
4347         with XNEW().
4348         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
4349         with XNEWVEC().
4350
4351 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4352
4353         PR c/15360
4354         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
4355         declarations until after calling pushdecl.
4356         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
4357         "extern" and not on whether the declaration is initialized.
4358
4359 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
4360
4361         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
4362         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
4363         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
4364         "cpplib.h", "c-pragma.h", "c-common.h".
4365         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
4366         (solaris_register_pragmas): New functions.
4367         * config/sol2-protos.h: New file.
4368         * config/sol2.c: New file.
4369         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
4370         (REGISTER_TARGET_PRAGMAS): New macros.
4371         (solaris_pending_aligns, solaris_pending_inits)
4372         (solaris_pending_finis): New variables.
4373         * config/t-sol2 (sol2-c.o): Update dependencies.
4374         (sol2.o): New rule.
4375         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
4376         SUBTARGET_INSERT_ATTRIBUTES.
4377         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
4378         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
4379         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
4380         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
4381         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
4382         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
4383         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
4384         * config/sparc/sparc.c (sparc_attribute_table): New.
4385         (TARGET_INSERT_ATTRIBUTES): Define in terms of
4386         SUBTARGET_INSERT_ATTRIBUTES.
4387         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
4388         is defined.
4389         * doc/extend.texi (Solaris Pragmas): New section.
4390
4391 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4392
4393         * c-common.c: Rename all identifiers named `class' to `cl'.
4394         * c-common.h: Likewise.
4395         * c-parse.in: Likewise.
4396         * c-typeck.c: Likewise.
4397         * genmodes.c: Likewise.
4398         * real.c: Likewise.
4399         * real.h: Likewise.
4400         * recog.c: Likewise.
4401         * recog.h: Likewise.
4402         * regrename.c: Likewise.
4403         * tree.h: Likewise.
4404         * c-common.c (builtin_function_2): Change type of 5th parameter from
4405         int to enum built_in_function. Change type of 8th parameter from int
4406         to bool.
4407         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
4408         with GGC_CNEW().
4409         * c-typeck.c (convert_arguments): Change type of formal_prec from
4410         int to unsigned int.
4411         * genmodes.c (blank_mode): Make a few negative constants unsigned.
4412         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
4413         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
4414         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
4415         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
4416         iterator to for_all_modes () instead of an enum because enums can't
4417         be incremented in C++.
4418
4419
4420 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
4421
4422         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
4423         hard registers.
4424
4425 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4426
4427         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
4428         Handle ARRAY_RANGE_REF like ARRAY_REF.
4429
4430 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4431
4432         * c-typeck.c (digest_init): Don't allow arrays of signed or
4433         unsigned variants of wchar_t to be initialized by wide string
4434         constants.  Do allow arrays of enumerated types compatible with
4435         wchar_t to be initialized by wide string constants.  Refine tests
4436         distinguishing wide and narrow strings and arrays.  Give specific
4437         error for arrays of other integer types initialized by string
4438         constants.
4439         (output_init_element, process_init_element): Check for
4440         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
4441         initializing with string constants.
4442
4443 2004-07-25  Richard Henderson  <rth@redhat.com>
4444
4445         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
4446         on the RESULT_DECL.
4447         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4448         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
4449         DECL_IGNORED_P to new decl.
4450
4451 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
4452
4453         * config/ia64/ia64.c (general_xfmode_operand)
4454         (destination_xfmode_operand): Delete.
4455         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
4456         * config/ia64/ia64.md (*movxf_internal): Use general_operand
4457         and destination_operand.
4458
4459 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
4460
4461         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
4462         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
4463
4464 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
4465             Zack Weinberg  <zack@codesourcery.com
4466
4467         PR 16684
4468         * c-decl.c (diagnose_mismatched_decls): Don't issue a
4469         redundant-declaration warning the first time a builtin is
4470         declared explicitly.
4471
4472 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4473
4474         * tree.h (staticp): Change return type to bool.
4475
4476 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4477
4478         * c-common.c (c_staticp): Last episode of the staticp saga.
4479
4480 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4481
4482         * c-common.h (c_staticp): Change return type from int to bool.
4483         * tree.c (staticp): Likewise.
4484         * langhooks.h (staticp): Likewise.
4485
4486 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4487
4488         * langhooks-def.h (lhd_staticp): Change return type from int to
4489         bool in prototype to match definition.
4490
4491 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4492
4493         * system.h (bool, true, false): Don't redefine as preprocessor macros
4494         in C++.
4495
4496 2004-07-24  Roger Sayle  <roger@eyesopen.com>
4497
4498         * expmed.c (init_expmed): A signed modulus by a power of two is
4499         considered cheap if its less than or equal to four instructions.
4500
4501 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4502
4503         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
4504         GGC_CNEWVAR): New macros.
4505
4506 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4507
4508         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
4509         lists.
4510         * c-decl.c: Likewise.
4511         * c-format.c: Likewise.
4512         * c-lex.c: Likewise.
4513         * c-opts.c: Likewise.
4514         * c-pragma.c: Likewise.
4515         * c-typeck.c: Likewise.
4516         * gencheck.c: Likewise.
4517         * genconditions.c: Likewise.
4518         * genconfig.c: Likewise.
4519         * genflags.c: Likewise.
4520         * gengtype.c: Likewise.
4521         * gensupport.c: Likewise.
4522         * ggc-none.c: Likewise.
4523         * langhooks.c: Likewise.
4524         * statistics.h: Likewise.
4525         * stub-objc.c: Likewise.
4526         * java/decl.c: Likewise.
4527
4528 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
4529
4530         * config/m68k/m68k.c (output_scc_di): Fix coding style.
4531         (symbolic_operand): Fix prototype.
4532         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
4533         * config/m68k/m68k.md: Add constants for registers a0 and sp and
4534         use them, change from the "{...}" syntax to the simpler {...}
4535         syntax.
4536         (*cfv4_extendqisi2): Fix destination predicate.
4537         * config/m68k/m68k-protos.h: Remove various declarations also
4538         generated via PREDICATE_CODES.
4539
4540 2004-07-23  Mike Stump  <mrs@apple.com>
4541
4542         * c-typeck.c (convert_for_assignment): Tightened up pointer
4543         converstions that differ in signedness.
4544
4545 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
4546
4547         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
4548
4549 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4550
4551         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
4552         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
4553
4554         * gimplify.c (gimplify_compound_lval): Check for no handled
4555         operations, rather than checking for explicit list of nodes.
4556         (is_gimple_addr_expr_arg_or_indirect): New function.
4557         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
4558         redundant setting of TREE_INVARIANT.
4559         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
4560         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
4561
4562 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
4563
4564         PR tree-optimization/16688
4565         PR tree-optimization/16689
4566         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
4567         unnecessary initialization of 'tag'.
4568         (get_tmt_for): Check that the new type tag has the same alias
4569         set as the pointed-to type.
4570         (group_aliases): Only regular variables need to be removed
4571         from the alias set of a name tag.
4572         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
4573         propagation if the two types are not compatible.
4574         (merge_alias_info): Rename from replace_ssa_names_ann.
4575         Add more checking.
4576         (replace_exp_1): If both arguments are SSA_NAMEs, check that
4577         the propagation can be done.
4578         Only call merge_alias_info on pointers.
4579         (propagate_value): Likewise.
4580         * tree-ssa-copyrename.c: Include langhooks.h.
4581         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
4582         to do the merging.
4583         Do not coalesce variables with incompatible types.
4584         (rename_ssa_copies): Call replace_ssa_name_symbol.
4585         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
4586         the same type as the underlying _DECL.
4587         * tree-ssanames.c (replace_ssa_name_symbol): New function.
4588         * tree.h (replace_ssa_name_symbol): Declare.
4589
4590 2004-07-23  Richard Henderson  <rth@redhat.com>
4591
4592         PR c++/16277
4593         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
4594         unshare it properly.
4595         (gimplify_modify_expr_rhs): Push assignment from a conditional into
4596         the conditional for all non-register types.
4597
4598 2004-07-23  Richard Henderson  <rth@redhat.com>
4599
4600         * expr.c (expand_expr_real_1): Don't handle non-local variables.
4601         * expr.h (fix_lexical_addr): Remove.
4602         * function.c (NEED_SEPARATE_AP): Remove.
4603         (fix_lexical_addr): Remove.
4604         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
4605         not null decl_function_context.
4606         (create_alias_vars): Likewise.
4607         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
4608         (simple_goto_p): Likewise.
4609         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
4610         * tree-ssa-ccp.c (get_default_value): Likewise.
4611         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4612         * tree.c (needs_to_live_in_memory): Likewise.
4613         * tree-flow-inline.h (may_be_aliased): Move...
4614         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
4615         when TREE_STATIC variables may be addressable.
4616
4617 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
4618
4619         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
4620
4621 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
4622
4623         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
4624         bitmap contents if GENERATOR_FILE is defined.
4625         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
4626         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
4627
4628 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
4629
4630         * c-decl.c (start_function): Form composite type of function types
4631         rather than copying type from previous prototype declaration.
4632
4633 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
4634
4635         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
4636         the const qualifier for the second argument in the C++ functions.
4637
4638         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
4639         specific pointer types.
4640
4641         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
4642         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
4643         for vector bool and/or vector pixel, add C++ and C missing support.
4644         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
4645         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
4646         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
4647         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
4648         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
4649         missing C++ and C support for vector bool and/or vector pixel.
4650         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
4651         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
4652         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
4653         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
4654         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
4655         C++ and C types used for vector bool and/or vector pixel.
4656         (vec_st, vec_stl): Add C++ support for vector pixel.
4657         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
4658         (vec_all_ne): Add C++ support for vector pixel.
4659
4660         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
4661         (vec_vmulesb): Add missing C++ function.
4662         (vec_perm): Fix type of third argument in C++ function.
4663         (vec_vsum4shs): Fix C++ function name.
4664         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
4665         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
4666         argument passed to the error handler in C macro.
4667         (vec_nmsub): Remove extra parens around argument names in C macro.
4668         (vec_packpx): Add missing parens in C macro.
4669
4670 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
4671
4672         * machmode.def: Remove vector modes.
4673         * config/alpha/alpha-modes.def: Add supported vector modes.
4674         * config/arm/arm-modes.def: Likewise.
4675         * config/frv/frv-modes.def: Likewise.
4676         * config/i386/i386-modes.def: Likewise.
4677         * config/rs6000/rs6000-modes.def: Likewise.
4678         * config/sh/sh-modes.def: Likewise.
4679
4680 2004-07-23  Matthias Klose  <doko@debian.org>
4681
4682         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
4683         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
4684         * config.h: Regenerate.
4685         * configure: Likewise.
4686
4687 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
4688
4689         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
4690         generated SYMBOL_REFs for labels.
4691         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
4692         Change prototype.
4693         (machopic_stub_name): Remove.
4694         (machopic_indirection_name): New function.
4695         (machopic_mcount_stub_name): Likewise.
4696         (machopic_classify_name): Remove.
4697         (machopic_function_base_sym): New function.
4698         (machpoic_classify_symbol): Likewise.
4699         (machopic_classify_ident): Remove.
4700         (machopic_define_ident): Likewise.
4701         (machopic_define_name): Likewise.
4702         (machopic_name_defined_p): Likewise.
4703         (machopic_ident_defined_p): Likewise.
4704         (darwin_strip_name_encoding): Likewise.
4705         (machopic_define_symbol): New function.
4706         * config/darwin.c (hashtab.h): Include.
4707         (machopic_defined_list): Remove.
4708         (machopic_classify_ident): Likewise.
4709         (machopic_classify_name): Likewise.
4710         (machopic_ident_defined_p): Likewise.
4711         (machopic_define_ident): Likewise.
4712         (machopic_define_name): Likewise.
4713         (machopic_symbol_defined_p): New function.
4714         (machopic_classify_symbol): Likewise.
4715         (machopic_data_defined_p): Use machopic_classify_symbol.
4716         (machopic_define_symbol): New function.
4717         (machopic_function_base_sym): New function.
4718         (machopic_non_lazy_pointers): Remove.
4719         (machopic_non_lazy_ptr_name): Likewise.
4720         (machopic_stubs): Likewise.
4721         (machopic_stub_name): Likewise.
4722         (NON_LAZY_POINTER_SUFFIX): New macro.
4723         (STUB_SUFFIX): Likewise.
4724         (machopic_indirection): New structure.
4725         (machopic_indirections): New variable.
4726         (machopic_indirection_hash): New function.
4727         (machopic_indirection_eq): Likewise.
4728         (machopic_indirection_name): Likewise.
4729         (machopic_mcount_stub_name): New function.
4730         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
4731         hash table.
4732         (machopic_indirect_data_reference): Rework to use new functions.
4733         (machopic_indirect_call_target): Likewise.
4734         (machopic_legitimize_pic_address): Likewise.
4735         (machopic_output_indirection): New function.
4736         (machopic_finish): Use it.
4737         (machopic_operand_p): Rework to use new functions.
4738         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
4739         (darwin_strip_name_encoding): Remove.
4740         (update_non_lazy_ptrs): Remove.
4741         (update_stubs): Likewise.
4742         (darwin_non_lazy_pcrel): Use new functions.
4743         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
4744         (ASM_OUTPUT_LABELREF): Likewise.
4745         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4746         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
4747         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
4748         (TARGET_STRIP_NAME_ENCODING): Do not use
4749         darwin_strip_name_encoding.
4750         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
4751         darwin_strip_name_encoding.
4752         * config/i386/darwin.h (FUNCTION_PROFILER): Use
4753         machopic_mcount_stub_name.
4754         * config/i386/i386.c (x86_output_mi_thunk): Use
4755         machopic_indirection_name, not machopic_stub_name.
4756         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
4757         machopic_function_base_sym.
4758         (print_operand): Use machopic_classify_symbol.
4759         (rs6000_emit_prologue): Use machopic_function_base_sym.
4760         (output_profile_hook): Do not use machopic_stub_name.
4761         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
4762
4763 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4764
4765         PR c/7284
4766         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
4767         as multiplication.
4768
4769 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4770
4771         * doc/implement-c.texi: New file.
4772         * doc/extend.texi (C Implementation): Move to there.
4773         * doc/gcc.texi: Include implement-c.texi.
4774         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
4775
4776 2004-07-22  Jason Merrill  <jason@redhat.com>
4777
4778         * integrate.c (copy_decl_for_inlining): Remove invisible reference
4779         handling.
4780         * tree-inline.c (setup_one_parameter): Likewise.
4781
4782 2004-07-22  Brian Booth  <bbooth@redhat.com>
4783
4784         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
4785         (substitute_and_fold): Propigate into VUSE operands when possible.
4786         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
4787         (cp_lattice_meet): Handle merging of latticevalues when
4788         UNKNOWN_VAL is present.
4789         (visit_stmt): Visit assignments with V_MUST_DEFs.
4790         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
4791         (ccp_fold): Deal with RHS' that are constant and virtual.
4792         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
4793         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
4794         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
4795         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
4796         computing immediate uses.
4797         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
4798         transition.
4799         (replace_vuse_in): New function.
4800         (likely_value): Add check of vuse operands.
4801         (get_default_value): Set the default value of virtually defined
4802         variables to UKNOWN_VAL instead of VARYING.
4803
4804 2004-07-22  Richard Henderson  <rth@redhat.com>
4805
4806         * expr.c (emit_push_insn): Don't use set_mem_attributes.
4807
4808 2004-07-22  Richard Henderson  <rth@redhat.com>
4809
4810         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
4811         variables due to conditional compilation.
4812
4813 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
4814
4815         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
4816         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
4817         Release SSA names that have been re-renamed.
4818         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
4819         variable.
4820         * tree-ssa-alias.c (init_alias_info): If aliases have been
4821         computed before, clear existing alias information.
4822         (create_name_tags): Do no fixup PT_ANYTHING pointers.
4823         If the new name tag for a pointer is different than the one it
4824         had before, mark the old tag for renaming.
4825         (replace_may_alias): New function.
4826         (group_aliases): Call it.
4827         (setup_pointers_and_addressables): Always call get_tmt_for.
4828         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
4829         once.
4830         (set_pt_anything): New local function.
4831         (set_pt_malloc): New local function.
4832         (merge_pointed_to_info): Don't merge pointed-to variables from
4833         the original pointer if the destination is pointing to an
4834         unknown location.
4835         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
4836         (add_pointed_to_var): Do not add a variable to the points-to
4837         set if the pointer is already pointing to anywhere.
4838         (collect_points_to_info_r): If the defining statement is a PHI
4839         node, only merge pointed-to information if the argument has
4840         already been visited.
4841         (get_tmt_for): Only create a new tag if the pointer didn't
4842         have one already.
4843         (dump_alias_info): Emit more information.
4844         (dump_points_to_info_for): Likewise.
4845         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
4846         try to get the annotation of an SSA_NAME.
4847         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
4848         alias sets when checking is enabled.
4849         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
4850         (eliminate): Mark basic blocks that will need
4851         EH information cleaned up.
4852         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
4853         predecessor.
4854         Initialize need_eh_cleanup.
4855         (fini_pre): Call tree_purge_all_dead_eh_edges and
4856         cleanup_tree_cfg if needed.
4857         Free need_eh_cleanup.
4858         * tree-ssa.c (verify_ssa_name): New function.
4859         (verify_def): Call it.
4860         Re-arrange to avoid printing too many error messages.
4861         (verify_use): Likewise.
4862         (verify_phi_args): Likewise.
4863         (verify_flow_insensitive_alias_info): New function.
4864         (verify_flow_sensitive_alias_info): New function.
4865         (verify_alias_info): New function.
4866         (verify_ssa): Call verify_alias_info.
4867         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
4868         program.
4869         Re-arrange to avoid printing too many error messages.
4870         * tree-ssanames.c (make_ssa_name): Clear
4871         SSA_NAME_IN_FREE_LIST.
4872         (release_ssa_name): Never release a default definition.
4873         (release_defs): New function.
4874         * tree.h: Declare it.
4875         * tree-ssa-dce.c (remove_dead_stmt): Call it.
4876
4877 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
4878
4879         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
4880         If true, do a depth-first search.  Do a breadht-first search,
4881         otherwise.
4882         (walk_use_def_chains): Add new argument IS_DFS.
4883         Update all users.
4884         * tree-flow.h (walk_use_def_chains): Update prototype.
4885
4886 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
4887
4888         * config/cris/cris.md: Tweak formatting.
4889         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
4890         (mover2side, moverside, movemside, movei, op3, andu): Replace
4891         live define_peephole:s with define_peephole2 near-equivalents.
4892         Delete the rest.
4893         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
4894         word-size modes.
4895         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
4896         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
4897         "*mov_sidesi_mem" respectively.
4898
4899 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
4900
4901         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
4902         (gimplify_build1): Move from tree-complex.c do_unop.
4903         (gimplify_build2): Move from tree-complex.c do_binop.
4904         (gimplify_build3): New.
4905         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
4906         Adjust throughout to call the functions above.
4907         * tree-flow.h: Declare the functions above.
4908         * tree-nested.c (gimplify_val): Rename to...
4909         (tsi_gimplify_val): ... this.
4910
4911         * Makefile.in (tree_complex.o): Update dependencies.
4912         (stor-layout.o): Depend on regs.h.
4913         * c-common.c (handle_vector_size_attribute): Update for
4914         vector types without corresponding vector modes.
4915         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
4916         a corresponding vector mode is not available.
4917         * print-tree.c (print_node): Print nunits for vector types
4918         * regclass.c (have_regs_of_mode): New.
4919         (init_reg_sets_1): Initialize it and use it instead
4920         of allocatable_regs_of_mode.
4921         * regs.h (have_regs_of_mode): Declare it.
4922         * stor-layout.c (layout_type): Pick a mode for vector types.
4923         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
4924         build_replicated_const, do_unop, do_binop, do_plus_minus,
4925         do_negate, expand_vector_piecewise, expand_vector_parallel,
4926         expand_vector_addition, expand_vector_operations_1,
4927         expand_vector_operations, tree_lower_operations,
4928         pass_lower_vector_ssa, pass_pre_expand): New.
4929         (expand_complex_operations, pass_lower_complex): Remove.
4930         * tree-optimize.c (init_tree_optimization_passes): Adjust
4931         pass ordering for changes in tree-complex.c.
4932         * tree-pass.h: Declare new passes.
4933         * tree.c (finish_vector_type): Remove.
4934         (make_vector_type): New.
4935         (build_vector_type_for_mode, build_vector_type): Rewritten.
4936         * tree.def (VECTOR_TYPE): Document where the number of
4937         subparts is stored.
4938         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
4939         (make_vector): Remove declaration.
4940
4941 2004-07-21  Richard Henderson  <rth@redhat.com>
4942
4943         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
4944         TREE_THIS_VOLATILE, may_aliases, or optimization level.
4945         (remove_useless_vars): Dump debugging info.
4946         (expand_used_vars): Move ...
4947         * cfgexpand.c (expand_used_vars): ... here.  Make static.
4948         * tree-flow-inline.h (set_is_used): New.
4949         (set_default_def): Use get_var_ann.
4950         * tree-flow.h: Update decls.
4951         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
4952         (create_ssa_var_map): Use it.
4953         * tree-ssa.c (set_is_used): Remove.
4954
4955 2004-07-22  Ben Elliston  <bje@au.ibm.com>
4956
4957         * gdbinit.in: Set a breakpoint on internal_error.
4958
4959 2004-07-21  Richard Henderson  <rth@redhat.com>
4960
4961         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
4962         to create a new basic block.
4963
4964 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4965
4966         PR c/15052
4967         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
4968         return type on function definitions.  Move other warnings for
4969         qualified return type to -Wreturn-type.  Do not condition any such
4970         warnings on -pedantic.  Update comments.
