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1 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2
3         * basic-block.h (BB_SET_PARTITION): Clear old value first.
4         * cfg.c (clear_bb_flags): Don't clear partition setting.
5         * ifcvt.c (find_if_case_1): Remove ??? comment.
6
7 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
8
9         PR target/17052
10         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
11         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12         current_function_stdarg in place of sysv_varargs_p.
13         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
14         sysv_varargs_p.
15
16 2004-08-24  Richard Henderson  <rth@redhat.com>
17
18         PR target/16298
19         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
20         random codes within CONST.
21
22 2004-08-24  James E Wilson  <wilson@specifixinc.com>
23
24         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
25         -freorder-blocks-and-partition.
26
27 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28
29         PR middle-end/17044
30         * tree-ssa-threadupdate.c (redirection_data): Make static.
31         (thread_block): Use ggc_alloc_cleared to allocate struct
32         redirection_data.  Don't free elements in redirection_data.
33
34 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
35
36         * config/mips/predicates.md (small_data_pattern): Match prefetches.
37
38 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
39
40         PR tree-optimization/17016
41         * tree-ssa-loop-niter.c (number_of_iterations_cond,
42         number_of_iterations_exit): Use POINTER_TYPE_P instead
43         of testing for POINTER_TYPE.
44
45 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
46
47         * tree-ssa-loop-ivcanon.c: New file.
48         * tree-ssa-loop-manip.c (create_iv): New function.
49         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
50         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
51         * cfgloop.c (mark_single_exit_loops): New function.
52         (verify_loop_structure): Verify single-exit loops.
53         * cfgloop.h (struct loop): Add single_exit field.
54         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
55         (mark_single_exit_loops): Declare.
56         (tree_num_loop_insns): Declare.
57         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
58         (duplicate_loop_to_header_edge): Use it.
59         * common.opt (fivcanon): New flag.
60         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
61         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
62         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
63         (bsi_insert_on_edge_immediate): New function.
64         * tree-flow.h (bsi_insert_on_edge_immediate,
65         canonicalize_induction_variables, tree_unroll_loops_completely,
66         create_iv): Declare.
67         * tree-optimize.c (init_tree_optimization_passes): Add
68         pass_iv_canon and pass_complete_unroll.
69         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
70         * tree-scalar-evolution.c (get_loop_exit_condition,
71         get_exit_conditions_rec, number_of_iterations_in_loop,
72         scev_initialize): Use single_exit information.
73         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
74         missing assumptions.
75         (loop_niter_by_eval):  Return number of iterations as unsigned
76         int.
77         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
78         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
79         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
80         New passes.
81         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
82         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
83         the defining statement is ready.
84         * tree-vectorizer.c (vect_create_iv_simple): Removed.
85         (vect_create_index_for_array_ref, vect_transform_loop_bound):
86         Use create_iv.
87         (vect_transform_loop_bound): Use single_exit information.
88         (vect_analyze_loop_form): Cleanup bogus tests.
89         (vectorize_loops): Do not call flow_loop_scan.
90         * tree.h (may_negate_without_overflow_p): Declare.
91         * fold-const.c (may_negate_without_overflow_p): Split out from ...
92         (negate_expr_p): ... this function.
93         (tree_expr_nonzero_p): Handle overflowed constants correctly.
94         * doc/invoke.texi (-fivcanon): Document.
95         * doc/passes.texi: Document canonical induction variable creation.
96
97 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
98
99         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
100         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
101         using the mode of the operand to decide between them.
102         * config/mips/mips.md (MOVECC): New mode macro.
103         (ccreg): New mode attribute.
104         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
105         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
106         (mov[sd]icc): Redefine using :GPR.
107
108 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
109
110         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
111         (mips_prefetch_cookie): New function.
112         * config/mips/mips.c (print_operand_address): Fix handling of
113         ADDRESS_CONST_INT.
114         (mips_emit_prefetch): Delete.
115         (mips_prefetch_cookie): New function.
116         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
117         mode of QImode for the address_operand.  Use mips_prefetch_cookie
118         to calculate the first "pref" operand.
119         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
120         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
121
122 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
123
124         * arm.md: Include predicates.md.
125         * predicates.md: New file.
126         * arm.c (s_register_operand, arm_hard_register_operand)
127         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
128         (arm_immediate_operand, arm_neg_immediate_operand)
129         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
130         (arm_add_operand, arm_addimm_operand, arm_not_operand)
131         (offsettable_memory_operand, alignable_memory_operand)
132         (arm_reload_memory_operand, arm_float_rhs_operand)
133         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
134         (index_operand, shiftable_operator, logical_binary_operator)
135         (shift_operator, equality_operator, arm_comparison_operator)
136         (minmax_operator, cc_register, dominant_cc_register)
137         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
138         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
139         (const_shift_operand, load_multiple_operation)
140         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
141         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
142         (cirrus_register_operand, cirrus_fp_register)
143         (cirrus_shift_const): Delete, replaced with equivalents in
144         predicates.md.
145         (shift_op): Handle ROTATE.
146         * arm-protos.h: Delete declarations for above.
147         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
148         * t-arm (MD_INCLUDES): Add predicates.md.
149         (s-preds): Depends on MD_INCLUDES.
150
151 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
152
153         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
154         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
155         patterns.  Redefine using :GPR.  Give the match_operator a mode.
156         Use '%2' rather than '%z2' for operand 2.
157
158 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
159
160         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
161         attribute.
162
163 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
164
165         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
166         of internal patterns.
167         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
168         Redefine using :P.
169         (tablejump): Use expand_binop to calculate address.  Adjust names
170         of internal patterns.
171         (tablejump[sd]i): Renamed from tablejump_internal[12].
172         Redefine using :P.
173         (tablejump_mips16[12]): Delete.
174
175 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
176
177         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
178         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
179         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
180         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
181         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
182
183 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
184
185         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
186         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
187         using :GPR.
188         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
189         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
190         (*branch_equality[sd]i_inverted): Likewise
191         branch_equality{,_di}_inverted.
192         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
193         Redefine using :GPR.
194
195 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
196
197         * rtl.def: Reorganize, placing all codes used only in machine
198         descriptions at the end.
199
200         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
201         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
202         rtx_name, rtx_format arrays by direct reference to rtl.def,
203         first undefining GENERATOR_FILE.  Define enum insn_note and
204         note_insn_name array by direct reference to insn-notes.def.
205         (adjust_field_rtx_def): Remove local definition of rtx_name.
206         Use symbolic names for insn notes.
207         * Makefile.in (gengtype.o): Update dependencies.
208
209 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
210
211         * basic-block.h (struct basic_block_def): Reorder fields to
212         eliminate interior padding.  Remove 'partition' field.
213         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
214         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
215         (BB_COPY_PARTITION): New macros.
216         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
217         Replace all references to the 'partition' field of a basic
218         block with new macros.
219
220         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
221         * final.c (final_scan_insn): Don't handle it.
222         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
223         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
224         * sched-rgn.c (sched_is_disabled_for_current_region_p):
225         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
226
227 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
228
229         * c-decl.c (c_init_decl_processing): Adjust
230         build_common_tree_nodes call.
231         * expmed.c (const_mult_add_overflow_p): Use
232         build_distinct_type_copy.
233         * stor-layout.c (early_type_list): Remove.
234         (layout_type): Don't append to early_type_list.
235         (initialize_sizetypes): Add signed_p argument.
236         (set_sizetype): Overwrite the stub type nodes directly.
237         * tree.c (copy_node_stat): Clear a type's value cache here ...
238         (build_distinct_type): ... not here.
239         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
240         * tree.h (initialize_sizetypes): Add signed_p argument.
241         (build_common_tree_nodes): Likewise.
242
243         * objc/objc-act.c (get_static_reference): Use
244         build_variant_type_copy.
245         (get_protocol_reference): Likewise.
246         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
247
248 2004-08-24  Richard Henderson  <rth@redhat.com>
249             Andrew Pinski  <apinski@apple.com>
250
251         * gimplify.c (gimplify_array_ref_to_plus): Delete.
252         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
253         for ARRAY_REF.
254
255         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
256         ARRAY_REF also to get to the STRING_CST.
257
258 2004-08-24  Paul Brook  <paul@codesourcery.com>
259
260         * config/arm/arm.c (arm_override_options): Update error message.
261         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
262         TARGET_HARD_FLOAT_ABI.
263         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
264         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
265
266 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
267
268         PR target/17093
269         * config/m32r.md (movsi_sda): Add SI mode specification to
270         UNSPEC.
271
272 2004-08-24  Nick Clifton  <nickc@redhat.com>
273
274         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
275         of seth_add3_operand.
276
277 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
278
279         * Makefile.in (PROTO_OBJS): Add errors.o.
280         * protoize.c (fancy_abort): Remove.
281         * mips-tfile.c (fancy_abort): Add parameters.
282
283 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
284
285         * doc/trouble.texi (C++ misunderstandings): Fix example code.
286
287 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
288
289         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
290         (host-default.o): Add dependency on HOOKS_H.
291         * config/x-linux: Likewise.
292         * config/x-solaris: Likewise.
293         * config/i386/x-mingw32: Likewise.
294         * config/rs6000/x-darwin: Likewise.
295
296 2004-08-23  James E Wilson  <wilson@specifixinc.com>
297
298         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
299         DEF_REG_NOTE.
300
301 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
302
303         PR c/14492
304         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
305
306 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
307
308         * cfg.c (check_bb_profile): Fix typos.
309         * function.c (assign_parm_is_stack_parm): Likewise.
310         * tree-nested.c: Likewise.
311
312 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
313
314         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
315         Remove TYPECODE.
316         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
317
318 2004-08-23  Eric Christopher  <echristo@redhat.com>
319
320         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
321         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
322         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
323         * target.h: Ditto.
324         * hooks.h: Include machmode.h.
325         (hook_bool_mode_false): Declare.
326         * hooks.c (hook_bool_mode_false): Define.
327         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
328         * stor-layout.c (layout_type): Ditto.
329         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
330         Define to target macro.
331         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
332         * config/arm/arm.c: Ditto. Use.
333         * config/arm/arm.h: Ditto.
334         * config/arm/arm-protos.h: Ditto.
335         * config/i386/i386.c: Ditto.
336         * config/i386/i386.h: Ditto.
337         * config/rs6000/rs6000.c: Ditto.
338         * config/rs6000/rs6000.h: Ditto.
339         * config/sh/sh.c: Ditto.
340         * config/sh/sh.h: Ditto.
341         * config/sh/sh-protos.h: Ditto.
342         * config/sh/sh.md: Use.
343         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
344         to TARGET_VECTOR_MODE_SUPPORTED_P.
345
346 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
347
348         * Makefile.in (BUILD_ERRORS): Set to build-errors.
349         (errors.o): New target for host.
350         (build-errors.o): New target for build.
351         (genobjs): Replace errors.o with build-errors.
352         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
353         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
354         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
355         (fix-header.o): Add errors.h
356         * collect2.c (fancy_abort): Add parameters.
357         * collect2.h (fancy_abort): Don't declare.
358         * errors.h (fancy_abort): Don't declare.
359         * errors.c: Include either bconfig.h or config.h.
360         (fancy_abort): Trim filename.
361         * fix-header.c (v_fatal, fatal): Remove.
362         (progname): Remove definition.
363         (main): Set progname here.
364         * gcc.c (fancy_abort): Add parameters.
365         * gcc.h (fancy_abort): Remove declaration.
366         * gcov.c (fancy_abort): Remove.
367         * rtl.h (fancy_abort): Don't declare.
368         (abort): Don't define.
369         * tree.h (fancy_abort): Don't declare.
370         (abort): Don't define.
371         * system.h (fancy_abort): Declare.
372         (abort): Define to fancy_abort.
373         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
374
375         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
376         (usize_type, ubitsizetype): Remove.
377         * stor-layout.c (set_sizetype): Don't initialize usizetype,
378         ubitsizetype.
379         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
380
381         * tree.h (build_distinct_type_copy): New.
382         (build_type_copy): ... here.  Rename to ...
383         (build_variant_type_copy): ... here.
384         * tree.c (build_qualified_type): Rename build_type_copy call.
385         (build_distinct_type_copy): New, broken out of ...
386         (build_type_copy): ... here.  Rename to ...
387         (build_variant_type_copy): ... here.  Use
388         build_distinct_type_copy.
389         (build_common_tree_nodes_2): Rename build_type_copy call.
390         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
391         call.
392         (handle_packed_attribute, handle_unused_attribute,
393         handle_transparanet_union_attribute, handle_aligned_attribute,
394         handle_deprecated_attribute): Likewise.
395         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
396         Likewise.
397         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
398         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
399         build_distinct_type_copy.
400
401 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
402
403         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
404         attribute.
405
406 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
407
408         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
409         loads and stores.
410         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
411         formerly unnamed patterns.  Redefine using :P for the address.  Remove
412         explicit length attributes.
413
414 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
415
416         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
417         New functions.
418         (single_reachable_address): Use them.
419         (schedule_sm): Add dump.
420         (is_call_clobbered_ref): New function.
421         (determine_lsm_reg): Check whether the reference is call clobbered.
422         Only work for gimple_reg_type values.
423
424 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
425
426         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
427         $31 store insns.  Redefine using :GPR.
428
429 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
430
431         * config/mips/mips.md (P): New mode macro.
432         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
433         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
434         Add mode attributes.
435
436 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
437
438         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
439         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
440         later constants to cover the gap.
441         (load, store): New mode attributes.
442         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
443         Use new unspec constants.
444
445 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
446
447         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
448         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
449         to use register_operand rather than uns_arith_operand as the predicate
450         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
451         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
452         Redefine using :GPR.  Make same predicate change here.  Extend the
453         commutativity of operands 1 and 2 from the SImode version to the
454         DImode one.
455         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
456         but with no predicate changes.
457         (*nor[sd]i3): Redefine using :GPR.
458
459 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
460
461         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
462         noreturn functions.
463
464 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
465
466         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
467         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
468         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
469         rather than "%z2" (with a fake const0_rtx for operand 2).
470         (ffs[sd]i2): Redefine using :GPR.
471         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
472
473 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
474
475         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
476
477 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
478
479         * config/mips/mips.md (any_extend): New code macro.
480         (u, su): New code attributes.
481         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
482         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
483         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
484         (*{s,u}mul_acc_di): Redefine using any_extend.
485         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
486         to reflect real insn names.
487         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
488         with an any_extend template.
489         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
490         Add '*' to name.
491
492 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
493
494         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
495         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
496         (mul[sd]i3_r4000): Redefine using :GPR.
497         (mulsi3_mult3): Don't check TARGET_MAD separately.
498         (muldi3_mult3): Moved after mulsi_mult3.
499
500 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
501
502         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
503         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
504         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
505         (TARGET_GAS, TARGET_MIPS_AS): Delete.
506         (TARGET_GPWORD): Define to true for n32 on IRIX.
507         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
508         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
509         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
510         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
511         (MDEBUG_ASM_SPEC): Delete, folding into...
512         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
513         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
514         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
515         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
516         to define asm_abi_default_spec.
517         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
518         (TARGET_ASM_SELECT_SECTION): Delete.
519         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
520         for non-mips16 code, removing previous workaround for SGI assemblers.
521         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
522         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
523         (override_options): Remove !TARGET_GAS and !have_named_sections code.
524         (print_operand): Fold TARGET_GAS conditionals into asm strings.
525         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
526         ASM_STABS_OP and ASM_STABN_OP.
527         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
528         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
529         (mips_output_function_prologue): Remove !TARGET_GAS code.
530         (mips_select_rtx_section): Remove !have_named_sections code.
531         (mips_select_section): Delete.
532         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
533         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
534         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
535         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
536         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
537         * config/mips/windiss.h (ASM_SPEC): Likewise.
538
539 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
540
541         * read-rtl.c (map_value, mapping, macro_group): New structures.
542         (BELLWETHER_CODE): New macro.
543         (modes, codes, bellwether_codes): New variables.
544         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
545         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
546         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
547         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
548         (add_map_value, initialize_macros): New functions.
549         (def_hash, def_hash_eq_p): Generalize to anything that points to,
550         or starts with, a char * field.
551         (find_macro, read_mapping, check_code_macro): New functions.
552         (read_rtx_1): New, split out from read_rtx.  Handle the new
553         define_{mode,code}_{macro,attr} constructs.  Use find_macro
554         to parse the name of a code or mode.  Use BELLWETHER_CODE to
555         extract the format and to choose a suitable code for rtx_alloc.
556         Modify recursive invocations to use read_rtx_1.
557         (read_rtx): Call initialize_macros.  Apply code and mode macros
558         to the rtx returned by read_rtx_1.  Cache everything after the
559         first macro expansion for subsequent read_rtx calls.
560         * doc/md.texi: Document new .md constructs.
561         * config/mips/mips.md (GPR): New mode macro.
562         (d, si8_di5): New mode attributes.
563         (any_cond): New code macro.
564         (add[sd]i3): Redefine using :GPR.
565         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
566         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
567         previously unnamed MIPS16 patterns.
568         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
569         lines.  Don't match (plus (const_int 0) ...).
570         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
571         Use a define_split to generate the addition.
572         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
573         (subsi3_internal): Delete.
574         (*subsi3_extended): Renamed from subsi3_internal_2.
575         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
576         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
577         using an any_cond template.
578
579 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
580
581         * read-rtl.c (read_rtx): Tidy use of format_ptr.
582
583 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
584
585         * read-rtl.c (string_obstack): New file-scope variable.
586         (read_string, read_quoted_string, read_braced_string)
587         (read_escape): Remove obstack parameter and use string_obstack instead.
588         (read_rtx): Remove function-local rtl_obstack and initialize
589         string_obstack instead.  Update call to read_string.
590
591 2004-08-22  Andrew Pinski  <apinski@apple.com>
592
593         PR c/15262
594         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
595         expression is not constant.
596         (c_finish_return): Do not go through INDIRECT_REF when looking
597         for the inner expression of an ADDR_EXPR for warning about.
598
599 2004-08-22  Richard Henderson  <rth@redhat.com>
600
601         PR 17075
602         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
603         create new blocks and fall through.
604         (expand_gimple_basic_block): Update to match.
605
606 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
607
608         * reload.c (find_reloads_address): Make return value tri-state.
609         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
610         (find_reloads): Assume that reloaded addresses match 'o' or
611         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
612         returned 1 (not -1).  Omit optional reloads for address operands
613         only if find_reloads_address returned 1 (not -1).
614
615         * config/s390/s390.c (legitimize_reload_address): New function.
616         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
617         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
618         legitimize_reload_address.
619
620 2004-08-22  Richard Hendersion  <rth@redhat.com>
621
622         * tree.h (SAVE_EXPR_RESOLVED_P): New.
623         * gimplify.c (gimplify_save_expr): Use it.
624         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
625         on the temporary variable.
626
627 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
628
629         * fold-const.c (rtl_expr_nonnegative_p): Delete.
630         * tree.h (rtl_expr_nonnegative_p): Remove.
631
632 2004-08-22  Steven Bosscher  <stevenb@suse.de>
633
634         * config/i386/ppro.md (ppro_complex_insn): Add missing check
635         for cpu==pentiumpro.
636
637         * combine.c (struct reg_stat): Fix comment typo.
638
639 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
640
641         * c-tree.h (c_sizeof_nowarn): Remove.
642
643 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
644
645         * c-decl.c (set_array_declarator_type): Rename to
646         set_array_declarator_inner.
647         (build_c_parm, build_attrs_declarator, build_function_declarator):
648         New functions.
649         (make_pointer_declarator): Call build_attrs_declarator.
650         * c-tree.h (set_array_declarator_type): Rename to
651         set_array_declarator_inner.
652         (build_c_parm, build_attrs_declarator, build_function_declarator):
653         New prototypes.
654         * c-parse.in (after_type_declarator,
655         parm_declarator_starttypename, parm_declarator_nostarttypename,
656         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
657         firstparm): Use these functions
658
659 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
660
661         * c-decl.c (build_array_declarator, set_array_declarator_type,
662         start_decl, grokdeclarator, grokparms): Change boolean parameters
663         to type bool.
664         * c-tree.h (build_array_declarator, set_array_declarator_type,
665         start_decl): Update prototypes.
666         * c-decl.c, c-parse.in: All callers changed.
667
668 2004-08-21  Mike Stump  <mrs@apple.com>
669
670         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
671         (darwin_fix_and_continue): Likewise.
672         (darwin_fix_and_continue_switch): Likewise.
673         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
674         (darwin_fix_and_continue): Likewise.
675         (darwin_fix_and_continue_switch): Likewise.
676
677 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
678
679         PR  c++/16030
680         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
681         Remove, merging into ...
682         (gen_stdcall_or_fastcall_suffix): New function, returning tree
683         rather than const char*, and accepting additional parameter.
684         Don't add suffix to '*'-prefixed symbols or variadic functions.
685         (i386_pe_encode_section_info): Adjust for call to new function.
686         Call change_decl_assembler_name.
687
688 2004-08-20  Mike Stump  <mrs@apple.com>
689
690         * config/darwin.c (machopic_indirect_data_reference): Mark
691         stubs as defined.
692         * config/386/386.c (darwin_local_data_pic): Add.
693         (legitimate_constant_p): Reorder so that PLUS handling runs
694         before darwin_local_data_pic to match the ordering in
695         legitimate_pic_address_disp_p and so that MINUS runs after
696         darwin_local_data_pic as otherwise the darwin_local_data_pic
697         logic can be skipped, which would be very bad.
698         (legitimate_pic_address_disp_p): Move from from here to
699         darwin_local_data_pic so it can be reused.
700
701 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
702
703         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
704         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
705         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
706         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
707         (RS6000_ABI_NAME): Define as "linux".
708         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
709         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
710         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
711         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
712         * config/rs6000/rs6000.c (dot_symbols): New global var.
713         (rs6000_output_function_entry): New function, modified for
714         !DOT_SYMBOLS..
715         (print_operand <case 'z'>): ..extracted from here.
716         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
717         (rs6000_output_function_epilogue): Likewise.
718         (rs6000_elf_declare_function_name): Likewise.
719         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
720         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
721         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
722         * configure: Regenerate.
723         * config.in: Regenerate.
724
725 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
726
727         * reload.c (find_reloads_address): Fix thinko in previous change.
728
729         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
730         a CONST_INT.
731
732 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
733
734         PR rtl-optimization/17099
735         * combine.c (force_to_mode): Check if inner_mask has any bits set
736         outside of GET_MODE (x) instead of op_mode.
737
738 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
739
740         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
741         fragment.
742         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
743         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
744         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
745         architecture.
746         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
747         configurations.
748         * config/arm/t-symbian: New file.
749
750 2004-08-20  Andrew Pinski  <apinski@apple.com>
751
752         * regrename.c (kill_value_regno): ANSIfy.
753
754 2004-08-20  Dale Johannesen  <dalej@apple.com>
755
756         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
757
758 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
759
760         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
761         (kill_value_regno): New function, derived from kill_value.
762         (kill_value): Update.
763         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
764
765 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
766
767         Fix PR tree-optimization/17111
768         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
769         of non-value_handles.
770         (bitmap_set_contains): All constants are in every set.
771
772 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
773
774         * fold-const.c (round_up, round_down): Use build_int_cst.
775         Optimize common case.
776
777 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
778             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
779
780         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
781         one_only_data_section): Rename to som_readonly_data_section,
782         som_one_only_readonly_data_section and som_one_only_data_section.
783         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
784         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
785         conditional defines.
786         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
787         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
788         string values.
789         (pa_select_section): Use renamed section functions.
790         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
791         SOM_READONLY_DATA_SECTION_FUNCTION,
792         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
793         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
794         Define here ...
795         * config/pa/som.h: ... not here.
796         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
797         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
798         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
799         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
800         (READONLY_DATA_SECTION): Use som_readonly_data_section.
801
802 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
803
804         * fold-const.c (int_const_binop): Don't generate non-overflowing
805         size-types specially.
806         (fold_convert_const): Likewise.
807
808         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
809         clear cache on copied sizetype.
810
811 2004-08-20  Ben Elliston  <bje@au.ibm.com>
812
813         * configure.ac: Don't escape apostrophe in --enable-coverage help.
814         * configure: Regenerate.
815
816 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
817
818         PR 5620
819         * gcc.c (struct stat input_stat): Don't define if
820         HOST_LACKS_INODE_NUMBERS
821         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
822         than stat to determine if temp file is same as input file.
823         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
824         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
825
826 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
827
828         * configure.ac (mips*-*-*): Print an error if not using GAS.
829         * configure: Regenerated.
830         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
831         comments about buggy MIPSpro assemblers.
832         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
833         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
834         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
835         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
836         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
837         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
838         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
839         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
840         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
841         of more general IRIX 6 definitions.
842         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
843         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
844         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
845         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
846         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
847         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
848         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
849         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
850         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
851         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
852         (LINK_SPEC): Move most of definition to iris.h.
853         (SUBTARGET_LINK_SPEC): New macro.
854         (IRIX_STARTFILE_SPEC): Fold into...
855         (STARTFILE_SPEC): ...here.
856         (IRIX_ENDFILE_SPEC): Fold into...
857         (ENDFILE_SPEC): ...here.
858         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
859         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
860         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
861         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
862         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
863         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
864         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
865         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
866         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
867         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
868         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
869         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
870         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
871         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
872         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
873         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
874         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
875         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
876         (TARGET_IRIX6): Define to 1.
877         (DRIVER_SELF_SPECS): Define.
878         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
879         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
880         (SUBTARGET_LINK_SPEC): New macro.
881         (IRIX_STARTFILE_SPEC): Fold into...
882         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
883         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
884         (LIB_SPEC, LIBGCC_SPEC): Use them.
885         (LIB_SPEC): Remove !mabi=* case.
886         (IRIX_ENDFILE_SPEC): Fold into...
887         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
888         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
889         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
890         (TARGET_IRIX6): New macro.
891         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
892         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
893         (LABEL_AFTER_LOC): Delete.
894         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
895         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
896         (mips_build_builtin_va_list): Check TARGET_IRIX6.
897         (override_options): Remove TARGET_SGI_O32_AS-related code.
898         (irix_output_external_libcall): Make static.
899         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
900         LABEL_AFTER_LOC.
901         (mips_file_start): Tidy guard for ABI sections.  Remove use of
902         ABICALLS_ASM_OP; use .abicalls instead.
903         (mips_output_aligned_decl_common, mips_declare_object_name)
904         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
905         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
906         .globl foo .text directives.
907         (irix_asm_named_section_1, irix_asm_named_section)
908         (irix_section_align_entry, irix_section_align_htab)
909         (irix_orig_asm_out_file, irix_section_align_entry_eq)
910         (irix_section_align_entry_hash, irix_asm_output_align)
911         (irix_file_start, irix_section_align_1, copy_file_data)
912         (irix_file_end, irix_section_type_flags): Delete.
913         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
914         Use standard section syntax.  Remove protective "jr $31".
915         (__gcc_fini): Likewise .gcc_fini.
916         * config/mips/irix-crtn.asm: Adjust sections accordingly.
917         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
918         iris5gas.h.
919         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
920         from t-irix-gld.
921         (EXTRA_MULTILIB_PARTS): Define.
922         * config/mips/t-iris6: Remove bogus comment.
923         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
924         * config/mips/iris5gas.h, config/mips/iris5gld.h,
925         config/mips/iris6gas.h, config/mips/iris6gld.h,
926         config/mips/t-iris5-as, config/mips/t-iris5-gas
927         config/mips/t-irix-gld: Delete.
928         * config/mips/iris.h: New file.
929         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
930
931 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
932
933         * postreload.c (reload_cse_move2add): Allow any condjump, but check
934         that the implicit set isn't clobbered in the jump insn.
935
936 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
937
938         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
939         * optabs.c (init_optabs): Don't check it.
940         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
941         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
942
943 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
944
945         * config/s390/s390.md (s390_warn_framesize_string)
946         (s390_warn_dynamic_string, s390_stack_size_string)
947         (s390_stack_guard_string): New global string variables.
948         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
949         (s390_stack_guard): New global variables.
950         (override_options): Added checks for the new options.
951         (s390_emit_prologue): Emit stack check and trap code and perform
952         compile time stack size checking.
953
954         * config/s390/s390.h (TARGET_OPTIONS): Added new options
955         "warn-framesize", "warn-dynamicstack", "stack-size" and
956         "stack-guard".
957
958         * doc/invoke.texi: Added documentation for the new options.
959
960 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
961
962         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
963         to eliminate warning.
964         (linear_search_fdes): Declare p as unsigned.
965         (binary_search_mixed_encoding_fdes): Likewise.
966         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
967         to eliminate warning.
968         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
969         type cast.
970
971 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
972
973         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
974         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
975         instead of one.  Check for strictly legitimate address.
976         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
977         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
978
979 2004-08-19  Eric Christopher  <echristo@redhat.com>
980
981         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
982         * langhooks.h (unsave_expr_now): Ditto.
983         * tree.h (unsave_expr_1): Remove prototype.
984         (lhd_unsave_expr_now): Rename to unsave_expr_now.
985         * tree-inline.c (unsave_expr_1): Move here
986         from tree.c. Make static.
987         (unsave_expr_now): Rename from lhd_unsave_expr_now.
988         * tree-sra.c: Fix up for rename.
989         * tree-ssa-copy.c: Ditto.
990         * tree-eh.c: Ditto.
991         * tree.c (unsave_expr_1): Move to tree-inline.c.
992
993 2004-08-19  Caroline Tice  <ctice@apple.com>
994
995         * config/i386/cygming.h (switch_to_section):  Fix typo (change
996         in_unlikely_text_section to in_unlikely_executed_text).
997
998 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
999
1000         * vec.h (VEC_lower_bound): New macro.
1001
1002 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1003
1004         PR target/16446
1005         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
1006         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
1007         treat each ABI separately.  Deal with n32/n64 complex float arguments.
1008         (function_arg): Add associated complex handling here.
1009
1010 2004-08-19  Richard Henderson  <rth@redhat.com>
1011
1012         * config/arm/arm.c (arm_gen_load_multiple): Use
1013         adjust_automodify_address.  Take base memory and offset instead
1014         of unchanging/struct/scalar bits.
1015         (arm_gen_store_multiple): Likewise.
1016         (arm_gen_movmemqi): Use adjust_automodify_address.
1017         * config/arm/arm-protos.h: Update decls.
1018         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
1019         (store_multiple): Similarly.
1020
1021 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
1022
1023         * regclass.c (globalize_reg): Update call_really_used_regs.
1024
1025 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
1026
1027         * doc/invoke.texi (integer-share-limit): Document.
1028
1029         * tree.h (TYPE_CACHED_VALUES_P): New.
1030         (TYPE_CACHED_VALUES): New.
1031         (TYPE_ORIG_SIZE_TYPE): Adjust.
1032         * tree.def (INTEGER_CST): Update documentation.
1033         * tree.c: Inlcude params.h.
1034         (build_int_cst): Cache small values.
1035         (build_type_copy): Do not copy the value cache.
1036         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
1037         unneeded zeroing.
1038         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
1039         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
1040         cache.
1041         * fold-const.c (force_fit_type): Copy value when setting
1042         overflows.
1043         (int_const_binop): Likewise.
1044         * stor-layout.c: Include params.h
1045         (set_sizetype): Create values cache.
1046         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
1047         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
1048         * params.h (INTEGER_SHARE_LIMIT): New.
1049         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
1050
1051 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
1052
1053         * gimplify.c (gimplify_minimax_expr): Remove.
1054         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
1055
1056 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
1057
1058         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
1059         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
1060
1061 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1062
1063         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
1064
1065 2004-08-18  Andrew Pinski  <apinski@apple.com>
1066
1067         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
1068
1069 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
1070
1071         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
1072         (__aeabi_ul2f): Likewise.
1073
1074 2004-08-18  Richard Henderson  <rth@redhat.com>
1075
1076         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
1077         move to rtl completely.
1078         (struct meminsnbuf, xtensa_emit_block_move): Remove.
1079         (xtensa_find_mode_for_size): Remove.
1080         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
1081         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
1082
1083 2004-08-18  Richard Henderson  <rth@redhat.com>
1084
1085         * config/mcore/mcore.c (mode_from_align): Remove DImode.
1086         (block_move_sequence): Rewrite to use adjust_address.
1087         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
1088         Return boolean indicating success/failure.
1089         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
1090         * config/mcore/mcore.md (movmemsi): Update to match.
1091
1092 2004-08-18  Mike Stump  <mrs@apple.com>
1093
1094         * doc/invoke.texi (-mfix-and-continue): Add support for
1095         fast turn around debugging.
1096         (-ffix-and-continue): Likewise.
1097         (-mindirect-data): Likewise.
1098         (-findirect-data): Likewise.
1099         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
1100         (indirect_data): Likewise.
1101         (machopic_data_defined_p): Likewise.
1102         (machopic_output_indirection): Likewise.
1103         (darwin_encode_section_info): Likewise.
1104         (darwin_fix_and_continue): Likewise.
1105         (darwin_fix_and_continue_switch): Likewise.
1106         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
1107         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
1108         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
1109         (SUBTARGET_OPTIONS): Likewise.
1110         (darwin_fix_and_continue): Likewise.
1111         (darwin_fix_and_continue_switch): Likewise.
1112         (TARGET_FIX_AND_CONTINUE): Likewise.
1113         * config/rs6000.c (rs6000_emit_prologue): Likewise.
1114
1115 2004-08-19  Steven Bosscher  <stevenb@suse.de>
1116
1117         * basic-block.h (struct edge_def): Remove crossing_edge.
1118         (EDGE_CROSSING): New define.
1119         (EDGE_ALL_FLAGS): Update.
1120         * bb-reorder.c (find_traces_1_round, better_edge_p,
1121         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
1122         find_jump_block, fix_crossing_conditional_branches,
1123         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1124         Replace all occurences of crossing_edge with an edge flag check
1125         or set/reset.
1126         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1127         try_crossjump_bb): Likewise.
1128         * cfglayout.c (fixup_reorder_chain): Likewise.
1129         * cfgrtl.c (force_nonfallthru_and_redirect,
1130         commit_one_edge_insertion): Likewise.
1131
1132         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
1133         * tree-flow.h (compute_dominance_frontiers): Move prototype...
1134         * basic-block.h:  ...here.
1135         * tree-cfg.c (compute_dominance_frontiers_1,
1136         compute_dominance_frontiers): Move from here...
1137         * cfganal.c: ...to here.  Include timevar.h.
1138
1139 2004-08-18  James E Wilson  <wilson@specifixinc.com>
1140
1141         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
1142         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
1143
1144         * config/mips/mips.md (type): Add frdiv.
1145         (divsf3+1, divsf3+2): Change type to frdiv.
1146         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
1147         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
1148
1149         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
1150         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
1151         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
1152         * config/mips/5000.md (r5k_fdiv_single): Likewise.
1153         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
1154         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
1155         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
1156         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
1157         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
1158         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
1159         Likewise.
1160         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
1161
1162 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
1163
1164         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
1165         get regression tester working again.
1166
1167 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1168
1169         * insn-notes.def, reg-notes.def: New files.
1170         * rtl.h: Use them to define enum insn_note and enum reg_note.
1171         * rtl.c: Use them to define note_insn_name and reg_note_name.
1172         * Makefile.in (RTL_BASE_H): Update.
1173
1174         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
1175         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1176
1177 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
1178
1179         * arm.c (arm_size_rtx_costs): New function.
1180         (arm_override_options): Use it if optimizing for space.
1181
1182 2004-08-18  Richard Henderson  <rth@redhat.com>
1183
1184         * emit-rtl.c (gen_const_mem): New.
1185         * rtl.h (gen_const_mem): Declare.
1186         * expr.c (do_tablejump): Use it.
1187         * varasm.c (force_const_mem): Likewise.
1188         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1189         (machopic_legitimize_pic_address): Likewise.
1190         * config/arm/arm.c (legitimize_pic_address): Likewise.
1191         * config/i386/i386.c (legitimize_pic_address): Likewise.
1192         (legitimize_tls_address): Likewise.
1193         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1194         * config/ia64/ia64.md (load_fptr): Likewise.
1195         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
1196         * config/pa/pa.c (legitimize_pic_address): Likewise.
1197         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1198         (rs6000_emit_move): Likewise.
1199         * config/s390/s390.c (legitimize_pic_address): Likewise.
1200         (legitimize_tls_address): Likewise.
1201         * config/s390/s390.md (casesi): Likewise.
1202         * config/sh/sh.c (sh_reorg): Likewise.
1203         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
1204         * config/v850/v850.md (casesi): Likewise.
1205
1206         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
1207         * config/sh/sh.c (prepare_move_operands): Remove incorrect
1208         use of MEM_READONLY_P.
1209
1210 2004-08-18  Steven Bosscher  <stevenb@suse.de>
1211
1212         * Makefile.in (OBJS-common): Add postreload-gcse.c.
1213         Add new postreload-gcse.o.
1214         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
1215         (lookup_as_function, insert, rehash_using_reg, use_related_value,
1216         equiv_constant): Use SAFE_HASH instead of safe_hash.
1217         (exp_equiv_p): Export.  Add for_gcse argument when comparing
1218         for GCSE.
1219         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
1220         find_comparison_args, fold_rtx, cse_insn): Update callers.
1221         (hash_rtx): New function derived from old canon_hash and bits
1222         from gcse.c hash_expr_1.
1223         (canon_hash_string): Rename to hash_rtx_string.
1224         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
1225         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
1226         (cselib_lookup): Update this caller.
1227         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
1228         Make static.
1229         (hash_expr): Call hash_rtx.
1230         (ldst_entry): Likewise.
1231         (expr_equiv_p): Call exp_equiv_p.
1232         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
1233         reg_used_on_edge, reg_set_between_after_reload_p,
1234         reg_used_between_after_reload_p, get_avail_load_store_reg,
1235         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
1236         get_bb_avail_insn, hash_scan_set_after_reload,
1237         compute_hash_table_after_reload,
1238         eliminate_partially_redundant_loads, gcse_after_reload,
1239         get_bb_avail_insn, gcse_after_reload_main): Remove.
1240         * postreload-gcse.c: New file, reincarnating most of the above.
1241         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
1242         (gcse_after_reload_main): Update prototype.
1243         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
1244         * passes.c (rest_of_handle_gcse2): Use it.
1245
1246 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
1247
1248         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
1249         (pass_loop_done): Likewise.
1250
1251 2004-08-18  Andrew Pinski  <apinski@apple.com>
1252
1253         * config/rs6000/darwin.md: Delete the altivec patterns which are
1254         handled differently now.
1255         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
1256         (macho_correct_pic_di): Likewise.
1257         (call_indirect_nonlocal_darwin64): Likewise.
1258         Delete the save world/saveFP/saveVec patterns.
1259
1260         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
1261         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1262         * config/rs6000/rs6000.md: Include darwin.md.
1263         (builtin_setjmp_receiver): Add DImode case.
1264         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
1265         Darwin bits.
1266
1267 2004-08-18  Matt Austern  <austern@apple.com>
1268
1269         Dead code stripping
1270         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
1271         * darwin.c (darwin_file_end): Mark file as potentially strippable.
1272
1273 2004-08-18  Richard Henderson  <rth@redhat.com>
1274
1275         * alias.c (readonly_fields_p): Remove.
1276         (objects_must_conflict_p): Don't call it.
1277         * tree.h (readonly_fields_p): Remove.
1278         * langhooks.h (struct lang_hooks): Remove honor_readonly.
1279         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
1280
1281 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
1282
1283         * tree-dfa.c (add_referenced_var): Only global variables are
1284         call-clobbered.
1285         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
1286         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
1287         all pointers dereferenced if the statement dereferences them.
1288         (create_name_tags): Do not create memory tags for pointers
1289         that have PT_ANYTHING set.
1290         Also check if PT_VARS is not empty before creating a name tag.
1291         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
1292         variables that share the same alias set with a pointer that
1293         may point anywhere.
1294         (add_may_alias): Add FIXME comment to remove clobbering
1295         aliased variables and tags.
1296         (replace_may_alias): Likewise.
1297         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
1298         (merge_pointed_to_info): If the original variable has not
1299         points-to information, call set_pt_anything.
1300         (add_pointed_to_var): Do not prevent adding a pointed-to
1301         variable if the pointers is PT_ANYTHING.
1302         If the variable is a global, set PT_GLOBAL_MEM.
1303         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
1304         pointer type only come in PTR+OFFSET flavours.
1305         Always call merge_pointed_to_info on PHI arguments that are
1306         SSA_NAMEs.
1307         (get_nmt_for): Mark call-clobbered tags whose pointer points
1308         to global memory.
1309         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
1310         values.
1311         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
1312         FLAGS.
1313         (add_stmt_operand): Abort if the caller tried to add a killing
1314         definition for a memory tag.
