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PR target/20814
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
2
3         PR target/20814
4         * config/rs6000/predicates.md (altivec_register_operand): Accept
5         SUBREG. 
6         (and64_operand): Do not limit CONST_INT to mask64_operand.
7         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
8         (and_operand): Do not limit CONST_INT to mask_operand.
9
10 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
11
12         PR rtl-optimization/20466
13         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
14         for overlap of the address of each list member.
15         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
16
17 2005-04-08  Mike Stump  <mrs@apple.com>
18
19         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
20         
21         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
22         instead of 4.
23
24 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
25
26         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
27
28         * function.c (push_function_context_to): Don't set
29         contains_functions.
30         * function.h (function): Remove contains_functions.
31         (current_function_contains_functions): Remove.
32
33         * function.h (function): Remove instrument_entry_exit.
34         (current_function_instrument_entry_exit): Remove.
35
36         * function.h (nonlocal_labels): Remove.
37
38         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
39
40         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
41         (check_attr_value, write_attr_get, write_expr_attr_cache,
42         find_attr, make_internal_attr): Don't reference negative_ok or
43         unsigned_p.
44         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
45         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
46         (ATTR_STATIC): Adjust the value.
47
48         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
49
50 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
51
52         * config/s390/tpf.h (ASM_SPEC): Define.
53
54 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
55
56         * tree-flow.h: Remove the prototype for
57         redirect_immediate_uses.
58         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
59
60 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
61
62         * arm.c (arm_const_double_by_parts): New function.
63         * arm-protos.h (arm_const_double_by_parts): Add prototype.
64         * arm.md (define_split for 64-bit constants): Add another one.
65
66 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
67
68         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
69
70 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
71
72         * system.h: Revert last change.
73
74 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
75
76         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
77         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
78         (TARGET_SWITCHES): Delete.
79         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
80         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
81         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
82         * config/xtensa/xtensa.opt: New file.
83
84 2005-04-08  Ben Elliston  <bje@au.ibm.com>
85
86         * config/fp-bit.c: Include L_mul_tf in #endif comment.
87         * config/fp-bit.h: Tidy comments.
88
89 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
90
91         * system.h: Poison PARAMS.
92
93 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
94
95         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
96         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
97         (TARGET_SWITCHES): Delete.
98         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
99         * config/vax/vax.opt: New file.
100
101 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
102
103         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
104
105 2005-04-07  Ian Lance Taylor  <ian@airs.com>
106
107         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
108         define.
109         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
110         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
111         Likewise.
112
113 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
114
115         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
116         all immediate uses in PHI nodes.
117
118 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
119
120         * arm.c (arm_const_double_inline_cost): Handle any constant by
121         using gen_lowpart and gen_highpart_mode.
122         (note_invalid_constants): All constants in an RTX with a constraint
123         that permits memory are now pushed to the constant pool.
124         (output_move_double): Delete code to handle reg to reg and 
125         constant to reg moves.
126         (const_double_needs_minipool, output_mov_immediate): Delete.
127         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
128         CONST_INT and CONST_VECTOR.
129         * arm.md (ANY64): New mode macro.
130         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
131         (movdf_soft_insn): Split reg-reg and const-reg moves.
132         (split patterns for 64-bit constant and register moves): New.
133         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
134         (cirrus_movdf_hard_insn): Likewise.
135         * fpa.md (movdf_fpa): Likewise.
136         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
137         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
138         constraints.
139         (movv2si_internal_2): Likewise.
140         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
141         (movdf_vfp): Likewise.
142         * arm-protos.h (output_mov_immediate): Delete prototype.
143
144 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
145
146         PR target/20093
147         * simplify-rtx.c (simplify_unary_operation_1): Check
148         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
149
150 2005-04-06  James E Wilson  <wilson@specifixinc.com>
151
152         PR target/20717
153         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
154         ADDR_EXPR.
155
156 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
157
158         * coverage.h (GCOV_TYPE_NODE): Delete.
159         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
160         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
161         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
162         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
163         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
164
165 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
166
167         PR other/20792
168         * Makefile.in (gcc.pot): Remove options.c dependency.
169         * optc-gen.awk: Don't quote help strings with N_().
170
171 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
172
173         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
174         the function returns a pointer type.
175
176 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
177
178         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
179         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
180         * doc/invoke.texi: Documnet salias-max-implicit-fields.
181         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
182         explicit_uses members.
183         (get_or_create_used_part_for): Initialize new fields.
184         (fieldoff_compare): New function.
185         (create_overlap_variables_for): Count number of fields, use
186         heuristic to determine whether to create subvars for vars with
187         only implicit uses.
188         Sort the field list by offset and avoid creating duplicate SFT's.
189
190 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
191
192         * c.opt (-F): Remove trailing whitespace from help string.
193         (-finput-charset): Use a tab to separate the switch name and help
194         string.
195         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
196         (-ftree-vectorizer-verbose): Likewise.
197
198 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
201         a PHI argument where a use occurs instead of all PHI arguments.
202
203 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
204
205         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
206         scope.
207
208 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
209
210         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
211         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
212         config/bfin/bfin.h: Fix comment typos.
213
214 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
215
216         * doc/install.texi: Update the URL for Jacks.
217         * doc/sourcebuild.texi: Likewise.
218
219 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
220
221         PR target/17245
222         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
223         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
224
225 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
226
227         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
228
229 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
230
231         * config/v850/v850-protos.h (override_options): Delete.
232         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
233         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
234         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
235         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
236         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
237         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
238         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
239         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
240         (OVERRIDE_OPTIONS): Delete.
241         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
242         (small_memory_info): Remove the value field.
243         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
244         TARGET_NO_APP_REGS.
245         * config/v850/v850.c (small_memory): Remove the value field.
246         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
247         (override_options): Delete.
248         (v850_handle_memory_option, v850_handle_option): New functions.
249         * config/v850/v850.opt: New file.
250
251 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
252
253         * config.host: Add a section for generic hosts, and a subsection
254         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
255         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
256         * config/host-darwin.h: New.
257         * config/x-darwin: New.
258         * config/i386/host-i386-darwin.c: New.
259         * config/i386/x-darwin: New.
260         * config/rs6000/host-darwin.c: Include host-darwin.h.
261         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
262         (darwin_rs6000_gt_pch_use_address): Likewise.
263         * config/rs6000/x-darwin: Change name of .o built, update
264         dependencies for changes to rs6000/host-darwin.c.
265
266 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
267
268         PR target/17824
269         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
270
271 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
272
273         * tree-vect-analyze.c (vect_analyze_loop_form): Call
274         split_loop_exit_edge instead of loop_split_edge_with. 
275
276 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
277
278         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
279         UNSPEC_SET_VSCR): New constants, used throughout.
280         (*andc3_v4sf): New.
281         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
282         Replace with...
283         (altivec_vspltis<VI_char>): ... this pattern, using
284         a QImode const_int_operand for the immediate.
285         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
286         define_expands.
287
288 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
289
290         PR target/17822
291         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
292
293 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
294
295         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
296
297 2005-04-06  Ben Elliston  <bje@au.ibm.com>
298
299         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
300         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
301         macros as living in "this file" and not gcc.h.
302
303 2005-04-06  Ben Elliston  <bje@au.ibm.com>
304
305         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
306         -ftree-live_range_split.  Perhaps renamed at some point?
307
308 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
309
310         PR target/20625
311         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
312         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
313
314 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
315
316         * tree-flow.h (number_of_iterations_cond): Declaration removed.
317         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
318         (number_of_iterations_special): New function.
319         (number_of_iterations_exit): Use number_of_iterations_special.
320         Use simplify_using_outer_evolutions only at -O3.
321         (number_of_iterations_cond, tree_simplify_using_condition,
322         simplify_using_initial_conditions, loop_niter_by_eval,
323         compare_trees, can_count_iv_in_wider_type_bound,
324         simplify_using_outer_evolutions): Use fold_build.
325
326 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
327
328         * doc/install.texi (Configuration): Document --with-java-home.
329
330 2005-04-05  Richard Henderson  <rth@redhat.com>
331
332         PR target/20342
333         PR target/20447
334         * config/i386/i386.c (print_operand): Handle vector zeros.
335         (ix86_split_to_parts): Handle CONST_VECTOR.
336         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
337         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
338         what modes to tie for MMX and SSE registers.
339         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
340         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
341         to vector modes as well.
342         * config/i386/predicates.md (const0_operand): Handle VOIDmode
343         properly as an input mode.
344
345 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
346
347         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
348
349 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
350
351         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
352
353 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
354
355         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
356         and local functions, set sse_nregs to 8 and float_in_sse.
357         (function_arg_advance, function_arg): If float_in_sse, pass
358         SFmode and DFmode arguments in SSE registers.
359         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
360
361         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
362         of -funit-at-a-time.
363
364 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
365
366         * config/i386/i386-protos.h (ix86_function_value): Accept two
367         arguments, like the target macro.
368         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
369         * config/i386/i386.c (ix86_function_value): Accept the second
370         argument of the target macro.
371         (ix86_function_ok_for_sibcall): Pass a function pointer to
372         ix86_function_value.
373         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
374         call to ix86_value_regno).
375         (ix86_value_regno): Add support for returning floating point values
376         in SSE registers.
377
378 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
379
380         PR tree-optimization/20076
381         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
382         that call __builtin_return or __builtin_apply_args.
383
384 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
385
386         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
387         Use immediate use iterator.
388         (stmt_is_bumper_for_loop): Use immediate use iterator.
389         * predict.c (strip_builtin_expect): Use update_stmt.
390         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
391         on all elements of a STATEMENT_LIST.
392         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
393         (bsi_remove): Remove imm_use links and mark the stmt as modified.
394         (bsi_replace): Mark stmt as modified and the update it.
395         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
396         (expand_complex_libcal): Call update_stmt.
397         (expand_complex_comparison): Call mark_stmt_modified.
398         (expand_complex_operations_1): Call update_stmt_if_modified.
399         (expand_vector_operations_1): Call mark_stmt_modified.
400         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
401         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
402         add_immediate_use, redirect_immediate_use,
403         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
404         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
405         (mark_new_vars_to_rename): Call update_stmt.
406         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
407         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
408         Ignore PHI nodes.
409         (unmodify_stmt): Delete.
410         (update_stmt): New.  Force an update of a stmt.
411         (update_stmt_if_modified): update a stmt if it is out of date.
412         (get_stmt_operands): Verify stmt is NOT modified. 
413         (stmt_modified_p): Update comment.
414         (delink_imm_use): Remove a use node from its immuse list.
415         (link_imm_use_to_list): Link a use node to a specific list.
416         (link_imm_use): Link a node to the correct list.
417         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
418         it in the correct list, if appropriate.
419         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
420         (relink_imm_use): Link a use node in place of another node in a list.
421         (relink_imm_use_stmt): LInk a node in place of another node, and set
422         the stmt pointer.
423         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
424         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
425         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
426         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
427         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
428         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
429         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
430         (has_zero_uses): New.  Return true if there are no uses of a var.
431         (has_single_use): New.  Return true if there is only a single use of a
432         variable.
433         (single_imm_use): New.  Return the simgle immediate use.
434         (num_imm_uses): New.  Return the number of immediate uses.
435         (get_v_must_def_ops): Use is now a pointer.
436         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
437         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
438         the use node.
439         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
440         (delink_stmt_imm_use): Delink all immuses from a stmt.
441         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
442         * tree-flow.h (struct dataflow_d): Delete.
443         (immediate_use_iterator_d): New.  Immediate use iterator struct.
444         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
445         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
446         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
447         iteration.
448         (struct stmt_ann_d): Remove dataflow_t from struct.
449         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
450         (if_convertible_phi_p): Use FAST immuse iterator.
451         (if_convertible_loop_p): Don't call compute_immediate_uses.
452         (replace_phi_with_cond_modify_expr): Call update_stmt.
453         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
454         update_stmt_if_modified.
455         (rewrite_all_into_ssa): Initialize ssa operands.
456         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
457         compute_immediate_uses.
458         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
459         ssa_property is available.
460         (execute_one_pass):  Change parameters passed to execute_todo.
461         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
462         (remove_ssa_form): Call fini_ssa_operands.
463         (insert_backedge_copies): Delete call to modify_stmt.
464         * tree-phinodes.c (make_phi_node): Initialize use nodes.
465         (release_phi_node): Delink any use nodes before releasing.
466         (resize_phi_node): Relink any use nodes.
467         (remove_phi_arg_num): Delink the use node.
468         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
469         (remove_all_phi_nodes_for): Release phi node first.
470         * tree-pretty-print.c (dump_generic_node): Print stmt address.
471         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
472         (scalarize_use, scalarize_copy): Call update_stmt.
473         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
474         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
475         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
476         (ccp_initialize): Remove call to compute_immediate_uses.
477         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
478         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
479         stmts.
480         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
481         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
482         (eliminate_redundant_computations): Call mark_stmt_modified.
483         (cprop_operand): Call mark_stmt_modified.
484         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
485         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
486         (dse_optimize_stmt): Use new immuse interface.
487         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
488         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
489         (substitute_single_use_vars): Use new immuse interface.
490         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
491         and compute_immediate_uses.
492         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
493         interface.
494         (rewrite_mem_refs): Call update_stmt.
495         (determine_lsm): Remove call to compute_imm_uses and free_df.
496         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
497         (try_unroll_loop_completely): Call update_stmt.
498         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
499         (rewrite_use_compare): Call update_stmt.
500         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
501         (rewrite_use) : Call update_stmt.
502         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
503         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
504         update_stmt.
505         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
506         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
507         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
508         use nodes.
509         (initialize_vuse_operand): New.  Initialize a vuse operand.
510         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
511         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
512         (finalize_ssa_defs): Use stmt parameter.
513         (correct_use_link): Ensure a use node is in the correct list, and has
514         the correct stmt pointer.
515         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
516         finalize_ssa_v_must_defs): Also initialize use nodes.
517         (finalize_ssa_stmt_operands): Pass extra stmt operands.
518         (build_ssa_operands): Seperate parsing from final operand construction.
519         (parse_ssa_operands): New.  Parse entry point for operand building.
520         (swap_tree_operands): New.  Swap 2 tree operands.
521         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
522         operands.
523         (get_expr_operands): Call swap_tree_operands when needed.
524         (copy_virtual_operands): Use initialize routines for virtual use ops.
525         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
526         (verify_abort): New.  Issue imm_use error.
527         (verify_imm_links): New Verify imm_use links for a var.
528         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
529         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
530         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
531         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
532         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
533         (NULL_USE_OPERAND_P) Define.
534         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
535         use node.
536         (struct vuse_operand_type): New struct.
537         (SET_USE): Call set_ssa_use_from_ptr.
538         (USE_STMT): Define.
539         (PHI_ARG_INDEX_FROM_USE): Define.
540         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
541         argument via SET_USE, not PHI_ARG_DEF_TREE.
542         * tree-ssa-pre.c (eliminate): Call update_stmt.
543         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
544         call free_df.
545         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
546         (nearest_common_dominator_of_uses): Use imm_use iterator.
547         (statement_sink_location): Use imm_use iterator and interface.
548         (execute_sink_code): Don't call compute_immediate_uses or free-df.
549         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
550         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
551         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
552         (verify_ssa): Ensure no stmt is marked modify after optimization pass
553         if new parameter is true.
554         (init_tree_ssa): Don't initialize operand cache here.
555         (delete_tree_ssa): Don't destroy operand cache here.
556         (propagate_into_addr): Pass in a use pointer, return true if anything
557         was changed.
558         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
559         (check_phi_redundancy): Use imm_use iterator.
560         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
561         free_df.
562         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
563         (release_ssa_name): Delink node and all elements in its imm_use list.
564         * tree-tailcall.c (adjust_return_value): Call update_stmt.
565         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
566         * tree-vectorizer.c (need_imm_uses_for): Delete.
567         (vectorize_loops): Dont call compute_immediate_uses or free_df.
568         * tree.h (struct ssa_imm_use_d): Define.
569         (SSA_NAME_IMM_USE_NODE): Define.
570         (struct tree_ssa_name): Add imm_use node.
571         (PHI_DF): Delete.
572         (PHI_ARG_IMM_USE_NODE): Define.
573         (struct phi_arg_d): Add imm_use node.
574         (struct tree_phi_node): Remove struct dataflow_d element.
575         (TDF_STMTADDR): Define.
576
577 2005-04-05  Dale Johannesen  <dalej@apple.com>
578
579         * doc/invoke.texi (Optimization Options):  Remove
580         duplicate -fcse-follow-jumps.  Add -fweb.
581         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
582         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
583
584 2005-04-05  Per Bothner  <per@bothner.com>
585
586         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
587         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
588         (warn_uninit): Get EXPR_LOCUS from context now instead.
589         This fixes a USE_MAPPED_LOCATION testsuite failure.
590
591         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
592
593 2005-04-05  Per Bothner  <per@bothner.com>
594
595         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
596         of the artification 'return 0' in main() to BUILTINS_LOCATION.
597         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
598         before warning. 
599
600 2004-04-05  Devang Patel  <dpatel@apple.com>
601
602         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
603         (lhsr<mode>3): ... new name.
604         (altivec_vsra<VI_char>): Rename to ..
605         (ashr<mode>3): ... new name.
606         * config/rs6000/rs6000.c (builtin_description): Rename shift
607         operations.
608         
609 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
610
611         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
612         gen_lowpart_for_combine.
613         * cse.c (gen_lowpart_if_possible): Move...
614         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
615         gen_lowpart_SUBREG.
616         (gen_lowpart_no_emit_general): Use it.
617
618 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
619
620         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
621         overriding.
622
623 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
624
625         * system.h: Fix typo.
626
627 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
628
629         * config/bfin/bfin-modes.def: New file.
630         * config/bfin/bfin-protos.h: New file.
631         * config/bfin/bfin.c: New file.
632         * config/bfin/bfin.h: New file.
633         * config/bfin/bfin.md: New file.
634         * config/bfin/bfin.opt: New file.
635         * config/bfin/crti.s: New file.
636         * config/bfin/crtn.s: New file.
637         * config/bfin/elf.h: New file.
638         * config/bfin/lib1funcs.asm: New file.
639         * config/bfin/predicates.md: New file.
640         * config/bfin/t-bfin: New file.
641         * config/bfin/t-bfin-elf: New file.
642         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
643         Document new attributes.
644         (interrupt, interrupt_handler, saveall): Update documentation for
645         these attributes.
646         * doc/install.texi (Specific): Add entry for the Blackfin.
647         * doc/invoke.texi (Blackfin Options): New section.
648         * doc/md.texi (Blackfin family): New section to document constraints.
649         * config.gcc: Add bfin*-* and bfin*-elf configurations.
650
651 2005-04-05  Olivier Hainque  <hainque@adacore.com>
652         
653         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
654         match what the system unwinder expects.
655         * config/mips/mips.c (mips_frame_set): If we're saving the return
656         address register and the dwarf return address column number differs
657         from the hard register number, adjust the note reg to refer to the
658         former.
659
660 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
661
662         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
663         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
664         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
665         (processor_type): New enum.
666         (mn10300_processor): New variable.
667         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
668         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
669         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
670         (PROCESSOR_DEFAULT): New macro.
671         * config/mn10300/mn10300.c (mn10300_processor): New variable.
672         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
673         (mn10300_handle_option, mn10300_override_options): New functions.
674         * config/mn10300/mn10300.opt: New file.
675
676 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
677             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
678
679         PR tree-optimization/19903
680         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
681         that don't fit in their type after conversion.
682
683 2005-04-05 Uros Bizjak <uros@kss-loka.si>
684
685         PR target/20421
686         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
687         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
688         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
689         flag here. Implement using define_insn_and_split.  
690         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
691         (frndintxf2_mask_pm_i387): New insn patterns.
692         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
693         Do not set ix86_optimize_mode_switching flag.
694         (ceilsf2, ceildf2, ceilxf2): Same.
695         (btruncsf2, btruncdf2, btruncxf2): Same.
696         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
697
698 2005-04-05  Ian Lance Taylor  <ian@airs.com>
699
700         PR debug/9963
701         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
702         i386_pe_record_external_function.
703         (i386_pe_record_external_function): Update declaration.
704         * config/i386/winnt.c (struct extern_list): Add decl field.
705         (i386_pe_record_external_function): Add decl parameter.
706         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
707         identifier.
708         * config/i386/i386-protos.h (i386_pe_record_external_function):
709         Update declaration.
710
711 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
712
713         * config/m68k/m68k-protos.h: Add a prototype for
714         valid_dbcc_comparison_p_2.
715         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
716         extend_operator, const_uint32_operand, const_sint32_operand,
717         general_src_operand, nonimmediate_src_operand,
718         memory_src_operand, post_inc_operand, pre_dec_operand,
719         pcrel_address): Move to predicates to predicates.md.
720         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
721         * config/m68k/m68k.md: Include predicates.md.
722         * config/m68k/predicates.md: New.
723
724 2005-04-04  Roger Sayle  <roger@eyesopen.com>
725
726         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
727
728         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
729
730 2005-04-04  Ian Lance Taylor  <ian@airs.com>
731
732         * c-typeck.c (struct c_switch): Rename switch_stmt field to
733         switch_expr.
734         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
735         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
736         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
737         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
738         * c-common.c (c_do_switch_warnings_1): New static function broken
739         out of c_do_switch_warnings.
740         (c_do_switch_warnings): Call c_do_switch_warnings_1.
741         (c_do_switch_expr_warnings): New function.
742         * c-common.h (c_do_switch_expr_warnings): Declare.
743
744 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
745             Daniel Jacobowitz  <dan@codesourcery.com>
746
747         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
748         trapping divide.
749         * rtlanal.c (may_trap_p): Same.
750
751 2005-04-04  Dale Johannesen  <dalej@apple.com>
752
753         * ChangeLog:  remove reference to ChangeLog.12.
754
755 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
756
757         CRIS epilogue as RTL.
758         * config/cris/cris.md: Change all 0 in unspec 0 to
759         CRIS_UNSPEC_PLT.
760         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
761         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
762         patterns.
763         ("return"): Change to define_expand.  Call cris_expand_return for
764         actual expansion.
765         ("*return_expanded"): New pattern.