4971         (start_function): Only copy function type from previous prototype
4972         declaration if return types are compatible.
4973         * c-typeck.c (function_types_compatible_p): Don't condition
4974         warning for incompatibility of volatile qualifiers on the return
4975         type on -pedantic.  Update comment.
4976         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
4977
4978 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4979
4980         * c-typeck.c (set_init_index): Require designator to be of integer
4981         type.
4982
4983 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4984
4985         PR c/11250
4986         * c-parse.in (init): Change to exprtype.
4987         (primary): Set original_code for STRING to STRING_CST.
4988         Call maybe_warn_string_init for compound literals.
4989         (initdcl, notype_initdcl): Call maybe_warn_string_init.
4990         (initval): Update.
4991         * c-tree.h (maybe_warn_string_init): New.
4992         (pop_init_level, process_init_element): Use struct c_expr.
4993         (struct c_expr): Update comment.
4994         * c-typeck.c (maybe_warn_string_init): New function.
4995         (digest_init): Call it.  Additional parameter strict_string.  All
4996         callers changed.
4997         (output_init_element): Likewise.
4998         (struct constructor_stack): Use struct c_expr for
4999         replacement_value.
5000         (really_start_incremental_init, push_init_level): Update.
5001         (pop_init_level): Update.  Return struct c_expr.
5002         (process_init_level): Update.  Take struct c_expr argument.
5003
5004 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
5005
5006         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
5007         commit.
5008
5009 2004-07-21  Eric Christopher  <echristo@redhat.com>
5010
5011         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
5012         removal.
5013         * c-decl.c (pop_scope): Ditto.
5014         * calls.c (expand_call): Remove call to current_nesting_level,
5015         update comment accordingly. Remove calls to expand_start_target_temps
5016         and expand_end_target_temps.
5017         * cfgexpand.c (construct_init_block): Remove call to
5018         expand_start_bindings_and_block.
5019         (construct_exit_block): Remove call to expand_end_bindings.
5020         * expr.c (safe_from_p): Remove BIND_EXPR handling.
5021         (expand_expr_real_1): Ditto. Fix formatting.
5022         (expand_vars): Delete.
5023         * stmt.c (POPSTACK): Remove block_stack.
5024         (stmt_status): Remove x_block_stack.
5025         (block_stack): Delete.
5026         (expand_start_bindings_and_block): Ditto.
5027         (expand_start_target_temps): Ditto.
5028         (expand_end_target_temps): Ditto.
5029         (current_nesting_level): Ditto.
5030         (warn_about_unused_variables): Ditto.
5031         (expand_end_bindings): Ditto.
5032         * tree.h: Remove declarations for above.
5033
5034 2004-07-21  Steven Bosscher  <stevenb@suse.de>
5035
5036         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
5037         * rtl.c (note_insn_name): Likewise.
5038         * print-rtl.c (print_rtx): Don't print it.
5039         * cfgrtl.h (can_delete_note_p): Don't handle it.
5040         (rtl_delete_block): Likewise.
5041         * passes.c (rest_of_handle_guess_branch_prob): Remove.
5042         (rest_of_compilation): Don't call it.
5043         * predict.c (process_note_predictions, process_note_prediction,
5044         note_prediction_to_br_prob): Remove.
5045         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
5046         * stmt.c (return_prediction): Remove.
5047         (expand_value_return): Don't call it.  Don't add prediction
5048         notes for return statements.
5049
5050 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
5051
5052         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
5053         once.
5054
5055 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
5056
5057         * c-common.c (vector_types_convertible_p): Use vector types'
5058         TYPE_SIZE and TREE_TYPE instead of their mode.
5059         * convert.c (convert_to_integer): Likewise.
5060         (convert_to_vector): Likewise.
5061         * fold-const.c (fold_convert): Likewise.
5062         * varasm.c (output_constant): Likewise.
5063         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
5064         Allow a VECTOR_TYPE initializer to be made of several vectors.
5065         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
5066         of cleared and need_to_clear, and use fold_convert.
5067         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
5068         integer vectors.
5069
5070 2004-07-20  Richard Henderson  <rth@redhat.com>
5071
5072         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
5073         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
5074
5075 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
5076
5077         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
5078         enormous cost if not TARGET_HARD_MUL.
5079
5080 2004-07-20  Andrew Pinski  <apinski@apple.com>
5081
5082         PR target/16557
5083         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
5084         (ASM_SPEC): here.
5085
5086 2004-07-21  Paul brook  <paul@codesourcery.com>
5087
5088         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
5089
5090 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5091
5092         * fold-const.c (operand_equal_p): Temporarily support NULL args.
5093         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
5094         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
5095
5096 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
5097
5098         * rtl.h (plus_constant): Delete.
5099         (plus_constant_wide): Rename to plus_constant.
5100         (plus_constant_for_output_wide): Delete vestigial prototype.
5101         (GEN_INT): Remove unnecessary cast.
5102         * tree.h (build_int_2, size_int_type): Delete.
5103         (build_int_2_wide): Rename to build_int_2.
5104         (size_int_wide): Rename to size_int_kind.
5105         (size_int_type_wide): Rename to size_int_type.
5106         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
5107         Remove unnecessary cast.
5108         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
5109         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
5110         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
5111         (size_int_type_wide): Rename size_int_type.
5112         (int_const_binop): Use size_int_type.
5113         * c-lex.c (interpret_integer): Use build_int_2.
5114         * final.c (split_double): Remove unnecessary casts.
5115         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
5116
5117 2004-07-20  Richard Henderson  <rth@redhat.com>
5118
5119         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
5120         (gimplify_compound_lval): Use is_gimple_tmp_reg.
5121         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
5122         (is_gimple_tmp_reg): New.
5123         * tree-gimple.h (is_gimple_tmp_reg): Declare.
5124
5125 2004-07-20  Richard Henderson  <rth@redhat.com>
5126
5127         * tree-pretty-print.c (dump_generic_node): Dump
5128         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
5129
5130 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
5131
5132         * tree-mudflap.c (mf_set_options_fndecl): New tree.
5133         (mudflap_init): Set it.
5134         (mudflap_register_call): Remove __mf_init call.
5135         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
5136         to pass "-ignore-reads" option to libmudflap if needed.
5137
5138 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
5139
5140         PR c++/14607
5141         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
5142         (MAKE_DECL_ONE_ONLY): Undefine.
5143         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
5144         readonly_data, one_only_data_section, forget_section): New prototypes.
5145         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
5146         functions.
5147         (pa_select_section): Add one-only (COMDAT) support.
5148         * pa.h (struct machine_function): Define.
5149         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
5150         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
5151         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
5152         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
5153         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
5154         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
5155         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
5156         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
5157         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
5158         for EXTRA_SECTION_FUNCTIONS.
5159         * doc/install.texi: Update binutils requirements.
5160
5161 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
5162
5163         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
5164         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
5165         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
5166         size_t.
5167         (struct VEC): Use unsigned for num and alloc.
5168         * vec.c (struct vec_prefix): Likewise.
5169         (vec_o_reserve): Adjust.
5170
5171         * dbxout.c (dbxout_type): Fix printf format.
5172
5173         * tree.h (binfo_member): Remove.
5174         * tree.c (binfo_member): Remove.
5175
5176 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
5177
5178         * tree.h: Include vec.h
5179         (DEF_VEC_P(tree)): New type.
5180         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
5181         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
5182         (BINFO_LANG_SLOT): Remove.
5183         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
5184         (struct tree_binfo): Turn base_binfos into a trailing
5185         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
5186         (binfo_lang_slots): Remove.
5187         * tree.c (binfo_lang_slots): Remove.
5188         (make_tree_binfo_stat): Take a base binfo count, not a
5189         lang slot count.  Adjust.
5190         * Makefile.in (TREE_H): Add vec.h
5191         * alias.c (record_component_aliases): Adjust BINFO access.
5192         * dbxout.c (dbxout_type): Likewise.
5193         * dwarf2out.c (gen_member_die): Likewise.
5194         * sdbout.c (sdbout_one_type): Likewise.
5195         * tree-dump.c (deque_and_dump): Likewise.
5196         * config/i386/i386.c (classify_argument,
5197         contains_128bit_aligned_vector_p): Likewise.
5198         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
5199         * doc/c-tree.texi (Classes): Update BINFO documentation.
5200
5201 2004-07-20  Steven Bosscher  <stevenb@suse.de>
5202
5203         * c-common.h (check_case_value): Remove prototype.
5204         (c_add_case_label): Adjust prototype.
5205         * c-common.c (check_case_value): Make static.
5206         (check_case_bounds): New function.
5207         (c_add_case_label): Use it.  Take new argument orig_type.
5208         * c-typeck.c (struct c_switch): New orig_type field.
5209         (c_start_case): Set it.
5210         (do_case): Pass it to c_add_case_label.
5211         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
5212         cases from here.  Add the labels in reverse order.
5213         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
5214         (add_case_node): Return nothing, don't check for duplicate cases.
5215         Insert new case nodes in a list, not in an AVL tree.
5216         (expand_end_case_type): Don't turn a case tree into a case list.
5217         (case_tree2list): Remove.
5218         * tree.h (add_case_node): Adjust prototype.
5219
5220 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
5221
5222         * genattr.c (struct range, struct function_unit,
5223         write_units, extend_range, init_range): Remove them.
5224         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
5225         Output "#define INSN_SCHEDULING" here.
5226         * genattrtab.c (struct range, struct function_unit_op,
5227         struct function_unit, struct dimension, enum operator,
5228         operate_exp, expand_units, simplify_knowing,
5229         encode_units_mask, simplify_by_exploding,
5230         find_and_mark_used_attributes, unmark_used_attributes,
5231         add_values_to_cover, increment_current_value,
5232         test_for_current_value, simplify_with_current_value,
5233         simplify_with_current_value_aux, gen_unit,
5234         write_unit_name, write_function_unit_info,
5235         write_complex_function, write_toplevel_expr,
5236         find_single_value, extend_range): Remove.
5237         (write_attr_get): Do not handle common_av->value
5238         being an FFS.
5239         (struct attr_desc): Remove func_units_p and blockage_p.
5240         (write_attr_valueq): Do not handle them.
5241         (find_attr): Do not clear them.
5242         (make_internal_attr): Do not initialize them.
5243         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
5244         * sched-vis.c (init_target_units, insn_print_units,
5245         init_block_visualization, print_block_visualization,
5246         visualize_scheduled_insns, visualize_no_unit,
5247         visualize_stall_cycles, visualize_alloc,
5248         visualize_free, target_units, get_visual_tbl_length,
5249         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
5250         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
5251         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
5252         * haifa-sched.c (blockage_range, clear_units,
5253         schedule_unit, actual_hazard, potential_hazard,
5254         insn_unit, unit_last_insn, unit_tick,
5255         actual_hazard_this_instance, potential_hazard,
5256         schedule_unit, max_insn_queue_index_value): Remove.
5257         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
5258         max_insn_queue_index.
5259         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
5260         * doc/md.texi (Processor pipeline description): Remove
5261         references to old pipeline descriptions.
5262         (Automaton pipeline description): Merge with the above.
5263         (Old pipeline description, Comparison of the two descriptions):
5264         Remove.
5265
5266         * bt-load.c (migrate_btr_def): Remove references to
5267         use_pipeline_interface.
5268         * haifa-sched.c (insn_cost, schedule_insn,
5269         schedule_block, advance_one_cycle, sched_init,
5270         queue_to_ready, sched_finish): Likewise.
5271         * modulo-sched.c (sms_schedule, advance_one_cycle,
5272         ps_has_conflicts): Likewise.
5273         * sched-rgn.c (init_ready): Likewise.
5274         (debug_dependencies): Likewise, and remove an "if (1)".
5275         * target.h (use_dfa_pipeline_interface): Remove.
5276         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5277         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5278         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5279         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5280         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5281         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5282         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5283         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5284         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5285         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5286         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5287         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5288         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5289         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5290         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5291         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5292         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5293         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5294         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5295
5296 2004-07-19  Roger Sayle  <roger@eyesopen.com>
5297
5298         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
5299
5300 2004-07-19  Jeff Law  <law@redhat.com>
5301
5302         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
5303         (get_eq_expr_value): Use it.  Simplify slightly.
5304
5305 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
5306
5307         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
5308         (umulsidi3_32bit_r4000): Likewise.
5309
5310 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
5311
5312         * vec.h: Propagate location information properly.
5313         (VEC_T_iterate): Add result pointer parameter.
5314         (VEC_T_space): New.
5315         (VEC_T_reserve): Use it.
5316
5317 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
5318
5319         * Makefile.in (c-format.o): Depend on c-format.h.
5320         * c-format.h: New file.
5321         (struct format_char_info): Add CHAIN member.
5322         * c-format.c: Move some types and constants to c-format.h.
5323         (format_type_error): Set to -1.
5324         (struct function_format_info): Use an int for format_type.
5325         (decode_format_type): Return an int.  Return format_type_error
5326         on error.
5327         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
5328         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
5329         (scan_char_table, time_char_table, monetary_char_table): Initialize
5330         CHAIN to NULL.
5331         (n_format_types): New variable.
5332         (check_format_info_main): Handle CHAIN in format_char_info.
5333         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
5334         TARGET_N_FORMAT_TYPES.
5335         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5336         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
5337         * config/sol2-c.c: New file.
5338         * config/t-sol2: New file.
5339         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
5340         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
5341         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
5342
5343         * doc/extend.texi (Target Format Checks): New section.
5344         (Function Attributes): Mention it.
5345         * doc/invoke.texi: Mention target format checks.
5346         * doc/sourcebuild.texi: Mention target format checks.
5347         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
5348         TARGET_FORMAT_TYPES.
5349
5350 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5351
5352         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
5353         added.
5354         * config/s390/s390.c (regclass_map initializer): Register 35 added to
5355         ADDR_REGS.
5356         (load_multiple_operation, store_multiple_operation): Removed
5357         pointless sanity check.
5358         (s390_decompose_address): Added check for return_address_pointer_rtx.
5359         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
5360         (s390_return_address_offset): New function.
5361         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
5362         (FRAME_REGNO_P): Added check for register 35.
5363         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
5364         REG_ALLOC_ORDER): Appended entry for register 35.
5365         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
5366         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
5367         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
5368         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
5369         is eliminable using stack pointer or hard frame pointer.
5370         (REGISTER_NAMES): Added name for register 35.
5371         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
5372         pointless sanity check.
5373
5374 2004-07-19  Roger Sayle  <roger@eyesopen.com>
5375
5376         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
5377         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
5378         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
5379         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
5380         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
5381         (fold_relational_const): Tidy up handling of floating point
5382         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
5383         transformation; fold_relational_const assumes constant operands.
5384
5385 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
5386
5387         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
5388         directory.
5389
5390 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
5391
5392         * c-tree.h (struct c_expr): Define.
5393         (C_SET_EXP_ORIGINAL_CODE): Remove.
5394         (parser_build_binary_op, build_compound_expr): Update prototypes.
5395         * c-parse.in (%union): Add exprtype.
5396         (FUNC_NAME): Mark as ttype.
5397         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
5398         exprtype.
5399         (expr): Update.  Define directly in terms of expr_no_commas
5400         instead of using nonnull_exprlist.
5401         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
5402         offsetof_member_designator, typespec_nonreserved_nonattr, init,
5403         initval, designator, component_declarator,
5404         component_notype_declarator, enumerator, array_declarator,
5405         condition, exexpr, switch_statement, stmt_nocomp, stmt,
5406         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
5407         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
5408         where appropriate.
5409         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
5410         * c-common.c (c_common_truthvalue_conversion): Don't check
5411         C_EXP_ORIGINAL_CODE.
5412         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
5413         Don't use C_EXP_ORIGINAL_CODE.
5414         (default_conversion, default_function_array_conversion): Don't use
5415         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
5416         (internal_build_compound_expr): Merge into build_compound_expr.
5417         (build_compound_expr): Take two operands instead of a TREE_LIST.
5418         * objc/objc-act.c (get_super_receiver): Update calls to
5419         build_compound_expr.
5420
5421 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
5422
5423         * config/sh/sh.c (sh_use_dfa_interface): Remove.
5424         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
5425         hook_int_void_1.
5426         * config/sh/sh.md: Extract pipeline descriptions
5427         into separate files.
5428         * config/sh/sh1.md: New file, extracted from sh.md.
5429         * config/sh/sh4.md: New file, extracted from sh.md.
5430         * config/sh/shmedia.md: New file, extracted from sh.md
5431         and rewritten using new-style pipeline description.
5432
5433 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
5434
5435         * config/pa/pa.md: Delete the two remaining define_peephole
5436         patterns.
5437
5438 2004-07-18  Steven Bosscher  <stevenb@suse.de>
5439             Joseph S. Myers  <jsm@polyomino.org.uk>
5440
5441         * c-common.c (c_common_truthvalue_conversion): Don't warn if
5442         TREE_NO_WARNING is set.
5443
5444 2004-07-18  Roger Sayle  <roger@eyesopen.com>
5445
5446         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
5447         simplify_builtin_strncmp): Delete.
5448         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
5449         Change argument to accept an arglist instead of an "exp".  Assume
5450         that the return type is always integer_type_node.  Copy missing
5451         transformations from their now obsolete simplify_builtin_*
5452         equivalents.
5453         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
5454         fold_builtin_strcmp and fold_builtin_strncmp.
5455         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
5456         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
5457         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
5458
5459 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
5460
5461         * Makefile.in (tree-alias-common.o): Update dependencies.
5462
5463 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
5464
5465         * cfgloop.c (flow_loop_nested_p): Fix comment.
5466
5467 2004-07-17  Jason Merrill  <jason@redhat.com>
5468
5469         PR c++/16115
5470         * stor-layout.c (relayout_decl): New fn.
5471         * tree.h: Declare it.
5472         (DECL_BY_REFERENCE): New macro.
5473
5474 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
5475
5476         * libgcc2.c (__enable_execute_stack): New symbol.
5477         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
5478         and declare __enable_execute_stack.
5479         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
5480         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
5481         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5482         ENABLE_EXECUTE_STACK.
5483         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
5484         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5485         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5486         ENABLE_EXECUTE_STACK.
5487         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5488         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
5489         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5490         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5491         ENABLE_EXECUTE_STACK.
5492         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5493         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5494         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5495         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5496         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
5497         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5498         (sparc64_initialize_trampoline): Likewise.
5499         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
5500
5501 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5502
5503         * langhooks.h (builtin_function): New langhook.
5504         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
5505         (LANG_HOOKS_INITIALIZER): Update.
5506         * tree.h (builtin_function): Remove.
5507         * doc/tm.texi: Update.
5508         * c-tree.h (builtin_function): Declare.
5509         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
5510         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
5511         config/ia64/ia64.c, config/iq2000/iq2000.c,
5512         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
5513         config/stormy16/stormy16.c: All callers of builtin_function
5514         changed.
5515
5516 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
5517
5518         PR target/16556
5519         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
5520         Remove white space after the backslash.
5521
5522 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5523
5524         PR rtl-optimization/16294
5525         * resource.c (return_insn_p): New predicate.
5526         (mark_target_live_regs): Use it.  Special-case return insns.
5527         (init_resource_info): Use it.  Don't scan the epilogue past
5528         a return.
5529
5530 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5531
5532         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
5533         destroy dominance information.
5534         * passes.c (rest_of_handle_loop2):  Free dominance information.
5535         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
5536         jump threading.
5537         (thread_jumps): Update dominance information and remove unreachable
5538         blocks.
5539         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
5540         information and remove the unreachable block.
5541
5542 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
5543
5544         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
5545
5546 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
5547
5548         * doc/sourcebuild.texi: Remove libf2c entry.
5549
5550 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
5551
5552         * config/i386/i386.md (movv16qi_internal): Fix typo.
5553
5554 2004-07-17  Steven Bosscher  <stevenb@suse.de>
5555
5556         * final.c (final_scan_insn): Fix broken commit from previous
5557         patch.
5558
5559 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5560
5561         * c-typeck.c (parser_build_binary_op): Condition warnings for
5562         X<=Y<=Z on -Wparentheses instead of -Wextra.
5563         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
5564         supported for C only.
5565
5566 2004-07-17  Steven Bosscher  <stevenb@suse.de>
5567
5568         * cfgcleanup.c (try_simplify_condjump): Don't remove line
5569         notes to avoid unreachable code warnings.
5570         * toplev.c (backend_init): Don't emit line notes for
5571         unreachable code warnings.
5572
5573         * combine.c (distribute_notes): Don't distribute a
5574         REG_VTABLE_REF note.
5575         * final.c (final_scan_insn): Don't handle it.
5576         * rtl.c (reg_note_name): Remove it.
5577         * rtl.h (enum reg_node): Dito.
5578
5579         * emit-rtl.c (force_line_numbers, restore_line_number_status):
5580         Remove.
5581         * rtl.h (force_line_numbers, restore_line_number_status):
5582         Remove prototypes.
5583
5584         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
5585         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
5586         (using_eh_for_cleanups): Also moved here.
5587
5588         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
5589         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
5590         to expand_start_case and add_case_node.
5591         * stmt.c (struct nesting): Cleanup unused fields condition_code,
5592         last_unconditional_cleanup, nominal_type, printname, and
5593         line_number_status.
5594         (struct fixup_goto): Remove.
5595         (struct stmt_status): Remove x_goto_fixup_chain field.
5596         (goto_fixup_chain): Remove.
5597         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
5598         pushcase, pushcase_range): Remove.
5599         (expand_start_bindings_and_block): Don't set unused fields in
5600         the nesting stack.
5601         (expand_start_case, add_case_node): Cleanup unused formal arguments.
5602         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
5603         instead of emit_jump_if_reachable.
5604         (emit_case_nodes): Likewise.
5605         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
5606         static.
5607         (update_eh_label): Work around left-over exception handing regions.