1315         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
1316         unnecessary checks.
1317
1318 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
1319
1320         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
1321         from call_used_regs.  Update call_really_used_regs.
1322         (CALL_REALLY_USED_REGISTERS): Define.
1323         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
1324         Replace call_used_regs with call_really_used_regs.
1325         (calc_live_regs, sh_media_register_for_return): Likewise.
1326         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
1327         * sh.md (return_media): Likewise.
1328
1329 2004-08-18  Andrew Pinski  <apinski@apple.com>
1330
1331         * config/darwin.c (machopic_legitimize_pic_address): Only set
1332         MEM_READONLY_P in the non TARGET_TOC case.
1333
1334 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1335
1336         * rtl.def (NIL): Delete.
1337         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
1338         Tighten the syntax a little.
1339
1340         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
1341         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
1342         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
1343         * config/i386/predicates.md, config/m32r/m32r.h
1344         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
1345         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
1346         * config/sparc/sparc.h, doc/tm.texi:
1347         Replace all occurrences of NIL with UNKNOWN.
1348
1349 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1350
1351         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
1352         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
1353         sequence inline.  Move drop_through_label code into this
1354         block, being the only place it is used.  Adjust comments.
1355
1356 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
1357
1358         * config/rs6000/altivec.md: Add new patterns for calls to
1359         save_world/rest_world functions.
1360
1361         * config/rs6000/rs6000-protos.h: (save_world_operation,
1362         restore_world_operation) new declarations.
1363
1364         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
1365         field added.
1366         (rs6000_stack_info): Set world_save_p field.
1367         (save_world_operation): New function.
1368         (restore_world_operation): New function.
1369         (compute_save_world_info): New function.
1370         (rs6000_stack_info): Call compute_save_world_info.
1371         (rs6000_emit_prologue): Check for world_save_p and generate
1372         pattern to call save_world for saving all non-volatile and
1373         special registers.
1374         (rs6000_emit_epilogue): Check for world_save_p and generate
1375         pattern to call rest_world to restore saved registers.
1376
1377         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
1378         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
1379         (rs6000_reg_names): New entries added for save_world_operation and
1380         restore_world_operation.
1381
1382 2004-08-18  Caroline Tice  <ctice@apple.com>
1383
1384         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
1385         "-freorder-blocks-and-partition" to the flags used in second
1386         stage of profiledbootstrap.
1387         * bb-reorder.c (push_to_next_round_p): Add new variable,
1388         next_round_is_last; set and use variable to make sure, when
1389         partitioning, that the last trace construction round consists
1390         of all (and only) cold basic blocks.
1391         (rotate_loop): Don't copy blocks that end in a section
1392         crossing jump.
1393         (copy_bb): Correctly initialize "partition" of duplicated bb.
1394         (add_unlikely_executed_notes): Add a comment.
1395         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
1396         to make sure, if function contains hot blocks, that the
1397         successors of ENTRY_BLOCK_PTR are hot; also, only look for
1398         crossing edges if the architecture supports named sections.
1399         (mark_bb_for_unlikely_executed_section): Modify to always
1400         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
1401         the basic block note insn.
1402         (fix_crossing_unconditional_branches): Remove extra space.
1403         (fix_edges_for_rarely_executed_code): Modify to only do
1404         partitioning work if the architecture supports named sections.
1405         (reorder_basic_blocks): Modify to only add
1406         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
1407         supports named sections.
1408         * c-common.c (handle_section_attribute): Initialize new global
1409         variable, user_defined_section_attribute, to true if user has
1410         specified one.
1411         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
1412         forward edges that cross section boundaries.
1413         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
1414         partitioning information if the architecture supports named
1415         sections.
1416         * cfgrtl.c (target.h): Add statement to include this.
1417         (rtl_split_block): Make sure newly created bb gets correct
1418         partition.
1419         (try_redirect_by_replacing_jump): Make sure redirection isn't
1420         attempting to cross section boundaries.
1421         (force_nonfallthru_and_redirect): Only do partition fix up if
1422         architecture supports named sections.
1423         (rtl_split_edge): Make sure newly created bb ends up in
1424         correct partition.
1425         (commit_one_edge_insertion): Remove code that incorrectly
1426         updated basic block partition; Make sure partition fix up only
1427         happens if architecture supports named sections and it's not
1428         already done.
1429         (rtl_verify_flow_info_1): Fix if-condition on test/error
1430         condition that fallthru edges are not allowed to cross section
1431         boundaries.
1432         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
1433         * final.c (final_scan_insn): Remove redundant test from if-statement;
1434         change calls to text_section into calls to function_section; add code
1435         to only to partitioning fix up if architecture supports named
1436         sections.
1437         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
1438         partition.
1439         (if_convert): Add targetm.have_named_sections to test.
1440         * output.h (unlikely_section_label): Extern declaration for new global
1441         variable.
1442         (unlikely_text_section_name): Likewise.
1443         * opts.c (decode_options): If both partitioning and DWARF debugging
1444         are turned on, issue a warning that this doesn't work, and change
1445         partitiong to basic block reordering (without hot/cold partitions).
1446         * passes.c (rest_of_handle_final): Re-set new global variable,
1447         user_defined_section_attribute, to false.
1448         (rest_of_compilation): Change options for calling partitioning
1449         function: Don't call if the user defined the section attribute, and
1450         don't call if DECL_ONE_ONLY is true for the current function.
1451         * predict.c (choose_function_section): Return immediately if we
1452         are doing hot/cold partitioning (i.e. let the basic block partitioning
1453         determine where the function belongs).
1454         * reg-stack.c (emit_swap_insn): Add condition to step over
1455         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
1456         * toplev.c (user_defined_section_attribute): New global variable.
1457         * toplev.h (user_defined_section_attribute): Extern declaration
1458         for new global variable.
1459         * varasm.c (unlikely_section_label): New global variable.
1460         (unlikely_text_section_name): New global variable.
1461         (unlikely_text_section): Add code to initialize
1462         unlikely_text_section_name if necessary; modify to use
1463         unlikely_text_section_name and unlikely_section_label; also to use
1464         named_section properly.
1465         (in_unlikely_text_section):  Modify to work correctly with
1466         named_section and to use unlikely_text_section_name.
1467         (named_section):  Add code to work properly with cold section.
1468         (function_section): Clean up if-statement.
1469         * config/darwin.c (darwin_asm_named_section): Return to original
1470         code, removing use of SECTION_FORMAT_STRING.
1471         * config/arm/pe.h (switch_to_section):  Add case for
1472         in_unlikely_executed_text to switch statement.
1473         * config/i386/cygming.h (switch_to_section): Likewise.
1474         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1475         (SECTION_FORMAT_STRING): Likewise.
1476         * config/mcore/mcore.h (switch_to_section): Likewise.
1477         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1478         (SECTION_FORMAT_STRING): Remove.
1479
1480 2004-08-18  Roger Sayle  <roger@eyesopen.com>
1481
1482         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
1483         -ffixed-reg safe, by preserving the meanings of zero and one.
1484         (CALL_USED_REGISTERS): Likewise.
1485         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
1486
1487 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1488
1489         * config/sh/sh.c (split_branches): Check the result of
1490         next_active_insn.
1491         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
1492         Call rtl_register_cfg_hooks.
1493
1494 2004-08-18  Richard Henderson  <rth@redhat.com>
1495
1496         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1497         * alias.c (true_dependence): Update to match new semantics.
1498         (canon_true_dependence, write_dependence_p): Likewise.
1499         (anti_dependence, output_dependence): Update write_dependence_p args.
1500         (unchanging_anti_dependence): Remove.
1501         * calls.c (purge_mem_unchanging_flag): Remove.
1502         (fixup_tail_calls): Don't call it.
1503         (expand_call): Don't add unchanging memory to function usage.
1504         * expr.c (emit_block_move_via_libcall): Likewise.
1505         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
1506         (get_subtarget): Don't use RTX_UNCHANGING_P.
1507         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
1508         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
1509         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
1510         * cse.c (insert): Don't use RTX_UNCHANGING_P.
1511         (cse_insn, canon_hash): Use MEM_READONLY_P.
1512         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
1513         instead of RTX_UNCHANGING_P.
1514         * explow.c (maybe_set_unchanging): Remove.
1515         * expr.h (maybe_set_unchanging): Remove.
1516         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
1517         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
1518         (assign_parm_setup_reg, expand_function_start): Likewise.
1519         * integrate.c (copy_rtx_and_substitute): Likewise.
1520         * ra-rewrite.c (emit_colors): Likewise.
1521         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
1522         (fixup_match_1): Likewise.
1523         * reload1.c (reload, alter_reg): Likewise.
1524         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
1525         not RTX_UNCHANGING_P.
1526         (equiv_init_varies_p): Likewise.
1527         * loop-invariant.c (check_maybe_invariant): Likewise.
1528         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
1529         * loop.c (note_addr_stored): Likewise.
1530         (prescan_loop): Likewise. Don't check function usage for clobbered
1531         unchanging memory.
1532         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
1533         not RTX_UNCHANGING_P.
1534         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
1535         * varasm.c (force_const_mem): Likewise.
1536         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
1537         * web.c (entry_register): Likewise.
1538         * tree-gimple.h (get_base_address): Move decl ...
1539         * tree.h: ... here.
1540         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1541
1542         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
1543         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
1544         (alpha_set_memflags): Update to match.
1545
1546         * config/darwin.c (machopic_indirect_data_reference): Set
1547         MEM_READONLY_P instead of RTX_UNCHANGING_P.
1548         (machopic_indirect_call_target): Likewise.
1549         (machopic_legitimize_pic_address): Likewise.
1550         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
1551         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
1552         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
1553         * config/frv/frv.md (symGOT2reg): Likewise.
1554         * config/i386/i386.c (legitimize_pic_address,
1555         legitimize_tls_address, ix86_split_to_parts): Likewise.
1556         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1557         * config/ia64/ia64.md (load_fptr): Likewise.
1558         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
1559         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
1560         * config/mcore/mcore.c (block_move_sequence): Likewise.
1561         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
1562         * config/pa/pa.c (legitimize_pic_address): Likewise.
1563         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1564         (rs6000_emit_move): Likewise.
1565         * config/s390/s390.c (legitimize_pic_address): Likewise.
1566         (legitimize_tls_address): Likewise.
1567         * config/s390/s390.md (casesi): Likewise.
1568         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
1569         * config/sh/sh.md (symGOT2reg): Likewise.
1570         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
1571         * config/v850/v850.md (casesi): Likewise.
1572
1573         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
1574         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
1575         * config/mips/mips.c (mips_restore_gp): Likewise.
1576         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
1577         * config/sh/sh.c (sh_reorg): Likewise.
1578
1579 2004-08-18  Richard Henderson  <rth@redhat.com>
1580
1581         * tree.h (struct tree_decl): Add gimple_formal_temp.
1582         (DECL_GIMPLE_FORMAL_TEMP_P): New.
1583         * gimplify.c (pop_gimplify_context): Clear it.
1584         (lookup_tmp_var): Set it, if is_formal.
1585         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
1586         Use is_gimple_val for VECTOR.  Simplify return value.
1587         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
1588         (gimplify_expr): Likewise.
1589         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
1590         is_gimple_tmp_rhs for clarity.  Update all callers.
1591         (is_gimple_reg_rhs): Simplify logic.
1592         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
1593         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
1594         (is_gimple_formal_tmp_reg): Similarly.
1595         * tree-gimple.h: Update decls.
1596         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
1597         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
1598         * tree-ssa-live.c (var_union, type_var_init): Likewise.
1599
1600 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
1601
1602         * c4x.c (legitimize_operands): Remove calls to
1603         preserve_subexpressions_p.
1604
1605 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
1606
1607         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
1608         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
1609
1610 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
1611
1612         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
1613         Objective-C++ extensions.
1614         * gengtype.c (get_file_basename): Match entire subdirectory name
1615         ('cp', 'objc', 'objcp') rather than just its suffix.
1616         (get_base_file_bitmap): Allow for files to belong to more than one
1617         language.
1618         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
1619         used by more than one front-end.
1620
1621 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
1622
1623         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
1624         avoid use of preserve_subexpressions_p.
1625
1626 2004-08-17  Richard Henderson  <rth@redhat.com>
1627
1628         PR 17051
1629         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
1630
1631 2004-08-17  DJ Delorie  <dj@redhat.com>
1632
1633         * doc/extend.texi: Document new xstormy16 attribute.
1634
1635         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
1636         (xstormy16_splittable_below100_or_register): New.
1637         (combine_bnp): New.
1638         (xstormy16_reorg): New.
1639         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1640
1641         * config/stormy16/stormy16.md (movqi_internal): Make name public.
1642         (movhi_internal): Likewise.
1643         (cbhranchhi): Likewise.
1644         (cbhranchhi_neg): Likewise.
1645         (andhi3): Only allow splittable below100 operands.
1646         (iorhi3): Likewise.
1647         (peephole2): New and/zero_extend->and peephole.
1648         (peephole2): New load/ior/save->set1 peephole.
1649         (peephole2): New load/and/save->clr1 peephole.
1650         (bclrx, bclrx2, bclr7, bclr15): New.
1651         (bsetx, bsetx2, bset7, bset15): New.
1652
1653         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
1654         liberal about acceptable 'B' masks.
1655
1656         * config/stormy16/stormy16-protos.h
1657         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
1658         xstormy16_below100_operand, xstormy16_below100_or_register,
1659         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
1660         (PREDICATE_CODES): Add new predicates.
1661
1662         * config/stormy16/stormy16.c
1663         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
1664         xstormy16_below100_operand, xstormy16_below100_or_register,
1665         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
1666         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
1667         (xstormy16_legitimate_address_p): Allow below100 symbols.
1668         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
1669         (xstormy16_expand_move): Leave below100 operands as-is.
1670         (xstormy16_encode_section_info): Encode below100 symbols.
1671         (xstormy16_strip_name_encoding): New.
1672         (xstormy16_print_operand): Print 'b' as shift mask.
1673         (xstormy16_attribute_table): Add below100 attributes.
1674         (xstormy16_handle_below100_attribute): New.
1675
1676         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
1677         (XSTORMY16_SECTION_FUNCTION): New.
1678         (EXTRA_SECTION_FUNCTIONS): Define using the above.
1679         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
1680         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
1681         (ASM_OUTPUT_LABELREF): Define.
1682
1683         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
1684         (movhi_internal): Add below100 support.
1685         (andhi3): Add below100 support.
1686         (iorhi3): Add below100 support.
1687         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
1688
1689 2004-08-17  James E Wilson  <wilson@specifixinc.com>
1690
1691         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
1692         of VOIDmode for comparison code mode.
1693         * config/mips/mips.md: For conditional move patterns, use mode of
1694         first compare operand for comparison mode, instead of VOIDmode.
1695
1696         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
1697         normal and -ffast-math code.
1698
1699 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
1700
1701         PR c++/15871
1702         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
1703
1704 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
1705
1706         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
1707
1708 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
1709
1710         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
1711         for non Darwin targets.
1712         (*call_value_nonlocal_darwin64): Likewise.
1713
1714 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
1715
1716         * config/rs6000/rs6000.c (rs6000_function_value): Check for
1717         altivec mode for altivec return register.
1718
1719 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
1720
1721         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
1722         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1723         * config/rs6000/rs6000.md: Include darwin.md.
1724         (builtin_setjmp_receiver): Add DImode case.
1725         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
1726         Darwin bits.
1727
1728 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
1729
1730         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
1731         trees.
1732         * tree-vectorizer.h: New File: Same.
1733         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
1734         * common.opt (ftree-vectorize): New flag to enable vectorization.
1735         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
1736         vectorization pass.
1737         * tree-data-ref.h (init_data_ref): Additional argument.
1738         (array_base_name_differ_p): Moved to tree-data-ref.c.
1739         * tree-data-ref.c (array_base_name_differ_p): Revised.
1740         (initialize_data_dependence_relation): Call array_base_name_differ_p
1741         with an extra argument.
1742         (analyze_all_data_dependences): Same.
1743         (init_data_ref): Additional argument is_read to set DR_IS_READ.
1744         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
1745         file.
1746         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
1747         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
1748         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
1749         vectorization pass.
1750         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
1751         (tree_ssa_loop_done): Call scev_finalize.
1752         (tree_vectorize): Define the new vectorization pass.
1753         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
1754         size of the vector they support (until support for multiple vector
1755         sizes is added to the vectorizer).
1756         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
1757         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
1758         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
1759         documentation.
1760
1761 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
1762
1763         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
1764         usage.
1765         (generate_protocol_list, handle_impent): Likewise.
1766
1767 2004-08-17  Roger Sayle  <roger@eyesopen.com>
1768
1769         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
1770         ensure that call_used_regs is a superset of both fixed_regs and
1771         call_really_used_regs.
1772
1773 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
1774
1775         PR target/17019
1776         * arm.md (addsi3_cbranch_scratch): Correct case labels.
1777
1778 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
1779
1780         PR middle-end/17036
1781         * fold-const.c (fold): Check for integer operand when
1782         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
1783         Pinski  <pinskia@physics.uc.edu>.
1784
1785 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
1786
1787         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
1788         No need to check if in a cross configuration.
1789         * configure: Regenerate.
1790
1791         * calls.c (precompute_register_parameters):
1792         Inline preserve_subexpressions_p ().
1793         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
1794         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
1795         Likewise.
1796         * expr.c (get_subtarget): Likewise.
1797         * rtl.h (preserve_subexpressions_p): Remove.
1798         * stmt.c (preserve_subexpressions_p): Remove.
1799
1800         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
1801         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
1802         Abort on gimplified cases.
1803
1804 2004-08-16  James E Wilson  <wilson@specifixinc.com>
1805
1806         * tree.h (VECTOR_FLOAT_TYPE_P): New.
1807         (FLOAT_TYPE_P): Use it.
1808         * c-typeck.c (build_binary_op): After convert calls, check for
1809         check for ERROR_MARK operands.
1810
1811 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
1812
1813         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
1814         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
1815         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
1816         (genobjs static pattern rule): Remove %.c dependency.
1817         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
1818         Rename rules; delete commands; fix dependencies.
1819         (mostlyclean): Do not delete temporary source copies.
1820         * configure.ac: Delete all references to BUILD_PREFIX and
1821         BUILD_PREFIX_1.
1822         * configure: Regenerate.
1823
1824         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
1825         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
1826         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
1827         with #ifndef GENERATOR_FILE so that nothing from those headers
1828         is used.
1829
1830         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
1831
1832 2004-08-16  Adam Nemet  <anemet@lnxw.com>
1833
1834         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
1835
1836 2004-08-16  Andrew Pinski  <apinski@apple.com>
1837
1838         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
1839         extraneous semicolon.
1840
1841 2004-08-16  Devang Patel  <dpatel@apple.com>
1842
1843         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
1844         * print-tree.c (print_node): Print DECL_PRESERVE_P.
1845         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
1846         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
1847         * target.h (struct gcc_target): New member, mark_decl_preserved.
1848         * hooks.c (hook_void_charptr): Rename to ...
1849         (hook_void_constcharptr): ... new name.
1850         * hooks.h (hook_void_charptr): Rename to ..
1851         (hook_void_constcharptr): ... new name.
1852         * tree.h (DECL_PRESERVE_P): New #define.
1853         (struct tree_decl): New member, preserve_flag.
1854         * varasm.c (assemble_start_function): Mark decl preserved.
1855         (assemble_variable): Same.
1856         * darwin.c (darwin_mark_decl_preserved): New function.
1857         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
1858         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
1859         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
1860
1861 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
1862
1863         * c-decl.c (grokdeclarator): Allow for function definition where
1864         innermost declarator has attributes.
1865
1866 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
1867
1868         * except.c (get_exception_filter, build_post_landing_pads,
1869         dw2_build_landing_pads): Use target-specific mode for 'filter'.
1870         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
1871         * target.h (eh_return_filter_mode): New field added.
1872         * targhooks.c (default_eh_return_filter_mode): Defined.
1873         * targhooks.h (default_eh_return_filter_mode): Declared.
1874         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
1875
1876 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
1877
1878         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
1879         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
1880         * configure: Regenerate.
1881
1882 2004-08-16  Stan Shebs  <shebs@apple.com>
1883
1884         Basic support for 64-bit Darwin.
1885         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1886         (machopic_legitimize_pic_address): Similarly, plus use Pmode
1887         instead of SImode.
1888         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
1889         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
1890         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
1891         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
1892         (PROCESSOR_DEFAULT64): Define.
1893         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
1894         Darwin.
1895         * config/rs6000/rs6000.md: Include darwin.md.
1896         (builtin_setjmp_receiver): Add DImode case.
1897         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
1898         Darwin.
1899         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
1900         (rs6000_emit_move): Add DImode case to Darwin bits.
1901         (machopic_output_stub): Use .quad if 64-bit.
1902         * invoke.texi: Document -m32 and -m64.
1903
1904 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
1905
1906         * doc/extend.texi (AltiVec builtins): Document additional differences
1907         from the Motorola AltiVec PIM.
1908
1909 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
1910
1911         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
1912         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
1913         (struct tree_common): Update public_flag documentation.
1914
1915 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
1916
1917         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1918         Check for artificial variables, not is_gimple_tmp_var.
1919         * tree-ssa-live.c (var_union): Likewise.
1920
1921 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
1922
1923         * calls.c (load_register_parameters): Remove spurious FIXME token.
1924
1925 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
1926
1927         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
1928         (c-lang.o): Depend on c-objc-common.h.
1929         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
1930         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
1931         * c-lang.c: Include c-objc-common.h.
1932         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
1933         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
1934         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
1935         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
1936         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
1937         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
1938         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
1939         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
1940         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
1941         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
1942         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
1943         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
1944         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
1945         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
1946         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
1947         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1948         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
1949         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1950         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
1951         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
1952         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
1953         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
1954         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
1955         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
1956         Move to c-objc-common.h.
1957         * c-objc-common.c: Include c-objc-common.h.
1958         * c-objc-common.h: New file.
1959
1960 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
1961             Andrew Pinski  <pinskia@physics.uc.edu>
1962
1963         PR target/14931
1964         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
1965         style.
1966
1967 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
1968
1969         * tree.h (build_int_cst): New.
1970         (build_int_2): Remove.
1971         * tree.c (build_int_2): Remove.
1972         (build_int_cst): New.
1973         (make_vector_type, build_common_tree_nodes,
1974         build_common_tree_nodes_2): Use build_int_cst.
1975         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
1976         expand_builtin_strpbrk, expand_builtin_fputs,
1977         build_string_literal, expand_builtin_printf,
1978         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
1979         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
1980         fold_builtin_isdigit, simplify_builtin_strstr,
1981         simplify_builtin_strpbrk, fold_builtin_fputs,
1982         simplify_builtin_sprintf): Use build_int_cst.
1983         * c-common.c (start_fname_decls, fix_string_type,
1984         c_common_nodes_and_builtins, c_init_attributes,
1985         shorten_compare): Likewise.
1986         * c-decl.c (complete_array_type,
1987         check_bitfield_type_and_width): Likewise.
1988         * c-lex.c (interpret_integer, lex_charconst): Likewise.
1989         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
1990         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1991         * c-typeck.c (really_start_incremental_init, push_init_level,
1992         set_nonincremental_init_from_string): Likewise.
1993         * calls.c (load_register_parameters): Likewise.
1994         * convert.c (convert_to_pointer): Likewise.
1995         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
1996         build_fn_info_type, build_ctr_info_value, build_gcov_info):
1997         Likewise.
1998         * except.c (init_eh, assign_filter_values, assign_filter_values):
1999         Likewise.
2000         * expmed.c (store_fixed_bit_field, extract_bit_field,
2001         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2002         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2003         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2004         * expr.c (convert_move, emit_group_load, emit_group_store,
2005         expand_assignment, store_constructor, store_field,
2006         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2007         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2008         invert_truthvalue, optimize_bit_field_compare,
2009         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2010         fold_div_compare, fold, fold_read_from_constant_string,
2011         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2012         * function.c (assign_parm_setup_block): Likewise.
2013         * stmt.c (shift_return_value, expand_end_case_type,
2014         estimate_case_costs): Likewise.
2015         * stor-layout.c (layout_type, initialize_sizetypes,
2016         set_min_and_max_values_for_integral_type): Likewise.
2017         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2018         reset_evolution_in_loop): Likewise.
2019         * tree-chrec.h (build_polynomial_chrec): Likewise.
2020         * tree-complex.c (build_replicated_const): Likewise.
2021         * tree-eh.c (honor_protect_cleanup_actions,
2022         lower_try_finally_onedest, lower_try_finally_copy,
2023         lower_try_finally_switch): Likewise.
2024         * tree-mudflap.c (mf_build_string, mx_register_decls,
2025         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2026         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2027         * tree-pretty-print.c (dump_generic_node): Likewise.
2028         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2029         Likewise.
2030         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2031         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2032         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2033         Likewise.
2034
2035         * config/alpha/alpha.c (alpha_initialize_trampoline,
2036         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
2037         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2038         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2039         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2040         * config/i860/i860.c (i860_va_start): Likewise.
2041         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2042         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2043         mips_gimplify_va_arg_expr): Likewise.
2044         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2045         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2046         add_compiler_branch_island): Likewise.
2047         * config/s390/s390.c (s390_va_start): Likewise.
2048         * config/sh/sh.c (sh_va_start): Likewise.
2049         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2050         Likewise.
2051         * config/xtensa/xtensa.c (xtensa_va_start,
2052         xtensa_gimplify_va_arg_expr): Likewise.
2053
2054         * objc/objc-act.c (build_objc_string_object,
2055         build_objc_symtab_template, init_def_list, init_objc_symtab,
2056         init_module_descriptor, generate_static_references,
2057         build_selector_translation_table, get_proto_encoding,
2058         build_typed_selector_reference, build_selector_reference,
2059         build_next_objc_exception_stuff,
2060         build_method_prototype_list_template, generate_descriptor_table,
2061         generate_protocols, build_protocol_initializer,
2062         build_ivar_list_template, build_method_list_template,
2063         build_ivar_list_initializer, generate_ivars_list,
2064         generate_dispatch_table, generate_protocol_list,
2065         build_category_initializer, build_shared_structure_initializer,
2066         generate_shared_structures, handle_impent,
2067         generate_objc_image_info): Use build_int_cst.
2068
2069 2004-08-15  Ben Elliston  <bje@au.ibm.com>
2070
2071         * vec.h: Comment improvements.
2072
2073 2004-08-14  Roger Sayle  <roger@eyesopen.com>
2074
2075         * c-common.c (shorten_compare, pointer_int_sum,
2076         c_common_truthvalue_conversion, boolean_increment): Replace calls
2077         to build with calls to buildN.
2078         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
2079         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
2080         gimplify_switch_stmt): Likewise.
2081         * c-typeck.c (default_function_array_conversion,
2082         build_component_ref, build_array_ref, build_function_call,
2083         pointer_diff, build_unary_op, build_conditional_expr,
2084         build_compound_expr, build_modify_expr, c_finish_goto_label,
2085         c_finish_goto_ptr, c_finish_return, c_finish_loop,
2086         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
2087         build_binary_op): Likewise.
2088
2089 2004-08-15  Steven Bosscher  <stevenb@suse.de>
2090
2091         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
2092
2093 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2094
2095         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
2096         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
2097         * fixinc/fixincl.x: Rebuilt.
2098
2099 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
2100
2101         * config/mips/mips-protos.h (mips_symbolic_constant_p)
2102         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
2103         (mips_small_data_pattern_p): Declare.
2104         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
2105         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2106         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
2107         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
2108         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
2109         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
2110         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
2111         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
2112         (pc_or_label_operand, call_insn_operand, move_operand)
2113         (consttable_operand, symbolic_operand, general_symbolic_operand)
2114         (global_got_operand, local_got_operand, stack_operand)
2115         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
2116         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
2117         (mips_small_data_pattern_p): Replace previous small_data_pattern
2118         predicate.  Turn into a bool () (rtx) function.
2119         * config/mips/predicates.md: New file.
2120         * config/mips/mips.md: Include it.  Use the target-independent
2121         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
2122         trap_comparison_operator and equality_op to equality_operator.
2123         Replace uses of small_int with the equivalent const_arith_operand.
2124         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
2125         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
2126         to fcc_reload_operand.
2127         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
2128
2129 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2130
2131         PR libstdc++/17005 partial fix.
2132         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
2133         except when generating ANSI/C89 code.
2134
2135 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
2136
2137         * c-common.c (shorten_compare): Use force_fit_type directly.
2138
2139 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
2140             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
2141             Dave Korn  <dk@artimi.com>
2142
2143         * doc/install.texi (Building): Avoid duplicate reference to GNU
2144         make requirement.
2145         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
2146
2147 2004-08-14  Richard Henderson  <rth@redhat.com>
2148
2149         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
2150         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
2151
2152 2004-08-13  Richard Henderson  <rth@redhat.com>
2153
2154         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
2155         for constant_call_address_operand.
2156         (call_value_pop_1, call_value_1): Likewise.
2157         (sibcall_value_1, call_value_1_rex64): Likewise.
2158
2159 2004-08-13  James E Wilson  <wilson@specifixinc.com>
2160
2161         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
2162         Correct mode from SFmode to DFmode.
2163
2164 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
2165
2166         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
2167         __cstring_object and __image_info sections with the no_dead_strip
2168         attribute.
2169
2170 2004-08-13  Roger Sayle  <roger@eyesopen.com>
2171             David Billinghurst  <David.Billinghurst@riotinto.com>
2172
2173         PR libgfortran/15930
2174         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
2175         * fixinc/fixincl.x: Regenerate.
2176         * fixinc/tests/base/internal/math_core.h: New file.
2177
2178 2004-08-13  Richard Henderson  <rth@redhat.com>
2179
2180         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
2181         (dbxout_function_end): Remove ifdefs for it.
2182         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
2183
2184 2004-08-13  Richard Henderson  <rth@redhat.com>
2185
2186         * Makefile.in (insn-preds.o): Depend on TREE_H.
2187         * genpreds.c (write_insn_preds_c): Include tree.h.
2188         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
2189         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
2190         const48_operand, and_operand, or_operand, mode_width_operand,
2191         mode_mask_operand, mul8_operand, const0_operand,
2192         hard_fp_register_operand, hard_int_register_operand,
2193         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
2194         samegp_function_operand, direct_call_operand, small_symbolic_operand,
2195         global_symbolic_operand, call_operand, symbolic_operand,
2196         dtp16_symbolic_operand, dtp32_symbolic_operand,
2197         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
2198         gottp_symbolic_operand, alpha_comparison_operator,
2199         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
2200         signed_comparison_operator, alpha_fp_comparison_operator,
2201         divmod_operator, fix_operator, aligned_memory_operand,
2202         unaligned_memory_operand, reg_or_unaligned_mem_operand,
2203         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
2204         reg_no_subreg_operand, addition_operation): Move to predicates.md.
2205         (reg_or_const_int_operand): Remove.  Replace all users with
2206         reg_or_cint_operand.
2207         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
2208         (resolve_reload_operand): Split out of aligned_memory_operand.
2209         * config/alpha/alpha-protos.h: Update for exports.
2210         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
2211         * config/alpha/alpha.md: Include predicates.md.
2212         * config/alpha/predicates.md: New file.
2213
2214 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
2215
2216         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
2217         fields with a pointer to the instruction definition.
2218         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
2219         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
2220         (write_attr_case, write_const_num_delay_slots): Update accordingly.
2221         (write_attr_case, write_const_num_delay_slots): Write the name of
2222         an insn next to its case statement.
2223         * genoutput.c (data): Add a filename field.
2224         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
2225         (output_insn_data): Print the location of each insn definition.
2226         * genrecog.c (write_action): Print the name of an insn above
2227         the statement that returns its code.
2228
2229 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
2230
2231         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
2232         * config/libgloss.h: Likewise.
2233         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
2234         * c4x/c4x-modes.def: Likewise.
2235         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
2236         (c4x_rptb_nop_p): Likewise.
2237         (c4x_rptb_valid_p): Likewise.
2238         (c4x_rptb_insert): Likewise.
2239         (c4x_address_conflict): Likewise.
2240         * config/c4x/c4x.md: Likewise.
2241         * config/frv/frv.md: Likewise.
2242         * config/i386/athlon.md: Likewise.
2243         * config/i386/i386.md: Likewise.
2244         * config/i386/predicates.md: Likewise.
2245         * config/ia64/ia64.c: Likewise.
2246         * config/ia64/itanium1.md: Likewise.
2247         * config/ia64/itanium2.md: Likewise.
2248         * config/iq2000/iq2000.md: Likewise.
2249         * config/mcore/mcore.c: Likewise.
2250         * config/mips/mips.c: Likewise.
2251         * config/mips/r3900.h: Likewise.
2252         * config/mips/sb1.md: Likewise.
2253         * config/pa/milli64.S: Likewise.
2254         * config/pa/pa.c: Likewise.
2255         * config/pa/pa.h: Likewise.
2256         * config/rs6000/8540.md: Likewise.
2257
2258 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
2259
2260         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
2261
2262 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
2263
2264         * sh.md (cbranch define_delay) Use cond_delay_slot for
2265         non-anulled condition too.
2266
2267 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
2268
2269         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
2270         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
2271         any_parallel_operand, lmw_operation, stmw_operation,
2272         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
2273         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
2274         any_parallel_operand.
2275         (return_and_restore_fpregs_{si,di}): Same.
2276
2277 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
2278
2279         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
2280         if pred->singleton != PARALLEL, issue a warning and pretend it was.
2281         Also issue a warning for any predicate we don't know about.
2282
2283 2004-08-12  Richard Henderson  <rth@redhat.com>
2284
2285         * config/i386/i386.c (internal_label_prefix): Export.
2286         (internal_label_prefix_len, struct ix86_address,
2287         ix86_decompose_address, maybe_get_pool_constant,
2288         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
2289         memory_address_length): Export.
2290         (any_fp_register_operand, fp_register_operand,
2291         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
2292         x86_64_general_operand, x86_64_szext_general_operand,
2293         x86_64_nonmemory_operand, x86_64_movabs_operand,
2294         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
2295         x86_64_zext_immediate_operand, const_int_1_31_operand,
2296         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
2297         tls_symbolic_operand, global_dynamic_symbolic_operand,
2298         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
2299         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
2300         constant_call_address_operand, const0_operand, const1_operand,
2301         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
2302         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
2303         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
2304         general_no_elim_operand, nonmemory_no_elim_operand,
2305         index_register_operand, q_regs_operand, flags_reg_operand,
2306         non_q_regs_operand, zero_extended_scalar_load_operand,
2307         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
2308         ix86_comparison_operator, ix86_carry_flag_operator,
2309         fcmov_comparison_operator, promotable_binary_operator,
2310         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
2311         mult_operator, div_operator, arith_or_logical_operator,
2312         memory_displacement_operand, cmpsi_operand, long_memory_operand,
2313         aligned_operand): Move to predicates.md as define_predicates.
2314         (tls_symbolic_operand_1): Remove.
2315         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
2316         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
2317         (legitimize_address): Merge tls_symbolic_operand contents.
2318         (ix86_expand_move): Likewise.
2319         * config/i386/i386-protos.h: Update for exports.
2320         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
2321         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
2322         * config/i386/i386.md: Include predicates.md.
2323         * config/i386/predicates.md: New file.
2324
2325 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
2326
2327         PR c++/16924
2328         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
2329         SYMBOL_REF_DECL.
2330         (i386_pe_mark_dllimport): Likewise.
2331         (i386_pe_encode_section_info): Likewise, when overriding
2332         dllimport attribute.
2333
2334 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
2335
2336         * configure.ac: When testing for flex, nm, ar, and bison, check
2337         that they will actually be built.
2338         * configure: Regenerate.
2339
2340 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
2341
2342         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
2343         (MOVE_MAX_PIECES): Define.
2344
2345 2004-08-12  Devang patel  <dpatel@apple.com>
2346
2347         * dbxout.c (dbxout_begin_prologue): New function.
2348         (dbx_debug_hooks): Use new begin prologue hook.
2349         (dbxout_function_end): Emit N_ENSYM.
2350         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
2351
2352 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
2353
2354         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
2355         argument is float*.
2356
2357         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
2358         for vec_dss.
2359
2360         * doc/extend.texi (AltiVec builtins): Fix description for recent
2361         changes.  Update operation list to match current support.
2362
2363 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2364
2365         * config/s390/s390.c (struct s390_frame_layout): New struct as element
2366         of struct machine_function.
2367         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
2368         changed all uses.
2369         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
2370         changed all uses.
2371         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
2372         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
2373         (s390_frame_area, s390_register_info): New functions.
2374         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
2375         for base register.
2376         (s390_return_addr_rtx, s390_return_address_offset)
2377         (s390_va_start, s390_gimplify_va_arg)
2378         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
2379         layouts.
2380         (s390_frame_info): Functionality partly moved to s390_register_info.
2381         Made adaptions for new stack layout.
2382         (save_gprs, restore_gprs): Changed meaning of second parameter and
2383         adapted all callers.
2384
2385         * config/s390/s390.h (s390_backchain_string): New global variable.
2386         (MASK_BACKCHAIN): Removed definition.
2387         (TARGET_BACKCHAIN): Changed check.
2388         (TARGET_KERNEL_BACKCHAIN): New macro.
2389         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
2390         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
2391         "kernel-backchain".
2392         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
2393
2394         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
2395         as condition.  Adjusted for new stack layout.
2396
2397         * doc/invoke.texi: Added documentation for new option
2398         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
2399         "-mno-backchain".
2400
2401 2004-08-12  Paul Brook  <paul@codesourcery.com>
2402
2403         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
2404         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
2405
2406 2004-08-12  David Daney  <ddaney@avtrex.com>
2407
2408         * java/gcj.texi:  Add subsection on signal usage.
2409
2410 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
2411
2412         * expr.c (move_by_pieces): Set alignment for move to minimum of
2413         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
2414         alignment, but not less than the original alignment.
2415         (move_by_pieces_ninsns): Same.
2416         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
2417         (store_by_pieces_1): Same.
2418
2419 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
2420
2421         PR tree-optimization/16867
2422         * tree.c (is_global_var): New function.
2423         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
2424         Call is_global_var.
2425         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
2426         Update all users.
2427         (is_global_var): Declare.
2428         * tree-dfa.c (dump_variable): Display global and addressable
2429         attributes.
2430         (add_referenced_var): Clarify documentation when marking
2431         variables call-clobbered.
2432         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
2433         instead of needs_to_live_in_memory.
2434         (mark_call_clobbered): If the variable is a tag, mark it
2435         DECL_EXTERNAL.
2436         * tree-gimple.c (is_gimple_reg): Don't check for
2437         TREE_ADDRESSABLE.
2438         (is_gimple_non_addressable): Likewise.
2439         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
2440         needs to be marked call-clobbered.
2441         (setup_pointers_and_addressables): Call is_global_var instead
2442         of needs_to_live_in_memory.
2443         * tree-ssa-dce.c (need_to_preserve_store): Remove.
2444         Update all users with is_global_var.
2445         (mark_stmt_if_obviously_necessary): Fix processing of aliased
2446         stores.  Don't check the virtual definitions.  Rather, check
2447         whether the store is going into global memory.
2448         (find_obviously_necessary_stmts): Get the symbol from the PHI
2449         result.
2450         * tree-ssa-operands.c (get_call_expr_operands): Do not add
2451         clobbering may-defs if the call does not have side effects.
2452
2453 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR c++/16276
2456         * output.h (default_function_rodata_section,
2457         default_no_function_rodata_section): New prototypes.
2458         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
2459         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2460         (TARGET_ASM_OUT): Add it.
2461         * varasm.c (default_function_rodata_section,
2462         default_no_function_rodata_section): New functions.
2463         * final.c (final_scan_insn): Call
2464         targetm.asm_out.function_rodata_section instead of
2465         readonly_data_section.
2466         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2467         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2468         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2469         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2470         Likewise.
2471         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2472         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2473         Likewise.
2474         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2475         Likewise.
2476         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2477         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2478         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
2479
2480 2004-08-12  Paul Brook  <paul@codesourcery.com>
2481
2482         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
2483         frame info.
2484         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
2485         DWARF2_UNWIND_INFO.
2486
2487 2004-08-12  Ben Elliston  <bje@au.ibm.com>
2488
2489         PR target/16286
2490         * config/rs6000/altivec.h: Change vector to __vector throughout.
2491         (Except for the `vector' macro itself).
2492
2493 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
2494
2495         * genpreds.c: Add capability to generate predicate bodies as
2496         well as function prototypes.  Write function prototypes for
2497         the generic predicates too.
2498         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
2499         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
2500         (write_match_code, write_predicate_expr, write_one_predicate_function)
2501         (parse_option): New functions.
2502         (output_predicate_decls): Delete.