766         ("epilogue"): New define_expand.
767         * config/cris/cris.h (PREDICATE_CODES): Add
768         cris_load_multiple_op.
769         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
770         type.
771         (enum cris_retinsn_type): New.
772         (struct machine_function): New member return_type.
773         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
774         (cris_target_asm_function_epilogue): Remove, moving RTLified
775         contents to...
776         (cris_expand_epilogue): New function.
777         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
778         (cris_gen_movem_load, cris_load_multiple_op)
779         (cris_return_address_on_stack_for_return, cris_expand_return): New
780         functions.
781         (cris_target_asm_function_prologue)
782         (cris_initial_frame_pointer_offset): Call
783         cris_reg_saved_in_regsave_area instead of complicated expression.
784         Call cris_return_address_on_stack instead of an expression.
785         (cris_print_operand) <case 'o', case 'O'>: New cases.
786         (cris_return_address_on_stack): Change return-type to bool.
787         (cris_simple_epilogue): Ditto.  Return false if registers are
788         saved.
789         * config/cris/cris-protos.h (cris_simple_epilogue)
790         (cris_return_address_on_stack): Adjust prototype return type.
791         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
792         (cris_return_address_on_stack_for_return): New prototypes.
793
794 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
795
796         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
797         gpr_or_int12_operand.
798
799         * config/frv/frv-protos.h: Add a prototype to
800         frv_legitimate_memory_operand and frv_const_unspec_p.
801         (frv_unspec): Move from frv.c.
802         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
803         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
804         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
805         gpr_or_fpr_operand, gpr_or_int12_operand,
806         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
807         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
808         int6_operand, int5_operand, uint5_operand, uint4_operand,
809         uint1_operand, int_2word_operand, uint16_operand,
810         upper_int16_operand, integer_register_operand,
811         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
812         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
813         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
814         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
815         move_destination_operand, movcc_fp_destination_operand,
816         frv_function_symbol_referenced_p, move_source_operand,
817         condexec_dest_operand, condexec_source_operand,
818         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
819         const_unspec_operand, gpr_or_memory_operand,
820         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
821         icc_operand, fcc_operand, cc_operand, icr_operand,
822         fcr_operand, cr_operand, call_operand, sibcall_operand,
823         symbolic_operand, relational_operator,
824         integer_relational_operator, float_relational_operator,
825         ccr_eqne_operator, minmax_operator,
826         condexec_si_binary_operator, condexec_si_media_operator,
827         condexec_si_divide_operator, condexec_si_unary_operator,
828         condexec_sf_conv_operator, condexec_sf_add_operator,
829         condexec_memory_operand, intop_compare_operator, acc_operand,
830         even_acc_operand, quad_acc_operand, accg_operand: Move to
831         predicates.md.
832         * config/frv/frv.h (PREDICATE_CODES): Remove.
833         * config/frv/frv.md: Include predicates.md.
834         * config/frv/predicates.md: New.
835
836 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
837
838         PR target/19537
839         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
840         * tree-ssa-loop-ivopts.c: Include langhooks.h.
841         (add_standard_iv_candidates_for_size): New function, extracting code
842         from add_standard_iv_candidates and parameterizing it by type size.
843         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
844
845 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
846
847         * system.h (GCOV_SIZE_TYPE): Unposion.
848         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
849         (GCOV_TYPE_SIZE): ...this new macro.
850         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
851         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
852         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
853         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
854         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
855         instead of unsigned_intSI_type_node.
856         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
857         (rtl_gen_one_value_profiler_no_edge_manipulation)
858         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
859         * value-prof.c: Include coverage.h.
860
861 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
862             Diego Novillo <dnovillo@redhat.com>
863             
864         Fix PR tree-optimization/20703
865         Fix PR tree-optimization/20725
866         
867         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
868         (create_expression_by_pieces): Ditto.
869         (valid_in_set): Ditto. Also handle tcc_declaration.
870         (find_or_generate_expression): Handle comparison class.
871         (insert_into_preds_of_block): Ditto.
872         (insert_aux): Ditto.
873         (create_value_expr_from): Handle comparison class, recursively
874         handle reference nodes.
875         (compute_avail): Handle comparison classes, rewrite a little cleaner.
876         (execute_pre): Fix spacing.
877         (do_fre): Renamed to execute_fre.
878
879 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
880
881         * doc/invoke.texi (SPARC options): Document that
882         -mlittle-endian is not supported on Linux either.
883
884 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
885
886         PR target/4198
887         PR target/12027
888         * config.gcc (Obsolete configurations): Remove
889         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
890         (sparclite-*-coff*): Delete.
891         (sparclite-*-elf*): Likewise.
892         (sparc86x-*-elf*): Likewise.
893         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
894         * config/sparc/lite.h: Delete.
895         * config/sparc/litecoff.h: Likewise.
896         * config/sparc/liteelf.h: Likewise.
897         * config/sparc/sp86x-elf.h: Likewise.
898         * config/sparc/t-sparclite: Likewise.
899         * config/sparc/t-sp86x: Likewise.
900
901 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
902
903         * config/s390/s390-protos.h: (s390_comparison,
904         s390_alc_comparison, s390_slb_comparison, const0_operand,
905         consttable_operand, larl_operand, s_operand,
906         shift_count_operand, bras_sym_operand, load_multiple_operation,
907         store_multiple_operation, s390_plus_operand): Remove prototypes.
908         (s390_legitimate_address_without_index_p): New prototype.
909         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
910         to s390.h.
911         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
912         const0_operand, consttable_operand, larl_operand, s_operand,
913         shift_count_operand, bras_sym_operand, load_multiple_operation,
914         store_multiple_operation, s390_plus_operand): Move to
915         predicates.md.
916         (check_mode): Remove.
917         (s390_branch_condition_mask): Remove 'static'. Move prototype to
918         s390-protos.h.
919         (s390_legitimate_address_without_index_p): New.
920         * config/s390/s390.h (PREDICATE_CODES): Remove.
921         * config/s390/s390.md: Include predicates.md.
922         * config/s390/predicates.md: New.
923
924 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
925
926         PR target/20446
927         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
928         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
929         (NEED_INDICATE_EXEC_STACK): Define to 1.
930         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
931         (NEED_INDICATE_EXEC_STACK): Define to 1.
932         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
933         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
934         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
935         (pic_helper_emitted_p): New global.
936         (emit_pic_helper): New function extracted from...
937         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
938         Do not call emit_pic_helper if delay_pic_helper is true.
939         (sparc_expand_prologue): Pass 'false' to load_pic_register.
940         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
941         (sparc_file_end): New function.
942
943 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
944
945         * config/mcore/mcore-protos.h: Remove the prototypes for
946         mcore_arith_reg_operand, mcore_general_movsrc_operand,
947         mcore_general_movdst_operand, mcore_reload_operand,
948         mcore_arith_J_operand, mcore_arith_K_operand,
949         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
950         mcore_arith_K_S_operand, mcore_arith_imm_operand,
951         mcore_arith_any_imm_operand, mcore_arith_O_operand,
952         mcore_literal_K_operand, mcore_addsub_operand,
953         mcore_compare_operand, mcore_load_multiple_operation,
954         mcore_store_multiple_operation, mcore_call_address_operand.
955         Add a prototype for const_ok_for_mcore.
956         * config/mcore/mcore.c (mcore_call_address_operand,
957         mcore_general_movsrc_operand, mcore_general_movdst_operand,
958         mcore_arith_reg_operand, mcore_reload_operand,
959         mcore_arith_J_operand, mcore_arith_K_operand,
960         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
961         mcore_arith_M_operand, mcore_arith_imm_operand,
962         mcore_arith_any_imm_operand, mcore_arith_O_operand,
963         mcore_literal_K_operand, mcore_addsub_operand,
964         mcore_compare_operand, mcore_load_multiple_operation,
965         mcore_store_multiple_operation): Move to predicates.md.
966         (const_ok_for_mcore): Export.
967         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
968         * config/mcore/mcore.md: Include predicates.md.
969         * config/mcore/predicates.md: New.
970
971         * config/mcore/predicates.md: Fix a comment typo.
972
973 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
974             Adrian Straetling  <straetling@de.ibm.com>
975
976         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
977         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
978         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
979         attribute.
980         ("imul"): Removed from "type" attribute.
981         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
982         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
983         Changed type to imulsi.
984         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
985
986 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
987
988         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
989         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
990         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
991         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
992         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
993         (TARGET_SWITCHES, mcore_stack_increment_string)
994         (TARGET_OPTIONS): Delete.
995         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
996         than *_BIT constants.
997         (TARGET_8ALIGN): #undef old definition before redefining to 1.
998         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
999         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
1000         (mcore_override_options): Delete mcore_stack_increment code.
1001         Change use of M340_BIT to MASK_M340.
1002         * config/mcore/mcore.opt: New file.
1003
1004 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1005
1006         * config/arm/arm.c (replace_symbols_in_block): Remove static
1007         function.
1008
1009 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1010
1011         * config/fr30/fr30-protos.h: Remove the prototypes for
1012         stack_add_operand, add_immediate_operand,
1013         high_register_operand, low_register_operand, call_operand,
1014         di_operand, and nonimmediate_di_operand.
1015         * config/fr30/fr30.c (stack_add_operand,
1016         add_immediate_operand, high_register_operand,
1017         low_register_operand, call_operand, di_operand,
1018         nonimmediate_di_operand): Move to predicates.md.
1019         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
1020         * config/fr30/fr30.md: Include predicates.md.
1021         * config/fr30/predicates.md: New.
1022
1023         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
1024         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
1025         mcore_call_address_operand.
1026
1027         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
1028         general_movsrc_operand.
1029
1030 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
1031
1032         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
1033         after freeing.
1034
1035 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
1036
1037         PR target/14812
1038         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
1039         a negated value.
1040
1041 2005-04-04  Richard Henderson  <rth@redhat.com>
1042             Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR rtl-optimization/16104
1045         * fold-const.c (fold_unary): Fix folding of vector conversions.
1046
1047 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1048
1049         * config.gcc (xstormy16-*-elf): Set extra_options.
1050         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
1051         * config/stormy16/stormy16.opt: New file.
1052
1053 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1054
1055         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
1056         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
1057         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
1058         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
1059         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
1060         (TARGET_UNIX_ASM): Delete.
1061         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
1062         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
1063         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
1064         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1065         * config/pdp11/pdp11.opt: New file.
1066
1067 2005-04-03  Roger Sayle  <roger@eyesopen.com>
1068             Alexandre Oliva  <aoliva@redhat.com>
1069
1070         PR c++/19199
1071         * fold-const.c (non_lvalue): Split tests into...
1072         (maybe_lvalue_p): New function.
1073         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
1074         C++ front-end prior to lowering into gimple form.
1075
1076 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1077
1078         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
1079         BUILT_IN_STRNCASECMP): New.
1080         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
1081         and strndup.
1082
1083 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
1084
1085         PR target/14812
1086         * arm.md (addsi3_compare0_for_combiner): Delete.
1087         (addsi3_compare0_scratch_for_combiner): Delete.
1088         (cmpsi_neg_shiftsi): Delete.
1089         (compare_negsi_si): New pattern.
1090         (cmpsi_negshiftsi_si): New pattern.
1091         (negated_cbranchsi4): Restrict to equality_operator.
1092         
1093         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
1094         template.
1095
1096 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1097
1098         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
1099         Fix comment typos.
1100
1101         * doc/install.texi: Fix a typo.
1102
1103 2005-04-03  Steven Bosscher  <stevenb@suse.de>
1104
1105         PR middle-end/20648
1106         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
1107         a computed goto if the edge to the computed goto block has
1108         incoming abnormal edges.  Clarify how the function works.
1109
1110 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
1111
1112         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
1113         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
1114         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
1115         hash_scan_set, reg_set_between_after_reload_p,
1116         reg_used_between_after_reload_p, get_avail_load_store_reg,
1117         eliminate_partially_redundant_load): Likewise.
1118         * postreload.c (reload_cse_simplify_set,
1119         reload_combine_note_use): Likewise.
1120         * predict.c (predict_insn, expected_value_to_br_prob,
1121         propagate_freq, expensive_function_p): Likewise.
1122         * print-rtl.c (print_rtx): Likewise.
1123         * profile.c (instrument_edges, instrument_values,
1124         compute_branch_probabilities, branch_prob, union_groups,
1125         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
1126         * protoize.c (in_system_include_dir, file_could_be_converted,
1127         file_normally_convertible, gen_aux_info_file, seek_to_line,
1128         do_cleaning): Likewise.
1129         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
1130         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1131         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1132
1133 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1134
1135         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
1136         * modulo-sched.c (undo_replace_buff_elem): New structure.
1137         (kernel_number_of_cycles, ps_unschedule_node,
1138         undo_generate_reg_moves,free_undo_replace_buff,
1139         undo_permute_partial_schedule,  loop_single_full_bb_p,
1140         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
1141         build_loops_structure, get_sched_window): New.
1142         (generate_reg_moves): Return undo_replace_buff_elem and other
1143         fixes.
1144         (generate_prolog_epilog): Remove old loop versioning.
1145         (sms_schedule): Use loop information and loop_version.
1146         (sms_schedule_by_order): Split part of it to get_sched_window.
1147         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
1148         cfg_layout_finalize and free_dominance_info before/after SMS.
1149
1150 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1151
1152         * cfghooks.c (lv_flush_pending_stmts,
1153         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
1154         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
1155         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
1156         lv_add_condition_to_bb,
1157         lv_adjust_loop_header_phi, extract_cond_bb_edges,
1158         flush_pending_stmts): New in cfg_hooks structure.
1159         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
1160         extract_cond_bb_edges, lv_adjust_loop_header_phi,
1161         lv_add_condition_to_bb): New declarations.
1162         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
1163         bool.
1164         (loop_version): Declare.
1165         * cfgloopmanip.c (cfghooks.h): Include.
1166         (duplicate_loop_to_header_edge): Change return type to bool.
1167         (loop_version, lv_adjust_loop_entry_edge): Move here.
1168         * cfgrtl.c (cfgloop.h): Include.
1169         (rtl_verify_flow_info_1): Fix.
1170         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
1171         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
1172         initialization.
1173         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
1174         tree_lv_add_condition_to_bb): New.
1175         (tree_cfg_hooks): Add new hooks to initialization.
1176         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
1177         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
1178
1179 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1180
1181         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
1182         xstormy16_below100_or_register,
1183         xstormy16_splittable_below100_or_register, and
1184         nonimmediate_nonstack_operand.
1185
1186         * config/stormy16/stormy16-protos.h: Remove the prototypes for
1187         xstormy16_ineqsi_operator, equality_operator,
1188         inequality_operator, shift_operator,
1189         xstormy16_below100_operand, xstormy16_below100_or_register,
1190         xstormy16_splittable_below100_or_register,
1191         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
1192         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
1193         equality_operator, inequality_operator,
1194         xstormy16_below100_operand, xstormy16_below100_or_register,
1195         xstormy16_splittable_below100_or_register,
1196         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
1197         nonimmediate_nonstack_operand, shift_operator): Move to
1198         predicates.md.
1199         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
1200         * config/stormy16/stormy16.md: Include predicates.md.
1201         * config/stormy16/predicates.md: New.
1202
1203 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1204
1205         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
1206         small_int, large_int, reg_or_0_operand, simple_memory_operand,
1207         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
1208         move_operand, power_of_2_operand): Move to predicates.md.
1209         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
1210         PREDICATE_CODE): Remove.
1211         * config/iq2000/iq2000.md: Include predicates.md.
1212         * config/iq2000/predicates.md: New.
1213
1214 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
1215
1216         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
1217         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
1218         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
1219         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
1220         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
1221         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
1222         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
1223         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1224         (TARGET_M68HC11): Delete.
1225         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
1226         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
1227         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
1228         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1229         (nb_soft_regs): Delete.
1230         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
1231         (m68hc11_override_options): Remove the code that caters for MASK_M6811
1232         and MASK_M6812 being set simultaneously.  Change the code that sets
1233         the default m68hc11_soft_reg_count to use integers instead of strings.
1234         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
1235         m68hc11_soft_reg_count (which now has an int type) as the number
1236         of soft registers.
1237         * config/m68hc11/m68hc11.opt: New file.
1238
1239 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1240
1241         * config/fr30/fr30.h (PREDICATE_CODES): Remove
1242         fp_displacement_operand, sp_displacement_operand.
1243
1244         * config/m68hc11/m68hc11-protos.h: Add a prototype for
1245         m68hcc_auto_inc_p.
1246         Remove the prototypes for tst_operand, cmp_operand,
1247         stack_register_operand, d_register_operand,
1248         hard_addr_reg_operand, splitable_operand,
1249         m68hc11_logical_operator, m68hc11_arith_operator,
1250         m68hc11_non_shift_operator, m68hc11_shift_operator,
1251         m68hc11_unary_operator, m68hc11_eq_compare_operator,
1252         non_push_operand, hard_reg_operand, and
1253         reg_or_some_mem_operand.
1254         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
1255         extern.
1256         (tst_operand, cmp_operand, non_push_operand,
1257         splitable_operand, reg_or_some_mem_operand,
1258         stack_register_operand, d_register_operand,
1259         hard_addr_reg_operand, hard_reg_operand,
1260         m68hc11_eq_compare_operator, m68hc11_logical_operator,
1261         m68hc11_arith_operator, m68hc11_non_shift_operator,
1262         m68hc11_shift_operator, m68hc11_unary_operator): Move to
1263         predicates.md.
1264         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
1265         * config/m68hc11/m68hc11.md: Include predicates.md.
1266         * config/m68hc11/predicates.md: New.
1267
1268 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1269
1270         PR debug/19345
1271         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
1272         change checked in along with 2005-03-03's patch for debug/20253.
1273         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
1274         (remap_decl): Insert type decl in map earlier.
1275
1276 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1277
1278         PR tree-optimization/20640
1279         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
1280         post-dominator if it has phi nodes.
1281         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
1282         before dead statements.
1283
1284 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1285
1286         PR middle-end/20491
1287         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
1288
1289 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1290
1291         PR rtl-optimization/20290
1292         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
1293         in every iteration if the entry point is the exit test.
1294
1295 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
1296
1297         * config/cris/cris.md (attribute "length"): Define.
1298
1299 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
1300
1301         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
1302         (word_offset_memref_operand): New.
1303         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
1304         (indexed_or_indirect_operand): Delete.
1305         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
1306         (indexed_or_indirect_operand): Delete.
1307
1308         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
1309
1310         PR 20650
1311         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
1312         a register.
1313
1314         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
1315         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
1316
1317 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1318
1319         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
1320
1321 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1322
1323         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
1324         (rus, prus): Remove static variables.
1325         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
1326         (process_command): Permit report_times and use_pipes together.
1327
1328 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1329
1330         * c-decl.c (validate_proto_after_old_defn): Look at
1331         TYPE_MAIN_VARIANT of argument types.
1332
1333 2005-04-01  Paul Brook  <paul@codesourcery.com>
1334
1335         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
1336         (arm_output_function_epilogue): Allow call_via_SP.
1337         (thumb_call_via_reg, arm_file_end): Ditto.
1338         * config/arm/arm.h (struct machine_function): Include space for SP.
1339         (thumb_call_via_label): Update declaration.
1340
1341 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1342
1343         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
1344         doing a peephole optimization, once again put any notes in the
1345         proper position.
1346
1347 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1348
1349         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
1350
1351 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1352
1353         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
1354         (block_alloc, find_free_reg): Likewise.
1355         * loop-doloop.c (doloop_modify): Likewise.
1356         * loop-invariant.c (record_use): Likewise.
1357         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
1358         get_iv_value, canon_condition, eliminate_implied_condition,
1359         eliminate_implied_condition, simplify_using_initial_values,
1360         shorten_into_mode, canonicalize_iv_subregs,
1361         iv_number_of_iterations): Likewise.
1362         * loop-unroll.c (expand_var_during_unrolling): Likewise.
1363         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
1364         unswitch_loop): Likewise.
1365         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
1366         move_movables, replace_call_address, find_and_verify_loops,
1367         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
1368         record_giv, final_giv_value, general_induction_var,
1369         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
1370         loop_giv_dump): Likewise.
1371
1372         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
1373         GCOV_CHECK_WRITING): Remove.
1374         (gcov_position, gcov_rewrite): Use gcc_assert.
1375         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
1376         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
1377         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
1378         gcc_assert.
1379
1380 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1381
1382         * tree-inline.c: Fix a typo.
1383
1384 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1385
1386         * configure.ac (enable-checking): Explicitly set all variables for
1387         collective switch values.  Alphabetize variables. Rename
1388         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1389         synonym for 'no'.
1390         * doc/install.texi (enable-checking): Update documentation.
1391         * configure: Rebuilt.
1392
1393 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1394
1395         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1396         possible.
1397
1398 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1399
1400         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1401         Also reject cases where this pattern will cause load delay stalls
1402         unless optimizing for size and it will produce a shorter sequence.
1403         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1404         variants to avoid pre-adjusting the base when possible.
1405
1406 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1407
1408         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1409         the frame and argument pointers.
1410         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1411         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1412         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1413         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1414         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1415         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1416
1417 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1418
1419         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1420         with entry for selectany attribute.
1421         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1422         Declare.
1423         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1424         (i386_pe_asm_named_section): Handle sections generated by
1425         selectany attribute.
1426         * doc/extend.texi (selectany): Document attribute.
1427
1428 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1429             Jan Hubicka  <jh@suse.cz>
1430
1431         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1432         to fix addresses involving EBP and ESP.
1433         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1434         for SUBREGed registers.
1435         (legitimate_address_p): Accept SUBREGed registers.
1436
1437 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1438
1439         PR c++/19406
1440         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1441         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1442         for FIELD_DECLs.
1443
1444 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1445
1446         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1447
1448 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1449
1450         PR c++/20505
1451         * dwarf2out.c (rtl_for_decl_init): New function.
1452         (rtl_for_decl_location): Extracted from here.
1453         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1454         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1455
1456 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1459         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1460         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1461         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1462         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1463         config/i386/i386.md, config/rs6000/predicates.md,
1464         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1465         config/s390/s390.c, config/stormy16/stormy16.c,
1466         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1467         typos.