5608         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
5609         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
5610         (pass_cleanup_cfg_post_optimizing): New pass.
5611         (init_tree_optimization_passes): Run the new pass after all
5612         optimizations.
5613         * tree.h (pushcase, pushcase_range): Remove prototypes.
5614         (expand_start_case, add_case_node): Update prototypes.
5615
5616 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
5617
5618         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
5619
5620 2004-07-16  Richard Henderson  <rth@redhat.com>
5621
5622         * builtins.c (std_expand_builtin_va_arg): Remove.
5623         (expand_builtin_va_arg): Remove.
5624         * expr.h: Don't declare them.
5625         * gimplify.c (mark_decls_volatile_r): Remove.
5626         (copy_if_shared_r): Don't call it.
5627         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
5628         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
5629         * gimple-low.c (lower_stmt): Likewise.
5630         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
5631         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
5632         * tree-ssa-operands.c (get_expr_operands): Likewise.
5633         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
5634         EXPAND_BUILTIN_VA_ARG.
5635         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
5636         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
5637         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
5638         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
5639
5640 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
5641
5642         * tree-ssa-pre.c (insert_aux): Break out if we hit
5643         a critical edge.
5644
5645 2004-07-16  Richard Henderson  <rth@redhat.com>
5646
5647         * basic-block.h (remove_fake_exit_edges): Declare.
5648         * cfganal.c (remove_fake_predecessors): Rename from
5649         remove_fake_successors; iterate over predecessors.
5650         (remove_fake_exit_edges): New.
5651         * cfgcleanup.c (try_optimize_cfg): Use it.
5652         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
5653         * predict.c (estimate_probability): Likewise.
5654         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
5655         * tree-cfg.c (make_edges): Likewise.
5656         * tree-ssa-pre.c (fini_pre): Likewise.
5657         * profile.c (instrument_edges): Don't remove_fake_edges.
5658         (branch_prob): Do it earlier here.
5659
5660 2004-07-16  Richard Henderson  <rth@redhat.com>
5661
5662         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
5663         switchification wrt CONSTRUCTOR.  Document the reason.
5664
5665 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
5666
5667         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
5668         that prevented descriptive __mf_check source location strings.
5669
5670 2004-07-16  Richard Henderson  <rth@redhat.com>
5671
5672         * tree-def (WITH_SIZE_EXPR): New.
5673         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
5674         * expr.c (expand_expr_real_1): Likewise.
5675         * gimplify.c (maybe_with_size_expr): New.
5676         (gimplify_arg, gimplify_modify_expr): Use it.
5677         (gimplify_modify_expr_to_memcpy): Take size parameter.
5678         (gimplify_modify_expr_to_memset): Likewise.
5679         (gimplify_expr): Handle WITH_SIZE_EXPR.
5680         * tree-alias-common.c (find_func_aliases): Likewise.
5681         * tree-eh.c (tree_could_trap_p): Likewise.
5682         (tree_could_throw_p): Likewise.
5683         * tree-gimple.c (is_gimple_lvalue): Likewise.
5684         (get_call_expr_in): Likewise.
5685         * tree-inline.c (estimate_num_insns_1): Likewise.
5686         (expand_calls_inline): Likewise.
5687         * tree-nested.c (convert_call_expr): Likewise.
5688         * tree-pretty-print.c (dump_generic_node): Likewise.
5689         * tree-sra.c (sra_walk_expr): Likewise.
5690         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
5691         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
5692         * tree-ssa-operands.c (get_expr_operands): Likewise.
5693         * tree-tailcall.c (find_tail_calls): Likewise.
5694
5695         * calls.c (expand_call): Reset old_stack_allocated after
5696         calling emit_stack_restore.
5697
5698 2004-07-16  Richard Henderson  <rth@redhat.com>
5699
5700         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
5701         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
5702         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
5703         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
5704         copy_res_decl_for_inlining.
5705
5706         * tree-inline.c (declare_return_variable): New modify_dest argument.
5707         Use it as the return value, when possible or manditory.  Handle
5708         TREE_ADDRESSABLE types.
5709         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
5710         replacement of CALL_EXPR.
5711
5712 2004-07-16  Richard Henderson  <rth@redhat.com>
5713
5714         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
5715         * gimple-low.c (expand_var_p): Don't check it.
5716         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
5717         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
5718         * tree-ssa-operands.c (add_stmt_operand): Likewise.
5719         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
5720         (find_referenced_vars): Don't call them.
5721         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
5722
5723 2004-07-16  Richard Henderson  <rth@redhat.com>
5724
5725         * function.c (pass_by_reference): True for all variable sized types.
5726
5727 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
5728
5729         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
5730         * tree-pretty-print.c: Include tree-chrec.h.
5731         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
5732         and POLYNOMIAL_CHREC nodes.
5733
5734 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
5735
5736         * builtins.c (expand_builtin_stpcpy): Do not create temporary
5737         reg with VOIDmode.
5738
5739 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
5740
5741         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
5742
5743 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5744
5745         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
5746         to BASE_REGNUM.
5747         * config/s390/s390.c: Likewise.
5748         * config/s390/s390.h: Likewise.
5749
5750 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5751
5752         * config/mips/mips.md (addsi3, adddi3): Remove special handling
5753         of $sp adds.  Remove REGNO checks from mips16 patterns.
5754
5755 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5756
5757         * config/mips/mips.md: Delete outdated comment.
5758
5759 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5760
5761         * config/mips/mips.c (get_float_compare_codes): Delete.
5762         (mips_emit_compare): New function, mostly extracted from
5763         get_float_compare_codes and gen_conditional_branch.
5764         (gen_conditional_branch, gen_conditional_move): Use it.
5765
5766 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
5767
5768         * genautomata.c (add_vect): Speedup by using integers as
5769         bit-vectors for walking through the comb_vect and finding
5770         a match.
5771
5772 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5773
5774         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
5775         operand is an uns_arith_operand; use subtraction otherwise.
5776         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
5777         not just arith_operands.
5778
5779 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5780
5781         * config/mips/mips-protos.h (gen_int_relational): Delete.
5782         (mips_emit_scc): Declare.
5783         * config/mips/mips.c (internal_test): Delete.
5784         (sle_operand, sleu_operand): New functions.
5785         (map_test_to_internal_test, gen_int_relational): Delete.
5786         (mips_emit_binary, mips_relational_operand_ok_p)
5787         (mips_emit_int_relational, mips_zero_if_equal)
5788         (mips_emit_scc): New functions.
5789         (gen_conditional_branch): Rework to use mips_emit_int_relational.
5790         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
5791         sleu_operand.
5792         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5793         (sltu, sleu): Use mips_emit_scc.
5794         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
5795         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
5796         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
5797
5798 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5799
5800         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
5801
5802 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5803
5804         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
5805         (*sne_[sd]i): Likewise sne_[sd]i_zero.
5806         (*sgt_[sd]i): ...and sgt_[sd]i.
5807         (*slt_[sd]i): ...and slt_[sd]i.
5808         (*sgtu_[sd]i): ...and sgtu_[sd]i.
5809         (*sltu_[sd]i): ...and sltu_[sd]i.
5810         (*sleu_[sd]i): ...and sleu_[sd]i_const.
5811         Name previously unnamed mips16 patterns.  Formatting fixes.
5812
5813 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5814
5815         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
5816         (branch_type): Delete.
5817         (gen_conditional_branch, gen_conditional_move)
5818         (mips_gen_conditional_trap): Update after name change.  Get the
5819         comparison mode from cmp_operands[0].
5820         * config/mips/mips.h (cmp_type, branch_type): Delete.
5821         (cmp_operands): Renamed from branch_cmp.
5822         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
5823         name change.  Don't set branch_type.
5824         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
5825         mode class of cmp_operands[0] rather than branch_type.  Update after
5826         name change.
5827
5828 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5829
5830         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
5831         of 0...255 to 0 when inside a SET.
5832
5833 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
5834
5835         * config/mips/mips.md: Remove mips16 define_peepholes.
5836
5837 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
5838
5839         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
5840         (fini_pre): Remove fake edges.
5841
5842 2004-07-15  Richard Henderson  <rth@redhat.com>
5843
5844         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
5845         (get_indirect_ref_operands, get_call_expr_operands): ... these.
5846
5847 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
5848
5849         * vec.h (VEC_address): New function.
5850
5851 2004-07-14  Jason Merrill  <jason@redhat.com>
5852
5853         PR middle-end/15885
5854         * gimplify.c (gimplify_arg): New fn, split out from...
5855         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
5856
5857 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
5858
5859         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
5860         generate code which is generated by pushqi1 now
5861         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
5862
5863 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
5864
5865         * combine.c (simplify_set): match the mode of the constant 0 with
5866         the tested operand to match the compare behaviour and the
5867         simplify_relational_operation() expectation.
5868
5869 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5870
5871         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
5872         ("bordered"): Same.
5873
5874 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
5875
5876         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
5877         unconditionally.
5878         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
5879
5880 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5881
5882         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
5883         calls in mips16 code.
5884
5885 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
5886
5887         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
5888         the destination of the li as well as for the neg.
5889
5890 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
5891
5892         g++/15861
5893         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
5894         * cgraph.h: Update declaration.
5895         * c-decl.c (build_cdtor): Update call with default priority.
5896         * coverage.c (create_coverage): Ditto.
5897         * tree-mudflap.c (mf_init_fndecl): New tree.
5898         (mudflap_init): Set it.
5899         (mudflap_register_call): Arrange to call __mf_init before the first
5900         __mf_register call.
5901         (mudflap_finish_file): Mark the mudflap static initializer as extra
5902         high priority, to beat all C++ static constructors.
5903
5904 2004-07-15  Jeff Law  <law@redhat.com>
5905
5906         * loop.c (check_insn_for_givs): Restore check for code labels that was
5907         accidentally deleted by a recent checkin.
5908
5909 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
5910
5911         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
5912         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
5913
5914 2004-07-14  Richard Henderson  <rth@redhat.com>
5915
5916         * print-tree.c (print_node): Fix casts last change.
5917
5918 2004-07-15  Paul Brook  <paul@codesourcery.com>
5919
5920         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
5921         to TARGET_UNWIND_INFO.
5922         * except.c (output_function_exception_table): Ditto.
5923         * except.h: Ditto.
5924         * opts.c (decode_options): Ditto.
5925         * passes.c (rest_of_handle_final): Ditto.
5926         * final.c (final_start_function): Ditto.
5927         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
5928         target hook.
5929         * targhooks.h (default_unwind_emit): Declare.
5930         * targhooks.c (default_unwind_emit): New function.
5931         * target-def.h: Define and use TARGET_UNWIND_EMIT.
5932         * target.h (struct gcc_target): Add unwind_emit.
5933         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
5934         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
5935         Remove IA64_UNWIND_EMIT.
5936         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
5937
5938 2004-07-14  Richard Henderson  <rth@redhat.com>
5939
5940         * print-tree.c (print_node): Handle SSA_NAME.
5941
5942 2004-07-14  James E Wilson  <wilson@specifixinc.com>
5943
5944         PR target/16325
5945         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
5946         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
5947
5948 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
5949
5950         * expr.c (expand_assignment): Reenable bitfield += optimizations.
5951         Use alias set 0 for memory, do proper mode calculations and adjust
5952         address for memories.
5953
5954 2004-07-14  Per Bothner  <per@bothner.com>
5955
5956         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
5957         structure with extra column field.
5958         * tree.c (expand_location):  Also fill in column field.
5959         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
5960         gets confused by the two conditionally-compiled definitions.
5961
5962 2004-07-14  Eric Christopher  <echristo@redhat.com>
5963
5964         * calls.c (expand_call): Fix typo in comment.
5965
5966 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
5967
5968         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
5969         comparision of TFmode.
5970
5971 2004-07-14  Richard Henderson  <rth@redhat.com>
5972
5973         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
5974         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
5975         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
5976         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5977         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5978         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5979         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5980         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5981         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5982
5983 2004-07-14  Mike Stump  <mrs@apple.com>
5984
5985         * config/darwin.h (WINT_TYPE): Define to be int to match
5986         system header files.
5987
5988 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
5989
5990         * config/xtensa/xtensa.c (function_arg_advance): Check for args
5991         that must be passed in the stack.
5992         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
5993         arguments if the size is not a constant.
5994
5995 2004-07-14  Per Bothner  <per@bothner.com>
5996
5997         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
5998         instead of EXPR_LOCUS in a boolean context, which is always true
5999         if --enable-mapped-location.
6000         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
6001
6002 2004-07-14  Richard Henderson  <rth@redhat.com>
6003
6004         * dominance.c (struct dom_info): Add fake_exit_edge.
6005         (init_dom_info): Allocate it.
6006         (free_dom_info): Free it.
6007         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
6008         in two passes.
6009         (calc_idoms): Honor fake_exit_edge.
6010
6011 2004-07-13  Jason Merrill  <jason@redhat.com>
6012
6013         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
6014         (rhs_test_for): New fn.
6015         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
6016         * tree-gimple.h: Declare them.
6017         * gimplify.c (gimplify_modify_expr): Use the new fns.
6018
6019 2004-07-14  Richard Henderson  <rth@redhat.com>
6020
6021         * config/arm/arm-protos.h (arm_va_arg): Remove.
6022         * config/arm/arm.c (arm_va_arg): Remove.
6023         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
6024         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
6025
6026 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6027
6028         * pa.c (fix_range): New function to mark a range(s) of registers as
6029         fixed registers.
6030         (override_options): Call fix_range if the -mfixed-range option string
6031         is not empty.
6032         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
6033         * doc/invoke.texi (-mfixed-range): Document new option.
6034
6035 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
6036
6037         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
6038         for TARGET_64BIT.
6039         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
6040
6041 2004-07-14  Roger Sayle  <roger@eyesopen.com>
6042
6043         * expmed.c (expand_sdiv_pow2): New function to expand signed division
6044         by a positive power of two, split out from expand_divmod.  Provide
6045         an alternate implementation when shifts are expensive.  Lower the
6046         threshold for using a branchless implementation to BRANCH_COST >= 2.
6047         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
6048
6049 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6050
6051         * tree-dfa.c (make_rename_temp): *Really* work just
6052         like create_tmp_var if called while outside SSA form.
6053
6054 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6055
6056         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
6057         for division by zero.
6058         ("umodsi3"): Likewise.
6059
6060 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
6061
6062         * config/mips/mips.c (mips_output_move): When generating mips16 code,
6063         force loads of negative constants to be split.
6064         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
6065         Generalize SImode li/neg splitter to cope with other modes.
6066
6067 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6068
6069         * expmed.c: Remove more references to QUEUED in the comments.
6070         * expr.c: Likewise.
6071
6072 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
6073
6074         Revert:
6075         2004-07-13  Richard Henderson  <rth@redhat.com>
6076         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
6077         correctly.
6078
6079 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6080
6081         * tree-dfa.c (make_rename_temp): Work just like
6082         create_tmp_var if called while outside SSA form.
6083
6084 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6085
6086         * expr.c (enqueue_insn, finish_expr_for_function,
6087         protect_from_queue, queued_subexp_p, mark_queue,
6088         emit_insns_enqueued_after_mark, emit_queue,
6089         expand_increment): Remove.
6090         (store_constructor): Expand increment as an assignment.
6091         (expand_expr_real_1 <case PREINCREMENT_EXPR,
6092         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
6093         case POSTDECREMENT_EXPR>): Abort.
6094         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
6095         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
6096         protect_from_queue, emit_queue, queued_subexp_p): Remove.
6097         * function.h (pending_chain, x_pending_chain): Remove.
6098         * rtl.def (QUEUED): Remove.
6099
6100         * emit-rtl.c (copy_insn_1, copy_most_rtx,
6101         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
6102         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
6103         encode_units_mask): Likewise.
6104         * local-alloc.c (equiv_init_varies_p): Likewise.
6105         * rtl.c (copy_rtx): Likewise.
6106         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
6107         * simplify-rtx.c (simplify_gen_subreg): Likewise.
6108         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
6109
6110         * builtins.c (expand_builtin, expand_builtin_apply,
6111         expand_builtin_mathfn, expand_builtin_mathfn_2,
6112         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
6113         Remove calls to emit_queue and protect_from_queue.
6114         * calls.c (expand_call, precompute_arguments,
6115         precompute_register_parameters, rtx_for_function_call,
6116         store_one_arg): Likewise.
6117         * dojump.c (do_compare_and_jump, do_jump): Likewise.
6118         * explow.c (memory_address): Likewise.
6119         * expmed.c (clear_by_pieces_1, clear_storage,
6120         clear_storage_via_libcall, emit_group_load,
6121         emit_group_store, emit_store_flag,
6122         expand_expr_real_1, store_by_pieces,
6123         store_constructor, store_expr, try_casesi,
6124         try_tablejump): Likewise.
6125         * function.c (expand_pending_sizes): Likewise.
6126         * optabs.c (emit_cmp_and_jump_insns,
6127         emit_conditional_add, emit_conditional_move,
6128         expand_fix, expand_float, prepare_cmp_insn): Likewise.
6129         * stmt.c (emit_case_bit_tests,
6130         expand_asm_expr, expand_computed_goto,
6131         expand_decl_init, expand_end_case_type,
6132         expand_end_stmt_expr, expand_expr_stmt_value,
6133         expand_return, expand_start_case,
6134         optimize_tail_recursion): Likewise.
6135         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6136         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
6137
6138 2004-07-14  Ben Elliston  <bje@au.ibm.com>
6139
6140         * vec.h: Comment fix.
6141
6142 2004-07-13  Richard Henderson  <rth@redhat.com>
6143
6144         * target.h (struct gcc_target): Add calls.pass_by_reference.
6145         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
6146         * function.c (pass_by_reference): Use the hook.
6147         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
6148         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
6149         (hook_pass_by_reference_must_pass_in_stack): New.
6150         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
6151         (alpha_pass_by_reference): New.
6152         (TARGET_PASS_BY_REFERENCE): New.
6153         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6154         * config/arc/arc.c (arc_pass_by_reference): New.
6155         (TARGET_PASS_BY_REFERENCE): New.
6156         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6157         (FUNCTION_ARG_CALLEE_COPIES): True.
6158         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
6159         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
6160         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
6161         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6162         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6163         * config/cris/cris.c (cris_pass_by_reference): New.
6164         (TARGET_PASS_BY_REFERENCE): New.
6165         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
6166         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
6167         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6168         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
6169         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6170         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
6171         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
6172         (frv_function_arg_pass_by_reference): Remove.
6173         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6174         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
6175         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
6176         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
6177         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6178         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
6179         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
6180         (ia64_pass_by_reference): Rename from
6181         ia64_function_arg_pass_by_reference.
6182         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6183         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6184         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
6185         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
6186         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
6187         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6188         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6189         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
6190         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
6191         (m32r_pass_by_reference): Adjust prototype.  Make static.
6192         Handle mode sizes correctly.
6193         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6194         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
6195         (m68hc11_function_arg_pass_by_reference): Remove.
6196         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6197         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6198         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
6199         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6200         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
6201         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
6202         (mips_va_arg): Use pass_by_reference.
6203         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
6204         Handle mode sizes correctly.
6205         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6206         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6207         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
6208         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
6209         (mmix_pass_by_reference): Rename from
6210         mmix_function_arg_pass_by_reference.
6211         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6212         (FUNCTION_ARG_CALLEE_COPIES): True.
6213         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
6214         (mn10300_pass_by_reference): New.
6215         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6216         (FUNCTION_ARG_CALLEE_COPIES): True.
6217         * config/pa/pa.c (pa_pass_by_reference): New.
6218         (TARGET_PASS_BY_REFERENCE): New.
6219         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6220         (FUNCTION_ARG_CALLEE_COPIES): True.
6221         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
6222         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
6223         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
6224         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6225         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
6226         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
6227         (s390_pass_by_reference): Rename from
6228         s390_function_arg_pass_by_reference.
6229         (s390_function_arg_advance): Don't query pass-by-ref.
6230         (s390_function_arg): Likewise.
6231         (s390_gimplify_va_arg): Use pass_by_reference.
6232         (s390_call_saved_register_used): Likewise.
6233         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6234         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
6235         (shcompact_byref, sh_pass_by_reference): New.
6236         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6237         (SHCOMPACT_BYREF): Remove.
6238         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
6239         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
6240         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
6241         (sparc_gimplify_va_arg): Use pass_by_reference.
6242         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6243         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6244         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
6245         (v850_pass_by_reference): New.
6246         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6247         (FUNCTION_ARG_CALLEE_COPIES): True.
6248         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
6249         FUNCTION_ARG_PASS_BY_REFERENCE docs.
6250
6251 2004-07-14  Richard Henderson  <rth@redhat.com>
6252             Richard Sandiford  <rsandifo@redhat.com>
6253
6254         * config/mips/mips-protos.h (mips_va_arg): Delete.
6255         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
6256         * config/mips/mips.c: Include tree-gimple.h.
6257         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
6258         (mips_arg_info): Remove special handling of must_pass_in_stck args.
6259         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
6260         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
6261
6262 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
6263
6264         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
6265         arguments for COND_EXPR in big-endian adjustment code.
6266
6267 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6268
6269         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
6270         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
6271         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
6272         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
6273
6274 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
6275
6276         PR tree-optimization/16443
6277         * tree-ssa-alias.c: Add more description for
6278         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
6279         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
6280         clobbering of call-clobbered and addressable variables.  If
6281         there are any before aliases have been computed, add them.
6282
6283 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
6284
6285         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
6286         verification.
6287
6288 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
6289
6290         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
6291         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
6292         to the same type.
6293
6294 2004-07-13  Per Bothner  <per@bothner.com>
6295
6296         * collect2.c (main):  Handle --no-demangle and --demangle flags.
