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PR 19985
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
2
3         PR 19985
4         * gcov-io.h: Declare gcov external functions hidden.
5
6 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7
8         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
9         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
10         Use VEC instead of VARRAY.
11         (equiv_free): New.
12
13         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
14         out common code.
15
16 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
17
18         * c-common.c (resolve_overloaded_builtin): Forward to target
19         hook for BUILT_IN_MD built-ins.
20         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
21         for all types of built-in.
22         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
23         in the definition of the target hooks struct.
24         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
25         * config/rs6000/altivec.h: Rewritten.
26         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
27         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
28         rs6000_builtin_type, rs6000_builtin_type_compatible,
29         altivec_overloaded_builtins, rs6000_builtin_type,
30         rs6000_builtin_type_compatible): New.
31         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
32         New.
33         (def_builtin): Turn into a function.  Check for duplicates and store
34         the builtin into rs6000_builtin_decls.
35         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
36         bdesc_1arg): Add overloaded builtins.
37         (altivec_expand_builtin): Check for unresolved overloaded builtins,
38         do not support ALTIVEC_COMPILETIME_ERROR.
39         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
40         nodes to represent front-end types.
41         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
42         with opaque arguments and/or return values.
43         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
44         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
45         (rs6000_builtin_type_index): New.
46         (is_ev64_opaque_type): Rename to...
47         (rs6000_is_opaque_type): ... this.
48         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
49         target hook.
50
51 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
52
53         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
54         instead of VARRAY.
55
56 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
57             Bernd Schmidt  <bernd.schmidt@analog.com>
58
59         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
60         print_address_operand, print_operand, legitimize_pic_address,
61         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
62         output_pop_multiple): Use gcc_assert or gcc_unreachable as
63         appropriate.
64         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
65
66 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
67
68         * doc/passes.texi: Document vectorization pass.
69
70 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
71
72         * tree-scalar-evolution.c (get_exit_conditions_rec,
73         select_loops_exit_conditions,
74         number_of_iterations_for_all_loops,
75         analyze_scalar_evolution_for_all_loop_phi_nodes,
76         scev_analysis): Use VEC instead of VARRAY.
77
78 2005-05-02  Michael Matz  <matz@suse.de>
79
80         PR c++/19542
81         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
82         (warn_strict_null_sentinel): Define.
83         (check_function_sentinel): Check for null_node as valid sentinel too.
84         * c-common.h (c_tree_index): Added CTI_NULL.
85         (null_node) Define global_tree[CTI_NULL].
86         (warn_strict_null_sentinel): Declare.
87         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
88         * c.opt: (Wstrict-null-sentinel): New C++ option.
89         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
90
91 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
92
93         * gimplify.c (gimplify_compound_lval): Use VEC instead of
94         VARRAY.
95
96         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
97
98         * dwarf2out.c (decl_scope_table, push_decl_scope,
99         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
100         instead of VARRAY.
101
102 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
103
104         PR C++/14391
105         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
106         if !flag_weak.
107         * doc/cpp.texi (__DEPRECATED): Document.
108         (__EXCEPTIONS): Likewise.
109         (__GXX_WEAK__): Likewise.
110
111         * function.c (INVOKE__main): Do not define.
112         (expand_main_function): Check HAS_INIT_SECTION when determining
113         whether or not to call __main.
114
115 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
116
117         * tree-ssa-loop-ivopts.c: Fix a comment typo.
118
119 2005-01-05  Paul Brook  <paul@codesourcery.com>
120
121         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
122         (INITIALIZE_TRAMPOLINE): Use it.
123         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
124         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
125         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
126
127 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
128
129         * doc/install.texi (Specific): Omit dots in the @anchors names
130         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
131         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
132
133 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
134
135         PR tree-optimization/18316
136         PR tree-optimization/19126
137         * tree.c (build_int_cst_type): Avoid shift by size of type.
138         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
139         argument.
140         * tree-scalar-evolution.h (simple_iv): Declaration changed.
141         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
142         field.
143         (dump_cand): Dump depends_on information.
144         (determine_biv_step): Add argument to simple_iv call.
145         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
146         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
147         constant.
148         (add_candidate_1): Record depends_on for candidates.
149         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
150         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
151         Handle ivs with nonconstant step.
152         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
153         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
154         (create_new_iv): Unshare the step before passing it to create_iv.
155         (free_loop_data): Free cand->depends_on.
156         (build_addr_strip_iref): New function.
157         (find_interesting_uses_address): Use build_addr_strip_iref.
158         (strip_offset_1): Split the recursive part from strip_offset.
159         Strip constant offset component_refs and array_refs.
160         (strip_offset): Split the recursive part to strip_offset_1.
161         (add_address_candidates): Removed.
162         (add_derived_ivs_candidates): Do not use add_address_candidates.
163         (add_iv_value_candidates): Add candidates with stripped constant
164         offset.  Consider all candidates with initial value 0 important.
165         (struct affine_tree_combination): New.
166         (aff_combination_const, aff_combination_elt, aff_combination_scale,
167         aff_combination_add_elt, aff_combination_add,
168         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
169         fold_affine_sum): New functions.
170         (get_computation_at): Use fold_affine_sum.
171         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
172         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
173         to simple_iv call.
174
175 2005-04-30  Michael Matz  <matz@suse.de>
176
177         * config/i386/i386.md (movmemsi): Also active when
178         TARGET_INLINE_ALL_STRINGOPS.
179
180 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
181
182         PR bootstrap/20633
183         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
184
185 2005-04-30  Paul Brook  <paul@codesourcery.com>
186
187         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
188         thumb mode.
189         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
190         * config/arm/ieee754-sf.S: Ditto.
191         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
192         (FUNC_ALIAS): Use .thumb_set for thumb routines.
193
194 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
195
196         * tree-ssanames.c: Fix a comment typo.
197         * doc/options.texi: Fix a typo.
198
199 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
200
201         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
202         gcc_unreachable as appropriate.
203         (split_adds_subs, cond_string, print_operand,
204         h8300_initial_elimination_offset, h8300_classify_operand,
205         h8300_unary_length, h8300_short_immediate_length,
206         h8300_bitfield_length, h8300_binary_length,
207         h8300_insn_length_from_table, compute_mov_length, output_plussi,
208         compute_plussi_length, compute_plussi_cc, output_logical_op,
209         compute_logical_op_length, compute_logical_op_cc,
210         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
211         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
212         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
213         h8300_regs_ok_for_stm): Likewise.
214         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
215         monitor_prologue): Likewise.
216
217 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
218
219         * loop-invariant.c (invariants, create_new_invariant,
220         get_inv_cost, best_gain_for_invariant,
221         find_invariants_to_move, move_invariants,
222         init_inv_motion_data, free_inv_motion_data): Use VEC instead
223         of VARRAY.
224
225 2005-04-29  Richard Henderson  <rth@redhat.com>
226
227         * function.c (instantiate_decls): Remove valid_only argument.
228         (instantiate_decls_1, instantiate_decl): Likewise.
229         (instantiate_virtual_regs_1): Delete.
230         (instantiate_virtual_regs_lossage): Delete.
231         (instantiate_virtual_regs_in_rtx): New.
232         (safe_insn_predicate): New.
233         (instantiate_virtual_regs_in_insn): New.
234         (instantiate_virtual_regs): Update to match all that.  Only run
235         instantiate_decls once.
236
237 2005-04-29  Richard Henderson  <rth@redhat.com>
238             Daniel Jacobowitz  <dan@codesourcery.com>
239
240         * gengtype.c (write_func_for_structure): Split out ...
241         (output_type_enum): ... new function.  Fix thinko accessing
242         TYPE_PARAM_STRUCT data.
243
244 2005-04-29  Tom Tromey  <tromey@redhat.com>
245
246         * tree.c (build_block): Removed unused 'tags' argument.
247         * tree.h (build_block): Removed argument.
248
249 2005-04-29  Michael Matz  <matz@suse.de>
250
251         PR rtl-optimization/21144
252         * postreload.c (reload_cse_move2add): Check for VOIDmode.
253
254 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
255
256         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
257         flag_reorder_blocks.
258
259 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
260
261         PR tree-optimization/21030
262         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
263         ranges where VR->MAX is smaller than VR->MIN.
264
265 2005-04-29  Devang Patel  <dpatel@apple.com>
266
267         PR tree-optimization/21272
268         PR tree-optimization/21266
269         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
270         
271 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
272
273         * tree-flow-inline.h: Fix a comment typo.
274         * doc/tree-ssa.texi: Fix a typo.
275
276         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
277
278 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
279
280         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
281         gcc_unreachable as appropriate.
282         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
283         fr30_print_operand, fr30_move_double): Likewise.
284         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
285
286 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
287
288         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
289         definition has already been provided.
290         (ARM_EABI_DTORS_SECTION_OP): Likewise.
291         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
292         (ARM_EABI_DTORS_SECTION_OP): Likewise.
293
294 2005-04-29  Jim Tison  <jtison@us.ibm.com>
295
296         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
297         trace hooks calls to improve performance.
298
299 2005-04-29  Julian Brown  <julian@codesourcery.com>
300             Mark Mitchell  <mark@codesourcery.com>
301             Paul Brook  <paul@codesourcery.com>
302
303         * crtstuff.c: Handle targets that use .init_array.
304         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
305         that INVOKE__main is set correctly.
306         (expand_main_function): Test INVOKE__main.
307         * libgcc2.c: Do not define __main when using .init_array.
308         * config/arm/arm.c (arm_elf_asm_constructor): New function.
309         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
310         libgcc version.
311         (DTORS_SECTION_ASM_OP): Likewise.
312         (CTOR_LIST_BEGIN): Define specially when in libgcc.
313         (CTOR_LIST_END): Likewise.
314         (DTOR_LIST_BEGIN): Likewise.
315         (DTOR_LIST_END): Likewise.
316         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
317         (FINI_SECTION_ASM_OP): Likewise.
318         (INIT_ARRAY_SECTION_ASM_OP): Define.
319         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
320         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
321         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
322         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
323         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
324
325 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
326
327         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
328         gcc_assert and gcc_unreachable as appropriate.
329         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
330         const_int_cost, output_move_const_into_data_reg,
331         output_move_qimode, output_move_double, find_addr_reg,
332         print_operand, print_operand_address): Likewise.
333         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
334         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
335         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
336         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
337         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
338         conditional_trap): Likewise.
339         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
340
341 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
342
343         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
344         gcc_unreachable as appropriate.
345         (gen_conditional_move, xtensa_split_operand_pair,
346         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
347         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
348         xtensa_copy_incoming_a7, xtensa_output_literal,
349         xtensa_output_literal, xtensa_output_literal): Likewise.
350         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
351         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
352         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
353         movsicc_internal1, movsfcc_internal0,
354         movsfcc_internal1): Likewise.
355
356 2005-04-28  James E Wilson  <wilson@specifixinc.com>
357
358         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
359         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
360
361 2005-04-28  DJ Delorie  <dj@redhat.com>
362
363         * opt-functions.awk (var_set): Emit proper initializer for
364         non-target bitfields.
365
366 2005-04-28  Devang Patel  <dpatel@apple.com>
367
368         * dbxout.c (have_used_extensions): Remove.
369         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
370         have_used_extensions.
371         
372 2005-04-28  James E Wilson  <wilson@specifixinc.com>
373
374         * doc/install.texi: Update -enable-languages info.  Correct path to
375         html docs.
376
377 2005-04-28  DJ Delorie  <dj@redhat.com>
378
379         * optc-gen.awk (END): Make sure no variable is defined more
380         than once.
381         * opth-gen.awk (END): Allocate bits on a per-variable basis.
382         Allow for bitfield variables other than target_flags.
383         * doc/options.text (Mask): Document that you may specify a
384         variable other than target_flags.
385
386 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
387
388         PR rtl-optimization/18877
389         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
390         number in val.start.
391
392 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
393
394         PR target/20813
395         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
396         MASK_PPC_GFXOPT.
397         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
398         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
399         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
400
401 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
402
403         * arm.c (legitimize_pic_address): Fix sense of assertion test for
404         creating pseudos when the base offset is too large.
405
406 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
407
408         * global.c (earlyclobber_regclass): Change the type to
409         VEC(int,heap).
410         (check_earlyclobber): Update uses of earlyclobber_regclass.
411         (mark_reg_use_for_earlyclobber): Likewise.
412         (calculate_local_reg_bb_info): Allocate and free
413         earlyclobber_regclass using the VEC API.
414
415 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
416
417         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
418         assert.
419
420 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
421
422         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
423         (*targetm.foo).
424
425         * config.gcc: Obsolete c4x-* and tic4x-*.
426
427         * tree.h (edge_def): Remove.
428
429         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
430         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
431         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
432         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
433         where appropriate.
434
435         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
436         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
437         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
438         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
439         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
440         machmode.def, mips-tfile.c, params.c, pretty-print.c,
441         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
442         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
443         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
444         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
445         config/i386/cygming.h, config/i386/djgpp.h,
446         config/i386/lynx.h, config/i386/netware.c,
447         config/i386/winnt.c, config/ia64/ia64-c.c,
448         config/iq2000/iq2000.c, config/m32r/little.h,
449         config/m68k/m68k-protos.h, config/m68k/m68k.h,
450         config/m68k/m68k.md, config/mcore/mcore.c,
451         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
452         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
453         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
454         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
455         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
456         config/pdp11/pdp11.h, config/rs6000/darwin.h,
457         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
458         config/s390/2064.md, config/s390/2084.md,
459         config/s390/s390-modes.def, config/s390/s390-protos.h,
460         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
461         config/stormy16/stormy16.c, config/vax/vax-protos.h,
462         config/vax/vax.c, config/vax/vax.h,
463         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
464         copyright.
465
466 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
467
468         * c-typeck.c (build_compound_expr): Correct logic in last change.
469
470 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
471
472         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
473         parameters.  Replace conditional move code with assert checking for
474         ar.lc.  Delete obsolete comments.
475         (set_src_needs_barrier): Delete cond parameter, and code using it.
476         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
477         assert checking for PR_REGS.  Fix calls to update_set_flags and
478         set_src_needs_barrier.
479         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
480         callers.  Rewrite explanatory comment before the function.
481         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
482         Fix all callers.
483
484 2005-04-27  Mike Stump  <mrs@apple.com>
485
486         * doc/cpp.texi: gcc now implements universal character names.
487
488 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
489
490         PR c/21159
491         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
492         being a compound expression whose right-hand side is cast to void.
493
494 2005-04-27  Caroline Tice  <ctice@apple.com>
495
496         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
497         Remove targetm.have_named_sections test.
498         (fix_edges_for_rarely_executed_code): Likewise.
499         (insert_section_boundary_note): Likewise.
500         (reorder_basic_blocks): Check partitioning flag before calling
501         verify_hot_cold_block_grouping.
502         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
503         the function struct rather than global variables.
504         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
505         (COLD_END_LABEL): Likewise
506         (cold_text_section_label): New static global variable.
507         (cold_end_label): Likewise.
508         (dwarf2out_switch_text_section): Get hot/cold section labels from
509         the function struct rather than global variables; test to make sure
510         cfun is defined.
511         (output_aranges): Use cold_text_section_label and cold_end_label;
512         check partitioning flag before putting out delta.
513         (output_ranges): Remove incorrect code attempting to use
514         hot/cold labels.
515         (output_line_info): Get cold section label from function struct; test
516         to make sure cfun is defined.
517         (add_location_or_const_value_attribute): Likewise.
518         (dwarf2out_var_location): Likewise.
519         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
520         write out cold_text_section_label if partition flag is set.
521         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
522         * function.h (struct function): Add new fields to point to hot/cold
523         section labels: hot_section_label, cold_section_label,
524         hot_section_end_label and cold_section_end_label; also add new field
525         for cold text section name, unlikely_text_section_name.
526         * opts.c (decode_options): Turn off partitioning flag if
527         !targetm.have_named_sections.
528         * output.h (hot_section_label): Remove.
529         (hot_section_end_label): Remove.
530         (cold_section_end_label): Remove.
531         (unlikely_section_label): Remove.
532         (unlikely_text_section_name): Remove.
533         * passes.c (rest_of_handle_final):  Remove extra blank line.
534         * varasm.c (unlikely_section_label): Remove.
535         (hot_section_label): Remove.
536         (hot_section_end_label): Remove.
537         (cold_section_end_label): Remove.
538         (unlikely_text_section_name):  Remove.
539         (initialize_cold_section_name): Modify to call
540         targetm.strip_name_encoding; to store cold section name in current
541         function struct, if it exists; and to only use the decl_section_name
542         if flag_named_sections is true.
543         (unlikely_text_section): Modify to get section name out of current
544         function struct, if there is one; otherwise build it from
545         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
546         (in_unlikely_text_section): Likewise.
547         (named_section): Modify to get/put cold section name in current function
548         struct, if there is one.
549         (function_section):  Change 'bool unlikely' to 'int reloc'; check
550         targetm.have_named_sections before calling named_section.
551         (current_function_section): Likewise.
552         (assemble_start_function): Modify to get/put unlikely_text_section_name
553         in current function struct; modify to get hot/cold section labels
554         from function struct; initialize labels using
555         ASM_GENERATE_INTERNAL_LABEL;
556         test partitioning flag before writing out hot section label.
557         (assemble_end_function): Test partitioning flag before writing out
558         hot/cold section labels.
559         (default_section_type_flags_1):  Get cold text section name from
560         function struct if there is one; Set flags correctly for
561         cold text section if there is not a current function struct.
562         
563 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
564
565         * tree-ssa-propagate.c (set_rhs): Revert last change.
566
567 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
568
569         * explow.c (convert_memory_address): Add gcc_assert.
570
571 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
572
573         * configure.ac: Check for ld --sysroot support.
574         * gcc.c: Document %R specifier for specs.
575         (SYSROOT_SPEC): New macro.
576         (sysroot_spec): New variable.
577         (static_specs): Add sysroot_spec.
578         (main): Pass the sysroot spec to the linker if appropriate.
579         * configure: Regenerated.
580         * config.in: Likewise.
581
582 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
583
584         * fold-const.c (fold_binary): Use build_fold_addr_expr
585         for address calculation and INDIRECT_REF handling.
586
587 2005-04-27  Andrew Haley  <aph@redhat.com>
588
589         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
590
591 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
592
593         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
594         pointer when thumb backtracing is on.
595
596         * config/fp-bit.c (abort): Revert change.
597
598 2005-04-27  Ian Lance Taylor  <ian@airs.com>
599
600         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
601
602 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
603
604         * tree-ssa-dce.c: Fix a comment typo.
605
606 2005-04-27  David S. Miller  <davem@davemloft.net>
607
608         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
609         Kill setjmpless_size.  current_function_calls_setjmp is completely
610         computed when we are called, so just use the optimized size value
611         instead of using REG_SAVE_AREA notes.
612         (optimize_save_area_alloca): Delete....
613         * rtl.h (optimize_save_area_alloca): Likewise...
614         * passes.c (rest_of_compilation): and don't call it any more.
615         * reg-notes.def (SAVE_AREA): Delete.
616         
617 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
618
619         * config/fp-bit.c (abort): Add noreturn attribute.
620
621         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
622         gcc_unreachable as appropriate.
623         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
624         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
625         ASM_OUTPUT_REG_POP): Likewise.
626
627 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
628
629         * tree-complex.c (expand_vector_operations_1): Do not build
630         VIEW_CONVERT_EXPR's for the lhs.
631
632 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
633
634         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
635         unnecessary noncanonical RTL handling.
636         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
637         gcc_assert and gcc_unreachable.
638
639         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
640         gcc_unreachable as appropriate.
641         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
642         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
643         use_return_insn, const_ok_for_op, arm_gen_constant,
644         arm_canonicalize_comparison, legitimize_pic_address,
645         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
646         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
647         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
648         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
649         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
650         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
651         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
652         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
653         output_call, output_mov_long_double_fpa_from_arm,
654         output_mov_long_double_arm_from_fpa,
655         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
656         output_move_double, arithmetic_instr, shift_op, int_log2,
657         output_return_instruction, arm_output_function_prologue,
658         arm_output_epilogue, arm_output_function_epilogue,
659         emit_multi_reg_push, arm_get_frame_offsets,
660         arm_compute_initial_elimination_offset, arm_expand_prologue,
661         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
662         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
663         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
664         thumb_compute_initial_elimination_offset,
665         thumb_output_function_prologue, thumb_load_double_from_address,
666         thumb_output_move_mem_multiple, thumb_reload_out_hi,
667         arm_emit_vector_const, arm_dbx_register_number): Likewise.
668         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
669         * config/arm/arm.md (thumb_extendhisi2,
670         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
671         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
672         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
673         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
674         * config/arm/cirrus.md (*cirrus_arm_movdi,
675         *cirrus_movdf_hard_insn): Likewise.
676         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
677
678 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
679
680         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
681         (num_ssa_names): Use VEC_length.
682         (ssa_names): Use VEC_index.
683         * tree-ssanames.c (ssa_names): Change the type to
684         VEC(tree,gc).
685         (init_ssanames, fini_ssa_names, make_ssanames,
686         release_ssa_name): Update uses of ssa_names.
687
688         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
689         Use fold_buildN instead of fold (buildN (...)).
690
691 2005-04-27  Devang Patel <dpatel@apple.com>
692
693         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
694
695 2005-04-27  Matt Thomas <matt@3am-software.com>
696             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
697
698         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
699         (vax_output_mi_thunk): Ditto.
700         (vax_notice_cc_update): Ditto.
701         (INDEX_REGISTER_P): Add trailing \.
702         (BASE_REGISTER_P): Add trailing \.
703         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
704
705 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
706
707         * tree-ssa-propagate.c (set_rhs): Check operand of
708         ADDR_EXPR for gimpliness, too.
709
710 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
711
712         * tree-ssa-pre.c: Fix a comment typo.
713
714 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
715
716         PR tree-optimization/21171
717         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
718         record address uses if the reference is volatile.
719
720 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
721
722         * tree-complex.c (expand_vector_operation): New, extracted from
723         expand_vector_operations_1.
724         (tree_vec_extract): Build a NOP_EXPR.
725         (expand_vec_parallel): Do not care about returning the correct type.
726         (expand_vector_operations_1): Call expand_vector_operation.
727         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
728
729         * tree-complex.c (gate_expand_vector_operations): New.
730         (pass_lower_vector_ssa): Use it.
731         * tree-optimize.c (init_tree_optimization_passes): Include
732         pass_lower_vector_ssa.
733         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
734         (vectorizable_operation): Use it.
735         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
736         integer modes for the vector type.
737
738         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
739         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
740         Do not cope with UNITS_PER_SIMD_WORD == 0.
741         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
742         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
743         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
744         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
745         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
746         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
747         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
748
749         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
750         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
751         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
752
753         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
754         (UNITS_PER_SIMD_WORD): New.
755
756 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
757
758         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
759         gcc_unreachable as appropriate.
760         (ia64_expand_load_address, ia64_expand_tls_address,
761         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
762         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
763         next_scratch_gr_reg, ia64_initial_elimination_offset,
764         ia64_expand_prologue, ia64_expand_epilogue,
765         ia64_output_dwarf_dtprel, ia64_print_operand,
766         ia64_register_move_cost, first_instruction, rws_access_regno,
767         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
768         ia64_sched_init, ia64_variable_issue,
769         ia64_first_cycle_multipass_dfs_lookahead_guard,
770         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
771         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
772         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
773         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
774         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
775         * config/ia64/predicates.md (got_symbolic_operand,
776         sdata_symbolic_operand): Likewise.
777         * config/ia64/vect.md (vcondv2sf): Likewise.
778
779 2005-04-27  Matt Thomas <matt@3am-software.com>
780
781         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
782         CONSTANT_ADDRESS_P in config/vax/vax.h
783         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
784         (INDEX_REGISTER_P): New.
785         (BASE_REGISTER_P): New.
786         (indirectable_constant_address_p): New.  Adapted from
787         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
788         (indirectable_address_p): New.  Adapted from
789         INDIRECTABLE_ADDRESS_P in vax.h.
790         (nonindexed_address_p): New.  Adapted from
791         GO_IF_NONINDEXED_ADDRESS in vax.h.
792         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
793         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
794         (legitimate_address_p): New.  Adapted from
795         GO_IF_LEGITIMATE_ADDRESS in vax.h.
796         (vax_mode_dependent_address_p): New.  Adapted from
797         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
798         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
799         legitimate_constant_address_p.
800         (CONSTANT_P): Use legitimate_constant_p.
801         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
802         (INDIRECTABLE_ADDRESS_P): Removed.
803         (GO_IF_NONINDEXED_ADDRESS): Removed.
804         (INDEX_TEMP_P): Removed.
805         (GO_IF_REG_PLUS_INDEX): Removed.
806         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
807         definitions, depending on whether REG_OK_STRICT is defined.
808         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
809         Two definitions, depending on whether REG_OK_STRICT is defined.
810         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
811         added.
812         (legitimate_constant_p): Prototype added.
813         (legitimate_address_p): Prototype added.
814         (vax_mode_dependent_address_p): Prototype added.
815
816 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
817
818         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
819
820 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
821
822         PR c/21213
823         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
824         transparent union.
825
826 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
827
828         PR c/20740
829         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
830         assertion failures, if __gcc_host_wide_int__ is not properly
831         defined.
832         (init_dynamic_diag_info): Give errors, not assertion failures, if
833         location_t, tree or __gcc_host_wide_int__ are not properly
834         defined.
835
836 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
837
838         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
839         n_iv_uses, iv_use, n_iv_cands, iv_cand,
840         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
841         prepare_decl_rtl, free_loop_data,
842         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
843         VARRAY.
844
845         * tree.h (tree_phi_node): Add a comment about the order of PHI
846         arguments.
847
848 2005-04-26  Paul Brook  <paul@codesourcery.com>
849
850         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
851
852 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
853
854         * config/mips.mips.c (mips_legitimize_tls_address): Use
855         gcc_unreachable.
856
857         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
858         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
859         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
860
861         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
862         'abort'.
863
864 2005-04-26  Jeff Law  <law@redhat.com>
865
866         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
867         (op_iter_init_must_and_may_def): Likewise.
868         (unmodifiable_var_p): Move to a later point in the file.
869         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
870         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
871         (dse_record_phis): Directly check for virtual operands rather than
872         using need_imm_uses_for.
873         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
874         store has multiple V_{MAY,MUST}_DEF operands.
875
876 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
877
878         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
879         stmt.
880
881 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
882
883         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
884         call to find_edge outside a loop to go through a PHI chain.
885
886 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
887
888         PR tree-optimization/17598
889         * fold-const.c (fold_binary): Fold comparisons of addresses
890         of COMPONENT_REFs which reference the same field to
891         comparisons of the addresses of the base objects.
892
893 2005-04-26  Julian Brown  <julian@codesourcery.com>
894
895         * config/arm/arm.c (arm_return_in_msb): New function.
896         (arm_must_pass_in_stack): New function.
897         (TARGET_RETURN_IN_MSB): Define target hook.
898         (TARGET_MUST_PASS_IN_STACK): Define target hook.
899         (arm_function_value): Pad small aggregate return.
900         (arm_pad_arg_upward): New function.
901         (arm_pad_reg_upward): New function.
902         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
903         (FUNCTION_ARG_PADDING): Define macro.
904         (BLOCK_REG_PADDING): Define macro.
905         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
906         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
907         (arm_pad_reg_upward): Declare function.
908
909 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
910
911         * basic-block.h (ei_cond): New.
912         (FOR_EACH_EDGE): Call ei_cond.
913
914         PR tree-optimization/21047
915         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
916         (fold): Don't handle ASSERT_EXPR.
917
918 2005-04-25  Roger Sayle  <roger@eyesopen.com>
919
920         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
921         all writes to any stack register as a read/write dependency on
922         FIRST_STACK_REG.
923         (sched_analyze_2): Likewise, for reads from any stack register.
924
925 2005-04-25  Richard Henderson  <rth@redhat.com>
926
927         * final.c (output_addr_const): Revert 2005-04-09 change.
928
929 2005-04-25  Mike Stump  <mrs@apple.com>
930
931         * config/darwin.c (darwin_encode_section_info): Always set
932         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
933
934 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
935
936         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
937         gensupport.c, protoize.c, toplev.c: Replace calls to
938         `unlock_stream' with `unlock_std_streams'.
939
940 2005-04-25  Devang Patel <dpatel@apple.com>
941
942         * dbxout.c (dbxout_type): Emit attribute vector.
943         
944 2005-04-05  Paul Brook  <paul@codesourcery.com>
945
946         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
947         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
948         * config/arm/arm.c (arm_cxx_atexit_name): New function.
949         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
950         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
951         (register_dtor_fn): Likewise.
952         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
953
954 2005-04-25  Ian Lance Taylor  <ian@airs.com>
955
956         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
957         * c-common.h (EXPR_STMT_EXPR): Don't define.
958         (c_common_stmt_codes): Don't define.
959         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
960         * c-gimplify.c (gimplify_expr_stmt): Remove.
961         (c_gimplify_expr): Remove EXPR_STMT case.
962         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
963         to INIT_STATEMENT_CODES.
964         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
965
966 2005-04-25  Jan Hubicka  <jh@suse.cz>
967
968         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
969
970         * except.c: Include diagnostic.h
971         (dump_eh_tree, verify_eh_tree): New functions.
972         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
973         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
974         (dump_function_to_file): dump eh tree.
975         * tree-eh.c (mark_eh_edge): New function.
976         (mark_eh_edge_found_error): New static variable.
977         (verify_eh_edges): New function.
978
979 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
980
981         * tree-ssa-alias.c (fieldoff_t): Remove.
982         (fieldoff_s): typedef the structure itself.  Create a vector of
983         objects.
984         (push_fields_onto_fieldstack): Return count of fields pushed.
985         Remove peeling of first field.  Adjust.
986         (fieldoff_compare): Adjust.
987         (create_overlap_variables_for): Adjust.
988
989 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
990
991         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
992
993 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
994
995         PR bootstrap/21215
996         * doc/install.texi: Document correct assembler and linker to use
997         on i?86-*-solaris2.10.
998
999 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1000
1001         Fix PR tree-optimization/21173
1002
1003         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1004         Unshare expression we pass to force_gimple_operand.
1005
1006 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1007             Stephen Clarke <stevec@superh.com>
1008             Roger Sayle <roger@eyesopen.com>
1009
1010         PR rtl-optimization/20413
1011         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1012         VOIDmode for LABEL_REF.
1013         * final.c (shorten_branches): Likewise.
1014         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1015         * loop.c (reg_dead_after_loop): Likewise.
1016         * varasm.c (decode_addr_const): Likewise.
1017         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1018
1019 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1020
1021         * config.gcc (avr-*-*): Remove redundant "case".
1022
1023 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1024
1025         * tree-vect-analyze.c (vect_mark_relevant): Take
1026         VEC(tree,heap) instead of varray_type as an argument.
1027         (vect_mark_stmts_to_be_vectorized): Change the type of
1028         worklist to VEC(tree,heap).  Adjust uses of worklist.
1029
1030 2005-04-24  Devang Patel  <dpatel@apple.com>
1031
1032         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1033         
1034 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1035
1036         * c-semantics.c (build_stmt): Remove test of specific tree codes
1037         for TREE_SIDE_EFFECTS handling.
1038
1039 2005-04-24  Per Bothner  <per@bothner.com>
1040
1041         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1042         location 0, as assumed elsewhere, rather than 1.
1043
1044 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1045
1046         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1047         VEC(tree,heap).
1048         (tree_ssa_uncprop, uncprop_finalize_block,
1049         uncprop_initialize_block): Update uses of equiv_stack.
1050
1051 2005-04-24  Richard Henderson  <rth@redhat.com>
1052
1053         PR rtl-opt/21163
1054         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1055         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1056         constm1_rtx.
1057         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1058         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1059         <DIV, MOD>: Likewise.
1060
1061 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1062
1063         * collect2.c (main): Unlock the stdio streams.
1064         * gcc.c (main): Likewise.
1065         * gcov-dump.c (main): Likewise.
1066         * gcov.c (main): Likewise.
1067         * gen-protos.c (main): Likewise.
1068         * gensupport.c (init_md_reader_args_cb): Likewise.
1069         * protoize.c (main): Likewise.
1070         * toplev.c (general_init): Likewise.
1071
1072 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR middle-end/20991
1075         * cgraph.h (cgraph_local_info): Add vtable_method field.
1076         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1077         and node is vtable_method, finalized and not reachable, don't do
1078         anything.
1079
1080 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1081
1082         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1083         COMPARISON_CLASS_P.
1084         * tree-ssa-pre.c (create_value_expr_from): Use
1085         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
1086         * tree-ssa-propagate.c (stmt_makes_single_load,
1087         stmt_makes_single_store): Use REFERENCE_CLASS_P.
1088         * tree-vect-transform.c (vect_is_simple_cond): Use
1089         COMPARISON_CLASS_P.
1090         * tree-vrp.c (extract_range_from_assert,
1091         build_assert_expr_for, fp_predicate, has_assert_expr): Use
1092         COMPARISON_CLASS_P.
1093
1094         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
1095         of tpa_to_clear to VEC(int,heap).  Update uses of
1096         tpa_to_clear.  Free tpa_to_clear at the end.
1097
1098 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1099
1100         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1101         function decl.
1102
1103 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
1104
1105         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
1106         and gcc_unreachable as appropriate.
1107         (num_insns_constant, output_vec_const_move,
1108         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
1109         rs6000_emit_set_const, rs6000_emit_move,
1110         spe_build_register_parallel, function_arg,
1111         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
1112         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
1113         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
1114         rs6000_common_init_builtins, expand_block_clear,
1115         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
1116         extract_ME, rs6000_get_some_local_dynamic_name,
1117         rs6000_output_function_entry, print_operand,
1118         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
1119         output_cbranch, output_e500_flip_gt_bit,
1120         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
1121         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
1122         compute_save_world_info, rs6000_stack_info,
1123         rs6000_emit_load_toc_table, rs6000_frame_related,
1124         spe_synthesize_frame_save, rs6000_emit_epilogue,
1125         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
1126         output_function_profiler, rs6000_trampoline_size,
1127         rs6000_initialize_trampoline, find_addr_reg,
1128         rs6000_machopic_legitimize_pic_address,
1129         rs6000_initial_elimination_offset,
1130         rs6000_dbx_register_number): Likewise.
1131         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
1132         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
1133         *movti_power, *movti_string, call, call_value, sibcall,
1134         sibcall_value): Likewise.
1135         * config/rs6000/spe.md (*movdf_e500_double,
1136         *movv2si_internal): Likewise.
1137         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
1138         from comment.
1139
1140 2005-04-24  Richard Henderson  <rth@redhat.com>
1141
1142         PR target/21101
1143         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
1144         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
1145         Deny modes smaller than 4 bytes.
1146         * config/i386/i386-protos.h: Update.
1147
1148 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1149
1150         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1151         Switch h8300-*-rtems* to ELF.
1152
1153 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1154
1155         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1156
1157 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1158
1159         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1160
1161 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1162
1163         PR middle-end/21082
1164         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1165
1166 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1167
1168         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
1169         definitions of ssa names in condition.  Split recusive part to ...
1170         (tree_simplify_using_condition_1): New function.
1171         (expand_simple_operations): New function.
1172
1173 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1174
1175         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
1176         (find_interesting_uses_cond): Do not use integer_zerop and
1177         integer_nonzerop to check for integer constants.
1178         (set_use_iv_cost): Record the value field.
1179         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
1180         determine_use_iv_cost_outer): Set the value field of the cost pair.
1181         (may_eliminate_iv): Do not return the comparison code.
1182         (iv_elimination_compare): New function.
1183         (determine_use_iv_cost_condition): Set the value field.  Record
1184         noneliminable invariants correctly.
1185         (rewrite_use_compare, rewrite_use_outer): Use the value field.
1186
1187 2005-04-23  DJ Delorie  <dj@redhat.com>
1188
1189         * diagnostic.c (warning): Accept parameter to classify warning option.
1190         (warning0): New, for when a pointer to an error() like function is needed.
1191         * errors.c (warning): Likewise.
1192         * errors.h (warning, warning0): Adjust prototypes.
1193         * toplev.h (warning, warning0): Likewise.
1194
1195         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
1196         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
1197         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
1198         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
1199         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
1200         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1201         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
1202         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
1203
1204         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
1205         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
1206         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
1207         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
1208         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
1209         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
1210         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
1211         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
1212         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
1213         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
1214         config/rs6000/aix52.h, config/rs6000/darwin.h,
1215         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
1216         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1217         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
1218         config/stormy16/stormy16.c, config/v850/v850-c.c,
1219         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
1220         callers.
1221         
1222 2005-04-23  Richard Henderson  <rth@redhat.com>
1223
1224         PR rtl-opt/21102
1225         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1226         performing some integral scalar simplifications.
1227
1228 2005-04-23  Richard Henderson  <rth@redhat.com>
1229
1230         PR target/21099
1231         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1232         simplifying CONST_VECTOR.
1233
1234 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1235
1236         * tree-ssa-live.c (live_worklist): Take a stack allocated on
1237         heap as an argument.  Update uses of stack.
1238         (calculate_live_on_entry): Allocate stack on heap.
1239
1240         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1241         partition_link and tpa_nodes on heap.
1242
1243         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
1244         (mark_stmt_necessary, propagate_necessity,
1245         mark_really_necessary_kill_operand_phis): Update uses of
1246         worklist.
1247         (tree_dce_init): Allocate worklist using VEC_alloc.
1248         (tree_dce_done): Free worklist using VEC_free.
1249
1250 2005-04-23  Mike Stump  <mrs@apple.com>
1251
1252         * config/darwin.c (machopic_indirection_name): Don't use
1253         quotes needlessly.
1254         (darwin_emit_unwind_label): Use user_label_prefix instead of
1255         "_".
1256
1257 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1258
1259         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
1260
1261 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
1262
1263         * config.gcc <cris-*>: Specify .opt files.
1264         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
1265         config/cris/linux.opt: New files.
1266         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
1267         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1268         (TARGET_ELF): Override to 0.
1269         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
1270         -melinux-stacksize=N.
1271         * config/cris/cris.c: (cris_handle_option): New function.
1272         (TARGET_DEFAULT_TARGET_FLAGS): Override.
1273         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
1274         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
1275         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
1276         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
1277         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
1278         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
1279         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
1280         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
1281         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
1282         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
1283         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
1284         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
1285         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
1286         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
1287         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
1288         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
1289         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1290         (TARGET_LINUX): Define 0.
1291         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1292         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
1293         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
1294         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
1295         (TARGET_LINUX): Override to 1.
1296         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1297
1298 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1299
1300         * haifa-sched.c (schedule_block): Fix thinko in previous
1301         assertification patch.
1302
1303 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
1304
1305         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
1306         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
1307         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1308         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
1309         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
1310         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1311         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
1312         for hpux11.[1-9]*.
1313         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
1314         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
1315         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
1316         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
1317         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
1318         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
1319         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
1320         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
1321         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
1322         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
1323         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
1324         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
1325         (SUBTARGET_OPTIONS): Delete.
1326         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
1327         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
1328         instead of a string.
1329         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
1330         (pa_cpu_string, pa_unix_string): Delete.
1331         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
1332         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
1333         TARGET_HPUX_10_10.
1334         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1335         (pa_handle_option): New function.
1336         (override_options): Remove handling of -march=, -mfixed-range=,
1337         -mschedule= and -munix=.
1338         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
1339         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
1340         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
1341         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
1342         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
1343         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
1344         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
1345         redefining.
1346         * config/pa/pa.opt: New file.
1347         * config/pa/pa-hpux.opt: New file.
1348         * config/pa/pa-hpux1010.opt: New file.
1349         * config/pa/pa-hpux1111.opt: New file.
1350         * config/pa/pa64-hpux.opt: New file.
1351
1352 2005-04-22  David S. Miller  <davem@davemloft.net>
1353
1354         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
1355         integer when it's mode is VOIDmode not DImode.
1356
1357 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
1358
1359         * config/rs6000/rs6000.md (sync_add<mode>_internal,
1360         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
1361         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
1362         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
1363         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
1364         "bne- $-xxx" rather than local labels.
1365         (sync_lock_release<mode>): Add second operand.
1366         (lwsync): Use .long rather than a more meaningful opcode.
1367         * doc/md.texi (Standard Names): Add description of second
1368         parameter to sync_lock_test_and_set.
1369
1370 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1371
1372         PR tree-optimization/21088
1373         * fold-const.c (fold_unary, fold_binary, fold_ternary):
1374         Export.
1375         * tree-vrp.c (compare_values): Use fold_binary to compare
1376         pointers.  Use boolean_type_node as the type of a comparison
1377         expression being folded.
1378         * tree.h: Add prototypes for fold_unary, fold_binary,
1379         fold_ternary.
1380
1381         * tree-ssa-dom.c: Fix formatting.
1382
1383 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1384
1385         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
1386         * lambda-code.c (perfect_nestify): Mark virtual operands in
1387         the moved statement for renaming.
1388         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
1389         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1390         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
1391         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1392         * tree-flow.h (struct var_ann_d): Update comments.
1393         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
1394         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
1395         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
1396         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
1397         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
1398         debug_names_replaced_by): Remove declarations.
1399         (delete_update_ssa, get_current_def, set_current_def): Declare.
1400         (rewrite_into_loop_closed_ssa): Add new argument.  Update
1401         all callers.
1402         * tree-into-ssa.c: Include params.h.
1403         (old_virtual_ssa_names): Remove.  Update all users.
1404         (need_to_replace_names_p): Remove.  Update all users.
1405         (struct update_ssa_stats_d): Declare.
1406         (update_ssa_stats): New local.
1407         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
1408         dump_tree_ssa_stats, debug_tree_ssa_stats,
1409         dump_update_ssa, debug_update_ssa,
1410         dump_names_replaced_by, debug_names_replaced_by): Declare.
1411         (get_current_def, set current_def): Make extern.
1412         (is_old_name, is_new_name): Protect against references
1413         past the end of the sets.
1414         (add_new_name_mapping): Assert that OLD and NEW are
1415         different SSA names for the same symbol.
1416         When adding a virtual mapping, update stats for virtual
1417         mapping heuristic.
1418         (insert_phi_nodes_for): If UPDATE_P is true, create the
1419         LHS of the new PHI by duplicating SSA name VAR.
1420         (insert_phi_nodes_1): Remove.  Update all users.
1421         (insert_phi_nodes): Remove second argument.  Update all
1422         users.
1423         (maybe_replace_use, maybe_replace_def): New.
1424         (rewrite_update_stmt): Call them.
1425         (mark_def_interesting): Remove calls to is_gimple_reg.
1426         (prepare_phi_args_for_update): Remove.  Update all users.
1427         (prepare_block_for_update): Only process virtual operands
1428         and GIMPLE registers in normal form.
1429         (prepare_use_sites_for): New.
1430         (prepare_names_to_update): Rename from prepare_def_sites.
1431         Call prepare_use_sites_for.
1432         (dump_update_ssa): Rename from dump_repl_tbl.
1433         Update all users.
1434         Show statistics for virtual mapping heuristic.
1435         (debug_update_ssa): Rename from debug_debug_repl_tbl.
1436         (init_update_ssa): Initialize UPDATE_SSA_STATS.
1437         (delete_update_ssa): Make extern.
1438         (mark_set_for_renaming): If the set is empty, do nothing.
1439         (release_ssa_name_after_update_ssa): Update comment.
1440         (insert_updated_phi_nodes_for): Do not remove existing
1441         PHI nodes for symbols.
1442         (switch_virtuals_to_full_rewrite_p): New.
1443         (switch_virtuals_to_full_rewrite): New.
1444         (update_ssa): Call them.
1445         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
1446         for every statement before updating.
1447         If all the names in NEW_SSA_NAMES have been marked for
1448         removal, do nothing.
1449         Only start at the top of the CFG if there are symbols in
1450         SYMS_TO_RENAME.
1451         (ssa_rewrite_finalize_block): Remove.
1452         (ssa_register_new_def): Remove.
1453         (ssa_rewrite_stmt): Remove.
1454         (ssa_rewrite_phi_arguments): Remove.
1455         (ssa_rewrite_initialize_block): Remove.
1456         (ssa_mark_def_sites): Remove.
1457         (ssa_mark_def_sites_initialize_block): Remove.
1458         (ssa_mark_phi_uses): Remove.
1459         (rewrite_ssa_into_ssa): Remove.
1460         * tree-phinodes.c (find_phi_node_for): Remove.
1461         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1462         Call update_ssa.
1463         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
1464         Remove calls to verify_dominators and
1465         verify_loop_structure.
1466         (tree_unswitch_single_loop): Call update_ssa.
1467         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
1468         returns false.
1469         Call verify_stmts.
1470         (delete_tree_ssa): Assert that need_ssa_update_p returns
1471         false.
1472         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
1473         * tree-vectorizer.c (allocate_new_names, rename_def_op,
1474         free_new_names): Remove.  Update all users.
1475         (rename_use_op): Call get_current_def.
1476         (rename_variables_in_bb): Do not handle any real or
1477         virtual definition.
1478         (slpeel_update_phis_for_duplicate_loop): Call
1479         get_current_def and set_current_def instead of using
1480         SSA_NAME_AUX.
1481         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
1482         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
1483         ssa_names_to_replace and delete_update_ssa.
1484         * doc/invoke.texi: Document --param min-virtual-mappings
1485         and --param virtual-mappings-ratio.
1486
1487 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1488
1489         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
1490         for newly created PHI nodes.
1491         Call create_new_def_for for every new V_MAY_DEF and
1492         V_MUST_DEF on the copied statement.
1493         (struct ssa_name_map_entry): Remove.
1494         (ssa_name_map_entry_hash): Remove.
1495         (ssa_name_map_entry_eq): Remove.
1496         (allocate_ssa_names): Remove.
1497         (rewrite_to_new_ssa_names_def): Remove.
1498         (rewrite_to_new_ssa_names_use): Remove.
1499         (rewrite_to_new_ssa_names_bb): Remove.
1500         (rewrite_to_new_ssa_names): Remove.
1501         (tree_duplicate_sese_region): Remove variables ver,
1502         definitions, phi, ssa_name_map and bi.
1503         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
1504         Call update_ssa.
1505         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1506         update_ssa instead of rewrite_ssa_into_ssa.
1507         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
1508         create_new_def_for.
1509         (find_uses_to_rename_use): Add argument 'need_phis'.
1510         (find_uses_to_rename_stmt): Do not scan virtual operands.
1511         (find_uses_to_rename): Only scan PHI nodes for
1512         non-virtual names.
1513         (rewrite_into_loop_closed_ssa): Call update_ssa.
1514         (check_loop_closed_ssa_use): Ignore virtual operands.
1515         (check_loop_closed_ssa_stmt): Likewise.
1516         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
1517         NULL.
1518         (rename_variables, set_phi_def_stmts): Remove.
1519         (tree_duplicate_loop_to_header_edge): Reformat comment.
1520         Remove variables BB, I and DEFINITIONS.
1521         Call need_ssa_update_p.
1522         Call update_ssa.
1523         (lv_adjust_loop_header_phi): Reformat comment.
1524         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
1525         (marked_for_rewrite_p, any_marked_for_rewrite_p,
1526         mark_for_rewrite, unmark_all_for_rewrite,
1527         marked_ssa_names): Remove.  Update all users.
1528         (release_ssa_name): If VAR has been registered for SSA
1529         updating, do nothing.
1530         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
1531         (build_assert_expr_for): Call register_new_name_mapping.
1532         (insert_range_assertions): Update call to update_ssa.
1533         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
1534         marked_for_rewrite_p, any_marked_for_rewrite_p,
1535         marked_ssa_names): Remove.
1536
1537 2005-04-22  Jeff Law  <law@redhat.com>
1538
1539         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
1540         (restore_currdefs_to_original_value): Likewise.
1541         (register_definitions_for_stmt): Likewise.
1542         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
1543         for each variable.  Do not allocate/free block_defs_stack either.
1544         Do not iterate if we just thread jumps.  Only iterate if the
1545         tree_cleanup_cfg does useful work (temporary).
1546         (dom_opt_initialize_block): No longer push a marker on
1547         BLOCK_DEFS_STACK.
1548         (dom_opt_finalize_block): Removal call to restore currdefs.
1549         Relax restrictions for recording edge equivalences.
1550         (record_equivalences_from_phis): No longer need to track
1551         CURRENT_DEF.
1552         (optimize_stmt): Similarly.
1553         (thread_across_edge): Simplify by removing the requirement that
1554         statements in the block we are threading through must be nops.
1555         (initialize_hash_element): Handle GOTO_EXPR.
1556
1557 2005-04-22  David S. Miller  <davem@davemloft.net>
1558
1559         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
1560         CONST_DOUBLE_HIGH.
1561         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
1562         fix check on CONST_DOUBLE mode.  It should be VOIDmode
1563         when it is representing an integer.
1564
1565 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1566
1567         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
1568         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
1569         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
1570         find_char_info_specifier_index,
1571         find_length_info_modifier_index): Likewise.
1572         * c-typeck.c (composite_type, pop_init_level): Likewise.
1573         * combine.c (cant_combine_insn_p, try_combine): Likewise.
1574         * cse.c (cse_insn): Likewise
1575         * dominance.c (calc_dfs_tree): Likewise
1576         dwarf2out.c (loc_descriptor_from_tree_1,
1577         add_abstract_origin_attribute, force_decl_die,
1578         force_type_die): Likewise
1579         emit-rtl.c (operand_subword_force): Likewise
1580         explow.c (hard_function_value): Likewise
1581         expmed.c (store_bit_field, expand_divmod,
1582         emit_store_flag_force): Likewise
1583         expr.c (emit_move_multi_word, store_expr,
1584         expand_expr_real_1): Likewise
1585         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
1586         output_operand): Likewise
1587         flow.c (recompute_reg_usage): Likewise
1588         * function.c (assign_stack_temp_for_type, assign_temp, 
1589         handle_epilogue_set): Likewise
1590         * genextract.c (main): Likewise
1591         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
1592         gimplify_modify_expr_rhs, gimplify_expr): Likewise
1593         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
1594         ready_remove, rm_line_notes, rm_other_notes,
1595         schedule_block): Likewise
1596         mips-tfile.c (copy_object, out_of_bounds): Likewise
1597
1598 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
1599
1600         PR target/20813
1601         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
1602         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
1603         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
1604         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
1605         TARGET_XL_COMPAT.
1606         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
1607
1608 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1609
1610         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
1611         (gcc_tree_to_linear_expression): Convert to heap allocated
1612         vectors.
1613         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
1614         lbv_to_gcc_expression, lle_to_gcc_expression,
1615         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
1616         perfect_nestify): Likewise.
1617         lambda.h (gcc_loopnest_to_lambda_loopnest,
1618         lambda_loopnest_to_gcc_loopnest): Likewise.
1619         tree-loop-linear.c (linear_transform_loops): Likewise.
1620
1621 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1622
1623         * config/sparc/predicates.md (arith_double_operand): Use
1624         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
1625         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
1626         (DImode, DFmode constant splitters): Likewise.  Remove code for
1627         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
1628         (logical constant splitters): Use const_int_operand predicate.
1629         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
1630         HOST_BITS_PER_WIDE_INT < 64.
1631
1632 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1633
1634         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
1635         gcc_unreachable as appropriate.
1636         (force_mode, emit_move_sequence, singlemove_string,
1637         output_move_double, output_fp_move_double, find_addr_reg,
1638         output_block_move, output_block_clear, output_and,
1639         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
1640         pa_adjust_cost, pa_issue_rate, print_operand,
1641         output_global_address, output_arg_descriptor, output_cbranch,
1642         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
1643         output_call): Likewise.
1644         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
1645         prefetch, prefetch_cc, prefetch_nocc): Likewise.
1646
1647 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
1648
1649         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
1650         _gcov_pow2_profiler and _gcov_one_value_profiler.
1651         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
1652         (GTFILES): Add $(srcdir)/tree-profile.c.
1653         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
1654         __gcov_one_value_profiler): Declare.
1655         * gimplify.c (force_gimple_operand): Check whether the statements
1656         should be produced in ssa form.
1657         (force_gimple_operand_bsi): New function.
1658         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
1659         __gcov_one_value_profiler): New functions.
1660         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
1661         the profiled value is a power of two or not.
1662         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
1663         * tree-flow.h (in_ssa_p): Declare.
1664         (force_gimple_operand_bsi): Declare.
1665         * tree-into-ssa.c (in_ssa_p): New variable.
1666         (rewrite_into_ssa): Set in_ssa_p.
1667         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
1668         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
1669         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
1670         tree_one_value_profiler_fn): New variables.
1671         (tree_init_edge_profiler): Initialize the profiler function decls.
1672         (tree_gen_edge_profiler): Use global gcov_type_node.
1673         (prepare_instrumented_value): New function.
1674         (tree_gen_interval_profiler, tree_gen_interval_profiler,
1675         tree_gen_one_value_profiler): Call the library functions instead of
1676         creating instrumentation code.
1677         * tree.c (build_fn_decl): New function.
1678         * tree.h (build_fn_decl): Declare.
1679         * value-prof.c (rtl_divmod_values_to_profile,
1680         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
1681         tree_mod_pow2_value_transform, tree_find_values_to_profile):
1682         Do not handle may_be_other and precise values of exponents at pow2
1683         profiler.
1684         (tree_mod_subtract_transform): Reflect that value field of
1685         histogram has changed meaning.
1686         (tree_divmod_values_to_profile): Record the values correctly.
1687         (tree_values_to_profile): Update comment.
1688         * value-prof.h (struct histogram_value_t): Remove pow2 data.
1689
1690 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
1691
1692         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
1693         (decl).
1694
1695 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1696
1697         * config/i386/i386.md (length_immediate): Use gcc_assert or
1698         gcc_unreachable, as appropriate.
1699         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
1700         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
1701         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
1702         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
1703         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
1704         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
1705         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
1706         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
1707         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
1708         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
1709         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
1710         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
1711         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
1712         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
1713         *prefetch_sse_rex): Likewise.
1714         * config/i386/predicates.md (x86_64_immediate_operand,
1715         x86_64_zext_immediate_operand, symbolic_operand,
1716         no_seg_address_operand, aligned_operand,
1717         memory_displacement_operand): Likewise.
1718         * config/i386/sse.md (*mov<mode>_internal,
1719         *movv2df_internal): Likewise.
1720
1721 2005-04-22  Jan Hubicka  <jh@suse.cz>
1722
1723         * Makefile.in (ipa.o, ipa-inline.o): New files.
1724         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
1725         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
1726         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
1727         * cgraphunit.c (cgraph_default_inline_p,
1728         cgraph_decide_inlining_incrementally,  ncalls_inlined,
1729         nfunctions_inlined, initial_insns, overall_insns, 
1730         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
1731         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
1732         cgraph_mark_inline, cgraph_check_inline_limits,
1733         cgraph_default_inline_p, cgraph_recursive_inlining_p,
1734         update_callee_keys, lookup_recursive_calls,
1735         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
1736         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
1737         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
1738         pass_ipa_inline): Move to ipa-inline.c
1739         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
1740         * ipa.c: New file.
1741         * ipa-inline.c: New file.
1742
1743 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1744
1745         * doc/invoke.texi (SPARC options): Document that -mapp-regs
1746         is turned off by default on Solaris.
1747
1748 2005-04-21  Roger Sayle  <roger@eyesopen.com>
1749
1750         * c-common.h (objc_build_method_signature): Update prototype.
1751         * stub-objc.c (objc_build_method_signature): Update the stub
1752         implementation to accept and ignore additional parameter.
1753         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
1754         the value of ellipsis to objc_build_method_signature instead
1755         of setting TREE_OVERFLOW on the parms TREE_LIST node.
1756
1757 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
1758
1759         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
1760         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
1761         gen_rtx_* not gen_rtx_fmt_*.
1762         (rs6000_emit_vector_select): Likewise.
1763         (rs6000_emit_sync): New.
1764         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
1765         (larx, stcx, cmp): New mode substitutions.
1766         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
1767         UNSPEC_ISYNC): New constants.
1768         (rlwinm): Give name.
1769         (memory_barrier, isync, lwsync): New insns.
1770         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
1771         (sync_lock_release<mode>): New expander.
1772         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
1773         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
1774         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
1775         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
1776         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
1777         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
1778         (sync_add<mode>_internal, sync_addshort_internal,
1779         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
1780         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
1781         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
1782
1783         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
1784         is the memory before, not after, the operation.  Clarify
1785         barrier requirements.
1786
1787 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1788
1789         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
1790         * lambda.h (lambda_vector_min_nz): Likewise.
1791         * langhooks.h (struct lang_hooks_for_types,
1792         struct lang_hooks): Likewise.
1793         * output.h (assemble_integer, this_is_asm_operands): Likewise.
1794         * tree.h: Likewise.
1795         * vec.h: Likewise.
1796         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
1797         
1798         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
1799         comments to avoid 'abort'.  Use gcc_assert as necessary.
1800         * opts.c (common_handle_option): Likewise.
1801         * pretty-print.c (pp_base_format_text): Likewise.
1802         * print-rtl.c (print_rtx): Likewise.
1803         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
1804         * regmove.c (try_auto_increment): Likewise.
1805         * reload.c (find_valid_class, find_reloads_toplev,
1806         find_equiv_reg): Likewise.
1807         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
1808         merge_assigned_reloads): Likewise.
1809         * tree-inline.c (inline_forbidden_p_1,
1810         estimate_num_insns_1): Likewise.
1811         * tree-optimize.c (execute_todo): Likewise.
1812         * tree-outof-ssa.c (eliminate_phi): Likewise.
1813         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1814         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
1815         * tree-ssa-operands.c (parse_ssa_operands,
1816         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
1817         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
1818         * tree-ssanames.c (release_ssa_name): Likewise.
1819         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
1820         walk_tree): Likewise.
1821
1822         * tree-ssa-operands.c (verify_abort): Fold into ..
1823         (verify_imm_links): ... here.
1824
1825 2005-04-21  Richard Henderson  <rth@redhat.com>
1826
1827         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
1828         on non-memory operand for previous inversion.
