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PR bootstrap/20633
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2
3         PR bootstrap/20633
4         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
5
6 2005-04-30  Paul Brook  <paul@codesourcery.com>
7
8         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
9         thumb mode.
10         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
11         * config/arm/ieee754-sf.S: Ditto.
12         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
13         (FUNC_ALIAS): Use .thumb_set for thumb routines.
14
15 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
16
17         * tree-ssanames.c: Fix a comment typo.
18         * doc/options.texi: Fix a typo.
19
20 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
21
22         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
23         gcc_unreachable as appropriate.
24         (split_adds_subs, cond_string, print_operand,
25         h8300_initial_elimination_offset, h8300_classify_operand,
26         h8300_unary_length, h8300_short_immediate_length,
27         h8300_bitfield_length, h8300_binary_length,
28         h8300_insn_length_from_table, compute_mov_length, output_plussi,
29         compute_plussi_length, compute_plussi_cc, output_logical_op,
30         compute_logical_op_length, compute_logical_op_cc,
31         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
32         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
33         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
34         h8300_regs_ok_for_stm): Likewise.
35         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
36         monitor_prologue): Likewise.
37
38 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
39
40         * loop-invariant.c (invariants, create_new_invariant,
41         get_inv_cost, best_gain_for_invariant,
42         find_invariants_to_move, move_invariants,
43         init_inv_motion_data, free_inv_motion_data): Use VEC instead
44         of VARRAY.
45
46 2005-04-29  Richard Henderson  <rth@redhat.com>
47
48         * function.c (instantiate_decls): Remove valid_only argument.
49         (instantiate_decls_1, instantiate_decl): Likewise.
50         (instantiate_virtual_regs_1): Delete.
51         (instantiate_virtual_regs_lossage): Delete.
52         (instantiate_virtual_regs_in_rtx): New.
53         (safe_insn_predicate): New.
54         (instantiate_virtual_regs_in_insn): New.
55         (instantiate_virtual_regs): Update to match all that.  Only run
56         instantiate_decls once.
57
58 2005-04-29  Richard Henderson  <rth@redhat.com>
59             Daniel Jacobowitz  <dan@codesourcery.com>
60
61         * gengtype.c (write_func_for_structure): Split out ...
62         (output_type_enum): ... new function.  Fix thinko accessing
63         TYPE_PARAM_STRUCT data.
64
65 2005-04-29  Tom Tromey  <tromey@redhat.com>
66
67         * tree.c (build_block): Removed unused 'tags' argument.
68         * tree.h (build_block): Removed argument.
69
70 2005-04-29  Michael Matz  <matz@suse.de>
71
72         PR rtl-optimization/21144
73         * postreload.c (reload_cse_move2add): Check for VOIDmode.
74
75 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
76
77         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
78         flag_reorder_blocks.
79
80 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
81
82         PR tree-optimization/21030
83         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
84         ranges where VR->MAX is smaller than VR->MIN.
85
86 2005-04-29  Devang Patel  <dpatel@apple.com>
87
88         PR tree-optimization/21272
89         PR tree-optimization/21266
90         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
91         
92 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
93
94         * tree-flow-inline.h: Fix a comment typo.
95         * doc/tree-ssa.texi: Fix a typo.
96
97         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
98
99 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
100
101         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
102         gcc_unreachable as appropriate.
103         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
104         fr30_print_operand, fr30_move_double): Likewise.
105         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
106
107 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
108
109         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
110         definition has already been provided.
111         (ARM_EABI_DTORS_SECTION_OP): Likewise.
112         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
113         (ARM_EABI_DTORS_SECTION_OP): Likewise.
114
115 2005-04-29  Jim Tison  <jtison@us.ibm.com>
116
117         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
118         trace hooks calls to improve performance.
119
120 2005-04-29  Julian Brown  <julian@codesourcery.com>
121             Mark Mitchell  <mark@codesourcery.com>
122             Paul Brook  <paul@codesourcery.com>
123
124         * crtstuff.c: Handle targets that use .init_array.
125         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
126         that INVOKE__main is set correctly.
127         (expand_main_function): Test INVOKE__main.
128         * libgcc2.c: Do not define __main when using .init_array.
129         * config/arm/arm.c (arm_elf_asm_constructor): New function.
130         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
131         libgcc version.
132         (DTORS_SECTION_ASM_OP): Likewise.
133         (CTOR_LIST_BEGIN): Define specially when in libgcc.
134         (CTOR_LIST_END): Likewise.
135         (DTOR_LIST_BEGIN): Likewise.
136         (DTOR_LIST_END): Likewise.
137         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
138         (FINI_SECTION_ASM_OP): Likewise.
139         (INIT_ARRAY_SECTION_ASM_OP): Define.
140         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
141         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
142         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
143         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
144         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
145
146 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
147
148         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
149         gcc_assert and gcc_unreachable as appropriate.
150         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
151         const_int_cost, output_move_const_into_data_reg,
152         output_move_qimode, output_move_double, find_addr_reg,
153         print_operand, print_operand_address): Likewise.
154         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
155         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
156         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
157         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
158         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
159         conditional_trap): Likewise.
160         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
161
162 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
163
164         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
165         gcc_unreachable as appropriate.
166         (gen_conditional_move, xtensa_split_operand_pair,
167         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
168         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
169         xtensa_copy_incoming_a7, xtensa_output_literal,
170         xtensa_output_literal, xtensa_output_literal): Likewise.
171         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
172         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
173         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
174         movsicc_internal1, movsfcc_internal0,
175         movsfcc_internal1): Likewise.
176
177 2005-04-28  James E Wilson  <wilson@specifixinc.com>
178
179         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
180         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
181
182 2005-04-28  DJ Delorie  <dj@redhat.com>
183
184         * opt-functions.awk (var_set): Emit proper initializer for
185         non-target bitfields.
186
187 2005-04-28  Devang Patel  <dpatel@apple.com>
188
189         * dbxout.c (have_used_extensions): Remove.
190         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
191         have_used_extensions.
192         
193 2005-04-28  James E Wilson  <wilson@specifixinc.com>
194
195         * doc/install.texi: Update -enable-languages info.  Correct path to
196         html docs.
197
198 2005-04-28  DJ Delorie  <dj@redhat.com>
199
200         * optc-gen.awk (END): Make sure no variable is defined more
201         than once.
202         * opth-gen.awk (END): Allocate bits on a per-variable basis.
203         Allow for bitfield variables other than target_flags.
204         * doc/options.text (Mask): Document that you may specify a
205         variable other than target_flags.
206
207 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
208
209         PR rtl-optimization/18877
210         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
211         number in val.start.
212
213 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
214
215         PR target/20813
216         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
217         MASK_PPC_GFXOPT.
218         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
219         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
220         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
221
222 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
223
224         * arm.c (legitimize_pic_address): Fix sense of assertion test for
225         creating pseudos when the base offset is too large.
226
227 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
228
229         * global.c (earlyclobber_regclass): Change the type to
230         VEC(int,heap).
231         (check_earlyclobber): Update uses of earlyclobber_regclass.
232         (mark_reg_use_for_earlyclobber): Likewise.
233         (calculate_local_reg_bb_info): Allocate and free
234         earlyclobber_regclass using the VEC API.
235
236 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
237
238         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
239         assert.
240
241 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
242
243         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
244         (*targetm.foo).
245
246         * config.gcc: Obsolete c4x-* and tic4x-*.
247
248         * tree.h (edge_def): Remove.
249
250         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
251         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
252         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
253         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
254         where appropriate.
255
256         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
257         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
258         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
259         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
260         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
261         machmode.def, mips-tfile.c, params.c, pretty-print.c,
262         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
263         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
264         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
265         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
266         config/i386/cygming.h, config/i386/djgpp.h,
267         config/i386/lynx.h, config/i386/netware.c,
268         config/i386/winnt.c, config/ia64/ia64-c.c,
269         config/iq2000/iq2000.c, config/m32r/little.h,
270         config/m68k/m68k-protos.h, config/m68k/m68k.h,
271         config/m68k/m68k.md, config/mcore/mcore.c,
272         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
273         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
274         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
275         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
276         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
277         config/pdp11/pdp11.h, config/rs6000/darwin.h,
278         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
279         config/s390/2064.md, config/s390/2084.md,
280         config/s390/s390-modes.def, config/s390/s390-protos.h,
281         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
282         config/stormy16/stormy16.c, config/vax/vax-protos.h,
283         config/vax/vax.c, config/vax/vax.h,
284         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
285         copyright.
286
287 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
288
289         * c-typeck.c (build_compound_expr): Correct logic in last change.
290
291 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
292
293         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
294         parameters.  Replace conditional move code with assert checking for
295         ar.lc.  Delete obsolete comments.
296         (set_src_needs_barrier): Delete cond parameter, and code using it.
297         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
298         assert checking for PR_REGS.  Fix calls to update_set_flags and
299         set_src_needs_barrier.
300         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
301         callers.  Rewrite explanatory comment before the function.
302         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
303         Fix all callers.
304
305 2005-04-27  Mike Stump  <mrs@apple.com>
306
307         * doc/cpp.texi: gcc now implements universal character names.
308
309 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
310
311         PR c/21159
312         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
313         being a compound expression whose right-hand side is cast to void.
314
315 2005-04-27  Caroline Tice  <ctice@apple.com>
316
317         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
318         Remove targetm.have_named_sections test.
319         (fix_edges_for_rarely_executed_code): Likewise.
320         (insert_section_boundary_note): Likewise.
321         (reorder_basic_blocks): Check partitioning flag before calling
322         verify_hot_cold_block_grouping.
323         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
324         the function struct rather than global variables.
325         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
326         (COLD_END_LABEL): Likewise
327         (cold_text_section_label): New static global variable.
328         (cold_end_label): Likewise.
329         (dwarf2out_switch_text_section): Get hot/cold section labels from
330         the function struct rather than global variables; test to make sure
331         cfun is defined.
332         (output_aranges): Use cold_text_section_label and cold_end_label;
333         check partitioning flag before putting out delta.
334         (output_ranges): Remove incorrect code attempting to use
335         hot/cold labels.
336         (output_line_info): Get cold section label from function struct; test
337         to make sure cfun is defined.
338         (add_location_or_const_value_attribute): Likewise.
339         (dwarf2out_var_location): Likewise.
340         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
341         write out cold_text_section_label if partition flag is set.
342         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
343         * function.h (struct function): Add new fields to point to hot/cold
344         section labels: hot_section_label, cold_section_label,
345         hot_section_end_label and cold_section_end_label; also add new field
346         for cold text section name, unlikely_text_section_name.
347         * opts.c (decode_options): Turn off partitioning flag if
348         !targetm.have_named_sections.
349         * output.h (hot_section_label): Remove.
350         (hot_section_end_label): Remove.
351         (cold_section_end_label): Remove.
352         (unlikely_section_label): Remove.
353         (unlikely_text_section_name): Remove.
354         * passes.c (rest_of_handle_final):  Remove extra blank line.
355         * varasm.c (unlikely_section_label): Remove.
356         (hot_section_label): Remove.
357         (hot_section_end_label): Remove.
358         (cold_section_end_label): Remove.
359         (unlikely_text_section_name):  Remove.
360         (initialize_cold_section_name): Modify to call
361         targetm.strip_name_encoding; to store cold section name in current
362         function struct, if it exists; and to only use the decl_section_name
363         if flag_named_sections is true.
364         (unlikely_text_section): Modify to get section name out of current
365         function struct, if there is one; otherwise build it from
366         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
367         (in_unlikely_text_section): Likewise.
368         (named_section): Modify to get/put cold section name in current function
369         struct, if there is one.
370         (function_section):  Change 'bool unlikely' to 'int reloc'; check
371         targetm.have_named_sections before calling named_section.
372         (current_function_section): Likewise.
373         (assemble_start_function): Modify to get/put unlikely_text_section_name
374         in current function struct; modify to get hot/cold section labels
375         from function struct; initialize labels using
376         ASM_GENERATE_INTERNAL_LABEL;
377         test partitioning flag before writing out hot section label.
378         (assemble_end_function): Test partitioning flag before writing out
379         hot/cold section labels.
380         (default_section_type_flags_1):  Get cold text section name from
381         function struct if there is one; Set flags correctly for
382         cold text section if there is not a current function struct.
383         
384 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
385
386         * tree-ssa-propagate.c (set_rhs): Revert last change.
387
388 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
389
390         * explow.c (convert_memory_address): Add gcc_assert.
391
392 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
393
394         * configure.ac: Check for ld --sysroot support.
395         * gcc.c: Document %R specifier for specs.
396         (SYSROOT_SPEC): New macro.
397         (sysroot_spec): New variable.
398         (static_specs): Add sysroot_spec.
399         (main): Pass the sysroot spec to the linker if appropriate.
400         * configure: Regenerated.
401         * config.in: Likewise.
402
403 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
404
405         * fold-const.c (fold_binary): Use build_fold_addr_expr
406         for address calculation and INDIRECT_REF handling.
407
408 2005-04-27  Andrew Haley  <aph@redhat.com>
409
410         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
411
412 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
413
414         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
415         pointer when thumb backtracing is on.
416
417         * config/fp-bit.c (abort): Revert change.
418
419 2005-04-27  Ian Lance Taylor  <ian@airs.com>
420
421         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
422
423 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
424
425         * tree-ssa-dce.c: Fix a comment typo.
426
427 2005-04-27  David S. Miller  <davem@davemloft.net>
428
429         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
430         Kill setjmpless_size.  current_function_calls_setjmp is completely
431         computed when we are called, so just use the optimized size value
432         instead of using REG_SAVE_AREA notes.
433         (optimize_save_area_alloca): Delete....
434         * rtl.h (optimize_save_area_alloca): Likewise...
435         * passes.c (rest_of_compilation): and don't call it any more.
436         * reg-notes.def (SAVE_AREA): Delete.
437         
438 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
439
440         * config/fp-bit.c (abort): Add noreturn attribute.
441
442         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
443         gcc_unreachable as appropriate.
444         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
445         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
446         ASM_OUTPUT_REG_POP): Likewise.
447
448 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
449
450         * tree-complex.c (expand_vector_operations_1): Do not build
451         VIEW_CONVERT_EXPR's for the lhs.
452
453 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
454
455         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
456         unnecessary noncanonical RTL handling.
457         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
458         gcc_assert and gcc_unreachable.
459
460         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
461         gcc_unreachable as appropriate.
462         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
463         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
464         use_return_insn, const_ok_for_op, arm_gen_constant,
465         arm_canonicalize_comparison, legitimize_pic_address,
466         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
467         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
468         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
469         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
470         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
471         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
472         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
473         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
474         output_call, output_mov_long_double_fpa_from_arm,
475         output_mov_long_double_arm_from_fpa,
476         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
477         output_move_double, arithmetic_instr, shift_op, int_log2,
478         output_return_instruction, arm_output_function_prologue,
479         arm_output_epilogue, arm_output_function_epilogue,
480         emit_multi_reg_push, arm_get_frame_offsets,
481         arm_compute_initial_elimination_offset, arm_expand_prologue,
482         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
483         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
484         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
485         thumb_compute_initial_elimination_offset,
486         thumb_output_function_prologue, thumb_load_double_from_address,
487         thumb_output_move_mem_multiple, thumb_reload_out_hi,
488         arm_emit_vector_const, arm_dbx_register_number): Likewise.
489         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
490         * config/arm/arm.md (thumb_extendhisi2,
491         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
492         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
493         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
494         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
495         * config/arm/cirrus.md (*cirrus_arm_movdi,
496         *cirrus_movdf_hard_insn): Likewise.
497         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
498
499 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
500
501         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
502         (num_ssa_names): Use VEC_length.
503         (ssa_names): Use VEC_index.
504         * tree-ssanames.c (ssa_names): Change the type to
505         VEC(tree,gc).
506         (init_ssanames, fini_ssa_names, make_ssanames,
507         release_ssa_name): Update uses of ssa_names.
508
509         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
510         Use fold_buildN instead of fold (buildN (...)).
511
512 2005-04-27  Devang Patel <dpatel@apple.com>
513
514         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
515
516 2005-04-27  Matt Thomas <matt@3am-software.com>
517             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
518
519         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
520         (vax_output_mi_thunk): Ditto.
521         (vax_notice_cc_update): Ditto.
522         (INDEX_REGISTER_P): Add trailing \.
523         (BASE_REGISTER_P): Add trailing \.
524         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
525
526 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
527
528         * tree-ssa-propagate.c (set_rhs): Check operand of
529         ADDR_EXPR for gimpliness, too.
530
531 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
532
533         * tree-ssa-pre.c: Fix a comment typo.
534
535 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
536
537         PR tree-optimization/21171
538         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
539         record address uses if the reference is volatile.
540
541 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
542
543         * tree-complex.c (expand_vector_operation): New, extracted from
544         expand_vector_operations_1.
545         (tree_vec_extract): Build a NOP_EXPR.
546         (expand_vec_parallel): Do not care about returning the correct type.
547         (expand_vector_operations_1): Call expand_vector_operation.
548         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
549
550         * tree-complex.c (gate_expand_vector_operations): New.
551         (pass_lower_vector_ssa): Use it.
552         * tree-optimize.c (init_tree_optimization_passes): Include
553         pass_lower_vector_ssa.
554         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
555         (vectorizable_operation): Use it.
556         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
557         integer modes for the vector type.
558
559         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
560         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
561         Do not cope with UNITS_PER_SIMD_WORD == 0.
562         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
563         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
564         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
565         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
566         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
567         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
568         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
569
570         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
571         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
572         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
573
574         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
575         (UNITS_PER_SIMD_WORD): New.
576
577 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
578
579         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
580         gcc_unreachable as appropriate.
581         (ia64_expand_load_address, ia64_expand_tls_address,
582         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
583         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
584         next_scratch_gr_reg, ia64_initial_elimination_offset,
585         ia64_expand_prologue, ia64_expand_epilogue,
586         ia64_output_dwarf_dtprel, ia64_print_operand,
587         ia64_register_move_cost, first_instruction, rws_access_regno,
588         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
589         ia64_sched_init, ia64_variable_issue,
590         ia64_first_cycle_multipass_dfs_lookahead_guard,
591         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
592         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
593         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
594         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
595         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
596         * config/ia64/predicates.md (got_symbolic_operand,
597         sdata_symbolic_operand): Likewise.
598         * config/ia64/vect.md (vcondv2sf): Likewise.
599
600 2005-04-27  Matt Thomas <matt@3am-software.com>
601
602         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
603         CONSTANT_ADDRESS_P in config/vax/vax.h
604         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
605         (INDEX_REGISTER_P): New.
606         (BASE_REGISTER_P): New.
607         (indirectable_constant_address_p): New.  Adapted from
608         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
609         (indirectable_address_p): New.  Adapted from
610         INDIRECTABLE_ADDRESS_P in vax.h.
611         (nonindexed_address_p): New.  Adapted from
612         GO_IF_NONINDEXED_ADDRESS in vax.h.
613         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
614         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
615         (legitimate_address_p): New.  Adapted from
616         GO_IF_LEGITIMATE_ADDRESS in vax.h.
617         (vax_mode_dependent_address_p): New.  Adapted from
618         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
619         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
620         legitimate_constant_address_p.
621         (CONSTANT_P): Use legitimate_constant_p.
622         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
623         (INDIRECTABLE_ADDRESS_P): Removed.
624         (GO_IF_NONINDEXED_ADDRESS): Removed.
625         (INDEX_TEMP_P): Removed.
626         (GO_IF_REG_PLUS_INDEX): Removed.
627         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
628         definitions, depending on whether REG_OK_STRICT is defined.
629         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
630         Two definitions, depending on whether REG_OK_STRICT is defined.
631         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
632         added.
633         (legitimate_constant_p): Prototype added.
634         (legitimate_address_p): Prototype added.
635         (vax_mode_dependent_address_p): Prototype added.
636
637 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
638
639         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
640
641 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
642
643         PR c/21213
644         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
645         transparent union.
646
647 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
648
649         PR c/20740
650         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
651         assertion failures, if __gcc_host_wide_int__ is not properly
652         defined.
653         (init_dynamic_diag_info): Give errors, not assertion failures, if
654         location_t, tree or __gcc_host_wide_int__ are not properly
655         defined.
656
657 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
658
659         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
660         n_iv_uses, iv_use, n_iv_cands, iv_cand,
661         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
662         prepare_decl_rtl, free_loop_data,
663         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
664         VARRAY.
665
666         * tree.h (tree_phi_node): Add a comment about the order of PHI
667         arguments.
668
669 2005-04-26  Paul Brook  <paul@codesourcery.com>
670
671         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
672
673 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
674
675         * config/mips.mips.c (mips_legitimize_tls_address): Use
676         gcc_unreachable.
677
678         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
679         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
680         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
681
682         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
683         'abort'.
684
685 2005-04-26  Jeff Law  <law@redhat.com>
686
687         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
688         (op_iter_init_must_and_may_def): Likewise.
689         (unmodifiable_var_p): Move to a later point in the file.
690         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
691         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
692         (dse_record_phis): Directly check for virtual operands rather than
693         using need_imm_uses_for.
694         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
695         store has multiple V_{MAY,MUST}_DEF operands.
696
697 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
698
699         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
700         stmt.
701
702 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
703
704         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
705         call to find_edge outside a loop to go through a PHI chain.
706
707 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
708
709         PR tree-optimization/17598
710         * fold-const.c (fold_binary): Fold comparisons of addresses
711         of COMPONENT_REFs which reference the same field to
712         comparisons of the addresses of the base objects.
713
714 2005-04-26  Julian Brown  <julian@codesourcery.com>
715
716         * config/arm/arm.c (arm_return_in_msb): New function.
717         (arm_must_pass_in_stack): New function.
718         (TARGET_RETURN_IN_MSB): Define target hook.
719         (TARGET_MUST_PASS_IN_STACK): Define target hook.
720         (arm_function_value): Pad small aggregate return.
721         (arm_pad_arg_upward): New function.
722         (arm_pad_reg_upward): New function.
723         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
724         (FUNCTION_ARG_PADDING): Define macro.
725         (BLOCK_REG_PADDING): Define macro.
726         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
727         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
728         (arm_pad_reg_upward): Declare function.
729
730 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
731
732         * basic-block.h (ei_cond): New.
733         (FOR_EACH_EDGE): Call ei_cond.
734
735         PR tree-optimization/21047
736         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
737         (fold): Don't handle ASSERT_EXPR.
738
739 2005-04-25  Roger Sayle  <roger@eyesopen.com>
740
741         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
742         all writes to any stack register as a read/write dependency on
743         FIRST_STACK_REG.
744         (sched_analyze_2): Likewise, for reads from any stack register.
745
746 2005-04-25  Richard Henderson  <rth@redhat.com>
747
748         * final.c (output_addr_const): Revert 2005-04-09 change.
749
750 2005-04-25  Mike Stump  <mrs@apple.com>
751
752         * config/darwin.c (darwin_encode_section_info): Always set
753         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
754
755 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
756
757         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
758         gensupport.c, protoize.c, toplev.c: Replace calls to
759         `unlock_stream' with `unlock_std_streams'.
760
761 2005-04-25  Devang Patel <dpatel@apple.com>
762
763         * dbxout.c (dbxout_type): Emit attribute vector.
764         
765 2005-04-05  Paul Brook  <paul@codesourcery.com>
766
767         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
768         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
769         * config/arm/arm.c (arm_cxx_atexit_name): New function.
770         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
771         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
772         (register_dtor_fn): Likewise.
773         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
774
775 2005-04-25  Ian Lance Taylor  <ian@airs.com>
776
777         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
778         * c-common.h (EXPR_STMT_EXPR): Don't define.
779         (c_common_stmt_codes): Don't define.
780         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
781         * c-gimplify.c (gimplify_expr_stmt): Remove.
782         (c_gimplify_expr): Remove EXPR_STMT case.
783         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
784         to INIT_STATEMENT_CODES.
785         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
786
787 2005-04-25  Jan Hubicka  <jh@suse.cz>
788
789         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
790
791         * except.c: Include diagnostic.h
792         (dump_eh_tree, verify_eh_tree): New functions.
793         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
794         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
795         (dump_function_to_file): dump eh tree.
796         * tree-eh.c (mark_eh_edge): New function.
797         (mark_eh_edge_found_error): New static variable.
798         (verify_eh_edges): New function.
799
800 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
801
802         * tree-ssa-alias.c (fieldoff_t): Remove.
803         (fieldoff_s): typedef the structure itself.  Create a vector of
804         objects.
805         (push_fields_onto_fieldstack): Return count of fields pushed.
806         Remove peeling of first field.  Adjust.
807         (fieldoff_compare): Adjust.
808         (create_overlap_variables_for): Adjust.
809
810 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
811
812         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
813
814 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
815
816         PR bootstrap/21215
817         * doc/install.texi: Document correct assembler and linker to use
818         on i?86-*-solaris2.10.
819
820 2005-04-25  Steven Bosscher  <stevenb@suse.de>
821
822         Fix PR tree-optimization/21173
823
824         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
825         Unshare expression we pass to force_gimple_operand.
826
827 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
828             Stephen Clarke <stevec@superh.com>
829             Roger Sayle <roger@eyesopen.com>
830
831         PR rtl-optimization/20413
832         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
833         VOIDmode for LABEL_REF.
834         * final.c (shorten_branches): Likewise.
835         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
836         * loop.c (reg_dead_after_loop): Likewise.
837         * varasm.c (decode_addr_const): Likewise.
838         * doc/rtl.texi: Document mode requirement for LABEL_REF.
839
840 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
841
842         * config.gcc (avr-*-*): Remove redundant "case".
843
844 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
845
846         * tree-vect-analyze.c (vect_mark_relevant): Take
847         VEC(tree,heap) instead of varray_type as an argument.
848         (vect_mark_stmts_to_be_vectorized): Change the type of
849         worklist to VEC(tree,heap).  Adjust uses of worklist.
850
851 2005-04-24  Devang Patel  <dpatel@apple.com>
852
853         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
854         
855 2005-04-24  Ian Lance Taylor  <ian@airs.com>
856
857         * c-semantics.c (build_stmt): Remove test of specific tree codes
858         for TREE_SIDE_EFFECTS handling.
859
860 2005-04-24  Per Bothner  <per@bothner.com>
861
862         * c-opts.c (finish_options):  Make the line-number of the <built-in>
863         location 0, as assumed elsewhere, rather than 1.
864
865 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
866
867         * tree-ssa-uncprop.c (equiv_stack): Change the type o
868         VEC(tree,heap).
869         (tree_ssa_uncprop, uncprop_finalize_block,
870         uncprop_initialize_block): Update uses of equiv_stack.
871
872 2005-04-24  Richard Henderson  <rth@redhat.com>
873
874         PR rtl-opt/21163
875         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
876         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
877         constm1_rtx.
878         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
879         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
880         <DIV, MOD>: Likewise.
881
882 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
883
884         * collect2.c (main): Unlock the stdio streams.
885         * gcc.c (main): Likewise.
886         * gcov-dump.c (main): Likewise.
887         * gcov.c (main): Likewise.
888         * gen-protos.c (main): Likewise.
889         * gensupport.c (init_md_reader_args_cb): Likewise.
890         * protoize.c (main): Likewise.
891         * toplev.c (general_init): Likewise.
892
893 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
894
895         PR middle-end/20991
896         * cgraph.h (cgraph_local_info): Add vtable_method field.
897         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
898         and node is vtable_method, finalized and not reachable, don't do
899         anything.
900
901 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
902
903         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
904         COMPARISON_CLASS_P.
905         * tree-ssa-pre.c (create_value_expr_from): Use
906         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
907         * tree-ssa-propagate.c (stmt_makes_single_load,
908         stmt_makes_single_store): Use REFERENCE_CLASS_P.
909         * tree-vect-transform.c (vect_is_simple_cond): Use
910         COMPARISON_CLASS_P.
911         * tree-vrp.c (extract_range_from_assert,
912         build_assert_expr_for, fp_predicate, has_assert_expr): Use
913         COMPARISON_CLASS_P.
914
915         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
916         of tpa_to_clear to VEC(int,heap).  Update uses of
917         tpa_to_clear.  Free tpa_to_clear at the end.
918
919 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
920
921         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
922         function decl.
923
924 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
925
926         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
927         and gcc_unreachable as appropriate.
928         (num_insns_constant, output_vec_const_move,
929         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
930         rs6000_emit_set_const, rs6000_emit_move,
931         spe_build_register_parallel, function_arg,
932         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
933         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
934         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
935         rs6000_common_init_builtins, expand_block_clear,
936         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
937         extract_ME, rs6000_get_some_local_dynamic_name,
938         rs6000_output_function_entry, print_operand,
939         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
940         output_cbranch, output_e500_flip_gt_bit,
941         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
942         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
943         compute_save_world_info, rs6000_stack_info,
944         rs6000_emit_load_toc_table, rs6000_frame_related,
945         spe_synthesize_frame_save, rs6000_emit_epilogue,
946         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
947         output_function_profiler, rs6000_trampoline_size,
948         rs6000_initialize_trampoline, find_addr_reg,
949         rs6000_machopic_legitimize_pic_address,
950         rs6000_initial_elimination_offset,
951         rs6000_dbx_register_number): Likewise.
952         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
953         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
954         *movti_power, *movti_string, call, call_value, sibcall,
955         sibcall_value): Likewise.
956         * config/rs6000/spe.md (*movdf_e500_double,
957         *movv2si_internal): Likewise.
958         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
959         from comment.
960
961 2005-04-24  Richard Henderson  <rth@redhat.com>
962
963         PR target/21101
964         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
965         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
966         Deny modes smaller than 4 bytes.
967         * config/i386/i386-protos.h: Update.
968
969 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
970
971         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
972         Switch h8300-*-rtems* to ELF.
973
974 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
975
976         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
977
978 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
979
980         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
981
982 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
983
984         PR middle-end/21082
985         * fold-const.c: Fold &a[i]-&a[j] to i-j.
986
987 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
988
989         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
990         definitions of ssa names in condition.  Split recusive part to ...
991         (tree_simplify_using_condition_1): New function.
992         (expand_simple_operations): New function.
993
994 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
995
996         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
997         (find_interesting_uses_cond): Do not use integer_zerop and
998         integer_nonzerop to check for integer constants.
999         (set_use_iv_cost): Record the value field.
1000         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
1001         determine_use_iv_cost_outer): Set the value field of the cost pair.
1002         (may_eliminate_iv): Do not return the comparison code.
1003         (iv_elimination_compare): New function.
1004         (determine_use_iv_cost_condition): Set the value field.  Record
1005         noneliminable invariants correctly.
1006         (rewrite_use_compare, rewrite_use_outer): Use the value field.
1007
1008 2005-04-23  DJ Delorie  <dj@redhat.com>
1009
1010         * diagnostic.c (warning): Accept parameter to classify warning option.
1011         (warning0): New, for when a pointer to an error() like function is needed.
1012         * errors.c (warning): Likewise.
1013         * errors.h (warning, warning0): Adjust prototypes.
1014         * toplev.h (warning, warning0): Likewise.
1015
1016         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
1017         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
1018         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
1019         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
1020         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
1021         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1022         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
1023         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
1024
1025         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
1026         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
1027         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
1028         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
1029         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
1030         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
1031         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
1032         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
1033         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
1034         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
1035         config/rs6000/aix52.h, config/rs6000/darwin.h,
1036         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
1037         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1038         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
1039         config/stormy16/stormy16.c, config/v850/v850-c.c,
1040         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
1041         callers.
1042         
1043 2005-04-23  Richard Henderson  <rth@redhat.com>
1044
1045         PR rtl-opt/21102
1046         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1047         performing some integral scalar simplifications.
1048
1049 2005-04-23  Richard Henderson  <rth@redhat.com>
1050
1051         PR target/21099
1052         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1053         simplifying CONST_VECTOR.
1054
1055 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1056
1057         * tree-ssa-live.c (live_worklist): Take a stack allocated on
1058         heap as an argument.  Update uses of stack.
1059         (calculate_live_on_entry): Allocate stack on heap.
1060
1061         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1062         partition_link and tpa_nodes on heap.
1063
1064         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
1065         (mark_stmt_necessary, propagate_necessity,
1066         mark_really_necessary_kill_operand_phis): Update uses of
1067         worklist.
1068         (tree_dce_init): Allocate worklist using VEC_alloc.
1069         (tree_dce_done): Free worklist using VEC_free.
1070
1071 2005-04-23  Mike Stump  <mrs@apple.com>
1072
1073         * config/darwin.c (machopic_indirection_name): Don't use
1074         quotes needlessly.
1075         (darwin_emit_unwind_label): Use user_label_prefix instead of
1076         "_".
1077
1078 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1079
1080         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
1081
1082 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
1083
1084         * config.gcc <cris-*>: Specify .opt files.
1085         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
1086         config/cris/linux.opt: New files.
1087         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
1088         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1089         (TARGET_ELF): Override to 0.
1090         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
1091         -melinux-stacksize=N.
1092         * config/cris/cris.c: (cris_handle_option): New function.
1093         (TARGET_DEFAULT_TARGET_FLAGS): Override.
1094         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
1095         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
1096         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
1097         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
1098         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
1099         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
1100         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
1101         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
1102         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
1103         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
1104         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
1105         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
1106         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
1107         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
1108         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
1109         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
1110         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1111         (TARGET_LINUX): Define 0.
1112         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1113         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
1114         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
1115         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
1116         (TARGET_LINUX): Override to 1.
1117         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1118
1119 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1120
1121         * haifa-sched.c (schedule_block): Fix thinko in previous
1122         assertification patch.
1123
1124 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
1125
1126         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
1127         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
1128         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1129         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
1130         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
1131         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1132         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
1133         for hpux11.[1-9]*.
1134         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
1135         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
1136         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
1137         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
1138         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
1139         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
1140         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
1141         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
1142         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
1143         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
1144         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
1145         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
1146         (SUBTARGET_OPTIONS): Delete.
1147         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
1148         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
1149         instead of a string.
1150         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
1151         (pa_cpu_string, pa_unix_string): Delete.
1152         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
1153         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
1154         TARGET_HPUX_10_10.
1155         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1156         (pa_handle_option): New function.
1157         (override_options): Remove handling of -march=, -mfixed-range=,
1158         -mschedule= and -munix=.
1159         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
1160         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
1161         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
1162         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
1163         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
1164         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
1165         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
1166         redefining.
1167         * config/pa/pa.opt: New file.
1168         * config/pa/pa-hpux.opt: New file.
1169         * config/pa/pa-hpux1010.opt: New file.
1170         * config/pa/pa-hpux1111.opt: New file.
1171         * config/pa/pa64-hpux.opt: New file.
1172
1173 2005-04-22  David S. Miller  <davem@davemloft.net>
1174
1175         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
1176         integer when it's mode is VOIDmode not DImode.
1177
1178 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
1179
1180         * config/rs6000/rs6000.md (sync_add<mode>_internal,
1181         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
1182         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
1183         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
1184         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
1185         "bne- $-xxx" rather than local labels.
1186         (sync_lock_release<mode>): Add second operand.
1187         (lwsync): Use .long rather than a more meaningful opcode.
1188         * doc/md.texi (Standard Names): Add description of second
1189         parameter to sync_lock_test_and_set.
1190
1191 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1192
1193         PR tree-optimization/21088
1194         * fold-const.c (fold_unary, fold_binary, fold_ternary):
1195         Export.
1196         * tree-vrp.c (compare_values): Use fold_binary to compare
1197         pointers.  Use boolean_type_node as the type of a comparison
1198         expression being folded.
1199         * tree.h: Add prototypes for fold_unary, fold_binary,
1200         fold_ternary.
1201
1202         * tree-ssa-dom.c: Fix formatting.
1203
1204 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1205
1206         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
1207         * lambda-code.c (perfect_nestify): Mark virtual operands in
1208         the moved statement for renaming.
1209         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
1210         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1211         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
1212         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1213         * tree-flow.h (struct var_ann_d): Update comments.
1214         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
1215         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
1216         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
1217         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
1218         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
1219         debug_names_replaced_by): Remove declarations.
1220         (delete_update_ssa, get_current_def, set_current_def): Declare.
1221         (rewrite_into_loop_closed_ssa): Add new argument.  Update
1222         all callers.
1223         * tree-into-ssa.c: Include params.h.
1224         (old_virtual_ssa_names): Remove.  Update all users.
1225         (need_to_replace_names_p): Remove.  Update all users.
1226         (struct update_ssa_stats_d): Declare.
1227         (update_ssa_stats): New local.
1228         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
1229         dump_tree_ssa_stats, debug_tree_ssa_stats,
1230         dump_update_ssa, debug_update_ssa,
1231         dump_names_replaced_by, debug_names_replaced_by): Declare.
1232         (get_current_def, set current_def): Make extern.
1233         (is_old_name, is_new_name): Protect against references
1234         past the end of the sets.
1235         (add_new_name_mapping): Assert that OLD and NEW are
1236         different SSA names for the same symbol.
1237         When adding a virtual mapping, update stats for virtual
1238         mapping heuristic.
1239         (insert_phi_nodes_for): If UPDATE_P is true, create the
1240         LHS of the new PHI by duplicating SSA name VAR.
1241         (insert_phi_nodes_1): Remove.  Update all users.
1242         (insert_phi_nodes): Remove second argument.  Update all
1243         users.
1244         (maybe_replace_use, maybe_replace_def): New.
1245         (rewrite_update_stmt): Call them.
1246         (mark_def_interesting): Remove calls to is_gimple_reg.
1247         (prepare_phi_args_for_update): Remove.  Update all users.
1248         (prepare_block_for_update): Only process virtual operands
1249         and GIMPLE registers in normal form.
1250         (prepare_use_sites_for): New.
1251         (prepare_names_to_update): Rename from prepare_def_sites.
1252         Call prepare_use_sites_for.
1253         (dump_update_ssa): Rename from dump_repl_tbl.
1254         Update all users.
1255         Show statistics for virtual mapping heuristic.
1256         (debug_update_ssa): Rename from debug_debug_repl_tbl.
1257         (init_update_ssa): Initialize UPDATE_SSA_STATS.
1258         (delete_update_ssa): Make extern.
1259         (mark_set_for_renaming): If the set is empty, do nothing.
1260         (release_ssa_name_after_update_ssa): Update comment.
1261         (insert_updated_phi_nodes_for): Do not remove existing
1262         PHI nodes for symbols.
1263         (switch_virtuals_to_full_rewrite_p): New.
1264         (switch_virtuals_to_full_rewrite): New.
1265         (update_ssa): Call them.
1266         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
1267         for every statement before updating.
1268         If all the names in NEW_SSA_NAMES have been marked for
1269         removal, do nothing.
1270         Only start at the top of the CFG if there are symbols in
1271         SYMS_TO_RENAME.
1272         (ssa_rewrite_finalize_block): Remove.
1273         (ssa_register_new_def): Remove.
1274         (ssa_rewrite_stmt): Remove.
1275         (ssa_rewrite_phi_arguments): Remove.
1276         (ssa_rewrite_initialize_block): Remove.
1277         (ssa_mark_def_sites): Remove.
1278         (ssa_mark_def_sites_initialize_block): Remove.
1279         (ssa_mark_phi_uses): Remove.
1280         (rewrite_ssa_into_ssa): Remove.
1281         * tree-phinodes.c (find_phi_node_for): Remove.
1282         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1283         Call update_ssa.
1284         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
1285         Remove calls to verify_dominators and
1286         verify_loop_structure.
1287         (tree_unswitch_single_loop): Call update_ssa.
1288         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
1289         returns false.
1290         Call verify_stmts.
1291         (delete_tree_ssa): Assert that need_ssa_update_p returns
1292         false.
1293         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
1294         * tree-vectorizer.c (allocate_new_names, rename_def_op,
1295         free_new_names): Remove.  Update all users.
1296         (rename_use_op): Call get_current_def.
1297         (rename_variables_in_bb): Do not handle any real or
1298         virtual definition.
1299         (slpeel_update_phis_for_duplicate_loop): Call
1300         get_current_def and set_current_def instead of using
1301         SSA_NAME_AUX.
1302         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
1303         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
1304         ssa_names_to_replace and delete_update_ssa.
1305         * doc/invoke.texi: Document --param min-virtual-mappings
1306         and --param virtual-mappings-ratio.
1307
1308 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1309
1310         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
1311         for newly created PHI nodes.
1312         Call create_new_def_for for every new V_MAY_DEF and
1313         V_MUST_DEF on the copied statement.
1314         (struct ssa_name_map_entry): Remove.
1315         (ssa_name_map_entry_hash): Remove.
1316         (ssa_name_map_entry_eq): Remove.
1317         (allocate_ssa_names): Remove.
1318         (rewrite_to_new_ssa_names_def): Remove.
1319         (rewrite_to_new_ssa_names_use): Remove.
1320         (rewrite_to_new_ssa_names_bb): Remove.
1321         (rewrite_to_new_ssa_names): Remove.
1322         (tree_duplicate_sese_region): Remove variables ver,
1323         definitions, phi, ssa_name_map and bi.
1324         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
1325         Call update_ssa.
1326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1327         update_ssa instead of rewrite_ssa_into_ssa.
1328         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
1329         create_new_def_for.
1330         (find_uses_to_rename_use): Add argument 'need_phis'.
1331         (find_uses_to_rename_stmt): Do not scan virtual operands.
1332         (find_uses_to_rename): Only scan PHI nodes for
1333         non-virtual names.
1334         (rewrite_into_loop_closed_ssa): Call update_ssa.
1335         (check_loop_closed_ssa_use): Ignore virtual operands.
1336         (check_loop_closed_ssa_stmt): Likewise.
1337         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
1338         NULL.
1339         (rename_variables, set_phi_def_stmts): Remove.
1340         (tree_duplicate_loop_to_header_edge): Reformat comment.
1341         Remove variables BB, I and DEFINITIONS.
1342         Call need_ssa_update_p.
1343         Call update_ssa.
1344         (lv_adjust_loop_header_phi): Reformat comment.
1345         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
1346         (marked_for_rewrite_p, any_marked_for_rewrite_p,
1347         mark_for_rewrite, unmark_all_for_rewrite,
1348         marked_ssa_names): Remove.  Update all users.
1349         (release_ssa_name): If VAR has been registered for SSA
1350         updating, do nothing.
1351         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
1352         (build_assert_expr_for): Call register_new_name_mapping.
1353         (insert_range_assertions): Update call to update_ssa.
1354         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
1355         marked_for_rewrite_p, any_marked_for_rewrite_p,
1356         marked_ssa_names): Remove.
1357
1358 2005-04-22  Jeff Law  <law@redhat.com>
1359
1360         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
1361         (restore_currdefs_to_original_value): Likewise.
1362         (register_definitions_for_stmt): Likewise.
1363         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
1364         for each variable.  Do not allocate/free block_defs_stack either.
1365         Do not iterate if we just thread jumps.  Only iterate if the
1366         tree_cleanup_cfg does useful work (temporary).
1367         (dom_opt_initialize_block): No longer push a marker on
1368         BLOCK_DEFS_STACK.
1369         (dom_opt_finalize_block): Removal call to restore currdefs.
1370         Relax restrictions for recording edge equivalences.
1371         (record_equivalences_from_phis): No longer need to track
1372         CURRENT_DEF.
1373         (optimize_stmt): Similarly.
1374         (thread_across_edge): Simplify by removing the requirement that
1375         statements in the block we are threading through must be nops.
1376         (initialize_hash_element): Handle GOTO_EXPR.
1377
1378 2005-04-22  David S. Miller  <davem@davemloft.net>
1379
1380         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
1381         CONST_DOUBLE_HIGH.
1382         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
1383         fix check on CONST_DOUBLE mode.  It should be VOIDmode
1384         when it is representing an integer.
1385
1386 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1387
1388         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
1389         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
1390         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
1391         find_char_info_specifier_index,
1392         find_length_info_modifier_index): Likewise.
1393         * c-typeck.c (composite_type, pop_init_level): Likewise.
1394         * combine.c (cant_combine_insn_p, try_combine): Likewise.
1395         * cse.c (cse_insn): Likewise
1396         * dominance.c (calc_dfs_tree): Likewise
1397         dwarf2out.c (loc_descriptor_from_tree_1,
1398         add_abstract_origin_attribute, force_decl_die,
1399         force_type_die): Likewise
1400         emit-rtl.c (operand_subword_force): Likewise
1401         explow.c (hard_function_value): Likewise
1402         expmed.c (store_bit_field, expand_divmod,
1403         emit_store_flag_force): Likewise
1404         expr.c (emit_move_multi_word, store_expr,
1405         expand_expr_real_1): Likewise
1406         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
1407         output_operand): Likewise
1408         flow.c (recompute_reg_usage): Likewise
1409         * function.c (assign_stack_temp_for_type, assign_temp, 
1410         handle_epilogue_set): Likewise
1411         * genextract.c (main): Likewise
1412         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
1413         gimplify_modify_expr_rhs, gimplify_expr): Likewise
1414         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
1415         ready_remove, rm_line_notes, rm_other_notes,
1416         schedule_block): Likewise
1417         mips-tfile.c (copy_object, out_of_bounds): Likewise
1418
1419 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
1420
1421         PR target/20813
1422         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
1423         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
1424         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
1425         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
1426         TARGET_XL_COMPAT.
1427         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
1428
1429 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1430
1431         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
1432         (gcc_tree_to_linear_expression): Convert to heap allocated
1433         vectors.
1434         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
1435         lbv_to_gcc_expression, lle_to_gcc_expression,
1436         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
1437         perfect_nestify): Likewise.
1438         lambda.h (gcc_loopnest_to_lambda_loopnest,
1439         lambda_loopnest_to_gcc_loopnest): Likewise.
1440         tree-loop-linear.c (linear_transform_loops): Likewise.
1441
1442 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1443
1444         * config/sparc/predicates.md (arith_double_operand): Use
1445         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
1446         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
1447         (DImode, DFmode constant splitters): Likewise.  Remove code for
1448         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
1449         (logical constant splitters): Use const_int_operand predicate.
1450         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
1451         HOST_BITS_PER_WIDE_INT < 64.
1452
1453 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1454
1455         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
1456         gcc_unreachable as appropriate.
1457         (force_mode, emit_move_sequence, singlemove_string,
1458         output_move_double, output_fp_move_double, find_addr_reg,
1459         output_block_move, output_block_clear, output_and,
1460         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
1461         pa_adjust_cost, pa_issue_rate, print_operand,
1462         output_global_address, output_arg_descriptor, output_cbranch,
1463         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
1464         output_call): Likewise.
1465         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
1466         prefetch, prefetch_cc, prefetch_nocc): Likewise.
1467
1468 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
1469
1470         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
1471         _gcov_pow2_profiler and _gcov_one_value_profiler.
1472         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
1473         (GTFILES): Add $(srcdir)/tree-profile.c.
1474         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
1475         __gcov_one_value_profiler): Declare.
1476         * gimplify.c (force_gimple_operand): Check whether the statements
1477         should be produced in ssa form.
1478         (force_gimple_operand_bsi): New function.
1479         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
1480         __gcov_one_value_profiler): New functions.
1481         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
1482         the profiled value is a power of two or not.
1483         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
1484         * tree-flow.h (in_ssa_p): Declare.
1485         (force_gimple_operand_bsi): Declare.
1486         * tree-into-ssa.c (in_ssa_p): New variable.
1487         (rewrite_into_ssa): Set in_ssa_p.
1488         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
1489         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
1490         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
1491         tree_one_value_profiler_fn): New variables.
1492         (tree_init_edge_profiler): Initialize the profiler function decls.
1493         (tree_gen_edge_profiler): Use global gcov_type_node.
1494         (prepare_instrumented_value): New function.
1495         (tree_gen_interval_profiler, tree_gen_interval_profiler,
1496         tree_gen_one_value_profiler): Call the library functions instead of
1497         creating instrumentation code.
1498         * tree.c (build_fn_decl): New function.
1499         * tree.h (build_fn_decl): Declare.
1500         * value-prof.c (rtl_divmod_values_to_profile,
1501         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
1502         tree_mod_pow2_value_transform, tree_find_values_to_profile):
1503         Do not handle may_be_other and precise values of exponents at pow2
1504         profiler.
1505         (tree_mod_subtract_transform): Reflect that value field of
1506         histogram has changed meaning.
1507         (tree_divmod_values_to_profile): Record the values correctly.
1508         (tree_values_to_profile): Update comment.
1509         * value-prof.h (struct histogram_value_t): Remove pow2 data.
1510
1511 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
1512
1513         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
1514         (decl).
1515
1516 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
1517
1518         * config/i386/i386.md (length_immediate): Use gcc_assert or
1519         gcc_unreachable, as appropriate.
1520         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
1521         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
1522         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
1523         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
1524         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
1525         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
1526         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
1527         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
1528         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
1529         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
1530         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
1531         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
1532         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
1533         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
1534         *prefetch_sse_rex): Likewise.
1535         * config/i386/predicates.md (x86_64_immediate_operand,
1536         x86_64_zext_immediate_operand, symbolic_operand,
1537         no_seg_address_operand, aligned_operand,
1538         memory_displacement_operand): Likewise.
1539         * config/i386/sse.md (*mov<mode>_internal,
1540         *movv2df_internal): Likewise.
1541
1542 2005-04-22  Jan Hubicka  <jh@suse.cz>
1543
1544         * Makefile.in (ipa.o, ipa-inline.o): New files.
1545         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
1546         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
1547         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
1548         * cgraphunit.c (cgraph_default_inline_p,
1549         cgraph_decide_inlining_incrementally,  ncalls_inlined,
1550         nfunctions_inlined, initial_insns, overall_insns, 
1551         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
1552         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
1553         cgraph_mark_inline, cgraph_check_inline_limits,
1554         cgraph_default_inline_p, cgraph_recursive_inlining_p,
1555         update_callee_keys, lookup_recursive_calls,
1556         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
1557         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
1558         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
1559         pass_ipa_inline): Move to ipa-inline.c
1560         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
1561         * ipa.c: New file.
1562         * ipa-inline.c: New file.
1563
1564 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1565
1566         * doc/invoke.texi (SPARC options): Document that -mapp-regs
1567         is turned off by default on Solaris.
1568
1569 2005-04-21  Roger Sayle  <roger@eyesopen.com>
1570
1571         * c-common.h (objc_build_method_signature): Update prototype.
1572         * stub-objc.c (objc_build_method_signature): Update the stub
1573         implementation to accept and ignore additional parameter.
1574         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
1575         the value of ellipsis to objc_build_method_signature instead
1576         of setting TREE_OVERFLOW on the parms TREE_LIST node.
1577
1578 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
1579
1580         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
1581         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
1582         gen_rtx_* not gen_rtx_fmt_*.
1583         (rs6000_emit_vector_select): Likewise.
1584         (rs6000_emit_sync): New.
1585         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
1586         (larx, stcx, cmp): New mode substitutions.
1587         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
1588         UNSPEC_ISYNC): New constants.
1589         (rlwinm): Give name.
1590         (memory_barrier, isync, lwsync): New insns.
1591         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
1592         (sync_lock_release<mode>): New expander.
1593         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
1594         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
1595         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
1596         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
1597         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
1598         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
1599         (sync_add<mode>_internal, sync_addshort_internal,
1600         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
1601         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
1602         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
1603
1604         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
1605         is the memory before, not after, the operation.  Clarify
1606         barrier requirements.
1607
1608 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1609
1610         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
1611         * lambda.h (lambda_vector_min_nz): Likewise.
1612         * langhooks.h (struct lang_hooks_for_types,
1613         struct lang_hooks): Likewise.
1614         * output.h (assemble_integer, this_is_asm_operands): Likewise.
1615         * tree.h: Likewise.
1616         * vec.h: Likewise.
1617         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
1618         
1619         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
1620         comments to avoid 'abort'.  Use gcc_assert as necessary.
1621         * opts.c (common_handle_option): Likewise.
1622         * pretty-print.c (pp_base_format_text): Likewise.
1623         * print-rtl.c (print_rtx): Likewise.
1624         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
1625         * regmove.c (try_auto_increment): Likewise.
1626         * reload.c (find_valid_class, find_reloads_toplev,
1627         find_equiv_reg): Likewise.
1628         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
1629         merge_assigned_reloads): Likewise.
1630         * tree-inline.c (inline_forbidden_p_1,
1631         estimate_num_insns_1): Likewise.
1632         * tree-optimize.c (execute_todo): Likewise.
1633         * tree-outof-ssa.c (eliminate_phi): Likewise.
1634         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1635         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
1636         * tree-ssa-operands.c (parse_ssa_operands,
1637         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
1638         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
1639         * tree-ssanames.c (release_ssa_name): Likewise.
1640         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
1641         walk_tree): Likewise.
1642
1643         * tree-ssa-operands.c (verify_abort): Fold into ..
1644         (verify_imm_links): ... here.
1645
1646 2005-04-21  Richard Henderson  <rth@redhat.com>
1647
1648         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
1649         on non-memory operand for previous inversion.
1650
1651 2005-04-21  Devang Patel  <dpatel@apple.com>
1652
1653         PR optimization/20994
1654         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
1655         x = !(a == b) : p , q;.
1656         (pass_if_conversion): Verify stmts and flow.
1657         
1658 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1659
1660         * optabs.c (gen_conditional_trap): Restore #define.
1661
1662         * alias.c (true_dependence): Remove 'abort' from comments. Use
1663         gcc_assert and gcc_unreachable as appropriate.
1664         (canon_true_dependence): Likewise.
1665         * bb-reorder.c (connect_traces): Likewise.
1666         * c-common.c (c_add_case_label): Likewise.
1667         * c-decl.c (finish_function): Likewise.
1668         * caller-save.c (insert_restore, insert_save): Likewise.
1669         * cfg.c (update_bb_profile_for_threading): Likewise.
1670         * cfganal.c (flow_active_insn_p): Likewise.
1671         * cfgexpand.c (add_reg_br_prob_note): Likewise.
1672         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
1673         cfg_layout_merge_blocks): Likewise.
1674         * ifcvt.c (cond_exec_process_insns, merge_if_block,
1675         find_if_block): Likewise.
1676         * integrate.c (allocate_initial_values): Likewise.
1677         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
1678         swap_condition, unsigned_condition, signed_condition,
1679         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
1680         reg_or_subregno): Likewise.
1681         * lambda-code.c (lambda_compute_auxillary_space,
1682         lambda_transform_legal_p): Likewise.
1683         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
1684         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
1685         lhd_incomplete_type_error, lhd_expand_expr,
1686         lhd_types_compatible_p, lhd_tree_size): Likewise.
1687         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
1688         * local-alloc.c (update_equiv_regs): Likewise.
1689         * loop-unroll.c (peel_loop_completely
1690         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1691         peel_loop_simple, unroll_loop_stupid,
1692         analyze_iv_to_split_insn): Likewise.
1693         * loop.c (gen_prefetch, find_and_verify_loops,
1694         basic_induction_var): Likewise.
1695         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
1696         * value-prof.c (tree_find_values_to_profile): Likewise.
1697         * varasm.c (named_section, default_assemble_integer,
1698         decode_addr_const): Likewise.
1699
1700 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
1701            Fariborz Jahanian <fjahanian@apple.com>
1702
1703         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
1704         portion of argument passed in fpr.
1705         * expr.c (emit_push_insn): Fix computation of 'offset' used to
1706         decide on partial argument save on stack.
1707
1708 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
1709
1710         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
1711         comment typos.
1712
1713 2005-04-21  Jan Hubicka  <jh@suse.cz>
1714
1715         * cgraphunit.c: Include tree-pass.h
1716         (cgraph_decide_recursive_inlining,
1717         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
1718         cgraph_decide_inlining): Dump goes to dump_file.
1719         (cgraph_optimize): Call ipa passes instead of inliner.
1720         (cgraph_gate_inlining, pass_ipa_inline): New.
1721         * tree-optimize.c (all_ipa_passes): New static variable.
1722         (register_one_dump_file): Dead with IPA passes.
1723         (register_dump_files): Likewise.
1724         (init_tree_optimization_passes): Initialize IPA passes.
1725         (execute_todo): Do cgraph dump when asked to, do not dump function body
1726         for IPA pass.
1727         * tree-pass.h (TODO_dump_cgraph): New macro.
1728         (ipa_passes): Declare.
1729         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
1730
1731 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1732
1733         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
1734         gcc_assert instead of abort.
1735         (classify_argument, examine_argument, construct_container,
1736         contains_128bit_aligned_vector_p, ix86_check_movabs,
1737         standard_80387_constant_opcode, standard_80387_constant_rtx,
1738         ix86_initial_elimination_offset, ix86_compute_frame_layout,
1739         pro_epilogue_adjust_stack, ix86_expand_epilogue,
1740         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
1741         legitimize_tls_address, output_pic_addr_const,
1742         i386_output_dwarf_dtprel, put_condition_code, print_reg,
1743         get_some_local_dynamic_name, print_operand, print_operand_address,
1744         output_387_binary_op, emit_i387_cw_initialization,
1745         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
1746         ix86_expand_clear, ix86_expand_binary_operator,
1747         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
1748         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
1749         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
1750         ix86_expand_branch, ix86_expand_setcc,
1751         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
1752         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
1753         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
1754         memory_address_length, ix86_attr_length_immediate_default,
1755         ix86_attr_length_address_default, ix86_agi_dependant,
1756         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
1757         ix86_expand_binop_builtin, ix86_force_to_memory,
1758         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
1759         x86_emit_floatuns): Likewise.
1760         * config/i386/netware.c (gen_regparm_prefix,
1761         i386_nlm_strip_name_encoding): Likewise.
1762         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
1763
1764 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1765
1766         * optabs.c (gen_condiational_trap): Remove #define.
1767         (add_equal_note): Assertify. Remove explicit indirection from
1768         call via function pointer.
1769         (expand_ternary_op, expand_simple_binop, expand_binop,
1770         expand_twoval_unop, expand_twoval_binop,
1771         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
1772         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
1773         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
1774         prepare_float_lib_cmp, emit_conditional_move,
1775         emit_conditional_add, gen_add2_insn, gen_add3_insn,
1776         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
1777         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
1778         vector_compare_rtx, expand_vec_cond_expr): Likewise.