6297
6298 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
6299
6300         * Makefile.in (OBJS-common): Add tree-data-ref.o.
6301         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
6302         (tree-data-ref.o): New rule.
6303         * lambda.h: New file.
6304         * tree-data-ref.c: New file.
6305         * tree-data-ref.h: New file.
6306         * tree.c (int_cst_value, tree_fold_gcd): New functions.
6307         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
6308
6309 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6310
6311         PR target/13926
6312         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
6313         * config/sparc/sparc.c (output_ubranch): New function.
6314         * config/sparc/sparc.md (jump pattern): Use it.
6315
6316 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6317
6318         PR target/16494
6319         * config/sparc/sparc.c (output_cbranch): Properly guard
6320         the code handling far branches with TARGET_V9.
6321         * config/sparc/sparc.md (length attribute): Document the
6322         side-effect of having a length greater or equal to 3.
6323
6324 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6325             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
6326
6327         PR target/15186
6328         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
6329         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
6330
6331 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6332             Martin Sebor  <sebor@roguewave.com>
6333
6334         PR target/12602
6335         * doc/invoke.texi (SPARC options): Document -threads
6336         and -pthreads on Solaris.
6337
6338 2004-07-13  Richard Henderson  <rth@redhat.com>
6339
6340         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
6341         by reference.
6342         (ind_gimplify_va_arg_expr): Remove.
6343         * tree.h (ind_gimplify_va_arg_expr): Remove.
6344         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
6345         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
6346         argsp to be null.
6347
6348         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
6349         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
6350         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
6351         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
6352         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
6353
6354 2004-07-13  Richard Henderson  <rth@redhat.com>
6355
6356         * function.c (pass_by_reference): New.
6357         (assign_parm_find_data_types): Use it.
6358         * calls.c (initialize_argument_information): Likewise.
6359         (emit_library_call_value_1): Likewise.
6360         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6361         * function.h (pass_by_reference): Declare.
6362
6363 2004-07-13  Richard Henderson  <rth@redhat.com>
6364
6365         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
6366         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
6367         * expr.h (MUST_PASS_IN_STACK): Remove.
6368         * system.h (MUST_PASS_IN_STACK): Poison.
6369         * tree.h (must_pass_in_stack_var_size): Declare.
6370         (must_pass_in_stack_var_size_or_pad): Declare.
6371         * calls.c (must_pass_in_stack_var_size): New.
6372         (must_pass_in_stack_var_size_or_pad): Rename from
6373         default_must_pass_in_stack.
6374         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
6375         (TARGET_MUST_PASS_IN_STACK): New.
6376         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
6377         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
6378         (TARGET_MUST_PASS_IN_STACK): New.
6379         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
6380         * config/frv/frv.c (frv_must_pass_in_stack): New.
6381         (TARGET_MUST_PASS_IN_STACK): New.
6382         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
6383         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
6384         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
6385         (ix86_must_pass_in_stack): Make static.
6386         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
6387         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
6388         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
6389         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
6390         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
6391         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
6392         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
6393         (mcore_must_pass_on_stack): Remove.
6394         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
6395         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
6396         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
6397         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
6398         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
6399         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
6400         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
6401         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
6402         (TARGET_MUST_PASS_IN_STACK): New.
6403         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
6404         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
6405         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
6406         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
6407         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
6408         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
6409         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
6410         MUST_PASS_IN_STACK.
6411
6412         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
6413         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
6414         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
6415         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
6416         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
6417         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
6418         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
6419         config/xtensa/xtensa.c: Use target hook.
6420
6421 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
6422
6423         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
6424         * configure: Rebuilt.
6425
6426 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
6427
6428         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
6429         * config/mips/mips.h (mips_reg_names): Don't declare.
6430         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
6431         (TARGET_NAME_REGS): Delete.
6432         (TARGET_SWITCHES): Remove -mrnames.
6433         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
6434         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
6435         in REGISTER_NAMES.
6436         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
6437         (override_options): Remove handling of TARGET_NAME_REGS.
6438
6439 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
6440
6441         * config/mips/mips.h (TARGET_*): Boolify.
6442
6443 2004-07-12  Nick Clifton  <nickc@redhat.com>
6444
6445         * config.gcc: Add sh-*-symbianelf target.
6446         * config/sh/sh.c: Add new target macros:
6447         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
6448         TARGET_CXX_IMPORT_EXPORT_CLASS.
6449         (sh_file_start): Create a definition of the .directive section.
6450         (sh_attribute): Add dllimport and dllexport attributes.
6451         * config/sh/symbian-pre.h: New file.
6452         * config/sh/symbian-post.h: New file.
6453         * config/sh/symbian.c: New file. Contains Symbian specific
6454         functions.
6455         * config/sh/sh-protos.h: Add prototypes for new functions
6456         provided by symbian.c.
6457         * config/sh/t-symbian: New file.
6458         * doc/extend.texi: Document support for dllimport and dllexport
6459         attributes by the sh-symbianelf target.
6460
6461 2004-07-12  James E Wilson  <wilson@specifixinc.com>
6462
6463         * Makefile.in (AR): Use @AR@ not ar.
6464         (NM): New.
6465         (AR_FOR_TARGET): Use $(AR) not ar for native.
6466         (NM_FOR_TARGET): Use $(NM) not nm for native.
6467         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
6468         * configure: Regenerate.
6469
6470 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
6471
6472         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
6473         special case.
6474         (ashldi3_sp64): Likewise.
6475
6476 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6477
6478         PR target/16477
6479         * pa.c (function_arg): Update comment.
6480         * pa.h (BLOCK_REG_PADDING): Define.
6481
6482 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6483
6484         PR tree-optimization/16461
6485         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
6486         arguments of phi nodes.
6487
6488 2004-07-12  Devang Patel  <dpatel@apple.com>
6489
6490         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
6491
6492 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
6493
6494         * function.c (expand_function_start): Ensure r_save is in Pmode.
6495         * calls.c (prepare_call_address): Ensure static_chain_value is
6496         in Pmode.
6497         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
6498         r_save_area are in Pmode.
6499         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
6500         fnaddr, and static_chain are in Pmode.
6501
6502 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
6503
6504         PR target/16445
6505         * config/ia64/ia64.c (bundling): Don't count ignored insns.
6506
6507 2004-07-12  Richard Henderson  <rth@redhat.com>
6508
6509         * target.h (struct gcc_target): Move gimplify_va_arg_expr
6510         next to build_builtin_va_list.
6511         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
6512         * builtins.c (gimplify_va_arg_expr): Likewise.
6513         * gimplify.c (copy_if_shared_r): Likewise.
6514
6515 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
6516
6517         * passes.c (rest_of_decl_compilation): Don't defer call of
6518         assemble_variable if its DECL_RTL is already set.
6519
6520 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
6521
6522         * cfgloop.h (struct loop): Add nb_iterations field.
6523         (current_loops): Declare.
6524         * tree-chrec.c (chrec_not_analyzed_yet,
6525         chrec_dont_know, chrec_known, count_ev_in_wider_type,
6526         chrec_contains_symbols_defined_in_loop): Remove the temporary
6527         hooks.
6528         * tree-flow-inline.h (loop_containing_stmt): New function.
6529         * tree-scalar-evolution.c: Add implementation.
6530         * tree-scalar-evolution.h: Add declarations.
6531
6532 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
6533
6534         PR rtl-optimization/15921
6535         * Makefile.in (global.o): Add recog.h.
6536
6537         * global.c (recog.h): Add the include-clause.
6538         (bb_info): New member earlyclobber.
6539         (allocate_bb_info, free_bb_info): Initialize/finish the new
6540         member.
6541         (earlyclobber_regclass, earlyclobber_regclass_length): The new
6542         global variables.
6543         (check_earlyclobber, regclass_intersect,
6544         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
6545         New functions.
6546         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
6547         (make_accurate_live_analysis): Modify pavin.
6548
6549 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
6550
6551         * tree-cfg.c (find_taken_edge): Statically compute the truth
6552         value of a predicate comparing an SSA_NAME to itself.
6553
6554 2004-07-12  Roger Sayle  <roger@eyesopen.com>
6555
6556         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
6557         rs6000 doesn't have shift-and-add or shift-and-sub instructions
6558         by returning the cost of a multiplication plus an addition.
6559
6560 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
6561
6562         PR tree-optimization/14107
6563         * gimplify.c (gimplify_return_expr): Accept a
6564         RETURN_EXPR with an error argument.
6565         * tree-optimize.c (init_tree_optimization_passes):
6566         Run pass_warn_function_return at -O0.
6567
6568 2004-07-12  Roger Sayle  <roger@eyesopen.com>
6569
6570         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
6571         index entry.
6572
6573 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
6574
6575         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
6576         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6577         * config/mips/3000.md: Add copyright notice.  Remove automota and
6578         function units; use generic ones instead.  Only define reservations
6579         for things that are different from generic.md.  Extend each clause
6580         to include r3900.
6581         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
6582         * config/mips/mips.md: Include them. Remove define_function_units.
6583         (alu, imuldiv): New automata and units.
6584
6585 2004-07-12  Ben Elliston  <bje@au.ibm.com>
6586
6587         * doc/invoke.texi (Optimize Options): Document -frename-registers
6588         not being enabled by default at -O3.
6589
6590 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6591
6592         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
6593         floating point additions, to keep real immediate constant positive.
6594         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
6595         into X + C, and leave positive real constants as X - C.
6596
6597 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6598
6599         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
6600
6601 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6602
6603         PR tree-optimization/15654
6604         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
6605
6606 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6607
6608         * builtins.c (fold_builtin_fputs): Don't bother converting the
6609         return type to integer_type_node, as we've already checked that
6610         the result will be ignored.
6611
6612         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
6613         that signed addition, subtraction, multiplication, division,
6614         remainder, negation and absolute value may potentially trap.
6615
6616         * fold-const.c (fold_ignored_result): New function to strip
6617         non-side-effecting tree nodes from an expression whose result
6618         is ignored.
6619         (fold_convert): Call fold_ignored_result when casting a value
6620         to VOID_TYPE.
6621         (omit_one_operand):  Call fold_ignored_result on the "omitted"
6622         operand when building a COMPOUND_EXPR.
6623         (pedantic_omit_one_operand): Likewise.
6624         * tree.h (fold_ignored_result): Prototype here.
6625         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
6626         when we're going to ignore the result.
6627
6628 2004-07-11  Richard Henderson  <rth@redhat.com>
6629
6630         PR tree-opt/16383
6631         * tree-ssa-ccp.c (fold_stmt_r): Split out...
6632         * tree.c (fields_compatible_p, find_compatible_field): ... new.
6633         * tree.h (fields_compatible_p, find_compatible_field): Declare.
6634         * tree-sra.c (sra_hash_tree): Hash fields by offset.
6635         (sra_elt_eq): Use fields_compatible_p.
6636         (generate_one_element_ref): Use find_compatible_field.
6637
6638 2004-07-11  Richard Henderson  <rth@redhat.com>
6639
6640         PR tree-opt/16422
6641         * tree-sra.c (generate_one_element_init): New.
6642         (generate_element_init): Use it.
6643         (scalarize_init): Push/pop gimplify context around it.
6644         (find_new_referenced_vars_1, find_new_referenced_vars): New.
6645         * gimplify.c (gimplify_expr): Allow SSA_NAME.
6646
6647 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6648
6649         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
6650         combine.c's combine_insn_cost.
6651         * rtl.h (insn_rtx_cost): Prototype here.
6652         * combine.c (combine_insn_cost): Delete function.
6653         (combine_validate_cost): Update callers of combine_insn_cost to
6654         call insn_rtx_cost instead.
6655         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
6656         requesting the rtx_cost of call and/or jump instructions.
6657
6658         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
6659         rtx_cost directly.  Don't request/use the cost of call or jump
6660         instructions.  Return -1 if the cost of any instruction can't be
6661         determined (or the BB contains a function call).
6662         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
6663         -1 (i.e. can't determine the cost of any instruction or the basic
6664         block contains a subroutine call).
6665         (find_if_case_2): Likewise.
6666
6667 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6668
6669         * rs6000.c (struct processor_costs): Change semantics of fields to
6670         include the COST_N_INSNS scaling, and update all initializers.
6671         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
6672         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
6673         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
6674         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
6675
6676 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6677
6678         * LANGUAGES: Remove obsolete information.
6679
6680 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
6681
6682         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
6683         SIGBUS signal frames, the PSW address points *to* the faulting
6684         instruction, not after it.
6685
6686 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
6687
6688         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
6689         added to TLS symbol addresses.
6690
6691 2004-07-11  Richard Henderson  <rth@redhat.com>
6692
6693         * expmed.c (init_expmed): Use stack-local structures for
6694         temporary rtl.  Don't recognize shifts.
6695
6696 2004-07-11  Richard Henderson  <rth@redhat.com>
6697
6698         * expr.c (store_expr): Don't fiddle subreg promotion for types
6699         with precision smaller than the mode.
6700
6701 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6702
6703         * tree.h (all_types_permanent): Remove.
6704
6705 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6706
6707         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
6708         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
6709         * langhooks.c (lhd_clear_binding_stack): Remove.
6710         * langhooks-def.h (lhd_clear_binding_stack,
6711         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
6712         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
6713         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
6714         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
6715         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
6716         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
6717         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
6718         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
6719         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
6720         * tree.h (poplevel): Don't declare.
6721         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
6722         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
6723         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
6724         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
6725         Remove.
6726
6727 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6728
6729         PR tree-optimization/16437
6730         * c-common.c (shorten_compare): Don't mark result of conversion to
6731         narrower signed type as overflowing.
6732         * fold-const.c (decode_field_reference): Determine whether
6733         signedness comes from outer type using precision rather than size.
6734
6735 2004-07-11  Phil Edwards  <phil@codesourcery.com>
6736
6737         * configure.ac:  Alphabetize --enable-checking list, add
6738         missing valgrind entry.
6739         * configure:  Regenerate.
6740
6741 2004-07-11  Phil Edwards  <phil@codesourcery.com>
6742
6743         * doc/install.texi (Testing):  Fix syntax in "make check" example.
6744
6745 2004-07-10  James E Wilson  <wilson@specifixinc.com>
6746
6747         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
6748
6749 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6750
6751         PR rtl-optimization/16001
6752         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
6753         niter_expr.
6754
6755 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
6756
6757         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
6758
6759 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
6760             James Morrison  <phython@gcc.gnu.org>
6761
6762         * doc/contrib.texi (Contributors): Add gfortran contributors and
6763         fix a couple of typos.
6764
6765 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6766
6767         PR rtl-optimization/15387
6768         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
6769         to incoming args space correctly.
6770
6771 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6772
6773         * pa.c (output_indirect_call): Only use %r2 as the link register in
6774         indirect calls with the long PA 2.0 pc-relative branch.
6775
6776 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
6777
6778         * config/i386/i386.c (override_options): Pick a 64-bit CPU
6779         for the default tuning if TARGET_64BIT.
6780
6781 2004-07-10  Richard Henderson  <rth@redhat.com>
6782
6783         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
6784         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
6785
6786 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
6787
6788         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
6789         * expmed.c (store_bit_field, extract_bit_field): Remove last
6790         argument.
6791         * builtins.c (expand_builtin_signbit): Adjust callers.
6792         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
6793         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
6794         * ifcvt.c (noce_emit_move_insn): Likewise.
6795         * stmt.c (expand_return): Likewise.
6796         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
6797         store_field, expand_expr_real_1): Likewise.
6798
6799 2004-07-10  Richard Henderson  <rth@redhat.com>
6800
6801         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
6802
6803 2004-07-09  Mike Stump  <mrs@apple.com>
6804
6805         * config/darwin.c (no_dead_strip): Add.
6806         (HAVE_DEAD_STRIP): Add.
6807         (darwin_emit_unwind_label): Ensure that we don't dead code strip
6808         the .eh label.
6809
6810 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6811
6812         * tree-ssa-loop-im.c: New file.
6813         * Makefile.in (tree-ssa-loop-im.o): Add.
6814         * cfgloop.c (superloop_at_depth): New function.
6815         * cfgloop.h (superloop_at_depth): Declare.
6816         * common.opt (ftree-lim): New flag.
6817         * expr.c (array_ref_up_bound): New function.
6818         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
6819         * timevar.def (TV_LIM): New timevar.
6820         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
6821         computing immediate uses of a phi node.
6822         * tree-flow.h (struct tree_ann_common_d): Add aux field.
6823         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
6824         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
6825         * tree-pass.h (pass_lim): Declare.
6826         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
6827         functions.
6828         (pass_lim): New pass structure.
6829         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
6830         * tree.c (in_array_bounds_p): New function.
6831         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
6832         (in_array_bounds_p, array_ref_up_bound): Declare.
6833         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
6834         * doc/passes.texi (tree-ssa-loop-im.c): Document.
6835
6836 2004-07-09  Richard Henderson  <rth@redhat.com>
6837
6838         * builtins.c (expand_builtin_stpcpy): Don't modify len.
6839
6840         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
6841         with prejudice.
6842
6843 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
6844
6845         * flags.h: Delete redundant prototypes that are being generated
6846         in options.h from common.opt.
6847         * common.opt: Add in the expository comments formerly in flags.h.
6848
6849 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6850
6851         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
6852         available for use only when TARGET_MMX/_SSE is set, and check for
6853         variable argument function if any register count is non-zero.
6854         (function_arg): Correctly suppress repeated warnings for passing SSE
6855         vectors are arguments without SSE enabled.
6856         (ix86_function_arg_boundary): Without SSE enabled, the use of what
6857         would be SSE register modes does no longer influence the alignment.
6858
6859 2004-07-09  Richard Henderson  <rth@redhat.com>
6860
6861         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
6862         Always align upward to arg boundary.  Use size_in_bytes/round_up.
6863         Maintain type-correctness of constants.
6864         * stor-layout.c (round_up, round_down): Special-case powers of 2.
6865
6866 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6867
6868         * config/sparc/sparc.c (*_costs): Scale instruction costs
6869         by COSTS_N_INSNS.
6870         (sparc_rtx_costs): Adjust as appropriate.
6871
6872 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6873
6874         * config/i386/mm3dnow.h: New.
6875         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
6876
6877 2004-07-09  Richard Henderson  <rth@redhat.com>
6878
6879         * simplify-rtx.c (simplify_const_relational_operation): Only
6880         look at bounds of scalar integers.
6881
6882 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6883
6884         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
6885
6886 2004-07-09  Andrew Pinski  <apinski@apple.com>
6887
6888         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
6889         always referenced.
6890         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
6891         UOBJC_METACLASS_decl.
6892
6893 2004-07-09  James E Wilson  <wilson@specifixinc.com>
6894
6895         PR target/16364
6896         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
6897         do return a parallel if hfa_mode == XFmode and mode == TImode.
6898
6899 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6900
6901         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
6902         permissible for unary plus.
6903
6904 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6905
6906         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
6907         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
6908         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
6909         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
6910         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
6911         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
6912         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
6913         (BUILTIN_xxxIMAX): New.
6914         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
6915         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
6916         BUILT_IN_PARITYIMAX.
6917
6918 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
6919
6920         * config/sparc/sparc.h (processor_costs): Define.
6921         (sparc_costs): Declare.
6922         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
6923         hypersparc_costs, sparclet_costs, ultrasparc_costs,
6924         ultrasparc3_costs): New.
6925         (sparc_override_options): Set sparc_costs as appropriate.
6926         (sparc_rtx_costs): Use sparc_costs instead of messy
6927         conditionals.
6928
6929 2004-07-09  Steven Bosscher  <stevenb@suse.de>
6930
6931         * doc/md.texi (Processor pipeline description): Mention that
6932         the old pipeline description is deprecated.
6933
6934         * config/rs6000/7450.md (automaton ppc7450): Split up, move
6935         mciu_7450 function unit to...
6936         (automaton ppc7450mciu): ...new automaton.
6937
6938         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
6939         (schedule_block): Don't consider inserting bubbles.
6940         (sched_init): Don't initialize DFA bubbles.
6941         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
6942         TARGET_SCHED_DFA_BUBBLE): Remove.
6943         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
6944         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
6945         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
6946
6947         * stmt.c (conditional_context): Remove prototype.
6948         * tree.h (conditional_context): Remove.
6949         * tree-cfg.c (pre_insert_on_edge): Remove.
6950
6951         * c-common.h (c_expand_asm_operands): Remove prototype.
6952         * c-typeck.c (c_expand_asm_operands): Remove.
6953
6954 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6955
6956         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
6957         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
6958         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
6959         and V8QI are class SSE. All sufficiently small remaining vector modes
6960         must be passed in one or two integer registers.
6961         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
6962         returned in memory.
6963         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
6964         __builtin_ia32_pmuludq128 have non-uniform argument and return types
6965         and must thus be handled explicitly.
6966         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
6967         MMX and XMM regs.
6968         (movv8qi_internal, movv4hi_internal, movv2si_internal,
6969         movv2sf_internal): Permit moving between MMX and XMM registers (since
6970         MMX areguments and return values are passed in XMM registers).
6971         (sse2_umulsidi3): Correct type and mode.
6972
6973 2004-07-09  Richard Henderson  <rth@redhat.com>
6974
6975         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
6976
6977 2004-07-09  Eric Christopher  <echristo@redhat.com>
6978
6979         * config/rs6000/40x.md: Split into two automatons.
6980
6981 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6982             Andrew Pinski  <apinski@apple.com>
6983
6984         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
6985         on when we have more than one input file.
6986         (c_common_parse_file): Restore loop over all input files.
6987         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
6988
6989         * c-decl.c (set_type_context): New function.
6990         (pop_scope): Use it to set context of types.  When we
6991         encounter a TYPE_DECL, set the context of the attached type too.
6992         (pop_file_scope): Don't call cpp_undef_all here.