2503         (main): Read the machine description, process DEFINE_PREDICATE or
2504         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
2505         as appropriate.
2506
2507         * genrecog.c (struct decision_test): Replace index with
2508         struct pred_data pointer.
2509         (next_index): Remove, unused.
2510         (pred_table, preds, special_mode_pred_table): Delete.
2511         (compute_predicate_codes, process_define_predicate): New functions.
2512         (validate_pattern, add_to_sequence, write_switch): Update for
2513         new data structures.
2514         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2515         Check both error_count and have_error.
2516
2517         * gensupport.c (in_fname, first_predicate): New globals.
2518         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
2519         (predicate_table, last_predicate, old_pred_table)
2520         (old_special_pred_table): New statics.
2521         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
2522         (add_predicate, init_predicate_table): New functions.
2523         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2524         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
2525         it or max_include_len.  Call init_predicate_table.
2526         (read_rtx): Run the predicate queue after the attribute queue
2527         but before all the others.
2528         * gensupport.h (in_fname, struct pred_data, first_predicate)
2529         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
2530         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
2531         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
2532         * dummy-conditions.c: Don't include bconfig.h, system.h,
2533         coretypes.h, tm.h, or system.h.  Do include stddef.h.
2534         Duplicate declaration of struct c_test from gensupport.h.
2535
2536         * Makefile.in (OBJS-common): Add insn-preds.o.
2537         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
2538         (insn-preds.c, insn-preds.o): New rules.
2539         (s-preds): Also generate insn-preds.c.
2540         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
2541         Update dependencies.
2542         (print-rtl.o, print-rtl1.o): Correct dependencies.
2543
2544         * recog.h: Delete prototypes of predicate functions.
2545
2546         * doc/md.texi (Predicates): New section with complete
2547         documentation of operand/operator predicates.  Remove some
2548         incomplete documentation of predicates from other places.
2549         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
2550         PREDICATE_CODES; indicate that both are deprecated in favor
2551         of define_predicate/define_special_predicate.
2552
2553         * config/ia64/ia64.c: All predicate function definitions moved
2554         to ia64.md, except
2555         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
2556         (ia64_expand_load_address, ia64_expand_move):
2557         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
2558
2559         * config/ia64/ia64.md: All predicates now defined here.
2560         (symbolic_operand): Is now a special predicate.
2561
2562         * config/ia64/ia64.h: Declare ia64_section_threshold.
2563         (PREDICATE_CODES): Delete.
2564
2565 2004-08-12  Richard Henderson  <rth@redhat.com>
2566
2567         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
2568         * c-semantics.c (add_stmt): Set it.
2569         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
2570         before instantiating a variable sized type.
2571
2572 2004-08-12  Richard Henderson  <rth@redhat.com>
2573
2574         * stor-layout.c (round_up, round_down): Move ...
2575         * fold-const.c (round_up, round_down): ... here.  Use
2576         multiple_of_p to avoid any arithmetic at all.
2577
2578 2004-08-12  Richard Henderson  <rth@redhat.com>
2579
2580         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
2581         (gimplify_init_ctor_preeval_1): New.
2582         (gimplify_init_ctor_preeval): New.
2583         (gimplify_init_ctor_eval): New.
2584         (gimplify_init_constructor): Use them.  Always gimplify the LHS
2585         object first.
2586
2587 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
2588
2589         (This patch is part of merge of objc-improvements-branch
2590         into mainline.)
2591
2592         * doc/frontends.texi: Mention Objective-C++ in addition to
2593         Objective-C.
2594         * doc/install.texi: Add 'obj-c++' to list of configurable
2595         languages.
2596         * doc/invoke.texi: Rename Objective-C option headings to
2597         indicate they also apply to Objective-C++.  List file
2598         extensions for Objective-C++ sources.  Mention that
2599         ObjC and ObjC++ compilations may also use C and C++ options,
2600         respectively.  Point users to doc/standards.texi for
2601         further info on ObjC and ObjC++.
2602         * doc/sourcebuild.texi: Mention the objcp/ directory and
2603         the Objective-C++ sources it contains.
2604         * doc/standards.texi: Update link to Apple ObjC site;
2605         add link to gcc readings.html WWW doc.
2606
2607 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
2608
2609         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
2610         and 2004-07-14 changes.
2611
2612 2004-08-12  Paul Brook  <paul@codesourcery.com>
2613
2614         * doc/invoke.texi: Fix typo.
2615
2616 2004-08-11 Devang Patel  <dpatel@apple.com>
2617
2618         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
2619         and -no_dead_strip_inits_and_terms.
2620         (LINK_SPEC): Same.
2621         * doc/invoke.texi (Darwin Options): Document -dead_strip and
2622         -no_dead_strip_inits_and_terms.
2623
2624 2004-08-11  Paul Brook  <paul@codesourcery.com>
2625
2626         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
2627         (arm_load_pic_register): ... to this.
2628         * config/arm/arm.c (arm_finalize_pic): Rename ...
2629         (arm_load_pic_register): ... to this.  Always output insns at the
2630         current location.  Load via low reg in thumb mode.
2631         (arm_expand_prologue): Call arm_load_pic_register.
2632         (thumb_expand_prologue): Ditto.
2633         * config/arm/arm.h (FINALIZE_PIC): Remove.
2634         * config/arm/arm.md (builtin_setjmp_receiver): Call
2635         arm_load_pic_register.
2636
2637 2004-08-11  Paul Brook  <paul@codesourcery.com>
2638
2639         * arm.c (thumb_force_lr_save): Add prototype.
2640         (thumb_compute_save_reg_mask): New function.
2641         (thumb_find_work_register): New function.
2642         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
2643         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
2644         Don't clobber r3 when removing pretend args.
2645         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
2646         (thumb_output_function_prologue): Use new functions.
2647         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
2648         * arm.h (THUMB_REG_PUSHED_P): Remove.
2649
2650 2004-08-11  James E Wilson  <wilson@specifixinc.com>
2651
2652         PR rtl-optimization/16490
2653         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
2654         global_live_at_end for new basic block if already set for other blocks.
2655
2656 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
2657
2658         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
2659
2660         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
2661         (mfcr rlwinm rlwinm patterns): Set length to 12.
2662
2663 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
2664
2665         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
2666         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
2667         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
2668         (start_ssa_stmt_operands): Delete.
2669         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
2670         struct stmt_operands_d.
2671         (build_ssa_operands): New extern entry point.
2672         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
2673         building code, replace with create_ssa_artficial_load_stmt().
2674         * tree-ssa-operands.c (struct voperands_d): Delete.
2675         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
2676         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
2677         (free_uses, free_defs, free_vuses, free_v_may_defs,
2678         free_v_must_defs): Remove dealloc parameter.
2679         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
2680         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
2681         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
2682         vector comparisons, ssa_name reuse, and allocations here.
2683         (verify_start_operands): Delete.
2684         (finalize_ssa_stmt_operands): Set new operands by calling finalize
2685         routines.
2686         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
2687         (append_def, append_usei): Simplify to simple accumulation.
2688         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
2689         duplicates and simple accumulation.
2690         (free_ssa_operands): Free vectors in a stmt_operand structure.
2691         (build_ssa_operands): New. Create a new stmt_operand structure from
2692         a stmt and an old set of stmt_operands.
2693         (get_stmt_operands): Simplify and call build_ssa_operands.
2694         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
2695         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
2696         add_call_read_ops): Don't pass prev_vops around anymore.
2697         (note_addressable): Return if no stmt annotation.
2698         (copy_virtual_operands): Access v_may_def operands through a struct.
2699         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
2700         hash tables without treating the stmt as a real stmt.
2701         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
2702         v_may_def def and use through a struct instead of 2 array elements.
2703         (struct v_may_def_optype_d): Use v_may_def_operand_type.
2704         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
2705
2706 2004-08-11  Nick Clifton  <nickc@redhat.com>
2707
2708         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
2709         this funciton's behaviour.  Return true when the current function
2710         has a section attribute and -mlong-calls is in effect.
2711         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
2712         short-call marker when -mlong-calls is in effect and the function
2713         has a section attribute.
2714
2715 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
2716
2717         * stmt.c (expand_return): If asked to return the RESULT_DECL,
2718         just call expand_value_return on result_rtl.
2719
2720 2004-08-10  Richard Henderson  <rth@redhat.com>
2721
2722         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
2723         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
2724         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
2725         (add_location_or_const_value_attribute): ... not here.  Use
2726         loc_descriptor_from_tree if possible.
2727         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
2728         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
2729         values specially.
2730         (loc_descriptor_from_tree): New.  Update callers.
2731         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
2732         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
2733         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
2734         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
2735         and BUILT_IN_STACK_RESTORE.
2736         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
2737         * stmt.c (expand_stack_alloc): Remove.
2738         * tree-mudflap.c (mx_register_decls): Don't look for
2739         BUILT_IN_STACK_ALLOC.
2740         * tree-nested.c (convert_local_reference): Likewise.
2741         * tree.h (DECL_VALUE_EXPR): New.
2742
2743 2004-08-10  Richard Henderson  <rth@redhat.com>
2744
2745         * stor-layout.c (round_up): Check for 0/1 before dividing.
2746         (round_down): Likewise.
2747
2748         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
2749
2750 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
2751
2752         * config.gcc (arm*-*-eabi*): New target.
2753         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
2754         (TARGET_LIB_INT_CMP_BIASED): Likewise.
2755         * expmed.c (expand_divmod): Try a two-valued divmod function as a
2756         last resort.
2757         * gthr.h: Remove bogus tokens at end of #pragma.
2758         * optabs.c (expand_twoval_binop_libfunc): New function.
2759         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
2760         (prepare_float_lib_cmp): Try reversing the condition.
2761         (debug_optab_libfuncs): New function.
2762         * optabs.h (expand_twoval_binop_libfunc): Declare.
2763         * config/arm/arm.c (arm_init_libfuncs): New function.
2764         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
2765         (TARGET_INIT_LIBFUNCS): Define it.
2766         * config/arm/arm.h (TARGET_BPABI): New macro.
2767         * config/arm/arm-protos.h
2768         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
2769         * config/arm/bpabi.S: New file.
2770         * config/arm/bpabi.c: Likewise.
2771         * config/arm/bpabi.h: Likewise.
2772         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
2773         (__aeabi_drsub): Likewise.
2774         (__aeabi_dsub): Likewise.
2775         (__aeabi_dadd): Likewise.
2776         (__aeabi_ui2d): Likewise.
2777         (__aeabi_i2d): Likewise.
2778         (__aeabi_f2d): Likewise.
2779         (__aeabi_dmul): Likewise.
2780         (__aeabi_ddiv): Likewise.
2781         (__aeabi_cdrcmple): Likewise.
2782         (__aeabi_cdcmpeq): Likewise.
2783         (__aeabi_cdcmple): Likewise.
2784         (__aeabi_dcmpeq): Likewise.
2785         (__aeabi_dcmplt): Likewise.
2786         (__aeabi_dcmple): Likewise.
2787         (__aeabi_dcmpge): Likewise.
2788         (__aeabi_dcmpgt): Likewise.
2789         (__aeabi_dcmpun): Likewise.
2790         (__aeabi_d2iz): Likewise.
2791         (__aeabi_d2uiz): Likewise.
2792         (__aeabi_d2f): Likewise.
2793         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
2794         (__aeabi_frsub): Likewise.
2795         (__aeabi_fsub): Likewise.
2796         (__aeabi_fadd): Likewise.
2797         (__aeabi_ui2f): Likewise.
2798         (__aeabi_i2f): Likewise.
2799         (__aeabi_fmul): Likewise.
2800         (__aeabi_fdiv): Likewise.
2801         (__aeabi_cfrcmple): Likewise.
2802         (__aeabi_cfcmpeq): Likewise.
2803         (__aeabi_cfcmple): Likewise.
2804         (__aeabi_fcmpeq): Likewise.
2805         (__aeabi_fcmplt): Likewise.
2806         (__aeabi_fcmple): Likewise.
2807         (__aeabi_fcmpge): Likewise.
2808         (__aeabi_fcmpgt): Likewise.
2809         (__aeabi_fcmpun): Likewise.
2810         (__aeabi_f2iz): Likewise.
2811         (__aeabi_f2uiz): Likewise.
2812         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
2813         (__aeabi_uidivmod): New function or alias.
2814         (__aeabi_idivmod): Likewise.
2815         (__aeabi_idiv0): Likewise.
2816         (__aeabi_ldiv0): Likewise.
2817         (__aeabi_llsr): Likewise.
2818         (__aeabi_lasr): Likewise.
2819         (__aeabi_llsl): Likewise.
2820         (bpabi.S): Include it.
2821         * config/arm/libgcc-bpabi.ver: New file.
2822         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
2823         (LINK_SPEC): Remove.
2824         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
2825         __aeabi_ulcmp.
2826         * config/arm/t-bpabi: New file.
2827         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
2828         (TARGET_LIB_INT_CMP_BIASED): Likewise.
2829
2830 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
2831
2832         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
2833         * config/rs6000/rs6000.md (clrmemsi): New pattern.
2834         * config/rs6000/rs6000.c (expand_block_clear): New function.
2835         (expand_block_move): Convert alignment to bits.  Use SImode and
2836         HImode for unaligned addresses if not STRICT_ALIGNMENT.
2837
2838 2004-08-10  Caroline Tice  <ctice@apple.com>
2839
2840         * varasm.c (unlikely_section_label): New global variable.
2841         (unlikely_text_section_name): New global variable.
2842         (text_section):  Remove alignment statement.
2843         (unlikely_text_section): Remove alignment statement; use
2844         unlikely_section_label rather than hard-coded string.
2845         (assemble_start_function): Initialize unlikely_section_label and
2846         unlikely_text_section_name;  make sure cold section is properly
2847         aligned at start of function; output unlikely_section_label if
2848         appropriate.
2849
2850 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
2851
2852         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
2853         * config/s390/s390.c (s390_canonicalize_comparison): New function.
2854         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
2855         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
2856         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
2857         ("*tmqi_mem"): Remove SUBREG from pattern.
2858         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
2859         ("*andsi3_cconly"): Likewise.
2860
2861 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2862
2863         PR target/16909
2864         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
2865
2866 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
2867
2868         * doc/sourcebuild.texi (compat testing): Document available test
2869         framework commands.  Use the preferred spelling of DejaGnu.
2870
2871 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
2872
2873         * lambda.h: Add matrix type, and prototypes for remainder of
2874         matrix and vector functions.
2875         (lambda_vector_mult_const): New function.
2876         (lambda_vector_negate): Ditto.
2877         (lambda_vector_add): Ditto.
2878         (lambda_vector_add_mc): Ditto.
2879         (lambda_vector_copy): Ditto.
2880         (lambda_vector_zerop): Ditto.
2881         (lambda_vector_equal): Ditto.
2882         (lambda_vector_min_nz): Ditto.
2883         (lambda_vector_first_nz): Ditto.
2884         (lambda_vector_matrix_mult): Ditto.
2885         * lambda-mat.c: New file.
2886         * Makefile.in (lambda-mat.o): New.
2887
2888 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
2889
2890         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
2891         after linking stmt into the program.
2892         (bsi_remove): Don't call modify_stmt.
2893         * tree-complex.c (update_complex_assignment,
2894         expand_complex_comparison): Call modify_stmt after changing the stmt.
2895         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
2896         removing the stmt.
2897         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
2898         the stmt, and only if needed.
2899         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
2900         expression.
2901         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
2902         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
2903         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
2904         (eliminate_redundant_computations): Don't pass an annotation. Call
2905         modify_stmt rather than setting the annotation directly.
2906         (record_equivalences_from_stmt): Remove unused local 'j'.
2907         (cprop_operand): Take a stmt rather than an annotation as a parameter.
2908         Call modify_stmt.
2909         (cprop_into_stmt): Pass stmt rather than annotation.
2910         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
2911         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
2912         modify_stmt.
2913         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
2914
2915 2004-08-10  Jason Merrill  <jason@redhat.com>
2916
2917         PR middle-end/16948
2918         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
2919         the RESULT_DECL.
2920
2921 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
2922
2923         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
2924         hash function.
2925
2926 2004-08-10  Roger Sayle  <roger@eyesopen.com>
2927
2928         * config/mips/mips.md: New reciprocal square root patterns that
2929         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
2930
2931 2004-08-10  Paul Brook  <paul@codesourcery.com>
2932
2933         * config/arm/arm-protos.h (arm_set_return_address,
2934         thumb_set_return_address): Add prototypes.
2935         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
2936         * config/arm/arm.c (arm_compute_func_type,
2937         use_return_insn, arm_compute_save_reg0_reg12_mask,
2938         arm_compute_save_reg_mask, arm_output_function_prologue,
2939         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
2940         current_function_calls_eh_return.
2941         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
2942         old eh code.
2943         (arm_set_return_address, thumb_set_return_address): New functions.
2944         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
2945         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
2946         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
2947         (epilogue): Use the stackadj register.
2948         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
2949
2950 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR target/3144
2953         * expr.c (move_by_pieces_ninsns): Add max_size argument.
2954         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
2955         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
2956         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
2957         but using MOVE_RATIO.
2958         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
2959         (can_store_by_pieces): Change max_size type to unsigned int.
2960         (store_by_pieces_1): Likewise.  Pass max_size to
2961         move_by_pieces_ninsns.
2962         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
2963         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
2964         to move_by_pieces_ninsns.
2965         (STORE_BY_PIECES_P): Define.
2966         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
2967         to move_by_pieces_ninsns.
2968         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
2969
2970         * config/i386/i386.h (CLEAR_RATIO): Define.
2971
2972 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
2973
2974         * expr.c (expand_expr_real_1): Add back code that was not dead.
2975
2976 2004-08-09  Andrew Pinski  <apinski@apple.com>
2977
2978         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
2979         which is found to be compatible before returning the aliasing set.
2980
2981 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
2982
2983         * ggc-zone.c (struct alloc_zone): Add statistics counters.
2984         (always_collect): New flag.
2985         (ggc_alloc_zone_1): Update statistics support.  Don't include
2986         overhead in allocated counter.
2987         (sweep_pages): Update allocated counter for large pages.  Don'y
2988         include overhead.
2989         (ggc_collect_1): Always collect.
2990         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
2991         whether to collect.
2992         (SCALE, LABEL): New macros.
2993         (ggc_print_statistics): Add statistics support.
2994
2995 2004-08-09  Roger Sayle  <roger@eyesopen.com>
2996
2997         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
2998         (init_expmed): Fix potential overrun problem with "all.reg".
2999         (expand_sdiv2_pow2): Add an alternate implementation for signed
3000         division, if the target provides a suitable conditional move insn.
3001
3002 2004-08-09  Paul Brook  <paul@codesourcery.com>
3003         Richard Henderson  <rth@redhat.com>
3004
3005         * unwind-dw2.c (uw_install_context_1): Update target saved stack
3006         pointer.
3007
3008 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
3009
3010         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
3011         Check DATA limit only if there's no AS limit.  Ignore insanely
3012         low DATA limits.
3013         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
3014         but take care that the AS limit isn't overrun.
3015         * doc/invoke.texi: Update documentation of min-heapsize parameter.
3016
3017 2004-08-09  Jeff Law  <law@redhat.com>
3018
3019         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
3020         (tree-ssa-threadupdate.o): Add dependencies.
3021         * tree-ssa-threadupdate.c: New file.
3022         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
3023         (rewrite_vars_out_of_ssa): Remove prototype.
3024         (cleanup_tree_cfg): Returns a bool.
3025         * tree.h (thread_through_all_blocks): Prototype.
3026         * tree-outof-ssa.c  (SSANORM_*): Move into here.
3027         (remove_ssa_form): Now static.
3028         (rewrite_vars_out_of_ssa): Kill.
3029         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
3030         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
3031         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
3032         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
3033         anything was changed.
3034         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
3035         from the PHI's annotation rather than the edge associated with
3036         the new argument.
3037         * tree-ssa-dom.c (redirection_edges): Kill.
3038         (redirect_edges_and_update_ssa_graph): Kill.
3039         (tree_ssa_dominator_optimize): Do not reset forwardable flag
3040         for blocks anymore.  Do not initialize redirection_edges.
3041         Call thread_through_all_blocks.  Simplify code for cleanup
3042         of the CFG and iterating.  No longer call cleanup_tree_cfg
3043         outside the iteration loop.
3044         (thread_across_edge): No longer mess with forwardable blocks.
3045
3046 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
3047
3048         * explow.c (memory_address): Use memory_address_p.
3049         * recog.c (general_operand): Likewise.
3050         * regrename.c: No need to define REG_OK_STRICT.
3051
3052 2004-08-09  Steven Bosscher  <stevenb@suse.de>
3053
3054         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
3055         New timers.
3056         * gcse.c: Include timevar.h.
3057         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
3058         and global_copy_prop_count.
3059         (local_const_prop_count, local_copy_prop_count): New static globals.
3060         (gcse_main): Set the right timevar for each pass.
3061         (cprop_jump): Increment global_const_prop_count when a constant is
3062         propagated.  Add "GLOBAL" to dump output.
3063         (cprop_insn): Increment global_const_prop_count when a constant is
3064         propagated, or global_copy_prop_count when a copy is propagated.
3065         (do_local_cprop): Likewise for local_const_prop_count and
3066         local_copy_prop_count.
3067         (one_cprop_pass): Initialize const/cprop counters to zero.
3068         Print out results of local and global const/cprop separately.
3069         (bypass_block): Break over-length line.
3070         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
3071         for bb-reorder.o and tracer.o.
3072
3073 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3074
3075         * Makefile.in (GTFILES): Remove stmt.c
3076         (stmt.o): Do not depend on gt-stmt.h.
3077         * emit-rtl.c (emit_line_note): Do not call
3078         set_file_and_line_for_stmt.
3079         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
3080         do everything.
3081         * function.c (free_after_parsing): Do not free STMT field.
3082         (allocate_struct_function): Do not call init_stmt_for_function.
3083         (assign_stack_temp_for_type): Do not accept values of keep
3084         other than 0 or 1.
3085         (init_temp_slots): Do not initialize removed variables.
3086         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
3087         and X_VAR_TEMP_SLOT_LEVEL fields.
3088         * rtl.h (set_file_and_line_for_stmt): Remove.
3089         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
3090         struct stmt_status, cond_stack, case_stack, nesting_stack,
3091         nesting_depth, emit_locus, set_file_and_line_for_stmt,
3092         same_case_target_p, init_stmt_for_function, emit_nop,
3093         expand_start_cond, expand_start_elseif, expand_start_else,
3094         expand_elseif, expand_end_cond): Remove.
3095         (preserve_subexpressions_p): Remove references to CFUN->STMT.
3096         (expand_start_case, expand_end_case_type): Remove, merge into...
3097         (expand_case): ... this one, including other bits from
3098         expand_expr_real_1.  Inline same_case_target_p.  Turn members
3099         of CASE_STACK into local variables.
3100         (emit_case_bit_tests): Inline same_case_target_p.
3101         (add_case_node): Add HEAD argument, return new head of the list,
3102         do not handle default label here.
3103         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
3104         expand_start_elseif, current_nesting_level, expand_start_case,
3105         expand_end_case_type, expand_end_case, add_case_node,
3106         init_stmt_for_function, expand_elseif): Remove prototypes.
3107         (expand_case): Add prototype.
3108
3109 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3110
3111         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
3112
3113 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3114
3115         * expr.c (var_rtx): Remove.
3116         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
3117         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
3118         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
3119         Abort.
3120         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
3121         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
3122         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
3123
3124 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
3125         Ayal Zaks <zaks@il.ibm.com>
3126
3127         * common.opt (freschedule-modulo-scheduled-loops): New flag.
3128         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
3129         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
3130         when -freschedule-modulo-scheduled-loops flag is not specified.
3131         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
3132         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
3133         More accurate placing of insn in row of partial schedule.
3134         (ps_insn_find_column): New function.
3135         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
3136         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
3137         (schedule_region): Use sched_is_disabled_for_current_region_p.
3138         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
3139
3140 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3141
3142         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
3143         change.
3144
3145 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3146
3147         * config/i386/i386.c (ix86_expand_clrmem): Properly call
3148         gen_strset for 64bit target.
3149
3150 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
3151
3152         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
3153
3154 2004-08-07  Jason Merrill  <jason@redhat.com>
3155
3156         Make return in memory explicit.
3157         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
3158         (assign_parm_find_data_types): Remove code for old front end
3159         invisible reference handling.
3160         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
3161         (expand_function_end): Likewise.
3162         * gimplify.c (gimplify_return_expr): Handle a dereferenced
3163         RESULT_DECL.
3164         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
3165         (declare_return_variable): Handle DECL_BY_REFERENCE.
3166         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
3167         (cp_genericize_r): Use convert_from_reference.
3168         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
3169         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
3170
3171         * c-common.c (c_warn_unused_result): Check TREE_USED before
3172         warning about a CALL_EXPR with an unused value.
3173
3174 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
3175
3176         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
3177         to the compiler.  Use -fshort-wchar by default.
3178
3179 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
3180
3181         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
3182         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
3183         threshhold.
3184         * doc/invoke.texi (param): Document min-crossjump-insns.
3185
3186 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
3187
3188         PR c/13282
3189         * c.opt (Wmissing-field-initializers): New option.
3190         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
3191         * c-typeck.c (pop_init_level): Guard the missing field warning with
3192         warn_missing_field_initializers rather than extra_warnings.
3193         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
3194         some of the explanation from...
3195         (-Wextra): ...here.  Say that the missing field warning can be
3196         seperately controlled by -Wmissing-field-initializers.
3197
3198 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
3199
3200         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
3201         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
3202         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
3203         * tree.def (ENTRY_VALUE_EXPR): Remove.
3204
3205 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
3206
3207         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
3208         the places where it is actually needed.  Don't use repz; stosb
3209         for -Os with sufficiently small constant sizes.
3210         For sufficiently small repz; stos{l,q} repeat counts use a sequence
3211         of stos{l,q} instructions instead.
3212
3213 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3214
3215         PR tree-optimization/16807
3216         * loop-iv.c (dump_iv_info): Dump invariants correctly.
3217         (iv_subreg, iv_extend): Express value of invariant purely in
3218         base field.
3219
3220 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
3221
3222         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
3223         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
3224
3225 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
3226
3227         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
3228         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
3229         pre_dec_operand.
3230         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
3231         pattern until reload is finished to allow better code generation
3232         and split them completely into separate instrunctions.
3233         (*andsi3_split): New pattern.
3234
3235 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
3236
3237         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
3238         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
3239         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3240         * tree.h (handle_dll_attribute): Declare.  Test
3241         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3242         * c-common.h (c_determine_visibility): Declare.
3243         * c-common.c (c_determine_visibility): New function.
3244         * c-decl.c (finish_decl): Use it.
3245         (finish_function): Likewise.
3246         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
3247         zero, by default.  Use #if, not #ifdef, to test it.
3248         * config/arm/arm.c (arm_attribute_table): Use
3249         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
3250         #if.
3251         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
3252         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3253         to 1.
3254         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
3255         * config/i386/i386.c (ix86_attribute_table): Use
3256         handle_dll_attribute for dllimport/dllexport.  Test
3257         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3258         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
3259         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3260         it to 1.
3261         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
3262         with #if.
3263         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3264         it to 1.
3265         * doc/extend.texi (dllexport): Clarify and correct documentation.
3266         (dllimport): Likewise.
3267         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
3268         handle_dll_attribute.
3269
3270 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3271
3272         * tree-ssa-loop-manip.c: New file.
3273         * Makefile.in (tree-ssa-loop-manip.o): Add.
3274         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
3275         Declare.
3276         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
3277         form.
3278         (tree_ssa_loop_done): Verify loop closed ssa form.
3279         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
3280
3281 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3282
3283         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
3284         pa_asm_output_aligned_local): New functions.
3285         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
3286         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
3287         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
3288         pa_asm_output_aligned_common.
3289         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3290         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
3291         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
3292         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3293         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
3294         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
3295         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3296         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
3297         common data.
3298
3299 2004-08-05  Andrew Pinski  <apinski@apple.com>
3300
3301         * objc/objc-act.c (build_objc_string_object): Mark the address
3302         expression as constant.
3303
3304 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
3305
3306         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
3307         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
3308         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
3309
3310 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3311
3312         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
3313         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
3314         out, and associated obsolete comments.
3315
3316 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
3317
3318         * tree.h (force_fit_type): Return a tree, take three flags.
3319         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
3320         TREE_CONSTANT_OVERFLOW here.
3321         (int_const_binop, const_binop): Adjust.
3322         (size_int_type): Do sign extension here.
3323         (fold_convert_const, optimize_bit_field_compare,
3324         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
3325         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
3326         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
3327
3328 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3329
3330         PR tree-optimization/16864
3331         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
3332         for ssa names without default_def.
3333
3334 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
3335
3336         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
3337         frame pointer, restore eax with an ebp-relative address.
3338
3339 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
3340
3341         PR 14516
3342         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
3343         * c-common.h (make_rtl_for_local_static): Delete.
3344         * c-decl.c (shadow_tag_warned): Clean up comment.
3345         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
3346         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
3347         * c-semantics.c (make_rtl_for_local_static): Delete.
3348         * expr.c (init_block_move_fn): Use set_user_assembler_name.
3349         (init_block_clear_fn): Likewise.
3350         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
3351         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
3352         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
3353         * tree.h (make_decl_rtl): Remove second parameter.
3354         (set_user_assembler_name): New.
3355         * varasm.c (set_user_assembler_name): New.
3356         (make_decl_rtl): Remove second parameter.  Update callers in many
3357         files.
3358
3359 2004-08-05  Adam Nemet  <anemet@lnxw.com>
3360
3361         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
3362         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
3363         to LynxOS 4.0.
3364         * gthr-lynx.h: New file.
3365         * config/lynx-ng.h: Remove file.
3366         * config/lynx.h: Update to LynxOS 4.0.
3367         * config/t-lynx: New file.
3368         * config/i386/lynx-ng.h: Remove file.
3369         * config/i386/lynx.h: Update to LynxOS 4.0.
3370         * config/rs6000/lynxbase.h: Remove file.
3371         * config/rs6000/lynx.h: Update to LynxOS 4.0.
3372         * config/rs6000/t-lynx: New file.
3373         * doc/install.texi (Options specification): Remove reference to
3374         LynxOS from systems where --with-gnu-as makes a difference.
3375
3376 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3377
3378         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
3379         __UINTMAX_TYPE__.
3380         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
3381         __INTMAX_MAX__.
3382         (c_cpp_builtins): Call it.
3383         * doc/cpp.texi: Update.
3384
3385 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
3386
3387         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
3388         cost.
3389
3390 2004-08-04  Jan Hubicka  <jh@suse.cz>
3391
3392         * basic-block.h (profile_staus): New global variable.
3393         * cfg.c (profile_status): Declare.
3394         (check_bb_profile): Break out from ....; use profile_status
3395         (dump_flow_info): ... here.
3396         * cfgbuild.c (find_basic_blocks): Set profile_status.
3397         * cfgexpand.c (tree_expand_cfg): Likewise.
3398         * predict.c (estimate_probability): Likewise.
3399         * profile.c (branch_prob): Likewise.
3400         * tree-cfg.c (build_tree_cfg): Likewise.
3401         (dump_function_to_file): Use check_bb_profile.
3402         * tree-pretty-print (dump_bb_header): Likewise.
3403         * tree-profile.c (do_tree_profiling): Cleanup.
3404
3405 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
3406
3407         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
3408         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
3409         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
3410         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
3411         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
3412         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
3413         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
3414         (ggc-none.o, errors.o): Move rule to generators section;
3415         correct dependencies.
3416         (min-insn-modes.o): Move rule to generators section; remove
3417         unnecessary explicit command; correct dependencies.
3418         (print-rtl.o, print-rtl1.o): Correct dependencies.
3419         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
3420         (mostlyclean): Update.
3421
3422         * errors.c: Include bconfig.h not config.h.  Correct comment.
3423         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
3424         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
3425         * print-rtl.c: Don't include tm_p.h.
3426
3427         * rtl.h: Move forward-decl of struct function down where it's
3428         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
3429         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
3430
3431 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3432             Jeff Law  <law@redhat.com>
3433
3434         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
3435         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
3436         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
3437         manipulate the duplicated ssa names.
3438         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
3439         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
3440         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
3441         New functions.
3442         (release_ssa_name): Do not release ssa names that may have multiple
3443         definitions.
3444         * tree.h (release_ssa_name_force, mark_for_rewrite,
3445         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
3446         marked_ssa_names): Declare.
3447         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
3448         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
3449         Update call to rewrite_ssa_into_ssa.
3450
3451 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
3452
3453         * defaults.h (TARGET_DECLSPEC): New macro.
3454         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
3455         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
3456         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
3457         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
3458         __declspec support.
3459         (TARGET_DECLSPEC): Define.
3460         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
3461         __declspec support.
3462         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
3463         __declspec support.
3464         (TARGET_DECLSPEC): Define.
3465         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
3466         __declspec support.
3467         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
3468         support.
3469         * doc/tm.texi (TARGET_DECLSPEC): Document.
3470
3471         * doc/extend.texi: Fix typo in comment.
3472
3473 2004-08-04  Paul Brook  <paul@codesourcery.com>
3474
3475         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3476         (TARGET_CXX): Use it.
3477         * target.h (struct gcc_target): Add cdtor_returns_this.
3478         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
3479         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3480         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
3481
3482 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
3483
3484         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
3485         low/high pair. Do range checking directly.
3486         (interpret_integer): Adjust.
3487
3488 2004-08-04  Nick Clifton  <nickc@redhat.com>
3489
3490         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
3491         GCC ABI.
3492         * doc/invoke.texi: Document this new switch and also the -mrenesas
3493         switch.
3494
3495 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
3496
3497         * cfglayout.c (insn_locators_initialize): Update the current
3498         location before initializing a location.
3499
3500 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3501
3502         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
3503         (dbxout_function_end): Return after emitting the "Lscope" symbol
3504         under the same conditions that this function formerly wasn't called.
3505         Add explanatory comments.
3506
3507         PR 14860
3508         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
3509         on the new decl.
3510
3511         PR 13956
3512         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
3513         functions, broken out of dbxout_block.
3514         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
3515         stabs too, if it contains symbols.  Use the begin_label and
3516         the Lscope label (emitted by dbxout_function_end) for the
3517         range of this block.
3518
3519 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
3520
3521         * doc/install.texi: Update autoconf version requirements.
3522
3523 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3524
3525         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
3526         * recog.c (general_operand, immediate_operand, nonmemory_operand)
3527         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
3528         * regclass.c (record_reg_classes): Likewise.
3529         * reload.c (find_reloads): Likewise.
3530         * reload1.c (reload): Likewise.
3531
3532 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3533
3534         * gensupport.c (init_md_reader_args_cb): Renamed from
3535         init_md_reader_args.  Add third option, callback function for
3536         parsing program-specific options.  Add diagnosis of incorrect
3537         number of input files.
3538         (init_md_reader): Fold into init_md_reader_args_cb.
3539         (init_md_reader_args): Now a thin wrapper around
3540         init_md_reader_args_cb.
3541         * gensupport.h: Update prototypes.
3542
3543         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3544         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3545         * genrecog.c: No need to diagnose lack of an input file;
3546         init_md_reader_args will handle it.
3547         * genconditions.c: Likewise, and use init_md_reader_args.
3548         * genconstants.c: Likewise, and no need to call read_md_rtx.
3549
3550 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3551
3552         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
3553         declarations.
3554
3555 2004-08-03  Mike Stump  <mrs@apple.com>
3556
3557         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
3558         for frameworks.
3559         * doc/invoke.texi (Darwin Options): Update to reflect above.
3560
3561 2004-08-03  Roger Sayle  <roger@eyesopen.com>
3562
3563         PR middle-end/16790
3564         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
3565         truncations, not just global truncations.
3566
3567 2004-08-03  Andrew Pinski  <apinski@apple.com>
3568
3569         PR bootstrap/16865
3570         * loop-iv.c (simplify_using_assignment): Initialize lhs.
3571
3572 2004-08-03  Paul Brook  <paul@codesourcery.com>
3573
3574         * gcc/doc/install.texi: Document MPFR requirement.
3575
3576 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
3577
3578         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
3579         and mmap() explicitly instead of relying on preset autoconf cache
3580         variables.
3581         * configure: Regenerate.
3582
3583 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
3584
3585         PR target/16570
3586         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
3587         to tmake_file.
3588         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
3589         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
3590         to tmake_file.
3591
3592         * config/i386/t-gmm_malloc: New file.
3593         * config/i386/t-pmm_malloc: Likewise.
3594
3595         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
3596
3597 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
3598             Tanguy Fautrà <tfautre@pandora.be>
3599
3600         * config/i386/pmm_malloc.h: New file.
3601
3602 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
3603
3604         * config/i386/gmm_malloc.h: New file.
3605
3606 2004-08-03  Dale Johannesen  <dalej@apple.com>
3607
3608         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
3609         * c-common.c: Include opts.h.
3610         (c_common_get_alias_set): Fix check for a single input file.
3611         * toplev.c: Remove current_file_decl.
3612         * tree.h: Ditto.
3613
3614 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
3615
3616         * config.gcc (arm*-*-symbianelf*): New target.
3617         * config/arm/symbian.h: New file.
3618
3619         * gthr-gnat.c: Add visibility #pragmas.
3620         * gthr-gnat.h : Likewise.
3621         * gthr.h: Likewise.
3622         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
3623         (__ffsDI2): Likewise.
3624         (__clzSI2): Likewise.
3625         (__ctzSI2): Likewise.
3626         (__ctzDI2): Likewise.
3627         (__popcountSI2): Likewise.
3628         (__popcountDI2): Likewise.
3629         (__paritySI2): Likewise.
3630         (__parityDI2): Likewise.
3631         * libgcc2.h: Add visibility #pragmas.
3632         (__clzDI2): Add prototype.
3633         (__clzSI2): Likewise.
3634         (__ctzSI2): Likewise.
3635         (__ffsDI2): Likewise.
3636         (__ffsSI2): Likewise.
3637         (__ctzDI2): Likewise.
3638         (__popcountSI2): Likewise.
3639         (__popcountDI2): Likewise.
3640         (__paritySI2): Likewise.
3641         (__parityDI2): Likewise.
3642         * unwind-dw2-fde.h: Add visibility #pragmas.
3643         * unwind.h: Likewise.
3644
3645 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
3646             Dale Johannesen  <dalej@apple.com>
3647             Roger Sayle  <roger@eyesopen.com>
3648
3649         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
3650         constants more accurately.  Adjust costs for FMA instructions.
3651         Add cases for most logical and float operations.  Recurse into
3652         most operands.
3653
3654 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
3655
3656         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
3657
3658 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
3659
3660         * ra-build.c (conflicts_between_webs): For webs that cross a call add
3661         conflicts to regs_invalidated_by_call.
3662
3663 2004-08-03  Paul Brook  <paul@codesourcery.com>
3664
3665         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
3666
3667 2004-08-03  Jan Hubicka  <jh@suse.cz>
3668
3669         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
3670         ARRAY_REF argument.
3671
3672 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
3673
3674         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
3675         arm968es, arm10e, arm1020e, arm1022e.
3676         * invoke.texi: Update list of ARM cores.
3677         * arm-tune.md: Regenerate.
3678
3679 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
3680
3681         * arm/gentune.sh: New file.
3682         * arm/t-arm: New file.
3683         * arm/arm-tune.md: New file (autogenerated).
3684         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
3685         * arm.md (attribute tune): Delete.  Include arm-tune.md.
3686
3687 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
3688
3689         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
3690         penultimate parameter.  All callers adjusted.
3691         (struct prefix_list): Remove used_flag_ptr.
3692         (find_a_file): Do not set *pl->used_flag_ptr.
3693         (warn_B, warn_std_ptr): Remove.
3694
3695 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
3696             Mostafa Hagog <mustafa@il.ibm.com>
3697
3698         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
3699
3700 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
3701
3702         * dwarf2out.c (output_call_frame_info): Don't change data format
3703         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
3704         label.  Use 'true' not '1'.
3705         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
3706         required.
3707
3708 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
3709
3710         * gdbinit.in: Reflect previous changes to rtunion_def.
3711
3712 2004-08-02  Roger Sayle  <roger@eyesopen.com>
3713
3714         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
3715         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
3716
3717 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3718
3719         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
3720         vec_p_reserve.
3721         * langhooks.h (lang_hooks::builtin_function): Rename parameter
3722         from "class" to "bt_class".
3723
3724 2004-08-02  Paul Brook  <paul@codesourcery.com>
3725
3726         PR rtl-optimization/15068
3727         * flow.c (init_propagate_block_info): Check condition is reversible.
3728
3729 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3730
3731         * gengtype.h (options::info): Change type to const char *.
