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