6993         (diagnose_mismatched_decls): Do not complain about a second
6994         definition of an 'extern inline' function if it's not in the
6995         same translation unit.  Do not complain about inline
6996         declaration after use if the use was in a different
6997         translation unit.
6998         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
6999         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
7000         the external scope.
7001         (pushdecl_top_level): Likewise.
7002         (grokdeclarator): Clarify what is going on with setting
7003         DECL_EXTERNAL on function types, a little.
7004         (c_write_global_declarations): Don't do anything if
7005         -fsyntax-only or errors have been encountered.
7006
7007 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
7008
7009         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
7010
7011 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7012
7013         PR target/16459
7014         * pa.c (output_indirect_call): Use %r2 as the link register when
7015         calling $$dyncall with a pc-relative branch.
7016
7017 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
7018
7019         * doc/install.texi (Binaries): Mention OpenPKG.
7020
7021 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
7022
7023         Fix PR tree-optimization/15555
7024         * tree-dfa.c (dump_variable): If the variable is a pointer
7025         SSA_NAME, also dump its points-to information.
7026         * tree-flow.h (struct ptr_info_def): Add field
7027         is_dereferenced.
7028         (dump_points_to_info_for): Declare.
7029         (debug_points_to_info_for): Declare.
7030         * tree-optimize.c (init_tree_optimization_passes): Add a
7031         second alias analysis pass after DOM2.
7032         Move pass_del_pta to a later spot.
7033         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
7034         create a name tags when we find a dereferenced pointer.  Just
7035         mark the pointer dereferenced.
7036         (collect_points_to_info_for): Move code to clear points-to
7037         information to create_name_tags.
7038         (create_name_tags): New function.
7039         (compute_flow_sensitive_aliasing): Call it.
7040         (setup_pointers_and_addressables): Mark type tags for renaming
7041         here instead of ...
7042         (create_memory_tag): ... here.
7043         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
7044         (dump_points_to_info_for): Declare extern.
7045         (debug_points_to_info_for): New function.
7046
7047 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
7048
7049         * config/arc/arc.md: Switch to DFA-based scheduler description.
7050         * config/arc/arc.c: Switch to DFA-based scheduler description.
7051
7052 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7053
7054         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
7055         pointer.
7056
7057 2004-07-09  Richard Henderson  <rth@redhat.com>
7058
7059         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
7060         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7061         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
7062         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
7063
7064         * config/v850/v850-protos.h (v850_va_arg): Remove.
7065         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7066         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
7067         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
7068         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
7069         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
7070
7071 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7072
7073         PR target/12133
7074         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
7075         and DImode to use +/-4k offset.
7076
7077 2004-07-09  Richard Henderson  <rth@redhat.com>
7078
7079         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
7080         Remove.
7081         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7082         (xstormy16_gimplify_va_arg_expr): Rewrite from
7083         xstormy16_expand_builtin_va_arg.
7084         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
7085
7086         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
7087         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
7088
7089         * config/sh/sh-protos.h (sh_va_arg): Remove.
7090         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7091         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
7092         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
7093
7094         * config/pa/pa-protos.h (hppa_va_arg): Remove.
7095         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7096         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
7097         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
7098
7099         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
7100         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7101         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
7102         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
7103
7104 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
7105
7106         * config/sparc/sparc.md (return): Rewrite length formula.
7107         * config/sparc/sparc.c (output_return): Pass 1 as 5th
7108         argument to final_scan_insn when in a delay slot.
7109         (output_sibcall): Likewise.
7110
7111 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7112
7113         * arm.c (arm_cpp_interwork): New variable.
7114         (arm_override_options): Set it if TARGET_INTERWORK was on the command
7115         line.
7116         * arm.h (arm_cpp_interwork): Declare it.
7117         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
7118         __THUMB_INTERWORK__ in the preprocessor.
7119
7120 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
7121
7122         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
7123
7124 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
7125
7126         PR target/16416
7127         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
7128         Override default settings to account for -m32 and -m64.
7129
7130 2004-07-08  Randolph Chung  <tausq@debian.org>
7131
7132         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
7133
7134 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
7135
7136         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
7137         before comparing it as such.
7138
7139 2004-07-08  Richard Henderson  <rth@redhat.com>
7140
7141         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
7142         temporary.  Use bit arithmetic to align.
7143
7144 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
7145
7146         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
7147         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
7148         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
7149         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
7150         add_labels_and_missing_jumps, find_jump_block,
7151         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
7152         Likewise.
7153         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
7154         link_btr_uses, move_btr_def): Likewise.
7155         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
7156         expand_builtin_expect_jump): Likewise.
7157         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
7158         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7159         * cfganal.c (forwarder_block_p): Likewise.
7160         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
7161         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
7162         find_bb_boundaries): Likewise.
7163         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7164         merge_blocks_move_predecessor_nojumps,
7165         merge_blocks_move_successor_nojumps, insns_match_p,
7166         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7167         try_optimize_cfg): Likewise.
7168         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
7169         * cfglayout.c (skip_insns_after_block, label_for_bb,
7170         record_effective_endpoints, insn_locators_initialize,
7171         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
7172         * cfgmainloop.c (create_loop_notes): Likewise.
7173         * cfgrtl.c (delete_insn, delete_insn_chain,
7174         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
7175         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
7176         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
7177         redirect_branch_edge, force_nonfallthru_and_redirect,
7178         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
7179         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
7180         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
7181         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
7182         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
7183         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
7184         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
7185         * combine.c (combine_instructions, can_combine_p, try_combine,
7186         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
7187         distribute_notes, distribute_links, insn_cuid): Likewise.
7188         * cse.c (fold_rtx, cse_insn, cse_around_loop,
7189         invalidate_skipped_block, cse_set_around_loop,
7190         cse_end_of_basic_block, cse_main, cse_basic_block,
7191         cse_condition_code_reg): Likewise.
7192         * cselib.c (cselib_process_insn): Likewise.
7193         * ddg.c (create_ddg): Likewise.
7194         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
7195         Likewise.
7196         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
7197         gen_label_die, dwarf2out_var_location): Likewise.
7198         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
7199         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
7200         last_call_insn, active_insn_p, next_label, prev_label,
7201         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
7202         add_insn_before, remove_insn, add_function_usage_to,
7203         reorder_insns, find_line_note, remove_unnecessary_notes,
7204         emit_insn_after_1, classify_insn): Likewise.
7205         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
7206         connect_post_landing_pads, sjlj_mark_call_sites,
7207         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
7208         can_throw_internal, can_throw_external, set_nothrow_function_flags,
7209         convert_to_eh_region_ranges): Likewise.
7210         * explow.c (optimize_save_area_alloca): Likewise.
7211         * expr.c (expand_expr_real): Likewise.
7212         * final.c (insn_current_reference_address, compute_alignments,
7213         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
7214         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
7215         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
7216         propagate_block_delete_insn, propagate_one_insn,
7217         init_propagate_block_info, propagate_block, libcall_dead_p,
7218         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
7219         Likewise.
7220         * function.c (instantiate_virtual_regs, reorder_blocks_1,
7221         expand_function_start, expand_function_end, contains,
7222         thread_prologue_and_epilogue_insns,
7223         reposition_prologue_and_epilogue_notes): Likewise.
7224         * gcse.c (constprop_register, bypass_conditional_jumps,
7225         insert_insn_end_bb, gcse_after_reload): Likewise.
7226         * genemit.c (gen_expand, gen_split): Likewise.
7227         * genpeep.c (gen_peephole, main): Likewise.
7228         * global.c (build_insn_chain): Likewise.
7229         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
7230         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
7231         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
7232         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
7233         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
7234         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
7235         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
7236         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
7237         dead_or_predicable): Likewise.
7238         * integrate.c (try_constants): Likewise.
7239         * jump.c (rebuild_jump_labels, cleanup_barriers,
7240         purge_line_number_notes, init_label_info, mark_all_labels,
7241         squeeze_notes, get_label_before, get_label_after,
7242         reversed_comparison_code_parts, simplejump_p, pc_set,
7243         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
7244         delete_barrier, delete_prior_computation, delete_computation,
7245         delete_related_insns, delete_for_peephole, redirect_jump):
7246         Likewise.
7247         * lcm.c (optimize_mode_switching): Likewise.
7248         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
7249         Likewise.
7250         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
7251         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
7252         * loop-iv.c (simplify_using_assignment): Likewise.
7253         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
7254         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
7255         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
7256         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
7257         check_insn_for_givs, check_final_value, update_giv_derive,
7258         basic_induction_var, product_cheap_p, check_dbra_loop,
7259         loop_insn_first_p, last_use_this_basic_block,
7260         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
7261         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
7262         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
7263         sms_schedule_by_order): Likewise.
7264         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
7265         * postreload.c (reload_cse_simplify_operands, reload_combine,
7266         reload_cse_move2add): Likewise.
7267         * predict.c (can_predict_insn_p, estimate_probability,
7268         expected_value_to_br_prob, process_note_predictions): Likewise.
7269         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
7270         * profile.c (branch_prob): Likewise.
7271         * ra-build.c (live_out_1, livethrough_conflicts_bb,
7272         detect_webs_set_in_cond_jump): Likewise.
7273         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
7274         ra_print_rtl_with_bb): Likewise.
7275         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
7276         * recog.c (next_insn_tests_no_inequality, find_single_use,
7277         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
7278         * reg-stack.c (next_flags_user, record_label_references,
7279         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
7280         compensate_edge, convert_regs_1): Likewise.
7281         * regclass.c (scan_one_insn): Likewise.
7282         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7283         regmove_optimize, fixup_match_1, single_set_for_csa,
7284         combine_stack_adjustments_for_block): Likewise.
7285         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
7286         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
7287         find_equiv_reg): Likewise.
7288         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
7289         reload_as_needed, emit_input_reload_insns, do_output_reload,
7290         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
7291         Likewise.
7292         * reorg.c (find_end_label, emit_delay_sequence,
7293         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
7294         get_jump_flags, rare_destination, mostly_true_jump,
7295         try_merge_delay_insns, redundant_insn, own_thread_p,
7296         fill_simple_delay_slots, fill_slots_from_thread,
7297         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
7298         dbr_schedule): Likewise.
7299         * resource.c (find_basic_block, next_insn_no_annul,
7300         find_dead_or_set_registers, mark_target_live_regs): Likewise.
7301         * rtl.h (RTX_PREV): Likewise.
7302         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
7303         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
7304         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
7305         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
7306         tablejump_p, computed_jump_p, insns_safe_to_move_p,
7307         find_first_parameter_load, can_hoist_insn_p): Likewise.
7308         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
7309         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
7310         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
7311         schedule_ebbs): Likewise.
7312         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
7313         is_conditionally_protected, can_schedule_ready_p,
7314         add_branch_dependences, debug_dependencies): Likewise.
7315         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
7316         Likewise.
7317         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
7318         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
7319         set_dominates_use, ujump_to_loop_cont): Likewise.
7320         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
7321         * varasm.c (output_constant_pool_1): Likewise.
7322
7323 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7324
7325         * tree-scalar-evolution.c: New file.
7326         * tree-scalar-evolution.h: New file.
7327         * tree-ssa-loop-niter.c: New file.
7328         * Makefile.in (SCEV_H): New.
7329         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
7330         * cfgloop.h (struct loop): Add bounds field.
7331         * tree-flow.h (struct tree_niter_desc): New type.
7332         (number_of_iterations_cond, number_of_iterations_exit,
7333         loop_niter_by_eval, find_loop_niter_by_eval,
7334         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
7335         free_numbers_of_iterations_estimates): Declare.
7336         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
7337         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
7338         * doc/invoke.texi (max-iterations-to-track): Document.
7339
7340 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
7341
7342         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
7343         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
7344         (MODE_AFTER): Add cast appropriately.
7345         * config/sh/sh.md (movdi splitter): Likewise.
7346         (casesi_worker_2): Add const qualifier appropriately.
7347         (eh_return): Remove unused variable.
7348         (insv): Initialize v;
7349
7350 2004-07-08  Richard Henderson  <rth@redhat.com>
7351
7352         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
7353         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7354         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
7355         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
7356         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
7357
7358         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
7359         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7360         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
7361         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
7362
7363         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
7364         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7365         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
7366         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
7367
7368         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
7369         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7370         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
7371         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
7372
7373         * config/i860/i860-protos.h (i860_va_arg): Remove.
7374         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7375         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
7376         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
7377
7378 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7379
7380         * system.h: Prototype getpagesize if missing.
7381         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
7382         * configure: Regenerate.
7383         * config.in: Regenerate.
7384
7385 2004-07-08  Richard Henderson  <rth@redhat.com>
7386
7387         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
7388         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7389         (fr30_gimplify_va_arg_expr): New.
7390         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
7391         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
7392
7393 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
7394
7395         PR target/16414
7396         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
7397         of asm_noperands result.
7398
7399 2004-07-08  Richard Henderson  <rth@redhat.com>
7400
7401         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
7402         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7403         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
7404         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
7405
7406 2004-07-08  Richard Henderson  <rth@redhat.com>
7407
7408         * builtins.c (ind_gimplify_va_arg_expr): New.
7409         * tree.h (ind_gimplify_va_arg_expr): Declare.
7410         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
7411
7412 2004-07-08  Jan Beulich  <jbeulich@novell.com>
7413
7414         * expmed.c (extract_bit_field): Correct condition to use vec_extract
7415         patterns also on vector elements other than the first one.
7416         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
7417         break statements.
7418
7419 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
7420
7421         * config/rs6000/darwin-ldouble.c: Correct reference
7422         to the Linnainmaa paper.
7423
7424 2004-07-08  Richard Henderson  <rth@redhat.com>
7425
7426         * config/arc/arc-protos.h (arc_va_arg): Remove.
7427         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7428         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
7429         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
7430
7431         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
7432         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7433         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
7434         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
7435
7436 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7437
7438         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
7439
7440 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
7441
7442         * c-decl.c (static_ctors, static_dtors): Make static.
7443         (pop_file_scope): Call c_common_write_pch and
7444         cgraph_finalize_compilation_unit here.
7445         (build_cdtor): Moved here from c-objc-common.c; simplify.
7446         (c_write_global_declarations_1): Clarify comment.
7447         (c_write_global_declarations): Close the external scope before
7448         doing anything else.  Call build_cdtor, cgraph_optimize, and
7449         mudflap_finish_file here.
7450         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
7451         Clarify comment.
7452         * c-objc-common.c: No need to include cgraph.h.
7453         (build_cdtor): Moved to c-decl.c.
7454         (c_objc_common_finish_file): Delete.
7455         * c-tree.h: Update to match.
7456         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
7457         (generate_static_references): Set TREE_USED before calling finish_decl.
7458         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
7459         on the static_instances_decl.
7460
7461 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
7462
7463         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
7464         decls when there is only one input translation unit.
7465         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
7466         change of 2004-07-05; do not treat declarations with
7467         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
7468         * opts.c (cur_in_fname): Delete.
7469         * opts.h: Likewise.
7470         * tree.c: Revert changes of 2004-07-05; no special treatment
7471         for TRANSLATION_UNIT_DECLs.
7472         * Makefile.in (tree.o): Update dependencies.
7473
7474 2004-07-08  Roger Sayle  <roger@eyesopen.com>
7475
7476         * builtins.c (fold_builtin_strcpy): Merge functionality from
7477         simplify_builtin_strcpy.  Add additional len argument.  No longer
7478         static.  Remove function prototype.
7479         (fold_builtin_strncpy): Likewise integrate functionality from
7480         simplify_builtin_strncpy.  Add additional slen argument.  No
7481         longer static.  Remove function prototype.
7482         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
7483         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
7484         types of "ignore" and "unlocked" parameters to bool.
7485         (fold_builtin_1):  Add additional ignore argument.  Call renamed
7486         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
7487         builtins.  Update arguments to fold_builtin_strncpy and
7488         fold_builtin_strcpy.  Add function prototype.
7489         (fold_builtin): Add additional Boolean ignore argument to pass
7490         to fold_builtin_1.
7491         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
7492         and fold_builtin_strncpy instead of simplify_builtin_fputs,
7493         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
7494
7495         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
7496         simplify_builtin_strncpy): Delete function prototypes.
7497         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
7498         fold_builtin_strncpy): Add function prototypes here.
7499         (fold_builtin): Update function prototype with new "bool ignore".
7500
7501         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
7502         (ccp_fold_builtin):  Update call to fold_builtin.  Call
7503         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
7504         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
7505         simplify_builtin_strncpy respectively.
7506         * fold-const.c (fold): Update call to fold_builtin.
7507
7508 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
7509
7510         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
7511         to strcpy.
7512
7513         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
7514         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
7515         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
7516         * calls.c: Remove ifdefs of macros above.
7517         * functions.c: Likewise.
7518         * expr.c: Likewise.
7519
7520 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7521
7522         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
7523         (arch attribute): Delete.
7524         (current_function_calls_alloca attribute): Rename into calls_alloca.
7525         (calls_eh_return): New attribute.
7526         (leaf_function): Likewise.
7527         (length attribute): Fix formula for sibcalls.
7528         (return insn): Correctly compute the 'length' attribute.
7529         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
7530
7531 2004-07-08  Richard Henderson  <rth@redhat.com>
7532
7533         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
7534         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
7535         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
7536         * tree-eh.c (lower_eh_constructs_1): Likewise.
7537         * tree-sra.c (sra_walk_modify_expr): Likewise.
7538         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
7539         (eliminate_unnecessary_stmts): Likewise.
7540         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7541         * tree-tailcall.c (optimize_tail_call): Likewise.
7542         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
7543
7544 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7545             Jakub Jelinek  <jakub@redhat.com>
7546
7547         * config/i386/i386.c (override_options): Enable
7548         SSE prefetches with -mtune, as long as we are
7549         compiling for i686 or higher.  All i686 processors
7550         accept SSE prefetches as NOPS, some i586's don't.
7551
7552 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7553
7554         PR target/10567
7555         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
7556
7557 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
7558
7559         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
7560         the handling of clobbering ASM_EXPRs.
7561
7562 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7563
7564         PR target/16430
7565         * config/sparc/sparc.c (function_value): In 64-bit mode,
7566         return the aggregates larger than 16 bytes like unions.
7567
7568 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7569
7570         PR target/16199
7571         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
7572         'temp' is zero, generate new pseudos as needed and emit the
7573         sequence of insns in single-assignment form.  Resync comments
7574         with code.
7575         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
7576         function before reload.
7577
7578 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
7579
7580         * vec.c (vec_assert_fail): Remove duplicate 'function'.
7581
7582         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
7583
7584         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
7585         Allocation is signed.
7586         (VEC_reserve): Return flag, allocation is signed.
7587
7588 2004-07-08  Richard Henderson  <rth@redhat.com>
7589
7590         * tree-ssa-ccp.c (fold_stmt): Get type directly from
7591         OBJ_TYPE_REF_OBJECT.
7592
7593 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
7594             Neil Booth  <neil@daikokuya.co.uk>
7595
7596         PR c/2511
7597         PR c/3325
7598         * c-decl.c (finish_struct): Ensure bit-fields are given the
7599         correct type.
7600         * c-common.c (c_common_signed_or_unsigned_type): For C, require
7601         the precision to match as well as the mode.
7602         * expr.c (reduce_to_bit_field_precision): New function.
7603         (expand_expr_real_1): Reduce expressions of bit-field type to
7604         proper precision.
7605         * langhooks.h (reduce_bit_field_operations): New hook.
7606         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
7607         Define.
7608         * c-lang.c, objc/objc-lang.c
7609         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
7610         * objc/objc-act.c (check_ivars): Convert types to bit-field types
7611         before checking.
7612         * tree.c (build_nonstandard_integer_type): New function.
7613         * tree.h (build_nonstandard_integer_type): New prototype.
7614         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
7615         conversions between integer and boolean types as useless.
7616
7617 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7618
7619         * c-common.c (c_common_nodes_and_builtins): Do not
7620         create __builtin_ptrdiff_t and __builtin_size_t.
7621
7622 2004-07-08  Andrew Pinski  <apinski@apple.com>
7623
7624         * Makefile.in (libbackend.o): Add -combine to the gcc
7625         command line.
7626
7627 2004-07-08  Nick Clifton  <nickc@redhat.com>
7628
7629         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
7630         Set to -Os.
7631
7632 2004-07-08  Richard Henderson  <rth@redhat.com>
7633
7634         * except.c (expand_eh_region_start, expand_eh_region_end,
7635         expand_eh_handler, expand_eh_region_end_cleanup,
7636         expand_start_all_catch, expand_start_catch, expand_end_catch,
7637         expand_end_all_catch, expand_eh_region_end_allowed,
7638         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
7639         expand_eh_region_end_fixup): Remove.
7640         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
7641         cleanups, outer_cleanups, label_chain, exception_region.
7642         (struct goto_fixup): Remove stack_level, cleanup_list_list.
7643         (struct label_chain): Remove.
7644         (struct stmt_status): Remove x_stack_block_stack.
7645         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
7646         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
7647         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
7648         end_cleanup_deferral, last_cleanup_this_contour,
7649         containing_blocks_have_cleanups_or_stack_level,
7650         any_pending_cleanups): Remove.
7651         (expand_null_return_1): Take no arguments.
7652         (expand_label, expand_naked_return, expand_return,
7653         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
7654         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
7655         expand_end_case_type): Don't use any of them.
7656         * calls.c (expand_call): Likewise.
7657         * dojump.c (do_jump): Likewise.
7658         * function.c (expand_function_end): Likewise.
7659         * expr.c (store_expr, expand_expr_real_1): Likewise.
7660         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
7661         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
7662         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
7663         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
7664         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
7665         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
7666         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
7667         for WITH_CLEANUP_EXPR.
7668         (gimple_push_cleanup): Likewise.
7669         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
7670         * print-tree.c (print_node): Likewise.