1829
1830 2005-04-21  Devang Patel  <dpatel@apple.com>
1831
1832         PR optimization/20994
1833         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
1834         x = !(a == b) : p , q;.
1835         (pass_if_conversion): Verify stmts and flow.
1836         
1837 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1838
1839         * optabs.c (gen_conditional_trap): Restore #define.
1840
1841         * alias.c (true_dependence): Remove 'abort' from comments. Use
1842         gcc_assert and gcc_unreachable as appropriate.
1843         (canon_true_dependence): Likewise.
1844         * bb-reorder.c (connect_traces): Likewise.
1845         * c-common.c (c_add_case_label): Likewise.
1846         * c-decl.c (finish_function): Likewise.
1847         * caller-save.c (insert_restore, insert_save): Likewise.
1848         * cfg.c (update_bb_profile_for_threading): Likewise.
1849         * cfganal.c (flow_active_insn_p): Likewise.
1850         * cfgexpand.c (add_reg_br_prob_note): Likewise.
1851         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
1852         cfg_layout_merge_blocks): Likewise.
1853         * ifcvt.c (cond_exec_process_insns, merge_if_block,
1854         find_if_block): Likewise.
1855         * integrate.c (allocate_initial_values): Likewise.
1856         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
1857         swap_condition, unsigned_condition, signed_condition,
1858         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
1859         reg_or_subregno): Likewise.
1860         * lambda-code.c (lambda_compute_auxillary_space,
1861         lambda_transform_legal_p): Likewise.
1862         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
1863         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
1864         lhd_incomplete_type_error, lhd_expand_expr,
1865         lhd_types_compatible_p, lhd_tree_size): Likewise.
1866         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
1867         * local-alloc.c (update_equiv_regs): Likewise.
1868         * loop-unroll.c (peel_loop_completely
1869         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1870         peel_loop_simple, unroll_loop_stupid,
1871         analyze_iv_to_split_insn): Likewise.
1872         * loop.c (gen_prefetch, find_and_verify_loops,
1873         basic_induction_var): Likewise.
1874         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
1875         * value-prof.c (tree_find_values_to_profile): Likewise.
1876         * varasm.c (named_section, default_assemble_integer,
1877         decode_addr_const): Likewise.
1878
1879 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
1880            Fariborz Jahanian <fjahanian@apple.com>
1881
1882         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
1883         portion of argument passed in fpr.
1884         * expr.c (emit_push_insn): Fix computation of 'offset' used to
1885         decide on partial argument save on stack.
1886
1887 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
1888
1889         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
1890         comment typos.
1891
1892 2005-04-21  Jan Hubicka  <jh@suse.cz>
1893
1894         * cgraphunit.c: Include tree-pass.h
1895         (cgraph_decide_recursive_inlining,
1896         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
1897         cgraph_decide_inlining): Dump goes to dump_file.
1898         (cgraph_optimize): Call ipa passes instead of inliner.
1899         (cgraph_gate_inlining, pass_ipa_inline): New.
1900         * tree-optimize.c (all_ipa_passes): New static variable.
1901         (register_one_dump_file): Dead with IPA passes.
1902         (register_dump_files): Likewise.
1903         (init_tree_optimization_passes): Initialize IPA passes.
1904         (execute_todo): Do cgraph dump when asked to, do not dump function body
1905         for IPA pass.
1906         * tree-pass.h (TODO_dump_cgraph): New macro.
1907         (ipa_passes): Declare.
1908         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
1909
1910 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1911
1912         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
1913         gcc_assert instead of abort.
1914         (classify_argument, examine_argument, construct_container,
1915         contains_128bit_aligned_vector_p, ix86_check_movabs,
1916         standard_80387_constant_opcode, standard_80387_constant_rtx,
1917         ix86_initial_elimination_offset, ix86_compute_frame_layout,
1918         pro_epilogue_adjust_stack, ix86_expand_epilogue,
1919         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
1920         legitimize_tls_address, output_pic_addr_const,
1921         i386_output_dwarf_dtprel, put_condition_code, print_reg,
1922         get_some_local_dynamic_name, print_operand, print_operand_address,
1923         output_387_binary_op, emit_i387_cw_initialization,
1924         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
1925         ix86_expand_clear, ix86_expand_binary_operator,
1926         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
1927         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
1928         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
1929         ix86_expand_branch, ix86_expand_setcc,
1930         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
1931         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
1932         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
1933         memory_address_length, ix86_attr_length_immediate_default,
1934         ix86_attr_length_address_default, ix86_agi_dependant,
1935         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
1936         ix86_expand_binop_builtin, ix86_force_to_memory,
1937         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
1938         x86_emit_floatuns): Likewise.
1939         * config/i386/netware.c (gen_regparm_prefix,
1940         i386_nlm_strip_name_encoding): Likewise.
1941         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
1942
1943 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1944
1945         * optabs.c (gen_condiational_trap): Remove #define.
1946         (add_equal_note): Assertify. Remove explicit indirection from
1947         call via function pointer.
1948         (expand_ternary_op, expand_simple_binop, expand_binop,
1949         expand_twoval_unop, expand_twoval_binop,
1950         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
1951         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
1952         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
1953         prepare_float_lib_cmp, emit_conditional_move,
1954         emit_conditional_add, gen_add2_insn, gen_add3_insn,
1955         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
1956         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
1957         vector_compare_rtx, expand_vec_cond_expr): Likewise.
1958
1959 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1960
1961         * vec.h: Update API to separate allocation mechanism from type.
1962         (VEC_safe_grow): New.
1963         * vec.c (calculate_allocation): New.
1964         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
1965         (vec_gc_free, vec_heap_free): Remove.
1966         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
1967         (VEC): Likewise.
1968         (mangle_macro_name): New.
1969         (struct macro_def): New.
1970         (struct macro): Add multiple argument values.
1971         (macro_expans_end): New.
1972         (push_macro_expansion):  Chain on new macro. Process multiple
1973         args, create follow on expansion. Return follow on argument.
1974         (macro_input): Deal with multiple arguments.
1975         
1976         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
1977         (struct tree_binfo): Adjust.
1978         * basic-block.h: Define VEC(edge,gc).
1979         (struct edge_def): Adjust.
1980         (struct basic_block_def, struct edge_iterator): Likewise.
1981         (ei_container, ei_start_1, ei_last_1): Likewise.
1982         * cfg.c (connect_src, connect_dest): Likewise.
1983         * cfgrtl.c (force_nonfallthru_and_redirect)
1984         * dbxout.c (dbxout_type)
1985         * dwarf2out.c (gen_member_die)
1986         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
1987         (gcc_tree_to_linear_expression): Adjust.
1988         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
1989         lbv_to_gcc_expression, lle_to_gcc_expression,
1990         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
1991         perfect_nestify): Likewise.
1992         * lambda.h (gcc_loopnest_to_lambda_loopnest,
1993         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
1994         * profile.c (instrument_values): Adjust.
1995         * tree-cfg.c (modified_noreturn_calls): Adjust.
1996         (remove_fallthru_edge): Likewise.
1997         * tree-dump.c (dequeue_and_dump): Adjust.
1998         * tree-flow-inline.h (mark_stmt_modified): Adjust.
1999         * tree-flow.h (modified_noreturn_calls): Adjust.
2000         (tree_on_heap): Remove. (yay!)
2001         (register_new_def): Adjust.
2002         * tree-into-ssa.c: Define VEC(int,heap).
2003         (block_defs_stack): Adjust.
2004         (find_idf, insert_phi_nodes, register_new_def,
2005         rewrite_initialize_block, rewrite_finalize_block,
2006         register_new_update_single, rewrite_update_init_block,
2007         rewrite_update_fini_block, rewrite_blocks,
2008         ssa_rewrite_finalize_block, ssa_register_new_def,
2009         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2010         * tree-loop-linear.c (linear_transform_loops): Adjust.
2011         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2012         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2013         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2014         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2015         vrp_variables_stack): Adjust declarations.
2016         (tree_ssa_dominator_optimize): Adjust.
2017         (dom_opt_initialize_block, remove_local_expressions_from_table,
2018         restore_nonzero_vars_to_original_value,
2019         restore_vars_to_original_value,
2020         restore_currdefs_to_original_value, dom_opt_finalize_block,
2021         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2022         optimize_stmt, update_rhs_and_lookup_avail_expr,
2023         lookup_avail_expr, record_range): Likewise.
2024         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2025         (compute_antic_aux): Adjust.
2026         (inserted_exprs, create_expression_by_pieces, 
2027         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2028         remove_dead_inserted_code, fini_pre): Likewise.
2029         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2030         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2031         ssa_prop_init): Likewise.
2032         * tree-ssa.c: Define VEC(bitmap,heap).
2033         (verify_name_tags): Adjust.
2034         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2035         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2036         tree_divmod_values_to_profile, tree_find_values_to_profile,
2037         value_profile_transformations): Likewise.
2038         * value-prof.h: Define VEC(histogram_value,heap).
2039         * varasm.c: Remove alias_pair pointer typedef, define
2040         VEC(alias_pair,gc).
2041         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2042         
2043         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2044         not a pointer to it.  Create an object vector.
2045         (extern_symbols): Turn into an object vector.
2046         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2047
2048 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2049
2050         PR/20742
2051         * Makefile.in (tree-chrec.o): Depend on params.h.
2052         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2053         default value 20.
2054         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2055         and fold build with fold_buildN.
2056         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2057         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2058         (tree_contains_chrecs): Compute an estimation of the size of the
2059         given expression.
2060         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2061         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2062         * tree-scalar-evolution.c (simple_iv): Ditto.
2063         * doc/invoke.texi (scev-max-expr-size): Documented.
2064
2065 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2066
2067         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2068         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2069         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2070         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2071         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2072         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2073         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2074         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2075         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2076         (darwin_fix_and_continue_switch): Delete.
2077         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2078         (SUBTARGET_SWITCHES): Delete.
2079         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2080         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2081         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2082         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2083         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
2084         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
2085         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
2086         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
2087         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
2088         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
2089         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
2090         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
2091         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
2092         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
2093         (TARGET_64BIT): Undef before redefining.
2094         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
2095         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
2096         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
2097         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
2098         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
2099         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
2100         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
2101         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2102         (ix86_debug_arg_string, ix86_debug_addr_string)
2103         (ix86_align_loops_string, ix86_align_jumps_string)
2104         (ix86_align_funcs_string): Delete.
2105         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
2106         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
2107         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
2108         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
2109         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
2110         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
2111         (SUBTARGET_SWITCHES): Delete.
2112         * config/i386/i386.c (ix86_debug_arg_string): Delete.
2113         (ix86_debug_addr_string): Delete.
2114         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
2115         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
2116         (ix86_align_loops_string, ix86_align_jumps_string)
2117         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2118         (ix86_align_funcs_string): Make static.
2119         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2120         (ix86_handle_option): New function.
2121         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
2122         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
2123         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
2124         of darwin_fix_and_continue_switch.
2125         (darwin_one_byte_bool): Delete.
2126         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2127         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
2128         to darwin_one_byte_bool.
2129         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
2130         * config/i386/djgpp.opt, config/i386/i386.opt,
2131         * config/i386/sco5.opt: New files.
2132
2133 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2134
2135         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
2136         fp_zero_operand, fp_register_operand, intreg_operand,
2137         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
2138         call_operand, call_operand_address, tgd_symbolic_operand,
2139         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
2140         symbolic_operand, symbolic_memory_operand, label_ref_operand,
2141         sp64_medium_pic_operand, data_segment_operand,
2142         text_segment_operand, splittable_symbolic_memory_operand,
2143         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
2144         eq_or_neq, normal_comp_operator, noov_compare_op,
2145         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
2146         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
2147         const64_operand, const64_high_operand, arith11_operand,
2148         arith10_operand, arith_double_operand, arith_double_4096_operand,
2149         arith_double_add_operand, arith11_double_operand,
2150         arith10_double_operand, small_int, small_int_or_double,
2151         uns_small_int, uns_arith_operand, clobbered_register,
2152         input_operand, compare_operand): Delete.
2153         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
2154         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
2155         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
2156         (GEN_HIGHINT64, GEN_INT64): Delete.
2157         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2158         gen_safe_XOR64): Adjust for above deletion.
2159         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
2160         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
2161         (legitimate_constant_p): Use const_zero_operand instead.
2162         (sparc_extra_constraint_check): Likewise.
2163         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
2164         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
2165         (PREDICATE_CODES): Delete.
2166         * config/sparc/sparc.md: Include predicates.md.
2167         (All patterns): Adjust for new predicate names.
2168         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
2169         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
2170         (movdi): Use general_operand predicate.
2171         (movdi_sp64_dbl): Delete.
2172         (movdi_const64_special): Add 'N' constraint.
2173         (movdicc): Use arith10_operand predicate.
2174         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
2175         (movdi_cc_reg_sp64): Use arith10_operand predicate.
2176         (movdi_cc_reg_sp64_trunc): Delete.
2177         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
2178         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
2179         (subdi3_sp32): Delete.
2180         (subdi3_insn_sp32): Change to define_insn_and_split.
2181         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
2182         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
2183         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
2184         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
2185         small_int_operand predicate.
2186         (divdi3, udivdi3): Use arith_operand predicate.
2187         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
2188         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
2189         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
2190         (xordi3_sp64_dbl): Delete.
2191         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2192         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
2193         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
2194         cmp_ccx_set_not): Use arith_operand predicate.
2195         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
2196         * config/sparc/predicates.md: New file.
2197
2198 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2199
2200         PR tree-optimization/14846
2201         * fold-const.c (fold_single_bit_test_into_sign_test): New,
2202         split out from ...
2203         (fold_single_bit_test): ... here.
2204         (fold_binary): Call fold_single_bit_test_into_sign_test
2205         instead of fold_single_bit_test.
2206
2207 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2208
2209         PR c++/20805
2210         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2211         is another declaration.
2212
2213 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
2214
2215         * config/cris/predicates.md: New file.
2216         * config/cris/cris-protos.h (cris_store_multiple_op_p)
2217         (cris_movem_load_rest_p): Declare.
2218         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
2219         (cris_movem_load_rest_p): Ditto.  Globalize.
2220         (cris_bdap_operand, cris_bdap_biap_operand,
2221         cris_orthogonal_operator, cris_commutative_orth_op,
2222         cris_operand_extend_operator,
2223         cris_additive_operand_extend_operator, cris_extend_operator,
2224         cris_plus_or_bound_operator, cris_mem_op,
2225         cris_general_operand_or_symbol,
2226         cris_general_operand_or_gotless_symbol,
2227         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
2228         cris_load_multiple_op): Remove predicate functions.
2229         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
2230         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
2231         * config/cris/cris.h (PREDICATE_CODES): Don't define.
2232         * config/cris/cris.md: Include predicates.md.
2233         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
2234
2235 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2236
2237         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
2238         * c-common.h (STMT_EXPR_STMT): Don't define.
2239         (STMT_EXPR_NO_SCOPE): Don't define.
2240         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
2241         * c-pretty-print.c (pp_c_primary_expression): Likewise.
2242         (pp_c_expression): Likewise.
2243
2244 2005-04-20  Richard Henderson  <rth@redhat.com>
2245
2246         PR target/21100
2247         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2248
2249 2005-04-20  Jeff Law  <law@redhat.com>
2250
2251         * reload1.c (reload): Ignore equivalences between pseudos and
2252         read only memory.
2253
2254 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
2255
2256         PR c/12913
2257         * c-tree.h (struct c_label_list): Update comment.
2258         (struct c_label_context): Rename to struct c_label_context_se.
2259         (label_context_stack): Rename to label_context_stack_se.
2260         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
2261         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
2262         c_end_vm_scope): New.
2263         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
2264         * c-decl.c (pop_scope): Call c_end_vm_scope.
2265         (pushdecl): Call c_begin_vm_scope for variably modified
2266         declarations.
2267         (define_label): Check for jumping into scope of identifier with
2268         variably modified type.  Push label on stack for those defined at
2269         current context of identifiers with variably modified type.
2270         (start_function): Create stack level for context of identifiers
2271         with variably modified type.
2272         (finish_function): Pop stack level for context of identifiers with
2273         variably modified type.
2274         * c-typeck.c (label_context_stack): Rename to
2275         label_context_stack_se.
2276         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
2277         (c_finish_goto_label): Check for jumping into scope of identifier
2278         with variably modified type.  Push label on stack for those jumped
2279         to from current context of identifiers with variably modified
2280         type.
2281         (struct c_switch): Add blocked_vm.
2282         (c_start_case): Initialize blocked_vm.
2283         (do_case): Check blocked_vm.
2284         (c_finish_case): Add comment.
2285         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
2286         variable label_context_stack.
2287
2288 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2289
2290         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
2291         conditional_replacement, value_replacement, abs_replacement,
2292         minmax_replacement.
2293         (replace_phi_edge_with_variable): Remove argument BB.
2294         (conditional_replacement, value_replacement,
2295         minmax_replacement, abs_replacement): Remove argument PHI_BB.
2296         Update a call to replace_phi_edge_with_variable.
2297
2298         * tree-ssa-phiopt.c: Fix comments.
2299
2300 2005-04-20  Michael Matz  <matz@suse.de>
2301
2302         PR20973
2303         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
2304         pseudos.
2305
2306 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2307
2308         * tree-ssa-phiopt.c: Fix comment typos.
2309
2310         PR tree-optimization/21116
2311         * tree-ssa-phiopt.c: Fix a typo.
2312
2313 2005-04-19  Richard Henderson  <rth@redhat.com>
2314
2315         * builtins.c (expand_builtin_sync_operation): Revert last change.
2316         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
2317         not vs new value.
2318         (expand_compare_and_swap_loop): Likewise.
2319         (expand_sync_operation): Remove fallback from NAND to AND; invert
2320         memory operand when expanding from cmpxchg.
2321         (expand_sync_fetch_operation): Likewise.
2322         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
2323         compare-and-swap.
2324
2325         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
2326         when implementing NAND.  Fix double-add for AFTER.
2327         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
2328         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2329         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
2330         memory value.
2331         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
2332         memory barrier.
2333
2334         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
2335         to return old memory value.
2336         (sync_compare_and_swap_cc<IMODE>): Likewise.
2337
2338         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
2339         return pre-reload.  Don't consider output or anti dependencies.
2340         * config/ia64/sync.md (IMODE): New.
2341         (modesuffix): Add QI and HI.
2342         (memory_barrier): Simplify expansion.
2343         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
2344         (cmpxchg_acq_<IMODE>): Likewise.
2345         (sync_lock_test_and_set<IMODE>): Likewise.
2346         (sync_lock_release<IMODE>): Likewise.
2347
2348 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2349
2350         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
2351         ~X or ~Y simplify.
2352
2353 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2354
2355         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
2356
2357 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
2358             Joseph S. Myers  <joseph@codesourcery.com>
2359
2360         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
2361         * c-typeck.c (build_c_cast): Check these options.
2362         * doc/invoke.texi: Document these options.
2363
2364 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2365
2366         * tree-ssa-phiopt.c: Update a comment about the pass.
2367
2368 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2369
2370         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
2371         config/mcore/mcore.c: Fix comment typos.
2372
2373 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
2374
2375         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
2376         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
2377
2378 2005-04-19  Paul Brook  <paul@codesourcery.com>
2379
2380         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
2381
2382 2005-04-19  Andrew Haley  <aph@redhat.com>
2383
2384         PR java/21022
2385         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
2386         looking at a field's bitpos.
2387
2388 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2389
2390         * system.h (fopen, fdopen, freopen): Define these to the unlocked
2391         libiberty functions.
2392
2393 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2394
2395         PR tree-optimization/21096
2396         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
2397
2398 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
2399
2400         PR target/21098
2401         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
2402         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
2403
2404 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
2405
2406         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
2407         refers to the function being dumped.
2408
2409 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
2410
2411         * varasm.c (assemble_start_function): Remove reset of in_section.
2412
2413 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2414
2415         PR tree-optimization/21085
2416         * fold-const (fold_binary): Don't change X % -C to X % C if C has
2417         overflowed.
2418
2419 2005-04-19  Ben Elliston  <bje@au.ibm.com>
2420
2421         * doc/invoke.texi (Optimize Options): Refer to the correct
2422         optimisation flag -ftree-dominator-opts, not -ftree-dom.
2423
2424 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
2425
2426         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
2427         alloca argument to be big enough.
2428
2429 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
2430
2431         PR middle-end/21049
2432         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
2433         cfun->cfg are NULL.
2434
2435 2005-04-18  Tom Tromey  <tromey@redhat.com>
2436
2437         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
2438         typo.
2439
2440 2005-04-18  Richard Henderson  <rth@redhat.com>
2441
2442         * config/alpha/alpha.c (alpha_split_atomic_op): New.
2443         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
2444         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
2445         * config/alpha/alpha-protos.h: Update.
2446         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
2447         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
2448         (attr type): Add ld_l, st_c, mb.
2449         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
2450         iornotsi3, xorsi_internal, xornotsi3): New.
2451         * config/alpha/ev4.md (ev4_ld): Add ld_l.
2452         (ev4_ist_c, ev4_mb): New.
2453         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
2454         (ev5_ld_l): New.
2455         * config/alpha/ev6.md (ev6_ild): Add ld_l.
2456         (ev6_ist): Add st_c.
2457         (ev6_mb): New.
2458         * config/alpha/sync.md: New file.
2459
2460 2005-04-18  Richard Henderson  <rth@redhat.com>
2461
2462         * builtins.c (expand_builtin_sync_operation): Fold nand to and
2463         for constants.
2464
2465         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
2466
2467 2005-04-18  Devang Patel  <dpatel@apple.com>
2468
2469         * config/rs6000/atlivec.md (mulv4si3): New pattern.
2470         
2471 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2472
2473         PR tree-optimization/20922
2474         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
2475         Fold X + c >= X and fold X - c <= X to true.
2476
2477 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2478
2479         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
2480         unsigned int.
2481         (emergency_labeled_state_free): Likewise.
2482
2483 2005-04-18  Nick Clifton  <nickc@redhat.com>
2484
2485         * config/h8300/h8300.md (jump): Remove prescan parameter from
2486         calls to final_scan_insn.
2487
2488         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
2489         parameter from calls to final_scan_insn.
2490
2491         * config.gcc (m68hc12): Use the m68hc11.opt file for target
2492         specific options.
2493         (v850e, v850e1): Use the v850.opt file for target specific
2494         options.
2495
2496 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
2497
2498         PR tree-optimization/21001
2499         * tree-optimize.c (init_tree_optimization_passes): Move the
2500         first pass_forwprop immediately before pass_vrp.
2501
2502 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2503
2504         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
2505         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
2506         from enum tree_code op to bool is_sizeof.
2507         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
2508         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
2509         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
2510         case.
2511         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
2512         cases.
2513         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
2514         ALIGNOF_EXPR cases.
2515
2516 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2517
2518         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
2519
2520 2005-04-17  Richard Henderson  <rth@redhat.com>
2521
2522         * config/alpha/alpha.c (va_list_skip_additions): Only define if
2523         TARGET_ABI_OSF.
2524         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
2525         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
2526         of indirection through ssa names while looking for the gpr counter
2527         field.
2528         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
2529         saved va_list_gpr_size and va_list_fpr_size.
2530
2531 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2532
2533         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
2534         both pointers or both integers.
2535
2536         * tree-vrp.c (maybe_add_assert_expr): Don't assert
2537         ASSERT_EXPRs for single-use variable.
2538
2539         * tree-into-ssa.c: Fix a comment typo.
2540
2541 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
2542
2543         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
2544         -mipsN before forcing a default of -mips2.
2545
2546 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2547
2548         * predict.h (IS_TAKEN): Remove.
2549         * rtl.h (NOTE_PREDICTION): Likewise.
2550
2551         * modulo-sched.c (CFG_HOOKS): Remove.
2552
2553         * c-parser.c (N_C_TTYPES): Remove.
2554
2555         * tree-flow-inline.h (get_stmt_operands): Remove.
2556         * lambda-code.c, tree-ssa-loop-unswitch.c,
2557         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
2558         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
2559         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
2560         calls to get_stmt_operands.
2561         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
2562
2563 2005-04-17  Richard Henderson  <rth@redhat.com>
2564
2565         PR target/20375
2566         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
2567         of CUMULATIVE_ARGS past the last named argument.
2568         (alpha_va_start): Expect pretend_args_size only if strictly less than
2569         6 named arguments.
2570
2571 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2572
2573         PR middle-end/21024
2574         * builtins.c (expand_builtin_strcat): Convert the result of
2575         strlen to the right type.
2576         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
2577         avoid creating type mismatches.
2578         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
2579         type mismatches.
2580
2581         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
2582
2583 2005-04-16  Richard Henderson  <rth@redhat.com>
2584
2585         PR target/21051
2586         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
2587         Use the mode of boolean_type_node when the user doesn't provide one.
2588         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
2589
2590 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
2591
2592         PR target/20126
2593         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
2594         (const)).
2595
2596         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
2597         comment.
2598
2599 2005-04-16  Roger Sayle  <roger@eyesopen.com>
2600             Steven Bosscher  <stevenb@suse.de>
2601
2602         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
2603         (fold_unary_to_constant): Likewise.
2604
2605 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
2606
2607         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
2608         PROP_ASM_SCAN.
2609
2610 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
2611
2612         * doc/install.texi (Specific): Avoid using asterisks in @anchor
2613         names related to target triplets.
2614         Remove i?86-*-esix from platform directory.
2615         Remove powerpc-*-eabiaix from platform directory.
2616
2617 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
2618
2619         PR middle-end/20491
2620         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
2621         falling through from SUBREG case to REG.
2622
2623 2005-04-15  Roger Sayle  <roger@eyesopen.com>
2624
2625         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
2626         (fold_binary): Update comment mentioning fold_relational_hi_lo.
2627         (fold_binary_to_constant): Simplify using fold_binary.
2628         (fold_unary_to_constant): Likewise, simplify using fold_unary.
2629
2630 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2631
2632         * gthr-posix.c (pthread_cancel): Define.
2633         (pthread_mutexattr_init): Likewise.
2634         (pthread_mutexattr_settype): Likewise.
2635         (pthread_mutexattr_destroy): Likewise.
2636
2637 2005-04-15  David S. Miller  <davem@davemloft.net>
2638
2639         PR target/20673
2640         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
2641
2642 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2643
2644         PR tree-optimization/21031
2645         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
2646         (forward_propagate_into_cond_1): Call it.  Forward propagate
2647         integer-integer casts into COND_EXPRs.
2648
2649 2005-04-15  Dave Korn  <dave.korn@artimi.com>
2650
2651         * gcc.c (default_compilers): Clarify obscure error message when
2652         reading from standard input.
2653
2654 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2655
2656         * basic-block.h (PROP_EQUAL_NOTES): Remove.
2657         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
2658
2659         * tree-ssa-alias.c (init_alias_info): Remove a call to
2660         get_stmt_operands.
2661
2662 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
2663
2664         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
2665         of non-virtual PHI nodes like we use to.
2666
2667 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
2668
2669         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
2670         (attr_copy_rtx): Do not use it.
2671
2672 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
2673
2674         * doc/tree-ssa.texi: Grammer/abbreviation updates.
2675
2676 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
2677
2678         * tree-vect-transform.c (vectorizable_store): Mark necessary
2679         objects in the vectorized store needing renaming.  Update the
2680         SSA graph for V_MAY_DEF operands in the original store.
2681
2682 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
2683
2684         * tree-ssa-pre.c (compute_avail): It's okay to have
2685         TREE_INVARIANT's here, and value number the resulting expressions.
2686         (create_expression_by_pieces): Make sure operands that were
2687         min_invariant when we started, stay that way.
2688
2689 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
2690
2691         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
2692
2693 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2694
2695         PR tree-optimization/20936.
2696         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
2697
2698 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2699
2700         * doc/invoke.texi: Fix typos.
2701         * doc/md.texi: Likewise.
2702         * doc/rtl.texi: Likewise.
2703         * doc/sourcebuild.texi: Likewise.
2704         * doc/tm.texi: Likewise.
2705
2706 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
2707
2708         PR tree-optimization/21004
2709         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
2710         and floorl in c99 mode only.
2711         * builtins.c (expand_builtin_int_roundingfn): Assert that
2712         fallback_fndecl is not NULL_TREE.
2713
2714 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2715
2716         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
2717         * basic-block.h: Update the prototype for
2718         purge_all_dead_edges.
2719         * cfgexpand.c (tree_expand_cfg): Update a call to
2720         purge_all_dead_edges.
2721         * combine.c (combine_instructions): Likewise.
2722         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
2723         rest_of_handle_cse2, rest_of_handle_gcse,
2724         rest_of_handle_postreload): likewise.
2725
2726 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
2727
2728         PR middle-end/20739
2729         * gimplify.c (gimplify_addr_expr): Compensate for removal of
2730         e.g. cv-qualification conversions.
2731
2732 2005-04-14  Mike Stump  <mrs@apple.com>
2733
2734         * config/darwin-c.c (framework_construct_pathname): We must
2735         find all headers of a framework in the first instance of it
2736         found in the seach path.
2737
2738 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
2739
2740         PR tree-optimization/21021
2741         * tree-vrp.c (compare_values): Work around a bug in the front
2742         end that produces a comparison of mismatched types.
2743
2744 2004-04-14  Richard Henderson  <rth@redhat.com>
2745
2746         * config/ia64/ia64.h (enum fetchop_code): Remove.
2747         (enum ia64_builtins): Move ...
2748         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
2749         members except BSP and FLUSHRS.
2750         (ia64_init_builtins): Remove __sync builtins.
2751         (ia64_expand_builtin): Likewise.
2752         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
2753         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
2754         (ia64_expand_lock_release): Remove.
2755         * config/ia64/ia64.md (mf): Move to sync.md.
2756         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
2757         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
2758         * config/ia64/sync.md: New file.
2759         (memory_barrier): Rename from mf.
2760         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
2761         (cmpxchg_acq_<I48MODE>): Likewise.
2762         (sync_lock_test_and_set<I48MODE>): Likewise.
2763
2764         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
2765         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
2766
2767 2004-04-14  Richard Henderson  <rth@redhat.com>
2768
2769         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
2770         (ix86_compare_emitted): New.
2771         (ix86_expand_compare): Use ix86_compare_emitted if set.
2772         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
2773         and ix86_compare_op0 are set.
2774         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
2775         (TARGET_CMPXCHG, TARGET_XADD): New.
2776         (ix86_compare_emitted): Declare.
2777         * config/i386/i386.md: Include sync.md
2778         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
2779         (UNSPECV_XCHG, UNSPECV_LOCK): New.
2780         * config/i386/sync.md: New file.
2781
2782 2004-04-14  Richard Henderson  <rth@redhat.com>
2783
2784         PR middle-end/14311
2785         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
2786         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
2787         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
2788         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
2789         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
2790         BT_FN_I8_VPTR_I8_I8): New.
2791         * builtins.def (DEF_SYNC_BUILTIN): New.
2792         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
2793         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
2794         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
2795         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
2796         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
2797         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
2798         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
2799         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
2800         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
2801         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
2802         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
2803         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
2804         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
2805         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
2806         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
2807         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
2808         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
2809         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
2810         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
2811         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
2812         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
2813         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
2814         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
2815         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
2816         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
2817         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
2818         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
2819         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
2820         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
2821         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
2822         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
2823         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
2824         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
2825         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
2826         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
2827         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
2828         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
2829         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
2830         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
2831         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
2832         BUILT_IN_SYNCHRONIZE: New.
2833         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
2834         as a function.  Accept __sync_ as a prefix as well.
2835         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2836         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
2837         expand_builtin_lock_release): New.
2838         (expand_builtin): Call them.
2839         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
2840         neither BOTH_P nor FALLBACK_P are defined.
2841         (builtin_type_for_size): New.
2842         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
2843         (resolve_overloaded_builtin): New.
2844         * c-common.h (resolve_overloaded_builtin): Declare.
2845         (builtin_type_for_size): Declare.
2846         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
2847         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
2848         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
2849         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
2850         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
2851         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
2852         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
2853         sync_compare_and_swap_cc, sync_lock_test_and_set,
2854         sync_lock_release): New.
2855         * optabs.h: Declare them.
2856         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
2857         expand_sync_operation, expand_sync_fetch_operation,
2858         expand_sync_lock_test_and_set): Declare.
2859         * genopinit.c (optabs): Add sync optabs.
2860         * optabs.c (init_optabs): Initialize sync optabs.
2861         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
2862         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
2863         expand_sync_operation, expand_sync_fetch_operation,
2864         expand_sync_lock_test_and_set): New.
2865         * doc/extend.texi (Atomic Builtins): New section
2866         * doc/md.texi (Standard Names): Add sync patterns.
2867
2868 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
2869
2870         * tree-eh.c (lower_try_finally_copy): Generate new code in
2871         response to goto_queue entries as if the queue was sorted by
2872         index, not pointers.
2873         (lower_try_finally_switch): Likewise.
2874
2875 2005-04-14  Richard Henderson  <rth@redhat.com>
2876
2877         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
2878         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
2879         register.
2880         (ix86_expand_fp_movcc): Update to match.
2881         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
2882         * config/i386/i386-protos.h: Update.
2883         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
2884         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
2885
2886 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
2887
2888         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
2889         refer to 4.0.
2890
2891 2005-04-14  Julian Brown  <julian@codesourcery.com>
2892
2893         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
2894         link failures on ppc64 Linux.
2895
2896 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2897
2898         * config.gcc: Set cpu_type for s390.
2899
2900 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
2901
2902         Fix PR tree-optimization/20963
2903         * tree-ssa-pre.c (compute_avail): Remove special case for
2904         TREE_INVARIANT.
2905         (create_expression_by_pieces): Add value numbers for forced out
2906         statements.
2907
2908 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
2909
2910         * config/cris/cris.md: Replace references to (reg:SI 16) with
2911         (reg:SI CRIS_SRP_REGNUM).
2912
2913 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
2914
2915         PR tree-optimization/20657
2916         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
2917         create an appropriate range from it.
2918
2919 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
2920
2921         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
2922         <UNSPEC_FIST_CEIL> case.
2923
2924         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
2925         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
2926         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
2927         to implement lfloor and llfloor built-ins as x87 intrinsic function.
2928         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
2929         (lfloor<mode>2): New expanders.
2930         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
2931         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
2932         to implement lceil and llceil built-ins as x87 intrinsic function.
2933         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
2934         (lceil<mode>2): New expanders.
2935
2936 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
2937
2938         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
2939         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
2940
2941 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
2942
2943         PR target/20927
2944         * config/s390/s390-modes.def: Define TFmode.
2945
2946 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
2947
2948         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
2949         (JUMP_TABLES_IN_TEXT_SECTION): Define.
2950         * config/mips/mips.c (mips16_insn_length): Remove reference to
2951         JUMP_TABLES_IN_TEXT_SECTION.
2952
2953 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
2954
2955         * simplify-rtx.c (simplify_binary_operation_1): Return
2956         scalar or vector of constant 0, depending on the xor's
2957         mode.
2958
2959 2005-04-13  Dale Johannesen  <dalej@apple.com>
2960
2961         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
2962         (objc-act.o):  Ditto.
2963         * objc/objc-act.c (objc_gimplify_expr):  New.
2964         (objc_get_callee_fndecl):  New.
2965         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
2966         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
2967         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
2968
2969 2005-04-13  Devang Patel  <dpatel@apple.com>
2970
2971         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
2972         temp variables.
2973
2974 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
2975
2976         CRIS prologue as RTL.
2977         * config/cris/cris-protos.h (cris_emit_movem_store)
2978         (cris_expand_prologue): Prototype.
2979         * config/cris/cris.c (struct machine_function): New member
2980         stdarg_regs.
2981         (cfa_label_num, cris_target_asm_function_prologue): Remove.
2982         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
2983         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
2984         (cris_load_multiple_op, cris_return_address_on_stack)
2985         (cris_return_address_on_stack_for_return): ISO-Cify.
2986         (cris_store_multiple_op): New predicate function.
2987         (cris_expand_prologue, cris_emit_movem_store): New functions.
2988         (cris_print_operand) <case 'O'>: Handle modifications other than
2989         post-increment.
2990         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
2991         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
2992         (cris_gen_movem_load): Rearrange slightly to make local variable
2993         src a parameter, removing osrc.
2994         (cris_setup_incoming_varargs): Set machine_function member
2995         stdarg_regs to correspond to the number of registers that need to
2996         be saved.
2997         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
2998         CRIS_UNSPEC_GOT.
2999         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3000         cris_general_operand_or_gotless_symbol accept UNSPEC.
3001         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3002         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3003         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3004         this and "*cris_load_multiple".
3005         ("prologue"): New define_expand.
3006
3007         * config/cris/cris.md ("epilogue"): Conditionalize on
3008         TARGET_PROLOGUE_EPILOGUE.
3009
3010 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3011
3012         PR target/20924
3013         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3014         fpsr 0 instead of fpsr 1.
3015         (divsf3_internal_thr): Ditto.
3016         (divdf3_internal_lat): Ditto.
3017         (divdf3_internal_thr): Ditto.
3018         (divxf3_internal_lat): Ditto.
3019         (divxf3_internal_thr): Ditto.
3020
3021 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3022
3023         PR tree-optimization/20913
3024         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3025
3026         PR tree-optimization/20702
3027         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3028         dominator children that haven't been walked into.
3029
3030 2005-04-13  Julian Brown  <julian@codesourcery.com>
3031
3032         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3033         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3034         is true.
3035
3036 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3037
3038         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3039         config/i386/sse.md: Fix comment typos.
3040
3041         * genattrtab.c (NULL_ATTR): Remove.
3042         * ifcvt.c (NULL_EDGE): Likewise.
3043
3044         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3045
3046         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3047         NOTE_PREDICT): Remove.
3048
3049 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3050
3051         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3052         * configure: Regenerate.
3053         * config.in: Likewise.
3054         * system.h: Declare vsnprintf if not already declared.
3055
3056 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3057
3058         * optc-gen.awk: Handle stand-alone Mask records.
3059         * opth-gen.awk: Likewise.
3060         * doc/options.texi (Option file format): Document them.
3061         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3062         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3063         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3064         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3065         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3066         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3067         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3068         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3069         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3070         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3071         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3072         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3073         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3074         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3075         TARGET_LONG_DOUBLE_128): Likewise.
3076         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3077         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3078         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3079         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3080         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3081         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3082         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3083         * config/sparc/sparc.c (fpu_option_set): New global.
3084         (sparc_handle_option): New function.
3085         (sparc_override_options): Test fpu_option_set.
3086         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
3087         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
3088         * config/sparc/sparc.opt: New file.
3089         * config/sparc/little-endian.opt: Likewise.
3090         * config/sparc/long-double-switch.opt: Likewise.
3091
3092 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3093
3094         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
3095         (bfin_handle_options): Set it if -mshared-library-id= is seen.
3096         * config/bfin/bfin.opt (mshared-library-id=): Lose
3097         Var(bfin_lib_id_given).
3098
3099 2005-04-13  Matt Thomas  <matt@3am-software.com>
3100
3101         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3102         defining.
3103
3104 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3105
3106         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3107
3108         * cgraphunit.c (INSNS_PER_CALL): Remove.
3109
3110         * tree-ssa-forwprop.c (vars,
3111         record_single_argument_cond_exprs,
3112         substitute_single_use_vars): Remove.
3113         (forward_propagate_into_cond_1, forward_propagate_into_cond):
3114         New.
3115         (tree_ssa_forward_propagate_single_use_vars): Call
3116         forward_propagate_into_cond for each COND_EXPR.
3117
3118         * tree-inline.c (INSNS_PER_STMT): Remove.
3119
3120 2005-04-12  Richard Henderson  <rth@redhat.com>
3121
3122         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
3123         (ix86_expand_sse_fp_minmax): ... from ...
3124         (ix86_expand_fp_movcc): ... here.
3125         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
3126         * config/i386/i386-protos.h: Update.
3127         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
3128         (sse_setccsf, sse_setccdf): Allow before reload.
3129         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
3130         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
3131         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
3132         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
3133         (anddf3, nanddf3, iordf3, xordf3): New.
3134
3135 2005-04-12  Jeff Law  <law@redhat.com>
3136
3137         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
3138         (tree-ssa-uncprop.o): Add dependencies.
3139         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
3140         * tree-flow.h (remove_useless_stmts): Remove prototype.
3141         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3142         remove_useless_stmts.
3143         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
3144         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
3145         * tree-pass.h (pass_uncprop): Declare.
3146         * tree-ssa-uncprop.c: New file.
3147
3148 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3149
3150         PR target/20670
3151         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3152
3153 2005-04-12  Caroline Tice  <ctice@apple.com>
3154
3155         Temporary fix for partitioning problems.
3156         * passes.c (rest_of_handle_final): Remove code that
3157         frees unlikely_text_section_name,
3158         * varasm.c (assemble_start_function): Test for partitioning
3159         flag before writing out section labels.
3160         (assemble_end_function): Test for partitioning flag before
3161         writing out section labels.
3162
3163 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3164             Stuart Hastings <stuart@apple.com>
3165             Jan Hubicka  <jh@suse.cz>
3166
3167         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
3168         references to gt-tree-cfg.h.
3169         * basic-block.h (struct basic_block_def): Don't skip rbi
3170         for garbage collection.
3171         (struct reorder_block_def): Make GTY-able.
3172         (struct control_flow_graph): New structure.
3173         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
3174         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
3175         but instead defines to the control_flow_graph for cfun.
3176         (label_to_block_map): New define, points to the label map of
3177         the control_flow_graph for cfun.
3178         (n_edges_for_function, n_basic_blocks_for_function,
3179         last_basic_block_for_function, basic_block_info_for_function,
3180         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
3181         basic_block_info_for_function, label_to_block_map_for_function):
3182         Counterparts for the above, taking a struct function as an extra
3183         argument.
3184         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
3185         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
3186         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
3187         (alloc_rbi_pool, free_rbi_pool): Remove.
3188         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
3189         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
3190         here...
3191         (cfg_layout_finalize) ... and don't free it here.
3192         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
3193         garbage collected.
3194         * flow.c (free_basic_block_vars): Set label_to_block_map and
3195         n_edges to zero too.
3196         * function.h (struct function): Add cfg field.
3197         * function.c (allocate_struct_function): Allocate the cfg.
3198         * tree-cfg.c (label_to_block_map): Remove.
3199         (build_tree_cfg): Don't allocate the rbi pool here...
3200         (delete_tree_cfg_annotations): ...and don't free it here.
3201         Also don't nullify label_to_block_map for cfun.
3202
3203 2005-04-12  Caroline Tice  <ctice@apple.com>
3204
3205         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3206         Revert my patch from April 9.
3207         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
3208         (reorder_basic_blocks): Revert my patch from April 9.
3209         (insert_section_boundary_note): Revert my patch from April 9.
3210         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
3211         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
3212         (COLD_END_LABEL):  Revert my patch from April 9.
3213         (cold_text_section_label):  Revert my patch from April 9.
3214         (cold_end_label): Revert my patch from April 9.
3215         (dwarf2out_switch_text_section): Revert my patch from April 9.
3216         (output_aranges): Revert my patch from April 9.
3217         (output_ranges):  Revert my patch from April 9.
3218         (output_line_info): Revert my patch from April 9.
3219         (add_location_or_const_value_attribute):  Revert my patch from April 9.
3220         (dwarf2out_var_location): Revert my patch from April 9.
3221         (dwarf2out_init):  Revert my patch from April 9.
3222         (dwarf2out_finish): Revert my patch from April 9.
3223         * function.h (struct function): Revert my patch from April 9.
3224         * opts.c (decode_options): Revert my patch from April 9.
3225         * output.h (unlikely_section_label, hot_section_label,
3226         hot_section_end_label, cold_section_end_label,
3227         unlikely_text_section_name): Revert my patch from April 9.
3228         * passes.c (rest_of_handle_final): Revert my patch from April 9.
3229         * varasm.c (unlikely_section_label, hot_section_label,
3230         hot_section_end_label, cold_section_end_label,
3231         unlikely_text_section_name): Revert my patch from April 9.
3232         (initialize_cold_section_name): Revert my patch from April 9.
3233         (unlikely_text_section): Revert my patch from April 9.
3234         (in_unlikely_text_section): Revert my patch from April 9.
3235         (named_section): Revert my patch from April 9.
3236         (function_section): Revert my patch from April 9.
3237         (current_function_section): Revert my patch from April 9.
3238         (assemble_start_function): Revert my patch from April 9.
3239         (assemble_end_function): Revert my patch from April 9.
3240         (default_section_type_flags_1): Revert my patch from April 9.
3241
3242 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3243
3244         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
3245         * config/sparc/sparc.md (untyped_call): Save the registers manually.
3246
3247         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3248
3249 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
3250
3251         PR middle-end/20917
3252         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
3253         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
3254
3255 2004-04-12  Richard Henderson  <rth@redhat.com>
3256
3257         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
3258         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
3259         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
3260         (UNSPEC_*, UNSPECV_*): Renumber.
3261
3262 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
3263
3264         PR mudflap/19266
3265         From Richard Henderson <rth@redhat.com>:
3266         * tree-mudflap.c (mf_build_check_statement_for): Correct block
3267         splitting logic.
3268
3269 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
3270
3271         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
3272
3273 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3274
3275         * config/bfin/bfin.c (bfin_library_id_string): Remove.
3276         (bfin_library_id): New variable.
3277         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
3278         instead of bfin_library_id_string.
3279         (bfin_handle_option): New function.
3280         (override_options): Remove most code to deal with shared library IDs,
3281         just check they aren't used without -mid-shared-library.
3282         (TARGET_HANDLE_OPTION): Define.
3283         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
3284         * config/bfin/bfin.opt (mshared-library-id=): New.
3285
3286 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
3287
3288         * tree-vect-transform.c: Fix comment typos.
3289
3290 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
3291
3292         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
3293         split critical edges when not possible/profitable.
3294
3295 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3296
3297         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
3298         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
3299         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
3300         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
3301         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
3302         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
3303         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
3304         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
3305         MASK_NO_BITFIELD.
3306         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
3307         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3308         * config/ns32k/ns32k.opt: New file.
3309
3310 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3311
3312         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
3313         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
3314         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
3315         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
3316         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
3317         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
3318         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
3319         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
3320         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
3321         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
3322         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
3323         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
3324         (MASK_COLDFIRE): Formatting fixes.
3325         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
3326         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
3327         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
3328         "_current_shared_library_a5_offset_".
3329         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3330         (MASK_ALL_CPU_BITS): New macro.
3331         (m68k_handle_option): New function.
3332         (override_options): Remove handling of m68k_library_id_string.
3333         * config/m68k/m68k.opt: New file.
3334         * config/m68k/ieee.opt: New file.
3335
3336 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
3337
3338         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3339         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
3340         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3341         (TARGET_CXX): Adjust accordingly.
3342         * target.h (struct gcc_target): Remove epxort_class_data.  Add
3343         determine_class_data_visibility and class_data_always_comdat.
3344         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3345         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
3346         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3347         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
3348         (arm_cxx_determine_class_data_visibility): New.
3349         (arm_cxx_class_data_always_comdat): Likewise.
3350         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3351         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
3352         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3353         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
3354         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
3355         Define.
3356
3357 2005-04-11  Devang Patel  <dpatel@apple.com>
3358
3359         * tree-data-ref.c (build_classic_dist_vector,
3360         compute_subscript_distance): Make externally visible.
3361         * tree-data-ref.h (build_classic_dist_vector,
3362         compute_subscript_distance): Same.
3363         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
3364         Check distance vector against vectorization factor.
3365         (vect_analyze_loop): Determine vectorizaion factor before
3366         analyzing data dependences.
3367         * tree-vectorizer.c (loops_num): Make it externally visible and
3368         rename ...
3369         * tree-vectorizer.c (vect_loops_num): ... new name.
3370         * tree-vectorizer.h  (vect_loops_num): New.
3371
3372 2005-04-11  Devang Patel  <dpatel@apple.com>
3373
3374         * tree-vect-analyze.c (vect_analyze_operations): Check
3375         vectorizable codition.
3376         * tree-vect-transform.c (vect_is_simple_cond): New function.
3377         (vectorizable_condition): New function.
3378         (vect_transform_stmt): Handle condition_vec_info_type.
3379         * tree-vectorizer.h (enum stmt_vec_info_type): Add
3380         condition_vec_info_type.
3381         (vectorizable_condition): New.
3382
3383 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
3384
3385         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
3386         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
3387         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
3388
3389         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
3390         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
3391
3392         * dwarf2out.c (output_line_info): Don't try to dereference
3393         a NULL current_function_decl.
3394
3395         * config/t-slibgcc-darwin: Don't put shared libraries in
3396         directories other than $(slibdir).
3397         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
3398         OS uses for it.
3399
3400 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3401
3402         PR tree-optimization/20933
3403         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
3404         logic to reject aliases between read-only and writable
3405         variables ...
3406         (may_alias_p): ... here.
3407         (get_tmt_for): Do not associate read-only tags to pointers
3408         whose pointed-to type is not read-only.
3409         * tree-ssa.c (verify_ssa): Check that memory stores have at
3410         least one V_MAY_DEF or V_MUST_DEF.
3411
3412 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3413
3414         PR/17092
3415         * configure.ac (gcc_UNLOCKED_FUNCS): New.
3416         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
3417         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
3418         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
3419         _unlocked function.
3420         (fwrite_unlocked): Fix prototype.
3421
3422         * configure, config.in: Regenerate.
3423
3424 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
3425
3426         * tree-ssa-loop-im.c: Include real.h.
3427         (determine_invariantness_stmt): If real division divisor is
3428         invariant and flag_unsafe_math_optimizations enabled, generate
3429         invariant reciprocal for hoisting.
3430         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
3431
3432 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3433
3434         Fix PR tree-optimization/20926
3435
3436         * tree-ssa-alias.c (add_type_alias): Handle subvars.
3437
3438 2005-04-11  Devang Patel  <dpatel@apple.com>
3439
3440         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
3441         operand ordering.
3442
3443 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3444
3445         * fold-const.c (fold_binary_op_with_conditional_arg):
3446         use fold_buildN instead of "fold (buildN" in some
3447         non obvious places.
3448         (fold_unary): Likewise.
3449         (fold_binary): Likewise.
3450
3451 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3452
3453         Fix PR tree-optimization/20612
3454         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
3455         handling
3456         (perfect_nestify): preheaderbb is *not* part of loop of the
3457         old destination.
3458
3459 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3460
3461         * tree-ssa-alias.c (may_alias_p): If the variable
3462         is a global variable and the pointer is parameter
3463         and -fargument-noalias-global is used, then
3464         the pointer cannot alias the variable.
3465
3466 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
3467
3468         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
3469         * config/sparc/sparc.h: Likewise.
3470         * config/sparc/sparc.md: Likewise.
3471
3472 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
3473
3474         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
3475
3476         * tree-vrp.c: Fix a comment typo.
3477
3478 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3479
3480         PR tree-optimization/20920
3481         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
3482         SSA_NAME flows through an abnormal edge.
3483         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
3484         through abnormal edges.
3485         (maybe_add_assert_expr): Likewise.
3486
3487 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
3488
3489         * config/s390/s390.h (s390_tune_string, s390_arch_string)
3490         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
3491         (s390_stack_size_string, s390_stack_guard_string, target_flags)
3492         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
3493         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
3494         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
3495         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
3496         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
3497         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
3498         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
3499         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3500         (TARGET_HANDLE_OPTION): Likewise.
3501         (s390_tune): Initialize to PROCESSOR_max.
3502         (s390_arch_string): Make static.
3503         (s390_tune_string, s390_warn_framesize_string): Delete.
3504         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
3505         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
3506         (s390_handle_arch_option, s390_handle_option): New functions.
3507         (override_options): Remove parsing of option strings.
3508         * config/s390/s390.opt: New file.
3509
3510 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3511
3512         * tree-complex.c (expand_vector_operations): Call
3513         update_stmt_if_modified.
3514
3515 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3516
3517         * tree-vect-analyze (vect_determine_vectorization_factor):
3518         Do not use GET_MODE_NUNITS.
3519         * tree-vect-transform.c (vect_get_vec_def_for_operand,
3520         (vectorizable_load, vect_transform_loop): Likewise.
3521
3522 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
3523
3524         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
3525         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
3526         * optabs.h (enum optab_index): Add new OTI_lceil.
3527         (lceil_optab): Define corresponding macro.
3528         * optabs.c (init_optabs): Initialize lceil_optab.
3529         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
3530         and lceildi2 patterns.
3531         * builtins.c (expand_builtin_int_roundingfn): Handle
3532         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
3533         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
3534         BUILT_IN_LLCEIL{,F,L}.
3535         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
3536         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
3537         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
3538         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
3539         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
3540         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
3541         into lceil built-in function and (long long int)ceil{,f,l} into
3542         llceil built-in function.
3543         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
3544         BUILT_IN_LLCEIL.
3545
3546 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3547
3548         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
3549         zero.
3550
3551 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
3552
3553         * config/arm/arm.c: Fix a comment typo.
3554         * doc/tree-ssa.texi: Fix a typo.
3555
3556 2005-04-10  Steven Bosscher  <stevenb@suse.de>
3557
3558         * cselib.c (clear_table): Rename to cselib_clear_table.
3559         * cselib.h (cselib_clear_table): Add prototype.
3560         * gcse.c (gcse_main): Make 'f' argument unused.
3561         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
3562         of each basic block instead.
3563         (compute_sets, compute_hash_table_work): Likewise.
3564         (constprop_register): Change int 'alter_jumps' argument to bool.
3565         (do_local_cprop): Likewise.
3566         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
3567         the insn chain.  Explicitly clear the cselib tables after finishing
3568         one basic block.  Make sure there are no unterminated libcall blocks.
3569         Update compute_sets call.
3570         (cprop): Walk basic blocks instead of the insn chain.
3571         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
3572         Likewise.
3573         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
3574         one_cprop_pass calls.
3575
3576 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
3577
3578         * combine.c (combine_simplify_rtx): Remove a transformation that
3579         relies on an invalid assumption about rtl sign-extension semantics.
3580
3581 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
3582
3583         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
3584         to build_int_cst_wide.
3585
3586 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
3587
3588         PR target/20126
3589         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
3590         set the original address pseudo to the correct value before the
3591         original insn, if possible, and leave the insn alone, otherwise
3592         create a new pseudo, set it and replace it in the insn.
3593         * recog.c (validate_change_maybe_volatile): New.
3594         * recog.h (validate_change_maybe_volatile): Declare.
3595
3596 2005-04-09  Caroline Tice  <ctice@apple.com>
3597
3598         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3599         Remove targetm.have_named_sections test.
3600         (fix_edges_for_rarely_executed_code): Likewise.
3601         (insert_section_boundary_note): Likewise.
3602         (reorder_basic_blocks): Check partitioning flag before calling
3603         verify_hot_cold_block_grouping.
3604         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3605         the function struct rather than global variables.
3606         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3607         (COLD_END_LABEL): Likewise
3608         (cold_text_section_label): New static global variable.
3609         (cold_end_label): Likewise.
3610         (dwarf2out_switch_text_section): Get hot/cold section labels from
3611         the function struct rather than global variables.
3612         (output_aranges): Use cold_text_section_label and cold_end_label;
3613         check partitioning flag before putting out delta.
3614         (output_ranges): Remove incorrect code attempting to use
3615         hot/cold labels.
3616         (output_line_info): Get cold section label from function struct.
3617         (add_location_or_const_value_attribute): Likewise.
3618         (get_subprogram_die): Get hot/cold section labels from function struct.
3619         (dwarf2out_var_location): Likewise.
3620         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3621         write out cold_text_section_label if partition flag is set.
3622         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3623         * function.h (struct function): Add new fields to point to hot/cold
3624         section labels: hot_section_label, cold_section_label,
3625         hot_section_end_label and cold_section_end_label; also add new field
3626         for cold text section name, unlikely_text_section_name.
3627         * opts.c (decode_options): Turn off partitioning flag if
3628         !targetm.have_named_sections.
3629         * output.h (hot_section_label): Remove.
3630         (hot_section_end_label): Remove.
3631         (cold_section_end_label): Remove.
3632         (unlikely_section_label): Remove.
3633         (unlikely_text_section_name): Remove.
3634         * passes.c (rest_of_handle_final):  Remove code that frees
3635         unlikely_text_section_name.
3636         * varasm.c (unlikely_section_label): Remove.
3637         (hot_section_label): Remove.
3638         (hot_section_end_label): Remove.
3639         (cold_section_end_label): Remove.
3640         (unlikely_text_section_name):  Remove.
3641         (initialize_cold_section_name): Modify to call
3642         targetm.strip_name_encoding; to store cold section name in current
3643         function struct, if it exists; and to only use the decl_section_name
3644         if flag_named_sections is true.
3645         (unlikely_text_section): Modify to get section name out of current
3646         function struct, if there is one; otherwise build it from
3647         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3648         (in_unlikely_text_section): Likewise.
3649         (named_section): Modify to get/put cold section name in current function
3650         struct, if there is one.
3651         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3652         targetm.have_named_sections before calling named_section.
3653         (current_function_section): Likewise.
3654         (assemble_start_function): Modify to get/put unlikely_text_section_name
3655         in current function struct; modify to get hot/cold section labels
3656         from function struct; initialize labels using
3657         ASM_GENERATE_INTERNAL_LABEL;
3658         test partitioning flag before writing out hot section label.
3659         (assemble_end_function): Test partitioning flag before writing out
3660         hot/cold section labels.
3661         (default_section_type_flags_1):  Modify to use array instead of
3662          char* for unlikely_text_section_name; set flags correctly for
3663          cold text section if there is not a current function decl.
3664
3665 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
3666
3667         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3668         and TI_VA_LIST_FPR_COUNTER_FIELD.
3669         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3670         * tree-pass.h (pass_stdarg): Add.
3671         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3672         * tree-stdarg.c: New file.
3673         * tree-stdarg.h: New file.
3674         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3675         (tree-stdarg.o): Add dependencies.
3676         * function.h (struct function): Add va_list_gpr_size and
3677         va_list_fpr_size fields.