1468
1469 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1470
1471         PR c/17855
1472         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1473         COND_EXPR and CALL_EXPR.
1474
1475 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1476
1477         PR target/20632
1478         * genautomata.c (first_cycle_unit_presence): Check all alternative
1479         states for unit presence.
1480
1481         * doc/md.texi: Remove remark about impossibility to query unit
1482         presence in non nondeterministic automaton state.
1483         
1484         * config/ia64/ia64.c (get_template): Change order of unit querying.
1485
1486 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1487
1488         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1489         obsolete comment.
1490
1491 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1492
1493         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1494         flag for edges outside any loops.
1495
1496 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1497
1498         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1499
1500 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1501
1502         * tree-ssa-alias.c: Follow spelling conventions.
1503         * doc/tree-ssa.texi: Fix a typo.
1504
1505 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1506
1507         * postreload-gcse.c: Include target.h.
1508         (gcse_after_reload_main): Return early if we cannot modify jumps.
1509         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1510
1511 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1512
1513         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1514         expensive operations.
1515
1516 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1517
1518         * collect2.c (lderrout): New variable.
1519         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1520         if it is set, to stderr.
1521         (handler): Unlink lderrout if it is set.
1522         (dump_file): Add "to" parameter.  Change all callers.
1523         (main): Initialize lderrout.
1524         (collect_execute): Add errname parameter.  Change all callers.
1525         Rename redir parameter to outname.  Never pass
1526         PEX_STDERR_TO_STDOUT to pex_run.
1527         * collect2.h (collect_execute, dump_file): Update declarations.
1528         * tlink.c (tlink_execute): Add errname parameter.  Change all
1529         callers.
1530         (do_tlink): Check lderrout as well as ldout.
1531
1532 2005-03-31  Caroline Tice  <ctice@apple.com>
1533
1534         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1535         (bb-reorder.o): Add errors.h to list of requirements.
1536         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1537         profiledbootstrap flags.
1538         * bb-reorder.c (errors.h): Add new include.
1539         (struct bbro_basic_block_data_def): Add new field, in_trace.
1540         (add_unlikely_executed_notes):  Remove function.
1541         (mark_bb_for_unlikely_executed_section): Remove function.
1542         (insert_section_boundary_note): New function.
1543         (verify_hot_cold_block_grouping): New function.
1544         (push_to_next_round_p): Remove variables and tests that push all
1545         cold blocks to last round.
1546         (find_traces): Remove code that added extra round of trace finding
1547         when doing partitioning.
1548         (find_traces_1_round) :  Remove variable last_round;  add code to 
1549         update new struct field, in_trace; correct trace_length where it was 
1550         incorrect before (after call to copy_bb); change code that pushed all 
1551         cold blocks to last round. Instead verify that all blocks going into 
1552         a trace belong in the same partition.
1553         (connect_traces): Modify to connect the traces in two passes, if the
1554         function contains both hot and cold blocks.  The first pass connects 
1555         all the traces for blocks in the partition that the first block in 
1556         the function belongs to; the second pass connnects all the traces 
1557         containing blocks that belong in the other partition.
1558         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1559         code that automatically put the first block in a function into the
1560         hot partition if the function had any hot blocks.
1561         (fix_crossing_unconditional_branches): Check number of succ edges 
1562         before attempting to get one.
1563         (fix_edges_for_rarely_executed_code):  Update comment describing
1564         function.
1565         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1566         remove call to add_unlikely_executed_notes; add call to 
1567         verify_hot_cold_block_grouping.
1568         (duplicate_computed_gotos): Don't change computed goto if it's a 
1569         crossing edge.
1570         (partition_hot_cold_basic_blocks):  Update function comment.
1571         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1572         condition.
1573         (try_forward_edges): Likewise.
1574         (merge_blocks_move_predecessor_nojumps): Likewise.
1575         (merge_blocks_move_successor_nojumps): Likewise.
1576         (merge_blocks_move): Likewise.
1577         (try_crossjump_bb): Likewise.
1578         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1579         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1580         notes to cold bb's; remove call to update_unlikely_executed_notes.
1581         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1582         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1583         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1584         function declaration.
1585         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1586         from consideration.
1587         (rtl_can_merge_blocks): Remove redundancy from condition.
1588         (try_redirect_by_replacing_jump): Likewise.
1589         (force_nonfallthru_and_redirect): Remove code for adding
1590         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1591         (commit_one_edge_insertion): Likewise.
1592         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1593         * dbxout.c (FORCE_TEXT): Replace function_section with 
1594         current_function_section.
1595         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1596         function, switch_text_section.
1597         (struct xcoff_debug): Likewise.
1598         (dbxout_function_end): Add code to put out label diffs for both
1599         hot and cold sections.
1600         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1601         for new debug_hooks funciton, switch_text_section..
1602         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1603         switch_text_section.
1604         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1605         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1606         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1607         dw_fde_switched_sections.
1608         (output_call_frame_info):  Add test to see if function switches text
1609         sections in the middle; if so, use appropriate extra hot and cold 
1610         section labels to compute size deltas for the hot and cold sections.
1611         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1612         dw_fde_struct.
1613         (dwarf2out_switch_text_section): New function (invoked through 
1614         debug_hook); updates new fields in dw_fde_struct appropriately and
1615         increments separate_line_info_table_in_use.
1616         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1617         dwarf2out_switch_text_section.
1618         (struct var_loc_node): Add new field, section_label.
1619         (output_aranges): Add code to check whether in hot or cold section and
1620         use the appropriate label in calculating deltas.
1621         (output_ranges): Likewise.
1622         (output_line_info): Add code to check which section we're in and
1623         use appropriate hot/cold label.
1624         (add_location_or_constant_value_attribute): Likewise.
1625         (gen_subprogam_die): Modify arange attributes to use correct labels.
1626         (dwarf2out_begin_block): Change call to function_section into call to
1627         current_function_section.
1628         (dwarf2out_end_block): Likewise.
1629         (dwarf2out_source_line): Likewise.
1630         (dwarf2out_var_location): Add code to check whether in hot or cold 
1631         section and use the appropriate label.
1632         * except.c (output_function_exception_table): Change call to 
1633         function_section into call to current_function_section.
1634         * final.c (profile_function): Likewise.
1635         (scan_ahead_for_unlikely_executed_note): Remove function.
1636         (final_scan_insn):  Remove calls to 
1637         scan_ahead_for_unlikely_executed_note, and related code for switching 
1638         to cold section, except for the single time 
1639         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1640         debug_hooks->switch_text_sections; replace appropriate calls to 
1641         function_section with calls to current_function_section.
1642         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1643         test_bb to condition.
1644         (find_if_case_2): Likewise.
1645         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1646         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1647         * opts.c (decode_options): Change warning about hot/cold partitioning
1648         with exceptionss to inform (so as not to cause bootstrap failures);
1649         remove warning about partitioning with DWARF debug info.
1650         * output.h (current_function_section): Add new function decl.
1651         (insert_section_boundary_note): Likewise.
1652         (enum in_section): Move this declaration here from varasm.c.
1653         (unlikely_section_label): Likewise.
1654         (unlikely_text_section_name): Likewise.
1655         (last_text_section_name): New global variable.
1656         (last_text_section): Likewise.
1657         (hot_section_label): Likewise.
1658         (hot_section_end_label): Likewise.
1659         (cold_section_end_label): Likewise.
1660         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1661         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1662         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1663         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1664         insn from consideration.
1665         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1666         switch_text_section.
1667         * varasm.c (basic-block.h): Add new include.
1668         (unlikely_section_label_printed): Remove global variable.
1669         (unlikely_section_label): Make global variable not be static any more.
1670         (unlikely_text_section_name): Likewise.
1671         (hot_section_end_label): New global variable (not static)
1672         (first_function_block_is_cold): Likewise.
1673         (hot_section_label): Likewise.
1674         (cold_section_end_label): Likewise..
1675         (last_text_section): New global variable, not static.
1676         (last_text_section_name): New global variable, not static.
1677         (initialize_cold_section_name): New function.
1678         (enum in_section): Move declaration to output.h.
1679         (text_section): Update last_text_section.
1680         (unlikely_text_section): Replace code to determine cold section name 
1681         with call to initialize_cold_section_name; Add code to update 
1682         last_text_section; remove code for printing out label.
1683         (named_section_real): Add code to update last_text_section and 
1684         last_text_section_name as appropriate.
1685         (function_section): Change test for 'unlikely' to depend on
1686         first_function_block_is_cold (moved old test to 
1687         current_function_section).
1688         (current_function_section): New function.
1689         (assemble_start_function): Move code that frees 
1690         unlikely_text_section_name; initialize hot_section_end_label; 
1691         print hot and cold section labels at the start of the function; 
1692         set first_function_block_is_cold, if appropriate; initialize l
1693         ast_text_section; add call to insert_section_boundary_note.
1694         (assemble_end_function):  Add code to write out hot and cold section
1695         end labels.
1696         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1697         switch_text_section.
1698         * config/darwin.c (machopic_select_section): Replace incorrect 
1699         function in base_funs; update reloc for cold sections if necessary.
1700         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1701         last_text_section if appropriate.
1702         (text_unlikely_section): Remove.
1703         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1704         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1705         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1706         partitioning for this architecture.
1707
1708 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1709
1710         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1711         defined and non-zero.
1712
1713 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1714
1715         PR c++/18644
1716         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1717         semantics. 
1718
1719 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1720
1721         PR target/20611
1722         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1723         label operand.  Remove (use (unspec..)).  Don't emit a label on
1724         the offset word.
1725         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1726         generate inline label for load_toc_v4_PIC_1b.
1727         (rs6000_emit_load_toc_table): Likewise.
1728
1729 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1730
1731         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1732         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1733
1734 2005-03-29  Devang Patel  <dpatel@apple.com>
1735
1736         * tree-sra.c (decide_block_copy): Disable scalarization of
1737         sub-elements.
1738         
1739 2005-03-30  Stuart Hastings  <stuart@apple.com>
1740             Dale Johannesen  <dalej@apple.com>
1741
1742         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1743         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1744
1745 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1746
1747         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1748         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1749         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1750         is given with "powerpc64*" or "all", or when --with-cpu chooses
1751         a 64-bit cpu.
1752
1753 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1754
1755         PR debug/20268
1756         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1757         gen_lexical_block_die.
1758         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1759
1760 2005-03-31  Jan Hubicka  <jh@suse.cz>
1761
1762         2004-11-02  Jan Hubicka  <jh@suse.cz>
1763
1764         * cgraph.c (cgraph_varpool_node_name): New function.
1765         (dump_cgraph_varpool_node): New function.
1766         (dump_varpool): New function.
1767         * cgraphunit.c (cgraph_optimize): Dump varpool.
1768
1769         2004-10-16  Jan Hubicka  <jh@suse.cz>
1770
1771         * cgraph.c (decide_is_variable_needed): New function.
1772         (cgraph_varpool_finalize_decl): Use it.
1773         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1774         unit-at-a-time.
1775         * final.c (output_addr_const): Do not call mark_referenced.
1776         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1777         always go via cgraph.
1778         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1779         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1780         * tree-optimize.c (execute_inline): Mark functions called.
1781         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1782
1783         2004-10-11  Jan Hubicka  <jh@suse.cz>
1784
1785         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1786         (cgraph_varpool_last_needed_node): New static variable.
1787         (enqueue_needed_varpool_node): Break out from ...; add items to the
1788         end of queue; update first pointers.
1789         (cgraph_varpool_mark_needed_node): ... here.
1790         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1791         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1792         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1793         (cgraph_varpool_first_unanalyzed_node): Declare.
1794         * cgraphunit.c: Include output.h.
1795         (cgraph_varpool_analyze_pending_decls): New function.
1796         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1797         for errors, analyze pending decls.
1798         (cgraph_finalize_compilation_unit): Only analyze decls.
1799         (cgraph_optimize): Assemble the decls after expanding.
1800
1801 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1802
1803         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1804         subvars get marked properly in tags for grouping.
1805         (add_pointed_to_var): Mark only actual pointed to
1806         variables/subvars in addresses needed.
1807         (create_overlap_variables_for): Clear call clobbered on original
1808         variable.
1809         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1810         addresable vars with subvars into list.
1811         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1812         subvar should be.
1813
1814 2005-03-30  Richard Henderson  <rth@redhat.com>
1815
1816         * cgraph.h (struct cgraph_node): Add alias.
1817         * varasm.c (assemble_alias): Set it.
1818         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1819         avoid calling cgraph_expand_function.
1820
1821 2005-03-30  Tom Tromey  <tromey@redhat.com>
1822
1823         * tree.def (FILE_TYPE): Removed.
1824         * typeclass.h (enum type_class): Removed file_type_class.
1825         * dwarf2out.c (is_base_type): Updated.
1826         (gen_type_die): Likewise.
1827         * dbxout.c (dbxout_type): Updated.
1828         * builtins.c (type_to_class): Updated.
1829         * tree.c (type_contains_placeholder_1): Updated.
1830         * config/sparc/sparc.c (sparc_type_code): Updated.
1831         * config/ia64/ia64.c (hfa_element_mode): Updated.
1832         * expr.c (count_type_elements): Updated.
1833         * stor-layout.c (layout_type): Updated.
1834         * tree-inline.c (remap_type): Updated.
1835         * tree-pretty-print.c (dump_generic_node): Updated.
1836
1837 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1838
1839         * builtins.c (expand_builtin_powi): Fix mode of
1840         2nd argument to match int.
1841         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1842         2nd argument type to int.
1843         * libgcc2.c: Change prototype of __powi* functions to use
1844         int.
1845
1846 2005-03-30  Dale Johannesen  <dalej@apple.com>
1847
1848         PR middle-end/19225
1849         * calls.c (expand_call):  Flush pending deferrals before
1850         throwing call.
1851
1852 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1853
1854         PR c/772
1855         PR c/17913
1856         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1857         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1858         c_label_context, label_context_stack): New.
1859         * c-decl.c (define_label): Check for jumps into statement
1860         expressions.  Add label to list of defined labels.
1861         (start_function): Push context on label_context_stack.
1862         (finish_function): Pop context from label_context_stack.
1863         * c-typeck.c (label_context_stack): New.
1864         (c_finish_goto_label): Check for jumps into statement
1865         expressions.  Add label to list of jumped to labels.
1866         (struct c_switch): Add blocked_stmt_expr.
1867         (c_start_case): Initialize it.
1868         (do_case): Check it.
1869         (c_finish_case): Verify !blocked_stmt_expr.
1870         (c_begin_stmt_expr):  Push context on label_context_stack.
1871         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1872         as undefinable.
1873         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1874         defined in the statement expression and no longer jumpable to.
1875         Mark labels jumped to from just outside the statement expression
1876         as again definable.  Pop context from label_context_stack.
1877         * doc/extend.texi (Statement Exprs): Update.
1878
1879 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1880
1881         PR c/20368
1882         * c-decl.c (start_function): Check for old_decl being
1883         error_mark_node.
1884
1885 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1886
1887         * final.c (final): Remove prescan parameter.  Change all callers.
1888         (final_scan_insn): Remove prescan parameter.  Change all callers.
1889
1890 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1891
1892         * tree-vectorizer.c: Fix comment typos.
1893
1894 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1895
1896         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1897         as soon as a chrec_dont_know is detected.
1898
1899 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1900
1901         Merge from csl-arm-branch.
1902         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1903
1904         * tlink.c (recompile_files): Do not assume that "rename" can
1905         overwrite an existing file.
1906
1907 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1908
1909         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1910         * gcc/configure: Regenerate.
1911
1912 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1913
1914         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1915
1916         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1917
1918         * calls.c (struct arg_data): Update "partial" comment.
1919         (load_register_parameters): Update "nregs" comment.
1920
1921 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1922
1923         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1924         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1925         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1926         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1927         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1928         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1929         than target_flags & 0.
1930         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1931         (iq2000_arch, iq2000_parse_cpu): Delete.
1932         (TARGET_HANDLE_OPTION): Override default.
1933         (iq2000_handle_option): New function.
1934         (override_options): Remove -march= and -mcpu= handling.
1935         * config/iq2000/iq2000.opt: New file.
1936
1937 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1938
1939         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1940         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1941         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1942         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1943         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1944         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1945         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1946         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1947         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1948         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1949         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1950         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1951         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1952         (TARGET_OPTIONS): Delete.
1953         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1954         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1955         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1956         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1957         (c4x_cpu_version_string): Delete.
1958         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1959         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1960         equivalent -mcpu= option.
1961         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1962         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1963         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1964         or clearing the appropriate MASK_* bit.
1965         (c4x_file_start): Use c4x_cpu_version.
1966         * config/c4x/c4x.opt: New file.
1967
1968 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1969
1970         * doc/options.texi: Document the new MaskExists flag.
1971         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1972         if the option has the MaskExists flag.
1973
1974 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1975
1976         * opt-functions.awk (flag_set_p, test_flag): New functions.
1977         (switch_flags): Use them.
1978         * opth-gen.awk: Use flag_set_p to check for flags.
1979         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1980
1981 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1982
1983         * config.host (i[34567]86-*-mingw32*): Don't set
1984         host_can_use_collect2 to no.
1985
1986 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1987
1988         PR target/20203
1989         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1990         Remove convert_memory_address call duplicating that in memory_address.
1991
1992 2005-03-29  Richard Henderson  <rth@redhat.com>
1993
1994         PR c/20519
1995         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1996         (build_compound_literal): Likewise.  Propagate decl type into the
1997         initializer.
1998         (finish_decl): Likewise.  Use new return value from complete_array_type
1999         for zero sized arrays.
2000         (complete_array_type): Move ...
2001         * c-common.c (complete_array_type): ... here.  Change first argument
2002         to pointer-to-type-node.  Consistently use sizetype for the index
2003         except for zero sized arrays.  Detect zero sized arrays for pedantic
2004         mode diagnostics.  Create a new type node instead of modifying the
2005         old node in place.
2006         * c-tree.h (complete_array_type): Move decl ...
2007         * c-common.h (complete_array_type): ... here.
2008
2009 2005-03-29  Richard Henderson  <rth@redhat.com>
2010
2011         PR tree-opt/19108
2012         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
2013
2014 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
2015
2016         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
2017         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
2018         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
2019         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
2020
2021 2005-03-29  Eric Christopher  <echristo@redhat.com>
2022
2023         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
2024         truthvalue conversion removal.
2025
2026 2005-03-29  Ian Lance Taylor  <ian@airs.com>
2027
2028         PR bootstrap/14316
2029         * collect2.c: Never include <vfork.h>.
2030         (VFORK_STRING, vfork): Don't define.
2031         (pid): Remove global variable.
2032         (handler): Call raise instead of kill (getpid(), ...).
2033         (collect_wait): Add pex parameter.  Change all callers.  Use
2034         pex_get_status rather than pwait.
2035         (do_wait): Add pex parameter.  Change all callers.
2036         (collect_execute): Return struct pex_obj * rather than void.  Use
2037         pex routines rather than pexecute.
2038         (fork_execute): Get pex_obj from collect_execute, and pass it to
2039         do_wait.
2040         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
2041         Only declare quit_handler if SIGQUIT is defined.
2042         (scan_libraries): Likewise.
2043         * collect2.h (collect_execute): Update declaration.
2044         (collect_wait): Update declaration.
2045         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
2046         pass it to collect_wait.
2047
2048 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
2049
2050         PR c/20672
2051         * c-parser.c (c_parser_compound_statement_nostart): Give error
2052         message for EOF instead of just setting parser->error.
2053
2054 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
2055
2056         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
2057         (slpeel_update_phi_nodes_for_guard1): New function.
2058         (slpeel_update_phi_nodes_for_guard2): New function.
2059         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
2060         of slpeel_update_phi_nodes_for_guard.
2061         (vectorize_loops): Remove call to loop_closed_rewrite.
2062         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
2063         assertion.
2064
2065 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
2066
2067         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
2068         (TARGET_LITTLE_ENDIAN): New macro.
2069         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
2070         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
2071         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
2072         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
2073         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
2074         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
2075         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
2076         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
2077         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
2078         (TARGET_OPTIONS): Delete.
2079         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
2080         (CACHE_FLUSH_TRAP): Turn into an integer.
2081         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
2082         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
2083         -mflush-trap is in use.
2084         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
2085         (m32r_cache_flush_trap_string): Delete.
2086         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
2087         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
2088         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
2089         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2090         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
2091         -mmodel= and -msdata= handling from...
2092         (m32r_init): ...here.
2093         * config/m32r/m32r.opt: New file.
2094
2095 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
2096
2097         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
2098         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
2099         * tree-vect-analyze.c (vect_object_analysis): additional parm
2100         pass back a "struct ptr_info_def *" with the points-to info.
2101         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
2102         statement using info returned from vect_object_analysis.
2103         * tree-vect-transform.c (update_vuses_to_preheader): New function.
2104         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
2105         for virtual uses and defs when creating a replacement vector
2106         reference.  Call duplicate_ssa_name_ptr_info to define points-to
2107         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
2108         (vectorizable_store): copy_virtual_operands and update
2109         definition statements.
2110         (vectorizable_load): copy_virtual_operands.  Remove call to
2111         mark_call_clobbered_vars_to_rename for call to "const" builtin.
2112         * tree-vectorizer.c (vectorize_loops): Remove calls to
2113         rewrite_into_ssa and bitmap_clear (vars_to_rename).
2114         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
2115         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
2116         define macro STMT_VINFO_PTR_INFO for use in accessing.
2117         * tree.h add export of duplicate_ssa_name_ptr_info.
2118         * rs6000.c (altivec_init_builtins): Declare builtin function
2119         __builtin_altivec_mask_for_load to be "const".
2120
2121 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
2122
2123         PR middle-end/20622
2124         * cgraph.h (struct cgraph_varpool_node): Add alias field.
2125         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
2126         assemble_variable on aliases.
2127         * varasm.c (assemble_alias): Set node->alias.
2128         * toplev.c (wrapup_global_declarations): Don't call
2129         rest_of_decl_compilation on aliases again.
2130
2131 2005-03-29  Paul Brook  <paul@codesourcery.com>
2132
2133         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
2134         * config/arm/arm.c (arm_dbx_register_number): New function.