7671         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
7672         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
7673         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
7674         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
7675         (GOTO_SUBROUTINE_EXPR): Remove.
7676         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
7677         (DECL_TOO_LATE): Remove.
7678         * except.h, tree.h: Update decls.
7679
7680 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7681
7682         * explow.c (optimize_save_area_alloca): Do not accept parameters.
7683         * passes.c (rest_of_handle_final): Handle symout.
7684         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
7685         Push timevar here.
7686         (rest_of_handle_sched): Break out SMS.  Remove ifs for
7687         flag_schedule_insns and flag_modulo_sched.
7688         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
7689         collect at the end.
7690         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
7691         (rest_of_handle_partition_blocks, rest_of_handle_sms,
7692         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
7693         rest_of_handle_mode_switching, rest_of_handle_jump,
7694         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
7695         rest_of_handle_jump2, rest_of_handle_postreload,
7696         rest_of_handle_flow2, rest_of_clean_state,
7697         rest_of_handle_shorten_branches,
7698         rest_of_handle_prologue_epilogue,
7699         rest_of_handle_branch_target_load_optimize): New.
7700         (rest_of_compilation): Call the above.  Remove ggc_collect
7701         calls moved to rest_of_handle_*.
7702         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
7703
7704         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
7705         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
7706         * except.h (set_nothrow_function_flags): Update comment.
7707         * function.c (current_function_nothrow): Remove.
7708         * output.h (current_function_nothrow): Remove.
7709         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
7710         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
7711
7712 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7713
7714         PR bootstrap/16326
7715         * reorg.c: Revert 2004-06-30 change.
7716         (find_end_label): If HAVE_epilogue and !HAVE_return,
7717         return 0 instead of creating a label at the end of the insn chain.
7718         (optimize_skip): Account for the failure mode of find_end_label.
7719         (fill_simple_delay_slots): Likewise.
7720         (fill_slots_from_thread): Likewise.
7721         (relax_delay_slots): Likewise.
7722
7723 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
7724
7725         * tree-flow.h (addressable_vars): Declare.
7726         * tree-ssa-alias.c (addressable_vars): Define.
7727         (setup_pointers_and_addressables): Add addressable variables
7728         to addressable_vars.
7729         * tree-ssa-operands.c (get_stmt_operands): Move
7730         handling of ASM_EXPRs ...
7731         (get_asm_expr_operands): ... here.
7732         When the ASM_EXPR clobbers memory, also clobber addressable
7733         variables.
7734         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
7735         (delete_tree_ssa): Reset addressable_vars.
7736
7737 2004-07-07  Jan Beulich  <jbeulich@novell.com>
7738             Richard Henderson  <rth@redhat.com>
7739
7740         * varasm.c (assemble_variable): Use assemble_zeros for
7741         zero-initialized variables.
7742         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
7743         for SECCAT_BSS and SECCAT_TBSS.
7744
7745 2004-07-07  Jan Beulich  <jbeulich@novell.com>
7746
7747         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
7748
7749         * expmed.c (emit_store_flag): Also special-case double-word
7750         (in-)equality comparison against -1.
7751
7752         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
7753         passing arguments the containers for which are registers.
7754
7755         * calls.c (emit_library_call_value_1): Use mode of function parameter
7756         rather than that of argument since constants have none.
7757
7758 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
7759
7760         Introduce H8SX support.
7761         * expr.c (expand_strcpy): Renamed and moved to...
7762         * builtins.c (expand_movstr): ... here.  Tweak.
7763         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
7764         computed or has side effects.
7765         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
7766         unused, or if mempcpy fails.  Adjust the return value in the
7767         latter case.  Use movstr if everything else fails.
7768         * doc/md.texi (movstr): Document.
7769         (movmemM, clrmemM): Fix explanation of memory block operands.
7770         * config/h8300/h8300.md (stpcpy): Renamed to...
7771         (movstr): ... this.  Adjust.
7772         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7773         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
7774         movmem* and clrstr* to clrmem*.
7775         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
7776         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
7777         GENERAL_REGS, always.
7778         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
7779         getting the stack pointer as addr.
7780         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
7781         from general_operand_dst.
7782         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
7783         variant of...
7784         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
7785         instead of requiring it to match only before reload.
7786         (stpcpy_internal_normal): New, normal-mode variant of...
7787         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
7788         `D' instead of requiring it to match only before reload.
7789         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
7790         mode argument.
7791         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
7792         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
7793         h8300_get_index.
7794         * config/h8300/h8300.md (attr type): Add call.
7795         (attr can_delay): If type is call, set it no.
7796         (call, call_value): Set type to call.
7797         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
7798         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
7799         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
7800         * tree.c (get_narrower): Don't narrow integral types into
7801         non-integral types.
7802         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
7803         frame_size *before* the first use.
7804         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
7805         on input.
7806         (peephole2): Don't widen instructions that push SP.  Move
7807         decrement of SP to the end of all stm-generating peepholes.
7808         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
7809         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
7810         and OR to set it to all ones.
7811         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
7812         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
7813         (call, call_value): Set can_delay to "no".
7814         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
7815         * config/h8300/h8300.md (extzv): Make subreg check more robust.
7816         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
7817         * config/h8300/h8300.md (*brabit): Remove.
7818         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
7819         zero_extract.  Use bit_memory_operand as the predicate for
7820         operand 1 and 'WU' as the constraint.  Check the difference
7821         between the base length and the final one when deciding which
7822         type of branch to use.
7823         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
7824         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
7825         Use convert_move to extend the result for TARGET_H8300SX.  Check
7826         for QImode memory references.  Optimize the case where the
7827         destination is a paradoxical subreg.
7828         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
7829         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
7830         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
7831         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
7832         * config/h8300/h8300.md: Include mova.md
7833         (length_table): Add mova and mova_zero.
7834         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
7835         after all constant addresses for '%R', '%X', '%T' and '%S'.
7836         (h8300_mova_length): New function.
7837         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
7838         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
7839         dependencies for s-config, etc.
7840         * config/h8300/gemova.sh: New file.
7841         * config/h8300/mova.md: Generated.
7842         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
7843         * config/h8300/h8300.c (h8300_bitfield_length): New.
7844         (nibble_operand): Adjust.
7845         (h8300_binary_length): Handle conditional binary op.
7846         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
7847         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
7848         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
7849         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
7850         constraints.  WU is introduced as a variant of U that requires a
7851         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
7852         * config/h8300/h8300.md (attr type): Added bitbranch.
7853         (attr length_table): Added bitfield and bitbranch.
7854         (attr length): Compute bitbranch length.
7855         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
7856         least-significant bit of a byte.
7857         (brabit, brabc, brabs): New.
7858         (insv, extzv): Emit bfst and bfld on H8300SX.
7859         (bfld, bfst, seq, sne): New.
7860         (bstzhireg, cmpstz, bstz, bistz): New.
7861         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
7862         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
7863         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
7864         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
7865         (h8sx_unary_memory_operator): New function.
7866         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
7867         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
7868         * config/h8300/h8300.md: Add peepholes to combine reloads and
7869         arithmetic insns.
7870         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7871         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
7872         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
7873         (and?i, ior?i, xor?i): Likewise.
7874         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
7875         * config/h8300/h8300.c: Move enums and prototypes to head of file.
7876         Various whitespace fixes.
7877         (h8300_constant_length): New function, split out from...
7878         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
7879         (h8300_classify_operand): Use IN_RANGE.
7880         (h8300_classify_operand): Use h8300_constant_length.
7881         (h8300_short_move_mem_p): Tighten size check.
7882         (h8sx_mergeable_memrefs_p): Tighten equality check.
7883         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
7884         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
7885         for -msx.
7886         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
7887         * config/h8300/crtn.asm: Likewise.
7888         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
7889         if __H8300SX__ is defined.
7890         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
7891         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
7892         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
7893         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
7894         addresses as mode-dependent.
7895         * config/h8300/h8300.c (print_operand_address): Update call to
7896         h8300_get_index.
7897         (h8300_get_index): Take a mode argument.  Rework to fix an
7898         earlier misunderstanding.
7899         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
7900         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
7901         into a register if TARGET_H8300SX.
7902         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
7903         TARGET_H8300SX.  Also disable related define_splits.
7904         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
7905         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
7906         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
7907         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7908         * config/h8300/h8300.h (OK_FOR_Z): New macro.
7909         (EXTRA_CONSTRAINT_STR): Check it.
7910         * config/h8300/h8300.c (h8300_classify_operand): Accept null
7911         class arguments.
7912         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
7913         * config/h8300/h8300.md (length_table): Add mov_imm4.
7914         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
7915         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
7916         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
7917         be a label.
7918         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
7919         * config/h8300/h8300.c (h8300_reorg): New function.
7920         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7921         * config/h8300/h8300.md (length): Subtract the length of the
7922         delay slot from (pc) when checking the range of forward branches.
7923         (delay_slot, can_delay): New attributes.
7924         (define_delay): Add bra/s handling.
7925         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
7926         (jump): Add delayed-branch handling.
7927         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
7928         * expr.c (expand_strcpy): New function.
7929         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
7930         (expand_builtin_stpcpy): Likewise.
7931         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
7932         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
7933         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
7934         handling to improve register allocation for -fno-omit-frame-pointer.
7935         (h8sx_split_movmd): Delete, moving er6 handling into...
7936         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
7937         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
7938         (movmd): Add calls to copy_rtx.
7939         (movmd_internal): In the second alternative, allow the initial and
7940         final destination registers to be different .  Update the splitter
7941         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
7942         instead of h8sx_split_movmd.
7943         (stpcpy, movsd): New expanders.
7944         (movsd_internal): New define_insn.
7945         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
7946         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
7947         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
7948         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
7949         and DESTINATION_REGS.
7950         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7951         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
7952         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
7953         (h8300_move_ratio): Declare.
7954         (MOVE_RATIO): Use it.
7955         * config/h8300/h8300.c (h8300_move_ratio): New variable.
7956         (h8300_init_once): Initialize it.
7957         (h8300_reg_class_from_letter): New function.
7958         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
7959         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
7960         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
7961         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
7962         (movstrsi, movmd): New expanders.
7963         (movmd_internal): New insn.
7964         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
7965         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
7966         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
7967         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
7968         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
7969         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7970         * config/h8300/h8300.c (nibble_operand): Fix warning.
7971         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
7972         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
7973         (movsf_h8300h): Disable for TARGET_H8300SX.
7974         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7975         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
7976         h8300_stm_parallel and h8300_return_parallel.
7977         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
7978         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
7979         h8300_stm_parallel, h8300_return_parallel): New functions.
7980         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
7981         if TARGET_H8300SX.  Use h8300_push_pop.
7982         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
7983         and final pop when generating h8sx code.  Always emit some form
7984         of return insn.
7985         * config/h8300/h8300.md: Don't enforce register alignment in
7986         stm peepholes if TARGET_H8300SX.
7987         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
7988         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
7989         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
7990         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7991         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
7992         (MULTILIB_DIRNAMES): Add a directory for it.
7993         (MULTILIB_MATCHES): Delete.
7994         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7995         * final.c (walk_alter_subreg): Handle addresses with subregs
7996         inside a ZERO_EXTEND or AND.
7997         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
7998         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
7999         if TARGET_H8300SX.
8000         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
8001         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
8002         @(dd,Rn.w) and @(dd,ERn.L).
8003         (h8300_displacement_size): Take the whole address as argument.
8004         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
8005         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
8006         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
8007         (h8sx_mergeable_memrefs_p): Declare.
8008         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
8009         (HAVE_PRE_INCREMENT): Likewise.
8010         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
8011         addresses for TARGET_H8300SX,
8012         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
8013         and POST_DEC.
8014         (movb_length_table, movl_length_table): New tables.
8015         (movw_length_table): Define to movb_length_table.
8016         (h8300_displacement_size): New, split out from...
8017         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
8018         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
8019         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
8020         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
8021         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
8022         (compute_plussi_length, compute_plussi_cc): Update accordingly.
8023         (h8sx_unary_shift_operator): Get the mode from the operator.
8024         (binary_shift_operator): Likewise.
8025         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
8026         a memory reference, check whether the reference is offsettable.
8027         (length_table): Add movb, movw and movl.
8028         (movqi): Add new h8sx pattern.  Don't force one operand to be a
8029         register when generating h8sx code.
8030         (movhi, movsi, movsf): Likewise.
8031         (movstrictqi): Use the length_table attribute.
8032         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
8033         (addqi3): Split into a define_expand and define_insn.  Don't accept
8034         memory operands in the expander.  Use h8300_operands_match_p to
8035         check for matching operands in the define_insn.
8036         (subqi3, negqi2, one_cmplqi2): Likewise.
8037         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
8038         in any patterns that are unused in h8sx code.  In the h8sx patterns,
8039         use h8300_operands_match_p to check whether operands match.
8040         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
8041         one_cmpl[hs]i3): Likewise.
8042         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
8043         in the expander.
8044         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
8045         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
8046         (h8300_insn_length_from_table): Add a second parameter.
8047         (output_h8sx_shift): Declare.
8048         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
8049         (EXTRA_CONSTRAINT): Replace with...
8050         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
8051         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
8052         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
8053         and h8sx_binary_shift_operator.
8054         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
8055         for TARGET_H8300SX.
8056         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
8057         (bit_memory_operand, fix_bit_operand): Likewise.
8058         (h8300_length_table_for_insn): Remove.
8059         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
8060         instructions.
8061         (h8300_short_immediate_length, h8300_binary_length): New functions.
8062         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
8063         (output_plussi): Use sub to add negative constants.
8064         (compute_plussi_length): Adjust accordingly.
8065         (h8sx_single_shift_type): New enum.
8066         (h8sx_single_shift, h8sx_unary_shift_operator,
8067         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
8068         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
8069         single h8sx instruction.  Return false in this case.
8070         * config/h8300/h8300.md (length_table): Add short_immediate.
8071         (length): Pass the operand array to h8300_insn_length_from_table.
8072         (adjust_length): Assume "no" for insns with a length_table attribute.
8073         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
8074         (*addhi3_h8300hs): Don't use for h8sx.
8075         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
8076         and sub.w #xx:3.
8077         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
8078         1's predicate to nonimmediate_operand.  Only skip default expansion
8079         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
8080         for single h8sx shift instructions.
8081         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
8082         * config/h8300/h8300.c (nibble_operand): Split out of...
8083         (reg_or_nibble_operand): ... this.
8084         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
8085         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
8086         umulhisi3): Introduce expand, and introduce separate insns for
8087         sign- or zero-extended REG and already-extended CONST_INT.
8088         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
8089         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
8090         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
8091         (subhi3): Likewise.  Don't accept immediates for operand 1.
8092         Remove the early clobber from second alternative of the h8300s pattern.
8093         (subsi3): Generalize for h8sx.  Force operand 2 into a register
8094         on plain h8300 targets.
8095         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
8096         (subsi3_h8300h): Generalize for h8sx.
8097         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
8098         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
8099         * config/h8300/h8300.c (reg_or_nibble_operand): New.
8100         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
8101         (TARGET_H8300SXMUL): New.
8102         (CONST_OK_FOR_P): New.
8103         (CONST_OK_FOR_LETTER_P): Adjust.
8104         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
8105         umulhisi3): Accept 4-bit immediate on H8SX.
8106         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
8107         (udivsi3, divhi3, udivsi3, divsi3): New.
8108         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
8109         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
8110         * config/h8300/h8300.h (OK_FOR_Q): New macro.
8111         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
8112         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
8113         Add ADDRESSOF to the bit_operand entry.
8114         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
8115         (h8300_src_operand): Likewise.
8116         (bit_operand): Check nonimmediate_operand rather than general_operand.
8117         Accept any nonimmediate_operand in h8sx code.
8118         (h8300_and_costs): Initialize operands[1].
8119         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
8120         (h8300_operand_class): New enum.
8121         (h8300_length_table): New typedef.
8122         (addb_length_table, addw_length_table, addl_length_table,
8123         logicl_length_table): New tables.
8124         (logicb_length_table, logicw_length_table): New macros.
8125         (h8300_classify_operand, h8300_length_from_table,
8126         h8300_length_table_for_insn, h8300_unary_length,
8127         h8300_insn_length_from_table): New functions.
8128         (output_plussi): Only use adds and subs for register destinations.
8129         Disable redundant clause.
8130         (compute_plussi_cc): Likewise.
8131         (compute_plussi_length): Likewise.  Use h8300_length_from_table
8132         to work out the length of an insn.
8133         (output_logical_op): Only use narrower immediate instructions
8134         if the destination is a register.
8135         (compute_logical_op_cc): Likewise.
8136         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
8137         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
8138         * config/h8300/h8300.md (length_table): New attribute.
8139         (length): When an instruction has a length_table attribute, use
8140         h8300_insn_length_from_table to calculate its default length.
8141         (cmpqi): Use h8300_dst_operand for the first operand and
8142         h8300_src_operand for the second.
8143         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
8144         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
8145         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
8146         iorsi3, xorhi3, xorsi3): Likewise.
8147         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
8148         so that it allows any combination of operands for TARGET_H8300SX.
8149         (iorqi3, xorqi3): Likewise.
8150         (cmpqi): Use the length_table attribute.
8151         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
8152         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
8153         (cmpqi): Add 'Q' constraint.
8154         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
8155         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
8156         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
8157         * config/h8300/h8300.h (MASK_H8300SX): New macro.
8158         (TARGET_H8300S): True for both -ms and -msx.
8159         (TARGET_H8300SX): New macro.
8160         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
8161         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
8162         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
8163         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
8164         [Temporary change.]
8165         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
8166         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
8167         16-bit pointers and 32-bit ints.
8168         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
8169         CONST_DOUBLE with mode no wider than SImode.
8170         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
8171         output operand.
8172         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
8173         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
8174         or SUBREG thereof.
8175         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
8176         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
8177         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
8178
8179 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8180
8181         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
8182
8183 2004-07-07  Per Bothner  <per@bothner.com>
8184
8185         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
8186
8187 2004-07-07  Mike Stump  <mrs@apple.com>
8188
8189         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
8190         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
8191         (machopic_finish): Likewise.
8192
8193 2004-07-07  Richard Henderson  <rth@redhat.com>
8194
8195         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
8196         through any value-preserving cast.
8197
8198 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8199
8200         * function.c (assign_parm_find_data_types): Call
8201         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
8202
8203 2004-07-07  Steven Bosscher  <stevenb@suse.de>
8204
8205         * tree-cfg.c (group_case_labels): Remove case labels that have
8206         the same target as the default case.
8207
8208 2004-07-07  Steven Bosscher  <stevenb@suse.de>
8209
8210         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
8211         regardless of DECL_LANG_SPECIFIC being present or not.
8212         * tree.h (DECL_NUM_STMTS): Purge.
8213
8214 2004-07-07  Andrew Pinski  <apinski@apple.com>
8215
8216         * configure: Regenerate with the right autoconf.
8217
8218 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
8219
8220         * ifcvt.c (total_bb_rtx_cost): New function.
8221         (find_if_case_1): Compare rtx_cost of basic block to cost of
8222         BRANCH_COST insns.
8223         (find_if_case_2): Same.
8224
8225 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8226
8227         PR target/10567
8228         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
8229         (output_return): Likewise.
8230         (output_sibcall): Abort if !flag_delayed_branch.
8231         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
8232         (emit_and_preserve): New function.
8233         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
8234         indirect jump to the thunked-to function if !flag_delayed_branch.
8235         * config/sparc/sparc.md (delayed_branch): New attribute.
8236         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
8237         attribute to compute the length of the insn.
8238         (goto_handler_and_restore): Likewise.
8239
8240 2004-07-07  Andrew Pinski  <apinski@apple.com>
8241
8242         PR tree-optimization/15777
8243         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
8244
8245         * expr.c (expand_expr_real_1): Fix formating.
8246         BUFFER_REF and IN_EXPR are dead.
8247         * fold-const.c (non_lvalue): BUFFER_REF is dead.
8248         * tree-inline.c (estimate_num_insns_1): Likewise.
8249         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
8250         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
8251         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
8252
8253 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
8254
8255         * collect2.c (dump_file): Don't call cplus_demangle if
8256         HAVE_LD_DEMANGLE is defined.
8257         (main): Pass "--demangle" to ld if no_demangle is not 0 and
8258         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
8259         if HAVE_LD_DEMANGLE is defined.
8260
8261         * configure.ac (--with-demangler-in-ld): Added
8262         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
8263         --with-demangler-in-ld is used.
8264         * config.in: Regenerated.
8265         * configure: Likewise.
8266
8267 2004-07-07  Roger Sayle  <roger@eyesopen.com>
8268
8269         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
8270         for simple floating point operations "fp", double precision
8271         multiplication "dmul", and single and double precision division
8272         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
8273         (ppc630_cost): New table split from ppc620_cost, to distinguish
8274         differences in floating point latencies.
8275         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
8276         (rs6000_rtx_costs): Add support for single and double precision
8277         floating point addition, subtraction, multiplication, division,
8278         fused-multiply-add, fused-multiply-sub, negation, absolute value
8279         and negative absolute value.  Tweak MEM case to use prefered idiom.
8280
8281 2004-07-07  Richard Henderson  <rth@redhat.com>
8282
8283         * tree-flow-inline.h (may_propagate_copy): Move...
8284         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
8285         attempt to copy between types requiring conversion.
8286         * tree-flow.h (may_propagate_copy): Update decl.
8287         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
8288
8289 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
8290
8291         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
8292         from -mtune= option.
8293
8294 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8295
8296         * builtins.c: Rename movstr*, except for movstrict*, to
8297         movmem* and clrstr* to clrmem*.
8298         * expr.c: Likewise.
8299         * expr.h: Likewise.
8300         * genopinit.c: Likewise.
8301         * integrate.c: Likewise.