3678         * function.c (allocate_struct_function): Initialize them.
3679         * target.h (struct gcc_target): Add stdarg_optimize_hook.
3680         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
3681         (TARGET_INITIALIZER): Add it.
3682
3683         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3684         va_list_{g,f}pr_counter_field.
3685         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3686         area will not be used.  Only save registers that tree-stdarg.c
3687         detected they need saving.
3688         (ix86_va_start): Don't set up fields that won't be used.
3689
3690         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3691         va_list_{g,f}pr_counter_field.
3692         (setup_incoming_varargs): Don't do anything if reg_save
3693         area will not be used.  Only save registers that tree-stdarg.c
3694         detected they need saving.
3695         (rs6000_va_start): Don't set up fields that won't be used.
3696
3697         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
3698         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
3699         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
3700         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
3701
3702 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
3703
3704         PR target/20795
3705         * config/i386/i386.c (construct_container): Pass empty aligned
3706         struct, union or class in memory.
3707
3708 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
3709
3710         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
3711         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
3712         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
3713         config/rs6000/predicates.md: Fix comment typos.
3714
3715         * sched-int.h (haifa_insn_data): Remove blockage and units.
3716         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
3717         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
3718         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
3719
3720 2005-04-09  Jan Hubicka  <jh@suse.cz>
3721             Steven Bosscher  <stevenb@suse.de>
3722
3723         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
3724         * cfgloop.c (get_loop_exit_edges): Likewise.
3725         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
3726         (unloop): Likewise.
3727         * loop-unroll.c (analyze_insns_in_loop): Likewise.
3728         * tree-cfg.c (dump_cfg_status): Likewise.
3729
3730 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
3731
3732         * config/rs6000/predicates.md (altivec_register_operand): Remove
3733         redundant match_code test.
3734         (gpc_reg_operand): Same.
3735         (cc_reg_operand): Same.
3736         (cc_reg_not_cr0_operand): Same.
3737
3738 2005-04-09  Jan Hubicka  <jh@suse.cz>
3739
3740         Forgotten hunk from my last merge patch:
3741         * final.c (output_addr_const): Do not call mark_referenced.
3742
3743 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
3744
3745         * doc/tree-ssa.texi: Add immediate use documentation.
3746
3747 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
3748
3749         * arm.c (FL_WBUF): Define.
3750         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
3751         (arm_is_6_or_7): Delete.
3752         (arm_tune_wbuf): New.
3753         (arm_override_options): Set arm_tune_wbuf.
3754         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
3755         (arm_is_6_or_7): Delete declaration.
3756         (arm_tune_wbuf): New declartion.
3757         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
3758         (model_wbuf): Derive from arm_tune_wbuf.
3759         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
3760         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
3761         (arm740t): Mark CPUs as having a write buffer.
3762
3763 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
3764
3765         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
3766         of 'const_double_operand' in operand 2 constraints.  Update enable
3767         condition.
3768
3769 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
3770
3771         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
3772         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
3773         * optabs.h (enum optab_index): Add new OTI_lfloor.
3774         (lfloor_optab): Define corresponding macro.
3775         * optabs.c (init_optabs): Initialize lfloor_optab.
3776         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
3777         and lfloordi2 patterns.
3778         * builtins.c (expand_builtin_int_roundingfn): New prototype.
3779         (expand_builtin_int_roundingfn): New function.
3780         (fold_builtin_int_roundingfn): New prototype.
3781         (fold_builtin_int_roundingfn): New function, renamed from
3782         fold_builtin_lround.
3783         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
3784         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
3785         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
3786         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
3787         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
3788         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
3789         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
3790         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
3791         into lfloor built-in function and (long long int)floor{,f,l} into
3792         llfloor built-in function.
3793         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
3794         BUILT_IN_LLFLOOR.
3795
3796 2005-04-08  Ian Lance Taylor  <ian@airs.com>
3797
3798         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
3799         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
3800         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
3801         (DO_COND, DO_BODY): Likewise.
3802         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
3803         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
3804         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
3805         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
3806         (build_continue_stmt, build_break_stmt): Don't declare.
3807         (c_do_switch_warnings): Update declaration.
3808         * c-gimplify.c (enum bc_t): Remove.
3809         (struct c_gimplify_ctx, ctxp): Remove.
3810         (push_context, pop_context): Remove static functions.
3811         (c_genericize): Don't call push_context or pop_context.
3812         (begin_bc_block, finish_bc_block): Remove static functions.
3813         (build_bc_goto): Likewise.
3814         (gimplify_c_loop): Likewise.
3815         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
3816         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
3817         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
3818         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
3819         * c-common.c (c_do_switch_warnings): Rename from
3820         c_do_switch_warnings_1.
3821         (c_do_switch_warnings) [old version]: Remove.
3822         (c_do_switch_expr_warnings): Remove.
3823         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
3824         function instead of c_do_switch_expr_warnings.
3825         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
3826         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
3827         * c-pretty-print.c (pp_c_statement): Likewise.
3828         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
3829
3830 2005-04-08  Devang Patel  <dpatel@apple.com>
3831
3832         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
3833         While selecting replacement condition pay attention to loop header.
3834
3835 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
3836
3837         Merge from tree-cleanup-branch: VRP, store CCP, store
3838             copy-prop, incremental SSA updating of FUD chains and
3839             newly exposed symbols.
3840
3841         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
3842         (OBJS-common): Add tree-vrp.o.
3843         (tree-vrp.o): New rule.
3844         * basic-block.h (nearest_common_dominator_for_set): Declare.
3845         * common.opt (ftree-store-ccp): New flag.
3846         (ftree-copy-prop): New flag.
3847         (ftree-vrp): New flag.
3848         (ftree-store-copy-prop): New flag.
3849         * dominance.c (nearest_common_dominator_for_set): New.
3850         * domwalk.c (walk_dominator_tree): Only traverse
3851         statements in blocks marked in walk_data->interesting_blocks.
3852         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
3853         * fold-const.c (fold): Handle ASSERT_EXPR.
3854         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
3855         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
3856         flag_tree_vrp at -O2.
3857         * timevar.def (TV_TREE_VRP): Define.
3858         (TV_TREE_COPY_PROP): Define.
3859         (TV_TREE_STORE_COPY_PROP): Define.
3860         (TV_TREE_SSA_INCREMENTAL): Define.
3861         (TV_TREE_STORE_CCP): Define.
3862         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
3863         to kill_redundant_phi_nodes from comment.
3864         (verify_expr): Handle ASSERT_EXPR.
3865         * tree-dfa.c (mark_new_vars_to_rename): Remove second
3866         argument.  Update all users.
3867         (mark_call_clobbered_vars_to_rename): Remove.  Update all
3868         users.
3869         * tree-flow-inline.h (unmodifiable_var_p): New.
3870         * tree-flow.h (enum value_range_type): Declare.
3871         (struct value_range_def): Declare.
3872         (value_range): Declare.
3873         (remove_all_phi_nodes_for): Remove.  Update all users.
3874         (find_phi_node_for): Declare.
3875         (add_type_alias): Declare.
3876         (count_uses_and_derefs): Declare.
3877         (kill_redundant_phi_nodes): Remove.
3878         (rewrite_into_ssa): Remove.
3879         (rewrite_def_def_chains): Remove.
3880         (update_ssa, register_new_name_mapping, create_new_def_for,
3881         need_ssa_update_p, name_registered_for_update_p,
3882         release_ssa_name_after_update_ssa, dump_repl_tbl,
3883         debug_repl_tbl, dump_names_replaced_by,
3884         debug_names_replaced_by, mark_sym_for_renaming,
3885         mark_set_for_renaming, get_current_def, set_current_def,
3886         get_value_range, dump_value_range, debug_value_range,
3887         dump_all_value_ranges, debug_all_value_ranges,
3888         expr_computes_nonzero, loop_depth_of_name,
3889         unmodifiable_var_p): Declare.
3890         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
3891         ASSERT_EXPR.
3892         * tree-into-ssa.c (block_defs_stack): Update comment.
3893         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
3894         syms_to_rename, names_to_release, repl_tbl,
3895         need_to_initialize_update_ssa_p, need_to_update_vops_p,
3896         need_to_replace_names_p): New locals.
3897         (NAME_SETS_GROWTH_FACTOR): Define.
3898         (struct repl_map_d): Declare.
3899         (struct mark_def_sites_global_data): Add field
3900         interesting_blocks.
3901         (enum rewrite_mode): Declare.
3902         (REGISTER_DEFS_IN_THIS_STMT): Define.
3903         (compute_global_livein): Use last_basic_block instead of
3904         n_basic_blocks.
3905         (set_def_block): Remove last argument.  Update all callers.
3906         (prepare_use_operand_for_rename): Remove.  Update all callers.
3907         (prepare_def_operand_for_rename): Remove.  Update all callers.
3908         (symbol_marked_for_renaming): New.
3909         (is_old_name): New.
3910         (is_new_name): New.
3911         (repl_map_hash): New.
3912         (repl_map_eq): New.
3913         (repl_map_free): New.
3914         (names_replaced_by): New.
3915         (add_to_repl_tbl): New.
3916         (add_new_name_mapping): New.
3917         (mark_def_sites): Assume that all the operands in the
3918         statement are in normal form.
3919         (find_idf): Assert that the block in the stack is valid.
3920         (get_default_def_for): New.
3921         (insert_phi_nodes_for): Add new argument 'update_p'.
3922         Add documentation.
3923         If update_p is true, add a new mapping between the LHS of
3924         each new PHI and the name that it replaces.
3925         (insert_phi_nodes_1): Only call find_idf if needed.
3926         (get_reaching_def): Call get_default_def_for.
3927         (rewrite_operand): Remove.
3928         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
3929         and REWRITE_THIS_STMT are false.
3930         Assume that all the operands in the statement are in
3931         normal form.
3932         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
3933         (rewrite_virtual_phi_arguments): Remove.
3934         (invalidate_name_tags): Remove.
3935         (register_new_update_single, register_new_update_set,
3936         rewrite_update_init_block, replace_use,
3937         rewrite_update_fini_block, rewrite_update_stmt,
3938         rewrite_update_phi_arguments): New.
3939         rewrite_blocks): Remove argument 'fix_virtual_phis'.
3940         Add arguments 'entry', 'what' and 'blocks'.
3941         Initialize the dominator walker according to 'what' and
3942         'blocks'.
3943         Start the dominator walk at 'entry'.
3944         (mark_def_site_blocks): Add argument 'interesting_blocks'.
3945         Use it to configure the dominator walker.
3946         (rewrite_into_ssa): Remove argument 'all'.
3947         Make internal.
3948         (rewrite_all_into_ssa): Remove.
3949         (rewrite_def_def_chains): Remove.
3950         (mark_def_interesting, mark_use_interesting,
3951         prepare_phi_args_for_update, prepare_block_for_update,
3952         prepare_def_site_for, prepare_def_sites,
3953         dump_names_replaced_by, debug_names_replaced_by,
3954         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
3955         delete_update_ssa, create_new_def_for,
3956         register_new_name_mapping, mark_sym_for_renaming,
3957         mark_set_for_renaming, need_ssa_update_p,
3958         name_registered_for_update_p, ssa_names_to_replace,
3959         release_ssa_name_after_update_ssa,
3960         insert_updated_phi_nodes_for, update_ssa): New.
3961         * tree-loop-linear.c (linear_transform_loops): Call
3962         update_ssa instead of rewrite_into_ssa.
3963         * tree-optimize.c (vars_to_rename): Remove.
3964         Update all users.
3965         (init_tree_optimization_passes): Replace
3966         pass_redundant_phi with pass_copy_prop.
3967         Add pass_vrp.
3968         Replace pass_ccp with pass_store_ccp.
3969         Add pass_store_copy_prop after pass_store_ccp.
3970         (execute_todo): If the TODO_ flags don't include updating
3971         the SSA form, assert that it does not need to be updated.
3972         Call update_ssa instead of rewrite_into_ssa and
3973         rewrite_def_def_chains.
3974         If TODO_verify_loops is set, call verify_loop_closed_ssa.
3975         (tree_rest_of_compilation):
3976         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
3977         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
3978         TODO_cleanup_cfg): Renumber.
3979         (TODO_verify_loops, TODO_update_ssa,
3980         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3981         TODO_update_ssa_only_virtuals): Define.
3982         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
3983         Declare.
3984         * tree-phinodes.c (make_phi_node): Update documentation.
3985         (remove_all_phi_nodes_for): Remove.
3986         (find_phi_node_for): New.
3987         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
3988         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
3989         (interpret_rhs_modify_expr): Likewise.
3990         * tree-sra.c (decide_instantiations): Mark all symbols in
3991         SRA_CANDIDATES for renaming.
3992         (mark_all_v_defs_1): Rename from mark_all_v_defs.
3993         (mark_all_v_defs): New function.  Update all users to call it
3994         with the whole list of scalarized statements, not just the
3995         first one.
3996         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
3997         (compute_flow_insensitive_aliasing): If the tag is
3998         unmodifiable and the variable isn't or vice-versa, don't
3999         make them alias of each other.
4000         (setup_pointers_and_addressables): If the type tag for
4001         VAR is about to change, mark the old one for renaming.
4002         (add_type_alias): New.
4003         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4004         (ccp_lattice_t): Rename from latticevalue.
4005         (value): Remove.  Update all users.
4006         (const_val): New local variable.
4007         (do_store_ccp): New local variable.
4008         (dump_lattice_value): Handle UNINITIALIZED.
4009         (debug_lattice_value): New.
4010         (get_default_value): Re-write.
4011         (set_lattice_value): Re-write.
4012         (def_to_varying): Remove.  Update all users.
4013         (likely_value): Return VARYING for statements that make
4014         stores when STORE_CCP is false.
4015         Return VARYING for any statement other than MODIFY_EXPR,
4016         COND_EXPR and SWITCH_EXPR.
4017         (ccp_initialize): Re-write.
4018         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4019         Move to tree-ssa-propagate.c.
4020         (ccp_lattice_meet): Handle memory stores when
4021         DO_STORE_CCP is true.
4022         (ccp_visit_phi_node): Likewise.
4023         (ccp_fold): Likewise.
4024         (evaluate_stmt): Likewise.
4025         (visit_assignment): Likewise.
4026         (ccp_visit_stmt): Likewise.
4027         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4028         into DO_STORE_CCP.
4029         (do_ssa_ccp): New.
4030         (pass_ccp): Use it.
4031         (do_ssa_store_ccp): New.
4032         (gate_store_ccp): New.
4033         (pass_store_ccp): Declare.
4034         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4035         (may_propagate_copy): Reformat.
4036         Don't abort if ORIG is a virtual and DEST isn't.
4037         If NEW does not have alias information but DEST does,
4038         copy it.
4039         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4040         copy_prop_kind, which_copy_prop): Declare.
4041         (stmt_may_generate_copy, get_copy_of_val,
4042         get_last_copy_of, set_copy_of_val, dump_copy_of,
4043         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4044         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4045         init_copy_prop, fini_copy_prop, execute_copy_prop,
4046         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4047         store_copy_prop): New.
4048         (pass_copy_prop, pass_store_copy_prop): Declare.
4049         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4050         'num_const_prop' and 'num_copy_prop'.
4051         (cprop_operand): Update them.
4052         (dump_dominator_optimization_stats): Dump them.
4053         (tree_ssa_dominator_optimize): Call update_ssa instead of
4054         rewrite_into_ssa.
4055         (loop_depth_of_name): Declare extern.
4056         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4057         values for LOW or HIGH.
4058         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4059         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4060         (cprop_operand): Only propagate if VAL != OP.
4061         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4062         statement for renaming.
4063         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4064         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4065         add_type_alias if necessary.
4066         Call mark_new_vars_to_rename.
4067         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4068         mark every statement updated, call update_ssa and
4069         rewrite_into_loop_closed_ssa.
4070         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4071         from LIVEIN if VAR is a virtual.
4072         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4073         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4074         (get_call_expr_operands): Reformat statement.
4075         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4076         symbols.
4077         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4078         SSA_NAME_VALUE for every name.
4079         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4080         get_value_loaded_by): New.
4081         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4082         substitute_and_fold): Move from tree-ssa-ccp.c.
4083         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
4084         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4085         get_value_loaded_by, replace_uses_in, substitute_and_fold):
4086         Declare.
4087         * tree-ssa.c (verify_use): Fix error message.
4088         (propagate_into_addr, replace_immediate_uses, get_eq_name,
4089         check_phi_redundancy, kill_redundant_phi_nodes,
4090         pass_redundant_phi): Remove.  Update all users.
4091         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4092         add_type_alias, if necessary.
4093         * tree-vectorizer.h (struct _stmt_vect_info): Update
4094         documentation for field 'memtag'.
4095         * tree-vrp.c: New file.
4096         * tree.def (ASSERT_EXPR): Define.
4097         * tree.h (ASSERT_EXPR_VAR): Define.
4098         (ASSERT_EXPR_COND): Define.
4099         (SSA_NAME_VALUE_RANGE): Define.
4100         (struct tree_ssa_name): Add field 'value_range'.
4101         (PHI_REWRITTEN): Remove.
4102         (struct tree_phi_node): Remove field 'rewritten'.
4103         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
4104         -ftree-store-copy-prop): Document.
4105         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
4106         Document usage of update_ssa.
4107
4108 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
4109
4110         PR target/20814
4111         * config/rs6000/predicates.md (altivec_register_operand): Accept
4112         SUBREG.
4113         (and64_operand): Do not limit CONST_INT to mask64_operand.
4114         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
4115         (and_operand): Do not limit CONST_INT to mask_operand.
4116
4117 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
4118
4119         PR rtl-optimization/20466
4120         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
4121         for overlap of the address of each list member.
4122         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
4123
4124 2005-04-08  Mike Stump  <mrs@apple.com>
4125
4126         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4127
4128         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4129         instead of 4.
4130
4131 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4132
4133         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4134
4135         * function.c (push_function_context_to): Don't set
4136         contains_functions.
4137         * function.h (function): Remove contains_functions.
4138         (current_function_contains_functions): Remove.
4139
4140         * function.h (function): Remove instrument_entry_exit.
4141         (current_function_instrument_entry_exit): Remove.
4142
4143         * function.h (nonlocal_labels): Remove.
4144
4145         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
4146
4147         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
4148         (check_attr_value, write_attr_get, write_expr_attr_cache,
4149         find_attr, make_internal_attr): Don't reference negative_ok or
4150         unsigned_p.
4151         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
4152         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
4153         (ATTR_STATIC): Adjust the value.
4154
4155         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4156
4157 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4158
4159         * config/s390/tpf.h (ASM_SPEC): Define.
4160
4161 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4162
4163         * tree-flow.h: Remove the prototype for
4164         redirect_immediate_uses.
4165         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4166
4167 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
4168
4169         * arm.c (arm_const_double_by_parts): New function.
4170         * arm-protos.h (arm_const_double_by_parts): Add prototype.
4171         * arm.md (define_split for 64-bit constants): Add another one.
4172
4173 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4174
4175         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4176
4177 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4178
4179         * system.h: Revert last change.
4180
4181 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
4182
4183         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
4184         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
4185         (TARGET_SWITCHES): Delete.
4186         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4187         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
4188         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
4189         * config/xtensa/xtensa.opt: New file.
4190
4191 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4192
4193         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4194         * config/fp-bit.h: Tidy comments.
4195
4196 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4197
4198         * system.h: Poison PARAMS.
4199
4200 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
4201
4202         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
4203         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
4204         (TARGET_SWITCHES): Delete.
4205         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4206         * config/vax/vax.opt: New file.
4207
4208 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4209
4210         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4211
4212 2005-04-07  Ian Lance Taylor  <ian@airs.com>
4213
4214         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
4215         define.
4216         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
4217         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
4218         Likewise.
4219
4220 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4221
4222         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4223         all immediate uses in PHI nodes.
4224
4225 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
4226
4227         * arm.c (arm_const_double_inline_cost): Handle any constant by
4228         using gen_lowpart and gen_highpart_mode.
4229         (note_invalid_constants): All constants in an RTX with a constraint
4230         that permits memory are now pushed to the constant pool.
4231         (output_move_double): Delete code to handle reg to reg and
4232         constant to reg moves.
4233         (const_double_needs_minipool, output_mov_immediate): Delete.
4234         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
4235         CONST_INT and CONST_VECTOR.
4236         * arm.md (ANY64): New mode macro.
4237         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
4238         (movdf_soft_insn): Split reg-reg and const-reg moves.
4239         (split patterns for 64-bit constant and register moves): New.
4240         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
4241         (cirrus_movdf_hard_insn): Likewise.
4242         * fpa.md (movdf_fpa): Likewise.
4243         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
4244         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
4245         constraints.
4246         (movv2si_internal_2): Likewise.
4247         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
4248         (movdf_vfp): Likewise.
4249         * arm-protos.h (output_mov_immediate): Delete prototype.
4250
4251 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4252
4253         PR target/20093
4254         * simplify-rtx.c (simplify_unary_operation_1): Check
4255         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4256
4257 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4258
4259         PR target/20717
4260         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
4261         ADDR_EXPR.
4262
4263 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4264
4265         * coverage.h (GCOV_TYPE_NODE): Delete.
4266         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
4267         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
4268         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
4269         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
4270         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
4271
4272 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4273
4274         PR other/20792
4275         * Makefile.in (gcc.pot): Remove options.c dependency.
4276         * optc-gen.awk: Don't quote help strings with N_().
4277
4278 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
4279
4280         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
4281         the function returns a pointer type.
4282
4283 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
4284
4285         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
4286         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
4287         * doc/invoke.texi: Documnet salias-max-implicit-fields.
4288         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
4289         explicit_uses members.
4290         (get_or_create_used_part_for): Initialize new fields.
4291         (fieldoff_compare): New function.
4292         (create_overlap_variables_for): Count number of fields, use
4293         heuristic to determine whether to create subvars for vars with
4294         only implicit uses.
4295         Sort the field list by offset and avoid creating duplicate SFT's.
4296
4297 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4298
4299         * c.opt (-F): Remove trailing whitespace from help string.
4300         (-finput-charset): Use a tab to separate the switch name and help
4301         string.
4302         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
4303         (-ftree-vectorizer-verbose): Likewise.
4304
4305 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4306
4307         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
4308         a PHI argument where a use occurs instead of all PHI arguments.
4309
4310 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
4311
4312         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
4313         scope.
4314
4315 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4316
4317         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
4318         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
4319         config/bfin/bfin.h: Fix comment typos.
4320
4321 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
4322
4323         * doc/install.texi: Update the URL for Jacks.
4324         * doc/sourcebuild.texi: Likewise.
4325
4326 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4327
4328         PR target/17245
4329         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
4330         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
4331
4332 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4333
4334         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
4335
4336 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4337
4338         * config/v850/v850-protos.h (override_options): Delete.
4339         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
4340         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
4341         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
4342         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
4343         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
4344         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
4345         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
4346         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
4347         (OVERRIDE_OPTIONS): Delete.
4348         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
4349         (small_memory_info): Remove the value field.
4350         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
4351         TARGET_NO_APP_REGS.
4352         * config/v850/v850.c (small_memory): Remove the value field.
4353         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4354         (override_options): Delete.
4355         (v850_handle_memory_option, v850_handle_option): New functions.
4356         * config/v850/v850.opt: New file.
4357
4358 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
4359
4360         * config.host: Add a section for generic hosts, and a subsection
4361         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
4362         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
4363         * config/host-darwin.h: New.
4364         * config/x-darwin: New.
4365         * config/i386/host-i386-darwin.c: New.
4366         * config/i386/x-darwin: New.
4367         * config/rs6000/host-darwin.c: Include host-darwin.h.
4368         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
4369         (darwin_rs6000_gt_pch_use_address): Likewise.
4370         * config/rs6000/x-darwin: Change name of .o built, update
4371         dependencies for changes to rs6000/host-darwin.c.
4372
4373 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4374
4375         PR target/17824
4376         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
4377
4378 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
4379
4380         * tree-vect-analyze.c (vect_analyze_loop_form): Call
4381         split_loop_exit_edge instead of loop_split_edge_with.
4382
4383 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
4384
4385         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
4386         UNSPEC_SET_VSCR): New constants, used throughout.
4387         (*andc3_v4sf): New.
4388         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
4389         Replace with...
4390         (altivec_vspltis<VI_char>): ... this pattern, using
4391         a QImode const_int_operand for the immediate.
4392         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
4393         define_expands.
4394
4395 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4396
4397         PR target/17822
4398         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
4399
4400 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4401
4402         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
4403
4404 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4405
4406         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
4407         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
4408         macros as living in "this file" and not gcc.h.
4409
4410 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4411
4412         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
4413         -ftree-live_range_split.  Perhaps renamed at some point?
4414
4415 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4416
4417         PR target/20625
4418         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
4419         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
4420
4421 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4422
4423         * tree-flow.h (number_of_iterations_cond): Declaration removed.
4424         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
4425         (number_of_iterations_special): New function.
4426         (number_of_iterations_exit): Use number_of_iterations_special.
4427         Use simplify_using_outer_evolutions only at -O3.
4428         (number_of_iterations_cond, tree_simplify_using_condition,
4429         simplify_using_initial_conditions, loop_niter_by_eval,
4430         compare_trees, can_count_iv_in_wider_type_bound,
4431         simplify_using_outer_evolutions): Use fold_build.
4432
4433 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
4434
4435         * doc/install.texi (Configuration): Document --with-java-home.
4436
4437 2005-04-05  Richard Henderson  <rth@redhat.com>
4438
4439         PR target/20342
4440         PR target/20447
4441         * config/i386/i386.c (print_operand): Handle vector zeros.
4442         (ix86_split_to_parts): Handle CONST_VECTOR.
4443         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
4444         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
4445         what modes to tie for MMX and SSE registers.
4446         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
4447         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
4448         to vector modes as well.
4449         * config/i386/predicates.md (const0_operand): Handle VOIDmode
4450         properly as an input mode.
4451
4452 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4453
4454         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
4455
4456 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4457
4458         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
4459
4460 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4461
4462         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
4463         and local functions, set sse_nregs to 8 and float_in_sse.
4464         (function_arg_advance, function_arg): If float_in_sse, pass
4465         SFmode and DFmode arguments in SSE registers.
4466         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
4467
4468         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
4469         of -funit-at-a-time.
4470
4471 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
4472
4473         * config/i386/i386-protos.h (ix86_function_value): Accept two
4474         arguments, like the target macro.
4475         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
4476         * config/i386/i386.c (ix86_function_value): Accept the second
4477         argument of the target macro.
4478         (ix86_function_ok_for_sibcall): Pass a function pointer to
4479         ix86_function_value.
4480         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
4481         call to ix86_value_regno).
4482         (ix86_value_regno): Add support for returning floating point values
4483         in SSE registers.
4484
4485 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4486
4487         PR tree-optimization/20076
4488         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
4489         that call __builtin_return or __builtin_apply_args.
4490
4491 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4492
4493         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
4494         Use immediate use iterator.
4495         (stmt_is_bumper_for_loop): Use immediate use iterator.
4496         * predict.c (strip_builtin_expect): Use update_stmt.
4497         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
4498         on all elements of a STATEMENT_LIST.
4499         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
4500         (bsi_remove): Remove imm_use links and mark the stmt as modified.
4501         (bsi_replace): Mark stmt as modified and the update it.
4502         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
4503         (expand_complex_libcal): Call update_stmt.
4504         (expand_complex_comparison): Call mark_stmt_modified.
4505         (expand_complex_operations_1): Call update_stmt_if_modified.
4506         (expand_vector_operations_1): Call mark_stmt_modified.
4507         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
4508         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
4509         add_immediate_use, redirect_immediate_use,
4510         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
4511         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
4512         (mark_new_vars_to_rename): Call update_stmt.
4513         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
4514         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
4515         Ignore PHI nodes.
4516         (unmodify_stmt): Delete.
4517         (update_stmt): New.  Force an update of a stmt.
4518         (update_stmt_if_modified): update a stmt if it is out of date.
4519         (get_stmt_operands): Verify stmt is NOT modified.
4520         (stmt_modified_p): Update comment.
4521         (delink_imm_use): Remove a use node from its immuse list.
4522         (link_imm_use_to_list): Link a use node to a specific list.
4523         (link_imm_use): Link a node to the correct list.
4524         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
4525         it in the correct list, if appropriate.
4526         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
4527         (relink_imm_use): Link a use node in place of another node in a list.
4528         (relink_imm_use_stmt): LInk a node in place of another node, and set
4529         the stmt pointer.
4530         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
4531         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
4532         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
4533         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
4534         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
4535         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
4536         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
4537         (has_zero_uses): New.  Return true if there are no uses of a var.
4538         (has_single_use): New.  Return true if there is only a single use of a
4539         variable.
4540         (single_imm_use): New.  Return the simgle immediate use.
4541         (num_imm_uses): New.  Return the number of immediate uses.
4542         (get_v_must_def_ops): Use is now a pointer.
4543         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
4544         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
4545         the use node.
4546         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
4547         (delink_stmt_imm_use): Delink all immuses from a stmt.
4548         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
4549         * tree-flow.h (struct dataflow_d): Delete.
4550         (immediate_use_iterator_d): New.  Immediate use iterator struct.
4551         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
4552         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
4553         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
4554         iteration.
4555         (struct stmt_ann_d): Remove dataflow_t from struct.
4556         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
4557         (if_convertible_phi_p): Use FAST immuse iterator.
4558         (if_convertible_loop_p): Don't call compute_immediate_uses.
4559         (replace_phi_with_cond_modify_expr): Call update_stmt.
4560         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
4561         update_stmt_if_modified.
4562         (rewrite_all_into_ssa): Initialize ssa operands.
4563         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
4564         compute_immediate_uses.
4565         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
4566         ssa_property is available.
4567         (execute_one_pass):  Change parameters passed to execute_todo.
4568         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
4569         (remove_ssa_form): Call fini_ssa_operands.
4570         (insert_backedge_copies): Delete call to modify_stmt.
4571         * tree-phinodes.c (make_phi_node): Initialize use nodes.
4572         (release_phi_node): Delink any use nodes before releasing.
4573         (resize_phi_node): Relink any use nodes.
4574         (remove_phi_arg_num): Delink the use node.
4575         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
4576         (remove_all_phi_nodes_for): Release phi node first.
4577         * tree-pretty-print.c (dump_generic_node): Print stmt address.
4578         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
4579         (scalarize_use, scalarize_copy): Call update_stmt.
4580         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
4581         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
4582         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
4583         (ccp_initialize): Remove call to compute_immediate_uses.
4584         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
4585         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
4586         stmts.
4587         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
4588         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
4589         (eliminate_redundant_computations): Call mark_stmt_modified.
4590         (cprop_operand): Call mark_stmt_modified.
4591         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
4592         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
4593         (dse_optimize_stmt): Use new immuse interface.
4594         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
4595         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
4596         (substitute_single_use_vars): Use new immuse interface.
4597         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
4598         and compute_immediate_uses.
4599         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
4600         interface.
4601         (rewrite_mem_refs): Call update_stmt.
4602         (determine_lsm): Remove call to compute_imm_uses and free_df.
4603         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
4604         (try_unroll_loop_completely): Call update_stmt.
4605         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
4606         (rewrite_use_compare): Call update_stmt.
4607         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
4608         (rewrite_use) : Call update_stmt.
4609         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
4610         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
4611         update_stmt.
4612         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
4613         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
4614         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
4615         use nodes.
4616         (initialize_vuse_operand): New.  Initialize a vuse operand.
4617         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
4618         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
4619         (finalize_ssa_defs): Use stmt parameter.
4620         (correct_use_link): Ensure a use node is in the correct list, and has
4621         the correct stmt pointer.
4622         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
4623         finalize_ssa_v_must_defs): Also initialize use nodes.
4624         (finalize_ssa_stmt_operands): Pass extra stmt operands.
4625         (build_ssa_operands): Seperate parsing from final operand construction.
4626         (parse_ssa_operands): New.  Parse entry point for operand building.
4627         (swap_tree_operands): New.  Swap 2 tree operands.
4628         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
4629         operands.
4630         (get_expr_operands): Call swap_tree_operands when needed.
4631         (copy_virtual_operands): Use initialize routines for virtual use ops.
4632         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
4633         (verify_abort): New.  Issue imm_use error.
4634         (verify_imm_links): New Verify imm_use links for a var.
4635         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
4636         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
4637         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
4638         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
4639         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
4640         (NULL_USE_OPERAND_P) Define.
4641         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
4642         use node.
4643         (struct vuse_operand_type): New struct.
4644         (SET_USE): Call set_ssa_use_from_ptr.
4645         (USE_STMT): Define.
4646         (PHI_ARG_INDEX_FROM_USE): Define.
4647         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
4648         argument via SET_USE, not PHI_ARG_DEF_TREE.
4649         * tree-ssa-pre.c (eliminate): Call update_stmt.
4650         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
4651         call free_df.
4652         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
4653         (nearest_common_dominator_of_uses): Use imm_use iterator.
4654         (statement_sink_location): Use imm_use iterator and interface.
4655         (execute_sink_code): Don't call compute_immediate_uses or free-df.
4656         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
4657         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
4658         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
4659         (verify_ssa): Ensure no stmt is marked modify after optimization pass
4660         if new parameter is true.
4661         (init_tree_ssa): Don't initialize operand cache here.
4662         (delete_tree_ssa): Don't destroy operand cache here.
4663         (propagate_into_addr): Pass in a use pointer, return true if anything
4664         was changed.
4665         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
4666         (check_phi_redundancy): Use imm_use iterator.
4667         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
4668         free_df.
4669         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
4670         (release_ssa_name): Delink node and all elements in its imm_use list.
4671         * tree-tailcall.c (adjust_return_value): Call update_stmt.
4672         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
4673         * tree-vectorizer.c (need_imm_uses_for): Delete.
4674         (vectorize_loops): Dont call compute_immediate_uses or free_df.
4675         * tree.h (struct ssa_imm_use_d): Define.
4676         (SSA_NAME_IMM_USE_NODE): Define.
4677         (struct tree_ssa_name): Add imm_use node.
4678         (PHI_DF): Delete.
4679         (PHI_ARG_IMM_USE_NODE): Define.
4680         (struct phi_arg_d): Add imm_use node.
4681         (struct tree_phi_node): Remove struct dataflow_d element.
4682         (TDF_STMTADDR): Define.
4683
4684 2005-04-05  Dale Johannesen  <dalej@apple.com>
4685
4686         * doc/invoke.texi (Optimization Options):  Remove
4687         duplicate -fcse-follow-jumps.  Add -fweb.
4688         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
4689         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
4690
4691 2005-04-05  Per Bothner  <per@bothner.com>
4692
4693         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
4694         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
4695         (warn_uninit): Get EXPR_LOCUS from context now instead.
4696         This fixes a USE_MAPPED_LOCATION testsuite failure.
4697
4698         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
4699
4700 2005-04-05  Per Bothner  <per@bothner.com>
4701
4702         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
4703         of the artification 'return 0' in main() to BUILTINS_LOCATION.
4704         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
4705         before warning.
4706
4707 2004-04-05  Devang Patel  <dpatel@apple.com>
4708
4709         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
4710         (lhsr<mode>3): ... new name.
4711         (altivec_vsra<VI_char>): Rename to ..
4712         (ashr<mode>3): ... new name.
4713         * config/rs6000/rs6000.c (builtin_description): Rename shift
4714         operations.
4715
4716 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
4717
4718         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
4719         gen_lowpart_for_combine.
4720         * cse.c (gen_lowpart_if_possible): Move...
4721         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
4722         gen_lowpart_SUBREG.
4723         (gen_lowpart_no_emit_general): Use it.
4724
4725 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4726
4727         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
4728         overriding.
4729
4730 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
4731
4732         * system.h: Fix typo.
4733
4734 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4735
4736         * config/bfin/bfin-modes.def: New file.
4737         * config/bfin/bfin-protos.h: New file.
4738         * config/bfin/bfin.c: New file.
4739         * config/bfin/bfin.h: New file.
4740         * config/bfin/bfin.md: New file.
4741         * config/bfin/bfin.opt: New file.
4742         * config/bfin/crti.s: New file.
4743         * config/bfin/crtn.s: New file.
4744         * config/bfin/elf.h: New file.
4745         * config/bfin/lib1funcs.asm: New file.
4746         * config/bfin/predicates.md: New file.
4747         * config/bfin/t-bfin: New file.
4748         * config/bfin/t-bfin-elf: New file.
4749         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
4750         Document new attributes.
4751         (interrupt, interrupt_handler, saveall): Update documentation for
4752         these attributes.
4753         * doc/install.texi (Specific): Add entry for the Blackfin.
4754         * doc/invoke.texi (Blackfin Options): New section.
4755         * doc/md.texi (Blackfin family): New section to document constraints.
4756         * config.gcc: Add bfin*-* and bfin*-elf configurations.
4757
4758 2005-04-05  Olivier Hainque  <hainque@adacore.com>
4759
4760         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
4761         match what the system unwinder expects.
4762         * config/mips/mips.c (mips_frame_set): If we're saving the return
4763         address register and the dwarf return address column number differs
4764         from the hard register number, adjust the note reg to refer to the
4765         former.
4766
4767 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
4768
4769         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
4770         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
4771         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
4772         (processor_type): New enum.
4773         (mn10300_processor): New variable.
4774         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
4775         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
4776         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
4777         (PROCESSOR_DEFAULT): New macro.
4778         * config/mn10300/mn10300.c (mn10300_processor): New variable.
4779         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4780         (mn10300_handle_option, mn10300_override_options): New functions.
4781         * config/mn10300/mn10300.opt: New file.
4782
4783 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4784             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
4785
4786         PR tree-optimization/19903
4787         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
4788         that don't fit in their type after conversion.
4789
4790 2005-04-05  Uros Bizjak <uros@kss-loka.si>
4791
4792         PR target/20421
4793         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
4794         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
4795         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
4796         flag here. Implement using define_insn_and_split.
4797         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
4798         (frndintxf2_mask_pm_i387): New insn patterns.
4799         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
4800         Do not set ix86_optimize_mode_switching flag.
4801         (ceilsf2, ceildf2, ceilxf2): Same.
4802         (btruncsf2, btruncdf2, btruncxf2): Same.
4803         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
4804
4805 2005-04-05  Ian Lance Taylor  <ian@airs.com>
4806
4807         PR debug/9963
4808         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
4809         i386_pe_record_external_function.
4810         (i386_pe_record_external_function): Update declaration.
4811         * config/i386/winnt.c (struct extern_list): Add decl field.
4812         (i386_pe_record_external_function): Add decl parameter.
4813         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
4814         identifier.
4815         * config/i386/i386-protos.h (i386_pe_record_external_function):
4816         Update declaration.
4817
4818 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
4819
4820         * config/m68k/m68k-protos.h: Add a prototype for
4821         valid_dbcc_comparison_p_2.
4822         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
4823         extend_operator, const_uint32_operand, const_sint32_operand,
4824         general_src_operand, nonimmediate_src_operand,
4825         memory_src_operand, post_inc_operand, pre_dec_operand,
4826         pcrel_address): Move to predicates to predicates.md.
4827         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
4828         * config/m68k/m68k.md: Include predicates.md.
4829         * config/m68k/predicates.md: New.
4830
4831 2005-04-04  Roger Sayle  <roger@eyesopen.com>
4832
4833         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
4834
4835         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
4836
4837 2005-04-04  Ian Lance Taylor  <ian@airs.com>
4838
4839         * c-typeck.c (struct c_switch): Rename switch_stmt field to
4840         switch_expr.
4841         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
4842         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
4843         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
4844         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
4845         * c-common.c (c_do_switch_warnings_1): New static function broken
4846         out of c_do_switch_warnings.
4847         (c_do_switch_warnings): Call c_do_switch_warnings_1.
4848         (c_do_switch_expr_warnings): New function.
4849         * c-common.h (c_do_switch_expr_warnings): Declare.
4850
4851 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
4852             Daniel Jacobowitz  <dan@codesourcery.com>
4853
4854         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
4855         trapping divide.
4856         * rtlanal.c (may_trap_p): Same.
4857
4858 2005-04-04  Dale Johannesen  <dalej@apple.com>
4859
4860         * ChangeLog:  remove reference to ChangeLog.12.
4861
4862 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
4863
4864         CRIS epilogue as RTL.
4865         * config/cris/cris.md: Change all 0 in unspec 0 to
4866         CRIS_UNSPEC_PLT.
4867         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
4868         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
4869         patterns.
4870         ("return"): Change to define_expand.  Call cris_expand_return for
4871         actual expansion.
4872         ("*return_expanded"): New pattern.
4873         ("epilogue"): New define_expand.
4874         * config/cris/cris.h (PREDICATE_CODES): Add
4875         cris_load_multiple_op.
4876         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
4877         type.
4878         (enum cris_retinsn_type): New.
4879         (struct machine_function): New member return_type.
4880         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
4881         (cris_target_asm_function_epilogue): Remove, moving RTLified
4882         contents to...
4883         (cris_expand_epilogue): New function.
4884         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
4885         (cris_gen_movem_load, cris_load_multiple_op)
4886         (cris_return_address_on_stack_for_return, cris_expand_return): New
4887         functions.
4888         (cris_target_asm_function_prologue)
4889         (cris_initial_frame_pointer_offset): Call
4890         cris_reg_saved_in_regsave_area instead of complicated expression.
4891         Call cris_return_address_on_stack instead of an expression.
4892         (cris_print_operand) <case 'o', case 'O'>: New cases.
4893         (cris_return_address_on_stack): Change return-type to bool.
4894         (cris_simple_epilogue): Ditto.  Return false if registers are
4895         saved.
4896         * config/cris/cris-protos.h (cris_simple_epilogue)
4897         (cris_return_address_on_stack): Adjust prototype return type.
4898         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
4899         (cris_return_address_on_stack_for_return): New prototypes.
4900
4901 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4902
4903         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
4904         gpr_or_int12_operand.
4905
4906         * config/frv/frv-protos.h: Add a prototype to
4907         frv_legitimate_memory_operand and frv_const_unspec_p.
4908         (frv_unspec): Move from frv.c.
4909         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
4910         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
4911         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
4912         gpr_or_fpr_operand, gpr_or_int12_operand,
4913         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
4914         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
4915         int6_operand, int5_operand, uint5_operand, uint4_operand,
4916         uint1_operand, int_2word_operand, uint16_operand,
4917         upper_int16_operand, integer_register_operand,
4918         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
4919         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
4920         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
4921         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
4922         move_destination_operand, movcc_fp_destination_operand,
4923         frv_function_symbol_referenced_p, move_source_operand,
4924         condexec_dest_operand, condexec_source_operand,
4925         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
4926         const_unspec_operand, gpr_or_memory_operand,
4927         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
4928         icc_operand, fcc_operand, cc_operand, icr_operand,
4929         fcr_operand, cr_operand, call_operand, sibcall_operand,
4930         symbolic_operand, relational_operator,
4931         integer_relational_operator, float_relational_operator,
4932         ccr_eqne_operator, minmax_operator,
4933         condexec_si_binary_operator, condexec_si_media_operator,
4934         condexec_si_divide_operator, condexec_si_unary_operator,
4935         condexec_sf_conv_operator, condexec_sf_add_operator,
4936         condexec_memory_operand, intop_compare_operator, acc_operand,
4937         even_acc_operand, quad_acc_operand, accg_operand: Move to
4938         predicates.md.
4939         * config/frv/frv.h (PREDICATE_CODES): Remove.
4940         * config/frv/frv.md: Include predicates.md.
4941         * config/frv/predicates.md: New.
4942
4943 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
4944
4945         PR target/19537
4946         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
4947         * tree-ssa-loop-ivopts.c: Include langhooks.h.
4948         (add_standard_iv_candidates_for_size): New function, extracting code
4949         from add_standard_iv_candidates and parameterizing it by type size.
4950         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
4951
4952 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
4953
4954         * system.h (GCOV_SIZE_TYPE): Unposion.
4955         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
4956         (GCOV_TYPE_SIZE): ...this new macro.
4957         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
4958         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
4959         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
4960         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
4961         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
4962         instead of unsigned_intSI_type_node.
4963         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
4964         (rtl_gen_one_value_profiler_no_edge_manipulation)
4965         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
4966         * value-prof.c: Include coverage.h.
4967
4968 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
4969             Diego Novillo <dnovillo@redhat.com>
4970
4971         Fix PR tree-optimization/20703
4972         Fix PR tree-optimization/20725
4973
4974         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
4975         (create_expression_by_pieces): Ditto.
4976         (valid_in_set): Ditto. Also handle tcc_declaration.
4977         (find_or_generate_expression): Handle comparison class.
4978         (insert_into_preds_of_block): Ditto.
4979         (insert_aux): Ditto.
4980         (create_value_expr_from): Handle comparison class, recursively
4981         handle reference nodes.
4982         (compute_avail): Handle comparison classes, rewrite a little cleaner.
4983         (execute_pre): Fix spacing.
4984         (do_fre): Renamed to execute_fre.
4985
4986 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4987
4988         * doc/invoke.texi (SPARC options): Document that
4989         -mlittle-endian is not supported on Linux either.
4990
4991 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4992
4993         PR target/4198
4994         PR target/12027
4995         * config.gcc (Obsolete configurations): Remove
4996         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
4997         (sparclite-*-coff*): Delete.
4998         (sparclite-*-elf*): Likewise.
4999         (sparc86x-*-elf*): Likewise.
5000         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5001         * config/sparc/lite.h: Delete.
5002         * config/sparc/litecoff.h: Likewise.
5003         * config/sparc/liteelf.h: Likewise.
5004         * config/sparc/sp86x-elf.h: Likewise.
5005         * config/sparc/t-sparclite: Likewise.
5006         * config/sparc/t-sp86x: Likewise.
5007
5008 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5009
5010         * config/s390/s390-protos.h: (s390_comparison,
5011         s390_alc_comparison, s390_slb_comparison, const0_operand,
5012         consttable_operand, larl_operand, s_operand,
5013         shift_count_operand, bras_sym_operand, load_multiple_operation,
5014         store_multiple_operation, s390_plus_operand): Remove prototypes.
5015         (s390_legitimate_address_without_index_p): New prototype.
5016         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5017         to s390.h.
5018         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5019         const0_operand, consttable_operand, larl_operand, s_operand,
5020         shift_count_operand, bras_sym_operand, load_multiple_operation,
5021         store_multiple_operation, s390_plus_operand): Move to
5022         predicates.md.
5023         (check_mode): Remove.
5024         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5025         s390-protos.h.
5026         (s390_legitimate_address_without_index_p): New.
5027         * config/s390/s390.h (PREDICATE_CODES): Remove.
5028         * config/s390/s390.md: Include predicates.md.
5029         * config/s390/predicates.md: New.
5030
5031 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5032
5033         PR target/20446
5034         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5035         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5036         (NEED_INDICATE_EXEC_STACK): Define to 1.
5037         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5038         (NEED_INDICATE_EXEC_STACK): Define to 1.
5039         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5040         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5041         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5042         (pic_helper_emitted_p): New global.
5043         (emit_pic_helper): New function extracted from...
5044         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5045         Do not call emit_pic_helper if delay_pic_helper is true.
5046         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5047         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5048         (sparc_file_end): New function.
5049
5050 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5051
5052         * config/mcore/mcore-protos.h: Remove the prototypes for
5053         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5054         mcore_general_movdst_operand, mcore_reload_operand,
5055         mcore_arith_J_operand, mcore_arith_K_operand,
5056         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5057         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5058         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5059         mcore_literal_K_operand, mcore_addsub_operand,
5060         mcore_compare_operand, mcore_load_multiple_operation,
5061         mcore_store_multiple_operation, mcore_call_address_operand.
5062         Add a prototype for const_ok_for_mcore.
5063         * config/mcore/mcore.c (mcore_call_address_operand,
5064         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5065         mcore_arith_reg_operand, mcore_reload_operand,
5066         mcore_arith_J_operand, mcore_arith_K_operand,
5067         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5068         mcore_arith_M_operand, mcore_arith_imm_operand,
5069         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5070         mcore_literal_K_operand, mcore_addsub_operand,
5071         mcore_compare_operand, mcore_load_multiple_operation,
5072         mcore_store_multiple_operation): Move to predicates.md.
5073         (const_ok_for_mcore): Export.
5074         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5075         * config/mcore/mcore.md: Include predicates.md.
5076         * config/mcore/predicates.md: New.
5077
5078         * config/mcore/predicates.md: Fix a comment typo.
5079
5080 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5081             Adrian Straetling  <straetling@de.ibm.com>
5082
5083         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
5084         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
5085         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
5086         attribute.
5087         ("imul"): Removed from "type" attribute.
5088         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
5089         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
5090         Changed type to imulsi.
5091         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
5092
5093 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5094
5095         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
5096         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
5097         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
5098         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
5099         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
5100         (TARGET_SWITCHES, mcore_stack_increment_string)
5101         (TARGET_OPTIONS): Delete.
5102         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
5103         than *_BIT constants.
5104         (TARGET_8ALIGN): #undef old definition before redefining to 1.
5105         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
5106         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
5107         (mcore_override_options): Delete mcore_stack_increment code.
5108         Change use of M340_BIT to MASK_M340.
5109         * config/mcore/mcore.opt: New file.
5110
5111 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5112
5113         * config/arm/arm.c (replace_symbols_in_block): Remove static
5114         function.
5115
5116 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5117
5118         * config/fr30/fr30-protos.h: Remove the prototypes for
5119         stack_add_operand, add_immediate_operand,
5120         high_register_operand, low_register_operand, call_operand,
5121         di_operand, and nonimmediate_di_operand.
5122         * config/fr30/fr30.c (stack_add_operand,
5123         add_immediate_operand, high_register_operand,
5124         low_register_operand, call_operand, di_operand,
5125         nonimmediate_di_operand): Move to predicates.md.
5126         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
5127         * config/fr30/fr30.md: Include predicates.md.
5128         * config/fr30/predicates.md: New.
5129
5130         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
5131         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
5132         mcore_call_address_operand.
5133
5134         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5135         general_movsrc_operand.
5136
5137 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5138
5139         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5140         after freeing.
5141
5142 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5143
5144         PR target/14812
5145         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5146         a negated value.
5147
5148 2005-04-04  Richard Henderson  <rth@redhat.com>
5149             Jakub Jelinek  <jakub@redhat.com>
5150
5151         PR rtl-optimization/16104
5152         * fold-const.c (fold_unary): Fix folding of vector conversions.
5153
5154 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5155
5156         * config.gcc (xstormy16-*-elf): Set extra_options.
5157         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
5158         * config/stormy16/stormy16.opt: New file.
5159
5160 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5161
5162         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
5163         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
5164         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
5165         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
5166         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
5167         (TARGET_UNIX_ASM): Delete.
5168         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
5169         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
5170         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
5171         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5172         * config/pdp11/pdp11.opt: New file.
5173
5174 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5175             Alexandre Oliva  <aoliva@redhat.com>
5176
5177         PR c++/19199
5178         * fold-const.c (non_lvalue): Split tests into...
5179         (maybe_lvalue_p): New function.
5180         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
5181         C++ front-end prior to lowering into gimple form.
5182
5183 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5184
5185         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
5186         BUILT_IN_STRNCASECMP): New.
5187         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
5188         and strndup.
5189
5190 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
5191
5192         PR target/14812
5193         * arm.md (addsi3_compare0_for_combiner): Delete.
5194         (addsi3_compare0_scratch_for_combiner): Delete.
5195         (cmpsi_neg_shiftsi): Delete.
5196         (compare_negsi_si): New pattern.
5197         (cmpsi_negshiftsi_si): New pattern.
5198         (negated_cbranchsi4): Restrict to equality_operator.
5199
5200         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5201         template.
5202
5203 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5204
5205         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5206         Fix comment typos.
5207
5208         * doc/install.texi: Fix a typo.
5209
5210 2005-04-03  Steven Bosscher  <stevenb@suse.de>
5211
5212         PR middle-end/20648
5213         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
5214         a computed goto if the edge to the computed goto block has
5215         incoming abnormal edges.  Clarify how the function works.
5216
5217 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
5218
5219         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
5220         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
5221         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
5222         hash_scan_set, reg_set_between_after_reload_p,
5223         reg_used_between_after_reload_p, get_avail_load_store_reg,
5224         eliminate_partially_redundant_load): Likewise.
5225         * postreload.c (reload_cse_simplify_set,
5226         reload_combine_note_use): Likewise.
5227         * predict.c (predict_insn, expected_value_to_br_prob,
5228         propagate_freq, expensive_function_p): Likewise.
5229         * print-rtl.c (print_rtx): Likewise.
5230         * profile.c (instrument_edges, instrument_values,
5231         compute_branch_probabilities, branch_prob, union_groups,
5232         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
5233         * protoize.c (in_system_include_dir, file_could_be_converted,
5234         file_normally_convertible, gen_aux_info_file, seek_to_line,
5235         do_cleaning): Likewise.
5236         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
5237         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5238         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
5239
5240 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5241
5242         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
5243         * modulo-sched.c (undo_replace_buff_elem): New structure.
5244         (kernel_number_of_cycles, ps_unschedule_node,
5245         undo_generate_reg_moves,free_undo_replace_buff,
5246         undo_permute_partial_schedule,  loop_single_full_bb_p,
5247         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
5248         build_loops_structure, get_sched_window): New.
5249         (generate_reg_moves): Return undo_replace_buff_elem and other
5250         fixes.
5251         (generate_prolog_epilog): Remove old loop versioning.
5252         (sms_schedule): Use loop information and loop_version.
5253         (sms_schedule_by_order): Split part of it to get_sched_window.
5254         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
5255         cfg_layout_finalize and free_dominance_info before/after SMS.
5256
5257 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5258
5259         * cfghooks.c (lv_flush_pending_stmts,
5260         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
5261         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
5262         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
5263         lv_add_condition_to_bb,
5264         lv_adjust_loop_header_phi, extract_cond_bb_edges,
5265         flush_pending_stmts): New in cfg_hooks structure.
5266         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
5267         extract_cond_bb_edges, lv_adjust_loop_header_phi,
5268         lv_add_condition_to_bb): New declarations.
5269         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
5270         bool.
5271         (loop_version): Declare.
5272         * cfgloopmanip.c (cfghooks.h): Include.
5273         (duplicate_loop_to_header_edge): Change return type to bool.
5274         (loop_version, lv_adjust_loop_entry_edge): Move here.
5275         * cfgrtl.c (cfgloop.h): Include.
5276         (rtl_verify_flow_info_1): Fix.
5277         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
5278         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
5279         initialization.
5280         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
5281         tree_lv_add_condition_to_bb): New.
5282         (tree_cfg_hooks): Add new hooks to initialization.
5283         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
5284         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
5285
5286 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5287
5288         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
5289         xstormy16_below100_or_register,
5290         xstormy16_splittable_below100_or_register, and
5291         nonimmediate_nonstack_operand.
5292
5293         * config/stormy16/stormy16-protos.h: Remove the prototypes for
5294         xstormy16_ineqsi_operator, equality_operator,
5295         inequality_operator, shift_operator,
5296         xstormy16_below100_operand, xstormy16_below100_or_register,
5297         xstormy16_splittable_below100_or_register,
5298         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
5299         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
5300         equality_operator, inequality_operator,
5301         xstormy16_below100_operand, xstormy16_below100_or_register,
5302         xstormy16_splittable_below100_or_register,
5303         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
5304         nonimmediate_nonstack_operand, shift_operator): Move to
5305         predicates.md.
5306         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
5307         * config/stormy16/stormy16.md: Include predicates.md.
5308         * config/stormy16/predicates.md: New.
5309
5310 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5311
5312         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
5313         small_int, large_int, reg_or_0_operand, simple_memory_operand,
5314         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
5315         move_operand, power_of_2_operand): Move to predicates.md.
5316         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
5317         PREDICATE_CODE): Remove.
5318         * config/iq2000/iq2000.md: Include predicates.md.
5319         * config/iq2000/predicates.md: New.
5320
5321 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
5322
5323         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
5324         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
5325         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
5326         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
5327         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
5328         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
5329         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
5330         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5331         (TARGET_M68HC11): Delete.
5332         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
5333         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
5334         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
5335         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5336         (nb_soft_regs): Delete.
5337         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
5338         (m68hc11_override_options): Remove the code that caters for MASK_M6811
5339         and MASK_M6812 being set simultaneously.  Change the code that sets
5340         the default m68hc11_soft_reg_count to use integers instead of strings.
5341         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
5342         m68hc11_soft_reg_count (which now has an int type) as the number
5343         of soft registers.
5344         * config/m68hc11/m68hc11.opt: New file.
5345
5346 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5347
5348         * config/fr30/fr30.h (PREDICATE_CODES): Remove
5349         fp_displacement_operand, sp_displacement_operand.
5350
5351         * config/m68hc11/m68hc11-protos.h: Add a prototype for
5352         m68hcc_auto_inc_p.
5353         Remove the prototypes for tst_operand, cmp_operand,
5354         stack_register_operand, d_register_operand,
5355         hard_addr_reg_operand, splitable_operand,
5356         m68hc11_logical_operator, m68hc11_arith_operator,
5357         m68hc11_non_shift_operator, m68hc11_shift_operator,
5358         m68hc11_unary_operator, m68hc11_eq_compare_operator,
5359         non_push_operand, hard_reg_operand, and
5360         reg_or_some_mem_operand.
5361         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
5362         extern.
5363         (tst_operand, cmp_operand, non_push_operand,
5364         splitable_operand, reg_or_some_mem_operand,
5365         stack_register_operand, d_register_operand,
5366         hard_addr_reg_operand, hard_reg_operand,
5367         m68hc11_eq_compare_operator, m68hc11_logical_operator,
5368         m68hc11_arith_operator, m68hc11_non_shift_operator,
5369         m68hc11_shift_operator, m68hc11_unary_operator): Move to
5370         predicates.md.
5371         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
5372         * config/m68hc11/m68hc11.md: Include predicates.md.
5373         * config/m68hc11/predicates.md: New.
5374
5375 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5376
5377         PR debug/19345
5378         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
5379         change checked in along with 2005-03-03's patch for debug/20253.