2135         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
2136
2137 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
2138
2139         PR middle-end/20263
2140         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
2141         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
2142
2143 2005-03-29  Dale Johannesen <dalej@apple.com>
2144
2145         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
2146         $(TREE_H) and $(COVERAGE_H).
2147         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
2148         * opts.c (common_handle_option): Enable tree-based value transforms.
2149         * toplev.c (process_options): Ditto.
2150         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
2151         refers to references to this type.
2152         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
2153         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
2154         for may_be_more, may_be_less.
2155         (rtl_gen_pow2_profiler): Adjust.
2156         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
2157         (rtl_gen_one_value_profiler): Adjust.
2158         (rtl_gen_const_delta_profiler): Adjust.
2159         * tree-profile.c (tree_gen_interval_profiler): Implement.
2160         (tree_gen_pow2_profiler): Ditto.
2161         (tree_gen_one_value_profiler): Ditto.
2162         (tree_profiling): New.
2163         (pass_tree_profile): Reference it.
2164         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
2165         tree.h, gcov-io.h.
2166         (insn_divmod_values_to_profile): Rename to
2167         rtl_divmod_values_to_profile. Adjust.
2168         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
2169         (insn_prefetch_values_to_profile): Adjust.
2170         (rtl_value_profile_transformations): Adjust.
2171         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
2172         (gen_mod_pow2): Rename to rtl_mod_pow2.
2173         (gen_mod_subtract): Rename to rtl_mod_subtract.
2174         (divmod_fixed_value_transform): Rename to
2175         rtl_divmod_fixed_value_transform.
2176         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
2177         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
2178         (rtl_find_values_to_profile): Adjust.
2179         (tree_value_profile_transformations): Implement.
2180         (tree_divmod_values_to_profile): New.
2181         (tree_values_to_profile): New.
2182         (tree_divmod_fixed_value): New.
2183         (tree_mod_pow2): New.
2184         (tree_mod_subtract): New.
2185         (tree_divmod_fixed_value_transform): New.
2186         (tree_mod_pow2_value_transform): New.
2187         (tree_mod_subtract_transform): New.
2188         (tree_find_values_to_profile): Implement.
2189         * profile.c (instrument_values):  Free histograms.
2190         (compute_value_histograms): Adjust. Implement tree version.
2191
2192 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
2193
2194         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
2195         * config/i386/i386.c (output_fix_trunc): Add new round_mode
2196         variable.  Output "fldcw" depending on round_mode.
2197         * config/i386/i386.md (UNSPEC_FIST): New.
2198         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
2199         New isns patterns to implement lrint and llrint built-ins as x87
2200         intrinsic function.
2201         (fistdi2, fist<mode>2 splitters): New splitters.
2202         (lrint<mode>2): New expanders.
2203
2204 2005-03-28  Ian Lance Taylor  <ian@airs.com>
2205
2206         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
2207         0 when calling final_scan_insn.
2208
2209 2005-03-28  Jan Hubicka  <jh@suse.cz>
2210
2211         PR middle-end/20635
2212         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
2213         as needed.
2214
2215         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
2216         types where possible.
2217
2218 2005-03-26  Per Bothner  <per@bothner.com>
2219
2220         Make -f[no-]show-column also control non-cpp diagnostics.
2221         * c.opt (fshow-column): Move option from here ...
2222         * common.opt (fshow-column): ... to here.
2223         * diagnostic.c (diagnostic_build_prefix): Only print column number
2224         if flag_show_column.
2225
2226 2005-03-27  Steven Bosscher  <stevenb@suse.de>
2227
2228         * vax-protos.h (vax_output_int_move, vax_output_int_add,
2229         vax_output_conditional_branch): New prototypes.
2230         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
2231         extracted from vax.md mov and add patterns.
2232         (vax_output_conditional_branch): New function to output conditional
2233         branch instructions.
2234         * vax.md: Use mode macros for arithmetic and mov patterns.
2235         Use code macros for the jump patterns.
2236
2237 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2238
2239         * Makefile.in (libbackend.o): Depend on version files;
2240         add custom generation command.
2241
2242 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2243
2244         PR target/20636
2245         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
2246         sure that we have a REG before getting its REGNO.
2247
2248 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2249
2250         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
2251         * builtins.def (BUILT_IN_STRNDUP): New.
2252
2253 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
2254
2255         PR tree-optimization/20470
2256         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
2257         ABS(x-y).
2258
2259 2005-03-25  Mike Stump  <mrs@apple.com>
2260
2261         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
2262         sized objects.
2263
2264 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
2265
2266         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
2267         Use our own structure definitions.
2268
2269         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
2270         (fix_truncdfsi2): Allow registers or memory as destination.
2271         When TARGET_PPC_GFXOPT, generate simplified pattern.
2272         (fix_truncdfsi2_internal): Use define_insn_and_split.
2273         (fix_truncdfsi2_internal_gfxopt): New.
2274         (fctiwz): Don't confuse register allocation by giving it no choices.
2275         (stfiwx): New.
2276         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
2277         (EXTRA_MEMORY_CONSTRAINT): Likewise.
2278         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
2279         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
2280
2281 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2282
2283         * dominance.c (free_dominance_info): Speed up by freeing et
2284         data structures without maintaining other nodes.
2285         * et-forest.c (et_free_tree_force): New.
2286         * et-forest.h: Add a prototype for et_free_tree_force.
2287
2288         * tree.c (get_set_constructor_bits,
2289         get_set_constructor_bytes): Remove.
2290         * tree.h: Remove the corresponding prototypes.
2291
2292 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2293
2294         PR target/15491
2295         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
2296         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
2297         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
2298         PRE_DEC, NEG and NOT.
2299
2300 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2301
2302         * fold-const.c: Convert uses of fold (build (...)) to
2303         fold_buildN.
2304
2305 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
2306
2307         PR rtl-optimization/20249
2308         * cse.c (insert_regs): Do not record equivalence of registers in
2309         different modes.
2310
2311 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
2312
2313         * emit-rtl.c (reverse_comparison): Remove.
2314         * rtl.h: Remove the corresponding prototype.
2315
2316 2005-03-24  James E Wilson  <wilson@specifixinc.com>
2317
2318         * doc/install.texi (--enable-altivec): Delete docs.
2319
2320 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
2321
2322         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
2323         SFmode and DFmode before reload when
2324         flag_unsafe_math_optimizations not enabled.
2325
2326 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
2327
2328         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
2329
2330         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
2331         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
2332
2333 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2334
2335         * configure.ac (enable-checking): Add 'runtime' option.
2336         * doc/install.texi (enable-checking): Document 'runtime' checking.
2337         * tsystem.h (gcc_assert, gcc_unreachable): Define.
2338         * config.in: Regenerated.
2339         * configure: Regenerated.
2340
2341 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
2342
2343         * optabs.h (enum optab_index): Remove OTI_llrint.
2344         (llrint_optab): Remove macro.
2345         * optabs.c (init_optabs): Remove llrint_optab initialization.
2346         * genopinit.c (optabs): Remove llrint_optab implementation.
2347         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
2348         using lrint_optab.
2349
2350 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
2351
2352         PR rtl-optimization/20532
2353         * simplify-rtx.c (simplify_binary_operation_1): Protect from
2354         overflow when adding coefficients for PLUS or MINUS.
2355         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
2356         two as multiplier.
2357
2358 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2359
2360         * langhooks.h (truthvalue_conversion): Remove.
2361         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2362         LANG_HOOKS_TRUTHVALUE_CONVERSION.
2363         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
2364         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
2365         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
2366
2367 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
2368
2369         * params.def: Fix a typo.
2370         * config/mips/mips.c: Follow the spelling convensions.
2371         * doc/invoke.texi: Fix typos.
2372
2373 2005-03-18  Dale Johannese  <dalej@apple.com>
2374
2375         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
2376
2377 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
2378
2379         Fix PR tree-optimization/20601
2380
2381         * tree-ssa-pre.c (insert_aux): Add missing condition to
2382         constification.
2383
2384 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2385
2386         * final.c (final_scan_insn): Don't remove no-op instructions.
2387         * reload1.c (reload): Remove simple no-op instructions even when
2388         not optimizing.
2389
2390 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2391
2392         PR tree-optimization/20501
2393         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2394         reporting that peeling for alignment is applied moved to...
2395         * (vect_analyze_data_refs_alignment): Here.
2396
2397 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2398
2399         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2400
2401 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2402
2403         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2404         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2405
2406 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2407
2408         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2409         imply that this is called once, independent of asms in code.
2410         Adjust to now being pased output and input lists.  Mention helper
2411         function decl_overlaps_hard_reg_set_p.
2412         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2413         hook_tree_tree_identity and to take three trees, returning third.
2414         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2415         prototype.
2416         * stmt.c: include hard-reg-set.h before tree.h.
2417         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2418         (decl_conflicts_with_clobbers_p): Call
2419         decl_overlaps_hard_reg_set_p.
2420         (expand_asm_operands): Pass output and input lists in call to
2421         targetm.md_asm_clobbers.
2422         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2423         hook_tree_tree_tree_tree_3rd_identity.
2424         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2425         parameters.
2426         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2427         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2428         parameters, first two unused.
2429         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2430         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2431         in constraint letters and MOF is not mentioned as a asm-declared
2432         register in neither of the input and output lists.
2433
2434 2005-03-23  DJ Delorie  <dj@redhat.com>
2435
2436         * optabs.c (expand_binop): Make sure the first subword's result
2437         gets stored.
2438
2439 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2440
2441         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2442         Call c_common_truthvalue_conversion rather than
2443         lang_hooks.truthvalue_conversion.
2444         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2445         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2446         c-typeck.c.
2447         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2448         c_common_truthvalue_conversion.
2449         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2450         c_parser_conditional_expression, c_parser_binary_expression): Call
2451         c_objc_common_truthvalue_conversion.
2452         * c-typeck.c (build_unary_op): Call
2453         c_objc_common_truthvalue_conversion.
2454         (build_conditional_expr): Do not call
2455         lang_hooks.truthvalue_conversion.
2456         (build_binary_op): Call c_common_truthvalue_conversion.
2457         (c_objc_common_truthvalue_conversion): Moved from
2458         c-objc-common.c.  Call default_function_array_conversion instead
2459         of default_conversion.
2460
2461 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2462
2463         * c-common.h (default_conversion): Remove.
2464         (perform_integral_promotions): Add.
2465         * c-tree.h (default_conversion): Add.
2466         * c-typeck.c (perform_integral_promotions): New, split out from
2467         default_conversion.
2468         * c-common.c (check_case_value): Use perform_integral_promotions,
2469         not default_conversion.
2470         (c_add_case_label): Don't continue processing case label after
2471         found to be pointer.
2472
2473 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2474
2475         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2476         the prefix list if we have already added a multilib directory
2477         based on that path.
2478         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2479         search with -L.
2480
2481 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2482
2483         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2484         static.
2485         * reload.h: Remove the prototype for indirect_symref_ok.
2486
2487         * reload1.c (indirect_symref_ok): Make it global.
2488         * reload.h: Add a prototype for indirect_symref_ok.
2489
2490 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2491
2492         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2493         ashlhi3 expander.
2494
2495 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2496
2497         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2498
2499 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2500
2501         * c-opts.c (c_common_parse_file): Only start/end main source file
2502         if debug hooks says the writer wants it.
2503         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2504         member.
2505         (xcoff_debug_hooks): Ditto.
2506         * debug.c (do_nothing_hooks): Ditto.
2507         * debug.h (gcc_debug_hooks): Ditto.
2508         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2509         * sdbout.c (sdb_debug_hooks): Ditto.
2510         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2511
2512 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2513
2514         * doc/extend.texi: Deprecate C++ min/max operators.
2515
2516 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2517
2518         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2519         artificial original candidates.
2520
2521 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2522             Jan Hubicka  <jh@suse.cz>
2523             Steven Bosscher <stevenb@suse.de>
2524
2525         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2526         call cost based on argument sizes.
2527         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2528         inlining.
2529         * params.def: (max-inline-inssn-single): Set to 450.
2530         (max-inline-insns-auto): Set to 90.
2531         (max-inline-insns-recursive): Set to 450
2532         (max-inline-insns-recursive-auto): Set to 450.
2533         (large-function-insns): Set to 2700.
2534         (inline-call-cost): New parameter.
2535         * tree-inline.c (estimate_move_cost): New function.
2536         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2537         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2538         based on arguments.
2539         * tree-inline.h (estimate_move_cost): Declare.
2540         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2541         (max-inline-insns-auto): Change default to 90.
2542         (max-inline-insns-recursive): Change default to 450
2543         (max-inline-insns-recursive-auto): Change default to 450.
2544         (large-function-insns): Change default to 2700.
2545         (inline-call-cost): Document new parameter.
2546
2547 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2548
2549         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2550         (TARGET_DEFAULT): Delete.
2551         * config/i860/i860.opt: New file.
2552
2553 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2554
2555         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2556         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2557         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2558         (frv_sched_lookahead): Delete.
2559         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2560         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2561         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2562         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2563         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2564         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2565         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2566         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2567         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2568         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2569         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2570         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2571         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2572         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2573         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2574         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2575         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2576         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2577         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2578         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2579         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2580         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2581         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2582         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2583         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2584         (frv_sched_lookahead): Delete.
2585         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2586         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2587         (frv_handle_option): New function.  Move -mcpu= handling from...
2588         (frv_override_options): ...here.  Remove handling of other
2589         TARGET_OPTIONS.
2590         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2591         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2592         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2593         and TARGET_NO_MULTI_CE.
2594         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2595         !TARGET_VLIW_BRANCH.
2596         * config/frv/frv.opt: New file.
2597
2598 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2599
2600         * fold-const.c (fold_ternary): Take decomposed arguments of
2601         CALL_EXPR.
2602         (fold): Update a call to fold_ternary.
2603
2604         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2605         * tree.h: Add corresponding prototypes.
2606
2607 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2608
2609         PR target/20561
2610         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2611         between jump table and its label.
2612         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2613         resp. ADDR_DIFF_VEC and the label preceeding it.
2614         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2615         is emitted in the right section.
2616
2617 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2618
2619         * fold-const.c (fold_unary, fold_binary): Update comments
2620         about arguments.
2621
2622 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2623
2624         PR rtl-optimization/20527
2625         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2626         REG_INC note, test that the register also isn't mentioned in PRED
2627         or SUCC.
2628
2629 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2630
2631         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2632         and definition.
2633
2634 2005-03-21  Mike Stump  <mrs@apple.com>
2635
2636         * varasm.c (default_assemble_visibility): Remove extra ().
2637
2638 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2639
2640         PR middle-end/20557
2641         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2642         to determine whether a block can be duplicated, rather than test
2643         whether the block contains noncopyable insns ourselves.
2644
2645 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2646
2647         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2648         predicates.
2649
2650 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2651
2652         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2653
2654 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2655
2656         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2657         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2658         * config/fr30/fr30.opt: New file.
2659
2660 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2661
2662         Fix PR tree-optimization/20542
2663
2664         * tree-flow-inline.h (overlap_subvar): Move to here.
2665         * tree-ssa-operands.c: From here.
2666         * tree-flow.h (overlap_subvar): Declare.
2667         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2668         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2669         for variables with subvars.
2670
2671 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2672
2673         PR middle-end/20177
2674         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2675         * modulo-sched.c (const_iteration_count): Return on NULL
2676         pre-header.
2677         (print_node_sched_params): Return on NULL dump_file.
2678         (generate_reg_moves): Handle reg-anti dependencies and disregard
2679         closing branch when generating register moves.
2680         (sms_schedule): Mark the SMSed block dirty.
2681         * passes.c (rest_of_handle_sms): Call update_life_info for all
2682         basic-blocks.
2683         * testsuite/gcc.dg/20050321-1.c: New test.
2684
2685 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2686
2687         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2688         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2689         movqi_internal): Likewise.
2690
2691 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2692
2693         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2694         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2695         xtensa_b4const): Delete prototypes.
2696         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2697         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2698         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2699         xtensa_extra_constraint): New prototypes.
2700         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2701         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2702         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2703         move_operand, const_float_1_operand, fpmem_offset_operand,
2704         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2705         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2706         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2707         argument type to HOST_WIDE_INT.
2708         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2709         xtensa_mask_immediate): Likewise.
2710         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2711         Likewise.  Also make these functions static.
2712         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2713         (xtensa_const_ok_for_letter_p): New.
2714         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2715         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2716         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2717         move_operand, const_float_1_operand, fpmem_offset_operand,
2718         branch_operator, ubranch_operator, boolean_operator): Move to
2719         predicates.md.
2720         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2721         (xtensa_mem_offset): Change return type to bool.
2722         (xtensa_extra_constraint): New.
2723         (gen_int_relational): Update type of const_range_p function pointer.
2724         Use xtensa_b4const_or_zero.
2725         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2726         xtensa_const_ok_for_letter_p.  Update comments.
2727         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2728         (PREDICATE_CODES): Delete.
2729         * config/xtensa/xtensa.md: Include predicates.md.
2730         * config/xtensa/predicates.md: New file.
2731
2732 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2733
2734         * config/v850/v850-protos.h: Remove the prototypes for
2735         reg_or_int9_operand, reg_or_const_operand,
2736         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2737         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2738         movsi_source_operand, power_of_two_operand,
2739         not_power_of_two_operand, special_symbolref_operand,
2740         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2741         register_is_ok_for_epilogue.
2742         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2743         reg_or_int9_operand, reg_or_const_operand,
2744         call_address_operand, special_symbolref_operand,
2745         movsi_source_operand, power_of_two_operand,
2746         not_power_of_two_operand, register_is_ok_for_epilogue,
2747         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2748         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2749         predicates.md.
2750         * config/v850/v850.h (PREDICATE_CODES): Remove.
2751         * config/v850/v850.md: Include predicates.md.
2752         * config/v850/predicates.md: New.
2753
2754 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2755
2756         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2757         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2758         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2759         (itoolsdir, itoolsdatadir): Move definition above new first use.
2760         (install-itoolsdirs): New rule.
2761         (install-mkheaders): Depend on install-itoolsdirs, not
2762         install-include-dir.
2763
2764 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2765
2766         * tree-into-ssa.c: Remove obsolete comments.
2767
2768 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2769
2770         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2771         unrolling if -fpeel-loops is specified, too.
2772         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2773         Remove superfluous check for flag_unroll_loops.
2774
2775 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2776
2777         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2778         (lrint_optab, llrint_optab): Define corresponding macros.
2779         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2780         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2781         pattern and llrint_optab using llrintdi2 patterns.
2782         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2783         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2784         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2785         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2786         flag_unsafe_math_optimizations is set.
2787
2788 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2789
2790         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2791         simplify_logical, if_then_else_cond, known_cond,
2792         simplify_comparison): Adjust calls to reverse_comparison.
2793         Don't use combine_reversed_comparison_code).
2794         (combine_reversed_comparison_code): Remove.
2795         (reversed_comparison): Using reversed_comparison_code, move it...
2796         * jump.c (reversed_comparison): ... here.
2797         * rtl.h (reversed_comparison): Add prototype.
2798
2799 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2800
2801         * builtins.c (fold_builtin): Take decomposed arguments of
2802         CALL_EXPR.
2803         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2804         * gimplify.c (gimplify_call_expr): Likewise.
2805         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2806         * tree.h: Update the prototype of fold_builtin.
2807
2808 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2809
2810         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2811         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2812         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2813         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2814         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2815
2816 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2817
2818         * builtins.c (fold_builtin_1): Take decomposed arguments of
2819         CALL_EXPR.
2820         (fold_builtin): Update a call to fold_builtin_1.
2821
2822 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2823
2824         PR other/20564
2825         * gcov.c (output_lines): Only output function block summary when
2826         outputting branch information.
2827         * doc/gcov.texi: Document format of preamble and additional block
2828         information lines.
2829
2830 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2831
2832         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2833         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2834         the defaults false if BITS_PER_UNIT != 8.
2835         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2836         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2837         than BITS_PER_UNIT != 8.
2838         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2839         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2840         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2841         #undefs.
2842         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2843         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2844
2845 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2846
2847         PR middle-end/20539
2848         * fold-const.c (fold_binary): Fix type mismatch between
2849         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2850         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2851         for non-truth-valued expressions.
2852
2853         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2854         and FUNCTION_DECL in the main switch.
2855         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2856         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2857         we also need to convert their operands to match.
2858         <TRUTH_NOT_EXPR>: Likewise.
2859
2860 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2861
2862         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2863         diagnostic without checking whether an lvalue.
2864         * c-common.h (lvalue_p): Remove.
2865         (enum lvalue_use): Update comment.
2866         (lvalue_or_else): Replace by lvalue_error.
2867         * c-typeck.c (lvalue_p): Make static.
2868         (lvalue_or_else): New.  Call lvalue_error.
2869
2870 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2871
2872         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2873         (function_arg_advance): Use rs6000_parm_start.
2874         (function_arg, rs6000_arg_partial_bytes): Likewise.
2875
2876 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2877
2878         * c-common.c (check_case_value): Adjust comment about stripping
2879         NOPs.
2880         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2881         * c-typeck.c (default_conversion, convert_arguments,
2882         build_modify_expr, convert_for_assignment, store_init_value,
2883         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2884         manually.  Remove inaccurate comments.
2885
2886 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2887             Joseph S. Myers  <joseph@codesourcery.com>
2888
2889         * varasm.c (do_assemble_alias): Restore comment describing function.
2890         Annotate the target parameter as potentially unused.
2891
2892 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2893
2894         PR target/18551
2895         * config/avr/avr.c (avr_output_function_prologue): Do not use
2896         current_function_name() in a label, use a local label instead.
2897
2898 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2899
2900         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2901         flag_finite_math_only, not flag_unsafe_math_optimizations.
2902
2903 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2904
2905         * builtins.c (fold_builtin_1): Update a call to
2906         targetm.fold_builtin.
2907         * hooks.c (hook_tree_tree_bool_null): Rename to
2908         hook_tree_tree_tree_bool_null.  Take one more argument of type
2909         tree.
2910         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2911         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2912         hook_tree_tree_tree_bool_null.