8302         * local-alloc.c: Likewise.
8303         * optabs.c: Likewise.
8304         * optabs.h: Likewise.
8305         * config/alpha/alpha.h: Likewise.
8306         * config/alpha/alpha.md: Likewise.
8307         * config/arm/arm-protos.h: Likewise.
8308         * config/arm/arm.c: Likewise.
8309         * config/arm/arm.md: Likewise.
8310         * config/avr/avr.md: Likewise.
8311         * config/c4x/c4x.c: Likewise.
8312         * config/c4x/c4x.md: Likewise.
8313         * config/frv/frv.md: Likewise.
8314         * config/i386/i386-protos.h: Likewise.
8315         * config/i386/i386.c: Likewise.
8316         * config/i386/i386.h: Likewise.
8317         * config/i386/i386.md: Likewise.
8318         * config/i860/i860.c: Likewise.
8319         * config/i860/i860.md: Likewise.
8320         * config/ip2k/ip2k.md: Likewise.
8321         * config/ip2k/libgcc.S: Likewise.
8322         * config/ip2k/t-ip2k: Likewise.
8323         * config/m32r/m32r.c: Likewise.
8324         * config/m32r/m32r.md: Likewise.
8325         * config/mcore/mcore.md: Likewise.
8326         * config/mips/mips.c: Likewise.
8327         * config/mips/mips.md: Likewise.
8328         * config/ns32k/ns32k.c: Likewise.
8329         * config/ns32k/ns32k.h: Likewise.
8330         * config/ns32k/ns32k.md: Likewise.
8331         * config/pa/pa.c: Likewise.
8332         * config/pa/pa.md: Likewise.
8333         * config/pdp11/pdp11.h: Likewise.
8334         * config/pdp11/pdp11.md: Likewise.
8335         * config/rs6000/rs6000.c: Likewise.
8336         * config/rs6000/rs6000.md: Likewise.
8337         * config/s390/s390-protos.h: Likewise.
8338         * config/s390/s390.c: Likewise.
8339         * config/s390/s390.md: Likewise.
8340         * config/sh/lib1funcs.asm: Likewise.
8341         * config/sh/sh.c: Likewise.
8342         * config/sh/sh.md: Likewise.
8343         * config/sh/t-sh: Likewise.
8344         * config/sparc/sparc.h: Likewise.
8345         * config/vax/vax.md: Likewise.
8346         * config/xtensa/xtensa.c: Likewise.
8347         * config/xtensa/xtensa.md: Likewise.
8348         * doc/invoke.texi: Likewise.
8349         * doc/md.texi: Likewise.
8350         * doc/rtl.texi: Likewise.
8351
8352 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
8353
8354         PR target/16407
8355         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
8356         * config/mips/mips.c (mips_declare_common_object): New function,
8357         mostly split out from...
8358         (mips_output_aligned_decl_common): ...here.
8359         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
8360         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
8361         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
8362         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
8363
8364 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8365
8366         PR c/16392
8367         * function.c (assign_parms): Fix typo from previous change.
8368
8369 2004-07-07  Jason Merrill  <jason@redhat.com>
8370
8371         PR c++/15815
8372         * doc/extend.texi (C++ Interface): Correct information and
8373         discourage use.
8374
8375 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
8376
8377         PR target/16130
8378         PR target/16142
8379         PR target/16143
8380         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
8381         insn.
8382
8383 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8384
8385         PR target/1679.
8386         * config/m32r/m32r.c (m32r_function_symbol): New function:
8387         Generate a symbol name RTX with the correct m32r specific flags
8388         set.
8389         (block_move_call): Use new function to generate correct symbol.
8390         * config/m32r/m32r-protos.h: Add prototype for new funcion.
8391         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
8392         function.
8393
8394 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
8395
8396         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
8397         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
8398         TYPE_BINFO_BASETYPE): Remove.
8399         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
8400         to ...
8401         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
8402         here.
8403         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
8404         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
8405         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
8406         (struct tree_binfo): Rename base_types to base_binfos.
8407         * alias.c (record_component_aliases): Adjust BINFO macros.
8408         * dbxout.c (dbxout_type): Likewise.
8409         * dwarf2out.c (gen_member_die): Likewise.
8410         * sdbout.c (sdbout_one_type): Likewise.
8411         * tree-dump.c (deque_and_dump): Likewise.
8412         * config/i386/i386.c (classify_argument,
8413         contains_128bit_aligned_vector_p): Likewise.
8414
8415 2004-07-07  Nick Clifton  <nickc@redhat.com>
8416
8417         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
8418         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
8419
8420 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
8421
8422         * vec.h: Fix the example use.
8423
8424 2004-07-06  Richard Henderson  <rth@redhat.com>
8425
8426         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
8427         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
8428         * tree-inline.c (copy_body_r, setup_one_parameter,
8429         initialize_inlined_parameters, expand_call_inline,
8430         declare_inline_vars): Don't check it.
8431         (expand_calls_inline): Remove old version, rename new version
8432         from gimple_expand_calls_inline.
8433         * tree-optimize.c (execute_gimple): Remove.
8434         (pass_gimple): Don't run anything.
8435
8436 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
8437
8438         * doc/sourcebuild.texi: Use semicolons instead of commas in
8439         section title.
8440
8441 2004-07-06  Richard Henderson  <rth@redhat.com>
8442
8443         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
8444         (sra_walk_modify_expr, scan_init): Likewise.
8445         (generate_element_zero): Check visited before scanning children.
8446         (generate_element_init): Set visited on error.
8447         (scalarize_init): Handle generate_element_init failure similar
8448         to use_block_copy.
8449
8450 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
8451
8452         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
8453         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
8454
8455 2004-07-06  Richard Henderson  <rth@redhat.com>
8456
8457         * config/i386/i386.c (legitimize_pic_address): Make static.
8458         (legitimize_address): Handle CONST with TLS operand.
8459         (ix86_expand_move): Don't call legitimize_pic_address directly.
8460         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
8461
8462 2004-07-06  Roger Sayle  <roger@eyesopen.com>
8463
8464         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
8465         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
8466         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
8467         is currently executed unconditionally, i.e. not in "else_bb".
8468
8469 2004-07-06  Steven Bosscher  <stevenb@suse.de>
8470
8471         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
8472         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8473         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
8474         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8475         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
8476         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8477         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
8478         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8479         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
8480         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8481         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
8482         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8483         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
8484         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8485         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
8486         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8487
8488 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
8489
8490         * dojump.c (do_jump): REFERENCE_EXPR is dead.
8491         * expr.c (expand_expr_real_1): Ditto.
8492         * tree-inline.c (estimate_num_insns_1): Ditto.
8493         * tree-pretty-print.c (dump_generic_node): Ditto.
8494         (op_symbol): Ditto.
8495         * tree.def: Ditto.
8496
8497 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
8498
8499         * tree-ssa-pre.c (reference_node_pool): New pool.
8500         (find_or_generate_expression): Class 'r' is okay too.
8501         (create_value_expr_from): Ditto.
8502         (add_to_sets): LHS should not include vuses.
8503         (eliminate): Ditto.
8504         (compute_avail): Reverse ordering of tests.
8505         Valuize INDIRECT_REF as well.
8506
8507 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
8508
8509         PR rtl-optimization/16380
8510         * loop.c (check_dbra_loop): Sink comparison instructions if they
8511         do something other than set cc0.
8512
8513 2004-07-06  James E Wilson  <wilson@specifixinc.com>
8514
8515         * doc/interface.texi (longjmp and automatic variables): Delete
8516         paragraph recommending taking the address of a variable.
8517
8518 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
8519
8520         * vec.h (VEC_embedded_alloc): Remove.
8521         (VEC_embedded_size, VEC_embedded_init): New.
8522         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
8523         MEM_STAT_INFO.
8524         (VEC_truncate): New.
8525         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
8526         (vec_embedded_alloc): Remove.
8527         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
8528         (vec_embedded_alloc): Remove.
8529
8530 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
8531
8532         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
8533         (gt-langhooks.h): Remove.
8534
8535 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
8536
8537         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
8538
8539 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8540
8541         * config/sparc/sparc.c (get_pc_symbol): Rename into
8542         add_pc_to_pic_symbol.
8543         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
8544         (load_pic_register): Account for previous changes.
8545         Use reg_names.  Don't create the label twice.
8546         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
8547         UNSPEC_LOAD_PCREL_SYM.
8548         (get_pc): Rename into load_pcrel_sym.  Add predicate to
8549         operands.  Remove condition.
8550
8551 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
8552
8553         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
8554         RECORD, UNION & QUAL_UNION is actually a binfo.
8555
8556         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
8557         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
8558         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
8559         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
8560         * dwarf2out.c (add_data_member_location_attribute): Likewise.
8561         (gen_inheritance_die): Likewise.
8562         * tree-dump.c (deque_and_dump): Likewise.
8563         * doc/c-tree.texi (Binfos): Add under reconstruction note.
8564
8565 2004-07-06  Steven Bosscher  <stevenb@suse.de>
8566
8567         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
8568         Define.
8569         * config/mcore/mcore.md: Model memory latency with a simple DFA
8570         pipeline description instead of a define_function_unit.
8571
8572 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8573
8574         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
8575         * langhooks.h (var_mod_type_p): Likewise.
8576         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
8577         * expr.c (count_type_elements): Properly handle return from
8578         array_type_nelts and properly test for overflow.
8579         * gimplify.c (gimplify_init_constructor): Properly handle return
8580         from array_type_nelts.
8581         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
8582         * integrate.c (copy_decl_for_inlining): Correct comments.
8583         * tree-inline.c (remap_decl): Update comments, remove dead code,
8584         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
8585         (remap_type): Only remap if variably modified by vars in function
8586         being inlined.
8587         (copy_body_r): Use compatible_type langhooks to see when can fold.
8588         (setup_one_parameter): Don't remap type.
8589         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
8590         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
8591         compute TREE_INVARIANT for decl case.
8592         (find_var_from_fn): New function.
8593         (variably_modified_type_p): Add arg and call new function.
8594         * tree.h (variably_modified_type_p): Add extra arg.
8595
8596 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8597
8598         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
8599         (goto_handler_and_restore_v9): Delete disabled insn.
8600         (goto_handler_and_restore_v9_sp64): Likewise.
8601
8602 2004-07-05  Roger Sayle  <roger@eyesopen.com>
8603
8604         * calls.c (load_register_parameters): Call expand_shift instead
8605         of expand_binop with ashl_optab (or other shift optab) directly.
8606         * expr.c (emit_group_load, emit_group_store): Likewise.
8607         * function.c (assign_parm_setup_block): Likewise.
8608         * stmt.c (shift_return_value): Likewise.
8609
8610 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
8611
8612         * expr.c (expand_assignment): Disable the bitfield += optimizations.
8613
8614 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8615
8616         * doc/sourcebuild.texi: Revert previous patch.
8617
8618 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8619
8620         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
8621         TARGET_MEM_FUNCTIONS.
8622         * system.h: Poison TARGET_MEM_FUNCTIONS.
8623         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
8624         bcmp_libfunc, bzero_libfunc): Remove.
8625         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
8626         bzero_libfunc.
8627         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
8628         * doc/standards.texi: Don't mention calling BSD string functions.
8629         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
8630         * config/vax/t-memfuncs: New.
8631         * config/memcmp.c, config/memcpy.c, config/memmove.c,
8632         config/memset.c: New.
8633         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
8634         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
8635         vax/t-memfuncs.
8636         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
8637         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
8638         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
8639         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
8640         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
8641         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
8642         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
8643         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
8644         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
8645         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
8646
8647 2004-07-05  Richard Henderson  <rth@redhat.com>
8648
8649         * function.c (assign_parm_setup_reg): Properly rename variables in
8650         FUNCTION_ARG_CALLEE_COPIES section.
8651
8652 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
8653
8654         * tree-mudflap.c: Include cgraph.h.
8655         (mf_init_extern_trees): Rename to mudflap_init.  Export.
8656         Rewrite to create synthetic declarations instead of looking
8657         up declarations from mf-runtime.h.
8658         (mf_make_builtin, mf_make_cache_struct_type): New functions.
8659         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
8660         Correct commentary.
8661         (execute_mudflap_function_decls, mudflap_register_call):
8662         Don't call mf_init_extern_trees.
8663         (mudflap_finish_file): Use cgraph_build_static_cdtor.
8664
8665         * tree-mudflap.h: Update prototypes.
8666         * c-mudflap.c: Delete file.
8667         * c-common.c: Include tree-mudflap.h.
8668         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
8669         * Makefile.in: Remove all references to c-mudflap.o.
8670         Update dependencies.
8671
8672 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8673
8674         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
8675         displacements with the spatial-locality cache-control completer.
8676
8677 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
8678
8679         * langhooks.c: Don't include gt-langhooks.h.
8680         (var_labelno): Delete.
8681         (lhd_set_decl_assembler_name): Do not append a distinguishing
8682         number to file-scope internal-linkage declarations for the first
8683         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
8684         the declaration itself (if at block scope), or its containing
8685         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
8686         number.
8687
8688         * opts.c (cur_in_fname): New global.
8689         * opts.h: Declare it.
8690         * tree.c: Include opts.h.
8691         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
8692         DECL_UID equal to cur_in_fname.
8693         (copy_node_stat): Do not change DECL_UID when copying a
8694         TRANSLATION_UNIT_DECL.
8695         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
8696         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
8697
8698         * c-decl.c (c_static_assembler_name): Delete.
8699         * c-tree.h (c_static_assembler_name): Delete prototype.
8700         * c-lang.c, objc/objc-lang.c: Don't override
8701         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
8702
8703         * Makefile.in (tree.o): Update dependencies.
8704         (GTFILES): Remove langhooks.c.
8705
8706 2004-07-05  Roger Sayle  <roger@eyesopen.com>
8707
8708         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
8709         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
8710         Normalize "X % C" as "X % -C" for signed modulus and negative C.
8711         Optimize "X % -Y" as "X % Y" for signed modulus.
8712         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
8713         into "((unsigned) X % Y) == 0".
8714
8715 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8716
8717         * sourcebuild.texi (Config Fragments): Use @comma{} in
8718         cross-reference to section title.
8719
8720 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8721
8722         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
8723         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
8724         (gimplify_target_expr, gimplify_expr): Likewise.
8725         (copy_if_shared_r): No longer need special case for BIND_EXPR.
8726         (unshare_body, unvisit_body): Only look at nested if BODY_P is
8727         whole function.
8728         (gimplify_compound_lval): See if we can strip any useless conversion.
8729         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
8730         from RHS, not LHS.
8731         (gimplify_modify_expr_to_memset): Likewise.
8732         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
8733         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
8734         (declare_inline_vars): Likewise.
8735         (walk_type_fields): New function.
8736         (walk_tree): Use it.
8737         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
8738
8739         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
8740         (sra_walk_modify_expr): Allow init function to fail.
8741         (scan_init): Now returns bool.
8742         (generate_element_init): If can't understand INIT, return false.
8743         (scalarize_init): Return false if generate_element_init does.
8744
8745         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
8746         print bounds.
8747
8748         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
8749         bounds if bounds aren't constant.
8750
8751         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
8752
8753         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
8754         to type hooks; remove bogus PARAMS.
8755
8756 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
8757
8758         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
8759         * dwarf2out.c (add_data_member_location_attribute): Check for
8760         TREE_BINFO.
8761         * tree.c (tree_node_kinds): Add "binfos".
8762         (binfo_lang_slots): New.
8763         (make_node_stat): Add TREE_BINFO.
8764         (make_tree_binfo_stat): New.
8765         (tree_node_structure): Add TREE_BINFO.
8766         * tree.def (TREE_BINFO): New.
8767         * tree.h (REC_OR_UNION_CHECK): Rename to ...
8768         (RECORD_OR_UNION_CHECK): ... here.
8769         (NOT_RECORD_OR_UNION_CHECK): New.
8770         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
8771         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
8772         RECORD_OR_UNION_CHECK.
8773         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
8774         (TYPE_LANG_SLOT_1): New.
8775         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
8776         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
8777         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
8778         (BINFO_ELTS): Remove.
8779         (BINFO_LANG_SLOT): New.
8780         (struct tree_binfo): New.
8781         (binfo_lang_slots): Declare.
8782         (enum tree_node_structure_enum): Add TS_BINFO.
8783         (union tree_node): Add binfo.
8784         (make_tree_binfo_stat): Declare.
8785         (make_tree_binfo): New.
8786         (enum tree_node_kind): Add binfo_kind.
8787
8788         * objc/objc-act.c (start_class, objc_declare_protocols,
8789         start_protocols): Use TYPE_LANG_SLOT_1.
8790         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
8791         to ...
8792         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
8793         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
8794         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
8795         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
8796
8797 2004-07-05  Steven Bosscher  <stevenb@suse.de>
8798
8799         * rtl.h (struct rtx_def): Remove the integrated flag.
8800         Use the return_val flag for MEM_SCALAR_P.
8801         Reshuffle and update flags in CLEAR_RTX_FLAGS.
8802
8803 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
8804
8805         PR target/16357
8806         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
8807         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
8808         move_by_pieces.
8809
8810 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
8811
8812         * var-tracking.c: Fix some comments.
8813         (frame_stack_adjust): New.
8814         (vt_stack_adjustments): Init stack_adjust of entry block to
8815         minus stack adjustment of function prologue.
8816         (adjust_stack_reference): Do not adjust if adjustment == 0.
8817         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
8818         (emit_notes_in_bb): Likewise.
8819         (vt_add_function_parameters): Do not adjust locations of
8820         function arguments.
8821         (vt_initialize): Compute the stack adjustment of function
8822         prologue and offset the initial "location" of frame_base_decl
8823         from the stack pointer after prologue.
8824
8825 2004-07-04  Richard Henderson  <rth@redhat.com>
8826
8827         * function.c (struct assign_parm_data_all): New.
8828         (struct assign_parm_data_one): New.
8829         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
8830         assign_parm_find_data_types, assign_parms_setup_varargs,
8831         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
8832         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
8833         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
8834         assign_parm_setup_block, assign_parm_setup_reg,
8835         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
8836         (assign_parms): ... here.
8837
8838 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
8839
8840         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
8841         now are bitmap_set_t's.
8842         (bitmap_insert_into_set): No point in inserting the value if
8843         it's invariant.
8844         (bitmap_set_contains): New function.
8845         (bitmap_set_replace_value): Add comment on why we do it
8846         this way.
8847         (set_contains): Removed.
8848         (bitmap_set_subtract_from_value_set): New name of
8849         set_subtract now that it's arguments are two different
8850         types of sets.
8851         Update callers.
8852         (bitmap_find_leader): Change algorithm used.
8853         (find_or_generate_expression): Update use of functions for new
8854         bitmap sets.
8855         (create_expression_by_pieces): Ditto.
8856         (insert_aux): Ditto.
8857         (insert): Ditto.
8858         (add_to_sets): Ditto.
8859         (init_pre): Ditto.
8860         (execute_pre): Ditto.
8861         (compute_avail): Ditto.
8862         Also ignore virtual phis.
8863
8864 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8865
8866         * combine.c (simplify_comparison): Fix comment typo.
8867
8868 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8869
8870         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
8871         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
8872         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
8873         (output_restore): Change parameter from 'insn' to 'pat'.
8874         (output_return): Adjust call to output_restore.
8875         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
8876         Adjust call to output_restore.
8877
8878 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8879
8880         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
8881         and assert system is bsd.
8882
8883 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
8884
8885         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
8886         (TARGET_SWITCHES): Remove -mdebugc.
8887         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8888         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
8889         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
8890         (sle_[sd]i_reg): Delete.
8891
8892 2004-07-04  Steven Bosscher  <stevenb@suse.de>
8893
8894         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
8895         Define.
8896         * config/iq2000/iq2000.md: Translate old pipeline description to an
8897         equivalent new one.
8898
8899 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8900
8901         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
8902         Ensure the replacement rhs is valid gimple before performing
8903         the substitution.  Return false if these sanity checks fail.
8904         (fold_stmt): Only set changed to true, if set_rhs returns true.
8905         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
8906         succeeds.
8907
8908 2004-07-04  Richard Henderson  <rth@redhat.com>
8909
8910         PR c/16348
8911         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
8912
8913 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
8914
8915         * configure.ac (ranlib_flags): New variable.
8916         * Makefile.in (RANLIB_FLAGS): New variable.
8917         (libbackend.a): Use it.
8918         * configure: Regenerated.
8919
8920 2004-07-04  Roger Sayle  <roger@eyesopen.com>
8921
8922         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
8923         a "sign mask" instead of using ashr_optab directly.
8924
8925 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
8926
8927         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
8928         * doc/cppopts.texi: Clarify processing of command-line defines.
8929
8930 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
8931
8932         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
8933
8934 2004-07-04  Richard Henderson  <rth@redhat.com>
8935
8936         * rtl.def (ADDRESSOF): Remove.
8937         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
8938         (find_base_term, memrefs_conflict_p): Likewise.
8939         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
8940         (fold_rtx, cse_insn, set_live_p): Likewise.
8941         * dwarf2out.c (mem_loc_descriptor): Likewise.
8942         (add_location_or_const_value_attribute): Likewise.
8943         * emit-rtl.c (copy_insn_1): Likewise.
8944         * explow.c (memory_address): Likewise.
8945         * expmed.c (store_split_bit_field): Likewise.
8946         * expr.c (expand_expr_real_1): Likewise.
8947         * function.c (instantiate_decl
8948         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
8949         * genrecog.c (preds, validate_pattern): Likewise.
8950         * integrate.c (copy_rtx_and_substitute): Likewise.
8951         * recog.c (general_operand, register_operand): Likewise.
8952         (memory_address_p): Likwise.
8953         * reload1.c (eliminate_regs, elimination_effects): Likewise.