3732         (enum gc_used_enum): Move out of struct type scope.
3733         * gengtype.c (create_option): Convert initializer for option::info to
3734         appropiate type.
3735         (adjust_field_type, walk_type, write_func_for_structure,
3736         write_root, write_roots): Remove pointless cast.
3737
3738 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
3739
3740         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
3741
3742 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3743
3744         * rtl.h (union rtunion_def): Have all members  start with the
3745         prefix "rt_".
3746         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
3747         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
3748         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
3749         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
3750         access.
3751         * gengtype.c (adjust_field_rtx_def): Likewise.
3752         * rtlanal.c (loc_mentioned_in_p): Likewise.
3753
3754 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
3755
3756         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
3757         Replace uses of mips/elf64.h with mips/elf.h
3758         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
3759         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
3760         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
3761         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
3762         (HANDLE_SYSV_PRAGMA): Delete.
3763         (ASM_OUTPUT_DEF): Fix formatting.
3764         * config/mips/elf64.h: Delete.
3765
3766 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
3767
3768         * config/ia64/ia64.c (got_symbolic_operand): Do require a
3769         symbol+offset operand to have its offset be zero mod 0x3fff
3770         when GOT entries are in use.  Clarify logic in SYMBOL_REF
3771         case.  Clarify comments.
3772         (ia64_expand_load_address): Split a symbol+offset load when
3773         the offset is nonzero mod 0x3fff, not 0x1fff.
3774
3775 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
3776
3777         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
3778         if trying to *store* to a non-offsettable address.
3779         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
3780         a nonoffsettable address.
3781         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
3782         Clean up.
3783         (movti_string): Don't move GPRs to a nonoffsettable address.
3784         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
3785
3786 2004-08-02  Ben Elliston  <bje@au.ibm.com>
3787
3788         PR target/16155
3789         * config/rs6000/altivec.h: Replace typeof with __typeof__.
3790
3791 2004-08-01  Richard Henderson  <rth@redhat.com>
3792
3793         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
3794         variable sized types.
3795
3796 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3797
3798         * doc/invoke.texi: In the MIPS options section, remove the passage
3799         saying that -mexplicit-relocs is usually disabled for -mabicalls
3800         -fno-unit-at-a-time.
3801         * config/mips/mips.c (override_options): Remove the code that enforced
3802         this rule.
3803
3804 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3805
3806         * config/mips/mips.md (cprestore): Provide two alternatives, one for
3807         an in-range offset and one for an out-of-range offset.  Wrap the latter
3808         in .set macro/.set nomacro if it's inside a .set nomacro block.
3809
3810 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3811
3812         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
3813         (mips_restore_gp): Declare.
3814         * config/mips/mips.c (mips_add_offset): Add a scratch register
3815         argument.  Reimplement in rtl only, reusing MIPS16 logic from
3816         mips_output_mi_thunk.
3817         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
3818         to mips_add_offset.
3819         (mips_gp_save_slot): Delete.
3820         (mips_restore_gp): New function.
3821         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
3822         * config/mips/mips.md (exception_receiver): Turn into a
3823         define_insn_and_split.  Use mips_restore_gp to do the split.
3824         (call_internal, call_value_internal, call_value_multiple_internal): Use
3825         mips_restore_gp to restore $gp.
3826
3827 2004-07-31  Andrew Pinski  <apinski@apple.com>
3828
3829         PR other/16842
3830         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
3831
3832 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
3833
3834         * c-decl.c (diagnose_mismatched_decls): Give error for external
3835         redeclaration of identifier declared with no linkage, not just
3836         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
3837         error for redeclaration with no linkage.
3838
3839 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
3840             Fariborz Jahanian <fjahanian@apple.com>
3841
3842         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
3843         non-offsettable addresses even for DImode.
3844         (rs6000_split_multireg_move): Cope with non-offsettable addresses
3845         being moved into multiple GPRs.
3846
3847         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
3848         to 64.
3849         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
3850         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
3851         to 128.
3852         * config/rs6000/darwin-ldouble.c (isless): New macro.
3853         (inf): New macro.
3854         (nonfinite): New macro.
3855         (FPKINF): Delete.
3856         (_xlqadd): Completely rewrite.
3857         (_xlqmul): Correct overflow handling.
3858         (_xlqdiv): Correct overflow handling.
3859         * config/rs6000/darwin-ldouble-format: New file.
3860
3861 2004-07-30  Roger Sayle  <roger@eyesopen.com>
3862             Richard Henderson  <rth@redhat.com>
3863
3864         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
3865         9 into the equivalent lea instruction.
3866
3867 2004-07-30  Richard Henderson  <rth@redhat.com>
3868
3869         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
3870         with DECL_INITIAL if fb_lvalue.
3871         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
3872         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
3873         with <Cxxx>.
3874         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
3875
3876 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
3877
3878         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
3879         pointer escapes through a function call, assume that the
3880         callee will dereference it.
3881         (add_pointed_to_var): Assume that VALUE is always an
3882         ADDR_EXPR.
3883         (collect_points_to_info_r): Only call add_pointed_to_var if
3884         the value is an ADDR_EXPR.
3885
3886 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
3887
3888         * tree-ssa-alias.c (create_alias_map_for): Do not get the
3889         alias set of the inner type of ARRAY_TYPEs.
3890
3891 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3892
3893         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
3894         setting a non-register to UNDEFINED right before the call to
3895         set_lattice_value.
3896
3897 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3898
3899         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
3900
3901 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3902
3903         * tree-ssa.c (verify_flow_sensitive_alias_info): When
3904         comparing points-to sets of different pointers, make sure the
3905         second pointer is actually referenced in the code.
3906
3907 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
3908
3909         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
3910         (got_symbolic_operand): Remove unreachable code.
3911         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
3912         setjmp_operand; add entry for tls_symbolic_operand.
3913         * config/ia64/ia64-protos.h: Remove all prototypes of
3914         predicate functions.
3915
3916 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
3917
3918         * c-common.h (lang_post_pch_load): New variable.
3919         * c-pch.c (lang_post_pch_load): Define it.
3920         (c_common_read_pch): Use it.
3921         * cgraphunit.c (record_call_1): Give the front end a chance to
3922         record additional needed entities when a variable is marked as
3923         needed.
3924         * tlink.c (recompile_files): Robustify.
3925         (scan_linker_output): If a symbol is assigned to a file,
3926         but after recompilation is not present there, issue an error
3927         message.
3928
3929 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3930
3931         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
3932         Take orig_loop argument and pass it to set_level.
3933         (schedule_sm): Pass the correct orig_loop to force_move_till.
3934
3935 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3936
3937         * cfgloop.c (update_latch_info): Update dominator of the new block.
3938         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
3939         info.
3940         * dominance.c (verify_dominators): Check that the dominance tree is
3941         connected.
3942         (recount_dominator): Ignore unreachable blocks.
3943         (iterate_fix_dominators): Cleanup old dominance information before
3944         recomputing it.
3945
3946 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
3947
3948         * tree-ssa-operands.c (get_expr_operands): Revert changes
3949         to ADDR_EXPR processing introduced by:
3950             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3951             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
3952
3953 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
3954
3955         * doc/implement-c.texi: Add C90 subclause references.  Point to
3956         preprocessor documentation instead of duplicating it.  Add points
3957         only present in C90.  Fill in documentation for all points.
3958
3959 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3960
3961         * pa.c (output_movb): Correct typo.
3962
3963 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
3964
3965         * ra.h (single_reg_in_regclass): Declare.
3966         * ra.c (single_reg_in_regclass): Define.
3967         (first_hard_reg): New.
3968         (init_ra): Initialize single_reg_in_regclass.
3969         * ra-colorize.c (ok_class): New.
3970         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
3971
3972 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
3973
3974         * gcov-io.h: Allow zero tag as EOF indicator.
3975         (gcov_is_eof): Remove.
3976         (gcov_truncate): Remove.
3977         * gcov-io.c (gcov_seek): Always SEEK_SET.
3978         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
3979         EOF tag.
3980         * coverage.c (read_counts_file): Don't use gcov_is_eof.
3981         * gcov-dump.c (dump_file): Likewise.
3982         * gcov.c (read_graph_file, read_count_file): Likewise.
3983
3984         * c-decl.c (complete_array_type): Don't gratuitously copy
3985         maxindex.  Check it always has a type.
3986
3987 2004-07-29  Steven Bosscher  <stevenb@suse.de>
3988
3989         * rtl.c (currently_expanding_to_rtl): New.
3990         * rtl.h (currently_expanding_to_rtl): Export it.
3991         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
3992
3993         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
3994         inliner hack.
3995         * config/sh/sh.c: Replace rtx_equal_function_value_matters
3996         with currently_expanding_to_rtl.
3997         * config/sh/sh.md: Likewise.
3998         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
3999
4000 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4001
4002         Introduce sh2a support.
4003         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4004         * config.gcc: Build multilibs for sh2a and sh2a-single by
4005         default.
4006         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
4007         default.  Split their tests out of the corresponding SH4
4008         multilibs.
4009         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
4010         multilibs for SH2a.
4011         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4012         * config.gcc: Handle sh2a multilibs and cpu selection.
4013         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
4014         * config/sh/t-mlib-sh2a: New.
4015         * config/sh/t-mlib-sh2a-nofpu: New.
4016         * config/sh/t-mlib-sh2a-single: New.
4017         * config/sh/t-mlib-sh2a-single-only: New.
4018         2004-07-09  Nick Clifton  <nickc@redhat.com>
4019         Issue 43400
4020         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
4021         -ml and -m2a are used together.
4022         2004-03-23  DJ Delorie  <dj@redhat.com>
4023         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
4024         when we have a double-sized FPU.
4025         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4026         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
4027         is set.
4028         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
4029         -msh2a-single and -msh2a-single-only
4030         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4031         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
4032         is set.
4033         2004-02-20  DJ Delorie  <dj@delorie.com>
4034         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
4035         2004-02-20  Fred Fish <fnf@redhat.com>,
4036         Corinna Vinschen <vinschen@redhat.com>
4037         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
4038         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
4039         2004-02-18  DJ Delorie  <dj@redhat.com>
4040         * config/sh/sh.c (broken_move): Add support for movi20.
4041         * config/sh/sh.h: Likewise.
4042         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
4043         * config/sh/sh.md (udivsi3_sh2a): New.
4044         (udivsi3): Call it.
4045         (divsi3_sh2a): New.
4046         (divsi3): Call it.
4047         (mul_r): New.
4048         (ashlsi3_sh2a): New.
4049         (ashrsi3_sh2a): New.
4050         (lshrsi3_sh2a): New.
4051         (movsi_i): Disable for sh2a.
4052         (movsi_ie): Add movi20.
4053         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
4054         sh2a, for -m2a-nofpu mode.
4055         2004-02-13  DJ Delorie  <dj@redhat.com>
4056         * config/sh/lib1funcs.asm: Handle double vs single better.
4057         * config/sh/sh.h: Likewise.
4058         2004-02-09  DJ Delorie  <dj@redhat.com>
4059         * config/sh/crt1.asm: Add support for sh2a.
4060         * config/sh/elf.h: Likewise.
4061         * config/sh/lib1funcs.asm: Likewise.
4062         * config/sh/sh.c: Likewise.
4063         * config/sh/sh.md: Likewise.
4064         * config/sh/sh.h: Likewise.
4065         * config/sh/t-sh: Likewise.
4066
4067 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4068
4069         * config/frv/frv.md (movqi_internal, movhi_internal,
4070         movsi_internal): Add backup alternatives for memory inputs.
4071
4072 2004-07-28  Matt Austern  <austern@apple.com>
4073
4074         * config/darwin.c (darwin_one_byte_bool): New global variable.
4075         * config/darwin.h (darwin_one_byte_bool): Declare.
4076         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
4077         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
4078         value of darwin_one_byte_bool.
4079         * doc/invoke.texi: Document -mone-byte-bool flag.
4080
4081 2004-07-28  Eric Christopher  <echristo@redhat.com>
4082
4083         * c-common.c (c_common_unsafe_for_reeval): Delete.
4084         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
4085         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
4086         * calls.c (fix_unsafe_tree): Delete.
4087         (expand_call): Delete code which used above.
4088         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
4089         * expr.c (expand_expr_real_1): Ditto.
4090         * fold-const.c (non_lvalue): Ditto.
4091         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4092         (lhd_unsafe_for_reeval): Ditto.
4093         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
4094         * langhooks.h (unsafe_for_reeval): Ditto.
4095         (unsave_expr_now): Adjust comment.
4096         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
4097         (estimate_num_insns_1): Ditto.
4098         * tree-pretty-print.c (dump_generic_node): Ditto.
4099         * tree.c (expr_align): Ditto.
4100         (unsave_expr): Delete.
4101         (unsafe_for_reeval): Ditto.
4102         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
4103         * tree.def (UNSAVE_EXPR): Delete.
4104         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4105
4106 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
4107
4108         * tree.h (enum tls_model): Move ...
4109         * coretypes.h: ... here.
4110
4111 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
4112
4113         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
4114
4115 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
4116
4117         * cse.c (validate_canon_reg): New function, split out from...
4118         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
4119
4120 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4121
4122         * tree-ssa-alias.c (maybe_create_global_var): Don't just
4123         return if .GLOBAL_VAR has been created.
4124
4125 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4126
4127         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
4128         every variable that may have aliases, not just tags.
4129
4130 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
4131
4132         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
4133         move_from_CR_eq_bit.
4134         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
4135
4136
4137         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
4138         e500_flip_eq_bit.
4139
4140         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
4141         output_e500_flip_eq_bit.
4142
4143         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
4144         output_e500_flip_eq_bit.
4145         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
4146         output_e500_flip_eq_bit.
4147         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
4148         (print_operand): case D.  Get to EQ bit.
4149
4150 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
4151
4152         * gcov.c (function_summary): Add missing \n.
4153
4154 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4155
4156         Introduce sh4a support.
4157         * config.gcc: Handle sh4a multilibs and cpu selection.
4158         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
4159         * config/sh/t-mlib-sh4a: New.
4160         * config/sh/t-mlib-sh4al: New.
4161         * config/sh/t-mlib-sh4a-nofpu: New.
4162         * config/sh/t-mlib-sh4a-single: New.
4163         * config/sh/t-mlib-sh4a-single-only: New.
4164         2004-02-20  DJ Delorie  <dj@redhat.com>
4165         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
4166         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
4167         2003-08-22  Eric Christopher  <echristo@redhat.com>
4168         * config/sh/sh4a.md: Update for chip errata.
4169         2003-08-07  Eric Christopher  <echristo@redhat.com>
4170         * config/sh/sh4a.md: New file. sh4a processor description.
4171         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
4172         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
4173         of -m4a-nofpu.
4174         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
4175         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
4176         * doc/invoke.texi (SH Options): Document -m4al.
4177         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
4178         * config/sh/sh.c (expand_block_move): Remove commented-out code
4179         checked in by mistake.
4180         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
4181         single elements from SFmode vectors.
4182         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
4183         register.
4184         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
4185         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
4186         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
4187         sh_fsca_int2sf): Remove variable declarations.
4188         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
4189         sh_fsca_int2sf): New functions.
4190         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
4191         sh_fsca_int2sf_rtx): New static variables.
4192         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
4193         sh_fsca_int2sf): Declare.
4194         * config/sh/sh.md: Adjust.
4195         * doc/invoke.texi (SH Options): Document new options.
4196         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
4197         compatibility from SH4 code.
4198         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
4199         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
4200         early.
4201         (memory_movsrc_operand): Renamed to...
4202         (unaligned_load_operand): ... this.  Simplified.
4203         * config/sh/sh.h (PREDICATE_CODES): Adjust.
4204         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
4205         input operand to SImode, and adjust the others.  Introduce
4206         post-increment by peephole.
4207         * config/sh/sh.c (expand_block_move): Give the target address the
4208         same mode as the temp reg.
4209         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
4210         copying.
4211         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
4212         Introduce support for SH4a.
4213         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
4214         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
4215         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
4216         sh_fsca_int2sf): New.
4217         (sh_init_builtins): Initialize them.
4218         (print_operand): Support `d'.
4219         (expand_block_move): Use movua if src is misaligned.
4220         (memory_movsrc_operand): New.
4221         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
4222         and one of the SH4 macros.
4223         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
4224         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
4225         SELECT_SH4A_SINGLE): New.
4226         (TARGET_NONE): Add SH4A_BIT.
4227         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
4228         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
4229         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
4230         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
4231         (enum processor_type): Added PROCESSOR_SH4A.
4232         (PREDICATE_CODES): Add memory_movsrc_operand.
4233         * config/sh/sh.md: Removed unused variables.
4234         (attr cpu): Add sh4a.
4235         (attr type): Add movua, fsrra and fsca.
4236         (prefetch): New, for SH4.
4237         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
4238         (toggle_sz): Set type to fp.
4239         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
4240         (movua, extv, extzv): New.
4241         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
4242         and 4a-single-only.
4243
4244 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4245
4246         * tree-optimize.c (init_tree_optimization_passes): Schedule
4247         pass_may_alias right after the program is renamed into SSA.
4248         * tree-pass.h (PROP_alias): Define.
4249         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
4250         * tree-sra.c (pass_sra): Likewise.
4251         * tree-ssa-ccp.c (pass_ccp): Likewise.
4252         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
4253         * tree-ssa-dce.c (pass_dce): Likewise.
4254         * tree-ssa-dom.c (pass_dominator): Likewise.
4255         * tree-ssa-dse.c (pass_dse): Likewise.
4256         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
4257         * tree-ssa-loop-ch.c (pass_ch): Likewise.
4258         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
4259         * tree-ssa-pre.c (pass_pre): Likewise.
4260         * tree-tailcall.c (pass_tail_recursion): Likewise.
4261         * tree-ssa.c (pass_redundant_phi): Likewise.
4262         * tree-ssa-alias.c (aliases_computed_p): Remove.
4263         Update all users.
4264         (init_alias_info): Do not mark all type tags for renaming
4265         unconditionally.
4266         Clear may_aliases from every symbol.
4267         (setup_pointers_and_addressables): If a pointer has not been
4268         dereferenced and it had a type tag, clear it and mark the old
4269         tag for renaming.
4270
4271 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4272
4273         PR tree-optimization/16705
4274         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
4275         .GLOBAL_VAR.
4276
4277 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4278
4279         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
4280         check.
4281
4282         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
4283         don't make another one.
4284
4285         PR optimization/15077
4286         * function.h (struct function): Add field saved_static_chain_decl.
4287         Fix comment for static_chain_decl.
4288         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
4289         * tree-inline.h (save_body): Add new arg.
4290         * tree-optimize.c (tree_rest_of_compilation): Handle saving
4291         static_chain_decl.
4292
4293 2004-07-27  Richard Henderson  <rth@redhat.com>
4294
4295         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
4296         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
4297         is_gimple_addressable.
4298         * tree-gimple.c (is_gimple_addressable): Rename from
4299         is_gimple_addr_expr_arg; accept INDIRECT_REF.
4300         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
4301         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
4302         rename to is_gimple_addressable.
4303
4304 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
4305
4306         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
4307
4308 2004-07-27  Richard Henderson  <rth@redhat.com>
4309
4310         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
4311         before rounding.
4312
4313 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
4314
4315         * libgcc2.c: Change all conditionals testing
4316         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
4317         * libgcc2.h: Likewise.
4318         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
4319         TYPE_PRECISION of float80_type to 80.
4320         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
4321         of fpreg_type and float80_type to 80.
4322         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
4323         * config/m68k/netbsd-elf.h:
4324         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
4325         to evaluate to 80 whenever they would formerly have evaluated to 96.
4326         * config/i386/sco5.h: Remove unnecessary redefinition of
4327         LONG_DOUBLE_TYPE_SIZE.
4328         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
4329         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
4330         XFmode, with a bitsize of 80.  Update commentary.
4331         * config/ia64/ia64-modes.def: Likewise.
4332         * config/m68k/m68k-modes.def: Likewise.
4333
4334 2004-07-27  Steven Bosscher  <stevenb@suse.de>
4335
4336         * cfgexpand.c (tree_expand_cfg): Fix comment.
4337
4338         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
4339         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
4340         Remove.
4341         (prepare_function_start): Don't set rtx_equal_function_value_matters.
4342         * integrate.c (copy_rtx_and_substitute): Don't test for it.
4343         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
4344         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
4345         here again.  Update leading comment.
4346         * rtl.c (rtx_equal_function_value_matters): Remove.
4347         (rtx_equal_p): Don't test for it.
4348         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
4349         Likewise.
4350
4351         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
4352         * rtl.c (note_insn_name): Likewise.
4353         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
4354         * final.c (final_scan_insn): Likewise.
4355
4356         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
4357         * passes.c (rest_of_handle_eh): Do it here.
4358
4359         * stmt.c (struct nesting): Remove struct nesting block member.
4360         (struct stmt_status): Remove x_block_start_count field.
4361         (current_block_start_count): Remove.
4362
4363 2004-07-27  Brian Booth  <bbooth@redhat.com>
4364
4365         * tree-optimize.c (register_one_dump_file): Update condition that uses
4366         static_pass_number.
4367         (dup_pass_1): Replace with...
4368         (next_pass_1): This.
4369         (NEXT_PASS): Call next_pass_1.
4370         (DUP_PASS): Remove.
4371         (init_tree_optimization_passes): Remove uses of DUP_PASS.
4372         (execute_one_pass): Update condition that uses
4373         static_pass_number.
4374         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
4375         integer.
4376
4377 2004-07-27  Nick Clifton  <nickc@redhat.com>
4378
4379         * config/m32r/m32r.c: Include integrate.h in order to get the
4380         prototype for get_hard_reg_initial_val().
4381
4382         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
4383         and tidy up indentation.
4384         (final_presence_set): Use absence_set instead, so that if there is
4385         nothing in the "o" pipe the "s" pipe can be scheduled.
4386
4387 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
4388
4389         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
4390         don't have PT_VARS nor PT_MALLOC set.
4391         Clear name tag from pointers that have not been dereferenced.
4392         (set_pt_anything, set_pt_malloc): Forward declare.
4393         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
4394         not type compatibility when determining if a pointer can be
4395         copy propagated.
4396
4397 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
4398
4399         * expr.h (canonicalize_condition, get_condition): Add an int argument.
4400         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
4401         it to check whether the condition is still valid at the jump insn.
4402         * ifcvt.c (noce_get_condition): Likewise.
4403         (noce_get_alt_condition): Update call to canonicalize_condition.
4404         * loop-iv.c (simplify_using_initial_values): Update call to
4405         get_condition.  Remove FIXME.
4406         (check_simple_exit): Update call to get_condition.
4407         * loop-unswitch.c (may_unswitch_on): Likewise.
4408         * loop.c (check_dbra_loop): Likewise.
4409         (canonicalize_condition, get_condition): Add an argument to say whether
4410         the condition must still be valid at INSN.
4411         (get_condition_for_loop): Update call to get_condition.  Require that
4412         the condition be valid at INSN.
4413         * predict.c (estimate_probability): Update call to get_condition.
4414         Remove unused earliest parameter.
4415         (expected_value_to_br_prob): Update call to canonicalize_condition.
4416
4417 2004-07-26  Eric Christopher  <echristo@redhat.com>
4418
4419         * tree-dfa.c (add_referenced_var): Register initializers of global
4420         variables.
4421
4422 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
4423
4424         * config/i386/i386.c (function_arg): Always treat 8-
4425         and 16-byte wide vectors the same, even if MMX/SSE
4426         are disabled.
4427         (contains_128bit_aligned_vector_p): Add comment.
4428
4429 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
4430
4431         * ra.h (enum node_type): Rename to:
4432         (enum ra_node_type).
4433         * ra-colorize.c: Likewise.
4434
4435 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
4436
4437         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
4438         after simplifying the jump.
4439
4440 2004-06-26  Richard Henderson  <rth@redhat.com>
4441
4442         * calls.c (combine_pending_stack_adjustment_and_call): Make
4443         preferred_unit_stack_boundary argument unsigned.  Make
4444         unadjusted_alignment unsigned.
4445         (expand_call): Make preferred_stack_boundary and
4446         preferred_unit_stack_boundary variables unsigned.
4447         * function.c (assign_stack_local_1): Make alignment unsigned.
4448         * function.h (struct function): Make stack_alignment_needed,
4449         preferred_stack_boundary unsigned.
4450         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
4451         (ix86_compute_frame_layout): Make stack_alignment_needed,
4452         preferred_alignment variables unsigned.
4453         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
4454
4455 2004-07-26  Tom Tromey  <tromey@redhat.com>
4456
4457         * tree.h: Fix typo in comment.
4458
4459 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
4460
4461         PR bootstrap/12804
4462         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
4463         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
4464         (ggc_free): Remove incorrect freeing.
4465         (sweep_pages): Advance PP for large pages.  Fix indentation.
4466
4467 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
4468
4469         PR rtl-optimization/16643
4470         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
4471         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
4472         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
4473         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
4474         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
4475         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4476         * rtl.h (tracer): Add a flags parameter.
4477         * tracer.c (tracer): Pass it to cfg_layout_initialise.
4478         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
4479         (rest_of_handle_reorder_blocks): Update calls to tracer and
4480         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
4481         (rest_of_handle_tracer): Pass 0 to tracer.
4482         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
4483
4484 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
4485
4486         PR target/16239
4487         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
4488         f->f.
4489
4490 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
4491
4492         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
4493         (BINFO_BASE_ACCESS): Adjust.
4494         (BINFO_BASE_ACCESS_APPEND): New.
4495         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
4496         * dbxout.c (dbxout_type): Adjust binfo access accessing.
4497         * dwarf2out.c (gen_member_die): Likewise.
4498         * tree-dump.c (deque_and_dump): Likewise.
4499
4500 2004-07-26  Falk Hueffner  <falk@debian.org>
4501
4502         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
4503         costs.
4504
4505 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4506
4507         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
4508         value off of the stack if TARGET_USE_FFREEP.
4509
4510 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4511
4512         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
4513         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
4514         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
4515         check on invocation of XRESIZEVEC ().
4516
4517 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4518
4519         * c-common.c (disable_builtin_function): Rename variable n to
4520         new_disabled_builtin.
4521         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
4522         Rename local variable old to old_decl.
4523         * gensupport.c (shift_output_template): Rename parameter old to src.
4524         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
4525         old_rtx and newx to new_rtx.
4526
4527 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
4528
4529         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
4530         of c-pragma.h.
4531         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
4532         enum cpp_ttype.
4533         * c-lex.c: Likewise.
4534
4535 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4536
4537         * fold-const.c (constant_boolean_node): Make extern.
4538         (make_range): Wrap long lines.
4539         (fold_cond_expr_with_comparison): Remove unnecessary call to
4540         pedantic_non_lvalue.  Add missing calls to fold_convert.
4541         (fold_truthop): Add missing calls to fold_convert.
4542         (fold): Likewise.
4543         * tree.h (constant_boolean_node): Add prototype here.
4544         * builtins.c (expand_builtin_strncmp): Add missing calls to
4545         fold_convert.
4546         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
4547         Call fold_convert and constant_boolean_node to correct types.
4548         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
4549         missing call to fold_convert to correct types.
4550
4551 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
4552             Brian Ryner  <bryner@brianryner.com>
4553
4554         PR c++/9283
4555         PR c++/15000
4556         * c-common.c (c_common_attribute_table): Allow
4557         handle_visibility_attribute to be called for types.
4558         (handle_visibility_attribute) When given a type, set the visibility
4559         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
4560         so that we can check later whether the attribute was present. Added
4561         warning if attribute applied to non class type.
4562         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
4563         decls and checking that they are consistent.
4564         * common.opt: Added -fvisibility.
4565         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
4566         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
4567         * flags.h, tree.h: Added assorted support defines for overall patch
4568         * opts.c: Added parsing support for -fvisibility.
4569         * tree.c (build_decl): Set visibility for all decls to be whatever
4570         is in force at that time.
4571         * varasm.c (default_binds_local_p_1): Reworked logic determining
4572         when to make a symbol locally bound.
4573         * doc/invoke.texi: Added documentation for -fvisibility and
4574         -fvisibility-inlines-hidden.
4575
4576 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4577
4578         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
4579         * c-common.c: Add missing casts from void * to other types.
4580         * c-decl.c: Likewise.
4581         * c-format.c: Likewise.
4582         * c-lex.c: Likewise.
4583         * c-pragma.c: Likewise.
4584         * c-typeck.c: Likewise.
4585         * defaults.h: Likewise.
4586         * genconstants.c: Likewise.
4587         * gengtype-lex.l: Likewise.
4588         * genmodes.c: Likewise.
4589         * read-rtl.c: Likewise.
4590         * rtl.c: Likewise.
4591
4592 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4593
4594         * bitmap.c: Use type-safe memory allocation macros from libiberty.
4595         * c-common.c: Likewise.
4596         * c-decl.c: Likewise.
4597         * c-lang.c: Likewise.
4598         * c-lex.c: Likewise.
4599         * c-opts.c: Likewise.
4600         * c-parse.in: Likewise.
4601         * c-typeck.c: Likewise.
4602         * genconditions.c: Likewise.
4603         * gengtype-lex.l: Likewise.
4604         * gengtype-yacc.y: Likewise.
4605         * gengtype.c: Likewise.
4606         * genmodes.c: Likewise.
4607         * gensupport.c: Likewise.
4608         * read-rtl.c: Likewise.
4609         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
4610         htab_find_slot().
4611
4612 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4613
4614         * c-decl.c (groktypename, groktypename_in_param_context): Rename
4615         variable typename to type_name.
4616         * c-lex.c (interpret_float): Likewise.
4617
4618 2004-07-25  Roger Sayle  <roger@eyesopen.com>
4619
4620         * convert.c (convert_to_real, convert_to_integer,
4621         convert_to_complex): Replace calls to build with calls to buildN.
4622         * coverage.c (tree_coverage_counter_ref): Likewise.
4623         * dojump.c (do_jump): Likewise.
4624         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
4625         * emit-rtl.c (component_ref_for_mem_expr,
4626         set_mem_attributes_minus_bitpos): Likewise.
4627         * explow.c (update_nonlocal_goto_save_area): Likewise.
4628         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
4629         expand_mult_add): Likewise.
4630         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
4631         store_constructor, get_inner_reference, expand_expr_real_1,
4632         try_casesi, try_tablejump): Likewise.
4633         * function.c (expand_function_start): Likewise.
4634         * stmt.c (emit_case_bit_tests, expand_end_case_type,
4635         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
4636         * stor-layout.c (place_union_field, layout_type): Likewise.
4637         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
4638         * varasm.c (copy_constant): Likewise.
4639
4640 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4641
4642         * c-common.c: Rename all identifiers named `new'.
4643         * c-decl.c: Likewise.
4644         * gensupport.c: Likewise.
4645         * simplify-rtx.c: Likewise.
4646         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
4647         with XNEW().
4648         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
4649         with XNEWVEC().
4650
4651 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4652
4653         PR c/15360
4654         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
4655         declarations until after calling pushdecl.
4656         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
4657         "extern" and not on whether the declaration is initialized.
4658
4659 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
4660
4661         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
4662         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
4663         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
4664         "cpplib.h", "c-pragma.h", "c-common.h".
4665         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
4666         (solaris_register_pragmas): New functions.
4667         * config/sol2-protos.h: New file.
4668         * config/sol2.c: New file.
4669         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
4670         (REGISTER_TARGET_PRAGMAS): New macros.
4671         (solaris_pending_aligns, solaris_pending_inits)
4672         (solaris_pending_finis): New variables.
4673         * config/t-sol2 (sol2-c.o): Update dependencies.
4674         (sol2.o): New rule.
4675         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
4676         SUBTARGET_INSERT_ATTRIBUTES.
4677         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
4678         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
4679         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
4680         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
4681         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
4682         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
4683         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
4684         * config/sparc/sparc.c (sparc_attribute_table): New.
4685         (TARGET_INSERT_ATTRIBUTES): Define in terms of
4686         SUBTARGET_INSERT_ATTRIBUTES.
4687         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
4688         is defined.
4689         * doc/extend.texi (Solaris Pragmas): New section.
4690
4691 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4692
4693         * c-common.c: Rename all identifiers named `class' to `cl'.
4694         * c-common.h: Likewise.
4695         * c-parse.in: Likewise.
4696         * c-typeck.c: Likewise.
4697         * genmodes.c: Likewise.
4698         * real.c: Likewise.
4699         * real.h: Likewise.
4700         * recog.c: Likewise.
4701         * recog.h: Likewise.
4702         * regrename.c: Likewise.
4703         * tree.h: Likewise.
4704         * c-common.c (builtin_function_2): Change type of 5th parameter from
4705         int to enum built_in_function. Change type of 8th parameter from int
4706         to bool.
4707         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
4708         with GGC_CNEW().
4709         * c-typeck.c (convert_arguments): Change type of formal_prec from
4710         int to unsigned int.
4711         * genmodes.c (blank_mode): Make a few negative constants unsigned.
4712         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
4713         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
4714         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
4715         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
4716         iterator to for_all_modes () instead of an enum because enums can't
4717         be incremented in C++.
4718
4719
4720 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
4721
4722         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
4723         hard registers.
4724
4725 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4726
4727         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
4728         Handle ARRAY_RANGE_REF like ARRAY_REF.
4729
4730 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4731
4732         * c-typeck.c (digest_init): Don't allow arrays of signed or
4733         unsigned variants of wchar_t to be initialized by wide string
4734         constants.  Do allow arrays of enumerated types compatible with
4735         wchar_t to be initialized by wide string constants.  Refine tests
4736         distinguishing wide and narrow strings and arrays.  Give specific
4737         error for arrays of other integer types initialized by string
4738         constants.
4739         (output_init_element, process_init_element): Check for
4740         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
4741         initializing with string constants.
4742
4743 2004-07-25  Richard Henderson  <rth@redhat.com>
4744
4745         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
4746         on the RESULT_DECL.
4747         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4748         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
4749         DECL_IGNORED_P to new decl.
4750
4751 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
4752
4753         * config/ia64/ia64.c (general_xfmode_operand)
4754         (destination_xfmode_operand): Delete.
4755         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
4756         * config/ia64/ia64.md (*movxf_internal): Use general_operand
4757         and destination_operand.
4758
4759 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
4760
4761         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
4762         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
4763
4764 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
4765             Zack Weinberg  <zack@codesourcery.com
4766
4767         PR 16684
4768         * c-decl.c (diagnose_mismatched_decls): Don't issue a
4769         redundant-declaration warning the first time a builtin is
4770         declared explicitly.
4771
4772 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4773
4774         * tree.h (staticp): Change return type to bool.
4775
4776 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4777
4778         * c-common.c (c_staticp): Last episode of the staticp saga.
4779
4780 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4781
4782         * c-common.h (c_staticp): Change return type from int to bool.
4783         * tree.c (staticp): Likewise.
4784         * langhooks.h (staticp): Likewise.
4785
4786 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4787
4788         * langhooks-def.h (lhd_staticp): Change return type from int to
4789         bool in prototype to match definition.
4790
4791 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4792
4793         * system.h (bool, true, false): Don't redefine as preprocessor macros
4794         in C++.
4795
4796 2004-07-24  Roger Sayle  <roger@eyesopen.com>
4797
4798         * expmed.c (init_expmed): A signed modulus by a power of two is
4799         considered cheap if its less than or equal to four instructions.
4800
4801 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4802
4803         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
4804         GGC_CNEWVAR): New macros.
4805
4806 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
4807
4808         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
4809         lists.
4810         * c-decl.c: Likewise.
4811         * c-format.c: Likewise.
4812         * c-lex.c: Likewise.
4813         * c-opts.c: Likewise.
4814         * c-pragma.c: Likewise.
4815         * c-typeck.c: Likewise.
4816         * gencheck.c: Likewise.
4817         * genconditions.c: Likewise.
4818         * genconfig.c: Likewise.
4819         * genflags.c: Likewise.
4820         * gengtype.c: Likewise.
4821         * gensupport.c: Likewise.
4822         * ggc-none.c: Likewise.
4823         * langhooks.c: Likewise.
4824         * statistics.h: Likewise.
4825         * stub-objc.c: Likewise.
4826         * java/decl.c: Likewise.
4827
4828 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
4829
4830         * config/m68k/m68k.c (output_scc_di): Fix coding style.
4831         (symbolic_operand): Fix prototype.
4832         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
4833         * config/m68k/m68k.md: Add constants for registers a0 and sp and
4834         use them, change from the "{...}" syntax to the simpler {...}
4835         syntax.
4836         (*cfv4_extendqisi2): Fix destination predicate.
4837         * config/m68k/m68k-protos.h: Remove various declarations also
4838         generated via PREDICATE_CODES.
4839
4840 2004-07-23  Mike Stump  <mrs@apple.com>
4841
4842         * c-typeck.c (convert_for_assignment): Tightened up pointer
4843         converstions that differ in signedness.
4844
4845 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
4846
4847         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
4848
4849 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4850
4851         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
4852         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
4853
4854         * gimplify.c (gimplify_compound_lval): Check for no handled
4855         operations, rather than checking for explicit list of nodes.
4856         (is_gimple_addr_expr_arg_or_indirect): New function.
4857         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
4858         redundant setting of TREE_INVARIANT.
4859         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
4860         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
4861
4862 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
4863
4864         PR tree-optimization/16688
4865         PR tree-optimization/16689
4866         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
4867         unnecessary initialization of 'tag'.
4868         (get_tmt_for): Check that the new type tag has the same alias
4869         set as the pointed-to type.
4870         (group_aliases): Only regular variables need to be removed
4871         from the alias set of a name tag.
4872         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
4873         propagation if the two types are not compatible.
4874         (merge_alias_info): Rename from replace_ssa_names_ann.
4875         Add more checking.
4876         (replace_exp_1): If both arguments are SSA_NAMEs, check that
4877         the propagation can be done.
4878         Only call merge_alias_info on pointers.
4879         (propagate_value): Likewise.
4880         * tree-ssa-copyrename.c: Include langhooks.h.
4881         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
4882         to do the merging.
4883         Do not coalesce variables with incompatible types.
4884         (rename_ssa_copies): Call replace_ssa_name_symbol.
4885         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
4886         the same type as the underlying _DECL.
4887         * tree-ssanames.c (replace_ssa_name_symbol): New function.
4888         * tree.h (replace_ssa_name_symbol): Declare.
4889
4890 2004-07-23  Richard Henderson  <rth@redhat.com>
4891
4892         PR c++/16277
4893         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
4894         unshare it properly.
4895         (gimplify_modify_expr_rhs): Push assignment from a conditional into
4896         the conditional for all non-register types.
4897
4898 2004-07-23  Richard Henderson  <rth@redhat.com>
4899
4900         * expr.c (expand_expr_real_1): Don't handle non-local variables.
4901         * expr.h (fix_lexical_addr): Remove.
4902         * function.c (NEED_SEPARATE_AP): Remove.
4903         (fix_lexical_addr): Remove.
4904         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
4905         not null decl_function_context.
4906         (create_alias_vars): Likewise.
4907         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
4908         (simple_goto_p): Likewise.
4909         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
4910         * tree-ssa-ccp.c (get_default_value): Likewise.
4911         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4912         * tree.c (needs_to_live_in_memory): Likewise.
4913         * tree-flow-inline.h (may_be_aliased): Move...
4914         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
4915         when TREE_STATIC variables may be addressable.
4916
4917 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
4918
4919         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
4920
4921 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
4922
4923         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
4924         bitmap contents if GENERATOR_FILE is defined.
4925         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
4926         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
4927
4928 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
4929
4930         * c-decl.c (start_function): Form composite type of function types
4931         rather than copying type from previous prototype declaration.
4932
4933 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
4934
4935         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
4936         the const qualifier for the second argument in the C++ functions.
4937
4938         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
4939         specific pointer types.
4940
4941         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
4942         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
4943         for vector bool and/or vector pixel, add C++ and C missing support.
4944         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
4945         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
4946         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
4947         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
4948         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
4949         missing C++ and C support for vector bool and/or vector pixel.
4950         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
4951         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
4952         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
4953         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
4954         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
4955         C++ and C types used for vector bool and/or vector pixel.
4956         (vec_st, vec_stl): Add C++ support for vector pixel.
4957         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
4958         (vec_all_ne): Add C++ support for vector pixel.
4959
4960         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
4961         (vec_vmulesb): Add missing C++ function.
4962         (vec_perm): Fix type of third argument in C++ function.
4963         (vec_vsum4shs): Fix C++ function name.
4964         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
4965         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
4966         argument passed to the error handler in C macro.
4967         (vec_nmsub): Remove extra parens around argument names in C macro.
4968         (vec_packpx): Add missing parens in C macro.
4969
4970 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
4971
4972         * machmode.def: Remove vector modes.