2913         * target.h (gcc_target): Update the prototype of fold_builtin.
2914         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2915         arguments of CALL_EXPR.
2916         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2917         new prototype.
2918
2919 2005-03-20  Jan Hubicka  <jh@suse.cz>
2920
2921         * cgraph.h (cgraph_node): Add prev_clone pointer.
2922         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2923         (cgraph_clone_node): Produce doubly linked chain.
2924
2925 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2926
2927         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2928         get_nonnull_operand, handle_sentinel_attribute,
2929         check_function_arguments_recurse): Do not strip NOPS from
2930         INTEGER_CSTs.
2931         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2932         Likewise.
2933         * c-format.c (get_constant): Likewise.
2934         * c-parser.c (c_parser_postfix_expression): Likewise.
2935         * c-typeck.c (set_init_index): Likewise.
2936         (convert_arguments): Don't check for NOP_EXPR containing integer
2937         constant.
2938
2939 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2940
2941         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2942         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2943         Take decomposed arguments of CALL_EXPR.
2944         (fold_builtin_1): Update calls to the functions mentioned
2945         above.
2946
2947 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2948
2949         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2950         width to have integer type.
2951         (build_enumerator): Require enumerator value to have integer type.
2952
2953 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2954
2955         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2956         to __builtin_inff.
2957
2958 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2959
2960         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2961         std=iso9899:199x): Correct descriptions.
2962
2963 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2964
2965         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2966         solaris2.1[0-9].
2967
2968 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2969
2970         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2971         of CALL_EXPR.
2972         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2973         fold_builtin_memcpy.
2974
2975         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2976         arguments of CALL_EXPR.
2977         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2978         fold_builtin_found, fold_builtin_1): Update calls to
2979         fold_trunc_transparent_mathfn.
2980
2981 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2982
2983         PR middle-end/20493
2984         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2985         function pointers on targets that require function pointer
2986         canonicalization.
2987         (fold_sign_changed_comparison): Likewise.
2988
2989 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2990
2991         * combine.c (try_combine): When changing the mode of a hard reg, make
2992         sure that doing so is valid.
2993
2994 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2995
2996         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2997         (TARGET_HANDLE_OPTION): Override default.
2998         (avr_handle_option): New function.
2999         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
3000         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
3001         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
3002         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
3003         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
3004         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
3005         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
3006         (TARGET_OPTIONS): Delete.
3007         * config/avr/avr.opt: New file.
3008
3009 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3010
3011         * config/m32r/m32r-protos.h: Remove the prototypes for
3012         call_address_operand, symbolic_operand, seth_add3_operand,
3013         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3014         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3015         two_insn_const_operand, move_src_operand,
3016         move_double_src_operand, move_dest_operand,
3017         eqne_comparison_operator, signed_comparison_operator,
3018         large_insn_p, conditional_move_operand, carry_compare_operand,
3019         m32r_block_immediate_operand, extend_operand,
3020         reg_or_eq_int16_operand, int8_operand, and
3021         reg_or_zero_operand.
3022         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3023         seth_add3_operand, int8_operand, cmp_int16_operand,
3024         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3025         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3026         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3027         move_double_src_operand, move_dest_operand,
3028         eqne_comparison_operator, signed_comparison_operator,
3029         extend_operand, small_insn_p, large_insn_p,
3030         conditional_move_operand, carry_compare_operand,
3031         m32r_block_immediate_operand): Move to predicates.md.
3032         (MAX_MOVE_BYTES): Move to m32r.h.
3033         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3034         * config/m32r/m32r.md: Include predicates.md.
3035         * config/m32r/predicates.md: New.
3036
3037 2005-03-18  James E Wilson  <wilson@specifixinc.com>
3038
3039         PR c++/19769
3040         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
3041         origin.
3042
3043 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3044
3045         * config/mn10300/mn10300-protos.h: Remove the prototypes for
3046         call_address_operand, const_8bit_operand.
3047         * config/mn10300/mn10300.c (call_address_operand,
3048         const_8bit_operand, const_1f_operand): Move to predicates.md.
3049         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
3050         * config/mn10300/mn10300.md: Include predicates.md.
3051         * config/mn10300/predicates.md: New.
3052
3053 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
3054
3055         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
3056         declarations in diagnostics and %E for identifiers, not %s.
3057
3058 2005-03-18  Jan Hubicka  <jh@suse.cz>
3059             Dale Johannesen  <dalej@apple.com>
3060
3061         * basic-block.h (scale_bbs_frequencies_int,
3062         scale_bbs_frequencies_gcov_type): Declare.
3063         * cfg.c (RDIV): New macro.
3064         (update_bb_frequency_for_threading): Fix.
3065         * basic-block.h (scale_bbs_frequencies_int,
3066         scale_bbs_frequencies_gcov_type): New.
3067         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
3068         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
3069         scale_bbs_frequencies_int.
3070         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
3071
3072 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3073
3074         * config/m32r/m32r-protos.h: Remove the prototypes for
3075         call_address_operand, symbolic_operand, seth_add3_operand,
3076         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3077         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3078         two_insn_const_operand, move_src_operand,
3079         move_double_src_operand, move_dest_operand,
3080         eqne_comparison_operator, signed_comparison_operator,
3081         large_insn_p, conditional_move_operand, carry_compare_operand,
3082         m32r_block_immediate_operand, extend_operand,
3083         reg_or_eq_int16_operand, int8_operand, and
3084         reg_or_zero_operand.
3085         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3086         seth_add3_operand, int8_operand, cmp_int16_operand,
3087         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3088         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3089         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3090         move_double_src_operand, move_dest_operand,
3091         eqne_comparison_operator, signed_comparison_operator,
3092         extend_operand, small_insn_p, large_insn_p,
3093         conditional_move_operand, carry_compare_operand,
3094         m32r_block_immediate_operand): Move to predicates.md.
3095         (MAX_MOVE_BYTES): Move to m32r.h.
3096         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3097         * config/m32r/m32r.md: Include predicates.md.
3098         * config/m32r/predicates.md: New.
3099
3100         * config/pa/pa-protos.h: Add prototypes for magic_milli and
3101         shadd_constant_p.
3102         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
3103         symbolic_operand, symbolic_memory_operand,
3104         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
3105         indexed_memory_operand, move_dest_operand, move_src_operand,
3106         prefetch_cc_operand, prefetch_nocc_operand,
3107         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
3108         arith_operand, arith11_operand, pre_cint_operand,
3109         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
3110         ireg_operand, int5_operand, uint5_operand, int11_operand,
3111         uint32_operand, arith5_operand, and_operand, ior_operand,
3112         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
3113         pc_or_label_operand, div_operand, plus_xor_ior_operator,
3114         shadd_operand, movb_comparison_operator,
3115         cmpib_comparison_operator): Move to predicates.md.
3116         (magic_milli, shadd_constant_p): Make it extern.
3117         * config/pa/pa.h (PREDICATE_CODES): Remove.
3118         * config/pa/pa.md: Include predicates.md.
3119         * config/pa/predicates.md: New.
3120
3121         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
3122         predicate.
3123
3124 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3125
3126         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
3127         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
3128         config/alpha/freebsd.h, config/alpha/linux.h,
3129         config/alpha/netbsd.h, config/alpha/osf5.h,
3130         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
3131         config/h8300/h8300-protos.h, config/h8300/h8300.c,
3132         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
3133         doc/cppopts.texi: Update copyright.
3134
3135 2005-03-18  Jan Hubicka  <jh@suse.cz>
3136
3137         PR middle-end/20225
3138         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
3139         too late.
3140         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
3141         called too late.
3142
3143 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3144
3145         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
3146         VEC_safe_push.
3147
3148 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
3149
3150         * combine.c (gen_binary): Remove.
3151         (known_cond, simplify_shift_const, find_split_point,
3152         combine_simplify_rtx, simplify_if_then_else, simplify_set,
3153         simplify_logical, expand_field_assignment, extract_left_shift,
3154         force_to_mode, if_then_else_cond, apply_distributive_law,
3155         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
3156         simplify_comparison, reversed_comparison): Replace with
3157         simplify_gen_binary, simplify_gen_relational or
3158         distribute_and_simplify_rtx.
3159         (distribute_and_simplify_rtx): New function.
3160
3161 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
3162             Paolo Bonzini  <gcc.gnu.org>
3163
3164         * calls.c (setjmp_call_p, special_function_p): Update comments
3165         at the head of the functions.
3166
3167 2005-03-18  Jan Hubicka  <jh@suse.cz>
3168
3169         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
3170
3171         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
3172         function body should be released; do not proactively release function
3173         bodies in non-unit-at-a-time mode.
3174
3175 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
3176
3177         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
3178         mno-fp-ret-in-387 multilib variants.
3179
3180 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
3181
3182         * common.opt (m): Remove.
3183         * opts.c (handle_option): Pass 'm' options to set_target_switch if
3184         table lookup fails.
3185         (common_handle_option): Remove OPT_m case.
3186
3187 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3188
3189         * builtins.c (fold_builtin_bitop): Take decomposed arguments
3190         of CALL_EXPR.
3191         (fold_builtin_1): Update a call to fold_builtin_bitop.
3192
3193         * builtins.c (fold_builtin_signbit): Take decomposed arguments
3194         of CALL_EXPR.
3195         (fold_builtin_1): Update a call to fold_builtin_signbit.
3196
3197 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
3198
3199         PR tree-optimization/20474
3200         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
3201         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
3202
3203 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3204
3205         * config/h8300/h8300-protos.h: Remove prototypes for
3206         general_operand_src, general_operand_dst, single_one_operand,
3207         single_zero_operand, call_insn_operand,
3208         two_insn_adds_subs_operand, small_call_insn_operand,
3209         jump_address_operand, bit_operand, bit_memory_operand,
3210         stack_pointer_operand, const_int_gt_2_operand,
3211         const_int_ge_8_operand, const_int_qi_operand,
3212         const_int_hi_operand, incdec_operand, bit_operator,
3213         nshift_operator, eqne_operator, gtle_operator,
3214         gtuleu_operator, iorxor_operator.
3215         Add prototypes for h8sx_shift_type h8sx_classify_shift and
3216         h8300_ldm_stm_parallel.
3217         * config/h8300/h8300.c (h8sx_shift_type,): Move to
3218         h8300-protos.h.
3219         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
3220         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
3221         (h8300_ldm_stm_parallel): Make it extern.
3222         (h8300_ldm_parallel, h8300_stm_parallel,
3223         h8300_return_parallel, general_operand_src,
3224         general_operand_dst, h8300_dst_operand, h8300_src_operand,
3225         nibble_operand, reg_or_nibble_operand, single_one_operand,
3226         single_zero_operand, call_insn_operand,
3227         two_insn_adds_subs_operand, small_call_insn_operand,
3228         jump_address_operand, bit_operand, bit_memory_operand,
3229         stack_pointer_operand, const_int_gt_2_operand,
3230         const_int_ge_8_operand, const_int_qi_operand,
3231         const_int_hi_operand, incdec_operand, eqne_operator,
3232         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
3233         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
3234         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
3235         nshift_operator): Move to predicates.md.
3236         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
3237         * config/h8300/h8300.md: Include predicates.md.
3238         * config/h8300/predicates.md: New.
3239
3240 2005-03-17  Richard Henderson  <rth@redhat.com>
3241
3242         * config.gcc (ia64*-*-hpux*): Add extra_options.
3243         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
3244         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3245         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
3246         (ia64_tls_size_string, ia64_tune_string): Remove.
3247         (ia64_tune): Init to PROCESSOR_ITANIUM2.
3248         (TARGET_DEFAULT_TARGET_FLAGS): New.
3249         (TARGET_HANDLE_OPTION): New.
3250         (ia64_override_options): Move options parsing ...
3251         (ia64_handle_option): ... here.  New.
3252         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
3253         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
3254         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
3255         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
3256         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
3257         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
3258         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
3259         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
3260         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
3261         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
3262         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
3263         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
3264         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
3265         TARGET_EARLY_STOP_BITS): Remove.
3266         (TARGET_ILP32): Default false.
3267         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
3268         (enum ia64_inline_type): New.
3269         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3270         * config/ia64/ia64.md: Update for new definitions of
3271         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
3272         * config/ia64/ia64.opt: New file.
3273         * config/ia64/ilp32.opt: New file.
3274
3275 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3276
3277         PR target/18380
3278         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
3279
3280 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3281
3282         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
3283         instead of MASK_H8300S.
3284         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
3285         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
3286         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
3287         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
3288         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
3289         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
3290         TARGET_SWITCHES): Remove.
3291         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
3292         TARGET_H8300SX.
3293         * config/h8300/h8300.opt: New.
3294
3295         * config/alpha/alpha.opt, config/arc/arc.opt,
3296         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
3297         notices.
3298
3299 2005-03-17  Ian Lance Taylor  <ian@airs.com>
3300
3301         * gmon.c: Remove.
3302
3303 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
3304
3305         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
3306         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
3307         (TARGET_HANDLE_OPTION): Override default.
3308         (arc_handle_option): New function.
3309         (arc_init): Remove code to set arch_cpu_string.
3310         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
3311         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
3312         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
3313         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
3314         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
3315         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
3316         (arc_rodata_string, TARGET_OPTIONS): Delete.
3317         * config/arc/arc.opt: New file.
3318
3319 2005-03-17  Richard Henderson  <rth@redhat.com>
3320
3321         * doc/extend.texi (Weak Pragmas): New section.
3322         (attribute alias): Clarify that target must be in the same
3323         translation unit.
3324
3325 2005-03-17  Richard Henderson  <rth@redhat.com>
3326
3327         * config/alpha/alpha.opt: New file.
3328         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
3329         of alpha_cpu.
3330         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
3331         alpha_fprm_string, alpha_fptm_string): Make static.
3332         (alpha_tls_size_string): Remove.
3333         (alpha_handle_option): New.
3334         (override_options): Update for alpha_cpu/alpha_tune split.
3335         (alpha_file_start): Likewise.
3336         (TARGET_DEFAULT_TARGET_FLAGS): New.
3337         (TARGET_HANDLE_OPTION): New.
3338         * config/alpha/alpha.h (alpha_tune): Declare.
3339         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
3340         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
3341         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
3342         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
3343         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
3344         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
3345         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
3346         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
3347         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
3348         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
3349         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
3350         (TARGET_DEFAULT): Remove MASK_FP.
3351         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
3352         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
3353         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
3354         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
3355         alpha_tls_size_string): Remove.
3356         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
3357         (attribute tune): Rename from attribute cpu.
3358         * config/alpha/ev4.md: Update to match.
3359         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
3360         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
3361         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
3362         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
3363         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
3364         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
3365
3366 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
3367
3368         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
3369         and return without creating new state if before_nops_num is nonzero.
3370         * config/ia64/ia64.md (first_insn): New attribute.
3371         (alloc): Set it to yes.
3372
3373 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3374
3375         * tree-vectorizer.c (new_vec_stmt_info): Initialize
3376         STMT_VINFO_SUBVARS to NULL.
3377         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3378
3379 2005-03-16 Dale Johannesen  <dalej@apple.com>
3380
3381         * rtlanal.c (find_first_parameter_load):  Rewrite to
3382         return actual first param load or the call if none,
3383         instead of first in block, when not all loads exist.
3384
3385 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3386
3387         * optabs.c (expand_copysign_absneg): Make static.
3388         * optabs.h (expand_copysign_absneg): Delete prototype.
3389         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3390
3391 2005-03-16  Richard Henderson  <rth@redhat.com>
3392
3393         PR middle-end/15700
3394         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3395         (alias_pairs): Rename from output_defs.
3396         (find_decl_and_mark_needed): Split out from assemble_alias.
3397         (do_assemble_alias): New.
3398         (assemble_output_def): Remove.
3399         (finish_aliases_1, finish_aliases_2): New.
3400         (process_pending_assemble_output_defs): Remove.
3401         (assemble_alias): Defer aliases for which we don't yet have a
3402         non-external decl for the target symbol.
3403         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
3404         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
3405         * toplev.c (compile_file): Use finish_aliases_2 instead of
3406         process_pending_assemble_output_defs.
3407         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
3408         (process_pending_assemble_output_defs): Remove.
3409
3410 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3411
3412         Fix PR tree-optimization/20489
3413
3414         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
3415         for empty structures.
3416
3417 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3418
3419         Fix PR tree-optimization/20490
3420
3421         * tree-ssa-pre.c (create_expression_by_pieces): Use
3422         force_gimple_operand on result of fold.
3423
3424 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
3425
3426         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
3427         of closing parenthesis.
3428
3429 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
3430
3431         * builtins.c (expand_movstr): Update a call to
3432         fold_builtin_strcpy.
3433         (expand_builtin_strncpy): Update a call to
3434         fold_builtin_strncpy.
3435         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
3436         arguments of CALL_EXPR.
3437         (fold_builtin_1): Update calls to fold_builtin_strcpy and
3438         fold_builtin_strncpy.
3439         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3440         * tree.h: Update the prototypes of fold_builtin_strcpy and
3441         fold_builtin_strncpy.
3442
3443 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3444             Dorit Naishlos  <dorit@il.ibm.com>
3445
3446         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
3447         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
3448         error.
3449
3450 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3451
3452         * tree-inline.c (walk_type_fields, walk_tree,
3453         walk_tree_without_duplicates): Move from here...
3454         * tree.c: ...to here.
3455
3456 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
3457
3458         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
3459         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
3460         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3461         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
3462         (version): Define using $(BASEVER_c).
3463         (Makefile, config.status, build/gcov-iov.o): No longer depends on
3464         version.c.
3465         (version.o): Depend on version files; add custom generation command.
3466         (prefix.o): Define BASEVER on command line.
3467         (s-iov): Depend on version files; adjust command.
3468         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
3469         Add gcc-vers.texi.
3470         (gcc-vers.texi): New rule.
3471         (doc/%.info, doc/%.dvi): Add -I . to command line.
3472         (doc/gccinstall.dvi): Likewise.
3473         (PACKAGE): Delete.  All uses replaced with "gcc".
3474         * aclocal.m4: Do not include gcc-version.m4.
3475         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
3476         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
3477         Set is_release based on contents of DEV-PHASE.
3478         Set gcc_version based on contents of BASE-VER.
3479         Define WIN32_REGISTRY_KEY only if the user overrode the default.
3480         * config.in, configure: Regenerate.
3481         * gccbug.in: Determine version of GCC in use at runtime.
3482         * gcov-iov.c: Get version number and development phase from
3483         command line, not by including version.c.
3484         * intl.c: Replace all uses of PACKAGE with "gcc".
3485         * libada-mk.in: Delete unused "gcc_version" variable.
3486         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
3487         * version.c: (VERSUFFIX): New hook for redistributors; adjust
3488         commentary to match.
3489         (version_string): Put together from pieces.
3490         * config/alpha/x-vms: Do not use $(gcc_version).
3491         * config/i386/t-nwld: Likewise.
3492         * doc/include/gcc-common.texi: Include gcc-vers.texi for
3493         version-GCC and DEVELOPMENT.
3494
3495 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3496
3497         PR tree-optimization/17454
3498         * tree.c (tree_size): Add case for TREE_BINFO.
3499         * fold-const.c (fold_checksum_tree): Only clear the overloaded
3500         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
3501
3502 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3503
3504         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
3505         op1 whilst expanding the signed widenening multiply variant.
3506
3507 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
3508
3509         * toplev.c (display_target_options): Avoid unused variable warning if
3510         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
3511         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
3512         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
3513         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
3514         (mips_isa_info): New variable.
3515         (mips_parse_cpu): Remove the first argument and leave the caller
3516         to report errors.
3517         (TARGET_HANDLE_OPTION): Override default.
3518         (mips_handle_option): New function.  Move option validation code from...
3519         (override_options): ...here.  Update calls to mips_parse_cpu.
3520         * config/mips/mips.h (mips_arch_string, mips_tune_string)
3521         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
3522         (SUBTARGET_TARGET_OPTIONS): Delete.
3523         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
3524         (mno-flush-func, mtune=): New options.
3525
3526 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3527             Richard Henderson  <rth@redhat.com>
3528
3529         * real.c (c4x_single_format, c4x_extended_format): Provide values
3530         for signbit_ro for c4x's single and extended floating point formats.
3531         * optabs.c (expand_copysign): Use the floating point format's
3532         signbit_ro for expanding via expand_copysign_absneg, and it's
3533         signbit_rw field for expanding via expand_copysign_bit.
3534
3535 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
3536
3537         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
3538         known_alignment_for_access_p.
3539         (known_alignment_for_access_p): New.
3540         (do_peeling_for_alignment): Field made int instead of bool and renamed
3541         to peeling_for_alignment.
3542         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
3543         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
3544         functionality used to be in vect_analyze_operations.
3545         (vect_analyze_operations): Code to determine vectorization factor was
3546         moved to vect_determine_vectorization_factor.
3547         (vect_enhance_data_refs_alignment): Update to correct alignment when it
3548         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
3549         factor.
3550         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
3551         be part of vect_analyze_operations).
3552         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
3553         creating the guard condition, as the number of iterations may be
3554         constant.
3555         (slpeel_tree_peel_loop_to_edge): Use new name of
3556         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
3557         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
3558         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
3559         (vect_do_peeling_for_alignment): Use fold.
3560         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
3561
3562         (vect_update_inits_of_dr): Renamed to
3563         vect_update_init_of_dr.
3564         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
3565         (vectorizable_store): Fix assertion to use == instead of =.
3566
3567 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
3568
3569         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
3570         call_used_regs for wCG registers.
3571
3572 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
3573
3574         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3575         for non-offsettable memory references to cope with outstanding reload
3576         replacements, take 2.
3577
3578 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
3579
3580         PR target/18668
3581         * config/i386/i386.h (x86_fisttp): New.
3582         (TARGET_FISTTP): New macro.
3583         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
3584         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
3585         instruction when fisttp flag is set.
3586         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
3587
3588         * config/i386/i386.md (type attribute): Add fisttp.
3589         (unit attribute): Set to i387 for fisttp type.
3590         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
3591         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
3592         TARGET_FISTTP.
3593         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
3594         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
3595         macros.
3596         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
3597         patterns for TARGET_FISTTP.  Enable patterns for
3598         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
3599         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
3600         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
3601         implement fisttp x87 insn.