5380         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
5381         (remap_decl): Insert type decl in map earlier.
5382
5383 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5384
5385         PR tree-optimization/20640
5386         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
5387         post-dominator if it has phi nodes.
5388         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
5389         before dead statements.
5390
5391 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5392
5393         PR middle-end/20491
5394         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
5395
5396 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5397
5398         PR rtl-optimization/20290
5399         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
5400         in every iteration if the entry point is the exit test.
5401
5402 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
5403
5404         * config/cris/cris.md (attribute "length"): Define.
5405
5406 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
5407
5408         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
5409         (word_offset_memref_operand): New.
5410         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
5411         (indexed_or_indirect_operand): Delete.
5412         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
5413         (indexed_or_indirect_operand): Delete.
5414
5415         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
5416
5417         PR 20650
5418         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
5419         a register.
5420
5421         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
5422         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
5423
5424 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5425
5426         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
5427
5428 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5429
5430         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
5431         (rus, prus): Remove static variables.
5432         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
5433         (process_command): Permit report_times and use_pipes together.
5434
5435 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5436
5437         * c-decl.c (validate_proto_after_old_defn): Look at
5438         TYPE_MAIN_VARIANT of argument types.
5439
5440 2005-04-01  Paul Brook  <paul@codesourcery.com>
5441
5442         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
5443         (arm_output_function_epilogue): Allow call_via_SP.
5444         (thumb_call_via_reg, arm_file_end): Ditto.
5445         * config/arm/arm.h (struct machine_function): Include space for SP.
5446         (thumb_call_via_label): Update declaration.
5447
5448 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5449
5450         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
5451         doing a peephole optimization, once again put any notes in the
5452         proper position.
5453
5454 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5455
5456         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
5457
5458 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5459
5460         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
5461         (block_alloc, find_free_reg): Likewise.
5462         * loop-doloop.c (doloop_modify): Likewise.
5463         * loop-invariant.c (record_use): Likewise.
5464         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
5465         get_iv_value, canon_condition, eliminate_implied_condition,
5466         eliminate_implied_condition, simplify_using_initial_values,
5467         shorten_into_mode, canonicalize_iv_subregs,
5468         iv_number_of_iterations): Likewise.
5469         * loop-unroll.c (expand_var_during_unrolling): Likewise.
5470         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
5471         unswitch_loop): Likewise.
5472         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
5473         move_movables, replace_call_address, find_and_verify_loops,
5474         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
5475         record_giv, final_giv_value, general_induction_var,
5476         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
5477         loop_giv_dump): Likewise.
5478
5479         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
5480         GCOV_CHECK_WRITING): Remove.
5481         (gcov_position, gcov_rewrite): Use gcc_assert.
5482         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
5483         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
5484         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
5485         gcc_assert.
5486
5487 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5488
5489         * tree-inline.c: Fix a typo.
5490
5491 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5492
5493         * configure.ac (enable-checking): Explicitly set all variables for
5494         collective switch values.  Alphabetize variables. Rename
5495         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
5496         synonym for 'no'.
5497         * doc/install.texi (enable-checking): Update documentation.
5498         * configure: Rebuilt.
5499
5500 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5501
5502         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
5503         possible.
5504
5505 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5506
5507         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
5508         Also reject cases where this pattern will cause load delay stalls
5509         unless optimizing for size and it will produce a shorter sequence.
5510         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
5511         variants to avoid pre-adjusting the base when possible.
5512
5513 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5514
5515         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
5516         the frame and argument pointers.
5517         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
5518         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
5519         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
5520         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
5521         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
5522         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
5523
5524 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
5525
5526         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
5527         with entry for selectany attribute.
5528         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
5529         Declare.
5530         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
5531         (i386_pe_asm_named_section): Handle sections generated by
5532         selectany attribute.
5533         * doc/extend.texi (selectany): Document attribute.
5534
5535 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
5536             Jan Hubicka  <jh@suse.cz>
5537
5538         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
5539         to fix addresses involving EBP and ESP.
5540         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
5541         for SUBREGed registers.
5542         (legitimate_address_p): Accept SUBREGed registers.
5543
5544 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
5545
5546         PR c++/19406
5547         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
5548         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
5549         for FIELD_DECLs.
5550
5551 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5552
5553         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
5554
5555 2005-04-01  James E Wilson  <wilson@specifixinc.com>
5556
5557         PR c++/20505
5558         * dwarf2out.c (rtl_for_decl_init): New function.
5559         (rtl_for_decl_location): Extracted from here.
5560         (tree_add_const_value_attribute): Call rtl_for_decl_init and
5561         add_const_value_attribute.  Delete initializer_constant_valid_p call.
5562
5563 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5564
5565         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
5566         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
5567         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
5568         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
5569         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
5570         config/i386/i386.md, config/rs6000/predicates.md,
5571         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
5572         config/s390/s390.c, config/stormy16/stormy16.c,
5573         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
5574         typos.
5575
5576 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5577
5578         PR c/17855
5579         * gimplify.c (gimplify_expr): Create a temporary for lvalue
5580         COND_EXPR and CALL_EXPR.
5581
5582 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
5583
5584         PR target/20632
5585         * genautomata.c (first_cycle_unit_presence): Check all alternative
5586         states for unit presence.
5587
5588         * doc/md.texi: Remove remark about impossibility to query unit
5589         presence in non nondeterministic automaton state.
5590
5591         * config/ia64/ia64.c (get_template): Change order of unit querying.
5592
5593 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5594
5595         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
5596         obsolete comment.
5597
5598 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
5599
5600         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
5601         flag for edges outside any loops.
5602
5603 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
5604
5605         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
5606
5607 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5608
5609         * tree-ssa-alias.c: Follow spelling conventions.
5610         * doc/tree-ssa.texi: Fix a typo.
5611
5612 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
5613
5614         * postreload-gcse.c: Include target.h.
5615         (gcse_after_reload_main): Return early if we cannot modify jumps.
5616         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
5617
5618 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
5619
5620         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
5621         expensive operations.
5622
5623 2005-03-31  Ian Lance Taylor  <ian@airs.com>
5624
5625         * collect2.c (lderrout): New variable.
5626         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
5627         if it is set, to stderr.
5628         (handler): Unlink lderrout if it is set.
5629         (dump_file): Add "to" parameter.  Change all callers.
5630         (main): Initialize lderrout.
5631         (collect_execute): Add errname parameter.  Change all callers.
5632         Rename redir parameter to outname.  Never pass
5633         PEX_STDERR_TO_STDOUT to pex_run.
5634         * collect2.h (collect_execute, dump_file): Update declarations.
5635         * tlink.c (tlink_execute): Add errname parameter.  Change all
5636         callers.
5637         (do_tlink): Check lderrout as well as ldout.
5638
5639 2005-03-31  Caroline Tice  <ctice@apple.com>
5640
5641         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
5642         (bb-reorder.o): Add errors.h to list of requirements.
5643         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
5644         profiledbootstrap flags.
5645         * bb-reorder.c (errors.h): Add new include.
5646         (struct bbro_basic_block_data_def): Add new field, in_trace.
5647         (add_unlikely_executed_notes):  Remove function.
5648         (mark_bb_for_unlikely_executed_section): Remove function.
5649         (insert_section_boundary_note): New function.
5650         (verify_hot_cold_block_grouping): New function.
5651         (push_to_next_round_p): Remove variables and tests that push all
5652         cold blocks to last round.
5653         (find_traces): Remove code that added extra round of trace finding
5654         when doing partitioning.
5655         (find_traces_1_round) :  Remove variable last_round;  add code to
5656         update new struct field, in_trace; correct trace_length where it was
5657         incorrect before (after call to copy_bb); change code that pushed all
5658         cold blocks to last round. Instead verify that all blocks going into
5659         a trace belong in the same partition.
5660         (connect_traces): Modify to connect the traces in two passes, if the
5661         function contains both hot and cold blocks.  The first pass connects
5662         all the traces for blocks in the partition that the first block in
5663         the function belongs to; the second pass connnects all the traces
5664         containing blocks that belong in the other partition.
5665         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
5666         code that automatically put the first block in a function into the
5667         hot partition if the function had any hot blocks.
5668         (fix_crossing_unconditional_branches): Check number of succ edges
5669         before attempting to get one.
5670         (fix_edges_for_rarely_executed_code):  Update comment describing
5671         function.
5672         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
5673         remove call to add_unlikely_executed_notes; add call to
5674         verify_hot_cold_block_grouping.
5675         (duplicate_computed_gotos): Don't change computed goto if it's a
5676         crossing edge.
5677         (partition_hot_cold_basic_blocks):  Update function comment.
5678         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
5679         condition.
5680         (try_forward_edges): Likewise.
5681         (merge_blocks_move_predecessor_nojumps): Likewise.
5682         (merge_blocks_move_successor_nojumps): Likewise.
5683         (merge_blocks_move): Likewise.
5684         (try_crossjump_bb): Likewise.
5685         * cfglayout.c (update_unlikely_executed_notes): Remove function.
5686         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
5687         notes to cold bb's; remove call to update_unlikely_executed_notes.
5688         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
5689         NOTE_INSN_SWITCH_TEXT_SECTIONS.
5690         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
5691         function declaration.
5692         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
5693         from consideration.
5694         (rtl_can_merge_blocks): Remove redundancy from condition.
5695         (try_redirect_by_replacing_jump): Likewise.
5696         (force_nonfallthru_and_redirect): Remove code for adding
5697         UNLIKELY_EXECUTED_CODE notes to cold bb's.
5698         (commit_one_edge_insertion): Likewise.
5699         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
5700         * dbxout.c (FORCE_TEXT): Replace function_section with
5701         current_function_section.
5702         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
5703         function, switch_text_section.
5704         (struct xcoff_debug): Likewise.
5705         (dbxout_function_end): Add code to put out label diffs for both
5706         hot and cold sections.
5707         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
5708         for new debug_hooks funciton, switch_text_section..
5709         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
5710         switch_text_section.
5711         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
5712         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
5713         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
5714         dw_fde_switched_sections.
5715         (output_call_frame_info):  Add test to see if function switches text
5716         sections in the middle; if so, use appropriate extra hot and cold
5717         section labels to compute size deltas for the hot and cold sections.
5718         (dwarf2out_begin_prologue): Add code to initialize new fields in
5719         dw_fde_struct.
5720         (dwarf2out_switch_text_section): New function (invoked through
5721         debug_hook); updates new fields in dw_fde_struct appropriately and
5722         increments separate_line_info_table_in_use.
5723         (dwarf2_debug_hooks): Initialize switch_text_section function to be
5724         dwarf2out_switch_text_section.
5725         (struct var_loc_node): Add new field, section_label.
5726         (output_aranges): Add code to check whether in hot or cold section and
5727         use the appropriate label in calculating deltas.
5728         (output_ranges): Likewise.
5729         (output_line_info): Add code to check which section we're in and
5730         use appropriate hot/cold label.
5731         (add_location_or_constant_value_attribute): Likewise.
5732         (gen_subprogam_die): Modify arange attributes to use correct labels.
5733         (dwarf2out_begin_block): Change call to function_section into call to
5734         current_function_section.
5735         (dwarf2out_end_block): Likewise.
5736         (dwarf2out_source_line): Likewise.
5737         (dwarf2out_var_location): Add code to check whether in hot or cold
5738         section and use the appropriate label.
5739         * except.c (output_function_exception_table): Change call to
5740         function_section into call to current_function_section.
5741         * final.c (profile_function): Likewise.
5742         (scan_ahead_for_unlikely_executed_note): Remove function.
5743         (final_scan_insn):  Remove calls to
5744         scan_ahead_for_unlikely_executed_note, and related code for switching
5745         to cold section, except for the single time
5746         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
5747         debug_hooks->switch_text_sections; replace appropriate calls to
5748         function_section with calls to current_function_section.
5749         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
5750         test_bb to condition.
5751         (find_if_case_2): Likewise.
5752         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
5753         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
5754         * opts.c (decode_options): Change warning about hot/cold partitioning
5755         with exceptionss to inform (so as not to cause bootstrap failures);
5756         remove warning about partitioning with DWARF debug info.
5757         * output.h (current_function_section): Add new function decl.
5758         (insert_section_boundary_note): Likewise.
5759         (enum in_section): Move this declaration here from varasm.c.
5760         (unlikely_section_label): Likewise.
5761         (unlikely_text_section_name): Likewise.
5762         (last_text_section_name): New global variable.
5763         (last_text_section): Likewise.
5764         (hot_section_label): Likewise.
5765         (hot_section_end_label): Likewise.
5766         (cold_section_end_label): Likewise.
5767         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
5768         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
5769         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
5770         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
5771         insn from consideration.
5772         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
5773         switch_text_section.
5774         * varasm.c (basic-block.h): Add new include.
5775         (unlikely_section_label_printed): Remove global variable.
5776         (unlikely_section_label): Make global variable not be static any more.
5777         (unlikely_text_section_name): Likewise.
5778         (hot_section_end_label): New global variable (not static)
5779         (first_function_block_is_cold): Likewise.
5780         (hot_section_label): Likewise.
5781         (cold_section_end_label): Likewise..
5782         (last_text_section): New global variable, not static.
5783         (last_text_section_name): New global variable, not static.
5784         (initialize_cold_section_name): New function.
5785         (enum in_section): Move declaration to output.h.
5786         (text_section): Update last_text_section.
5787         (unlikely_text_section): Replace code to determine cold section name
5788         with call to initialize_cold_section_name; Add code to update
5789         last_text_section; remove code for printing out label.
5790         (named_section_real): Add code to update last_text_section and
5791         last_text_section_name as appropriate.
5792         (function_section): Change test for 'unlikely' to depend on
5793         first_function_block_is_cold (moved old test to
5794         current_function_section).
5795         (current_function_section): New function.
5796         (assemble_start_function): Move code that frees
5797         unlikely_text_section_name; initialize hot_section_end_label;
5798         print hot and cold section labels at the start of the function;
5799         set first_function_block_is_cold, if appropriate; initialize l
5800         ast_text_section; add call to insert_section_boundary_note.
5801         (assemble_end_function):  Add code to write out hot and cold section
5802         end labels.
5803         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
5804         switch_text_section.
5805         * config/darwin.c (machopic_select_section): Replace incorrect
5806         function in base_funs; update reloc for cold sections if necessary.
5807         * config/darwin.h (SECTION_FUNCTION):  Add code to update
5808         last_text_section if appropriate.
5809         (text_unlikely_section): Remove.
5810         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
5811         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
5812         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
5813         partitioning for this architecture.
5814
5815 2005-03-31  Olivier Hainque  <hainque@adacore.com>
5816
5817         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
5818         defined and non-zero.
5819
5820 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5821
5822         PR c++/18644
5823         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
5824         semantics.
5825
5826 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
5827
5828         PR target/20611
5829         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
5830         label operand.  Remove (use (unspec..)).  Don't emit a label on
5831         the offset word.
5832         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
5833         generate inline label for load_toc_v4_PIC_1b.
5834         (rs6000_emit_load_toc_table): Likewise.
5835
5836 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5837
5838         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
5839         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
5840
5841 2005-03-29  Devang Patel  <dpatel@apple.com>
5842
5843         * tree-sra.c (decide_block_copy): Disable scalarization of
5844         sub-elements.
5845
5846 2005-03-30  Stuart Hastings  <stuart@apple.com>
5847             Dale Johannesen  <dalej@apple.com>
5848
5849         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
5850         * print-tree.c (print_node):  Add case STATEMENT_LIST.
5851
5852 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
5853
5854         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
5855         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
5856         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
5857         is given with "powerpc64*" or "all", or when --with-cpu chooses
5858         a 64-bit cpu.
5859
5860 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
5861
5862         PR debug/20268
5863         * dwarf2out.c (add_high_low_attributes): New function, extracted from
5864         gen_lexical_block_die.
5865         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
5866
5867 2005-03-31  Jan Hubicka  <jh@suse.cz>
5868
5869         2004-11-02  Jan Hubicka  <jh@suse.cz>
5870
5871         * cgraph.c (cgraph_varpool_node_name): New function.
5872         (dump_cgraph_varpool_node): New function.
5873         (dump_varpool): New function.
5874         * cgraphunit.c (cgraph_optimize): Dump varpool.
5875
5876         2004-10-16  Jan Hubicka  <jh@suse.cz>
5877
5878         * cgraph.c (decide_is_variable_needed): New function.
5879         (cgraph_varpool_finalize_decl): Use it.
5880         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
5881         unit-at-a-time.
5882         * final.c (output_addr_const): Do not call mark_referenced.
5883         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
5884         always go via cgraph.
5885         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
5886         (check_global_declarations): Ifdef out code clearing DECL_RTL.
5887         * tree-optimize.c (execute_inline): Mark functions called.
5888         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
5889
5890         2004-10-11  Jan Hubicka  <jh@suse.cz>
5891
5892         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
5893         (cgraph_varpool_last_needed_node): New static variable.
5894         (enqueue_needed_varpool_node): Break out from ...; add items to the
5895         end of queue; update first pointers.
5896         (cgraph_varpool_mark_needed_node): ... here.
5897         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
5898         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
5899         * cgraph.h (cgraph_varpool_node): Add analyzed field.
5900         (cgraph_varpool_first_unanalyzed_node): Declare.
5901         * cgraphunit.c: Include output.h.
5902         (cgraph_varpool_analyze_pending_decls): New function.
5903         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
5904         for errors, analyze pending decls.
5905         (cgraph_finalize_compilation_unit): Only analyze decls.
5906         (cgraph_optimize): Assemble the decls after expanding.
5907
5908 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
5909
5910         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
5911         subvars get marked properly in tags for grouping.
5912         (add_pointed_to_var): Mark only actual pointed to
5913         variables/subvars in addresses needed.
5914         (create_overlap_variables_for): Clear call clobbered on original
5915         variable.
5916         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
5917         addresable vars with subvars into list.
5918         * tree-ssa.c (verify_ssa_name): Verify original is not used where
5919         subvar should be.
5920
5921 2005-03-30  Richard Henderson  <rth@redhat.com>
5922
5923         * cgraph.h (struct cgraph_node): Add alias.
5924         * varasm.c (assemble_alias): Set it.
5925         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
5926         avoid calling cgraph_expand_function.
5927
5928 2005-03-30  Tom Tromey  <tromey@redhat.com>
5929
5930         * tree.def (FILE_TYPE): Removed.
5931         * typeclass.h (enum type_class): Removed file_type_class.
5932         * dwarf2out.c (is_base_type): Updated.
5933         (gen_type_die): Likewise.
5934         * dbxout.c (dbxout_type): Updated.
5935         * builtins.c (type_to_class): Updated.
5936         * tree.c (type_contains_placeholder_1): Updated.
5937         * config/sparc/sparc.c (sparc_type_code): Updated.
5938         * config/ia64/ia64.c (hfa_element_mode): Updated.
5939         * expr.c (count_type_elements): Updated.
5940         * stor-layout.c (layout_type): Updated.
5941         * tree-inline.c (remap_type): Updated.
5942         * tree-pretty-print.c (dump_generic_node): Updated.
5943
5944 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
5945
5946         * builtins.c (expand_builtin_powi): Fix mode of
5947         2nd argument to match int.
5948         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
5949         2nd argument type to int.
5950         * libgcc2.c: Change prototype of __powi* functions to use
5951         int.
5952
5953 2005-03-30  Dale Johannesen  <dalej@apple.com>
5954
5955         PR middle-end/19225
5956         * calls.c (expand_call):  Flush pending deferrals before
5957         throwing call.
5958
5959 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
5960
5961         PR c/772
5962         PR c/17913
5963         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
5964         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
5965         c_label_context, label_context_stack): New.
5966         * c-decl.c (define_label): Check for jumps into statement
5967         expressions.  Add label to list of defined labels.
5968         (start_function): Push context on label_context_stack.
5969         (finish_function): Pop context from label_context_stack.
5970         * c-typeck.c (label_context_stack): New.
5971         (c_finish_goto_label): Check for jumps into statement
5972         expressions.  Add label to list of jumped to labels.
5973         (struct c_switch): Add blocked_stmt_expr.
5974         (c_start_case): Initialize it.
5975         (do_case): Check it.
5976         (c_finish_case): Verify !blocked_stmt_expr.
5977         (c_begin_stmt_expr):  Push context on label_context_stack.
5978         Increment blocked_stmt_expr.  Mark labels jumped to from outside
5979         as undefinable.
5980         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
5981         defined in the statement expression and no longer jumpable to.
5982         Mark labels jumped to from just outside the statement expression
5983         as again definable.  Pop context from label_context_stack.
5984         * doc/extend.texi (Statement Exprs): Update.
5985
5986 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
5987
5988         PR c/20368
5989         * c-decl.c (start_function): Check for old_decl being
5990         error_mark_node.
5991
5992 2005-03-30  Ian Lance Taylor  <ian@airs.com>
5993
5994         * final.c (final): Remove prescan parameter.  Change all callers.
5995         (final_scan_insn): Remove prescan parameter.  Change all callers.
5996
5997 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
5998
5999         * tree-vectorizer.c: Fix comment typos.
6000
6001 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6002
6003         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6004         as soon as a chrec_dont_know is detected.
6005
6006 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6007
6008         Merge from csl-arm-branch.
6009         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6010
6011         * tlink.c (recompile_files): Do not assume that "rename" can
6012         overwrite an existing file.
6013
6014 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6015
6016         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6017         * gcc/configure: Regenerate.
6018
6019 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6020
6021         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6022
6023         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6024
6025         * calls.c (struct arg_data): Update "partial" comment.
6026         (load_register_parameters): Update "nregs" comment.
6027
6028 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6029
6030         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6031         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6032         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6033         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6034         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6035         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6036         than target_flags & 0.
6037         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6038         (iq2000_arch, iq2000_parse_cpu): Delete.
6039         (TARGET_HANDLE_OPTION): Override default.
6040         (iq2000_handle_option): New function.
6041         (override_options): Remove -march= and -mcpu= handling.
6042         * config/iq2000/iq2000.opt: New file.
6043
6044 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6045
6046         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6047         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6048         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6049         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6050         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6051         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6052         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6053         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6054         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6055         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6056         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6057         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6058         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6059         (TARGET_OPTIONS): Delete.
6060         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6061         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6062         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6063         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6064         (c4x_cpu_version_string): Delete.
6065         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6066         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6067         equivalent -mcpu= option.
6068         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6069         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6070         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6071         or clearing the appropriate MASK_* bit.
6072         (c4x_file_start): Use c4x_cpu_version.
6073         * config/c4x/c4x.opt: New file.
6074
6075 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6076
6077         * doc/options.texi: Document the new MaskExists flag.
6078         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6079         if the option has the MaskExists flag.
6080
6081 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6082
6083         * opt-functions.awk (flag_set_p, test_flag): New functions.
6084         (switch_flags): Use them.
6085         * opth-gen.awk: Use flag_set_p to check for flags.
6086         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
6087
6088 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6089
6090         * config.host (i[34567]86-*-mingw32*): Don't set
6091         host_can_use_collect2 to no.
6092
6093 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6094
6095         PR target/20203
6096         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
6097         Remove convert_memory_address call duplicating that in memory_address.
6098
6099 2005-03-29  Richard Henderson  <rth@redhat.com>
6100
6101         PR c/20519
6102         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
6103         (build_compound_literal): Likewise.  Propagate decl type into the
6104         initializer.
6105         (finish_decl): Likewise.  Use new return value from complete_array_type
6106         for zero sized arrays.
6107         (complete_array_type): Move ...
6108         * c-common.c (complete_array_type): ... here.  Change first argument
6109         to pointer-to-type-node.  Consistently use sizetype for the index
6110         except for zero sized arrays.  Detect zero sized arrays for pedantic
6111         mode diagnostics.  Create a new type node instead of modifying the
6112         old node in place.
6113         * c-tree.h (complete_array_type): Move decl ...
6114         * c-common.h (complete_array_type): ... here.
6115
6116 2005-03-29  Richard Henderson  <rth@redhat.com>
6117
6118         PR tree-opt/19108
6119         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6120
6121 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
6122
6123         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
6124         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
6125         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
6126         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
6127
6128 2005-03-29  Eric Christopher  <echristo@redhat.com>
6129
6130         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6131         truthvalue conversion removal.
6132
6133 2005-03-29  Ian Lance Taylor  <ian@airs.com>
6134
6135         PR bootstrap/14316
6136         * collect2.c: Never include <vfork.h>.
6137         (VFORK_STRING, vfork): Don't define.
6138         (pid): Remove global variable.
6139         (handler): Call raise instead of kill (getpid(), ...).
6140         (collect_wait): Add pex parameter.  Change all callers.  Use
6141         pex_get_status rather than pwait.
6142         (do_wait): Add pex parameter.  Change all callers.
6143         (collect_execute): Return struct pex_obj * rather than void.  Use
6144         pex routines rather than pexecute.
6145         (fork_execute): Get pex_obj from collect_execute, and pass it to
6146         do_wait.
6147         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
6148         Only declare quit_handler if SIGQUIT is defined.
6149         (scan_libraries): Likewise.
6150         * collect2.h (collect_execute): Update declaration.
6151         (collect_wait): Update declaration.
6152         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
6153         pass it to collect_wait.
6154
6155 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
6156
6157         PR c/20672
6158         * c-parser.c (c_parser_compound_statement_nostart): Give error
6159         message for EOF instead of just setting parser->error.
6160
6161 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
6162
6163         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
6164         (slpeel_update_phi_nodes_for_guard1): New function.
6165         (slpeel_update_phi_nodes_for_guard2): New function.
6166         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
6167         of slpeel_update_phi_nodes_for_guard.
6168         (vectorize_loops): Remove call to loop_closed_rewrite.
6169         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
6170         assertion.
6171
6172 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
6173
6174         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
6175         (TARGET_LITTLE_ENDIAN): New macro.
6176         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
6177         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
6178         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
6179         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
6180         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
6181         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
6182         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
6183         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
6184         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
6185         (TARGET_OPTIONS): Delete.
6186         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
6187         (CACHE_FLUSH_TRAP): Turn into an integer.
6188         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
6189         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
6190         -mflush-trap is in use.
6191         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
6192         (m32r_cache_flush_trap_string): Delete.
6193         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
6194         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
6195         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
6196         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6197         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
6198         -mmodel= and -msdata= handling from...
6199         (m32r_init): ...here.
6200         * config/m32r/m32r.opt: New file.
6201
6202 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
6203
6204         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
6205         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
6206         * tree-vect-analyze.c (vect_object_analysis): additional parm
6207         pass back a "struct ptr_info_def *" with the points-to info.
6208         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
6209         statement using info returned from vect_object_analysis.
6210         * tree-vect-transform.c (update_vuses_to_preheader): New function.
6211         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
6212         for virtual uses and defs when creating a replacement vector
6213         reference.  Call duplicate_ssa_name_ptr_info to define points-to
6214         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
6215         (vectorizable_store): copy_virtual_operands and update
6216         definition statements.
6217         (vectorizable_load): copy_virtual_operands.  Remove call to
6218         mark_call_clobbered_vars_to_rename for call to "const" builtin.
6219         * tree-vectorizer.c (vectorize_loops): Remove calls to
6220         rewrite_into_ssa and bitmap_clear (vars_to_rename).
6221         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
6222         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
6223         define macro STMT_VINFO_PTR_INFO for use in accessing.
6224         * tree.h add export of duplicate_ssa_name_ptr_info.
6225         * rs6000.c (altivec_init_builtins): Declare builtin function
6226         __builtin_altivec_mask_for_load to be "const".
6227
6228 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
6229
6230         PR middle-end/20622
6231         * cgraph.h (struct cgraph_varpool_node): Add alias field.
6232         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
6233         assemble_variable on aliases.
6234         * varasm.c (assemble_alias): Set node->alias.
6235         * toplev.c (wrapup_global_declarations): Don't call
6236         rest_of_decl_compilation on aliases again.
6237
6238 2005-03-29  Paul Brook  <paul@codesourcery.com>
6239
6240         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
6241         * config/arm/arm.c (arm_dbx_register_number): New function.
6242         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
6243
6244 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
6245
6246         PR middle-end/20263
6247         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
6248         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
6249
6250 2005-03-29  Dale Johannesen <dalej@apple.com>
6251
6252         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
6253         $(TREE_H) and $(COVERAGE_H).
6254         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
6255         * opts.c (common_handle_option): Enable tree-based value transforms.
6256         * toplev.c (process_options): Ditto.
6257         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
6258         refers to references to this type.
6259         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
6260         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
6261         for may_be_more, may_be_less.
6262         (rtl_gen_pow2_profiler): Adjust.
6263         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
6264         (rtl_gen_one_value_profiler): Adjust.
6265         (rtl_gen_const_delta_profiler): Adjust.
6266         * tree-profile.c (tree_gen_interval_profiler): Implement.
6267         (tree_gen_pow2_profiler): Ditto.
6268         (tree_gen_one_value_profiler): Ditto.
6269         (tree_profiling): New.
6270         (pass_tree_profile): Reference it.
6271         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
6272         tree.h, gcov-io.h.
6273         (insn_divmod_values_to_profile): Rename to
6274         rtl_divmod_values_to_profile. Adjust.
6275         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
6276         (insn_prefetch_values_to_profile): Adjust.
6277         (rtl_value_profile_transformations): Adjust.
6278         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
6279         (gen_mod_pow2): Rename to rtl_mod_pow2.
6280         (gen_mod_subtract): Rename to rtl_mod_subtract.
6281         (divmod_fixed_value_transform): Rename to
6282         rtl_divmod_fixed_value_transform.
6283         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
6284         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
6285         (rtl_find_values_to_profile): Adjust.
6286         (tree_value_profile_transformations): Implement.
6287         (tree_divmod_values_to_profile): New.
6288         (tree_values_to_profile): New.
6289         (tree_divmod_fixed_value): New.
6290         (tree_mod_pow2): New.
6291         (tree_mod_subtract): New.
6292         (tree_divmod_fixed_value_transform): New.
6293         (tree_mod_pow2_value_transform): New.
6294         (tree_mod_subtract_transform): New.
6295         (tree_find_values_to_profile): Implement.
6296         * profile.c (instrument_values):  Free histograms.
6297         (compute_value_histograms): Adjust. Implement tree version.
6298
6299 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
6300
6301         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
6302         * config/i386/i386.c (output_fix_trunc): Add new round_mode
6303         variable.  Output "fldcw" depending on round_mode.
6304         * config/i386/i386.md (UNSPEC_FIST): New.
6305         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
6306         New isns patterns to implement lrint and llrint built-ins as x87
6307         intrinsic function.
6308         (fistdi2, fist<mode>2 splitters): New splitters.
6309         (lrint<mode>2): New expanders.
6310
6311 2005-03-28  Ian Lance Taylor  <ian@airs.com>
6312
6313         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
6314         0 when calling final_scan_insn.
6315
6316 2005-03-28  Jan Hubicka  <jh@suse.cz>
6317
6318         PR middle-end/20635
6319         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
6320         as needed.
6321
6322         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
6323         types where possible.
6324
6325 2005-03-26  Per Bothner  <per@bothner.com>
6326
6327         Make -f[no-]show-column also control non-cpp diagnostics.
6328         * c.opt (fshow-column): Move option from here ...
6329         * common.opt (fshow-column): ... to here.
6330         * diagnostic.c (diagnostic_build_prefix): Only print column number
6331         if flag_show_column.
6332
6333 2005-03-27  Steven Bosscher  <stevenb@suse.de>
6334
6335         * vax-protos.h (vax_output_int_move, vax_output_int_add,
6336         vax_output_conditional_branch): New prototypes.
6337         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
6338         extracted from vax.md mov and add patterns.
6339         (vax_output_conditional_branch): New function to output conditional
6340         branch instructions.
6341         * vax.md: Use mode macros for arithmetic and mov patterns.
6342         Use code macros for the jump patterns.
6343
6344 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6345
6346         * Makefile.in (libbackend.o): Depend on version files;
6347         add custom generation command.
6348
6349 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6350
6351         PR target/20636
6352         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
6353         sure that we have a REG before getting its REGNO.
6354
6355 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6356
6357         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
6358         * builtins.def (BUILT_IN_STRNDUP): New.
6359
6360 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
6361
6362         PR tree-optimization/20470
6363         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
6364         ABS(x-y).
6365
6366 2005-03-25  Mike Stump  <mrs@apple.com>
6367
6368         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
6369         sized objects.
6370
6371 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
6372
6373         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
6374         Use our own structure definitions.
6375
6376         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
6377         (fix_truncdfsi2): Allow registers or memory as destination.
6378         When TARGET_PPC_GFXOPT, generate simplified pattern.
6379         (fix_truncdfsi2_internal): Use define_insn_and_split.
6380         (fix_truncdfsi2_internal_gfxopt): New.
6381         (fctiwz): Don't confuse register allocation by giving it no choices.
6382         (stfiwx): New.
6383         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
6384         (EXTRA_MEMORY_CONSTRAINT): Likewise.
6385         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
6386         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
6387
6388 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6389
6390         * dominance.c (free_dominance_info): Speed up by freeing et
6391         data structures without maintaining other nodes.
6392         * et-forest.c (et_free_tree_force): New.
6393         * et-forest.h: Add a prototype for et_free_tree_force.
6394
6395         * tree.c (get_set_constructor_bits,
6396         get_set_constructor_bytes): Remove.
6397         * tree.h: Remove the corresponding prototypes.
6398
6399 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6400
6401         PR target/15491
6402         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
6403         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
6404         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
6405         PRE_DEC, NEG and NOT.
6406
6407 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6408
6409         * fold-const.c: Convert uses of fold (build (...)) to
6410         fold_buildN.
6411
6412 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
6413
6414         PR rtl-optimization/20249
6415         * cse.c (insert_regs): Do not record equivalence of registers in
6416         different modes.
6417
6418 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
6419
6420         * emit-rtl.c (reverse_comparison): Remove.
6421         * rtl.h: Remove the corresponding prototype.
6422
6423 2005-03-24  James E Wilson  <wilson@specifixinc.com>
6424
6425         * doc/install.texi (--enable-altivec): Delete docs.
6426
6427 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
6428
6429         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
6430         SFmode and DFmode before reload when
6431         flag_unsafe_math_optimizations not enabled.
6432
6433 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
6434
6435         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
6436
6437         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
6438         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
6439
6440 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
6441
6442         * configure.ac (enable-checking): Add 'runtime' option.
6443         * doc/install.texi (enable-checking): Document 'runtime' checking.
6444         * tsystem.h (gcc_assert, gcc_unreachable): Define.
6445         * config.in: Regenerated.
6446         * configure: Regenerated.
6447
6448 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
6449
6450         * optabs.h (enum optab_index): Remove OTI_llrint.
6451         (llrint_optab): Remove macro.
6452         * optabs.c (init_optabs): Remove llrint_optab initialization.
6453         * genopinit.c (optabs): Remove llrint_optab implementation.
6454         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
6455         using lrint_optab.
6456
6457 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
6458
6459         PR rtl-optimization/20532
6460         * simplify-rtx.c (simplify_binary_operation_1): Protect from
6461         overflow when adding coefficients for PLUS or MINUS.
6462         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
6463         two as multiplier.
6464
6465 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6466
6467         * langhooks.h (truthvalue_conversion): Remove.
6468         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
6469         LANG_HOOKS_TRUTHVALUE_CONVERSION.
6470         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
6471         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
6472         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
6473
6474 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
6475
6476         * params.def: Fix a typo.
6477         * config/mips/mips.c: Follow the spelling convensions.
6478         * doc/invoke.texi: Fix typos.
6479
6480 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
6481
6482         Fix PR tree-optimization/20601
6483
6484         * tree-ssa-pre.c (insert_aux): Add missing condition to
6485         constification.
6486
6487 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6488
6489         * final.c (final_scan_insn): Don't remove no-op instructions.
6490         * reload1.c (reload): Remove simple no-op instructions even when
6491         not optimizing.
6492
6493 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
6494
6495         PR tree-optimization/20501
6496         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
6497         reporting that peeling for alignment is applied moved to...
6498         * (vect_analyze_data_refs_alignment): Here.
6499
6500 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6501
6502         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
6503
6504 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6505
6506         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
6507         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
6508
6509 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
6510
6511         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
6512         imply that this is called once, independent of asms in code.
6513         Adjust to now being pased output and input lists.  Mention helper
6514         function decl_overlaps_hard_reg_set_p.
6515         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
6516         hook_tree_tree_identity and to take three trees, returning third.
6517         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
6518         prototype.
6519         * stmt.c: include hard-reg-set.h before tree.h.
6520         (decl_overlaps_hard_reg_set_p): New function, broken out from...
6521         (decl_conflicts_with_clobbers_p): Call
6522         decl_overlaps_hard_reg_set_p.
6523         (expand_asm_operands): Pass output and input lists in call to
6524         targetm.md_asm_clobbers.
6525         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
6526         hook_tree_tree_tree_tree_3rd_identity.
6527         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
6528         parameters.
6529         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
6530         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
6531         parameters, first two unused.
6532         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
6533         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
6534         in constraint letters and MOF is not mentioned as a asm-declared
6535         register in neither of the input and output lists.
6536
6537 2005-03-23  DJ Delorie  <dj@redhat.com>
6538
6539         * optabs.c (expand_binop): Make sure the first subword's result
6540         gets stored.
6541
6542 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6543
6544         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
6545         Call c_common_truthvalue_conversion rather than
6546         lang_hooks.truthvalue_conversion.
6547         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
6548         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
6549         c-typeck.c.
6550         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
6551         c_common_truthvalue_conversion.
6552         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
6553         c_parser_conditional_expression, c_parser_binary_expression): Call
6554         c_objc_common_truthvalue_conversion.
6555         * c-typeck.c (build_unary_op): Call
6556         c_objc_common_truthvalue_conversion.
6557         (build_conditional_expr): Do not call
6558         lang_hooks.truthvalue_conversion.
6559         (build_binary_op): Call c_common_truthvalue_conversion.
6560         (c_objc_common_truthvalue_conversion): Moved from
6561         c-objc-common.c.  Call default_function_array_conversion instead
6562         of default_conversion.
6563
6564 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6565
6566         * c-common.h (default_conversion): Remove.
6567         (perform_integral_promotions): Add.
6568         * c-tree.h (default_conversion): Add.
6569         * c-typeck.c (perform_integral_promotions): New, split out from
6570         default_conversion.
6571         * c-common.c (check_case_value): Use perform_integral_promotions,
6572         not default_conversion.
6573         (c_add_case_label): Don't continue processing case label after
6574         found to be pointer.
6575
6576 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
6577
6578         * gcc.c (do_spec_1): Do not add a -L path for a directory in
6579         the prefix list if we have already added a multilib directory
6580         based on that path.
6581         (main): Do not add MD_EXEC_PREFIX to the list of directories to
6582         search with -L.
6583
6584 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6585
6586         * reload1.c (indirect_symref_ok, reload_obstack): Make them
6587         static.
6588         * reload.h: Remove the prototype for indirect_symref_ok.
6589
6590         * reload1.c (indirect_symref_ok): Make it global.
6591         * reload.h: Add a prototype for indirect_symref_ok.
6592
6593 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
6594
6595         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
6596         ashlhi3 expander.
6597
6598 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6599
6600         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
6601
6602 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
6603
6604         * c-opts.c (c_common_parse_file): Only start/end main source file
6605         if debug hooks says the writer wants it.
6606         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
6607         member.
6608         (xcoff_debug_hooks): Ditto.
6609         * debug.c (do_nothing_hooks): Ditto.
6610         * debug.h (gcc_debug_hooks): Ditto.
6611         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
6612         * sdbout.c (sdb_debug_hooks): Ditto.
6613         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
6614
6615 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
6616
6617         * doc/extend.texi: Deprecate C++ min/max operators.
6618
6619 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
6620
6621         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
6622         artificial original candidates.
6623
6624 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
6625             Jan Hubicka  <jh@suse.cz>
6626             Steven Bosscher <stevenb@suse.de>
6627
6628         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
6629         call cost based on argument sizes.
6630         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
6631         inlining.
6632         * params.def: (max-inline-inssn-single): Set to 450.
6633         (max-inline-insns-auto): Set to 90.
6634         (max-inline-insns-recursive): Set to 450
6635         (max-inline-insns-recursive-auto): Set to 450.
6636         (large-function-insns): Set to 2700.
6637         (inline-call-cost): New parameter.
6638         * tree-inline.c (estimate_move_cost): New function.
6639         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
6640         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
6641         based on arguments.
6642         * tree-inline.h (estimate_move_cost): Declare.
6643         * invoke.texi: (max-inline-inssn-single): Change default to 450.
6644         (max-inline-insns-auto): Change default to 90.
6645         (max-inline-insns-recursive): Change default to 450
6646         (max-inline-insns-recursive-auto): Change default to 450.
6647         (large-function-insns): Change default to 2700.
6648         (inline-call-cost): Document new parameter.
6649
6650 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
6651
6652         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
6653         (TARGET_DEFAULT): Delete.
6654         * config/i860/i860.opt: New file.
6655
6656 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
6657
6658         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
6659         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
6660         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
6661         (frv_sched_lookahead): Delete.
6662         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
6663         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
6664         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
6665         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
6666         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
6667         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
6668         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
6669         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
6670         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
6671         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
6672         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
6673         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
6674         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
6675         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
6676         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
6677         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
6678         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
6679         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
6680         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
6681         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
6682         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
6683         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
6684         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
6685         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
6686         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
6687         (frv_sched_lookahead): Delete.
6688         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
6689         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6690         (frv_handle_option): New function.  Move -mcpu= handling from...
6691         (frv_override_options): ...here.  Remove handling of other
6692         TARGET_OPTIONS.
6693         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
6694         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
6695         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
6696         and TARGET_NO_MULTI_CE.
6697         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
6698         !TARGET_VLIW_BRANCH.
6699         * config/frv/frv.opt: New file.
6700
6701 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6702
6703         * fold-const.c (fold_ternary): Take decomposed arguments of
6704         CALL_EXPR.
6705         (fold): Update a call to fold_ternary.
6706
6707         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
6708         * tree.h: Add corresponding prototypes.
6709
6710 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
6711
6712         PR target/20561
6713         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
6714         between jump table and its label.
6715         * final.c (shorten_branches): Handle notes in between ADDR_VEC
6716         resp. ADDR_DIFF_VEC and the label preceeding it.
6717         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
6718         is emitted in the right section.
6719
6720 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6721
6722         * fold-const.c (fold_unary, fold_binary): Update comments
6723         about arguments.
6724
6725 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
6726
6727         PR rtl-optimization/20527
6728         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
6729         REG_INC note, test that the register also isn't mentioned in PRED
6730         or SUCC.
6731
6732 2005-03-22  Ben Elliston  <bje@au.ibm.com>
6733
6734         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
6735         and definition.
6736
6737 2005-03-21  Mike Stump  <mrs@apple.com>
6738
6739         * varasm.c (default_assemble_visibility): Remove extra ().
6740
6741 2005-03-21  Roger Sayle  <roger@eyesopen.com>
6742
6743         PR middle-end/20557
6744         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
6745         to determine whether a block can be duplicated, rather than test
6746         whether the block contains noncopyable insns ourselves.
6747
6748 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6749
6750         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
6751         predicates.
6752
6753 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6754
6755         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
6756
6757 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6758
6759         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
6760         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
6761         * config/fr30/fr30.opt: New file.
6762
6763 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
6764
6765         Fix PR tree-optimization/20542
6766
6767         * tree-flow-inline.h (overlap_subvar): Move to here.
6768         * tree-ssa-operands.c: From here.
6769         * tree-flow.h (overlap_subvar): Declare.
6770         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
6771         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
6772         for variables with subvars.
6773
6774 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
6775
6776         PR middle-end/20177
6777         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
6778         * modulo-sched.c (const_iteration_count): Return on NULL
6779         pre-header.
6780         (print_node_sched_params): Return on NULL dump_file.
6781         (generate_reg_moves): Handle reg-anti dependencies and disregard
6782         closing branch when generating register moves.
6783         (sms_schedule): Mark the SMSed block dirty.
6784         * passes.c (rest_of_handle_sms): Call update_life_info for all
6785         basic-blocks.
6786         * testsuite/gcc.dg/20050321-1.c: New test.
6787
6788 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
6789
6790         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
6791         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
6792         movqi_internal): Likewise.
6793
6794 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
6795
6796         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
6797         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
6798         xtensa_b4const): Delete prototypes.
6799         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
6800         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
6801         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
6802         xtensa_extra_constraint): New prototypes.
6803         (add_operand, arith_operand, nonimmed_operand, mem_operand,
6804         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
6805         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
6806         move_operand, const_float_1_operand, fpmem_offset_operand,
6807         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
6808         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
6809         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
6810         argument type to HOST_WIDE_INT.
6811         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
6812         xtensa_mask_immediate): Likewise.
6813         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
6814         Likewise.  Also make these functions static.
6815         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
6816         (xtensa_const_ok_for_letter_p): New.
6817         (add_operand, arith_operand, nonimmed_operand, mem_operand,
6818         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
6819         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
6820         move_operand, const_float_1_operand, fpmem_offset_operand,
6821         branch_operator, ubranch_operator, boolean_operator): Move to
6822         predicates.md.
6823         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
6824         (xtensa_mem_offset): Change return type to bool.
6825         (xtensa_extra_constraint): New.
6826         (gen_int_relational): Update type of const_range_p function pointer.
6827         Use xtensa_b4const_or_zero.
6828         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
6829         xtensa_const_ok_for_letter_p.  Update comments.
6830         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
6831         (PREDICATE_CODES): Delete.
6832         * config/xtensa/xtensa.md: Include predicates.md.
6833         * config/xtensa/predicates.md: New file.
6834
6835 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6836
6837         * config/v850/v850-protos.h: Remove the prototypes for
6838         reg_or_int9_operand, reg_or_const_operand,
6839         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
6840         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
6841         movsi_source_operand, power_of_two_operand,
6842         not_power_of_two_operand, special_symbolref_operand,
6843         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
6844         register_is_ok_for_epilogue.
6845         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
6846         reg_or_int9_operand, reg_or_const_operand,
6847         call_address_operand, special_symbolref_operand,
6848         movsi_source_operand, power_of_two_operand,
6849         not_power_of_two_operand, register_is_ok_for_epilogue,
6850         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
6851         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
6852         predicates.md.
6853         * config/v850/v850.h (PREDICATE_CODES): Remove.
6854         * config/v850/v850.md: Include predicates.md.
6855         * config/v850/predicates.md: New.
6856
6857 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
6858
6859         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
6860         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6861         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
6862         (itoolsdir, itoolsdatadir): Move definition above new first use.
6863         (install-itoolsdirs): New rule.
6864         (install-mkheaders): Depend on install-itoolsdirs, not
6865         install-include-dir.
6866
6867 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6868
6869         * tree-into-ssa.c: Remove obsolete comments.
6870
6871 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
6872
6873         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
6874         unrolling if -fpeel-loops is specified, too.
6875         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
6876         Remove superfluous check for flag_unroll_loops.
6877
6878 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
6879
6880         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
6881         (lrint_optab, llrint_optab): Define corresponding macros.
6882         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
6883         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
6884         pattern and llrint_optab using llrintdi2 patterns.
6885         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
6886         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
6887         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
6888         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
6889         flag_unsafe_math_optimizations is set.
6890
6891 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
6892
6893         * combine.c (combine_simplify_rtx, simplify_if_then_else,
6894         simplify_logical, if_then_else_cond, known_cond,
6895         simplify_comparison): Adjust calls to reverse_comparison.
6896         Don't use combine_reversed_comparison_code).
6897         (combine_reversed_comparison_code): Remove.
6898         (reversed_comparison): Using reversed_comparison_code, move it...
6899         * jump.c (reversed_comparison): ... here.
6900         * rtl.h (reversed_comparison): Add prototype.
6901
6902 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6903
6904         * builtins.c (fold_builtin): Take decomposed arguments of
6905         CALL_EXPR.
6906         * fold-const.c (fold_ternary): Update a call to fold_builtin.
6907         * gimplify.c (gimplify_call_expr): Likewise.
6908         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
6909         * tree.h: Update the prototype of fold_builtin.
6910
6911 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
6912
6913         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
6914         * rtlhooks.c (gen_lowpart_no_emit_general): New.
6915         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
6916         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
6917         * simplify-rtx.c (simplify_binary_operation_1): Use it.
6918
6919 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6920
6921         * builtins.c (fold_builtin_1): Take decomposed arguments of
6922         CALL_EXPR.
6923         (fold_builtin): Update a call to fold_builtin_1.
6924
6925 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
6926
6927         PR other/20564
6928         * gcov.c (output_lines): Only output function block summary when
6929         outputting branch information.
6930         * doc/gcov.texi: Document format of preamble and additional block
6931         information lines.
6932
6933 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6934
6935         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
6936         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
6937         the defaults false if BITS_PER_UNIT != 8.
6938         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
6939         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
6940         than BITS_PER_UNIT != 8.
6941         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
6942         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
6943         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
6944         #undefs.
6945         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
6946         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
6947
6948 2005-03-20  Roger Sayle  <roger@eyesopen.com>
6949
6950         PR middle-end/20539
6951         * fold-const.c (fold_binary): Fix type mismatch between
6952         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
6953         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
6954         for non-truth-valued expressions.
6955
6956         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
6957         and FUNCTION_DECL in the main switch.
6958         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
6959         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
6960         we also need to convert their operands to match.
6961         <TRUTH_NOT_EXPR>: Likewise.
6962
6963 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
6964
6965         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
6966         diagnostic without checking whether an lvalue.
6967         * c-common.h (lvalue_p): Remove.
6968         (enum lvalue_use): Update comment.
6969         (lvalue_or_else): Replace by lvalue_error.
6970         * c-typeck.c (lvalue_p): Make static.
6971         (lvalue_or_else): New.  Call lvalue_error.
6972
6973 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
6974
6975         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
6976         (function_arg_advance): Use rs6000_parm_start.
6977         (function_arg, rs6000_arg_partial_bytes): Likewise.
6978
6979 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6980
6981         * c-common.c (check_case_value): Adjust comment about stripping
6982         NOPs.
6983         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
6984         * c-typeck.c (default_conversion, convert_arguments,
6985         build_modify_expr, convert_for_assignment, store_init_value,
6986         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
6987         manually.  Remove inaccurate comments.
6988
6989 2005-03-20  Roger Sayle  <roger@eyesopen.com>
6990             Joseph S. Myers  <joseph@codesourcery.com>
6991
6992         * varasm.c (do_assemble_alias): Restore comment describing function.
6993         Annotate the target parameter as potentially unused.
6994
6995 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6996
6997         PR target/18551
6998         * config/avr/avr.c (avr_output_function_prologue): Do not use
6999         current_function_name() in a label, use a local label instead.
7000
7001 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7002
7003         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7004         flag_finite_math_only, not flag_unsafe_math_optimizations.
7005
7006 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7007
7008         * builtins.c (fold_builtin_1): Update a call to
7009         targetm.fold_builtin.
7010         * hooks.c (hook_tree_tree_bool_null): Rename to
7011         hook_tree_tree_tree_bool_null.  Take one more argument of type
7012         tree.
7013         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7014         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7015         hook_tree_tree_tree_bool_null.
7016         * target.h (gcc_target): Update the prototype of fold_builtin.
7017         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7018         arguments of CALL_EXPR.
7019         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7020         new prototype.
7021
7022 2005-03-20  Jan Hubicka  <jh@suse.cz>
7023
7024         * cgraph.h (cgraph_node): Add prev_clone pointer.
7025         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7026         (cgraph_clone_node): Produce doubly linked chain.
7027
7028 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7029
7030         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7031         get_nonnull_operand, handle_sentinel_attribute,
7032         check_function_arguments_recurse): Do not strip NOPS from
7033         INTEGER_CSTs.
7034         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7035         Likewise.
7036         * c-format.c (get_constant): Likewise.
7037         * c-parser.c (c_parser_postfix_expression): Likewise.
7038         * c-typeck.c (set_init_index): Likewise.
7039         (convert_arguments): Don't check for NOP_EXPR containing integer
7040         constant.
7041
7042 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7043
7044         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7045         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7046         Take decomposed arguments of CALL_EXPR.
7047         (fold_builtin_1): Update calls to the functions mentioned
7048         above.
7049
7050 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7051
7052         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7053         width to have integer type.
7054         (build_enumerator): Require enumerator value to have integer type.
7055
7056 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7057
7058         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7059         to __builtin_inff.
7060
7061 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7062
7063         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7064         std=iso9899:199x): Correct descriptions.
7065
7066 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7067
7068         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7069         solaris2.1[0-9].
7070
7071 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7072
7073         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7074         of CALL_EXPR.
7075         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7076         fold_builtin_memcpy.
7077
7078         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7079         arguments of CALL_EXPR.
7080         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7081         fold_builtin_found, fold_builtin_1): Update calls to
7082         fold_trunc_transparent_mathfn.
7083
7084 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7085
7086         PR middle-end/20493
7087         * fold-const.c (fold_widened_comparison): Don't optimize casts of
7088         function pointers on targets that require function pointer
7089         canonicalization.
7090         (fold_sign_changed_comparison): Likewise.
7091
7092 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7093
7094         * combine.c (try_combine): When changing the mode of a hard reg, make
7095         sure that doing so is valid.
7096
7097 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
7098
7099         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
7100         (TARGET_HANDLE_OPTION): Override default.
7101         (avr_handle_option): New function.
7102         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
7103         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
7104         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
7105         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
7106         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
7107         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
7108         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
7109         (TARGET_OPTIONS): Delete.
7110         * config/avr/avr.opt: New file.
7111
7112 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7113
7114         * config/m32r/m32r-protos.h: Remove the prototypes for
7115         call_address_operand, symbolic_operand, seth_add3_operand,
7116         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7117         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7118         two_insn_const_operand, move_src_operand,
7119         move_double_src_operand, move_dest_operand,
7120         eqne_comparison_operator, signed_comparison_operator,
7121         large_insn_p, conditional_move_operand, carry_compare_operand,
7122         m32r_block_immediate_operand, extend_operand,
7123         reg_or_eq_int16_operand, int8_operand, and
7124         reg_or_zero_operand.
7125         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7126         seth_add3_operand, int8_operand, cmp_int16_operand,
7127         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7128         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7129         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7130         move_double_src_operand, move_dest_operand,
7131         eqne_comparison_operator, signed_comparison_operator,
7132         extend_operand, small_insn_p, large_insn_p,
7133         conditional_move_operand, carry_compare_operand,
7134         m32r_block_immediate_operand): Move to predicates.md.
7135         (MAX_MOVE_BYTES): Move to m32r.h.
7136         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7137         * config/m32r/m32r.md: Include predicates.md.
7138         * config/m32r/predicates.md: New.
7139
7140 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7141
7142         PR c++/19769
7143         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7144         origin.
7145
7146 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7147
7148         * config/mn10300/mn10300-protos.h: Remove the prototypes for
7149         call_address_operand, const_8bit_operand.
7150         * config/mn10300/mn10300.c (call_address_operand,
7151         const_8bit_operand, const_1f_operand): Move to predicates.md.
7152         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
7153         * config/mn10300/mn10300.md: Include predicates.md.
7154         * config/mn10300/predicates.md: New.
7155
7156 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
7157
7158         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
7159         declarations in diagnostics and %E for identifiers, not %s.
7160
7161 2005-03-18  Jan Hubicka  <jh@suse.cz>
7162             Dale Johannesen  <dalej@apple.com>
7163
7164         * basic-block.h (scale_bbs_frequencies_int,
7165         scale_bbs_frequencies_gcov_type): Declare.
7166         * cfg.c (RDIV): New macro.
7167         (update_bb_frequency_for_threading): Fix.
7168         * basic-block.h (scale_bbs_frequencies_int,
7169         scale_bbs_frequencies_gcov_type): New.
7170         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
7171         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
7172         scale_bbs_frequencies_int.
7173         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
7174
7175 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7176
7177         * config/m32r/m32r-protos.h: Remove the prototypes for
7178         call_address_operand, symbolic_operand, seth_add3_operand,
7179         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7180         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7181         two_insn_const_operand, move_src_operand,
7182         move_double_src_operand, move_dest_operand,
7183         eqne_comparison_operator, signed_comparison_operator,
7184         large_insn_p, conditional_move_operand, carry_compare_operand,
7185         m32r_block_immediate_operand, extend_operand,
7186         reg_or_eq_int16_operand, int8_operand, and
7187         reg_or_zero_operand.
7188         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7189         seth_add3_operand, int8_operand, cmp_int16_operand,
7190         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7191         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7192         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7193         move_double_src_operand, move_dest_operand,
7194         eqne_comparison_operator, signed_comparison_operator,
7195         extend_operand, small_insn_p, large_insn_p,
7196         conditional_move_operand, carry_compare_operand,
7197         m32r_block_immediate_operand): Move to predicates.md.
7198         (MAX_MOVE_BYTES): Move to m32r.h.
7199         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7200         * config/m32r/m32r.md: Include predicates.md.
7201         * config/m32r/predicates.md: New.
7202
7203         * config/pa/pa-protos.h: Add prototypes for magic_milli and
7204         shadd_constant_p.
7205         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
7206         symbolic_operand, symbolic_memory_operand,
7207         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
7208         indexed_memory_operand, move_dest_operand, move_src_operand,
7209         prefetch_cc_operand, prefetch_nocc_operand,
7210         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
7211         arith_operand, arith11_operand, pre_cint_operand,
7212         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
7213         ireg_operand, int5_operand, uint5_operand, int11_operand,
7214         uint32_operand, arith5_operand, and_operand, ior_operand,
7215         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
7216         pc_or_label_operand, div_operand, plus_xor_ior_operator,
7217         shadd_operand, movb_comparison_operator,
7218         cmpib_comparison_operator): Move to predicates.md.
7219         (magic_milli, shadd_constant_p): Make it extern.
7220         * config/pa/pa.h (PREDICATE_CODES): Remove.
7221         * config/pa/pa.md: Include predicates.md.
7222         * config/pa/predicates.md: New.