1779
1780 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
1781
1782         * vec.h: Update API to separate allocation mechanism from type.
1783         (VEC_safe_grow): New.
1784         * vec.c (calculate_allocation): New.
1785         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
1786         (vec_gc_free, vec_heap_free): Remove.
1787         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
1788         (VEC): Likewise.
1789         (mangle_macro_name): New.
1790         (struct macro_def): New.
1791         (struct macro): Add multiple argument values.
1792         (macro_expans_end): New.
1793         (push_macro_expansion):  Chain on new macro. Process multiple
1794         args, create follow on expansion. Return follow on argument.
1795         (macro_input): Deal with multiple arguments.
1796         
1797         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
1798         (struct tree_binfo): Adjust.
1799         * basic-block.h: Define VEC(edge,gc).
1800         (struct edge_def): Adjust.
1801         (struct basic_block_def, struct edge_iterator): Likewise.
1802         (ei_container, ei_start_1, ei_last_1): Likewise.
1803         * cfg.c (connect_src, connect_dest): Likewise.
1804         * cfgrtl.c (force_nonfallthru_and_redirect)
1805         * dbxout.c (dbxout_type)
1806         * dwarf2out.c (gen_member_die)
1807         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
1808         (gcc_tree_to_linear_expression): Adjust.
1809         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
1810         lbv_to_gcc_expression, lle_to_gcc_expression,
1811         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
1812         perfect_nestify): Likewise.
1813         * lambda.h (gcc_loopnest_to_lambda_loopnest,
1814         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
1815         * profile.c (instrument_values): Adjust.
1816         * tree-cfg.c (modified_noreturn_calls): Adjust.
1817         (remove_fallthru_edge): Likewise.
1818         * tree-dump.c (dequeue_and_dump): Adjust.
1819         * tree-flow-inline.h (mark_stmt_modified): Adjust.
1820         * tree-flow.h (modified_noreturn_calls): Adjust.
1821         (tree_on_heap): Remove. (yay!)
1822         (register_new_def): Adjust.
1823         * tree-into-ssa.c: Define VEC(int,heap).
1824         (block_defs_stack): Adjust.
1825         (find_idf, insert_phi_nodes, register_new_def,
1826         rewrite_initialize_block, rewrite_finalize_block,
1827         register_new_update_single, rewrite_update_init_block,
1828         rewrite_update_fini_block, rewrite_blocks,
1829         ssa_rewrite_finalize_block, ssa_register_new_def,
1830         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
1831         * tree-loop-linear.c (linear_transform_loops): Adjust.
1832         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
1833         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
1834         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
1835         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
1836         vrp_variables_stack): Adjust declarations.
1837         (tree_ssa_dominator_optimize): Adjust.
1838         (dom_opt_initialize_block, remove_local_expressions_from_table,
1839         restore_nonzero_vars_to_original_value,
1840         restore_vars_to_original_value,
1841         restore_currdefs_to_original_value, dom_opt_finalize_block,
1842         record_var_is_nonzero, record_cond, record_const_or_copy_1,
1843         optimize_stmt, update_rhs_and_lookup_avail_expr,
1844         lookup_avail_expr, record_range): Likewise.
1845         * tree-ssa-pre.c: Define VEC(basic_block,heap).
1846         (compute_antic_aux): Adjust.
1847         (inserted_exprs, create_expression_by_pieces, 
1848         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
1849         remove_dead_inserted_code, fini_pre): Likewise.
1850         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
1851         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
1852         ssa_prop_init): Likewise.
1853         * tree-ssa.c: Define VEC(bitmap,heap).
1854         (verify_name_tags): Adjust.
1855         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
1856         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
1857         tree_divmod_values_to_profile, tree_find_values_to_profile,
1858         value_profile_transformations): Likewise.
1859         * value-prof.h: Define VEC(histogram_value,heap).
1860         * varasm.c: Remove alias_pair pointer typedef, define
1861         VEC(alias_pair,gc).
1862         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
1863         
1864         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
1865         not a pointer to it.  Create an object vector.
1866         (extern_symbols): Turn into an object vector.
1867         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
1868
1869 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
1870
1871         PR/20742
1872         * Makefile.in (tree-chrec.o): Depend on params.h.
1873         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
1874         default value 20.
1875         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
1876         and fold build with fold_buildN.
1877         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
1878         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1879         (tree_contains_chrecs): Compute an estimation of the size of the
1880         given expression.
1881         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
1882         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
1883         * tree-scalar-evolution.c (simple_iv): Ditto.
1884         * doc/invoke.texi (scev-max-expr-size): Documented.
1885
1886 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
1887
1888         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
1889         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
1890         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
1891         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
1892         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
1893         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
1894         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
1895         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
1896         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
1897         (darwin_fix_and_continue_switch): Delete.
1898         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
1899         (SUBTARGET_SWITCHES): Delete.
1900         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
1901         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
1902         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
1903         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
1904         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
1905         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
1906         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
1907         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
1908         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
1909         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
1910         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
1911         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
1912         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
1913         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
1914         (TARGET_64BIT): Undef before redefining.
1915         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
1916         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
1917         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
1918         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
1919         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
1920         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
1921         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
1922         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1923         (ix86_debug_arg_string, ix86_debug_addr_string)
1924         (ix86_align_loops_string, ix86_align_jumps_string)
1925         (ix86_align_funcs_string): Delete.
1926         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
1927         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
1928         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
1929         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
1930         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
1931         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
1932         (SUBTARGET_SWITCHES): Delete.
1933         * config/i386/i386.c (ix86_debug_arg_string): Delete.
1934         (ix86_debug_addr_string): Delete.
1935         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
1936         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
1937         (ix86_align_loops_string, ix86_align_jumps_string)
1938         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1939         (ix86_align_funcs_string): Make static.
1940         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1941         (ix86_handle_option): New function.
1942         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
1943         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
1944         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
1945         of darwin_fix_and_continue_switch.
1946         (darwin_one_byte_bool): Delete.
1947         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1948         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
1949         to darwin_one_byte_bool.
1950         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
1951         * config/i386/djgpp.opt, config/i386/i386.opt,
1952         * config/i386/sco5.opt: New files.
1953
1954 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1955
1956         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
1957         fp_zero_operand, fp_register_operand, intreg_operand,
1958         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
1959         call_operand, call_operand_address, tgd_symbolic_operand,
1960         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
1961         symbolic_operand, symbolic_memory_operand, label_ref_operand,
1962         sp64_medium_pic_operand, data_segment_operand,
1963         text_segment_operand, splittable_symbolic_memory_operand,
1964         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
1965         eq_or_neq, normal_comp_operator, noov_compare_op,
1966         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
1967         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
1968         const64_operand, const64_high_operand, arith11_operand,
1969         arith10_operand, arith_double_operand, arith_double_4096_operand,
1970         arith_double_add_operand, arith11_double_operand,
1971         arith10_double_operand, small_int, small_int_or_double,
1972         uns_small_int, uns_arith_operand, clobbered_register,
1973         input_operand, compare_operand): Delete.
1974         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
1975         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
1976         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
1977         (GEN_HIGHINT64, GEN_INT64): Delete.
1978         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1979         gen_safe_XOR64): Adjust for above deletion.
1980         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
1981         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
1982         (legitimate_constant_p): Use const_zero_operand instead.
1983         (sparc_extra_constraint_check): Likewise.
1984         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
1985         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
1986         (PREDICATE_CODES): Delete.
1987         * config/sparc/sparc.md: Include predicates.md.
1988         (All patterns): Adjust for new predicate names.
1989         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
1990         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
1991         (movdi): Use general_operand predicate.
1992         (movdi_sp64_dbl): Delete.
1993         (movdi_const64_special): Add 'N' constraint.
1994         (movdicc): Use arith10_operand predicate.
1995         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
1996         (movdi_cc_reg_sp64): Use arith10_operand predicate.
1997         (movdi_cc_reg_sp64_trunc): Delete.
1998         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
1999         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
2000         (subdi3_sp32): Delete.
2001         (subdi3_insn_sp32): Change to define_insn_and_split.
2002         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
2003         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
2004         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
2005         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
2006         small_int_operand predicate.
2007         (divdi3, udivdi3): Use arith_operand predicate.
2008         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
2009         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
2010         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
2011         (xordi3_sp64_dbl): Delete.
2012         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2013         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
2014         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
2015         cmp_ccx_set_not): Use arith_operand predicate.
2016         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
2017         * config/sparc/predicates.md: New file.
2018
2019 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2020
2021         PR tree-optimization/14846
2022         * fold-const.c (fold_single_bit_test_into_sign_test): New,
2023         split out from ...
2024         (fold_single_bit_test): ... here.
2025         (fold_binary): Call fold_single_bit_test_into_sign_test
2026         instead of fold_single_bit_test.
2027
2028 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2029
2030         PR c++/20805
2031         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2032         is another declaration.
2033
2034 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
2035
2036         * config/cris/predicates.md: New file.
2037         * config/cris/cris-protos.h (cris_store_multiple_op_p)
2038         (cris_movem_load_rest_p): Declare.
2039         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
2040         (cris_movem_load_rest_p): Ditto.  Globalize.
2041         (cris_bdap_operand, cris_bdap_biap_operand,
2042         cris_orthogonal_operator, cris_commutative_orth_op,
2043         cris_operand_extend_operator,
2044         cris_additive_operand_extend_operator, cris_extend_operator,
2045         cris_plus_or_bound_operator, cris_mem_op,
2046         cris_general_operand_or_symbol,
2047         cris_general_operand_or_gotless_symbol,
2048         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
2049         cris_load_multiple_op): Remove predicate functions.
2050         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
2051         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
2052         * config/cris/cris.h (PREDICATE_CODES): Don't define.
2053         * config/cris/cris.md: Include predicates.md.
2054         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
2055
2056 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2057
2058         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
2059         * c-common.h (STMT_EXPR_STMT): Don't define.
2060         (STMT_EXPR_NO_SCOPE): Don't define.
2061         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
2062         * c-pretty-print.c (pp_c_primary_expression): Likewise.
2063         (pp_c_expression): Likewise.
2064
2065 2005-04-20  Richard Henderson  <rth@redhat.com>
2066
2067         PR target/21100
2068         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2069
2070 2005-04-20  Jeff Law  <law@redhat.com>
2071
2072         * reload1.c (reload): Ignore equivalences between pseudos and
2073         read only memory.
2074
2075 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
2076
2077         PR c/12913
2078         * c-tree.h (struct c_label_list): Update comment.
2079         (struct c_label_context): Rename to struct c_label_context_se.
2080         (label_context_stack): Rename to label_context_stack_se.
2081         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
2082         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
2083         c_end_vm_scope): New.
2084         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
2085         * c-decl.c (pop_scope): Call c_end_vm_scope.
2086         (pushdecl): Call c_begin_vm_scope for variably modified
2087         declarations.
2088         (define_label): Check for jumping into scope of identifier with
2089         variably modified type.  Push label on stack for those defined at
2090         current context of identifiers with variably modified type.
2091         (start_function): Create stack level for context of identifiers
2092         with variably modified type.
2093         (finish_function): Pop stack level for context of identifiers with
2094         variably modified type.
2095         * c-typeck.c (label_context_stack): Rename to
2096         label_context_stack_se.
2097         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
2098         (c_finish_goto_label): Check for jumping into scope of identifier
2099         with variably modified type.  Push label on stack for those jumped
2100         to from current context of identifiers with variably modified
2101         type.
2102         (struct c_switch): Add blocked_vm.
2103         (c_start_case): Initialize blocked_vm.
2104         (do_case): Check blocked_vm.
2105         (c_finish_case): Add comment.
2106         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
2107         variable label_context_stack.
2108
2109 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2110
2111         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
2112         conditional_replacement, value_replacement, abs_replacement,
2113         minmax_replacement.
2114         (replace_phi_edge_with_variable): Remove argument BB.
2115         (conditional_replacement, value_replacement,
2116         minmax_replacement, abs_replacement): Remove argument PHI_BB.
2117         Update a call to replace_phi_edge_with_variable.
2118
2119         * tree-ssa-phiopt.c: Fix comments.
2120
2121 2005-04-20  Michael Matz  <matz@suse.de>
2122
2123         PR20973
2124         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
2125         pseudos.
2126
2127 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2128
2129         * tree-ssa-phiopt.c: Fix comment typos.
2130
2131         PR tree-optimization/21116
2132         * tree-ssa-phiopt.c: Fix a typo.
2133
2134 2005-04-19  Richard Henderson  <rth@redhat.com>
2135
2136         * builtins.c (expand_builtin_sync_operation): Revert last change.
2137         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
2138         not vs new value.
2139         (expand_compare_and_swap_loop): Likewise.
2140         (expand_sync_operation): Remove fallback from NAND to AND; invert
2141         memory operand when expanding from cmpxchg.
2142         (expand_sync_fetch_operation): Likewise.
2143         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
2144         compare-and-swap.
2145
2146         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
2147         when implementing NAND.  Fix double-add for AFTER.
2148         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
2149         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2150         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
2151         memory value.
2152         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
2153         memory barrier.
2154
2155         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
2156         to return old memory value.
2157         (sync_compare_and_swap_cc<IMODE>): Likewise.
2158
2159         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
2160         return pre-reload.  Don't consider output or anti dependencies.
2161         * config/ia64/sync.md (IMODE): New.
2162         (modesuffix): Add QI and HI.
2163         (memory_barrier): Simplify expansion.
2164         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
2165         (cmpxchg_acq_<IMODE>): Likewise.
2166         (sync_lock_test_and_set<IMODE>): Likewise.
2167         (sync_lock_release<IMODE>): Likewise.
2168
2169 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2170
2171         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
2172         ~X or ~Y simplify.
2173
2174 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2175
2176         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
2177
2178 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
2179             Joseph S. Myers  <joseph@codesourcery.com>
2180
2181         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
2182         * c-typeck.c (build_c_cast): Check these options.
2183         * doc/invoke.texi: Document these options.
2184
2185 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2186
2187         * tree-ssa-phiopt.c: Update a comment about the pass.
2188
2189 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2190
2191         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
2192         config/mcore/mcore.c: Fix comment typos.
2193
2194 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
2195
2196         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
2197         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
2198
2199 2005-04-19  Paul Brook  <paul@codesourcery.com>
2200
2201         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
2202
2203 2005-04-19  Andrew Haley  <aph@redhat.com>
2204
2205         PR java/21022
2206         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
2207         looking at a field's bitpos.
2208
2209 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2210
2211         * system.h (fopen, fdopen, freopen): Define these to the unlocked
2212         libiberty functions.
2213
2214 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2215
2216         PR tree-optimization/21096
2217         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
2218
2219 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
2220
2221         PR target/21098
2222         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
2223         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
2224
2225 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
2226
2227         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
2228         refers to the function being dumped.
2229
2230 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
2231
2232         * varasm.c (assemble_start_function): Remove reset of in_section.
2233
2234 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2235
2236         PR tree-optimization/21085
2237         * fold-const (fold_binary): Don't change X % -C to X % C if C has
2238         overflowed.
2239
2240 2005-04-19  Ben Elliston  <bje@au.ibm.com>
2241
2242         * doc/invoke.texi (Optimize Options): Refer to the correct
2243         optimisation flag -ftree-dominator-opts, not -ftree-dom.
2244
2245 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
2246
2247         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
2248         alloca argument to be big enough.
2249
2250 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
2251
2252         PR middle-end/21049
2253         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
2254         cfun->cfg are NULL.
2255
2256 2005-04-18  Tom Tromey  <tromey@redhat.com>
2257
2258         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
2259         typo.
2260
2261 2005-04-18  Richard Henderson  <rth@redhat.com>
2262
2263         * config/alpha/alpha.c (alpha_split_atomic_op): New.
2264         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
2265         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
2266         * config/alpha/alpha-protos.h: Update.
2267         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
2268         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
2269         (attr type): Add ld_l, st_c, mb.
2270         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
2271         iornotsi3, xorsi_internal, xornotsi3): New.
2272         * config/alpha/ev4.md (ev4_ld): Add ld_l.
2273         (ev4_ist_c, ev4_mb): New.
2274         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
2275         (ev5_ld_l): New.
2276         * config/alpha/ev6.md (ev6_ild): Add ld_l.
2277         (ev6_ist): Add st_c.
2278         (ev6_mb): New.
2279         * config/alpha/sync.md: New file.
2280
2281 2005-04-18  Richard Henderson  <rth@redhat.com>
2282
2283         * builtins.c (expand_builtin_sync_operation): Fold nand to and
2284         for constants.
2285
2286         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
2287
2288 2005-04-18  Devang Patel  <dpatel@apple.com>
2289
2290         * config/rs6000/atlivec.md (mulv4si3): New pattern.
2291         
2292 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2293
2294         PR tree-optimization/20922
2295         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
2296         Fold X + c >= X and fold X - c <= X to true.
2297
2298 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2299
2300         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
2301         unsigned int.
2302         (emergency_labeled_state_free): Likewise.
2303
2304 2005-04-18  Nick Clifton  <nickc@redhat.com>
2305
2306         * config/h8300/h8300.md (jump): Remove prescan parameter from
2307         calls to final_scan_insn.
2308
2309         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
2310         parameter from calls to final_scan_insn.
2311
2312         * config.gcc (m68hc12): Use the m68hc11.opt file for target
2313         specific options.
2314         (v850e, v850e1): Use the v850.opt file for target specific
2315         options.
2316
2317 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
2318
2319         PR tree-optimization/21001
2320         * tree-optimize.c (init_tree_optimization_passes): Move the
2321         first pass_forwprop immediately before pass_vrp.
2322
2323 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2324
2325         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
2326         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
2327         from enum tree_code op to bool is_sizeof.
2328         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
2329         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
2330         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
2331         case.
2332         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
2333         cases.
2334         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
2335         ALIGNOF_EXPR cases.
2336
2337 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2338
2339         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
2340
2341 2005-04-17  Richard Henderson  <rth@redhat.com>
2342
2343         * config/alpha/alpha.c (va_list_skip_additions): Only define if
2344         TARGET_ABI_OSF.
2345         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
2346         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
2347         of indirection through ssa names while looking for the gpr counter
2348         field.
2349         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
2350         saved va_list_gpr_size and va_list_fpr_size.
2351
2352 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2353
2354         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
2355         both pointers or both integers.
2356
2357         * tree-vrp.c (maybe_add_assert_expr): Don't assert
2358         ASSERT_EXPRs for single-use variable.
2359
2360         * tree-into-ssa.c: Fix a comment typo.
2361
2362 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
2363
2364         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
2365         -mipsN before forcing a default of -mips2.
2366
2367 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2368
2369         * predict.h (IS_TAKEN): Remove.
2370         * rtl.h (NOTE_PREDICTION): Likewise.
2371
2372         * modulo-sched.c (CFG_HOOKS): Remove.
2373
2374         * c-parser.c (N_C_TTYPES): Remove.
2375
2376         * tree-flow-inline.h (get_stmt_operands): Remove.
2377         * lambda-code.c, tree-ssa-loop-unswitch.c,
2378         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
2379         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
2380         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
2381         calls to get_stmt_operands.
2382         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
2383
2384 2005-04-17  Richard Henderson  <rth@redhat.com>
2385
2386         PR target/20375
2387         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
2388         of CUMULATIVE_ARGS past the last named argument.
2389         (alpha_va_start): Expect pretend_args_size only if strictly less than
2390         6 named arguments.
2391
2392 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2393
2394         PR middle-end/21024
2395         * builtins.c (expand_builtin_strcat): Convert the result of
2396         strlen to the right type.
2397         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
2398         avoid creating type mismatches.
2399         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
2400         type mismatches.
2401
2402         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
2403
2404 2005-04-16  Richard Henderson  <rth@redhat.com>
2405
2406         PR target/21051
2407         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
2408         Use the mode of boolean_type_node when the user doesn't provide one.
2409         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
2410
2411 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
2412
2413         PR target/20126
2414         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
2415         (const)).
2416
2417         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
2418         comment.
2419
2420 2005-04-16  Roger Sayle  <roger@eyesopen.com>
2421             Steven Bosscher  <stevenb@suse.de>
2422
2423         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
2424         (fold_unary_to_constant): Likewise.
2425
2426 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
2427
2428         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
2429         PROP_ASM_SCAN.
2430
2431 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
2432
2433         * doc/install.texi (Specific): Avoid using asterisks in @anchor
2434         names related to target triplets.
2435         Remove i?86-*-esix from platform directory.
2436         Remove powerpc-*-eabiaix from platform directory.
2437
2438 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
2439
2440         PR middle-end/20491
2441         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
2442         falling through from SUBREG case to REG.
2443
2444 2005-04-15  Roger Sayle  <roger@eyesopen.com>
2445
2446         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
2447         (fold_binary): Update comment mentioning fold_relational_hi_lo.
2448         (fold_binary_to_constant): Simplify using fold_binary.
2449         (fold_unary_to_constant): Likewise, simplify using fold_unary.
2450
2451 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2452
2453         * gthr-posix.c (pthread_cancel): Define.
2454         (pthread_mutexattr_init): Likewise.
2455         (pthread_mutexattr_settype): Likewise.
2456         (pthread_mutexattr_destroy): Likewise.
2457
2458 2005-04-15  David S. Miller  <davem@davemloft.net>
2459
2460         PR target/20673
2461         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
2462
2463 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2464
2465         PR tree-optimization/21031
2466         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
2467         (forward_propagate_into_cond_1): Call it.  Forward propagate
2468         integer-integer casts into COND_EXPRs.
2469
2470 2005-04-15  Dave Korn  <dave.korn@artimi.com>
2471
2472         * gcc.c (default_compilers): Clarify obscure error message when
2473         reading from standard input.
2474
2475 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2476
2477         * basic-block.h (PROP_EQUAL_NOTES): Remove.
2478         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
2479
2480         * tree-ssa-alias.c (init_alias_info): Remove a call to
2481         get_stmt_operands.
2482
2483 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
2484
2485         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
2486         of non-virtual PHI nodes like we use to.
2487
2488 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
2489
2490         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
2491         (attr_copy_rtx): Do not use it.
2492
2493 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
2494
2495         * doc/tree-ssa.texi: Grammer/abbreviation updates.
2496
2497 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
2498
2499         * tree-vect-transform.c (vectorizable_store): Mark necessary
2500         objects in the vectorized store needing renaming.  Update the
2501         SSA graph for V_MAY_DEF operands in the original store.
2502
2503 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
2504
2505         * tree-ssa-pre.c (compute_avail): It's okay to have
2506         TREE_INVARIANT's here, and value number the resulting expressions.
2507         (create_expression_by_pieces): Make sure operands that were
2508         min_invariant when we started, stay that way.
2509
2510 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
2511
2512         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
2513
2514 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2515
2516         PR tree-optimization/20936.
2517         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
2518
2519 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2520
2521         * doc/invoke.texi: Fix typos.
2522         * doc/md.texi: Likewise.
2523         * doc/rtl.texi: Likewise.
2524         * doc/sourcebuild.texi: Likewise.
2525         * doc/tm.texi: Likewise.
2526
2527 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
2528
2529         PR tree-optimization/21004
2530         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
2531         and floorl in c99 mode only.
2532         * builtins.c (expand_builtin_int_roundingfn): Assert that
2533         fallback_fndecl is not NULL_TREE.
2534
2535 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
2536
2537         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
2538         * basic-block.h: Update the prototype for
2539         purge_all_dead_edges.
2540         * cfgexpand.c (tree_expand_cfg): Update a call to
2541         purge_all_dead_edges.
2542         * combine.c (combine_instructions): Likewise.
2543         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
2544         rest_of_handle_cse2, rest_of_handle_gcse,
2545         rest_of_handle_postreload): likewise.
2546
2547 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
2548
2549         PR middle-end/20739
2550         * gimplify.c (gimplify_addr_expr): Compensate for removal of
2551         e.g. cv-qualification conversions.
2552
2553 2005-04-14  Mike Stump  <mrs@apple.com>
2554
2555         * config/darwin-c.c (framework_construct_pathname): We must
2556         find all headers of a framework in the first instance of it
2557         found in the seach path.
2558
2559 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
2560
2561         PR tree-optimization/21021
2562         * tree-vrp.c (compare_values): Work around a bug in the front
2563         end that produces a comparison of mismatched types.
2564
2565 2004-04-14  Richard Henderson  <rth@redhat.com>
2566
2567         * config/ia64/ia64.h (enum fetchop_code): Remove.
2568         (enum ia64_builtins): Move ...
2569         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
2570         members except BSP and FLUSHRS.
2571         (ia64_init_builtins): Remove __sync builtins.
2572         (ia64_expand_builtin): Likewise.
2573         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
2574         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
2575         (ia64_expand_lock_release): Remove.
2576         * config/ia64/ia64.md (mf): Move to sync.md.
2577         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
2578         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
2579         * config/ia64/sync.md: New file.
2580         (memory_barrier): Rename from mf.
2581         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
2582         (cmpxchg_acq_<I48MODE>): Likewise.
2583         (sync_lock_test_and_set<I48MODE>): Likewise.
2584
2585         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
2586         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
2587
2588 2004-04-14  Richard Henderson  <rth@redhat.com>
2589
2590         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
2591         (ix86_compare_emitted): New.
2592         (ix86_expand_compare): Use ix86_compare_emitted if set.
2593         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
2594         and ix86_compare_op0 are set.
2595         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
2596         (TARGET_CMPXCHG, TARGET_XADD): New.
2597         (ix86_compare_emitted): Declare.
2598         * config/i386/i386.md: Include sync.md
2599         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
2600         (UNSPECV_XCHG, UNSPECV_LOCK): New.
2601         * config/i386/sync.md: New file.
2602
2603 2004-04-14  Richard Henderson  <rth@redhat.com>
2604
2605         PR middle-end/14311
2606         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
2607         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
2608         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
2609         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
2610         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
2611         BT_FN_I8_VPTR_I8_I8): New.
2612         * builtins.def (DEF_SYNC_BUILTIN): New.
2613         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
2614         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
2615         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
2616         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
2617         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
2618         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
2619         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
2620         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
2621         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
2622         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
2623         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
2624         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
2625         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
2626         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
2627         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
2628         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
2629         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
2630         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
2631         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
2632         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
2633         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
2634         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
2635         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
2636         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
2637         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
2638         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
2639         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
2640         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
2641         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
2642         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
2643         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
2644         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
2645         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
2646         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
2647         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
2648         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
2649         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
2650         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
2651         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
2652         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
2653         BUILT_IN_SYNCHRONIZE: New.
2654         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
2655         as a function.  Accept __sync_ as a prefix as well.
2656         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2657         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
2658         expand_builtin_lock_release): New.
2659         (expand_builtin): Call them.
2660         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
2661         neither BOTH_P nor FALLBACK_P are defined.
2662         (builtin_type_for_size): New.
2663         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
2664         (resolve_overloaded_builtin): New.
2665         * c-common.h (resolve_overloaded_builtin): Declare.
2666         (builtin_type_for_size): Declare.
2667         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
2668         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
2669         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
2670         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
2671         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
2672         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
2673         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
2674         sync_compare_and_swap_cc, sync_lock_test_and_set,
2675         sync_lock_release): New.
2676         * optabs.h: Declare them.
2677         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
2678         expand_sync_operation, expand_sync_fetch_operation,
2679         expand_sync_lock_test_and_set): Declare.
2680         * genopinit.c (optabs): Add sync optabs.
2681         * optabs.c (init_optabs): Initialize sync optabs.
2682         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
2683         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
2684         expand_sync_operation, expand_sync_fetch_operation,
2685         expand_sync_lock_test_and_set): New.
2686         * doc/extend.texi (Atomic Builtins): New section
2687         * doc/md.texi (Standard Names): Add sync patterns.
2688
2689 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
2690
2691         * tree-eh.c (lower_try_finally_copy): Generate new code in
2692         response to goto_queue entries as if the queue was sorted by
2693         index, not pointers.
2694         (lower_try_finally_switch): Likewise.
2695
2696 2005-04-14  Richard Henderson  <rth@redhat.com>
2697
2698         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
2699         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
2700         register.
2701         (ix86_expand_fp_movcc): Update to match.
2702         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
2703         * config/i386/i386-protos.h: Update.
2704         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
2705         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
2706
2707 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
2708
2709         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
2710         refer to 4.0.
2711
2712 2005-04-14  Julian Brown  <julian@codesourcery.com>
2713
2714         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
2715         link failures on ppc64 Linux.
2716
2717 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2718
2719         * config.gcc: Set cpu_type for s390.
2720
2721 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
2722
2723         Fix PR tree-optimization/20963
2724         * tree-ssa-pre.c (compute_avail): Remove special case for
2725         TREE_INVARIANT.
2726         (create_expression_by_pieces): Add value numbers for forced out
2727         statements.
2728
2729 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
2730
2731         * config/cris/cris.md: Replace references to (reg:SI 16) with
2732         (reg:SI CRIS_SRP_REGNUM).
2733
2734 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
2735
2736         PR tree-optimization/20657
2737         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
2738         create an appropriate range from it.
2739
2740 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
2741
2742         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
2743         <UNSPEC_FIST_CEIL> case.
2744
2745         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
2746         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
2747         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
2748         to implement lfloor and llfloor built-ins as x87 intrinsic function.
2749         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
2750         (lfloor<mode>2): New expanders.
2751         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
2752         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
2753         to implement lceil and llceil built-ins as x87 intrinsic function.
2754         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
2755         (lceil<mode>2): New expanders.
2756
2757 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
2758
2759         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
2760         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
2761
2762 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
2763
2764         PR target/20927
2765         * config/s390/s390-modes.def: Define TFmode.
2766
2767 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
2768
2769         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
2770         (JUMP_TABLES_IN_TEXT_SECTION): Define.
2771         * config/mips/mips.c (mips16_insn_length): Remove reference to
2772         JUMP_TABLES_IN_TEXT_SECTION.
2773
2774 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
2775
2776         * simplify-rtx.c (simplify_binary_operation_1): Return
2777         scalar or vector of constant 0, depending on the xor's
2778         mode.
2779
2780 2005-04-13  Dale Johannesen  <dalej@apple.com>
2781
2782         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
2783         (objc-act.o):  Ditto.
2784         * objc/objc-act.c (objc_gimplify_expr):  New.
2785         (objc_get_callee_fndecl):  New.
2786         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
2787         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
2788         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
2789
2790 2005-04-13  Devang Patel  <dpatel@apple.com>
2791
2792         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
2793         temp variables.
2794
2795 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
2796
2797         CRIS prologue as RTL.
2798         * config/cris/cris-protos.h (cris_emit_movem_store)
2799         (cris_expand_prologue): Prototype.
2800         * config/cris/cris.c (struct machine_function): New member
2801         stdarg_regs.
2802         (cfa_label_num, cris_target_asm_function_prologue): Remove.
2803         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
2804         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
2805         (cris_load_multiple_op, cris_return_address_on_stack)
2806         (cris_return_address_on_stack_for_return): ISO-Cify.
2807         (cris_store_multiple_op): New predicate function.
2808         (cris_expand_prologue, cris_emit_movem_store): New functions.
2809         (cris_print_operand) <case 'O'>: Handle modifications other than
2810         post-increment.
2811         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
2812         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
2813         (cris_gen_movem_load): Rearrange slightly to make local variable
2814         src a parameter, removing osrc.
2815         (cris_setup_incoming_varargs): Set machine_function member
2816         stdarg_regs to correspond to the number of registers that need to
2817         be saved.
2818         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
2819         CRIS_UNSPEC_GOT.
2820         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
2821         cris_general_operand_or_gotless_symbol accept UNSPEC.
2822         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
2823         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
2824         ("*cris_store_multiple"): New pattern.  Tweak common comment above
2825         this and "*cris_load_multiple".
2826         ("prologue"): New define_expand.
2827
2828         * config/cris/cris.md ("epilogue"): Conditionalize on
2829         TARGET_PROLOGUE_EPILOGUE.
2830
2831 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
2832
2833         PR target/20924
2834         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
2835         fpsr 0 instead of fpsr 1.
2836         (divsf3_internal_thr): Ditto.
2837         (divdf3_internal_lat): Ditto.
2838         (divdf3_internal_thr): Ditto.
2839         (divxf3_internal_lat): Ditto.
2840         (divxf3_internal_thr): Ditto.
2841
2842 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2843
2844         PR tree-optimization/20913
2845         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
2846
2847         PR tree-optimization/20702
2848         * tree-vrp.c (maybe_add_assert_expr): Recurse into
2849         dominator children that haven't been walked into.
2850
2851 2005-04-13  Julian Brown  <julian@codesourcery.com>
2852
2853         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
2854         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
2855         is true.
2856
2857 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2858
2859         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
2860         config/i386/sse.md: Fix comment typos.
2861
2862         * genattrtab.c (NULL_ATTR): Remove.
2863         * ifcvt.c (NULL_EDGE): Likewise.
2864
2865         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
2866
2867         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
2868         NOTE_PREDICT): Remove.
2869
2870 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2871
2872         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
2873         * configure: Regenerate.
2874         * config.in: Likewise.
2875         * system.h: Declare vsnprintf if not already declared.
2876
2877 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2878
2879         * optc-gen.awk: Handle stand-alone Mask records.
2880         * opth-gen.awk: Likewise.
2881         * doc/options.texi (Option file format): Document them.
2882         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
2883         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
2884         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
2885         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
2886         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
2887         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
2888         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
2889         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
2890         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
2891         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
2892         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
2893         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
2894         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
2895         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
2896         TARGET_LONG_DOUBLE_128): Likewise.
2897         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
2898         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
2899         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
2900         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
2901         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
2902         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
2903         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
2904         * config/sparc/sparc.c (fpu_option_set): New global.
2905         (sparc_handle_option): New function.
2906         (sparc_override_options): Test fpu_option_set.
2907         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
2908         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
2909         * config/sparc/sparc.opt: New file.
2910         * config/sparc/little-endian.opt: Likewise.
2911         * config/sparc/long-double-switch.opt: Likewise.
2912
2913 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2914
2915         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
2916         (bfin_handle_options): Set it if -mshared-library-id= is seen.
2917         * config/bfin/bfin.opt (mshared-library-id=): Lose
2918         Var(bfin_lib_id_given).
2919
2920 2005-04-13  Matt Thomas  <matt@3am-software.com>
2921
2922         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
2923         defining.
2924
2925 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2926
2927         * rtl.h (CLEAR_RTX_FLAGS): Remove.
2928
2929         * cgraphunit.c (INSNS_PER_CALL): Remove.
2930
2931         * tree-ssa-forwprop.c (vars,
2932         record_single_argument_cond_exprs,
2933         substitute_single_use_vars): Remove.
2934         (forward_propagate_into_cond_1, forward_propagate_into_cond):
2935         New.
2936         (tree_ssa_forward_propagate_single_use_vars): Call
2937         forward_propagate_into_cond for each COND_EXPR.
2938
2939         * tree-inline.c (INSNS_PER_STMT): Remove.
2940
2941 2005-04-12  Richard Henderson  <rth@redhat.com>
2942
2943         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
2944         (ix86_expand_sse_fp_minmax): ... from ...
2945         (ix86_expand_fp_movcc): ... here.
2946         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
2947         * config/i386/i386-protos.h: Update.
2948         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
2949         (sse_setccsf, sse_setccdf): Allow before reload.
2950         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
2951         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
2952         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
2953         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
2954         (anddf3, nanddf3, iordf3, xordf3): New.
2955
2956 2005-04-12  Jeff Law  <law@redhat.com>
2957
2958         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
2959         (tree-ssa-uncprop.o): Add dependencies.
2960         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
2961         * tree-flow.h (remove_useless_stmts): Remove prototype.
2962         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2963         remove_useless_stmts.
2964         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
2965         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
2966         * tree-pass.h (pass_uncprop): Declare.
2967         * tree-ssa-uncprop.c: New file.
2968
2969 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
2970
2971         PR target/20670
2972         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
2973
2974 2005-04-12  Caroline Tice  <ctice@apple.com>
2975
2976         Temporary fix for partitioning problems.
2977         * passes.c (rest_of_handle_final): Remove code that
2978         frees unlikely_text_section_name,
2979         * varasm.c (assemble_start_function): Test for partitioning
2980         flag before writing out section labels.
2981         (assemble_end_function): Test for partitioning flag before
2982         writing out section labels.
2983
2984 2005-04-12  Steven Bosscher  <stevenb@suse.de>
2985             Stuart Hastings <stuart@apple.com>
2986             Jan Hubicka  <jh@suse.cz>
2987
2988         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
2989         references to gt-tree-cfg.h.
2990         * basic-block.h (struct basic_block_def): Don't skip rbi
2991         for garbage collection.
2992         (struct reorder_block_def): Make GTY-able.
2993         (struct control_flow_graph): New structure.
2994         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
2995         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
2996         but instead defines to the control_flow_graph for cfun.
2997         (label_to_block_map): New define, points to the label map of
2998         the control_flow_graph for cfun.
2999         (n_edges_for_function, n_basic_blocks_for_function,
3000         last_basic_block_for_function, basic_block_info_for_function,
3001         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
3002         basic_block_info_for_function, label_to_block_map_for_function):
3003         Counterparts for the above, taking a struct function as an extra
3004         argument.
3005         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
3006         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
3007         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
3008         (alloc_rbi_pool, free_rbi_pool): Remove.
3009         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
3010         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
3011         here...
3012         (cfg_layout_finalize) ... and don't free it here.
3013         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
3014         garbage collected.
3015         * flow.c (free_basic_block_vars): Set label_to_block_map and
3016         n_edges to zero too.
3017         * function.h (struct function): Add cfg field.
3018         * function.c (allocate_struct_function): Allocate the cfg.
3019         * tree-cfg.c (label_to_block_map): Remove.
3020         (build_tree_cfg): Don't allocate the rbi pool here...
3021         (delete_tree_cfg_annotations): ...and don't free it here.
3022         Also don't nullify label_to_block_map for cfun.
3023
3024 2005-04-12  Caroline Tice  <ctice@apple.com>
3025
3026         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3027         Revert my patch from April 9.
3028         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
3029         (reorder_basic_blocks): Revert my patch from April 9.
3030         (insert_section_boundary_note): Revert my patch from April 9.
3031         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
3032         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
3033         (COLD_END_LABEL):  Revert my patch from April 9.
3034         (cold_text_section_label):  Revert my patch from April 9.
3035         (cold_end_label): Revert my patch from April 9.
3036         (dwarf2out_switch_text_section): Revert my patch from April 9.
3037         (output_aranges): Revert my patch from April 9.
3038         (output_ranges):  Revert my patch from April 9.
3039         (output_line_info): Revert my patch from April 9.
3040         (add_location_or_const_value_attribute):  Revert my patch from April 9.
3041         (dwarf2out_var_location): Revert my patch from April 9.
3042         (dwarf2out_init):  Revert my patch from April 9.
3043         (dwarf2out_finish): Revert my patch from April 9.
3044         * function.h (struct function): Revert my patch from April 9.
3045         * opts.c (decode_options): Revert my patch from April 9.
3046         * output.h (unlikely_section_label, hot_section_label,
3047         hot_section_end_label, cold_section_end_label,
3048         unlikely_text_section_name): Revert my patch from April 9.
3049         * passes.c (rest_of_handle_final): Revert my patch from April 9.
3050         * varasm.c (unlikely_section_label, hot_section_label,
3051         hot_section_end_label, cold_section_end_label,
3052         unlikely_text_section_name): Revert my patch from April 9.
3053         (initialize_cold_section_name): Revert my patch from April 9.
3054         (unlikely_text_section): Revert my patch from April 9.
3055         (in_unlikely_text_section): Revert my patch from April 9.
3056         (named_section): Revert my patch from April 9.
3057         (function_section): Revert my patch from April 9.
3058         (current_function_section): Revert my patch from April 9.
3059         (assemble_start_function): Revert my patch from April 9.
3060         (assemble_end_function): Revert my patch from April 9.
3061         (default_section_type_flags_1): Revert my patch from April 9.
3062
3063 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3064
3065         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
3066         * config/sparc/sparc.md (untyped_call): Save the registers manually.
3067
3068         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3069
3070 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
3071
3072         PR middle-end/20917
3073         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
3074         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
3075
3076 2004-04-12  Richard Henderson  <rth@redhat.com>
3077
3078         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
3079         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
3080         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
3081         (UNSPEC_*, UNSPECV_*): Renumber.
3082
3083 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
3084
3085         PR mudflap/19266
3086         From Richard Henderson <rth@redhat.com>:
3087         * tree-mudflap.c (mf_build_check_statement_for): Correct block
3088         splitting logic.
3089
3090 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
3091
3092         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
3093
3094 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3095
3096         * config/bfin/bfin.c (bfin_library_id_string): Remove.
3097         (bfin_library_id): New variable.
3098         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
3099         instead of bfin_library_id_string.
3100         (bfin_handle_option): New function.
3101         (override_options): Remove most code to deal with shared library IDs,
3102         just check they aren't used without -mid-shared-library.
3103         (TARGET_HANDLE_OPTION): Define.
3104         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
3105         * config/bfin/bfin.opt (mshared-library-id=): New.
3106
3107 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
3108
3109         * tree-vect-transform.c: Fix comment typos.
3110
3111 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
3112
3113         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
3114         split critical edges when not possible/profitable.
3115
3116 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3117
3118         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
3119         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
3120         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
3121         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
3122         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
3123         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
3124         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
3125         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
3126         MASK_NO_BITFIELD.
3127         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
3128         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3129         * config/ns32k/ns32k.opt: New file.
3130
3131 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3132
3133         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
3134         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
3135         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
3136         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
3137         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
3138         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
3139         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
3140         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
3141         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
3142         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
3143         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
3144         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
3145         (MASK_COLDFIRE): Formatting fixes.
3146         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
3147         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
3148         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
3149         "_current_shared_library_a5_offset_".
3150         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3151         (MASK_ALL_CPU_BITS): New macro.
3152         (m68k_handle_option): New function.
3153         (override_options): Remove handling of m68k_library_id_string.
3154         * config/m68k/m68k.opt: New file.
3155         * config/m68k/ieee.opt: New file.
3156
3157 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
3158
3159         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3160         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
3161         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3162         (TARGET_CXX): Adjust accordingly.
3163         * target.h (struct gcc_target): Remove epxort_class_data.  Add
3164         determine_class_data_visibility and class_data_always_comdat.
3165         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3166         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
3167         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3168         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
3169         (arm_cxx_determine_class_data_visibility): New.
3170         (arm_cxx_class_data_always_comdat): Likewise.
3171         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3172         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
3173         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3174         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
3175         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
3176         Define.
3177
3178 2005-04-11  Devang Patel  <dpatel@apple.com>
3179
3180         * tree-data-ref.c (build_classic_dist_vector,
3181         compute_subscript_distance): Make externally visible.
3182         * tree-data-ref.h (build_classic_dist_vector,
3183         compute_subscript_distance): Same.
3184         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
3185         Check distance vector against vectorization factor.
3186         (vect_analyze_loop): Determine vectorizaion factor before
3187         analyzing data dependences.
3188         * tree-vectorizer.c (loops_num): Make it externally visible and
3189         rename ...
3190         * tree-vectorizer.c (vect_loops_num): ... new name.
3191         * tree-vectorizer.h  (vect_loops_num): New.
3192
3193 2005-04-11  Devang Patel  <dpatel@apple.com>
3194
3195         * tree-vect-analyze.c (vect_analyze_operations): Check
3196         vectorizable codition.
3197         * tree-vect-transform.c (vect_is_simple_cond): New function.
3198         (vectorizable_condition): New function.
3199         (vect_transform_stmt): Handle condition_vec_info_type.
3200         * tree-vectorizer.h (enum stmt_vec_info_type): Add
3201         condition_vec_info_type.
3202         (vectorizable_condition): New.
3203
3204 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
3205
3206         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
3207         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
3208         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
3209
3210         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
3211         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
3212
3213         * dwarf2out.c (output_line_info): Don't try to dereference
3214         a NULL current_function_decl.
3215
3216         * config/t-slibgcc-darwin: Don't put shared libraries in
3217         directories other than $(slibdir).
3218         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
3219         OS uses for it.
3220
3221 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3222
3223         PR tree-optimization/20933
3224         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
3225         logic to reject aliases between read-only and writable
3226         variables ...
3227         (may_alias_p): ... here.
3228         (get_tmt_for): Do not associate read-only tags to pointers
3229         whose pointed-to type is not read-only.
3230         * tree-ssa.c (verify_ssa): Check that memory stores have at
3231         least one V_MAY_DEF or V_MUST_DEF.
3232
3233 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3234
3235         PR/17092
3236         * configure.ac (gcc_UNLOCKED_FUNCS): New.
3237         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
3238         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
3239         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
3240         _unlocked function.
3241         (fwrite_unlocked): Fix prototype.
3242
3243         * configure, config.in: Regenerate.
3244
3245 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
3246
3247         * tree-ssa-loop-im.c: Include real.h.
3248         (determine_invariantness_stmt): If real division divisor is
3249         invariant and flag_unsafe_math_optimizations enabled, generate
3250         invariant reciprocal for hoisting.
3251         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
3252
3253 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3254
3255         Fix PR tree-optimization/20926
3256
3257         * tree-ssa-alias.c (add_type_alias): Handle subvars.
3258
3259 2005-04-11  Devang Patel  <dpatel@apple.com>
3260
3261         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
3262         operand ordering.
3263
3264 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3265
3266         * fold-const.c (fold_binary_op_with_conditional_arg):
3267         use fold_buildN instead of "fold (buildN" in some
3268         non obvious places.
3269         (fold_unary): Likewise.
3270         (fold_binary): Likewise.
3271
3272 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3273
3274         Fix PR tree-optimization/20612
3275         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
3276         handling
3277         (perfect_nestify): preheaderbb is *not* part of loop of the
3278         old destination.
3279
3280 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3281
3282         * tree-ssa-alias.c (may_alias_p): If the variable
3283         is a global variable and the pointer is parameter
3284         and -fargument-noalias-global is used, then
3285         the pointer cannot alias the variable.
3286
3287 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
3288
3289         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
3290         * config/sparc/sparc.h: Likewise.
3291         * config/sparc/sparc.md: Likewise.
3292
3293 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
3294
3295         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
3296
3297         * tree-vrp.c: Fix a comment typo.
3298
3299 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3300
3301         PR tree-optimization/20920
3302         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
3303         SSA_NAME flows through an abnormal edge.
3304         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
3305         through abnormal edges.
3306         (maybe_add_assert_expr): Likewise.
3307
3308 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
3309
3310         * config/s390/s390.h (s390_tune_string, s390_arch_string)
3311         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
3312         (s390_stack_size_string, s390_stack_guard_string, target_flags)
3313         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
3314         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
3315         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
3316         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
3317         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
3318         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
3319         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
3320         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3321         (TARGET_HANDLE_OPTION): Likewise.
3322         (s390_tune): Initialize to PROCESSOR_max.
3323         (s390_arch_string): Make static.
3324         (s390_tune_string, s390_warn_framesize_string): Delete.
3325         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
3326         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
3327         (s390_handle_arch_option, s390_handle_option): New functions.
3328         (override_options): Remove parsing of option strings.
3329         * config/s390/s390.opt: New file.
3330
3331 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3332
3333         * tree-complex.c (expand_vector_operations): Call
3334         update_stmt_if_modified.
3335
3336 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3337
3338         * tree-vect-analyze (vect_determine_vectorization_factor):
3339         Do not use GET_MODE_NUNITS.
3340         * tree-vect-transform.c (vect_get_vec_def_for_operand,
3341         (vectorizable_load, vect_transform_loop): Likewise.
3342
3343 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
3344
3345         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
3346         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
3347         * optabs.h (enum optab_index): Add new OTI_lceil.
3348         (lceil_optab): Define corresponding macro.
3349         * optabs.c (init_optabs): Initialize lceil_optab.
3350         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
3351         and lceildi2 patterns.
3352         * builtins.c (expand_builtin_int_roundingfn): Handle
3353         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
3354         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
3355         BUILT_IN_LLCEIL{,F,L}.
3356         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
3357         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
3358         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
3359         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
3360         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
3361         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
3362         into lceil built-in function and (long long int)ceil{,f,l} into
3363         llceil built-in function.
3364         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
3365         BUILT_IN_LLCEIL.
3366
3367 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3368
3369         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
3370         zero.
3371
3372 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
3373
3374         * config/arm/arm.c: Fix a comment typo.
3375         * doc/tree-ssa.texi: Fix a typo.
3376
3377 2005-04-10  Steven Bosscher  <stevenb@suse.de>
3378
3379         * cselib.c (clear_table): Rename to cselib_clear_table.
3380         * cselib.h (cselib_clear_table): Add prototype.
3381         * gcse.c (gcse_main): Make 'f' argument unused.
3382         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
3383         of each basic block instead.
3384         (compute_sets, compute_hash_table_work): Likewise.
3385         (constprop_register): Change int 'alter_jumps' argument to bool.
3386         (do_local_cprop): Likewise.
3387         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
3388         the insn chain.  Explicitly clear the cselib tables after finishing
3389         one basic block.  Make sure there are no unterminated libcall blocks.
3390         Update compute_sets call.
3391         (cprop): Walk basic blocks instead of the insn chain.
3392         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
3393         Likewise.
3394         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
3395         one_cprop_pass calls.
3396
3397 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
3398
3399         * combine.c (combine_simplify_rtx): Remove a transformation that
3400         relies on an invalid assumption about rtl sign-extension semantics.
3401
3402 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
3403
3404         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
3405         to build_int_cst_wide.
3406
3407 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
3408
3409         PR target/20126
3410         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
3411         set the original address pseudo to the correct value before the
3412         original insn, if possible, and leave the insn alone, otherwise
3413         create a new pseudo, set it and replace it in the insn.
3414         * recog.c (validate_change_maybe_volatile): New.
3415         * recog.h (validate_change_maybe_volatile): Declare.
3416
3417 2005-04-09  Caroline Tice  <ctice@apple.com>
3418
3419         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3420         Remove targetm.have_named_sections test.
3421         (fix_edges_for_rarely_executed_code): Likewise.
3422         (insert_section_boundary_note): Likewise.
3423         (reorder_basic_blocks): Check partitioning flag before calling
3424         verify_hot_cold_block_grouping.
3425         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3426         the function struct rather than global variables.
3427         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3428         (COLD_END_LABEL): Likewise
3429         (cold_text_section_label): New static global variable.
3430         (cold_end_label): Likewise.
3431         (dwarf2out_switch_text_section): Get hot/cold section labels from
3432         the function struct rather than global variables.
3433         (output_aranges): Use cold_text_section_label and cold_end_label;
3434         check partitioning flag before putting out delta.
3435         (output_ranges): Remove incorrect code attempting to use
3436         hot/cold labels.
3437         (output_line_info): Get cold section label from function struct.
3438         (add_location_or_const_value_attribute): Likewise.
3439         (get_subprogram_die): Get hot/cold section labels from function struct.
3440         (dwarf2out_var_location): Likewise.
3441         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3442         write out cold_text_section_label if partition flag is set.
3443         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3444         * function.h (struct function): Add new fields to point to hot/cold
3445         section labels: hot_section_label, cold_section_label,
3446         hot_section_end_label and cold_section_end_label; also add new field
3447         for cold text section name, unlikely_text_section_name.
3448         * opts.c (decode_options): Turn off partitioning flag if
3449         !targetm.have_named_sections.
3450         * output.h (hot_section_label): Remove.
3451         (hot_section_end_label): Remove.
3452         (cold_section_end_label): Remove.
3453         (unlikely_section_label): Remove.
3454         (unlikely_text_section_name): Remove.
3455         * passes.c (rest_of_handle_final):  Remove code that frees
3456         unlikely_text_section_name.
3457         * varasm.c (unlikely_section_label): Remove.
3458         (hot_section_label): Remove.
3459         (hot_section_end_label): Remove.
3460         (cold_section_end_label): Remove.
3461         (unlikely_text_section_name):  Remove.
3462         (initialize_cold_section_name): Modify to call
3463         targetm.strip_name_encoding; to store cold section name in current
3464         function struct, if it exists; and to only use the decl_section_name
3465         if flag_named_sections is true.
3466         (unlikely_text_section): Modify to get section name out of current
3467         function struct, if there is one; otherwise build it from
3468         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3469         (in_unlikely_text_section): Likewise.
3470         (named_section): Modify to get/put cold section name in current function
3471         struct, if there is one.
3472         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3473         targetm.have_named_sections before calling named_section.
3474         (current_function_section): Likewise.
3475         (assemble_start_function): Modify to get/put unlikely_text_section_name
3476         in current function struct; modify to get hot/cold section labels
3477         from function struct; initialize labels using
3478         ASM_GENERATE_INTERNAL_LABEL;
3479         test partitioning flag before writing out hot section label.
3480         (assemble_end_function): Test partitioning flag before writing out
3481         hot/cold section labels.
3482         (default_section_type_flags_1):  Modify to use array instead of
3483          char* for unlikely_text_section_name; set flags correctly for
3484          cold text section if there is not a current function decl.
3485
3486 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
3487
3488         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3489         and TI_VA_LIST_FPR_COUNTER_FIELD.
3490         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3491         * tree-pass.h (pass_stdarg): Add.
3492         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3493         * tree-stdarg.c: New file.
3494         * tree-stdarg.h: New file.
3495         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3496         (tree-stdarg.o): Add dependencies.
3497         * function.h (struct function): Add va_list_gpr_size and
3498         va_list_fpr_size fields.
3499         * function.c (allocate_struct_function): Initialize them.
3500         * target.h (struct gcc_target): Add stdarg_optimize_hook.
3501         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
3502         (TARGET_INITIALIZER): Add it.
3503
3504         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3505         va_list_{g,f}pr_counter_field.
3506         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3507         area will not be used.  Only save registers that tree-stdarg.c
3508         detected they need saving.
3509         (ix86_va_start): Don't set up fields that won't be used.
3510
3511         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3512         va_list_{g,f}pr_counter_field.
3513         (setup_incoming_varargs): Don't do anything if reg_save
3514         area will not be used.  Only save registers that tree-stdarg.c
3515         detected they need saving.
3516         (rs6000_va_start): Don't set up fields that won't be used.
3517
3518         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
3519         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
3520         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
3521         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
3522
3523 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
3524
3525         PR target/20795
3526         * config/i386/i386.c (construct_container): Pass empty aligned
3527         struct, union or class in memory.
3528
3529 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
3530
3531         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
3532         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
3533         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
3534         config/rs6000/predicates.md: Fix comment typos.
3535
3536         * sched-int.h (haifa_insn_data): Remove blockage and units.
3537         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
3538         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
3539         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
3540
3541 2005-04-09  Jan Hubicka  <jh@suse.cz>
3542             Steven Bosscher  <stevenb@suse.de>
3543
3544         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
3545         * cfgloop.c (get_loop_exit_edges): Likewise.
3546         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
3547         (unloop): Likewise.
3548         * loop-unroll.c (analyze_insns_in_loop): Likewise.
3549         * tree-cfg.c (dump_cfg_status): Likewise.
3550
3551 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
3552
3553         * config/rs6000/predicates.md (altivec_register_operand): Remove
3554         redundant match_code test.
3555         (gpc_reg_operand): Same.
3556         (cc_reg_operand): Same.
3557         (cc_reg_not_cr0_operand): Same.
3558
3559 2005-04-09  Jan Hubicka  <jh@suse.cz>
3560
3561         Forgotten hunk from my last merge patch:
3562         * final.c (output_addr_const): Do not call mark_referenced.
3563
3564 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
3565
3566         * doc/tree-ssa.texi: Add immediate use documentation.
3567
3568 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
3569
3570         * arm.c (FL_WBUF): Define.
3571         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
3572         (arm_is_6_or_7): Delete.
3573         (arm_tune_wbuf): New.
3574         (arm_override_options): Set arm_tune_wbuf.
3575         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
3576         (arm_is_6_or_7): Delete declaration.
3577         (arm_tune_wbuf): New declartion.
3578         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
3579         (model_wbuf): Derive from arm_tune_wbuf.
3580         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
3581         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
3582         (arm740t): Mark CPUs as having a write buffer.
3583
3584 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
3585
3586         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
3587         of 'const_double_operand' in operand 2 constraints.  Update enable
3588         condition.
3589
3590 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
3591
3592         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
3593         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
3594         * optabs.h (enum optab_index): Add new OTI_lfloor.
3595         (lfloor_optab): Define corresponding macro.
3596         * optabs.c (init_optabs): Initialize lfloor_optab.
3597         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
3598         and lfloordi2 patterns.
3599         * builtins.c (expand_builtin_int_roundingfn): New prototype.
3600         (expand_builtin_int_roundingfn): New function.
3601         (fold_builtin_int_roundingfn): New prototype.
3602         (fold_builtin_int_roundingfn): New function, renamed from
3603         fold_builtin_lround.
3604         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
3605         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
3606         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
3607         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
3608         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
3609         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
3610         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
3611         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
3612         into lfloor built-in function and (long long int)floor{,f,l} into
3613         llfloor built-in function.
3614         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
3615         BUILT_IN_LLFLOOR.
3616
3617 2005-04-08  Ian Lance Taylor  <ian@airs.com>
3618
3619         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
3620         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
3621         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
3622         (DO_COND, DO_BODY): Likewise.
3623         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
3624         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
3625         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
3626         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
3627         (build_continue_stmt, build_break_stmt): Don't declare.
3628         (c_do_switch_warnings): Update declaration.
3629         * c-gimplify.c (enum bc_t): Remove.
3630         (struct c_gimplify_ctx, ctxp): Remove.
3631         (push_context, pop_context): Remove static functions.
3632         (c_genericize): Don't call push_context or pop_context.
3633         (begin_bc_block, finish_bc_block): Remove static functions.
3634         (build_bc_goto): Likewise.
3635         (gimplify_c_loop): Likewise.
3636         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
3637         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
3638         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
3639         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
3640         * c-common.c (c_do_switch_warnings): Rename from
3641         c_do_switch_warnings_1.
3642         (c_do_switch_warnings) [old version]: Remove.
3643         (c_do_switch_expr_warnings): Remove.
3644         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
3645         function instead of c_do_switch_expr_warnings.