3602         (fix_trunc*_i387_fisttp splitters): New patterns.
3603         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
3604         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
3605         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
3606         clobber.
3607         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
3608         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
3609         Implement using mode macros. Disable patterns for TARGET_FISTTP.
3610         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
3611         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
3612         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
3613         Disable patterns for TARGET_FISTTP.
3614         (fix_trunc*_i387 splitters): Implement usign mode macros.
3615         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
3616         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
3617         (fix_trunx*_sse peephole2s): Implement using mode macros.
3618
3619 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
3620
3621         PR rtl-optimization/20291
3622         * combine.c (try_combine): If splitting fails, re-try with
3623         original combined pattern, i.e. before clobber stripping.
3624
3625 2005-03-14  Eric Christopher  <echristo@redhat.com>
3626
3627         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
3628         STACK_GROWS_DOWNWARD.
3629
3630 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3631
3632         * real.h (struct real_format): Split the signbit field into two
3633         two fields, signbit_ro and signbit_rw.
3634         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
3635         mips_double_format, ieee_extended_motorola_format,
3636         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
3637         ieee_extended_intel_128_format, ibm_extended_format,
3638         mips_extended_format, ieee_quad_format, mips_quad_format,
3639         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
3640         i370_double_format, c4x_single_format, c4x_extended_format,
3641         real_internal_format): Update initializers for new field.
3642         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
3643         real_format structure.
3644         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
3645         field of the real_format structure.
3646
3647 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
3648
3649         Fix PR tree-optimization/20458
3650
3651         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
3652         DECL_EXTERNAL on STRUCT_FIELD tags.
3653         (clear_call_clobbered): Ditto.
3654         * tree-ssa-operands.c (note_addressable): Make sure the original
3655         variable doesn't slip into the addressable list if we have
3656         subvars.
3657         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
3658         tags too.
3659
3660 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
3661
3662         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
3663         (-fwide-exec-charset): Likewise.
3664         (-finput-charset): Likewise.
3665         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
3666         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
3667         * c.opt (Wnormalized): New.
3668
3669 2005-03-14  Devang Patel  <dpatel@apple.com>
3670
3671         * doc/invoke.texi: Add reference to Visibility document.
3672
3673 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3674
3675         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3676         MASK_SPLIT_ADDRESSES.
3677         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3678         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3679         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3680         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3681         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3682         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3683         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3684         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3685         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3686         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3687         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3688         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3689         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3690         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3691         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3692         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3693         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3694         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3695         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3696         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3697         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3698         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3699         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3700         (TARGET_EXPLICIT_RELOCS): Delete.
3701         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3702         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3703         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3704         (override_options): Set MASK_LONG64 if -mint64 is given and no
3705         -mlongXX option is.  Complain about -mint64 -mlong32.
3706         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3707         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3708         * config/mips/mips.opt: New file.
3709
3710 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3711
3712         * config.gcc (extra_options): New variable for listing option files.
3713         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3714         * configure.ac (extra_opt_files): New AC_SUBST variable.
3715         (tm_file_list, tm_include_list): Include options.h first.
3716         * configure: Regenerate.
3717         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3718         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3719         (s-options-h): New rule.
3720         (options.h): Depend on it.
3721         (TEXI_GCCINT_FILES): Add options.texi.
3722         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3723         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3724         * target.h (gcc_target): Add default_target_flags and handle_option.
3725         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3726         (TARGET_HANDLE_OPTION): New macros.
3727         (TARGET_INITIALIZER): Include them.
3728         * opt-functions.awk (opt_args, nth_arg): New functions.
3729         (switch_flags): Handle the "Target" flag.
3730         (var_args): Delete.
3731         (var_name): Use opt_args and nth_arg.
3732         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3733         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3734         macros for the "Mask" and "InverseMask" options.
3735         * opts.h (cl_var_cond): New enum.
3736         (cl_option): Replace the "has_set_value" and "set_value" fields with
3737         "var_cond" and "var_value".
3738         (CL_TARGET): New macro.
3739         (option_enabled, print_filtered_help): Declare.
3740         (decode_options): Move definition.
3741         * opts.c (handle_option): Search for the original option before
3742         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3743         var_cond and var_value fields.  Use targetm.handle_option to handle
3744         target options.
3745         (decode_options): Set target_flags to targetm.default_target_flags.
3746         (print_filtered_help): Make global.  Handle CL_TARGET.
3747         (option_enabled): New function.
3748         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3749         (display_target_options, set_target_switch, print_switch_values)
3750         (default_pch_valid_p): Guard uses of target_switches with
3751         #ifdef TARGET_SWITCHES.  Also...
3752         (display_target_options): Display the CL_TARGET entries in cl_options.
3753         (set_target_option): Don't complain about the "" option when
3754         TARGET_SWITCHES is undefined.
3755         (print_switch_values): Use option_enabled.
3756         (default_pch_valid_p): Check cl_options[] when looking for something
3757         that has changed the value of target_flags.
3758         * c.opt: Remove documentation from top of file.
3759         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3760         * doc/sourecebuild.texi: Refer to the new options documentation
3761         instead of c.opt.  Document machine-specific .opt files.
3762         * doc/tm.texi (target_flags): Say that this variable is declared
3763         by options.h.
3764         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3765         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3766         an alternative.
3767         * doc/options.texi: New file.
3768
3769 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3770
3771         PR middle-end/18628
3772         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3773         register.
3774
3775 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3776
3777         PR c++/20280
3778         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3779         temporary variable of pointer type if an lvalues is required.
3780         (gimplify_modify_expr_rhs): Request an rvalue from it.
3781         (gimplify_expr): Pass fallback on.
3782
3783 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3784
3785         * cfgbuild.c: Update comments.
3786
3787 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3788
3789         PR rtl-optimization/17236
3790         * optabs.c (expand_doubleword_mult): New helper function split out
3791         from expand_binop.  Permute the order in which instructions are
3792         emitted to minimize the number of simultaneously live registers.
3793         (expand_binop): Call expand_doubleword_mult to synthesize a double
3794         word multiplication.
3795
3796 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3797
3798         * basic-block.h: Update the prototypes of cached_make_edge and
3799         rtl_make_eh_edge.
3800         * cfg.c (cached_make_edge): Take edge_cache representing one
3801         row of the adjacency matrix of edges.
3802         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3803         (make_edges): Initialize edge_cache to represent one row of
3804         the adjacency matrix of edges.
3805
3806 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3807
3808         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3809         New functions.
3810         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3811         Remove unused removed_phis variable.
3812         (conditional_replacement): Use build1/build2.
3813         (abs_replacement): Use last_and_only_stmt and build1/build2.
3814
3815 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3816
3817         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3818         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3819         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3820         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3821         * c-common.c (handle_novops_attribute): New function.
3822         (c_common_attribute_table): Add "no vops" entry.
3823         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3824         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3825         * tree-ssa-operands.c (get_call_expr_operands): Do not
3826         create virtual operands for calls with ECF_NOVOPS flag.
3827         * tree.h (DECL_IS_NOVOPS): New macro.
3828         (struct tree_decl): Add novops_flag.
3829         (ECF_NOVOPS): New constant.
3830
3831 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3832
3833         PR target/17688
3834         * config/i386/i386.c (x86_use_himode_fiop): New.
3835         (x86_use_simode_fiop): Rename from x86_use_fiop.
3836         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3837         (TARGET_USE_HIMODE_FIOP): New.
3838         (x86_use_simode_fiop): Rename from x86_use_fiop.
3839         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3840
3841         * config/i386/i386.md (X87MODEI12): New mode macro define.
3842         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3843         to implement x87 FP compare with HImode input operands.
3844         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3845         Use X87MODEI12 mode macro to handle HImode input operands.
3846         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3847         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3848         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3849         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3850         macro to implement x87 operators with HImode input operands.
3851         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3852         input operands.
3853
3854 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3855
3856         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3857         integer_zerop.
3858         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3859         constants invariant.
3860
3861 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3862
3863         * basic-block.h (BB_VISITED): Removed.
3864         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3865
3866 2005-03-14  Falk Hueffner  <falk@debian.org>
3867
3868         PR bootstrap/20424
3869         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3870
3871 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3872
3873         * ggc-zone.c: Fix comment typos.
3874
3875         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3876         stringpool.c, config/mips/mips-protos.h: Update copyright.
3877
3878 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3879
3880         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3881         throughout with its typedef, "rtx".
3882         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3883         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3884         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3885         regs in comment to match code.
3886
3887 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3888
3889         * except.c (check_handled): Make it static.
3890         * except.h: Remove the corresponding prototype.
3891
3892         * function.c (get_func_frame_size): Make it static.
3893         * function.h: Remove the corresponding type.
3894
3895         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3896         Make them static.
3897         * hard-reg-set.h: Remove the corresponding declarations.
3898
3899         * tree-cfg.c (verify_stmts): Check that
3900         bb_for_stmt (stmt) == bb for every PHI node and statement.
3901
3902 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3903
3904         * config.gcc: Remove excess indentation.
3905         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3906
3907 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3908
3909         PR middle-end/19331
3910         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3911         * fold-const.c (fold_sign_changed_comparison): Likewise.
3912         (fold_binary): Optimize comparisons against widened operands if
3913         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3914
3915 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3916
3917         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3918         (sparc_override_options): Initialize it.
3919         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3920
3921 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3922
3923         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3924         (reg_or_none500mem_operand): New predicate.
3925         (zero_reg_mem_operand): New predicate.
3926         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3927         to reg_or_none500mem_operand.
3928         (extendsfdf2_fpr): Add MEM alternative.
3929         (extenddftf2_internal): Change operand2 predicate to
3930         zero_reg_mem_operand.
3931
3932 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3933
3934         * ggc-zone.c: Rewritten.
3935
3936         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3937         if there are none.
3938         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3939         * config.in: Regenerated.
3940         * configure: Regenerated.
3941         * gengtype.c (write_types_process_field, write_func_for_structure):
3942         Pass new argument to gt_pch_note_object.
3943         * ggc-common.c (struct ptr_data): Add TYPE.
3944         (gt_pch_note_object): Take TYPE argument and save it.
3945         (call_count): Update call to ggc_pch_count_object.
3946         (call_alloc): Update call to ggc_pch_alloc_object.
3947         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3948         file.
3949         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3950         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3951         (ggc_alloc_zone_stat): Delete.
3952         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3953         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3954         (ggc_pch_alloc_object): Update prototypes.
3955         (garbage_zone): Delete.
3956         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3957         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3958         pointers.
3959         (tree_id_zone): New variable.
3960         (ggc_alloc_cleared_zone): Remove unused.
3961         (ggc_alloc_zone): Define.
3962         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3963         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3964         ggc_alloc_zone_stat.
3965         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3966         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3967         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3968         (make_node_stat): Likewise.  Use tree_id_zone.
3969
3970 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3971             Joseph S. Myers  <joseph@codesourcery.com>
3972
3973         * configure.ac: Check for MIPS TLS.
3974         * configure: Regenerated.
3975         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3976         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3977         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3978         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3979         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3980         (mips_classify_symbol, mips_symbolic_constant_p)
3981         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3982         (mips_tls_operand_p, mips_call_tls_get_addr)
3983         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3984         (mips_tls_symbol_ref_1): New functions.
3985         (mips_legitimize_address, mips_legitimize_const_move): Call
3986         mips_legitimize_tls_address.
3987         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3988         for MIPS16.
3989         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3990         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3991         (mips_char_to_class): Document V1_REG.
3992         (HAVE_AS_TLS): Provide default.
3993         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3994         constants.
3995         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3996         !TARGET_ABICALLS.
3997         (tls_get_tp_<mode>): New instruction.
3998
3999 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
4000
4001         * configure.ac: Update checks for target tools.
4002         * configure: Regenerated.
4003
4004 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
4005
4006         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
4007
4008 2005-03-13  Roger Sayle  <roger@eyesopen.com>
4009
4010         * expmed.c (expand_mult): Use synthetic multiplication sequences for
4011         more classes of DImode multiplication by constant.  Allow both
4012         multiplication by small negative constants (by performing a
4013         multiplication by a positive constant and negating the result) and
4014         multiplications by large powers of two, by using a left shift.
4015
4016 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
4017
4018         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
4019         of basic blocks into work_stack.
4020
4021         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
4022         config/mips/vr.h: Update copyright.
4023
4024         * c-decl.c (c_init_decl_processing): Remove useless calls to
4025         build_function_type.
4026
4027         * builtins.c (fold_trunc_transparent_mathfn,
4028         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
4029         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4030         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
4031         fold_builtin_strcpy, fold_builtin_strncpy,
4032         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
4033         TREE_TYPE (exp).
4034
4035         * builtins.c (expand_builtin_mathfn_3): Remove local variable
4036         before_call.
4037
4038         * lambda-code.c (lambda_compute_auxillary_space): Remove local
4039         variable determinant.
4040
4041         * tree-cfg.c (group_case_labels): Remove local variable type.
4042
4043         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
4044         variable ann.
4045
4046         * tree-ssa-phiopt.c (value_replacement): Remove local variable
4047         result.
4048
4049 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4050
4051         PR target/18251
4052         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
4053         (*movmemqi_insn): Delete.
4054         (*movmemhi): Delete.
4055
4056 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
4057
4058         * builtins.c (fold_builtin_classify): Take decomposed
4059         arguments of CALL_EXPR.
4060         (fold_builtin_1): Update a call to fold_builtin_classify.
4061
4062 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
4063
4064         PR c/20402
4065         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
4066         through into call to parser_xref_tag after parse error.
4067         (c_parser_struct_declaration): Consistently return NULL_TREE on
4068         error.
4069
4070 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
4071
4072         * tree-flow-inline.h (ref_contains_array_ref): New function.
4073         (lookup_subvars_for_var): Ditto.
4074         (get_subvars_for_var): Ditto.
4075         (var_can_have_subvars): Ditto.
4076
4077         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
4078         (struct subvar): New type.
4079
4080         * tree-dfa.c (okay_component_ref_for_subvars): New function.
4081
4082         * tree-optimize.c (init_tree_optimization_passes): Call
4083         pass_create_structure_vars.
4084
4085         * tree-ssa-alias.c: Include vec.h.
4086         (init_alias_info): Don't auto-clear call clobbered on struct-field
4087         tags.
4088         (compute_flow_insensitive_aliasing): Handle subvars.
4089         (group_aliases): Handle STRUCT_FIELD aliases.
4090         (setup_pointers_and_addressables): Ditto.
4091         Don't mark variables non-addressable if they still have
4092         addressable subvars.
4093         Also mark subvars addressable when the real variable is marked
4094         addressable.
4095         (add_pointed_to_var): Try to prune the pointed-to set by only
4096         pointing to subvars when possible.
4097         Otherwise, make sure we set addresses_needed and pt_vars to
4098         properly include subvars.
4099         (bitpos_of_field): New function.
4100         (push_fields_onto_fieldstack): Ditto.
4101         (get_or_create_used_part_for): Ditto.
4102         (create_overlap_variables_for): Ditto.
4103         (find_used_portions): Ditto.
4104         (create_structure_vars): Ditto.
4105         (pass_create_structure_vars): New structure.
4106
4107         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
4108         (get_expr_operands): Handle subvars.  Also try to turn
4109         COMPONENT_REF accesses into must-defs now that we can accurately
4110         portray it.
4111         (note_addressable): Try to only mark as addressable those subvars
4112         we know a COMPONENT_REF touches.
4113         (overlap_subvar): New function.
4114
4115         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
4116         Handle subvar storing.
4117         (vect_address_analysis): Update caller of vect_object_analysis.
4118
4119         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
4120
4121         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
4122         (STMT_VINFO_SUBVARS): New macro.
4123
4124         * common.opts: add flag_tree_salias.
4125
4126         * opts.c (decode_options): flag_tree_salias defaults to on.
4127
4128         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
4129
4130         * doc/tree-ssa.texi: Document structural alias analysis.
4131
4132 2005-03-12  Steven Bosscher  <stevenb@suse.de>
4133
4134         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
4135         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
4136         * tree-ssa-operands.c (get_expr_operands): Likewise.
4137         (get_expr_operands): Likewise for ERROR_MARK.
4138
4139 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4140
4141         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
4142         var.
4143
4144         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
4145         removed_phis.
4146
4147         * tree-ssa-pre.c (compute_avail): Remove local variable val.
4148         (mark_operand_necessary): Remove local variable ver.
4149
4150         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
4151         variable prefix_len.
4152
4153         * value-prof.c (mod_subtract_transform): Remove local variable
4154         value.
4155
4156         * builtins.c (fold_builtin_exponent): Take decomposed
4157         arguments of CALL_EXPR.
4158         (fold_builtin_1): Update a call to fold_builtin_exponent.
4159
4160         * builtins.c (fold_builtin_logarithm): Take decomposed
4161         arguments of CALL_EXPR.
4162         (fold_builtin_1): Update a call to fold_builtin_logarithm.
4163
4164         * c-decl.c (c_init_decl_processing): Remove local variables
4165         ptr_ftype_void and ptr_ftype_ptr.
4166
4167         * gimplify.c (gimplify_expr): Remove local variables r0 and
4168         r1.
4169
4170         * reg-stack.c (move_for_stack_reg): Remove local variable
4171         push_insn.
4172         (compare_for_stack_reg): Remove local variable flags_user.
4173         (convert_regs_1): Remove local variable deleted.
4174
4175         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
4176         variable new_cond.
4177         (combine_blocks): Remove local variables exits and new_e.
4178
4179         * tree-inline.c (expand_call_inline): Remove local variable
4180         decl.
4181
4182         * tree-ssa-live.c (create_ssa_var_map,
4183         calculate_live_on_entry): Remove local variable snn.
4184
4185 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
4186
4187         * c-lex.c (c_lex_with_flags): Add parameter to call to
4188         cpp_spell_token.
4189
4190 2005-03-11  Per Bothner  <per@bothner.com>
4191
4192         * c-tree.h (struct c_declarator): New id_loc field.
4193         * c-pragma.h (c_lex_with_flags): Take position reference.
4194         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
4195         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
4196         (c_lex): Pass dummy location to c_lex_with_flags.
4197         * c-parser.c (c_lex_one_token): Set c_token's location using
4198         c_lex_with_flags, instead of input_location, which might be "ahead".
4199         (c_parser_direct_declarator): Set declarator's id_loc from
4200         c_token's id_loc.
4201         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
4202         declarator's id_loc, rather than probably-imprecise input_location.
4203         (build_id_declarator): Initialize c_declarator's id_loc field.
4204
4205 2005-03-11  Roger Sayle  <roger@eyesopen.com>
4206
4207         PR middle-end/20419
4208         * builtins.c (expand_builtin_signbit): Force the signbit's word
4209         into an integer register to avoid SUBREGs of floating point modes.
4210
4211 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4212
4213         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
4214         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
4215         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
4216         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
4217
4218 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
4219
4220         PR rtl-optimization/20306
4221         * expr.c (emit_move_complex): Set try_int false if mode is
4222         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
4223         emit_block_move if try_int is true.
4224
4225 2005-03-11  Richard Henderson  <rth@redhat.com>
4226
4227         PR target/20415
4228         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
4229         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
4230         to match.
4231
4232 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4233
4234         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
4235         (TARGET_FIX_VR4130): New macro.
4236         (TARGET_OPTIONS): Add -mfix-vr4130.
4237         (ISA_HAS_MACCHI): New macro.
4238         (ASM_SPEC): Add -mfix-vr4130.
4239         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
4240         (override_options): Handle mips_fix_vr4130_string.
4241         (mips_avoid_hazards): Clear all_noreorder_p
4242         if we're working around VR4130 errata and the macc alternatives
4243         are not available.
4244         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
4245         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
4246         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
4247         (MULTILIB_DEFAULTS): Remove leading "march=".
4248         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
4249         if no architecture option is given.
4250         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
4251         VR4130 multilibs.
4252         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
4253         * doc/invoke.texi: Document -mfix-vr4130.
4254
4255 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4256
4257         * config/mips/mips.c (override_options): Only warn about -mint64
4258         deprecation if TARGET_INT64.
4259
4260 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4261
4262         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
4263         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
4264         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
4265         are non-specific regarding the nonnull parameter positions.
4266         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
4267         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
4268         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
4269         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
4270
4271         * builtins.def: Use the non-specific "nonnull" attibute lists.
4272
4273 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4274
4275         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4276         single_pred_edge, single_succ, single_pred): Improve comments.
4277
4278 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4279
4280         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4281         single_pred_edge, single_succ, single_pred): New inline functions.
4282         * bb-reorder.c (rotate_loop, find_traces_1_round,
4283         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
4284         duplicate_computed_gotos): Use the single_succ/pred functions.
4285         * cfganal.c (forwarder_block_p): Ditto.
4286         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
4287         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4288         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
4289         merge_seq_blocks): Ditto.
4290         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
4291         * cfglayout.c (fixup_reorder_chain): Ditto.
4292         * cfgloop.c (mark_single_exit_loops, update_latch_info,
4293         canonicalize_loop_headers, verify_loop_structure): Ditto.
4294         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
4295         mfb_update_loops, create_preheader, force_single_succ_latches,
4296         create_loop_notes): Ditto.
4297         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
4298         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
4299         commit_one_edge_insertion, purge_dead_edges,
4300         cfg_layout_can_merge_blocks_p): Ditto.
4301         * except.c (sjlj_emit_function_enter): Ditto.
4302         * flow.c (init_propagate_block_info): Ditto.
4303         * function.c (thread_prologue_and_epilogue_insns): Ditto.
4304         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
4305         insert_insn_end_bb): Ditto.
4306         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
4307         find_if_case_2): Ditto.
4308         * lambda-code.c (perfect_nestify): Ditto.
4309         * lcm.c (optimize_mode_switching): Ditto.
4310         * loop-doloop.c (doloop_modify): Ditto.
4311         * loop-init.c (loop_optimizer_init): Ditto.
4312         * loop-iv.c (simplify_using_initial_values): Ditto.
4313         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
4314         * loop-unswitch.c (unswitch_loop): Ditto.
4315         * modulo-sched.c (generate_prolog_epilog): Ditto.