7223
7224         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7225         predicate.
7226
7227 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7228
7229         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
7230         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
7231         config/alpha/freebsd.h, config/alpha/linux.h,
7232         config/alpha/netbsd.h, config/alpha/osf5.h,
7233         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
7234         config/h8300/h8300-protos.h, config/h8300/h8300.c,
7235         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
7236         doc/cppopts.texi: Update copyright.
7237
7238 2005-03-18  Jan Hubicka  <jh@suse.cz>
7239
7240         PR middle-end/20225
7241         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
7242         too late.
7243         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
7244         called too late.
7245
7246 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7247
7248         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7249         VEC_safe_push.
7250
7251 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
7252
7253         * combine.c (gen_binary): Remove.
7254         (known_cond, simplify_shift_const, find_split_point,
7255         combine_simplify_rtx, simplify_if_then_else, simplify_set,
7256         simplify_logical, expand_field_assignment, extract_left_shift,
7257         force_to_mode, if_then_else_cond, apply_distributive_law,
7258         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
7259         simplify_comparison, reversed_comparison): Replace with
7260         simplify_gen_binary, simplify_gen_relational or
7261         distribute_and_simplify_rtx.
7262         (distribute_and_simplify_rtx): New function.
7263
7264 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
7265             Paolo Bonzini  <gcc.gnu.org>
7266
7267         * calls.c (setjmp_call_p, special_function_p): Update comments
7268         at the head of the functions.
7269
7270 2005-03-18  Jan Hubicka  <jh@suse.cz>
7271
7272         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
7273
7274         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
7275         function body should be released; do not proactively release function
7276         bodies in non-unit-at-a-time mode.
7277
7278 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
7279
7280         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
7281         mno-fp-ret-in-387 multilib variants.
7282
7283 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
7284
7285         * common.opt (m): Remove.
7286         * opts.c (handle_option): Pass 'm' options to set_target_switch if
7287         table lookup fails.
7288         (common_handle_option): Remove OPT_m case.
7289
7290 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7291
7292         * builtins.c (fold_builtin_bitop): Take decomposed arguments
7293         of CALL_EXPR.
7294         (fold_builtin_1): Update a call to fold_builtin_bitop.
7295
7296         * builtins.c (fold_builtin_signbit): Take decomposed arguments
7297         of CALL_EXPR.
7298         (fold_builtin_1): Update a call to fold_builtin_signbit.
7299
7300 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
7301
7302         PR tree-optimization/20474
7303         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
7304         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
7305
7306 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7307
7308         * config/h8300/h8300-protos.h: Remove prototypes for
7309         general_operand_src, general_operand_dst, single_one_operand,
7310         single_zero_operand, call_insn_operand,
7311         two_insn_adds_subs_operand, small_call_insn_operand,
7312         jump_address_operand, bit_operand, bit_memory_operand,
7313         stack_pointer_operand, const_int_gt_2_operand,
7314         const_int_ge_8_operand, const_int_qi_operand,
7315         const_int_hi_operand, incdec_operand, bit_operator,
7316         nshift_operator, eqne_operator, gtle_operator,
7317         gtuleu_operator, iorxor_operator.
7318         Add prototypes for h8sx_shift_type h8sx_classify_shift and
7319         h8300_ldm_stm_parallel.
7320         * config/h8300/h8300.c (h8sx_shift_type,): Move to
7321         h8300-protos.h.
7322         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
7323         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
7324         (h8300_ldm_stm_parallel): Make it extern.
7325         (h8300_ldm_parallel, h8300_stm_parallel,
7326         h8300_return_parallel, general_operand_src,
7327         general_operand_dst, h8300_dst_operand, h8300_src_operand,
7328         nibble_operand, reg_or_nibble_operand, single_one_operand,
7329         single_zero_operand, call_insn_operand,
7330         two_insn_adds_subs_operand, small_call_insn_operand,
7331         jump_address_operand, bit_operand, bit_memory_operand,
7332         stack_pointer_operand, const_int_gt_2_operand,
7333         const_int_ge_8_operand, const_int_qi_operand,
7334         const_int_hi_operand, incdec_operand, eqne_operator,
7335         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
7336         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
7337         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
7338         nshift_operator): Move to predicates.md.
7339         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
7340         * config/h8300/h8300.md: Include predicates.md.
7341         * config/h8300/predicates.md: New.
7342
7343 2005-03-17  Richard Henderson  <rth@redhat.com>
7344
7345         * config.gcc (ia64*-*-hpux*): Add extra_options.
7346         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
7347         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7348         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
7349         (ia64_tls_size_string, ia64_tune_string): Remove.
7350         (ia64_tune): Init to PROCESSOR_ITANIUM2.
7351         (TARGET_DEFAULT_TARGET_FLAGS): New.
7352         (TARGET_HANDLE_OPTION): New.
7353         (ia64_override_options): Move options parsing ...
7354         (ia64_handle_option): ... here.  New.
7355         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
7356         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
7357         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
7358         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
7359         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
7360         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
7361         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
7362         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
7363         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
7364         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
7365         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
7366         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
7367         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
7368         TARGET_EARLY_STOP_BITS): Remove.
7369         (TARGET_ILP32): Default false.
7370         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
7371         (enum ia64_inline_type): New.
7372         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7373         * config/ia64/ia64.md: Update for new definitions of
7374         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
7375         * config/ia64/ia64.opt: New file.
7376         * config/ia64/ilp32.opt: New file.
7377
7378 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7379
7380         PR target/18380
7381         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
7382
7383 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7384
7385         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
7386         instead of MASK_H8300S.
7387         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
7388         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
7389         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
7390         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
7391         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
7392         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
7393         TARGET_SWITCHES): Remove.
7394         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
7395         TARGET_H8300SX.
7396         * config/h8300/h8300.opt: New.
7397
7398         * config/alpha/alpha.opt, config/arc/arc.opt,
7399         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
7400         notices.
7401
7402 2005-03-17  Ian Lance Taylor  <ian@airs.com>
7403
7404         * gmon.c: Remove.
7405
7406 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
7407
7408         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
7409         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
7410         (TARGET_HANDLE_OPTION): Override default.
7411         (arc_handle_option): New function.
7412         (arc_init): Remove code to set arch_cpu_string.
7413         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
7414         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
7415         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
7416         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
7417         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
7418         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
7419         (arc_rodata_string, TARGET_OPTIONS): Delete.
7420         * config/arc/arc.opt: New file.
7421
7422 2005-03-17  Richard Henderson  <rth@redhat.com>
7423
7424         * doc/extend.texi (Weak Pragmas): New section.
7425         (attribute alias): Clarify that target must be in the same
7426         translation unit.
7427
7428 2005-03-17  Richard Henderson  <rth@redhat.com>
7429
7430         * config/alpha/alpha.opt: New file.
7431         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
7432         of alpha_cpu.
7433         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
7434         alpha_fprm_string, alpha_fptm_string): Make static.
7435         (alpha_tls_size_string): Remove.
7436         (alpha_handle_option): New.
7437         (override_options): Update for alpha_cpu/alpha_tune split.
7438         (alpha_file_start): Likewise.
7439         (TARGET_DEFAULT_TARGET_FLAGS): New.
7440         (TARGET_HANDLE_OPTION): New.
7441         * config/alpha/alpha.h (alpha_tune): Declare.
7442         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
7443         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
7444         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
7445         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
7446         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
7447         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
7448         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
7449         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
7450         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
7451         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
7452         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
7453         (TARGET_DEFAULT): Remove MASK_FP.
7454         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
7455         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
7456         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
7457         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
7458         alpha_tls_size_string): Remove.
7459         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
7460         (attribute tune): Rename from attribute cpu.
7461         * config/alpha/ev4.md: Update to match.
7462         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
7463         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
7464         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
7465         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
7466         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
7467         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
7468
7469 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
7470
7471         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
7472         and return without creating new state if before_nops_num is nonzero.
7473         * config/ia64/ia64.md (first_insn): New attribute.
7474         (alloc): Set it to yes.
7475
7476 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7477
7478         * tree-vectorizer.c (new_vec_stmt_info): Initialize
7479         STMT_VINFO_SUBVARS to NULL.
7480         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7481
7482 2005-03-16 Dale Johannesen  <dalej@apple.com>
7483
7484         * rtlanal.c (find_first_parameter_load):  Rewrite to
7485         return actual first param load or the call if none,
7486         instead of first in block, when not all loads exist.
7487
7488 2005-03-16  Roger Sayle  <roger@eyesopen.com>
7489
7490         * optabs.c (expand_copysign_absneg): Make static.
7491         * optabs.h (expand_copysign_absneg): Delete prototype.
7492         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
7493
7494 2005-03-16  Richard Henderson  <rth@redhat.com>
7495
7496         PR middle-end/15700
7497         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
7498         (alias_pairs): Rename from output_defs.
7499         (find_decl_and_mark_needed): Split out from assemble_alias.
7500         (do_assemble_alias): New.
7501         (assemble_output_def): Remove.
7502         (finish_aliases_1, finish_aliases_2): New.
7503         (process_pending_assemble_output_defs): Remove.
7504         (assemble_alias): Defer aliases for which we don't yet have a
7505         non-external decl for the target symbol.
7506         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
7507         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
7508         * toplev.c (compile_file): Use finish_aliases_2 instead of
7509         process_pending_assemble_output_defs.
7510         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
7511         (process_pending_assemble_output_defs): Remove.
7512
7513 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7514
7515         Fix PR tree-optimization/20489
7516
7517         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
7518         for empty structures.
7519
7520 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7521
7522         Fix PR tree-optimization/20490
7523
7524         * tree-ssa-pre.c (create_expression_by_pieces): Use
7525         force_gimple_operand on result of fold.
7526
7527 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
7528
7529         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
7530         of closing parenthesis.
7531
7532 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
7533
7534         * builtins.c (expand_movstr): Update a call to
7535         fold_builtin_strcpy.
7536         (expand_builtin_strncpy): Update a call to
7537         fold_builtin_strncpy.
7538         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
7539         arguments of CALL_EXPR.
7540         (fold_builtin_1): Update calls to fold_builtin_strcpy and
7541         fold_builtin_strncpy.
7542         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7543         * tree.h: Update the prototypes of fold_builtin_strcpy and
7544         fold_builtin_strncpy.
7545
7546 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7547             Dorit Naishlos  <dorit@il.ibm.com>
7548
7549         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
7550         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
7551         error.
7552
7553 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7554
7555         * tree-inline.c (walk_type_fields, walk_tree,
7556         walk_tree_without_duplicates): Move from here...
7557         * tree.c: ...to here.
7558
7559 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
7560
7561         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
7562         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
7563         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7564         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
7565         (version): Define using $(BASEVER_c).
7566         (Makefile, config.status, build/gcov-iov.o): No longer depends on
7567         version.c.
7568         (version.o): Depend on version files; add custom generation command.
7569         (prefix.o): Define BASEVER on command line.
7570         (s-iov): Depend on version files; adjust command.
7571         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
7572         Add gcc-vers.texi.
7573         (gcc-vers.texi): New rule.
7574         (doc/%.info, doc/%.dvi): Add -I . to command line.
7575         (doc/gccinstall.dvi): Likewise.
7576         (PACKAGE): Delete.  All uses replaced with "gcc".
7577         * aclocal.m4: Do not include gcc-version.m4.
7578         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
7579         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
7580         Set is_release based on contents of DEV-PHASE.
7581         Set gcc_version based on contents of BASE-VER.
7582         Define WIN32_REGISTRY_KEY only if the user overrode the default.
7583         * config.in, configure: Regenerate.
7584         * gccbug.in: Determine version of GCC in use at runtime.
7585         * gcov-iov.c: Get version number and development phase from
7586         command line, not by including version.c.
7587         * intl.c: Replace all uses of PACKAGE with "gcc".
7588         * libada-mk.in: Delete unused "gcc_version" variable.
7589         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
7590         * version.c: (VERSUFFIX): New hook for redistributors; adjust
7591         commentary to match.
7592         (version_string): Put together from pieces.
7593         * config/alpha/x-vms: Do not use $(gcc_version).
7594         * config/i386/t-nwld: Likewise.
7595         * doc/include/gcc-common.texi: Include gcc-vers.texi for
7596         version-GCC and DEVELOPMENT.
7597
7598 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7599
7600         PR tree-optimization/17454
7601         * tree.c (tree_size): Add case for TREE_BINFO.
7602         * fold-const.c (fold_checksum_tree): Only clear the overloaded
7603         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
7604
7605 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7606
7607         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
7608         op1 whilst expanding the signed widenening multiply variant.
7609
7610 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
7611
7612         * toplev.c (display_target_options): Avoid unused variable warning if
7613         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
7614         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
7615         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
7616         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
7617         (mips_isa_info): New variable.
7618         (mips_parse_cpu): Remove the first argument and leave the caller
7619         to report errors.
7620         (TARGET_HANDLE_OPTION): Override default.
7621         (mips_handle_option): New function.  Move option validation code from...
7622         (override_options): ...here.  Update calls to mips_parse_cpu.
7623         * config/mips/mips.h (mips_arch_string, mips_tune_string)
7624         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
7625         (SUBTARGET_TARGET_OPTIONS): Delete.
7626         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
7627         (mno-flush-func, mtune=): New options.
7628
7629 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7630             Richard Henderson  <rth@redhat.com>
7631
7632         * real.c (c4x_single_format, c4x_extended_format): Provide values
7633         for signbit_ro for c4x's single and extended floating point formats.
7634         * optabs.c (expand_copysign): Use the floating point format's
7635         signbit_ro for expanding via expand_copysign_absneg, and it's
7636         signbit_rw field for expanding via expand_copysign_bit.
7637
7638 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
7639
7640         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
7641         known_alignment_for_access_p.
7642         (known_alignment_for_access_p): New.
7643         (do_peeling_for_alignment): Field made int instead of bool and renamed
7644         to peeling_for_alignment.
7645         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
7646         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
7647         functionality used to be in vect_analyze_operations.
7648         (vect_analyze_operations): Code to determine vectorization factor was
7649         moved to vect_determine_vectorization_factor.
7650         (vect_enhance_data_refs_alignment): Update to correct alignment when it
7651         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
7652         factor.
7653         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
7654         be part of vect_analyze_operations).
7655         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
7656         creating the guard condition, as the number of iterations may be
7657         constant.
7658         (slpeel_tree_peel_loop_to_edge): Use new name of
7659         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
7660         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
7661         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
7662         (vect_do_peeling_for_alignment): Use fold.
7663         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
7664
7665         (vect_update_inits_of_dr): Renamed to
7666         vect_update_init_of_dr.
7667         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
7668         (vectorizable_store): Fix assertion to use == instead of =.
7669
7670 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
7671
7672         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
7673         call_used_regs for wCG registers.
7674
7675 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
7676
7677         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7678         for non-offsettable memory references to cope with outstanding reload
7679         replacements, take 2.
7680
7681 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
7682
7683         PR target/18668
7684         * config/i386/i386.h (x86_fisttp): New.
7685         (TARGET_FISTTP): New macro.
7686         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
7687         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
7688         instruction when fisttp flag is set.
7689         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
7690
7691         * config/i386/i386.md (type attribute): Add fisttp.
7692         (unit attribute): Set to i387 for fisttp type.
7693         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
7694         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
7695         TARGET_FISTTP.
7696         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
7697         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
7698         macros.
7699         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
7700         patterns for TARGET_FISTTP.  Enable patterns for
7701         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
7702         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
7703         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
7704         implement fisttp x87 insn.
7705         (fix_trunc*_i387_fisttp splitters): New patterns.
7706         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
7707         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
7708         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
7709         clobber.
7710         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
7711         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
7712         Implement using mode macros. Disable patterns for TARGET_FISTTP.
7713         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
7714         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
7715         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
7716         Disable patterns for TARGET_FISTTP.
7717         (fix_trunc*_i387 splitters): Implement usign mode macros.
7718         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
7719         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
7720         (fix_trunx*_sse peephole2s): Implement using mode macros.
7721
7722 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
7723
7724         PR rtl-optimization/20291
7725         * combine.c (try_combine): If splitting fails, re-try with
7726         original combined pattern, i.e. before clobber stripping.
7727
7728 2005-03-14  Eric Christopher  <echristo@redhat.com>
7729
7730         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
7731         STACK_GROWS_DOWNWARD.
7732
7733 2005-03-14  Roger Sayle  <roger@eyesopen.com>
7734
7735         * real.h (struct real_format): Split the signbit field into two
7736         two fields, signbit_ro and signbit_rw.
7737         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
7738         mips_double_format, ieee_extended_motorola_format,
7739         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
7740         ieee_extended_intel_128_format, ibm_extended_format,
7741         mips_extended_format, ieee_quad_format, mips_quad_format,
7742         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
7743         i370_double_format, c4x_single_format, c4x_extended_format,
7744         real_internal_format): Update initializers for new field.
7745         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
7746         real_format structure.
7747         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
7748         field of the real_format structure.
7749
7750 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
7751
7752         Fix PR tree-optimization/20458
7753
7754         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
7755         DECL_EXTERNAL on STRUCT_FIELD tags.
7756         (clear_call_clobbered): Ditto.
7757         * tree-ssa-operands.c (note_addressable): Make sure the original
7758         variable doesn't slip into the addressable list if we have
7759         subvars.
7760         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
7761         tags too.
7762
7763 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
7764
7765         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
7766         (-fwide-exec-charset): Likewise.
7767         (-finput-charset): Likewise.
7768         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
7769         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
7770         * c.opt (Wnormalized): New.
7771
7772 2005-03-14  Devang Patel  <dpatel@apple.com>
7773
7774         * doc/invoke.texi: Add reference to Visibility document.
7775
7776 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
7777
7778         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
7779         MASK_SPLIT_ADDRESSES.
7780         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
7781         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
7782         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
7783         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
7784         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
7785         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
7786         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
7787         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
7788         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
7789         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
7790         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
7791         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
7792         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
7793         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
7794         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
7795         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
7796         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
7797         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
7798         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
7799         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
7800         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
7801         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
7802         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
7803         (TARGET_EXPLICIT_RELOCS): Delete.
7804         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
7805         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
7806         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7807         (override_options): Set MASK_LONG64 if -mint64 is given and no
7808         -mlongXX option is.  Complain about -mint64 -mlong32.
7809         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
7810         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
7811         * config/mips/mips.opt: New file.
7812
7813 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
7814
7815         * config.gcc (extra_options): New variable for listing option files.
7816         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
7817         * configure.ac (extra_opt_files): New AC_SUBST variable.
7818         (tm_file_list, tm_include_list): Include options.h first.
7819         * configure: Regenerate.
7820         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
7821         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
7822         (s-options-h): New rule.
7823         (options.h): Depend on it.
7824         (TEXI_GCCINT_FILES): Add options.texi.
7825         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
7826         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
7827         * target.h (gcc_target): Add default_target_flags and handle_option.
7828         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
7829         (TARGET_HANDLE_OPTION): New macros.
7830         (TARGET_INITIALIZER): Include them.
7831         * opt-functions.awk (opt_args, nth_arg): New functions.
7832         (switch_flags): Handle the "Target" flag.
7833         (var_args): Delete.
7834         (var_name): Use opt_args and nth_arg.
7835         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
7836         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
7837         macros for the "Mask" and "InverseMask" options.
7838         * opts.h (cl_var_cond): New enum.
7839         (cl_option): Replace the "has_set_value" and "set_value" fields with
7840         "var_cond" and "var_value".
7841         (CL_TARGET): New macro.
7842         (option_enabled, print_filtered_help): Declare.
7843         (decode_options): Move definition.
7844         * opts.c (handle_option): Search for the original option before
7845         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
7846         var_cond and var_value fields.  Use targetm.handle_option to handle
7847         target options.
7848         (decode_options): Set target_flags to targetm.default_target_flags.
7849         (print_filtered_help): Make global.  Handle CL_TARGET.
7850         (option_enabled): New function.
7851         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
7852         (display_target_options, set_target_switch, print_switch_values)
7853         (default_pch_valid_p): Guard uses of target_switches with
7854         #ifdef TARGET_SWITCHES.  Also...
7855         (display_target_options): Display the CL_TARGET entries in cl_options.
7856         (set_target_option): Don't complain about the "" option when
7857         TARGET_SWITCHES is undefined.
7858         (print_switch_values): Use option_enabled.
7859         (default_pch_valid_p): Check cl_options[] when looking for something
7860         that has changed the value of target_flags.
7861         * c.opt: Remove documentation from top of file.
7862         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
7863         * doc/sourecebuild.texi: Refer to the new options documentation
7864         instead of c.opt.  Document machine-specific .opt files.
7865         * doc/tm.texi (target_flags): Say that this variable is declared
7866         by options.h.
7867         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
7868         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
7869         an alternative.
7870         * doc/options.texi: New file.
7871
7872 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
7873
7874         PR middle-end/18628
7875         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
7876         register.
7877
7878 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
7879
7880         PR c++/20280
7881         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
7882         temporary variable of pointer type if an lvalues is required.
7883         (gimplify_modify_expr_rhs): Request an rvalue from it.
7884         (gimplify_expr): Pass fallback on.
7885
7886 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7887
7888         * cfgbuild.c: Update comments.
7889
7890 2005-03-14  Roger Sayle  <roger@eyesopen.com>
7891
7892         PR rtl-optimization/17236
7893         * optabs.c (expand_doubleword_mult): New helper function split out
7894         from expand_binop.  Permute the order in which instructions are
7895         emitted to minimize the number of simultaneously live registers.
7896         (expand_binop): Call expand_doubleword_mult to synthesize a double
7897         word multiplication.
7898
7899 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7900
7901         * basic-block.h: Update the prototypes of cached_make_edge and
7902         rtl_make_eh_edge.
7903         * cfg.c (cached_make_edge): Take edge_cache representing one
7904         row of the adjacency matrix of edges.
7905         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
7906         (make_edges): Initialize edge_cache to represent one row of
7907         the adjacency matrix of edges.
7908
7909 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7910
7911         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
7912         New functions.
7913         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
7914         Remove unused removed_phis variable.
7915         (conditional_replacement): Use build1/build2.
7916         (abs_replacement): Use last_and_only_stmt and build1/build2.
7917
7918 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7919
7920         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
7921         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
7922         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
7923         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
7924         * c-common.c (handle_novops_attribute): New function.
7925         (c_common_attribute_table): Add "no vops" entry.
7926         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
7927         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
7928         * tree-ssa-operands.c (get_call_expr_operands): Do not
7929         create virtual operands for calls with ECF_NOVOPS flag.
7930         * tree.h (DECL_IS_NOVOPS): New macro.
7931         (struct tree_decl): Add novops_flag.
7932         (ECF_NOVOPS): New constant.
7933
7934 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
7935
7936         PR target/17688
7937         * config/i386/i386.c (x86_use_himode_fiop): New.
7938         (x86_use_simode_fiop): Rename from x86_use_fiop.
7939         * config/i386/i386.h (x86_use_himode_fiop): Declare.
7940         (TARGET_USE_HIMODE_FIOP): New.
7941         (x86_use_simode_fiop): Rename from x86_use_fiop.
7942         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
7943
7944         * config/i386/i386.md (X87MODEI12): New mode macro define.
7945         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
7946         to implement x87 FP compare with HImode input operands.
7947         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
7948         Use X87MODEI12 mode macro to handle HImode input operands.
7949         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
7950         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
7951         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
7952         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
7953         macro to implement x87 operators with HImode input operands.
7954         (fop splitters): Use X87MODEI12 mode macro to handle HImode
7955         input operands.
7956
7957 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7958
7959         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
7960         integer_zerop.
7961         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
7962         constants invariant.
7963
7964 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7965
7966         * basic-block.h (BB_VISITED): Removed.
7967         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
7968
7969 2005-03-14  Falk Hueffner  <falk@debian.org>
7970
7971         PR bootstrap/20424
7972         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
7973
7974 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7975
7976         * ggc-zone.c: Fix comment typos.
7977
7978         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
7979         stringpool.c, config/mips/mips-protos.h: Update copyright.
7980
7981 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
7982
7983         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
7984         throughout with its typedef, "rtx".
7985         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
7986         (rs6000_tls_symbol_ref_1): Remove inline keyword.
7987         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
7988         regs in comment to match code.
7989
7990 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7991
7992         * except.c (check_handled): Make it static.
7993         * except.h: Remove the corresponding prototype.
7994
7995         * function.c (get_func_frame_size): Make it static.
7996         * function.h: Remove the corresponding type.
7997
7998         * regclass.c (reg_class_superclasses, reg_class_subclasses):
7999         Make them static.
8000         * hard-reg-set.h: Remove the corresponding declarations.
8001
8002         * tree-cfg.c (verify_stmts): Check that
8003         bb_for_stmt (stmt) == bb for every PHI node and statement.
8004
8005 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8006
8007         * config.gcc: Remove excess indentation.
8008         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8009
8010 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8011
8012         PR middle-end/19331
8013         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8014         * fold-const.c (fold_sign_changed_comparison): Likewise.
8015         (fold_binary): Optimize comparisons against widened operands if
8016         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8017
8018 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8019
8020         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8021         (sparc_override_options): Initialize it.
8022         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8023
8024 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8025
8026         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8027         (reg_or_none500mem_operand): New predicate.
8028         (zero_reg_mem_operand): New predicate.
8029         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8030         to reg_or_none500mem_operand.
8031         (extendsfdf2_fpr): Add MEM alternative.
8032         (extenddftf2_internal): Change operand2 predicate to
8033         zero_reg_mem_operand.
8034
8035 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8036
8037         * ggc-zone.c: Rewritten.
8038
8039         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8040         if there are none.
8041         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8042         * config.in: Regenerated.
8043         * configure: Regenerated.
8044         * gengtype.c (write_types_process_field, write_func_for_structure):
8045         Pass new argument to gt_pch_note_object.
8046         * ggc-common.c (struct ptr_data): Add TYPE.
8047         (gt_pch_note_object): Take TYPE argument and save it.
8048         (call_count): Update call to ggc_pch_count_object.
8049         (call_alloc): Update call to ggc_pch_alloc_object.
8050         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8051         file.
8052         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8053         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8054         (ggc_alloc_zone_stat): Delete.
8055         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8056         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8057         (ggc_pch_alloc_object): Update prototypes.
8058         (garbage_zone): Delete.
8059         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8060         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8061         pointers.
8062         (tree_id_zone): New variable.
8063         (ggc_alloc_cleared_zone): Remove unused.
8064         (ggc_alloc_zone): Define.
8065         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8066         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8067         ggc_alloc_zone_stat.
8068         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8069         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8070         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8071         (make_node_stat): Likewise.  Use tree_id_zone.
8072
8073 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8074             Joseph S. Myers  <joseph@codesourcery.com>
8075
8076         * configure.ac: Check for MIPS TLS.
8077         * configure: Regenerated.
8078         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8079         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8080         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8081         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8082         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8083         (mips_classify_symbol, mips_symbolic_constant_p)
8084         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
8085         (mips_tls_operand_p, mips_call_tls_get_addr)
8086         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
8087         (mips_tls_symbol_ref_1): New functions.
8088         (mips_legitimize_address, mips_legitimize_const_move): Call
8089         mips_legitimize_tls_address.
8090         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
8091         for MIPS16.
8092         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
8093         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
8094         (mips_char_to_class): Document V1_REG.
8095         (HAVE_AS_TLS): Provide default.
8096         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
8097         constants.
8098         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
8099         !TARGET_ABICALLS.
8100         (tls_get_tp_<mode>): New instruction.
8101
8102 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8103
8104         * configure.ac: Update checks for target tools.
8105         * configure: Regenerated.
8106
8107 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8108
8109         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8110
8111 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8112
8113         * expmed.c (expand_mult): Use synthetic multiplication sequences for
8114         more classes of DImode multiplication by constant.  Allow both
8115         multiplication by small negative constants (by performing a
8116         multiplication by a positive constant and negating the result) and
8117         multiplications by large powers of two, by using a left shift.
8118
8119 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8120
8121         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8122         of basic blocks into work_stack.
8123
8124         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8125         config/mips/vr.h: Update copyright.
8126
8127         * c-decl.c (c_init_decl_processing): Remove useless calls to
8128         build_function_type.
8129
8130         * builtins.c (fold_trunc_transparent_mathfn,
8131         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
8132         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8133         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
8134         fold_builtin_strcpy, fold_builtin_strncpy,
8135         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
8136         TREE_TYPE (exp).
8137
8138         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8139         before_call.
8140
8141         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8142         variable determinant.
8143
8144         * tree-cfg.c (group_case_labels): Remove local variable type.
8145
8146         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8147         variable ann.
8148
8149         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8150         result.
8151
8152 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8153
8154         PR target/18251
8155         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8156         (*movmemqi_insn): Delete.
8157         (*movmemhi): Delete.
8158
8159 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8160
8161         * builtins.c (fold_builtin_classify): Take decomposed
8162         arguments of CALL_EXPR.
8163         (fold_builtin_1): Update a call to fold_builtin_classify.
8164
8165 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
8166
8167         PR c/20402
8168         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
8169         through into call to parser_xref_tag after parse error.
8170         (c_parser_struct_declaration): Consistently return NULL_TREE on
8171         error.
8172
8173 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
8174
8175         * tree-flow-inline.h (ref_contains_array_ref): New function.
8176         (lookup_subvars_for_var): Ditto.
8177         (get_subvars_for_var): Ditto.
8178         (var_can_have_subvars): Ditto.
8179
8180         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8181         (struct subvar): New type.
8182
8183         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8184
8185         * tree-optimize.c (init_tree_optimization_passes): Call
8186         pass_create_structure_vars.
8187
8188         * tree-ssa-alias.c: Include vec.h.
8189         (init_alias_info): Don't auto-clear call clobbered on struct-field
8190         tags.
8191         (compute_flow_insensitive_aliasing): Handle subvars.
8192         (group_aliases): Handle STRUCT_FIELD aliases.
8193         (setup_pointers_and_addressables): Ditto.
8194         Don't mark variables non-addressable if they still have
8195         addressable subvars.
8196         Also mark subvars addressable when the real variable is marked
8197         addressable.
8198         (add_pointed_to_var): Try to prune the pointed-to set by only
8199         pointing to subvars when possible.
8200         Otherwise, make sure we set addresses_needed and pt_vars to
8201         properly include subvars.
8202         (bitpos_of_field): New function.
8203         (push_fields_onto_fieldstack): Ditto.
8204         (get_or_create_used_part_for): Ditto.
8205         (create_overlap_variables_for): Ditto.
8206         (find_used_portions): Ditto.
8207         (create_structure_vars): Ditto.
8208         (pass_create_structure_vars): New structure.
8209
8210         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
8211         (get_expr_operands): Handle subvars.  Also try to turn
8212         COMPONENT_REF accesses into must-defs now that we can accurately
8213         portray it.
8214         (note_addressable): Try to only mark as addressable those subvars
8215         we know a COMPONENT_REF touches.
8216         (overlap_subvar): New function.
8217
8218         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
8219         Handle subvar storing.
8220         (vect_address_analysis): Update caller of vect_object_analysis.
8221
8222         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8223
8224         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8225         (STMT_VINFO_SUBVARS): New macro.
8226
8227         * common.opts: add flag_tree_salias.
8228
8229         * opts.c (decode_options): flag_tree_salias defaults to on.
8230
8231         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8232
8233         * doc/tree-ssa.texi: Document structural alias analysis.
8234
8235 2005-03-12  Steven Bosscher  <stevenb@suse.de>
8236
8237         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
8238         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
8239         * tree-ssa-operands.c (get_expr_operands): Likewise.
8240         (get_expr_operands): Likewise for ERROR_MARK.
8241
8242 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8243
8244         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8245         var.
8246
8247         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8248         removed_phis.
8249
8250         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8251         (mark_operand_necessary): Remove local variable ver.
8252
8253         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8254         variable prefix_len.
8255
8256         * value-prof.c (mod_subtract_transform): Remove local variable
8257         value.
8258
8259         * builtins.c (fold_builtin_exponent): Take decomposed
8260         arguments of CALL_EXPR.
8261         (fold_builtin_1): Update a call to fold_builtin_exponent.
8262
8263         * builtins.c (fold_builtin_logarithm): Take decomposed
8264         arguments of CALL_EXPR.
8265         (fold_builtin_1): Update a call to fold_builtin_logarithm.
8266
8267         * c-decl.c (c_init_decl_processing): Remove local variables
8268         ptr_ftype_void and ptr_ftype_ptr.
8269
8270         * gimplify.c (gimplify_expr): Remove local variables r0 and
8271         r1.
8272
8273         * reg-stack.c (move_for_stack_reg): Remove local variable
8274         push_insn.
8275         (compare_for_stack_reg): Remove local variable flags_user.
8276         (convert_regs_1): Remove local variable deleted.
8277
8278         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
8279         variable new_cond.
8280         (combine_blocks): Remove local variables exits and new_e.
8281
8282         * tree-inline.c (expand_call_inline): Remove local variable
8283         decl.
8284
8285         * tree-ssa-live.c (create_ssa_var_map,
8286         calculate_live_on_entry): Remove local variable snn.
8287
8288 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
8289
8290         * c-lex.c (c_lex_with_flags): Add parameter to call to
8291         cpp_spell_token.
8292
8293 2005-03-11  Per Bothner  <per@bothner.com>
8294
8295         * c-tree.h (struct c_declarator): New id_loc field.
8296         * c-pragma.h (c_lex_with_flags): Take position reference.
8297         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
8298         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
8299         (c_lex): Pass dummy location to c_lex_with_flags.
8300         * c-parser.c (c_lex_one_token): Set c_token's location using
8301         c_lex_with_flags, instead of input_location, which might be "ahead".
8302         (c_parser_direct_declarator): Set declarator's id_loc from
8303         c_token's id_loc.
8304         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
8305         declarator's id_loc, rather than probably-imprecise input_location.
8306         (build_id_declarator): Initialize c_declarator's id_loc field.
8307
8308 2005-03-11  Roger Sayle  <roger@eyesopen.com>
8309
8310         PR middle-end/20419
8311         * builtins.c (expand_builtin_signbit): Force the signbit's word
8312         into an integer register to avoid SUBREGs of floating point modes.
8313
8314 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8315
8316         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
8317         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
8318         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
8319         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
8320
8321 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
8322
8323         PR rtl-optimization/20306
8324         * expr.c (emit_move_complex): Set try_int false if mode is
8325         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
8326         emit_block_move if try_int is true.
8327
8328 2005-03-11  Richard Henderson  <rth@redhat.com>
8329
8330         PR target/20415
8331         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
8332         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
8333         to match.
8334
8335 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8336
8337         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
8338         (TARGET_FIX_VR4130): New macro.
8339         (TARGET_OPTIONS): Add -mfix-vr4130.
8340         (ISA_HAS_MACCHI): New macro.
8341         (ASM_SPEC): Add -mfix-vr4130.
8342         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
8343         (override_options): Handle mips_fix_vr4130_string.
8344         (mips_avoid_hazards): Clear all_noreorder_p
8345         if we're working around VR4130 errata and the macc alternatives
8346         are not available.
8347         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
8348         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
8349         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
8350         (MULTILIB_DEFAULTS): Remove leading "march=".
8351         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
8352         if no architecture option is given.
8353         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
8354         VR4130 multilibs.
8355         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
8356         * doc/invoke.texi: Document -mfix-vr4130.
8357
8358 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8359
8360         * config/mips/mips.c (override_options): Only warn about -mint64
8361         deprecation if TARGET_INT64.
8362
8363 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8364
8365         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
8366         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
8367         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
8368         are non-specific regarding the nonnull parameter positions.
8369         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
8370         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
8371         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
8372         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
8373
8374         * builtins.def: Use the non-specific "nonnull" attibute lists.
8375
8376 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8377
8378         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8379         single_pred_edge, single_succ, single_pred): Improve comments.
8380
8381 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8382
8383         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8384         single_pred_edge, single_succ, single_pred): New inline functions.
8385         * bb-reorder.c (rotate_loop, find_traces_1_round,
8386         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
8387         duplicate_computed_gotos): Use the single_succ/pred functions.
8388         * cfganal.c (forwarder_block_p): Ditto.
8389         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
8390         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8391         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
8392         merge_seq_blocks): Ditto.
8393         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
8394         * cfglayout.c (fixup_reorder_chain): Ditto.
8395         * cfgloop.c (mark_single_exit_loops, update_latch_info,
8396         canonicalize_loop_headers, verify_loop_structure): Ditto.
8397         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
8398         mfb_update_loops, create_preheader, force_single_succ_latches,
8399         create_loop_notes): Ditto.
8400         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
8401         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
8402         commit_one_edge_insertion, purge_dead_edges,
8403         cfg_layout_can_merge_blocks_p): Ditto.
8404         * except.c (sjlj_emit_function_enter): Ditto.
8405         * flow.c (init_propagate_block_info): Ditto.
8406         * function.c (thread_prologue_and_epilogue_insns): Ditto.
8407         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
8408         insert_insn_end_bb): Ditto.
8409         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
8410         find_if_case_2): Ditto.
8411         * lambda-code.c (perfect_nestify): Ditto.
8412         * lcm.c (optimize_mode_switching): Ditto.
8413         * loop-doloop.c (doloop_modify): Ditto.
8414         * loop-init.c (loop_optimizer_init): Ditto.
8415         * loop-iv.c (simplify_using_initial_values): Ditto.
8416         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
8417         * loop-unswitch.c (unswitch_loop): Ditto.
8418         * modulo-sched.c (generate_prolog_epilog): Ditto.
8419         * predict.c (combine_predictions_for_insn, estimate_probability,
8420         tree_estimate_probability, last_basic_block_p,
8421         estimate_bb_frequencies): Ditto.
8422         * profile.c (branch_prob): Ditto.
8423         * regrename.c (copyprop_hardreg_forward): Ditto.
8424         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
8425         * tracer.c (layout_superblocks): Ditto.
8426         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
8427         cfg_remove_useless_stmts_bb, cleanup_control_flow,
8428         cleanup_control_expr_graph, disband_implicit_edges,
8429         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
8430         tree_verify_flow_info, tree_make_forwarder_block,
8431         tree_forwarder_block_p, remove_forwarder_block,
8432         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
8433         * tree-if-conv.c (tree_if_conversion): Ditto.
8434         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
8435         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
8436         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
8437         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
8438         copy_loop_headers): Ditto.
8439         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
8440         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
8441         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
8442         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
8443         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
8444         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
8445         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
8446         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
8447         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
8448         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
8449         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
8450         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
8451         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
8452         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
8453         slpeel_add_loop_guard): Ditto.
8454
8455 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
8456
8457         PR tree-optimization/15784
8458         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8459         and -1 - A to ~A.
8460
8461         * stmt.c (expand_case): Don't change index_type.  Convert minval
8462         to the proper type.
8463
8464         PR tree-optimization/20130
8465         * fold-const.c (fold): Fold x * -1 into -x.
8466
8467 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
8468
8469         PR rtl-optimization/20331
8470         * rtlanal.c (modified_between_p): Check its address first for MEM.
8471         (modified_in_p): Likewise.
8472
8473 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
8474
8475         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
8476
8477 2005-03-10  Steven Bosscher  <stevenb@suse.de>
8478
8479         * expr.c (expand_expr_real_1): If possible, use a conditional
8480         move for expanding MIN_EXPR and MAX_EXPR.
8481         Use temp for moving around rtx-en.
8482
8483 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
8484
8485         PR rtl-opt/20412
8486         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
8487         correct mode.
8488
8489 2005-03-10  Roger Sayle  <roger@eyesopen.com>
8490
8491         * builtins.c (expand_builtin_signbit): Extend to handle floating
8492         point modes wider than the largest integer type, using the
8493         operand_subword_force function to obtain the signbit's word.
8494
8495 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
8496
8497         PR target/20322
8498         * combine.c (try_combine): If recog_for_combine added CLOBBERs
8499         to NEWI2PAT, fail to combine if they are used by NEWPAT.
8500
8501 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
8502
8503         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
8504
8505 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
8506
8507         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
8508         type void.
8509         (perform_edge_inserts): Unconditionally call
8510         free_dominator_info.
8511
8512         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
8513
8514 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
8515
8516         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
8517
8518 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
8519
8520         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
8521
8522         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
8523         gcc_unreachable.
8524         (rtl_register_value_prof_hooks,
8525         tree_value_profile_transformations,
8526         tree_register_value_prof_hooks): Likewise.
8527         * var-tracking.c (stack_adjust_offset_pre_post,
8528         variable_htab_free, variable_union, dataflow_set_different_2,
8529         count_uses, variable_was_changed, set_frame_base_location,
8530         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
8531         vt_add_function_parameters): Likewise.
8532         * varasm.c (named_section_real, named_section, make_decl_rtl,
8533         asm_emit_uninitialised, assemble_integer, decode_addr_const,
8534         const_hash_1, compare_constant, copy_constant, force_const_mem,
8535         output_constant_pool_2, output_constant_pool_1, output_constant,
8536         output_constructor, make_decl_one_only, decl_tls_model,
8537         default_no_named_section, default_elf_select_section_1,
8538         default_unique_section_1): Likewise.
8539         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
8540         * vmsdbgout.c (addr_const_to_string): Likewise.
8541
8542         PR c++/20375
8543         * function.c (struct assign_parm_data_one): Remove last_named
8544         field.
8545         (assign_parm_find_data_types): Don't determine last_named.
8546         Reorder named_parm determination.
8547         (assign_parms): Only setup varargs on the last non-varadic
8548         parameter.
8549
8550 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
8551
8552         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
8553         sda base address on medium model.
8554
8555 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
8556
8557         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
8558         * cfgloop.c (flow_loop_nodes_find): Export.
8559         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
8560         Declare.
8561         * cfgloopmanip.c (fix_loop_structure): New function.
8562         * predict.c (predict_loops): Clean up the loops information.
8563         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
8564         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
8565         loop structure.
8566         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
8567         (rewrite_into_loop_closed_ssa): Declaration changed.
8568         * tree-loop-linear.c (linear_transform_loops): Add argument to
8569         rewrite_into_loop_closed_ssa call.
8570         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8571         * tree-ssa-loop-im.c (move_computations): Ditto.
8572         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8573         * tree-vectorizer.c (vectorize_loops): Ditto.
8574         * tree-optimize.c: Include cfgloop.h.
8575         (execute_todo): Choose whether to call cleanup_tree_cfg or
8576         cleanup_tree_cfg_loop.
8577         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
8578         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
8579         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
8580         cleanup_tree_cfg_loop call.
8581         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
8582         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
8583         work on part of cfg.
8584
8585 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
8586
8587         PR inline-asm/20314
8588         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
8589         with multiple alternatives.
8590
8591         * stmt.c (parse_output_constraint): Fix a typo.
8592
8593 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
8594
8595         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
8596         assembly directive instead of deprecated "no-generics".
8597
8598 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
8599
8600         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8601         for non-offsettable memory references to cope with outstanding reload
8602         replacements.
8603         * config/s390/s390.md ("reload_outti"): Call find_replacement to
8604         avoid losing outstanding address reloads.
8605         ("reload_outdi", "reload_outdf"): Likewise.
8606
8607 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8608
8609         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
8610         code.  Add more cbrt transformations.
8611
8612 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8613
8614         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
8615
8616 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
8617
8618         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
8619         NULL_TREE when a given tree is not simplified.
8620         (fold): Return the original tree when any of the functions
8621         mentioned above NULL_TREE.
8622
8623         * fold-const.c (fold_unary, fold_binary): Take decomposed
8624         arguments, code, type, op0, and op1 in case of fold_binary.
8625         (fold): Update calls to fold_unary and fold_binary.
8626
8627 2005-03-09  Roger Sayle  <roger@eyesopen.com>
8628
8629         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
8630         a fndecl and an arglist instead of a CALL_EXPR, exp.
8631
8632 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
8633
8634         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
8635
8636         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
8637
8638         * expr.c (expand_assignment): Remove orig_to_rtx.
8639
8640         * fold-const.c (int_const_binop): Remove no_overflow.
8641
8642         * ifcvt.c (noce_emit_move_insn): Remove inmode.
8643
8644         * loop-iv.c (get_biv_step_1): Remove lhs.
8645
8646         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
8647
8648         * real.c (real_nan): Remove neg.
8649
8650         * function.c (thread_prologue_and_epilogue_insns): Remove i
8651         and newinsn.
8652
8653         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
8654         tb.
8655
8656         * tree-eh.c (tree_could_trap_p): Remove idx.
8657
8658         * tree-into-ssa.c (ann): Remove ann.
8659
8660         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
8661
8662         * tree-sra.c (decide_block_copy): Remove inst_count.
8663
8664         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
8665
8666         * tree-ssa-loop-im.c (lhs): Remove.
8667
8668         * cfgbuild.c (state, STATE, SET_STATE,
8669         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
8670         make_edges.
8671         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
8672         (find_basic_blocks): Set the state of each basic block to
8673         BLOCK_NEW.
8674
8675 2005-03-08  Jeff Law  <law@redhat.com>
8676
8677         * tree-cfg.c (cleanup_control_flow): If removal of a computed
8678         goto results in the removal of edges in the CFG, then we need
8679         to recompute dominators.
8680
8681 2005-03-09  Ben Elliston  <bje@au.ibm.com>
8682
8683         * c-common.c (c_do_switch_warnings): Comment fix.
8684
8685 2005-03-08  Julian Brown  <julian@codesourcery.com>
8686
8687         * Patch from 2005-03-08 reverted for causing regressions and
8688         ppc-darwin bootstrap failure.
8689
8690 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
8691
8692         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
8693         Define the real function for ppc-darwin.
8694         * c-typeck.c (convert_arguments): Check for target-specific
8695         invalid argument call to unprototyped function.
8696         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8697         New Macro.
8698         * target.h (invalid_arg_for_unprototyped_fn): New field
8699         in struct calls.
8700         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
8701         default target hook.
8702         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
8703         Declare.
8704
8705 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8706
8707         * c-typeck.c (constructor_stack, constructor_range_stack,
8708         initializer_stack): Make them static.
8709
8710         * cfg.c (rbi_pool): Make it static.
8711
8712         * gimple-low.c (lower_stmt_body): Make it static.
8713         * tree-flow.h: Remove the corresponding prototype.  Don't
8714         declare lower_data.
8715
8716         * sched-deps.c (cache_size): Make it static.
8717
8718         * stor-layout.c (lang_adjust_rli): Make it static.
8719
8720 2005-03-08  Julian Brown  <julian@codesourcery.com>
8721
8722         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8723         from being used for symbols with vague linkage when
8724         HAVE_GAS_COMDAT_GROUP is true.
8725
8726 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
8727
8728         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
8729         nlabel == JUMP_LABEL (jump).
8730
8731 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8732
8733         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
8734         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
8735         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
8736         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
8737
8738 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
8739
8740         PR c/14411
8741         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
8742         * c-common.c (handle_returns_twice): New function.
8743         (c_common_attribute_table): Declare eturns_twice' attribute.
8744         * doc/extend.texi: Document eturns_twice' attribute.
8745         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
8746         (struct tree_decl): Add returns_twice_flag.
8747
8748 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8749
8750         * tree-ssa-phiopt.c: Fix a comment typo.
8751
8752         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
8753         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
8754         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
8755         copyright.
8756
8757 2005-03-08  Richard Henderson  <rth@redhat.com>
8758
8759         * config/alpha/alpha.c (code_for_builtin): Replace special-case
8760         builtin codes with ctzdi2, clzdi2, popcountdi2.
8761         (struct alpha_builtin_def): Add is_const.
8762         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
8763         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
8764         (alpha_init_builtins): Init them.  Set nothrow and const attributes
8765         on builtins.
8766         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
8767         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
8768         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
8769         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
8770         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
8771         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
8772         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
8773         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
8774         (TARGET_FOLD_BUILTIN): New.
8775         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
8776         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
8777         (ffsdi2): Use ctz.
8778         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
8779
8780 2005-03-08  Ira Rosen  <irar@il.ibm.com>
8781
8782         PR tree-optimization/20122
8783         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
8784         condition of access function instead of base.
8785
8786 2005-03-07  Jeff Law  <law@redhat.com>
8787             Steven Bosscher  <stevenb@suse.de>
8788
8789         * tree-cfg.c (find_taken_edge_computed_goto): New function.
8790         (find_taken_edge): Call find_taken_edge_computed_goto as
8791         appropriate.  Allow any gimple invariant rather than just
8792         INTEGER_CST for VAL.
8793         (cleanup_control_flow): Cleanup a computed goto which has turned
8794         into a simple goto.
8795         (tree_merge_blocks): If block B has any forced labels, move
8796         them to the start of block A.
8797         * tree-ssa-dom.c (thread_across_edge): Allow threading across
8798         computed gotos as well.
8799         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
8800         removal of unnecessary computed gotos too.
8801         (lookup_redirection_data): Fix type of INSERT argument.  Callers
8802         updated.
8803
8804 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8805
8806         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
8807         Remove trailing spaces.
8808
8809         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
8810         unshare_all_trees): Make them static.
8811         * tree-gimple.h: Remove the corresponding prototypes.
8812
8813         * diagnostic.h: Remove unused prototype
8814         debug_output_buffer.
8815         * modulo-sched.c: Remove unused prototype
8816         set_row_column_for_ps.
8817
8818         * tree-ssa-phiopt.c (tree_ssa_phiopt,
8819         replace_phi_edge_with_variable): Remove unused variable i.
8820
8821 2005-03-07  Per Bothner  <per@bothner.com>
8822
8823         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
8824
8825 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
8826
8827         PR tree-opt/17671
8828         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
8829         bbs on the COND_EXPR instead of the PHI_NODEs.
8830         (candidate_bb_for_phi_optimization): Remove.
8831         (replace_phi_with_stmt): Rename to ...
8832         (replace_phi_edge_with_variable): this and change so that we
8833         replace the phi argument instead of removing the PHI.
8834         (conditional_replacement): Change so we deal with PHI with more
8835         than two arguments.
8836         (value_replacement): Likewise.
8837         (abs_replacement): Likewise.
8838
8839 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
8840
8841         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
8842         output_e500_flip_gt_bit.
8843
8844         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
8845         as bit 31.
8846         (rs6000_generate_compare): Fix logic to look at the correct bits.
8847         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
8848         Look at GT bit.
8849         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
8850         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
8851         gen_move_from_CR_gt_bit.
8852
8853         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
8854         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
8855         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
8856
8857         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
8858         (E500_CR_IOR_COMPARE): New constant.
8859
8860 2005-03-08  Earl Chew <earl_chew@agilent.com>
8861             David Billinghurst <David.Billinghurst@riotinto.com>
8862
8863         * config/i386/host-cygwin.c: New file to support precompiled
8864         headers on cygwin
8865         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
8866         * config.host: Use above files for cygwin host.
8867
8868 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
8869
8870         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
8871         ordering ops from earlier change.
8872
8873 2005-03-07  Per Bothner  <per@bothner.com>
8874
8875         Various fixes to allow us to again build if --enable-mapped-location:
8876         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
8877         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
8878         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
8879         local variable loc. Change logic appropriately.
8880         * tree-vect-transform.c (vect_finish_stmt_generation): Use
8881         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
8882         * c-parser.c (c_parser_for_statement): Initialize loc variable.
8883         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
8884         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
8885
8886 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
8887
8888         PR rtl-optimization/19683
8889         * reload1.c (choose_reload_regs): Pass the number of bits, not the
8890         number of bytes, to smallest_int_for_mode.  Fix arguments to
8891         REG_CANNOT_CHANGE_MODE_P.
8892
8893 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8894
8895         * reorg.c (relax_delay_slots): Check that the jump is
8896         conditional before trying to invert it.
8897
8898 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
8899
8900         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
8901         Make them static.
8902
8903         * calls (stack_arg_under_construction): Make it static.
8904
8905         * flow.c (regs_live_at_setjmp): Make it static.
8906         * flow.h: Remove the corresponding prototype.
8907
8908         * reload1.c (reload_startobj, reload_firstobj,
8909         something_needs_operands_changed, reload_inherited,
8910         reload_inheritance_insn, reload_override_in,
8911         reload_spill_index): Make them static.
8912
8913         * recog.c (verify_changes): Make it static.
8914         * recog.h: Remove the corresponding prototype.
8915
8916         * cfgbuild.c (find_sub_basic_blocks): Remove.
8917         * basic-block.h: Remove the corresponding prototype.
8918         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
8919         in comments.
8920         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
8921
8922         * tree-ssa-operands.c (check_build_stmt): Remove.
8923
8924         * stor-layout.c (set_alignment): Remove.
8925         * tree.h: Remove the corresponding prototype.
8926
8927         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
8928
8929         * tree-ssa-dce.c (control_dependence_map,
8930         visited_control_parents): Make them static.
8931
8932         * cfghooks.c (verify_flow_info): Remove local variable
8933         num_bb_notes.
8934
8935         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
8936         last_bb_seen.
8937
8938         * loop-unswitch.c (unswitch_loop): Remove local variable src.
8939
8940 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
8941
8942         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
8943
8944 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
8945
8946         * config/ia64/hpux.h (LINK_SPEC): Add -z.
8947         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
8948         PARALLEL for an empty structure.
8949
8950 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
8951
8952         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
8953
8954         * fold-const.c (fold_binary): Unroll the very first "for"
8955         loop.
8956
8957 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
8958
8959         * config/rs6000/predicates.md (branch_comparison_operator): Remove
8960         redundant match_code test.
8961         (scc_comparison_operator): Swap match_operand and match_code
8962         tests.
8963         (branch_positive_comparison_operator): Same.
8964         (trap_comparison_operator): Use comparison_operator and swap with
8965         match_code test.
8966
8967 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8968
8969         PR target/20288
8970         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
8971         (out_movhi_r_mr): Read low byte of volatile MEM first.
8972         (out_movhi_mr_r): Write high byte of volatile MEM first.
8973
8974 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8975
8976         * cselib.c (reg_values, reg_values_size): Make them static.
8977
8978         * cse.c (cse_reg_info_table): Make it static.
8979
8980         * fold-const.c (fold_unary): Use build1 instead of copy_node.
8981
8982 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
8983
8984         * cse.c (find_best_addr): Use canon_for_address.
8985
8986 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8987
8988         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
8989         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
8990         SUBREG and MEM, respectively.
8991
8992         * fold-const.c (fold_binary): Use code instead of t.
8993
8994         * fold-const.c (optimize_minmax_comparison): Take decomposed
8995         arguments code, type, op0, and op1 instead of t.
8996         (fold_binary): Update a call to optimize_minmax_comparison.
8997
8998         * fold-const.c (fold_range_test): Take decomposed arguments
8999         code, type, op0, and op1 instead of t.
9000         (fold_binary): Update a call to fold_range_test.
9001
9002         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9003         decomposed arguments code, type, op0, and op1 instead of t.
9004         (fold_binary): Update a call to fold_range_test.
9005
9006 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9007
9008         * fold-const.c (fold_binary): Avoid directly using the original
9009         expression t as much as possible.
9010
9011 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9012
9013         * c-semantics.c (build_stmt): Use TYPE_P instead of
9014         IS_NON_TYPE_CODE_CLASS.
9015         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9016         (NON_TYPE_CHECK): Use TYPE_P instead of
9017         IS_NON_TYPE_CODE_CLASS.
9018
9019         * fold-const.c (fold): Remove handling of binary expressions.
9020
9021 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9022
9023         * doc/c-tree.texi: Wrap comments in @r{}.
9024         * doc/cpp.texi: Likewise.
9025         * doc/cppinternals.texi: Likewise.
9026         * doc/extend.texi: Likewise.
9027         * doc/md.texi: Likewise.
9028         * doc/objc.texi: Likewise.
9029         * doc/sourcebuild.texi: Likewise.
9030         * doc/tm.texi: Likewise.
9031         * doc/tree-ssa.texi
9032
9033 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9034
9035         * predict.c (apply_return_prediction): Standardize PHI chain
9036         walking.
9037         * tree-ssa.c (ssa_redirect_edge): Likewise.
9038
9039         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9040         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9041         Update copyright.
9042
9043         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9044         * tree-flow.h: Adjust the prototype for remove_phi_node.
9045         * lambda-code.c (perfect_nestify): Adjust a call to
9046         remove_phi_node.
9047         * tree-cfg.c
9048         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9049         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9050         Likewise.
9051         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9052         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9053         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9054         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9055
9056         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9057         of GEN_INT (trunc_int_for_mode (...)).
9058         * loop-iv.c (iv_number_of_iterations): Likewise.
9059         * postreload.c (reload_cse_move2add): Likewise.
9060         * simplify-rtx.c (simplify_const_unary_operation,
9061         simplify_const_binary_operation): Likewise.
9062         * stor-layout.c (get_mode_bounds): Likewise.
9063
9064         * fold-const.c (fold_binary): New.
9065         (fold): Call fold_binary on binary expressions.
9066
9067 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9068
9069         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9070         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9071         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9072         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9073         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9074
9075 2005-03-04  Devang Patel  <dpatel@apple.com>
9076
9077         PR tree-optimization/18815
9078         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9079         loops with zero exit edges.
9080
9081 2005-03-04  Devang Patel  <dpatel@apple.com>
9082
9083         * doc/invoke.texi: Remove reference to webpage that does not exist.
9084
9085 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9086             Joseph S. Myers  <joseph@codesourcery.com>
9087
9088         PR c++/19797
9089         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
9090         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
9091         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
9092         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9093         maybe_get_identifier instead of get_identifier.
9094         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
9095         (struct deferred_plabel): Replace name field with symbol field.
9096         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
9097         ASM_OUTPUT_EXTERNAL_REAL is defined.
9098         (output_global_address): Use output_addr_const for output of all
9099         symbol_refs.
9100         (output_deferred_plabels): Use symbol_ref instead of name for address
9101         output.
9102         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
9103         ASM_OUTPUT_SYMBOL_REF): New macros.
9104         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
9105         comment.
9106         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
9107         label.
9108
9109 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9110
9111         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9112         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9113
9114 2005-03-04  Jeff Law  <law@redhat.com>
9115
9116         * basic-block.h (rediscover_loops_after_threading): Declare.