3646         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
3647         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
3648         * c-pretty-print.c (pp_c_statement): Likewise.
3649         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
3650
3651 2005-04-08  Devang Patel  <dpatel@apple.com>
3652
3653         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
3654         While selecting replacement condition pay attention to loop header.
3655
3656 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
3657
3658         Merge from tree-cleanup-branch: VRP, store CCP, store
3659             copy-prop, incremental SSA updating of FUD chains and
3660             newly exposed symbols.
3661
3662         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
3663         (OBJS-common): Add tree-vrp.o.
3664         (tree-vrp.o): New rule.
3665         * basic-block.h (nearest_common_dominator_for_set): Declare.
3666         * common.opt (ftree-store-ccp): New flag.
3667         (ftree-copy-prop): New flag.
3668         (ftree-vrp): New flag.
3669         (ftree-store-copy-prop): New flag.
3670         * dominance.c (nearest_common_dominator_for_set): New.
3671         * domwalk.c (walk_dominator_tree): Only traverse
3672         statements in blocks marked in walk_data->interesting_blocks.
3673         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
3674         * fold-const.c (fold): Handle ASSERT_EXPR.
3675         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
3676         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
3677         flag_tree_vrp at -O2.
3678         * timevar.def (TV_TREE_VRP): Define.
3679         (TV_TREE_COPY_PROP): Define.
3680         (TV_TREE_STORE_COPY_PROP): Define.
3681         (TV_TREE_SSA_INCREMENTAL): Define.
3682         (TV_TREE_STORE_CCP): Define.
3683         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
3684         to kill_redundant_phi_nodes from comment.
3685         (verify_expr): Handle ASSERT_EXPR.
3686         * tree-dfa.c (mark_new_vars_to_rename): Remove second
3687         argument.  Update all users.
3688         (mark_call_clobbered_vars_to_rename): Remove.  Update all
3689         users.
3690         * tree-flow-inline.h (unmodifiable_var_p): New.
3691         * tree-flow.h (enum value_range_type): Declare.
3692         (struct value_range_def): Declare.
3693         (value_range): Declare.
3694         (remove_all_phi_nodes_for): Remove.  Update all users.
3695         (find_phi_node_for): Declare.
3696         (add_type_alias): Declare.
3697         (count_uses_and_derefs): Declare.
3698         (kill_redundant_phi_nodes): Remove.
3699         (rewrite_into_ssa): Remove.
3700         (rewrite_def_def_chains): Remove.
3701         (update_ssa, register_new_name_mapping, create_new_def_for,
3702         need_ssa_update_p, name_registered_for_update_p,
3703         release_ssa_name_after_update_ssa, dump_repl_tbl,
3704         debug_repl_tbl, dump_names_replaced_by,
3705         debug_names_replaced_by, mark_sym_for_renaming,
3706         mark_set_for_renaming, get_current_def, set_current_def,
3707         get_value_range, dump_value_range, debug_value_range,
3708         dump_all_value_ranges, debug_all_value_ranges,
3709         expr_computes_nonzero, loop_depth_of_name,
3710         unmodifiable_var_p): Declare.
3711         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
3712         ASSERT_EXPR.
3713         * tree-into-ssa.c (block_defs_stack): Update comment.
3714         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
3715         syms_to_rename, names_to_release, repl_tbl,
3716         need_to_initialize_update_ssa_p, need_to_update_vops_p,
3717         need_to_replace_names_p): New locals.
3718         (NAME_SETS_GROWTH_FACTOR): Define.
3719         (struct repl_map_d): Declare.
3720         (struct mark_def_sites_global_data): Add field
3721         interesting_blocks.
3722         (enum rewrite_mode): Declare.
3723         (REGISTER_DEFS_IN_THIS_STMT): Define.
3724         (compute_global_livein): Use last_basic_block instead of
3725         n_basic_blocks.
3726         (set_def_block): Remove last argument.  Update all callers.
3727         (prepare_use_operand_for_rename): Remove.  Update all callers.
3728         (prepare_def_operand_for_rename): Remove.  Update all callers.
3729         (symbol_marked_for_renaming): New.
3730         (is_old_name): New.
3731         (is_new_name): New.
3732         (repl_map_hash): New.
3733         (repl_map_eq): New.
3734         (repl_map_free): New.
3735         (names_replaced_by): New.
3736         (add_to_repl_tbl): New.
3737         (add_new_name_mapping): New.
3738         (mark_def_sites): Assume that all the operands in the
3739         statement are in normal form.
3740         (find_idf): Assert that the block in the stack is valid.
3741         (get_default_def_for): New.
3742         (insert_phi_nodes_for): Add new argument 'update_p'.
3743         Add documentation.
3744         If update_p is true, add a new mapping between the LHS of
3745         each new PHI and the name that it replaces.
3746         (insert_phi_nodes_1): Only call find_idf if needed.
3747         (get_reaching_def): Call get_default_def_for.
3748         (rewrite_operand): Remove.
3749         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
3750         and REWRITE_THIS_STMT are false.
3751         Assume that all the operands in the statement are in
3752         normal form.
3753         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
3754         (rewrite_virtual_phi_arguments): Remove.
3755         (invalidate_name_tags): Remove.
3756         (register_new_update_single, register_new_update_set,
3757         rewrite_update_init_block, replace_use,
3758         rewrite_update_fini_block, rewrite_update_stmt,
3759         rewrite_update_phi_arguments): New.
3760         rewrite_blocks): Remove argument 'fix_virtual_phis'.
3761         Add arguments 'entry', 'what' and 'blocks'.
3762         Initialize the dominator walker according to 'what' and
3763         'blocks'.
3764         Start the dominator walk at 'entry'.
3765         (mark_def_site_blocks): Add argument 'interesting_blocks'.
3766         Use it to configure the dominator walker.
3767         (rewrite_into_ssa): Remove argument 'all'.
3768         Make internal.
3769         (rewrite_all_into_ssa): Remove.
3770         (rewrite_def_def_chains): Remove.
3771         (mark_def_interesting, mark_use_interesting,
3772         prepare_phi_args_for_update, prepare_block_for_update,
3773         prepare_def_site_for, prepare_def_sites,
3774         dump_names_replaced_by, debug_names_replaced_by,
3775         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
3776         delete_update_ssa, create_new_def_for,
3777         register_new_name_mapping, mark_sym_for_renaming,
3778         mark_set_for_renaming, need_ssa_update_p,
3779         name_registered_for_update_p, ssa_names_to_replace,
3780         release_ssa_name_after_update_ssa,
3781         insert_updated_phi_nodes_for, update_ssa): New.
3782         * tree-loop-linear.c (linear_transform_loops): Call
3783         update_ssa instead of rewrite_into_ssa.
3784         * tree-optimize.c (vars_to_rename): Remove.
3785         Update all users.
3786         (init_tree_optimization_passes): Replace
3787         pass_redundant_phi with pass_copy_prop.
3788         Add pass_vrp.
3789         Replace pass_ccp with pass_store_ccp.
3790         Add pass_store_copy_prop after pass_store_ccp.
3791         (execute_todo): If the TODO_ flags don't include updating
3792         the SSA form, assert that it does not need to be updated.
3793         Call update_ssa instead of rewrite_into_ssa and
3794         rewrite_def_def_chains.
3795         If TODO_verify_loops is set, call verify_loop_closed_ssa.
3796         (tree_rest_of_compilation):
3797         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
3798         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
3799         TODO_cleanup_cfg): Renumber.
3800         (TODO_verify_loops, TODO_update_ssa,
3801         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3802         TODO_update_ssa_only_virtuals): Define.
3803         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
3804         Declare.
3805         * tree-phinodes.c (make_phi_node): Update documentation.
3806         (remove_all_phi_nodes_for): Remove.
3807         (find_phi_node_for): New.
3808         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
3809         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
3810         (interpret_rhs_modify_expr): Likewise.
3811         * tree-sra.c (decide_instantiations): Mark all symbols in
3812         SRA_CANDIDATES for renaming.
3813         (mark_all_v_defs_1): Rename from mark_all_v_defs.
3814         (mark_all_v_defs): New function.  Update all users to call it
3815         with the whole list of scalarized statements, not just the
3816         first one.
3817         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
3818         (compute_flow_insensitive_aliasing): If the tag is
3819         unmodifiable and the variable isn't or vice-versa, don't
3820         make them alias of each other.
3821         (setup_pointers_and_addressables): If the type tag for
3822         VAR is about to change, mark the old one for renaming.
3823         (add_type_alias): New.
3824         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
3825         (ccp_lattice_t): Rename from latticevalue.
3826         (value): Remove.  Update all users.
3827         (const_val): New local variable.
3828         (do_store_ccp): New local variable.
3829         (dump_lattice_value): Handle UNINITIALIZED.
3830         (debug_lattice_value): New.
3831         (get_default_value): Re-write.
3832         (set_lattice_value): Re-write.
3833         (def_to_varying): Remove.  Update all users.
3834         (likely_value): Return VARYING for statements that make
3835         stores when STORE_CCP is false.
3836         Return VARYING for any statement other than MODIFY_EXPR,
3837         COND_EXPR and SWITCH_EXPR.
3838         (ccp_initialize): Re-write.
3839         (replace_uses_in, replace_vuse_in, substitute_and_fold):
3840         Move to tree-ssa-propagate.c.
3841         (ccp_lattice_meet): Handle memory stores when
3842         DO_STORE_CCP is true.
3843         (ccp_visit_phi_node): Likewise.
3844         (ccp_fold): Likewise.
3845         (evaluate_stmt): Likewise.
3846         (visit_assignment): Likewise.
3847         (ccp_visit_stmt): Likewise.
3848         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
3849         into DO_STORE_CCP.
3850         (do_ssa_ccp): New.
3851         (pass_ccp): Use it.
3852         (do_ssa_store_ccp): New.
3853         (gate_store_ccp): New.
3854         (pass_store_ccp): Declare.
3855         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
3856         (may_propagate_copy): Reformat.
3857         Don't abort if ORIG is a virtual and DEST isn't.
3858         If NEW does not have alias information but DEST does,
3859         copy it.
3860         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
3861         copy_prop_kind, which_copy_prop): Declare.
3862         (stmt_may_generate_copy, get_copy_of_val,
3863         get_last_copy_of, set_copy_of_val, dump_copy_of,
3864         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
3865         copy_prop_visit_stmt, copy_prop_visit_phi_node,
3866         init_copy_prop, fini_copy_prop, execute_copy_prop,
3867         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
3868         store_copy_prop): New.
3869         (pass_copy_prop, pass_store_copy_prop): Declare.
3870         * tree-ssa-dom.c (struct opt_stats_d): Add fields
3871         'num_const_prop' and 'num_copy_prop'.
3872         (cprop_operand): Update them.
3873         (dump_dominator_optimization_stats): Dump them.
3874         (tree_ssa_dominator_optimize): Call update_ssa instead of
3875         rewrite_into_ssa.
3876         (loop_depth_of_name): Declare extern.
3877         (simplify_cond_and_lookup_avail_expr): Guard against NULL
3878         values for LOW or HIGH.
3879         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
3880         (record_equivalences_from_stmt): Call expr_computes_nonzero.
3881         (cprop_operand): Only propagate if VAL != OP.
3882         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
3883         statement for renaming.
3884         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
3885         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
3886         add_type_alias if necessary.
3887         Call mark_new_vars_to_rename.
3888         (tree_ssa_iv_optimize): If new symbols need to be renamed,
3889         mark every statement updated, call update_ssa and
3890         rewrite_into_loop_closed_ssa.
3891         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
3892         from LIVEIN if VAR is a virtual.
3893         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
3894         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
3895         (get_call_expr_operands): Reformat statement.
3896         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
3897         symbols.
3898         * tree-ssa-propagate.c (ssa_prop_init): Initialize
3899         SSA_NAME_VALUE for every name.
3900         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3901         get_value_loaded_by): New.
3902         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
3903         substitute_and_fold): Move from tree-ssa-ccp.c.
3904         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
3905         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3906         get_value_loaded_by, replace_uses_in, substitute_and_fold):
3907         Declare.
3908         * tree-ssa.c (verify_use): Fix error message.
3909         (propagate_into_addr, replace_immediate_uses, get_eq_name,
3910         check_phi_redundancy, kill_redundant_phi_nodes,
3911         pass_redundant_phi): Remove.  Update all users.
3912         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3913         add_type_alias, if necessary.
3914         * tree-vectorizer.h (struct _stmt_vect_info): Update
3915         documentation for field 'memtag'.
3916         * tree-vrp.c: New file.
3917         * tree.def (ASSERT_EXPR): Define.
3918         * tree.h (ASSERT_EXPR_VAR): Define.
3919         (ASSERT_EXPR_COND): Define.
3920         (SSA_NAME_VALUE_RANGE): Define.
3921         (struct tree_ssa_name): Add field 'value_range'.
3922         (PHI_REWRITTEN): Remove.
3923         (struct tree_phi_node): Remove field 'rewritten'.
3924         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
3925         -ftree-store-copy-prop): Document.
3926         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
3927         Document usage of update_ssa.
3928
3929 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
3930
3931         PR target/20814
3932         * config/rs6000/predicates.md (altivec_register_operand): Accept
3933         SUBREG.
3934         (and64_operand): Do not limit CONST_INT to mask64_operand.
3935         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
3936         (and_operand): Do not limit CONST_INT to mask_operand.
3937
3938 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
3939
3940         PR rtl-optimization/20466
3941         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
3942         for overlap of the address of each list member.
3943         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
3944
3945 2005-04-08  Mike Stump  <mrs@apple.com>
3946
3947         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
3948
3949         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
3950         instead of 4.
3951
3952 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
3953
3954         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
3955
3956         * function.c (push_function_context_to): Don't set
3957         contains_functions.
3958         * function.h (function): Remove contains_functions.
3959         (current_function_contains_functions): Remove.
3960
3961         * function.h (function): Remove instrument_entry_exit.
3962         (current_function_instrument_entry_exit): Remove.
3963
3964         * function.h (nonlocal_labels): Remove.
3965
3966         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
3967
3968         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
3969         (check_attr_value, write_attr_get, write_expr_attr_cache,
3970         find_attr, make_internal_attr): Don't reference negative_ok or
3971         unsigned_p.
3972         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
3973         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
3974         (ATTR_STATIC): Adjust the value.
3975
3976         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
3977
3978 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
3979
3980         * config/s390/tpf.h (ASM_SPEC): Define.
3981
3982 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
3983
3984         * tree-flow.h: Remove the prototype for
3985         redirect_immediate_uses.
3986         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
3987
3988 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
3989
3990         * arm.c (arm_const_double_by_parts): New function.
3991         * arm-protos.h (arm_const_double_by_parts): Add prototype.
3992         * arm.md (define_split for 64-bit constants): Add another one.
3993
3994 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
3995
3996         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
3997
3998 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3999
4000         * system.h: Revert last change.
4001
4002 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
4003
4004         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
4005         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
4006         (TARGET_SWITCHES): Delete.
4007         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4008         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
4009         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
4010         * config/xtensa/xtensa.opt: New file.
4011
4012 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4013
4014         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4015         * config/fp-bit.h: Tidy comments.
4016
4017 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4018
4019         * system.h: Poison PARAMS.
4020
4021 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
4022
4023         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
4024         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
4025         (TARGET_SWITCHES): Delete.
4026         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4027         * config/vax/vax.opt: New file.
4028
4029 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4030
4031         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4032
4033 2005-04-07  Ian Lance Taylor  <ian@airs.com>
4034
4035         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
4036         define.
4037         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
4038         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
4039         Likewise.
4040
4041 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4042
4043         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4044         all immediate uses in PHI nodes.
4045
4046 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
4047
4048         * arm.c (arm_const_double_inline_cost): Handle any constant by
4049         using gen_lowpart and gen_highpart_mode.
4050         (note_invalid_constants): All constants in an RTX with a constraint
4051         that permits memory are now pushed to the constant pool.
4052         (output_move_double): Delete code to handle reg to reg and
4053         constant to reg moves.
4054         (const_double_needs_minipool, output_mov_immediate): Delete.
4055         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
4056         CONST_INT and CONST_VECTOR.
4057         * arm.md (ANY64): New mode macro.
4058         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
4059         (movdf_soft_insn): Split reg-reg and const-reg moves.
4060         (split patterns for 64-bit constant and register moves): New.
4061         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
4062         (cirrus_movdf_hard_insn): Likewise.
4063         * fpa.md (movdf_fpa): Likewise.
4064         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
4065         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
4066         constraints.
4067         (movv2si_internal_2): Likewise.
4068         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
4069         (movdf_vfp): Likewise.
4070         * arm-protos.h (output_mov_immediate): Delete prototype.
4071
4072 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4073
4074         PR target/20093
4075         * simplify-rtx.c (simplify_unary_operation_1): Check
4076         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4077
4078 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4079
4080         PR target/20717
4081         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
4082         ADDR_EXPR.
4083
4084 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4085
4086         * coverage.h (GCOV_TYPE_NODE): Delete.
4087         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
4088         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
4089         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
4090         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
4091         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
4092
4093 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4094
4095         PR other/20792
4096         * Makefile.in (gcc.pot): Remove options.c dependency.
4097         * optc-gen.awk: Don't quote help strings with N_().
4098
4099 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
4100
4101         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
4102         the function returns a pointer type.
4103
4104 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
4105
4106         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
4107         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
4108         * doc/invoke.texi: Documnet salias-max-implicit-fields.
4109         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
4110         explicit_uses members.
4111         (get_or_create_used_part_for): Initialize new fields.
4112         (fieldoff_compare): New function.
4113         (create_overlap_variables_for): Count number of fields, use
4114         heuristic to determine whether to create subvars for vars with
4115         only implicit uses.
4116         Sort the field list by offset and avoid creating duplicate SFT's.
4117
4118 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4119
4120         * c.opt (-F): Remove trailing whitespace from help string.
4121         (-finput-charset): Use a tab to separate the switch name and help
4122         string.
4123         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
4124         (-ftree-vectorizer-verbose): Likewise.
4125
4126 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4127
4128         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
4129         a PHI argument where a use occurs instead of all PHI arguments.
4130
4131 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
4132
4133         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
4134         scope.
4135
4136 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4137
4138         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
4139         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
4140         config/bfin/bfin.h: Fix comment typos.
4141
4142 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
4143
4144         * doc/install.texi: Update the URL for Jacks.
4145         * doc/sourcebuild.texi: Likewise.
4146
4147 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4148
4149         PR target/17245
4150         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
4151         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
4152
4153 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4154
4155         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
4156
4157 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4158
4159         * config/v850/v850-protos.h (override_options): Delete.
4160         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
4161         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
4162         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
4163         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
4164         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
4165         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
4166         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
4167         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
4168         (OVERRIDE_OPTIONS): Delete.
4169         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
4170         (small_memory_info): Remove the value field.
4171         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
4172         TARGET_NO_APP_REGS.
4173         * config/v850/v850.c (small_memory): Remove the value field.
4174         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4175         (override_options): Delete.
4176         (v850_handle_memory_option, v850_handle_option): New functions.
4177         * config/v850/v850.opt: New file.
4178
4179 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
4180
4181         * config.host: Add a section for generic hosts, and a subsection
4182         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
4183         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
4184         * config/host-darwin.h: New.
4185         * config/x-darwin: New.
4186         * config/i386/host-i386-darwin.c: New.
4187         * config/i386/x-darwin: New.
4188         * config/rs6000/host-darwin.c: Include host-darwin.h.
4189         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
4190         (darwin_rs6000_gt_pch_use_address): Likewise.
4191         * config/rs6000/x-darwin: Change name of .o built, update
4192         dependencies for changes to rs6000/host-darwin.c.
4193
4194 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4195
4196         PR target/17824
4197         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
4198
4199 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
4200
4201         * tree-vect-analyze.c (vect_analyze_loop_form): Call
4202         split_loop_exit_edge instead of loop_split_edge_with.
4203
4204 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
4205
4206         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
4207         UNSPEC_SET_VSCR): New constants, used throughout.
4208         (*andc3_v4sf): New.
4209         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
4210         Replace with...
4211         (altivec_vspltis<VI_char>): ... this pattern, using
4212         a QImode const_int_operand for the immediate.
4213         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
4214         define_expands.
4215
4216 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4217
4218         PR target/17822
4219         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
4220
4221 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4222
4223         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
4224
4225 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4226
4227         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
4228         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
4229         macros as living in "this file" and not gcc.h.
4230
4231 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4232
4233         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
4234         -ftree-live_range_split.  Perhaps renamed at some point?
4235
4236 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4237
4238         PR target/20625
4239         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
4240         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
4241
4242 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4243
4244         * tree-flow.h (number_of_iterations_cond): Declaration removed.
4245         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
4246         (number_of_iterations_special): New function.
4247         (number_of_iterations_exit): Use number_of_iterations_special.
4248         Use simplify_using_outer_evolutions only at -O3.
4249         (number_of_iterations_cond, tree_simplify_using_condition,
4250         simplify_using_initial_conditions, loop_niter_by_eval,
4251         compare_trees, can_count_iv_in_wider_type_bound,
4252         simplify_using_outer_evolutions): Use fold_build.
4253
4254 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
4255
4256         * doc/install.texi (Configuration): Document --with-java-home.
4257
4258 2005-04-05  Richard Henderson  <rth@redhat.com>
4259
4260         PR target/20342
4261         PR target/20447
4262         * config/i386/i386.c (print_operand): Handle vector zeros.
4263         (ix86_split_to_parts): Handle CONST_VECTOR.
4264         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
4265         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
4266         what modes to tie for MMX and SSE registers.
4267         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
4268         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
4269         to vector modes as well.
4270         * config/i386/predicates.md (const0_operand): Handle VOIDmode
4271         properly as an input mode.
4272
4273 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4274
4275         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
4276
4277 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4278
4279         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
4280
4281 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4282
4283         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
4284         and local functions, set sse_nregs to 8 and float_in_sse.
4285         (function_arg_advance, function_arg): If float_in_sse, pass
4286         SFmode and DFmode arguments in SSE registers.
4287         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
4288
4289         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
4290         of -funit-at-a-time.
4291
4292 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
4293
4294         * config/i386/i386-protos.h (ix86_function_value): Accept two
4295         arguments, like the target macro.
4296         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
4297         * config/i386/i386.c (ix86_function_value): Accept the second
4298         argument of the target macro.
4299         (ix86_function_ok_for_sibcall): Pass a function pointer to
4300         ix86_function_value.
4301         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
4302         call to ix86_value_regno).
4303         (ix86_value_regno): Add support for returning floating point values
4304         in SSE registers.
4305
4306 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4307
4308         PR tree-optimization/20076
4309         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
4310         that call __builtin_return or __builtin_apply_args.
4311
4312 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4313
4314         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
4315         Use immediate use iterator.
4316         (stmt_is_bumper_for_loop): Use immediate use iterator.
4317         * predict.c (strip_builtin_expect): Use update_stmt.
4318         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
4319         on all elements of a STATEMENT_LIST.
4320         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
4321         (bsi_remove): Remove imm_use links and mark the stmt as modified.
4322         (bsi_replace): Mark stmt as modified and the update it.
4323         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
4324         (expand_complex_libcal): Call update_stmt.
4325         (expand_complex_comparison): Call mark_stmt_modified.
4326         (expand_complex_operations_1): Call update_stmt_if_modified.
4327         (expand_vector_operations_1): Call mark_stmt_modified.
4328         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
4329         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
4330         add_immediate_use, redirect_immediate_use,
4331         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
4332         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
4333         (mark_new_vars_to_rename): Call update_stmt.
4334         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
4335         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
4336         Ignore PHI nodes.
4337         (unmodify_stmt): Delete.
4338         (update_stmt): New.  Force an update of a stmt.
4339         (update_stmt_if_modified): update a stmt if it is out of date.
4340         (get_stmt_operands): Verify stmt is NOT modified.
4341         (stmt_modified_p): Update comment.
4342         (delink_imm_use): Remove a use node from its immuse list.
4343         (link_imm_use_to_list): Link a use node to a specific list.
4344         (link_imm_use): Link a node to the correct list.
4345         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
4346         it in the correct list, if appropriate.
4347         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
4348         (relink_imm_use): Link a use node in place of another node in a list.
4349         (relink_imm_use_stmt): LInk a node in place of another node, and set
4350         the stmt pointer.
4351         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
4352         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
4353         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
4354         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
4355         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
4356         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
4357         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
4358         (has_zero_uses): New.  Return true if there are no uses of a var.
4359         (has_single_use): New.  Return true if there is only a single use of a
4360         variable.
4361         (single_imm_use): New.  Return the simgle immediate use.
4362         (num_imm_uses): New.  Return the number of immediate uses.
4363         (get_v_must_def_ops): Use is now a pointer.
4364         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
4365         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
4366         the use node.
4367         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
4368         (delink_stmt_imm_use): Delink all immuses from a stmt.
4369         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
4370         * tree-flow.h (struct dataflow_d): Delete.
4371         (immediate_use_iterator_d): New.  Immediate use iterator struct.
4372         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
4373         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
4374         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
4375         iteration.
4376         (struct stmt_ann_d): Remove dataflow_t from struct.
4377         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
4378         (if_convertible_phi_p): Use FAST immuse iterator.
4379         (if_convertible_loop_p): Don't call compute_immediate_uses.
4380         (replace_phi_with_cond_modify_expr): Call update_stmt.
4381         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
4382         update_stmt_if_modified.
4383         (rewrite_all_into_ssa): Initialize ssa operands.
4384         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
4385         compute_immediate_uses.
4386         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
4387         ssa_property is available.
4388         (execute_one_pass):  Change parameters passed to execute_todo.
4389         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
4390         (remove_ssa_form): Call fini_ssa_operands.
4391         (insert_backedge_copies): Delete call to modify_stmt.
4392         * tree-phinodes.c (make_phi_node): Initialize use nodes.
4393         (release_phi_node): Delink any use nodes before releasing.
4394         (resize_phi_node): Relink any use nodes.
4395         (remove_phi_arg_num): Delink the use node.
4396         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
4397         (remove_all_phi_nodes_for): Release phi node first.
4398         * tree-pretty-print.c (dump_generic_node): Print stmt address.
4399         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
4400         (scalarize_use, scalarize_copy): Call update_stmt.
4401         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
4402         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
4403         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
4404         (ccp_initialize): Remove call to compute_immediate_uses.
4405         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
4406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
4407         stmts.
4408         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
4409         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
4410         (eliminate_redundant_computations): Call mark_stmt_modified.
4411         (cprop_operand): Call mark_stmt_modified.
4412         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
4413         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
4414         (dse_optimize_stmt): Use new immuse interface.
4415         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
4416         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
4417         (substitute_single_use_vars): Use new immuse interface.
4418         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
4419         and compute_immediate_uses.
4420         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
4421         interface.
4422         (rewrite_mem_refs): Call update_stmt.
4423         (determine_lsm): Remove call to compute_imm_uses and free_df.
4424         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
4425         (try_unroll_loop_completely): Call update_stmt.
4426         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
4427         (rewrite_use_compare): Call update_stmt.
4428         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
4429         (rewrite_use) : Call update_stmt.
4430         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
4431         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
4432         update_stmt.
4433         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
4434         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
4435         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
4436         use nodes.
4437         (initialize_vuse_operand): New.  Initialize a vuse operand.
4438         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
4439         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
4440         (finalize_ssa_defs): Use stmt parameter.
4441         (correct_use_link): Ensure a use node is in the correct list, and has
4442         the correct stmt pointer.
4443         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
4444         finalize_ssa_v_must_defs): Also initialize use nodes.
4445         (finalize_ssa_stmt_operands): Pass extra stmt operands.
4446         (build_ssa_operands): Seperate parsing from final operand construction.
4447         (parse_ssa_operands): New.  Parse entry point for operand building.
4448         (swap_tree_operands): New.  Swap 2 tree operands.
4449         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
4450         operands.
4451         (get_expr_operands): Call swap_tree_operands when needed.
4452         (copy_virtual_operands): Use initialize routines for virtual use ops.
4453         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
4454         (verify_abort): New.  Issue imm_use error.
4455         (verify_imm_links): New Verify imm_use links for a var.
4456         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
4457         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
4458         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
4459         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
4460         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
4461         (NULL_USE_OPERAND_P) Define.
4462         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
4463         use node.
4464         (struct vuse_operand_type): New struct.
4465         (SET_USE): Call set_ssa_use_from_ptr.
4466         (USE_STMT): Define.
4467         (PHI_ARG_INDEX_FROM_USE): Define.
4468         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
4469         argument via SET_USE, not PHI_ARG_DEF_TREE.
4470         * tree-ssa-pre.c (eliminate): Call update_stmt.
4471         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
4472         call free_df.
4473         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
4474         (nearest_common_dominator_of_uses): Use imm_use iterator.
4475         (statement_sink_location): Use imm_use iterator and interface.
4476         (execute_sink_code): Don't call compute_immediate_uses or free-df.
4477         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
4478         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
4479         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
4480         (verify_ssa): Ensure no stmt is marked modify after optimization pass
4481         if new parameter is true.
4482         (init_tree_ssa): Don't initialize operand cache here.
4483         (delete_tree_ssa): Don't destroy operand cache here.
4484         (propagate_into_addr): Pass in a use pointer, return true if anything
4485         was changed.
4486         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
4487         (check_phi_redundancy): Use imm_use iterator.
4488         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
4489         free_df.
4490         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
4491         (release_ssa_name): Delink node and all elements in its imm_use list.
4492         * tree-tailcall.c (adjust_return_value): Call update_stmt.
4493         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
4494         * tree-vectorizer.c (need_imm_uses_for): Delete.
4495         (vectorize_loops): Dont call compute_immediate_uses or free_df.
4496         * tree.h (struct ssa_imm_use_d): Define.
4497         (SSA_NAME_IMM_USE_NODE): Define.
4498         (struct tree_ssa_name): Add imm_use node.
4499         (PHI_DF): Delete.
4500         (PHI_ARG_IMM_USE_NODE): Define.
4501         (struct phi_arg_d): Add imm_use node.
4502         (struct tree_phi_node): Remove struct dataflow_d element.
4503         (TDF_STMTADDR): Define.
4504
4505 2005-04-05  Dale Johannesen  <dalej@apple.com>
4506
4507         * doc/invoke.texi (Optimization Options):  Remove
4508         duplicate -fcse-follow-jumps.  Add -fweb.
4509         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
4510         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
4511
4512 2005-04-05  Per Bothner  <per@bothner.com>
4513
4514         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
4515         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
4516         (warn_uninit): Get EXPR_LOCUS from context now instead.
4517         This fixes a USE_MAPPED_LOCATION testsuite failure.
4518
4519         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
4520
4521 2005-04-05  Per Bothner  <per@bothner.com>
4522
4523         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
4524         of the artification 'return 0' in main() to BUILTINS_LOCATION.
4525         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
4526         before warning.
4527
4528 2004-04-05  Devang Patel  <dpatel@apple.com>
4529
4530         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
4531         (lhsr<mode>3): ... new name.
4532         (altivec_vsra<VI_char>): Rename to ..
4533         (ashr<mode>3): ... new name.
4534         * config/rs6000/rs6000.c (builtin_description): Rename shift
4535         operations.
4536
4537 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
4538
4539         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
4540         gen_lowpart_for_combine.
4541         * cse.c (gen_lowpart_if_possible): Move...
4542         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
4543         gen_lowpart_SUBREG.
4544         (gen_lowpart_no_emit_general): Use it.
4545
4546 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4547
4548         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
4549         overriding.
4550
4551 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
4552
4553         * system.h: Fix typo.
4554
4555 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4556
4557         * config/bfin/bfin-modes.def: New file.
4558         * config/bfin/bfin-protos.h: New file.
4559         * config/bfin/bfin.c: New file.
4560         * config/bfin/bfin.h: New file.
4561         * config/bfin/bfin.md: New file.
4562         * config/bfin/bfin.opt: New file.
4563         * config/bfin/crti.s: New file.
4564         * config/bfin/crtn.s: New file.
4565         * config/bfin/elf.h: New file.
4566         * config/bfin/lib1funcs.asm: New file.
4567         * config/bfin/predicates.md: New file.
4568         * config/bfin/t-bfin: New file.
4569         * config/bfin/t-bfin-elf: New file.
4570         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
4571         Document new attributes.
4572         (interrupt, interrupt_handler, saveall): Update documentation for
4573         these attributes.
4574         * doc/install.texi (Specific): Add entry for the Blackfin.
4575         * doc/invoke.texi (Blackfin Options): New section.
4576         * doc/md.texi (Blackfin family): New section to document constraints.
4577         * config.gcc: Add bfin*-* and bfin*-elf configurations.
4578
4579 2005-04-05  Olivier Hainque  <hainque@adacore.com>
4580
4581         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
4582         match what the system unwinder expects.
4583         * config/mips/mips.c (mips_frame_set): If we're saving the return
4584         address register and the dwarf return address column number differs
4585         from the hard register number, adjust the note reg to refer to the
4586         former.
4587
4588 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
4589
4590         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
4591         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
4592         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
4593         (processor_type): New enum.
4594         (mn10300_processor): New variable.
4595         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
4596         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
4597         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
4598         (PROCESSOR_DEFAULT): New macro.
4599         * config/mn10300/mn10300.c (mn10300_processor): New variable.
4600         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4601         (mn10300_handle_option, mn10300_override_options): New functions.
4602         * config/mn10300/mn10300.opt: New file.
4603
4604 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4605             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
4606
4607         PR tree-optimization/19903
4608         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
4609         that don't fit in their type after conversion.
4610
4611 2005-04-05  Uros Bizjak <uros@kss-loka.si>
4612
4613         PR target/20421
4614         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
4615         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
4616         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
4617         flag here. Implement using define_insn_and_split.
4618         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
4619         (frndintxf2_mask_pm_i387): New insn patterns.
4620         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
4621         Do not set ix86_optimize_mode_switching flag.
4622         (ceilsf2, ceildf2, ceilxf2): Same.
4623         (btruncsf2, btruncdf2, btruncxf2): Same.
4624         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
4625
4626 2005-04-05  Ian Lance Taylor  <ian@airs.com>
4627
4628         PR debug/9963
4629         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
4630         i386_pe_record_external_function.
4631         (i386_pe_record_external_function): Update declaration.
4632         * config/i386/winnt.c (struct extern_list): Add decl field.
4633         (i386_pe_record_external_function): Add decl parameter.
4634         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
4635         identifier.
4636         * config/i386/i386-protos.h (i386_pe_record_external_function):
4637         Update declaration.
4638
4639 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
4640
4641         * config/m68k/m68k-protos.h: Add a prototype for
4642         valid_dbcc_comparison_p_2.
4643         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
4644         extend_operator, const_uint32_operand, const_sint32_operand,
4645         general_src_operand, nonimmediate_src_operand,
4646         memory_src_operand, post_inc_operand, pre_dec_operand,
4647         pcrel_address): Move to predicates to predicates.md.
4648         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
4649         * config/m68k/m68k.md: Include predicates.md.
4650         * config/m68k/predicates.md: New.
4651
4652 2005-04-04  Roger Sayle  <roger@eyesopen.com>
4653
4654         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
4655
4656         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
4657
4658 2005-04-04  Ian Lance Taylor  <ian@airs.com>
4659
4660         * c-typeck.c (struct c_switch): Rename switch_stmt field to
4661         switch_expr.
4662         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
4663         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
4664         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
4665         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
4666         * c-common.c (c_do_switch_warnings_1): New static function broken
4667         out of c_do_switch_warnings.
4668         (c_do_switch_warnings): Call c_do_switch_warnings_1.
4669         (c_do_switch_expr_warnings): New function.
4670         * c-common.h (c_do_switch_expr_warnings): Declare.
4671
4672 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
4673             Daniel Jacobowitz  <dan@codesourcery.com>
4674
4675         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
4676         trapping divide.
4677         * rtlanal.c (may_trap_p): Same.
4678
4679 2005-04-04  Dale Johannesen  <dalej@apple.com>
4680
4681         * ChangeLog:  remove reference to ChangeLog.12.
4682
4683 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
4684
4685         CRIS epilogue as RTL.
4686         * config/cris/cris.md: Change all 0 in unspec 0 to
4687         CRIS_UNSPEC_PLT.
4688         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
4689         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
4690         patterns.
4691         ("return"): Change to define_expand.  Call cris_expand_return for
4692         actual expansion.
4693         ("*return_expanded"): New pattern.
4694         ("epilogue"): New define_expand.
4695         * config/cris/cris.h (PREDICATE_CODES): Add
4696         cris_load_multiple_op.
4697         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
4698         type.
4699         (enum cris_retinsn_type): New.
4700         (struct machine_function): New member return_type.
4701         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
4702         (cris_target_asm_function_epilogue): Remove, moving RTLified
4703         contents to...
4704         (cris_expand_epilogue): New function.
4705         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
4706         (cris_gen_movem_load, cris_load_multiple_op)
4707         (cris_return_address_on_stack_for_return, cris_expand_return): New
4708         functions.
4709         (cris_target_asm_function_prologue)
4710         (cris_initial_frame_pointer_offset): Call
4711         cris_reg_saved_in_regsave_area instead of complicated expression.
4712         Call cris_return_address_on_stack instead of an expression.
4713         (cris_print_operand) <case 'o', case 'O'>: New cases.
4714         (cris_return_address_on_stack): Change return-type to bool.
4715         (cris_simple_epilogue): Ditto.  Return false if registers are
4716         saved.
4717         * config/cris/cris-protos.h (cris_simple_epilogue)
4718         (cris_return_address_on_stack): Adjust prototype return type.
4719         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
4720         (cris_return_address_on_stack_for_return): New prototypes.
4721
4722 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4723
4724         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
4725         gpr_or_int12_operand.
4726
4727         * config/frv/frv-protos.h: Add a prototype to
4728         frv_legitimate_memory_operand and frv_const_unspec_p.
4729         (frv_unspec): Move from frv.c.
4730         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
4731         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
4732         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
4733         gpr_or_fpr_operand, gpr_or_int12_operand,
4734         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
4735         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
4736         int6_operand, int5_operand, uint5_operand, uint4_operand,
4737         uint1_operand, int_2word_operand, uint16_operand,
4738         upper_int16_operand, integer_register_operand,
4739         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
4740         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
4741         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
4742         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
4743         move_destination_operand, movcc_fp_destination_operand,
4744         frv_function_symbol_referenced_p, move_source_operand,
4745         condexec_dest_operand, condexec_source_operand,
4746         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
4747         const_unspec_operand, gpr_or_memory_operand,
4748         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
4749         icc_operand, fcc_operand, cc_operand, icr_operand,
4750         fcr_operand, cr_operand, call_operand, sibcall_operand,
4751         symbolic_operand, relational_operator,
4752         integer_relational_operator, float_relational_operator,
4753         ccr_eqne_operator, minmax_operator,
4754         condexec_si_binary_operator, condexec_si_media_operator,
4755         condexec_si_divide_operator, condexec_si_unary_operator,
4756         condexec_sf_conv_operator, condexec_sf_add_operator,
4757         condexec_memory_operand, intop_compare_operator, acc_operand,
4758         even_acc_operand, quad_acc_operand, accg_operand: Move to
4759         predicates.md.
4760         * config/frv/frv.h (PREDICATE_CODES): Remove.
4761         * config/frv/frv.md: Include predicates.md.
4762         * config/frv/predicates.md: New.
4763
4764 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
4765
4766         PR target/19537
4767         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
4768         * tree-ssa-loop-ivopts.c: Include langhooks.h.
4769         (add_standard_iv_candidates_for_size): New function, extracting code
4770         from add_standard_iv_candidates and parameterizing it by type size.
4771         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
4772
4773 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
4774
4775         * system.h (GCOV_SIZE_TYPE): Unposion.
4776         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
4777         (GCOV_TYPE_SIZE): ...this new macro.
4778         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
4779         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
4780         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
4781         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
4782         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
4783         instead of unsigned_intSI_type_node.
4784         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
4785         (rtl_gen_one_value_profiler_no_edge_manipulation)
4786         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
4787         * value-prof.c: Include coverage.h.
4788
4789 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
4790             Diego Novillo <dnovillo@redhat.com>
4791
4792         Fix PR tree-optimization/20703
4793         Fix PR tree-optimization/20725
4794
4795         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
4796         (create_expression_by_pieces): Ditto.
4797         (valid_in_set): Ditto. Also handle tcc_declaration.
4798         (find_or_generate_expression): Handle comparison class.
4799         (insert_into_preds_of_block): Ditto.
4800         (insert_aux): Ditto.
4801         (create_value_expr_from): Handle comparison class, recursively
4802         handle reference nodes.
4803         (compute_avail): Handle comparison classes, rewrite a little cleaner.
4804         (execute_pre): Fix spacing.
4805         (do_fre): Renamed to execute_fre.
4806
4807 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4808
4809         * doc/invoke.texi (SPARC options): Document that
4810         -mlittle-endian is not supported on Linux either.
4811
4812 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4813
4814         PR target/4198
4815         PR target/12027
4816         * config.gcc (Obsolete configurations): Remove
4817         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
4818         (sparclite-*-coff*): Delete.
4819         (sparclite-*-elf*): Likewise.
4820         (sparc86x-*-elf*): Likewise.
4821         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
4822         * config/sparc/lite.h: Delete.
4823         * config/sparc/litecoff.h: Likewise.
4824         * config/sparc/liteelf.h: Likewise.
4825         * config/sparc/sp86x-elf.h: Likewise.
4826         * config/sparc/t-sparclite: Likewise.
4827         * config/sparc/t-sp86x: Likewise.
4828
4829 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
4830
4831         * config/s390/s390-protos.h: (s390_comparison,
4832         s390_alc_comparison, s390_slb_comparison, const0_operand,
4833         consttable_operand, larl_operand, s_operand,
4834         shift_count_operand, bras_sym_operand, load_multiple_operation,
4835         store_multiple_operation, s390_plus_operand): Remove prototypes.
4836         (s390_legitimate_address_without_index_p): New prototype.
4837         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
4838         to s390.h.
4839         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
4840         const0_operand, consttable_operand, larl_operand, s_operand,
4841         shift_count_operand, bras_sym_operand, load_multiple_operation,
4842         store_multiple_operation, s390_plus_operand): Move to
4843         predicates.md.
4844         (check_mode): Remove.
4845         (s390_branch_condition_mask): Remove 'static'. Move prototype to
4846         s390-protos.h.
4847         (s390_legitimate_address_without_index_p): New.
4848         * config/s390/s390.h (PREDICATE_CODES): Remove.
4849         * config/s390/s390.md: Include predicates.md.
4850         * config/s390/predicates.md: New.
4851
4852 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4853
4854         PR target/20446
4855         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
4856         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
4857         (NEED_INDICATE_EXEC_STACK): Define to 1.
4858         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
4859         (NEED_INDICATE_EXEC_STACK): Define to 1.
4860         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
4861         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
4862         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
4863         (pic_helper_emitted_p): New global.
4864         (emit_pic_helper): New function extracted from...
4865         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
4866         Do not call emit_pic_helper if delay_pic_helper is true.
4867         (sparc_expand_prologue): Pass 'false' to load_pic_register.
4868         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
4869         (sparc_file_end): New function.
4870
4871 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4872
4873         * config/mcore/mcore-protos.h: Remove the prototypes for
4874         mcore_arith_reg_operand, mcore_general_movsrc_operand,
4875         mcore_general_movdst_operand, mcore_reload_operand,
4876         mcore_arith_J_operand, mcore_arith_K_operand,
4877         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
4878         mcore_arith_K_S_operand, mcore_arith_imm_operand,
4879         mcore_arith_any_imm_operand, mcore_arith_O_operand,
4880         mcore_literal_K_operand, mcore_addsub_operand,
4881         mcore_compare_operand, mcore_load_multiple_operation,
4882         mcore_store_multiple_operation, mcore_call_address_operand.
4883         Add a prototype for const_ok_for_mcore.
4884         * config/mcore/mcore.c (mcore_call_address_operand,
4885         mcore_general_movsrc_operand, mcore_general_movdst_operand,
4886         mcore_arith_reg_operand, mcore_reload_operand,
4887         mcore_arith_J_operand, mcore_arith_K_operand,
4888         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
4889         mcore_arith_M_operand, mcore_arith_imm_operand,
4890         mcore_arith_any_imm_operand, mcore_arith_O_operand,
4891         mcore_literal_K_operand, mcore_addsub_operand,
4892         mcore_compare_operand, mcore_load_multiple_operation,
4893         mcore_store_multiple_operation): Move to predicates.md.
4894         (const_ok_for_mcore): Export.
4895         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
4896         * config/mcore/mcore.md: Include predicates.md.
4897         * config/mcore/predicates.md: New.
4898
4899         * config/mcore/predicates.md: Fix a comment typo.
4900
4901 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
4902             Adrian Straetling  <straetling@de.ibm.com>
4903
4904         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
4905         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
4906         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
4907         attribute.
4908         ("imul"): Removed from "type" attribute.
4909         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
4910         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
4911         Changed type to imulsi.
4912         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
4913
4914 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4915
4916         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
4917         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
4918         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
4919         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
4920         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
4921         (TARGET_SWITCHES, mcore_stack_increment_string)
4922         (TARGET_OPTIONS): Delete.
4923         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
4924         than *_BIT constants.
4925         (TARGET_8ALIGN): #undef old definition before redefining to 1.
4926         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
4927         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
4928         (mcore_override_options): Delete mcore_stack_increment code.
4929         Change use of M340_BIT to MASK_M340.
4930         * config/mcore/mcore.opt: New file.
4931
4932 2005-04-04  Ian Lance Taylor  <ian@airs.com>
4933
4934         * config/arm/arm.c (replace_symbols_in_block): Remove static
4935         function.
4936
4937 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4938
4939         * config/fr30/fr30-protos.h: Remove the prototypes for
4940         stack_add_operand, add_immediate_operand,
4941         high_register_operand, low_register_operand, call_operand,
4942         di_operand, and nonimmediate_di_operand.
4943         * config/fr30/fr30.c (stack_add_operand,
4944         add_immediate_operand, high_register_operand,
4945         low_register_operand, call_operand, di_operand,
4946         nonimmediate_di_operand): Move to predicates.md.
4947         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
4948         * config/fr30/fr30.md: Include predicates.md.
4949         * config/fr30/predicates.md: New.
4950
4951         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
4952         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
4953         mcore_call_address_operand.
4954
4955         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
4956         general_movsrc_operand.
4957
4958 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
4959
4960         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
4961         after freeing.
4962
4963 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
4964
4965         PR target/14812
4966         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
4967         a negated value.
4968
4969 2005-04-04  Richard Henderson  <rth@redhat.com>
4970             Jakub Jelinek  <jakub@redhat.com>
4971
4972         PR rtl-optimization/16104
4973         * fold-const.c (fold_unary): Fix folding of vector conversions.
4974
4975 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4976
4977         * config.gcc (xstormy16-*-elf): Set extra_options.
4978         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
4979         * config/stormy16/stormy16.opt: New file.
4980
4981 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4982
4983         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
4984         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
4985         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
4986         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
4987         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
4988         (TARGET_UNIX_ASM): Delete.
4989         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
4990         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
4991         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
4992         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4993         * config/pdp11/pdp11.opt: New file.
4994
4995 2005-04-03  Roger Sayle  <roger@eyesopen.com>
4996             Alexandre Oliva  <aoliva@redhat.com>
4997
4998         PR c++/19199
4999         * fold-const.c (non_lvalue): Split tests into...
5000         (maybe_lvalue_p): New function.
5001         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
5002         C++ front-end prior to lowering into gimple form.
5003
5004 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5005
5006         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
5007         BUILT_IN_STRNCASECMP): New.
5008         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
5009         and strndup.
5010
5011 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
5012
5013         PR target/14812
5014         * arm.md (addsi3_compare0_for_combiner): Delete.
5015         (addsi3_compare0_scratch_for_combiner): Delete.
5016         (cmpsi_neg_shiftsi): Delete.
5017         (compare_negsi_si): New pattern.
5018         (cmpsi_negshiftsi_si): New pattern.
5019         (negated_cbranchsi4): Restrict to equality_operator.
5020
5021         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5022         template.
5023
5024 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5025
5026         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5027         Fix comment typos.
5028
5029         * doc/install.texi: Fix a typo.
5030
5031 2005-04-03  Steven Bosscher  <stevenb@suse.de>
5032
5033         PR middle-end/20648
5034         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
5035         a computed goto if the edge to the computed goto block has
5036         incoming abnormal edges.  Clarify how the function works.
5037
5038 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
5039
5040         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
5041         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
5042         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
5043         hash_scan_set, reg_set_between_after_reload_p,
5044         reg_used_between_after_reload_p, get_avail_load_store_reg,
5045         eliminate_partially_redundant_load): Likewise.
5046         * postreload.c (reload_cse_simplify_set,
5047         reload_combine_note_use): Likewise.
5048         * predict.c (predict_insn, expected_value_to_br_prob,
5049         propagate_freq, expensive_function_p): Likewise.
5050         * print-rtl.c (print_rtx): Likewise.
5051         * profile.c (instrument_edges, instrument_values,
5052         compute_branch_probabilities, branch_prob, union_groups,
5053         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
5054         * protoize.c (in_system_include_dir, file_could_be_converted,
5055         file_normally_convertible, gen_aux_info_file, seek_to_line,
5056         do_cleaning): Likewise.
5057         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
5058         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5059         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
5060
5061 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5062
5063         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
5064         * modulo-sched.c (undo_replace_buff_elem): New structure.
5065         (kernel_number_of_cycles, ps_unschedule_node,
5066         undo_generate_reg_moves,free_undo_replace_buff,
5067         undo_permute_partial_schedule,  loop_single_full_bb_p,
5068         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
5069         build_loops_structure, get_sched_window): New.
5070         (generate_reg_moves): Return undo_replace_buff_elem and other
5071         fixes.
5072         (generate_prolog_epilog): Remove old loop versioning.
5073         (sms_schedule): Use loop information and loop_version.
5074         (sms_schedule_by_order): Split part of it to get_sched_window.
5075         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
5076         cfg_layout_finalize and free_dominance_info before/after SMS.
5077
5078 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5079
5080         * cfghooks.c (lv_flush_pending_stmts,
5081         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
5082         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
5083         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
5084         lv_add_condition_to_bb,
5085         lv_adjust_loop_header_phi, extract_cond_bb_edges,
5086         flush_pending_stmts): New in cfg_hooks structure.
5087         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
5088         extract_cond_bb_edges, lv_adjust_loop_header_phi,
5089         lv_add_condition_to_bb): New declarations.
5090         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
5091         bool.
5092         (loop_version): Declare.
5093         * cfgloopmanip.c (cfghooks.h): Include.
5094         (duplicate_loop_to_header_edge): Change return type to bool.
5095         (loop_version, lv_adjust_loop_entry_edge): Move here.
5096         * cfgrtl.c (cfgloop.h): Include.
5097         (rtl_verify_flow_info_1): Fix.
5098         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
5099         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
5100         initialization.
5101         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
5102         tree_lv_add_condition_to_bb): New.
5103         (tree_cfg_hooks): Add new hooks to initialization.
5104         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
5105         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
5106
5107 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5108
5109         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
5110         xstormy16_below100_or_register,
5111         xstormy16_splittable_below100_or_register, and
5112         nonimmediate_nonstack_operand.
5113
5114         * config/stormy16/stormy16-protos.h: Remove the prototypes for
5115         xstormy16_ineqsi_operator, equality_operator,
5116         inequality_operator, shift_operator,
5117         xstormy16_below100_operand, xstormy16_below100_or_register,
5118         xstormy16_splittable_below100_or_register,
5119         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
5120         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
5121         equality_operator, inequality_operator,
5122         xstormy16_below100_operand, xstormy16_below100_or_register,
5123         xstormy16_splittable_below100_or_register,
5124         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
5125         nonimmediate_nonstack_operand, shift_operator): Move to
5126         predicates.md.
5127         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
5128         * config/stormy16/stormy16.md: Include predicates.md.
5129         * config/stormy16/predicates.md: New.
5130
5131 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5132
5133         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
5134         small_int, large_int, reg_or_0_operand, simple_memory_operand,
5135         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
5136         move_operand, power_of_2_operand): Move to predicates.md.
5137         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
5138         PREDICATE_CODE): Remove.
5139         * config/iq2000/iq2000.md: Include predicates.md.
5140         * config/iq2000/predicates.md: New.
5141
5142 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
5143
5144         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
5145         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
5146         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
5147         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
5148         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
5149         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
5150         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
5151         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5152         (TARGET_M68HC11): Delete.
5153         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
5154         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
5155         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
5156         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5157         (nb_soft_regs): Delete.
5158         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
5159         (m68hc11_override_options): Remove the code that caters for MASK_M6811
5160         and MASK_M6812 being set simultaneously.  Change the code that sets
5161         the default m68hc11_soft_reg_count to use integers instead of strings.
5162         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
5163         m68hc11_soft_reg_count (which now has an int type) as the number
5164         of soft registers.
5165         * config/m68hc11/m68hc11.opt: New file.
5166
5167 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5168
5169         * config/fr30/fr30.h (PREDICATE_CODES): Remove
5170         fp_displacement_operand, sp_displacement_operand.
5171
5172         * config/m68hc11/m68hc11-protos.h: Add a prototype for
5173         m68hcc_auto_inc_p.
5174         Remove the prototypes for tst_operand, cmp_operand,
5175         stack_register_operand, d_register_operand,
5176         hard_addr_reg_operand, splitable_operand,
5177         m68hc11_logical_operator, m68hc11_arith_operator,
5178         m68hc11_non_shift_operator, m68hc11_shift_operator,
5179         m68hc11_unary_operator, m68hc11_eq_compare_operator,
5180         non_push_operand, hard_reg_operand, and
5181         reg_or_some_mem_operand.
5182         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
5183         extern.
5184         (tst_operand, cmp_operand, non_push_operand,
5185         splitable_operand, reg_or_some_mem_operand,
5186         stack_register_operand, d_register_operand,
5187         hard_addr_reg_operand, hard_reg_operand,
5188         m68hc11_eq_compare_operator, m68hc11_logical_operator,
5189         m68hc11_arith_operator, m68hc11_non_shift_operator,
5190         m68hc11_shift_operator, m68hc11_unary_operator): Move to
5191         predicates.md.
5192         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
5193         * config/m68hc11/m68hc11.md: Include predicates.md.
5194         * config/m68hc11/predicates.md: New.
5195
5196 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5197
5198         PR debug/19345
5199         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
5200         change checked in along with 2005-03-03's patch for debug/20253.
5201         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
5202         (remap_decl): Insert type decl in map earlier.
5203
5204 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5205
5206         PR tree-optimization/20640
5207         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
5208         post-dominator if it has phi nodes.
5209         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
5210         before dead statements.
5211
5212 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5213
5214         PR middle-end/20491
5215         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
5216
5217 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5218
5219         PR rtl-optimization/20290
5220         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
5221         in every iteration if the entry point is the exit test.
5222
5223 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
5224
5225         * config/cris/cris.md (attribute "length"): Define.
5226
5227 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
5228
5229         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
5230         (word_offset_memref_operand): New.
5231         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
5232         (indexed_or_indirect_operand): Delete.
5233         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
5234         (indexed_or_indirect_operand): Delete.
5235
5236         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
5237
5238         PR 20650
5239         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
5240         a register.
5241
5242         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
5243         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
5244
5245 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5246
5247         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
5248
5249 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5250
5251         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
5252         (rus, prus): Remove static variables.
5253         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
5254         (process_command): Permit report_times and use_pipes together.
5255
5256 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5257
5258         * c-decl.c (validate_proto_after_old_defn): Look at
5259         TYPE_MAIN_VARIANT of argument types.
5260
5261 2005-04-01  Paul Brook  <paul@codesourcery.com>
5262
5263         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
5264         (arm_output_function_epilogue): Allow call_via_SP.
5265         (thumb_call_via_reg, arm_file_end): Ditto.
5266         * config/arm/arm.h (struct machine_function): Include space for SP.
5267         (thumb_call_via_label): Update declaration.
5268
5269 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5270
5271         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
5272         doing a peephole optimization, once again put any notes in the
5273         proper position.
5274
5275 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5276
5277         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
5278
5279 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5280
5281         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
5282         (block_alloc, find_free_reg): Likewise.
5283         * loop-doloop.c (doloop_modify): Likewise.
5284         * loop-invariant.c (record_use): Likewise.
5285         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
5286         get_iv_value, canon_condition, eliminate_implied_condition,
5287         eliminate_implied_condition, simplify_using_initial_values,
5288         shorten_into_mode, canonicalize_iv_subregs,
5289         iv_number_of_iterations): Likewise.
5290         * loop-unroll.c (expand_var_during_unrolling): Likewise.
5291         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
5292         unswitch_loop): Likewise.
5293         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
5294         move_movables, replace_call_address, find_and_verify_loops,
5295         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
5296         record_giv, final_giv_value, general_induction_var,
5297         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
5298         loop_giv_dump): Likewise.
5299
5300         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
5301         GCOV_CHECK_WRITING): Remove.
5302         (gcov_position, gcov_rewrite): Use gcc_assert.
5303         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
5304         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
5305         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
5306         gcc_assert.
5307
5308 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5309
5310         * tree-inline.c: Fix a typo.
5311
5312 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5313
5314         * configure.ac (enable-checking): Explicitly set all variables for
5315         collective switch values.  Alphabetize variables. Rename
5316         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
5317         synonym for 'no'.
5318         * doc/install.texi (enable-checking): Update documentation.
5319         * configure: Rebuilt.
5320
5321 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5322
5323         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
5324         possible.
5325
5326 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5327
5328         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
5329         Also reject cases where this pattern will cause load delay stalls
5330         unless optimizing for size and it will produce a shorter sequence.
5331         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
5332         variants to avoid pre-adjusting the base when possible.
5333
5334 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5335
5336         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
5337         the frame and argument pointers.
5338         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
5339         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
5340         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
5341         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
5342         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
5343         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
5344
5345 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
5346
5347         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
5348         with entry for selectany attribute.