4316         * predict.c (combine_predictions_for_insn, estimate_probability,
4317         tree_estimate_probability, last_basic_block_p,
4318         estimate_bb_frequencies): Ditto.
4319         * profile.c (branch_prob): Ditto.
4320         * regrename.c (copyprop_hardreg_forward): Ditto.
4321         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
4322         * tracer.c (layout_superblocks): Ditto.
4323         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
4324         cfg_remove_useless_stmts_bb, cleanup_control_flow,
4325         cleanup_control_expr_graph, disband_implicit_edges,
4326         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
4327         tree_verify_flow_info, tree_make_forwarder_block,
4328         tree_forwarder_block_p, remove_forwarder_block,
4329         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
4330         * tree-if-conv.c (tree_if_conversion): Ditto.
4331         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
4332         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
4333         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
4334         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
4335         copy_loop_headers): Ditto.
4336         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
4337         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
4338         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
4339         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
4340         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
4341         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
4342         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
4343         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
4344         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
4345         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
4346         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
4347         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
4348         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
4349         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
4350         slpeel_add_loop_guard): Ditto.
4351
4352 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
4353
4354         PR tree-optimization/15784
4355         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4356         and -1 - A to ~A.
4357
4358         * stmt.c (expand_case): Don't change index_type.  Convert minval
4359         to the proper type.
4360
4361         PR tree-optimization/20130
4362         * fold-const.c (fold): Fold x * -1 into -x.
4363
4364 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4365
4366         PR rtl-optimization/20331
4367         * rtlanal.c (modified_between_p): Check its address first for MEM.
4368         (modified_in_p): Likewise.
4369
4370 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
4371
4372         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
4373
4374 2005-03-10  Steven Bosscher  <stevenb@suse.de>
4375
4376         * expr.c (expand_expr_real_1): If possible, use a conditional
4377         move for expanding MIN_EXPR and MAX_EXPR.
4378         Use temp for moving around rtx-en.
4379
4380 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
4381
4382         PR rtl-opt/20412
4383         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
4384         correct mode.
4385
4386 2005-03-10  Roger Sayle  <roger@eyesopen.com>
4387
4388         * builtins.c (expand_builtin_signbit): Extend to handle floating
4389         point modes wider than the largest integer type, using the
4390         operand_subword_force function to obtain the signbit's word.
4391
4392 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4393
4394         PR target/20322
4395         * combine.c (try_combine): If recog_for_combine added CLOBBERs
4396         to NEWI2PAT, fail to combine if they are used by NEWPAT.
4397
4398 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
4399
4400         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
4401
4402 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
4403
4404         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
4405         type void.
4406         (perform_edge_inserts): Unconditionally call
4407         free_dominator_info.
4408
4409         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
4410
4411 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
4412
4413         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
4414
4415 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
4416
4417         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
4418
4419         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
4420         gcc_unreachable.
4421         (rtl_register_value_prof_hooks,
4422         tree_value_profile_transformations,
4423         tree_register_value_prof_hooks): Likewise.
4424         * var-tracking.c (stack_adjust_offset_pre_post,
4425         variable_htab_free, variable_union, dataflow_set_different_2,
4426         count_uses, variable_was_changed, set_frame_base_location,
4427         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
4428         vt_add_function_parameters): Likewise.
4429         * varasm.c (named_section_real, named_section, make_decl_rtl,
4430         asm_emit_uninitialised, assemble_integer, decode_addr_const,
4431         const_hash_1, compare_constant, copy_constant, force_const_mem,
4432         output_constant_pool_2, output_constant_pool_1, output_constant,
4433         output_constructor, make_decl_one_only, decl_tls_model,
4434         default_no_named_section, default_elf_select_section_1,
4435         default_unique_section_1): Likewise.
4436         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
4437         * vmsdbgout.c (addr_const_to_string): Likewise.
4438
4439         PR c++/20375
4440         * function.c (struct assign_parm_data_one): Remove last_named
4441         field.
4442         (assign_parm_find_data_types): Don't determine last_named.
4443         Reorder named_parm determination.
4444         (assign_parms): Only setup varargs on the last non-varadic
4445         parameter.
4446
4447 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
4448
4449         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
4450         sda base address on medium model.
4451
4452 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
4453
4454         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
4455         * cfgloop.c (flow_loop_nodes_find): Export.
4456         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
4457         Declare.
4458         * cfgloopmanip.c (fix_loop_structure): New function.
4459         * predict.c (predict_loops): Clean up the loops information.
4460         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
4461         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
4462         loop structure.
4463         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
4464         (rewrite_into_loop_closed_ssa): Declaration changed.
4465         * tree-loop-linear.c (linear_transform_loops): Add argument to
4466         rewrite_into_loop_closed_ssa call.
4467         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4468         * tree-ssa-loop-im.c (move_computations): Ditto.
4469         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4470         * tree-vectorizer.c (vectorize_loops): Ditto.
4471         * tree-optimize.c: Include cfgloop.h.
4472         (execute_todo): Choose whether to call cleanup_tree_cfg or
4473         cleanup_tree_cfg_loop.
4474         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
4475         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
4476         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
4477         cleanup_tree_cfg_loop call.
4478         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
4479         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
4480         work on part of cfg.
4481
4482 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4483
4484         PR inline-asm/20314
4485         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
4486         with multiple alternatives.
4487
4488         * stmt.c (parse_output_constraint): Fix a typo.
4489
4490 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
4491
4492         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
4493         assembly directive instead of deprecated "no-generics".
4494
4495 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
4496
4497         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4498         for non-offsettable memory references to cope with outstanding reload
4499         replacements.
4500         * config/s390/s390.md ("reload_outti"): Call find_replacement to
4501         avoid losing outstanding address reloads.
4502         ("reload_outdi", "reload_outdf"): Likewise.
4503
4504 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4505
4506         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
4507         code.  Add more cbrt transformations.
4508
4509 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4510
4511         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
4512
4513 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4514
4515         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
4516         NULL_TREE when a given tree is not simplified.
4517         (fold): Return the original tree when any of the functions
4518         mentioned above NULL_TREE.
4519
4520         * fold-const.c (fold_unary, fold_binary): Take decomposed
4521         arguments, code, type, op0, and op1 in case of fold_binary.
4522         (fold): Update calls to fold_unary and fold_binary.
4523
4524 2005-03-09  Roger Sayle  <roger@eyesopen.com>
4525
4526         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
4527         a fndecl and an arglist instead of a CALL_EXPR, exp.
4528
4529 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4530
4531         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
4532
4533         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
4534
4535         * expr.c (expand_assignment): Remove orig_to_rtx.
4536
4537         * fold-const.c (int_const_binop): Remove no_overflow.
4538
4539         * ifcvt.c (noce_emit_move_insn): Remove inmode.
4540
4541         * loop-iv.c (get_biv_step_1): Remove lhs.
4542
4543         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
4544
4545         * real.c (real_nan): Remove neg.
4546
4547         * function.c (thread_prologue_and_epilogue_insns): Remove i
4548         and newinsn.
4549
4550         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
4551         tb.
4552
4553         * tree-eh.c (tree_could_trap_p): Remove idx.
4554
4555         * tree-into-ssa.c (ann): Remove ann.
4556
4557         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
4558
4559         * tree-sra.c (decide_block_copy): Remove inst_count.
4560
4561         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
4562
4563         * tree-ssa-loop-im.c (lhs): Remove.
4564
4565         * cfgbuild.c (state, STATE, SET_STATE,
4566         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
4567         make_edges.
4568         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
4569         (find_basic_blocks): Set the state of each basic block to
4570         BLOCK_NEW.
4571
4572 2005-03-08  Jeff Law  <law@redhat.com>
4573
4574         * tree-cfg.c (cleanup_control_flow): If removal of a computed
4575         goto results in the removal of edges in the CFG, then we need
4576         to recompute dominators.
4577
4578 2005-03-09  Ben Elliston  <bje@au.ibm.com>
4579
4580         * c-common.c (c_do_switch_warnings): Comment fix.
4581
4582 2005-03-08  Julian Brown  <julian@codesourcery.com>
4583
4584         * Patch from 2005-03-08 reverted for causing regressions and
4585         ppc-darwin bootstrap failure.
4586
4587 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
4588
4589         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
4590         Define the real function for ppc-darwin.
4591         * c-typeck.c (convert_arguments): Check for target-specific
4592         invalid argument call to unprototyped function.
4593         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4594         New Macro.
4595         * target.h (invalid_arg_for_unprototyped_fn): New field
4596         in struct calls.
4597         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
4598         default target hook.
4599         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
4600         Declare.
4601
4602 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4603
4604         * c-typeck.c (constructor_stack, constructor_range_stack,
4605         initializer_stack): Make them static.
4606
4607         * cfg.c (rbi_pool): Make it static.
4608
4609         * gimple-low.c (lower_stmt_body): Make it static.
4610         * tree-flow.h: Remove the corresponding prototype.  Don't
4611         declare lower_data.
4612
4613         * sched-deps.c (cache_size): Make it static.
4614
4615         * stor-layout.c (lang_adjust_rli): Make it static.
4616
4617 2005-03-08  Julian Brown  <julian@codesourcery.com>
4618
4619         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4620         from being used for symbols with vague linkage when
4621         HAVE_GAS_COMDAT_GROUP is true.
4622
4623 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
4624
4625         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
4626         nlabel == JUMP_LABEL (jump).
4627
4628 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4629
4630         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
4631         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
4632         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
4633         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
4634
4635 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
4636
4637         PR c/14411
4638         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
4639         * c-common.c (handle_returns_twice): New function.
4640         (c_common_attribute_table): Declare eturns_twice' attribute.
4641         * doc/extend.texi: Document eturns_twice' attribute.
4642         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
4643         (struct tree_decl): Add returns_twice_flag.
4644
4645 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4646
4647         * tree-ssa-phiopt.c: Fix a comment typo.
4648
4649         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
4650         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
4651         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
4652         copyright.
4653
4654 2005-03-08  Richard Henderson  <rth@redhat.com>
4655
4656         * config/alpha/alpha.c (code_for_builtin): Replace special-case
4657         builtin codes with ctzdi2, clzdi2, popcountdi2.
4658         (struct alpha_builtin_def): Add is_const.
4659         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
4660         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
4661         (alpha_init_builtins): Init them.  Set nothrow and const attributes
4662         on builtins.
4663         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
4664         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
4665         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
4666         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
4667         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
4668         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
4669         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
4670         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
4671         (TARGET_FOLD_BUILTIN): New.
4672         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
4673         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
4674         (ffsdi2): Use ctz.
4675         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
4676
4677 2005-03-08  Ira Rosen  <irar@il.ibm.com>
4678
4679         PR tree-optimization/20122
4680         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
4681         condition of access function instead of base.
4682
4683 2005-03-07  Jeff Law  <law@redhat.com>
4684             Steven Bosscher  <stevenb@suse.de>
4685
4686         * tree-cfg.c (find_taken_edge_computed_goto): New function.
4687         (find_taken_edge): Call find_taken_edge_computed_goto as
4688         appropriate.  Allow any gimple invariant rather than just
4689         INTEGER_CST for VAL.
4690         (cleanup_control_flow): Cleanup a computed goto which has turned
4691         into a simple goto.
4692         (tree_merge_blocks): If block B has any forced labels, move
4693         them to the start of block A.
4694         * tree-ssa-dom.c (thread_across_edge): Allow threading across
4695         computed gotos as well.
4696         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
4697         removal of unnecessary computed gotos too.
4698         (lookup_redirection_data): Fix type of INSERT argument.  Callers
4699         updated.
4700
4701 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4702
4703         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
4704         Remove trailing spaces.
4705
4706         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
4707         unshare_all_trees): Make them static.
4708         * tree-gimple.h: Remove the corresponding prototypes.
4709
4710         * diagnostic.h: Remove unused prototype
4711         debug_output_buffer.
4712         * modulo-sched.c: Remove unused prototype
4713         set_row_column_for_ps.
4714
4715         * tree-ssa-phiopt.c (tree_ssa_phiopt,
4716         replace_phi_edge_with_variable): Remove unused variable i.
4717
4718 2005-03-07  Per Bothner  <per@bothner.com>
4719
4720         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
4721
4722 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
4723
4724         PR tree-opt/17671
4725         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
4726         bbs on the COND_EXPR instead of the PHI_NODEs.
4727         (candidate_bb_for_phi_optimization): Remove.
4728         (replace_phi_with_stmt): Rename to ...
4729         (replace_phi_edge_with_variable): this and change so that we
4730         replace the phi argument instead of removing the PHI.
4731         (conditional_replacement): Change so we deal with PHI with more
4732         than two arguments.
4733         (value_replacement): Likewise.
4734         (abs_replacement): Likewise.
4735
4736 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
4737
4738         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
4739         output_e500_flip_gt_bit.
4740
4741         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
4742         as bit 31.
4743         (rs6000_generate_compare): Fix logic to look at the correct bits.
4744         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4745         Look at GT bit.
4746         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4747         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4748         gen_move_from_CR_gt_bit.
4749
4750         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4751         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4752         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4753
4754         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4755         (E500_CR_IOR_COMPARE): New constant.
4756
4757 2005-03-08  Earl Chew <earl_chew@agilent.com>
4758             David Billinghurst <David.Billinghurst@riotinto.com>
4759
4760         * config/i386/host-cygwin.c: New file to support precompiled
4761         headers on cygwin
4762         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4763         * config.host: Use above files for cygwin host.
4764
4765 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4766
4767         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4768         ordering ops from earlier change.
4769
4770 2005-03-07  Per Bothner  <per@bothner.com>
4771
4772         Various fixes to allow us to again build if --enable-mapped-location:
4773         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4774         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4775         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4776         local variable loc. Change logic appropriately.
4777         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4778         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4779         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4780         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4781         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4782
4783 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4784
4785         PR rtl-optimization/19683
4786         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4787         number of bytes, to smallest_int_for_mode.  Fix arguments to
4788         REG_CANNOT_CHANGE_MODE_P.
4789
4790 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4791
4792         * reorg.c (relax_delay_slots): Check that the jump is
4793         conditional before trying to invert it.
4794
4795 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4796
4797         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4798         Make them static.
4799
4800         * calls (stack_arg_under_construction): Make it static.
4801
4802         * flow.c (regs_live_at_setjmp): Make it static.
4803         * flow.h: Remove the corresponding prototype.
4804
4805         * reload1.c (reload_startobj, reload_firstobj,
4806         something_needs_operands_changed, reload_inherited,
4807         reload_inheritance_insn, reload_override_in,
4808         reload_spill_index): Make them static.
4809
4810         * recog.c (verify_changes): Make it static.
4811         * recog.h: Remove the corresponding prototype.
4812
4813         * cfgbuild.c (find_sub_basic_blocks): Remove.
4814         * basic-block.h: Remove the corresponding prototype.
4815         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4816         in comments.
4817         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4818
4819         * tree-ssa-operands.c (check_build_stmt): Remove.
4820
4821         * stor-layout.c (set_alignment): Remove.
4822         * tree.h: Remove the corresponding prototype.
4823
4824         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4825
4826         * tree-ssa-dce.c (control_dependence_map,
4827         visited_control_parents): Make them static.
4828
4829         * cfghooks.c (verify_flow_info): Remove local variable
4830         num_bb_notes.
4831
4832         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4833         last_bb_seen.
4834
4835         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4836
4837 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4838
4839         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4840
4841 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4842
4843         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4844         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4845         PARALLEL for an empty structure.
4846
4847 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4848
4849         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4850
4851         * fold-const.c (fold_binary): Unroll the very first "for"
4852         loop.
4853
4854 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4855
4856         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4857         redundant match_code test.
4858         (scc_comparison_operator): Swap match_operand and match_code
4859         tests.
4860         (branch_positive_comparison_operator): Same.
4861         (trap_comparison_operator): Use comparison_operator and swap with
4862         match_code test.
4863
4864 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4865
4866         PR target/20288
4867         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4868         (out_movhi_r_mr): Read low byte of volatile MEM first.
4869         (out_movhi_mr_r): Write high byte of volatile MEM first.
4870
4871 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4872
4873         * cselib.c (reg_values, reg_values_size): Make them static.
4874
4875         * cse.c (cse_reg_info_table): Make it static.
4876
4877         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4878
4879 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4880
4881         * cse.c (find_best_addr): Use canon_for_address.
4882
4883 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4884
4885         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4886         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4887         SUBREG and MEM, respectively.
4888
4889         * fold-const.c (fold_binary): Use code instead of t.
4890
4891         * fold-const.c (optimize_minmax_comparison): Take decomposed
4892         arguments code, type, op0, and op1 instead of t.
4893         (fold_binary): Update a call to optimize_minmax_comparison.
4894
4895         * fold-const.c (fold_range_test): Take decomposed arguments
4896         code, type, op0, and op1 instead of t.
4897         (fold_binary): Update a call to fold_range_test.
4898
4899         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4900         decomposed arguments code, type, op0, and op1 instead of t.
4901         (fold_binary): Update a call to fold_range_test.
4902
4903 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4904
4905         * fold-const.c (fold_binary): Avoid directly using the original
4906         expression t as much as possible.
4907
4908 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4909
4910         * c-semantics.c (build_stmt): Use TYPE_P instead of
4911         IS_NON_TYPE_CODE_CLASS.
4912         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4913         (NON_TYPE_CHECK): Use TYPE_P instead of
4914         IS_NON_TYPE_CODE_CLASS.
4915
4916         * fold-const.c (fold): Remove handling of binary expressions.
4917
4918 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4919
4920         * doc/c-tree.texi: Wrap comments in @r{}.
4921         * doc/cpp.texi: Likewise.
4922         * doc/cppinternals.texi: Likewise.
4923         * doc/extend.texi: Likewise.
4924         * doc/md.texi: Likewise.
4925         * doc/objc.texi: Likewise.
4926         * doc/sourcebuild.texi: Likewise.
4927         * doc/tm.texi: Likewise.
4928         * doc/tree-ssa.texi
4929
4930 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4931
4932         * predict.c (apply_return_prediction): Standardize PHI chain
4933         walking.
4934         * tree-ssa.c (ssa_redirect_edge): Likewise.
4935
4936         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4937         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4938         Update copyright.
4939
4940         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4941         * tree-flow.h: Adjust the prototype for remove_phi_node.
4942         * lambda-code.c (perfect_nestify): Adjust a call to
4943         remove_phi_node.
4944         * tree-cfg.c
4945         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4946         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4947         Likewise.
4948         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4949         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4950         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4951         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4952
4953         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4954         of GEN_INT (trunc_int_for_mode (...)).
4955         * loop-iv.c (iv_number_of_iterations): Likewise.
4956         * postreload.c (reload_cse_move2add): Likewise.
4957         * simplify-rtx.c (simplify_const_unary_operation,
4958         simplify_const_binary_operation): Likewise.
4959         * stor-layout.c (get_mode_bounds): Likewise.
4960
4961         * fold-const.c (fold_binary): New.
4962         (fold): Call fold_binary on binary expressions.
4963
4964 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4965
4966         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4967         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4968         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4969         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4970         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4971
4972 2005-03-04  Devang Patel  <dpatel@apple.com>
4973
4974         PR tree-optimization/18815
4975         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4976         loops with zero exit edges.
4977
4978 2005-03-04  Devang Patel  <dpatel@apple.com>
4979
4980         * doc/invoke.texi: Remove reference to webpage that does not exist.
4981
4982 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4983             Joseph S. Myers  <joseph@codesourcery.com>
4984
4985         PR c++/19797
4986         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4987         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4988         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4989         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4990         maybe_get_identifier instead of get_identifier.
4991         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4992         (struct deferred_plabel): Replace name field with symbol field.
4993         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4994         ASM_OUTPUT_EXTERNAL_REAL is defined.
4995         (output_global_address): Use output_addr_const for output of all
4996         symbol_refs.
4997         (output_deferred_plabels): Use symbol_ref instead of name for address
4998         output.
4999         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
5000         ASM_OUTPUT_SYMBOL_REF): New macros.
5001         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
5002         comment.
5003         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
5004         label.
5005
5006 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
5007
5008         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
5009         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
5010
5011 2005-03-04  Jeff Law  <law@redhat.com>
5012
5013         * basic-block.h (rediscover_loops_after_threading): Declare.
5014         * tree-ssa-dom.c: Include cfgloop.h.
5015         (tree_ssa_dominator_optimize): Discover loops and some basic
5016         properties.  Remove forwarder blocks recreated by loop header
5017         canonicalization.  Also mark backedges in the CFG.
5018         * tree-ssa-threadupdate.c: Include cfgloop.h
5019         (rediscover_loops_after_threading): Define.
5020         (struct local_info): New field, JUMP_THREADED.
5021         (prune_undesirable_thread_requests): New function.
5022         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
5023         then record that fact for the callers of redirct_edges.
5024         (thread_block): If BB has incoming backedges, then call
5025         prune_undesirable_thraed_requests.    Note when we are
5026         going to have to rediscover loop information.  Return a
5027         boolean indicating if any jumps were threaded.
5028         (thread_through_all_blocks): Bubble up boolean indicating
5029         if any jumps were threaded.
5030         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
5031         (tree-ssa-threadupdate.o): Similarly.
5032
5033 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5034
5035         * fold-const.c (fold_ternary): Unroll the "for" loop to
5036         extract operands.
5037
5038 2005-03-04  Andrew Haley  <aph@redhat.com>
5039
5040         * unwind-dw2-fde-glibc.c (struct
5041         unw_eh_callback_data.check_cache): New field.
5042         (frame_hdr_cache): New.
5043         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
5044         Cache frame header info.
5045
5046 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
5047
5048         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
5049         (print_c_condition): Declare.
5050         * read-rtl.c (ptr_loc): New structure.
5051         (ptr_locs, ptr_loc_obstack, joined_conditions)
5052         (joined_conditions_obstack): New variables.
5053         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
5054         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
5055         (join_c_conditions, print_c_condition): New functions.
5056         (apply_macro_to_string): Associate the new string with the same
5057         source location as the old one.
5058         (add_condition_to_string): Use join_c_conditions.
5059         (read_string): Use set_rtx_ptr_loc to record a filename and line
5060         number for the string.