9117         * tree-ssa-dom.c: Include cfgloop.h.
9118         (tree_ssa_dominator_optimize): Discover loops and some basic
9119         properties.  Remove forwarder blocks recreated by loop header
9120         canonicalization.  Also mark backedges in the CFG.
9121         * tree-ssa-threadupdate.c: Include cfgloop.h
9122         (rediscover_loops_after_threading): Define.
9123         (struct local_info): New field, JUMP_THREADED.
9124         (prune_undesirable_thread_requests): New function.
9125         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
9126         then record that fact for the callers of redirct_edges.
9127         (thread_block): If BB has incoming backedges, then call
9128         prune_undesirable_thraed_requests.    Note when we are
9129         going to have to rediscover loop information.  Return a
9130         boolean indicating if any jumps were threaded.
9131         (thread_through_all_blocks): Bubble up boolean indicating
9132         if any jumps were threaded.
9133         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
9134         (tree-ssa-threadupdate.o): Similarly.
9135
9136 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9137
9138         * fold-const.c (fold_ternary): Unroll the "for" loop to
9139         extract operands.
9140
9141 2005-03-04  Andrew Haley  <aph@redhat.com>
9142
9143         * unwind-dw2-fde-glibc.c (struct
9144         unw_eh_callback_data.check_cache): New field.
9145         (frame_hdr_cache): New.
9146         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
9147         Cache frame header info.
9148
9149 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
9150
9151         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
9152         (print_c_condition): Declare.
9153         * read-rtl.c (ptr_loc): New structure.
9154         (ptr_locs, ptr_loc_obstack, joined_conditions)
9155         (joined_conditions_obstack): New variables.
9156         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
9157         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
9158         (join_c_conditions, print_c_condition): New functions.
9159         (apply_macro_to_string): Associate the new string with the same
9160         source location as the old one.
9161         (add_condition_to_string): Use join_c_conditions.
9162         (read_string): Use set_rtx_ptr_loc to record a filename and line
9163         number for the string.
9164         (read_rtx): Initialize the new variables above.
9165         * genattrtab.c (write_test_expr, write_attr_value): Use
9166         print_c_condition.
9167         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
9168         comment above the GCC_VERSION check.
9169         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
9170         Inline the definition of MAYBE_EVAL.
9171         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
9172         * genoutput.c (process_template): Likewise.
9173         * genpreds.c (write_predicate_subfunction): Likewise.
9174         (write_predicate_expr): Use print_c_condition.
9175         * genrecog.c (write_cond): Likewise.
9176         * gensupport.c (process_rtx): Use join_c_conditions to join the
9177         conditions of a define_insn_and_split.  Record a source location
9178         for the string after the "&&".
9179         (alter_test_for_insn): Use join_c_conditions.
9180
9181 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
9182
9183         Revert for now:
9184         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9185         PR tree-optimization/15784
9186         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9187         and -1 - A to ~A.
9188
9189 2005-03-04  Ben Elliston  <bje@au.ibm.com>
9190
9191         * gcc.c (option_map): Add --coverage.
9192         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
9193         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
9194         * config/darwin.h: Pass -lgcov for `coverage'.
9195         * doc/invoke.texi (Debugging Options): Document --coverage.
9196
9197 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9198
9199         * gcse.c (bypass_block): Use find_edge wherever possible.
9200
9201 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9202
9203         Fix PR debug/20253
9204
9205         * c-opts.c (c_common_parse_file): Call start_source_file
9206         and end_source_file at the approriate times.
9207
9208         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9209         the main file, it will be done for us now.
9210
9211 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9212
9213         * fold-const.c (fold_ternary): New.
9214         (fold): Call fold_ternary on ternary expressions.  Remove
9215         handling of ternary expressions.
9216
9217 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9218
9219         PR tree-optimization/15784
9220         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9221         and -1 - A to ~A.
9222
9223 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9224
9225         * config/rs6000/predicates.md (branch_comparison_operator):
9226         Convert from C block to conditional format.
9227
9228 2005-03-03  Jan Hubicka  <jh@suse.cz>
9229
9230         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9231         and non-constant public variables.
9232
9233 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9234
9235         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9236         with LABEL_EXPR.
9237
9238         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9239         EDGE_I.
9240
9241         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9242         calls to release_ssa_name and release_phi_node.
9243
9244         * fold-const.c (fold): Remove handling of unary expressions.
9245
9246         * fold-const.c (fold_unary): Avoid directly using the original
9247         expression t as much as possible.
9248
9249 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9250             Andrew Pinski  <pinskia@physics.uc.edu>
9251
9252         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
9253         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
9254
9255 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
9256
9257         Describe special registers SRP and MOF as allocatable registers.
9258         * config/cris/cris.c (cris_md_asm_clobbers): New function.
9259         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
9260         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
9261         TARGET_HAS_MUL_INSNS.
9262         (cris_print_operand) <case 'd'>: New case.
9263         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
9264         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
9265         define.
9266         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
9267         (REG_ALLOC_ORDER): Update for MOF.
9268         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
9269         SPECIAL_REGS.
9270         (GENERAL_REGS): No longer a define of ALL_REGS.
9271         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
9272         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9273         Adjust accordingly.
9274         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
9275         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
9276         (SECONDARY_RELOAD_CLASS): Define.
9277         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
9278         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
9279         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
9280         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
9281         (REGISTER_MOVE_COST): Define.
9282         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
9283         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
9284         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
9285         (CRIS_MOF_REGNUM): New define_constants.
9286         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
9287         special registers.
9288         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
9289         New patterns.
9290         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
9291         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
9292         Adjust for MOF being properly described as a register.
9293         (indir_to_reg_split): Name this split.  Conditionalize on the
9294         destination register being a general register.
9295         (movei): Conditionalize on on operands 0 and 1 having the same
9296         register class.
9297
9298 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
9299
9300         PR target/20277
9301         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
9302         -mcpu to override any other explicitly given flags.
9303
9304 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
9305
9306         * recog.c (verify_changes, confirm_change_group): New functions,
9307         broken out of apply_change_group.
9308         (apply_change_group): Use them.
9309         * recog.h (verify_change, confirm_change_group): Declare.
9310         * rtl.h (redirect_jump_2): Declare.
9311         * jump.c (redirect_exp, invert_exp): Delete.
9312         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
9313         (redirect_jump_2): New function, broken out of redirect_jump.
9314         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
9315         (invert_jump): Use invert_jump_1 and redirect_jump_2.
9316         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
9317
9318 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
9319
9320         * varasm.c (named_section): Use xstrdup rather than doing it by
9321         hand.
9322
9323         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
9324
9325 2005-03-02  Devang Patel  <dpatel@apple.com>
9326
9327         Undo PR tree-optimization/18815 fix.
9328
9329 2005-03-02  Devang Patel  <dpatel@apple.com>
9330
9331         PR tree-optimization/18815
9332         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9333         loops with zero exit edges.
9334
9335 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9336
9337         * cfg.c (connect_src, connect_dest, disconnect_src,
9338         disconnct_dest): New.
9339         (unchecked_make_edge, remove_edge, redirect_edge_succ,
9340         redirect_edge_pred): Use the new functions.
9341
9342         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
9343         free_dominance_info only when needed.
9344
9345 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
9346
9347         PR target/20276
9348         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
9349         (reg_or_sub_cint64_operand): Same.
9350
9351 2005-03-02  Jeff Law  <law@redhat.com>
9352
9353         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
9354         CFG_ALTERED in the main DOM iteration loop.
9355
9356 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
9357
9358         PR c++/19916
9359         * varasm.c (initializer_constant_valid_p): Allow conversions
9360         between OFFSET_TYPEs.  Tidy.
9361
9362 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
9363
9364         * config/cris/cris.md ("return"): Remove epilogue delay list
9365         sanity check.
9366
9367 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
9368
9369         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
9370         for Thumb.
9371         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
9372
9373 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9374
9375         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
9376         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
9377         config/m68k/m68k.c, config/mips/mips.h,
9378         config/rs6000/rs6000-protos.h, doc/contrib.texi,
9379         doc/include/gcc-common.texi: Update copyright.
9380
9381         PR middle-end/18029 and PR middle-end/18030
9382         * expr.c (optimize_bitfield_assignment_op): Add a special case
9383         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
9384
9385         * fold-const.c (fold_unary): New.
9386         (fold): Call fold_unary on unary expressions.
9387
9388 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
9389
9390         * cgraph.h (struct cgraph_edge): Add prev_caller and
9391         prev_callee fields.
9392         (cgraph_node_remove_callees): Export.
9393         * cgraph.c (cgraph_create_edge): Initialize prev_caller
9394         and prev_callee.
9395         (cgraph_edge_remove_callee): New function.
9396         (cgraph_edge_remove_caller): Likewise.
9397         (cgraph_remove_edge): Use.
9398         (cgraph_redirect_edge_callee): Likewise.
9399         (cgraph_node_remove_callees): New function.
9400         (cgraph_node_remove_callers): Likewise.
9401         (cgraph_remove_node): Use.
9402         * tree-optimize.c (tree_rest_of_compilation): Use
9403         cgraph_node_remove_callees instead of manual loop.
9404         * cgraphunit.c (cgraph_finalize_function): Likewise.
9405         (cgraph_expand_function): Likewise.
9406         (cgraph_remove_unreachable_nodes): Likewise.
9407
9408 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
9409
9410         PR c/8927
9411         * c-tree.h (undeclared_variable, build_external_ref): Add extra
9412         argument.
9413         * c-decl.c (undeclared_variable): Take location as argument.
9414         * c-typeck.c (build_external_ref): Likewise.
9415         * c-parser.c (c_parser_postfix_expression): Pass location of
9416         identifier to build_external_ref.
9417
9418 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9419
9420         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
9421         CCEQ mode for branch_positive_comparison_operator test.
9422         * config/rs6000/predicates (branch_comparison_operator): Revert to
9423         define_predicate.
9424         (scc_comparison_operator): Same.
9425         (branch_positive_comparison_operator): Same.
9426
9427 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
9428
9429         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
9430         (cris_delay_slots_for_epilogue): Remove.
9431         (save_last): Move into cris_target_asm_function_epilogue.
9432         (cris_target_asm_function_epilogue): Remove tests for file being
9433         NULL.
9434         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
9435         (cris_delay_slots_for_epilogue): Remove prototypes.
9436         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
9437         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
9438
9439 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9440
9441         * config/rs6000/predicates.md (branch_comparison_operator): Change
9442         to define_special_predicate.
9443         (scc_comparison_operator): Same.
9444         (branch_positive_comparison_operator): Same.
9445
9446 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
9447
9448         * Makefile.in (tree-ssa-sink.o): New.
9449         (OBJS-common): Add tree-ssa-sink.o.
9450         * common.opt: Add -ftree-sink
9451         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
9452         * timevar.def (TV_TREE_SINK): new timevar.
9453         * tree-flow.h (is_hidden_global_store): Prototype.
9454         * tree-optimize.c (init_tree_optimization_passes): Add
9455         pass_sink_code.
9456         * tree-pass.h (pass_sink_code): New.
9457         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
9458         for non-obvious global store store to is_hidden_global_store, and
9459         call that new function.
9460         * tree-ssa-sink.c: New file.
9461         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
9462         * doc/passes.texi: Document forward store motion.
9463         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
9464         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
9465         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
9466         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
9467
9468 2005-03-01  Per Bothner  <per@bothner.com>
9469
9470         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
9471         and we have a non-zero column-number, add it to the message.
9472         Also factor out the diagnostic_kind_text.
9473
9474 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
9475
9476         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
9477         flow_loop_pre_header_scan, flow_loop_pre_header_find,
9478         flow_loop_scan): Removed.
9479         (flow_loop_dump): Do not dump removed fields.
9480         (flow_loop_free): Do not free removed fields.
9481         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
9482         (loop_exit_edge_p): New function.
9483         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
9484         num_pre_header_edges, entry_edges, num_entries, exit_edges,
9485         num_exits, exits_doms.
9486         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
9487         LOOP_EDGES, LOOP_ALL): Removed.
9488         (flow_loop_scan): Declaration removed.
9489         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
9490         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
9491         flow_loops_find.
9492         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
9493         (if_convert): Call flow_loops_find and flow_loops_free
9494         when calling mark_loop_exit_edges.
9495         * cfgloopanal.c (mark_loop_exit_edges): Moved from
9496         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
9497         free_dominance_info calls.
9498         * loop-init.c (flow_loops_find): Ditto.
9499         * passes.c (rest_of_handle_branch_prob): Ditto.
9500         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
9501         * loop-unroll.c (analyze_insns_in_loop): Do not use
9502         EDGE_LOOP_EXIT.
9503         * predict.c (predict_loops): Do not call flow_loop_scan.
9504         Use get_loop_exit_edges.
9505         (tree_estimate_probability): Do not pass flags to flow_loops_find.
9506         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
9507         Do not use EDGE_LOOP_EXIT.
9508         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
9509         to bb_with_exit_edge_p.
9510         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
9511         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
9512         to bb_with_exit_edge_p.
9513         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
9514         EDGE_LOOP_EXIT.
9515         * tree-loop-linear.c (linear_transform_loops): Do not call
9516         flow_loop_scan.  Use loop->single_exit.
9517         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
9518         (vect_analyze_loop_form): Do not call flow_loop_scan.
9519         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
9520         loop->single_exit.
9521         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
9522         loop->single_exit.
9523         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
9524         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9525         slpeel_tree_duplicate_loop_to_edge_cfg,
9526         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
9527         Use loop_preheader_edge and loop->single_exit.  Do not call
9528         flow_loop_scan.
9529
9530 2005-03-01  Nick Clifton  <nickc@redhat.com>
9531
9532         * config/arm/arm.c (thumb_find_work_register): Check all of the
9533         argument registers to see if they are free, and a couple of
9534         special cases where the last argument register but can be proved
9535         to be available during the function's prologue.
9536         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
9537         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
9538         thumb_unexpanded_epilogue): Use unsigned long as the type for the
9539         register bit-mask.
9540         (thumb_compute_save_reg_mask): Likewise.  Also use
9541         thumb_find_work_register() to ensure that there is agreement about
9542         which work register is going to be used in the prologue.
9543         (thumb_output_function_prologue): Use unsigned long as the type
9544         for the register bit-mask.  Also delay pushing the link register if
9545         other high registers are going to be pushed.
9546         (thumb_compute_save_reg_mask, emit_multi_reg_push,
9547         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
9548         redundant prototypes.
9549
9550 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
9551
9552         PR target/19819
9553         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
9554         and after reload in REG+REG indexed addresses without REG_POINTER
9555         set in the base and not set in the index.
9556
9557 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9558
9559         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
9560         Don't undefine here.
9561         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
9562         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
9563         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9564         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
9565         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
9566         Delete.
9567         * config.gcc (sh*-*-linux*): Use config/linux.h.
9568
9569 2005-02-28  Dale Johannesen  <dalej@apple.com>
9570             Stan Shebs  <shebs@apple.com>
9571
9572         Rewrite of 64-bit Darwin structure-by-value pass/return.
9573         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
9574         intoffset, use_stack, named.
9575         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
9576         (rs6000_darwin64_record_arg_advance_flush):  New.
9577         (rs6000_darwin64_record_arg_advance_recurse): New.
9578         (rs6000_darwin64_record_arg_flush):  New.
9579         (rs6000_darwin64_record_arg_recurse):  New.
9580         (rs6000_darwin64_record_arg):  New.
9581         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
9582         (function_arg_boundary):  Handle 128-bit aligned structs.
9583         (function_arg_advance):  Rewrite darwin64 struct handling.
9584         (function_arg):  Call rs6000_darwin64_record_arg.
9585         (function_arg_partial_nregs):  Handle darwin64 structs.
9586         (rs6000_darwin64_function_value):  Remove.
9587         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
9588
9589 2005-02-28  Roger Sayle  <roger@eyesopen.com>
9590
9591         PR tree-optimization/20216
9592         * tree-chrec.c (tree_fold_factorial): Delete.
9593         (tree_fold_binomial): Change argument list to take a return type
9594         and change the type of K to unsigned int.  Rewrite to avoid explicit
9595         evaluation of factorials, and (recursively) calling fold to perform
9596         compile-time arithmetic.  Return NULL on (internal) overflow.
9597         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
9598         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
9599         if any intermediate calculation overflows.
9600         (chrec_apply): Update call to chrec_evaluate.
9601
9602 2005-02-28  James E Wilson  <wilson@specifixinc.com>
9603
9604         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
9605
9606 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
9607
9608         PR c/20245
9609         * c-parser.c (c_parser_compound_statement): Return error_mark_node
9610         instead of NULL_TREE on error.
9611
9612 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
9613
9614         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
9615         (EASY_VECTOR_15_ADD_SELF): Remove.
9616         (num_insns_constant_wide): Not static.
9617         (validate_condition_mode): Not static.
9618         (toc_relative_expr_p): Not static.
9619         (legitimate_indirect_address_p): Not static.
9620         (macho_lo_sum_memory_operand): Not static.
9621         (invalid_e500_subreg): Not static.
9622         (easy_vector_same): Not static.
9623         (easy_vector_splat_const): Not static.
9624         (RS6000_SYMBOL_REF_TLS_P): Remove.
9625         (any_operand): Delete.
9626         (any_parallel_operand): Delete.
9627         (count_register_operand): Delete.
9628         (altivec_register_operand): Delete.
9629         (xer_operand): Delete.
9630         (s8bit_cint_operand): Delete.
9631         (short_cint_operand): Delete.
9632         (u_short_cint_operand): Delete.
9633         (non_short_cint_operand): Delete.
9634         (exact_log2_cint_operand): Delete.
9635         (gpc_reg_operand): Delete.
9636         (cc_reg_operand): Delete.
9637         (cc_reg_not_cr0_operand): Delete.
9638         (reg_or_short_operand): Delete.
9639         (reg_or_neg_short_operand): Delete.
9640         (reg_or_aligned_short_operand): Delete.
9641         (reg_or_u_short_operand): Delete.
9642         (reg_or_cint_operand): Delete.
9643         (reg_or_arith_cint_operand): Delete.
9644         (reg_or_add_cint64_operand): Delete.
9645         (reg_or_sub_cint64_operand): Delete.
9646         (reg_or_logical_cint_operand): Delete.
9647         (got_operand): Delete.
9648         (got_no_const_operand): Delete.
9649         (easy_fp_constant): Delete.
9650         (easy_vector_constant): Delete.
9651         (easy_vector_constant_add_self): Delete.
9652         (zero_constant): Delete.
9653         (zero_fp_constant): Delete.
9654         (volatile_mem_operand): Delete.
9655         (offsettable_mem_operand): Delete.
9656         (mem_or_easy_const_operand): Delete.
9657         (add_operand): Delete.
9658         (non_add_cint_operand): Delete.
9659         (logical_operand): Delete.
9660         (non_logical_cint_operand): Delete.
9661         (mask_operand): Delete.
9662         (mask_operand_wrap): Delete.
9663         (mask64_operand): Delete.
9664         (mask64_2_operand): Delete.
9665         (and64_operand): Delete.
9666         (and64_2_operand): Delete.
9667         (and_operand): Delete.
9668         (reg_or_mem_operand): Delete.
9669         (lwa_operand): Delete.
9670         (symbol_ref_operand): Delete.
9671         (call_operand): Delete.
9672         (current_file_function_operand): Delete.
9673         (input_operand): Delete.
9674         (rs6000_nonimmediate_operand): Delete.
9675         (rs6000_tls_symbol_ref): Delete.
9676         (save_world_operation): Delete.
9677         (restore_world_operation): Delete.
9678         (load_multiple_operation): Delete.
9679         (store_multiple_operation): Delete.
9680         (vrsave_operation): Delete.
9681         (mfcr_operation): Delete.
9682         (mtcrf_operation): Delete.
9683         (lmw_operation): Delete.
9684         (stmw_operation): Delete.
9685         (branch_comparison_operator): Delete.
9686         (branch_positive_comparison_operator): Delete.
9687         (scc_comparison_operator): Delete.
9688         (trap_comparison_operator): Delete.
9689         (boolean_operator): Delete.
9690         (boolean_or_operator): Delete.
9691         (min_max_operator): Delete.
9692         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
9693         (EASY_VECTOR_15): Moved to here.
9694         (EASY_VECTOR_15_ADD_SELF): Move to here.
9695         (PREDICATE_CODES): Delete.
9696         * config/rs6000/rs6000-protos.h: Delete predicate functions.
9697         Declare functions no longer static.
9698         * config/rs6000/predicates.md: New.
9699         * config/rs6000/rs6000.md: Include predicates.md
9700
9701 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
9702
9703         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
9704         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
9705         REG_ALWAYS_RETURN.
9706         * cfgrtl.c (need_fake_edge_p): Likewise.
9707         * combine.c (distribute_notes): Likewise.
9708         * emit-rtl.c (try_split): Likewise.
9709         * recog.c (peephole2_opimize): Likewise.
9710         * reg-notes.def (ALWAYS_RETURN): Remove.
9711         * rtl.h (LCT_ALWAYS_RETURN): Remove.
9712         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
9713         * tree.h (ECF_ALWAYS_RETURN): Remove.
9714
9715 2005-02-28  Roger Sayle  <roger@eyesopen.com>
9716
9717         PR middle-end/19874
9718         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
9719         between different machine modes is never a "useless" conversion.
9720
9721 2005-02-28  Geert Bosch  <bosch@gnat.com>
9722
9723         PR ada/15977
9724         * doc/contrib.texi: List contributors for Ada front end
9725
9726 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
9727
9728         * simplify-rtx.c (simplify_unary_operation_1,
9729         simplify_const_unary_operation): New, extracted from...
9730         (simplify_unary_operation): ... this one.
9731         (simplify_binary_operation_1,
9732         simplify_const_binary_operation): New, extracted from...
9733         (simplify_binary_operation): ... this one.
9734         * rtl.h (simplify_const_unary_operation,
9735         simplify_const_binary_operation): Add prototypes.
9736
9737 2005-02-28  Julian Brown  <julian@codesourcery.com>
9738
9739         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
9740         building libjava and caused PR regression/20228.
9741
9742 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
9743
9744         PR bootstrap/17383
9745         * Makefile.in (host_subdir): New.
9746         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
9747         * configure: Regenerate.
9748
9749 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
9750
9751         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
9752         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
9753         installation directory first.
9754
9755 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
9756
9757         PR target/19065.
9758         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
9759         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
9760         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
9761         * config/cris/cris.md: Tweak comments referring to Q.
9762         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
9763         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
9764         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
9765         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
9766         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
9767         Insert spaces in constraints to align alternatives vertically for
9768         readability.
9769         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
9770         operand 1: "M".
9771
9772 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9773
9774         PR rtl-optimization/17728
9775         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
9776         operand 0 from general_operand to move_dest_operand.
9777
9778 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9779
9780         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
9781         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
9782         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
9783         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
9784
9785 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
9786
9787         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
9788         * configure: Regenerate.
9789         * libada-mk.in: Remove CC; rename
9790         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
9791
9792 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
9793
9794         PR tree-opt/20188
9795         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
9796         for the lhs, also walk over the tree.  Likewise for rhs.
9797
9798 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
9799
9800         * tree-ssa-dom.c (simple_iv_increment_p): New function.
9801         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
9802         Do not propagate value of iv before increment over the increment.
9803
9804 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
9805
9806         * c-parser.c: New file.
9807         * c-parse.in: Remove.
9808         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
9809         Remove.
9810         (c-parser.o): Add dependencies.
9811         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
9812         maintainer-clean, TAGS): Update.
9813         * c-config-lang.in (gtfiles): Update.
9814         * gengtype-lex.l: Don't handle "@@".
9815         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
9816         objc_build_synchronized, objc_begin_try_stmt,
9817         objc_begin_catch_clause, objc_finish_catch_clause,
9818         objc_build_finally_clause, objc_finish_try_stmt): New.
9819         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
9820         type_seen_p.
9821         (c_parse_init): Update comment.
9822         * c-decl.c (c_init_decl_processing): Update comment.
9823         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
9824         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
9825         new c_declspecs members.
9826
9827 2005-02-25  Julian Brown  <julian@codesourcery.com>
9828
9829         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9830         from being used for symbols with vague linkage when
9831         HAVE_GAS_COMDAT_GROUP is true.
9832
9833 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
9834
9835         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
9836
9837 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
9838
9839         PR target/19930
9840         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
9841         (LIBGCC2_HAS_DF_MODE): New.
9842         (LIBGCC2_HAS_XF_MODE): New.
9843         (LIBGCC2_HAS_TF_MODE): New.
9844         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
9845         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
9846         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
9847         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
9848         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
9849         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
9850         and add _fixtfdi, _fixunstfdi, _floatditf
9851         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
9852         L_fixunstfdi, L_floatditf.
9853         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
9854         (LIBGCC2_HAS_TF_MODE): Define.
9855
9856 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
9857
9858         PR tree-optimization/20204
9859         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
9860         REWRITE_THIS_STMT markers on PHI nodes.
9861         (rewrite_initialize_block): Likewise.
9862
9863 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
9864
9865         * version.c (version_string): Update to 4.1.
9866
9867 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
9868
9869         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
9870         Clarify that the alternative way doesn't work in GNU C++.
9871
9872 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
9873
9874         PR tree-optimization/19937
9875         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
9876         to the type of the induction variable.
9877
9878 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9879
9880         PR rtl-optimization/20117
9881         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
9882         the block including noncopyable insn.
9883
9884 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
9885
9886         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
9887         calls to find_reg_note.
9888
9889 2005-02-24  Richard Henderson  <rth@redhat.com>
9890
9891         PR tree-opt/20127
9892         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
9893         the type.
9894
9895 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
9896
9897         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
9898         vector types if to use base reg for misaligned non-word ld/std.
9899
9900 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
9901
9902         PR target/14619
9903         * config/cris/cris.c (cris_target_asm_function_prologue): Create
9904         dwarf2 label manually and put it after, not before the prologue.
9905
9906 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
9907
9908         PR target/19019
9909         * reload.c (operands_match_p): Only increment register number for
9910         SCALAR_INT_MODE_P modes in multiple hard registers.
9911
9912         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
9913         Fix formatting.
9914
9915 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9916
9917         * ChangeLog.5: Fix log message typo(s).
9918         * ChangeLog.7: Likewise.
9919         * ChangeLog.tree-ssa: Likewise.
9920         * cfgexpand.c: Fix comment typo(s).
9921         * conflict.c: Likewise.
9922         * defaults.h: Likewise.
9923         * dwarf2out.c: Likewise.
9924         * gcse.c: Likewise.
9925         * ggc-page.c: Likewise.
9926         * tree-eh.c: Likewise.
9927         * tree-ssa-dom.c: Likewise.
9928
9929 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
9930
9931         PR target/19019
9932         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
9933         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
9934         if SHARED is defined.
9935
9936         PR target/20196
9937         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
9938         allow splitting only if operands 0 and 3 don't overlap.
9939
9940 2005-02-24  Richard Henderson  <rth@redhat.com>
9941
9942         PR middle-end/19953
9943         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
9944         (fold_builtin_1): Call them.
9945         * fold-const.c (fold_complex_mult_parts): Split out from ...
9946         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
9947         (fold_complex_div_parts, fold_complex_div): New.
9948         (fold): Use them.
9949         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
9950
9951 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9952
9953         * tree-ssa-ccp.c (visit_assignment): Verify that result of
9954         VIEW_CONVERT_EXPR is_gimple_min_invariant.
9955
9956         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
9957         (print_node): Likewise.
9958         Print TYPE_SIZES_GIMPLIFIED.
9959
9960 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
9961
9962         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
9963         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
9964         operands as commutative in constraints.
9965
9966 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
9967
9968         * tree-into-ssa.c: Re-organize internal functions.
9969
9970 2005-02-24  Richard Henderson  <rth@redhat.com>
9971
9972         PR middle-end/18902
9973         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
9974         for c99.
9975         * common.opt (fcx-limited-range): New.
9976         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
9977         * toplev.c (flag_complex_method): Initialize to 1.
9978         (process_options): Set flag_complex_method to 0 if
9979         flag_cx_limited_range.
9980         * doc/invoke.texi (-fcx-limited-range): New.
9981
9982 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
9983
9984         * cse.c (delete_trivially_dead_insns): Speed up by using
9985         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
9986         prev_real_insn.
9987
9988 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
9989
9990         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
9991         functions when -mid-shared-library is being used.
9992
9993 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9994
9995         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
9996         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
9997         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
9998         * system.h: Poison LINK_LIBGCC_SPECIAL.
9999
10000 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10001
10002         * gengtype.c (note_insn_name): Make 1 element larger.
10003
10004 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10005
10006         PR target/20018
10007         PR rtl-optimization/20097
10008         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10009         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10010
10011 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10012
10013         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10014         * t-aix52 (SHLIB_INSTALL): Same.
10015
10016 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10017
10018         * genpreds.c: Update copyright.
10019
10020 2005-02-23  Michael Beach  <michaelb@ieee.org>
10021
10022         PR target/20159
10023         * config/sparc/t-elf (startup files): Assemble with CPP.
10024
10025 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10026
10027         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10028         (write_predicate_expr): Likewise.
10029
10030 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10031
10032         PR tree-optimization/20100
10033         PR tree-optimization/20115
10034         * tree-optimize.c (init_tree_optimization_passes): Remove
10035         pass_maybe_create_global_var.
10036         * tree-pass.h (pass_maybe_create_global_var): Remove.
10037         * tree-ssa-alias.c (aliases_computed_p): Declare.
10038         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10039         (count_calls_and_maybe_create_global_var): Remove.
10040         (pass_maybe_create_global_var): Remove.
10041         (init_alias_info): Do not declare aliases_computed_p.
10042         (maybe_create_global_var): If the function contains no
10043         call-clobbered variables and a mix of pure/const and regular
10044         function calls, create .GLOBAL_VAR.
10045         Mark all call-clobbered variables for renaming.
10046         (merge_pointed_to_info): Update comment.
10047         (add_pointed_to_var): Likewise.
10048         (is_escape_site): Likewise.
10049         Accept struct alias_info * instead of size_t *.
10050         Update all users.
10051         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10052         as necessary.
10053         * tree-ssa-operands.c (get_call_expr_operands): If
10054         ALIASES_COMPUTED_P is false, do not add call-clobbering
10055         operands.
10056         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10057         (delete_tree_ssa): Likewise.
10058
10059 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10060
10061         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10062         (do_compile): Do call it here.
10063
10064 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10065
10066         PR rtl-optimization/20017.
10067         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10068         rest_of_handle_cse2, rest_of_handle_gcse): Call
10069         delete_dead_jumptables immediately before calling cleanup_cfg.
10070
10071 2005-02-22  Devang Patel  <dpatel@apple.com>
10072
10073         PR 19952
10074         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10075         all labels
10076
10077 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10078
10079         * config/rs6000/aix.h (WINT_TYPE): Define.
10080
10081 2005-02-22  Stan Shebs  <shebs@apple.com>
10082
10083         * config/rs6000/rs6000.c (rs6000_override_options): Default to
10084         natural alignment for 64-bit Darwin.
10085         (rs6000_parse_alignment_option): Warn about uses of -malign-power
10086         on 64-bit Darwin.
10087         * doc/invoke.texi: Document this.
10088
10089 2005-02-22  DJ Delorie  <dj@redhat.com>
10090
10091         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10092         to make_[un]signed_type, not the mode itself.
10093
10094 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10095
10096         * cfg.c (cached_make_edge): Call make_edge if edge cache is
10097         not available.  Use tail calls wherever possible.
10098         (make_edge): Call unchecked_make_edge to create an edge.
10099
10100         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
10101         (coalesce_ssa_name): Don't check for
10102         SSANORM_USE_COALESCE_LIST.
10103         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
10104
10105 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10106
10107         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10108         (rewrite_into_ssa): ... here.
10109
10110 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
10111
10112         PR tree-optimization/19786
10113         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
10114         tag to another's may-alias bitmap when adding to the other's list.
10115
10116 2005-02-21  DJ Delorie  <dj@redhat.com>
10117
10118         * tree-ssa-loop-ivopts.c (computation_cost): Start register
10119         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
10120         registers in unsupported ways.
10121         * expmed.c (init_expmed): Likewise.
10122
10123 2005-02-21  Stan Cox  <scox@redhat.com>
10124
10125         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10126
10127 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10128
10129         * tree-cfg.c (fold_cond_expr_cond): New.
10130         (make_edges): Call fold_cond_expr_cond.
10131         (find_taken_edge): Accept nothing but INTEGER_CST.
10132         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
10133         and 1.
10134         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
10135
10136         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10137         that do not belong to any basic block.
10138
10139 2005-02-21  Jeff Law  <law@redhat.com>
10140
10141         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10142         e->dest.
10143
10144 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10145
10146         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
10147         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
10148         Adjust their definitions.
10149         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
10150         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
10151
10152         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
10153         genautomata.c, langhooks.c, langhooks.h, system.h,
10154         config/arm/lib1funcs.asm: Update copyright.
10155
10156 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10157
10158         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10159
10160 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10161
10162         PR bootstrap/13770
10163         * doc/install.texi: Document --with-gc.
10164
10165 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10166
10167         * simplify-rtx.c (simplify_unary_operation): Add a missing
10168         "break" statement.
10169
10170 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10171
10172         PR tree-optimization/18663
10173         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10174         if the type has variable bounds.
10175
10176 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10177
10178         * gcse.c: Remove an obsolete comment.
10179
10180         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10181
10182 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10183
10184         * doc/extend.texi (Function Attributes) <Attribute const>: The
10185         attribute "pure" is below this text, not above.
10186
10187 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10188
10189         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
10190         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
10191         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
10192
10193 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
10194
10195         PR 18785
10196         * langhooks.h (struct lang_hooks): Add to_target_charset.
10197         * langhooks.c (lhd_to_target_charset): New function.
10198         * langhooks-def.h: Declare lhd_to_target_charset.
10199         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
10200         (LANG_HOOKS_INITIALIZER): Update.
10201         * c-common.c (c_common_to_target_charset): New function.
10202         * c-common.h: Declare it.
10203         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
10204         c_common_to_target_charset.
10205
10206         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
10207         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
10208         Delete definitions.
10209         * system.h: Poison them.
10210         * doc/tm.texi: Don't discuss them.
10211         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
10212         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
10213         (pp_c_char): Do not attempt to generate letter escapes for
10214         newline, tab, etc.
10215         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
10216         * config/mips/mips.c (mips_output_ascii): Likewise.
10217
10218 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10219
10220         PR tree-optimization/19951
10221         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10222         is abnormal.
10223
10224 2005-02-19  Steven Bosscher  <stevenb@suse.de>
10225
10226         PR middle-end/19698
10227         * function.h (struct function): New field `max_loop_depth'.
10228         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
10229         (flow_loops_find): Reset the max loop depth count before finding loops.
10230         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
10231         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
10232         (calculate_global_regs_live): Make sure the loop will terminate
10233         when the initial sets are not empty.
10234
10235 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
10236
10237         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
10238         object inside.
10239         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
10240
10241 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
10242
10243         PR other/19525
10244         * doc/invoke.texi: Remove documentation of %M spec.
10245         * gcc.c: Likewise.
10246         (init_spec): Remove %M suffix from -lgcc_s.
10247         (do_spec_1): Remove 'M' case.
10248         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
10249         to put shared libraries in the multilib directory.  Remove the
10250         shlib_so_soname substitution variable.  Don't add a multilib encoding
10251         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
10252         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
10253         SHLIB_INSTALL as well as SHLIB_LINK.
10254         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
10255         (SHLIB_NAME): Delete.
10256         (SHLIB_DIR): New macro.
10257         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
10258         (SHLIB_INSTALL): Adjust accordingly.
10259         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
10260         * config/t-slibgcc-sld: Likewise.
10261         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
10262         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
10263         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
10264         in $(SHLIB_DIR).
10265         (SHLIBUNWIND_INSTALL): Adjust accordingly.
10266         * config/i386/t-nwld (SHLIB_SONAME): Delete.
10267         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
10268         Use @shlib_base_name@ instead of @shlib_so_name@.
10269         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
10270         and @shlib_base_name@.so in @multilib_dir@.
10271         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
10272         to the install path.
10273         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
10274         (SHLIB_LINK): Remove previous workaround.
10275         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
10276         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
10277         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
10278         the install path.
10279         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
10280         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
10281         (SHLIB_INSTALL): Adjust accordingly.
10282         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
10283         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
10284         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
10285         config/t-slibgcc-elf-ver.
10286
10287 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
10288             Jakub Jelinek  <jakub@redhat.com>
10289
10290         PR tree-optimization/19828
10291         * tree-ssa-loop-im.c: Add a TODO comment.
10292         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
10293         without side-effects.
10294
10295 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10296
10297         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
10298         call fold_convert.
10299
10300 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
10301
10302         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
10303         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
10304         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
10305         functions.
10306         (ia64_reorg): Delete fixup_errata call.
10307         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
10308         (TARGET_SWITCHES): Delete -mb-step entry.
10309
10310 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
10311
10312         PR c/20043
10313         * c-typeck.c (composite_type): Handle quals in transparent unions.
10314         (type_lists_compatible_p): Likewise.
10315
10316 2005-02-18  Stan Shebs  <shebs@apple.com>
10317
10318         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
10319         expressions in the .literal8 section.
10320
10321 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
10322
10323         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
10324
10325 2005-02-18  Roger Sayle  <roger@eyesopen.com>
10326
10327         * fold-const.c (constant_boolean_node): Always create values of the
10328         specified type, don't bother calling truthvalue_conversion.
10329
10330 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10331
10332         * except.c (output_function_exception_table): Call
10333         assemble_external_libcall (eh_personality_libfunc).
10334
10335 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10336
10337         PR target/19886
10338         * config/ia64/ia64.h (struct machine_function): Add state_num.
10339         * config/ia64/ia64.c (process_epilogue,
10340         process_for_unwind_directive): Use new unwind state numbers each
10341         time rather than state 1.
10342
10343 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
10344
10345         PR target/20054
10346         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
10347         before the "*llgt_didi" pattern.
10348
10349 2005-02-18  Jason Merrill  <jason@redhat.com>
10350
10351         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
10352
10353 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
10354
10355         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
10356         (div0): Use it in place of ARM_FUNC_ALIAS.
10357         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
10358
10359 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
10360
10361         PR middle-end/20030
10362         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
10363         access, the lower bound of the array type if it exists.
10364
10365 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
10366
10367         PR c++/20008
10368         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
10369         cases that are out-of-range for the index type.
10370
10371 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10372
10373         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
10374         (estimate_case_costs): Don't call convert.
10375         * expmed.c (expand_shift): Likewise.
10376         (make_tree): Call fold_convert instead of convert.
10377
10378 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10379
10380         PR c++/19813
10381         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
10382         that ref to be marked MEM_READONLY_P doesn't have base that needs
10383         constructing.
10384
10385 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10386
10387         * genautomata.c (output_get_cpu_unit_code_func,
10388         output_cpu_unit_reservation_p): Don't generate old-style function
10389         definitions.
10390
10391 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10392
10393         PR c++/20023
10394         PR tree-optimization/20009
10395         * convert.c (convert_to_integer): Revert 2005-02-16 change.
10396
10397         PR tree-optimization/18947
10398         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
10399         inline, remove all nodes that are inlined into the extern inline
10400         being redefined.
10401
10402 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10403
10404         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
10405         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
10406         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
10407         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
10408         Update copyright.
10409
10410 2005-02-17  Roger Sayle  <roger@eyesopen.com>
10411
10412         PR tree-optimization/19917
10413         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
10414         to be potentially trapping.
10415
10416 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10417
10418         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
10419
10420 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10421
10422         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
10423         tem becomes a local variable which is set to the value of the
10424         back end defined INITIAL_FRAME_ADDRESS macro.
10425         (expand_builtin_frame_address): Omit the base parameter to
10426         expand_builtin_return_addr.
10427         (expand_builtin_profile_func): Likewise.
10428         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
10429         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
10430         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
10431
10432 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
10433
10434         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
10435         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
10436         * config/frv/frv.c (frv_function_epilogue): Likewise.
10437
10438 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
10439
10440         * lambda-code (perfect_nestify): Remove mark/unmark
10441         for rewriting hack.
10442         * tree-loop-linear.c (linear_transform_loops): Add
10443         rewrite_into_ssa call so that ssa is correct for
10444         rewriting into loop closed.
10445
10446 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
10447
10448         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
10449         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
10450         BITMAP_FREE.
10451         * bt-load.c (btr_def_live_range, combine_btr_defs,
10452         migrate_btr_def, migrate_btr_defs): Likewise.
10453         * cfgcleanup.c (thread_jump): Likewise.
10454         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
10455         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
10456         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
10457         df_rd_local_compute, df_reg_info_compute): Likewise.
10458         * dominance.c (init_dom_info, free_dom_info): Likewise.
10459         * flow.c (init_propagate_block_info,
10460         free_propagate_block_info): Likewise.
10461         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
10462         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
10463         modify_reg_pav): Likewise.
10464         * loop-invariant.c (find_defs, find_invariant_insn,
10465         find_invariants, free_inv_motion_data): Likewise.
10466         * predict.c (tree_predict_by_opcode,
10467         estimate_bb_frequencies): Likewise.
10468         * stmt.c (expand_case): Likewise.
10469         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
10470         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
10471         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
10472         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
10473         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
10474         rewrite_ssa_into_ssa): Likewise.
10475         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10476         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
10477         analyze_edges_for_bb, perform_edge_inserts): Likewise.
10478         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
10479         * tree-sra.c (tree_sra): Likewise.
10480         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
10481         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10482         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
10483         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10484         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
10485         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
10486         Likewise.
10487         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
10488         calculate_live_on_entry, calculate_live_on_exit,
10489         build_tree_conflict_graph): Likewise.
10490         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
10491         record_important_candidates, set_use_iv_cost, find_depends,
10492         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
10493         tree_ssa_iv_optimize_finalize): Likewise.
10494         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
10495         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
10496         tree_duplicate_loop_to_header_edge): Likewise.
10497         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
10498         * tree-ssa.c (verify_flow_insensitive_alias_info,
10499         verify_name_tags, verify_ssa, init_tree_ssa,
10500         delete_tree_ssa): Likewise.
10501         * tree-ssanames.c (marked_ssa_names, init_ssanames,
10502         fini_ssanames): Likewise.
10503         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
10504
10505 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
10506
10507         * config/rs6000/t-rtems: Completely reworked.
10508
10509 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10510
10511         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
10512
10513 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10514
10515         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
10516         POINTER_TYPE_P when checking that type is a pointer.
10517         (vect_get_memtag): Remove.
10518         (vect_address_analysis): Use POINTER_TYPE_P. Call
10519         vect_object_analysis with dummy parameter for memtag.
10520         (vect_object_analysis): Extract memtag (functionality that
10521         used to be in vect_get_memtag and moved here). Fix printings.
10522         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
10523         with correct parameters. Remove call to vect_get_memtag.
10524
10525 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
10526
10527         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
10528         (tree-vectorizer.o): Added missing dependencies.
10529
10530         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
10531         decleration.
10532         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
10533         declaration in tree-vectorizer.c, now has an extern declaration in
10534         tree-vectorizer.h).
10535         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10536         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10537         get_vectype_for_scalar_type, vect_is_simple_use,
10538         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10539         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
10540         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
10541         vectorizable_store, vectorizable_operation, vectorizable_assignment,
10542         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
10543         find_loop_location): Likewise.
10544
10545         * tree-vectorizer.c (langhooks.h): #include removed.
10546         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
10547         moved to tree-vectorized.h.
10548         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10549         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10550         get_vectype_for_scalar_type, vect_is_simple_use,
10551         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10552         vect_supportable_dr_alignment, new_loop_vec_info,
10553         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
10554         vect_set_verbosity_level, find_loop_location): Likewise.
10555
10556         (vect_analyze_loop): Function externalized. Declaration moved to
10557         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
10558         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
10559         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
10560         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
10561         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
10562         vect_enhance_data_refs_alignment, vect_analyze_operations,
10563         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
10564         vect_stmt_relevant_p, vect_get_loop_niters,
10565         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
10566         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
10567         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
10568         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
10569         vect_get_memtag): Likewise.
10570
10571         (vectorizable_load): Function externalized. Declaration moved to
10572         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
10573         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
10574         vect_transform_loop): Likewise.
10575         (vect_transform_stmt): Moved to tree-vect-transform.c.
10576         (vect_align_data_ref, vect_create_destination_var,
10577         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
10578         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
10579         vect_get_vec_def_for_operand, vect_init_vector,
10580         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
10581         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
10582         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
10583         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
10584         vect_do_peeling_for_loop_bound): Likewise.
10585
10586         * tree-vect-analyze.c: New file.
10587         * tree-vect-transform.c: New file.
10588
10589 2005-02-17  Jason Merrill  <jason@redhat.com>
10590
10591         PR mudflap/19319, c++/19317
10592         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
10593         slot explicit.
10594
10595 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
10596
10597         * doc/install.texi (Specific): Update link for Darwin-specific
10598         tool binary site.
10599
10600 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
10601
10602         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
10603         constant_boolean_node.
10604
10605 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
10606
10607         PR target/19019
10608         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
10609         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
10610
10611 2005-02-16  Richard Henderson  <rth@redhat.com>
10612
10613         PR 19920
10614         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
10615         with W_TYPE_SIZE.
10616         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
10617         replace uses with Wtype_MAXp1_F.
10618         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
10619         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
10620         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
10621         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
10622         and HAVE_TFMODE as appropriate.
10623         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
10624         (__floatdisf): Likewise.
10625         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
10626         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
10627         (Wtype_MAXp1_F): New.
10628         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
10629         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
10630
10631 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
10632
10633         * PR target/19162
10634         * arm.c (arm_apply_result_size): New function.
10635         * arm.h (APPLY_RESULT_SIZE): Define.
10636         * arm-protos.h (arm_apply_result_size): Add prototype.
10637         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
10638         (movxf): New expand.
10639         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
10640         (call_value_symbol): Remove predicate for operand 0.
10641         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
10642         (untyped_call): Rework to correclty return values for any type.
10643         (untyped_return): New expand.
10644         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
10645
10646 2005-02-16  Stan Shebs  <shebs@apple.com>
10647
10648         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
10649         * config/rs6000/t-darwin8: New, for 64-bit multilib.
10650
10651 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10652
10653         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
10654         configure settings on Solaris 7 and later.
10655
10656 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
10657
10658         PR tree-optimization/19865
10659         * tree-optimize.c (init_tree_optimization_passes): Run
10660         pass_may_alias after pass_sra.
10661
10662 2005-02-16  Richard Henderson  <rth@redhat.com>
10663             Stuart Hastings  <stuart@apple.com>
10664
10665         PR debug/19521
10666         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
10667         Do nothing if debug info suppressed for this function.
10668         (dbxout_begin_function): Early exit if debug info suppressed for
10669         this function.
10670
10671 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
10672
10673         PR target/20007
10674         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
10675         find_basic_blocks.
10676         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10677
10678         PR tree-optimization/19967
10679         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
10680         expand_builtin_strchr, expand_builtin_strrchr): Take a new
10681         argument TYPE.  Adjust calls to fold_builtin_XXX.
10682         (expand_builtin, fold_builtin_1): Adjust calls to
10683         expand_builtin_XXX.
10684         (fold_builtin_strchr, fold_builtin_strpbrk,
10685         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
10686         result to a requested type TYPE.
10687
10688 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
10689
10690         PR middle-end/19857
10691         * fold-const.c (fold): Don't optimize (T)(x & cst) to
10692         (T)x & (T)cst if (T)cst overflows.
10693         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
10694         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
10695
10696 2005-02-15  Jeff Law  <law@redhat.com>
10697
10698         * gcse.c (blocks_with_calls): New bitmap.
10699         (alloc_gcse_mem): Allocate it.
10700         (free_gcse_mem): Free it.
10701         (clear_modifY_mem_tables): Clear it.
10702         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
10703         when we encounter CALL_INSNs.
10704         (compute_transp, case MEM): Handle blocks with calls separate
10705         from blocks without calls.  Use bitmap iterators rather than
10706         FOR_EACH_BB.
10707
10708 2005-02-15  Peter O'Gorman  <peter@pogma.com>
10709
10710         PR bootstrap/18810
10711         * mklibgcc.in (vis_hide): Use a temporary object file, not
10712         -o /dev/null.
10713
10714 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
10715
10716         PR target/19924
10717         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
10718         access optimization.
10719
10720 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
10721             Alan Modra  <amodra@bigpond.net.au>
10722
10723         PR target/19019
10724         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
10725         (_xlqsub): Rename to __gcc_qsub.
10726         (_xlqmul): Rename to __gcc_qmul.
10727         (_xlqdiv): Rename to __gcc_qdiv.
10728         Provide versioned symbol aliases with old names.
10729         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
10730         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
10731         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
10732         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
10733         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
10734
10735 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
10736
10737         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
10738         Fold ~(A - 1) and ~(A + -1) to -A.
10739
10740 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
10741
10742         PR pch/14940
10743         PR target/19300
10744         * config/host-linux.c (linux_gt_pch_use_address): Copy from
10745         config/pa/pa-host.c:pa_gt_pch_use_address.
10746
10747 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
10748
10749         * tree-vn.c (get_value_handle): Make sure that given an
10750         is_gimple_min_invariant expression, we always return it.
10751
10752 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
10753
10754         * passes.c (rest_of_handle_gcse): Fix a comment.
10755
10756 2005-02-15  Jeff Law  <law@redhat.com>
10757
10758         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
10759         bitmap.
10760         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
10761         (canon_list_insert, record_last_mem_set_info): Similarly.
10762         (clear_modify_mem_tables): Similarly.
10763
10764 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
10765
10766         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
10767         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
10768         config/mips/mips.md, config/rs6000/aix.h,
10769         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
10770
10771 2005-02-15  Richard Henderson  <rth@redhat.com>
10772
10773         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
10774         call to be best_edge.
10775
10776 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
10777
10778         * basic-block.h: Adjust the prototype for find_basic_blocks.
10779         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
10780         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
10781         find_basic_blocks.
10782
10783         * flow.c (recompute_reg_usage): Remove all arguments.
10784         * passes.c (rest_of_compilation): Adjust the call to
10785         recompute_reg_usage.
10786         * rtl.h: Adjust the prototype for recompute_reg_usage.
10787
10788 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
10789
10790         * tree-dump.c (dump_files): Update to reflect new member
10791         of dump_file_info.
10792         (dump_register): Add new argument.
10793         Set glob name.
10794         (dump_switch_p_1): Check against glob name if doglob was passed.
10795         (dump_switch_p): Check against regular first, then glob if
10796         we didn't have any hits on the dump name.
10797         * tree-optimize.c (register_one_dump_file):
10798         Pass in glob name as well.
10799         * tree-pass.h (struct dump_file_info): Add glob
10800         member.
10801
10802 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
10803
10804         PR preprocessor/16323
10805         * doc/invoke.texi: Document that -Wendif-labels is on by default.
10806
10807 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
10808
10809         PR target/19019
10810         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
10811         (trunctfdf2_internal1): New.
10812         (trunctfdf2_internal2): Renamed from trunctfdf2.
10813
10814 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
10815
10816         PR tree-optimization/19853
10817         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
10818
10819 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
10820
10821         * passes.c (rest_of_handle_loop_optimize): Remove calls to
10822         delete_dead_jumptables and cleanup_cfg.
10823
10824 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
10825
10826         * reload.c (find_reloads): Swap address_reloaded flags when
10827         swapping commutative operands.
10828
10829 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
10830
10831         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
10832         Use standard_iv_increment_position for computing the bsi position
10833         for create_iv.
10834         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
10835         the bsi position.
10836
10837 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
10838
10839         PR target/17428
10840         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
10841         life range of hard registers.
10842         * value-prof.c (insn_prefetch_values_to_profile): Only
10843         scan normal insns.
10844
10845         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
10846         profile in libcalls.
10847
10848 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
10849
10850         * bitmap.h (bitmap_and_compl_into): Return bool.
10851         * bitmap.c (bitmap_and_compl_into): Return changed flag.
10852
10853 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
10854
10855         PR tree-optimization/19944
10856         * fold-const.c (fold): Re-add ABS_EXPR folding.
10857
10858 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
10859
10860         PR target/19019
10861         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
10862         {TARGET,MASK}_XL_COMPAT.
10863         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
10864         MASK_XL_COMPAT.
10865         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
10866         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
10867         TARGET_XL_COMPAT.
10868         (rs6000_arg_partial_bytes): Same.
10869         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
10870         and XL compatibility enabled.
10871         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
10872         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
10873         test to final condition.
10874         (cmptf_internal2): New.
10875         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
10876         xl-compat.  Add TFmode information to description.
10877
10878 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
10879
10880         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
10881
10882 2005-02-13  Jason Merrill  <jason@redhat.com>
10883
10884         PR c++/16405
10885         * fold-const.c (fold_indirect_ref_1): Split out from...
10886         (build_fold_indirect_ref): Here.
10887         (fold_indirect_ref): New fn.
10888         * tree.h: Declare it.
10889         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
10890         (gimplify_modify_expr_rhs): Likewise.
10891         (gimplify_expr): Likewise.
10892
10893 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
10894
10895         PR tree-optimization/14303
10896         PR tree-optimization/15784
10897         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
10898         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
10899         ABS_EXPR<x> != 0 to x != 0.
10900
10901 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
10902
10903         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
10904         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
10905         spelling conventions.
10906
10907         * passes.c (rest_of_handle_gcse): Don't run cse_main and
10908         delete_trivially_dead_insns too many times.
10909
10910         * passes.c (rest_of_handle_gcse): Remove dead assignments to
10911         tem and tem2.
10912
10913 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10914
10915         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
10916         (vect_is_simple_iv_evolution): Remove redundant parameter
10917         and step check.
10918         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
10919         without last parameter.
10920         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
10921         Return pointer step. Call vect_is_simple_iv_evolution without
10922         last parameter. Check only that the step is multiple of size
10923         type. Remove stmt_vinfo updates.
10924         (vect_get_memtag_and_dr): Remove.
10925         (vect_get_memtag): New function.
10926         (vect_address_analysis): New function.
10927         (vect_object_analysis): New function.
10928         (vect_analyze_data_refs): Call vect_object_analysis and
10929         vect_get_memtag. Update stmt_vinfo fields.
10930
10931 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10932
10933         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
10934         exist and are objects. Remove checks for pointer.
10935         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
10936         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
10937         (vect_create_data_ref_ptr): Likewise.
10938         (vect_base_addr_differ_p): New function.
10939         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
10940         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
10941         Don't set the DR_BASE_NAME field of data-ref.
10942         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
10943
10944 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
10945
10946         * optabs.h (enum optab_index): Add new OTI_ldexp.
10947         (ldexp_optab): Define corresponding macro.
10948         * optabs.c (init_optabs): Initialize ldexp_optab.
10949         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
10950         patterns.
10951         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
10952         using ldexp_optab.
10953         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
10954         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
10955
10956         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
10957         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
10958         intrinsics.
10959
10960 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10961
10962         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
10963         to base_address.
10964         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
10965         stmt_vec_info.
10966         (vect_get_base_and_offset): Always return an address.
10967         (vect_create_addr_base_for_vector_ref): Remove treatment for
10968         different data reference types.
10969         (vect_compute_data_ref_alignment): Rename base to base_address in
10970         stmt_vec_info. Get the object in order to force its alignment.
10971         (vect_get_memtag_and_dr): Rename base to base_address in
10972         stmt_vec_info. Extract the object for memtag analysis.
10973
10974 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
10975
10976         PR regression/19898.
10977         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
10978         changes cc_status, use apply modified_in_p to part of cc_status
10979         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
10980         body.
10981
10982 2005-02-11  Richard Henderson  <rth@redhat.com>
10983
10984         * tree-complex.c (expand_complex_libcall): New.
10985         (expand_complex_multiplication): Use it for c99 compliance.
10986         (expand_complex_division): Likewise.
10987         * fold-const.c (fold_complex_add, fold_complex_mult): New.
10988         (fold): Call them.
10989         * builtins.c (built_in_names): Remove const.
10990         * tree.c (build_common_builtin_nodes): Build complex arithmetic
10991         builtins.
10992         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
10993         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
10994         (built_in_names): Remove const.
10995         * c-common.c (c_common_type_for_mode): Handle complex modes.
10996         * flags.h, toplev.c (flag_complex_method): Rename from
10997         flag_complex_divide_method.
10998         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
10999         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11000         * libgcc2.h: Declare them.
11001         * libgcc-std.ver: Export them.
11002         * mklibgcc.in (lib2funcs): Build them.
11003
11004 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11005
11006         PR tree-optimization/19876
11007         Partially revert my change from 2005-01-14
11008         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11009         (compute_antic): ...and remove the loop here.
11010
11011 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11012
11013         PR middle-end/19858
11014         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11015         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11016
11017         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11018         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11019
11020 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11021
11022         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11023         offsets for the big-endian 32-bit case.
11024
11025 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11026
11027         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11028
11029 2005-02-11  Dale Johannesen  <dalej@apple.com>
11030
11031         * cselib.c (cselib_process_insn):  Clear out regs where
11032         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11033         * reload.c (find_equiv_reg): Ditto.
11034
11035 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11036
11037         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11038         with no elements.
11039
11040         * tree.c (build_function_type_list): Work correctly if there are
11041         no arguments.
11042
11043 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11044
11045         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11046         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11047         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11048         TARGET_ZARCH instead of TARGET_64BIT.
11049
11050 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11051
11052         * config/rs6000/t-rtems:
11053         (MULTILIB_OPTIONS): Remove mcpu=602.
11054         (MUTLILIB_DIRNAMES): Remove m602.
11055         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11056         Let mcpu=602 match mcpu=603.
11057         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11058
11059 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11060
11061         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11062         signal trampolines.
11063
11064 2005-02-10  David Daney  <ddaney@avtrex.com>
11065
11066         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11067         * config/i386/linux-unwind.h: Likewise.
11068         * config/ia64/linux-unwind.h: Likewise.
11069         * config/mips/linux-unwind.h: Likewise.