4973         * config/alpha/alpha-modes.def: Add supported vector modes.
4974         * config/arm/arm-modes.def: Likewise.
4975         * config/frv/frv-modes.def: Likewise.
4976         * config/i386/i386-modes.def: Likewise.
4977         * config/rs6000/rs6000-modes.def: Likewise.
4978         * config/sh/sh-modes.def: Likewise.
4979
4980 2004-07-23  Matthias Klose  <doko@debian.org>
4981
4982         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
4983         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
4984         * config.h: Regenerate.
4985         * configure: Likewise.
4986
4987 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
4988
4989         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
4990         generated SYMBOL_REFs for labels.
4991         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
4992         Change prototype.
4993         (machopic_stub_name): Remove.
4994         (machopic_indirection_name): New function.
4995         (machopic_mcount_stub_name): Likewise.
4996         (machopic_classify_name): Remove.
4997         (machopic_function_base_sym): New function.
4998         (machpoic_classify_symbol): Likewise.
4999         (machopic_classify_ident): Remove.
5000         (machopic_define_ident): Likewise.
5001         (machopic_define_name): Likewise.
5002         (machopic_name_defined_p): Likewise.
5003         (machopic_ident_defined_p): Likewise.
5004         (darwin_strip_name_encoding): Likewise.
5005         (machopic_define_symbol): New function.
5006         * config/darwin.c (hashtab.h): Include.
5007         (machopic_defined_list): Remove.
5008         (machopic_classify_ident): Likewise.
5009         (machopic_classify_name): Likewise.
5010         (machopic_ident_defined_p): Likewise.
5011         (machopic_define_ident): Likewise.
5012         (machopic_define_name): Likewise.
5013         (machopic_symbol_defined_p): New function.
5014         (machopic_classify_symbol): Likewise.
5015         (machopic_data_defined_p): Use machopic_classify_symbol.
5016         (machopic_define_symbol): New function.
5017         (machopic_function_base_sym): New function.
5018         (machopic_non_lazy_pointers): Remove.
5019         (machopic_non_lazy_ptr_name): Likewise.
5020         (machopic_stubs): Likewise.
5021         (machopic_stub_name): Likewise.
5022         (NON_LAZY_POINTER_SUFFIX): New macro.
5023         (STUB_SUFFIX): Likewise.
5024         (machopic_indirection): New structure.
5025         (machopic_indirections): New variable.
5026         (machopic_indirection_hash): New function.
5027         (machopic_indirection_eq): Likewise.
5028         (machopic_indirection_name): Likewise.
5029         (machopic_mcount_stub_name): New function.
5030         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
5031         hash table.
5032         (machopic_indirect_data_reference): Rework to use new functions.
5033         (machopic_indirect_call_target): Likewise.
5034         (machopic_legitimize_pic_address): Likewise.
5035         (machopic_output_indirection): New function.
5036         (machopic_finish): Use it.
5037         (machopic_operand_p): Rework to use new functions.
5038         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
5039         (darwin_strip_name_encoding): Remove.
5040         (update_non_lazy_ptrs): Remove.
5041         (update_stubs): Likewise.
5042         (darwin_non_lazy_pcrel): Use new functions.
5043         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
5044         (ASM_OUTPUT_LABELREF): Likewise.
5045         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5046         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
5047         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
5048         (TARGET_STRIP_NAME_ENCODING): Do not use
5049         darwin_strip_name_encoding.
5050         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
5051         darwin_strip_name_encoding.
5052         * config/i386/darwin.h (FUNCTION_PROFILER): Use
5053         machopic_mcount_stub_name.
5054         * config/i386/i386.c (x86_output_mi_thunk): Use
5055         machopic_indirection_name, not machopic_stub_name.
5056         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
5057         machopic_function_base_sym.
5058         (print_operand): Use machopic_classify_symbol.
5059         (rs6000_emit_prologue): Use machopic_function_base_sym.
5060         (output_profile_hook): Do not use machopic_stub_name.
5061         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
5062
5063 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5064
5065         PR c/7284
5066         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
5067         as multiplication.
5068
5069 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5070
5071         * doc/implement-c.texi: New file.
5072         * doc/extend.texi (C Implementation): Move to there.
5073         * doc/gcc.texi: Include implement-c.texi.
5074         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
5075
5076 2004-07-22  Jason Merrill  <jason@redhat.com>
5077
5078         * integrate.c (copy_decl_for_inlining): Remove invisible reference
5079         handling.
5080         * tree-inline.c (setup_one_parameter): Likewise.
5081
5082 2004-07-22  Brian Booth  <bbooth@redhat.com>
5083
5084         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
5085         (substitute_and_fold): Propigate into VUSE operands when possible.
5086         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
5087         (cp_lattice_meet): Handle merging of latticevalues when
5088         UNKNOWN_VAL is present.
5089         (visit_stmt): Visit assignments with V_MUST_DEFs.
5090         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
5091         (ccp_fold): Deal with RHS' that are constant and virtual.
5092         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
5093         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
5094         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
5095         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
5096         computing immediate uses.
5097         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
5098         transition.
5099         (replace_vuse_in): New function.
5100         (likely_value): Add check of vuse operands.
5101         (get_default_value): Set the default value of virtually defined
5102         variables to UKNOWN_VAL instead of VARYING.
5103
5104 2004-07-22  Richard Henderson  <rth@redhat.com>
5105
5106         * expr.c (emit_push_insn): Don't use set_mem_attributes.
5107
5108 2004-07-22  Richard Henderson  <rth@redhat.com>
5109
5110         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
5111         variables due to conditional compilation.
5112
5113 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
5114
5115         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
5116         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
5117         Release SSA names that have been re-renamed.
5118         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
5119         variable.
5120         * tree-ssa-alias.c (init_alias_info): If aliases have been
5121         computed before, clear existing alias information.
5122         (create_name_tags): Do no fixup PT_ANYTHING pointers.
5123         If the new name tag for a pointer is different than the one it
5124         had before, mark the old tag for renaming.
5125         (replace_may_alias): New function.
5126         (group_aliases): Call it.
5127         (setup_pointers_and_addressables): Always call get_tmt_for.
5128         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
5129         once.
5130         (set_pt_anything): New local function.
5131         (set_pt_malloc): New local function.
5132         (merge_pointed_to_info): Don't merge pointed-to variables from
5133         the original pointer if the destination is pointing to an
5134         unknown location.
5135         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
5136         (add_pointed_to_var): Do not add a variable to the points-to
5137         set if the pointer is already pointing to anywhere.
5138         (collect_points_to_info_r): If the defining statement is a PHI
5139         node, only merge pointed-to information if the argument has
5140         already been visited.
5141         (get_tmt_for): Only create a new tag if the pointer didn't
5142         have one already.
5143         (dump_alias_info): Emit more information.
5144         (dump_points_to_info_for): Likewise.
5145         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
5146         try to get the annotation of an SSA_NAME.
5147         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
5148         alias sets when checking is enabled.
5149         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
5150         (eliminate): Mark basic blocks that will need
5151         EH information cleaned up.
5152         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
5153         predecessor.
5154         Initialize need_eh_cleanup.
5155         (fini_pre): Call tree_purge_all_dead_eh_edges and
5156         cleanup_tree_cfg if needed.
5157         Free need_eh_cleanup.
5158         * tree-ssa.c (verify_ssa_name): New function.
5159         (verify_def): Call it.
5160         Re-arrange to avoid printing too many error messages.
5161         (verify_use): Likewise.
5162         (verify_phi_args): Likewise.
5163         (verify_flow_insensitive_alias_info): New function.
5164         (verify_flow_sensitive_alias_info): New function.
5165         (verify_alias_info): New function.
5166         (verify_ssa): Call verify_alias_info.
5167         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
5168         program.
5169         Re-arrange to avoid printing too many error messages.
5170         * tree-ssanames.c (make_ssa_name): Clear
5171         SSA_NAME_IN_FREE_LIST.
5172         (release_ssa_name): Never release a default definition.
5173         (release_defs): New function.
5174         * tree.h: Declare it.
5175         * tree-ssa-dce.c (remove_dead_stmt): Call it.
5176
5177 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
5178
5179         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
5180         If true, do a depth-first search.  Do a breadht-first search,
5181         otherwise.
5182         (walk_use_def_chains): Add new argument IS_DFS.
5183         Update all users.
5184         * tree-flow.h (walk_use_def_chains): Update prototype.
5185
5186 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
5187
5188         * config/cris/cris.md: Tweak formatting.
5189         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
5190         (mover2side, moverside, movemside, movei, op3, andu): Replace
5191         live define_peephole:s with define_peephole2 near-equivalents.
5192         Delete the rest.
5193         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
5194         word-size modes.
5195         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
5196         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
5197         "*mov_sidesi_mem" respectively.
5198
5199 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
5200
5201         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
5202         (gimplify_build1): Move from tree-complex.c do_unop.
5203         (gimplify_build2): Move from tree-complex.c do_binop.
5204         (gimplify_build3): New.
5205         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
5206         Adjust throughout to call the functions above.
5207         * tree-flow.h: Declare the functions above.
5208         * tree-nested.c (gimplify_val): Rename to...
5209         (tsi_gimplify_val): ... this.
5210
5211         * Makefile.in (tree_complex.o): Update dependencies.
5212         (stor-layout.o): Depend on regs.h.
5213         * c-common.c (handle_vector_size_attribute): Update for
5214         vector types without corresponding vector modes.
5215         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
5216         a corresponding vector mode is not available.
5217         * print-tree.c (print_node): Print nunits for vector types
5218         * regclass.c (have_regs_of_mode): New.
5219         (init_reg_sets_1): Initialize it and use it instead
5220         of allocatable_regs_of_mode.
5221         * regs.h (have_regs_of_mode): Declare it.
5222         * stor-layout.c (layout_type): Pick a mode for vector types.
5223         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
5224         build_replicated_const, do_unop, do_binop, do_plus_minus,
5225         do_negate, expand_vector_piecewise, expand_vector_parallel,
5226         expand_vector_addition, expand_vector_operations_1,
5227         expand_vector_operations, tree_lower_operations,
5228         pass_lower_vector_ssa, pass_pre_expand): New.
5229         (expand_complex_operations, pass_lower_complex): Remove.
5230         * tree-optimize.c (init_tree_optimization_passes): Adjust
5231         pass ordering for changes in tree-complex.c.
5232         * tree-pass.h: Declare new passes.
5233         * tree.c (finish_vector_type): Remove.
5234         (make_vector_type): New.
5235         (build_vector_type_for_mode, build_vector_type): Rewritten.
5236         * tree.def (VECTOR_TYPE): Document where the number of
5237         subparts is stored.
5238         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
5239         (make_vector): Remove declaration.
5240
5241 2004-07-21  Richard Henderson  <rth@redhat.com>
5242
5243         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
5244         TREE_THIS_VOLATILE, may_aliases, or optimization level.
5245         (remove_useless_vars): Dump debugging info.
5246         (expand_used_vars): Move ...
5247         * cfgexpand.c (expand_used_vars): ... here.  Make static.
5248         * tree-flow-inline.h (set_is_used): New.
5249         (set_default_def): Use get_var_ann.
5250         * tree-flow.h: Update decls.
5251         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
5252         (create_ssa_var_map): Use it.
5253         * tree-ssa.c (set_is_used): Remove.
5254
5255 2004-07-22  Ben Elliston  <bje@au.ibm.com>
5256
5257         * gdbinit.in: Set a breakpoint on internal_error.
5258
5259 2004-07-21  Richard Henderson  <rth@redhat.com>
5260
5261         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
5262         to create a new basic block.
5263
5264 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5265
5266         PR c/15052
5267         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
5268         return type on function definitions.  Move other warnings for
5269         qualified return type to -Wreturn-type.  Do not condition any such
5270         warnings on -pedantic.  Update comments.
5271         (start_function): Only copy function type from previous prototype
5272         declaration if return types are compatible.
5273         * c-typeck.c (function_types_compatible_p): Don't condition
5274         warning for incompatibility of volatile qualifiers on the return
5275         type on -pedantic.  Update comment.
5276         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
5277
5278 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5279
5280         * c-typeck.c (set_init_index): Require designator to be of integer
5281         type.
5282
5283 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5284
5285         PR c/11250
5286         * c-parse.in (init): Change to exprtype.
5287         (primary): Set original_code for STRING to STRING_CST.
5288         Call maybe_warn_string_init for compound literals.
5289         (initdcl, notype_initdcl): Call maybe_warn_string_init.
5290         (initval): Update.
5291         * c-tree.h (maybe_warn_string_init): New.
5292         (pop_init_level, process_init_element): Use struct c_expr.
5293         (struct c_expr): Update comment.
5294         * c-typeck.c (maybe_warn_string_init): New function.
5295         (digest_init): Call it.  Additional parameter strict_string.  All
5296         callers changed.
5297         (output_init_element): Likewise.
5298         (struct constructor_stack): Use struct c_expr for
5299         replacement_value.
5300         (really_start_incremental_init, push_init_level): Update.
5301         (pop_init_level): Update.  Return struct c_expr.
5302         (process_init_level): Update.  Take struct c_expr argument.
5303
5304 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
5305
5306         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
5307         commit.
5308
5309 2004-07-21  Eric Christopher  <echristo@redhat.com>
5310
5311         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
5312         removal.
5313         * c-decl.c (pop_scope): Ditto.
5314         * calls.c (expand_call): Remove call to current_nesting_level,
5315         update comment accordingly. Remove calls to expand_start_target_temps
5316         and expand_end_target_temps.
5317         * cfgexpand.c (construct_init_block): Remove call to
5318         expand_start_bindings_and_block.
5319         (construct_exit_block): Remove call to expand_end_bindings.
5320         * expr.c (safe_from_p): Remove BIND_EXPR handling.
5321         (expand_expr_real_1): Ditto. Fix formatting.
5322         (expand_vars): Delete.
5323         * stmt.c (POPSTACK): Remove block_stack.
5324         (stmt_status): Remove x_block_stack.
5325         (block_stack): Delete.
5326         (expand_start_bindings_and_block): Ditto.
5327         (expand_start_target_temps): Ditto.
5328         (expand_end_target_temps): Ditto.
5329         (current_nesting_level): Ditto.
5330         (warn_about_unused_variables): Ditto.
5331         (expand_end_bindings): Ditto.
5332         * tree.h: Remove declarations for above.
5333
5334 2004-07-21  Steven Bosscher  <stevenb@suse.de>
5335
5336         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
5337         * rtl.c (note_insn_name): Likewise.
5338         * print-rtl.c (print_rtx): Don't print it.
5339         * cfgrtl.h (can_delete_note_p): Don't handle it.
5340         (rtl_delete_block): Likewise.
5341         * passes.c (rest_of_handle_guess_branch_prob): Remove.
5342         (rest_of_compilation): Don't call it.
5343         * predict.c (process_note_predictions, process_note_prediction,
5344         note_prediction_to_br_prob): Remove.
5345         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
5346         * stmt.c (return_prediction): Remove.
5347         (expand_value_return): Don't call it.  Don't add prediction
5348         notes for return statements.
5349
5350 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
5351
5352         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
5353         once.
5354
5355 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
5356
5357         * c-common.c (vector_types_convertible_p): Use vector types'
5358         TYPE_SIZE and TREE_TYPE instead of their mode.
5359         * convert.c (convert_to_integer): Likewise.
5360         (convert_to_vector): Likewise.
5361         * fold-const.c (fold_convert): Likewise.
5362         * varasm.c (output_constant): Likewise.
5363         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
5364         Allow a VECTOR_TYPE initializer to be made of several vectors.
5365         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
5366         of cleared and need_to_clear, and use fold_convert.
5367         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
5368         integer vectors.
5369
5370 2004-07-20  Richard Henderson  <rth@redhat.com>
5371
5372         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
5373         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
5374
5375 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
5376
5377         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
5378         enormous cost if not TARGET_HARD_MUL.
5379
5380 2004-07-20  Andrew Pinski  <apinski@apple.com>
5381
5382         PR target/16557
5383         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
5384         (ASM_SPEC): here.
5385
5386 2004-07-21  Paul brook  <paul@codesourcery.com>
5387
5388         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
5389
5390 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5391
5392         * fold-const.c (operand_equal_p): Temporarily support NULL args.
5393         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
5394         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
5395
5396 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
5397
5398         * rtl.h (plus_constant): Delete.
5399         (plus_constant_wide): Rename to plus_constant.
5400         (plus_constant_for_output_wide): Delete vestigial prototype.
5401         (GEN_INT): Remove unnecessary cast.
5402         * tree.h (build_int_2, size_int_type): Delete.
5403         (build_int_2_wide): Rename to build_int_2.
5404         (size_int_wide): Rename to size_int_kind.
5405         (size_int_type_wide): Rename to size_int_type.
5406         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
5407         Remove unnecessary cast.
5408         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
5409         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
5410         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
5411         (size_int_type_wide): Rename size_int_type.
5412         (int_const_binop): Use size_int_type.
5413         * c-lex.c (interpret_integer): Use build_int_2.
5414         * final.c (split_double): Remove unnecessary casts.
5415         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
5416
5417 2004-07-20  Richard Henderson  <rth@redhat.com>
5418
5419         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
5420         (gimplify_compound_lval): Use is_gimple_tmp_reg.
5421         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
5422         (is_gimple_tmp_reg): New.
5423         * tree-gimple.h (is_gimple_tmp_reg): Declare.
5424
5425 2004-07-20  Richard Henderson  <rth@redhat.com>
5426
5427         * tree-pretty-print.c (dump_generic_node): Dump
5428         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
5429
5430 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
5431
5432         * tree-mudflap.c (mf_set_options_fndecl): New tree.
5433         (mudflap_init): Set it.
5434         (mudflap_register_call): Remove __mf_init call.
5435         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
5436         to pass "-ignore-reads" option to libmudflap if needed.
5437
5438 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
5439
5440         PR c++/14607
5441         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
5442         (MAKE_DECL_ONE_ONLY): Undefine.
5443         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
5444         readonly_data, one_only_data_section, forget_section): New prototypes.
5445         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
5446         functions.
5447         (pa_select_section): Add one-only (COMDAT) support.
5448         * pa.h (struct machine_function): Define.
5449         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
5450         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
5451         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
5452         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
5453         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
5454         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
5455         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
5456         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
5457         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
5458         for EXTRA_SECTION_FUNCTIONS.
5459         * doc/install.texi: Update binutils requirements.
5460
5461 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
5462
5463         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
5464         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
5465         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
5466         size_t.
5467         (struct VEC): Use unsigned for num and alloc.
5468         * vec.c (struct vec_prefix): Likewise.
5469         (vec_o_reserve): Adjust.
5470
5471         * dbxout.c (dbxout_type): Fix printf format.
5472
5473         * tree.h (binfo_member): Remove.
5474         * tree.c (binfo_member): Remove.
5475
5476 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
5477
5478         * tree.h: Include vec.h
5479         (DEF_VEC_P(tree)): New type.
5480         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
5481         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
5482         (BINFO_LANG_SLOT): Remove.
5483         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
5484         (struct tree_binfo): Turn base_binfos into a trailing
5485         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
5486         (binfo_lang_slots): Remove.
5487         * tree.c (binfo_lang_slots): Remove.
5488         (make_tree_binfo_stat): Take a base binfo count, not a
5489         lang slot count.  Adjust.
5490         * Makefile.in (TREE_H): Add vec.h
5491         * alias.c (record_component_aliases): Adjust BINFO access.
5492         * dbxout.c (dbxout_type): Likewise.
5493         * dwarf2out.c (gen_member_die): Likewise.
5494         * sdbout.c (sdbout_one_type): Likewise.
5495         * tree-dump.c (deque_and_dump): Likewise.
5496         * config/i386/i386.c (classify_argument,
5497         contains_128bit_aligned_vector_p): Likewise.
5498         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
5499         * doc/c-tree.texi (Classes): Update BINFO documentation.
5500
5501 2004-07-20  Steven Bosscher  <stevenb@suse.de>
5502
5503         * c-common.h (check_case_value): Remove prototype.
5504         (c_add_case_label): Adjust prototype.
5505         * c-common.c (check_case_value): Make static.
5506         (check_case_bounds): New function.
5507         (c_add_case_label): Use it.  Take new argument orig_type.
5508         * c-typeck.c (struct c_switch): New orig_type field.
5509         (c_start_case): Set it.
5510         (do_case): Pass it to c_add_case_label.
5511         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
5512         cases from here.  Add the labels in reverse order.
5513         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
5514         (add_case_node): Return nothing, don't check for duplicate cases.
5515         Insert new case nodes in a list, not in an AVL tree.
5516         (expand_end_case_type): Don't turn a case tree into a case list.
5517         (case_tree2list): Remove.
5518         * tree.h (add_case_node): Adjust prototype.
5519
5520 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
5521
5522         * genattr.c (struct range, struct function_unit,
5523         write_units, extend_range, init_range): Remove them.
5524         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
5525         Output "#define INSN_SCHEDULING" here.
5526         * genattrtab.c (struct range, struct function_unit_op,
5527         struct function_unit, struct dimension, enum operator,
5528         operate_exp, expand_units, simplify_knowing,
5529         encode_units_mask, simplify_by_exploding,
5530         find_and_mark_used_attributes, unmark_used_attributes,
5531         add_values_to_cover, increment_current_value,
5532         test_for_current_value, simplify_with_current_value,
5533         simplify_with_current_value_aux, gen_unit,
5534         write_unit_name, write_function_unit_info,
5535         write_complex_function, write_toplevel_expr,
5536         find_single_value, extend_range): Remove.
5537         (write_attr_get): Do not handle common_av->value
5538         being an FFS.
5539         (struct attr_desc): Remove func_units_p and blockage_p.
5540         (write_attr_valueq): Do not handle them.
5541         (find_attr): Do not clear them.
5542         (make_internal_attr): Do not initialize them.
5543         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
5544         * sched-vis.c (init_target_units, insn_print_units,
5545         init_block_visualization, print_block_visualization,
5546         visualize_scheduled_insns, visualize_no_unit,
5547         visualize_stall_cycles, visualize_alloc,
5548         visualize_free, target_units, get_visual_tbl_length,
5549         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
5550         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
5551         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
5552         * haifa-sched.c (blockage_range, clear_units,
5553         schedule_unit, actual_hazard, potential_hazard,
5554         insn_unit, unit_last_insn, unit_tick,
5555         actual_hazard_this_instance, potential_hazard,
5556         schedule_unit, max_insn_queue_index_value): Remove.
5557         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
5558         max_insn_queue_index.
5559         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
5560         * doc/md.texi (Processor pipeline description): Remove
5561         references to old pipeline descriptions.
5562         (Automaton pipeline description): Merge with the above.
5563         (Old pipeline description, Comparison of the two descriptions):
5564         Remove.
5565
5566         * bt-load.c (migrate_btr_def): Remove references to
5567         use_pipeline_interface.
5568         * haifa-sched.c (insn_cost, schedule_insn,
5569         schedule_block, advance_one_cycle, sched_init,
5570         queue_to_ready, sched_finish): Likewise.
5571         * modulo-sched.c (sms_schedule, advance_one_cycle,
5572         ps_has_conflicts): Likewise.
5573         * sched-rgn.c (init_ready): Likewise.
5574         (debug_dependencies): Likewise, and remove an "if (1)".
5575         * target.h (use_dfa_pipeline_interface): Remove.
5576         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5577         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5578         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5579         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5580         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5581         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5582         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5583         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5584         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5585         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5586         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5587         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5588         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5589         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5590         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5591         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5592         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5593         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5594         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
5595
5596 2004-07-19  Roger Sayle  <roger@eyesopen.com>
5597
5598         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
5599
5600 2004-07-19  Jeff Law  <law@redhat.com>
5601
5602         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
5603         (get_eq_expr_value): Use it.  Simplify slightly.
5604
5605 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
5606
5607         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
5608         (umulsidi3_32bit_r4000): Likewise.
5609
5610 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
5611
5612         * vec.h: Propagate location information properly.
5613         (VEC_T_iterate): Add result pointer parameter.
5614         (VEC_T_space): New.
5615         (VEC_T_reserve): Use it.
5616
5617 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
5618
5619         * Makefile.in (c-format.o): Depend on c-format.h.
5620         * c-format.h: New file.
5621         (struct format_char_info): Add CHAIN member.
5622         * c-format.c: Move some types and constants to c-format.h.
5623         (format_type_error): Set to -1.
5624         (struct function_format_info): Use an int for format_type.
5625         (decode_format_type): Return an int.  Return format_type_error
5626         on error.
5627         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
5628         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
5629         (scan_char_table, time_char_table, monetary_char_table): Initialize
5630         CHAIN to NULL.
5631         (n_format_types): New variable.
5632         (check_format_info_main): Handle CHAIN in format_char_info.
5633         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
5634         TARGET_N_FORMAT_TYPES.
5635         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5636         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
5637         * config/sol2-c.c: New file.
5638         * config/t-sol2: New file.
5639         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
5640         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
5641         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
5642
5643         * doc/extend.texi (Target Format Checks): New section.
5644         (Function Attributes): Mention it.
5645         * doc/invoke.texi: Mention target format checks.
5646         * doc/sourcebuild.texi: Mention target format checks.
5647         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
5648         TARGET_FORMAT_TYPES.
5649
5650 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5651
5652         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
5653         added.
5654         * config/s390/s390.c (regclass_map initializer): Register 35 added to
5655         ADDR_REGS.
5656         (load_multiple_operation, store_multiple_operation): Removed
5657         pointless sanity check.
5658         (s390_decompose_address): Added check for return_address_pointer_rtx.
5659         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
5660         (s390_return_address_offset): New function.
5661         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
5662         (FRAME_REGNO_P): Added check for register 35.
5663         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
5664         REG_ALLOC_ORDER): Appended entry for register 35.
5665         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
5666         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
5667         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
5668         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
5669         is eliminable using stack pointer or hard frame pointer.
5670         (REGISTER_NAMES): Added name for register 35.
5671         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
5672         pointless sanity check.
5673
5674 2004-07-19  Roger Sayle  <roger@eyesopen.com>
5675
5676         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
5677         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
5678         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
5679         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
5680         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
5681         (fold_relational_const): Tidy up handling of floating point
5682         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
5683         transformation; fold_relational_const assumes constant operands.
5684
5685 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
5686
5687         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
5688         directory.
5689
5690 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
5691
5692         * c-tree.h (struct c_expr): Define.
5693         (C_SET_EXP_ORIGINAL_CODE): Remove.
5694         (parser_build_binary_op, build_compound_expr): Update prototypes.
5695         * c-parse.in (%union): Add exprtype.
5696         (FUNC_NAME): Mark as ttype.
5697         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
5698         exprtype.
5699         (expr): Update.  Define directly in terms of expr_no_commas
5700         instead of using nonnull_exprlist.
5701         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
5702         offsetof_member_designator, typespec_nonreserved_nonattr, init,
5703         initval, designator, component_declarator,
5704         component_notype_declarator, enumerator, array_declarator,
5705         condition, exexpr, switch_statement, stmt_nocomp, stmt,
5706         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
5707         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
5708         where appropriate.
5709         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
5710         * c-common.c (c_common_truthvalue_conversion): Don't check
5711         C_EXP_ORIGINAL_CODE.
5712         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
5713         Don't use C_EXP_ORIGINAL_CODE.
5714         (default_conversion, default_function_array_conversion): Don't use
5715         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
5716         (internal_build_compound_expr): Merge into build_compound_expr.
5717         (build_compound_expr): Take two operands instead of a TREE_LIST.
5718         * objc/objc-act.c (get_super_receiver): Update calls to
5719         build_compound_expr.
5720
5721 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
5722
5723         * config/sh/sh.c (sh_use_dfa_interface): Remove.
5724         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
5725         hook_int_void_1.
5726         * config/sh/sh.md: Extract pipeline descriptions
5727         into separate files.
5728         * config/sh/sh1.md: New file, extracted from sh.md.
5729         * config/sh/sh4.md: New file, extracted from sh.md.
5730         * config/sh/shmedia.md: New file, extracted from sh.md
5731         and rewritten using new-style pipeline description.
5732
5733 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
5734
5735         * config/pa/pa.md: Delete the two remaining define_peephole
5736         patterns.
5737
5738 2004-07-18  Steven Bosscher  <stevenb@suse.de>
5739             Joseph S. Myers  <jsm@polyomino.org.uk>
5740
5741         * c-common.c (c_common_truthvalue_conversion): Don't warn if
5742         TREE_NO_WARNING is set.
5743
5744 2004-07-18  Roger Sayle  <roger@eyesopen.com>
5745
5746         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
5747         simplify_builtin_strncmp): Delete.
5748         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
5749         Change argument to accept an arglist instead of an "exp".  Assume
5750         that the return type is always integer_type_node.  Copy missing
5751         transformations from their now obsolete simplify_builtin_*
5752         equivalents.
5753         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
5754         fold_builtin_strcmp and fold_builtin_strncmp.
5755         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
5756         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
5757         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
5758
5759 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
5760
5761         * Makefile.in (tree-alias-common.o): Update dependencies.
5762
5763 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
5764
5765         * cfgloop.c (flow_loop_nested_p): Fix comment.
5766
5767 2004-07-17  Jason Merrill  <jason@redhat.com>
5768
5769         PR c++/16115
5770         * stor-layout.c (relayout_decl): New fn.
5771         * tree.h: Declare it.
5772         (DECL_BY_REFERENCE): New macro.
5773
5774 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
5775
5776         * libgcc2.c (__enable_execute_stack): New symbol.
5777         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
5778         and declare __enable_execute_stack.
5779         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
5780         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
5781         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5782         ENABLE_EXECUTE_STACK.
5783         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
5784         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5785         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5786         ENABLE_EXECUTE_STACK.
5787         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5788         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
5789         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5790         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
5791         ENABLE_EXECUTE_STACK.
5792         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5793         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5794         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5795         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
5796         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
5797         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
5798         (sparc64_initialize_trampoline): Likewise.
5799         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
5800
5801 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5802
5803         * langhooks.h (builtin_function): New langhook.
5804         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
5805         (LANG_HOOKS_INITIALIZER): Update.
5806         * tree.h (builtin_function): Remove.
5807         * doc/tm.texi: Update.
5808         * c-tree.h (builtin_function): Declare.
5809         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
5810         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
5811         config/ia64/ia64.c, config/iq2000/iq2000.c,
5812         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
5813         config/stormy16/stormy16.c: All callers of builtin_function
5814         changed.
5815
5816 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
5817
5818         PR target/16556
5819         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
5820         Remove white space after the backslash.
5821
5822 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5823
5824         PR rtl-optimization/16294
5825         * resource.c (return_insn_p): New predicate.
5826         (mark_target_live_regs): Use it.  Special-case return insns.
5827         (init_resource_info): Use it.  Don't scan the epilogue past
5828         a return.
5829
5830 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5831
5832         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
5833         destroy dominance information.
5834         * passes.c (rest_of_handle_loop2):  Free dominance information.
5835         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
5836         jump threading.
5837         (thread_jumps): Update dominance information and remove unreachable
5838         blocks.
5839         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
5840         information and remove the unreachable block.
5841
5842 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
5843
5844         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
5845
5846 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
5847
5848         * doc/sourcebuild.texi: Remove libf2c entry.
5849
5850 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
5851
5852         * config/i386/i386.md (movv16qi_internal): Fix typo.
5853
5854 2004-07-17  Steven Bosscher  <stevenb@suse.de>
5855
5856         * final.c (final_scan_insn): Fix broken commit from previous
5857         patch.
5858
5859 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5860
5861         * c-typeck.c (parser_build_binary_op): Condition warnings for
5862         X<=Y<=Z on -Wparentheses instead of -Wextra.
5863         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
5864         supported for C only.
5865
5866 2004-07-17  Steven Bosscher  <stevenb@suse.de>
5867
5868         * cfgcleanup.c (try_simplify_condjump): Don't remove line
5869         notes to avoid unreachable code warnings.
5870         * toplev.c (backend_init): Don't emit line notes for
5871         unreachable code warnings.
5872
5873         * combine.c (distribute_notes): Don't distribute a
5874         REG_VTABLE_REF note.
5875         * final.c (final_scan_insn): Don't handle it.
5876         * rtl.c (reg_note_name): Remove it.
5877         * rtl.h (enum reg_node): Dito.
5878
5879         * emit-rtl.c (force_line_numbers, restore_line_number_status):
5880         Remove.
5881         * rtl.h (force_line_numbers, restore_line_number_status):
5882         Remove prototypes.
5883
5884         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
5885         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
5886         (using_eh_for_cleanups): Also moved here.
5887
5888         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
5889         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
5890         to expand_start_case and add_case_node.
5891         * stmt.c (struct nesting): Cleanup unused fields condition_code,
5892         last_unconditional_cleanup, nominal_type, printname, and
5893         line_number_status.
5894         (struct fixup_goto): Remove.
5895         (struct stmt_status): Remove x_goto_fixup_chain field.
5896         (goto_fixup_chain): Remove.
5897         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
5898         pushcase, pushcase_range): Remove.
5899         (expand_start_bindings_and_block): Don't set unused fields in
5900         the nesting stack.
5901         (expand_start_case, add_case_node): Cleanup unused formal arguments.
5902         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
5903         instead of emit_jump_if_reachable.
5904         (emit_case_nodes): Likewise.
5905         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
5906         static.
5907         (update_eh_label): Work around left-over exception handing regions.
5908         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
5909         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
5910         (pass_cleanup_cfg_post_optimizing): New pass.
5911         (init_tree_optimization_passes): Run the new pass after all
5912         optimizations.
5913         * tree.h (pushcase, pushcase_range): Remove prototypes.
5914         (expand_start_case, add_case_node): Update prototypes.
5915
5916 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
5917
5918         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
5919
5920 2004-07-16  Richard Henderson  <rth@redhat.com>
5921
5922         * builtins.c (std_expand_builtin_va_arg): Remove.
5923         (expand_builtin_va_arg): Remove.
5924         * expr.h: Don't declare them.
5925         * gimplify.c (mark_decls_volatile_r): Remove.
5926         (copy_if_shared_r): Don't call it.
5927         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
5928         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
5929         * gimple-low.c (lower_stmt): Likewise.
5930         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
5931         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
5932         * tree-ssa-operands.c (get_expr_operands): Likewise.
5933         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
5934         EXPAND_BUILTIN_VA_ARG.
5935         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
5936         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
5937         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
5938         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
5939
5940 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
5941
5942         * tree-ssa-pre.c (insert_aux): Break out if we hit
5943         a critical edge.
5944
5945 2004-07-16  Richard Henderson  <rth@redhat.com>
5946
5947         * basic-block.h (remove_fake_exit_edges): Declare.
5948         * cfganal.c (remove_fake_predecessors): Rename from
5949         remove_fake_successors; iterate over predecessors.
5950         (remove_fake_exit_edges): New.
5951         * cfgcleanup.c (try_optimize_cfg): Use it.
5952         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
5953         * predict.c (estimate_probability): Likewise.
5954         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
5955         * tree-cfg.c (make_edges): Likewise.
5956         * tree-ssa-pre.c (fini_pre): Likewise.
5957         * profile.c (instrument_edges): Don't remove_fake_edges.
5958         (branch_prob): Do it earlier here.
5959
5960 2004-07-16  Richard Henderson  <rth@redhat.com>
5961
5962         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
5963         switchification wrt CONSTRUCTOR.  Document the reason.
5964
5965 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
5966
5967         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
5968         that prevented descriptive __mf_check source location strings.
5969
5970 2004-07-16  Richard Henderson  <rth@redhat.com>
5971
5972         * tree-def (WITH_SIZE_EXPR): New.
5973         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
5974         * expr.c (expand_expr_real_1): Likewise.
5975         * gimplify.c (maybe_with_size_expr): New.
5976         (gimplify_arg, gimplify_modify_expr): Use it.
5977         (gimplify_modify_expr_to_memcpy): Take size parameter.
5978         (gimplify_modify_expr_to_memset): Likewise.
5979         (gimplify_expr): Handle WITH_SIZE_EXPR.
5980         * tree-alias-common.c (find_func_aliases): Likewise.
5981         * tree-eh.c (tree_could_trap_p): Likewise.
5982         (tree_could_throw_p): Likewise.
5983         * tree-gimple.c (is_gimple_lvalue): Likewise.
5984         (get_call_expr_in): Likewise.
5985         * tree-inline.c (estimate_num_insns_1): Likewise.
5986         (expand_calls_inline): Likewise.
5987         * tree-nested.c (convert_call_expr): Likewise.
5988         * tree-pretty-print.c (dump_generic_node): Likewise.
5989         * tree-sra.c (sra_walk_expr): Likewise.
5990         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
5991         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
5992         * tree-ssa-operands.c (get_expr_operands): Likewise.
5993         * tree-tailcall.c (find_tail_calls): Likewise.
5994
5995         * calls.c (expand_call): Reset old_stack_allocated after
5996         calling emit_stack_restore.
5997
5998 2004-07-16  Richard Henderson  <rth@redhat.com>
5999
6000         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
6001         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6002         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6003         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
6004         copy_res_decl_for_inlining.
6005
6006         * tree-inline.c (declare_return_variable): New modify_dest argument.
6007         Use it as the return value, when possible or manditory.  Handle
6008         TREE_ADDRESSABLE types.
6009         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
6010         replacement of CALL_EXPR.
6011
6012 2004-07-16  Richard Henderson  <rth@redhat.com>
6013
6014         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
6015         * gimple-low.c (expand_var_p): Don't check it.
6016         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
6017         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
6018         * tree-ssa-operands.c (add_stmt_operand): Likewise.
6019         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
6020         (find_referenced_vars): Don't call them.
6021         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
6022
6023 2004-07-16  Richard Henderson  <rth@redhat.com>
6024
6025         * function.c (pass_by_reference): True for all variable sized types.
6026
6027 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
6028
6029         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
6030         * tree-pretty-print.c: Include tree-chrec.h.
6031         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
6032         and POLYNOMIAL_CHREC nodes.
6033
6034 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
6035
6036         * builtins.c (expand_builtin_stpcpy): Do not create temporary
6037         reg with VOIDmode.
6038
6039 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6040
6041         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
6042
6043 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6044
6045         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
6046         to BASE_REGNUM.
6047         * config/s390/s390.c: Likewise.
6048         * config/s390/s390.h: Likewise.
6049
6050 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6051
6052         * config/mips/mips.md (addsi3, adddi3): Remove special handling
6053         of $sp adds.  Remove REGNO checks from mips16 patterns.
6054
6055 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6056
6057         * config/mips/mips.md: Delete outdated comment.
6058
6059 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6060
6061         * config/mips/mips.c (get_float_compare_codes): Delete.
6062         (mips_emit_compare): New function, mostly extracted from
6063         get_float_compare_codes and gen_conditional_branch.
6064         (gen_conditional_branch, gen_conditional_move): Use it.
6065
6066 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6067
6068         * genautomata.c (add_vect): Speedup by using integers as
6069         bit-vectors for walking through the comb_vect and finding
6070         a match.
6071
6072 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6073
6074         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
6075         operand is an uns_arith_operand; use subtraction otherwise.
6076         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
6077         not just arith_operands.
6078
6079 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6080
6081         * config/mips/mips-protos.h (gen_int_relational): Delete.
6082         (mips_emit_scc): Declare.
6083         * config/mips/mips.c (internal_test): Delete.
6084         (sle_operand, sleu_operand): New functions.
6085         (map_test_to_internal_test, gen_int_relational): Delete.
6086         (mips_emit_binary, mips_relational_operand_ok_p)
6087         (mips_emit_int_relational, mips_zero_if_equal)
6088         (mips_emit_scc): New functions.
6089         (gen_conditional_branch): Rework to use mips_emit_int_relational.
6090         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
6091         sleu_operand.
6092         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
6093         (sltu, sleu): Use mips_emit_scc.
6094         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
6095         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
6096         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
6097
6098 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6099
6100         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
6101
6102 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6103
6104         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
6105         (*sne_[sd]i): Likewise sne_[sd]i_zero.
6106         (*sgt_[sd]i): ...and sgt_[sd]i.
6107         (*slt_[sd]i): ...and slt_[sd]i.
6108         (*sgtu_[sd]i): ...and sgtu_[sd]i.
6109         (*sltu_[sd]i): ...and sltu_[sd]i.
6110         (*sleu_[sd]i): ...and sleu_[sd]i_const.
6111         Name previously unnamed mips16 patterns.  Formatting fixes.
6112
6113 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6114
6115         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
6116         (branch_type): Delete.
6117         (gen_conditional_branch, gen_conditional_move)
6118         (mips_gen_conditional_trap): Update after name change.  Get the
6119         comparison mode from cmp_operands[0].
6120         * config/mips/mips.h (cmp_type, branch_type): Delete.
6121         (cmp_operands): Renamed from branch_cmp.