5349         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
5350         Declare.
5351         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
5352         (i386_pe_asm_named_section): Handle sections generated by
5353         selectany attribute.
5354         * doc/extend.texi (selectany): Document attribute.
5355
5356 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
5357             Jan Hubicka  <jh@suse.cz>
5358
5359         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
5360         to fix addresses involving EBP and ESP.
5361         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
5362         for SUBREGed registers.
5363         (legitimate_address_p): Accept SUBREGed registers.
5364
5365 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
5366
5367         PR c++/19406
5368         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
5369         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
5370         for FIELD_DECLs.
5371
5372 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5373
5374         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
5375
5376 2005-04-01  James E Wilson  <wilson@specifixinc.com>
5377
5378         PR c++/20505
5379         * dwarf2out.c (rtl_for_decl_init): New function.
5380         (rtl_for_decl_location): Extracted from here.
5381         (tree_add_const_value_attribute): Call rtl_for_decl_init and
5382         add_const_value_attribute.  Delete initializer_constant_valid_p call.
5383
5384 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5385
5386         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
5387         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
5388         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
5389         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
5390         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
5391         config/i386/i386.md, config/rs6000/predicates.md,
5392         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
5393         config/s390/s390.c, config/stormy16/stormy16.c,
5394         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
5395         typos.
5396
5397 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5398
5399         PR c/17855
5400         * gimplify.c (gimplify_expr): Create a temporary for lvalue
5401         COND_EXPR and CALL_EXPR.
5402
5403 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
5404
5405         PR target/20632
5406         * genautomata.c (first_cycle_unit_presence): Check all alternative
5407         states for unit presence.
5408
5409         * doc/md.texi: Remove remark about impossibility to query unit
5410         presence in non nondeterministic automaton state.
5411
5412         * config/ia64/ia64.c (get_template): Change order of unit querying.
5413
5414 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5415
5416         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
5417         obsolete comment.
5418
5419 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
5420
5421         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
5422         flag for edges outside any loops.
5423
5424 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
5425
5426         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
5427
5428 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5429
5430         * tree-ssa-alias.c: Follow spelling conventions.
5431         * doc/tree-ssa.texi: Fix a typo.
5432
5433 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
5434
5435         * postreload-gcse.c: Include target.h.
5436         (gcse_after_reload_main): Return early if we cannot modify jumps.
5437         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
5438
5439 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
5440
5441         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
5442         expensive operations.
5443
5444 2005-03-31  Ian Lance Taylor  <ian@airs.com>
5445
5446         * collect2.c (lderrout): New variable.
5447         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
5448         if it is set, to stderr.
5449         (handler): Unlink lderrout if it is set.
5450         (dump_file): Add "to" parameter.  Change all callers.
5451         (main): Initialize lderrout.
5452         (collect_execute): Add errname parameter.  Change all callers.
5453         Rename redir parameter to outname.  Never pass
5454         PEX_STDERR_TO_STDOUT to pex_run.
5455         * collect2.h (collect_execute, dump_file): Update declarations.
5456         * tlink.c (tlink_execute): Add errname parameter.  Change all
5457         callers.
5458         (do_tlink): Check lderrout as well as ldout.
5459
5460 2005-03-31  Caroline Tice  <ctice@apple.com>
5461
5462         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
5463         (bb-reorder.o): Add errors.h to list of requirements.
5464         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
5465         profiledbootstrap flags.
5466         * bb-reorder.c (errors.h): Add new include.
5467         (struct bbro_basic_block_data_def): Add new field, in_trace.
5468         (add_unlikely_executed_notes):  Remove function.
5469         (mark_bb_for_unlikely_executed_section): Remove function.
5470         (insert_section_boundary_note): New function.
5471         (verify_hot_cold_block_grouping): New function.
5472         (push_to_next_round_p): Remove variables and tests that push all
5473         cold blocks to last round.
5474         (find_traces): Remove code that added extra round of trace finding
5475         when doing partitioning.
5476         (find_traces_1_round) :  Remove variable last_round;  add code to
5477         update new struct field, in_trace; correct trace_length where it was
5478         incorrect before (after call to copy_bb); change code that pushed all
5479         cold blocks to last round. Instead verify that all blocks going into
5480         a trace belong in the same partition.
5481         (connect_traces): Modify to connect the traces in two passes, if the
5482         function contains both hot and cold blocks.  The first pass connects
5483         all the traces for blocks in the partition that the first block in
5484         the function belongs to; the second pass connnects all the traces
5485         containing blocks that belong in the other partition.
5486         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
5487         code that automatically put the first block in a function into the
5488         hot partition if the function had any hot blocks.
5489         (fix_crossing_unconditional_branches): Check number of succ edges
5490         before attempting to get one.
5491         (fix_edges_for_rarely_executed_code):  Update comment describing
5492         function.
5493         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
5494         remove call to add_unlikely_executed_notes; add call to
5495         verify_hot_cold_block_grouping.
5496         (duplicate_computed_gotos): Don't change computed goto if it's a
5497         crossing edge.
5498         (partition_hot_cold_basic_blocks):  Update function comment.
5499         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
5500         condition.
5501         (try_forward_edges): Likewise.
5502         (merge_blocks_move_predecessor_nojumps): Likewise.
5503         (merge_blocks_move_successor_nojumps): Likewise.
5504         (merge_blocks_move): Likewise.
5505         (try_crossjump_bb): Likewise.
5506         * cfglayout.c (update_unlikely_executed_notes): Remove function.
5507         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
5508         notes to cold bb's; remove call to update_unlikely_executed_notes.
5509         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
5510         NOTE_INSN_SWITCH_TEXT_SECTIONS.
5511         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
5512         function declaration.
5513         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
5514         from consideration.
5515         (rtl_can_merge_blocks): Remove redundancy from condition.
5516         (try_redirect_by_replacing_jump): Likewise.
5517         (force_nonfallthru_and_redirect): Remove code for adding
5518         UNLIKELY_EXECUTED_CODE notes to cold bb's.
5519         (commit_one_edge_insertion): Likewise.
5520         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
5521         * dbxout.c (FORCE_TEXT): Replace function_section with
5522         current_function_section.
5523         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
5524         function, switch_text_section.
5525         (struct xcoff_debug): Likewise.
5526         (dbxout_function_end): Add code to put out label diffs for both
5527         hot and cold sections.
5528         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
5529         for new debug_hooks funciton, switch_text_section..
5530         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
5531         switch_text_section.
5532         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
5533         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
5534         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
5535         dw_fde_switched_sections.
5536         (output_call_frame_info):  Add test to see if function switches text
5537         sections in the middle; if so, use appropriate extra hot and cold
5538         section labels to compute size deltas for the hot and cold sections.
5539         (dwarf2out_begin_prologue): Add code to initialize new fields in
5540         dw_fde_struct.
5541         (dwarf2out_switch_text_section): New function (invoked through
5542         debug_hook); updates new fields in dw_fde_struct appropriately and
5543         increments separate_line_info_table_in_use.
5544         (dwarf2_debug_hooks): Initialize switch_text_section function to be
5545         dwarf2out_switch_text_section.
5546         (struct var_loc_node): Add new field, section_label.
5547         (output_aranges): Add code to check whether in hot or cold section and
5548         use the appropriate label in calculating deltas.
5549         (output_ranges): Likewise.
5550         (output_line_info): Add code to check which section we're in and
5551         use appropriate hot/cold label.
5552         (add_location_or_constant_value_attribute): Likewise.
5553         (gen_subprogam_die): Modify arange attributes to use correct labels.
5554         (dwarf2out_begin_block): Change call to function_section into call to
5555         current_function_section.
5556         (dwarf2out_end_block): Likewise.
5557         (dwarf2out_source_line): Likewise.
5558         (dwarf2out_var_location): Add code to check whether in hot or cold
5559         section and use the appropriate label.
5560         * except.c (output_function_exception_table): Change call to
5561         function_section into call to current_function_section.
5562         * final.c (profile_function): Likewise.
5563         (scan_ahead_for_unlikely_executed_note): Remove function.
5564         (final_scan_insn):  Remove calls to
5565         scan_ahead_for_unlikely_executed_note, and related code for switching
5566         to cold section, except for the single time
5567         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
5568         debug_hooks->switch_text_sections; replace appropriate calls to
5569         function_section with calls to current_function_section.
5570         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
5571         test_bb to condition.
5572         (find_if_case_2): Likewise.
5573         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
5574         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
5575         * opts.c (decode_options): Change warning about hot/cold partitioning
5576         with exceptionss to inform (so as not to cause bootstrap failures);
5577         remove warning about partitioning with DWARF debug info.
5578         * output.h (current_function_section): Add new function decl.
5579         (insert_section_boundary_note): Likewise.
5580         (enum in_section): Move this declaration here from varasm.c.
5581         (unlikely_section_label): Likewise.
5582         (unlikely_text_section_name): Likewise.
5583         (last_text_section_name): New global variable.
5584         (last_text_section): Likewise.
5585         (hot_section_label): Likewise.
5586         (hot_section_end_label): Likewise.
5587         (cold_section_end_label): Likewise.
5588         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
5589         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
5590         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
5591         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
5592         insn from consideration.
5593         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
5594         switch_text_section.
5595         * varasm.c (basic-block.h): Add new include.
5596         (unlikely_section_label_printed): Remove global variable.
5597         (unlikely_section_label): Make global variable not be static any more.
5598         (unlikely_text_section_name): Likewise.
5599         (hot_section_end_label): New global variable (not static)
5600         (first_function_block_is_cold): Likewise.
5601         (hot_section_label): Likewise.
5602         (cold_section_end_label): Likewise..
5603         (last_text_section): New global variable, not static.
5604         (last_text_section_name): New global variable, not static.
5605         (initialize_cold_section_name): New function.
5606         (enum in_section): Move declaration to output.h.
5607         (text_section): Update last_text_section.
5608         (unlikely_text_section): Replace code to determine cold section name
5609         with call to initialize_cold_section_name; Add code to update
5610         last_text_section; remove code for printing out label.
5611         (named_section_real): Add code to update last_text_section and
5612         last_text_section_name as appropriate.
5613         (function_section): Change test for 'unlikely' to depend on
5614         first_function_block_is_cold (moved old test to
5615         current_function_section).
5616         (current_function_section): New function.
5617         (assemble_start_function): Move code that frees
5618         unlikely_text_section_name; initialize hot_section_end_label;
5619         print hot and cold section labels at the start of the function;
5620         set first_function_block_is_cold, if appropriate; initialize l
5621         ast_text_section; add call to insert_section_boundary_note.
5622         (assemble_end_function):  Add code to write out hot and cold section
5623         end labels.
5624         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
5625         switch_text_section.
5626         * config/darwin.c (machopic_select_section): Replace incorrect
5627         function in base_funs; update reloc for cold sections if necessary.
5628         * config/darwin.h (SECTION_FUNCTION):  Add code to update
5629         last_text_section if appropriate.
5630         (text_unlikely_section): Remove.
5631         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
5632         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
5633         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
5634         partitioning for this architecture.
5635
5636 2005-03-31  Olivier Hainque  <hainque@adacore.com>
5637
5638         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
5639         defined and non-zero.
5640
5641 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5642
5643         PR c++/18644
5644         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
5645         semantics.
5646
5647 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
5648
5649         PR target/20611
5650         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
5651         label operand.  Remove (use (unspec..)).  Don't emit a label on
5652         the offset word.
5653         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
5654         generate inline label for load_toc_v4_PIC_1b.
5655         (rs6000_emit_load_toc_table): Likewise.
5656
5657 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
5658
5659         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
5660         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
5661
5662 2005-03-29  Devang Patel  <dpatel@apple.com>
5663
5664         * tree-sra.c (decide_block_copy): Disable scalarization of
5665         sub-elements.
5666
5667 2005-03-30  Stuart Hastings  <stuart@apple.com>
5668             Dale Johannesen  <dalej@apple.com>
5669
5670         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
5671         * print-tree.c (print_node):  Add case STATEMENT_LIST.
5672
5673 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
5674
5675         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
5676         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
5677         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
5678         is given with "powerpc64*" or "all", or when --with-cpu chooses
5679         a 64-bit cpu.
5680
5681 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
5682
5683         PR debug/20268
5684         * dwarf2out.c (add_high_low_attributes): New function, extracted from
5685         gen_lexical_block_die.
5686         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
5687
5688 2005-03-31  Jan Hubicka  <jh@suse.cz>
5689
5690         2004-11-02  Jan Hubicka  <jh@suse.cz>
5691
5692         * cgraph.c (cgraph_varpool_node_name): New function.
5693         (dump_cgraph_varpool_node): New function.
5694         (dump_varpool): New function.
5695         * cgraphunit.c (cgraph_optimize): Dump varpool.
5696
5697         2004-10-16  Jan Hubicka  <jh@suse.cz>
5698
5699         * cgraph.c (decide_is_variable_needed): New function.
5700         (cgraph_varpool_finalize_decl): Use it.
5701         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
5702         unit-at-a-time.
5703         * final.c (output_addr_const): Do not call mark_referenced.
5704         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
5705         always go via cgraph.
5706         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
5707         (check_global_declarations): Ifdef out code clearing DECL_RTL.
5708         * tree-optimize.c (execute_inline): Mark functions called.
5709         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
5710
5711         2004-10-11  Jan Hubicka  <jh@suse.cz>
5712
5713         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
5714         (cgraph_varpool_last_needed_node): New static variable.
5715         (enqueue_needed_varpool_node): Break out from ...; add items to the
5716         end of queue; update first pointers.
5717         (cgraph_varpool_mark_needed_node): ... here.
5718         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
5719         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
5720         * cgraph.h (cgraph_varpool_node): Add analyzed field.
5721         (cgraph_varpool_first_unanalyzed_node): Declare.
5722         * cgraphunit.c: Include output.h.
5723         (cgraph_varpool_analyze_pending_decls): New function.
5724         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
5725         for errors, analyze pending decls.
5726         (cgraph_finalize_compilation_unit): Only analyze decls.
5727         (cgraph_optimize): Assemble the decls after expanding.
5728
5729 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
5730
5731         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
5732         subvars get marked properly in tags for grouping.
5733         (add_pointed_to_var): Mark only actual pointed to
5734         variables/subvars in addresses needed.
5735         (create_overlap_variables_for): Clear call clobbered on original
5736         variable.
5737         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
5738         addresable vars with subvars into list.
5739         * tree-ssa.c (verify_ssa_name): Verify original is not used where
5740         subvar should be.
5741
5742 2005-03-30  Richard Henderson  <rth@redhat.com>
5743
5744         * cgraph.h (struct cgraph_node): Add alias.
5745         * varasm.c (assemble_alias): Set it.
5746         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
5747         avoid calling cgraph_expand_function.
5748
5749 2005-03-30  Tom Tromey  <tromey@redhat.com>
5750
5751         * tree.def (FILE_TYPE): Removed.
5752         * typeclass.h (enum type_class): Removed file_type_class.
5753         * dwarf2out.c (is_base_type): Updated.
5754         (gen_type_die): Likewise.
5755         * dbxout.c (dbxout_type): Updated.
5756         * builtins.c (type_to_class): Updated.
5757         * tree.c (type_contains_placeholder_1): Updated.
5758         * config/sparc/sparc.c (sparc_type_code): Updated.
5759         * config/ia64/ia64.c (hfa_element_mode): Updated.
5760         * expr.c (count_type_elements): Updated.
5761         * stor-layout.c (layout_type): Updated.
5762         * tree-inline.c (remap_type): Updated.
5763         * tree-pretty-print.c (dump_generic_node): Updated.
5764
5765 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
5766
5767         * builtins.c (expand_builtin_powi): Fix mode of
5768         2nd argument to match int.
5769         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
5770         2nd argument type to int.
5771         * libgcc2.c: Change prototype of __powi* functions to use
5772         int.
5773
5774 2005-03-30  Dale Johannesen  <dalej@apple.com>
5775
5776         PR middle-end/19225
5777         * calls.c (expand_call):  Flush pending deferrals before
5778         throwing call.
5779
5780 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
5781
5782         PR c/772
5783         PR c/17913
5784         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
5785         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
5786         c_label_context, label_context_stack): New.
5787         * c-decl.c (define_label): Check for jumps into statement
5788         expressions.  Add label to list of defined labels.
5789         (start_function): Push context on label_context_stack.
5790         (finish_function): Pop context from label_context_stack.
5791         * c-typeck.c (label_context_stack): New.
5792         (c_finish_goto_label): Check for jumps into statement
5793         expressions.  Add label to list of jumped to labels.
5794         (struct c_switch): Add blocked_stmt_expr.
5795         (c_start_case): Initialize it.
5796         (do_case): Check it.
5797         (c_finish_case): Verify !blocked_stmt_expr.
5798         (c_begin_stmt_expr):  Push context on label_context_stack.
5799         Increment blocked_stmt_expr.  Mark labels jumped to from outside
5800         as undefinable.
5801         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
5802         defined in the statement expression and no longer jumpable to.
5803         Mark labels jumped to from just outside the statement expression
5804         as again definable.  Pop context from label_context_stack.
5805         * doc/extend.texi (Statement Exprs): Update.
5806
5807 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
5808
5809         PR c/20368
5810         * c-decl.c (start_function): Check for old_decl being
5811         error_mark_node.
5812
5813 2005-03-30  Ian Lance Taylor  <ian@airs.com>
5814
5815         * final.c (final): Remove prescan parameter.  Change all callers.
5816         (final_scan_insn): Remove prescan parameter.  Change all callers.
5817
5818 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
5819
5820         * tree-vectorizer.c: Fix comment typos.
5821
5822 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
5823
5824         * tree-scalar-evolution.c (instantiate_parameters_1): Return
5825         as soon as a chrec_dont_know is detected.
5826
5827 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
5828
5829         Merge from csl-arm-branch.
5830         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
5831
5832         * tlink.c (recompile_files): Do not assume that "rename" can
5833         overwrite an existing file.
5834
5835 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
5836
5837         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
5838         * gcc/configure: Regenerate.
5839
5840 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
5841
5842         * doc/install.texi: Update binutils requirement for powerpc*-linux.
5843
5844         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
5845
5846         * calls.c (struct arg_data): Update "partial" comment.
5847         (load_register_parameters): Update "nregs" comment.
5848
5849 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5850
5851         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
5852         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
5853         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
5854         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
5855         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
5856         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
5857         than target_flags & 0.
5858         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
5859         (iq2000_arch, iq2000_parse_cpu): Delete.
5860         (TARGET_HANDLE_OPTION): Override default.
5861         (iq2000_handle_option): New function.
5862         (override_options): Remove -march= and -mcpu= handling.
5863         * config/iq2000/iq2000.opt: New file.
5864
5865 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5866
5867         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
5868         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
5869         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
5870         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
5871         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
5872         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
5873         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
5874         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
5875         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
5876         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
5877         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
5878         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
5879         (c4x_rpts_cycles_string, c4x_cpu_version_string)
5880         (TARGET_OPTIONS): Delete.
5881         (c4x_rpts_cycles, c4x_cpu_version): Declare.
5882         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
5883         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
5884         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
5885         (c4x_cpu_version_string): Delete.
5886         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5887         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
5888         equivalent -mcpu= option.
5889         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
5890         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
5891         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
5892         or clearing the appropriate MASK_* bit.
5893         (c4x_file_start): Use c4x_cpu_version.
5894         * config/c4x/c4x.opt: New file.
5895
5896 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5897
5898         * doc/options.texi: Document the new MaskExists flag.
5899         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
5900         if the option has the MaskExists flag.
5901
5902 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5903
5904         * opt-functions.awk (flag_set_p, test_flag): New functions.
5905         (switch_flags): Use them.
5906         * opth-gen.awk: Use flag_set_p to check for flags.
5907         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
5908
5909 2005-03-30  Ian Lance Taylor  <ian@airs.com>
5910
5911         * config.host (i[34567]86-*-mingw32*): Don't set
5912         host_can_use_collect2 to no.
5913
5914 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
5915
5916         PR target/20203
5917         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
5918         Remove convert_memory_address call duplicating that in memory_address.
5919
5920 2005-03-29  Richard Henderson  <rth@redhat.com>
5921
5922         PR c/20519
5923         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
5924         (build_compound_literal): Likewise.  Propagate decl type into the
5925         initializer.
5926         (finish_decl): Likewise.  Use new return value from complete_array_type
5927         for zero sized arrays.
5928         (complete_array_type): Move ...
5929         * c-common.c (complete_array_type): ... here.  Change first argument
5930         to pointer-to-type-node.  Consistently use sizetype for the index
5931         except for zero sized arrays.  Detect zero sized arrays for pedantic
5932         mode diagnostics.  Create a new type node instead of modifying the
5933         old node in place.
5934         * c-tree.h (complete_array_type): Move decl ...
5935         * c-common.h (complete_array_type): ... here.
5936
5937 2005-03-29  Richard Henderson  <rth@redhat.com>
5938
5939         PR tree-opt/19108
5940         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
5941
5942 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
5943
5944         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
5945         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
5946         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
5947         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
5948
5949 2005-03-29  Eric Christopher  <echristo@redhat.com>
5950
5951         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
5952         truthvalue conversion removal.
5953
5954 2005-03-29  Ian Lance Taylor  <ian@airs.com>
5955
5956         PR bootstrap/14316
5957         * collect2.c: Never include <vfork.h>.
5958         (VFORK_STRING, vfork): Don't define.
5959         (pid): Remove global variable.
5960         (handler): Call raise instead of kill (getpid(), ...).
5961         (collect_wait): Add pex parameter.  Change all callers.  Use
5962         pex_get_status rather than pwait.
5963         (do_wait): Add pex parameter.  Change all callers.
5964         (collect_execute): Return struct pex_obj * rather than void.  Use
5965         pex routines rather than pexecute.
5966         (fork_execute): Get pex_obj from collect_execute, and pass it to
5967         do_wait.
5968         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
5969         Only declare quit_handler if SIGQUIT is defined.
5970         (scan_libraries): Likewise.
5971         * collect2.h (collect_execute): Update declaration.
5972         (collect_wait): Update declaration.
5973         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
5974         pass it to collect_wait.
5975
5976 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
5977
5978         PR c/20672
5979         * c-parser.c (c_parser_compound_statement_nostart): Give error
5980         message for EOF instead of just setting parser->error.
5981
5982 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
5983
5984         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
5985         (slpeel_update_phi_nodes_for_guard1): New function.
5986         (slpeel_update_phi_nodes_for_guard2): New function.
5987         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
5988         of slpeel_update_phi_nodes_for_guard.
5989         (vectorize_loops): Remove call to loop_closed_rewrite.
5990         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
5991         assertion.
5992
5993 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
5994
5995         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
5996         (TARGET_LITTLE_ENDIAN): New macro.
5997         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
5998         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
5999         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
6000         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
6001         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
6002         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
6003         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
6004         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
6005         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
6006         (TARGET_OPTIONS): Delete.
6007         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
6008         (CACHE_FLUSH_TRAP): Turn into an integer.
6009         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
6010         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
6011         -mflush-trap is in use.
6012         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
6013         (m32r_cache_flush_trap_string): Delete.
6014         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
6015         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
6016         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
6017         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6018         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
6019         -mmodel= and -msdata= handling from...
6020         (m32r_init): ...here.
6021         * config/m32r/m32r.opt: New file.
6022
6023 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
6024
6025         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
6026         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
6027         * tree-vect-analyze.c (vect_object_analysis): additional parm
6028         pass back a "struct ptr_info_def *" with the points-to info.
6029         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
6030         statement using info returned from vect_object_analysis.
6031         * tree-vect-transform.c (update_vuses_to_preheader): New function.
6032         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
6033         for virtual uses and defs when creating a replacement vector
6034         reference.  Call duplicate_ssa_name_ptr_info to define points-to
6035         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
6036         (vectorizable_store): copy_virtual_operands and update
6037         definition statements.
6038         (vectorizable_load): copy_virtual_operands.  Remove call to
6039         mark_call_clobbered_vars_to_rename for call to "const" builtin.
6040         * tree-vectorizer.c (vectorize_loops): Remove calls to
6041         rewrite_into_ssa and bitmap_clear (vars_to_rename).
6042         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
6043         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
6044         define macro STMT_VINFO_PTR_INFO for use in accessing.
6045         * tree.h add export of duplicate_ssa_name_ptr_info.
6046         * rs6000.c (altivec_init_builtins): Declare builtin function
6047         __builtin_altivec_mask_for_load to be "const".
6048
6049 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
6050
6051         PR middle-end/20622
6052         * cgraph.h (struct cgraph_varpool_node): Add alias field.
6053         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
6054         assemble_variable on aliases.
6055         * varasm.c (assemble_alias): Set node->alias.
6056         * toplev.c (wrapup_global_declarations): Don't call
6057         rest_of_decl_compilation on aliases again.
6058
6059 2005-03-29  Paul Brook  <paul@codesourcery.com>
6060
6061         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
6062         * config/arm/arm.c (arm_dbx_register_number): New function.
6063         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
6064
6065 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
6066
6067         PR middle-end/20263
6068         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
6069         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
6070
6071 2005-03-29  Dale Johannesen <dalej@apple.com>
6072
6073         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
6074         $(TREE_H) and $(COVERAGE_H).
6075         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
6076         * opts.c (common_handle_option): Enable tree-based value transforms.
6077         * toplev.c (process_options): Ditto.
6078         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
6079         refers to references to this type.
6080         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
6081         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
6082         for may_be_more, may_be_less.
6083         (rtl_gen_pow2_profiler): Adjust.
6084         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
6085         (rtl_gen_one_value_profiler): Adjust.
6086         (rtl_gen_const_delta_profiler): Adjust.
6087         * tree-profile.c (tree_gen_interval_profiler): Implement.
6088         (tree_gen_pow2_profiler): Ditto.
6089         (tree_gen_one_value_profiler): Ditto.
6090         (tree_profiling): New.
6091         (pass_tree_profile): Reference it.
6092         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
6093         tree.h, gcov-io.h.
6094         (insn_divmod_values_to_profile): Rename to
6095         rtl_divmod_values_to_profile. Adjust.
6096         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
6097         (insn_prefetch_values_to_profile): Adjust.
6098         (rtl_value_profile_transformations): Adjust.
6099         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
6100         (gen_mod_pow2): Rename to rtl_mod_pow2.
6101         (gen_mod_subtract): Rename to rtl_mod_subtract.
6102         (divmod_fixed_value_transform): Rename to
6103         rtl_divmod_fixed_value_transform.
6104         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
6105         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
6106         (rtl_find_values_to_profile): Adjust.
6107         (tree_value_profile_transformations): Implement.
6108         (tree_divmod_values_to_profile): New.
6109         (tree_values_to_profile): New.
6110         (tree_divmod_fixed_value): New.
6111         (tree_mod_pow2): New.
6112         (tree_mod_subtract): New.
6113         (tree_divmod_fixed_value_transform): New.
6114         (tree_mod_pow2_value_transform): New.
6115         (tree_mod_subtract_transform): New.
6116         (tree_find_values_to_profile): Implement.
6117         * profile.c (instrument_values):  Free histograms.
6118         (compute_value_histograms): Adjust. Implement tree version.
6119
6120 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
6121
6122         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
6123         * config/i386/i386.c (output_fix_trunc): Add new round_mode
6124         variable.  Output "fldcw" depending on round_mode.
6125         * config/i386/i386.md (UNSPEC_FIST): New.
6126         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
6127         New isns patterns to implement lrint and llrint built-ins as x87
6128         intrinsic function.
6129         (fistdi2, fist<mode>2 splitters): New splitters.
6130         (lrint<mode>2): New expanders.
6131
6132 2005-03-28  Ian Lance Taylor  <ian@airs.com>
6133
6134         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
6135         0 when calling final_scan_insn.
6136
6137 2005-03-28  Jan Hubicka  <jh@suse.cz>
6138
6139         PR middle-end/20635
6140         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
6141         as needed.
6142
6143         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
6144         types where possible.
6145
6146 2005-03-26  Per Bothner  <per@bothner.com>
6147
6148         Make -f[no-]show-column also control non-cpp diagnostics.
6149         * c.opt (fshow-column): Move option from here ...
6150         * common.opt (fshow-column): ... to here.
6151         * diagnostic.c (diagnostic_build_prefix): Only print column number
6152         if flag_show_column.
6153
6154 2005-03-27  Steven Bosscher  <stevenb@suse.de>
6155
6156         * vax-protos.h (vax_output_int_move, vax_output_int_add,
6157         vax_output_conditional_branch): New prototypes.
6158         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
6159         extracted from vax.md mov and add patterns.
6160         (vax_output_conditional_branch): New function to output conditional
6161         branch instructions.
6162         * vax.md: Use mode macros for arithmetic and mov patterns.
6163         Use code macros for the jump patterns.
6164
6165 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6166
6167         * Makefile.in (libbackend.o): Depend on version files;
6168         add custom generation command.
6169
6170 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6171
6172         PR target/20636
6173         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
6174         sure that we have a REG before getting its REGNO.
6175
6176 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6177
6178         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
6179         * builtins.def (BUILT_IN_STRNDUP): New.
6180
6181 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
6182
6183         PR tree-optimization/20470
6184         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
6185         ABS(x-y).
6186
6187 2005-03-25  Mike Stump  <mrs@apple.com>
6188
6189         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
6190         sized objects.
6191
6192 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
6193
6194         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
6195         Use our own structure definitions.
6196
6197         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
6198         (fix_truncdfsi2): Allow registers or memory as destination.
6199         When TARGET_PPC_GFXOPT, generate simplified pattern.
6200         (fix_truncdfsi2_internal): Use define_insn_and_split.
6201         (fix_truncdfsi2_internal_gfxopt): New.
6202         (fctiwz): Don't confuse register allocation by giving it no choices.
6203         (stfiwx): New.
6204         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
6205         (EXTRA_MEMORY_CONSTRAINT): Likewise.
6206         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
6207         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
6208
6209 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6210
6211         * dominance.c (free_dominance_info): Speed up by freeing et
6212         data structures without maintaining other nodes.
6213         * et-forest.c (et_free_tree_force): New.
6214         * et-forest.h: Add a prototype for et_free_tree_force.
6215
6216         * tree.c (get_set_constructor_bits,
6217         get_set_constructor_bytes): Remove.
6218         * tree.h: Remove the corresponding prototypes.
6219
6220 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6221
6222         PR target/15491
6223         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
6224         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
6225         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
6226         PRE_DEC, NEG and NOT.
6227
6228 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6229
6230         * fold-const.c: Convert uses of fold (build (...)) to
6231         fold_buildN.
6232
6233 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
6234
6235         PR rtl-optimization/20249
6236         * cse.c (insert_regs): Do not record equivalence of registers in
6237         different modes.
6238
6239 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
6240
6241         * emit-rtl.c (reverse_comparison): Remove.
6242         * rtl.h: Remove the corresponding prototype.
6243
6244 2005-03-24  James E Wilson  <wilson@specifixinc.com>
6245
6246         * doc/install.texi (--enable-altivec): Delete docs.
6247
6248 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
6249
6250         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
6251         SFmode and DFmode before reload when
6252         flag_unsafe_math_optimizations not enabled.
6253
6254 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
6255
6256         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
6257
6258         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
6259         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
6260
6261 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
6262
6263         * configure.ac (enable-checking): Add 'runtime' option.
6264         * doc/install.texi (enable-checking): Document 'runtime' checking.
6265         * tsystem.h (gcc_assert, gcc_unreachable): Define.
6266         * config.in: Regenerated.
6267         * configure: Regenerated.
6268
6269 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
6270
6271         * optabs.h (enum optab_index): Remove OTI_llrint.
6272         (llrint_optab): Remove macro.
6273         * optabs.c (init_optabs): Remove llrint_optab initialization.
6274         * genopinit.c (optabs): Remove llrint_optab implementation.
6275         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
6276         using lrint_optab.
6277
6278 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
6279
6280         PR rtl-optimization/20532
6281         * simplify-rtx.c (simplify_binary_operation_1): Protect from
6282         overflow when adding coefficients for PLUS or MINUS.
6283         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
6284         two as multiplier.
6285
6286 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6287
6288         * langhooks.h (truthvalue_conversion): Remove.
6289         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
6290         LANG_HOOKS_TRUTHVALUE_CONVERSION.
6291         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
6292         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
6293         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
6294
6295 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
6296
6297         * params.def: Fix a typo.
6298         * config/mips/mips.c: Follow the spelling convensions.
6299         * doc/invoke.texi: Fix typos.
6300
6301 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
6302
6303         Fix PR tree-optimization/20601
6304
6305         * tree-ssa-pre.c (insert_aux): Add missing condition to
6306         constification.
6307
6308 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6309
6310         * final.c (final_scan_insn): Don't remove no-op instructions.
6311         * reload1.c (reload): Remove simple no-op instructions even when
6312         not optimizing.
6313
6314 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
6315
6316         PR tree-optimization/20501
6317         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
6318         reporting that peeling for alignment is applied moved to...
6319         * (vect_analyze_data_refs_alignment): Here.
6320
6321 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6322
6323         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
6324
6325 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6326
6327         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
6328         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
6329
6330 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
6331
6332         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
6333         imply that this is called once, independent of asms in code.
6334         Adjust to now being pased output and input lists.  Mention helper
6335         function decl_overlaps_hard_reg_set_p.
6336         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
6337         hook_tree_tree_identity and to take three trees, returning third.
6338         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
6339         prototype.
6340         * stmt.c: include hard-reg-set.h before tree.h.
6341         (decl_overlaps_hard_reg_set_p): New function, broken out from...
6342         (decl_conflicts_with_clobbers_p): Call
6343         decl_overlaps_hard_reg_set_p.
6344         (expand_asm_operands): Pass output and input lists in call to
6345         targetm.md_asm_clobbers.
6346         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
6347         hook_tree_tree_tree_tree_3rd_identity.
6348         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
6349         parameters.
6350         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
6351         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
6352         parameters, first two unused.
6353         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
6354         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
6355         in constraint letters and MOF is not mentioned as a asm-declared
6356         register in neither of the input and output lists.
6357
6358 2005-03-23  DJ Delorie  <dj@redhat.com>
6359
6360         * optabs.c (expand_binop): Make sure the first subword's result
6361         gets stored.
6362
6363 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6364
6365         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
6366         Call c_common_truthvalue_conversion rather than
6367         lang_hooks.truthvalue_conversion.
6368         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
6369         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
6370         c-typeck.c.
6371         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
6372         c_common_truthvalue_conversion.
6373         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
6374         c_parser_conditional_expression, c_parser_binary_expression): Call
6375         c_objc_common_truthvalue_conversion.
6376         * c-typeck.c (build_unary_op): Call
6377         c_objc_common_truthvalue_conversion.
6378         (build_conditional_expr): Do not call
6379         lang_hooks.truthvalue_conversion.
6380         (build_binary_op): Call c_common_truthvalue_conversion.
6381         (c_objc_common_truthvalue_conversion): Moved from
6382         c-objc-common.c.  Call default_function_array_conversion instead
6383         of default_conversion.
6384
6385 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6386
6387         * c-common.h (default_conversion): Remove.
6388         (perform_integral_promotions): Add.
6389         * c-tree.h (default_conversion): Add.
6390         * c-typeck.c (perform_integral_promotions): New, split out from
6391         default_conversion.
6392         * c-common.c (check_case_value): Use perform_integral_promotions,
6393         not default_conversion.
6394         (c_add_case_label): Don't continue processing case label after
6395         found to be pointer.
6396
6397 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
6398
6399         * gcc.c (do_spec_1): Do not add a -L path for a directory in
6400         the prefix list if we have already added a multilib directory
6401         based on that path.
6402         (main): Do not add MD_EXEC_PREFIX to the list of directories to
6403         search with -L.
6404
6405 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6406
6407         * reload1.c (indirect_symref_ok, reload_obstack): Make them
6408         static.
6409         * reload.h: Remove the prototype for indirect_symref_ok.
6410
6411         * reload1.c (indirect_symref_ok): Make it global.
6412         * reload.h: Add a prototype for indirect_symref_ok.
6413
6414 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
6415
6416         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
6417         ashlhi3 expander.
6418
6419 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6420
6421         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
6422
6423 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
6424
6425         * c-opts.c (c_common_parse_file): Only start/end main source file
6426         if debug hooks says the writer wants it.
6427         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
6428         member.
6429         (xcoff_debug_hooks): Ditto.
6430         * debug.c (do_nothing_hooks): Ditto.
6431         * debug.h (gcc_debug_hooks): Ditto.
6432         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
6433         * sdbout.c (sdb_debug_hooks): Ditto.
6434         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
6435
6436 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
6437
6438         * doc/extend.texi: Deprecate C++ min/max operators.
6439
6440 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
6441
6442         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
6443         artificial original candidates.
6444
6445 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
6446             Jan Hubicka  <jh@suse.cz>
6447             Steven Bosscher <stevenb@suse.de>
6448
6449         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
6450         call cost based on argument sizes.
6451         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
6452         inlining.
6453         * params.def: (max-inline-inssn-single): Set to 450.
6454         (max-inline-insns-auto): Set to 90.
6455         (max-inline-insns-recursive): Set to 450
6456         (max-inline-insns-recursive-auto): Set to 450.
6457         (large-function-insns): Set to 2700.
6458         (inline-call-cost): New parameter.
6459         * tree-inline.c (estimate_move_cost): New function.
6460         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
6461         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
6462         based on arguments.
6463         * tree-inline.h (estimate_move_cost): Declare.
6464         * invoke.texi: (max-inline-inssn-single): Change default to 450.
6465         (max-inline-insns-auto): Change default to 90.
6466         (max-inline-insns-recursive): Change default to 450
6467         (max-inline-insns-recursive-auto): Change default to 450.
6468         (large-function-insns): Change default to 2700.
6469         (inline-call-cost): Document new parameter.
6470
6471 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
6472
6473         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
6474         (TARGET_DEFAULT): Delete.
6475         * config/i860/i860.opt: New file.
6476
6477 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
6478
6479         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
6480         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
6481         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
6482         (frv_sched_lookahead): Delete.
6483         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
6484         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
6485         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
6486         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
6487         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
6488         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
6489         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
6490         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
6491         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
6492         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
6493         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
6494         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
6495         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
6496         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
6497         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
6498         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
6499         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
6500         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
6501         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
6502         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
6503         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
6504         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
6505         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
6506         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
6507         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
6508         (frv_sched_lookahead): Delete.
6509         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
6510         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6511         (frv_handle_option): New function.  Move -mcpu= handling from...
6512         (frv_override_options): ...here.  Remove handling of other
6513         TARGET_OPTIONS.
6514         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
6515         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
6516         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
6517         and TARGET_NO_MULTI_CE.
6518         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
6519         !TARGET_VLIW_BRANCH.
6520         * config/frv/frv.opt: New file.
6521
6522 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6523
6524         * fold-const.c (fold_ternary): Take decomposed arguments of
6525         CALL_EXPR.
6526         (fold): Update a call to fold_ternary.
6527
6528         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
6529         * tree.h: Add corresponding prototypes.
6530
6531 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
6532
6533         PR target/20561
6534         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
6535         between jump table and its label.
6536         * final.c (shorten_branches): Handle notes in between ADDR_VEC
6537         resp. ADDR_DIFF_VEC and the label preceeding it.
6538         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
6539         is emitted in the right section.
6540
6541 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
6542
6543         * fold-const.c (fold_unary, fold_binary): Update comments
6544         about arguments.
6545
6546 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
6547
6548         PR rtl-optimization/20527
6549         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
6550         REG_INC note, test that the register also isn't mentioned in PRED
6551         or SUCC.
6552
6553 2005-03-22  Ben Elliston  <bje@au.ibm.com>
6554
6555         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
6556         and definition.
6557
6558 2005-03-21  Mike Stump  <mrs@apple.com>
6559
6560         * varasm.c (default_assemble_visibility): Remove extra ().
6561
6562 2005-03-21  Roger Sayle  <roger@eyesopen.com>
6563
6564         PR middle-end/20557
6565         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
6566         to determine whether a block can be duplicated, rather than test
6567         whether the block contains noncopyable insns ourselves.
6568
6569 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6570
6571         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
6572         predicates.
6573
6574 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6575
6576         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
6577
6578 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6579
6580         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
6581         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
6582         * config/fr30/fr30.opt: New file.
6583
6584 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
6585
6586         Fix PR tree-optimization/20542
6587
6588         * tree-flow-inline.h (overlap_subvar): Move to here.
6589         * tree-ssa-operands.c: From here.
6590         * tree-flow.h (overlap_subvar): Declare.
6591         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
6592         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
6593         for variables with subvars.
6594
6595 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
6596
6597         PR middle-end/20177
6598         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
6599         * modulo-sched.c (const_iteration_count): Return on NULL
6600         pre-header.
6601         (print_node_sched_params): Return on NULL dump_file.
6602         (generate_reg_moves): Handle reg-anti dependencies and disregard
6603         closing branch when generating register moves.
6604         (sms_schedule): Mark the SMSed block dirty.
6605         * passes.c (rest_of_handle_sms): Call update_life_info for all
6606         basic-blocks.
6607         * testsuite/gcc.dg/20050321-1.c: New test.
6608
6609 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
6610
6611         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
6612         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
6613         movqi_internal): Likewise.
6614
6615 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
6616
6617         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
6618         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
6619         xtensa_b4const): Delete prototypes.
6620         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
6621         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
6622         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
6623         xtensa_extra_constraint): New prototypes.
6624         (add_operand, arith_operand, nonimmed_operand, mem_operand,
6625         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
6626         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
6627         move_operand, const_float_1_operand, fpmem_offset_operand,
6628         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
6629         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
6630         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
6631         argument type to HOST_WIDE_INT.
6632         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
6633         xtensa_mask_immediate): Likewise.
6634         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
6635         Likewise.  Also make these functions static.
6636         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
6637         (xtensa_const_ok_for_letter_p): New.
6638         (add_operand, arith_operand, nonimmed_operand, mem_operand,
6639         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
6640         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
6641         move_operand, const_float_1_operand, fpmem_offset_operand,
6642         branch_operator, ubranch_operator, boolean_operator): Move to
6643         predicates.md.
6644         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
6645         (xtensa_mem_offset): Change return type to bool.
6646         (xtensa_extra_constraint): New.
6647         (gen_int_relational): Update type of const_range_p function pointer.
6648         Use xtensa_b4const_or_zero.
6649         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
6650         xtensa_const_ok_for_letter_p.  Update comments.
6651         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
6652         (PREDICATE_CODES): Delete.
6653         * config/xtensa/xtensa.md: Include predicates.md.
6654         * config/xtensa/predicates.md: New file.
6655
6656 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6657
6658         * config/v850/v850-protos.h: Remove the prototypes for
6659         reg_or_int9_operand, reg_or_const_operand,
6660         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
6661         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
6662         movsi_source_operand, power_of_two_operand,
6663         not_power_of_two_operand, special_symbolref_operand,
6664         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
6665         register_is_ok_for_epilogue.
6666         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
6667         reg_or_int9_operand, reg_or_const_operand,
6668         call_address_operand, special_symbolref_operand,
6669         movsi_source_operand, power_of_two_operand,
6670         not_power_of_two_operand, register_is_ok_for_epilogue,
6671         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
6672         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
6673         predicates.md.
6674         * config/v850/v850.h (PREDICATE_CODES): Remove.
6675         * config/v850/v850.md: Include predicates.md.
6676         * config/v850/predicates.md: New.
6677
6678 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
6679
6680         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
6681         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6682         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
6683         (itoolsdir, itoolsdatadir): Move definition above new first use.
6684         (install-itoolsdirs): New rule.
6685         (install-mkheaders): Depend on install-itoolsdirs, not
6686         install-include-dir.
6687
6688 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6689
6690         * tree-into-ssa.c: Remove obsolete comments.
6691
6692 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
6693
6694         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
6695         unrolling if -fpeel-loops is specified, too.
6696         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
6697         Remove superfluous check for flag_unroll_loops.
6698
6699 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
6700
6701         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
6702         (lrint_optab, llrint_optab): Define corresponding macros.
6703         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
6704         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
6705         pattern and llrint_optab using llrintdi2 patterns.
6706         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
6707         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
6708         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
6709         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
6710         flag_unsafe_math_optimizations is set.
6711
6712 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
6713
6714         * combine.c (combine_simplify_rtx, simplify_if_then_else,
6715         simplify_logical, if_then_else_cond, known_cond,
6716         simplify_comparison): Adjust calls to reverse_comparison.
6717         Don't use combine_reversed_comparison_code).
6718         (combine_reversed_comparison_code): Remove.
6719         (reversed_comparison): Using reversed_comparison_code, move it...
6720         * jump.c (reversed_comparison): ... here.
6721         * rtl.h (reversed_comparison): Add prototype.
6722
6723 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6724
6725         * builtins.c (fold_builtin): Take decomposed arguments of
6726         CALL_EXPR.
6727         * fold-const.c (fold_ternary): Update a call to fold_builtin.
6728         * gimplify.c (gimplify_call_expr): Likewise.
6729         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
6730         * tree.h: Update the prototype of fold_builtin.
6731
6732 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
6733
6734         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
6735         * rtlhooks.c (gen_lowpart_no_emit_general): New.
6736         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
6737         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
6738         * simplify-rtx.c (simplify_binary_operation_1): Use it.
6739
6740 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
6741
6742         * builtins.c (fold_builtin_1): Take decomposed arguments of
6743         CALL_EXPR.
6744         (fold_builtin): Update a call to fold_builtin_1.
6745
6746 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
6747
6748         PR other/20564
6749         * gcov.c (output_lines): Only output function block summary when
6750         outputting branch information.
6751         * doc/gcov.texi: Document format of preamble and additional block
6752         information lines.
6753
6754 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
6755
6756         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
6757         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
6758         the defaults false if BITS_PER_UNIT != 8.
6759         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
6760         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
6761         than BITS_PER_UNIT != 8.
6762         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
6763         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
6764         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
6765         #undefs.
6766         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
6767         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
6768
6769 2005-03-20  Roger Sayle  <roger@eyesopen.com>
6770
6771         PR middle-end/20539
6772         * fold-const.c (fold_binary): Fix type mismatch between
6773         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
6774         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
6775         for non-truth-valued expressions.
6776
6777         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
6778         and FUNCTION_DECL in the main switch.
6779         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
6780         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
6781         we also need to convert their operands to match.
6782         <TRUTH_NOT_EXPR>: Likewise.
6783
6784 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
6785
6786         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
6787         diagnostic without checking whether an lvalue.
6788         * c-common.h (lvalue_p): Remove.
6789         (enum lvalue_use): Update comment.
6790         (lvalue_or_else): Replace by lvalue_error.
6791         * c-typeck.c (lvalue_p): Make static.
6792         (lvalue_or_else): New.  Call lvalue_error.
6793
6794 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
6795
6796         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
6797         (function_arg_advance): Use rs6000_parm_start.
6798         (function_arg, rs6000_arg_partial_bytes): Likewise.
6799
6800 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6801
6802         * c-common.c (check_case_value): Adjust comment about stripping
6803         NOPs.
6804         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
6805         * c-typeck.c (default_conversion, convert_arguments,
6806         build_modify_expr, convert_for_assignment, store_init_value,
6807         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
6808         manually.  Remove inaccurate comments.
6809
6810 2005-03-20  Roger Sayle  <roger@eyesopen.com>
6811             Joseph S. Myers  <joseph@codesourcery.com>
6812
6813         * varasm.c (do_assemble_alias): Restore comment describing function.
6814         Annotate the target parameter as potentially unused.
6815
6816 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6817
6818         PR target/18551
6819         * config/avr/avr.c (avr_output_function_prologue): Do not use
6820         current_function_name() in a label, use a local label instead.
6821
6822 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
6823
6824         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
6825         flag_finite_math_only, not flag_unsafe_math_optimizations.
6826
6827 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
6828
6829         * builtins.c (fold_builtin_1): Update a call to
6830         targetm.fold_builtin.
6831         * hooks.c (hook_tree_tree_bool_null): Rename to
6832         hook_tree_tree_tree_bool_null.  Take one more argument of type
6833         tree.
6834         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
6835         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
6836         hook_tree_tree_tree_bool_null.
6837         * target.h (gcc_target): Update the prototype of fold_builtin.
6838         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
6839         arguments of CALL_EXPR.
6840         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
6841         new prototype.
6842
6843 2005-03-20  Jan Hubicka  <jh@suse.cz>
6844
6845         * cgraph.h (cgraph_node): Add prev_clone pointer.
6846         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
6847         (cgraph_clone_node): Produce doubly linked chain.
6848
6849 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6850
6851         * c-common.c (handle_aligned_attribute, check_function_sentinel,
6852         get_nonnull_operand, handle_sentinel_attribute,
6853         check_function_arguments_recurse): Do not strip NOPS from
6854         INTEGER_CSTs.
6855         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
6856         Likewise.
6857         * c-format.c (get_constant): Likewise.
6858         * c-parser.c (c_parser_postfix_expression): Likewise.
6859         * c-typeck.c (set_init_index): Likewise.
6860         (convert_arguments): Don't check for NOP_EXPR containing integer
6861         constant.
6862
6863 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
6864
6865         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
6866         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
6867         Take decomposed arguments of CALL_EXPR.
6868         (fold_builtin_1): Update calls to the functions mentioned
6869         above.
6870
6871 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6872
6873         * c-decl.c (check_bitfield_type_and_width): Require bit-field
6874         width to have integer type.
6875         (build_enumerator): Require enumerator value to have integer type.
6876
6877 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6878
6879         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
6880         to __builtin_inff.
6881
6882 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6883
6884         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
6885         std=iso9899:199x): Correct descriptions.
6886
6887 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6888
6889         * config.gcc: Consistently use solaris2.1[0-9]* instead of
6890         solaris2.1[0-9].
6891
6892 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
6893
6894         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
6895         of CALL_EXPR.
6896         (expand_builtin_memcpy, fold_builtin_1): Update calls to
6897         fold_builtin_memcpy.
6898
6899         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
6900         arguments of CALL_EXPR.
6901         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
6902         fold_builtin_found, fold_builtin_1): Update calls to
6903         fold_trunc_transparent_mathfn.
6904
6905 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6906
6907         PR middle-end/20493
6908         * fold-const.c (fold_widened_comparison): Don't optimize casts of
6909         function pointers on targets that require function pointer
6910         canonicalization.
6911         (fold_sign_changed_comparison): Likewise.
6912
6913 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
6914
6915         * combine.c (try_combine): When changing the mode of a hard reg, make
6916         sure that doing so is valid.
6917
6918 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
6919
6920         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
6921         (TARGET_HANDLE_OPTION): Override default.
6922         (avr_handle_option): New function.
6923         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
6924         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
6925         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
6926         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
6927         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
6928         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
6929         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
6930         (TARGET_OPTIONS): Delete.
6931         * config/avr/avr.opt: New file.
6932
6933 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6934
6935         * config/m32r/m32r-protos.h: Remove the prototypes for
6936         call_address_operand, symbolic_operand, seth_add3_operand,
6937         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6938         reg_or_uint16_operand, reg_or_cmp_int16_operand,
6939         two_insn_const_operand, move_src_operand,
6940         move_double_src_operand, move_dest_operand,
6941         eqne_comparison_operator, signed_comparison_operator,
6942         large_insn_p, conditional_move_operand, carry_compare_operand,
6943         m32r_block_immediate_operand, extend_operand,
6944         reg_or_eq_int16_operand, int8_operand, and
6945         reg_or_zero_operand.
6946         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6947         seth_add3_operand, int8_operand, cmp_int16_operand,
6948         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6949         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6950         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6951         move_double_src_operand, move_dest_operand,
6952         eqne_comparison_operator, signed_comparison_operator,
6953         extend_operand, small_insn_p, large_insn_p,
6954         conditional_move_operand, carry_compare_operand,
6955         m32r_block_immediate_operand): Move to predicates.md.
6956         (MAX_MOVE_BYTES): Move to m32r.h.
6957         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6958         * config/m32r/m32r.md: Include predicates.md.
6959         * config/m32r/predicates.md: New.
6960
6961 2005-03-18  James E Wilson  <wilson@specifixinc.com>
6962
6963         PR c++/19769
6964         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
6965         origin.
6966
6967 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6968
6969         * config/mn10300/mn10300-protos.h: Remove the prototypes for
6970         call_address_operand, const_8bit_operand.
6971         * config/mn10300/mn10300.c (call_address_operand,
6972         const_8bit_operand, const_1f_operand): Move to predicates.md.
6973         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
6974         * config/mn10300/mn10300.md: Include predicates.md.
6975         * config/mn10300/predicates.md: New.
6976
6977 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
6978
6979         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
6980         declarations in diagnostics and %E for identifiers, not %s.
6981
6982 2005-03-18  Jan Hubicka  <jh@suse.cz>
6983             Dale Johannesen  <dalej@apple.com>
6984
6985         * basic-block.h (scale_bbs_frequencies_int,
6986         scale_bbs_frequencies_gcov_type): Declare.
6987         * cfg.c (RDIV): New macro.
6988         (update_bb_frequency_for_threading): Fix.
6989         * basic-block.h (scale_bbs_frequencies_int,
6990         scale_bbs_frequencies_gcov_type): New.
6991         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
6992         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
6993         scale_bbs_frequencies_int.
6994         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
6995
6996 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6997
6998         * config/m32r/m32r-protos.h: Remove the prototypes for
6999         call_address_operand, symbolic_operand, seth_add3_operand,
7000         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7001         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7002         two_insn_const_operand, move_src_operand,
7003         move_double_src_operand, move_dest_operand,
7004         eqne_comparison_operator, signed_comparison_operator,
7005         large_insn_p, conditional_move_operand, carry_compare_operand,
7006         m32r_block_immediate_operand, extend_operand,
7007         reg_or_eq_int16_operand, int8_operand, and
7008         reg_or_zero_operand.
7009         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7010         seth_add3_operand, int8_operand, cmp_int16_operand,
7011         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7012         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7013         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7014         move_double_src_operand, move_dest_operand,
7015         eqne_comparison_operator, signed_comparison_operator,
7016         extend_operand, small_insn_p, large_insn_p,
7017         conditional_move_operand, carry_compare_operand,
7018         m32r_block_immediate_operand): Move to predicates.md.
7019         (MAX_MOVE_BYTES): Move to m32r.h.
7020         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7021         * config/m32r/m32r.md: Include predicates.md.
7022         * config/m32r/predicates.md: New.
7023
7024         * config/pa/pa-protos.h: Add prototypes for magic_milli and
7025         shadd_constant_p.
7026         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
7027         symbolic_operand, symbolic_memory_operand,
7028         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
7029         indexed_memory_operand, move_dest_operand, move_src_operand,
7030         prefetch_cc_operand, prefetch_nocc_operand,
7031         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
7032         arith_operand, arith11_operand, pre_cint_operand,
7033         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
7034         ireg_operand, int5_operand, uint5_operand, int11_operand,
7035         uint32_operand, arith5_operand, and_operand, ior_operand,
7036         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
7037         pc_or_label_operand, div_operand, plus_xor_ior_operator,
7038         shadd_operand, movb_comparison_operator,
7039         cmpib_comparison_operator): Move to predicates.md.
7040         (magic_milli, shadd_constant_p): Make it extern.
7041         * config/pa/pa.h (PREDICATE_CODES): Remove.
7042         * config/pa/pa.md: Include predicates.md.
7043         * config/pa/predicates.md: New.
7044
7045         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7046         predicate.
7047
7048 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7049
7050         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
7051         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
7052         config/alpha/freebsd.h, config/alpha/linux.h,
7053         config/alpha/netbsd.h, config/alpha/osf5.h,
7054         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
7055         config/h8300/h8300-protos.h, config/h8300/h8300.c,
7056         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
7057         doc/cppopts.texi: Update copyright.
7058
7059 2005-03-18  Jan Hubicka  <jh@suse.cz>
7060
7061         PR middle-end/20225
7062         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
7063         too late.
7064         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
7065         called too late.
7066
7067 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7068
7069         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7070         VEC_safe_push.
7071
7072 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
7073
7074         * combine.c (gen_binary): Remove.
7075         (known_cond, simplify_shift_const, find_split_point,
7076         combine_simplify_rtx, simplify_if_then_else, simplify_set,
7077         simplify_logical, expand_field_assignment, extract_left_shift,
7078         force_to_mode, if_then_else_cond, apply_distributive_law,
7079         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
7080         simplify_comparison, reversed_comparison): Replace with
7081         simplify_gen_binary, simplify_gen_relational or
7082         distribute_and_simplify_rtx.
7083         (distribute_and_simplify_rtx): New function.
7084
7085 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
7086             Paolo Bonzini  <gcc.gnu.org>
7087
7088         * calls.c (setjmp_call_p, special_function_p): Update comments
7089         at the head of the functions.
7090
7091 2005-03-18  Jan Hubicka  <jh@suse.cz>
7092
7093         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
7094
7095         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
7096         function body should be released; do not proactively release function
7097         bodies in non-unit-at-a-time mode.
7098
7099 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
7100
7101         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
7102         mno-fp-ret-in-387 multilib variants.
7103
7104 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
7105
7106         * common.opt (m): Remove.
7107         * opts.c (handle_option): Pass 'm' options to set_target_switch if
7108         table lookup fails.
7109         (common_handle_option): Remove OPT_m case.
7110
7111 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7112
7113         * builtins.c (fold_builtin_bitop): Take decomposed arguments
7114         of CALL_EXPR.
7115         (fold_builtin_1): Update a call to fold_builtin_bitop.
7116
7117         * builtins.c (fold_builtin_signbit): Take decomposed arguments
7118         of CALL_EXPR.
7119         (fold_builtin_1): Update a call to fold_builtin_signbit.
7120
7121 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
7122
7123         PR tree-optimization/20474
7124         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
7125         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
7126
7127 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7128
7129         * config/h8300/h8300-protos.h: Remove prototypes for
7130         general_operand_src, general_operand_dst, single_one_operand,
7131         single_zero_operand, call_insn_operand,
7132         two_insn_adds_subs_operand, small_call_insn_operand,
7133         jump_address_operand, bit_operand, bit_memory_operand,
7134         stack_pointer_operand, const_int_gt_2_operand,
7135         const_int_ge_8_operand, const_int_qi_operand,
7136         const_int_hi_operand, incdec_operand, bit_operator,
7137         nshift_operator, eqne_operator, gtle_operator,
7138         gtuleu_operator, iorxor_operator.