11070         * config/pa/linux-unwind.h: Likewise.
11071         * config/rs6000/linux-unwind.h: Likewise.
11072         * config/s390/linux-unwind.h: Likewise.
11073         * config/sh/linux-unwind.h: Likewise.
11074         * config/sparc/linux-unwind.h: Likewise.
11075
11076 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11077
11078         PR tree-optimization/17549
11079         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11080         TER to replace a DEF with its expression if the DEF and the
11081         rhs of the expression we replace into have the same root
11082         variable.
11083
11084 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11085
11086         * config/mips/mips.md: Fix the placement of the match_scratch in the
11087         lea64 peephole2.
11088
11089 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11090
11091         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11092         Fix comment typos.
11093
11094 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
11095
11096         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
11097         (strip_offset): Handle addresses.
11098         (add_address_candidates): Use strip_offset.
11099         (difference_cost): Reflect strip_offset change.
11100         (force_var_cost, difference_cost): Strip nops.
11101
11102 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11103
11104         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
11105
11106         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
11107         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
11108         config/cris/cris-protos.h, config/cris/cris.c: Update
11109         copyright.
11110
11111 2005-02-10  Jeff Law  <law@redhat.com>
11112
11113         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11114         (lookup_avail_expr): Similarly.
11115
11116 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11117
11118         * builtins.c (fold_builtin_powi): New function.
11119         (fold_builtin_1): Call it.
11120
11121 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11122
11123         PR documentation/19309
11124         * doc/cpp.texi: The __GNUC__ and related predefined macros
11125         are also defined for the "standalone" cpp.
11126         Some non-GCC compilers may also define __GNUC__.
11127
11128 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
11129
11130         PR c/19342
11131         * c-typeck.c (common_type): New routine.  Old common_type renamed
11132         to...
11133         (c_common_type): ...this.
11134         (build_conditional_expr, build_binary_op): Use c_common_type instead
11135         of common_type.
11136
11137 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11138
11139         * doc/md.texi: Replace @samp{length} with @code{length}.
11140
11141 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11142
11143         PR tree-optimization/18687
11144         * tree-flow.h (find_loop_niter): Declare.
11145         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
11146         Try using scev even for loops with more than one exit.
11147         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
11148         (struct ivopts_data): Added niters field.
11149         (struct nfe_cache_elt): New.
11150         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
11151         functions.
11152         (tree_ssa_iv_optimize_init): Initialize niters cache.
11153         (determine_number_of_iterations): Removed.
11154         (find_induction_variables): Do not call determine_number_of_iterations.
11155         Access niters for single exit through niter_for_single_dom_exit.
11156         (add_iv_outer_candidates): Access niters for single exit through
11157         niter_for_single_dom_exit.
11158         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
11159         number_of_iterations_cond.
11160         (iv_period): New function.
11161         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
11162         (may_replace_final_value): Take data argument.  Use
11163         niter_for_single_dom_exit.
11164         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
11165         (rewrite_use_compare): Pass data to may_eliminate_iv.
11166         (rewrite_use_outer): Pass data to may_replace_final_value.
11167         (free_loop_data): Clean up the niters cache.
11168         (tree_ssa_iv_optimize_finalize): Free the niters cache.
11169         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
11170         * tree-ssa-loop-niter.c (find_loop_niter): New function.
11171         (find_loop_niter_by_eval): Use tree_int_cst_lt.
11172         (num_ending_zeros): Moved to tree.c.
11173         * tree.h (num_ending_zeros): Declare.
11174         * tree.c (num_ending_zeros): Moved from tree.c.
11175
11176 2005-02-09  Richard Henderson  <rth@redhat.com>
11177
11178         * builtins.c (DEF_BUILTIN): Add COND argument.
11179         * tree.h (DEF_BUILTIN): Likewise.
11180         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
11181         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
11182         match.
11183         (DEF_BUILTIN_STUB): New.
11184         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
11185         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
11186         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
11187         * c-common.c (DEF_BUILTIN): Add COND argument.
11188         * tree.c (local_define_builtin): New.
11189         (build_common_builtin_nodes): New.
11190
11191 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11192
11193         * fold-const.c (fold_strip_sign_ops): New function to simplify a
11194         floating point expression ignoring the sign of the result.
11195         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
11196         (fold) <MULT_EXPR>: Use it to simplify x*x.
11197         * tree.h (fold_strip_sign_ops): Prototype here.
11198         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
11199         argument.  Use fold_strip_sign_ops to simplify the first argument.
11200         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
11201         first argument when the second argument is an even integer
11202         constant, but only with -funsafe_math_optimizations.
11203         (fold_builtin_1): Update call to fold_builtin_copysign.
11204
11205 2005-02-09  Ian Lance Taylor  <ian@airs.com>
11206
11207         PR middle-end/19583
11208         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
11209         just check whether EH_FILTER_FAILURE falls through.
11210
11211 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11212
11213         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11214         insns return to ready list in the next turn.
11215
11216 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11217
11218         PR middle-end/19402
11219         * builtins.def: New __builtin_powi[lf].
11220         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
11221         (expand_builtin_powi): New function.
11222         (expand_builtin): Dispatch to expand_builtin_powi.
11223         * libgcc2.h: Add prototypes for __builtin_powi[lf].
11224         * libgcc2.c: Add __builtin_powi[lf] implementation.
11225         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
11226         * optabs.h: Add powi_optab.
11227         * optabs.c (init_optabs): Initialize powi_optab.
11228         * doc/extend.texi: Document __builtin_powi[lf].
11229
11230 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11231
11232         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11233         exists.
11234
11235 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11236
11237         PR middle-end/19854
11238         * fold-const.c (try_move_mult_to_index): Remove redundant
11239         type argument.  Create ADDR_EXPR with correct type.
11240         (fold): Update callers of try_move_mult_to_index.  Convert
11241         result to the appropriate type.
11242
11243 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11244
11245         PR target/19597
11246         * config/avr/avr.c (default_rtx_costs): Delete.
11247         (avr_operand_rtx_cost): New function.
11248         (avr_rtx_costs): Completely rewrite.
11249
11250 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
11251
11252         PR target/19806
11253         * config/cris/cris.c (in_code): New variable.
11254         (cris_output_addr_const): Now a static function, a wrapper for
11255         output_addr_const.
11256         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
11257         case from old cris_output_addr_const.
11258         (cris_asm_output_label_ref): Similar for LABEL_REF.
11259         (cris_output_addr_const_extra): Similar for UNSPEC.
11260         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
11261         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
11262         * config/cris/cris-protos.h (cris_output_addr_const): Remove
11263         declaration.
11264         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
11265         (cris_asm_output_label_ref): Declare.
11266
11267 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
11268
11269         PR preprocessor/19801
11270         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
11271         filenames that changed when libcpp was moved to the toplevel.
11272
11273 2005-02-07  Roger Sayle  <roger@eyesopen.com>
11274
11275         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11276         zero extensions of BImode operands.  Call lowpart_subreg instead
11277         of gen_lowpart_common and gen_lowpart_SUBREG.
11278
11279 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
11280
11281         PR ada/19489
11282         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
11283         * configure.ac: Set cc_for_cross_gnattools.
11284         * configure: Regenerate.
11285
11286 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
11287
11288         PR target/19803
11289         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
11290
11291 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11292
11293         PR debug/19327
11294         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
11295         of nested functions.
11296
11297 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
11298
11299         * doc/extend.texi: Document deprecated extensions allowing
11300         static floating-point members to have initializers and allowing
11301         floating-point literals in integral constant expressions.
11302
11303 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
11304
11305         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
11306         config/darwin7.h, config/mips/mips.c,
11307         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
11308         Update copyright.
11309
11310         * cse.c: Update comments.
11311
11312 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
11313
11314         PR middle-end/19775
11315         * builtins.c (fold_builtin_sqrt): Transform
11316         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
11317         pow(x,y*0.5).
11318
11319 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
11320             Dorit Naishlos  <dorit@il.ibm.com>
11321
11322         * doc/invoke.texi (ftree-vectorizer-verbose): New.
11323         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
11324         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
11325         was added.
11326         * tree.h (vect_set_verbosity_level): New extern function declaration
11327         added.
11328         * tree-vectorizer.h (verbosity_levels): New enum type.
11329         * tree-vectorizer.c (vect_debug_stats): Function removed.
11330         (vect_debug_details): Likewise.
11331         (vect_verbosity_level): Global variable was defined and initialized.
11332         (vect_dump): Global variable definition.
11333         (vect_print_dump_info): New function.
11334         (vect_set_dump_settings): New function.
11335         (vect_set_verbosity_level): New function.
11336         (vectorize_loops): Add call to vect_set_dump_settings.
11337
11338         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
11339         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11340         (slpeel_tree_peel_loop_to_edge): Likewise.
11341
11342         (vect_analyze_offset_expr): Call to vect_print_dump_info with
11343         appropriate verbosity level instead of call to vect_debug_details
11344         or vect_debug_stats.
11345         (vect_get_base_and_offset):
11346         (vect_create_addr_base_for_vector_ref):
11347         (get_vectype_for_scalar_type):
11348         (vect_create_data_ref_ptr):
11349         (vect_init_vector):
11350         (vect_get_vec_def_for_operand):
11351         (vect_finish_stmt_generation):
11352         (vectorizable_assignment):
11353         (vectorizable_operation):
11354         (vectorizable_store):
11355         (vectorizable_load):
11356         (vect_transform_stmt):
11357         (vect_update_ivs_after_vectorizer):
11358         (vect_do_peeling_for_loop_bound):
11359         (vect_update_inits_of_drs):
11360         (vect_do_peeling_for_alignment):
11361         (vect_transform_loop):
11362         (vect_is_simple_use):
11363         (vect_analyze_operations):
11364         (vect_is_simple_iv_evolution):
11365         (vect_analyze_scalar_cycles):
11366         (vect_analyze_data_ref_dependence):
11367         (vect_analyze_data_ref_dependences):
11368         (vect_compute_data_ref_alignment):
11369         (vect_enhance_data_refs_alignment):
11370         (vect_analyze_data_refs_alignment):
11371         (vect_analyze_data_ref_access):
11372         (vect_analyze_data_ref_accesses):
11373         (vect_analyze_pointer_ref_access):
11374         (vect_get_memtag_and_dr):
11375         (vect_analyze_data_refs):
11376         (vect_mark_relevant):
11377         (vect_stmt_relevant_p):
11378         (vect_mark_stmts_to_be_vectorized):
11379         (vect_can_advance_ivs_p):
11380         (vect_get_loop_niters):
11381         (vect_analyze_loop_form):
11382         (vect_analyze_loop):
11383         (vectorize_loops): Likewise.
11384
11385         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
11386         (vect_update_inits_of_drs):
11387         (vect_do_peeling_for_alignment):
11388         (vect_transform_loop):
11389         (vect_analyze_operations):
11390         (vect_analyze_scalar_cycles):
11391         (vect_analyze_data_ref_dependences):
11392         (vect_analyze_data_refs_alignment):
11393         (vect_analyze_data_ref_accesses):
11394         (vect_analyze_data_refs):
11395         (vect_mark_stmts_to_be_vectorized):
11396         (vect_get_loop_niters):
11397         (vect_analyze_loop_form):
11398         (vect_analyze_loop): Likewise.
11399         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
11400
11401 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
11402
11403         PR bootstrap/19796
11404         Revert:
11405         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11406         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11407         either -ffast-math or -funsafe-math-optimizations is in use.
11408
11409         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11410         * config/mips/irix-csr.c: New file.
11411         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11412         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11413         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11414         executables.
11415
11416 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
11417
11418         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
11419         redundant, incorrect definitions.
11420
11421         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
11422         expand.
11423         ("*tls_indirect_call"): New, reference hard regs directly.
11424         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
11425
11426 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11427
11428         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
11429         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
11430
11431 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11432
11433         PR rtl-optimization/19800
11434         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
11435         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
11436         gen_lowpart.
11437
11438 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11439
11440         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
11441
11442 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
11443
11444         PR other/17135
11445         * doc/invoke.texi: Correct documentation of -freorder-functions.
11446
11447 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11448
11449         PR other/14402
11450         * doc/invoke.texi: Don't mention gccbug.
11451
11452 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11453             Andrew Pinski  <pinskia@physics.uc.edu>
11454             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
11455
11456         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11457         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
11458         into just (zero_extract:SI FOO (const_int 1) BAR).
11459
11460 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11461
11462         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
11463         macro locally.  Don't give last revision date.  Use GCC version
11464         number from gcc-common.texi.
11465         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
11466         revision date.  Use GCC version number from gcc-common.texi.
11467         Describe being a library as current state rather than as 3.x
11468         history.
11469         * doc/gcc.texi: Remove last update date.
11470         * doc/gccint.texi: Likewise.  Update copyright dates.
11471         * doc/install.texi: Update copyright dates.
11472
11473 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11474
11475         PR other/7549
11476         * doc/invoke.texi: Mention for each option included in -Wall that
11477         it is included in -Wall.
11478         * doc/gcc.texi: Update copyright and last modification date.
11479
11480 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11481
11482         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
11483         unnecessary cast to original induction variable increments.
11484
11485 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11486
11487         PR tree-optimization/18219
11488         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
11489         in distributed form.
11490
11491 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
11492
11493         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
11494         Set bitpos and offset later in the function.  Do nothing if the
11495         target is a register and if the bitfield lies completely outside
11496         that register.
11497         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
11498         here.  Return an uninitialised register if the source value is stored
11499         in a register and the bitfield lies completely outside that register.
11500
11501 2005-02-06  Steven Bosscher  <stevenb@suse.de>
11502
11503         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
11504         not SET_DEST.
11505
11506 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
11507
11508         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
11509
11510 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
11511
11512         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
11513         * config/darwin8.h: New.
11514         * config/darwin7.h: Update comment.
11515
11516 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11517             Dorit Naishlos  <dorit@il.ibm.com>
11518
11519         * tree-vectorizer.h (LOC): New type.
11520         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
11521         (loop_line_number): New field in struct _loop_vec_info.
11522         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
11523
11524         * tree-vectorizer.c (input.h): Included.
11525         (find_loop_location): New function.
11526         (vect_debug_stats): Argument changed from loop to LOC. Computation of
11527         loop line number removed.
11528         (vect_debug_details): Likewise.
11529         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
11530
11531         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
11532         call to vect_debug_details/stats changed from loop to loop_loc.
11533         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11534         (slpeel_tree_peel_loop_to_edge): Likewise.
11535
11536         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
11537         changed from NULL to UNKNOWN_LOC.
11538         (vect_get_base_and_offset):
11539         (vect_create_addr_base_for_vector_ref):
11540         (get_vectype_for_scalar_type):
11541         (vect_create_data_ref_ptr):
11542         (vect_init_vector):
11543         (vect_get_vec_def_for_operand):
11544         (vect_finish_stmt_generation):
11545         (vectorizable_assignment):
11546         (vectorizable_operation):
11547         (vectorizable_store):
11548         (vectorizable_load):
11549         (vect_transform_stmt):
11550         (vect_update_ivs_after_vectorizer):
11551         (vect_do_peeling_for_loop_bound):
11552         (vect_do_peeling_for_alignment):
11553         (vect_transform_loop):
11554         (vect_is_simple_use):
11555         (vect_analyze_operations):
11556         (vect_is_simple_iv_evolution):
11557         (vect_analyze_scalar_cycles):
11558         (vect_analyze_data_ref_dependences):
11559         (vect_compute_data_ref_alignment):
11560         (vect_enhance_data_refs_alignment):
11561         (vect_analyze_data_ref_access):
11562         (vect_analyze_data_ref_accesses):
11563         (vect_analyze_pointer_ref_access):
11564         (vect_get_memtag_and_dr):
11565         (vect_analyze_data_refs):
11566         (vect_mark_relevant):
11567         (vect_stmt_relevant_p):
11568         (vect_mark_stmts_to_be_vectorized):
11569         (vect_can_advance_ivs_p):
11570         (vect_get_loop_niters):
11571         (vect_analyze_loop):
11572         (vectorize_loops): Likewise.
11573
11574         (vectorizable_load): Argument in call to vect_debug_details/stats
11575         changed from loop to LOOP_LOC (loop_vinfo).
11576         (vect_transform_loop):
11577         (vect_analyze_operations):
11578         (vect_analyze_scalar_cycles):
11579         (vect_analyze_data_ref_dependence):
11580         (vect_enhance_data_refs_alignment):
11581         (vect_analyze_data_ref_accesses):
11582         (vect_analyze_pointer_ref_access):
11583         (vect_analyze_data_refs):
11584         (vect_analyze_loop): Likewise.
11585
11586         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
11587         changed from loop to loop_loc.
11588
11589         (vect_enhance_data_refs_alignment): Removed unused variable loop.
11590
11591 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11592             Dorit Naishlos  <dorit@il.ibm.com>
11593
11594         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
11595         declaration added.
11596         (vect_analyze_data_ref_dependences): Likewise.
11597
11598         (vect_is_simple_use): Argument changed from loop structure to
11599         loop_vect_info structure.
11600         (vect_can_advance_ivs_p): Likewise.
11601         (vect_create_index_for_vector_ref): Likewise.
11602         (vect_update_ivs_after_vectorizer): Likewise.
11603         (new_stmt_vec_info): Likewise.
11604
11605         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
11606         changed from loop to loop_vinfo.
11607         (vect_create_data_ref_ptr): First argument in call to
11608         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
11609         (vectorizable_assignment): Second argument in call to vect_is_simple_use
11610         was changed from loop to loop_vinfo.
11611         (vectorizable_operation): Likewise.
11612         (vectorizable_store): Likewise.
11613         (vect_mark_stmts_to_be_vectorized): Likewise.
11614         (vect_do_peeling_for_loop_bound): First argument in call to
11615         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
11616         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
11617         was changed from loop to loop_vinfo.
11618         (vect_analyze_data_ref_dependences): Third argument in call to
11619         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
11620
11621         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
11622         (vect_create_data_ref_ptr): Likewise.
11623         (vect_init_vector): Likewise.
11624         (vect_get_vec_def_for_operand): Likewise.
11625         (vectorizable_assignment): Likewise.
11626         (vectorizable_operation): Likewise.
11627         (vectorizable_store): Likewise.
11628         (vectorizable_load): Likewise.
11629         (vect_update_ivs_after_vectorizer): Likewise.
11630         (vect_is_simple_use): Likewise.
11631         (vect_analyze_data_ref_dependence): Likewise.
11632         (vect_analyze_pointer_ref_access): Likewise.
11633         (vect_can_advance_ivs_p): Likewise.
11634
11635         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
11636         before _stmt_vec_info.
11637         (_stmt_vec_info): Loop field replaced by loop_vec_info.
11638         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
11639         (new_stmt_vec_info): Argument changed from loop structure to
11640         loop_vect_info structure
11641
11642         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
11643         (vect_analyze_offset_expr): Avoid 80 columns overflow.
11644         (vect_create_addr_base_for_vector_ref): Likewise.
11645         (vect_analyze_pointer_ref_access): Likewise.
11646
11647 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
11648
11649         PR tree-opt/19768
11650         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
11651         phi flag if the phi is abnormal.
11652
11653 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
11654
11655         PR tree-opt/19736
11656         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
11657         information for the new statement.
11658
11659 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
11660
11661         PR driver/19117
11662         * gcc.c (main): Include the target in -v output.
11663
11664 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
11665
11666         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
11667         Do not drop the extend if we'd have to add a paradoxical subreg
11668         later.  Include optabs.h and insn-codes.h.
11669         * Makefile.in (combine.o): Depend on $(OPTABS_H).
11670
11671 2005-02-02  Roger Sayle  <roger@eyesopen.com>
11672
11673         PR middle-end/19405
11674         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
11675         * fold-const.c (const_binop): Avoid constant folding floating
11676         point operations in modes that use composite representations.
11677         * simplify-rtx.c (simplify_binary_operation): Likewise.
11678
11679 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
11680
11681         * config/rs6000/altivec.md (altivec_dst): Make the first operand
11682         a REG, not a MEM.
11683         (altivec_dstt): Likewise.
11684         (altivec_dstst): Likewise.
11685         (altivec_dststt): Likewise.
11686         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
11687         of first operand.
11688
11689 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11690
11691         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
11692         EXPR_LOCUS from orig_cond to the new cond_stmt.
11693         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
11694         the new vec_stmt.
11695
11696 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11697
11698         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
11699         standard_iv_increment_position. Remove call to bsi_next
11700         (no need to bump the iterator anymore).
11701         (vect_create_index_for_vector_ref): Call
11702         standard_iv_increment_position. Remove second function argument.
11703         (vect_finish_stmt_generation): Remove call to bsi_next
11704         (no need to bump the iterator anymore).
11705         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
11706         to vect_create_index_for_vector_ref.
11707
11708 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11709
11710         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
11711         phis are used out of the loop.
11712
11713 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
11714
11715         PR c/17807
11716         * c-decl.c (undef_nested_function): New variable.
11717         (pop_scope): Diagnose undefined nested functions.
11718         (finish_function): Don't attempt cgraph processing or genericizing
11719         if current top-level function contained an undefined nested
11720         function.  Reset undef_nested_function at the end of a top-level
11721         function.
11722
11723 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
11724
11725         * tree.c (build_int_cst_type): Take sign of the value into account
11726         when deciding whether sign extend the value.
11727
11728 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11729
11730         PR c/18502
11731         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
11732         (cpp_options, cc1_options): Change %{std*&ansi} to
11733         %{std*&ansi&trigraphs}.
11734
11735 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11736
11737         * cse.c: Update comments.
11738
11739 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
11740
11741         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
11742         arguments go on the stack.  Do not put complex doubles in odd/even
11743         pairs.
11744
11745 2005-02-02  Steven Bosscher  <stevenb@suse.de>
11746
11747         * doc/invoke.texi: Update the options enabled at -O1, -O2,
11748         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
11749         -ftree-pre, and -fthread-jumps.
11750
11751 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
11752
11753         PR tree-optimization/19578
11754         * tree-flow.h (modified_noreturn_calls): Declare.
11755         (noreturn_call_p): Declare.
11756         * tree-flow-inline.h (noreturn_call_p): New function.
11757         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
11758         * tree-cfg.c (modified_noreturn_calls): New variable.
11759         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
11760         that contain a mid-block noreturn call.
11761         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
11762
11763 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11764
11765         * df.c (df_def_record_1, df_uses_record): Don't use
11766         DF_FOR_REGALLOC.
11767         * df.h (DF_FOR_REGALLOC): Remove.
11768
11769 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11770
11771         PR c/19435
11772         * c-typeck.c (really_start_incremental_init): Reset
11773         constructor_max_index for arrays of incomplete type.
11774
11775 2005-02-02  Jeff Law  <law@redhat.com>
11776
11777         * gcse.c (struct reg_set): Store the block index where the register
11778         was set rather than the setting insn.
11779         (record_one_set, compute_transp): Corresponding changes.
11780         (pre_insert_copy_insn): Do not call replace_one_set.
11781         (replace_one_set): Remove.
11782
11783 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11784
11785         PR other/15514
11786         * doc/gcov.texi: Fix typo.
11787
11788 2005-02-01  Richard Henderson  <rth@redhat.com
11789
11790         PR target/19680
11791         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
11792         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
11793         type to bool.
11794         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
11795         * config/i386/i386-protos.h: Update.
11796
11797 2005-02-01  Steven Bosscher  <stevenb@suse.de>
11798
11799         PR tree-optimization/19217
11800         * tree-cfg.c (verify_expr): Use the data field to see if TP was
11801         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
11802         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
11803         that it is walking a PHI node.
11804
11805 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
11806
11807         * doc/extend.texi (Nested Functions): Update.
11808
11809 2005-02-01  Richard Henderson  <rth@redhat.com>
11810
11811         PR 19696
11812         * optabs.c (expand_copysign_absneg): Export.
11813         * optabs.h (expand_copysign_absneg): Declare.
11814         * config/rs6000/rs6000.md (copysigntf3): New.
11815
11816 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
11817
11818         PR tree-optimization/19633
11819         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
11820         * tree-ssa-alias.c (init_alias_info): Initialize.
11821         (merge_pointed_to_info): Set.
11822         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
11823         (dump_points_to_info_for): Show value of pt_null.
11824         (struct count_ptr_d): Declare.
11825         (find_ptr_dereference): Remove.
11826         (ptr_is_dereferenced_by): Remove.
11827         (count_ptr_derefs): New local function.
11828         (count_uses_and_derefs): New local function.
11829         (compute_points_to_and_addr_escape): Call it.  If the number
11830         of dereferences is greater than zero, mark the pointer as
11831         dereferenced.  If there are fewer dereferences than uses of
11832         the pointer, the pointer's value escapes.
11833
11834 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
11835
11836         PR tree-optimization/19670
11837         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
11838         here...
11839         (verify_use): ... set it here, instead.
11840
11841 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
11842
11843         * doc/sourcebuild.texi (Test directives): Fix formatting.
11844
11845         * doc/sourcebuild.texi (Test directives): Describe selector
11846         expressions.
11847
11848 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
11849
11850         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
11851         specific 64-bit CPUs.
11852
11853 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
11854
11855         PR target/16201
11856         * arm.c (arm_eliminable_register): New function.
11857         (adjacent_mem_locations): Don't allow eliminable registers.  Use
11858         HOST_WIDE_INT for address offsets.
11859         * arm-protos.h (arm_eliminable_register): Add prototype.
11860
11861 2005-02-01  Steven Bosscher  <stevenb@suse.de>
11862
11863         PR optimization/15242
11864         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
11865         * basic-block.h (duplicate_computed_gotos): Add prototype.
11866         * bb-reorder.c (duplicate_computed_gotos): New function to
11867         duplicate sufficiently small blocks ending in a computed jump.
11868         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
11869         if not optimizing for size.
11870         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
11871         never do tail merging for blocks ending in a computed jump.
11872         * doc/invoke.texi: Document the max-goto-duplication-insns param.
11873
11874 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
11875
11876         Patch from Richard Sandiford <rsandifo@redhat.com>
11877         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
11878         from inheriting a subreg equivalence with a non-spill register.
11879
11880         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
11881
11882 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
11883
11884         * config/frv/frv.c (movcc_fp_destination_operand): New.
11885         (gpr_or_memory_operand): Fix typo in comment.
11886         (gpr_or_memory_operand_with_scratch): New.
11887         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
11888         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
11889         movcc_fp_destination_operand.
11890         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
11891         Legitimize memory addresses using a scratch register.
11892
11893 2005-01-31  Jeff Law  <law@redhat.com>
11894
11895         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
11896         bitmap a sparse bitmap instead of a simple bitmap.
11897         (mark_def_sites_initialize_block):  Corresponding changes.
11898         (ssa_mark_def_sites_initialize_block): Likewise.
11899         (ssa_mark_phi_uses): Likewise.
11900         (mark_def_site, ssa_mark_def_sites): Likewise.
11901         (mark_def_site_blocks): Likewise.
11902         (rewrite_ssa_into_ssa): Likewise.
11903
11904         * tree-ssa-dom.c (record_cond): Pass correct variable type
11905         for last argument to htab_find_slot_with_hash.
11906
11907         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
11908         effects when optimizing 0 % X.  Do not try to optimize X % 0.
11909
11910 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
11911
11912         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
11913         1_mmalua.
11914
11915 2005-02-01  Eric Christopher  <echristo@redhat.com>
11916
11917         * config/mips/mips.c (override_options): Warn if -mint64
11918         is used.
11919         * doc/invoke.texi (MIPS Options): Document that -mint64 is
11920         deprecated.
11921
11922 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
11923
11924         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
11925         timestamp.
11926         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
11927         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
11928         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
11929         (cached_regno): Initialize to INVALID_REGNUM.
11930         (cse_reg_info_table_size,
11931         cse_reg_info_table_first_uninitialized,
11932         cse_reg_info_timestamp): New.
11933         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
11934         get_cse_reg_info.
11935         (init_cse_reg_info, get_cse_reg_info_1): New.
11936         (get_cse_reg_info): Cache the last look-up.
11937         (new_basic_block): Update the code to clear mappings from
11938         registers to cse_reg_info entries.
11939         (cse_main): Call init_cse_reg_info.
11940
11941         * cse.c (get_cse_reg_info): Update a comment.
11942
11943 2005-01-31  Steven Bosscher  <stevenb@suse.de>
11944
11945         PR c/19333
11946         * c-decl.c (start_decl): Do not warn about arrays of elements with
11947         an incomplete type here.
11948         (grokdeclarator): Do it here by making a pedwarn an error.
11949         * c-typeck.c (push_init_level): If there were previous errors with
11950         the constructor type, do not warn about braces for initializers.
11951         (process_init_element): Likewise for excess initializer elements.
11952
11953 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
11954
11955         * cse.c (delete_trivially_dead_insn): Don't iterate.
11956
11957 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
11958
11959         * config/rs6000/rs6000.md (copysignsf3): New expand.
11960         (copysigndf3): Likewise.
11961
11962 2005-01-31  Steven Bosscher  <stevenb@suse.de>
11963
11964         * recog.c (constrain_operands): Only look for earlyclobber operand
11965         conflicts if an '&' constraint was seen.
11966
11967 2005-01-31  Marc Espie <espie@openbsd.org>
11968
11969         * config.gcc: Don't include embedded systems fragment, switches default
11970         debugging format to ELF.
11971         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
11972         longer pick it up there.
11973
11974 2005-01-31  Dale Johannesen  <dalej@apple.com>
11975
11976         * doc/extend.texi (nested functions): Fix linkage description.
11977         Clarify that static is not allowed.
11978
11979 2005-01-31  Dale Johannesen  <dalej@apple.com>
11980
11981         * config/rs6000/darwin.md (movsf_low_di):  Make work.
11982         (movdf_low_di):  Make work.
11983
11984 2005-01-31  Dale Johannesen  <dalej@apple.com>
11985
11986         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
11987         Make work for 64 bit.
11988
11989 2005-01-31  Roger Sayle  <roger@eyesopen.com>
11990             Dale Johannesen  <dalej@apple.com>
11991
11992         PR middle-end/19650
11993         * fold-const.c (fold_binary_op_with_conditional_arg):
11994         Make types match original operands, before STRIP_NOPS.
11995
11996 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
11997
11998         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
11999         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12000         (struct gcc_sigcontext): Delete.  Merge contents to..
12001         (struct gcc_ucontext): ..here.
12002         (get_sigcontext): Delete.
12003         (get_regs): New function, like get_sigcontext but return regs ptr.
12004         64-bit version finds regs from r1 to support vdso.
12005         (ppc_linux_aux_vector): New function.
12006         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12007         and vector regs.
12008
12009 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12010
12011         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12012         sizetype.
12013         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12014         redundant fold. Fix misalignment for MINUS_EXPR.
12015         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12016         (vect_analyze_pointer_ref_access): Likewise.
12017         (vect_get_memtag_and_dr): Likewise.
12018
12019 2005-01-31  Richard Henderson  <rth@redhat.com>
12020
12021         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12022         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12023         absnegdf2_i387, absnegxf2_i387): Likewise.
12024
12025 2005-01-31  Richard Henderson  <rth@redhat.com>
12026
12027         PR 19696
12028         * optabs.c (expand_copysign_absneg): New.
12029         (expand_copysign_bit): Split out from ...
12030         (expand_copysign): ... here.  Use expand_copysign_absneg.
12031
12032 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12033
12034         PR middle-end/19697
12035         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12036         constant as the second operand and a register as the third.
12037
12038 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12039
12040         PR target/19704
12041         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12042         that dllimport'd functions do not use all call-clobbered registers
12043         to pass parameters.
12044
12045 2005-01-30  Richard Henderson  <rth@redhat.com>
12046
12047         PR 19696
12048         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12049         expand_abs_nojump and generalize.  Use operand_subword and
12050         emit_no_conflict_block.  Support large modes.
12051         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12052         back to maximum.
12053         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12054         negation to subtraction.
12055         (expand_copysign): Check that the format has signed zeros.
12056         Use operand_subword and emit_no_conflict_block.  Support large modes.
12057
12058 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12059
12060         Fix PR tree-optimization/19624
12061
12062         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12063         * tree-ssa-pre.c: Add cfgloop.h.
12064         Update comment.
12065         (pre_stats): New member, constified.
12066         (inserted_exprs): New static variable.
12067         (NECESSARY): New macro.
12068         (create_expression_by_pieces): Fold the expression, and
12069         mark it as defaulting to not necessary. Also put in
12070         inserted_exprs.
12071         (fully_constant_expression): New function.
12072         (insert_into_preds_of_block): Modify to not insert phis when we
12073         are playing with induction variables.
12074         Push phis onto the inserted_exprs vector, and mark them as not
12075         necessary by default.
12076         (insert_aux): Call fully_constant_expression on eprime.
12077         If all edges produce the same value, mark it constant.
12078         (mark_operand_necessary): New function.
12079         (remove_dead_inserted_code): New function.
12080         (init_pre): Init loop optimizer to get loop info.
12081         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12082         (execute_pre): Commit edge inserts, then remove dead code.
12083
12084 2005-01-30  Richard Henderson  <rth@redhat.com>
12085
12086         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12087         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12088
12089 2005-01-30  Richard Henderson  <rth@redhat.com>
12090
12091         PR target/19700
12092         * config/i386/i386.c (ix86_expand_copysign): New.
12093         (ix86_split_copysign_const): New.
12094         (ix86_split_copysign_var): Rename from ix86_split_copysign,
12095         rearrange op1/nmask operands.
12096         * config/i386/i386-protos.h: Update.
12097         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
12098         (copysigndf3): Likewise.
12099         (copysignsf3_const, copysigndf3_const): New.
12100         (copysignsf3_var): Rename from copysignsf3, split out splitter
12101         and fix split predicate for X constraint.
12102         (copysigndf3_var): Similarly.
12103
12104 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12105
12106         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
12107         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
12108         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
12109
12110 2005-01-29  Richard Henderson  <rth@redhat.com>
12111
12112         PR target/19690
12113         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12114         of # and * in constraints.
12115
12116 2005-01-29  Richard Henderson  <rth@redhat.com>
12117
12118         PR middle-end/19689
12119         * expr.c (store_field): Don't strip sub-mode cast when the input
12120         data is even smaller.
12121
12122 2005-01-29  Richard Henderson  <rth@redhat.com>
12123
12124         PR middle-end/19687
12125         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12126         union being empty.
12127
12128 2005-01-29  Richard Henderson  <rth@redhat.com>
12129
12130         * combine.c (make_field_assignment): Fix argument order
12131         to gen_int_mode.
12132
12133 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
12134
12135         PR tree-optimization/15791
12136         * fold-const.c (extract_array_ref): New function.
12137         (fold): Fold comparisons between &a[i] and &a[j] or
12138         semantically equivalent trees.
12139
12140 2005-01-29  Jeff Law  <law@redhat.com>
12141
12142         * gcse.c (insert_expr_in_table): Revamp handling of available
12143         and anticipatable occurrence lists to avoid unnecessary list
12144         walking.
12145         (insert_set_in_table): Similarly.
12146
12147 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
12148
12149         * c-common.c (fix_string_type): Just use c_build_qualified_type to
12150         build string type.
12151         (c_build_qualified_type): Build qualified array types with
12152         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
12153         * c-decl.c (c_make_fname_decl): Build unqualified array type
12154         before qualified type.
12155         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
12156         type is qualified, not just if type itself is.  Don't apply
12157         qualifiers to array type when declarator is processed.  Apply
12158         qualifiers to field type whether or not it is an array type.
12159         Don't handle array types specially for applying qualifiers to
12160         variables.
12161         * c-typeck.c (composite_type): Build unqualified element type and
12162         array type when forming composite of array types.
12163         (common_pointer_type, comptypes, comp_target_types,
12164         type_lists_compatible_p, build_indirect_ref, build_array_ref,
12165         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
12166         types.
12167         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
12168         (args2) in variables a1 and a2.
12169
12170 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12171
12172         * cse.c (n_elements_made, max_elements_made): Remove.
12173         (insert): Don't touch n_elements_made.
12174         (cse_main): Don't touch n_elements_made or max_elements_made.
12175
12176 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
12177
12178         PR target/15384
12179         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
12180         configuration part of dp-bit.c to be lost.
12181
12182 2005-01-28  Roger Sayle  <roger@eyesopen.com>
12183
12184         * expmed.c (expand_mult_highpart_optab): When attempting to use
12185         a non-widening multiplication in a wider mode, the operands need
12186         to be converted (zero or sign extended) to that mode.
12187
12188 2005-01-28  Ian Lance Taylor  <ian@airs.com>
12189
12190         PR middle-end/16558
12191         PR middle-end/19583
12192         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12193         through if both operands fall through.
12194
12195 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12196
12197         * cse.c (fold_rtx) <PC>: Don't optimize.
12198
12199 2005-01-28  Jeff Law  <law@redhat.com>
12200
12201         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12202         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12203
12204 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12205
12206         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
12207         cse_reg_info_used_list_end): Remove.
12208         (cse_reg_info_list, cse_reg_info_list_free): New.
12209         (get_cse_reg_info): When allocating an instance of
12210         cse_reg_info, add it to the beginning of the cse_reg_info_list
12211         list.  Remove code to maintain cse_reg_info_used_list.
12212         (new_basic_block): Reset the free list to the beginning of
12213         cse_reg_info_list.
12214
12215 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
12216
12217         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
12218         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
12219         (frv_expand_mdpackh_builtin): New function.
12220         (frv_expand_builtin): Use it to expand __MDPACKH.
12221         * doc/extend.texi (__MDPACKH): Update documentation.
12222
12223 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12224
12225         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12226         SSE_FLOAT_MODE_P for use_sse computation.
12227
12228 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12229
12230         PR target/19663
12231         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12232
12233 2005-01-27  Richard Henderson  <rth@redhat.com>
12234
12235         * builtins.c (expand_builtin_copysign): New.
12236         (expand_builtin): Call it.
12237         * genopinit.c (optabs): Add copysign_optab.
12238         * optabs.c (init_optabs): Initialize it.
12239         (expand_copysign): New.
12240         * optabs.h (OTI_copysign, copysign_optab): New.
12241         (expand_copysign): Declare.
12242
12243         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12244         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
12245
12246         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
12247         (ix86_expand_fp_absneg_operator): ... here.
12248         (ix86_split_copysign): New.
12249         * config/i386/i386-protos.h: Update.
12250         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
12251         (copysignsf3, copysigndf3): New.
12252
12253         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
12254         (copysignsf3, ncopysignsf3): New.
12255         (copysigndf3, ncopysigndf3): New.
12256         (copysignxf3, ncopysignxf3): New.
12257         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
12258
12259 2005-01-27  Arend Bayer  <arend.bayer@web.de>
12260             Kazu Hirata  <kazu@cs.umass.edu>
12261
12262         * cse.c: (find_best_addr): Don't call copy_rtx before calling
12263         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
12264         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
12265         NULL_RTX.
12266
12267 2005-01-27  Jeff Law  <law@redhat.com>
12268
12269         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
12270         definitions of SSA_NAMEs which are not being rewritten.
12271         (rewrite_ssa_into_ssa): Only initialize the current definition
12272         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
12273         If checking is enabled, assert that SSA_NAME_AUX is clear for all
12274         SSA_NAMEs before returning.
12275
12276 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
12277
12278         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
12279         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
12280         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
12281         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
12282         config/mips/iris6.h, config/sh/sh.c: Update copyright.
12283
12284 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12285
12286         PR middle-end/17278
12287         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
12288         higher to -O2 and higher.  Likewise for tree PRE.
12289         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
12290         and better.
12291
12292 2005-01-27  Ian Lance Taylor  <ian@airs.com>
12293
12294         PR middle-end/19583
12295         * gimple-low.c (try_catch_may_fallthru): New static function.
12296         (block_may_fallthru): Handle TRY_CATCH_EXPR.
12297         * tree-inline.c (expand_call_inline): Don't warn about reaching
12298         the end of a non-void function being inlined if the function uses
12299         a return slot.
12300
12301 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
12302
12303         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
12304
12305         PR c/18946
12306         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
12307         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
12308         (implicitly_declare): Handle error_mark_node.
12309
12310 2005-01-27  Richard Henderson  <rth@redhat.com>
12311
12312         PR tree-opt/14329
12313         * tree.h (struct tree_decl): Add debug_expr_is_from.
12314         (DECL_DEBUG_EXPR_IS_FROM): New.
12315         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
12316         * dwarf2out.c (dwarf2out_var_location): Update to match.
12317         * tree-outof-ssa.c (create_temp): Likewise.
12318         * var-tracking.c (track_expr_p): Likewise.
12319         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
12320         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
12321         * toplev.c (default_tree_printer): Likewise.
12322
12323 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
12324
12325         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
12326         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
12327
12328 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12329
12330         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
12331         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
12332         ASM_CLOBBERS): Add tree checks.
12333
12334         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
12335         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
12336         * c-common.def (SWITCH_STMT): Update to match.
12337         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
12338         macros instead of SWITCH_EXPR ones.
12339         * c-dump.c (c_dump_tree): Likewise.
12340         * c-gimplify.c (gimplify_switch_stmt): Likewise.
12341         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
12342
12343         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
12344
12345 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
12346
12347         * unwind-dw2.c (execute_stack_op): Add missing cases for
12348         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
12349
12350 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12351
12352         * config.gcc (Obsolete configurations): Remove 'dummy', add
12353         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
12354         sparc-*-openbsd*.
12355
12356 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
12357
12358         PR tree-optimization/19633
12359         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
12360         CALL_EXPRs.
12361         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
12362         are no call-clobbered variables.
12363         * tree-outof-ssa.c (check_replaceable): Return false for calls
12364         with side-effects.
12365
12366 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
12367
12368         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
12369         even for variables with NULL DECL_INITIAL.
12370
12371 2005-01-26  Stuart Hastings  <stuart@apple.com>
12372
12373         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
12374
12375 2005-01-26  Richard Henderson  <rth@redhat.com>
12376
12377         PR middle-end/18008
12378         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12379         field's type.
12380         * expr.c (store_field): Strip conversions to odd-bit-sized types
12381         if the destination field width matches.
12382
12383 2005-01-26  Richard Henderson  <rth@redhat.com>
12384
12385         * c-decl.c, expmed.c, expr.c: Revert last change.
12386
12387 2005-01-26  Richard Henderson  <rth@redhat.com>
12388
12389         PR middle-end/18008
12390         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12391         field's type.
12392         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
12393         if we don't need the bits above those present in the current mode.
12394         * expr.c (store_field): Strip conversions to odd-bit-sized types
12395         if the destination field width matches.
12396
12397 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12398
12399         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12400         either -ffast-math or -funsafe-math-optimizations is in use.
12401
12402 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12403
12404         PR target/19293
12405         PR target/19329
12406         * config/avr/avr.c (notice_update_cc): Only set condition code for
12407         ashrqi3 if shift count > 0.
12408         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
12409         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
12410         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
12411         count <= 0 as a no-op, and shift count >= width by copying zero
12412         or sign bit to all bits of the result.
12413         * config/avr/avr.md (all shifts): Add alternatives for zero shift
12414         count, with attribute "length" set to 0 and "cc" set to "none".
12415
12416 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12417
12418         * doc/invoke.texi: Document -mTLS.
12419
12420         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
12421         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
12422         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
12423         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
12424         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
12425         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
12426         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
12427         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
12428
12429         * configure.ac: Check for a TLS capable gas.
12430
12431         * configure: Regenerate.
12432
12433 2005-01-26  Richard Henderson  <rth@redhat.com>
12434
12435         PR middle-end/18008
12436         * combine.c (make_field_assignment): Simplify store to zero_extract
12437         from a source with an overlapping mask.
12438
12439 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12440
12441         2004-11-11  Eric Christopher  <echristo@redhat.com>
12442
12443         * config/frv/frv.md: Add fr400_integer automaton. Don't
12444         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
12445         to TYPE_MACC.
12446
12447 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12448
12449         PR middle-end/16585
12450         * cfgbuild.c (make_edges): Do not clear or set
12451         current_function_has_computed_jump.
12452         * function.h (struct function): Remove the has_computed_jump field.
12453         (current_function_has_computed_jump): Do not define.
12454         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
12455         in a computed jump.  Ignore current_function_has_computed_jump.
12456
12457 2005-01-26  Richard Henderson  <rth@redhat.com>
12458
12459         PR middle-end/19515
12460         * expr.c (categorize_ctor_elements): New argument p_must_clear.
12461         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
12462         fully initialized.
12463         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
12464         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
12465         objects into static storage if they have more than one non-zero value.
12466         * tree.h (categorize_ctor_elements): Update decl.
12467
12468 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12469
12470         PR middle-end/19616
12471         * tree.h (CALL_EXPR_TAILCALL): Add comment.
12472         * calls.c (check_sibcall_argument_overlap_1): Revert the change
12473         to this function from 2004-07-10.
12474         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
12475         the current function for tail call optimizations if the address
12476         of one of it its arguments is taken.
12477
12478 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12479
12480         * cse.c (fold_rtx): Call equiv_constant only when necessary.
12481
12482 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
12483
12484         * function.c (expand_function_end): If current_function_calls_alloca,
12485         emit stack restore in a place that is reached when the function falls
12486         through at the end.
12487
12488 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
12489
12490         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
12491         rule to avoid matching inappropriate suffix rule.
12492
12493 2005-01-26  Jan Hubicka  <jh@suse.cz>
12494
12495         PR tree-optimization/19241
12496         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
12497
12498 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12499
12500         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
12501         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
12502         of doubling.
12503         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
12504         <sim*>: Always use crt1.o, regardless of N in simN.
12505         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12506         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
12507         (CRT_CALL_STATIC_FUNCTION): Remove.
12508         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
12509         use crt1.o, regardless of N in simN.
12510         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12511         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
12512         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
12513         case isystem setting.
12514         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
12515
12516 2005-01-25  Ian Lance Taylor  <ian@airs.com>
12517
12518         * gimple-low.c (block_may_fallthru): Correct handling of
12519         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
12520
12521 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12522
12523         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
12524         handlers to match indentation; nested under the mtune=* handler.
12525         Similar for mcpu= and march=.
12526
12527 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
12528
12529         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
12530         * config/mips/linux64.h (LIB_SPEC): Likewise.
12531         * config/mn10300/linux.h (LIB_SPEC): Likewise.
12532         * config/sh/linux.h (LIB_SPEC): Likewise.
12533
12534 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
12535
12536         * config/frv/frv.c (frv_legitimize_tls_address): New.
12537         (TARGET_HAVE_TLS): Define.
12538         (FRV_SYMBOL_REF_TLS_P): Define.
12539         (frv_override_options): Handle new register classes.
12540         (frv_legitimate_address_p): Reject tls addresses.
12541         (frv_legitimize_address): Handle TLS addresses.
12542         (gen_inlined_tls_plt): New.
12543         (gen_tlsmoff): New.
12544         (frv_legitimize_tls_address): New.
12545         (unspec_got_name): Add TLS entries.
12546         (got12_operand): Add R_FRV_TLSMOFF12 case.
12547         (frv_emit_move): Fixup TLS addresses.
12548         (frv_emit_movsi): Legitimize TLS addresses.
12549
12550         * config/frv/frv.h (MASK_BIG_TLS): New.
12551         (TARGET_BIG_TLS): New.
12552         (HAVE_AS_TLS): Define.
12553         (TARGET_SWITCHES): Add -mTLS and -mtls options.
12554         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
12555         (REG_CLASS_NAMES): Same.
12556         (REG_CLASS_CONTENTS): Same.
12557         (CONSTRAINT_LEN): New.
12558         (REG_CLASS_FROM_CONSTRAINT): New.
12559         (PREDICATE_CODES): Add symbolic_operand.
12560
12561         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
12562         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
12563         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
12564         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
12565         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
12566         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
12567         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
12568         GR9_REG, GR14_REG, LRREG.
12569         (type): Add load_or_call attribute.
12570         ("load_or_call"): New reservation.
12571         ("call_gettlsoff"): New.
12572         ("tls_indirect_call"): New.
12573         ("tls_load_gottlsoff12"): New.
12574         ("tlsoff_hilo"): New.
12575         ("tls_tlsdesc_ldd"): New.
12576         ("tls_tlsoff_ld"): New.
12577         ("tls_lddi"): New.
12578
12579         * config/frv/frv-protos.h (symbolic_operand): Protoize.
12580
12581         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
12582
12583         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
12584         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
12585         * config/frv/frv.c (TLS_BIAS): Define.
12586         (frv_output_dwarf_dtprel): New.
12587
12588 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
12589
12590         PR rtl-optimization/19579
12591         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
12592         both A and B, see if they don't clobber registers the other expr uses.
12593
12594 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
12595
12596         * real.c (do_add): Initialize signalling and canonical members.
12597
12598         * real.c (real_from_integer): Zero out destination.
12599
12600 2005-01-18  Jan Hubicka  <jh@suse.cz>
12601
12602         PR tree-optimize/19337
12603         * tree-inline.c (initialize_inlined_parameters): Copy
12604         saved_static_chain_decl only.
12605
12606 2005-01-25  Richard Henderson  <rth@redhat.com>
12607
12608         PR target/19556
12609         PR target/19584
12610         * config/i386/i386.c (x86_inter_unit_moves): Zero.
12611         (ix86_preferred_reload_class): Rewrite fp-constant section, with
12612         80387 enabled, to return a proper subclass.  Return the subset that
12613         overlaps with GENERAL_REGS for PLUS.
12614         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
12615
12616 2005-01-25  Richard Henderson  <rth@redhat.com>
12617
12618         PR middle-end/19609
12619         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
12620
12621 2005-01-25  Roger Sayle  <roger@eyesopen.com>
12622
12623         * expmed.c (choose_multiplier): Change interface to return the
12624         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
12625         (expand_divmod): Update calls to choose_multiplier.
12626
12627 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12628
12629         PR middle-end/19330
12630         * expmed.c (extract_bit_field): Use adjust_address instead of
12631         gen_lowpart when op0 is a MEM.
12632
12633 2005-01-24  Steven Bosscher  <stevenb@suse.de>
12634
12635         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
12636
12637 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12638
12639         * config/mips/irix-csr.c: New file.
12640         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12641         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12642         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12643         executables.
12644
12645 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
12646
12647         PR bootstrap/19364
12648         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
12649         sparc/elf.h, add sparc/sp-elf.h.
12650         (sparc-*-rtems*): Likewise.
12651         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
12652         tm-dwarf2.h, add sparc/sp-elf.h.
12653         (sparc86x-*-elf): Likewise.
12654         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
12655         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
12656         TARGET_OS_CPP_BUILTINS.
12657         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12658         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12659         Undefine it.
12660         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
12661         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
12662         (SWITCH_TAKES_ARG): Likewise.
12663         (LOCAL_LABEL_PREFIX): Likewise.
12664         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
12665         (TARGET_N_FORMAT_TYPES): Delete.
12666         (TARGET_FORMAT_TYPES): Likewise.
12667         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
12668         * config/sparc/elf.h: Delete.
12669         * config/sparc/sp-elf.h: New file.
12670
12671 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
12672
12673         * tree-flow-inline.h (phi_arg_from_edge): Remove.
12674         * tree-flow.h: Remove the corresponding prototype.
12675         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
12676         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
12677
12678 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12679
12680         PR target/17751
12681         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
12682         for AIX ABI or ELF -fPIC.
12683         (rs6000_emit_load_toc_table): Don't create toc_section here.
12684         (rs6000_xcoff_file_start): Nor here.
12685
12686 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
12687
12688         * sh.c (ra.h): Don't #include.
12689         (hard_regs_intersect_p): New function, resurrected from ra.c.
12690
12691         * sh.c: Fix 1996 Copyright.
12692
12693 2005-01-24  Richard Henderson  <rth@redhat.com>
12694             Aldy Hernandez  <aldyh@redhat.com>
12695
12696         * regrename.c (note_sets): Handle subregs.
12697
12698 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
12699
12700         PR bootstrap/18058
12701         * genconditions.c (write_header, write_conditions): Elide file if
12702         not GCC >= 3.0.1.
12703
12704 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
12705
12706         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
12707         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
12708         Update copyright.
12709
12710 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12711
12712         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
12713         expand_builtin_printf, expand_builtin_fprintf,
12714         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
12715         checking against POINTER_TYPE.
12716         (validate_arglist): Handle POINTER_TYPE code by checking
12717         POINTER_TYPE_P.
12718
12719 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
12720
12721         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
12722         init_rtlanal): New.
12723         (for_each_rtx): Call for_each_rtx_1.
12724         * rtl.h (init_rtlanal): Declare.
12725         * toplev.c (backend_init): Call init_rtlanal.
12726
12727 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12728
12729         * flow.c (propagate_one_insn): Formatting.
12730
12731         PR middle-end/19551
12732         * flow.c (libcall_dead_p): Be more conservative if unsure.
12733         If there are any instructions between insn and call, see if they are
12734         all dead before saying the libcall is dead.
12735
12736 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
12737
12738         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
12739         operand constraint for operand 0.
12740
12741 2005-01-23  Richard Henderson  <rth@redhat.com>
12742
12743         PR 19486
12744         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
12745         edges leading to join block.
12746
12747 2005-01-23  Roger Sayle  <roger@eyesopen.com>
12748
12749         * expmed.c (expand_mult_highpart): Make static.  Change type of
12750         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
12751         (expand_divmod): Updates calls to expand_mult_highpart by using
12752         gen_int_mode to pass a CONST_INT rtx.
12753         * rtl.h (expand_mult_highpart): Remove prototype.
12754
12755 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12756
12757         * flow.c (regset_bytes, regset_size): Remove.
12758
12759         * cfganal.c: Fix a reference to Harvey's paper.
12760
12761 2005-01-23  Steven Bosscher  <stevenb@suse.de>
12762
12763         PR rtl-optimization/19464
12764         * tree-optimize.c (init_tree_optimization_passes): Add one more
12765         copyrename pass just before out-of-ssa.
12766
12767 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
12768
12769         PR bootstrap/18058
12770         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
12771         * ggc-none.c (ggc_free): Define.
12772
12773 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12774
12775         * cse.c (max_reg, max_insn_uid): Remove.
12776         (cse_main): Don't access max_reg or max_insn_uid.
12777
12778         * c-common.c (explicit_flag_signed_bitfields,
12779         lang_statement_code_p, lang_expand_function_end): Remove.
12780         * c-common.h: Remove the corresponding declarations.
12781         * c-opts.c (c_common_handle_option): Remove all write access
12782         to explicit_flag_signed_bitfields.
12783
12784         * cgraph.c (cgraph_varpool_n_nodes): Remove.
12785         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
12786         * cgraph.h: Remove the corresponding declaration.
12787
12788         * gcse.c (null_pointer_info): Remove.
12789
12790 2005-01-23  Roger Sayle  <roger@eyesopen.com>
12791             Eric Botcazou  <ebotcazou@libertysurf.fr>
12792
12793         * combine.c (simplify_logical): Only simplify logical expressions
12794         of the form ior(and(x,y),z) by the inverse distributive law if the
12795         result is cheaper than the original.
12796
12797 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12798
12799         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
12800         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
12801         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
12802         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
12803         config/freebsd-spec.h, config/arm/arm.h,
12804         config/h8300/h8300.md, config/i386/i386.md,
12805         config/i386/predicates.md, config/i386/sse.md,
12806         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
12807         config/vax/vax.md: Fix comment typos.  Follow spelling
12808         conventions.
12809
12810 2005-01-23  Steven Bosscher  <stevenb@suse.de>
12811
12812         * gengtype.c (walk_type): Produce `not equal to' compares for loop
12813         tests, instead of `less than'.
12814
12815 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
12816
12817         * function.c (assign_parm_setup_block): When creating a new stack slot
12818         for a parameter, get its alignment from the parameter's DECL_ALIGN
12819         rather than the type's TYPE_ALIGN.  Make sure that the parameter
12820         is at least word aligned.
12821
12822 2005-01-22  Roger Sayle  <roger@eyesopen.com>
12823
12824         PR middle-end/19378
12825         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
12826
12827 2005-01-22  Richard Henderson  <rth@redhat.com>
12828
12829         PR target/19506
12830         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
12831         in both compare operands.
12832         (movdfcc_1_sse_max): Likewise.
12833         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
12834         (movdfcc_1_sse): Likewise.
12835         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
12836         scratch register as needed.
12837
12838 2005-01-22  Richard Henderson  <rth@redhat.com>
12839
12840         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
12841
12842         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
12843
12844 2005-01-22  Richard Henderson  <rth@redhat.com>
12845
12846         * genopinit.c (optabs): Use smin/smax for floating point too.
12847         * doc/md.texi: Update to match.  Clarify that floating point
12848         results are undefined for +0/-0 and NaN.
12849         * doc/rtl.texi: Likewise.
12850         * rtl.def (SMIN, SMAX): Likewise
12851         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
12852
12853         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
12854         leading 's' to the name.
12855         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
12856         smaxxf3, sminxf3): Likewise.
12857         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
12858         Likewise.
12859
12860 2005-01-22  Paul Brook  <paul@codesourcery.com>
12861
12862         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
12863
12864 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
12865
12866         * config/s390/s390.c (struct processor_costs): New fields
12867         dlgr, dlr, dr, dsgfr, dsgr.
12868         (z900_cost, z990_cost): Values for new fields.
12869         (s390_rtx_costs): New cases MEM und COMPARE in switch
12870         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
12871         DIV, MOD, UDIV, UMOD.
12872
12873 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
12874
12875         * config/s390/s390.md ("doloop_si64"): Reload input value directly
12876         into the register being decremented.
12877         ("doloop_si31", "doloop_di"): Likewise.
12878         ("*doloop_si_long"): Adapt pattern.
12879
12880 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
12881
12882         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
12883         access registers.
12884         (CLASS_MAX_NREGS): Likewise.
12885
12886 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
12887
12888         * doc/tree-ssa.texi (Statement Operands): Add example for new
12889         must-def macro. Note deprecation of old operands interface.
12890
12891 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
12892
12893         PR tree-optimization/19484
12894         * tree-cfg.c (remove_fallthru_edge): New function.