6122         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
6123         name change.  Don't set branch_type.
6124         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
6125         mode class of cmp_operands[0] rather than branch_type.  Update after
6126         name change.
6127
6128 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6129
6130         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
6131         of 0...255 to 0 when inside a SET.
6132
6133 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6134
6135         * config/mips/mips.md: Remove mips16 define_peepholes.
6136
6137 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6138
6139         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
6140         (fini_pre): Remove fake edges.
6141
6142 2004-07-15  Richard Henderson  <rth@redhat.com>
6143
6144         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
6145         (get_indirect_ref_operands, get_call_expr_operands): ... these.
6146
6147 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
6148
6149         * vec.h (VEC_address): New function.
6150
6151 2004-07-14  Jason Merrill  <jason@redhat.com>
6152
6153         PR middle-end/15885
6154         * gimplify.c (gimplify_arg): New fn, split out from...
6155         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
6156
6157 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
6158
6159         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
6160         generate code which is generated by pushqi1 now
6161         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
6162
6163 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
6164
6165         * combine.c (simplify_set): match the mode of the constant 0 with
6166         the tested operand to match the compare behaviour and the
6167         simplify_relational_operation() expectation.
6168
6169 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
6170
6171         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
6172         ("bordered"): Same.
6173
6174 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
6175
6176         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
6177         unconditionally.
6178         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
6179
6180 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
6181
6182         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
6183         calls in mips16 code.
6184
6185 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
6186
6187         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
6188         the destination of the li as well as for the neg.
6189
6190 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
6191
6192         g++/15861
6193         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
6194         * cgraph.h: Update declaration.
6195         * c-decl.c (build_cdtor): Update call with default priority.
6196         * coverage.c (create_coverage): Ditto.
6197         * tree-mudflap.c (mf_init_fndecl): New tree.
6198         (mudflap_init): Set it.
6199         (mudflap_register_call): Arrange to call __mf_init before the first
6200         __mf_register call.
6201         (mudflap_finish_file): Mark the mudflap static initializer as extra
6202         high priority, to beat all C++ static constructors.
6203
6204 2004-07-15  Jeff Law  <law@redhat.com>
6205
6206         * loop.c (check_insn_for_givs): Restore check for code labels that was
6207         accidentally deleted by a recent checkin.
6208
6209 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
6210
6211         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
6212         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
6213
6214 2004-07-14  Richard Henderson  <rth@redhat.com>
6215
6216         * print-tree.c (print_node): Fix casts last change.
6217
6218 2004-07-15  Paul Brook  <paul@codesourcery.com>
6219
6220         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
6221         to TARGET_UNWIND_INFO.
6222         * except.c (output_function_exception_table): Ditto.
6223         * except.h: Ditto.
6224         * opts.c (decode_options): Ditto.
6225         * passes.c (rest_of_handle_final): Ditto.
6226         * final.c (final_start_function): Ditto.
6227         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
6228         target hook.
6229         * targhooks.h (default_unwind_emit): Declare.
6230         * targhooks.c (default_unwind_emit): New function.
6231         * target-def.h: Define and use TARGET_UNWIND_EMIT.
6232         * target.h (struct gcc_target): Add unwind_emit.
6233         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
6234         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
6235         Remove IA64_UNWIND_EMIT.
6236         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
6237
6238 2004-07-14  Richard Henderson  <rth@redhat.com>
6239
6240         * print-tree.c (print_node): Handle SSA_NAME.
6241
6242 2004-07-14  James E Wilson  <wilson@specifixinc.com>
6243
6244         PR target/16325
6245         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
6246         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
6247
6248 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
6249
6250         * expr.c (expand_assignment): Reenable bitfield += optimizations.
6251         Use alias set 0 for memory, do proper mode calculations and adjust
6252         address for memories.
6253
6254 2004-07-14  Per Bothner  <per@bothner.com>
6255
6256         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
6257         structure with extra column field.
6258         * tree.c (expand_location):  Also fill in column field.
6259         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
6260         gets confused by the two conditionally-compiled definitions.
6261
6262 2004-07-14  Eric Christopher  <echristo@redhat.com>
6263
6264         * calls.c (expand_call): Fix typo in comment.
6265
6266 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
6267
6268         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
6269         comparision of TFmode.
6270
6271 2004-07-14  Richard Henderson  <rth@redhat.com>
6272
6273         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
6274         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
6275         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
6276         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6277         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6278         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
6279         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6280         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6281         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6282
6283 2004-07-14  Mike Stump  <mrs@apple.com>
6284
6285         * config/darwin.h (WINT_TYPE): Define to be int to match
6286         system header files.
6287
6288 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
6289
6290         * config/xtensa/xtensa.c (function_arg_advance): Check for args
6291         that must be passed in the stack.
6292         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
6293         arguments if the size is not a constant.
6294
6295 2004-07-14  Per Bothner  <per@bothner.com>
6296
6297         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
6298         instead of EXPR_LOCUS in a boolean context, which is always true
6299         if --enable-mapped-location.
6300         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
6301
6302 2004-07-14  Richard Henderson  <rth@redhat.com>
6303
6304         * dominance.c (struct dom_info): Add fake_exit_edge.
6305         (init_dom_info): Allocate it.
6306         (free_dom_info): Free it.
6307         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
6308         in two passes.
6309         (calc_idoms): Honor fake_exit_edge.
6310
6311 2004-07-13  Jason Merrill  <jason@redhat.com>
6312
6313         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
6314         (rhs_test_for): New fn.
6315         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
6316         * tree-gimple.h: Declare them.
6317         * gimplify.c (gimplify_modify_expr): Use the new fns.
6318
6319 2004-07-14  Richard Henderson  <rth@redhat.com>
6320
6321         * config/arm/arm-protos.h (arm_va_arg): Remove.
6322         * config/arm/arm.c (arm_va_arg): Remove.
6323         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
6324         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
6325
6326 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6327
6328         * pa.c (fix_range): New function to mark a range(s) of registers as
6329         fixed registers.
6330         (override_options): Call fix_range if the -mfixed-range option string
6331         is not empty.
6332         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
6333         * doc/invoke.texi (-mfixed-range): Document new option.
6334
6335 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
6336
6337         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
6338         for TARGET_64BIT.
6339         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
6340
6341 2004-07-14  Roger Sayle  <roger@eyesopen.com>
6342
6343         * expmed.c (expand_sdiv_pow2): New function to expand signed division
6344         by a positive power of two, split out from expand_divmod.  Provide
6345         an alternate implementation when shifts are expensive.  Lower the
6346         threshold for using a branchless implementation to BRANCH_COST >= 2.
6347         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
6348
6349 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6350
6351         * tree-dfa.c (make_rename_temp): *Really* work just
6352         like create_tmp_var if called while outside SSA form.
6353
6354 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6355
6356         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
6357         for division by zero.
6358         ("umodsi3"): Likewise.
6359
6360 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
6361
6362         * config/mips/mips.c (mips_output_move): When generating mips16 code,
6363         force loads of negative constants to be split.
6364         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
6365         Generalize SImode li/neg splitter to cope with other modes.
6366
6367 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6368
6369         * expmed.c: Remove more references to QUEUED in the comments.
6370         * expr.c: Likewise.
6371
6372 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
6373
6374         Revert:
6375         2004-07-13  Richard Henderson  <rth@redhat.com>
6376         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
6377         correctly.
6378
6379 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6380
6381         * tree-dfa.c (make_rename_temp): Work just like
6382         create_tmp_var if called while outside SSA form.
6383
6384 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
6385
6386         * expr.c (enqueue_insn, finish_expr_for_function,
6387         protect_from_queue, queued_subexp_p, mark_queue,
6388         emit_insns_enqueued_after_mark, emit_queue,
6389         expand_increment): Remove.
6390         (store_constructor): Expand increment as an assignment.
6391         (expand_expr_real_1 <case PREINCREMENT_EXPR,
6392         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
6393         case POSTDECREMENT_EXPR>): Abort.
6394         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
6395         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
6396         protect_from_queue, emit_queue, queued_subexp_p): Remove.
6397         * function.h (pending_chain, x_pending_chain): Remove.
6398         * rtl.def (QUEUED): Remove.
6399
6400         * emit-rtl.c (copy_insn_1, copy_most_rtx,
6401         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
6402         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
6403         encode_units_mask): Likewise.
6404         * local-alloc.c (equiv_init_varies_p): Likewise.
6405         * rtl.c (copy_rtx): Likewise.
6406         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
6407         * simplify-rtx.c (simplify_gen_subreg): Likewise.
6408         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
6409
6410         * builtins.c (expand_builtin, expand_builtin_apply,
6411         expand_builtin_mathfn, expand_builtin_mathfn_2,
6412         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
6413         Remove calls to emit_queue and protect_from_queue.
6414         * calls.c (expand_call, precompute_arguments,
6415         precompute_register_parameters, rtx_for_function_call,
6416         store_one_arg): Likewise.
6417         * dojump.c (do_compare_and_jump, do_jump): Likewise.
6418         * explow.c (memory_address): Likewise.
6419         * expmed.c (clear_by_pieces_1, clear_storage,
6420         clear_storage_via_libcall, emit_group_load,
6421         emit_group_store, emit_store_flag,
6422         expand_expr_real_1, store_by_pieces,
6423         store_constructor, store_expr, try_casesi,
6424         try_tablejump): Likewise.
6425         * function.c (expand_pending_sizes): Likewise.
6426         * optabs.c (emit_cmp_and_jump_insns,
6427         emit_conditional_add, emit_conditional_move,
6428         expand_fix, expand_float, prepare_cmp_insn): Likewise.
6429         * stmt.c (emit_case_bit_tests,
6430         expand_asm_expr, expand_computed_goto,
6431         expand_decl_init, expand_end_case_type,
6432         expand_end_stmt_expr, expand_expr_stmt_value,
6433         expand_return, expand_start_case,
6434         optimize_tail_recursion): Likewise.
6435         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6436         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
6437
6438 2004-07-14  Ben Elliston  <bje@au.ibm.com>
6439
6440         * vec.h: Comment fix.
6441
6442 2004-07-13  Richard Henderson  <rth@redhat.com>
6443
6444         * target.h (struct gcc_target): Add calls.pass_by_reference.
6445         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
6446         * function.c (pass_by_reference): Use the hook.
6447         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
6448         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
6449         (hook_pass_by_reference_must_pass_in_stack): New.
6450         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
6451         (alpha_pass_by_reference): New.
6452         (TARGET_PASS_BY_REFERENCE): New.
6453         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6454         * config/arc/arc.c (arc_pass_by_reference): New.
6455         (TARGET_PASS_BY_REFERENCE): New.
6456         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6457         (FUNCTION_ARG_CALLEE_COPIES): True.
6458         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
6459         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
6460         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
6461         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6462         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6463         * config/cris/cris.c (cris_pass_by_reference): New.
6464         (TARGET_PASS_BY_REFERENCE): New.
6465         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
6466         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
6467         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6468         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
6469         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6470         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
6471         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
6472         (frv_function_arg_pass_by_reference): Remove.
6473         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6474         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
6475         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
6476         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
6477         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6478         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
6479         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
6480         (ia64_pass_by_reference): Rename from
6481         ia64_function_arg_pass_by_reference.
6482         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6483         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6484         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
6485         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
6486         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
6487         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6488         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6489         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
6490         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
6491         (m32r_pass_by_reference): Adjust prototype.  Make static.
6492         Handle mode sizes correctly.
6493         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6494         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
6495         (m68hc11_function_arg_pass_by_reference): Remove.
6496         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6497         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6498         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
6499         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6500         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
6501         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
6502         (mips_va_arg): Use pass_by_reference.
6503         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
6504         Handle mode sizes correctly.
6505         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6506         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
6507         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
6508         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
6509         (mmix_pass_by_reference): Rename from
6510         mmix_function_arg_pass_by_reference.
6511         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6512         (FUNCTION_ARG_CALLEE_COPIES): True.
6513         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
6514         (mn10300_pass_by_reference): New.
6515         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6516         (FUNCTION_ARG_CALLEE_COPIES): True.
6517         * config/pa/pa.c (pa_pass_by_reference): New.
6518         (TARGET_PASS_BY_REFERENCE): New.
6519         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6520         (FUNCTION_ARG_CALLEE_COPIES): True.
6521         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
6522         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
6523         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
6524         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6525         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
6526         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
6527         (s390_pass_by_reference): Rename from
6528         s390_function_arg_pass_by_reference.
6529         (s390_function_arg_advance): Don't query pass-by-ref.
6530         (s390_function_arg): Likewise.
6531         (s390_gimplify_va_arg): Use pass_by_reference.
6532         (s390_call_saved_register_used): Likewise.
6533         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6534         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
6535         (shcompact_byref, sh_pass_by_reference): New.
6536         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6537         (SHCOMPACT_BYREF): Remove.
6538         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
6539         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
6540         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
6541         (sparc_gimplify_va_arg): Use pass_by_reference.
6542         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6543         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6544         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
6545         (v850_pass_by_reference): New.
6546         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6547         (FUNCTION_ARG_CALLEE_COPIES): True.
6548         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
6549         FUNCTION_ARG_PASS_BY_REFERENCE docs.
6550
6551 2004-07-14  Richard Henderson  <rth@redhat.com>
6552             Richard Sandiford  <rsandifo@redhat.com>
6553
6554         * config/mips/mips-protos.h (mips_va_arg): Delete.
6555         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
6556         * config/mips/mips.c: Include tree-gimple.h.
6557         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
6558         (mips_arg_info): Remove special handling of must_pass_in_stck args.
6559         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
6560         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
6561
6562 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
6563
6564         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
6565         arguments for COND_EXPR in big-endian adjustment code.
6566
6567 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6568
6569         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
6570         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
6571         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
6572         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
6573
6574 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
6575
6576         PR tree-optimization/16443
6577         * tree-ssa-alias.c: Add more description for
6578         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
6579         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
6580         clobbering of call-clobbered and addressable variables.  If
6581         there are any before aliases have been computed, add them.
6582
6583 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
6584
6585         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
6586         verification.
6587
6588 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
6589
6590         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
6591         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
6592         to the same type.
6593
6594 2004-07-13  Per Bothner  <per@bothner.com>
6595
6596         * collect2.c (main):  Handle --no-demangle and --demangle flags.
6597
6598 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
6599
6600         * Makefile.in (OBJS-common): Add tree-data-ref.o.
6601         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
6602         (tree-data-ref.o): New rule.
6603         * lambda.h: New file.
6604         * tree-data-ref.c: New file.
6605         * tree-data-ref.h: New file.
6606         * tree.c (int_cst_value, tree_fold_gcd): New functions.
6607         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
6608
6609 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6610
6611         PR target/13926
6612         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
6613         * config/sparc/sparc.c (output_ubranch): New function.
6614         * config/sparc/sparc.md (jump pattern): Use it.
6615
6616 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6617
6618         PR target/16494
6619         * config/sparc/sparc.c (output_cbranch): Properly guard
6620         the code handling far branches with TARGET_V9.
6621         * config/sparc/sparc.md (length attribute): Document the
6622         side-effect of having a length greater or equal to 3.
6623
6624 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6625             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
6626
6627         PR target/15186
6628         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
6629         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
6630
6631 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6632             Martin Sebor  <sebor@roguewave.com>
6633
6634         PR target/12602
6635         * doc/invoke.texi (SPARC options): Document -threads
6636         and -pthreads on Solaris.
6637
6638 2004-07-13  Richard Henderson  <rth@redhat.com>
6639
6640         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
6641         by reference.
6642         (ind_gimplify_va_arg_expr): Remove.
6643         * tree.h (ind_gimplify_va_arg_expr): Remove.
6644         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
6645         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
6646         argsp to be null.
6647
6648         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
6649         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
6650         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
6651         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
6652         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
6653
6654 2004-07-13  Richard Henderson  <rth@redhat.com>
6655
6656         * function.c (pass_by_reference): New.
6657         (assign_parm_find_data_types): Use it.
6658         * calls.c (initialize_argument_information): Likewise.
6659         (emit_library_call_value_1): Likewise.
6660         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
6661         * function.h (pass_by_reference): Declare.
6662
6663 2004-07-13  Richard Henderson  <rth@redhat.com>
6664
6665         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
6666         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
6667         * expr.h (MUST_PASS_IN_STACK): Remove.
6668         * system.h (MUST_PASS_IN_STACK): Poison.
6669         * tree.h (must_pass_in_stack_var_size): Declare.
6670         (must_pass_in_stack_var_size_or_pad): Declare.
6671         * calls.c (must_pass_in_stack_var_size): New.
6672         (must_pass_in_stack_var_size_or_pad): Rename from
6673         default_must_pass_in_stack.
6674         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
6675         (TARGET_MUST_PASS_IN_STACK): New.
6676         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
6677         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
6678         (TARGET_MUST_PASS_IN_STACK): New.
6679         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
6680         * config/frv/frv.c (frv_must_pass_in_stack): New.
6681         (TARGET_MUST_PASS_IN_STACK): New.
6682         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
6683         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
6684         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
6685         (ix86_must_pass_in_stack): Make static.
6686         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
6687         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
6688         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
6689         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
6690         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
6691         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
6692         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
6693         (mcore_must_pass_on_stack): Remove.
6694         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
6695         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
6696         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
6697         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
6698         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
6699         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
6700         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
6701         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
6702         (TARGET_MUST_PASS_IN_STACK): New.
6703         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
6704         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
6705         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
6706         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
6707         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
6708         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
6709         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
6710         MUST_PASS_IN_STACK.
6711
6712         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
6713         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
6714         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
6715         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
6716         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
6717         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
6718         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
6719         config/xtensa/xtensa.c: Use target hook.
6720
6721 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
6722
6723         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
6724         * configure: Rebuilt.
6725
6726 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
6727
6728         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
6729         * config/mips/mips.h (mips_reg_names): Don't declare.
6730         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
6731         (TARGET_NAME_REGS): Delete.
6732         (TARGET_SWITCHES): Remove -mrnames.
6733         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
6734         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
6735         in REGISTER_NAMES.
6736         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
6737         (override_options): Remove handling of TARGET_NAME_REGS.
6738
6739 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
6740
6741         * config/mips/mips.h (TARGET_*): Boolify.
6742
6743 2004-07-12  Nick Clifton  <nickc@redhat.com>
6744
6745         * config.gcc: Add sh-*-symbianelf target.
6746         * config/sh/sh.c: Add new target macros:
6747         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
6748         TARGET_CXX_IMPORT_EXPORT_CLASS.
6749         (sh_file_start): Create a definition of the .directive section.
6750         (sh_attribute): Add dllimport and dllexport attributes.
6751         * config/sh/symbian-pre.h: New file.
6752         * config/sh/symbian-post.h: New file.
6753         * config/sh/symbian.c: New file. Contains Symbian specific
6754         functions.
6755         * config/sh/sh-protos.h: Add prototypes for new functions
6756         provided by symbian.c.
6757         * config/sh/t-symbian: New file.
6758         * doc/extend.texi: Document support for dllimport and dllexport
6759         attributes by the sh-symbianelf target.
6760
6761 2004-07-12  James E Wilson  <wilson@specifixinc.com>
6762
6763         * Makefile.in (AR): Use @AR@ not ar.
6764         (NM): New.
6765         (AR_FOR_TARGET): Use $(AR) not ar for native.
6766         (NM_FOR_TARGET): Use $(NM) not nm for native.
6767         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
6768         * configure: Regenerate.
6769
6770 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
6771
6772         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
6773         special case.
6774         (ashldi3_sp64): Likewise.
6775
6776 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6777
6778         PR target/16477
6779         * pa.c (function_arg): Update comment.
6780         * pa.h (BLOCK_REG_PADDING): Define.
6781
6782 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6783
6784         PR tree-optimization/16461
6785         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
6786         arguments of phi nodes.
6787
6788 2004-07-12  Devang Patel  <dpatel@apple.com>
6789
6790         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
6791
6792 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
6793
6794         * function.c (expand_function_start): Ensure r_save is in Pmode.
6795         * calls.c (prepare_call_address): Ensure static_chain_value is
6796         in Pmode.
6797         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
6798         r_save_area are in Pmode.
6799         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
6800         fnaddr, and static_chain are in Pmode.
6801
6802 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
6803
6804         PR target/16445
6805         * config/ia64/ia64.c (bundling): Don't count ignored insns.
6806
6807 2004-07-12  Richard Henderson  <rth@redhat.com>
6808
6809         * target.h (struct gcc_target): Move gimplify_va_arg_expr
6810         next to build_builtin_va_list.
6811         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
6812         * builtins.c (gimplify_va_arg_expr): Likewise.
6813         * gimplify.c (copy_if_shared_r): Likewise.
6814
6815 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
6816
6817         * passes.c (rest_of_decl_compilation): Don't defer call of
6818         assemble_variable if its DECL_RTL is already set.
6819
6820 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
6821
6822         * cfgloop.h (struct loop): Add nb_iterations field.
6823         (current_loops): Declare.
6824         * tree-chrec.c (chrec_not_analyzed_yet,
6825         chrec_dont_know, chrec_known, count_ev_in_wider_type,
6826         chrec_contains_symbols_defined_in_loop): Remove the temporary
6827         hooks.
6828         * tree-flow-inline.h (loop_containing_stmt): New function.
6829         * tree-scalar-evolution.c: Add implementation.
6830         * tree-scalar-evolution.h: Add declarations.
6831
6832 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
6833
6834         PR rtl-optimization/15921
6835         * Makefile.in (global.o): Add recog.h.
6836
6837         * global.c (recog.h): Add the include-clause.
6838         (bb_info): New member earlyclobber.
6839         (allocate_bb_info, free_bb_info): Initialize/finish the new
6840         member.
6841         (earlyclobber_regclass, earlyclobber_regclass_length): The new
6842         global variables.
6843         (check_earlyclobber, regclass_intersect,
6844         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
6845         New functions.
6846         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
6847         (make_accurate_live_analysis): Modify pavin.
6848
6849 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
6850
6851         * tree-cfg.c (find_taken_edge): Statically compute the truth
6852         value of a predicate comparing an SSA_NAME to itself.
6853
6854 2004-07-12  Roger Sayle  <roger@eyesopen.com>
6855
6856         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
6857         rs6000 doesn't have shift-and-add or shift-and-sub instructions
6858         by returning the cost of a multiplication plus an addition.
6859
6860 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
6861
6862         PR tree-optimization/14107
6863         * gimplify.c (gimplify_return_expr): Accept a
6864         RETURN_EXPR with an error argument.
6865         * tree-optimize.c (init_tree_optimization_passes):
6866         Run pass_warn_function_return at -O0.
6867
6868 2004-07-12  Roger Sayle  <roger@eyesopen.com>
6869
6870         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
6871         index entry.
6872
6873 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
6874
6875         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
6876         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6877         * config/mips/3000.md: Add copyright notice.  Remove automota and
6878         function units; use generic ones instead.  Only define reservations
6879         for things that are different from generic.md.  Extend each clause
6880         to include r3900.
6881         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
6882         * config/mips/mips.md: Include them. Remove define_function_units.
6883         (alu, imuldiv): New automata and units.
6884
6885 2004-07-12  Ben Elliston  <bje@au.ibm.com>
6886
6887         * doc/invoke.texi (Optimize Options): Document -frename-registers
6888         not being enabled by default at -O3.
6889
6890 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6891
6892         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
6893         floating point additions, to keep real immediate constant positive.
6894         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
6895         into X + C, and leave positive real constants as X - C.
6896
6897 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6898
6899         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
6900
6901 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6902
6903         PR tree-optimization/15654
6904         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
6905
6906 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6907
6908         * builtins.c (fold_builtin_fputs): Don't bother converting the
6909         return type to integer_type_node, as we've already checked that
6910         the result will be ignored.
6911
6912         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
6913         that signed addition, subtraction, multiplication, division,
6914         remainder, negation and absolute value may potentially trap.
6915
6916         * fold-const.c (fold_ignored_result): New function to strip
6917         non-side-effecting tree nodes from an expression whose result
6918         is ignored.
6919         (fold_convert): Call fold_ignored_result when casting a value
6920         to VOID_TYPE.
6921         (omit_one_operand):  Call fold_ignored_result on the "omitted"
6922         operand when building a COMPOUND_EXPR.
6923         (pedantic_omit_one_operand): Likewise.
6924         * tree.h (fold_ignored_result): Prototype here.
6925         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
6926         when we're going to ignore the result.
6927
6928 2004-07-11  Richard Henderson  <rth@redhat.com>
6929
6930         PR tree-opt/16383
6931         * tree-ssa-ccp.c (fold_stmt_r): Split out...
6932         * tree.c (fields_compatible_p, find_compatible_field): ... new.
6933         * tree.h (fields_compatible_p, find_compatible_field): Declare.
6934         * tree-sra.c (sra_hash_tree): Hash fields by offset.
6935         (sra_elt_eq): Use fields_compatible_p.
6936         (generate_one_element_ref): Use find_compatible_field.
6937
6938 2004-07-11  Richard Henderson  <rth@redhat.com>
6939
6940         PR tree-opt/16422
6941         * tree-sra.c (generate_one_element_init): New.
6942         (generate_element_init): Use it.
6943         (scalarize_init): Push/pop gimplify context around it.
6944         (find_new_referenced_vars_1, find_new_referenced_vars): New.
6945         * gimplify.c (gimplify_expr): Allow SSA_NAME.
6946
6947 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6948
6949         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
6950         combine.c's combine_insn_cost.
6951         * rtl.h (insn_rtx_cost): Prototype here.
6952         * combine.c (combine_insn_cost): Delete function.
6953         (combine_validate_cost): Update callers of combine_insn_cost to
6954         call insn_rtx_cost instead.
6955         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
6956         requesting the rtx_cost of call and/or jump instructions.
6957
6958         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
6959         rtx_cost directly.  Don't request/use the cost of call or jump
6960         instructions.  Return -1 if the cost of any instruction can't be
6961         determined (or the BB contains a function call).
6962         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
6963         -1 (i.e. can't determine the cost of any instruction or the basic
6964         block contains a subroutine call).
6965         (find_if_case_2): Likewise.
6966
6967 2004-07-11  Roger Sayle  <roger@eyesopen.com>
6968
6969         * rs6000.c (struct processor_costs): Change semantics of fields to
6970         include the COST_N_INSNS scaling, and update all initializers.
6971         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
6972         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
6973         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
6974         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
6975
6976 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6977
6978         * LANGUAGES: Remove obsolete information.
6979
6980 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
6981
6982         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
6983         SIGBUS signal frames, the PSW address points *to* the faulting
6984         instruction, not after it.
6985
6986 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
6987
6988         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
6989         added to TLS symbol addresses.
6990
6991 2004-07-11  Richard Henderson  <rth@redhat.com>
6992
6993         * expmed.c (init_expmed): Use stack-local structures for
6994         temporary rtl.  Don't recognize shifts.
6995
6996 2004-07-11  Richard Henderson  <rth@redhat.com>
6997
6998         * expr.c (store_expr): Don't fiddle subreg promotion for types
6999         with precision smaller than the mode.
7000
7001 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7002
7003         * tree.h (all_types_permanent): Remove.
7004
7005 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7006
7007         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
7008         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
7009         * langhooks.c (lhd_clear_binding_stack): Remove.
7010         * langhooks-def.h (lhd_clear_binding_stack,
7011         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7012         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
7013         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
7014         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7015         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
7016         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7017         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
7018         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7019         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
7020         * tree.h (poplevel): Don't declare.
7021         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
7022         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7023         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
7024         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
7025         Remove.
7026
7027 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7028
7029         PR tree-optimization/16437
7030         * c-common.c (shorten_compare): Don't mark result of conversion to
7031         narrower signed type as overflowing.
7032         * fold-const.c (decode_field_reference): Determine whether
7033         signedness comes from outer type using precision rather than size.
7034
7035 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7036
7037         * configure.ac:  Alphabetize --enable-checking list, add
7038         missing valgrind entry.
7039         * configure:  Regenerate.
7040
7041 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7042
7043         * doc/install.texi (Testing):  Fix syntax in "make check" example.
7044
7045 2004-07-10  James E Wilson  <wilson@specifixinc.com>
7046
7047         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
7048
7049 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7050
7051         PR rtl-optimization/16001
7052         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
7053         niter_expr.
7054
7055 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
7056
7057         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
7058
7059 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
7060             James Morrison  <phython@gcc.gnu.org>
7061
7062         * doc/contrib.texi (Contributors): Add gfortran contributors and
7063         fix a couple of typos.
7064
7065 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7066
7067         PR rtl-optimization/15387
7068         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
7069         to incoming args space correctly.
7070
7071 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7072
7073         * pa.c (output_indirect_call): Only use %r2 as the link register in
7074         indirect calls with the long PA 2.0 pc-relative branch.
7075
7076 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
7077
7078         * config/i386/i386.c (override_options): Pick a 64-bit CPU
7079         for the default tuning if TARGET_64BIT.
7080
7081 2004-07-10  Richard Henderson  <rth@redhat.com>
7082
7083         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
7084         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
7085
7086 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
7087
7088         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
7089         * expmed.c (store_bit_field, extract_bit_field): Remove last
7090         argument.
7091         * builtins.c (expand_builtin_signbit): Adjust callers.
7092         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
7093         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
7094         * ifcvt.c (noce_emit_move_insn): Likewise.
7095         * stmt.c (expand_return): Likewise.
7096         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
7097         store_field, expand_expr_real_1): Likewise.
7098
7099 2004-07-10  Richard Henderson  <rth@redhat.com>
7100
7101         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
7102
7103 2004-07-09  Mike Stump  <mrs@apple.com>
7104
7105         * config/darwin.c (no_dead_strip): Add.
7106         (HAVE_DEAD_STRIP): Add.
7107         (darwin_emit_unwind_label): Ensure that we don't dead code strip
7108         the .eh label.
7109
7110 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7111
7112         * tree-ssa-loop-im.c: New file.
7113         * Makefile.in (tree-ssa-loop-im.o): Add.
7114         * cfgloop.c (superloop_at_depth): New function.
7115         * cfgloop.h (superloop_at_depth): Declare.
7116         * common.opt (ftree-lim): New flag.
7117         * expr.c (array_ref_up_bound): New function.
7118         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
7119         * timevar.def (TV_LIM): New timevar.
7120         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
7121         computing immediate uses of a phi node.
7122         * tree-flow.h (struct tree_ann_common_d): Add aux field.
7123         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
7124         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
7125         * tree-pass.h (pass_lim): Declare.
7126         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
7127         functions.
7128         (pass_lim): New pass structure.
7129         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
7130         * tree.c (in_array_bounds_p): New function.
7131         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
7132         (in_array_bounds_p, array_ref_up_bound): Declare.
7133         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
7134         * doc/passes.texi (tree-ssa-loop-im.c): Document.
7135
7136 2004-07-09  Richard Henderson  <rth@redhat.com>
7137
7138         * builtins.c (expand_builtin_stpcpy): Don't modify len.
7139
7140         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
7141         with prejudice.
7142
7143 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
7144
7145         * flags.h: Delete redundant prototypes that are being generated
7146         in options.h from common.opt.
7147         * common.opt: Add in the expository comments formerly in flags.h.
7148
7149 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7150
7151         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
7152         available for use only when TARGET_MMX/_SSE is set, and check for
7153         variable argument function if any register count is non-zero.
7154         (function_arg): Correctly suppress repeated warnings for passing SSE
7155         vectors are arguments without SSE enabled.
7156         (ix86_function_arg_boundary): Without SSE enabled, the use of what
7157         would be SSE register modes does no longer influence the alignment.
7158
7159 2004-07-09  Richard Henderson  <rth@redhat.com>
7160
7161         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
7162         Always align upward to arg boundary.  Use size_in_bytes/round_up.
7163         Maintain type-correctness of constants.
7164         * stor-layout.c (round_up, round_down): Special-case powers of 2.
7165
7166 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
7167
7168         * config/sparc/sparc.c (*_costs): Scale instruction costs
7169         by COSTS_N_INSNS.
7170         (sparc_rtx_costs): Adjust as appropriate.
7171
7172 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7173
7174         * config/i386/mm3dnow.h: New.
7175         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
7176
7177 2004-07-09  Richard Henderson  <rth@redhat.com>
7178
7179         * simplify-rtx.c (simplify_const_relational_operation): Only
7180         look at bounds of scalar integers.
7181
7182 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7183
7184         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
7185
7186 2004-07-09  Andrew Pinski  <apinski@apple.com>
7187
7188         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
7189         always referenced.
7190         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
7191         UOBJC_METACLASS_decl.
7192
7193 2004-07-09  James E Wilson  <wilson@specifixinc.com>
7194
7195         PR target/16364
7196         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
7197         do return a parallel if hfa_mode == XFmode and mode == TImode.
7198
7199 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7200
7201         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
7202         permissible for unary plus.
7203
7204 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7205
7206         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
7207         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
7208         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
7209         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
7210         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
7211         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
7212         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
7213         (BUILTIN_xxxIMAX): New.
7214         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
7215         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
7216         BUILT_IN_PARITYIMAX.
7217
7218 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
7219
7220         * config/sparc/sparc.h (processor_costs): Define.
7221         (sparc_costs): Declare.
7222         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
7223         hypersparc_costs, sparclet_costs, ultrasparc_costs,
7224         ultrasparc3_costs): New.
7225         (sparc_override_options): Set sparc_costs as appropriate.
7226         (sparc_rtx_costs): Use sparc_costs instead of messy
7227         conditionals.
7228
7229 2004-07-09  Steven Bosscher  <stevenb@suse.de>
7230
7231         * doc/md.texi (Processor pipeline description): Mention that
7232         the old pipeline description is deprecated.
7233
7234         * config/rs6000/7450.md (automaton ppc7450): Split up, move
7235         mciu_7450 function unit to...
7236         (automaton ppc7450mciu): ...new automaton.
7237
7238         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
7239         (schedule_block): Don't consider inserting bubbles.
7240         (sched_init): Don't initialize DFA bubbles.
7241         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
7242         TARGET_SCHED_DFA_BUBBLE): Remove.
7243         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
7244         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
7245         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
7246
7247         * stmt.c (conditional_context): Remove prototype.
7248         * tree.h (conditional_context): Remove.
7249         * tree-cfg.c (pre_insert_on_edge): Remove.
7250
7251         * c-common.h (c_expand_asm_operands): Remove prototype.
7252         * c-typeck.c (c_expand_asm_operands): Remove.
7253
7254 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7255
7256         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
7257         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
7258         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
7259         and V8QI are class SSE. All sufficiently small remaining vector modes
7260         must be passed in one or two integer registers.
7261         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
7262         returned in memory.
7263         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
7264         __builtin_ia32_pmuludq128 have non-uniform argument and return types
7265         and must thus be handled explicitly.
7266         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
7267         MMX and XMM regs.
7268         (movv8qi_internal, movv4hi_internal, movv2si_internal,
7269         movv2sf_internal): Permit moving between MMX and XMM registers (since
7270         MMX areguments and return values are passed in XMM registers).
7271         (sse2_umulsidi3): Correct type and mode.
7272
7273 2004-07-09  Richard Henderson  <rth@redhat.com>
7274
7275         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
7276
7277 2004-07-09  Eric Christopher  <echristo@redhat.com>
7278
7279         * config/rs6000/40x.md: Split into two automatons.
7280
7281 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
7282             Andrew Pinski  <apinski@apple.com>
7283
7284         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
7285         on when we have more than one input file.
7286         (c_common_parse_file): Restore loop over all input files.
7287         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
7288
7289         * c-decl.c (set_type_context): New function.
7290         (pop_scope): Use it to set context of types.  When we
7291         encounter a TYPE_DECL, set the context of the attached type too.
7292         (pop_file_scope): Don't call cpp_undef_all here.
7293         (diagnose_mismatched_decls): Do not complain about a second
7294         definition of an 'extern inline' function if it's not in the
7295         same translation unit.  Do not complain about inline
7296         declaration after use if the use was in a different
7297         translation unit.
7298         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
7299         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
7300         the external scope.
7301         (pushdecl_top_level): Likewise.
7302         (grokdeclarator): Clarify what is going on with setting
7303         DECL_EXTERNAL on function types, a little.
7304         (c_write_global_declarations): Don't do anything if
7305         -fsyntax-only or errors have been encountered.
7306
7307 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
7308
7309         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
7310
7311 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7312
7313         PR target/16459
7314         * pa.c (output_indirect_call): Use %r2 as the link register when
7315         calling $$dyncall with a pc-relative branch.
7316
7317 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
7318
7319         * doc/install.texi (Binaries): Mention OpenPKG.
7320
7321 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
7322
7323         Fix PR tree-optimization/15555
7324         * tree-dfa.c (dump_variable): If the variable is a pointer
7325         SSA_NAME, also dump its points-to information.
7326         * tree-flow.h (struct ptr_info_def): Add field
7327         is_dereferenced.
7328         (dump_points_to_info_for): Declare.
7329         (debug_points_to_info_for): Declare.
7330         * tree-optimize.c (init_tree_optimization_passes): Add a
7331         second alias analysis pass after DOM2.
7332         Move pass_del_pta to a later spot.
7333         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
7334         create a name tags when we find a dereferenced pointer.  Just
7335         mark the pointer dereferenced.
7336         (collect_points_to_info_for): Move code to clear points-to
7337         information to create_name_tags.
7338         (create_name_tags): New function.
7339         (compute_flow_sensitive_aliasing): Call it.
7340         (setup_pointers_and_addressables): Mark type tags for renaming
7341         here instead of ...
7342         (create_memory_tag): ... here.
7343         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
7344         (dump_points_to_info_for): Declare extern.
7345         (debug_points_to_info_for): New function.
7346
7347 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
7348
7349         * config/arc/arc.md: Switch to DFA-based scheduler description.
7350         * config/arc/arc.c: Switch to DFA-based scheduler description.
7351
7352 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7353
7354         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
7355         pointer.
7356
7357 2004-07-09  Richard Henderson  <rth@redhat.com>
7358
7359         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
7360         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7361         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
7362         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
7363
7364         * config/v850/v850-protos.h (v850_va_arg): Remove.
7365         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7366         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
7367         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
7368         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
7369         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
7370
7371 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7372
7373         PR target/12133
7374         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
7375         and DImode to use +/-4k offset.
7376
7377 2004-07-09  Richard Henderson  <rth@redhat.com>
7378
7379         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
7380         Remove.
7381         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7382         (xstormy16_gimplify_va_arg_expr): Rewrite from
7383         xstormy16_expand_builtin_va_arg.
7384         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
7385
7386         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
7387         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
7388
7389         * config/sh/sh-protos.h (sh_va_arg): Remove.
7390         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7391         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
7392         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
7393
7394         * config/pa/pa-protos.h (hppa_va_arg): Remove.
7395         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7396         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
7397         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
7398
7399         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
7400         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7401         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
7402         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
7403
7404 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
7405
7406         * config/sparc/sparc.md (return): Rewrite length formula.
7407         * config/sparc/sparc.c (output_return): Pass 1 as 5th
7408         argument to final_scan_insn when in a delay slot.
7409         (output_sibcall): Likewise.
7410
7411 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
7412
7413         * arm.c (arm_cpp_interwork): New variable.
7414         (arm_override_options): Set it if TARGET_INTERWORK was on the command
7415         line.
7416         * arm.h (arm_cpp_interwork): Declare it.
7417         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
7418         __THUMB_INTERWORK__ in the preprocessor.
7419
7420 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
7421
7422         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
7423
7424 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
7425
7426         PR target/16416
7427         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
7428         Override default settings to account for -m32 and -m64.
7429
7430 2004-07-08  Randolph Chung  <tausq@debian.org>
7431
7432         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
7433
7434 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
7435
7436         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
7437         before comparing it as such.
7438
7439 2004-07-08  Richard Henderson  <rth@redhat.com>
7440
7441         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
7442         temporary.  Use bit arithmetic to align.
7443
7444 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
7445
7446         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
7447         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
7448         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
7449         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
7450         add_labels_and_missing_jumps, find_jump_block,
7451         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
7452         Likewise.
7453         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
7454         link_btr_uses, move_btr_def): Likewise.
7455         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
7456         expand_builtin_expect_jump): Likewise.
7457         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
7458         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7459         * cfganal.c (forwarder_block_p): Likewise.
7460         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
7461         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
7462         find_bb_boundaries): Likewise.
7463         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7464         merge_blocks_move_predecessor_nojumps,
7465         merge_blocks_move_successor_nojumps, insns_match_p,
7466         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7467         try_optimize_cfg): Likewise.
7468         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
7469         * cfglayout.c (skip_insns_after_block, label_for_bb,
7470         record_effective_endpoints, insn_locators_initialize,
7471         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
7472         * cfgmainloop.c (create_loop_notes): Likewise.