8954         * rtl.c (copy_rtx): Likewise.
8955         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8956         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
8957         * rtlhooks.c (gen_lowpart_general): Likewise.
8958         * stmt.c (expand_asm_operands): Likewise.
8959         * web.c (entry_register, replace_ref, web_main): Likewise.
8960         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
8961         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8962         * config/arm/arm.c (thumb_rtx_costs): Likewise.
8963         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
8964         * config/frv/frv.c (move_destination_operand, move_source_operand,
8965         condexec_dest_operand, condexec_source_operand,
8966         condexec_memory_operand): Likewise.
8967         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
8968         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
8969         (destination_xfmode_operand): Likewise.
8970         * config/mips/mips.h (PREDICATE_CODES): Likewise.
8971         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
8972         * config/s390/s390.c (general_s_operand): Likewise.
8973         * config/s390/s390.md (mov*): Likewise.
8974         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
8975
8976         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
8977         * expr.c (expand_expr_real_1): Likewise.
8978         * stmt.c (expand_decl): Likewise.
8979         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8980
8981         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
8982         postponed_insns, put_var_into_stack, put_reg_into_stack,
8983         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
8984         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
8985         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
8986         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
8987         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
8988         purge_bitfield_addressof_replacements, purge_addressof_replacements,
8989         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
8990         struct insns_for_mem_walk_info, insns_for_mem_walk,
8991         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
8992         setjmp_protect_args): Remove.
8993         (push_function_context_to): Don't handle var_refs_queue.
8994         (pop_function_context_from, free_after_compilation): Likewise.
8995         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
8996         (assign_parms, allocate_struct_function): Likewise.
8997         (use_register_for_decl): New.
8998         (expand_function_end): Don't setjmp_protect.
8999         * function.h (struct emit_status): Update commentary.
9000         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
9001         (max_parm_reg, parm_reg_stack_loc): Remove.
9002         * passes.c (DFI_addressof): Remove.
9003         (dump_file_info): Remove addressof.
9004         (rest_of_handle_addressof): Remove.
9005         (rest_of_compilation): Don't call it.
9006         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
9007         * stmt.c (expand_decl): Use use_register_for_decl.
9008         * tree.h: Update decls.
9009         * web.c (mark_addressof): Remove.
9010         * doc/invoke.texi (-dF): Remove.
9011
9012 2004-07-03  Richard Henderson  <rth@redhat.com>
9013
9014         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
9015         instead of gen_mem_addressof.
9016         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
9017         TImode output register.
9018
9019 2004-07-03  Richard Henderson  <rth@redhat.com>
9020
9021         PR tree-optimization/16341
9022         * tree-sra.c (sra_walk_function): Increment to next stmt before
9023         processing the current stmt.
9024         (sra_insert_after): Always use BSI_SAME_STMT.
9025
9026 2004-07-03  Richard Henderson  <rth@redhat.com>
9027
9028         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
9029         fp plus with minus.
9030
9031 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
9032
9033         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
9034         with tree_int_cst_equal.
9035
9036 2004-07-03  Andreas Schwab  <schwab@suse.de>
9037
9038         * config/ia64/ia64.md: Define new attribute "empty".
9039         (prologue_use, nop_x, insn_group_barrier): Set it.
9040
9041         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
9042         skip over "empty" insns.
9043
9044 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9045
9046         * tree-inline.c (initialize_inlined_parameters): Pass proper function
9047         context to gimplify_body.
9048         (walk_tree): Don't walk into types twice.
9049         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
9050
9051         * tree-sra.c (generate_element_init): Remove any useless conversions.
9052
9053         * gimplify.c (gimplify_conversion): Remove stripping useless
9054         conversions from here.
9055         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
9056         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
9057         Unshare before substituting PLACEHOLDER_EXPR.
9058         (gimplify_modify_expr_to_memset): Likewise.
9059         Pass address of TO to memset, not TO itself.
9060         (gimplify_init_constructor): Make copy of OBJECT so we have it each
9061         time we make an expression (to match a PLACEHOLDER_EXPR).
9062
9063         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
9064         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
9065         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
9066         * tree-ssa-dom.c (local_fold): Likewise.
9067
9068         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
9069         * langhooks.h (strct lang_hooks): New field type_max_size.
9070         * function.c (assign_temp): Call it.
9071
9072 2004-07-03  Steven Bosscher  <stevenb@suse.de>
9073
9074         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
9075         * config/sh/sh.md: Convert the SH1 pipeline description to
9076         a DFA model.
9077
9078 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
9079
9080         * c-decl.c (struct c_binding): Remove contour field; add
9081         depth, invisible, nested fields.
9082         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
9083         (B_IN_EXTERNAL_SCOPE): New convenience macros.
9084         (bind): Add invisible and nested arguments. Initialize
9085         new fields of struct c_binding; adjust loop scanning for
9086         insertion point.
9087         (free_binding_and_advance): Clear structure with memset.
9088         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
9089         in file scope, even if it's in external scope too.
9090         (pushdecl): Adjust to match.  Create invisible file-scope
9091         declarations for block-scope forward declarations of static functions.
9092         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
9093         (undeclared_variable, lookup_label, declare_label, define_label)
9094         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
9095         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
9096         (store_parm_decls_oldstyle): Adjust to match.
9097         (diagnose_mismatched_decls): Correct handling of linkage clashes.
9098         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
9099
9100         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
9101         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
9102
9103 2004-07-02  Richard Henderson  <rth@redhat.com>
9104
9105         * c-decl.c (grokdeclarator): Don't frob current_function_decl
9106         around variable_size.
9107         (set_decl_nonlocal): Remove.
9108         (store_parm_decls): Add stmts for pending sizes.
9109         * calls.c (calls_function, calls_function_1): Remove.
9110         (precompute_arguments): Don't call it.
9111         * cfgexpand.c (set_save_expr_context): Remove.
9112         (tree_expand_cfg): Don't call it.
9113         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
9114         (dwarf2out_finish): Likewise.
9115         * expr.c (emit_block_move): Adjust addresses to BLKmode.
9116         (store_constructor): Don't pre-evaluate SAVE_EXPR.
9117         (safe_from_p): Don't queue SAVE_EXPRs.
9118         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
9119         or build plain VAR_DECLs.
9120         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
9121         (fold): Likewise.
9122         (fold_checksum_tree): Don't special-case SAVE_EXPR.
9123         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
9124         (put_var_into_stack): Don't handle SAVE_EXPR.
9125         (gen_mem_addressof): Likewise.
9126         * function.h (struct function): Remove x_save_expr_regs.
9127         (save_expr_regs): Remove.
9128         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
9129         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
9130         * stor-layout.c (variable_size): Don't set it.
9131         (force_type_save_exprs, force_type_save_exprs_1): Remove.
9132         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
9133         all callers.  Don't set SAVE_EXPR_CONTEXT.
9134         * tree-inline.h (remap_save_expr): Update decl.
9135         * tree.c (save_expr): Update build size.
9136         (first_rtl_op): Don't handle SAVE_EXPR.
9137         (unsave_expr_1, contains_placeholder_p): Likewise.
9138         (decl_function_context): Likewise.
9139         * tree.def (SAVE_EXPR): Remove args 1 and 2.
9140         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
9141         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
9142
9143 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
9144
9145         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
9146         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
9147         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
9148         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
9149         some first-person references and patronizing comments.  Based on
9150         printed manual.
9151         * doc/invoke.texi: Don't reference fortran@gnu.org.
9152         * doc/trouble.texi (Warning when a non-void function value is
9153         ignored): Rewrite.  From Russ Allbery and Chris Devers.
9154
9155 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
9156
9157         * tree-ssa-pre.c (bitmap_set_t): New.
9158         (bb_value_sets): avail_out is now a bitmap_set_t.
9159         (bitmap_find_leader): New function.
9160         (bitmap_value_insert_into_set): Ditto.
9161         (bitmap_set_copy): Ditto.
9162         (bitmap_value_replace_in_set): Ditto.
9163         (bitmap_set_contains_value): Ditto.
9164         (bitmap_set_new): Ditto.
9165         (bitmap_set_pool): New pool.
9166         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
9167         (insert_aux): Ditto.
9168         (add_to_sets): Ditto.
9169         (compute_avail): Ditto
9170         (eliminate): Ditto.
9171         (init_pre): Ditto.
9172         (fini_pre): Ditto.
9173         (execute_pre): Ditto.
9174
9175 2004-07-02  Roger Sayle  <roger@eyesopen.com>
9176
9177         * config/rs6000/rs6000.c (struct processor_costs): New structure
9178         used to hold instruction latencies/sizes for processor types.
9179         (rs6000_cost): New global variable pointing to current CPU's costs.
9180         (rs6000_override_options): Initialize rs6000_cost to point to the
9181         appropriate cost table based upon rs6000_cpu and optimize_size.
9182         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
9183         timings inline.
9184
9185 2004-07-02  Richard Henderson  <rth@redhat.com>
9186
9187         * expmed.c (make_tree): Don't use SET_DECL_RTL.
9188
9189 2004-07-02  Steven Bosscher  <stevenb@suse.de>
9190
9191         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
9192
9193 2004-07-01  Richard Henderson  <rth@redhat.com>
9194
9195         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
9196         (alpha_gp_save_rtx): Use assign_stack_local instead of
9197         gen_mem_addressof.
9198
9199 2004-07-01  Richard Henderson  <rth@redhat.com>
9200
9201         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
9202         (alpha_rtx_cost_data): Update to match.
9203         (alpha_rtx_cost_size): New.
9204         (alpha_rtx_costs): Honor optimize_size.
9205
9206 2004-07-01  Richard Henderson  <rth@redhat.com>
9207
9208         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
9209         * cfgexpand.c (tree_expand_cfg): Do it here.
9210         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
9211         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
9212         * config/mips/mips.c (mips_output_mi_thunk): And here.
9213         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
9214         * config/sh/sh.c (sh_output_mi_thunk): And here.
9215         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
9216
9217 2004-07-01  Richard Henderson  <rth@redhat.com>
9218
9219         * tree.def (RTL_EXPR): Remove.
9220         * c-typeck.c (lvalue_p): Don't handle it.
9221         * expr.c (safe_from_p): Likewise.
9222         (expand_expr_real_1): Likewise.
9223         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
9224         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
9225         * gengtype.c (adjust_field_tree_exp): Likewise.
9226         * stmt.c (warn_if_unused_value): Likewise.
9227         * tree-gimple.c (recalculate_side_effects): Likewise.
9228         * tree-pretty-print.c (dump_generic_node): Likewise.
9229         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
9230         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
9231         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
9232
9233         * stmt.c (struct stmt_status): Remove x_last_expr_type,
9234         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
9235         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
9236         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
9237         all the bits that tracked last_expr.
9238         (expand_end_bindings): Don't track last_expr.
9239         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
9240         (clear_last_expr): Remove.
9241         (expand_asm): Don't call it.
9242         (expand_asm_operands, expand_end_cond): Likewise.
9243         (expand_naked_return, expand_null_return_1): Likewise.
9244         * c-typeck.c (c_begin_compound_stmt): Likewise.
9245         * cfgexpand.c (expand_block): Use expand_expr_stmt.
9246         * expr.c (expand_expr_real_1): Likewise.
9247         * tree.h: Update prototypes.
9248
9249         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
9250         (struct emit_status): Remove sequence_rtl_expr.
9251         (struct function): Remove x_rtl_expr_chain.
9252         (seq_rtl_expr, rtl_expr_chain): Remove.
9253         * function.c (struct temp_slot): Remove rtl_expr.
9254         (assign_stack_temp_for_type): Don't set it.
9255         (free_temp_slots, pop_temp_slots): Don't check it.
9256         (free_after_compilation): Don't clear x_rtl_expr_chain.
9257         (fixup_var_refs): Don't search it.
9258         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
9259         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
9260         or seq_rtl_expr.
9261         (push_topmost_sequence): Likewise.
9262         (end_sequence, init_emit): Likewise.
9263         (start_sequence_for_rtl_expr): Remove.
9264         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
9265         * rtl.h (preserve_rtl_expr_result): Remove.
9266
9267 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
9268
9269         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
9270         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
9271         typos.
9272
9273 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9274
9275         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
9276         (STANDARD_STARTFILE_PREFIX_2): Define.
9277         (standard_startfile_prefix_1): Initialize to
9278         STANDARD_STARTFILE_PREFIX_1.
9279         (standard_startfile_prefix_2): Initialize to
9280         STANDARD_STARTFILE_PREFIX_2.
9281         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
9282         (STANDARD_STARTFILE_PREFIX_1): Define.
9283         (STANDARD_STARTFILE_PREFIX_2): Define.
9284         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
9285         (STANDARD_STARTFILE_PREFIX_2): Document.
9286
9287 2004-07-01  Richard Henderson  <rth@redhat.com>
9288
9289         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
9290         in order to disable scalarization.  Instead set a flag and wait
9291         for a candidate decl.
9292
9293 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
9294
9295         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
9296         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
9297         Use terminology "testsuite" and "enumerated".
9298
9299 2004-07-01  Richard Henderson  <rth@redhat.com>
9300
9301         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
9302         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
9303         (initial_return_save): Likewise.
9304         (flush_queued_reg_saves): Remap register numbers.
9305         (dwarf2out_return_reg): Likewise.
9306
9307 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9308
9309         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
9310
9311         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
9312         access functions for lower bound and element size and only output
9313         if lower bound nonzero or element size not same as that of type.
9314         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
9315
9316 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9317
9318         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
9319
9320 2004-07-01  Per Bothner  <per@bothner.com>
9321
9322         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
9323
9324 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
9325
9326         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
9327         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
9328         first operand.  Don't optimize if the bitfield is volatile.
9329
9330 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9331
9332         * c-pretty-print.c (pp_c_postfix_expression): Handle
9333         floating-point comparison operators.
9334         (pp_c_expression): Pass floating-point comparison
9335         operators to pp_c_postfix_expression.
9336
9337 2004-07-01  Roger Sayle  <roger@eyesopen.com>
9338
9339         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
9340         rtx_cost instead of "had_mult" to determine whether the transformed
9341         expression is cheaper than the original.
9342
9343 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
9344
9345         * alias.c (get_alias_set, canon_rtx, get_addr,
9346         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
9347         Use MEM_P.
9348         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
9349         expand_builtin): Likewise.
9350         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
9351         Likewise.
9352         * combine.c (can_combine_p, combinable_i3pat, try_combine,
9353         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
9354         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
9355         record_dead_and_set_regs_1, get_last_value_validate,
9356         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
9357         * cse.c (check_dependence, canon_hash, equiv_constant,
9358         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
9359         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
9360         count_reg_usage): Likewise.
9361         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
9362         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
9363         cselib_record_sets): Likewise.
9364         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
9365         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
9366         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
9367         * df.c (df_uses_record): Likewise.
9368         * dojump (do_jump): Likewise.
9369         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
9370         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
9371         decl_start_label): Likewise.
9372         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
9373         operand_subword, change_address_1, make_safe_from): Likewise.
9374         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
9375         stabilize, force_not_mem): Likewise.
9376         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
9377         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
9378         * expr.c (convert_move, convert_modes, emit_block_move,
9379         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
9380         emit_move_insn_1, expand_assignment, store_expr,
9381         store_constructor_field, store_constructor, store_field,
9382         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
9383         Likewise.
9384         * final.c (cleanup_subreg_operands, alter_subreg,
9385         get_mem_expr_from_op): Likewise.
9386         * flow.c (notice_stack_pointer_modification_1,
9387         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
9388         Likewise.
9389         * function.c (mark_temp_addr_taken, preserve_temp_slots,
9390         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
9391         optimize_bit_field, flush_addressof, purge_addressof_1,
9392         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
9393         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
9394         keep_stack_depressed): Likewise.
9395         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
9396         noce_process_if_block, find_memory): Likewise.
9397         * integrate.c (subst_constants, allocate_initial_values): Likewise.
9398         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
9399         update_equiv_regs): Likewise.
9400         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
9401         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
9402         * optabs.c (expand_abs, emit_unop_insn): Likewise.
9403         * passes.c (rest_of_handle_final): Likewise.
9404         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
9405         move2add_note_store): Likewise.
9406         * ra-build.c (detect_remat_webs): Likewise.
9407         * ra-debug.c (dump_static_insn_cost): Likewise.
9408         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
9409         * recog.c (validate_change, apply_change_group, cancel_changes,
9410         validate_replace_rtx_1, general_operand, register_operand,
9411         nonmemory_operand, push_operand, pop_operand, memory_operand,
9412         indirect_operand, asm_operand_ok, offsettable_memref_p,
9413         offsettable_nonstrict_memref_p, constrain_operands,
9414         store_data_bypass_p): Likewise.
9415         * reg-stack.c (subst_stack_regs_pat): Likewise.
9416         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
9417         copy_cost, reg_scan_mark_refs): Likewise.
9418         * regmove.c (optimize_reg_copy_3, stack_memref_p,
9419         combine_stack_adjustments_for_block): Likewise.
9420         * regrename.c (copyprop_hardreg_forward_1): Likewise.
9421         * reload.c (can_reload_into, push_reload, decompose, immune_p,
9422         find_reloads, find_reloads_address, find_reloads_address_1,
9423         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
9424         find_equiv_reg): Likewise.
9425         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
9426         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
9427         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
9428         delete_address_reloads): Likewise.
9429         * resource.c (mark_referenced_resources): Likewise.
9430         * rtlanal.c (get_jump_table_offset, count_occurrences,
9431         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
9432         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
9433         num_sign_bit_copies1): Likewise.
9434         * rtlhooks.c (gen_lowpart_general): Likewise.
9435         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
9436         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
9437         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
9438         sdbout_global_decl): Likewise.
9439         * simplify-rtx.c (simplify_subreg): Likewise.
9440         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
9441         expand_anon_union_decl, expand_end_case_type): Likewise.
9442         * unroll.c (calculate_giv_inc): Likewise.
9443         * var-tracking.c (stack_adjust_offset_pre_post,
9444         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
9445         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
9446         vt_add_function_parameters): Likewise.
9447         * varasm.c (make_var_volatile, notice_global_symbol,
9448         assemble_external, decode_addr_const, mark_weak,
9449         default_encode_section_info): Likewise.
9450
9451 2004-07-01  Steven Bosscher  <stevenb@suse.de>
9452
9453         * stmt.c (check_seenlabel): Remove.
9454         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
9455
9456 2004-07-01  Richard Henderson  <rth@redhat.com>
9457
9458         * function.h (struct function): Remove x_function_call_count.
9459         (function_call_count): Remove.
9460         * calls.c (expand_call): Don't set it.
9461         * integrate.c (copy_rtx_and_substitute): Likewise.
9462
9463         * function.h (struct function): Remove x_cleanup_label.
9464         (cleanup_label): Remove.
9465         * stmt.c (expand_value_return): Don't use it.
9466         * function.c (free_after_compilation): Don't set it.
9467         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
9468         * cfgexpand.c (tree_expand_cfg): Update call.
9469         * tree.h (expand_function_start): Update decl.
9470
9471 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
9472
9473         PR c/1027
9474         * c-lang.c (c_initialize_diagnostics): Move from here ...
9475         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
9476         (c_tree_printer): Use pretty-printer to format %T.
9477         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
9478         before '*' if not C++.
9479         (pp_c_direct_abstract_declarator): Don't try to print array upper
9480         bound for flexible array members.
9481         * c-tree.h: Include "diagnostic.h".
9482         (c_initialize_diagnostics): Declare.
9483         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
9484         * c-format.c (format_type_warning): New function.  Improve
9485         diagnostics for incorrect format argument types.
9486         (check_format_types): Use it.  Add two parameters.  Use the
9487         TYPE_MAIN_VARIANT of wanted_type.
9488         (check_format_info_main): Pass new parameters to
9489         check_format_types.
9490         (struct format_wanted_type): Update comment.
9491
9492 2004-07-01  Nick Clifton  <nickc@redhat.com>
9493
9494         * target.h (struct gcc_target): Add new field to struct cxx:
9495         import_export_class.
9496         * target-def.h (TARGET_CXX): Initialise the new field.
9497         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
9498         the new field.
9499         * doc/tm.texi: Document the new target hook.
9500
9501 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9502
9503         * builtins.c (fold_builtin_classify): Fix typo.
9504
9505 2004-07-01  Richard Henderson  <rth@redhat.com>
9506
9507         * function.c (identify_blocks, identify_blocks_1): Remove.
9508         * function.h (identify_blocks): Remove.
9509         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
9510
9511 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9512
9513         * builtins.c (fold_builtin_classify): New.
9514         (fold_builtin_unordered_cmp): Fix commentary.
9515         (fold_builtin): Use it.
9516         * builtins.def: Define builtins for isnan,
9517         isnanf, isnanl, finite, finitef, finitel,
9518         isinf, isinff, isinfl.
9519
9520 2004-07-01  Richard Henderson  <rth@redhat.com>
9521
9522         * function.h (struct function): Remove dont_emit_block_notes.
9523         * gimple-low.c (lower_function_body): Don't set it.
9524         * cfgexpand.c (expand_block): Don't check it.
9525         * cfglayout.c (insn_locators_initialize): Likewise.
9526         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
9527         * passes.c (rest_of_compilation): Likewise.
9528         * stmt.c (expand_start_bindings_and_block): Likewise.
9529         (expand_end_bindings): Likewise.
9530
9531 2004-07-01  Richard Henderson  <rth@redhat.com>
9532
9533         * cgraph.h (cgraph_build_static_cdtor): Declare.
9534         * cgraphunit.c (cgraph_build_static_cdtor): New.
9535         * c-objc-common.c (build_cdtor): Use it.
9536         * coverage.c (create_coverage): Likewise.
9537         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
9538         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
9539
9540 See ChangeLog.11 for earlier changes.