12895         (cleanup_control_flow): Remove fallthru edges from calls that are
12896         now known not to return.
12897
12898 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
12899
12900         Fix PR tree-optimization/19038
12901         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
12902         copies with loop variant ones.
12903
12904 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
12905
12906         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
12907         config/alpha/alpha-protos.h, config/alpha/alpha.h,
12908         config/alpha/alpha.md, config/alpha/predicates.md,
12909         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
12910         config/sparc/sol2.h: Update copyright.
12911
12912         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
12913         first label to see if it is a nonlocal label.
12914
12915 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
12916             Andrew Pinski  <pinskia@physics.uc.edu>
12917
12918         PR target/19491
12919         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
12920         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
12921
12922 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
12923
12924         * config/rs6000/rtems.h: Update copyright.
12925
12926 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
12927
12928         PR target/19548
12929         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
12930         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
12931         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
12932
12933 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12934
12935         PR c/18809
12936         * c-typeck.c (convert_arguments): Check for error_mark_node.
12937
12938 2005-01-21  Ian Lance Taylor  <ian@airs.com>
12939
12940         PR tree-optimization/13000
12941         * tree-inline.c: Include "tree-flow.h".
12942         (expand_call_inline): If warn_return_type, warn if non-void inline
12943         function falls through.
12944         * tree-cfg.c (execute_warn_function_return): Don't warn about
12945         control reaching end if TREE_NO_WARNING is set.  Set
12946         TREE_NO_WARNING.
12947         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
12948         has been lowered.
12949         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
12950         branch if we don't need one.
12951         * c-typeck.c: Include "tree-flow.h"
12952         (c_finish_bc_stmt): Don't add a goto if the current statement
12953         list doesn't fall through to the current point.
12954
12955 2005-01-21  Roger Sayle  <roger@eyesopen.com>
12956
12957         PR rtl-optimization/576
12958         * real.c (real_arithmetic): Change return type from void to bool
12959         to return an indication that the result may be inexact.
12960         * real.h (real_arithmeric): Update prototype.
12961         * fold-const.c (const_binop):  Don't constant fold floating
12962         point expressions when the user specifies -frounding-math and
12963         the result may depend upon the run-time rounding mode.
12964         (fold_convert_const_real_from_real): Clean-up.
12965         (fold_initializer): Ignore flag_rounding_math for initializers.
12966         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
12967         constant fold FP operations with flag_rounding_math if the
12968         result may depend upon the run-time rounding mode.
12969
12970 2005-01-21  Tom Tromey  <tromey@redhat.com>
12971
12972         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
12973
12974 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
12975
12976         * tree-cfg.c: Fix comment typos.
12977
12978 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
12979
12980         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
12981         around the call to rest_of_handle_branch_target_load_optimize.
12982
12983 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12984
12985         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
12986         (sparc64-*-openbsd*): Likewise.
12987         (sparclite-*-elf*): Include tm-dwarf2.h.
12988         (sparc86x-*-elf*): Likewise.
12989         (sparc64-*-elf*): Likewise.
12990         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
12991         (DBX_DEBUGGING_INFO): Likewise.
12992         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
12993         (PREFERRED_DEBUGGING_TYPE): Likewise.
12994         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
12995         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
12996         (PREFERRED_DEBUGGING_TYPE): Likewise.
12997         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
12998         (PREFERRED_DEBUGGING_TYPE): Likewise.
12999         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13000
13001 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13002
13003         PR target/18701
13004         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13005
13006 2005-01-20  Paul Brook  <paul@codesourcery.com>
13007
13008         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13009
13010 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13011
13012         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13013         label is first in a sequence of labels.
13014
13015         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13016
13017 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13018             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13019
13020         * doc/sourcebuild.texi (Test Directives): New.
13021
13022 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13023
13024         * real.c (real_floor): Don't leave the result uninitialized when
13025         mode is VOIDMode, but return the unrounded intermediate value.
13026         (real_ceil): Likewise.
13027
13028 2005-01-20  Paul Brook  <paul@codesourcery.com>
13029
13030         * config/arm/arm.md (insv): Use gen_int_mode.
13031
13032 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13033
13034         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13035         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13036         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13037         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13038         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13039
13040 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13041
13042         Fix PR debug/19124
13043         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13044         fbreg, so we have to assume we can't.
13045         (loc_descriptor_from_tree_1): Ditto.
13046         (containing_function_has_frame_base): New function.
13047         (add_location_or_const_value_attribute): Use it.
13048         Also try to generate a frame_base from a single element location
13049         list.
13050
13051 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13052
13053         PR tree-optimization/15349
13054         * timevar.def (TV_TREE_MERGE_PHI): New.
13055         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13056         PHI_WANTED.
13057         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13058         calls to tree_forwarder_block_p.
13059         (remove_forwarder_block_with_phi, merge_phi_nodes,
13060         gate_merge_phi, pass_merge_phi): New.
13061         * tree-optimize.c (init_tree_optimization_passes): Add
13062         pass_merge_phi.
13063         * tree-pass.h: Add an extern for pass_merge_phi;
13064
13065 2005-01-20  Richard Henderson  <rth@redhat.com>
13066
13067         PR target/19418
13068         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13069         (_mm_castps_pd, _mm_castps_si128): New.
13070         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13071
13072 2005-01-20  Richard Henderson  <rth@redhat.com>
13073
13074         PR target/19530
13075         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13076         __builtin_ia32_vec_init_v2si.
13077         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13078         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13079         (ix86_init_mmx_sse_builtins): Create it.
13080         (ix86_expand_builtin): Expand it.
13081         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13082         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13083         (vec_extractv2si_0, vec_extractv2si_1): New.
13084
13085 2005-01-20  Richard Henderson  <rth@redhat.com>
13086
13087         PR target/16533
13088         * config/i386/i386.c (ix86_expand_push): New.
13089         * config/i386/mmx.md (push<MMXMODE>1): New.
13090         * config/i386/sse.md (push<SSEMODE>1): New.
13091         * config/i386/i386-protos.h: Update.
13092
13093 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13094
13095         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13096         copyright.
13097
13098 2005-01-20  Richard Henderson  <rth@redhat.com>
13099
13100         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13101         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13102
13103 2005-01-19  Richard Henderson  <rth@redhat.com>
13104
13105         PR target/19350
13106         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13107         to V4SFmode in SSE1 fallback load path.
13108
13109 2005-01-19  Richard Henderson  <rth@redhat.com>
13110
13111         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
13112         in QImode expansion to ix86_expand_vector_set.
13113         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
13114
13115 2005-01-19  Richard Henderson  <rth@redhat.com>
13116
13117         PR target/19511
13118         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
13119         subclass of the input class.
13120         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
13121         Always true for cross-SSE1 classes.  Rationalize conditionals.
13122         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
13123         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
13124         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
13125         (movdi_2): Add MMX/SSE zeros.
13126         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
13127         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
13128         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13129         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
13130         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
13131         (zero_extendsidi2_rex64_1): Remove.
13132         (MOV0 peephole): Check GENERAL_REG_P.
13133
13134 2005-01-19  Richard Henderson  <rth@redhat.com>
13135
13136         PR target/19427
13137         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
13138         shufps elements.
13139         (ix86_expand_vector_extract): Likewise.
13140
13141 2005-01-19  Richard Henderson  <rth@redhat.com>
13142
13143         PR middle-end/19304
13144         * expr.c (emit_move_change_mode): New argument force; use
13145         simplify_gen_subreg if true.
13146         (emit_move_via_alt_mode): Merge into ...
13147         (emit_move_via_integer): ... here.
13148         (emit_move_ccmode): Use emit_move_change_mode directly.
13149
13150 2005-01-19  Richard Henderson  <rth@redhat.com>
13151
13152         PR target/19518
13153         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
13154         (alpha_preferred_reload_class): Handle CONST_VECTOR.
13155         (alpha_emit_set_const_1): Add no_output parameter; don't emit
13156         rtl if true.
13157         (alpha_emit_set_const): Likewise.  Make static.
13158         (alpha_emit_set_long_const): Make static.
13159         (alpha_extract_integer): Split out from alpha_expand_mov.
13160         (alpha_split_const_mov): Likewise.
13161         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
13162         (alpha_legitimate_constant_p): New.
13163         * config/alpha/alpha-protos.h: Update.
13164         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
13165         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
13166         * config/alpha/alpha.md (movsi): Add n alternative.
13167         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
13168         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
13169         (splitters for all of the above): Use alpha_split_const_mov.
13170         * config/alpha/predicates.md (non_add_const_operand): New.
13171         (non_zero_const_operand): New.
13172         (input_operand): Use alpha_legitimate_constant_p after reload.
13173
13174 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13175
13176         PR tree-optimization/19038
13177         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
13178         (add_candidate): Add ivs with increment in latch only if
13179         allow_ip_end_pos_p is true.
13180         (determine_iv_cost): Use empty_block_p.
13181
13182 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13183
13184         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13185         (compute_dominance_frontiers): Ditto.
13186
13187 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13188
13189         PR target/19529
13190         * config/sh/t-rtems: New.
13191         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13192
13193 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13194
13195         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13196         the offset of the selected field.
13197
13198 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
13199
13200         * tree-cfg.c (remove_forwarder_block): Fix the check to
13201         prevent a nonlocal label from appearing in the middle of a
13202         basic block.
13203
13204 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13205
13206         PR rtl-optimization/19462
13207         * reorg.c (find_end_label): Create return insn only if
13208         current_function_epilogue_delay_list is empty.
13209
13210 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13211
13212         * doc/passes.texi: Remove paragraph mentioning new-ra.
13213
13214 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
13215
13216         PR rtl-optimization/15139
13217         * combine.c: Include params.h.
13218         (count_rtxs): New function.
13219         (record_value_for_reg): If replace_rtx would replace at least
13220         2 occurrences of REG in VALUE and TEM is really large, replace REG with
13221         (clobber (const_int 0)) instead of TEM.
13222         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
13223         * params.h (MAX_LAST_VALUE_RTL): New.
13224         * Makefile.in (combine.o): Depend on $(PARAMS_H).
13225         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
13226
13227         PR c/17297
13228         * c-typeck.c (digest_init): Only call build_vector if all constructor
13229         elements are *_CST nodes.
13230         * gimplify.c (gimplify_init_constructor): Likewise.
13231
13232         PR middle-end/19164
13233         * c-typeck.c (digest_init): Only call build_vector if inside_init
13234         is a CONSTRUCTOR.
13235
13236 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13237
13238         * toplev.c (init_asm_output): Remove dead #ifdef.
13239
13240 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13241
13242         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13243
13244 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13245
13246         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
13247         accessing DECL_FUNCTION_CODE.
13248         * dojump.c (do_jump): Likewise.
13249         * gimplify.c (gimplify_call_expr): Likewise.
13250         * predict.c (expr_expected_value): Likewise.
13251         (strip_builtin_expect): Likewise.
13252         * tree-inline.c (estimate_num_insns_1): Likewise.
13253         * tree-ssa-loop-im.c (stmt_cost): Likewise
13254         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
13255         (tree_expr_nonnegative_p): Likewise.
13256
13257 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13258
13259         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
13260         variant of the load_pcrel_sym pattern.
13261         * config/sparc/sparc.md (P macro): Move to the top.
13262         (load_pcrel_sym): Macroize using P.
13263         (save_register_window): Likewise.
13264
13265 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
13266
13267         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
13268         ("sordered"): Same.
13269
13270 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
13271
13272         PR C/19472
13273         * c-typeck.c (build_asm_expr): Strip nops off
13274         input memory operands.
13275
13276 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
13277
13278         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
13279         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
13280         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
13281         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
13282
13283 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
13284
13285         PR target/19379
13286         * config/i386/i386.c (override_options): If the 80387 is disabled,
13287         then do not return FP values using FP registers.
13288
13289 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
13290
13291         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
13292         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
13293         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
13294         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
13295         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
13296         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
13297         output.h, postreload-gcse.c, postreload.c, recog.c,
13298         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
13299         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
13300         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
13301         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
13302         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
13303         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
13304         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
13305         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
13306
13307         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
13308         config/alpha/alpha.c, config/arm/vfp.md,
13309         config/i386/emmintrin.h, config/i386/i386-modes.def,
13310         config/i386/i386-protos.h, config/i386/i386.h,
13311         config/i386/pmmintrin.h, config/i386/ppro.md,
13312         config/i386/predicates.md, config/i386/xmmintrin.h,
13313         config/i860/i860.c, config/ia64/ia64-modes.def,
13314         config/ia64/ia64-protos.h, config/ia64/ia64.h,
13315         config/ia64/ia64.md, config/ia64/itanium1.md,
13316         config/ia64/itanium2.md, config/ia64/predicates.md,
13317         config/iq2000/iq2000.h, config/mips/linux64.h,
13318         config/rs6000/aix41.h, config/rs6000/aix43.h,
13319         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
13320         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
13321         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
13322         config/sparc/linux64.h, config/sparc/litecoff.h,
13323         config/sparc/sp64-elf.h, config/sparc/sparc.c,
13324         config/sparc/sparc.h, config/sparc/sparc.md,
13325         config/sparc/sysv4-only.h: Update copyright.
13326
13327 2005-01-18  Richard Henderson  <rth@redhat.com>
13328
13329         PR target/19496
13330         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
13331
13332 2005-01-18  Marc Espie  <espie@openbsd.org>
13333         * config/i386/openbsdelf.h: Typo.
13334
13335 2005-01-18  Richard Henderson  <rth@redhat.com>
13336
13337         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
13338         special case for sse.
13339         * config/i386/predicates.md (sse_comparison_operator): Likewise.
13340
13341 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
13342
13343         * tree-inline.c (estimate_num_insns_1): Added cases for
13344         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
13345
13346 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13347
13348         PR rtl-optimization/19296
13349         * combine.c (simplify_comparison): Rewrite the condition under
13350         which a non-paradoxical SUBREG of a PLUS can be lifted when
13351         compared against a constant.
13352
13353 2005-01-18  Andi Kleen <ak@muc.de>
13354
13355         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
13356         * c.opt (-Wpointer-sign): Add.
13357         * doc/invoke.texi: (-Wpointer-sign): Add.
13358
13359 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13360
13361         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
13362         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
13363         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
13364         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
13365         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
13366         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
13367         for TARGET_MIX_SSE_I387.
13368         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
13369         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
13370         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
13371         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
13372         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
13373         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
13374         TARGET_MIX_SSE_I387.
13375         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
13376         from expander.
13377
13378 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13379
13380         PR target/19424
13381         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
13382         Add movaps alternative for xmm reg->reg move.
13383
13384 2005-01-17  Jeff Law  <law@redhat.com>
13385
13386         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
13387         at the end of the main DOM loop rather than just before DOM exits.
13388
13389 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
13390
13391         PR tree-optimization/19121
13392         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
13393         adding aliases to a name tag, also add them to the pointer's
13394         type tag.
13395         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
13396         sensitive alias info at all.  Only check that the two pointers
13397         have compatible pointed-to sets.
13398         * tree-ssa.c (verify_name_tags): Verify that the alias set of
13399         a pointer's type tag is a superset of the alias set of the
13400         pointer's name tag.
13401
13402 2005-01-17  James E Wilson  <wilson@specifixinc.com>
13403
13404         PR target/19357
13405         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
13406         comment to document why.
13407
13408 2005-01-17  Richard Henderson  <rth@redhat.com>
13409
13410         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
13411         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
13412         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
13413         sse2_vmsminv2df3_finite): New.
13414         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
13415         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
13416         Force op1 into register.
13417
13418 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
13419
13420         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
13421         bubblestrap from always rebuilding build directory.
13422
13423 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
13424
13425         * config/s390/s390.md ("*clc"): Remove incorrect '='.
13426         ("*cmpmem_short"): Likewise.
13427
13428 2005-01-17  Steven Bosscher  <stevenb@suse.de>
13429
13430         * basic-block.h: Document BB_* flags.
13431         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
13432         use an sbitmap instead.
13433         * sched-rgn.c (compute_trg_info): Likewise.
13434
13435 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
13436
13437         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
13438         redundant target_cpu_default and extra_parts lines.  Use the default
13439         "from-abi" ISA.
13440         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
13441         (SUBTARGET_EXTRA_SPECS): Delete.
13442         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
13443         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
13444         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
13445         and "n32" for -mabi=n32.
13446
13447 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13448
13449         PR c/5675
13450         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
13451         fold constant variables into initial values.
13452
13453 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13454
13455         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
13456
13457         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
13458         through the statements backward.
13459
13460 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13461
13462         PR middle-end/13127:
13463         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
13464         a variable set to the return value of the inlined function.
13465
13466 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
13467
13468         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
13469         when modes are tieable.
13470
13471 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
13472
13473         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
13474         of pthread_create to find out if threads are enabled.
13475         * gthr-posix95.h (__gthread_active_p): Likewise.
13476
13477 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
13478
13479         * common.opt (-fnew-ra): Remove.
13480         * ra*.*: Remove.
13481         * toplev.h (flag_new_regalloc): Remove.
13482         * Makefile.in (ra*.*): Don't mention.
13483         * passes.c (rest_of_handle_new_regalloc): Remove.
13484         (rest_of_handle_combine, rest_of_compilation): Always consider
13485         flag_new_regalloc as false.
13486         * doc/invoke.texi: Don't document -fnew-ra.
13487
13488 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
13489
13490         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
13491         last parameter to reg_scan.
13492         * loop.c (loop_optimize): Likewise.
13493         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
13494         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
13495         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
13496         rest_of_handle_gcse, rest_of_handle_loop_optimize,
13497         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
13498         * regclass.c (reg_scan): Likewise, for the declaration.
13499         * rtl.h (reg_scan): Likewise, for the prototype.
13500
13501 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13502
13503         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
13504         mark_dfs_back_edges.
13505
13506 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
13507
13508         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
13509         (compute_avail): Uses don't go in tmp_gen.
13510
13511 2005-01-16  Steven Bosscher  <stevenb@suse.de>
13512
13513         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
13514         loop to look for a free slot in a page entry.
13515
13516 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13517
13518         PR target/16304
13519         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
13520         * toplev.c (compile_file): Call process_pending_assemble_output_defs
13521         just before targetm.asm_out.file_end.
13522         * tree.h (process_pending_assemble_output_defs): Declare.
13523         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
13524         New functions.
13525         (assemble_alias): Defer generation of assembly code for defines when
13526         TARGET_DEFERRED_OUTPUT_DEFS is true.
13527         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13528         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13529         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
13530
13531 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13532
13533         PR target/19336
13534         * pa.c (pa_scalar_mode_supported_p): New function.
13535         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13536         * pa.h (MIN_UNITS_PER_WORD): Add comment.
13537
13538         * pa-protos.h (prefetch_operand): Delete.
13539         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
13540         * pa.c (prefetch_operand): Delete.
13541         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
13542         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
13543         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
13544         and prefetch_nocc_operand.
13545         * pa.md (prefetch): Rework to avoid reload problems handling short
13546         displacements when a cache control completer needs to be provided.
13547         (prefetch_32, prefetch_64): Delete.
13548         (prefetch_cc, prefetch_nocc): New patterns.
13549
13550 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
13551
13552         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
13553
13554 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13555
13556         PR ada/19388
13557         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
13558         exceeds maximum alignment for global common data.
13559         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
13560         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
13561
13562 2004-01-15  Roger Sayle  <roger@eyesopen.com>
13563
13564         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
13565
13566 2004-01-15  Roger Sayle  <roger@eyesopen.com>
13567
13568         * harg-reg-set.h (reg_class_names): Prototype global array.
13569         * regclass.c (reg_class_names): Declare here and initialize to
13570         REG_CLASS_NAMES.
13571         (dump_regclass): Remove local declaration of reg_class_names.
13572         (regclass): Likewise.
13573         * cfg.c (dump_flow_info): Likewise.
13574         * ra-debug.c (reg_class_names): Likewise.
13575         * regrename.c (reg_class_names): Likewise.
13576         * reload.c (reg_class_names): Likewise.
13577         * reload1.c (spill_failure): Likewise.
13578         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
13579
13580 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
13581
13582         * config/s390/s390.md ("reload_outti"): Remove predicate for
13583         output operand.  Abort if operand is not a MEM.
13584         ("reload_outdi", "reload_outdf"): Likewise.
13585
13586 2005-01-15  Marc Espie  <espie@openbsd.org>
13587
13588         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
13589         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
13590         * config/openbsd.h:  Fix C++ includes for native configurations.
13591         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
13592         Add trampoline support.
13593         * config/i386/openbsdelf.h: New.
13594
13595 2005-01-15  Marc Espie  <espie@openbsd.org>
13596
13597         * collect2.c (main): Explicitly parse -dynamic-linker option.
13598
13599 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
13600
13601         PR tree-optimization/19060
13602         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
13603         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
13604         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
13605         and handle extract_range_from_cond returning false.
13606         * fold-const.c (fold): Optimize comparisons with min/max even for
13607         width > HOST_BITS_PER_WIDE_INT.
13608
13609 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
13610
13611         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
13612         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
13613         Remove little endian multilib variants.
13614         Add mips32 multilib variant.
13615
13616 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
13617
13618         * explow.c (copy_all_reg, stabilize): Remove.
13619         * expr.h: Remove the corresponding prototypes.
13620
13621         * rtlanal.c (regs_set_between_p): Remove.
13622         * rtl.h: Remove the corresponding prototype.
13623
13624 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
13625
13626         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
13627         to rs6000_nonimmediate_operand.
13628         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
13629         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
13630         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
13631         rs6000_nonimmediate_operand.
13632         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
13633         rs6000_nonimmediate_operand.
13634
13635 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
13636
13637         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
13638
13639 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13640
13641         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
13642         on e500v2.
13643         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
13644         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
13645
13646         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
13647         (rs6k_nonimmediate_operand): New.
13648         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
13649         correctly.
13650         (legitimate_lo_sum_address_p): Same.
13651         (rs6000_legitimize_address): Same.
13652         (rs6000_legitimize_reload_address): Same.
13653         (rs6000_legitimate_address): Same.
13654         (spe_build_register_parallel): Pass DF and DC modes in a DI
13655         register.
13656
13657         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
13658         to rs6k_nonimmediate_operand.
13659
13660         * config/rs6000/spe.md ("*frob_df_di"): New.
13661         ("*frob_di_df"): New.
13662         ("*frob_di_df_2"): New.
13663         ("*mov_sidf_e500_subreg0"): New.
13664         ("*mov_sidf_e500_subreg4"): New.
13665         ("*movdf_e500_double"): Change predicate to
13666         rs6k_nonimmediate_operand.
13667
13668 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13669
13670         * postreload.c (move2add_note_store): Only call
13671         trunc_int_for_mode on scalar integers.
13672
13673 2005-01-14  Steven Bosscher  <stevenb@suse.de>
13674
13675         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
13676         replace BB_VISITED uses.
13677         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
13678         (propagate_necessity): Check the bitmap instead of BB_VISITED.
13679         (tree_dce_done): Free visited_control_parents.
13680         (perform_tree_ssa_dce): Allocate and clear it.
13681         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
13682         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
13683         instead of BB_VISITED.
13684
13685 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
13686
13687         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
13688         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
13689         Remove unused prototypes.
13690
13691 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13692
13693         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
13694         64-bit register usage.
13695         (spe_func_has_64bit_regs_p): Add FIXME note.
13696
13697 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13698
13699         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
13700         flag_finite_math_only with flag_unsafe_math_optimizations.
13701
13702 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
13703
13704         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
13705         end-of-stack check.
13706         (__tpf_eh_return): Copy TPF private stack area from the module
13707         boundary stack frame.  Add check for when module addresses are
13708         equal, but no stub address is found.
13709
13710 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
13711
13712         PR target/7525
13713         * arm.h (struct machine_function): Add call_via field.
13714         (thumb_call_via_label): Declare.
13715         * arm.c (thumb_call_via_label): New variable.
13716         (thumb_call_reg_needed): New variable.
13717         (arm_output_function_epilogue): For Thumb code, output any per-function
13718         call-indirect trampolines.
13719         (thumb_call_via_reg): New function.
13720         (arm_file_end): New function.
13721         (TARGET_ASM_FILE_END): Call arm_file_end.
13722         (aof_file_end): Likewise.
13723         * arm-protos.h (thumb_call_via_reg): Declare.
13724         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
13725         thumb_call_via_reg in normal case.
13726
13727 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
13728
13729         PR middle-end/19084
13730         PR rtl-optimization/19348
13731         * recog.c (peephole2_optimize): Do global life update if some peephole
13732         decides it doesn't need at least one of its inputs and that change
13733         influences liveness at the start of the basic block.
13734
13735         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
13736         arguments instead of 1.
13737
13738 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
13739
13740         PR middle-end/18820
13741         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
13742         zero for nested functions needing a static chain or functions
13743         with a non-constant address.
13744
13745 2005-01-13  Roger Sayle  <roger@eyesopen.com>
13746
13747         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
13748         (and (sign_extend X) C) into (zero_extend (and X C)).
13749
13750 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
13751
13752         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
13753
13754 2005-01-13  Richard Henderson  <rth@redhat.com>
13755
13756         PR target/19009
13757         PR target/19250
13758         PR target/19252
13759         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
13760         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
13761         not just TARGET_SSE.
13762         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
13763         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
13764         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
13765         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
13766         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
13767         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
13768         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
13769         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
13770         (movdicc_c_rex64): Rename with '*'.
13771         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
13772         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
13773         (movsfcc_1_387): Rename from movsfcc_1.
13774         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
13775         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
13776         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
13777         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
13778         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
13779         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
13780         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
13781         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
13782         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
13783         sse_movdfcc_const0_4): Remove.
13784         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
13785         recognize min/max early.  Update for changed sse cmove patterns.
13786         (ix86_split_sse_movcc): New.
13787         * config/i386/i386-protos.h: Update.
13788
13789 2005-01-13  Steven Bosscher  <stevenb@suse.de>
13790
13791         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
13792         (fix_stmt_v_may_defs): Likewise.
13793
13794 2005-01-13  Richard Henderson  <rth@redhat.com>
13795
13796         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
13797         for converting the mask.
13798
13799 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
13800
13801         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
13802         definition to 600.
13803
13804 2005-01-13  Richard Henderson  <rth@redhat.com>
13805
13806         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
13807         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
13808         IX86_BUILTIN_MOVDQ2Q): Remove.
13809         (IX86_BUILTIN_VEC_EXT_V4SI): New.
13810         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
13811         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
13812         shuffling.
13813         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
13814         (sse2_pextrw): Fix immediate constraint.
13815         (sse2_loadq, sse2_loadq_rex64): Remove.
13816         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
13817         Use __builtin_ia32_vec_ext_<size>.
13818         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
13819
13820 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
13821
13822         * function.c (assign_parm_setup_block): Look inside original
13823         entry_parm when inspecting PARALLEL.
13824
13825 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
13826             Joel Sherrill  <joel@oarcorp.com>
13827
13828         PR target/19399
13829         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
13830         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
13831         rtems_gxx_recursive_mutex_init.
13832         (__gthread_recursive_mutex_lock): New function.
13833         (__gthread_recursive_mutex_trylock): Likewise.
13834         (__gthread_recursive_mutex_unlock): Likewise.
13835
13836 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
13837
13838         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
13839
13840 2005-01-13  Jan Beulich  <jbeulich@novell.com>
13841
13842         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
13843         (ashrti3_internal): Indicate output is early clobber. Generate result
13844         into output rather than first input. Use move for low word of output
13845         if shift count is exactly 64.
13846         (lshrti3_internal): Likewise.
13847
13848 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
13849
13850         PR target/18329
13851         PR target/18330
13852         * reload1.c (delete_output_reload): Don't delete an output reload
13853         if the pseudo lives longer than a single basic block.  Adjust and
13854         improve wording of comment.
13855
13856 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
13857
13858         PR target/19334
13859         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
13860         of TYPE_SIZE where we mean the number of bytes.
13861
13862 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
13863
13864         * function.c (assign_parm_setup_block): Relax condition on
13865         multi-register optimization.
13866
13867 2005-01-12  Nick Clifton  <nickc@redhat.com>
13868
13869         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
13870         an "in_delay_slot" attribute of "no" to prevent them being used in
13871         delay slots.  This is forbidden because they might generate
13872         exceptions.
13873
13874 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
13875
13876         PR target/19389
13877         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
13878         with r->Y and Y->r.
13879
13880 2005-01-12  Nick Clifton  <nickc@redhat.com>
13881
13882         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
13883         passed on to GAS) but do not define, as GAS no longer supports or
13884         needs the -m2000 option.
13885
13886 2005-01-11  Roger Sayle  <roger@eyesopen.com>
13887
13888         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
13889         type as args of unprototyped builtins aren't automatically promoted.
13890         (fold_builtin_abs): Likewise.
13891
13892 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13893
13894         * Makefile.in: Set a `build-warn' variable.
13895
13896 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
13897
13898         PR tree-optimization/17949
13899         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
13900         (find_interesting_uses_address): Use it.
13901
13902 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
13903
13904         * regrename.c (kill_value): Handle subreg's that won't simplify.
13905
13906 2005-01-11  Richard Henderson  <rth@redhat.com>
13907
13908         PR target/13366
13909         * config/i386/i386.h (enum ix86_builtins): Move ...
13910         * config/i386/i386.c: ... here.
13911         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
13912         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
13913         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
13914         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
13915         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
13916         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
13917         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
13918         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
13919         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
13920         IX86_BUILTIN_LOADDDUP): Remove.
13921         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
13922         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
13923         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
13924         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
13925         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
13926         (ix86_init_builtins): Make static.
13927         (ix86_init_mmx_sse_builtins): Update for changed builtins.
13928         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
13929         if all the modes match.  Otherwise, fake it.
13930         (get_element_number, ix86_expand_vec_init_builtin,
13931         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
13932         (ix86_expand_builtin): Make static.  Update for changed builtins.
13933         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
13934         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
13935         (ix86_expand_vector_init_duplicate): New.
13936         (ix86_expand_vector_init_low_nonzero): New.
13937         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
13938         Split out from ix86_expand_vector_init; handle integer modes.
13939         (ix86_expand_vector_init): Use them.
13940         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
13941         * config/i386/i386-protos.h: Update.
13942         * config/i386/predicates.md (reg_or_0_operand): New.
13943         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
13944         (movv2sf_internal): Likewise.  And a splitter to match them all.
13945         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
13946         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
13947         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
13948         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
13949         (mmx_pinsrw): Fix operand ordering.
13950         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
13951         rather than sse_loadss expander.
13952         (movv2df splitter): Similarly.
13953         (sse_loadss, sse_loadlss): Remove.
13954         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
13955         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
13956         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
13957         (sse3_movddup): Rename with '*'.
13958         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
13959         (sse2_loadsd): Remove.
13960         (vec_dupv2df_sse3): Rename from sse3_loadddup.
13961         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
13962         (sse2_pinsrw): Fix argument ordering.
13963         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
13964         (sse2_stored): Remove 'r' destination.
13965         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
13966         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
13967         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
13968         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
13969         vec_extractv16qi, vec_initv16qi): New.
13970
13971         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
13972         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
13973         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
13974         constructor form.
13975         (_mm_load_pd, _mm_store_pd): Use plain dereference.
13976         (_mm_load_si128, _mm_store_si128): Likewise.
13977         (_mm_load1_pd): Use _mm_set1_pd.
13978         (_mm_load_sd): Use _mm_set_sd.
13979         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
13980         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
13981         (_mm_set_epi64): Use _mm_set_epi64x.
13982         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
13983         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
13984         _mm_setr_epi8): Use _mm_set_foo form.
13985         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
13986         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
13987         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
13988         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
13989         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
13990         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
13991         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
13992         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
13993         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
13994         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
13995         (_mm_movedup_pd): Use _mm_shuffle_pd.
13996         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
13997         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
13998         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
13999         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14000         Use _mm_setzero_ps.
14001         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14002         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14003         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14004         (_mm_store_ps): Use raw dereference.
14005         (_mm_store1_ps): Use _mm_storeu_ps.
14006         (_mm_storer_ps): Use _mm_store_ps.
14007         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14008         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14009
14010 2005-01-11  Stan Shebs  <shebs@apple.com>
14011
14012         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14013         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14014
14015 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14016
14017         PR target/18761
14018         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14019         Skip all DECLs except for FIELD_DECLs.
14020
14021 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14022
14023         * config/s390/s390.c (override_options): Return error if
14024         -mbackchain, -mpacked-stack and -mhard-float are used together.
14025         (s390_va_start): Remove the backchain && packed-stack special case.
14026         (s390_gimplify_va_arg): Likewise.
14027         * doc/invoke.texi: Remove the ABI incompatibility note.
14028
14029 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14030
14031         * config/s390/s390.c (struct s390_frame_layout): Remove
14032         save_backchain_p.
14033         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14034         save_backchain_p with TARGET_BACKCHAIN.
14035
14036 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14037
14038         PR target/18916
14039         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14040         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14041         * function.c (locate_and_pad_parm): Set new field.
14042         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14043         Tweak where_pad test to include "none".  Always set mem align for
14044         stack_parm.
14045         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14046         not sufficient for type.
14047         (assign_parm_setup_block): If stack_parm is zero on entry, always
14048         make a new stack local.  Block move old stack parm if necessary
14049         to new aligned stack local.
14050         (assign_parm_setup_stack): Use a block move to handle
14051         potentially misaligned entry_parm.
14052         (assign_parms_unsplit_complex): Specify required alignment when
14053         creating stack local.
14054         * calls.c (compute_argument_addresses): Override alignment of stack
14055         arg calculated from its type with the alignment given by
14056         FUNCTION_ARG_BOUNDARY.
14057         (store_one_arg): Likewise.
14058
14059 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14060
14061         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14062         Change respective itanium_class attribute to ialu.
14063         (shladdp4_internal): New.
14064         * config/ia64/predicates.md (shladd_log2_operand): New.
14065
14066 2005-01-11  Richard Henderson  <rth@redhat.com>
14067
14068         * expr.c (store_constructor): Use rtvec_alloc instead of
14069         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14070
14071 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14072
14073         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14074
14075 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14076
14077         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14078         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14079         (TARGET_RWRELOC): Define.
14080         (ia64_rwreloc_section_type_flags): Delete.
14081         (ia64_section_type_flags): New function.
14082         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14083         (TARGET_RWRELOC): Define.
14084
14085 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14086
14087         PR target/18987
14088         * config/ia64/ia64.c (process_set): For alloc insn, only call
14089         process_epilogue is !frame_pointer_needed.
14090
14091 2005-01-10  Roger Sayle  <roger@eyesopen.com>
14092
14093         PR c++/19355
14094         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
14095         unary operator and can't be treated as a binary/comparison operator.
14096
14097 2005-01-10  Richard Henderson  <rth@redhat.com>
14098
14099         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
14100         (ix86_return_in_memory): Likewise.
14101         (function_arg_advance):  Likewise.  Mirror structure in function_arg
14102         for choosing register to advance.
14103
14104 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14105
14106         * tree-vectorizer.c, tree.def: Fix comment typos.
14107
14108 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
14109
14110         * config/s390/s390.c (struct processor_costs): 4 new fields:
14111         ddbr, ddr, debr, der.
14112         (s390_rtx_costs): More precise handling of divide instructions.
14113
14114 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14115
14116         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14117
14118 2005-01-10  Jan Beulich  <jbeulich@novell.com>
14119
14120         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
14121         names resulting from -ffunction-sections/-fdata-sections and linkonce
14122         ones.
14123         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
14124         based on the section name. Rearrange the section name comparison logic
14125         slightly so that each section name is compared against at most once.
14126
14127 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14128
14129         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14130         targets for which -fPIC reduces limitations on the GOT size.
14131
14132 2005-01-09  Falk Hueffner  <falk@debian.org>
14133
14134         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14135         X/C1 cmpop C2.
14136
14137 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
14138
14139         PR target/18720
14140         * collect2.c (main): Set aixrtl_flag for -brtl option.
14141         (resolve_lib_name): Search for .so file extension before .a
14142         if aixrtl_flag set.
14143
14144 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14145
14146         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14147         (vect_analyze_data_refs_alignment): Add dump prints.
14148
14149 2005-01-09  Ira Rosen  <irar@il.ibm.com>
14150
14151         * tree-vectorizer.c (vect_analyze_offset_expr): Use
14152         expr_invariant_in_loop_p.
14153         Initialize outputs first thing in the function.
14154         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
14155         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
14156         (vect_analyze_pointer_ref_access): Check that the initial condition of
14157         the access function is loop invariant.
14158
14159 2005-01-09  Richard Henderson  <rth@redhat.com>
14160
14161         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
14162         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
14163         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
14164         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
14165         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
14166         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
14167         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
14168         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
14169         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
14170         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
14171         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
14172         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
14173         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
14174         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
14175         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
14176         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
14177         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
14178         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
14179         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
14180         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
14181         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
14182         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
14183         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
14184         mmx_ prefix.
14185         (mmx_clrdi, pavgusb): Remove.
14186         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
14187         with leading sse_ prefix.
14188         * config/i386/sse.md: Receive them.
14189         * config/i386/mmx.md: New file.
14190         (MMXMODE12, MMXMODE24, mmxvecsize): New.
14191         (subrv2sf3): Turn into expander for normal subtraction.
14192         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
14193         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
14194         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
14195         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
14196         commutative; use ix86_binary_operator_ok.
14197         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
14198         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
14199         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
14200         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
14201         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
14202         Macroize from existing patterns; use ix86_binary_operator_ok.
14203         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
14204         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14205         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
14206         with vec_select+vec_concat.
14207         (mmx_pshufw, mmx_pshufw_1): Likewise.
14208         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
14209         (mmx_uavgv4hi3): Model correctly.
14210         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
14211         _mm_xor_si64): Remove casts.
14212
14213 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
14214
14215         PR tree-optimization/19224
14216         * tree-scalar-evolution.c (get_instantiated_value,
14217         set_instantiated_value): New functions.
14218         (instantiate_parameters_1): Cache the results.
14219         (instantiate_parameters, resolve_mixers): Initialize and free
14220         the cache.
14221
14222 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14223
14224         * config/i386/i386.md (addhi_4): Correct reference in comment.
14225         (addqi_4): Same.
14226
14227 2005-01-08  Richard Henderson  <rth@redhat.com>
14228
14229         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
14230         (_mm_cvtsi128_si64x): Likewise.
14231         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
14232         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
14233         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
14234         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
14235         * config/i386/i386-protos.h: Update.
14236         * config/i386/i386.c (print_operand): Add 'H'.
14237         (ix86_fixup_binary_operands): Split out from ...
14238         (ix86_expand_binary_operator): ... here.
14239         (ix86_fixup_binary_operands_no_copy): New.
14240         (ix86_expand_fp_absneg_operator): Handle vector mode results.
14241         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
14242         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
14243         (safe_vector_operand): Use CONST0_RTX.
14244         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
14245         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
14246         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
14247         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
14248         special cases.
14249         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
14250         (IX86_BUILTIN_CMPNGESS): New.
14251         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
14252         (attr type): Add sselog1.
14253         (attr unit, attr memory): Handle it.
14254         (movti, movti_internal, movti_rex64): Move near other integer moves.
14255         (movtf, movtf_internal): Move near other fp moves.
14256         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
14257         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
14258         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
14259         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
14260         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
14261         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
14262         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
14263         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
14264         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
14265         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
14266         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
14267         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
14268         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
14269         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
14270         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
14271         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
14272         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
14273         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
14274         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
14275         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
14276         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
14277         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
14278         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
14279         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
14280         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
14281         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
14282         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
14283         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
14284         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
14285         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
14286         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
14287         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
14288         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
14289         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
14290         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
14291         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
14292         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
14293         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
14294         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
14295         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
14296         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
14297         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
14298         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
14299         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
14300         same time.
14301         (SSEPUSH, push<SSEPUSH>): Remove.
14302         (MMXPUSH, push<MMXPUSH>): Remove.
14303         (sse_movaps, sse_movaps_1, sse_movups): Remove.
14304         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
14305         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
14306         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
14307         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
14308         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
14309         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
14310         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
14311         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
14312         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
14313         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
14314         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
14315         (ppro_sse_log_V4SF): Handle sselog1.
14316         * config/i386/predicates.md (const_0_to_1_operand): New.
14317         (const_0_to_255_mul_8_operand): New.
14318         (const_1_to_31_operand): Rename from const_int_1_31_operand.
14319         (const_2_to_3_operand, const_4_to_7_operand): New.
14320         * config/i386/sse.md: New file.
14321         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
14322         (sse_movups): Rename from sse_movups_1.
14323         (sse_loadlss): Rename from sse_loadss_1.
14324         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
14325         from the name.
14326         (negv4sf2): Use ix86_expand_fp_absneg_operator.
14327         (absv4sf2, negv2df, absv2df): New.
14328         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
14329         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
14330         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
14331         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
14332         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
14333         (sse3_addsubv4sf3): Model correctly.
14334         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
14335         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
14336         (sse_movhlps): Model with vec_select+vec_concat.
14337         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
14338         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
14339         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
14340         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
14341         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
14342         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
14343         sse2_pshufhw_1): Likewise.
14344         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
14345         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
14346         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
14347         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
14348         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
14349         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
14350         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
14351         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
14352         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
14353         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
14354         sminv8hi3): Mark commutative
14355         operands.  Use ix86_binary_operator_ok.
14356         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
14357         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
14358         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
14359         sse2_punpcklqdq): Allow operand2 in memory.
14360         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
14361         sse2_movsd): Add memory alternatives.
14362         (sse_storelps): Turn expander into an insn; split after reload.
14363         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
14364         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
14365
14366 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14367
14368         * configure.ac (DWARF-2 debug_line): Use objdump.
14369         * configure: Regenerate.
14370
14371 2005-01-08  Jeff Law  <law@redhat.com>
14372             Diego Novillo  <dnovillo@redhat.com>
14373
14374         PR tree-optimization/18241
14375         * tree-nrv.c (tree_nrv): Ignore volatile return values.
14376         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
14377         statements with volatile operands.
14378         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
14379         operands after marking a statement with has_volatile_ops.
14380
14381 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14382
14383         * tree.c (int_fits_type_p): Always honor integer constant
14384         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
14385
14386 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14387
14388         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
14389         the latent bug in rtl_delete_block has been resolved.
14390
14391 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14392
14393         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
14394         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
14395
14396 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14397
14398         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
14399         library as @multilib_dir@/$(SHLIB_SONAME).
14400
14401 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14402
14403         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
14404         * configure: Regenerate.
14405
14406 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14407
14408         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
14409         TYPE_MODE.
14410
14411 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
14412
14413         PR target/13674
14414         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
14415         Convert non-word aligned offset address using ld/std into
14416         indirect address.
14417
14418 2005-01-07  Richard Henderson  <rth@redhat.com>
14419
14420         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
14421
14422 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
14423
14424         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
14425
14426 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14427
14428         PR tree-optimization/19283
14429         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
14430         is not shorter than the original type.
14431
14432         PR rtl-optimization/19012
14433         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
14434
14435         PR rtl-optimization/18861
14436         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
14437         (FULL_STATE): Define.
14438         (mark_tablejump_edge): New function.
14439         (purge_dead_tablejump_edges): New function.
14440         (find_bb_boundaries): Use it.
14441
14442         PR tree-optimization/18828
14443         * builtins.c (expand_builtin_next_arg): Remove argument and all
14444         the argument checking.
14445         (expand_builtin): Adjust caller.
14446         (expand_builtin_va_start): Likewise.  Remove error for too many
14447         arguments.
14448         (fold_builtin_next_arg): Issue error for too many arguments.
14449         After checking arguments, replace them with magic arguments that
14450         prevent further checking of the args.
14451
14452 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14453
14454         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
14455
14456 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14457
14458         PR target/6077
14459         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
14460         and %{.S:...} (and their negative variants) to test whether the
14461         input file is assembler or pre-processed-assembler independent of
14462         the actual filename extension.
14463
14464 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14465
14466         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
14467         of sign or zero extended values.
14468
14469 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
14470
14471         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
14472         for IBM long double format correctly.
14473
14474 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
14475
14476         Fix PR tree-optimization/18792
14477
14478         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
14479         to first_loop_depth, and use loop depth instead of loop number.
14480         (build_classic_dir_vector): Ditto.
14481         (compute_data_dependences_for_loop): Use depth, not loop number.
14482         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
14483         number. Pass in loops, instead of loop numbers.
14484         (gather_interchange_stats): Ditto.
14485         (linear_transform_loops): Ditto.
14486
14487 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
14488
14489         PR rtl-opt/13299
14490         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
14491         biv_fits_mode_p, extension_within_bounds_p): New functions.
14492         (check_ext_dependent_givs): Use them.
14493
14494 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14495
14496         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
14497         more than one barrier, in which case we should delete them all.
14498
14499 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
14500
14501         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
14502
14503 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
14504
14505         Fix PR middle-end/19286
14506         Fix PR debug/19267
14507         * dwarf2out.c (gen_subprogram_die): If we've already tried to
14508         output this subprogram, simply ignore this attempt to do it again.
14509         (add_abstract_origin_attribute): Don't abort trying to add the abstract
14510         origin attribute if it's not possible.
14511         (gen_block_die): Don't ignore subblocks of "unused" blocks.
14512         (decls_for_scope): Ditto.
14513         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
14514         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
14515
14516 2005-01-05  Richard Henderson  <rth@redhat.com>
14517
14518         PR target/11327
14519         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
14520         (bdesc_2arg): Use it.
14521         (ix86_expand_binop_builtin): Force operands into registers
14522         when optimizing.
14523         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
14524         ix86_expand_sse_compare, ix86_expand_sse_comi,
14525         ix86_expand_builtin): Likewise.
14526
14527 2005-01-05  Richard Henderson  <rth@redhat.com>
14528
14529         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
14530         and VEC_SELECT.
14531         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
14532         (mulv4hi3): Set itanium_class mmmul.
14533         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
14534         (fpack): Rename from fpack_sfsf.
14535
14536 2005-01-05  Richard Henderson  <rth@redhat.com>
14537
14538         PR rtl-opt/10692
14539         * reload1.c (do_input_reload): Restrict the optimization deleteing
14540         a previous output reload to RELOAD_FOR_INPUT.
14541
14542 2005-01-05  Steven Bosscher  <stevenb@suse.de>
14543
14544         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
14545         comment that we fall through after case.
14546         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
14547         (distribute_links): Likewise.
14548         * cse.c (cse_insn): Likewise.
14549         * cselib.c (cselib_invalidate_mem): Likewise.
14550         * df.c: Update comments at the top of the file.
14551         (read_modify_subreg_p): Update comments here too.
14552         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
14553         * flow.c (mark_set_1): Likewise.
14554         (mark_used_regs): Likewise.
14555         * gcse.c (mems_conflict_for_gcse_p): Likewise.
14556         (canon_list_insert): Likewise.
14557         (mark_set): Likewise.
14558         (try_replace_reg): Likewise.
14559         (store_killed_in_insn): Likewise.
14560         * loop.c (count_one_set): Likewise.
14561         (basic_induction_var): Likewise.
14562         * postreload-gcse.c (find_mem_conflicts): Likewise.
14563         * postreload.c (reload_combine_note_store): Likewise.
14564         (move2add_note_store): Likewise.
14565         * reload.c (find_equiv_reg): Likewise.
14566         (mark_referenced_resources): Likewise.
14567         * rtlanal.c (set_noop_p): Likewise.
14568         (note_stores): Likewise.
14569         (note_uses): Likewise.
14570         * sched-deps.c (sched_analyze_1): Likewise.
14571         * sched-rgn.c (check_live_1): Likewise.
14572         (update_live_1): Likewise.
14573         * config/i860/i860.c: Likewise.
14574
14575         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
14576         an lvalue.
14577         (ZERO_EXTRACT): Mention that this one can be an lvalue.
14578
14579         * doc/rtl.texi: Update documentation for bit-fields and SET.
14580
14581 2005-01-05  Roger Sayle  <roger@eyesopen.com>
14582
14583         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
14584
14585 2005-01-05  Jan Hubicka  <jh@suse.cz>
14586             Richard Henderson  <rth@redhat.com>
14587
14588         PR target/18910
14589         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
14590         with an offset.
14591
14592 2005-01-05  Richard Henderson  <rth@redhat.com>
14593
14594         PR target/12902
14595         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
14596         (sse_shufps): Change operand 3 to const_int_operand.
14597         (sse2_storelps): Fix typo in template.
14598         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
14599         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
14600         (ix86_expand_builtin): Likewise.
14601
14602 2005-01-05  Julian Brown  <julian@codesourcery.com>
14603
14604         * config/arm/arm.c (arm_return_in_memory): Treat complex types
14605         as aggregates for AAPCS ABIs.
14606
14607 2005-01-05  Stan Shebs  <shebs@apple.com>
14608
14609         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
14610         Mach-O getters if ppc64.
14611         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
14612         size argument.
14613         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
14614         signed four-byte field for global code case.
14615         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
14616
14617 2005-01-05  Roger Sayle  <roger@eyesopen.com>
14618
14619         PR middle-end/19100
14620         * c-common.c: Include real.h.
14621         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
14622         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
14623         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
14624         * Makefile.in (c-common.o): Update dependencies.
14625
14626 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14627
14628         * c-parse.in (asm_string): Add trailing semicolon.
14629
14630 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14631
14632         * c-parse.in (asm_string): New.  Don't allow wide strings in
14633         'asm'.
14634         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
14635         asm_string instead of STRING.
14636
14637 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14638
14639         * c-typeck.c (constructor_no_implicit): Remove.
14640         (set_designator, process_init_element): Don't check
14641         constructor_no_implicit.
14642
14643 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
14644             Kaz Kojima  <kkojima@gcc.gnu.org>
14645
14646         PR target/16482
14647         * lcm.c (create_pre_exit): New.
14648         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
14649         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
14650
14651 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
14652
14653         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
14654         -msoft-float in target_float_switch.
14655         * arm.c (arm_override_options): Fix processing of target_float_switch.
14656
14657 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
14658
14659         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
14660         preferencing.
14661
14662 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
14663
14664         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
14665         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
14666
14667 2005-01-04  Roger Sayle  <roger@eyesopen.com>
14668
14669         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
14670         if deleting the then-block allows the test-block to fallthru to the
14671         else-block.
14672
14673 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
14674
14675         PR c/19152
14676         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
14677         after the full declaration if the are in two different TUs.
14678
14679 2005-01-04  Richard Henderson  <rth@redhat.com>
14680
14681         PR tree-opt/19158
14682         * tree-sra.c (generate_one_element_init): Just
14683         call gimplify_and_add.
14684         (generate_element_init): Record the
14685         new referenced variables and mark them for renaming
14686         and split out to ...
14687         (generate_element_init_1): This.
14688         (scalarize_init): Don't call push_gimplify_context/
14689         pop_gimplify_context.
14690
14691 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
14692
14693         * toplev.c (get_src_pwd): Handle failure of getpwd().
14694
14695 2005-01-04  Roger Sayle  <roger@eyesopen.com>
14696
14697         * fold-const.c (fold_single_bit_test): Delete unreachable handling
14698         of TRUTH_NOT_EXPR.
14699         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
14700         all the cases handled by it are inverted by invert_truthvalue.
14701
14702 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14703
14704         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
14705         (save_register_windowsi): Likewise.
14706
14707 2005-01-04  Richard Henderson  <rth@redhat.com>
14708
14709         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
14710
14711 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
14712
14713         PR middle-end/17767
14714         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
14715         any simplifications of vector mode comparison operators.
14716         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
14717
14718 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
14719             Devang Patel  <dpatel@apple.com>
14720
14721         PR tree-optimization/18308
14722         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
14723         the operands before creating a new expression.
14724         * dojump.c (do_jump): Make drop_through_label available
14725         for all cases.  Add expansion of COND_EXPR.
14726
14727 2005-01-04  Ira Rosen  <irar@il.ibm.com>
14728
14729         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
14730         INTEGER_CST instead of TREE_CONSTANT.
14731         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
14732         instead of TREE_CONSTANT.
14733         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
14734         instead of TREE_CONSTANT.
14735
14736 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14737
14738         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
14739
14740 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
14741
14742         PR target/19240
14743         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
14744         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
14745
14746 2005-01-03  Richard Henderson  <rth@redhat.com>
14747
14748         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
14749         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
14750         fold_convert_const_real_from_real): Split out from ...
14751         (fold_convert_const): ... here.
14752
14753 2005-01-03  Richard Henderson  <rth@redhat.com>
14754
14755         PR target/19235
14756         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
14757         (mov<MMXMODEI>_internal): Likewise.
14758         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
14759         Add V2SF case; use it for SSE1; don't use TI.
14760         (movdf_integer): Likewise.
14761         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
14762
14763 2005-01-03  Ira Rosen  <irar@il.ibm.com>
14764
14765         * tree-vectorizer.c (vect_strip_conversions): New function.
14766         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
14767         check for binary class.
14768
14769 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
14770
14771         Fix PR debug/17924
14772         Fix PR debug/19191
14773         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
14774         is a decl.
14775         * gimple-low.c (mark_blocks_with_used_vars): New function.
14776         (mark_blocks_with_used_subblocks): Ditto.
14777         (mark_used_blocks): Ditto.
14778         (pass_mark_used_blocks): New pass.
14779         * tree-inline.c: Include debug.h.
14780         (expand_call_inline): Call outlining_inline_function here.
14781         * tree-optimize.c (init_tree_optimization_passes): Add
14782         pass_mark_used_blocks.
14783         * tree-pass.h (pass_mark_used_blocks): New.
14784         * Makefile.in (tree-inline.o): Add debug.h dependency.
14785
14786 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
14787
14788         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
14789         VAR_DECLs to have weak_import attribute.
14790
14791         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
14792         'struct ucontext'.
14793
14794 2004-01-03  Steven Bosscher  <stevenb@suse.de>
14795
14796         * passes.c (rest_of_compilation): Don't run regmove if only
14797         flag_expensive_optimizations, require flag_regmove instead.
14798
14799 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
14800
14801         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
14802         register "sparc".
14803         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
14804         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14805         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
14806         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14807
14808 2005-01-03  Richard Henderson  <rth@redhat.com>
14809
14810         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
14811         (ia64_const_ok_for_letter_p): New.
14812         (ia64_const_double_ok_for_letter_p): New.
14813         (ia64_extra_constraint): New.
14814         (ia64_expand_vecint_compare): New.
14815         (ia64_expand_vcondu_v2si): New.
14816         (ia64_expand_vecint_cmov): New.
14817         (ia64_expand_vecint_minmax): New.
14818         (ia64_print_operand): Add 'v'.
14819         (ia64_preferred_reload_class): New.
14820         (ia64_vector_mode_supported_p): New.
14821         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
14822         (PREFERRED_RELOAD_CLASS): Move to function.
14823         (CONST_OK_FOR_LETTER_P): Move to function.
14824         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
14825         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
14826         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
14827         (EXTRA_CONSTRAINT): Move to function.
14828         * config/ia64/ia64.md: Include vect.md.
14829         (itanium_class): Add mmalua.
14830         (type): Handle it.
14831         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
14832         (1b_mmalua): New.
14833         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
14834         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
14835         CONST0_RTX.
14836         (const_int_2bit_operand): New.
14837         (fr_reg_or_0_operand): New.
14838         * config/ia64/ia64-modes.def: Add vector modes.
14839         * config/ia64/ia64-protos.h: Update.
14840         * config/ia64/vect.md: New file.
14841
14842 2005-01-03  Richard Henderson  <rth@redhat.com>
14843
14844         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
14845
14846 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
14847
14848         PR target/19236
14849         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
14850         to SFmode.
14851         (log1pdf2): Change mode of operands[0,1] to DFmode.
14852
14853 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
14854
14855         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
14856         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
14857         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
14858         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
14859         SPARC_RELAXED_ORDERING.
14860
14861 2005-01-03  Richard Henderson  <rth@redhat.com>
14862             Uros Bizjak  <uros@kss-loka.si>
14863
14864         PR target/14631
14865         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
14866         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
14867         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
14868         handling.
14869         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
14870         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
14871         const_pow2_1_to_128_operand): New predicates.
14872
14873 2005-01-02  Greg McGary  <greg@mcgary.org>
14874
14875         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
14876         anonymous decls.
14877         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
14878         object.  [ptr_type]: Remove unused variable.
14879         Remember nearest addressable array-element or record-component
14880         when checking bitfield components.  Tolerate empty BIND_EXPR.
14881
14882 2005-01-01  Richard Henderson  <rth@redhat.com>
14883
14884         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
14885         that don't narrow the value.  Fail for other conversions.
14886
14887 2005-01-01  Richard Henderson  <rth@redhat.com>
14888
14889         PR c/19031
14890         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
14891         * c-lang.c (finish_file): Don't do it here.
14892         * objc/objc-act.c (objc_finish_file): Likewise.
14893
14894         * cgraph.c (decl_assembler_name_equal): New.
14895         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
14896         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
14897         * cgraph.h (struct cgraph_varpool_node): Add next.
14898         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
14899         * varasm.c (assemble_alias): Mark the target as needed.
14900
14901 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
14902
14903         PR middle-end/19221
14904         * function.c (get_arg_pointer_save_area): Use entry_of_function
14905         instead of get_insns.
14906
14907 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14908             Andrew Pinski  <pinskia@physics.uc.edu>
14909             James E. Wilson  <wilson@specifixinc.com>
14910
14911         PR rtl-optimization/12092
14912         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
14913         is zero.
14914
14915 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14916             Olivier Hainque  <hainque@act-europe.fr>
14917
14918         * tree.c (int_fits_type_p): A narrower type always fits in a
14919         wider one, except for negative values into unsigned types.
14920
14921 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14922
14923         * tree.c (int_fits_type_p): Compare the result of force_fit_type
14924         with the original constant rather than require TREE_OVERFLOW.
14925
14926 2005-01-01  Steven Bosscher  <stevenb@suse.de>
14927
14928         PR middle-end/17544
14929         * c-decl.c (finish_function): If compiling C99, annotate the
14930         compiler generated return with the current file name and line 0.
14931         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
14932         the source line is greater than 0.
14933         (remove_bb): Likewise.