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