7139         Add prototypes for h8sx_shift_type h8sx_classify_shift and
7140         h8300_ldm_stm_parallel.
7141         * config/h8300/h8300.c (h8sx_shift_type,): Move to
7142         h8300-protos.h.
7143         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
7144         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
7145         (h8300_ldm_stm_parallel): Make it extern.
7146         (h8300_ldm_parallel, h8300_stm_parallel,
7147         h8300_return_parallel, general_operand_src,
7148         general_operand_dst, h8300_dst_operand, h8300_src_operand,
7149         nibble_operand, reg_or_nibble_operand, single_one_operand,
7150         single_zero_operand, call_insn_operand,
7151         two_insn_adds_subs_operand, small_call_insn_operand,
7152         jump_address_operand, bit_operand, bit_memory_operand,
7153         stack_pointer_operand, const_int_gt_2_operand,
7154         const_int_ge_8_operand, const_int_qi_operand,
7155         const_int_hi_operand, incdec_operand, eqne_operator,
7156         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
7157         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
7158         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
7159         nshift_operator): Move to predicates.md.
7160         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
7161         * config/h8300/h8300.md: Include predicates.md.
7162         * config/h8300/predicates.md: New.
7163
7164 2005-03-17  Richard Henderson  <rth@redhat.com>
7165
7166         * config.gcc (ia64*-*-hpux*): Add extra_options.
7167         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
7168         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7169         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
7170         (ia64_tls_size_string, ia64_tune_string): Remove.
7171         (ia64_tune): Init to PROCESSOR_ITANIUM2.
7172         (TARGET_DEFAULT_TARGET_FLAGS): New.
7173         (TARGET_HANDLE_OPTION): New.
7174         (ia64_override_options): Move options parsing ...
7175         (ia64_handle_option): ... here.  New.
7176         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
7177         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
7178         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
7179         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
7180         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
7181         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
7182         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
7183         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
7184         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
7185         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
7186         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
7187         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
7188         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
7189         TARGET_EARLY_STOP_BITS): Remove.
7190         (TARGET_ILP32): Default false.
7191         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
7192         (enum ia64_inline_type): New.
7193         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7194         * config/ia64/ia64.md: Update for new definitions of
7195         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
7196         * config/ia64/ia64.opt: New file.
7197         * config/ia64/ilp32.opt: New file.
7198
7199 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7200
7201         PR target/18380
7202         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
7203
7204 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7205
7206         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
7207         instead of MASK_H8300S.
7208         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
7209         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
7210         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
7211         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
7212         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
7213         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
7214         TARGET_SWITCHES): Remove.
7215         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
7216         TARGET_H8300SX.
7217         * config/h8300/h8300.opt: New.
7218
7219         * config/alpha/alpha.opt, config/arc/arc.opt,
7220         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
7221         notices.
7222
7223 2005-03-17  Ian Lance Taylor  <ian@airs.com>
7224
7225         * gmon.c: Remove.
7226
7227 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
7228
7229         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
7230         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
7231         (TARGET_HANDLE_OPTION): Override default.
7232         (arc_handle_option): New function.
7233         (arc_init): Remove code to set arch_cpu_string.
7234         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
7235         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
7236         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
7237         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
7238         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
7239         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
7240         (arc_rodata_string, TARGET_OPTIONS): Delete.
7241         * config/arc/arc.opt: New file.
7242
7243 2005-03-17  Richard Henderson  <rth@redhat.com>
7244
7245         * doc/extend.texi (Weak Pragmas): New section.
7246         (attribute alias): Clarify that target must be in the same
7247         translation unit.
7248
7249 2005-03-17  Richard Henderson  <rth@redhat.com>
7250
7251         * config/alpha/alpha.opt: New file.
7252         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
7253         of alpha_cpu.
7254         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
7255         alpha_fprm_string, alpha_fptm_string): Make static.
7256         (alpha_tls_size_string): Remove.
7257         (alpha_handle_option): New.
7258         (override_options): Update for alpha_cpu/alpha_tune split.
7259         (alpha_file_start): Likewise.
7260         (TARGET_DEFAULT_TARGET_FLAGS): New.
7261         (TARGET_HANDLE_OPTION): New.
7262         * config/alpha/alpha.h (alpha_tune): Declare.
7263         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
7264         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
7265         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
7266         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
7267         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
7268         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
7269         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
7270         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
7271         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
7272         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
7273         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
7274         (TARGET_DEFAULT): Remove MASK_FP.
7275         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
7276         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
7277         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
7278         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
7279         alpha_tls_size_string): Remove.
7280         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
7281         (attribute tune): Rename from attribute cpu.
7282         * config/alpha/ev4.md: Update to match.
7283         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
7284         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
7285         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
7286         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
7287         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
7288         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
7289
7290 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
7291
7292         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
7293         and return without creating new state if before_nops_num is nonzero.
7294         * config/ia64/ia64.md (first_insn): New attribute.
7295         (alloc): Set it to yes.
7296
7297 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7298
7299         * tree-vectorizer.c (new_vec_stmt_info): Initialize
7300         STMT_VINFO_SUBVARS to NULL.
7301         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7302
7303 2005-03-16 Dale Johannesen  <dalej@apple.com>
7304
7305         * rtlanal.c (find_first_parameter_load):  Rewrite to
7306         return actual first param load or the call if none,
7307         instead of first in block, when not all loads exist.
7308
7309 2005-03-16  Roger Sayle  <roger@eyesopen.com>
7310
7311         * optabs.c (expand_copysign_absneg): Make static.
7312         * optabs.h (expand_copysign_absneg): Delete prototype.
7313         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
7314
7315 2005-03-16  Richard Henderson  <rth@redhat.com>
7316
7317         PR middle-end/15700
7318         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
7319         (alias_pairs): Rename from output_defs.
7320         (find_decl_and_mark_needed): Split out from assemble_alias.
7321         (do_assemble_alias): New.
7322         (assemble_output_def): Remove.
7323         (finish_aliases_1, finish_aliases_2): New.
7324         (process_pending_assemble_output_defs): Remove.
7325         (assemble_alias): Defer aliases for which we don't yet have a
7326         non-external decl for the target symbol.
7327         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
7328         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
7329         * toplev.c (compile_file): Use finish_aliases_2 instead of
7330         process_pending_assemble_output_defs.
7331         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
7332         (process_pending_assemble_output_defs): Remove.
7333
7334 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7335
7336         Fix PR tree-optimization/20489
7337
7338         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
7339         for empty structures.
7340
7341 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7342
7343         Fix PR tree-optimization/20490
7344
7345         * tree-ssa-pre.c (create_expression_by_pieces): Use
7346         force_gimple_operand on result of fold.
7347
7348 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
7349
7350         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
7351         of closing parenthesis.
7352
7353 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
7354
7355         * builtins.c (expand_movstr): Update a call to
7356         fold_builtin_strcpy.
7357         (expand_builtin_strncpy): Update a call to
7358         fold_builtin_strncpy.
7359         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
7360         arguments of CALL_EXPR.
7361         (fold_builtin_1): Update calls to fold_builtin_strcpy and
7362         fold_builtin_strncpy.
7363         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7364         * tree.h: Update the prototypes of fold_builtin_strcpy and
7365         fold_builtin_strncpy.
7366
7367 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7368             Dorit Naishlos  <dorit@il.ibm.com>
7369
7370         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
7371         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
7372         error.
7373
7374 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7375
7376         * tree-inline.c (walk_type_fields, walk_tree,
7377         walk_tree_without_duplicates): Move from here...
7378         * tree.c: ...to here.
7379
7380 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
7381
7382         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
7383         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
7384         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7385         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
7386         (version): Define using $(BASEVER_c).
7387         (Makefile, config.status, build/gcov-iov.o): No longer depends on
7388         version.c.
7389         (version.o): Depend on version files; add custom generation command.
7390         (prefix.o): Define BASEVER on command line.
7391         (s-iov): Depend on version files; adjust command.
7392         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
7393         Add gcc-vers.texi.
7394         (gcc-vers.texi): New rule.
7395         (doc/%.info, doc/%.dvi): Add -I . to command line.
7396         (doc/gccinstall.dvi): Likewise.
7397         (PACKAGE): Delete.  All uses replaced with "gcc".
7398         * aclocal.m4: Do not include gcc-version.m4.
7399         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
7400         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
7401         Set is_release based on contents of DEV-PHASE.
7402         Set gcc_version based on contents of BASE-VER.
7403         Define WIN32_REGISTRY_KEY only if the user overrode the default.
7404         * config.in, configure: Regenerate.
7405         * gccbug.in: Determine version of GCC in use at runtime.
7406         * gcov-iov.c: Get version number and development phase from
7407         command line, not by including version.c.
7408         * intl.c: Replace all uses of PACKAGE with "gcc".
7409         * libada-mk.in: Delete unused "gcc_version" variable.
7410         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
7411         * version.c: (VERSUFFIX): New hook for redistributors; adjust
7412         commentary to match.
7413         (version_string): Put together from pieces.
7414         * config/alpha/x-vms: Do not use $(gcc_version).
7415         * config/i386/t-nwld: Likewise.
7416         * doc/include/gcc-common.texi: Include gcc-vers.texi for
7417         version-GCC and DEVELOPMENT.
7418
7419 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7420
7421         PR tree-optimization/17454
7422         * tree.c (tree_size): Add case for TREE_BINFO.
7423         * fold-const.c (fold_checksum_tree): Only clear the overloaded
7424         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
7425
7426 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7427
7428         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
7429         op1 whilst expanding the signed widenening multiply variant.
7430
7431 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
7432
7433         * toplev.c (display_target_options): Avoid unused variable warning if
7434         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
7435         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
7436         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
7437         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
7438         (mips_isa_info): New variable.
7439         (mips_parse_cpu): Remove the first argument and leave the caller
7440         to report errors.
7441         (TARGET_HANDLE_OPTION): Override default.
7442         (mips_handle_option): New function.  Move option validation code from...
7443         (override_options): ...here.  Update calls to mips_parse_cpu.
7444         * config/mips/mips.h (mips_arch_string, mips_tune_string)
7445         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
7446         (SUBTARGET_TARGET_OPTIONS): Delete.
7447         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
7448         (mno-flush-func, mtune=): New options.
7449
7450 2005-03-15  Roger Sayle  <roger@eyesopen.com>
7451             Richard Henderson  <rth@redhat.com>
7452
7453         * real.c (c4x_single_format, c4x_extended_format): Provide values
7454         for signbit_ro for c4x's single and extended floating point formats.
7455         * optabs.c (expand_copysign): Use the floating point format's
7456         signbit_ro for expanding via expand_copysign_absneg, and it's
7457         signbit_rw field for expanding via expand_copysign_bit.
7458
7459 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
7460
7461         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
7462         known_alignment_for_access_p.
7463         (known_alignment_for_access_p): New.
7464         (do_peeling_for_alignment): Field made int instead of bool and renamed
7465         to peeling_for_alignment.
7466         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
7467         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
7468         functionality used to be in vect_analyze_operations.
7469         (vect_analyze_operations): Code to determine vectorization factor was
7470         moved to vect_determine_vectorization_factor.
7471         (vect_enhance_data_refs_alignment): Update to correct alignment when it
7472         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
7473         factor.
7474         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
7475         be part of vect_analyze_operations).
7476         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
7477         creating the guard condition, as the number of iterations may be
7478         constant.
7479         (slpeel_tree_peel_loop_to_edge): Use new name of
7480         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
7481         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
7482         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
7483         (vect_do_peeling_for_alignment): Use fold.
7484         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
7485
7486         (vect_update_inits_of_dr): Renamed to
7487         vect_update_init_of_dr.
7488         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
7489         (vectorizable_store): Fix assertion to use == instead of =.
7490
7491 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
7492
7493         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
7494         call_used_regs for wCG registers.
7495
7496 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
7497
7498         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7499         for non-offsettable memory references to cope with outstanding reload
7500         replacements, take 2.
7501
7502 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
7503
7504         PR target/18668
7505         * config/i386/i386.h (x86_fisttp): New.
7506         (TARGET_FISTTP): New macro.
7507         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
7508         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
7509         instruction when fisttp flag is set.
7510         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
7511
7512         * config/i386/i386.md (type attribute): Add fisttp.
7513         (unit attribute): Set to i387 for fisttp type.
7514         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
7515         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
7516         TARGET_FISTTP.
7517         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
7518         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
7519         macros.
7520         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
7521         patterns for TARGET_FISTTP.  Enable patterns for
7522         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
7523         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
7524         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
7525         implement fisttp x87 insn.
7526         (fix_trunc*_i387_fisttp splitters): New patterns.
7527         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
7528         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
7529         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
7530         clobber.
7531         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
7532         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
7533         Implement using mode macros. Disable patterns for TARGET_FISTTP.
7534         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
7535         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
7536         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
7537         Disable patterns for TARGET_FISTTP.
7538         (fix_trunc*_i387 splitters): Implement usign mode macros.
7539         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
7540         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
7541         (fix_trunx*_sse peephole2s): Implement using mode macros.
7542
7543 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
7544
7545         PR rtl-optimization/20291
7546         * combine.c (try_combine): If splitting fails, re-try with
7547         original combined pattern, i.e. before clobber stripping.
7548
7549 2005-03-14  Eric Christopher  <echristo@redhat.com>
7550
7551         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
7552         STACK_GROWS_DOWNWARD.
7553
7554 2005-03-14  Roger Sayle  <roger@eyesopen.com>
7555
7556         * real.h (struct real_format): Split the signbit field into two
7557         two fields, signbit_ro and signbit_rw.
7558         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
7559         mips_double_format, ieee_extended_motorola_format,
7560         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
7561         ieee_extended_intel_128_format, ibm_extended_format,
7562         mips_extended_format, ieee_quad_format, mips_quad_format,
7563         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
7564         i370_double_format, c4x_single_format, c4x_extended_format,
7565         real_internal_format): Update initializers for new field.
7566         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
7567         real_format structure.
7568         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
7569         field of the real_format structure.
7570
7571 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
7572
7573         Fix PR tree-optimization/20458
7574
7575         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
7576         DECL_EXTERNAL on STRUCT_FIELD tags.
7577         (clear_call_clobbered): Ditto.
7578         * tree-ssa-operands.c (note_addressable): Make sure the original
7579         variable doesn't slip into the addressable list if we have
7580         subvars.
7581         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
7582         tags too.
7583
7584 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
7585
7586         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
7587         (-fwide-exec-charset): Likewise.
7588         (-finput-charset): Likewise.
7589         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
7590         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
7591         * c.opt (Wnormalized): New.
7592
7593 2005-03-14  Devang Patel  <dpatel@apple.com>
7594
7595         * doc/invoke.texi: Add reference to Visibility document.
7596
7597 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
7598
7599         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
7600         MASK_SPLIT_ADDRESSES.
7601         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
7602         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
7603         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
7604         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
7605         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
7606         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
7607         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
7608         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
7609         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
7610         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
7611         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
7612         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
7613         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
7614         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
7615         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
7616         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
7617         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
7618         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
7619         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
7620         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
7621         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
7622         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
7623         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
7624         (TARGET_EXPLICIT_RELOCS): Delete.
7625         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
7626         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
7627         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7628         (override_options): Set MASK_LONG64 if -mint64 is given and no
7629         -mlongXX option is.  Complain about -mint64 -mlong32.
7630         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
7631         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
7632         * config/mips/mips.opt: New file.
7633
7634 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
7635
7636         * config.gcc (extra_options): New variable for listing option files.
7637         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
7638         * configure.ac (extra_opt_files): New AC_SUBST variable.
7639         (tm_file_list, tm_include_list): Include options.h first.
7640         * configure: Regenerate.
7641         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
7642         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
7643         (s-options-h): New rule.
7644         (options.h): Depend on it.
7645         (TEXI_GCCINT_FILES): Add options.texi.
7646         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
7647         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
7648         * target.h (gcc_target): Add default_target_flags and handle_option.
7649         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
7650         (TARGET_HANDLE_OPTION): New macros.
7651         (TARGET_INITIALIZER): Include them.
7652         * opt-functions.awk (opt_args, nth_arg): New functions.
7653         (switch_flags): Handle the "Target" flag.
7654         (var_args): Delete.
7655         (var_name): Use opt_args and nth_arg.
7656         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
7657         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
7658         macros for the "Mask" and "InverseMask" options.
7659         * opts.h (cl_var_cond): New enum.
7660         (cl_option): Replace the "has_set_value" and "set_value" fields with
7661         "var_cond" and "var_value".
7662         (CL_TARGET): New macro.
7663         (option_enabled, print_filtered_help): Declare.
7664         (decode_options): Move definition.
7665         * opts.c (handle_option): Search for the original option before
7666         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
7667         var_cond and var_value fields.  Use targetm.handle_option to handle
7668         target options.
7669         (decode_options): Set target_flags to targetm.default_target_flags.
7670         (print_filtered_help): Make global.  Handle CL_TARGET.
7671         (option_enabled): New function.
7672         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
7673         (display_target_options, set_target_switch, print_switch_values)
7674         (default_pch_valid_p): Guard uses of target_switches with
7675         #ifdef TARGET_SWITCHES.  Also...
7676         (display_target_options): Display the CL_TARGET entries in cl_options.
7677         (set_target_option): Don't complain about the "" option when
7678         TARGET_SWITCHES is undefined.
7679         (print_switch_values): Use option_enabled.
7680         (default_pch_valid_p): Check cl_options[] when looking for something
7681         that has changed the value of target_flags.
7682         * c.opt: Remove documentation from top of file.
7683         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
7684         * doc/sourecebuild.texi: Refer to the new options documentation
7685         instead of c.opt.  Document machine-specific .opt files.
7686         * doc/tm.texi (target_flags): Say that this variable is declared
7687         by options.h.
7688         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
7689         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
7690         an alternative.
7691         * doc/options.texi: New file.
7692
7693 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
7694
7695         PR middle-end/18628
7696         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
7697         register.
7698
7699 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
7700
7701         PR c++/20280
7702         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
7703         temporary variable of pointer type if an lvalues is required.
7704         (gimplify_modify_expr_rhs): Request an rvalue from it.
7705         (gimplify_expr): Pass fallback on.
7706
7707 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7708
7709         * cfgbuild.c: Update comments.
7710
7711 2005-03-14  Roger Sayle  <roger@eyesopen.com>
7712
7713         PR rtl-optimization/17236
7714         * optabs.c (expand_doubleword_mult): New helper function split out
7715         from expand_binop.  Permute the order in which instructions are
7716         emitted to minimize the number of simultaneously live registers.
7717         (expand_binop): Call expand_doubleword_mult to synthesize a double
7718         word multiplication.
7719
7720 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7721
7722         * basic-block.h: Update the prototypes of cached_make_edge and
7723         rtl_make_eh_edge.
7724         * cfg.c (cached_make_edge): Take edge_cache representing one
7725         row of the adjacency matrix of edges.
7726         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
7727         (make_edges): Initialize edge_cache to represent one row of
7728         the adjacency matrix of edges.
7729
7730 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7731
7732         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
7733         New functions.
7734         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
7735         Remove unused removed_phis variable.
7736         (conditional_replacement): Use build1/build2.
7737         (abs_replacement): Use last_and_only_stmt and build1/build2.
7738
7739 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7740
7741         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
7742         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
7743         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
7744         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
7745         * c-common.c (handle_novops_attribute): New function.
7746         (c_common_attribute_table): Add "no vops" entry.
7747         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
7748         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
7749         * tree-ssa-operands.c (get_call_expr_operands): Do not
7750         create virtual operands for calls with ECF_NOVOPS flag.
7751         * tree.h (DECL_IS_NOVOPS): New macro.
7752         (struct tree_decl): Add novops_flag.
7753         (ECF_NOVOPS): New constant.
7754
7755 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
7756
7757         PR target/17688
7758         * config/i386/i386.c (x86_use_himode_fiop): New.
7759         (x86_use_simode_fiop): Rename from x86_use_fiop.
7760         * config/i386/i386.h (x86_use_himode_fiop): Declare.
7761         (TARGET_USE_HIMODE_FIOP): New.
7762         (x86_use_simode_fiop): Rename from x86_use_fiop.
7763         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
7764
7765         * config/i386/i386.md (X87MODEI12): New mode macro define.
7766         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
7767         to implement x87 FP compare with HImode input operands.
7768         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
7769         Use X87MODEI12 mode macro to handle HImode input operands.
7770         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
7771         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
7772         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
7773         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
7774         macro to implement x87 operators with HImode input operands.
7775         (fop splitters): Use X87MODEI12 mode macro to handle HImode
7776         input operands.
7777
7778 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7779
7780         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
7781         integer_zerop.
7782         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
7783         constants invariant.
7784
7785 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7786
7787         * basic-block.h (BB_VISITED): Removed.
7788         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
7789
7790 2005-03-14  Falk Hueffner  <falk@debian.org>
7791
7792         PR bootstrap/20424
7793         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
7794
7795 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7796
7797         * ggc-zone.c: Fix comment typos.
7798
7799         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
7800         stringpool.c, config/mips/mips-protos.h: Update copyright.
7801
7802 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
7803
7804         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
7805         throughout with its typedef, "rtx".
7806         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
7807         (rs6000_tls_symbol_ref_1): Remove inline keyword.
7808         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
7809         regs in comment to match code.
7810
7811 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7812
7813         * except.c (check_handled): Make it static.
7814         * except.h: Remove the corresponding prototype.
7815
7816         * function.c (get_func_frame_size): Make it static.
7817         * function.h: Remove the corresponding type.
7818
7819         * regclass.c (reg_class_superclasses, reg_class_subclasses):
7820         Make them static.
7821         * hard-reg-set.h: Remove the corresponding declarations.
7822
7823         * tree-cfg.c (verify_stmts): Check that
7824         bb_for_stmt (stmt) == bb for every PHI node and statement.
7825
7826 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
7827
7828         * config.gcc: Remove excess indentation.
7829         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
7830
7831 2005-03-13  Roger Sayle  <roger@eyesopen.com>
7832
7833         PR middle-end/19331
7834         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
7835         * fold-const.c (fold_sign_changed_comparison): Likewise.
7836         (fold_binary): Optimize comparisons against widened operands if
7837         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
7838
7839 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7840
7841         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
7842         (sparc_override_options): Initialize it.
7843         (sparc_struct_value_rtx): Set it on the MEM to be returned.
7844
7845 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
7846
7847         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
7848         (reg_or_none500mem_operand): New predicate.
7849         (zero_reg_mem_operand): New predicate.
7850         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
7851         to reg_or_none500mem_operand.
7852         (extendsfdf2_fpr): Add MEM alternative.
7853         (extenddftf2_internal): Change operand2 predicate to
7854         zero_reg_mem_operand.
7855
7856 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7857
7858         * ggc-zone.c: Rewritten.
7859
7860         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
7861         if there are none.
7862         * configure.ac: Define GGC_ZONE for --with-gc=zone.
7863         * config.in: Regenerated.
7864         * configure: Regenerated.
7865         * gengtype.c (write_types_process_field, write_func_for_structure):
7866         Pass new argument to gt_pch_note_object.
7867         * ggc-common.c (struct ptr_data): Add TYPE.
7868         (gt_pch_note_object): Take TYPE argument and save it.
7869         (call_count): Update call to ggc_pch_count_object.
7870         (call_alloc): Update call to ggc_pch_alloc_object.
7871         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
7872         file.
7873         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
7874         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
7875         (ggc_alloc_zone_stat): Delete.
7876         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
7877         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
7878         (ggc_pch_alloc_object): Update prototypes.
7879         (garbage_zone): Delete.
7880         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
7881         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
7882         pointers.
7883         (tree_id_zone): New variable.
7884         (ggc_alloc_cleared_zone): Remove unused.
7885         (ggc_alloc_zone): Define.
7886         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
7887         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
7888         ggc_alloc_zone_stat.
7889         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
7890         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
7891         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
7892         (make_node_stat): Likewise.  Use tree_id_zone.
7893
7894 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7895             Joseph S. Myers  <joseph@codesourcery.com>
7896
7897         * configure.ac: Check for MIPS TLS.
7898         * configure: Regenerated.
7899         * config/mips/mips-protos.h (enum mips_symbol_type): Add
7900         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
7901         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
7902         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
7903         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
7904         (mips_classify_symbol, mips_symbolic_constant_p)
7905         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
7906         (mips_tls_operand_p, mips_call_tls_get_addr)
7907         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
7908         (mips_tls_symbol_ref_1): New functions.
7909         (mips_legitimize_address, mips_legitimize_const_move): Call
7910         mips_legitimize_tls_address.
7911         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
7912         for MIPS16.
7913         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
7914         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
7915         (mips_char_to_class): Document V1_REG.
7916         (HAVE_AS_TLS): Provide default.
7917         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
7918         constants.
7919         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
7920         !TARGET_ABICALLS.
7921         (tls_get_tp_<mode>): New instruction.
7922
7923 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7924
7925         * configure.ac: Update checks for target tools.
7926         * configure: Regenerated.
7927
7928 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7929
7930         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
7931
7932 2005-03-13  Roger Sayle  <roger@eyesopen.com>
7933
7934         * expmed.c (expand_mult): Use synthetic multiplication sequences for
7935         more classes of DImode multiplication by constant.  Allow both
7936         multiplication by small negative constants (by performing a
7937         multiplication by a positive constant and negating the result) and
7938         multiplications by large powers of two, by using a left shift.
7939
7940 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
7941
7942         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
7943         of basic blocks into work_stack.
7944
7945         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
7946         config/mips/vr.h: Update copyright.
7947
7948         * c-decl.c (c_init_decl_processing): Remove useless calls to
7949         build_function_type.
7950
7951         * builtins.c (fold_trunc_transparent_mathfn,
7952         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
7953         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7954         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
7955         fold_builtin_strcpy, fold_builtin_strncpy,
7956         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
7957         TREE_TYPE (exp).
7958
7959         * builtins.c (expand_builtin_mathfn_3): Remove local variable
7960         before_call.
7961
7962         * lambda-code.c (lambda_compute_auxillary_space): Remove local
7963         variable determinant.
7964
7965         * tree-cfg.c (group_case_labels): Remove local variable type.
7966
7967         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
7968         variable ann.
7969
7970         * tree-ssa-phiopt.c (value_replacement): Remove local variable
7971         result.
7972
7973 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7974
7975         PR target/18251
7976         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
7977         (*movmemqi_insn): Delete.
7978         (*movmemhi): Delete.
7979
7980 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
7981
7982         * builtins.c (fold_builtin_classify): Take decomposed
7983         arguments of CALL_EXPR.
7984         (fold_builtin_1): Update a call to fold_builtin_classify.
7985
7986 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
7987
7988         PR c/20402
7989         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
7990         through into call to parser_xref_tag after parse error.
7991         (c_parser_struct_declaration): Consistently return NULL_TREE on
7992         error.
7993
7994 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
7995
7996         * tree-flow-inline.h (ref_contains_array_ref): New function.
7997         (lookup_subvars_for_var): Ditto.
7998         (get_subvars_for_var): Ditto.
7999         (var_can_have_subvars): Ditto.
8000
8001         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8002         (struct subvar): New type.
8003
8004         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8005
8006         * tree-optimize.c (init_tree_optimization_passes): Call
8007         pass_create_structure_vars.
8008
8009         * tree-ssa-alias.c: Include vec.h.
8010         (init_alias_info): Don't auto-clear call clobbered on struct-field
8011         tags.
8012         (compute_flow_insensitive_aliasing): Handle subvars.
8013         (group_aliases): Handle STRUCT_FIELD aliases.
8014         (setup_pointers_and_addressables): Ditto.
8015         Don't mark variables non-addressable if they still have
8016         addressable subvars.
8017         Also mark subvars addressable when the real variable is marked
8018         addressable.
8019         (add_pointed_to_var): Try to prune the pointed-to set by only
8020         pointing to subvars when possible.
8021         Otherwise, make sure we set addresses_needed and pt_vars to
8022         properly include subvars.
8023         (bitpos_of_field): New function.
8024         (push_fields_onto_fieldstack): Ditto.
8025         (get_or_create_used_part_for): Ditto.
8026         (create_overlap_variables_for): Ditto.
8027         (find_used_portions): Ditto.
8028         (create_structure_vars): Ditto.
8029         (pass_create_structure_vars): New structure.
8030
8031         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
8032         (get_expr_operands): Handle subvars.  Also try to turn
8033         COMPONENT_REF accesses into must-defs now that we can accurately
8034         portray it.
8035         (note_addressable): Try to only mark as addressable those subvars
8036         we know a COMPONENT_REF touches.
8037         (overlap_subvar): New function.
8038
8039         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
8040         Handle subvar storing.
8041         (vect_address_analysis): Update caller of vect_object_analysis.
8042
8043         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8044
8045         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8046         (STMT_VINFO_SUBVARS): New macro.
8047
8048         * common.opts: add flag_tree_salias.
8049
8050         * opts.c (decode_options): flag_tree_salias defaults to on.
8051
8052         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8053
8054         * doc/tree-ssa.texi: Document structural alias analysis.
8055
8056 2005-03-12  Steven Bosscher  <stevenb@suse.de>
8057
8058         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
8059         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
8060         * tree-ssa-operands.c (get_expr_operands): Likewise.
8061         (get_expr_operands): Likewise for ERROR_MARK.
8062
8063 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8064
8065         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8066         var.
8067
8068         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8069         removed_phis.
8070
8071         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8072         (mark_operand_necessary): Remove local variable ver.
8073
8074         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8075         variable prefix_len.
8076
8077         * value-prof.c (mod_subtract_transform): Remove local variable
8078         value.
8079
8080         * builtins.c (fold_builtin_exponent): Take decomposed
8081         arguments of CALL_EXPR.
8082         (fold_builtin_1): Update a call to fold_builtin_exponent.
8083
8084         * builtins.c (fold_builtin_logarithm): Take decomposed
8085         arguments of CALL_EXPR.
8086         (fold_builtin_1): Update a call to fold_builtin_logarithm.
8087
8088         * c-decl.c (c_init_decl_processing): Remove local variables
8089         ptr_ftype_void and ptr_ftype_ptr.
8090
8091         * gimplify.c (gimplify_expr): Remove local variables r0 and
8092         r1.
8093
8094         * reg-stack.c (move_for_stack_reg): Remove local variable
8095         push_insn.
8096         (compare_for_stack_reg): Remove local variable flags_user.
8097         (convert_regs_1): Remove local variable deleted.
8098
8099         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
8100         variable new_cond.
8101         (combine_blocks): Remove local variables exits and new_e.
8102
8103         * tree-inline.c (expand_call_inline): Remove local variable
8104         decl.
8105
8106         * tree-ssa-live.c (create_ssa_var_map,
8107         calculate_live_on_entry): Remove local variable snn.
8108
8109 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
8110
8111         * c-lex.c (c_lex_with_flags): Add parameter to call to
8112         cpp_spell_token.
8113
8114 2005-03-11  Per Bothner  <per@bothner.com>
8115
8116         * c-tree.h (struct c_declarator): New id_loc field.
8117         * c-pragma.h (c_lex_with_flags): Take position reference.
8118         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
8119         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
8120         (c_lex): Pass dummy location to c_lex_with_flags.
8121         * c-parser.c (c_lex_one_token): Set c_token's location using
8122         c_lex_with_flags, instead of input_location, which might be "ahead".
8123         (c_parser_direct_declarator): Set declarator's id_loc from
8124         c_token's id_loc.
8125         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
8126         declarator's id_loc, rather than probably-imprecise input_location.
8127         (build_id_declarator): Initialize c_declarator's id_loc field.
8128
8129 2005-03-11  Roger Sayle  <roger@eyesopen.com>
8130
8131         PR middle-end/20419
8132         * builtins.c (expand_builtin_signbit): Force the signbit's word
8133         into an integer register to avoid SUBREGs of floating point modes.
8134
8135 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8136
8137         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
8138         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
8139         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
8140         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
8141
8142 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
8143
8144         PR rtl-optimization/20306
8145         * expr.c (emit_move_complex): Set try_int false if mode is
8146         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
8147         emit_block_move if try_int is true.
8148
8149 2005-03-11  Richard Henderson  <rth@redhat.com>
8150
8151         PR target/20415
8152         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
8153         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
8154         to match.
8155
8156 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8157
8158         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
8159         (TARGET_FIX_VR4130): New macro.
8160         (TARGET_OPTIONS): Add -mfix-vr4130.
8161         (ISA_HAS_MACCHI): New macro.
8162         (ASM_SPEC): Add -mfix-vr4130.
8163         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
8164         (override_options): Handle mips_fix_vr4130_string.
8165         (mips_avoid_hazards): Clear all_noreorder_p
8166         if we're working around VR4130 errata and the macc alternatives
8167         are not available.
8168         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
8169         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
8170         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
8171         (MULTILIB_DEFAULTS): Remove leading "march=".
8172         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
8173         if no architecture option is given.
8174         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
8175         VR4130 multilibs.
8176         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
8177         * doc/invoke.texi: Document -mfix-vr4130.
8178
8179 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8180
8181         * config/mips/mips.c (override_options): Only warn about -mint64
8182         deprecation if TARGET_INT64.
8183
8184 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8185
8186         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
8187         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
8188         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
8189         are non-specific regarding the nonnull parameter positions.
8190         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
8191         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
8192         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
8193         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
8194
8195         * builtins.def: Use the non-specific "nonnull" attibute lists.
8196
8197 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8198
8199         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8200         single_pred_edge, single_succ, single_pred): Improve comments.
8201
8202 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8203
8204         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8205         single_pred_edge, single_succ, single_pred): New inline functions.
8206         * bb-reorder.c (rotate_loop, find_traces_1_round,
8207         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
8208         duplicate_computed_gotos): Use the single_succ/pred functions.
8209         * cfganal.c (forwarder_block_p): Ditto.
8210         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
8211         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8212         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
8213         merge_seq_blocks): Ditto.
8214         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
8215         * cfglayout.c (fixup_reorder_chain): Ditto.
8216         * cfgloop.c (mark_single_exit_loops, update_latch_info,
8217         canonicalize_loop_headers, verify_loop_structure): Ditto.
8218         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
8219         mfb_update_loops, create_preheader, force_single_succ_latches,
8220         create_loop_notes): Ditto.
8221         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
8222         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
8223         commit_one_edge_insertion, purge_dead_edges,
8224         cfg_layout_can_merge_blocks_p): Ditto.
8225         * except.c (sjlj_emit_function_enter): Ditto.
8226         * flow.c (init_propagate_block_info): Ditto.
8227         * function.c (thread_prologue_and_epilogue_insns): Ditto.
8228         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
8229         insert_insn_end_bb): Ditto.
8230         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
8231         find_if_case_2): Ditto.
8232         * lambda-code.c (perfect_nestify): Ditto.
8233         * lcm.c (optimize_mode_switching): Ditto.
8234         * loop-doloop.c (doloop_modify): Ditto.
8235         * loop-init.c (loop_optimizer_init): Ditto.
8236         * loop-iv.c (simplify_using_initial_values): Ditto.
8237         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
8238         * loop-unswitch.c (unswitch_loop): Ditto.
8239         * modulo-sched.c (generate_prolog_epilog): Ditto.
8240         * predict.c (combine_predictions_for_insn, estimate_probability,
8241         tree_estimate_probability, last_basic_block_p,
8242         estimate_bb_frequencies): Ditto.
8243         * profile.c (branch_prob): Ditto.
8244         * regrename.c (copyprop_hardreg_forward): Ditto.
8245         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
8246         * tracer.c (layout_superblocks): Ditto.
8247         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
8248         cfg_remove_useless_stmts_bb, cleanup_control_flow,
8249         cleanup_control_expr_graph, disband_implicit_edges,
8250         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
8251         tree_verify_flow_info, tree_make_forwarder_block,
8252         tree_forwarder_block_p, remove_forwarder_block,
8253         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
8254         * tree-if-conv.c (tree_if_conversion): Ditto.
8255         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
8256         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
8257         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
8258         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
8259         copy_loop_headers): Ditto.
8260         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
8261         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
8262         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
8263         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
8264         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
8265         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
8266         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
8267         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
8268         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
8269         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
8270         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
8271         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
8272         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
8273         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
8274         slpeel_add_loop_guard): Ditto.
8275
8276 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
8277
8278         PR tree-optimization/15784
8279         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8280         and -1 - A to ~A.
8281
8282         * stmt.c (expand_case): Don't change index_type.  Convert minval
8283         to the proper type.
8284
8285         PR tree-optimization/20130
8286         * fold-const.c (fold): Fold x * -1 into -x.
8287
8288 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
8289
8290         PR rtl-optimization/20331
8291         * rtlanal.c (modified_between_p): Check its address first for MEM.
8292         (modified_in_p): Likewise.
8293
8294 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
8295
8296         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
8297
8298 2005-03-10  Steven Bosscher  <stevenb@suse.de>
8299
8300         * expr.c (expand_expr_real_1): If possible, use a conditional
8301         move for expanding MIN_EXPR and MAX_EXPR.
8302         Use temp for moving around rtx-en.
8303
8304 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
8305
8306         PR rtl-opt/20412
8307         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
8308         correct mode.
8309
8310 2005-03-10  Roger Sayle  <roger@eyesopen.com>
8311
8312         * builtins.c (expand_builtin_signbit): Extend to handle floating
8313         point modes wider than the largest integer type, using the
8314         operand_subword_force function to obtain the signbit's word.
8315
8316 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
8317
8318         PR target/20322
8319         * combine.c (try_combine): If recog_for_combine added CLOBBERs
8320         to NEWI2PAT, fail to combine if they are used by NEWPAT.
8321
8322 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
8323
8324         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
8325
8326 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
8327
8328         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
8329         type void.
8330         (perform_edge_inserts): Unconditionally call
8331         free_dominator_info.
8332
8333         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
8334
8335 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
8336
8337         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
8338
8339 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
8340
8341         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
8342
8343         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
8344         gcc_unreachable.
8345         (rtl_register_value_prof_hooks,
8346         tree_value_profile_transformations,
8347         tree_register_value_prof_hooks): Likewise.
8348         * var-tracking.c (stack_adjust_offset_pre_post,
8349         variable_htab_free, variable_union, dataflow_set_different_2,
8350         count_uses, variable_was_changed, set_frame_base_location,
8351         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
8352         vt_add_function_parameters): Likewise.
8353         * varasm.c (named_section_real, named_section, make_decl_rtl,
8354         asm_emit_uninitialised, assemble_integer, decode_addr_const,
8355         const_hash_1, compare_constant, copy_constant, force_const_mem,
8356         output_constant_pool_2, output_constant_pool_1, output_constant,
8357         output_constructor, make_decl_one_only, decl_tls_model,
8358         default_no_named_section, default_elf_select_section_1,
8359         default_unique_section_1): Likewise.
8360         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
8361         * vmsdbgout.c (addr_const_to_string): Likewise.
8362
8363         PR c++/20375
8364         * function.c (struct assign_parm_data_one): Remove last_named
8365         field.
8366         (assign_parm_find_data_types): Don't determine last_named.
8367         Reorder named_parm determination.
8368         (assign_parms): Only setup varargs on the last non-varadic
8369         parameter.
8370
8371 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
8372
8373         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
8374         sda base address on medium model.
8375
8376 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
8377
8378         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
8379         * cfgloop.c (flow_loop_nodes_find): Export.
8380         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
8381         Declare.
8382         * cfgloopmanip.c (fix_loop_structure): New function.
8383         * predict.c (predict_loops): Clean up the loops information.
8384         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
8385         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
8386         loop structure.
8387         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
8388         (rewrite_into_loop_closed_ssa): Declaration changed.
8389         * tree-loop-linear.c (linear_transform_loops): Add argument to
8390         rewrite_into_loop_closed_ssa call.
8391         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8392         * tree-ssa-loop-im.c (move_computations): Ditto.
8393         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8394         * tree-vectorizer.c (vectorize_loops): Ditto.
8395         * tree-optimize.c: Include cfgloop.h.
8396         (execute_todo): Choose whether to call cleanup_tree_cfg or
8397         cleanup_tree_cfg_loop.
8398         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
8399         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
8400         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
8401         cleanup_tree_cfg_loop call.
8402         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
8403         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
8404         work on part of cfg.
8405
8406 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
8407
8408         PR inline-asm/20314
8409         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
8410         with multiple alternatives.
8411
8412         * stmt.c (parse_output_constraint): Fix a typo.
8413
8414 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
8415
8416         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
8417         assembly directive instead of deprecated "no-generics".
8418
8419 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
8420
8421         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8422         for non-offsettable memory references to cope with outstanding reload
8423         replacements.
8424         * config/s390/s390.md ("reload_outti"): Call find_replacement to
8425         avoid losing outstanding address reloads.
8426         ("reload_outdi", "reload_outdf"): Likewise.
8427
8428 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8429
8430         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
8431         code.  Add more cbrt transformations.
8432
8433 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8434
8435         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
8436
8437 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
8438
8439         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
8440         NULL_TREE when a given tree is not simplified.
8441         (fold): Return the original tree when any of the functions
8442         mentioned above NULL_TREE.
8443
8444         * fold-const.c (fold_unary, fold_binary): Take decomposed
8445         arguments, code, type, op0, and op1 in case of fold_binary.
8446         (fold): Update calls to fold_unary and fold_binary.
8447
8448 2005-03-09  Roger Sayle  <roger@eyesopen.com>
8449
8450         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
8451         a fndecl and an arglist instead of a CALL_EXPR, exp.
8452
8453 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
8454
8455         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
8456
8457         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
8458
8459         * expr.c (expand_assignment): Remove orig_to_rtx.
8460
8461         * fold-const.c (int_const_binop): Remove no_overflow.
8462
8463         * ifcvt.c (noce_emit_move_insn): Remove inmode.
8464
8465         * loop-iv.c (get_biv_step_1): Remove lhs.
8466
8467         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
8468
8469         * real.c (real_nan): Remove neg.
8470
8471         * function.c (thread_prologue_and_epilogue_insns): Remove i
8472         and newinsn.
8473
8474         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
8475         tb.
8476
8477         * tree-eh.c (tree_could_trap_p): Remove idx.
8478
8479         * tree-into-ssa.c (ann): Remove ann.
8480
8481         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
8482
8483         * tree-sra.c (decide_block_copy): Remove inst_count.
8484
8485         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
8486
8487         * tree-ssa-loop-im.c (lhs): Remove.
8488
8489         * cfgbuild.c (state, STATE, SET_STATE,
8490         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
8491         make_edges.
8492         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
8493         (find_basic_blocks): Set the state of each basic block to
8494         BLOCK_NEW.
8495
8496 2005-03-08  Jeff Law  <law@redhat.com>
8497
8498         * tree-cfg.c (cleanup_control_flow): If removal of a computed
8499         goto results in the removal of edges in the CFG, then we need
8500         to recompute dominators.
8501
8502 2005-03-09  Ben Elliston  <bje@au.ibm.com>
8503
8504         * c-common.c (c_do_switch_warnings): Comment fix.
8505
8506 2005-03-08  Julian Brown  <julian@codesourcery.com>
8507
8508         * Patch from 2005-03-08 reverted for causing regressions and
8509         ppc-darwin bootstrap failure.
8510
8511 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
8512
8513         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
8514         Define the real function for ppc-darwin.
8515         * c-typeck.c (convert_arguments): Check for target-specific
8516         invalid argument call to unprototyped function.
8517         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8518         New Macro.
8519         * target.h (invalid_arg_for_unprototyped_fn): New field
8520         in struct calls.
8521         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
8522         default target hook.
8523         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
8524         Declare.
8525
8526 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8527
8528         * c-typeck.c (constructor_stack, constructor_range_stack,
8529         initializer_stack): Make them static.
8530
8531         * cfg.c (rbi_pool): Make it static.
8532
8533         * gimple-low.c (lower_stmt_body): Make it static.
8534         * tree-flow.h: Remove the corresponding prototype.  Don't
8535         declare lower_data.
8536
8537         * sched-deps.c (cache_size): Make it static.
8538
8539         * stor-layout.c (lang_adjust_rli): Make it static.
8540
8541 2005-03-08  Julian Brown  <julian@codesourcery.com>
8542
8543         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8544         from being used for symbols with vague linkage when
8545         HAVE_GAS_COMDAT_GROUP is true.
8546
8547 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
8548
8549         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
8550         nlabel == JUMP_LABEL (jump).
8551
8552 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8553
8554         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
8555         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
8556         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
8557         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
8558
8559 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
8560
8561         PR c/14411
8562         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
8563         * c-common.c (handle_returns_twice): New function.
8564         (c_common_attribute_table): Declare eturns_twice' attribute.
8565         * doc/extend.texi: Document eturns_twice' attribute.
8566         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
8567         (struct tree_decl): Add returns_twice_flag.
8568
8569 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8570
8571         * tree-ssa-phiopt.c: Fix a comment typo.
8572
8573         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
8574         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
8575         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
8576         copyright.
8577
8578 2005-03-08  Richard Henderson  <rth@redhat.com>
8579
8580         * config/alpha/alpha.c (code_for_builtin): Replace special-case
8581         builtin codes with ctzdi2, clzdi2, popcountdi2.
8582         (struct alpha_builtin_def): Add is_const.
8583         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
8584         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
8585         (alpha_init_builtins): Init them.  Set nothrow and const attributes
8586         on builtins.
8587         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
8588         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
8589         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
8590         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
8591         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
8592         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
8593         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
8594         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
8595         (TARGET_FOLD_BUILTIN): New.
8596         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
8597         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
8598         (ffsdi2): Use ctz.
8599         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
8600
8601 2005-03-08  Ira Rosen  <irar@il.ibm.com>
8602
8603         PR tree-optimization/20122
8604         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
8605         condition of access function instead of base.
8606
8607 2005-03-07  Jeff Law  <law@redhat.com>
8608             Steven Bosscher  <stevenb@suse.de>
8609
8610         * tree-cfg.c (find_taken_edge_computed_goto): New function.
8611         (find_taken_edge): Call find_taken_edge_computed_goto as
8612         appropriate.  Allow any gimple invariant rather than just
8613         INTEGER_CST for VAL.
8614         (cleanup_control_flow): Cleanup a computed goto which has turned
8615         into a simple goto.
8616         (tree_merge_blocks): If block B has any forced labels, move
8617         them to the start of block A.
8618         * tree-ssa-dom.c (thread_across_edge): Allow threading across
8619         computed gotos as well.
8620         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
8621         removal of unnecessary computed gotos too.
8622         (lookup_redirection_data): Fix type of INSERT argument.  Callers
8623         updated.
8624
8625 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
8626
8627         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
8628         Remove trailing spaces.
8629
8630         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
8631         unshare_all_trees): Make them static.
8632         * tree-gimple.h: Remove the corresponding prototypes.
8633
8634         * diagnostic.h: Remove unused prototype
8635         debug_output_buffer.
8636         * modulo-sched.c: Remove unused prototype
8637         set_row_column_for_ps.
8638
8639         * tree-ssa-phiopt.c (tree_ssa_phiopt,
8640         replace_phi_edge_with_variable): Remove unused variable i.
8641
8642 2005-03-07  Per Bothner  <per@bothner.com>
8643
8644         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
8645
8646 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
8647
8648         PR tree-opt/17671
8649         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
8650         bbs on the COND_EXPR instead of the PHI_NODEs.
8651         (candidate_bb_for_phi_optimization): Remove.
8652         (replace_phi_with_stmt): Rename to ...
8653         (replace_phi_edge_with_variable): this and change so that we
8654         replace the phi argument instead of removing the PHI.
8655         (conditional_replacement): Change so we deal with PHI with more
8656         than two arguments.
8657         (value_replacement): Likewise.
8658         (abs_replacement): Likewise.
8659
8660 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
8661
8662         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
8663         output_e500_flip_gt_bit.
8664
8665         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
8666         as bit 31.
8667         (rs6000_generate_compare): Fix logic to look at the correct bits.
8668         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
8669         Look at GT bit.
8670         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
8671         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
8672         gen_move_from_CR_gt_bit.
8673
8674         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
8675         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
8676         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
8677
8678         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
8679         (E500_CR_IOR_COMPARE): New constant.
8680
8681 2005-03-08  Earl Chew <earl_chew@agilent.com>
8682             David Billinghurst <David.Billinghurst@riotinto.com>
8683
8684         * config/i386/host-cygwin.c: New file to support precompiled
8685         headers on cygwin
8686         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
8687         * config.host: Use above files for cygwin host.
8688
8689 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
8690
8691         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
8692         ordering ops from earlier change.
8693
8694 2005-03-07  Per Bothner  <per@bothner.com>
8695
8696         Various fixes to allow us to again build if --enable-mapped-location:
8697         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
8698         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
8699         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
8700         local variable loc. Change logic appropriately.
8701         * tree-vect-transform.c (vect_finish_stmt_generation): Use
8702         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
8703         * c-parser.c (c_parser_for_statement): Initialize loc variable.
8704         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
8705         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
8706
8707 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
8708
8709         PR rtl-optimization/19683
8710         * reload1.c (choose_reload_regs): Pass the number of bits, not the
8711         number of bytes, to smallest_int_for_mode.  Fix arguments to
8712         REG_CANNOT_CHANGE_MODE_P.
8713
8714 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8715
8716         * reorg.c (relax_delay_slots): Check that the jump is
8717         conditional before trying to invert it.
8718
8719 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
8720
8721         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
8722         Make them static.
8723
8724         * calls (stack_arg_under_construction): Make it static.
8725
8726         * flow.c (regs_live_at_setjmp): Make it static.
8727         * flow.h: Remove the corresponding prototype.
8728
8729         * reload1.c (reload_startobj, reload_firstobj,
8730         something_needs_operands_changed, reload_inherited,
8731         reload_inheritance_insn, reload_override_in,
8732         reload_spill_index): Make them static.
8733
8734         * recog.c (verify_changes): Make it static.
8735         * recog.h: Remove the corresponding prototype.
8736
8737         * cfgbuild.c (find_sub_basic_blocks): Remove.
8738         * basic-block.h: Remove the corresponding prototype.
8739         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
8740         in comments.
8741         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
8742
8743         * tree-ssa-operands.c (check_build_stmt): Remove.
8744
8745         * stor-layout.c (set_alignment): Remove.
8746         * tree.h: Remove the corresponding prototype.
8747
8748         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
8749
8750         * tree-ssa-dce.c (control_dependence_map,
8751         visited_control_parents): Make them static.
8752
8753         * cfghooks.c (verify_flow_info): Remove local variable
8754         num_bb_notes.
8755
8756         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
8757         last_bb_seen.
8758
8759         * loop-unswitch.c (unswitch_loop): Remove local variable src.
8760
8761 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
8762
8763         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
8764
8765 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
8766
8767         * config/ia64/hpux.h (LINK_SPEC): Add -z.
8768         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
8769         PARALLEL for an empty structure.
8770
8771 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
8772
8773         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
8774
8775         * fold-const.c (fold_binary): Unroll the very first "for"
8776         loop.
8777
8778 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
8779
8780         * config/rs6000/predicates.md (branch_comparison_operator): Remove
8781         redundant match_code test.
8782         (scc_comparison_operator): Swap match_operand and match_code
8783         tests.
8784         (branch_positive_comparison_operator): Same.
8785         (trap_comparison_operator): Use comparison_operator and swap with
8786         match_code test.
8787
8788 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8789
8790         PR target/20288
8791         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
8792         (out_movhi_r_mr): Read low byte of volatile MEM first.
8793         (out_movhi_mr_r): Write high byte of volatile MEM first.
8794
8795 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8796
8797         * cselib.c (reg_values, reg_values_size): Make them static.
8798
8799         * cse.c (cse_reg_info_table): Make it static.
8800
8801         * fold-const.c (fold_unary): Use build1 instead of copy_node.
8802
8803 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
8804
8805         * cse.c (find_best_addr): Use canon_for_address.
8806
8807 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8808
8809         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
8810         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
8811         SUBREG and MEM, respectively.
8812
8813         * fold-const.c (fold_binary): Use code instead of t.
8814
8815         * fold-const.c (optimize_minmax_comparison): Take decomposed
8816         arguments code, type, op0, and op1 instead of t.
8817         (fold_binary): Update a call to optimize_minmax_comparison.
8818
8819         * fold-const.c (fold_range_test): Take decomposed arguments
8820         code, type, op0, and op1 instead of t.
8821         (fold_binary): Update a call to fold_range_test.
8822
8823         * fold-const.c (fold_binary_op_with_conditional_arg): Take
8824         decomposed arguments code, type, op0, and op1 instead of t.
8825         (fold_binary): Update a call to fold_range_test.
8826
8827 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8828
8829         * fold-const.c (fold_binary): Avoid directly using the original
8830         expression t as much as possible.
8831
8832 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8833
8834         * c-semantics.c (build_stmt): Use TYPE_P instead of
8835         IS_NON_TYPE_CODE_CLASS.
8836         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
8837         (NON_TYPE_CHECK): Use TYPE_P instead of
8838         IS_NON_TYPE_CODE_CLASS.
8839
8840         * fold-const.c (fold): Remove handling of binary expressions.
8841
8842 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
8843
8844         * doc/c-tree.texi: Wrap comments in @r{}.
8845         * doc/cpp.texi: Likewise.
8846         * doc/cppinternals.texi: Likewise.
8847         * doc/extend.texi: Likewise.
8848         * doc/md.texi: Likewise.
8849         * doc/objc.texi: Likewise.
8850         * doc/sourcebuild.texi: Likewise.
8851         * doc/tm.texi: Likewise.
8852         * doc/tree-ssa.texi
8853
8854 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8855
8856         * predict.c (apply_return_prediction): Standardize PHI chain
8857         walking.
8858         * tree-ssa.c (ssa_redirect_edge): Likewise.
8859
8860         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
8861         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
8862         Update copyright.
8863
8864         * tree-phinodes.c (remove_phi_node): Drop the last argument.
8865         * tree-flow.h: Adjust the prototype for remove_phi_node.
8866         * lambda-code.c (perfect_nestify): Adjust a call to
8867         remove_phi_node.
8868         * tree-cfg.c
8869         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
8870         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
8871         Likewise.
8872         * tree-ssa-dce.c (remove_dead_phis): Likewise.
8873         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8874         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8875         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
8876
8877         * combine.c (simplify_and_const_int): Use gen_int_mode instead
8878         of GEN_INT (trunc_int_for_mode (...)).
8879         * loop-iv.c (iv_number_of_iterations): Likewise.
8880         * postreload.c (reload_cse_move2add): Likewise.
8881         * simplify-rtx.c (simplify_const_unary_operation,
8882         simplify_const_binary_operation): Likewise.
8883         * stor-layout.c (get_mode_bounds): Likewise.
8884
8885         * fold-const.c (fold_binary): New.
8886         (fold): Call fold_binary on binary expressions.
8887
8888 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
8889
8890         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
8891         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
8892         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
8893         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
8894         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
8895
8896 2005-03-04  Devang Patel  <dpatel@apple.com>
8897
8898         PR tree-optimization/18815
8899         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8900         loops with zero exit edges.
8901
8902 2005-03-04  Devang Patel  <dpatel@apple.com>
8903
8904         * doc/invoke.texi: Remove reference to webpage that does not exist.
8905
8906 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
8907             Joseph S. Myers  <joseph@codesourcery.com>
8908
8909         PR c++/19797
8910         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
8911         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
8912         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
8913         * pa.c (get_plabel): Change argument to symbol_ref.  Call
8914         maybe_get_identifier instead of get_identifier.
8915         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
8916         (struct deferred_plabel): Replace name field with symbol field.
8917         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
8918         ASM_OUTPUT_EXTERNAL_REAL is defined.
8919         (output_global_address): Use output_addr_const for output of all
8920         symbol_refs.
8921         (output_deferred_plabels): Use symbol_ref instead of name for address
8922         output.
8923         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
8924         ASM_OUTPUT_SYMBOL_REF): New macros.
8925         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
8926         comment.
8927         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
8928         label.
8929
8930 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
8931
8932         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
8933         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
8934
8935 2005-03-04  Jeff Law  <law@redhat.com>
8936
8937         * basic-block.h (rediscover_loops_after_threading): Declare.
8938         * tree-ssa-dom.c: Include cfgloop.h.
8939         (tree_ssa_dominator_optimize): Discover loops and some basic
8940         properties.  Remove forwarder blocks recreated by loop header
8941         canonicalization.  Also mark backedges in the CFG.
8942         * tree-ssa-threadupdate.c: Include cfgloop.h
8943         (rediscover_loops_after_threading): Define.
8944         (struct local_info): New field, JUMP_THREADED.
8945         (prune_undesirable_thread_requests): New function.
8946         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
8947         then record that fact for the callers of redirct_edges.
8948         (thread_block): If BB has incoming backedges, then call
8949         prune_undesirable_thraed_requests.    Note when we are
8950         going to have to rediscover loop information.  Return a
8951         boolean indicating if any jumps were threaded.
8952         (thread_through_all_blocks): Bubble up boolean indicating
8953         if any jumps were threaded.
8954         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
8955         (tree-ssa-threadupdate.o): Similarly.
8956
8957 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8958
8959         * fold-const.c (fold_ternary): Unroll the "for" loop to
8960         extract operands.
8961
8962 2005-03-04  Andrew Haley  <aph@redhat.com>
8963
8964         * unwind-dw2-fde-glibc.c (struct
8965         unw_eh_callback_data.check_cache): New field.
8966         (frame_hdr_cache): New.
8967         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
8968         Cache frame header info.
8969
8970 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
8971
8972         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
8973         (print_c_condition): Declare.
8974         * read-rtl.c (ptr_loc): New structure.
8975         (ptr_locs, ptr_loc_obstack, joined_conditions)
8976         (joined_conditions_obstack): New variables.
8977         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
8978         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
8979         (join_c_conditions, print_c_condition): New functions.
8980         (apply_macro_to_string): Associate the new string with the same
8981         source location as the old one.
8982         (add_condition_to_string): Use join_c_conditions.