7473         * cfgrtl.c (delete_insn, delete_insn_chain,
7474         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
7475         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
7476         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
7477         redirect_branch_edge, force_nonfallthru_and_redirect,
7478         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
7479         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
7480         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
7481         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
7482         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
7483         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
7484         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
7485         * combine.c (combine_instructions, can_combine_p, try_combine,
7486         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
7487         distribute_notes, distribute_links, insn_cuid): Likewise.
7488         * cse.c (fold_rtx, cse_insn, cse_around_loop,
7489         invalidate_skipped_block, cse_set_around_loop,
7490         cse_end_of_basic_block, cse_main, cse_basic_block,
7491         cse_condition_code_reg): Likewise.
7492         * cselib.c (cselib_process_insn): Likewise.
7493         * ddg.c (create_ddg): Likewise.
7494         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
7495         Likewise.
7496         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
7497         gen_label_die, dwarf2out_var_location): Likewise.
7498         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
7499         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
7500         last_call_insn, active_insn_p, next_label, prev_label,
7501         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
7502         add_insn_before, remove_insn, add_function_usage_to,
7503         reorder_insns, find_line_note, remove_unnecessary_notes,
7504         emit_insn_after_1, classify_insn): Likewise.
7505         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
7506         connect_post_landing_pads, sjlj_mark_call_sites,
7507         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
7508         can_throw_internal, can_throw_external, set_nothrow_function_flags,
7509         convert_to_eh_region_ranges): Likewise.
7510         * explow.c (optimize_save_area_alloca): Likewise.
7511         * expr.c (expand_expr_real): Likewise.
7512         * final.c (insn_current_reference_address, compute_alignments,
7513         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
7514         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
7515         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
7516         propagate_block_delete_insn, propagate_one_insn,
7517         init_propagate_block_info, propagate_block, libcall_dead_p,
7518         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
7519         Likewise.
7520         * function.c (instantiate_virtual_regs, reorder_blocks_1,
7521         expand_function_start, expand_function_end, contains,
7522         thread_prologue_and_epilogue_insns,
7523         reposition_prologue_and_epilogue_notes): Likewise.
7524         * gcse.c (constprop_register, bypass_conditional_jumps,
7525         insert_insn_end_bb, gcse_after_reload): Likewise.
7526         * genemit.c (gen_expand, gen_split): Likewise.
7527         * genpeep.c (gen_peephole, main): Likewise.
7528         * global.c (build_insn_chain): Likewise.
7529         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
7530         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
7531         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
7532         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
7533         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
7534         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
7535         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
7536         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
7537         dead_or_predicable): Likewise.
7538         * integrate.c (try_constants): Likewise.
7539         * jump.c (rebuild_jump_labels, cleanup_barriers,
7540         purge_line_number_notes, init_label_info, mark_all_labels,
7541         squeeze_notes, get_label_before, get_label_after,
7542         reversed_comparison_code_parts, simplejump_p, pc_set,
7543         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
7544         delete_barrier, delete_prior_computation, delete_computation,
7545         delete_related_insns, delete_for_peephole, redirect_jump):
7546         Likewise.
7547         * lcm.c (optimize_mode_switching): Likewise.
7548         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
7549         Likewise.
7550         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
7551         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
7552         * loop-iv.c (simplify_using_assignment): Likewise.
7553         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
7554         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
7555         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
7556         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
7557         check_insn_for_givs, check_final_value, update_giv_derive,
7558         basic_induction_var, product_cheap_p, check_dbra_loop,
7559         loop_insn_first_p, last_use_this_basic_block,
7560         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
7561         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
7562         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
7563         sms_schedule_by_order): Likewise.
7564         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
7565         * postreload.c (reload_cse_simplify_operands, reload_combine,
7566         reload_cse_move2add): Likewise.
7567         * predict.c (can_predict_insn_p, estimate_probability,
7568         expected_value_to_br_prob, process_note_predictions): Likewise.
7569         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
7570         * profile.c (branch_prob): Likewise.
7571         * ra-build.c (live_out_1, livethrough_conflicts_bb,
7572         detect_webs_set_in_cond_jump): Likewise.
7573         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
7574         ra_print_rtl_with_bb): Likewise.
7575         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
7576         * recog.c (next_insn_tests_no_inequality, find_single_use,
7577         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
7578         * reg-stack.c (next_flags_user, record_label_references,
7579         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
7580         compensate_edge, convert_regs_1): Likewise.
7581         * regclass.c (scan_one_insn): Likewise.
7582         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7583         regmove_optimize, fixup_match_1, single_set_for_csa,
7584         combine_stack_adjustments_for_block): Likewise.
7585         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
7586         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
7587         find_equiv_reg): Likewise.
7588         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
7589         reload_as_needed, emit_input_reload_insns, do_output_reload,
7590         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
7591         Likewise.
7592         * reorg.c (find_end_label, emit_delay_sequence,
7593         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
7594         get_jump_flags, rare_destination, mostly_true_jump,
7595         try_merge_delay_insns, redundant_insn, own_thread_p,
7596         fill_simple_delay_slots, fill_slots_from_thread,
7597         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
7598         dbr_schedule): Likewise.
7599         * resource.c (find_basic_block, next_insn_no_annul,
7600         find_dead_or_set_registers, mark_target_live_regs): Likewise.
7601         * rtl.h (RTX_PREV): Likewise.
7602         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
7603         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
7604         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
7605         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
7606         tablejump_p, computed_jump_p, insns_safe_to_move_p,
7607         find_first_parameter_load, can_hoist_insn_p): Likewise.
7608         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
7609         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
7610         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
7611         schedule_ebbs): Likewise.
7612         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
7613         is_conditionally_protected, can_schedule_ready_p,
7614         add_branch_dependences, debug_dependencies): Likewise.
7615         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
7616         Likewise.
7617         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
7618         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
7619         set_dominates_use, ujump_to_loop_cont): Likewise.
7620         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
7621         * varasm.c (output_constant_pool_1): Likewise.
7622
7623 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7624
7625         * tree-scalar-evolution.c: New file.
7626         * tree-scalar-evolution.h: New file.
7627         * tree-ssa-loop-niter.c: New file.
7628         * Makefile.in (SCEV_H): New.
7629         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
7630         * cfgloop.h (struct loop): Add bounds field.
7631         * tree-flow.h (struct tree_niter_desc): New type.
7632         (number_of_iterations_cond, number_of_iterations_exit,
7633         loop_niter_by_eval, find_loop_niter_by_eval,
7634         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
7635         free_numbers_of_iterations_estimates): Declare.
7636         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
7637         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
7638         * doc/invoke.texi (max-iterations-to-track): Document.
7639
7640 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
7641
7642         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
7643         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
7644         (MODE_AFTER): Add cast appropriately.
7645         * config/sh/sh.md (movdi splitter): Likewise.
7646         (casesi_worker_2): Add const qualifier appropriately.
7647         (eh_return): Remove unused variable.
7648         (insv): Initialize v;
7649
7650 2004-07-08  Richard Henderson  <rth@redhat.com>
7651
7652         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
7653         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7654         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
7655         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
7656         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
7657
7658         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
7659         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7660         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
7661         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
7662
7663         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
7664         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7665         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
7666         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
7667
7668         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
7669         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7670         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
7671         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
7672
7673         * config/i860/i860-protos.h (i860_va_arg): Remove.
7674         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7675         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
7676         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
7677
7678 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7679
7680         * system.h: Prototype getpagesize if missing.
7681         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
7682         * configure: Regenerate.
7683         * config.in: Regenerate.
7684
7685 2004-07-08  Richard Henderson  <rth@redhat.com>
7686
7687         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
7688         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7689         (fr30_gimplify_va_arg_expr): New.
7690         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
7691         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
7692
7693 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
7694
7695         PR target/16414
7696         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
7697         of asm_noperands result.
7698
7699 2004-07-08  Richard Henderson  <rth@redhat.com>
7700
7701         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
7702         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7703         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
7704         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
7705
7706 2004-07-08  Richard Henderson  <rth@redhat.com>
7707
7708         * builtins.c (ind_gimplify_va_arg_expr): New.
7709         * tree.h (ind_gimplify_va_arg_expr): Declare.
7710         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
7711
7712 2004-07-08  Jan Beulich  <jbeulich@novell.com>
7713
7714         * expmed.c (extract_bit_field): Correct condition to use vec_extract
7715         patterns also on vector elements other than the first one.
7716         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
7717         break statements.
7718
7719 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
7720
7721         * config/rs6000/darwin-ldouble.c: Correct reference
7722         to the Linnainmaa paper.
7723
7724 2004-07-08  Richard Henderson  <rth@redhat.com>
7725
7726         * config/arc/arc-protos.h (arc_va_arg): Remove.
7727         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7728         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
7729         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
7730
7731         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
7732         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
7733         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
7734         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
7735
7736 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7737
7738         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
7739
7740 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
7741
7742         * c-decl.c (static_ctors, static_dtors): Make static.
7743         (pop_file_scope): Call c_common_write_pch and
7744         cgraph_finalize_compilation_unit here.
7745         (build_cdtor): Moved here from c-objc-common.c; simplify.
7746         (c_write_global_declarations_1): Clarify comment.
7747         (c_write_global_declarations): Close the external scope before
7748         doing anything else.  Call build_cdtor, cgraph_optimize, and
7749         mudflap_finish_file here.
7750         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
7751         Clarify comment.
7752         * c-objc-common.c: No need to include cgraph.h.
7753         (build_cdtor): Moved to c-decl.c.
7754         (c_objc_common_finish_file): Delete.
7755         * c-tree.h: Update to match.
7756         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
7757         (generate_static_references): Set TREE_USED before calling finish_decl.
7758         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
7759         on the static_instances_decl.
7760
7761 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
7762
7763         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
7764         decls when there is only one input translation unit.
7765         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
7766         change of 2004-07-05; do not treat declarations with
7767         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
7768         * opts.c (cur_in_fname): Delete.
7769         * opts.h: Likewise.
7770         * tree.c: Revert changes of 2004-07-05; no special treatment
7771         for TRANSLATION_UNIT_DECLs.
7772         * Makefile.in (tree.o): Update dependencies.
7773
7774 2004-07-08  Roger Sayle  <roger@eyesopen.com>
7775
7776         * builtins.c (fold_builtin_strcpy): Merge functionality from
7777         simplify_builtin_strcpy.  Add additional len argument.  No longer
7778         static.  Remove function prototype.
7779         (fold_builtin_strncpy): Likewise integrate functionality from
7780         simplify_builtin_strncpy.  Add additional slen argument.  No
7781         longer static.  Remove function prototype.
7782         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
7783         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
7784         types of "ignore" and "unlocked" parameters to bool.
7785         (fold_builtin_1):  Add additional ignore argument.  Call renamed
7786         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
7787         builtins.  Update arguments to fold_builtin_strncpy and
7788         fold_builtin_strcpy.  Add function prototype.
7789         (fold_builtin): Add additional Boolean ignore argument to pass
7790         to fold_builtin_1.
7791         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
7792         and fold_builtin_strncpy instead of simplify_builtin_fputs,
7793         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
7794
7795         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
7796         simplify_builtin_strncpy): Delete function prototypes.
7797         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
7798         fold_builtin_strncpy): Add function prototypes here.
7799         (fold_builtin): Update function prototype with new "bool ignore".
7800
7801         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
7802         (ccp_fold_builtin):  Update call to fold_builtin.  Call
7803         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
7804         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
7805         simplify_builtin_strncpy respectively.
7806         * fold-const.c (fold): Update call to fold_builtin.
7807
7808 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
7809
7810         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
7811         to strcpy.
7812
7813         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
7814         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
7815         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
7816         * calls.c: Remove ifdefs of macros above.
7817         * functions.c: Likewise.
7818         * expr.c: Likewise.
7819
7820 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7821
7822         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
7823         (arch attribute): Delete.
7824         (current_function_calls_alloca attribute): Rename into calls_alloca.
7825         (calls_eh_return): New attribute.
7826         (leaf_function): Likewise.
7827         (length attribute): Fix formula for sibcalls.
7828         (return insn): Correctly compute the 'length' attribute.
7829         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
7830
7831 2004-07-08  Richard Henderson  <rth@redhat.com>
7832
7833         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
7834         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
7835         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
7836         * tree-eh.c (lower_eh_constructs_1): Likewise.
7837         * tree-sra.c (sra_walk_modify_expr): Likewise.
7838         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
7839         (eliminate_unnecessary_stmts): Likewise.
7840         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7841         * tree-tailcall.c (optimize_tail_call): Likewise.
7842         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
7843
7844 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7845             Jakub Jelinek  <jakub@redhat.com>
7846
7847         * config/i386/i386.c (override_options): Enable
7848         SSE prefetches with -mtune, as long as we are
7849         compiling for i686 or higher.  All i686 processors
7850         accept SSE prefetches as NOPS, some i586's don't.
7851
7852 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7853
7854         PR target/10567
7855         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
7856
7857 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
7858
7859         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
7860         the handling of clobbering ASM_EXPRs.
7861
7862 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7863
7864         PR target/16430
7865         * config/sparc/sparc.c (function_value): In 64-bit mode,
7866         return the aggregates larger than 16 bytes like unions.
7867
7868 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7869
7870         PR target/16199
7871         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
7872         'temp' is zero, generate new pseudos as needed and emit the
7873         sequence of insns in single-assignment form.  Resync comments
7874         with code.
7875         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
7876         function before reload.
7877
7878 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
7879
7880         * vec.c (vec_assert_fail): Remove duplicate 'function'.
7881
7882         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
7883
7884         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
7885         Allocation is signed.
7886         (VEC_reserve): Return flag, allocation is signed.
7887
7888 2004-07-08  Richard Henderson  <rth@redhat.com>
7889
7890         * tree-ssa-ccp.c (fold_stmt): Get type directly from
7891         OBJ_TYPE_REF_OBJECT.
7892
7893 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
7894             Neil Booth  <neil@daikokuya.co.uk>
7895
7896         PR c/2511
7897         PR c/3325
7898         * c-decl.c (finish_struct): Ensure bit-fields are given the
7899         correct type.
7900         * c-common.c (c_common_signed_or_unsigned_type): For C, require
7901         the precision to match as well as the mode.
7902         * expr.c (reduce_to_bit_field_precision): New function.
7903         (expand_expr_real_1): Reduce expressions of bit-field type to
7904         proper precision.
7905         * langhooks.h (reduce_bit_field_operations): New hook.
7906         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
7907         Define.
7908         * c-lang.c, objc/objc-lang.c
7909         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
7910         * objc/objc-act.c (check_ivars): Convert types to bit-field types
7911         before checking.
7912         * tree.c (build_nonstandard_integer_type): New function.
7913         * tree.h (build_nonstandard_integer_type): New prototype.
7914         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
7915         conversions between integer and boolean types as useless.
7916
7917 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7918
7919         * c-common.c (c_common_nodes_and_builtins): Do not
7920         create __builtin_ptrdiff_t and __builtin_size_t.
7921
7922 2004-07-08  Andrew Pinski  <apinski@apple.com>
7923
7924         * Makefile.in (libbackend.o): Add -combine to the gcc
7925         command line.
7926
7927 2004-07-08  Nick Clifton  <nickc@redhat.com>
7928
7929         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
7930         Set to -Os.
7931
7932 2004-07-08  Richard Henderson  <rth@redhat.com>
7933
7934         * except.c (expand_eh_region_start, expand_eh_region_end,
7935         expand_eh_handler, expand_eh_region_end_cleanup,
7936         expand_start_all_catch, expand_start_catch, expand_end_catch,
7937         expand_end_all_catch, expand_eh_region_end_allowed,
7938         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
7939         expand_eh_region_end_fixup): Remove.
7940         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
7941         cleanups, outer_cleanups, label_chain, exception_region.
7942         (struct goto_fixup): Remove stack_level, cleanup_list_list.
7943         (struct label_chain): Remove.
7944         (struct stmt_status): Remove x_stack_block_stack.
7945         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
7946         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
7947         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
7948         end_cleanup_deferral, last_cleanup_this_contour,
7949         containing_blocks_have_cleanups_or_stack_level,
7950         any_pending_cleanups): Remove.
7951         (expand_null_return_1): Take no arguments.
7952         (expand_label, expand_naked_return, expand_return,
7953         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
7954         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
7955         expand_end_case_type): Don't use any of them.
7956         * calls.c (expand_call): Likewise.
7957         * dojump.c (do_jump): Likewise.
7958         * function.c (expand_function_end): Likewise.
7959         * expr.c (store_expr, expand_expr_real_1): Likewise.
7960         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
7961         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
7962         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
7963         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
7964         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
7965         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
7966         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
7967         for WITH_CLEANUP_EXPR.
7968         (gimple_push_cleanup): Likewise.
7969         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
7970         * print-tree.c (print_node): Likewise.
7971         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
7972         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
7973         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
7974         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
7975         (GOTO_SUBROUTINE_EXPR): Remove.
7976         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
7977         (DECL_TOO_LATE): Remove.
7978         * except.h, tree.h: Update decls.
7979
7980 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
7981
7982         * explow.c (optimize_save_area_alloca): Do not accept parameters.
7983         * passes.c (rest_of_handle_final): Handle symout.
7984         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
7985         Push timevar here.
7986         (rest_of_handle_sched): Break out SMS.  Remove ifs for
7987         flag_schedule_insns and flag_modulo_sched.
7988         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
7989         collect at the end.
7990         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
7991         (rest_of_handle_partition_blocks, rest_of_handle_sms,
7992         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
7993         rest_of_handle_mode_switching, rest_of_handle_jump,
7994         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
7995         rest_of_handle_jump2, rest_of_handle_postreload,
7996         rest_of_handle_flow2, rest_of_clean_state,
7997         rest_of_handle_shorten_branches,
7998         rest_of_handle_prologue_epilogue,
7999         rest_of_handle_branch_target_load_optimize): New.
8000         (rest_of_compilation): Call the above.  Remove ggc_collect
8001         calls moved to rest_of_handle_*.
8002         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
8003
8004         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
8005         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
8006         * except.h (set_nothrow_function_flags): Update comment.
8007         * function.c (current_function_nothrow): Remove.
8008         * output.h (current_function_nothrow): Remove.
8009         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
8010         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
8011
8012 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8013
8014         PR bootstrap/16326
8015         * reorg.c: Revert 2004-06-30 change.
8016         (find_end_label): If HAVE_epilogue and !HAVE_return,
8017         return 0 instead of creating a label at the end of the insn chain.
8018         (optimize_skip): Account for the failure mode of find_end_label.
8019         (fill_simple_delay_slots): Likewise.
8020         (fill_slots_from_thread): Likewise.
8021         (relax_delay_slots): Likewise.
8022
8023 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8024
8025         * tree-flow.h (addressable_vars): Declare.
8026         * tree-ssa-alias.c (addressable_vars): Define.
8027         (setup_pointers_and_addressables): Add addressable variables
8028         to addressable_vars.
8029         * tree-ssa-operands.c (get_stmt_operands): Move
8030         handling of ASM_EXPRs ...
8031         (get_asm_expr_operands): ... here.
8032         When the ASM_EXPR clobbers memory, also clobber addressable
8033         variables.
8034         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
8035         (delete_tree_ssa): Reset addressable_vars.
8036
8037 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8038             Richard Henderson  <rth@redhat.com>
8039
8040         * varasm.c (assemble_variable): Use assemble_zeros for
8041         zero-initialized variables.
8042         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
8043         for SECCAT_BSS and SECCAT_TBSS.
8044
8045 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8046
8047         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
8048
8049         * expmed.c (emit_store_flag): Also special-case double-word
8050         (in-)equality comparison against -1.
8051
8052         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
8053         passing arguments the containers for which are registers.
8054
8055         * calls.c (emit_library_call_value_1): Use mode of function parameter
8056         rather than that of argument since constants have none.
8057
8058 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8059
8060         Introduce H8SX support.
8061         * expr.c (expand_strcpy): Renamed and moved to...
8062         * builtins.c (expand_movstr): ... here.  Tweak.
8063         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
8064         computed or has side effects.
8065         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
8066         unused, or if mempcpy fails.  Adjust the return value in the
8067         latter case.  Use movstr if everything else fails.
8068         * doc/md.texi (movstr): Document.
8069         (movmemM, clrmemM): Fix explanation of memory block operands.
8070         * config/h8300/h8300.md (stpcpy): Renamed to...
8071         (movstr): ... this.  Adjust.
8072         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8073         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
8074         movmem* and clrstr* to clrmem*.
8075         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
8076         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
8077         GENERAL_REGS, always.
8078         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
8079         getting the stack pointer as addr.
8080         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
8081         from general_operand_dst.
8082         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
8083         variant of...
8084         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
8085         instead of requiring it to match only before reload.
8086         (stpcpy_internal_normal): New, normal-mode variant of...
8087         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
8088         `D' instead of requiring it to match only before reload.
8089         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
8090         mode argument.
8091         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
8092         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
8093         h8300_get_index.
8094         * config/h8300/h8300.md (attr type): Add call.
8095         (attr can_delay): If type is call, set it no.
8096         (call, call_value): Set type to call.
8097         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
8098         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
8099         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
8100         * tree.c (get_narrower): Don't narrow integral types into
8101         non-integral types.
8102         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
8103         frame_size *before* the first use.
8104         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
8105         on input.
8106         (peephole2): Don't widen instructions that push SP.  Move
8107         decrement of SP to the end of all stm-generating peepholes.
8108         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8109         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
8110         and OR to set it to all ones.
8111         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8112         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
8113         (call, call_value): Set can_delay to "no".
8114         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
8115         * config/h8300/h8300.md (extzv): Make subreg check more robust.
8116         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8117         * config/h8300/h8300.md (*brabit): Remove.
8118         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
8119         zero_extract.  Use bit_memory_operand as the predicate for
8120         operand 1 and 'WU' as the constraint.  Check the difference
8121         between the base length and the final one when deciding which
8122         type of branch to use.
8123         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8124         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
8125         Use convert_move to extend the result for TARGET_H8300SX.  Check
8126         for QImode memory references.  Optimize the case where the
8127         destination is a paradoxical subreg.
8128         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8129         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
8130         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
8131         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8132         * config/h8300/h8300.md: Include mova.md
8133         (length_table): Add mova and mova_zero.
8134         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
8135         after all constant addresses for '%R', '%X', '%T' and '%S'.
8136         (h8300_mova_length): New function.
8137         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
8138         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
8139         dependencies for s-config, etc.
8140         * config/h8300/gemova.sh: New file.
8141         * config/h8300/mova.md: Generated.
8142         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
8143         * config/h8300/h8300.c (h8300_bitfield_length): New.
8144         (nibble_operand): Adjust.
8145         (h8300_binary_length): Handle conditional binary op.
8146         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
8147         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
8148         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
8149         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
8150         constraints.  WU is introduced as a variant of U that requires a
8151         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
8152         * config/h8300/h8300.md (attr type): Added bitbranch.
8153         (attr length_table): Added bitfield and bitbranch.
8154         (attr length): Compute bitbranch length.
8155         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
8156         least-significant bit of a byte.
8157         (brabit, brabc, brabs): New.
8158         (insv, extzv): Emit bfst and bfld on H8300SX.
8159         (bfld, bfst, seq, sne): New.
8160         (bstzhireg, cmpstz, bstz, bistz): New.
8161         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
8162         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
8163         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
8164         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
8165         (h8sx_unary_memory_operator): New function.
8166         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
8167         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
8168         * config/h8300/h8300.md: Add peepholes to combine reloads and
8169         arithmetic insns.
8170         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
8171         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
8172         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
8173         (and?i, ior?i, xor?i): Likewise.
8174         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
8175         * config/h8300/h8300.c: Move enums and prototypes to head of file.
8176         Various whitespace fixes.
8177         (h8300_constant_length): New function, split out from...
8178         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
8179         (h8300_classify_operand): Use IN_RANGE.
8180         (h8300_classify_operand): Use h8300_constant_length.
8181         (h8300_short_move_mem_p): Tighten size check.
8182         (h8sx_mergeable_memrefs_p): Tighten equality check.
8183         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
8184         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
8185         for -msx.
8186         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
8187         * config/h8300/crtn.asm: Likewise.
8188         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
8189         if __H8300SX__ is defined.
8190         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
8191         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
8192         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
8193         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
8194         addresses as mode-dependent.
8195         * config/h8300/h8300.c (print_operand_address): Update call to
8196         h8300_get_index.
8197         (h8300_get_index): Take a mode argument.  Rework to fix an
8198         earlier misunderstanding.
8199         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
8200         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
8201         into a register if TARGET_H8300SX.
8202         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
8203         TARGET_H8300SX.  Also disable related define_splits.
8204         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
8205         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
8206         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
8207         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
8208         * config/h8300/h8300.h (OK_FOR_Z): New macro.
8209         (EXTRA_CONSTRAINT_STR): Check it.
8210         * config/h8300/h8300.c (h8300_classify_operand): Accept null
8211         class arguments.
8212         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
8213         * config/h8300/h8300.md (length_table): Add mov_imm4.
8214         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
8215         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
8216         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
8217         be a label.
8218         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
8219         * config/h8300/h8300.c (h8300_reorg): New function.
8220         (TARGET_MACHINE_DEPENDENT_REORG): Define.
8221         * config/h8300/h8300.md (length): Subtract the length of the
8222         delay slot from (pc) when checking the range of forward branches.
8223         (delay_slot, can_delay): New attributes.
8224         (define_delay): Add bra/s handling.
8225         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
8226         (jump): Add delayed-branch handling.
8227         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
8228         * expr.c (expand_strcpy): New function.
8229         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
8230         (expand_builtin_stpcpy): Likewise.
8231         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
8232         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
8233         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
8234         handling to improve register allocation for -fno-omit-frame-pointer.
8235         (h8sx_split_movmd): Delete, moving er6 handling into...
8236         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
8237         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
8238         (movmd): Add calls to copy_rtx.
8239         (movmd_internal): In the second alternative, allow the initial and
8240         final destination registers to be different .  Update the splitter
8241         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
8242         instead of h8sx_split_movmd.
8243         (stpcpy, movsd): New expanders.
8244         (movsd_internal): New define_insn.
8245         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
8246         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
8247         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
8248         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
8249         and DESTINATION_REGS.
8250         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
8251         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
8252         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
8253         (h8300_move_ratio): Declare.
8254         (MOVE_RATIO): Use it.
8255         * config/h8300/h8300.c (h8300_move_ratio): New variable.
8256         (h8300_init_once): Initialize it.
8257         (h8300_reg_class_from_letter): New function.
8258         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
8259         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
8260         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
8261         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
8262         (movstrsi, movmd): New expanders.
8263         (movmd_internal): New insn.
8264         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
8265         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
8266         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
8267         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
8268         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
8269         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
8270         * config/h8300/h8300.c (nibble_operand): Fix warning.
8271         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
8272         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
8273         (movsf_h8300h): Disable for TARGET_H8300SX.
8274         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
8275         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
8276         h8300_stm_parallel and h8300_return_parallel.
8277         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
8278         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
8279         h8300_stm_parallel, h8300_return_parallel): New functions.
8280         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
8281         if TARGET_H8300SX.  Use h8300_push_pop.
8282         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
8283         and final pop when generating h8sx code.  Always emit some form
8284         of return insn.
8285         * config/h8300/h8300.md: Don't enforce register alignment in
8286         stm peepholes if TARGET_H8300SX.
8287         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
8288         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
8289         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
8290         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
8291         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
8292         (MULTILIB_DIRNAMES): Add a directory for it.
8293         (MULTILIB_MATCHES): Delete.
8294         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
8295         * final.c (walk_alter_subreg): Handle addresses with subregs
8296         inside a ZERO_EXTEND or AND.
8297         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
8298         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
8299         if TARGET_H8300SX.
8300         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
8301         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
8302         @(dd,Rn.w) and @(dd,ERn.L).
8303         (h8300_displacement_size): Take the whole address as argument.
8304         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
8305         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
8306         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
8307         (h8sx_mergeable_memrefs_p): Declare.
8308         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
8309         (HAVE_PRE_INCREMENT): Likewise.
8310         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
8311         addresses for TARGET_H8300SX,
8312         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
8313         and POST_DEC.
8314         (movb_length_table, movl_length_table): New tables.
8315         (movw_length_table): Define to movb_length_table.
8316         (h8300_displacement_size): New, split out from...
8317         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
8318         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
8319         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
8320         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
8321         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
8322         (compute_plussi_length, compute_plussi_cc): Update accordingly.
8323         (h8sx_unary_shift_operator): Get the mode from the operator.
8324         (binary_shift_operator): Likewise.
8325         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
8326         a memory reference, check whether the reference is offsettable.
8327         (length_table): Add movb, movw and movl.
8328         (movqi): Add new h8sx pattern.  Don't force one operand to be a
8329         register when generating h8sx code.
8330         (movhi, movsi, movsf): Likewise.
8331         (movstrictqi): Use the length_table attribute.
8332         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
8333         (addqi3): Split into a define_expand and define_insn.  Don't accept
8334         memory operands in the expander.  Use h8300_operands_match_p to
8335         check for matching operands in the define_insn.
8336         (subqi3, negqi2, one_cmplqi2): Likewise.
8337         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
8338         in any patterns that are unused in h8sx code.  In the h8sx patterns,
8339         use h8300_operands_match_p to check whether operands match.
8340         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
8341         one_cmpl[hs]i3): Likewise.
8342         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
8343         in the expander.
8344         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
8345         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
8346         (h8300_insn_length_from_table): Add a second parameter.
8347         (output_h8sx_shift): Declare.
8348         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
8349         (EXTRA_CONSTRAINT): Replace with...
8350         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
8351         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
8352         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
8353         and h8sx_binary_shift_operator.
8354         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
8355         for TARGET_H8300SX.
8356         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
8357         (bit_memory_operand, fix_bit_operand): Likewise.
8358         (h8300_length_table_for_insn): Remove.
8359         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
8360         instructions.
8361         (h8300_short_immediate_length, h8300_binary_length): New functions.
8362         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
8363         (output_plussi): Use sub to add negative constants.
8364         (compute_plussi_length): Adjust accordingly.
8365         (h8sx_single_shift_type): New enum.
8366         (h8sx_single_shift, h8sx_unary_shift_operator,
8367         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
8368         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
8369         single h8sx instruction.  Return false in this case.
8370         * config/h8300/h8300.md (length_table): Add short_immediate.
8371         (length): Pass the operand array to h8300_insn_length_from_table.
8372         (adjust_length): Assume "no" for insns with a length_table attribute.
8373         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
8374         (*addhi3_h8300hs): Don't use for h8sx.
8375         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
8376         and sub.w #xx:3.
8377         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
8378         1's predicate to nonimmediate_operand.  Only skip default expansion
8379         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
8380         for single h8sx shift instructions.
8381         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
8382         * config/h8300/h8300.c (nibble_operand): Split out of...
8383         (reg_or_nibble_operand): ... this.
8384         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
8385         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
8386         umulhisi3): Introduce expand, and introduce separate insns for
8387         sign- or zero-extended REG and already-extended CONST_INT.
8388         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
8389         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
8390         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
8391         (subhi3): Likewise.  Don't accept immediates for operand 1.
8392         Remove the early clobber from second alternative of the h8300s pattern.
8393         (subsi3): Generalize for h8sx.  Force operand 2 into a register
8394         on plain h8300 targets.
8395         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
8396         (subsi3_h8300h): Generalize for h8sx.
8397         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
8398         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
8399         * config/h8300/h8300.c (reg_or_nibble_operand): New.
8400         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
8401         (TARGET_H8300SXMUL): New.
8402         (CONST_OK_FOR_P): New.
8403         (CONST_OK_FOR_LETTER_P): Adjust.
8404         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
8405         umulhisi3): Accept 4-bit immediate on H8SX.
8406         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
8407         (udivsi3, divhi3, udivsi3, divsi3): New.
8408         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
8409         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
8410         * config/h8300/h8300.h (OK_FOR_Q): New macro.
8411         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
8412         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
8413         Add ADDRESSOF to the bit_operand entry.
8414         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
8415         (h8300_src_operand): Likewise.
8416         (bit_operand): Check nonimmediate_operand rather than general_operand.
8417         Accept any nonimmediate_operand in h8sx code.
8418         (h8300_and_costs): Initialize operands[1].
8419         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
8420         (h8300_operand_class): New enum.
8421         (h8300_length_table): New typedef.
8422         (addb_length_table, addw_length_table, addl_length_table,
8423         logicl_length_table): New tables.
8424         (logicb_length_table, logicw_length_table): New macros.
8425         (h8300_classify_operand, h8300_length_from_table,
8426         h8300_length_table_for_insn, h8300_unary_length,
8427         h8300_insn_length_from_table): New functions.
8428         (output_plussi): Only use adds and subs for register destinations.
8429         Disable redundant clause.
8430         (compute_plussi_cc): Likewise.
8431         (compute_plussi_length): Likewise.  Use h8300_length_from_table
8432         to work out the length of an insn.
8433         (output_logical_op): Only use narrower immediate instructions
8434         if the destination is a register.
8435         (compute_logical_op_cc): Likewise.
8436         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
8437         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
8438         * config/h8300/h8300.md (length_table): New attribute.
8439         (length): When an instruction has a length_table attribute, use
8440         h8300_insn_length_from_table to calculate its default length.
8441         (cmpqi): Use h8300_dst_operand for the first operand and
8442         h8300_src_operand for the second.
8443         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
8444         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
8445         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
8446         iorsi3, xorhi3, xorsi3): Likewise.
8447         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
8448         so that it allows any combination of operands for TARGET_H8300SX.
8449         (iorqi3, xorqi3): Likewise.
8450         (cmpqi): Use the length_table attribute.
8451         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
8452         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
8453         (cmpqi): Add 'Q' constraint.
8454         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
8455         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
8456         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
8457         * config/h8300/h8300.h (MASK_H8300SX): New macro.
8458         (TARGET_H8300S): True for both -ms and -msx.
8459         (TARGET_H8300SX): New macro.
8460         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
8461         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
8462         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
8463         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
8464         [Temporary change.]
8465         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
8466         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
8467         16-bit pointers and 32-bit ints.
8468         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
8469         CONST_DOUBLE with mode no wider than SImode.
8470         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
8471         output operand.
8472         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
8473         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
8474         or SUBREG thereof.
8475         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
8476         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
8477         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
8478
8479 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8480
8481         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
8482
8483 2004-07-07  Per Bothner  <per@bothner.com>
8484
8485         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
8486
8487 2004-07-07  Mike Stump  <mrs@apple.com>
8488
8489         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
8490         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
8491         (machopic_finish): Likewise.
8492
8493 2004-07-07  Richard Henderson  <rth@redhat.com>
8494
8495         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
8496         through any value-preserving cast.
8497
8498 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8499
8500         * function.c (assign_parm_find_data_types): Call
8501         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
8502
8503 2004-07-07  Steven Bosscher  <stevenb@suse.de>
8504
8505         * tree-cfg.c (group_case_labels): Remove case labels that have
8506         the same target as the default case.
8507
8508 2004-07-07  Steven Bosscher  <stevenb@suse.de>
8509
8510         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
8511         regardless of DECL_LANG_SPECIFIC being present or not.
8512         * tree.h (DECL_NUM_STMTS): Purge.
8513
8514 2004-07-07  Andrew Pinski  <apinski@apple.com>
8515
8516         * configure: Regenerate with the right autoconf.
8517
8518 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
8519
8520         * ifcvt.c (total_bb_rtx_cost): New function.
8521         (find_if_case_1): Compare rtx_cost of basic block to cost of
8522         BRANCH_COST insns.
8523         (find_if_case_2): Same.
8524
8525 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8526
8527         PR target/10567
8528         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
8529         (output_return): Likewise.
8530         (output_sibcall): Abort if !flag_delayed_branch.
8531         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
8532         (emit_and_preserve): New function.
8533         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
8534         indirect jump to the thunked-to function if !flag_delayed_branch.
8535         * config/sparc/sparc.md (delayed_branch): New attribute.
8536         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
8537         attribute to compute the length of the insn.
8538         (goto_handler_and_restore): Likewise.
8539
8540 2004-07-07  Andrew Pinski  <apinski@apple.com>
8541
8542         PR tree-optimization/15777
8543         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
8544
8545         * expr.c (expand_expr_real_1): Fix formating.
8546         BUFFER_REF and IN_EXPR are dead.
8547         * fold-const.c (non_lvalue): BUFFER_REF is dead.
8548         * tree-inline.c (estimate_num_insns_1): Likewise.
8549         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
8550         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
8551         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
8552
8553 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
8554
8555         * collect2.c (dump_file): Don't call cplus_demangle if
8556         HAVE_LD_DEMANGLE is defined.
8557         (main): Pass "--demangle" to ld if no_demangle is not 0 and
8558         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
8559         if HAVE_LD_DEMANGLE is defined.
8560
8561         * configure.ac (--with-demangler-in-ld): Added
8562         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
8563         --with-demangler-in-ld is used.
8564         * config.in: Regenerated.
8565         * configure: Likewise.
8566
8567 2004-07-07  Roger Sayle  <roger@eyesopen.com>
8568
8569         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
8570         for simple floating point operations "fp", double precision
8571         multiplication "dmul", and single and double precision division
8572         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
8573         (ppc630_cost): New table split from ppc620_cost, to distinguish
8574         differences in floating point latencies.
8575         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
8576         (rs6000_rtx_costs): Add support for single and double precision
8577         floating point addition, subtraction, multiplication, division,
8578         fused-multiply-add, fused-multiply-sub, negation, absolute value
8579         and negative absolute value.  Tweak MEM case to use prefered idiom.
8580
8581 2004-07-07  Richard Henderson  <rth@redhat.com>
8582
8583         * tree-flow-inline.h (may_propagate_copy): Move...
8584         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
8585         attempt to copy between types requiring conversion.
8586         * tree-flow.h (may_propagate_copy): Update decl.
8587         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
8588
8589 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
8590
8591         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
8592         from -mtune= option.
8593
8594 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8595
8596         * builtins.c: Rename movstr*, except for movstrict*, to
8597         movmem* and clrstr* to clrmem*.
8598         * expr.c: Likewise.
8599         * expr.h: Likewise.
8600         * genopinit.c: Likewise.
8601         * integrate.c: Likewise.
8602         * local-alloc.c: Likewise.
8603         * optabs.c: Likewise.
8604         * optabs.h: Likewise.
8605         * config/alpha/alpha.h: Likewise.
8606         * config/alpha/alpha.md: Likewise.
8607         * config/arm/arm-protos.h: Likewise.
8608         * config/arm/arm.c: Likewise.
8609         * config/arm/arm.md: Likewise.
8610         * config/avr/avr.md: Likewise.
8611         * config/c4x/c4x.c: Likewise.
8612         * config/c4x/c4x.md: Likewise.
8613         * config/frv/frv.md: Likewise.
8614         * config/i386/i386-protos.h: Likewise.
8615         * config/i386/i386.c: Likewise.
8616         * config/i386/i386.h: Likewise.
8617         * config/i386/i386.md: Likewise.
8618         * config/i860/i860.c: Likewise.
8619         * config/i860/i860.md: Likewise.
8620         * config/ip2k/ip2k.md: Likewise.
8621         * config/ip2k/libgcc.S: Likewise.
8622         * config/ip2k/t-ip2k: Likewise.
8623         * config/m32r/m32r.c: Likewise.
8624         * config/m32r/m32r.md: Likewise.
8625         * config/mcore/mcore.md: Likewise.
8626         * config/mips/mips.c: Likewise.
8627         * config/mips/mips.md: Likewise.
8628         * config/ns32k/ns32k.c: Likewise.
8629         * config/ns32k/ns32k.h: Likewise.
8630         * config/ns32k/ns32k.md: Likewise.
8631         * config/pa/pa.c: Likewise.
8632         * config/pa/pa.md: Likewise.
8633         * config/pdp11/pdp11.h: Likewise.
8634         * config/pdp11/pdp11.md: Likewise.
8635         * config/rs6000/rs6000.c: Likewise.
8636         * config/rs6000/rs6000.md: Likewise.
8637         * config/s390/s390-protos.h: Likewise.
8638         * config/s390/s390.c: Likewise.
8639         * config/s390/s390.md: Likewise.
8640         * config/sh/lib1funcs.asm: Likewise.
8641         * config/sh/sh.c: Likewise.
8642         * config/sh/sh.md: Likewise.
8643         * config/sh/t-sh: Likewise.
8644         * config/sparc/sparc.h: Likewise.
8645         * config/vax/vax.md: Likewise.
8646         * config/xtensa/xtensa.c: Likewise.
8647         * config/xtensa/xtensa.md: Likewise.
8648         * doc/invoke.texi: Likewise.
8649         * doc/md.texi: Likewise.
8650         * doc/rtl.texi: Likewise.