8983         (read_string): Use set_rtx_ptr_loc to record a filename and line
8984         number for the string.
8985         (read_rtx): Initialize the new variables above.
8986         * genattrtab.c (write_test_expr, write_attr_value): Use
8987         print_c_condition.
8988         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
8989         comment above the GCC_VERSION check.
8990         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
8991         Inline the definition of MAYBE_EVAL.
8992         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
8993         * genoutput.c (process_template): Likewise.
8994         * genpreds.c (write_predicate_subfunction): Likewise.
8995         (write_predicate_expr): Use print_c_condition.
8996         * genrecog.c (write_cond): Likewise.
8997         * gensupport.c (process_rtx): Use join_c_conditions to join the
8998         conditions of a define_insn_and_split.  Record a source location
8999         for the string after the "&&".
9000         (alter_test_for_insn): Use join_c_conditions.
9001
9002 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
9003
9004         Revert for now:
9005         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9006         PR tree-optimization/15784
9007         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9008         and -1 - A to ~A.
9009
9010 2005-03-04  Ben Elliston  <bje@au.ibm.com>
9011
9012         * gcc.c (option_map): Add --coverage.
9013         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
9014         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
9015         * config/darwin.h: Pass -lgcov for `coverage'.
9016         * doc/invoke.texi (Debugging Options): Document --coverage.
9017
9018 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9019
9020         * gcse.c (bypass_block): Use find_edge wherever possible.
9021
9022 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9023
9024         Fix PR debug/20253
9025
9026         * c-opts.c (c_common_parse_file): Call start_source_file
9027         and end_source_file at the approriate times.
9028
9029         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9030         the main file, it will be done for us now.
9031
9032 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9033
9034         * fold-const.c (fold_ternary): New.
9035         (fold): Call fold_ternary on ternary expressions.  Remove
9036         handling of ternary expressions.
9037
9038 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9039
9040         PR tree-optimization/15784
9041         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9042         and -1 - A to ~A.
9043
9044 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9045
9046         * config/rs6000/predicates.md (branch_comparison_operator):
9047         Convert from C block to conditional format.
9048
9049 2005-03-03  Jan Hubicka  <jh@suse.cz>
9050
9051         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9052         and non-constant public variables.
9053
9054 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9055
9056         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9057         with LABEL_EXPR.
9058
9059         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9060         EDGE_I.
9061
9062         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9063         calls to release_ssa_name and release_phi_node.
9064
9065         * fold-const.c (fold): Remove handling of unary expressions.
9066
9067         * fold-const.c (fold_unary): Avoid directly using the original
9068         expression t as much as possible.
9069
9070 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9071             Andrew Pinski  <pinskia@physics.uc.edu>
9072
9073         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
9074         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
9075
9076 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
9077
9078         Describe special registers SRP and MOF as allocatable registers.
9079         * config/cris/cris.c (cris_md_asm_clobbers): New function.
9080         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
9081         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
9082         TARGET_HAS_MUL_INSNS.
9083         (cris_print_operand) <case 'd'>: New case.
9084         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
9085         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
9086         define.
9087         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
9088         (REG_ALLOC_ORDER): Update for MOF.
9089         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
9090         SPECIAL_REGS.
9091         (GENERAL_REGS): No longer a define of ALL_REGS.
9092         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
9093         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9094         Adjust accordingly.
9095         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
9096         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
9097         (SECONDARY_RELOAD_CLASS): Define.
9098         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
9099         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
9100         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
9101         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
9102         (REGISTER_MOVE_COST): Define.
9103         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
9104         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
9105         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
9106         (CRIS_MOF_REGNUM): New define_constants.
9107         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
9108         special registers.
9109         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
9110         New patterns.
9111         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
9112         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
9113         Adjust for MOF being properly described as a register.
9114         (indir_to_reg_split): Name this split.  Conditionalize on the
9115         destination register being a general register.
9116         (movei): Conditionalize on on operands 0 and 1 having the same
9117         register class.
9118
9119 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
9120
9121         PR target/20277
9122         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
9123         -mcpu to override any other explicitly given flags.
9124
9125 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
9126
9127         * recog.c (verify_changes, confirm_change_group): New functions,
9128         broken out of apply_change_group.
9129         (apply_change_group): Use them.
9130         * recog.h (verify_change, confirm_change_group): Declare.
9131         * rtl.h (redirect_jump_2): Declare.
9132         * jump.c (redirect_exp, invert_exp): Delete.
9133         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
9134         (redirect_jump_2): New function, broken out of redirect_jump.
9135         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
9136         (invert_jump): Use invert_jump_1 and redirect_jump_2.
9137         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
9138
9139 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
9140
9141         * varasm.c (named_section): Use xstrdup rather than doing it by
9142         hand.
9143
9144         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
9145
9146 2005-03-02  Devang Patel  <dpatel@apple.com>
9147
9148         Undo PR tree-optimization/18815 fix.
9149
9150 2005-03-02  Devang Patel  <dpatel@apple.com>
9151
9152         PR tree-optimization/18815
9153         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9154         loops with zero exit edges.
9155
9156 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9157
9158         * cfg.c (connect_src, connect_dest, disconnect_src,
9159         disconnct_dest): New.
9160         (unchecked_make_edge, remove_edge, redirect_edge_succ,
9161         redirect_edge_pred): Use the new functions.
9162
9163         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
9164         free_dominance_info only when needed.
9165
9166 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
9167
9168         PR target/20276
9169         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
9170         (reg_or_sub_cint64_operand): Same.
9171
9172 2005-03-02  Jeff Law  <law@redhat.com>
9173
9174         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
9175         CFG_ALTERED in the main DOM iteration loop.
9176
9177 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
9178
9179         PR c++/19916
9180         * varasm.c (initializer_constant_valid_p): Allow conversions
9181         between OFFSET_TYPEs.  Tidy.
9182
9183 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
9184
9185         * config/cris/cris.md ("return"): Remove epilogue delay list
9186         sanity check.
9187
9188 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
9189
9190         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
9191         for Thumb.
9192         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
9193
9194 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9195
9196         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
9197         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
9198         config/m68k/m68k.c, config/mips/mips.h,
9199         config/rs6000/rs6000-protos.h, doc/contrib.texi,
9200         doc/include/gcc-common.texi: Update copyright.
9201
9202         PR middle-end/18029 and PR middle-end/18030
9203         * expr.c (optimize_bitfield_assignment_op): Add a special case
9204         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
9205
9206         * fold-const.c (fold_unary): New.
9207         (fold): Call fold_unary on unary expressions.
9208
9209 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
9210
9211         * cgraph.h (struct cgraph_edge): Add prev_caller and
9212         prev_callee fields.
9213         (cgraph_node_remove_callees): Export.
9214         * cgraph.c (cgraph_create_edge): Initialize prev_caller
9215         and prev_callee.
9216         (cgraph_edge_remove_callee): New function.
9217         (cgraph_edge_remove_caller): Likewise.
9218         (cgraph_remove_edge): Use.
9219         (cgraph_redirect_edge_callee): Likewise.
9220         (cgraph_node_remove_callees): New function.
9221         (cgraph_node_remove_callers): Likewise.
9222         (cgraph_remove_node): Use.
9223         * tree-optimize.c (tree_rest_of_compilation): Use
9224         cgraph_node_remove_callees instead of manual loop.
9225         * cgraphunit.c (cgraph_finalize_function): Likewise.
9226         (cgraph_expand_function): Likewise.
9227         (cgraph_remove_unreachable_nodes): Likewise.
9228
9229 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
9230
9231         PR c/8927
9232         * c-tree.h (undeclared_variable, build_external_ref): Add extra
9233         argument.
9234         * c-decl.c (undeclared_variable): Take location as argument.
9235         * c-typeck.c (build_external_ref): Likewise.
9236         * c-parser.c (c_parser_postfix_expression): Pass location of
9237         identifier to build_external_ref.
9238
9239 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9240
9241         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
9242         CCEQ mode for branch_positive_comparison_operator test.
9243         * config/rs6000/predicates (branch_comparison_operator): Revert to
9244         define_predicate.
9245         (scc_comparison_operator): Same.
9246         (branch_positive_comparison_operator): Same.
9247
9248 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
9249
9250         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
9251         (cris_delay_slots_for_epilogue): Remove.
9252         (save_last): Move into cris_target_asm_function_epilogue.
9253         (cris_target_asm_function_epilogue): Remove tests for file being
9254         NULL.
9255         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
9256         (cris_delay_slots_for_epilogue): Remove prototypes.
9257         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
9258         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
9259
9260 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9261
9262         * config/rs6000/predicates.md (branch_comparison_operator): Change
9263         to define_special_predicate.
9264         (scc_comparison_operator): Same.
9265         (branch_positive_comparison_operator): Same.
9266
9267 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
9268
9269         * Makefile.in (tree-ssa-sink.o): New.
9270         (OBJS-common): Add tree-ssa-sink.o.
9271         * common.opt: Add -ftree-sink
9272         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
9273         * timevar.def (TV_TREE_SINK): new timevar.
9274         * tree-flow.h (is_hidden_global_store): Prototype.
9275         * tree-optimize.c (init_tree_optimization_passes): Add
9276         pass_sink_code.
9277         * tree-pass.h (pass_sink_code): New.
9278         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
9279         for non-obvious global store store to is_hidden_global_store, and
9280         call that new function.
9281         * tree-ssa-sink.c: New file.
9282         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
9283         * doc/passes.texi: Document forward store motion.
9284         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
9285         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
9286         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
9287         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
9288
9289 2005-03-01  Per Bothner  <per@bothner.com>
9290
9291         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
9292         and we have a non-zero column-number, add it to the message.
9293         Also factor out the diagnostic_kind_text.
9294
9295 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
9296
9297         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
9298         flow_loop_pre_header_scan, flow_loop_pre_header_find,
9299         flow_loop_scan): Removed.
9300         (flow_loop_dump): Do not dump removed fields.
9301         (flow_loop_free): Do not free removed fields.
9302         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
9303         (loop_exit_edge_p): New function.
9304         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
9305         num_pre_header_edges, entry_edges, num_entries, exit_edges,
9306         num_exits, exits_doms.
9307         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
9308         LOOP_EDGES, LOOP_ALL): Removed.
9309         (flow_loop_scan): Declaration removed.
9310         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
9311         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
9312         flow_loops_find.
9313         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
9314         (if_convert): Call flow_loops_find and flow_loops_free
9315         when calling mark_loop_exit_edges.
9316         * cfgloopanal.c (mark_loop_exit_edges): Moved from
9317         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
9318         free_dominance_info calls.
9319         * loop-init.c (flow_loops_find): Ditto.
9320         * passes.c (rest_of_handle_branch_prob): Ditto.
9321         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
9322         * loop-unroll.c (analyze_insns_in_loop): Do not use
9323         EDGE_LOOP_EXIT.
9324         * predict.c (predict_loops): Do not call flow_loop_scan.
9325         Use get_loop_exit_edges.
9326         (tree_estimate_probability): Do not pass flags to flow_loops_find.
9327         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
9328         Do not use EDGE_LOOP_EXIT.
9329         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
9330         to bb_with_exit_edge_p.
9331         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
9332         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
9333         to bb_with_exit_edge_p.
9334         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
9335         EDGE_LOOP_EXIT.
9336         * tree-loop-linear.c (linear_transform_loops): Do not call
9337         flow_loop_scan.  Use loop->single_exit.
9338         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
9339         (vect_analyze_loop_form): Do not call flow_loop_scan.
9340         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
9341         loop->single_exit.
9342         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
9343         loop->single_exit.
9344         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
9345         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9346         slpeel_tree_duplicate_loop_to_edge_cfg,
9347         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
9348         Use loop_preheader_edge and loop->single_exit.  Do not call
9349         flow_loop_scan.
9350
9351 2005-03-01  Nick Clifton  <nickc@redhat.com>
9352
9353         * config/arm/arm.c (thumb_find_work_register): Check all of the
9354         argument registers to see if they are free, and a couple of
9355         special cases where the last argument register but can be proved
9356         to be available during the function's prologue.
9357         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
9358         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
9359         thumb_unexpanded_epilogue): Use unsigned long as the type for the
9360         register bit-mask.
9361         (thumb_compute_save_reg_mask): Likewise.  Also use
9362         thumb_find_work_register() to ensure that there is agreement about
9363         which work register is going to be used in the prologue.
9364         (thumb_output_function_prologue): Use unsigned long as the type
9365         for the register bit-mask.  Also delay pushing the link register if
9366         other high registers are going to be pushed.
9367         (thumb_compute_save_reg_mask, emit_multi_reg_push,
9368         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
9369         redundant prototypes.
9370
9371 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
9372
9373         PR target/19819
9374         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
9375         and after reload in REG+REG indexed addresses without REG_POINTER
9376         set in the base and not set in the index.
9377
9378 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9379
9380         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
9381         Don't undefine here.
9382         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
9383         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
9384         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9385         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
9386         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
9387         Delete.
9388         * config.gcc (sh*-*-linux*): Use config/linux.h.
9389
9390 2005-02-28  Dale Johannesen  <dalej@apple.com>
9391             Stan Shebs  <shebs@apple.com>
9392
9393         Rewrite of 64-bit Darwin structure-by-value pass/return.
9394         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
9395         intoffset, use_stack, named.
9396         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
9397         (rs6000_darwin64_record_arg_advance_flush):  New.
9398         (rs6000_darwin64_record_arg_advance_recurse): New.
9399         (rs6000_darwin64_record_arg_flush):  New.
9400         (rs6000_darwin64_record_arg_recurse):  New.
9401         (rs6000_darwin64_record_arg):  New.
9402         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
9403         (function_arg_boundary):  Handle 128-bit aligned structs.
9404         (function_arg_advance):  Rewrite darwin64 struct handling.
9405         (function_arg):  Call rs6000_darwin64_record_arg.
9406         (function_arg_partial_nregs):  Handle darwin64 structs.
9407         (rs6000_darwin64_function_value):  Remove.
9408         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
9409
9410 2005-02-28  Roger Sayle  <roger@eyesopen.com>
9411
9412         PR tree-optimization/20216
9413         * tree-chrec.c (tree_fold_factorial): Delete.
9414         (tree_fold_binomial): Change argument list to take a return type
9415         and change the type of K to unsigned int.  Rewrite to avoid explicit
9416         evaluation of factorials, and (recursively) calling fold to perform
9417         compile-time arithmetic.  Return NULL on (internal) overflow.
9418         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
9419         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
9420         if any intermediate calculation overflows.
9421         (chrec_apply): Update call to chrec_evaluate.
9422
9423 2005-02-28  James E Wilson  <wilson@specifixinc.com>
9424
9425         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
9426
9427 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
9428
9429         PR c/20245
9430         * c-parser.c (c_parser_compound_statement): Return error_mark_node
9431         instead of NULL_TREE on error.
9432
9433 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
9434
9435         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
9436         (EASY_VECTOR_15_ADD_SELF): Remove.
9437         (num_insns_constant_wide): Not static.
9438         (validate_condition_mode): Not static.
9439         (toc_relative_expr_p): Not static.
9440         (legitimate_indirect_address_p): Not static.
9441         (macho_lo_sum_memory_operand): Not static.
9442         (invalid_e500_subreg): Not static.
9443         (easy_vector_same): Not static.
9444         (easy_vector_splat_const): Not static.
9445         (RS6000_SYMBOL_REF_TLS_P): Remove.
9446         (any_operand): Delete.
9447         (any_parallel_operand): Delete.
9448         (count_register_operand): Delete.
9449         (altivec_register_operand): Delete.
9450         (xer_operand): Delete.
9451         (s8bit_cint_operand): Delete.
9452         (short_cint_operand): Delete.
9453         (u_short_cint_operand): Delete.
9454         (non_short_cint_operand): Delete.
9455         (exact_log2_cint_operand): Delete.
9456         (gpc_reg_operand): Delete.
9457         (cc_reg_operand): Delete.
9458         (cc_reg_not_cr0_operand): Delete.
9459         (reg_or_short_operand): Delete.
9460         (reg_or_neg_short_operand): Delete.
9461         (reg_or_aligned_short_operand): Delete.
9462         (reg_or_u_short_operand): Delete.
9463         (reg_or_cint_operand): Delete.
9464         (reg_or_arith_cint_operand): Delete.
9465         (reg_or_add_cint64_operand): Delete.
9466         (reg_or_sub_cint64_operand): Delete.
9467         (reg_or_logical_cint_operand): Delete.
9468         (got_operand): Delete.
9469         (got_no_const_operand): Delete.
9470         (easy_fp_constant): Delete.
9471         (easy_vector_constant): Delete.
9472         (easy_vector_constant_add_self): Delete.
9473         (zero_constant): Delete.
9474         (zero_fp_constant): Delete.
9475         (volatile_mem_operand): Delete.
9476         (offsettable_mem_operand): Delete.
9477         (mem_or_easy_const_operand): Delete.
9478         (add_operand): Delete.
9479         (non_add_cint_operand): Delete.
9480         (logical_operand): Delete.
9481         (non_logical_cint_operand): Delete.
9482         (mask_operand): Delete.
9483         (mask_operand_wrap): Delete.
9484         (mask64_operand): Delete.
9485         (mask64_2_operand): Delete.
9486         (and64_operand): Delete.
9487         (and64_2_operand): Delete.
9488         (and_operand): Delete.
9489         (reg_or_mem_operand): Delete.
9490         (lwa_operand): Delete.
9491         (symbol_ref_operand): Delete.
9492         (call_operand): Delete.
9493         (current_file_function_operand): Delete.
9494         (input_operand): Delete.
9495         (rs6000_nonimmediate_operand): Delete.
9496         (rs6000_tls_symbol_ref): Delete.
9497         (save_world_operation): Delete.
9498         (restore_world_operation): Delete.
9499         (load_multiple_operation): Delete.
9500         (store_multiple_operation): Delete.
9501         (vrsave_operation): Delete.
9502         (mfcr_operation): Delete.
9503         (mtcrf_operation): Delete.
9504         (lmw_operation): Delete.
9505         (stmw_operation): Delete.
9506         (branch_comparison_operator): Delete.
9507         (branch_positive_comparison_operator): Delete.
9508         (scc_comparison_operator): Delete.
9509         (trap_comparison_operator): Delete.
9510         (boolean_operator): Delete.
9511         (boolean_or_operator): Delete.
9512         (min_max_operator): Delete.
9513         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
9514         (EASY_VECTOR_15): Moved to here.
9515         (EASY_VECTOR_15_ADD_SELF): Move to here.
9516         (PREDICATE_CODES): Delete.
9517         * config/rs6000/rs6000-protos.h: Delete predicate functions.
9518         Declare functions no longer static.
9519         * config/rs6000/predicates.md: New.
9520         * config/rs6000/rs6000.md: Include predicates.md
9521
9522 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
9523
9524         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
9525         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
9526         REG_ALWAYS_RETURN.
9527         * cfgrtl.c (need_fake_edge_p): Likewise.
9528         * combine.c (distribute_notes): Likewise.
9529         * emit-rtl.c (try_split): Likewise.
9530         * recog.c (peephole2_opimize): Likewise.
9531         * reg-notes.def (ALWAYS_RETURN): Remove.
9532         * rtl.h (LCT_ALWAYS_RETURN): Remove.
9533         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
9534         * tree.h (ECF_ALWAYS_RETURN): Remove.
9535
9536 2005-02-28  Roger Sayle  <roger@eyesopen.com>
9537
9538         PR middle-end/19874
9539         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
9540         between different machine modes is never a "useless" conversion.
9541
9542 2005-02-28  Geert Bosch  <bosch@gnat.com>
9543
9544         PR ada/15977
9545         * doc/contrib.texi: List contributors for Ada front end
9546
9547 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
9548
9549         * simplify-rtx.c (simplify_unary_operation_1,
9550         simplify_const_unary_operation): New, extracted from...
9551         (simplify_unary_operation): ... this one.
9552         (simplify_binary_operation_1,
9553         simplify_const_binary_operation): New, extracted from...
9554         (simplify_binary_operation): ... this one.
9555         * rtl.h (simplify_const_unary_operation,
9556         simplify_const_binary_operation): Add prototypes.
9557
9558 2005-02-28  Julian Brown  <julian@codesourcery.com>
9559
9560         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
9561         building libjava and caused PR regression/20228.
9562
9563 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
9564
9565         PR bootstrap/17383
9566         * Makefile.in (host_subdir): New.
9567         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
9568         * configure: Regenerate.
9569
9570 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
9571
9572         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
9573         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
9574         installation directory first.
9575
9576 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
9577
9578         PR target/19065.
9579         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
9580         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
9581         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
9582         * config/cris/cris.md: Tweak comments referring to Q.
9583         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
9584         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
9585         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
9586         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
9587         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
9588         Insert spaces in constraints to align alternatives vertically for
9589         readability.
9590         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
9591         operand 1: "M".
9592
9593 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9594
9595         PR rtl-optimization/17728
9596         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
9597         operand 0 from general_operand to move_dest_operand.
9598
9599 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9600
9601         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
9602         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
9603         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
9604         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
9605
9606 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
9607
9608         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
9609         * configure: Regenerate.
9610         * libada-mk.in: Remove CC; rename
9611         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
9612
9613 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
9614
9615         PR tree-opt/20188
9616         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
9617         for the lhs, also walk over the tree.  Likewise for rhs.
9618
9619 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
9620
9621         * tree-ssa-dom.c (simple_iv_increment_p): New function.
9622         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
9623         Do not propagate value of iv before increment over the increment.
9624
9625 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
9626
9627         * c-parser.c: New file.
9628         * c-parse.in: Remove.
9629         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
9630         Remove.
9631         (c-parser.o): Add dependencies.
9632         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
9633         maintainer-clean, TAGS): Update.
9634         * c-config-lang.in (gtfiles): Update.
9635         * gengtype-lex.l: Don't handle "@@".
9636         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
9637         objc_build_synchronized, objc_begin_try_stmt,
9638         objc_begin_catch_clause, objc_finish_catch_clause,
9639         objc_build_finally_clause, objc_finish_try_stmt): New.
9640         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
9641         type_seen_p.
9642         (c_parse_init): Update comment.
9643         * c-decl.c (c_init_decl_processing): Update comment.
9644         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
9645         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
9646         new c_declspecs members.
9647
9648 2005-02-25  Julian Brown  <julian@codesourcery.com>
9649
9650         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9651         from being used for symbols with vague linkage when
9652         HAVE_GAS_COMDAT_GROUP is true.
9653
9654 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
9655
9656         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
9657
9658 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
9659
9660         PR target/19930
9661         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
9662         (LIBGCC2_HAS_DF_MODE): New.
9663         (LIBGCC2_HAS_XF_MODE): New.
9664         (LIBGCC2_HAS_TF_MODE): New.
9665         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
9666         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
9667         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
9668         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
9669         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
9670         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
9671         and add _fixtfdi, _fixunstfdi, _floatditf
9672         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
9673         L_fixunstfdi, L_floatditf.
9674         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
9675         (LIBGCC2_HAS_TF_MODE): Define.
9676
9677 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
9678
9679         PR tree-optimization/20204
9680         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
9681         REWRITE_THIS_STMT markers on PHI nodes.
9682         (rewrite_initialize_block): Likewise.
9683
9684 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
9685
9686         * version.c (version_string): Update to 4.1.
9687
9688 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
9689
9690         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
9691         Clarify that the alternative way doesn't work in GNU C++.
9692
9693 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
9694
9695         PR tree-optimization/19937
9696         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
9697         to the type of the induction variable.
9698
9699 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9700
9701         PR rtl-optimization/20117
9702         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
9703         the block including noncopyable insn.
9704
9705 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
9706
9707         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
9708         calls to find_reg_note.
9709
9710 2005-02-24  Richard Henderson  <rth@redhat.com>
9711
9712         PR tree-opt/20127
9713         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
9714         the type.
9715
9716 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
9717
9718         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
9719         vector types if to use base reg for misaligned non-word ld/std.
9720
9721 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
9722
9723         PR target/14619
9724         * config/cris/cris.c (cris_target_asm_function_prologue): Create
9725         dwarf2 label manually and put it after, not before the prologue.
9726
9727 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
9728
9729         PR target/19019
9730         * reload.c (operands_match_p): Only increment register number for
9731         SCALAR_INT_MODE_P modes in multiple hard registers.
9732
9733         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
9734         Fix formatting.
9735
9736 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9737
9738         * ChangeLog.5: Fix log message typo(s).
9739         * ChangeLog.7: Likewise.
9740         * ChangeLog.tree-ssa: Likewise.
9741         * cfgexpand.c: Fix comment typo(s).
9742         * conflict.c: Likewise.
9743         * defaults.h: Likewise.
9744         * dwarf2out.c: Likewise.
9745         * gcse.c: Likewise.
9746         * ggc-page.c: Likewise.
9747         * tree-eh.c: Likewise.
9748         * tree-ssa-dom.c: Likewise.
9749
9750 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
9751
9752         PR target/19019
9753         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
9754         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
9755         if SHARED is defined.
9756
9757         PR target/20196
9758         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
9759         allow splitting only if operands 0 and 3 don't overlap.
9760
9761 2005-02-24  Richard Henderson  <rth@redhat.com>
9762
9763         PR middle-end/19953
9764         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
9765         (fold_builtin_1): Call them.
9766         * fold-const.c (fold_complex_mult_parts): Split out from ...
9767         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
9768         (fold_complex_div_parts, fold_complex_div): New.
9769         (fold): Use them.
9770         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
9771
9772 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9773
9774         * tree-ssa-ccp.c (visit_assignment): Verify that result of
9775         VIEW_CONVERT_EXPR is_gimple_min_invariant.
9776
9777         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
9778         (print_node): Likewise.
9779         Print TYPE_SIZES_GIMPLIFIED.
9780
9781 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
9782
9783         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
9784         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
9785         operands as commutative in constraints.
9786
9787 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
9788
9789         * tree-into-ssa.c: Re-organize internal functions.
9790
9791 2005-02-24  Richard Henderson  <rth@redhat.com>
9792
9793         PR middle-end/18902
9794         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
9795         for c99.
9796         * common.opt (fcx-limited-range): New.
9797         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
9798         * toplev.c (flag_complex_method): Initialize to 1.
9799         (process_options): Set flag_complex_method to 0 if
9800         flag_cx_limited_range.
9801         * doc/invoke.texi (-fcx-limited-range): New.
9802
9803 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
9804
9805         * cse.c (delete_trivially_dead_insns): Speed up by using
9806         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
9807         prev_real_insn.
9808
9809 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
9810
9811         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
9812         functions when -mid-shared-library is being used.
9813
9814 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9815
9816         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
9817         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
9818         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
9819         * system.h: Poison LINK_LIBGCC_SPECIAL.
9820
9821 2005-02-23  James E Wilson  <wilson@specifixinc.com>
9822
9823         * gengtype.c (note_insn_name): Make 1 element larger.
9824
9825 2005-02-23  Roger Sayle  <roger@eyesopen.com>
9826
9827         PR target/20018
9828         PR rtl-optimization/20097
9829         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9830         BImode SUBREGs of SImode registers which confuse the ia64 backend.
9831
9832 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
9833
9834         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
9835         * t-aix52 (SHLIB_INSTALL): Same.
9836
9837 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
9838
9839         * genpreds.c: Update copyright.
9840
9841 2005-02-23  Michael Beach  <michaelb@ieee.org>
9842
9843         PR target/20159
9844         * config/sparc/t-elf (startup files): Assemble with CPP.
9845
9846 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
9847
9848         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
9849         (write_predicate_expr): Likewise.
9850
9851 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
9852
9853         PR tree-optimization/20100
9854         PR tree-optimization/20115
9855         * tree-optimize.c (init_tree_optimization_passes): Remove
9856         pass_maybe_create_global_var.
9857         * tree-pass.h (pass_maybe_create_global_var): Remove.
9858         * tree-ssa-alias.c (aliases_computed_p): Declare.
9859         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
9860         (count_calls_and_maybe_create_global_var): Remove.
9861         (pass_maybe_create_global_var): Remove.
9862         (init_alias_info): Do not declare aliases_computed_p.
9863         (maybe_create_global_var): If the function contains no
9864         call-clobbered variables and a mix of pure/const and regular
9865         function calls, create .GLOBAL_VAR.
9866         Mark all call-clobbered variables for renaming.
9867         (merge_pointed_to_info): Update comment.
9868         (add_pointed_to_var): Likewise.
9869         (is_escape_site): Likewise.
9870         Accept struct alias_info * instead of size_t *.
9871         Update all users.
9872         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
9873         as necessary.
9874         * tree-ssa-operands.c (get_call_expr_operands): If
9875         ALIASES_COMPUTED_P is false, do not add call-clobbering
9876         operands.
9877         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
9878         (delete_tree_ssa): Likewise.
9879
9880 2005-02-22  James E Wilson  <wilson@specifixinc.com>
9881
9882         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
9883         (do_compile): Do call it here.
9884
9885 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
9886
9887         PR rtl-optimization/20017.
9888         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
9889         rest_of_handle_cse2, rest_of_handle_gcse): Call
9890         delete_dead_jumptables immediately before calling cleanup_cfg.
9891
9892 2005-02-22  Devang Patel  <dpatel@apple.com>
9893
9894         PR 19952
9895         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
9896         all labels
9897
9898 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
9899
9900         * config/rs6000/aix.h (WINT_TYPE): Define.
9901
9902 2005-02-22  Stan Shebs  <shebs@apple.com>
9903
9904         * config/rs6000/rs6000.c (rs6000_override_options): Default to
9905         natural alignment for 64-bit Darwin.
9906         (rs6000_parse_alignment_option): Warn about uses of -malign-power
9907         on 64-bit Darwin.
9908         * doc/invoke.texi: Document this.
9909
9910 2005-02-22  DJ Delorie  <dj@redhat.com>
9911
9912         * c-common.c (c_common_type_for_mode): Pass the mode's precision
9913         to make_[un]signed_type, not the mode itself.
9914
9915 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
9916
9917         * cfg.c (cached_make_edge): Call make_edge if edge cache is
9918         not available.  Use tail calls wherever possible.
9919         (make_edge): Call unchecked_make_edge to create an edge.
9920
9921         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
9922         (coalesce_ssa_name): Don't check for
9923         SSANORM_USE_COALESCE_LIST.
9924         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
9925
9926 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
9927
9928         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
9929         (rewrite_into_ssa): ... here.
9930
9931 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
9932
9933         PR tree-optimization/19786
9934         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
9935         tag to another's may-alias bitmap when adding to the other's list.
9936
9937 2005-02-21  DJ Delorie  <dj@redhat.com>
9938
9939         * tree-ssa-loop-ivopts.c (computation_cost): Start register
9940         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
9941         registers in unsupported ways.
9942         * expmed.c (init_expmed): Likewise.
9943
9944 2005-02-21  Stan Cox  <scox@redhat.com>
9945
9946         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
9947
9948 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9949
9950         * tree-cfg.c (fold_cond_expr_cond): New.
9951         (make_edges): Call fold_cond_expr_cond.
9952         (find_taken_edge): Accept nothing but INTEGER_CST.
9953         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
9954         and 1.
9955         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
9956
9957         * flow.c (delete_dead_jumptables): Speed up by scanning insns
9958         that do not belong to any basic block.
9959
9960 2005-02-21  Jeff Law  <law@redhat.com>
9961
9962         * cfganal.c (find_unreachable_blocks): Manually CSE load of
9963         e->dest.
9964
9965 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9966
9967         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
9968         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
9969         Adjust their definitions.
9970         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
9971         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
9972
9973         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
9974         genautomata.c, langhooks.c, langhooks.h, system.h,
9975         config/arm/lib1funcs.asm: Update copyright.
9976
9977 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
9978
9979         * dbxout.c (dbxout_function_end): Emit Lscope label always.
9980
9981 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
9982
9983         PR bootstrap/13770
9984         * doc/install.texi: Document --with-gc.
9985
9986 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
9987
9988         * simplify-rtx.c (simplify_unary_operation): Add a missing
9989         "break" statement.
9990
9991 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9992
9993         PR tree-optimization/18663
9994         * tree-ssa-dom.c (extract_range_from_cond): Return 0
9995         if the type has variable bounds.
9996
9997 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9998
9999         * gcse.c: Remove an obsolete comment.
10000
10001         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10002
10003 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10004
10005         * doc/extend.texi (Function Attributes) <Attribute const>: The
10006         attribute "pure" is below this text, not above.
10007
10008 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10009
10010         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
10011         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
10012         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
10013
10014 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
10015
10016         PR 18785
10017         * langhooks.h (struct lang_hooks): Add to_target_charset.
10018         * langhooks.c (lhd_to_target_charset): New function.
10019         * langhooks-def.h: Declare lhd_to_target_charset.
10020         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
10021         (LANG_HOOKS_INITIALIZER): Update.
10022         * c-common.c (c_common_to_target_charset): New function.
10023         * c-common.h: Declare it.
10024         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
10025         c_common_to_target_charset.
10026
10027         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
10028         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
10029         Delete definitions.
10030         * system.h: Poison them.
10031         * doc/tm.texi: Don't discuss them.
10032         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
10033         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
10034         (pp_c_char): Do not attempt to generate letter escapes for
10035         newline, tab, etc.
10036         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
10037         * config/mips/mips.c (mips_output_ascii): Likewise.
10038
10039 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10040
10041         PR tree-optimization/19951
10042         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10043         is abnormal.
10044
10045 2005-02-19  Steven Bosscher  <stevenb@suse.de>
10046
10047         PR middle-end/19698
10048         * function.h (struct function): New field `max_loop_depth'.
10049         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
10050         (flow_loops_find): Reset the max loop depth count before finding loops.
10051         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
10052         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
10053         (calculate_global_regs_live): Make sure the loop will terminate
10054         when the initial sets are not empty.
10055
10056 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
10057
10058         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
10059         object inside.
10060         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
10061
10062 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
10063
10064         PR other/19525
10065         * doc/invoke.texi: Remove documentation of %M spec.
10066         * gcc.c: Likewise.
10067         (init_spec): Remove %M suffix from -lgcc_s.
10068         (do_spec_1): Remove 'M' case.
10069         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
10070         to put shared libraries in the multilib directory.  Remove the
10071         shlib_so_soname substitution variable.  Don't add a multilib encoding
10072         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
10073         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
10074         SHLIB_INSTALL as well as SHLIB_LINK.
10075         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
10076         (SHLIB_NAME): Delete.
10077         (SHLIB_DIR): New macro.
10078         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
10079         (SHLIB_INSTALL): Adjust accordingly.
10080         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
10081         * config/t-slibgcc-sld: Likewise.
10082         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
10083         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
10084         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
10085         in $(SHLIB_DIR).
10086         (SHLIBUNWIND_INSTALL): Adjust accordingly.
10087         * config/i386/t-nwld (SHLIB_SONAME): Delete.
10088         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
10089         Use @shlib_base_name@ instead of @shlib_so_name@.
10090         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
10091         and @shlib_base_name@.so in @multilib_dir@.
10092         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
10093         to the install path.
10094         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
10095         (SHLIB_LINK): Remove previous workaround.
10096         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
10097         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
10098         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
10099         the install path.
10100         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
10101         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
10102         (SHLIB_INSTALL): Adjust accordingly.
10103         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
10104         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
10105         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
10106         config/t-slibgcc-elf-ver.
10107
10108 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
10109             Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR tree-optimization/19828
10112         * tree-ssa-loop-im.c: Add a TODO comment.
10113         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
10114         without side-effects.
10115
10116 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10117
10118         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
10119         call fold_convert.
10120
10121 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
10122
10123         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
10124         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
10125         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
10126         functions.
10127         (ia64_reorg): Delete fixup_errata call.
10128         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
10129         (TARGET_SWITCHES): Delete -mb-step entry.
10130
10131 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
10132
10133         PR c/20043
10134         * c-typeck.c (composite_type): Handle quals in transparent unions.
10135         (type_lists_compatible_p): Likewise.
10136
10137 2005-02-18  Stan Shebs  <shebs@apple.com>
10138
10139         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
10140         expressions in the .literal8 section.
10141
10142 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
10143
10144         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
10145
10146 2005-02-18  Roger Sayle  <roger@eyesopen.com>
10147
10148         * fold-const.c (constant_boolean_node): Always create values of the
10149         specified type, don't bother calling truthvalue_conversion.
10150
10151 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10152
10153         * except.c (output_function_exception_table): Call
10154         assemble_external_libcall (eh_personality_libfunc).
10155
10156 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10157
10158         PR target/19886
10159         * config/ia64/ia64.h (struct machine_function): Add state_num.
10160         * config/ia64/ia64.c (process_epilogue,
10161         process_for_unwind_directive): Use new unwind state numbers each
10162         time rather than state 1.
10163
10164 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
10165
10166         PR target/20054
10167         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
10168         before the "*llgt_didi" pattern.
10169
10170 2005-02-18  Jason Merrill  <jason@redhat.com>
10171
10172         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
10173
10174 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
10175
10176         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
10177         (div0): Use it in place of ARM_FUNC_ALIAS.
10178         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
10179
10180 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
10181
10182         PR middle-end/20030
10183         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
10184         access, the lower bound of the array type if it exists.
10185
10186 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
10187
10188         PR c++/20008
10189         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
10190         cases that are out-of-range for the index type.
10191
10192 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10193
10194         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
10195         (estimate_case_costs): Don't call convert.
10196         * expmed.c (expand_shift): Likewise.
10197         (make_tree): Call fold_convert instead of convert.
10198
10199 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10200
10201         PR c++/19813
10202         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
10203         that ref to be marked MEM_READONLY_P doesn't have base that needs
10204         constructing.
10205
10206 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10207
10208         * genautomata.c (output_get_cpu_unit_code_func,
10209         output_cpu_unit_reservation_p): Don't generate old-style function
10210         definitions.
10211
10212 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10213
10214         PR c++/20023
10215         PR tree-optimization/20009
10216         * convert.c (convert_to_integer): Revert 2005-02-16 change.
10217
10218         PR tree-optimization/18947
10219         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
10220         inline, remove all nodes that are inlined into the extern inline
10221         being redefined.
10222
10223 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10224
10225         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
10226         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
10227         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
10228         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
10229         Update copyright.
10230
10231 2005-02-17  Roger Sayle  <roger@eyesopen.com>
10232
10233         PR tree-optimization/19917
10234         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
10235         to be potentially trapping.
10236
10237 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10238
10239         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
10240
10241 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10242
10243         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
10244         tem becomes a local variable which is set to the value of the
10245         back end defined INITIAL_FRAME_ADDRESS macro.
10246         (expand_builtin_frame_address): Omit the base parameter to
10247         expand_builtin_return_addr.
10248         (expand_builtin_profile_func): Likewise.
10249         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
10250         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
10251         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
10252
10253 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
10254
10255         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
10256         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
10257         * config/frv/frv.c (frv_function_epilogue): Likewise.
10258
10259 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
10260
10261         * lambda-code (perfect_nestify): Remove mark/unmark
10262         for rewriting hack.
10263         * tree-loop-linear.c (linear_transform_loops): Add
10264         rewrite_into_ssa call so that ssa is correct for
10265         rewriting into loop closed.
10266
10267 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
10268
10269         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
10270         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
10271         BITMAP_FREE.
10272         * bt-load.c (btr_def_live_range, combine_btr_defs,
10273         migrate_btr_def, migrate_btr_defs): Likewise.
10274         * cfgcleanup.c (thread_jump): Likewise.
10275         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
10276         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
10277         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
10278         df_rd_local_compute, df_reg_info_compute): Likewise.
10279         * dominance.c (init_dom_info, free_dom_info): Likewise.
10280         * flow.c (init_propagate_block_info,
10281         free_propagate_block_info): Likewise.
10282         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
10283         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
10284         modify_reg_pav): Likewise.
10285         * loop-invariant.c (find_defs, find_invariant_insn,
10286         find_invariants, free_inv_motion_data): Likewise.
10287         * predict.c (tree_predict_by_opcode,
10288         estimate_bb_frequencies): Likewise.
10289         * stmt.c (expand_case): Likewise.
10290         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
10291         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
10292         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
10293         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
10294         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
10295         rewrite_ssa_into_ssa): Likewise.
10296         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10297         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
10298         analyze_edges_for_bb, perform_edge_inserts): Likewise.
10299         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
10300         * tree-sra.c (tree_sra): Likewise.
10301         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
10302         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10303         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
10304         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10305         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
10306         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
10307         Likewise.
10308         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
10309         calculate_live_on_entry, calculate_live_on_exit,
10310         build_tree_conflict_graph): Likewise.
10311         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
10312         record_important_candidates, set_use_iv_cost, find_depends,
10313         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
10314         tree_ssa_iv_optimize_finalize): Likewise.
10315         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
10316         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
10317         tree_duplicate_loop_to_header_edge): Likewise.
10318         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
10319         * tree-ssa.c (verify_flow_insensitive_alias_info,
10320         verify_name_tags, verify_ssa, init_tree_ssa,
10321         delete_tree_ssa): Likewise.
10322         * tree-ssanames.c (marked_ssa_names, init_ssanames,
10323         fini_ssanames): Likewise.
10324         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
10325
10326 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
10327
10328         * config/rs6000/t-rtems: Completely reworked.
10329
10330 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10331
10332         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
10333
10334 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10335
10336         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
10337         POINTER_TYPE_P when checking that type is a pointer.
10338         (vect_get_memtag): Remove.
10339         (vect_address_analysis): Use POINTER_TYPE_P. Call
10340         vect_object_analysis with dummy parameter for memtag.
10341         (vect_object_analysis): Extract memtag (functionality that
10342         used to be in vect_get_memtag and moved here). Fix printings.
10343         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
10344         with correct parameters. Remove call to vect_get_memtag.
10345
10346 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
10347
10348         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
10349         (tree-vectorizer.o): Added missing dependencies.
10350
10351         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
10352         decleration.
10353         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
10354         declaration in tree-vectorizer.c, now has an extern declaration in
10355         tree-vectorizer.h).
10356         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10357         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10358         get_vectype_for_scalar_type, vect_is_simple_use,
10359         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10360         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
10361         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
10362         vectorizable_store, vectorizable_operation, vectorizable_assignment,
10363         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
10364         find_loop_location): Likewise.
10365
10366         * tree-vectorizer.c (langhooks.h): #include removed.
10367         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
10368         moved to tree-vectorized.h.
10369         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10370         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10371         get_vectype_for_scalar_type, vect_is_simple_use,
10372         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10373         vect_supportable_dr_alignment, new_loop_vec_info,
10374         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
10375         vect_set_verbosity_level, find_loop_location): Likewise.
10376
10377         (vect_analyze_loop): Function externalized. Declaration moved to
10378         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
10379         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
10380         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
10381         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
10382         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
10383         vect_enhance_data_refs_alignment, vect_analyze_operations,
10384         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
10385         vect_stmt_relevant_p, vect_get_loop_niters,
10386         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
10387         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
10388         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
10389         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
10390         vect_get_memtag): Likewise.
10391
10392         (vectorizable_load): Function externalized. Declaration moved to
10393         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
10394         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
10395         vect_transform_loop): Likewise.
10396         (vect_transform_stmt): Moved to tree-vect-transform.c.
10397         (vect_align_data_ref, vect_create_destination_var,
10398         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
10399         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
10400         vect_get_vec_def_for_operand, vect_init_vector,
10401         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
10402         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
10403         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
10404         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
10405         vect_do_peeling_for_loop_bound): Likewise.
10406
10407         * tree-vect-analyze.c: New file.
10408         * tree-vect-transform.c: New file.
10409
10410 2005-02-17  Jason Merrill  <jason@redhat.com>
10411
10412         PR mudflap/19319, c++/19317
10413         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
10414         slot explicit.
10415
10416 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
10417
10418         * doc/install.texi (Specific): Update link for Darwin-specific
10419         tool binary site.
10420
10421 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
10422
10423         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
10424         constant_boolean_node.
10425
10426 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
10427
10428         PR target/19019
10429         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
10430         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
10431
10432 2005-02-16  Richard Henderson  <rth@redhat.com>
10433
10434         PR 19920
10435         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
10436         with W_TYPE_SIZE.
10437         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
10438         replace uses with Wtype_MAXp1_F.
10439         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
10440         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
10441         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
10442         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
10443         and HAVE_TFMODE as appropriate.
10444         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
10445         (__floatdisf): Likewise.
10446         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
10447         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
10448         (Wtype_MAXp1_F): New.
10449         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
10450         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
10451
10452 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
10453
10454         * PR target/19162
10455         * arm.c (arm_apply_result_size): New function.
10456         * arm.h (APPLY_RESULT_SIZE): Define.
10457         * arm-protos.h (arm_apply_result_size): Add prototype.
10458         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
10459         (movxf): New expand.
10460         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
10461         (call_value_symbol): Remove predicate for operand 0.
10462         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
10463         (untyped_call): Rework to correclty return values for any type.
10464         (untyped_return): New expand.
10465         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
10466
10467 2005-02-16  Stan Shebs  <shebs@apple.com>
10468
10469         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
10470         * config/rs6000/t-darwin8: New, for 64-bit multilib.
10471
10472 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10473
10474         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
10475         configure settings on Solaris 7 and later.
10476
10477 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
10478
10479         PR tree-optimization/19865
10480         * tree-optimize.c (init_tree_optimization_passes): Run
10481         pass_may_alias after pass_sra.
10482
10483 2005-02-16  Richard Henderson  <rth@redhat.com>
10484             Stuart Hastings  <stuart@apple.com>
10485
10486         PR debug/19521
10487         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
10488         Do nothing if debug info suppressed for this function.
10489         (dbxout_begin_function): Early exit if debug info suppressed for
10490         this function.
10491
10492 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
10493
10494         PR target/20007
10495         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
10496         find_basic_blocks.
10497         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10498
10499         PR tree-optimization/19967
10500         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
10501         expand_builtin_strchr, expand_builtin_strrchr): Take a new
10502         argument TYPE.  Adjust calls to fold_builtin_XXX.
10503         (expand_builtin, fold_builtin_1): Adjust calls to
10504         expand_builtin_XXX.
10505         (fold_builtin_strchr, fold_builtin_strpbrk,
10506         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
10507         result to a requested type TYPE.
10508
10509 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
10510
10511         PR middle-end/19857
10512         * fold-const.c (fold): Don't optimize (T)(x & cst) to
10513         (T)x & (T)cst if (T)cst overflows.
10514         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
10515         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
10516
10517 2005-02-15  Jeff Law  <law@redhat.com>
10518
10519         * gcse.c (blocks_with_calls): New bitmap.
10520         (alloc_gcse_mem): Allocate it.
10521         (free_gcse_mem): Free it.
10522         (clear_modifY_mem_tables): Clear it.
10523         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
10524         when we encounter CALL_INSNs.
10525         (compute_transp, case MEM): Handle blocks with calls separate
10526         from blocks without calls.  Use bitmap iterators rather than
10527         FOR_EACH_BB.
10528
10529 2005-02-15  Peter O'Gorman  <peter@pogma.com>
10530
10531         PR bootstrap/18810
10532         * mklibgcc.in (vis_hide): Use a temporary object file, not
10533         -o /dev/null.
10534
10535 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
10536
10537         PR target/19924
10538         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
10539         access optimization.
10540
10541 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
10542             Alan Modra  <amodra@bigpond.net.au>
10543
10544         PR target/19019
10545         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
10546         (_xlqsub): Rename to __gcc_qsub.
10547         (_xlqmul): Rename to __gcc_qmul.
10548         (_xlqdiv): Rename to __gcc_qdiv.
10549         Provide versioned symbol aliases with old names.
10550         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
10551         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
10552         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
10553         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
10554         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
10555
10556 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
10557
10558         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
10559         Fold ~(A - 1) and ~(A + -1) to -A.
10560
10561 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
10562
10563         PR pch/14940
10564         PR target/19300
10565         * config/host-linux.c (linux_gt_pch_use_address): Copy from
10566         config/pa/pa-host.c:pa_gt_pch_use_address.
10567
10568 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
10569
10570         * tree-vn.c (get_value_handle): Make sure that given an
10571         is_gimple_min_invariant expression, we always return it.
10572
10573 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
10574
10575         * passes.c (rest_of_handle_gcse): Fix a comment.
10576
10577 2005-02-15  Jeff Law  <law@redhat.com>
10578
10579         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
10580         bitmap.
10581         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
10582         (canon_list_insert, record_last_mem_set_info): Similarly.
10583         (clear_modify_mem_tables): Similarly.
10584
10585 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
10586
10587         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
10588         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
10589         config/mips/mips.md, config/rs6000/aix.h,
10590         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
10591
10592 2005-02-15  Richard Henderson  <rth@redhat.com>
10593
10594         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
10595         call to be best_edge.
10596
10597 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
10598
10599         * basic-block.h: Adjust the prototype for find_basic_blocks.
10600         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
10601         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
10602         find_basic_blocks.
10603
10604         * flow.c (recompute_reg_usage): Remove all arguments.
10605         * passes.c (rest_of_compilation): Adjust the call to
10606         recompute_reg_usage.
10607         * rtl.h: Adjust the prototype for recompute_reg_usage.
10608
10609 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
10610
10611         * tree-dump.c (dump_files): Update to reflect new member
10612         of dump_file_info.
10613         (dump_register): Add new argument.
10614         Set glob name.
10615         (dump_switch_p_1): Check against glob name if doglob was passed.
10616         (dump_switch_p): Check against regular first, then glob if
10617         we didn't have any hits on the dump name.
10618         * tree-optimize.c (register_one_dump_file):
10619         Pass in glob name as well.
10620         * tree-pass.h (struct dump_file_info): Add glob
10621         member.
10622
10623 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
10624
10625         PR preprocessor/16323
10626         * doc/invoke.texi: Document that -Wendif-labels is on by default.
10627
10628 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
10629
10630         PR target/19019
10631         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
10632         (trunctfdf2_internal1): New.
10633         (trunctfdf2_internal2): Renamed from trunctfdf2.
10634
10635 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
10636
10637         PR tree-optimization/19853
10638         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
10639
10640 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
10641
10642         * passes.c (rest_of_handle_loop_optimize): Remove calls to
10643         delete_dead_jumptables and cleanup_cfg.
10644
10645 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
10646
10647         * reload.c (find_reloads): Swap address_reloaded flags when
10648         swapping commutative operands.
10649
10650 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
10651
10652         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
10653         Use standard_iv_increment_position for computing the bsi position
10654         for create_iv.
10655         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
10656         the bsi position.
10657
10658 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
10659
10660         PR target/17428
10661         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
10662         life range of hard registers.
10663         * value-prof.c (insn_prefetch_values_to_profile): Only
10664         scan normal insns.
10665
10666         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
10667         profile in libcalls.
10668
10669 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
10670
10671         * bitmap.h (bitmap_and_compl_into): Return bool.
10672         * bitmap.c (bitmap_and_compl_into): Return changed flag.
10673
10674 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
10675
10676         PR tree-optimization/19944
10677         * fold-const.c (fold): Re-add ABS_EXPR folding.
10678
10679 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
10680
10681         PR target/19019
10682         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
10683         {TARGET,MASK}_XL_COMPAT.
10684         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
10685         MASK_XL_COMPAT.
10686         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
10687         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
10688         TARGET_XL_COMPAT.
10689         (rs6000_arg_partial_bytes): Same.
10690         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
10691         and XL compatibility enabled.
10692         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
10693         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
10694         test to final condition.
10695         (cmptf_internal2): New.
10696         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
10697         xl-compat.  Add TFmode information to description.
10698
10699 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
10700
10701         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
10702
10703 2005-02-13  Jason Merrill  <jason@redhat.com>
10704
10705         PR c++/16405
10706         * fold-const.c (fold_indirect_ref_1): Split out from...
10707         (build_fold_indirect_ref): Here.
10708         (fold_indirect_ref): New fn.
10709         * tree.h: Declare it.
10710         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
10711         (gimplify_modify_expr_rhs): Likewise.
10712         (gimplify_expr): Likewise.
10713
10714 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
10715
10716         PR tree-optimization/14303
10717         PR tree-optimization/15784
10718         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
10719         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
10720         ABS_EXPR<x> != 0 to x != 0.
10721
10722 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
10723
10724         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
10725         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
10726         spelling conventions.
10727
10728         * passes.c (rest_of_handle_gcse): Don't run cse_main and
10729         delete_trivially_dead_insns too many times.
10730
10731         * passes.c (rest_of_handle_gcse): Remove dead assignments to
10732         tem and tem2.
10733
10734 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10735
10736         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
10737         (vect_is_simple_iv_evolution): Remove redundant parameter
10738         and step check.
10739         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
10740         without last parameter.
10741         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
10742         Return pointer step. Call vect_is_simple_iv_evolution without
10743         last parameter. Check only that the step is multiple of size
10744         type. Remove stmt_vinfo updates.
10745         (vect_get_memtag_and_dr): Remove.
10746         (vect_get_memtag): New function.
10747         (vect_address_analysis): New function.
10748         (vect_object_analysis): New function.
10749         (vect_analyze_data_refs): Call vect_object_analysis and
10750         vect_get_memtag. Update stmt_vinfo fields.
10751
10752 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10753
10754         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
10755         exist and are objects. Remove checks for pointer.
10756         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
10757         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
10758         (vect_create_data_ref_ptr): Likewise.
10759         (vect_base_addr_differ_p): New function.
10760         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
10761         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
10762         Don't set the DR_BASE_NAME field of data-ref.
10763         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
10764
10765 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
10766
10767         * optabs.h (enum optab_index): Add new OTI_ldexp.
10768         (ldexp_optab): Define corresponding macro.
10769         * optabs.c (init_optabs): Initialize ldexp_optab.
10770         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
10771         patterns.
10772         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
10773         using ldexp_optab.
10774         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
10775         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
10776
10777         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
10778         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
10779         intrinsics.
10780
10781 2005-02-12  Ira Rosen  <irar@il.ibm.com>
10782
10783         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
10784         to base_address.
10785         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
10786         stmt_vec_info.
10787         (vect_get_base_and_offset): Always return an address.
10788         (vect_create_addr_base_for_vector_ref): Remove treatment for
10789         different data reference types.
10790         (vect_compute_data_ref_alignment): Rename base to base_address in
10791         stmt_vec_info. Get the object in order to force its alignment.
10792         (vect_get_memtag_and_dr): Rename base to base_address in
10793         stmt_vec_info. Extract the object for memtag analysis.
10794
10795 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
10796
10797         PR regression/19898.
10798         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
10799         changes cc_status, use apply modified_in_p to part of cc_status
10800         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
10801         body.
10802
10803 2005-02-11  Richard Henderson  <rth@redhat.com>
10804
10805         * tree-complex.c (expand_complex_libcall): New.
10806         (expand_complex_multiplication): Use it for c99 compliance.
10807         (expand_complex_division): Likewise.
10808         * fold-const.c (fold_complex_add, fold_complex_mult): New.
10809         (fold): Call them.
10810         * builtins.c (built_in_names): Remove const.
10811         * tree.c (build_common_builtin_nodes): Build complex arithmetic
10812         builtins.
10813         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
10814         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
10815         (built_in_names): Remove const.
10816         * c-common.c (c_common_type_for_mode): Handle complex modes.
10817         * flags.h, toplev.c (flag_complex_method): Rename from
10818         flag_complex_divide_method.
10819         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
10820         __mulsc3, __muldc3, __mulxc3, __multc3): New.
10821         * libgcc2.h: Declare them.
10822         * libgcc-std.ver: Export them.
10823         * mklibgcc.in (lib2funcs): Build them.
10824
10825 2005-02-11  Steven Bosscher  <stevenb@suse.de>
10826
10827         PR tree-optimization/19876
10828         Partially revert my change from 2005-01-14
10829         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
10830         (compute_antic): ...and remove the loop here.
10831
10832 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
10833
10834         PR middle-end/19858
10835         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
10836         is number of inner's bits, avoid creating a BIT_FIELD_REF.
10837
10838         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
10839         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
10840
10841 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
10842
10843         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
10844         offsets for the big-endian 32-bit case.
10845
10846 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
10847
10848         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
10849
10850 2005-02-11  Dale Johannesen  <dalej@apple.com>
10851
10852         * cselib.c (cselib_process_insn):  Clear out regs where
10853         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
10854         * reload.c (find_equiv_reg): Ditto.
10855
10856 2005-02-11  Ian Lance Taylor  <ian@airs.com>
10857
10858         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
10859         with no elements.
10860
10861         * tree.c (build_function_type_list): Work correctly if there are
10862         no arguments.
10863
10864 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
10865
10866         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
10867         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
10868         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
10869         TARGET_ZARCH instead of TARGET_64BIT.
10870
10871 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
10872
10873         * config/rs6000/t-rtems:
10874         (MULTILIB_OPTIONS): Remove mcpu=602.
10875         (MUTLILIB_DIRNAMES): Remove m602.
10876         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
10877         Let mcpu=602 match mcpu=603.
10878         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
10879
10880 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10881
10882         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
10883         signal trampolines.
10884
10885 2005-02-10  David Daney  <ddaney@avtrex.com>
10886
10887         * config/alpha/linux-unwind.h: Add exception clause to copyright.
10888         * config/i386/linux-unwind.h: Likewise.
10889         * config/ia64/linux-unwind.h: Likewise.
10890         * config/mips/linux-unwind.h: Likewise.
10891         * config/pa/linux-unwind.h: Likewise.
10892         * config/rs6000/linux-unwind.h: Likewise.
10893         * config/s390/linux-unwind.h: Likewise.
10894         * config/sh/linux-unwind.h: Likewise.
10895         * config/sparc/linux-unwind.h: Likewise.
10896
10897 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10898
10899         PR tree-optimization/17549
10900         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
10901         TER to replace a DEF with its expression if the DEF and the
10902         rhs of the expression we replace into have the same root
10903         variable.
10904
10905 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
10906
10907         * config/mips/mips.md: Fix the placement of the match_scratch in the
10908         lea64 peephole2.
10909
10910 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10911
10912         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
10913         Fix comment typos.
10914
10915 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
10916
10917         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
10918         (strip_offset): Handle addresses.
10919         (add_address_candidates): Use strip_offset.
10920         (difference_cost): Reflect strip_offset change.
10921         (force_var_cost, difference_cost): Strip nops.
10922
10923 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10924
10925         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
10926
10927         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
10928         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
10929         config/cris/cris-protos.h, config/cris/cris.c: Update
10930         copyright.
10931
10932 2005-02-10  Jeff Law  <law@redhat.com>
10933
10934         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
10935         (lookup_avail_expr): Similarly.
10936
10937 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
10938
10939         * builtins.c (fold_builtin_powi): New function.
10940         (fold_builtin_1): Call it.
10941
10942 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10943
10944         PR documentation/19309
10945         * doc/cpp.texi: The __GNUC__ and related predefined macros
10946         are also defined for the "standalone" cpp.
10947         Some non-GCC compilers may also define __GNUC__.
10948
10949 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
10950
10951         PR c/19342
10952         * c-typeck.c (common_type): New routine.  Old common_type renamed
10953         to...
10954         (c_common_type): ...this.
10955         (build_conditional_expr, build_binary_op): Use c_common_type instead
10956         of common_type.
10957
10958 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10959
10960         * doc/md.texi: Replace @samp{length} with @code{length}.
10961
10962 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10963
10964         PR tree-optimization/18687
10965         * tree-flow.h (find_loop_niter): Declare.
10966         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
10967         Try using scev even for loops with more than one exit.
10968         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
10969         (struct ivopts_data): Added niters field.
10970         (struct nfe_cache_elt): New.
10971         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
10972         functions.
10973         (tree_ssa_iv_optimize_init): Initialize niters cache.
10974         (determine_number_of_iterations): Removed.
10975         (find_induction_variables): Do not call determine_number_of_iterations.
10976         Access niters for single exit through niter_for_single_dom_exit.
10977         (add_iv_outer_candidates): Access niters for single exit through
10978         niter_for_single_dom_exit.
10979         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
10980         number_of_iterations_cond.
10981         (iv_period): New function.
10982         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
10983         (may_replace_final_value): Take data argument.  Use
10984         niter_for_single_dom_exit.
10985         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
10986         (rewrite_use_compare): Pass data to may_eliminate_iv.
10987         (rewrite_use_outer): Pass data to may_replace_final_value.
10988         (free_loop_data): Clean up the niters cache.
10989         (tree_ssa_iv_optimize_finalize): Free the niters cache.
10990         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
10991         * tree-ssa-loop-niter.c (find_loop_niter): New function.
10992         (find_loop_niter_by_eval): Use tree_int_cst_lt.
10993         (num_ending_zeros): Moved to tree.c.
10994         * tree.h (num_ending_zeros): Declare.
10995         * tree.c (num_ending_zeros): Moved from tree.c.
10996
10997 2005-02-09  Richard Henderson  <rth@redhat.com>
10998
10999         * builtins.c (DEF_BUILTIN): Add COND argument.
11000         * tree.h (DEF_BUILTIN): Likewise.
11001         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
11002         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
11003         match.
11004         (DEF_BUILTIN_STUB): New.
11005         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
11006         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
11007         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
11008         * c-common.c (DEF_BUILTIN): Add COND argument.
11009         * tree.c (local_define_builtin): New.
11010         (build_common_builtin_nodes): New.
11011
11012 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11013
11014         * fold-const.c (fold_strip_sign_ops): New function to simplify a
11015         floating point expression ignoring the sign of the result.
11016         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
11017         (fold) <MULT_EXPR>: Use it to simplify x*x.
11018         * tree.h (fold_strip_sign_ops): Prototype here.
11019         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
11020         argument.  Use fold_strip_sign_ops to simplify the first argument.
11021         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
11022         first argument when the second argument is an even integer
11023         constant, but only with -funsafe_math_optimizations.
11024         (fold_builtin_1): Update call to fold_builtin_copysign.
11025
11026 2005-02-09  Ian Lance Taylor  <ian@airs.com>
11027
11028         PR middle-end/19583
11029         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
11030         just check whether EH_FILTER_FAILURE falls through.
11031
11032 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11033
11034         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11035         insns return to ready list in the next turn.
11036
11037 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11038
11039         PR middle-end/19402
11040         * builtins.def: New __builtin_powi[lf].
11041         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
11042         (expand_builtin_powi): New function.
11043         (expand_builtin): Dispatch to expand_builtin_powi.
11044         * libgcc2.h: Add prototypes for __builtin_powi[lf].
11045         * libgcc2.c: Add __builtin_powi[lf] implementation.
11046         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
11047         * optabs.h: Add powi_optab.
11048         * optabs.c (init_optabs): Initialize powi_optab.
11049         * doc/extend.texi: Document __builtin_powi[lf].
11050
11051 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11052
11053         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11054         exists.
11055
11056 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11057
11058         PR middle-end/19854
11059         * fold-const.c (try_move_mult_to_index): Remove redundant
11060         type argument.  Create ADDR_EXPR with correct type.
11061         (fold): Update callers of try_move_mult_to_index.  Convert
11062         result to the appropriate type.
11063
11064 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11065
11066         PR target/19597
11067         * config/avr/avr.c (default_rtx_costs): Delete.
11068         (avr_operand_rtx_cost): New function.
11069         (avr_rtx_costs): Completely rewrite.
11070
11071 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
11072
11073         PR target/19806
11074         * config/cris/cris.c (in_code): New variable.
11075         (cris_output_addr_const): Now a static function, a wrapper for
11076         output_addr_const.
11077         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
11078         case from old cris_output_addr_const.
11079         (cris_asm_output_label_ref): Similar for LABEL_REF.
11080         (cris_output_addr_const_extra): Similar for UNSPEC.
11081         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
11082         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
11083         * config/cris/cris-protos.h (cris_output_addr_const): Remove
11084         declaration.
11085         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
11086         (cris_asm_output_label_ref): Declare.
11087
11088 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
11089
11090         PR preprocessor/19801
11091         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
11092         filenames that changed when libcpp was moved to the toplevel.
11093
11094 2005-02-07  Roger Sayle  <roger@eyesopen.com>
11095
11096         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11097         zero extensions of BImode operands.  Call lowpart_subreg instead
11098         of gen_lowpart_common and gen_lowpart_SUBREG.
11099
11100 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
11101
11102         PR ada/19489
11103         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
11104         * configure.ac: Set cc_for_cross_gnattools.
11105         * configure: Regenerate.
11106
11107 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
11108
11109         PR target/19803
11110         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
11111
11112 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11113
11114         PR debug/19327
11115         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
11116         of nested functions.
11117
11118 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
11119
11120         * doc/extend.texi: Document deprecated extensions allowing
11121         static floating-point members to have initializers and allowing
11122         floating-point literals in integral constant expressions.
11123
11124 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
11125
11126         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
11127         config/darwin7.h, config/mips/mips.c,
11128         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
11129         Update copyright.
11130
11131         * cse.c: Update comments.
11132
11133 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
11134
11135         PR middle-end/19775
11136         * builtins.c (fold_builtin_sqrt): Transform
11137         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
11138         pow(x,y*0.5).
11139
11140 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
11141             Dorit Naishlos  <dorit@il.ibm.com>
11142
11143         * doc/invoke.texi (ftree-vectorizer-verbose): New.
11144         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
11145         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
11146         was added.
11147         * tree.h (vect_set_verbosity_level): New extern function declaration
11148         added.
11149         * tree-vectorizer.h (verbosity_levels): New enum type.
11150         * tree-vectorizer.c (vect_debug_stats): Function removed.
11151         (vect_debug_details): Likewise.
11152         (vect_verbosity_level): Global variable was defined and initialized.
11153         (vect_dump): Global variable definition.
11154         (vect_print_dump_info): New function.
11155         (vect_set_dump_settings): New function.
11156         (vect_set_verbosity_level): New function.
11157         (vectorize_loops): Add call to vect_set_dump_settings.
11158
11159         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
11160         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11161         (slpeel_tree_peel_loop_to_edge): Likewise.
11162
11163         (vect_analyze_offset_expr): Call to vect_print_dump_info with
11164         appropriate verbosity level instead of call to vect_debug_details
11165         or vect_debug_stats.
11166         (vect_get_base_and_offset):
11167         (vect_create_addr_base_for_vector_ref):
11168         (get_vectype_for_scalar_type):
11169         (vect_create_data_ref_ptr):
11170         (vect_init_vector):
11171         (vect_get_vec_def_for_operand):
11172         (vect_finish_stmt_generation):
11173         (vectorizable_assignment):
11174         (vectorizable_operation):
11175         (vectorizable_store):
11176         (vectorizable_load):
11177         (vect_transform_stmt):
11178         (vect_update_ivs_after_vectorizer):
11179         (vect_do_peeling_for_loop_bound):
11180         (vect_update_inits_of_drs):
11181         (vect_do_peeling_for_alignment):
11182         (vect_transform_loop):
11183         (vect_is_simple_use):
11184         (vect_analyze_operations):
11185         (vect_is_simple_iv_evolution):
11186         (vect_analyze_scalar_cycles):
11187         (vect_analyze_data_ref_dependence):
11188         (vect_analyze_data_ref_dependences):
11189         (vect_compute_data_ref_alignment):
11190         (vect_enhance_data_refs_alignment):
11191         (vect_analyze_data_refs_alignment):
11192         (vect_analyze_data_ref_access):
11193         (vect_analyze_data_ref_accesses):
11194         (vect_analyze_pointer_ref_access):
11195         (vect_get_memtag_and_dr):
11196         (vect_analyze_data_refs):
11197         (vect_mark_relevant):
11198         (vect_stmt_relevant_p):
11199         (vect_mark_stmts_to_be_vectorized):
11200         (vect_can_advance_ivs_p):
11201         (vect_get_loop_niters):
11202         (vect_analyze_loop_form):
11203         (vect_analyze_loop):
11204         (vectorize_loops): Likewise.
11205
11206         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
11207         (vect_update_inits_of_drs):
11208         (vect_do_peeling_for_alignment):
11209         (vect_transform_loop):
11210         (vect_analyze_operations):
11211         (vect_analyze_scalar_cycles):
11212         (vect_analyze_data_ref_dependences):
11213         (vect_analyze_data_refs_alignment):
11214         (vect_analyze_data_ref_accesses):
11215         (vect_analyze_data_refs):
11216         (vect_mark_stmts_to_be_vectorized):
11217         (vect_get_loop_niters):
11218         (vect_analyze_loop_form):
11219         (vect_analyze_loop): Likewise.
11220         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
11221
11222 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
11223
11224         PR bootstrap/19796
11225         Revert:
11226         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11227         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11228         either -ffast-math or -funsafe-math-optimizations is in use.
11229
11230         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11231         * config/mips/irix-csr.c: New file.
11232         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11233         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11234         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11235         executables.
11236
11237 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
11238
11239         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
11240         redundant, incorrect definitions.
11241
11242         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
11243         expand.
11244         ("*tls_indirect_call"): New, reference hard regs directly.
11245         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
11246
11247 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11248
11249         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
11250         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
11251
11252 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11253
11254         PR rtl-optimization/19800
11255         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
11256         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
11257         gen_lowpart.
11258
11259 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11260
11261         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
11262
11263 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
11264
11265         PR other/17135
11266         * doc/invoke.texi: Correct documentation of -freorder-functions.
11267
11268 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11269
11270         PR other/14402
11271         * doc/invoke.texi: Don't mention gccbug.
11272
11273 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11274             Andrew Pinski  <pinskia@physics.uc.edu>
11275             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
11276
11277         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11278         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
11279         into just (zero_extract:SI FOO (const_int 1) BAR).
11280
11281 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11282
11283         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
11284         macro locally.  Don't give last revision date.  Use GCC version
11285         number from gcc-common.texi.
11286         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
11287         revision date.  Use GCC version number from gcc-common.texi.
11288         Describe being a library as current state rather than as 3.x
11289         history.
11290         * doc/gcc.texi: Remove last update date.
11291         * doc/gccint.texi: Likewise.  Update copyright dates.
11292         * doc/install.texi: Update copyright dates.
11293
11294 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11295
11296         PR other/7549
11297         * doc/invoke.texi: Mention for each option included in -Wall that
11298         it is included in -Wall.
11299         * doc/gcc.texi: Update copyright and last modification date.
11300
11301 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11302
11303         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
11304         unnecessary cast to original induction variable increments.
11305
11306 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11307
11308         PR tree-optimization/18219
11309         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
11310         in distributed form.
11311
11312 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
11313
11314         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
11315         Set bitpos and offset later in the function.  Do nothing if the
11316         target is a register and if the bitfield lies completely outside
11317         that register.
11318         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
11319         here.  Return an uninitialised register if the source value is stored
11320         in a register and the bitfield lies completely outside that register.
11321
11322 2005-02-06  Steven Bosscher  <stevenb@suse.de>
11323
11324         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
11325         not SET_DEST.
11326
11327 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
11328
11329         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
11330
11331 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
11332
11333         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
11334         * config/darwin8.h: New.
11335         * config/darwin7.h: Update comment.
11336
11337 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11338             Dorit Naishlos  <dorit@il.ibm.com>
11339
11340         * tree-vectorizer.h (LOC): New type.
11341         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
11342         (loop_line_number): New field in struct _loop_vec_info.
11343         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
11344
11345         * tree-vectorizer.c (input.h): Included.
11346         (find_loop_location): New function.
11347         (vect_debug_stats): Argument changed from loop to LOC. Computation of
11348         loop line number removed.
11349         (vect_debug_details): Likewise.
11350         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
11351
11352         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
11353         call to vect_debug_details/stats changed from loop to loop_loc.
11354         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11355         (slpeel_tree_peel_loop_to_edge): Likewise.
11356
11357         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
11358         changed from NULL to UNKNOWN_LOC.
11359         (vect_get_base_and_offset):
11360         (vect_create_addr_base_for_vector_ref):
11361         (get_vectype_for_scalar_type):
11362         (vect_create_data_ref_ptr):
11363         (vect_init_vector):
11364         (vect_get_vec_def_for_operand):
11365         (vect_finish_stmt_generation):
11366         (vectorizable_assignment):
11367         (vectorizable_operation):
11368         (vectorizable_store):
11369         (vectorizable_load):
11370         (vect_transform_stmt):
11371         (vect_update_ivs_after_vectorizer):
11372         (vect_do_peeling_for_loop_bound):
11373         (vect_do_peeling_for_alignment):
11374         (vect_transform_loop):
11375         (vect_is_simple_use):
11376         (vect_analyze_operations):
11377         (vect_is_simple_iv_evolution):
11378         (vect_analyze_scalar_cycles):
11379         (vect_analyze_data_ref_dependences):
11380         (vect_compute_data_ref_alignment):
11381         (vect_enhance_data_refs_alignment):
11382         (vect_analyze_data_ref_access):
11383         (vect_analyze_data_ref_accesses):
11384         (vect_analyze_pointer_ref_access):
11385         (vect_get_memtag_and_dr):
11386         (vect_analyze_data_refs):
11387         (vect_mark_relevant):
11388         (vect_stmt_relevant_p):
11389         (vect_mark_stmts_to_be_vectorized):
11390         (vect_can_advance_ivs_p):
11391         (vect_get_loop_niters):
11392         (vect_analyze_loop):
11393         (vectorize_loops): Likewise.
11394
11395         (vectorizable_load): Argument in call to vect_debug_details/stats
11396         changed from loop to LOOP_LOC (loop_vinfo).
11397         (vect_transform_loop):
11398         (vect_analyze_operations):
11399         (vect_analyze_scalar_cycles):
11400         (vect_analyze_data_ref_dependence):
11401         (vect_enhance_data_refs_alignment):
11402         (vect_analyze_data_ref_accesses):
11403         (vect_analyze_pointer_ref_access):
11404         (vect_analyze_data_refs):
11405         (vect_analyze_loop): Likewise.
11406
11407         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
11408         changed from loop to loop_loc.
11409
11410         (vect_enhance_data_refs_alignment): Removed unused variable loop.
11411
11412 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11413             Dorit Naishlos  <dorit@il.ibm.com>
11414
11415         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
11416         declaration added.
11417         (vect_analyze_data_ref_dependences): Likewise.
11418
11419         (vect_is_simple_use): Argument changed from loop structure to
11420         loop_vect_info structure.
11421         (vect_can_advance_ivs_p): Likewise.
11422         (vect_create_index_for_vector_ref): Likewise.
11423         (vect_update_ivs_after_vectorizer): Likewise.
11424         (new_stmt_vec_info): Likewise.
11425
11426         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
11427         changed from loop to loop_vinfo.
11428         (vect_create_data_ref_ptr): First argument in call to
11429         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
11430         (vectorizable_assignment): Second argument in call to vect_is_simple_use
11431         was changed from loop to loop_vinfo.
11432         (vectorizable_operation): Likewise.
11433         (vectorizable_store): Likewise.
11434         (vect_mark_stmts_to_be_vectorized): Likewise.
11435         (vect_do_peeling_for_loop_bound): First argument in call to
11436         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
11437         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
11438         was changed from loop to loop_vinfo.
11439         (vect_analyze_data_ref_dependences): Third argument in call to
11440         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
11441
11442         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
11443         (vect_create_data_ref_ptr): Likewise.
11444         (vect_init_vector): Likewise.
11445         (vect_get_vec_def_for_operand): Likewise.
11446         (vectorizable_assignment): Likewise.
11447         (vectorizable_operation): Likewise.
11448         (vectorizable_store): Likewise.
11449         (vectorizable_load): Likewise.
11450         (vect_update_ivs_after_vectorizer): Likewise.
11451         (vect_is_simple_use): Likewise.
11452         (vect_analyze_data_ref_dependence): Likewise.
11453         (vect_analyze_pointer_ref_access): Likewise.
11454         (vect_can_advance_ivs_p): Likewise.
11455
11456         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
11457         before _stmt_vec_info.
11458         (_stmt_vec_info): Loop field replaced by loop_vec_info.
11459         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
11460         (new_stmt_vec_info): Argument changed from loop structure to
11461         loop_vect_info structure
11462
11463         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
11464         (vect_analyze_offset_expr): Avoid 80 columns overflow.
11465         (vect_create_addr_base_for_vector_ref): Likewise.
11466         (vect_analyze_pointer_ref_access): Likewise.
11467
11468 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
11469
11470         PR tree-opt/19768
11471         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
11472         phi flag if the phi is abnormal.
11473
11474 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
11475
11476         PR tree-opt/19736
11477         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
11478         information for the new statement.
11479
11480 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
11481
11482         PR driver/19117
11483         * gcc.c (main): Include the target in -v output.
11484
11485 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
11486
11487         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
11488         Do not drop the extend if we'd have to add a paradoxical subreg
11489         later.  Include optabs.h and insn-codes.h.
11490         * Makefile.in (combine.o): Depend on $(OPTABS_H).
11491
11492 2005-02-02  Roger Sayle  <roger@eyesopen.com>
11493
11494         PR middle-end/19405
11495         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
11496         * fold-const.c (const_binop): Avoid constant folding floating
11497         point operations in modes that use composite representations.
11498         * simplify-rtx.c (simplify_binary_operation): Likewise.
11499
11500 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
11501
11502         * config/rs6000/altivec.md (altivec_dst): Make the first operand
11503         a REG, not a MEM.
11504         (altivec_dstt): Likewise.
11505         (altivec_dstst): Likewise.
11506         (altivec_dststt): Likewise.
11507         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
11508         of first operand.
11509
11510 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11511
11512         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
11513         EXPR_LOCUS from orig_cond to the new cond_stmt.
11514         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
11515         the new vec_stmt.
11516
11517 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11518
11519         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
11520         standard_iv_increment_position. Remove call to bsi_next
11521         (no need to bump the iterator anymore).
11522         (vect_create_index_for_vector_ref): Call
11523         standard_iv_increment_position. Remove second function argument.
11524         (vect_finish_stmt_generation): Remove call to bsi_next
11525         (no need to bump the iterator anymore).
11526         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
11527         to vect_create_index_for_vector_ref.
11528
11529 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
11530
11531         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
11532         phis are used out of the loop.
11533
11534 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
11535
11536         PR c/17807
11537         * c-decl.c (undef_nested_function): New variable.
11538         (pop_scope): Diagnose undefined nested functions.
11539         (finish_function): Don't attempt cgraph processing or genericizing
11540         if current top-level function contained an undefined nested
11541         function.  Reset undef_nested_function at the end of a top-level
11542         function.
11543
11544 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
11545
11546         * tree.c (build_int_cst_type): Take sign of the value into account
11547         when deciding whether sign extend the value.
11548
11549 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11550
11551         PR c/18502
11552         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
11553         (cpp_options, cc1_options): Change %{std*&ansi} to
11554         %{std*&ansi&trigraphs}.
11555
11556 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11557
11558         * cse.c: Update comments.
11559
11560 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
11561
11562         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
11563         arguments go on the stack.  Do not put complex doubles in odd/even
11564         pairs.
11565
11566 2005-02-02  Steven Bosscher  <stevenb@suse.de>
11567
11568         * doc/invoke.texi: Update the options enabled at -O1, -O2,
11569         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
11570         -ftree-pre, and -fthread-jumps.
11571
11572 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
11573
11574         PR tree-optimization/19578
11575         * tree-flow.h (modified_noreturn_calls): Declare.
11576         (noreturn_call_p): Declare.
11577         * tree-flow-inline.h (noreturn_call_p): New function.
11578         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
11579         * tree-cfg.c (modified_noreturn_calls): New variable.
11580         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
11581         that contain a mid-block noreturn call.
11582         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
11583
11584 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
11585
11586         * df.c (df_def_record_1, df_uses_record): Don't use
11587         DF_FOR_REGALLOC.
11588         * df.h (DF_FOR_REGALLOC): Remove.
11589
11590 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11591
11592         PR c/19435
11593         * c-typeck.c (really_start_incremental_init): Reset
11594         constructor_max_index for arrays of incomplete type.
11595
11596 2005-02-02  Jeff Law  <law@redhat.com>
11597
11598         * gcse.c (struct reg_set): Store the block index where the register
11599         was set rather than the setting insn.
11600         (record_one_set, compute_transp): Corresponding changes.
11601         (pre_insert_copy_insn): Do not call replace_one_set.
11602         (replace_one_set): Remove.
11603
11604 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
11605
11606         PR other/15514
11607         * doc/gcov.texi: Fix typo.
11608
11609 2005-02-01  Richard Henderson  <rth@redhat.com
11610
11611         PR target/19680
11612         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
11613         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
11614         type to bool.
11615         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
11616         * config/i386/i386-protos.h: Update.
11617
11618 2005-02-01  Steven Bosscher  <stevenb@suse.de>
11619
11620         PR tree-optimization/19217
11621         * tree-cfg.c (verify_expr): Use the data field to see if TP was
11622         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
11623         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
11624         that it is walking a PHI node.
11625
11626 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
11627
11628         * doc/extend.texi (Nested Functions): Update.
11629
11630 2005-02-01  Richard Henderson  <rth@redhat.com>
11631
11632         PR 19696
11633         * optabs.c (expand_copysign_absneg): Export.
11634         * optabs.h (expand_copysign_absneg): Declare.
11635         * config/rs6000/rs6000.md (copysigntf3): New.
11636
11637 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
11638
11639         PR tree-optimization/19633
11640         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
11641         * tree-ssa-alias.c (init_alias_info): Initialize.
11642         (merge_pointed_to_info): Set.
11643         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
11644         (dump_points_to_info_for): Show value of pt_null.
11645         (struct count_ptr_d): Declare.
11646         (find_ptr_dereference): Remove.
11647         (ptr_is_dereferenced_by): Remove.
11648         (count_ptr_derefs): New local function.
11649         (count_uses_and_derefs): New local function.
11650         (compute_points_to_and_addr_escape): Call it.  If the number
11651         of dereferences is greater than zero, mark the pointer as
11652         dereferenced.  If there are fewer dereferences than uses of
11653         the pointer, the pointer's value escapes.
11654
11655 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
11656
11657         PR tree-optimization/19670
11658         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
11659         here...
11660         (verify_use): ... set it here, instead.
11661
11662 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
11663
11664         * doc/sourcebuild.texi (Test directives): Fix formatting.
11665
11666         * doc/sourcebuild.texi (Test directives): Describe selector
11667         expressions.
11668
11669 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
11670
11671         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
11672         specific 64-bit CPUs.
11673
11674 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
11675
11676         PR target/16201
11677         * arm.c (arm_eliminable_register): New function.
11678         (adjacent_mem_locations): Don't allow eliminable registers.  Use
11679         HOST_WIDE_INT for address offsets.
11680         * arm-protos.h (arm_eliminable_register): Add prototype.
11681
11682 2005-02-01  Steven Bosscher  <stevenb@suse.de>
11683
11684         PR optimization/15242
11685         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
11686         * basic-block.h (duplicate_computed_gotos): Add prototype.
11687         * bb-reorder.c (duplicate_computed_gotos): New function to
11688         duplicate sufficiently small blocks ending in a computed jump.
11689         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
11690         if not optimizing for size.
11691         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
11692         never do tail merging for blocks ending in a computed jump.
11693         * doc/invoke.texi: Document the max-goto-duplication-insns param.
11694
11695 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
11696
11697         Patch from Richard Sandiford <rsandifo@redhat.com>
11698         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
11699         from inheriting a subreg equivalence with a non-spill register.
11700
11701         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
11702
11703 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
11704
11705         * config/frv/frv.c (movcc_fp_destination_operand): New.
11706         (gpr_or_memory_operand): Fix typo in comment.
11707         (gpr_or_memory_operand_with_scratch): New.
11708         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
11709         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
11710         movcc_fp_destination_operand.
11711         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
11712         Legitimize memory addresses using a scratch register.
11713
11714 2005-01-31  Jeff Law  <law@redhat.com>
11715
11716         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
11717         bitmap a sparse bitmap instead of a simple bitmap.
11718         (mark_def_sites_initialize_block):  Corresponding changes.
11719         (ssa_mark_def_sites_initialize_block): Likewise.
11720         (ssa_mark_phi_uses): Likewise.
11721         (mark_def_site, ssa_mark_def_sites): Likewise.
11722         (mark_def_site_blocks): Likewise.
11723         (rewrite_ssa_into_ssa): Likewise.
11724
11725         * tree-ssa-dom.c (record_cond): Pass correct variable type
11726         for last argument to htab_find_slot_with_hash.
11727
11728         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
11729         effects when optimizing 0 % X.  Do not try to optimize X % 0.
11730
11731 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
11732
11733         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
11734         1_mmalua.
11735
11736 2005-02-01  Eric Christopher  <echristo@redhat.com>
11737
11738         * config/mips/mips.c (override_options): Warn if -mint64
11739         is used.
11740         * doc/invoke.texi (MIPS Options): Document that -mint64 is
11741         deprecated.
11742
11743 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
11744
11745         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
11746         timestamp.
11747         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
11748         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
11749         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
11750         (cached_regno): Initialize to INVALID_REGNUM.
11751         (cse_reg_info_table_size,
11752         cse_reg_info_table_first_uninitialized,
11753         cse_reg_info_timestamp): New.
11754         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
11755         get_cse_reg_info.
11756         (init_cse_reg_info, get_cse_reg_info_1): New.
11757         (get_cse_reg_info): Cache the last look-up.
11758         (new_basic_block): Update the code to clear mappings from
11759         registers to cse_reg_info entries.
11760         (cse_main): Call init_cse_reg_info.
11761
11762         * cse.c (get_cse_reg_info): Update a comment.
11763
11764 2005-01-31  Steven Bosscher  <stevenb@suse.de>
11765
11766         PR c/19333
11767         * c-decl.c (start_decl): Do not warn about arrays of elements with
11768         an incomplete type here.
11769         (grokdeclarator): Do it here by making a pedwarn an error.
11770         * c-typeck.c (push_init_level): If there were previous errors with
11771         the constructor type, do not warn about braces for initializers.
11772         (process_init_element): Likewise for excess initializer elements.
11773
11774 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
11775
11776         * cse.c (delete_trivially_dead_insn): Don't iterate.
11777
11778 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
11779
11780         * config/rs6000/rs6000.md (copysignsf3): New expand.
11781         (copysigndf3): Likewise.
11782
11783 2005-01-31  Steven Bosscher  <stevenb@suse.de>
11784
11785         * recog.c (constrain_operands): Only look for earlyclobber operand
11786         conflicts if an '&' constraint was seen.
11787
11788 2005-01-31  Marc Espie <espie@openbsd.org>
11789
11790         * config.gcc: Don't include embedded systems fragment, switches default
11791         debugging format to ELF.
11792         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
11793         longer pick it up there.
11794
11795 2005-01-31  Dale Johannesen  <dalej@apple.com>
11796
11797         * doc/extend.texi (nested functions): Fix linkage description.
11798         Clarify that static is not allowed.
11799
11800 2005-01-31  Dale Johannesen  <dalej@apple.com>
11801
11802         * config/rs6000/darwin.md (movsf_low_di):  Make work.
11803         (movdf_low_di):  Make work.
11804
11805 2005-01-31  Dale Johannesen  <dalej@apple.com>
11806
11807         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
11808         Make work for 64 bit.
11809
11810 2005-01-31  Roger Sayle  <roger@eyesopen.com>
11811             Dale Johannesen  <dalej@apple.com>
11812
11813         PR middle-end/19650
11814         * fold-const.c (fold_binary_op_with_conditional_arg):
11815         Make types match original operands, before STRIP_NOPS.
11816
11817 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
11818
11819         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
11820         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
11821         (struct gcc_sigcontext): Delete.  Merge contents to..
11822         (struct gcc_ucontext): ..here.
11823         (get_sigcontext): Delete.
11824         (get_regs): New function, like get_sigcontext but return regs ptr.
11825         64-bit version finds regs from r1 to support vdso.
11826         (ppc_linux_aux_vector): New function.
11827         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
11828         and vector regs.
11829
11830 2005-01-31  Ira Rosen  <irar@il.ibm.com>
11831
11832         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
11833         sizetype.
11834         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
11835         redundant fold. Fix misalignment for MINUS_EXPR.
11836         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
11837         (vect_analyze_pointer_ref_access): Likewise.
11838         (vect_get_memtag_and_dr): Likewise.
11839
11840 2005-01-31  Richard Henderson  <rth@redhat.com>
11841
11842         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
11843         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
11844         absnegdf2_i387, absnegxf2_i387): Likewise.
11845
11846 2005-01-31  Richard Henderson  <rth@redhat.com>
11847
11848         PR 19696
11849         * optabs.c (expand_copysign_absneg): New.
11850         (expand_copysign_bit): Split out from ...
11851         (expand_copysign): ... here.  Use expand_copysign_absneg.
11852
11853 2005-01-30  Roger Sayle  <roger@eyesopen.com>
11854
11855         PR middle-end/19697
11856         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
11857         constant as the second operand and a register as the third.
11858
11859 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
11860
11861         PR target/19704
11862         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
11863         that dllimport'd functions do not use all call-clobbered registers
11864         to pass parameters.
11865
11866 2005-01-30  Richard Henderson  <rth@redhat.com>
11867
11868         PR 19696
11869         * optabs.c (expand_absneg_bit): Split out from expand_unop and
11870         expand_abs_nojump and generalize.  Use operand_subword and
11871         emit_no_conflict_block.  Support large modes.
11872         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
11873         back to maximum.
11874         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
11875         negation to subtraction.
11876         (expand_copysign): Check that the format has signed zeros.
11877         Use operand_subword and emit_no_conflict_block.  Support large modes.
11878
11879 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
11880
11881         Fix PR tree-optimization/19624
11882
11883         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
11884         * tree-ssa-pre.c: Add cfgloop.h.
11885         Update comment.
11886         (pre_stats): New member, constified.
11887         (inserted_exprs): New static variable.
11888         (NECESSARY): New macro.
11889         (create_expression_by_pieces): Fold the expression, and
11890         mark it as defaulting to not necessary. Also put in
11891         inserted_exprs.
11892         (fully_constant_expression): New function.
11893         (insert_into_preds_of_block): Modify to not insert phis when we
11894         are playing with induction variables.
11895         Push phis onto the inserted_exprs vector, and mark them as not
11896         necessary by default.
11897         (insert_aux): Call fully_constant_expression on eprime.
11898         If all edges produce the same value, mark it constant.
11899         (mark_operand_necessary): New function.
11900         (remove_dead_inserted_code): New function.
11901         (init_pre): Init loop optimizer to get loop info.
11902         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
11903         (execute_pre): Commit edge inserts, then remove dead code.
11904
11905 2005-01-30  Richard Henderson  <rth@redhat.com>
11906
11907         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
11908         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
11909
11910 2005-01-30  Richard Henderson  <rth@redhat.com>
11911
11912         PR target/19700
11913         * config/i386/i386.c (ix86_expand_copysign): New.
11914         (ix86_split_copysign_const): New.
11915         (ix86_split_copysign_var): Rename from ix86_split_copysign,
11916         rearrange op1/nmask operands.
11917         * config/i386/i386-protos.h: Update.
11918         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
11919         (copysigndf3): Likewise.
11920         (copysignsf3_const, copysigndf3_const): New.
11921         (copysignsf3_var): Rename from copysignsf3, split out splitter
11922         and fix split predicate for X constraint.
11923         (copysigndf3_var): Similarly.
11924
11925 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
11926
11927         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
11928         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
11929         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
11930
11931 2005-01-29  Richard Henderson  <rth@redhat.com>
11932
11933         PR target/19690
11934         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
11935         of # and * in constraints.
11936
11937 2005-01-29  Richard Henderson  <rth@redhat.com>
11938
11939         PR middle-end/19689
11940         * expr.c (store_field): Don't strip sub-mode cast when the input
11941         data is even smaller.
11942
11943 2005-01-29  Richard Henderson  <rth@redhat.com>
11944
11945         PR middle-end/19687
11946         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
11947         union being empty.
11948
11949 2005-01-29  Richard Henderson  <rth@redhat.com>
11950
11951         * combine.c (make_field_assignment): Fix argument order
11952         to gen_int_mode.
11953
11954 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
11955
11956         PR tree-optimization/15791
11957         * fold-const.c (extract_array_ref): New function.
11958         (fold): Fold comparisons between &a[i] and &a[j] or
11959         semantically equivalent trees.
11960
11961 2005-01-29  Jeff Law  <law@redhat.com>
11962
11963         * gcse.c (insert_expr_in_table): Revamp handling of available
11964         and anticipatable occurrence lists to avoid unnecessary list
11965         walking.
11966         (insert_set_in_table): Similarly.
11967
11968 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
11969
11970         * c-common.c (fix_string_type): Just use c_build_qualified_type to
11971         build string type.
11972         (c_build_qualified_type): Build qualified array types with
11973         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
11974         * c-decl.c (c_make_fname_decl): Build unqualified array type
11975         before qualified type.
11976         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
11977         type is qualified, not just if type itself is.  Don't apply
11978         qualifiers to array type when declarator is processed.  Apply
11979         qualifiers to field type whether or not it is an array type.
11980         Don't handle array types specially for applying qualifiers to
11981         variables.
11982         * c-typeck.c (composite_type): Build unqualified element type and
11983         array type when forming composite of array types.
11984         (common_pointer_type, comptypes, comp_target_types,
11985         type_lists_compatible_p, build_indirect_ref, build_array_ref,
11986         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
11987         types.
11988         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
11989         (args2) in variables a1 and a2.
11990
11991 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
11992
11993         * cse.c (n_elements_made, max_elements_made): Remove.
11994         (insert): Don't touch n_elements_made.
11995         (cse_main): Don't touch n_elements_made or max_elements_made.
11996
11997 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
11998
11999         PR target/15384
12000         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
12001         configuration part of dp-bit.c to be lost.
12002
12003 2005-01-28  Roger Sayle  <roger@eyesopen.com>
12004
12005         * expmed.c (expand_mult_highpart_optab): When attempting to use
12006         a non-widening multiplication in a wider mode, the operands need
12007         to be converted (zero or sign extended) to that mode.
12008
12009 2005-01-28  Ian Lance Taylor  <ian@airs.com>
12010
12011         PR middle-end/16558
12012         PR middle-end/19583
12013         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12014         through if both operands fall through.
12015
12016 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12017
12018         * cse.c (fold_rtx) <PC>: Don't optimize.
12019
12020 2005-01-28  Jeff Law  <law@redhat.com>
12021
12022         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12023         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12024
12025 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12026
12027         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
12028         cse_reg_info_used_list_end): Remove.
12029         (cse_reg_info_list, cse_reg_info_list_free): New.
12030         (get_cse_reg_info): When allocating an instance of
12031         cse_reg_info, add it to the beginning of the cse_reg_info_list
12032         list.  Remove code to maintain cse_reg_info_used_list.
12033         (new_basic_block): Reset the free list to the beginning of
12034         cse_reg_info_list.
12035
12036 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
12037
12038         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
12039         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
12040         (frv_expand_mdpackh_builtin): New function.
12041         (frv_expand_builtin): Use it to expand __MDPACKH.
12042         * doc/extend.texi (__MDPACKH): Update documentation.
12043
12044 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12045
12046         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12047         SSE_FLOAT_MODE_P for use_sse computation.
12048
12049 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12050
12051         PR target/19663
12052         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12053
12054 2005-01-27  Richard Henderson  <rth@redhat.com>
12055
12056         * builtins.c (expand_builtin_copysign): New.
12057         (expand_builtin): Call it.
12058         * genopinit.c (optabs): Add copysign_optab.
12059         * optabs.c (init_optabs): Initialize it.
12060         (expand_copysign): New.
12061         * optabs.h (OTI_copysign, copysign_optab): New.
12062         (expand_copysign): Declare.
12063
12064         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12065         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
12066
12067         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
12068         (ix86_expand_fp_absneg_operator): ... here.
12069         (ix86_split_copysign): New.
12070         * config/i386/i386-protos.h: Update.
12071         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
12072         (copysignsf3, copysigndf3): New.
12073
12074         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
12075         (copysignsf3, ncopysignsf3): New.
12076         (copysigndf3, ncopysigndf3): New.
12077         (copysignxf3, ncopysignxf3): New.
12078         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
12079
12080 2005-01-27  Arend Bayer  <arend.bayer@web.de>
12081             Kazu Hirata  <kazu@cs.umass.edu>
12082
12083         * cse.c: (find_best_addr): Don't call copy_rtx before calling
12084         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
12085         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
12086         NULL_RTX.
12087
12088 2005-01-27  Jeff Law  <law@redhat.com>
12089
12090         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
12091         definitions of SSA_NAMEs which are not being rewritten.
12092         (rewrite_ssa_into_ssa): Only initialize the current definition
12093         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
12094         If checking is enabled, assert that SSA_NAME_AUX is clear for all
12095         SSA_NAMEs before returning.
12096
12097 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
12098
12099         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
12100         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
12101         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
12102         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
12103         config/mips/iris6.h, config/sh/sh.c: Update copyright.
12104
12105 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12106
12107         PR middle-end/17278
12108         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
12109         higher to -O2 and higher.  Likewise for tree PRE.
12110         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
12111         and better.
12112
12113 2005-01-27  Ian Lance Taylor  <ian@airs.com>
12114
12115         PR middle-end/19583
12116         * gimple-low.c (try_catch_may_fallthru): New static function.
12117         (block_may_fallthru): Handle TRY_CATCH_EXPR.
12118         * tree-inline.c (expand_call_inline): Don't warn about reaching
12119         the end of a non-void function being inlined if the function uses
12120         a return slot.
12121
12122 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
12123
12124         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
12125
12126         PR c/18946
12127         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
12128         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
12129         (implicitly_declare): Handle error_mark_node.
12130
12131 2005-01-27  Richard Henderson  <rth@redhat.com>
12132
12133         PR tree-opt/14329
12134         * tree.h (struct tree_decl): Add debug_expr_is_from.
12135         (DECL_DEBUG_EXPR_IS_FROM): New.
12136         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
12137         * dwarf2out.c (dwarf2out_var_location): Update to match.
12138         * tree-outof-ssa.c (create_temp): Likewise.
12139         * var-tracking.c (track_expr_p): Likewise.
12140         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
12141         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
12142         * toplev.c (default_tree_printer): Likewise.
12143
12144 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
12145
12146         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
12147         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
12148
12149 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12150
12151         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
12152         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
12153         ASM_CLOBBERS): Add tree checks.
12154
12155         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
12156         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
12157         * c-common.def (SWITCH_STMT): Update to match.
12158         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
12159         macros instead of SWITCH_EXPR ones.
12160         * c-dump.c (c_dump_tree): Likewise.
12161         * c-gimplify.c (gimplify_switch_stmt): Likewise.
12162         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
12163
12164         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
12165
12166 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
12167
12168         * unwind-dw2.c (execute_stack_op): Add missing cases for
12169         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
12170
12171 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12172
12173         * config.gcc (Obsolete configurations): Remove 'dummy', add
12174         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
12175         sparc-*-openbsd*.
12176
12177 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
12178
12179         PR tree-optimization/19633
12180         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
12181         CALL_EXPRs.
12182         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
12183         are no call-clobbered variables.
12184         * tree-outof-ssa.c (check_replaceable): Return false for calls
12185         with side-effects.
12186
12187 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
12188
12189         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
12190         even for variables with NULL DECL_INITIAL.
12191
12192 2005-01-26  Stuart Hastings  <stuart@apple.com>
12193
12194         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
12195
12196 2005-01-26  Richard Henderson  <rth@redhat.com>
12197
12198         PR middle-end/18008
12199         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12200         field's type.
12201         * expr.c (store_field): Strip conversions to odd-bit-sized types
12202         if the destination field width matches.
12203
12204 2005-01-26  Richard Henderson  <rth@redhat.com>
12205
12206         * c-decl.c, expmed.c, expr.c: Revert last change.
12207
12208 2005-01-26  Richard Henderson  <rth@redhat.com>
12209
12210         PR middle-end/18008
12211         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12212         field's type.
12213         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
12214         if we don't need the bits above those present in the current mode.
12215         * expr.c (store_field): Strip conversions to odd-bit-sized types
12216         if the destination field width matches.
12217
12218 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12219
12220         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12221         either -ffast-math or -funsafe-math-optimizations is in use.
12222
12223 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12224
12225         PR target/19293
12226         PR target/19329
12227         * config/avr/avr.c (notice_update_cc): Only set condition code for
12228         ashrqi3 if shift count > 0.
12229         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
12230         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
12231         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
12232         count <= 0 as a no-op, and shift count >= width by copying zero
12233         or sign bit to all bits of the result.
12234         * config/avr/avr.md (all shifts): Add alternatives for zero shift
12235         count, with attribute "length" set to 0 and "cc" set to "none".
12236
12237 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12238
12239         * doc/invoke.texi: Document -mTLS.
12240
12241         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
12242         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
12243         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
12244         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
12245         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
12246         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
12247         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
12248         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
12249
12250         * configure.ac: Check for a TLS capable gas.
12251
12252         * configure: Regenerate.
12253
12254 2005-01-26  Richard Henderson  <rth@redhat.com>
12255
12256         PR middle-end/18008
12257         * combine.c (make_field_assignment): Simplify store to zero_extract
12258         from a source with an overlapping mask.
12259
12260 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12261
12262         2004-11-11  Eric Christopher  <echristo@redhat.com>
12263
12264         * config/frv/frv.md: Add fr400_integer automaton. Don't
12265         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
12266         to TYPE_MACC.
12267
12268 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12269
12270         PR middle-end/16585
12271         * cfgbuild.c (make_edges): Do not clear or set
12272         current_function_has_computed_jump.
12273         * function.h (struct function): Remove the has_computed_jump field.
12274         (current_function_has_computed_jump): Do not define.
12275         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
12276         in a computed jump.  Ignore current_function_has_computed_jump.
12277
12278 2005-01-26  Richard Henderson  <rth@redhat.com>
12279
12280         PR middle-end/19515
12281         * expr.c (categorize_ctor_elements): New argument p_must_clear.
12282         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
12283         fully initialized.
12284         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
12285         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
12286         objects into static storage if they have more than one non-zero value.
12287         * tree.h (categorize_ctor_elements): Update decl.
12288
12289 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12290
12291         PR middle-end/19616
12292         * tree.h (CALL_EXPR_TAILCALL): Add comment.
12293         * calls.c (check_sibcall_argument_overlap_1): Revert the change
12294         to this function from 2004-07-10.
12295         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
12296         the current function for tail call optimizations if the address
12297         of one of it its arguments is taken.
12298
12299 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12300
12301         * cse.c (fold_rtx): Call equiv_constant only when necessary.
12302
12303 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
12304
12305         * function.c (expand_function_end): If current_function_calls_alloca,
12306         emit stack restore in a place that is reached when the function falls
12307         through at the end.
12308
12309 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
12310
12311         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
12312         rule to avoid matching inappropriate suffix rule.
12313
12314 2005-01-26  Jan Hubicka  <jh@suse.cz>
12315
12316         PR tree-optimization/19241
12317         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
12318
12319 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12320
12321         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
12322         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
12323         of doubling.
12324         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
12325         <sim*>: Always use crt1.o, regardless of N in simN.
12326         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12327         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
12328         (CRT_CALL_STATIC_FUNCTION): Remove.
12329         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
12330         use crt1.o, regardless of N in simN.
12331         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12332         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
12333         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
12334         case isystem setting.
12335         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
12336
12337 2005-01-25  Ian Lance Taylor  <ian@airs.com>
12338
12339         * gimple-low.c (block_may_fallthru): Correct handling of
12340         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
12341
12342 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12343
12344         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
12345         handlers to match indentation; nested under the mtune=* handler.
12346         Similar for mcpu= and march=.
12347
12348 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
12349
12350         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
12351         * config/mips/linux64.h (LIB_SPEC): Likewise.
12352         * config/mn10300/linux.h (LIB_SPEC): Likewise.
12353         * config/sh/linux.h (LIB_SPEC): Likewise.
12354
12355 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
12356
12357         * config/frv/frv.c (frv_legitimize_tls_address): New.
12358         (TARGET_HAVE_TLS): Define.
12359         (FRV_SYMBOL_REF_TLS_P): Define.
12360         (frv_override_options): Handle new register classes.
12361         (frv_legitimate_address_p): Reject tls addresses.
12362         (frv_legitimize_address): Handle TLS addresses.
12363         (gen_inlined_tls_plt): New.
12364         (gen_tlsmoff): New.
12365         (frv_legitimize_tls_address): New.
12366         (unspec_got_name): Add TLS entries.
12367         (got12_operand): Add R_FRV_TLSMOFF12 case.
12368         (frv_emit_move): Fixup TLS addresses.
12369         (frv_emit_movsi): Legitimize TLS addresses.
12370
12371         * config/frv/frv.h (MASK_BIG_TLS): New.
12372         (TARGET_BIG_TLS): New.
12373         (HAVE_AS_TLS): Define.
12374         (TARGET_SWITCHES): Add -mTLS and -mtls options.
12375         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
12376         (REG_CLASS_NAMES): Same.
12377         (REG_CLASS_CONTENTS): Same.
12378         (CONSTRAINT_LEN): New.
12379         (REG_CLASS_FROM_CONSTRAINT): New.
12380         (PREDICATE_CODES): Add symbolic_operand.
12381
12382         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
12383         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
12384         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
12385         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
12386         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
12387         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
12388         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
12389         GR9_REG, GR14_REG, LRREG.
12390         (type): Add load_or_call attribute.
12391         ("load_or_call"): New reservation.
12392         ("call_gettlsoff"): New.
12393         ("tls_indirect_call"): New.
12394         ("tls_load_gottlsoff12"): New.
12395         ("tlsoff_hilo"): New.
12396         ("tls_tlsdesc_ldd"): New.
12397         ("tls_tlsoff_ld"): New.
12398         ("tls_lddi"): New.
12399
12400         * config/frv/frv-protos.h (symbolic_operand): Protoize.
12401
12402         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
12403
12404         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
12405         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
12406         * config/frv/frv.c (TLS_BIAS): Define.
12407         (frv_output_dwarf_dtprel): New.
12408
12409 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
12410
12411         PR rtl-optimization/19579
12412         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
12413         both A and B, see if they don't clobber registers the other expr uses.
12414
12415 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
12416
12417         * real.c (do_add): Initialize signalling and canonical members.
12418
12419         * real.c (real_from_integer): Zero out destination.
12420
12421 2005-01-18  Jan Hubicka  <jh@suse.cz>
12422
12423         PR tree-optimize/19337
12424         * tree-inline.c (initialize_inlined_parameters): Copy
12425         saved_static_chain_decl only.
12426
12427 2005-01-25  Richard Henderson  <rth@redhat.com>
12428
12429         PR target/19556
12430         PR target/19584
12431         * config/i386/i386.c (x86_inter_unit_moves): Zero.
12432         (ix86_preferred_reload_class): Rewrite fp-constant section, with
12433         80387 enabled, to return a proper subclass.  Return the subset that
12434         overlaps with GENERAL_REGS for PLUS.
12435         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
12436
12437 2005-01-25  Richard Henderson  <rth@redhat.com>
12438
12439         PR middle-end/19609
12440         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
12441
12442 2005-01-25  Roger Sayle  <roger@eyesopen.com>
12443
12444         * expmed.c (choose_multiplier): Change interface to return the
12445         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
12446         (expand_divmod): Update calls to choose_multiplier.
12447
12448 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12449
12450         PR middle-end/19330
12451         * expmed.c (extract_bit_field): Use adjust_address instead of
12452         gen_lowpart when op0 is a MEM.
12453
12454 2005-01-24  Steven Bosscher  <stevenb@suse.de>
12455
12456         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
12457
12458 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12459
12460         * config/mips/irix-csr.c: New file.
12461         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12462         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12463         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12464         executables.
12465
12466 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
12467
12468         PR bootstrap/19364
12469         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
12470         sparc/elf.h, add sparc/sp-elf.h.
12471         (sparc-*-rtems*): Likewise.
12472         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
12473         tm-dwarf2.h, add sparc/sp-elf.h.
12474         (sparc86x-*-elf): Likewise.
12475         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
12476         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
12477         TARGET_OS_CPP_BUILTINS.
12478         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12479         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12480         Undefine it.
12481         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
12482         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
12483         (SWITCH_TAKES_ARG): Likewise.
12484         (LOCAL_LABEL_PREFIX): Likewise.
12485         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
12486         (TARGET_N_FORMAT_TYPES): Delete.
12487         (TARGET_FORMAT_TYPES): Likewise.
12488         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
12489         * config/sparc/elf.h: Delete.
12490         * config/sparc/sp-elf.h: New file.
12491
12492 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
12493
12494         * tree-flow-inline.h (phi_arg_from_edge): Remove.
12495         * tree-flow.h: Remove the corresponding prototype.
12496         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
12497         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
12498
12499 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12500
12501         PR target/17751
12502         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
12503         for AIX ABI or ELF -fPIC.
12504         (rs6000_emit_load_toc_table): Don't create toc_section here.
12505         (rs6000_xcoff_file_start): Nor here.
12506
12507 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
12508
12509         * sh.c (ra.h): Don't #include.
12510         (hard_regs_intersect_p): New function, resurrected from ra.c.
12511
12512         * sh.c: Fix 1996 Copyright.
12513
12514 2005-01-24  Richard Henderson  <rth@redhat.com>
12515             Aldy Hernandez  <aldyh@redhat.com>
12516
12517         * regrename.c (note_sets): Handle subregs.
12518
12519 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
12520
12521         PR bootstrap/18058
12522         * genconditions.c (write_header, write_conditions): Elide file if
12523         not GCC >= 3.0.1.
12524
12525 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
12526
12527         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
12528         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
12529         Update copyright.
12530
12531 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12532
12533         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
12534         expand_builtin_printf, expand_builtin_fprintf,
12535         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
12536         checking against POINTER_TYPE.
12537         (validate_arglist): Handle POINTER_TYPE code by checking
12538         POINTER_TYPE_P.
12539
12540 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
12541
12542         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
12543         init_rtlanal): New.
12544         (for_each_rtx): Call for_each_rtx_1.
12545         * rtl.h (init_rtlanal): Declare.
12546         * toplev.c (backend_init): Call init_rtlanal.
12547
12548 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
12549
12550         * flow.c (propagate_one_insn): Formatting.
12551
12552         PR middle-end/19551
12553         * flow.c (libcall_dead_p): Be more conservative if unsure.
12554         If there are any instructions between insn and call, see if they are
12555         all dead before saying the libcall is dead.
12556
12557 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
12558
12559         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
12560         operand constraint for operand 0.
12561
12562 2005-01-23  Richard Henderson  <rth@redhat.com>
12563
12564         PR 19486
12565         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
12566         edges leading to join block.
12567
12568 2005-01-23  Roger Sayle  <roger@eyesopen.com>
12569
12570         * expmed.c (expand_mult_highpart): Make static.  Change type of
12571         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
12572         (expand_divmod): Updates calls to expand_mult_highpart by using
12573         gen_int_mode to pass a CONST_INT rtx.
12574         * rtl.h (expand_mult_highpart): Remove prototype.
12575
12576 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12577
12578         * flow.c (regset_bytes, regset_size): Remove.
12579
12580         * cfganal.c: Fix a reference to Harvey's paper.
12581
12582 2005-01-23  Steven Bosscher  <stevenb@suse.de>
12583
12584         PR rtl-optimization/19464
12585         * tree-optimize.c (init_tree_optimization_passes): Add one more
12586         copyrename pass just before out-of-ssa.
12587
12588 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
12589
12590         PR bootstrap/18058
12591         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
12592         * ggc-none.c (ggc_free): Define.
12593
12594 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12595
12596         * cse.c (max_reg, max_insn_uid): Remove.
12597         (cse_main): Don't access max_reg or max_insn_uid.
12598
12599         * c-common.c (explicit_flag_signed_bitfields,
12600         lang_statement_code_p, lang_expand_function_end): Remove.
12601         * c-common.h: Remove the corresponding declarations.
12602         * c-opts.c (c_common_handle_option): Remove all write access
12603         to explicit_flag_signed_bitfields.
12604
12605         * cgraph.c (cgraph_varpool_n_nodes): Remove.
12606         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
12607         * cgraph.h: Remove the corresponding declaration.
12608
12609         * gcse.c (null_pointer_info): Remove.
12610
12611 2005-01-23  Roger Sayle  <roger@eyesopen.com>
12612             Eric Botcazou  <ebotcazou@libertysurf.fr>
12613
12614         * combine.c (simplify_logical): Only simplify logical expressions
12615         of the form ior(and(x,y),z) by the inverse distributive law if the
12616         result is cheaper than the original.
12617
12618 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
12619
12620         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
12621         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
12622         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
12623         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
12624         config/freebsd-spec.h, config/arm/arm.h,
12625         config/h8300/h8300.md, config/i386/i386.md,
12626         config/i386/predicates.md, config/i386/sse.md,
12627         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
12628         config/vax/vax.md: Fix comment typos.  Follow spelling
12629         conventions.
12630
12631 2005-01-23  Steven Bosscher  <stevenb@suse.de>
12632
12633         * gengtype.c (walk_type): Produce `not equal to' compares for loop
12634         tests, instead of `less than'.
12635
12636 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
12637
12638         * function.c (assign_parm_setup_block): When creating a new stack slot
12639         for a parameter, get its alignment from the parameter's DECL_ALIGN
12640         rather than the type's TYPE_ALIGN.  Make sure that the parameter
12641         is at least word aligned.
12642
12643 2005-01-22  Roger Sayle  <roger@eyesopen.com>
12644
12645         PR middle-end/19378
12646         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
12647
12648 2005-01-22  Richard Henderson  <rth@redhat.com>
12649
12650         PR target/19506
12651         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
12652         in both compare operands.
12653         (movdfcc_1_sse_max): Likewise.
12654         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
12655         (movdfcc_1_sse): Likewise.
12656         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
12657         scratch register as needed.
12658
12659 2005-01-22  Richard Henderson  <rth@redhat.com>
12660
12661         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
12662
12663         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
12664
12665 2005-01-22  Richard Henderson  <rth@redhat.com>
12666
12667         * genopinit.c (optabs): Use smin/smax for floating point too.
12668         * doc/md.texi: Update to match.  Clarify that floating point
12669         results are undefined for +0/-0 and NaN.
12670         * doc/rtl.texi: Likewise.
12671         * rtl.def (SMIN, SMAX): Likewise
12672         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
12673
12674         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
12675         leading 's' to the name.
12676         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
12677         smaxxf3, sminxf3): Likewise.
12678         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
12679         Likewise.
12680
12681 2005-01-22  Paul Brook  <paul@codesourcery.com>
12682
12683         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
12684
12685 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
12686
12687         * config/s390/s390.c (struct processor_costs): New fields
12688         dlgr, dlr, dr, dsgfr, dsgr.
12689         (z900_cost, z990_cost): Values for new fields.
12690         (s390_rtx_costs): New cases MEM und COMPARE in switch
12691         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
12692         DIV, MOD, UDIV, UMOD.
12693
12694 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
12695
12696         * config/s390/s390.md ("doloop_si64"): Reload input value directly
12697         into the register being decremented.
12698         ("doloop_si31", "doloop_di"): Likewise.
12699         ("*doloop_si_long"): Adapt pattern.
12700
12701 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
12702
12703         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
12704         access registers.
12705         (CLASS_MAX_NREGS): Likewise.
12706
12707 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
12708
12709         * doc/tree-ssa.texi (Statement Operands): Add example for new
12710         must-def macro. Note deprecation of old operands interface.
12711
12712 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
12713
12714         PR tree-optimization/19484
12715         * tree-cfg.c (remove_fallthru_edge): New function.
12716         (cleanup_control_flow): Remove fallthru edges from calls that are
12717         now known not to return.
12718
12719 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
12720
12721         Fix PR tree-optimization/19038
12722         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
12723         copies with loop variant ones.
12724
12725 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
12726
12727         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
12728         config/alpha/alpha-protos.h, config/alpha/alpha.h,
12729         config/alpha/alpha.md, config/alpha/predicates.md,
12730         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
12731         config/sparc/sol2.h: Update copyright.
12732
12733         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
12734         first label to see if it is a nonlocal label.
12735
12736 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
12737             Andrew Pinski  <pinskia@physics.uc.edu>
12738
12739         PR target/19491
12740         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
12741         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
12742
12743 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
12744
12745         * config/rs6000/rtems.h: Update copyright.