8651
8652 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
8653
8654         PR target/16407
8655         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
8656         * config/mips/mips.c (mips_declare_common_object): New function,
8657         mostly split out from...
8658         (mips_output_aligned_decl_common): ...here.
8659         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
8660         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
8661         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
8662         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
8663
8664 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8665
8666         PR c/16392
8667         * function.c (assign_parms): Fix typo from previous change.
8668
8669 2004-07-07  Jason Merrill  <jason@redhat.com>
8670
8671         PR c++/15815
8672         * doc/extend.texi (C++ Interface): Correct information and
8673         discourage use.
8674
8675 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
8676
8677         PR target/16130
8678         PR target/16142
8679         PR target/16143
8680         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
8681         insn.
8682
8683 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8684
8685         PR target/1679.
8686         * config/m32r/m32r.c (m32r_function_symbol): New function:
8687         Generate a symbol name RTX with the correct m32r specific flags
8688         set.
8689         (block_move_call): Use new function to generate correct symbol.
8690         * config/m32r/m32r-protos.h: Add prototype for new funcion.
8691         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
8692         function.
8693
8694 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
8695
8696         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
8697         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
8698         TYPE_BINFO_BASETYPE): Remove.
8699         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
8700         to ...
8701         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
8702         here.
8703         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
8704         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
8705         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
8706         (struct tree_binfo): Rename base_types to base_binfos.
8707         * alias.c (record_component_aliases): Adjust BINFO macros.
8708         * dbxout.c (dbxout_type): Likewise.
8709         * dwarf2out.c (gen_member_die): Likewise.
8710         * sdbout.c (sdbout_one_type): Likewise.
8711         * tree-dump.c (deque_and_dump): Likewise.
8712         * config/i386/i386.c (classify_argument,
8713         contains_128bit_aligned_vector_p): Likewise.
8714
8715 2004-07-07  Nick Clifton  <nickc@redhat.com>
8716
8717         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
8718         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
8719
8720 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
8721
8722         * vec.h: Fix the example use.
8723
8724 2004-07-06  Richard Henderson  <rth@redhat.com>
8725
8726         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
8727         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
8728         * tree-inline.c (copy_body_r, setup_one_parameter,
8729         initialize_inlined_parameters, expand_call_inline,
8730         declare_inline_vars): Don't check it.
8731         (expand_calls_inline): Remove old version, rename new version
8732         from gimple_expand_calls_inline.
8733         * tree-optimize.c (execute_gimple): Remove.
8734         (pass_gimple): Don't run anything.
8735
8736 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
8737
8738         * doc/sourcebuild.texi: Use semicolons instead of commas in
8739         section title.
8740
8741 2004-07-06  Richard Henderson  <rth@redhat.com>
8742
8743         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
8744         (sra_walk_modify_expr, scan_init): Likewise.
8745         (generate_element_zero): Check visited before scanning children.
8746         (generate_element_init): Set visited on error.
8747         (scalarize_init): Handle generate_element_init failure similar
8748         to use_block_copy.
8749
8750 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
8751
8752         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
8753         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
8754
8755 2004-07-06  Richard Henderson  <rth@redhat.com>
8756
8757         * config/i386/i386.c (legitimize_pic_address): Make static.
8758         (legitimize_address): Handle CONST with TLS operand.
8759         (ix86_expand_move): Don't call legitimize_pic_address directly.
8760         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
8761
8762 2004-07-06  Roger Sayle  <roger@eyesopen.com>
8763
8764         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
8765         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
8766         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
8767         is currently executed unconditionally, i.e. not in "else_bb".
8768
8769 2004-07-06  Steven Bosscher  <stevenb@suse.de>
8770
8771         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
8772         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8773         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
8774         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8775         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
8776         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8777         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
8778         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8779         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
8780         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8781         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
8782         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8783         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
8784         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8785         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
8786         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8787
8788 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
8789
8790         * dojump.c (do_jump): REFERENCE_EXPR is dead.
8791         * expr.c (expand_expr_real_1): Ditto.
8792         * tree-inline.c (estimate_num_insns_1): Ditto.
8793         * tree-pretty-print.c (dump_generic_node): Ditto.
8794         (op_symbol): Ditto.
8795         * tree.def: Ditto.
8796
8797 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
8798
8799         * tree-ssa-pre.c (reference_node_pool): New pool.
8800         (find_or_generate_expression): Class 'r' is okay too.
8801         (create_value_expr_from): Ditto.
8802         (add_to_sets): LHS should not include vuses.
8803         (eliminate): Ditto.
8804         (compute_avail): Reverse ordering of tests.
8805         Valuize INDIRECT_REF as well.
8806
8807 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
8808
8809         PR rtl-optimization/16380
8810         * loop.c (check_dbra_loop): Sink comparison instructions if they
8811         do something other than set cc0.
8812
8813 2004-07-06  James E Wilson  <wilson@specifixinc.com>
8814
8815         * doc/interface.texi (longjmp and automatic variables): Delete
8816         paragraph recommending taking the address of a variable.
8817
8818 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
8819
8820         * vec.h (VEC_embedded_alloc): Remove.
8821         (VEC_embedded_size, VEC_embedded_init): New.
8822         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
8823         MEM_STAT_INFO.
8824         (VEC_truncate): New.
8825         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
8826         (vec_embedded_alloc): Remove.
8827         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
8828         (vec_embedded_alloc): Remove.
8829
8830 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
8831
8832         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
8833         (gt-langhooks.h): Remove.
8834
8835 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
8836
8837         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
8838
8839 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8840
8841         * config/sparc/sparc.c (get_pc_symbol): Rename into
8842         add_pc_to_pic_symbol.
8843         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
8844         (load_pic_register): Account for previous changes.
8845         Use reg_names.  Don't create the label twice.
8846         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
8847         UNSPEC_LOAD_PCREL_SYM.
8848         (get_pc): Rename into load_pcrel_sym.  Add predicate to
8849         operands.  Remove condition.
8850
8851 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
8852
8853         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
8854         RECORD, UNION & QUAL_UNION is actually a binfo.
8855
8856         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
8857         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
8858         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
8859         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
8860         * dwarf2out.c (add_data_member_location_attribute): Likewise.
8861         (gen_inheritance_die): Likewise.
8862         * tree-dump.c (deque_and_dump): Likewise.
8863         * doc/c-tree.texi (Binfos): Add under reconstruction note.
8864
8865 2004-07-06  Steven Bosscher  <stevenb@suse.de>
8866
8867         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
8868         Define.
8869         * config/mcore/mcore.md: Model memory latency with a simple DFA
8870         pipeline description instead of a define_function_unit.
8871
8872 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8873
8874         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
8875         * langhooks.h (var_mod_type_p): Likewise.
8876         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
8877         * expr.c (count_type_elements): Properly handle return from
8878         array_type_nelts and properly test for overflow.
8879         * gimplify.c (gimplify_init_constructor): Properly handle return
8880         from array_type_nelts.
8881         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
8882         * integrate.c (copy_decl_for_inlining): Correct comments.
8883         * tree-inline.c (remap_decl): Update comments, remove dead code,
8884         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
8885         (remap_type): Only remap if variably modified by vars in function
8886         being inlined.
8887         (copy_body_r): Use compatible_type langhooks to see when can fold.
8888         (setup_one_parameter): Don't remap type.
8889         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
8890         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
8891         compute TREE_INVARIANT for decl case.
8892         (find_var_from_fn): New function.
8893         (variably_modified_type_p): Add arg and call new function.
8894         * tree.h (variably_modified_type_p): Add extra arg.
8895
8896 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8897
8898         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
8899         (goto_handler_and_restore_v9): Delete disabled insn.
8900         (goto_handler_and_restore_v9_sp64): Likewise.
8901
8902 2004-07-05  Roger Sayle  <roger@eyesopen.com>
8903
8904         * calls.c (load_register_parameters): Call expand_shift instead
8905         of expand_binop with ashl_optab (or other shift optab) directly.
8906         * expr.c (emit_group_load, emit_group_store): Likewise.
8907         * function.c (assign_parm_setup_block): Likewise.
8908         * stmt.c (shift_return_value): Likewise.
8909
8910 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
8911
8912         * expr.c (expand_assignment): Disable the bitfield += optimizations.
8913
8914 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8915
8916         * doc/sourcebuild.texi: Revert previous patch.
8917
8918 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8919
8920         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
8921         TARGET_MEM_FUNCTIONS.
8922         * system.h: Poison TARGET_MEM_FUNCTIONS.
8923         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
8924         bcmp_libfunc, bzero_libfunc): Remove.
8925         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
8926         bzero_libfunc.
8927         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
8928         * doc/standards.texi: Don't mention calling BSD string functions.
8929         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
8930         * config/vax/t-memfuncs: New.
8931         * config/memcmp.c, config/memcpy.c, config/memmove.c,
8932         config/memset.c: New.
8933         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
8934         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
8935         vax/t-memfuncs.
8936         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
8937         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
8938         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
8939         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
8940         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
8941         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
8942         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
8943         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
8944         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
8945         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
8946
8947 2004-07-05  Richard Henderson  <rth@redhat.com>
8948
8949         * function.c (assign_parm_setup_reg): Properly rename variables in
8950         FUNCTION_ARG_CALLEE_COPIES section.
8951
8952 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
8953
8954         * tree-mudflap.c: Include cgraph.h.
8955         (mf_init_extern_trees): Rename to mudflap_init.  Export.
8956         Rewrite to create synthetic declarations instead of looking
8957         up declarations from mf-runtime.h.
8958         (mf_make_builtin, mf_make_cache_struct_type): New functions.
8959         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
8960         Correct commentary.
8961         (execute_mudflap_function_decls, mudflap_register_call):
8962         Don't call mf_init_extern_trees.
8963         (mudflap_finish_file): Use cgraph_build_static_cdtor.
8964
8965         * tree-mudflap.h: Update prototypes.
8966         * c-mudflap.c: Delete file.
8967         * c-common.c: Include tree-mudflap.h.
8968         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
8969         * Makefile.in: Remove all references to c-mudflap.o.
8970         Update dependencies.
8971
8972 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8973
8974         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
8975         displacements with the spatial-locality cache-control completer.
8976
8977 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
8978
8979         * langhooks.c: Don't include gt-langhooks.h.
8980         (var_labelno): Delete.
8981         (lhd_set_decl_assembler_name): Do not append a distinguishing
8982         number to file-scope internal-linkage declarations for the first
8983         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
8984         the declaration itself (if at block scope), or its containing
8985         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
8986         number.
8987
8988         * opts.c (cur_in_fname): New global.
8989         * opts.h: Declare it.
8990         * tree.c: Include opts.h.
8991         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
8992         DECL_UID equal to cur_in_fname.
8993         (copy_node_stat): Do not change DECL_UID when copying a
8994         TRANSLATION_UNIT_DECL.
8995         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
8996         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
8997
8998         * c-decl.c (c_static_assembler_name): Delete.
8999         * c-tree.h (c_static_assembler_name): Delete prototype.
9000         * c-lang.c, objc/objc-lang.c: Don't override
9001         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
9002
9003         * Makefile.in (tree.o): Update dependencies.
9004         (GTFILES): Remove langhooks.c.
9005
9006 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9007
9008         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
9009         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
9010         Normalize "X % C" as "X % -C" for signed modulus and negative C.
9011         Optimize "X % -Y" as "X % Y" for signed modulus.
9012         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
9013         into "((unsigned) X % Y) == 0".
9014
9015 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9016
9017         * sourcebuild.texi (Config Fragments): Use @comma{} in
9018         cross-reference to section title.
9019
9020 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9021
9022         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
9023         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
9024         (gimplify_target_expr, gimplify_expr): Likewise.
9025         (copy_if_shared_r): No longer need special case for BIND_EXPR.
9026         (unshare_body, unvisit_body): Only look at nested if BODY_P is
9027         whole function.
9028         (gimplify_compound_lval): See if we can strip any useless conversion.
9029         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
9030         from RHS, not LHS.
9031         (gimplify_modify_expr_to_memset): Likewise.
9032         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
9033         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
9034         (declare_inline_vars): Likewise.
9035         (walk_type_fields): New function.
9036         (walk_tree): Use it.
9037         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
9038
9039         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
9040         (sra_walk_modify_expr): Allow init function to fail.
9041         (scan_init): Now returns bool.
9042         (generate_element_init): If can't understand INIT, return false.
9043         (scalarize_init): Return false if generate_element_init does.
9044
9045         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
9046         print bounds.
9047
9048         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
9049         bounds if bounds aren't constant.
9050
9051         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
9052
9053         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
9054         to type hooks; remove bogus PARAMS.
9055
9056 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
9057
9058         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
9059         * dwarf2out.c (add_data_member_location_attribute): Check for
9060         TREE_BINFO.
9061         * tree.c (tree_node_kinds): Add "binfos".
9062         (binfo_lang_slots): New.
9063         (make_node_stat): Add TREE_BINFO.
9064         (make_tree_binfo_stat): New.
9065         (tree_node_structure): Add TREE_BINFO.
9066         * tree.def (TREE_BINFO): New.
9067         * tree.h (REC_OR_UNION_CHECK): Rename to ...
9068         (RECORD_OR_UNION_CHECK): ... here.
9069         (NOT_RECORD_OR_UNION_CHECK): New.
9070         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
9071         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
9072         RECORD_OR_UNION_CHECK.
9073         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
9074         (TYPE_LANG_SLOT_1): New.
9075         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
9076         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
9077         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
9078         (BINFO_ELTS): Remove.
9079         (BINFO_LANG_SLOT): New.
9080         (struct tree_binfo): New.
9081         (binfo_lang_slots): Declare.
9082         (enum tree_node_structure_enum): Add TS_BINFO.
9083         (union tree_node): Add binfo.
9084         (make_tree_binfo_stat): Declare.
9085         (make_tree_binfo): New.
9086         (enum tree_node_kind): Add binfo_kind.
9087
9088         * objc/objc-act.c (start_class, objc_declare_protocols,
9089         start_protocols): Use TYPE_LANG_SLOT_1.
9090         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
9091         to ...
9092         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
9093         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
9094         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
9095         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
9096
9097 2004-07-05  Steven Bosscher  <stevenb@suse.de>
9098
9099         * rtl.h (struct rtx_def): Remove the integrated flag.
9100         Use the return_val flag for MEM_SCALAR_P.
9101         Reshuffle and update flags in CLEAR_RTX_FLAGS.
9102
9103 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
9104
9105         PR target/16357
9106         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
9107         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
9108         move_by_pieces.
9109
9110 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
9111
9112         * var-tracking.c: Fix some comments.
9113         (frame_stack_adjust): New.
9114         (vt_stack_adjustments): Init stack_adjust of entry block to
9115         minus stack adjustment of function prologue.
9116         (adjust_stack_reference): Do not adjust if adjustment == 0.
9117         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
9118         (emit_notes_in_bb): Likewise.
9119         (vt_add_function_parameters): Do not adjust locations of
9120         function arguments.
9121         (vt_initialize): Compute the stack adjustment of function
9122         prologue and offset the initial "location" of frame_base_decl
9123         from the stack pointer after prologue.
9124
9125 2004-07-04  Richard Henderson  <rth@redhat.com>
9126
9127         * function.c (struct assign_parm_data_all): New.
9128         (struct assign_parm_data_one): New.
9129         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
9130         assign_parm_find_data_types, assign_parms_setup_varargs,
9131         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
9132         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
9133         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
9134         assign_parm_setup_block, assign_parm_setup_reg,
9135         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
9136         (assign_parms): ... here.
9137
9138 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
9139
9140         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
9141         now are bitmap_set_t's.
9142         (bitmap_insert_into_set): No point in inserting the value if
9143         it's invariant.
9144         (bitmap_set_contains): New function.
9145         (bitmap_set_replace_value): Add comment on why we do it
9146         this way.
9147         (set_contains): Removed.
9148         (bitmap_set_subtract_from_value_set): New name of
9149         set_subtract now that it's arguments are two different
9150         types of sets.
9151         Update callers.
9152         (bitmap_find_leader): Change algorithm used.
9153         (find_or_generate_expression): Update use of functions for new
9154         bitmap sets.
9155         (create_expression_by_pieces): Ditto.
9156         (insert_aux): Ditto.
9157         (insert): Ditto.
9158         (add_to_sets): Ditto.
9159         (init_pre): Ditto.
9160         (execute_pre): Ditto.
9161         (compute_avail): Ditto.
9162         Also ignore virtual phis.
9163
9164 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
9165
9166         * combine.c (simplify_comparison): Fix comment typo.
9167
9168 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9169
9170         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
9171         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
9172         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
9173         (output_restore): Change parameter from 'insn' to 'pat'.
9174         (output_return): Adjust call to output_restore.
9175         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
9176         Adjust call to output_restore.
9177
9178 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
9179
9180         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
9181         and assert system is bsd.
9182
9183 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
9184
9185         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
9186         (TARGET_SWITCHES): Remove -mdebugc.
9187         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
9188         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
9189         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
9190         (sle_[sd]i_reg): Delete.
9191
9192 2004-07-04  Steven Bosscher  <stevenb@suse.de>
9193
9194         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
9195         Define.
9196         * config/iq2000/iq2000.md: Translate old pipeline description to an
9197         equivalent new one.
9198
9199 2004-07-04  Roger Sayle  <roger@eyesopen.com>
9200
9201         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
9202         Ensure the replacement rhs is valid gimple before performing
9203         the substitution.  Return false if these sanity checks fail.
9204         (fold_stmt): Only set changed to true, if set_rhs returns true.
9205         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
9206         succeeds.
9207
9208 2004-07-04  Richard Henderson  <rth@redhat.com>
9209
9210         PR c/16348
9211         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
9212
9213 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
9214
9215         * configure.ac (ranlib_flags): New variable.
9216         * Makefile.in (RANLIB_FLAGS): New variable.
9217         (libbackend.a): Use it.
9218         * configure: Regenerated.
9219
9220 2004-07-04  Roger Sayle  <roger@eyesopen.com>
9221
9222         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
9223         a "sign mask" instead of using ashr_optab directly.
9224
9225 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
9226
9227         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
9228         * doc/cppopts.texi: Clarify processing of command-line defines.
9229
9230 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
9231
9232         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
9233
9234 2004-07-04  Richard Henderson  <rth@redhat.com>
9235
9236         * rtl.def (ADDRESSOF): Remove.
9237         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
9238         (find_base_term, memrefs_conflict_p): Likewise.
9239         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
9240         (fold_rtx, cse_insn, set_live_p): Likewise.
9241         * dwarf2out.c (mem_loc_descriptor): Likewise.
9242         (add_location_or_const_value_attribute): Likewise.
9243         * emit-rtl.c (copy_insn_1): Likewise.
9244         * explow.c (memory_address): Likewise.
9245         * expmed.c (store_split_bit_field): Likewise.
9246         * expr.c (expand_expr_real_1): Likewise.
9247         * function.c (instantiate_decl
9248         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
9249         * genrecog.c (preds, validate_pattern): Likewise.
9250         * integrate.c (copy_rtx_and_substitute): Likewise.
9251         * recog.c (general_operand, register_operand): Likewise.
9252         (memory_address_p): Likwise.
9253         * reload1.c (eliminate_regs, elimination_effects): Likewise.
9254         * rtl.c (copy_rtx): Likewise.
9255         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
9256         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
9257         * rtlhooks.c (gen_lowpart_general): Likewise.
9258         * stmt.c (expand_asm_operands): Likewise.
9259         * web.c (entry_register, replace_ref, web_main): Likewise.
9260         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
9261         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9262         * config/arm/arm.c (thumb_rtx_costs): Likewise.
9263         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
9264         * config/frv/frv.c (move_destination_operand, move_source_operand,
9265         condexec_dest_operand, condexec_source_operand,
9266         condexec_memory_operand): Likewise.
9267         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
9268         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
9269         (destination_xfmode_operand): Likewise.
9270         * config/mips/mips.h (PREDICATE_CODES): Likewise.
9271         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
9272         * config/s390/s390.c (general_s_operand): Likewise.
9273         * config/s390/s390.md (mov*): Likewise.
9274         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
9275
9276         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
9277         * expr.c (expand_expr_real_1): Likewise.
9278         * stmt.c (expand_decl): Likewise.
9279         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9280
9281         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
9282         postponed_insns, put_var_into_stack, put_reg_into_stack,
9283         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
9284         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
9285         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
9286         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
9287         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
9288         purge_bitfield_addressof_replacements, purge_addressof_replacements,
9289         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
9290         struct insns_for_mem_walk_info, insns_for_mem_walk,
9291         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
9292         setjmp_protect_args): Remove.
9293         (push_function_context_to): Don't handle var_refs_queue.
9294         (pop_function_context_from, free_after_compilation): Likewise.
9295         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
9296         (assign_parms, allocate_struct_function): Likewise.
9297         (use_register_for_decl): New.
9298         (expand_function_end): Don't setjmp_protect.
9299         * function.h (struct emit_status): Update commentary.
9300         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
9301         (max_parm_reg, parm_reg_stack_loc): Remove.
9302         * passes.c (DFI_addressof): Remove.
9303         (dump_file_info): Remove addressof.
9304         (rest_of_handle_addressof): Remove.
9305         (rest_of_compilation): Don't call it.
9306         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
9307         * stmt.c (expand_decl): Use use_register_for_decl.
9308         * tree.h: Update decls.
9309         * web.c (mark_addressof): Remove.
9310         * doc/invoke.texi (-dF): Remove.
9311
9312 2004-07-03  Richard Henderson  <rth@redhat.com>
9313
9314         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
9315         instead of gen_mem_addressof.
9316         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
9317         TImode output register.
9318
9319 2004-07-03  Richard Henderson  <rth@redhat.com>
9320
9321         PR tree-optimization/16341
9322         * tree-sra.c (sra_walk_function): Increment to next stmt before
9323         processing the current stmt.
9324         (sra_insert_after): Always use BSI_SAME_STMT.
9325
9326 2004-07-03  Richard Henderson  <rth@redhat.com>
9327
9328         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
9329         fp plus with minus.
9330
9331 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
9332
9333         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
9334         with tree_int_cst_equal.
9335
9336 2004-07-03  Andreas Schwab  <schwab@suse.de>
9337
9338         * config/ia64/ia64.md: Define new attribute "empty".
9339         (prologue_use, nop_x, insn_group_barrier): Set it.
9340
9341         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
9342         skip over "empty" insns.
9343
9344 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9345
9346         * tree-inline.c (initialize_inlined_parameters): Pass proper function
9347         context to gimplify_body.
9348         (walk_tree): Don't walk into types twice.
9349         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
9350
9351         * tree-sra.c (generate_element_init): Remove any useless conversions.
9352
9353         * gimplify.c (gimplify_conversion): Remove stripping useless
9354         conversions from here.
9355         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
9356         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
9357         Unshare before substituting PLACEHOLDER_EXPR.
9358         (gimplify_modify_expr_to_memset): Likewise.
9359         Pass address of TO to memset, not TO itself.
9360         (gimplify_init_constructor): Make copy of OBJECT so we have it each
9361         time we make an expression (to match a PLACEHOLDER_EXPR).
9362
9363         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
9364         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
9365         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
9366         * tree-ssa-dom.c (local_fold): Likewise.
9367
9368         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
9369         * langhooks.h (strct lang_hooks): New field type_max_size.
9370         * function.c (assign_temp): Call it.
9371
9372 2004-07-03  Steven Bosscher  <stevenb@suse.de>
9373
9374         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
9375         * config/sh/sh.md: Convert the SH1 pipeline description to
9376         a DFA model.
9377
9378 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
9379
9380         * c-decl.c (struct c_binding): Remove contour field; add
9381         depth, invisible, nested fields.
9382         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
9383         (B_IN_EXTERNAL_SCOPE): New convenience macros.
9384         (bind): Add invisible and nested arguments. Initialize
9385         new fields of struct c_binding; adjust loop scanning for
9386         insertion point.
9387         (free_binding_and_advance): Clear structure with memset.
9388         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
9389         in file scope, even if it's in external scope too.
9390         (pushdecl): Adjust to match.  Create invisible file-scope
9391         declarations for block-scope forward declarations of static functions.
9392         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
9393         (undeclared_variable, lookup_label, declare_label, define_label)
9394         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
9395         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
9396         (store_parm_decls_oldstyle): Adjust to match.
9397         (diagnose_mismatched_decls): Correct handling of linkage clashes.
9398         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
9399
9400         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
9401         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
9402
9403 2004-07-02  Richard Henderson  <rth@redhat.com>
9404
9405         * c-decl.c (grokdeclarator): Don't frob current_function_decl
9406         around variable_size.
9407         (set_decl_nonlocal): Remove.
9408         (store_parm_decls): Add stmts for pending sizes.
9409         * calls.c (calls_function, calls_function_1): Remove.
9410         (precompute_arguments): Don't call it.
9411         * cfgexpand.c (set_save_expr_context): Remove.
9412         (tree_expand_cfg): Don't call it.
9413         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
9414         (dwarf2out_finish): Likewise.
9415         * expr.c (emit_block_move): Adjust addresses to BLKmode.
9416         (store_constructor): Don't pre-evaluate SAVE_EXPR.
9417         (safe_from_p): Don't queue SAVE_EXPRs.
9418         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
9419         or build plain VAR_DECLs.
9420         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
9421         (fold): Likewise.
9422         (fold_checksum_tree): Don't special-case SAVE_EXPR.
9423         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
9424         (put_var_into_stack): Don't handle SAVE_EXPR.
9425         (gen_mem_addressof): Likewise.
9426         * function.h (struct function): Remove x_save_expr_regs.
9427         (save_expr_regs): Remove.
9428         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
9429         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
9430         * stor-layout.c (variable_size): Don't set it.
9431         (force_type_save_exprs, force_type_save_exprs_1): Remove.
9432         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
9433         all callers.  Don't set SAVE_EXPR_CONTEXT.
9434         * tree-inline.h (remap_save_expr): Update decl.
9435         * tree.c (save_expr): Update build size.
9436         (first_rtl_op): Don't handle SAVE_EXPR.
9437         (unsave_expr_1, contains_placeholder_p): Likewise.
9438         (decl_function_context): Likewise.
9439         * tree.def (SAVE_EXPR): Remove args 1 and 2.
9440         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
9441         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
9442
9443 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
9444
9445         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
9446         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
9447         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
9448         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
9449         some first-person references and patronizing comments.  Based on
9450         printed manual.
9451         * doc/invoke.texi: Don't reference fortran@gnu.org.
9452         * doc/trouble.texi (Warning when a non-void function value is
9453         ignored): Rewrite.  From Russ Allbery and Chris Devers.
9454
9455 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
9456
9457         * tree-ssa-pre.c (bitmap_set_t): New.
9458         (bb_value_sets): avail_out is now a bitmap_set_t.
9459         (bitmap_find_leader): New function.
9460         (bitmap_value_insert_into_set): Ditto.
9461         (bitmap_set_copy): Ditto.
9462         (bitmap_value_replace_in_set): Ditto.
9463         (bitmap_set_contains_value): Ditto.
9464         (bitmap_set_new): Ditto.
9465         (bitmap_set_pool): New pool.
9466         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
9467         (insert_aux): Ditto.
9468         (add_to_sets): Ditto.
9469         (compute_avail): Ditto
9470         (eliminate): Ditto.
9471         (init_pre): Ditto.
9472         (fini_pre): Ditto.
9473         (execute_pre): Ditto.
9474
9475 2004-07-02  Roger Sayle  <roger@eyesopen.com>
9476
9477         * config/rs6000/rs6000.c (struct processor_costs): New structure
9478         used to hold instruction latencies/sizes for processor types.
9479         (rs6000_cost): New global variable pointing to current CPU's costs.
9480         (rs6000_override_options): Initialize rs6000_cost to point to the
9481         appropriate cost table based upon rs6000_cpu and optimize_size.
9482         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
9483         timings inline.
9484
9485 2004-07-02  Richard Henderson  <rth@redhat.com>
9486
9487         * expmed.c (make_tree): Don't use SET_DECL_RTL.
9488
9489 2004-07-02  Steven Bosscher  <stevenb@suse.de>
9490
9491         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
9492
9493 2004-07-01  Richard Henderson  <rth@redhat.com>
9494
9495         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
9496         (alpha_gp_save_rtx): Use assign_stack_local instead of
9497         gen_mem_addressof.
9498
9499 2004-07-01  Richard Henderson  <rth@redhat.com>
9500
9501         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
9502         (alpha_rtx_cost_data): Update to match.
9503         (alpha_rtx_cost_size): New.
9504         (alpha_rtx_costs): Honor optimize_size.
9505
9506 2004-07-01  Richard Henderson  <rth@redhat.com>
9507
9508         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
9509         * cfgexpand.c (tree_expand_cfg): Do it here.
9510         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
9511         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
9512         * config/mips/mips.c (mips_output_mi_thunk): And here.
9513         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
9514         * config/sh/sh.c (sh_output_mi_thunk): And here.
9515         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
9516
9517 2004-07-01  Richard Henderson  <rth@redhat.com>
9518
9519         * tree.def (RTL_EXPR): Remove.
9520         * c-typeck.c (lvalue_p): Don't handle it.
9521         * expr.c (safe_from_p): Likewise.
9522         (expand_expr_real_1): Likewise.
9523         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
9524         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
9525         * gengtype.c (adjust_field_tree_exp): Likewise.
9526         * stmt.c (warn_if_unused_value): Likewise.
9527         * tree-gimple.c (recalculate_side_effects): Likewise.
9528         * tree-pretty-print.c (dump_generic_node): Likewise.
9529         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
9530         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
9531         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
9532
9533         * stmt.c (struct stmt_status): Remove x_last_expr_type,
9534         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
9535         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
9536         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
9537         all the bits that tracked last_expr.
9538         (expand_end_bindings): Don't track last_expr.
9539         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
9540         (clear_last_expr): Remove.
9541         (expand_asm): Don't call it.
9542         (expand_asm_operands, expand_end_cond): Likewise.
9543         (expand_naked_return, expand_null_return_1): Likewise.
9544         * c-typeck.c (c_begin_compound_stmt): Likewise.
9545         * cfgexpand.c (expand_block): Use expand_expr_stmt.
9546         * expr.c (expand_expr_real_1): Likewise.
9547         * tree.h: Update prototypes.
9548
9549         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
9550         (struct emit_status): Remove sequence_rtl_expr.
9551         (struct function): Remove x_rtl_expr_chain.
9552         (seq_rtl_expr, rtl_expr_chain): Remove.
9553         * function.c (struct temp_slot): Remove rtl_expr.
9554         (assign_stack_temp_for_type): Don't set it.
9555         (free_temp_slots, pop_temp_slots): Don't check it.
9556         (free_after_compilation): Don't clear x_rtl_expr_chain.
9557         (fixup_var_refs): Don't search it.
9558         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
9559         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
9560         or seq_rtl_expr.
9561         (push_topmost_sequence): Likewise.
9562         (end_sequence, init_emit): Likewise.
9563         (start_sequence_for_rtl_expr): Remove.
9564         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
9565         * rtl.h (preserve_rtl_expr_result): Remove.
9566
9567 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
9568
9569         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
9570         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
9571         typos.
9572
9573 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9574
9575         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
9576         (STANDARD_STARTFILE_PREFIX_2): Define.
9577         (standard_startfile_prefix_1): Initialize to
9578         STANDARD_STARTFILE_PREFIX_1.
9579         (standard_startfile_prefix_2): Initialize to
9580         STANDARD_STARTFILE_PREFIX_2.
9581         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
9582         (STANDARD_STARTFILE_PREFIX_1): Define.
9583         (STANDARD_STARTFILE_PREFIX_2): Define.
9584         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
9585         (STANDARD_STARTFILE_PREFIX_2): Document.
9586
9587 2004-07-01  Richard Henderson  <rth@redhat.com>
9588
9589         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
9590         in order to disable scalarization.  Instead set a flag and wait
9591         for a candidate decl.
9592
9593 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
9594
9595         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
9596         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
9597         Use terminology "testsuite" and "enumerated".
9598
9599 2004-07-01  Richard Henderson  <rth@redhat.com>
9600
9601         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
9602         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
9603         (initial_return_save): Likewise.
9604         (flush_queued_reg_saves): Remap register numbers.
9605         (dwarf2out_return_reg): Likewise.
9606
9607 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9608
9609         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
9610
9611         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
9612         access functions for lower bound and element size and only output
9613         if lower bound nonzero or element size not same as that of type.
9614         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
9615
9616 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9617
9618         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
9619
9620 2004-07-01  Per Bothner  <per@bothner.com>
9621
9622         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
9623
9624 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
9625
9626         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
9627         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
9628         first operand.  Don't optimize if the bitfield is volatile.
9629
9630 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9631
9632         * c-pretty-print.c (pp_c_postfix_expression): Handle
9633         floating-point comparison operators.
9634         (pp_c_expression): Pass floating-point comparison
9635         operators to pp_c_postfix_expression.
9636
9637 2004-07-01  Roger Sayle  <roger@eyesopen.com>
9638
9639         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
9640         rtx_cost instead of "had_mult" to determine whether the transformed
9641         expression is cheaper than the original.
9642
9643 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
9644
9645         * alias.c (get_alias_set, canon_rtx, get_addr,
9646         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
9647         Use MEM_P.
9648         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
9649         expand_builtin): Likewise.
9650         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
9651         Likewise.
9652         * combine.c (can_combine_p, combinable_i3pat, try_combine,
9653         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
9654         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
9655         record_dead_and_set_regs_1, get_last_value_validate,
9656         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
9657         * cse.c (check_dependence, canon_hash, equiv_constant,
9658         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
9659         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
9660         count_reg_usage): Likewise.
9661         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
9662         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
9663         cselib_record_sets): Likewise.
9664         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
9665         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
9666         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
9667         * df.c (df_uses_record): Likewise.
9668         * dojump (do_jump): Likewise.
9669         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
9670         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
9671         decl_start_label): Likewise.
9672         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
9673         operand_subword, change_address_1, make_safe_from): Likewise.
9674         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
9675         stabilize, force_not_mem): Likewise.
9676         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
9677         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
9678         * expr.c (convert_move, convert_modes, emit_block_move,
9679         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
9680         emit_move_insn_1, expand_assignment, store_expr,
9681         store_constructor_field, store_constructor, store_field,
9682         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
9683         Likewise.
9684         * final.c (cleanup_subreg_operands, alter_subreg,
9685         get_mem_expr_from_op): Likewise.
9686         * flow.c (notice_stack_pointer_modification_1,
9687         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
9688         Likewise.
9689         * function.c (mark_temp_addr_taken, preserve_temp_slots,
9690         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
9691         optimize_bit_field, flush_addressof, purge_addressof_1,
9692         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
9693         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
9694         keep_stack_depressed): Likewise.
9695         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
9696         noce_process_if_block, find_memory): Likewise.
9697         * integrate.c (subst_constants, allocate_initial_values): Likewise.
9698         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
9699         update_equiv_regs): Likewise.
9700         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
9701         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
9702         * optabs.c (expand_abs, emit_unop_insn): Likewise.
9703         * passes.c (rest_of_handle_final): Likewise.
9704         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
9705         move2add_note_store): Likewise.
9706         * ra-build.c (detect_remat_webs): Likewise.
9707         * ra-debug.c (dump_static_insn_cost): Likewise.
9708         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
9709         * recog.c (validate_change, apply_change_group, cancel_changes,
9710         validate_replace_rtx_1, general_operand, register_operand,
9711         nonmemory_operand, push_operand, pop_operand, memory_operand,
9712         indirect_operand, asm_operand_ok, offsettable_memref_p,
9713         offsettable_nonstrict_memref_p, constrain_operands,
9714         store_data_bypass_p): Likewise.
9715         * reg-stack.c (subst_stack_regs_pat): Likewise.
9716         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
9717         copy_cost, reg_scan_mark_refs): Likewise.
9718         * regmove.c (optimize_reg_copy_3, stack_memref_p,
9719         combine_stack_adjustments_for_block): Likewise.
9720         * regrename.c (copyprop_hardreg_forward_1): Likewise.
9721         * reload.c (can_reload_into, push_reload, decompose, immune_p,
9722         find_reloads, find_reloads_address, find_reloads_address_1,
9723         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
9724         find_equiv_reg): Likewise.
9725         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
9726         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
9727         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
9728         delete_address_reloads): Likewise.
9729         * resource.c (mark_referenced_resources): Likewise.
9730         * rtlanal.c (get_jump_table_offset, count_occurrences,
9731         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
9732         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
9733         num_sign_bit_copies1): Likewise.
9734         * rtlhooks.c (gen_lowpart_general): Likewise.
9735         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
9736         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
9737         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
9738         sdbout_global_decl): Likewise.
9739         * simplify-rtx.c (simplify_subreg): Likewise.
9740         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
9741         expand_anon_union_decl, expand_end_case_type): Likewise.
9742         * unroll.c (calculate_giv_inc): Likewise.
9743         * var-tracking.c (stack_adjust_offset_pre_post,
9744         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
9745         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
9746         vt_add_function_parameters): Likewise.
9747         * varasm.c (make_var_volatile, notice_global_symbol,
9748         assemble_external, decode_addr_const, mark_weak,
9749         default_encode_section_info): Likewise.
9750
9751 2004-07-01  Steven Bosscher  <stevenb@suse.de>
9752
9753         * stmt.c (check_seenlabel): Remove.
9754         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
9755
9756 2004-07-01  Richard Henderson  <rth@redhat.com>
9757
9758         * function.h (struct function): Remove x_function_call_count.
9759         (function_call_count): Remove.
9760         * calls.c (expand_call): Don't set it.
9761         * integrate.c (copy_rtx_and_substitute): Likewise.
9762
9763         * function.h (struct function): Remove x_cleanup_label.
9764         (cleanup_label): Remove.
9765         * stmt.c (expand_value_return): Don't use it.
9766         * function.c (free_after_compilation): Don't set it.
9767         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
9768         * cfgexpand.c (tree_expand_cfg): Update call.
9769         * tree.h (expand_function_start): Update decl.
9770
9771 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
9772
9773         PR c/1027
9774         * c-lang.c (c_initialize_diagnostics): Move from here ...
9775         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
9776         (c_tree_printer): Use pretty-printer to format %T.
9777         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
9778         before '*' if not C++.
9779         (pp_c_direct_abstract_declarator): Don't try to print array upper
9780         bound for flexible array members.
9781         * c-tree.h: Include "diagnostic.h".
9782         (c_initialize_diagnostics): Declare.
9783         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
9784         * c-format.c (format_type_warning): New function.  Improve
9785         diagnostics for incorrect format argument types.
9786         (check_format_types): Use it.  Add two parameters.  Use the
9787         TYPE_MAIN_VARIANT of wanted_type.
9788         (check_format_info_main): Pass new parameters to
9789         check_format_types.
9790         (struct format_wanted_type): Update comment.
9791
9792 2004-07-01  Nick Clifton  <nickc@redhat.com>
9793
9794         * target.h (struct gcc_target): Add new field to struct cxx:
9795         import_export_class.
9796         * target-def.h (TARGET_CXX): Initialise the new field.
9797         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
9798         the new field.
9799         * doc/tm.texi: Document the new target hook.
9800
9801 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9802
9803         * builtins.c (fold_builtin_classify): Fix typo.
9804
9805 2004-07-01  Richard Henderson  <rth@redhat.com>
9806
9807         * function.c (identify_blocks, identify_blocks_1): Remove.
9808         * function.h (identify_blocks): Remove.
9809         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
9810
9811 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
9812
9813         * builtins.c (fold_builtin_classify): New.
9814         (fold_builtin_unordered_cmp): Fix commentary.
9815         (fold_builtin): Use it.
9816         * builtins.def: Define builtins for isnan,
9817         isnanf, isnanl, finite, finitef, finitel,
9818         isinf, isinff, isinfl.
9819
9820 2004-07-01  Richard Henderson  <rth@redhat.com>
9821
9822         * function.h (struct function): Remove dont_emit_block_notes.
9823         * gimple-low.c (lower_function_body): Don't set it.
9824         * cfgexpand.c (expand_block): Don't check it.
9825         * cfglayout.c (insn_locators_initialize): Likewise.
9826         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
9827         * passes.c (rest_of_compilation): Likewise.
9828         * stmt.c (expand_start_bindings_and_block): Likewise.
9829         (expand_end_bindings): Likewise.
9830
9831 2004-07-01  Richard Henderson  <rth@redhat.com>
9832
9833         * cgraph.h (cgraph_build_static_cdtor): Declare.
9834         * cgraphunit.c (cgraph_build_static_cdtor): New.
9835         * c-objc-common.c (build_cdtor): Use it.
9836         * coverage.c (create_coverage): Likewise.
9837         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
9838         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
9839
9840 See ChangeLog.11 for earlier changes.