12746
12747 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
12748
12749         PR target/19548
12750         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
12751         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
12752         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
12753
12754 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12755
12756         PR c/18809
12757         * c-typeck.c (convert_arguments): Check for error_mark_node.
12758
12759 2005-01-21  Ian Lance Taylor  <ian@airs.com>
12760
12761         PR tree-optimization/13000
12762         * tree-inline.c: Include "tree-flow.h".
12763         (expand_call_inline): If warn_return_type, warn if non-void inline
12764         function falls through.
12765         * tree-cfg.c (execute_warn_function_return): Don't warn about
12766         control reaching end if TREE_NO_WARNING is set.  Set
12767         TREE_NO_WARNING.
12768         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
12769         has been lowered.
12770         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
12771         branch if we don't need one.
12772         * c-typeck.c: Include "tree-flow.h"
12773         (c_finish_bc_stmt): Don't add a goto if the current statement
12774         list doesn't fall through to the current point.
12775
12776 2005-01-21  Roger Sayle  <roger@eyesopen.com>
12777
12778         PR rtl-optimization/576
12779         * real.c (real_arithmetic): Change return type from void to bool
12780         to return an indication that the result may be inexact.
12781         * real.h (real_arithmeric): Update prototype.
12782         * fold-const.c (const_binop):  Don't constant fold floating
12783         point expressions when the user specifies -frounding-math and
12784         the result may depend upon the run-time rounding mode.
12785         (fold_convert_const_real_from_real): Clean-up.
12786         (fold_initializer): Ignore flag_rounding_math for initializers.
12787         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
12788         constant fold FP operations with flag_rounding_math if the
12789         result may depend upon the run-time rounding mode.
12790
12791 2005-01-21  Tom Tromey  <tromey@redhat.com>
12792
12793         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
12794
12795 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
12796
12797         * tree-cfg.c: Fix comment typos.
12798
12799 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
12800
12801         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
12802         around the call to rest_of_handle_branch_target_load_optimize.
12803
12804 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12805
12806         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
12807         (sparc64-*-openbsd*): Likewise.
12808         (sparclite-*-elf*): Include tm-dwarf2.h.
12809         (sparc86x-*-elf*): Likewise.
12810         (sparc64-*-elf*): Likewise.
12811         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
12812         (DBX_DEBUGGING_INFO): Likewise.
12813         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
12814         (PREFERRED_DEBUGGING_TYPE): Likewise.
12815         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
12816         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
12817         (PREFERRED_DEBUGGING_TYPE): Likewise.
12818         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
12819         (PREFERRED_DEBUGGING_TYPE): Likewise.
12820         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
12821
12822 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
12823
12824         PR target/18701
12825         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
12826
12827 2005-01-20  Paul Brook  <paul@codesourcery.com>
12828
12829         * doc/rtl.texi: Document value extension requirements for CONST_INT.
12830
12831 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12832
12833         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
12834         label is first in a sequence of labels.
12835
12836         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
12837
12838 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
12839             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
12840
12841         * doc/sourcebuild.texi (Test Directives): New.
12842
12843 2005-01-20  Roger Sayle  <roger@eyesopen.com>
12844
12845         * real.c (real_floor): Don't leave the result uninitialized when
12846         mode is VOIDMode, but return the unrounded intermediate value.
12847         (real_ceil): Likewise.
12848
12849 2005-01-20  Paul Brook  <paul@codesourcery.com>
12850
12851         * config/arm/arm.md (insv): Use gen_int_mode.
12852
12853 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
12854
12855         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
12856         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12857         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12858         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12859         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12860
12861 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
12862
12863         Fix PR debug/19124
12864         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
12865         fbreg, so we have to assume we can't.
12866         (loc_descriptor_from_tree_1): Ditto.
12867         (containing_function_has_frame_base): New function.
12868         (add_location_or_const_value_attribute): Use it.
12869         Also try to generate a frame_base from a single element location
12870         list.
12871
12872 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12873
12874         PR tree-optimization/15349
12875         * timevar.def (TV_TREE_MERGE_PHI): New.
12876         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
12877         PHI_WANTED.
12878         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
12879         calls to tree_forwarder_block_p.
12880         (remove_forwarder_block_with_phi, merge_phi_nodes,
12881         gate_merge_phi, pass_merge_phi): New.
12882         * tree-optimize.c (init_tree_optimization_passes): Add
12883         pass_merge_phi.
12884         * tree-pass.h: Add an extern for pass_merge_phi;
12885
12886 2005-01-20  Richard Henderson  <rth@redhat.com>
12887
12888         PR target/19418
12889         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
12890         (_mm_castps_pd, _mm_castps_si128): New.
12891         (_mm_castsi128_ps, _mm_castsi128_pd): New.
12892
12893 2005-01-20  Richard Henderson  <rth@redhat.com>
12894
12895         PR target/19530
12896         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
12897         __builtin_ia32_vec_init_v2si.
12898         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
12899         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
12900         (ix86_init_mmx_sse_builtins): Create it.
12901         (ix86_expand_builtin): Expand it.
12902         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
12903         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
12904         (vec_extractv2si_0, vec_extractv2si_1): New.
12905
12906 2005-01-20  Richard Henderson  <rth@redhat.com>
12907
12908         PR target/16533
12909         * config/i386/i386.c (ix86_expand_push): New.
12910         * config/i386/mmx.md (push<MMXMODE>1): New.
12911         * config/i386/sse.md (push<SSEMODE>1): New.
12912         * config/i386/i386-protos.h: Update.
12913
12914 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12915
12916         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
12917         copyright.
12918
12919 2005-01-20  Richard Henderson  <rth@redhat.com>
12920
12921         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
12922         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
12923
12924 2005-01-19  Richard Henderson  <rth@redhat.com>
12925
12926         PR target/19350
12927         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
12928         to V4SFmode in SSE1 fallback load path.
12929
12930 2005-01-19  Richard Henderson  <rth@redhat.com>
12931
12932         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
12933         in QImode expansion to ix86_expand_vector_set.
12934         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
12935
12936 2005-01-19  Richard Henderson  <rth@redhat.com>
12937
12938         PR target/19511
12939         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
12940         subclass of the input class.
12941         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
12942         Always true for cross-SSE1 classes.  Rationalize conditionals.
12943         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
12944         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
12945         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
12946         (movdi_2): Add MMX/SSE zeros.
12947         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
12948         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
12949         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
12950         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
12951         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
12952         (zero_extendsidi2_rex64_1): Remove.
12953         (MOV0 peephole): Check GENERAL_REG_P.
12954
12955 2005-01-19  Richard Henderson  <rth@redhat.com>
12956
12957         PR target/19427
12958         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
12959         shufps elements.
12960         (ix86_expand_vector_extract): Likewise.
12961
12962 2005-01-19  Richard Henderson  <rth@redhat.com>
12963
12964         PR middle-end/19304
12965         * expr.c (emit_move_change_mode): New argument force; use
12966         simplify_gen_subreg if true.
12967         (emit_move_via_alt_mode): Merge into ...
12968         (emit_move_via_integer): ... here.
12969         (emit_move_ccmode): Use emit_move_change_mode directly.
12970
12971 2005-01-19  Richard Henderson  <rth@redhat.com>
12972
12973         PR target/19518
12974         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
12975         (alpha_preferred_reload_class): Handle CONST_VECTOR.
12976         (alpha_emit_set_const_1): Add no_output parameter; don't emit
12977         rtl if true.
12978         (alpha_emit_set_const): Likewise.  Make static.
12979         (alpha_emit_set_long_const): Make static.
12980         (alpha_extract_integer): Split out from alpha_expand_mov.
12981         (alpha_split_const_mov): Likewise.
12982         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
12983         (alpha_legitimate_constant_p): New.
12984         * config/alpha/alpha-protos.h: Update.
12985         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
12986         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
12987         * config/alpha/alpha.md (movsi): Add n alternative.
12988         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
12989         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
12990         (splitters for all of the above): Use alpha_split_const_mov.
12991         * config/alpha/predicates.md (non_add_const_operand): New.
12992         (non_zero_const_operand): New.
12993         (input_operand): Use alpha_legitimate_constant_p after reload.
12994
12995 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
12996
12997         PR tree-optimization/19038
12998         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
12999         (add_candidate): Add ivs with increment in latch only if
13000         allow_ip_end_pos_p is true.
13001         (determine_iv_cost): Use empty_block_p.
13002
13003 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13004
13005         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13006         (compute_dominance_frontiers): Ditto.
13007
13008 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13009
13010         PR target/19529
13011         * config/sh/t-rtems: New.
13012         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13013
13014 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13015
13016         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13017         the offset of the selected field.
13018
13019 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
13020
13021         * tree-cfg.c (remove_forwarder_block): Fix the check to
13022         prevent a nonlocal label from appearing in the middle of a
13023         basic block.
13024
13025 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13026
13027         PR rtl-optimization/19462
13028         * reorg.c (find_end_label): Create return insn only if
13029         current_function_epilogue_delay_list is empty.
13030
13031 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13032
13033         * doc/passes.texi: Remove paragraph mentioning new-ra.
13034
13035 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
13036
13037         PR rtl-optimization/15139
13038         * combine.c: Include params.h.
13039         (count_rtxs): New function.
13040         (record_value_for_reg): If replace_rtx would replace at least
13041         2 occurrences of REG in VALUE and TEM is really large, replace REG with
13042         (clobber (const_int 0)) instead of TEM.
13043         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
13044         * params.h (MAX_LAST_VALUE_RTL): New.
13045         * Makefile.in (combine.o): Depend on $(PARAMS_H).
13046         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
13047
13048         PR c/17297
13049         * c-typeck.c (digest_init): Only call build_vector if all constructor
13050         elements are *_CST nodes.
13051         * gimplify.c (gimplify_init_constructor): Likewise.
13052
13053         PR middle-end/19164
13054         * c-typeck.c (digest_init): Only call build_vector if inside_init
13055         is a CONSTRUCTOR.
13056
13057 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13058
13059         * toplev.c (init_asm_output): Remove dead #ifdef.
13060
13061 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13062
13063         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13064
13065 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13066
13067         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
13068         accessing DECL_FUNCTION_CODE.
13069         * dojump.c (do_jump): Likewise.
13070         * gimplify.c (gimplify_call_expr): Likewise.
13071         * predict.c (expr_expected_value): Likewise.
13072         (strip_builtin_expect): Likewise.
13073         * tree-inline.c (estimate_num_insns_1): Likewise.
13074         * tree-ssa-loop-im.c (stmt_cost): Likewise
13075         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
13076         (tree_expr_nonnegative_p): Likewise.
13077
13078 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13079
13080         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
13081         variant of the load_pcrel_sym pattern.
13082         * config/sparc/sparc.md (P macro): Move to the top.
13083         (load_pcrel_sym): Macroize using P.
13084         (save_register_window): Likewise.
13085
13086 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
13087
13088         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
13089         ("sordered"): Same.
13090
13091 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
13092
13093         PR C/19472
13094         * c-typeck.c (build_asm_expr): Strip nops off
13095         input memory operands.
13096
13097 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
13098
13099         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
13100         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
13101         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
13102         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
13103
13104 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
13105
13106         PR target/19379
13107         * config/i386/i386.c (override_options): If the 80387 is disabled,
13108         then do not return FP values using FP registers.
13109
13110 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
13111
13112         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
13113         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
13114         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
13115         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
13116         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
13117         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
13118         output.h, postreload-gcse.c, postreload.c, recog.c,
13119         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
13120         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
13121         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
13122         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
13123         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
13124         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
13125         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
13126         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
13127
13128         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
13129         config/alpha/alpha.c, config/arm/vfp.md,
13130         config/i386/emmintrin.h, config/i386/i386-modes.def,
13131         config/i386/i386-protos.h, config/i386/i386.h,
13132         config/i386/pmmintrin.h, config/i386/ppro.md,
13133         config/i386/predicates.md, config/i386/xmmintrin.h,
13134         config/i860/i860.c, config/ia64/ia64-modes.def,
13135         config/ia64/ia64-protos.h, config/ia64/ia64.h,
13136         config/ia64/ia64.md, config/ia64/itanium1.md,
13137         config/ia64/itanium2.md, config/ia64/predicates.md,
13138         config/iq2000/iq2000.h, config/mips/linux64.h,
13139         config/rs6000/aix41.h, config/rs6000/aix43.h,
13140         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
13141         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
13142         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
13143         config/sparc/linux64.h, config/sparc/litecoff.h,
13144         config/sparc/sp64-elf.h, config/sparc/sparc.c,
13145         config/sparc/sparc.h, config/sparc/sparc.md,
13146         config/sparc/sysv4-only.h: Update copyright.
13147
13148 2005-01-18  Richard Henderson  <rth@redhat.com>
13149
13150         PR target/19496
13151         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
13152
13153 2005-01-18  Marc Espie  <espie@openbsd.org>
13154         * config/i386/openbsdelf.h: Typo.
13155
13156 2005-01-18  Richard Henderson  <rth@redhat.com>
13157
13158         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
13159         special case for sse.
13160         * config/i386/predicates.md (sse_comparison_operator): Likewise.
13161
13162 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
13163
13164         * tree-inline.c (estimate_num_insns_1): Added cases for
13165         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
13166
13167 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13168
13169         PR rtl-optimization/19296
13170         * combine.c (simplify_comparison): Rewrite the condition under
13171         which a non-paradoxical SUBREG of a PLUS can be lifted when
13172         compared against a constant.
13173
13174 2005-01-18  Andi Kleen <ak@muc.de>
13175
13176         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
13177         * c.opt (-Wpointer-sign): Add.
13178         * doc/invoke.texi: (-Wpointer-sign): Add.
13179
13180 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13181
13182         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
13183         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
13184         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
13185         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
13186         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
13187         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
13188         for TARGET_MIX_SSE_I387.
13189         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
13190         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
13191         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
13192         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
13193         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
13194         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
13195         TARGET_MIX_SSE_I387.
13196         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
13197         from expander.
13198
13199 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13200
13201         PR target/19424
13202         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
13203         Add movaps alternative for xmm reg->reg move.
13204
13205 2005-01-17  Jeff Law  <law@redhat.com>
13206
13207         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
13208         at the end of the main DOM loop rather than just before DOM exits.
13209
13210 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
13211
13212         PR tree-optimization/19121
13213         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
13214         adding aliases to a name tag, also add them to the pointer's
13215         type tag.
13216         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
13217         sensitive alias info at all.  Only check that the two pointers
13218         have compatible pointed-to sets.
13219         * tree-ssa.c (verify_name_tags): Verify that the alias set of
13220         a pointer's type tag is a superset of the alias set of the
13221         pointer's name tag.
13222
13223 2005-01-17  James E Wilson  <wilson@specifixinc.com>
13224
13225         PR target/19357
13226         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
13227         comment to document why.
13228
13229 2005-01-17  Richard Henderson  <rth@redhat.com>
13230
13231         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
13232         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
13233         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
13234         sse2_vmsminv2df3_finite): New.
13235         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
13236         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
13237         Force op1 into register.
13238
13239 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
13240
13241         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
13242         bubblestrap from always rebuilding build directory.
13243
13244 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
13245
13246         * config/s390/s390.md ("*clc"): Remove incorrect '='.
13247         ("*cmpmem_short"): Likewise.
13248
13249 2005-01-17  Steven Bosscher  <stevenb@suse.de>
13250
13251         * basic-block.h: Document BB_* flags.
13252         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
13253         use an sbitmap instead.
13254         * sched-rgn.c (compute_trg_info): Likewise.
13255
13256 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
13257
13258         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
13259         redundant target_cpu_default and extra_parts lines.  Use the default
13260         "from-abi" ISA.
13261         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
13262         (SUBTARGET_EXTRA_SPECS): Delete.
13263         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
13264         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
13265         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
13266         and "n32" for -mabi=n32.
13267
13268 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13269
13270         PR c/5675
13271         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
13272         fold constant variables into initial values.
13273
13274 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13275
13276         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
13277
13278         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
13279         through the statements backward.
13280
13281 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13282
13283         PR middle-end/13127:
13284         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
13285         a variable set to the return value of the inlined function.
13286
13287 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
13288
13289         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
13290         when modes are tieable.
13291
13292 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
13293
13294         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
13295         of pthread_create to find out if threads are enabled.
13296         * gthr-posix95.h (__gthread_active_p): Likewise.
13297
13298 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
13299
13300         * common.opt (-fnew-ra): Remove.
13301         * ra*.*: Remove.
13302         * toplev.h (flag_new_regalloc): Remove.
13303         * Makefile.in (ra*.*): Don't mention.
13304         * passes.c (rest_of_handle_new_regalloc): Remove.
13305         (rest_of_handle_combine, rest_of_compilation): Always consider
13306         flag_new_regalloc as false.
13307         * doc/invoke.texi: Don't document -fnew-ra.
13308
13309 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
13310
13311         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
13312         last parameter to reg_scan.
13313         * loop.c (loop_optimize): Likewise.
13314         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
13315         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
13316         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
13317         rest_of_handle_gcse, rest_of_handle_loop_optimize,
13318         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
13319         * regclass.c (reg_scan): Likewise, for the declaration.
13320         * rtl.h (reg_scan): Likewise, for the prototype.
13321
13322 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13323
13324         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
13325         mark_dfs_back_edges.
13326
13327 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
13328
13329         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
13330         (compute_avail): Uses don't go in tmp_gen.
13331
13332 2005-01-16  Steven Bosscher  <stevenb@suse.de>
13333
13334         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
13335         loop to look for a free slot in a page entry.
13336
13337 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13338
13339         PR target/16304
13340         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
13341         * toplev.c (compile_file): Call process_pending_assemble_output_defs
13342         just before targetm.asm_out.file_end.
13343         * tree.h (process_pending_assemble_output_defs): Declare.
13344         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
13345         New functions.
13346         (assemble_alias): Defer generation of assembly code for defines when
13347         TARGET_DEFERRED_OUTPUT_DEFS is true.
13348         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13349         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13350         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
13351
13352 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13353
13354         PR target/19336
13355         * pa.c (pa_scalar_mode_supported_p): New function.
13356         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13357         * pa.h (MIN_UNITS_PER_WORD): Add comment.
13358
13359         * pa-protos.h (prefetch_operand): Delete.
13360         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
13361         * pa.c (prefetch_operand): Delete.
13362         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
13363         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
13364         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
13365         and prefetch_nocc_operand.
13366         * pa.md (prefetch): Rework to avoid reload problems handling short
13367         displacements when a cache control completer needs to be provided.
13368         (prefetch_32, prefetch_64): Delete.
13369         (prefetch_cc, prefetch_nocc): New patterns.
13370
13371 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
13372
13373         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
13374
13375 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13376
13377         PR ada/19388
13378         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
13379         exceeds maximum alignment for global common data.
13380         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
13381         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
13382
13383 2004-01-15  Roger Sayle  <roger@eyesopen.com>
13384
13385         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
13386
13387 2004-01-15  Roger Sayle  <roger@eyesopen.com>
13388
13389         * harg-reg-set.h (reg_class_names): Prototype global array.
13390         * regclass.c (reg_class_names): Declare here and initialize to
13391         REG_CLASS_NAMES.
13392         (dump_regclass): Remove local declaration of reg_class_names.
13393         (regclass): Likewise.
13394         * cfg.c (dump_flow_info): Likewise.
13395         * ra-debug.c (reg_class_names): Likewise.
13396         * regrename.c (reg_class_names): Likewise.
13397         * reload.c (reg_class_names): Likewise.
13398         * reload1.c (spill_failure): Likewise.
13399         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
13400
13401 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
13402
13403         * config/s390/s390.md ("reload_outti"): Remove predicate for
13404         output operand.  Abort if operand is not a MEM.
13405         ("reload_outdi", "reload_outdf"): Likewise.
13406
13407 2005-01-15  Marc Espie  <espie@openbsd.org>
13408
13409         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
13410         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
13411         * config/openbsd.h:  Fix C++ includes for native configurations.
13412         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
13413         Add trampoline support.
13414         * config/i386/openbsdelf.h: New.
13415
13416 2005-01-15  Marc Espie  <espie@openbsd.org>
13417
13418         * collect2.c (main): Explicitly parse -dynamic-linker option.
13419
13420 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
13421
13422         PR tree-optimization/19060
13423         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
13424         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
13425         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
13426         and handle extract_range_from_cond returning false.
13427         * fold-const.c (fold): Optimize comparisons with min/max even for
13428         width > HOST_BITS_PER_WIDE_INT.
13429
13430 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
13431
13432         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
13433         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
13434         Remove little endian multilib variants.
13435         Add mips32 multilib variant.
13436
13437 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
13438
13439         * explow.c (copy_all_reg, stabilize): Remove.
13440         * expr.h: Remove the corresponding prototypes.
13441
13442         * rtlanal.c (regs_set_between_p): Remove.
13443         * rtl.h: Remove the corresponding prototype.
13444
13445 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
13446
13447         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
13448         to rs6000_nonimmediate_operand.
13449         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
13450         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
13451         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
13452         rs6000_nonimmediate_operand.
13453         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
13454         rs6000_nonimmediate_operand.
13455
13456 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
13457
13458         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
13459
13460 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13461
13462         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
13463         on e500v2.
13464         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
13465         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
13466
13467         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
13468         (rs6k_nonimmediate_operand): New.
13469         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
13470         correctly.
13471         (legitimate_lo_sum_address_p): Same.
13472         (rs6000_legitimize_address): Same.
13473         (rs6000_legitimize_reload_address): Same.
13474         (rs6000_legitimate_address): Same.
13475         (spe_build_register_parallel): Pass DF and DC modes in a DI
13476         register.
13477
13478         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
13479         to rs6k_nonimmediate_operand.
13480
13481         * config/rs6000/spe.md ("*frob_df_di"): New.
13482         ("*frob_di_df"): New.
13483         ("*frob_di_df_2"): New.
13484         ("*mov_sidf_e500_subreg0"): New.
13485         ("*mov_sidf_e500_subreg4"): New.
13486         ("*movdf_e500_double"): Change predicate to
13487         rs6k_nonimmediate_operand.
13488
13489 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13490
13491         * postreload.c (move2add_note_store): Only call
13492         trunc_int_for_mode on scalar integers.
13493
13494 2005-01-14  Steven Bosscher  <stevenb@suse.de>
13495
13496         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
13497         replace BB_VISITED uses.
13498         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
13499         (propagate_necessity): Check the bitmap instead of BB_VISITED.
13500         (tree_dce_done): Free visited_control_parents.
13501         (perform_tree_ssa_dce): Allocate and clear it.
13502         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
13503         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
13504         instead of BB_VISITED.
13505
13506 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
13507
13508         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
13509         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
13510         Remove unused prototypes.
13511
13512 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13513
13514         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
13515         64-bit register usage.
13516         (spe_func_has_64bit_regs_p): Add FIXME note.
13517
13518 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
13519
13520         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
13521         flag_finite_math_only with flag_unsafe_math_optimizations.
13522
13523 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
13524
13525         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
13526         end-of-stack check.
13527         (__tpf_eh_return): Copy TPF private stack area from the module
13528         boundary stack frame.  Add check for when module addresses are
13529         equal, but no stub address is found.
13530
13531 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
13532
13533         PR target/7525
13534         * arm.h (struct machine_function): Add call_via field.
13535         (thumb_call_via_label): Declare.
13536         * arm.c (thumb_call_via_label): New variable.
13537         (thumb_call_reg_needed): New variable.
13538         (arm_output_function_epilogue): For Thumb code, output any per-function
13539         call-indirect trampolines.
13540         (thumb_call_via_reg): New function.
13541         (arm_file_end): New function.
13542         (TARGET_ASM_FILE_END): Call arm_file_end.
13543         (aof_file_end): Likewise.
13544         * arm-protos.h (thumb_call_via_reg): Declare.
13545         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
13546         thumb_call_via_reg in normal case.
13547
13548 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
13549
13550         PR middle-end/19084
13551         PR rtl-optimization/19348
13552         * recog.c (peephole2_optimize): Do global life update if some peephole
13553         decides it doesn't need at least one of its inputs and that change
13554         influences liveness at the start of the basic block.
13555
13556         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
13557         arguments instead of 1.
13558
13559 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
13560
13561         PR middle-end/18820
13562         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
13563         zero for nested functions needing a static chain or functions
13564         with a non-constant address.
13565
13566 2005-01-13  Roger Sayle  <roger@eyesopen.com>
13567
13568         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
13569         (and (sign_extend X) C) into (zero_extend (and X C)).
13570
13571 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
13572
13573         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
13574
13575 2005-01-13  Richard Henderson  <rth@redhat.com>
13576
13577         PR target/19009
13578         PR target/19250
13579         PR target/19252
13580         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
13581         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
13582         not just TARGET_SSE.
13583         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
13584         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
13585         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
13586         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
13587         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
13588         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
13589         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
13590         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
13591         (movdicc_c_rex64): Rename with '*'.
13592         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
13593         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
13594         (movsfcc_1_387): Rename from movsfcc_1.
13595         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
13596         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
13597         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
13598         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
13599         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
13600         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
13601         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
13602         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
13603         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
13604         sse_movdfcc_const0_4): Remove.
13605         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
13606         recognize min/max early.  Update for changed sse cmove patterns.
13607         (ix86_split_sse_movcc): New.
13608         * config/i386/i386-protos.h: Update.
13609
13610 2005-01-13  Steven Bosscher  <stevenb@suse.de>
13611
13612         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
13613         (fix_stmt_v_may_defs): Likewise.
13614
13615 2005-01-13  Richard Henderson  <rth@redhat.com>
13616
13617         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
13618         for converting the mask.
13619
13620 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
13621
13622         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
13623         definition to 600.
13624
13625 2005-01-13  Richard Henderson  <rth@redhat.com>
13626
13627         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
13628         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
13629         IX86_BUILTIN_MOVDQ2Q): Remove.
13630         (IX86_BUILTIN_VEC_EXT_V4SI): New.
13631         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
13632         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
13633         shuffling.
13634         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
13635         (sse2_pextrw): Fix immediate constraint.
13636         (sse2_loadq, sse2_loadq_rex64): Remove.
13637         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
13638         Use __builtin_ia32_vec_ext_<size>.
13639         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
13640
13641 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
13642
13643         * function.c (assign_parm_setup_block): Look inside original
13644         entry_parm when inspecting PARALLEL.
13645
13646 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
13647             Joel Sherrill  <joel@oarcorp.com>
13648
13649         PR target/19399
13650         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
13651         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
13652         rtems_gxx_recursive_mutex_init.
13653         (__gthread_recursive_mutex_lock): New function.
13654         (__gthread_recursive_mutex_trylock): Likewise.
13655         (__gthread_recursive_mutex_unlock): Likewise.
13656
13657 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
13658
13659         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
13660
13661 2005-01-13  Jan Beulich  <jbeulich@novell.com>
13662
13663         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
13664         (ashrti3_internal): Indicate output is early clobber. Generate result
13665         into output rather than first input. Use move for low word of output
13666         if shift count is exactly 64.
13667         (lshrti3_internal): Likewise.
13668
13669 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
13670
13671         PR target/18329
13672         PR target/18330
13673         * reload1.c (delete_output_reload): Don't delete an output reload
13674         if the pseudo lives longer than a single basic block.  Adjust and
13675         improve wording of comment.
13676
13677 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
13678
13679         PR target/19334
13680         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
13681         of TYPE_SIZE where we mean the number of bytes.
13682
13683 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
13684
13685         * function.c (assign_parm_setup_block): Relax condition on
13686         multi-register optimization.
13687
13688 2005-01-12  Nick Clifton  <nickc@redhat.com>
13689
13690         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
13691         an "in_delay_slot" attribute of "no" to prevent them being used in
13692         delay slots.  This is forbidden because they might generate
13693         exceptions.
13694
13695 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
13696
13697         PR target/19389
13698         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
13699         with r->Y and Y->r.
13700
13701 2005-01-12  Nick Clifton  <nickc@redhat.com>
13702
13703         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
13704         passed on to GAS) but do not define, as GAS no longer supports or
13705         needs the -m2000 option.
13706
13707 2005-01-11  Roger Sayle  <roger@eyesopen.com>
13708
13709         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
13710         type as args of unprototyped builtins aren't automatically promoted.
13711         (fold_builtin_abs): Likewise.
13712
13713 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13714
13715         * Makefile.in: Set a `build-warn' variable.
13716
13717 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
13718
13719         PR tree-optimization/17949
13720         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
13721         (find_interesting_uses_address): Use it.
13722
13723 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
13724
13725         * regrename.c (kill_value): Handle subreg's that won't simplify.
13726
13727 2005-01-11  Richard Henderson  <rth@redhat.com>
13728
13729         PR target/13366
13730         * config/i386/i386.h (enum ix86_builtins): Move ...
13731         * config/i386/i386.c: ... here.
13732         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
13733         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
13734         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
13735         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
13736         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
13737         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
13738         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
13739         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
13740         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
13741         IX86_BUILTIN_LOADDDUP): Remove.
13742         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
13743         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
13744         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
13745         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
13746         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
13747         (ix86_init_builtins): Make static.
13748         (ix86_init_mmx_sse_builtins): Update for changed builtins.
13749         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
13750         if all the modes match.  Otherwise, fake it.
13751         (get_element_number, ix86_expand_vec_init_builtin,
13752         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
13753         (ix86_expand_builtin): Make static.  Update for changed builtins.
13754         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
13755         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
13756         (ix86_expand_vector_init_duplicate): New.
13757         (ix86_expand_vector_init_low_nonzero): New.
13758         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
13759         Split out from ix86_expand_vector_init; handle integer modes.
13760         (ix86_expand_vector_init): Use them.
13761         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
13762         * config/i386/i386-protos.h: Update.
13763         * config/i386/predicates.md (reg_or_0_operand): New.
13764         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
13765         (movv2sf_internal): Likewise.  And a splitter to match them all.
13766         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
13767         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
13768         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
13769         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
13770         (mmx_pinsrw): Fix operand ordering.
13771         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
13772         rather than sse_loadss expander.
13773         (movv2df splitter): Similarly.
13774         (sse_loadss, sse_loadlss): Remove.
13775         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
13776         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
13777         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
13778         (sse3_movddup): Rename with '*'.
13779         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
13780         (sse2_loadsd): Remove.
13781         (vec_dupv2df_sse3): Rename from sse3_loadddup.
13782         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
13783         (sse2_pinsrw): Fix argument ordering.
13784         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
13785         (sse2_stored): Remove 'r' destination.
13786         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
13787         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
13788         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
13789         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
13790         vec_extractv16qi, vec_initv16qi): New.
13791
13792         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
13793         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
13794         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
13795         constructor form.
13796         (_mm_load_pd, _mm_store_pd): Use plain dereference.
13797         (_mm_load_si128, _mm_store_si128): Likewise.
13798         (_mm_load1_pd): Use _mm_set1_pd.
13799         (_mm_load_sd): Use _mm_set_sd.
13800         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
13801         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
13802         (_mm_set_epi64): Use _mm_set_epi64x.
13803         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
13804         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
13805         _mm_setr_epi8): Use _mm_set_foo form.
13806         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
13807         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
13808         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
13809         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
13810         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
13811         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
13812         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
13813         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
13814         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
13815         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
13816         (_mm_movedup_pd): Use _mm_shuffle_pd.
13817         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
13818         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
13819         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
13820         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
13821         Use _mm_setzero_ps.
13822         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
13823         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
13824         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
13825         (_mm_store_ps): Use raw dereference.
13826         (_mm_store1_ps): Use _mm_storeu_ps.
13827         (_mm_storer_ps): Use _mm_store_ps.
13828         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
13829         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
13830
13831 2005-01-11  Stan Shebs  <shebs@apple.com>
13832
13833         * config/rs6000/rs6000.c (machopic_output_stub): Issue
13834         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
13835
13836 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
13837
13838         PR target/18761
13839         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
13840         Skip all DECLs except for FIELD_DECLs.
13841
13842 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
13843
13844         * config/s390/s390.c (override_options): Return error if
13845         -mbackchain, -mpacked-stack and -mhard-float are used together.
13846         (s390_va_start): Remove the backchain && packed-stack special case.
13847         (s390_gimplify_va_arg): Likewise.
13848         * doc/invoke.texi: Remove the ABI incompatibility note.
13849
13850 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
13851
13852         * config/s390/s390.c (struct s390_frame_layout): Remove
13853         save_backchain_p.
13854         (s390_frame_info, s390_emit_prologue): Replace occurrences of
13855         save_backchain_p with TARGET_BACKCHAIN.
13856
13857 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
13858
13859         PR target/18916
13860         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
13861         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
13862         * function.c (locate_and_pad_parm): Set new field.
13863         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
13864         Tweak where_pad test to include "none".  Always set mem align for
13865         stack_parm.
13866         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
13867         not sufficient for type.
13868         (assign_parm_setup_block): If stack_parm is zero on entry, always
13869         make a new stack local.  Block move old stack parm if necessary
13870         to new aligned stack local.
13871         (assign_parm_setup_stack): Use a block move to handle
13872         potentially misaligned entry_parm.
13873         (assign_parms_unsplit_complex): Specify required alignment when
13874         creating stack local.
13875         * calls.c (compute_argument_addresses): Override alignment of stack
13876         arg calculated from its type with the alignment given by
13877         FUNCTION_ARG_BOUNDARY.
13878         (store_one_arg): Likewise.
13879
13880 2005-01-11  Jan Beulich  <jbeulich@novell.com>
13881
13882         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
13883         Change respective itanium_class attribute to ialu.
13884         (shladdp4_internal): New.
13885         * config/ia64/predicates.md (shladd_log2_operand): New.
13886
13887 2005-01-11  Richard Henderson  <rth@redhat.com>
13888
13889         * expr.c (store_constructor): Use rtvec_alloc instead of
13890         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
13891
13892 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
13893
13894         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
13895
13896 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
13897
13898         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
13899         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
13900         (TARGET_RWRELOC): Define.
13901         (ia64_rwreloc_section_type_flags): Delete.
13902         (ia64_section_type_flags): New function.
13903         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
13904         (TARGET_RWRELOC): Define.
13905
13906 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
13907
13908         PR target/18987
13909         * config/ia64/ia64.c (process_set): For alloc insn, only call
13910         process_epilogue is !frame_pointer_needed.
13911
13912 2005-01-10  Roger Sayle  <roger@eyesopen.com>
13913
13914         PR c++/19355
13915         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
13916         unary operator and can't be treated as a binary/comparison operator.
13917
13918 2005-01-10  Richard Henderson  <rth@redhat.com>
13919
13920         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
13921         (ix86_return_in_memory): Likewise.
13922         (function_arg_advance):  Likewise.  Mirror structure in function_arg
13923         for choosing register to advance.
13924
13925 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
13926
13927         * tree-vectorizer.c, tree.def: Fix comment typos.
13928
13929 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
13930
13931         * config/s390/s390.c (struct processor_costs): 4 new fields:
13932         ddbr, ddr, debr, der.
13933         (s390_rtx_costs): More precise handling of divide instructions.
13934
13935 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
13936
13937         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
13938
13939 2005-01-10  Jan Beulich  <jbeulich@novell.com>
13940
13941         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
13942         names resulting from -ffunction-sections/-fdata-sections and linkonce
13943         ones.
13944         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
13945         based on the section name. Rearrange the section name comparison logic
13946         slightly so that each section name is compared against at most once.
13947
13948 2005-01-10  Ben Elliston  <bje@au.ibm.com>
13949
13950         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
13951         targets for which -fPIC reduces limitations on the GOT size.
13952
13953 2005-01-09  Falk Hueffner  <falk@debian.org>
13954
13955         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
13956         X/C1 cmpop C2.
13957
13958 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
13959
13960         PR target/18720
13961         * collect2.c (main): Set aixrtl_flag for -brtl option.
13962         (resolve_lib_name): Search for .so file extension before .a
13963         if aixrtl_flag set.
13964
13965 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
13966
13967         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
13968         (vect_analyze_data_refs_alignment): Add dump prints.
13969
13970 2005-01-09  Ira Rosen  <irar@il.ibm.com>
13971
13972         * tree-vectorizer.c (vect_analyze_offset_expr): Use
13973         expr_invariant_in_loop_p.
13974         Initialize outputs first thing in the function.
13975         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
13976         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
13977         (vect_analyze_pointer_ref_access): Check that the initial condition of
13978         the access function is loop invariant.
13979
13980 2005-01-09  Richard Henderson  <rth@redhat.com>
13981
13982         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
13983         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
13984         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
13985         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
13986         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
13987         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
13988         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
13989         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
13990         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
13991         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
13992         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
13993         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
13994         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
13995         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
13996         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
13997         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
13998         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
13999         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
14000         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
14001         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
14002         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
14003         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
14004         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
14005         mmx_ prefix.
14006         (mmx_clrdi, pavgusb): Remove.
14007         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
14008         with leading sse_ prefix.
14009         * config/i386/sse.md: Receive them.
14010         * config/i386/mmx.md: New file.
14011         (MMXMODE12, MMXMODE24, mmxvecsize): New.
14012         (subrv2sf3): Turn into expander for normal subtraction.
14013         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
14014         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
14015         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
14016         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
14017         commutative; use ix86_binary_operator_ok.
14018         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
14019         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
14020         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
14021         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
14022         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
14023         Macroize from existing patterns; use ix86_binary_operator_ok.
14024         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
14025         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14026         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
14027         with vec_select+vec_concat.
14028         (mmx_pshufw, mmx_pshufw_1): Likewise.
14029         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
14030         (mmx_uavgv4hi3): Model correctly.
14031         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
14032         _mm_xor_si64): Remove casts.
14033
14034 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
14035
14036         PR tree-optimization/19224
14037         * tree-scalar-evolution.c (get_instantiated_value,
14038         set_instantiated_value): New functions.
14039         (instantiate_parameters_1): Cache the results.
14040         (instantiate_parameters, resolve_mixers): Initialize and free
14041         the cache.
14042
14043 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14044
14045         * config/i386/i386.md (addhi_4): Correct reference in comment.
14046         (addqi_4): Same.
14047
14048 2005-01-08  Richard Henderson  <rth@redhat.com>
14049
14050         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
14051         (_mm_cvtsi128_si64x): Likewise.
14052         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
14053         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
14054         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
14055         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
14056         * config/i386/i386-protos.h: Update.
14057         * config/i386/i386.c (print_operand): Add 'H'.
14058         (ix86_fixup_binary_operands): Split out from ...
14059         (ix86_expand_binary_operator): ... here.
14060         (ix86_fixup_binary_operands_no_copy): New.
14061         (ix86_expand_fp_absneg_operator): Handle vector mode results.
14062         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
14063         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
14064         (safe_vector_operand): Use CONST0_RTX.
14065         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
14066         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
14067         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
14068         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
14069         special cases.
14070         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
14071         (IX86_BUILTIN_CMPNGESS): New.
14072         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
14073         (attr type): Add sselog1.
14074         (attr unit, attr memory): Handle it.
14075         (movti, movti_internal, movti_rex64): Move near other integer moves.
14076         (movtf, movtf_internal): Move near other fp moves.
14077         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
14078         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
14079         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
14080         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
14081         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
14082         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
14083         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
14084         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
14085         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
14086         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
14087         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
14088         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
14089         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
14090         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
14091         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
14092         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
14093         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
14094         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
14095         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
14096         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
14097         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
14098         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
14099         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
14100         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
14101         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
14102         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
14103         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
14104         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
14105         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
14106         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
14107         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
14108         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
14109         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
14110         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
14111         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
14112         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
14113         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
14114         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
14115         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
14116         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
14117         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
14118         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
14119         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
14120         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
14121         same time.
14122         (SSEPUSH, push<SSEPUSH>): Remove.
14123         (MMXPUSH, push<MMXPUSH>): Remove.
14124         (sse_movaps, sse_movaps_1, sse_movups): Remove.
14125         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
14126         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
14127         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
14128         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
14129         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
14130         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
14131         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
14132         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
14133         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
14134         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
14135         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
14136         (ppro_sse_log_V4SF): Handle sselog1.
14137         * config/i386/predicates.md (const_0_to_1_operand): New.
14138         (const_0_to_255_mul_8_operand): New.
14139         (const_1_to_31_operand): Rename from const_int_1_31_operand.
14140         (const_2_to_3_operand, const_4_to_7_operand): New.
14141         * config/i386/sse.md: New file.
14142         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
14143         (sse_movups): Rename from sse_movups_1.
14144         (sse_loadlss): Rename from sse_loadss_1.
14145         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
14146         from the name.
14147         (negv4sf2): Use ix86_expand_fp_absneg_operator.
14148         (absv4sf2, negv2df, absv2df): New.
14149         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
14150         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
14151         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
14152         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
14153         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
14154         (sse3_addsubv4sf3): Model correctly.
14155         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
14156         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
14157         (sse_movhlps): Model with vec_select+vec_concat.
14158         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
14159         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
14160         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
14161         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
14162         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
14163         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
14164         sse2_pshufhw_1): Likewise.
14165         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
14166         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
14167         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
14168         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
14169         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
14170         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
14171         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
14172         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
14173         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
14174         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
14175         sminv8hi3): Mark commutative
14176         operands.  Use ix86_binary_operator_ok.
14177         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
14178         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
14179         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
14180         sse2_punpcklqdq): Allow operand2 in memory.
14181         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
14182         sse2_movsd): Add memory alternatives.
14183         (sse_storelps): Turn expander into an insn; split after reload.
14184         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
14185         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
14186
14187 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14188
14189         * configure.ac (DWARF-2 debug_line): Use objdump.
14190         * configure: Regenerate.
14191
14192 2005-01-08  Jeff Law  <law@redhat.com>
14193             Diego Novillo  <dnovillo@redhat.com>
14194
14195         PR tree-optimization/18241
14196         * tree-nrv.c (tree_nrv): Ignore volatile return values.
14197         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
14198         statements with volatile operands.
14199         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
14200         operands after marking a statement with has_volatile_ops.
14201
14202 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14203
14204         * tree.c (int_fits_type_p): Always honor integer constant
14205         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
14206
14207 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14208
14209         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
14210         the latent bug in rtl_delete_block has been resolved.
14211
14212 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14213
14214         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
14215         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
14216
14217 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14218
14219         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
14220         library as @multilib_dir@/$(SHLIB_SONAME).
14221
14222 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14223
14224         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
14225         * configure: Regenerate.
14226
14227 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14228
14229         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
14230         TYPE_MODE.
14231
14232 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
14233
14234         PR target/13674
14235         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
14236         Convert non-word aligned offset address using ld/std into
14237         indirect address.
14238
14239 2005-01-07  Richard Henderson  <rth@redhat.com>
14240
14241         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
14242
14243 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
14244
14245         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
14246
14247 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14248
14249         PR tree-optimization/19283
14250         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
14251         is not shorter than the original type.
14252
14253         PR rtl-optimization/19012
14254         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
14255
14256         PR rtl-optimization/18861
14257         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
14258         (FULL_STATE): Define.
14259         (mark_tablejump_edge): New function.
14260         (purge_dead_tablejump_edges): New function.
14261         (find_bb_boundaries): Use it.
14262
14263         PR tree-optimization/18828
14264         * builtins.c (expand_builtin_next_arg): Remove argument and all
14265         the argument checking.
14266         (expand_builtin): Adjust caller.
14267         (expand_builtin_va_start): Likewise.  Remove error for too many
14268         arguments.
14269         (fold_builtin_next_arg): Issue error for too many arguments.
14270         After checking arguments, replace them with magic arguments that
14271         prevent further checking of the args.
14272
14273 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14274
14275         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
14276
14277 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14278
14279         PR target/6077
14280         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
14281         and %{.S:...} (and their negative variants) to test whether the
14282         input file is assembler or pre-processed-assembler independent of
14283         the actual filename extension.
14284
14285 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14286
14287         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
14288         of sign or zero extended values.
14289
14290 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
14291
14292         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
14293         for IBM long double format correctly.
14294
14295 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
14296
14297         Fix PR tree-optimization/18792
14298
14299         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
14300         to first_loop_depth, and use loop depth instead of loop number.
14301         (build_classic_dir_vector): Ditto.
14302         (compute_data_dependences_for_loop): Use depth, not loop number.
14303         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
14304         number. Pass in loops, instead of loop numbers.
14305         (gather_interchange_stats): Ditto.
14306         (linear_transform_loops): Ditto.
14307
14308 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
14309
14310         PR rtl-opt/13299
14311         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
14312         biv_fits_mode_p, extension_within_bounds_p): New functions.
14313         (check_ext_dependent_givs): Use them.
14314
14315 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14316
14317         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
14318         more than one barrier, in which case we should delete them all.
14319
14320 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
14321
14322         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
14323
14324 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
14325
14326         Fix PR middle-end/19286
14327         Fix PR debug/19267
14328         * dwarf2out.c (gen_subprogram_die): If we've already tried to
14329         output this subprogram, simply ignore this attempt to do it again.
14330         (add_abstract_origin_attribute): Don't abort trying to add the abstract
14331         origin attribute if it's not possible.
14332         (gen_block_die): Don't ignore subblocks of "unused" blocks.
14333         (decls_for_scope): Ditto.
14334         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
14335         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
14336
14337 2005-01-05  Richard Henderson  <rth@redhat.com>
14338
14339         PR target/11327
14340         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
14341         (bdesc_2arg): Use it.
14342         (ix86_expand_binop_builtin): Force operands into registers
14343         when optimizing.
14344         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
14345         ix86_expand_sse_compare, ix86_expand_sse_comi,
14346         ix86_expand_builtin): Likewise.
14347
14348 2005-01-05  Richard Henderson  <rth@redhat.com>
14349
14350         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
14351         and VEC_SELECT.
14352         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
14353         (mulv4hi3): Set itanium_class mmmul.
14354         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
14355         (fpack): Rename from fpack_sfsf.
14356
14357 2005-01-05  Richard Henderson  <rth@redhat.com>
14358
14359         PR rtl-opt/10692
14360         * reload1.c (do_input_reload): Restrict the optimization deleteing
14361         a previous output reload to RELOAD_FOR_INPUT.
14362
14363 2005-01-05  Steven Bosscher  <stevenb@suse.de>
14364
14365         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
14366         comment that we fall through after case.
14367         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
14368         (distribute_links): Likewise.
14369         * cse.c (cse_insn): Likewise.
14370         * cselib.c (cselib_invalidate_mem): Likewise.
14371         * df.c: Update comments at the top of the file.
14372         (read_modify_subreg_p): Update comments here too.
14373         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
14374         * flow.c (mark_set_1): Likewise.
14375         (mark_used_regs): Likewise.
14376         * gcse.c (mems_conflict_for_gcse_p): Likewise.
14377         (canon_list_insert): Likewise.
14378         (mark_set): Likewise.
14379         (try_replace_reg): Likewise.
14380         (store_killed_in_insn): Likewise.
14381         * loop.c (count_one_set): Likewise.
14382         (basic_induction_var): Likewise.
14383         * postreload-gcse.c (find_mem_conflicts): Likewise.
14384         * postreload.c (reload_combine_note_store): Likewise.
14385         (move2add_note_store): Likewise.
14386         * reload.c (find_equiv_reg): Likewise.
14387         (mark_referenced_resources): Likewise.
14388         * rtlanal.c (set_noop_p): Likewise.
14389         (note_stores): Likewise.
14390         (note_uses): Likewise.
14391         * sched-deps.c (sched_analyze_1): Likewise.
14392         * sched-rgn.c (check_live_1): Likewise.
14393         (update_live_1): Likewise.
14394         * config/i860/i860.c: Likewise.
14395
14396         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
14397         an lvalue.
14398         (ZERO_EXTRACT): Mention that this one can be an lvalue.
14399
14400         * doc/rtl.texi: Update documentation for bit-fields and SET.
14401
14402 2005-01-05  Roger Sayle  <roger@eyesopen.com>
14403
14404         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
14405
14406 2005-01-05  Jan Hubicka  <jh@suse.cz>
14407             Richard Henderson  <rth@redhat.com>
14408
14409         PR target/18910
14410         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
14411         with an offset.
14412
14413 2005-01-05  Richard Henderson  <rth@redhat.com>
14414
14415         PR target/12902
14416         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
14417         (sse_shufps): Change operand 3 to const_int_operand.
14418         (sse2_storelps): Fix typo in template.
14419         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
14420         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
14421         (ix86_expand_builtin): Likewise.
14422
14423 2005-01-05  Julian Brown  <julian@codesourcery.com>
14424
14425         * config/arm/arm.c (arm_return_in_memory): Treat complex types
14426         as aggregates for AAPCS ABIs.
14427
14428 2005-01-05  Stan Shebs  <shebs@apple.com>
14429
14430         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
14431         Mach-O getters if ppc64.
14432         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
14433         size argument.
14434         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
14435         signed four-byte field for global code case.
14436         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
14437
14438 2005-01-05  Roger Sayle  <roger@eyesopen.com>
14439
14440         PR middle-end/19100
14441         * c-common.c: Include real.h.
14442         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
14443         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
14444         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
14445         * Makefile.in (c-common.o): Update dependencies.
14446
14447 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14448
14449         * c-parse.in (asm_string): Add trailing semicolon.
14450
14451 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14452
14453         * c-parse.in (asm_string): New.  Don't allow wide strings in
14454         'asm'.
14455         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
14456         asm_string instead of STRING.
14457
14458 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
14459
14460         * c-typeck.c (constructor_no_implicit): Remove.
14461         (set_designator, process_init_element): Don't check
14462         constructor_no_implicit.
14463
14464 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
14465             Kaz Kojima  <kkojima@gcc.gnu.org>
14466
14467         PR target/16482
14468         * lcm.c (create_pre_exit): New.
14469         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
14470         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
14471
14472 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
14473
14474         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
14475         -msoft-float in target_float_switch.
14476         * arm.c (arm_override_options): Fix processing of target_float_switch.
14477
14478 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
14479
14480         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
14481         preferencing.
14482
14483 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
14484
14485         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
14486         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
14487
14488 2005-01-04  Roger Sayle  <roger@eyesopen.com>
14489
14490         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
14491         if deleting the then-block allows the test-block to fallthru to the
14492         else-block.
14493
14494 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
14495
14496         PR c/19152
14497         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
14498         after the full declaration if the are in two different TUs.
14499
14500 2005-01-04  Richard Henderson  <rth@redhat.com>
14501
14502         PR tree-opt/19158
14503         * tree-sra.c (generate_one_element_init): Just
14504         call gimplify_and_add.
14505         (generate_element_init): Record the
14506         new referenced variables and mark them for renaming
14507         and split out to ...
14508         (generate_element_init_1): This.
14509         (scalarize_init): Don't call push_gimplify_context/
14510         pop_gimplify_context.
14511
14512 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
14513
14514         * toplev.c (get_src_pwd): Handle failure of getpwd().
14515
14516 2005-01-04  Roger Sayle  <roger@eyesopen.com>
14517
14518         * fold-const.c (fold_single_bit_test): Delete unreachable handling
14519         of TRUTH_NOT_EXPR.
14520         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
14521         all the cases handled by it are inverted by invert_truthvalue.
14522
14523 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14524
14525         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
14526         (save_register_windowsi): Likewise.
14527
14528 2005-01-04  Richard Henderson  <rth@redhat.com>
14529
14530         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
14531
14532 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
14533
14534         PR middle-end/17767
14535         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
14536         any simplifications of vector mode comparison operators.
14537         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
14538
14539 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
14540             Devang Patel  <dpatel@apple.com>
14541
14542         PR tree-optimization/18308
14543         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
14544         the operands before creating a new expression.
14545         * dojump.c (do_jump): Make drop_through_label available
14546         for all cases.  Add expansion of COND_EXPR.
14547
14548 2005-01-04  Ira Rosen  <irar@il.ibm.com>
14549
14550         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
14551         INTEGER_CST instead of TREE_CONSTANT.
14552         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
14553         instead of TREE_CONSTANT.
14554         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
14555         instead of TREE_CONSTANT.
14556
14557 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14558
14559         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
14560
14561 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
14562
14563         PR target/19240
14564         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
14565         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
14566
14567 2005-01-03  Richard Henderson  <rth@redhat.com>
14568
14569         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
14570         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
14571         fold_convert_const_real_from_real): Split out from ...
14572         (fold_convert_const): ... here.
14573
14574 2005-01-03  Richard Henderson  <rth@redhat.com>
14575
14576         PR target/19235
14577         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
14578         (mov<MMXMODEI>_internal): Likewise.
14579         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
14580         Add V2SF case; use it for SSE1; don't use TI.
14581         (movdf_integer): Likewise.
14582         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
14583
14584 2005-01-03  Ira Rosen  <irar@il.ibm.com>
14585
14586         * tree-vectorizer.c (vect_strip_conversions): New function.
14587         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
14588         check for binary class.
14589
14590 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
14591
14592         Fix PR debug/17924
14593         Fix PR debug/19191
14594         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
14595         is a decl.
14596         * gimple-low.c (mark_blocks_with_used_vars): New function.
14597         (mark_blocks_with_used_subblocks): Ditto.
14598         (mark_used_blocks): Ditto.
14599         (pass_mark_used_blocks): New pass.
14600         * tree-inline.c: Include debug.h.
14601         (expand_call_inline): Call outlining_inline_function here.
14602         * tree-optimize.c (init_tree_optimization_passes): Add
14603         pass_mark_used_blocks.
14604         * tree-pass.h (pass_mark_used_blocks): New.
14605         * Makefile.in (tree-inline.o): Add debug.h dependency.
14606
14607 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
14608
14609         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
14610         VAR_DECLs to have weak_import attribute.
14611
14612         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
14613         'struct ucontext'.
14614
14615 2004-01-03  Steven Bosscher  <stevenb@suse.de>
14616
14617         * passes.c (rest_of_compilation): Don't run regmove if only
14618         flag_expensive_optimizations, require flag_regmove instead.
14619
14620 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
14621
14622         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
14623         register "sparc".
14624         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
14625         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14626         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
14627         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14628
14629 2005-01-03  Richard Henderson  <rth@redhat.com>
14630
14631         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
14632         (ia64_const_ok_for_letter_p): New.
14633         (ia64_const_double_ok_for_letter_p): New.
14634         (ia64_extra_constraint): New.
14635         (ia64_expand_vecint_compare): New.
14636         (ia64_expand_vcondu_v2si): New.
14637         (ia64_expand_vecint_cmov): New.
14638         (ia64_expand_vecint_minmax): New.
14639         (ia64_print_operand): Add 'v'.
14640         (ia64_preferred_reload_class): New.
14641         (ia64_vector_mode_supported_p): New.
14642         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
14643         (PREFERRED_RELOAD_CLASS): Move to function.
14644         (CONST_OK_FOR_LETTER_P): Move to function.
14645         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
14646         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
14647         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
14648         (EXTRA_CONSTRAINT): Move to function.
14649         * config/ia64/ia64.md: Include vect.md.
14650         (itanium_class): Add mmalua.
14651         (type): Handle it.
14652         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
14653         (1b_mmalua): New.
14654         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
14655         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
14656         CONST0_RTX.
14657         (const_int_2bit_operand): New.
14658         (fr_reg_or_0_operand): New.
14659         * config/ia64/ia64-modes.def: Add vector modes.
14660         * config/ia64/ia64-protos.h: Update.
14661         * config/ia64/vect.md: New file.
14662
14663 2005-01-03  Richard Henderson  <rth@redhat.com>
14664
14665         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
14666
14667 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
14668
14669         PR target/19236
14670         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
14671         to SFmode.
14672         (log1pdf2): Change mode of operands[0,1] to DFmode.
14673
14674 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
14675
14676         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
14677         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
14678         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
14679         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
14680         SPARC_RELAXED_ORDERING.
14681
14682 2005-01-03  Richard Henderson  <rth@redhat.com>
14683             Uros Bizjak  <uros@kss-loka.si>
14684
14685         PR target/14631
14686         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
14687         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
14688         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
14689         handling.
14690         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
14691         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
14692         const_pow2_1_to_128_operand): New predicates.
14693
14694 2005-01-02  Greg McGary  <greg@mcgary.org>
14695
14696         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
14697         anonymous decls.
14698         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
14699         object.  [ptr_type]: Remove unused variable.
14700         Remember nearest addressable array-element or record-component
14701         when checking bitfield components.  Tolerate empty BIND_EXPR.
14702
14703 2005-01-01  Richard Henderson  <rth@redhat.com>
14704
14705         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
14706         that don't narrow the value.  Fail for other conversions.
14707
14708 2005-01-01  Richard Henderson  <rth@redhat.com>
14709
14710         PR c/19031
14711         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
14712         * c-lang.c (finish_file): Don't do it here.
14713         * objc/objc-act.c (objc_finish_file): Likewise.
14714
14715         * cgraph.c (decl_assembler_name_equal): New.
14716         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
14717         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
14718         * cgraph.h (struct cgraph_varpool_node): Add next.
14719         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
14720         * varasm.c (assemble_alias): Mark the target as needed.
14721
14722 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
14723
14724         PR middle-end/19221
14725         * function.c (get_arg_pointer_save_area): Use entry_of_function
14726         instead of get_insns.
14727
14728 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14729             Andrew Pinski  <pinskia@physics.uc.edu>
14730             James E. Wilson  <wilson@specifixinc.com>
14731
14732         PR rtl-optimization/12092
14733         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
14734         is zero.
14735
14736 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14737             Olivier Hainque  <hainque@act-europe.fr>
14738
14739         * tree.c (int_fits_type_p): A narrower type always fits in a
14740         wider one, except for negative values into unsigned types.
14741
14742 2005-01-01  Roger Sayle  <roger@eyesopen.com>
14743
14744         * tree.c (int_fits_type_p): Compare the result of force_fit_type
14745         with the original constant rather than require TREE_OVERFLOW.
14746
14747 2005-01-01  Steven Bosscher  <stevenb@suse.de>
14748
14749         PR middle-end/17544
14750         * c-decl.c (finish_function): If compiling C99, annotate the
14751         compiler generated return with the current file name and line 0.
14752         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
14753         the source line is greater than 0.
14754         (remove_bb): Likewise.