5061         (read_rtx): Initialize the new variables above.
5062         * genattrtab.c (write_test_expr, write_attr_value): Use
5063         print_c_condition.
5064         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
5065         comment above the GCC_VERSION check.
5066         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
5067         Inline the definition of MAYBE_EVAL.
5068         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
5069         * genoutput.c (process_template): Likewise.
5070         * genpreds.c (write_predicate_subfunction): Likewise.
5071         (write_predicate_expr): Use print_c_condition.
5072         * genrecog.c (write_cond): Likewise.
5073         * gensupport.c (process_rtx): Use join_c_conditions to join the
5074         conditions of a define_insn_and_split.  Record a source location
5075         for the string after the "&&".
5076         (alter_test_for_insn): Use join_c_conditions.
5077
5078 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
5079
5080         Revert for now:
5081         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5082         PR tree-optimization/15784
5083         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5084         and -1 - A to ~A.
5085
5086 2005-03-04  Ben Elliston  <bje@au.ibm.com>
5087
5088         * gcc.c (option_map): Add --coverage.
5089         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
5090         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
5091         * config/darwin.h: Pass -lgcov for `coverage'.
5092         * doc/invoke.texi (Debugging Options): Document --coverage.
5093
5094 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5095
5096         * gcse.c (bypass_block): Use find_edge wherever possible.
5097
5098 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
5099
5100         Fix PR debug/20253
5101
5102         * c-opts.c (c_common_parse_file): Call start_source_file
5103         and end_source_file at the approriate times.
5104
5105         * dwarf2out.c (dwarf2out_finish): Don't auto-end
5106         the main file, it will be done for us now.
5107
5108 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5109
5110         * fold-const.c (fold_ternary): New.
5111         (fold): Call fold_ternary on ternary expressions.  Remove
5112         handling of ternary expressions.
5113
5114 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5115
5116         PR tree-optimization/15784
5117         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5118         and -1 - A to ~A.
5119
5120 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
5121
5122         * config/rs6000/predicates.md (branch_comparison_operator):
5123         Convert from C block to conditional format.
5124
5125 2005-03-03  Jan Hubicka  <jh@suse.cz>
5126
5127         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
5128         and non-constant public variables.
5129
5130 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
5131
5132         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
5133         with LABEL_EXPR.
5134
5135         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
5136         EDGE_I.
5137
5138         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
5139         calls to release_ssa_name and release_phi_node.
5140
5141         * fold-const.c (fold): Remove handling of unary expressions.
5142
5143         * fold-const.c (fold_unary): Avoid directly using the original
5144         expression t as much as possible.
5145
5146 2005-03-03  Roger Sayle  <roger@eyesopen.com>
5147             Andrew Pinski  <pinskia@physics.uc.edu>
5148
5149         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
5150         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
5151
5152 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
5153
5154         Describe special registers SRP and MOF as allocatable registers.
5155         * config/cris/cris.c (cris_md_asm_clobbers): New function.
5156         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
5157         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
5158         TARGET_HAS_MUL_INSNS.
5159         (cris_print_operand) <case 'd'>: New case.
5160         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
5161         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
5162         define.
5163         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
5164         (REG_ALLOC_ORDER): Update for MOF.
5165         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
5166         SPECIAL_REGS.
5167         (GENERAL_REGS): No longer a define of ALL_REGS.
5168         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
5169         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5170         Adjust accordingly.
5171         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
5172         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
5173         (SECONDARY_RELOAD_CLASS): Define.
5174         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
5175         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
5176         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
5177         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
5178         (REGISTER_MOVE_COST): Define.
5179         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
5180         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
5181         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
5182         (CRIS_MOF_REGNUM): New define_constants.
5183         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
5184         special registers.
5185         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
5186         New patterns.
5187         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
5188         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
5189         Adjust for MOF being properly described as a register.
5190         (indir_to_reg_split): Name this split.  Conditionalize on the
5191         destination register being a general register.
5192         (movei): Conditionalize on on operands 0 and 1 having the same
5193         register class.
5194
5195 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
5196
5197         PR target/20277
5198         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
5199         -mcpu to override any other explicitly given flags.
5200
5201 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
5202
5203         * recog.c (verify_changes, confirm_change_group): New functions,
5204         broken out of apply_change_group.
5205         (apply_change_group): Use them.
5206         * recog.h (verify_change, confirm_change_group): Declare.
5207         * rtl.h (redirect_jump_2): Declare.
5208         * jump.c (redirect_exp, invert_exp): Delete.
5209         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
5210         (redirect_jump_2): New function, broken out of redirect_jump.
5211         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
5212         (invert_jump): Use invert_jump_1 and redirect_jump_2.
5213         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
5214
5215 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
5216
5217         * varasm.c (named_section): Use xstrdup rather than doing it by
5218         hand.
5219
5220         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
5221
5222 2005-03-02  Devang Patel  <dpatel@apple.com>
5223
5224         Undo PR tree-optimization/18815 fix.
5225
5226 2005-03-02  Devang Patel  <dpatel@apple.com>
5227
5228         PR tree-optimization/18815
5229         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
5230         loops with zero exit edges.
5231
5232 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5233
5234         * cfg.c (connect_src, connect_dest, disconnect_src,
5235         disconnct_dest): New.
5236         (unchecked_make_edge, remove_edge, redirect_edge_succ,
5237         redirect_edge_pred): Use the new functions.
5238
5239         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5240         free_dominance_info only when needed.
5241
5242 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
5243
5244         PR target/20276
5245         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
5246         (reg_or_sub_cint64_operand): Same.
5247
5248 2005-03-02  Jeff Law  <law@redhat.com>
5249
5250         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
5251         CFG_ALTERED in the main DOM iteration loop.
5252
5253 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
5254
5255         PR c++/19916
5256         * varasm.c (initializer_constant_valid_p): Allow conversions
5257         between OFFSET_TYPEs.  Tidy.
5258
5259 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
5260
5261         * config/cris/cris.md ("return"): Remove epilogue delay list
5262         sanity check.
5263
5264 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
5265
5266         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
5267         for Thumb.
5268         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
5269
5270 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5271
5272         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
5273         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
5274         config/m68k/m68k.c, config/mips/mips.h,
5275         config/rs6000/rs6000-protos.h, doc/contrib.texi,
5276         doc/include/gcc-common.texi: Update copyright.
5277
5278         PR middle-end/18029 and PR middle-end/18030
5279         * expr.c (optimize_bitfield_assignment_op): Add a special case
5280         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
5281
5282         * fold-const.c (fold_unary): New.
5283         (fold): Call fold_unary on unary expressions.
5284
5285 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
5286
5287         * cgraph.h (struct cgraph_edge): Add prev_caller and
5288         prev_callee fields.
5289         (cgraph_node_remove_callees): Export.
5290         * cgraph.c (cgraph_create_edge): Initialize prev_caller
5291         and prev_callee.
5292         (cgraph_edge_remove_callee): New function.
5293         (cgraph_edge_remove_caller): Likewise.
5294         (cgraph_remove_edge): Use.
5295         (cgraph_redirect_edge_callee): Likewise.
5296         (cgraph_node_remove_callees): New function.
5297         (cgraph_node_remove_callers): Likewise.
5298         (cgraph_remove_node): Use.
5299         * tree-optimize.c (tree_rest_of_compilation): Use
5300         cgraph_node_remove_callees instead of manual loop.
5301         * cgraphunit.c (cgraph_finalize_function): Likewise.
5302         (cgraph_expand_function): Likewise.
5303         (cgraph_remove_unreachable_nodes): Likewise.
5304
5305 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
5306
5307         PR c/8927
5308         * c-tree.h (undeclared_variable, build_external_ref): Add extra
5309         argument.
5310         * c-decl.c (undeclared_variable): Take location as argument.
5311         * c-typeck.c (build_external_ref): Likewise.
5312         * c-parser.c (c_parser_postfix_expression): Pass location of
5313         identifier to build_external_ref.
5314
5315 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5316
5317         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
5318         CCEQ mode for branch_positive_comparison_operator test.
5319         * config/rs6000/predicates (branch_comparison_operator): Revert to
5320         define_predicate.
5321         (scc_comparison_operator): Same.
5322         (branch_positive_comparison_operator): Same.
5323
5324 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
5325
5326         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
5327         (cris_delay_slots_for_epilogue): Remove.
5328         (save_last): Move into cris_target_asm_function_epilogue.
5329         (cris_target_asm_function_epilogue): Remove tests for file being
5330         NULL.
5331         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
5332         (cris_delay_slots_for_epilogue): Remove prototypes.
5333         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
5334         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
5335
5336 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5337
5338         * config/rs6000/predicates.md (branch_comparison_operator): Change
5339         to define_special_predicate.
5340         (scc_comparison_operator): Same.
5341         (branch_positive_comparison_operator): Same.
5342
5343 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
5344
5345         * Makefile.in (tree-ssa-sink.o): New.
5346         (OBJS-common): Add tree-ssa-sink.o.
5347         * common.opt: Add -ftree-sink
5348         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
5349         * timevar.def (TV_TREE_SINK): new timevar.
5350         * tree-flow.h (is_hidden_global_store): Prototype.
5351         * tree-optimize.c (init_tree_optimization_passes): Add
5352         pass_sink_code.
5353         * tree-pass.h (pass_sink_code): New.
5354         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
5355         for non-obvious global store store to is_hidden_global_store, and
5356         call that new function.
5357         * tree-ssa-sink.c: New file.
5358         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
5359         * doc/passes.texi: Document forward store motion.
5360         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
5361         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
5362         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
5363         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
5364
5365 2005-03-01  Per Bothner  <per@bothner.com>
5366
5367         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
5368         and we have a non-zero column-number, add it to the message.
5369         Also factor out the diagnostic_kind_text.
5370
5371 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5372
5373         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
5374         flow_loop_pre_header_scan, flow_loop_pre_header_find,
5375         flow_loop_scan): Removed.
5376         (flow_loop_dump): Do not dump removed fields.
5377         (flow_loop_free): Do not free removed fields.
5378         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
5379         (loop_exit_edge_p): New function.
5380         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
5381         num_pre_header_edges, entry_edges, num_entries, exit_edges,
5382         num_exits, exits_doms.
5383         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
5384         LOOP_EDGES, LOOP_ALL): Removed.
5385         (flow_loop_scan): Declaration removed.
5386         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
5387         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
5388         flow_loops_find.
5389         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
5390         (if_convert): Call flow_loops_find and flow_loops_free
5391         when calling mark_loop_exit_edges.
5392         * cfgloopanal.c (mark_loop_exit_edges): Moved from
5393         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
5394         free_dominance_info calls.
5395         * loop-init.c (flow_loops_find): Ditto.
5396         * passes.c (rest_of_handle_branch_prob): Ditto.
5397         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
5398         * loop-unroll.c (analyze_insns_in_loop): Do not use
5399         EDGE_LOOP_EXIT.
5400         * predict.c (predict_loops): Do not call flow_loop_scan.
5401         Use get_loop_exit_edges.
5402         (tree_estimate_probability): Do not pass flags to flow_loops_find.
5403         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
5404         Do not use EDGE_LOOP_EXIT.
5405         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
5406         to bb_with_exit_edge_p.
5407         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
5408         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
5409         to bb_with_exit_edge_p.
5410         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
5411         EDGE_LOOP_EXIT.
5412         * tree-loop-linear.c (linear_transform_loops): Do not call
5413         flow_loop_scan.  Use loop->single_exit.
5414         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
5415         (vect_analyze_loop_form): Do not call flow_loop_scan.
5416         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
5417         loop->single_exit.
5418         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
5419         loop->single_exit.
5420         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
5421         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5422         slpeel_tree_duplicate_loop_to_edge_cfg,
5423         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
5424         Use loop_preheader_edge and loop->single_exit.  Do not call
5425         flow_loop_scan.
5426
5427 2005-03-01  Nick Clifton  <nickc@redhat.com>
5428
5429         * config/arm/arm.c (thumb_find_work_register): Check all of the
5430         argument registers to see if they are free, and a couple of
5431         special cases where the last argument register but can be proved
5432         to be available during the function's prologue.
5433         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
5434         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
5435         thumb_unexpanded_epilogue): Use unsigned long as the type for the
5436         register bit-mask.
5437         (thumb_compute_save_reg_mask): Likewise.  Also use
5438         thumb_find_work_register() to ensure that there is agreement about
5439         which work register is going to be used in the prologue.
5440         (thumb_output_function_prologue): Use unsigned long as the type
5441         for the register bit-mask.  Also delay pushing the link register if
5442         other high registers are going to be pushed.
5443         (thumb_compute_save_reg_mask, emit_multi_reg_push,
5444         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
5445         redundant prototypes.
5446
5447 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
5448
5449         PR target/19819
5450         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
5451         and after reload in REG+REG indexed addresses without REG_POINTER
5452         set in the base and not set in the index.
5453
5454 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5455
5456         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
5457         Don't undefine here.
5458         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
5459         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
5460         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5461         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
5462         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
5463         Delete.
5464         * config.gcc (sh*-*-linux*): Use config/linux.h.
5465
5466 2005-02-28  Dale Johannesen  <dalej@apple.com>
5467             Stan Shebs  <shebs@apple.com>
5468
5469         Rewrite of 64-bit Darwin structure-by-value pass/return.
5470         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
5471         intoffset, use_stack, named.
5472         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
5473         (rs6000_darwin64_record_arg_advance_flush):  New.
5474         (rs6000_darwin64_record_arg_advance_recurse): New.
5475         (rs6000_darwin64_record_arg_flush):  New.
5476         (rs6000_darwin64_record_arg_recurse):  New.
5477         (rs6000_darwin64_record_arg):  New.
5478         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
5479         (function_arg_boundary):  Handle 128-bit aligned structs.
5480         (function_arg_advance):  Rewrite darwin64 struct handling.
5481         (function_arg):  Call rs6000_darwin64_record_arg.
5482         (function_arg_partial_nregs):  Handle darwin64 structs.
5483         (rs6000_darwin64_function_value):  Remove.
5484         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
5485
5486 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5487
5488         PR tree-optimization/20216
5489         * tree-chrec.c (tree_fold_factorial): Delete.
5490         (tree_fold_binomial): Change argument list to take a return type
5491         and change the type of K to unsigned int.  Rewrite to avoid explicit
5492         evaluation of factorials, and (recursively) calling fold to perform
5493         compile-time arithmetic.  Return NULL on (internal) overflow.
5494         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
5495         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
5496         if any intermediate calculation overflows.
5497         (chrec_apply): Update call to chrec_evaluate.
5498
5499 2005-02-28  James E Wilson  <wilson@specifixinc.com>
5500
5501         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
5502
5503 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
5504
5505         PR c/20245
5506         * c-parser.c (c_parser_compound_statement): Return error_mark_node
5507         instead of NULL_TREE on error.
5508
5509 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
5510
5511         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
5512         (EASY_VECTOR_15_ADD_SELF): Remove.
5513         (num_insns_constant_wide): Not static.
5514         (validate_condition_mode): Not static.
5515         (toc_relative_expr_p): Not static.
5516         (legitimate_indirect_address_p): Not static.
5517         (macho_lo_sum_memory_operand): Not static.
5518         (invalid_e500_subreg): Not static.
5519         (easy_vector_same): Not static.
5520         (easy_vector_splat_const): Not static.
5521         (RS6000_SYMBOL_REF_TLS_P): Remove.
5522         (any_operand): Delete.
5523         (any_parallel_operand): Delete.
5524         (count_register_operand): Delete.
5525         (altivec_register_operand): Delete.
5526         (xer_operand): Delete.
5527         (s8bit_cint_operand): Delete.
5528         (short_cint_operand): Delete.
5529         (u_short_cint_operand): Delete.
5530         (non_short_cint_operand): Delete.
5531         (exact_log2_cint_operand): Delete.
5532         (gpc_reg_operand): Delete.
5533         (cc_reg_operand): Delete.
5534         (cc_reg_not_cr0_operand): Delete.
5535         (reg_or_short_operand): Delete.
5536         (reg_or_neg_short_operand): Delete.
5537         (reg_or_aligned_short_operand): Delete.
5538         (reg_or_u_short_operand): Delete.
5539         (reg_or_cint_operand): Delete.
5540         (reg_or_arith_cint_operand): Delete.
5541         (reg_or_add_cint64_operand): Delete.
5542         (reg_or_sub_cint64_operand): Delete.
5543         (reg_or_logical_cint_operand): Delete.
5544         (got_operand): Delete.
5545         (got_no_const_operand): Delete.
5546         (easy_fp_constant): Delete.
5547         (easy_vector_constant): Delete.
5548         (easy_vector_constant_add_self): Delete.
5549         (zero_constant): Delete.
5550         (zero_fp_constant): Delete.
5551         (volatile_mem_operand): Delete.
5552         (offsettable_mem_operand): Delete.
5553         (mem_or_easy_const_operand): Delete.
5554         (add_operand): Delete.
5555         (non_add_cint_operand): Delete.
5556         (logical_operand): Delete.
5557         (non_logical_cint_operand): Delete.
5558         (mask_operand): Delete.
5559         (mask_operand_wrap): Delete.
5560         (mask64_operand): Delete.
5561         (mask64_2_operand): Delete.
5562         (and64_operand): Delete.
5563         (and64_2_operand): Delete.
5564         (and_operand): Delete.
5565         (reg_or_mem_operand): Delete.
5566         (lwa_operand): Delete.
5567         (symbol_ref_operand): Delete.
5568         (call_operand): Delete.
5569         (current_file_function_operand): Delete.
5570         (input_operand): Delete.
5571         (rs6000_nonimmediate_operand): Delete.
5572         (rs6000_tls_symbol_ref): Delete.
5573         (save_world_operation): Delete.
5574         (restore_world_operation): Delete.
5575         (load_multiple_operation): Delete.
5576         (store_multiple_operation): Delete.
5577         (vrsave_operation): Delete.
5578         (mfcr_operation): Delete.
5579         (mtcrf_operation): Delete.
5580         (lmw_operation): Delete.
5581         (stmw_operation): Delete.
5582         (branch_comparison_operator): Delete.
5583         (branch_positive_comparison_operator): Delete.
5584         (scc_comparison_operator): Delete.
5585         (trap_comparison_operator): Delete.
5586         (boolean_operator): Delete.
5587         (boolean_or_operator): Delete.
5588         (min_max_operator): Delete.
5589         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
5590         (EASY_VECTOR_15): Moved to here.
5591         (EASY_VECTOR_15_ADD_SELF): Move to here.
5592         (PREDICATE_CODES): Delete.
5593         * config/rs6000/rs6000-protos.h: Delete predicate functions.
5594         Declare functions no longer static.
5595         * config/rs6000/predicates.md: New.
5596         * config/rs6000/rs6000.md: Include predicates.md
5597
5598 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
5599
5600         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
5601         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
5602         REG_ALWAYS_RETURN.
5603         * cfgrtl.c (need_fake_edge_p): Likewise.
5604         * combine.c (distribute_notes): Likewise.
5605         * emit-rtl.c (try_split): Likewise.
5606         * recog.c (peephole2_opimize): Likewise.
5607         * reg-notes.def (ALWAYS_RETURN): Remove.
5608         * rtl.h (LCT_ALWAYS_RETURN): Remove.
5609         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
5610         * tree.h (ECF_ALWAYS_RETURN): Remove.
5611
5612 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5613
5614         PR middle-end/19874
5615         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
5616         between different machine modes is never a "useless" conversion.
5617
5618 2005-02-28  Geert Bosch  <bosch@gnat.com>
5619
5620         PR ada/15977
5621         * doc/contrib.texi: List contributors for Ada front end
5622
5623 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
5624
5625         * simplify-rtx.c (simplify_unary_operation_1,
5626         simplify_const_unary_operation): New, extracted from...
5627         (simplify_unary_operation): ... this one.
5628         (simplify_binary_operation_1,
5629         simplify_const_binary_operation): New, extracted from...
5630         (simplify_binary_operation): ... this one.
5631         * rtl.h (simplify_const_unary_operation,
5632         simplify_const_binary_operation): Add prototypes.
5633
5634 2005-02-28  Julian Brown  <julian@codesourcery.com>
5635
5636         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
5637         building libjava and caused PR regression/20228.
5638
5639 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
5640
5641         PR bootstrap/17383
5642         * Makefile.in (host_subdir): New.
5643         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
5644         * configure: Regenerate.
5645
5646 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
5647
5648         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
5649         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
5650         installation directory first.
5651
5652 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
5653
5654         PR target/19065.
5655         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
5656         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
5657         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
5658         * config/cris/cris.md: Tweak comments referring to Q.
5659         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
5660         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
5661         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
5662         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
5663         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
5664         Insert spaces in constraints to align alternatives vertically for
5665         readability.
5666         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
5667         operand 1: "M".
5668
5669 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5670
5671         PR rtl-optimization/17728
5672         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
5673         operand 0 from general_operand to move_dest_operand.
5674
5675 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5676
5677         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
5678         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5679         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
5680         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
5681
5682 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
5683
5684         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
5685         * configure: Regenerate.
5686         * libada-mk.in: Remove CC; rename
5687         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
5688
5689 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
5690
5691         PR tree-opt/20188
5692         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
5693         for the lhs, also walk over the tree.  Likewise for rhs.
5694
5695 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
5696
5697         * tree-ssa-dom.c (simple_iv_increment_p): New function.
5698         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
5699         Do not propagate value of iv before increment over the increment.
5700
5701 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
5702
5703         * c-parser.c: New file.
5704         * c-parse.in: Remove.
5705         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
5706         Remove.
5707         (c-parser.o): Add dependencies.
5708         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
5709         maintainer-clean, TAGS): Update.
5710         * c-config-lang.in (gtfiles): Update.
5711         * gengtype-lex.l: Don't handle "@@".
5712         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
5713         objc_build_synchronized, objc_begin_try_stmt,
5714         objc_begin_catch_clause, objc_finish_catch_clause,
5715         objc_build_finally_clause, objc_finish_try_stmt): New.
5716         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
5717         type_seen_p.
5718         (c_parse_init): Update comment.
5719         * c-decl.c (c_init_decl_processing): Update comment.
5720         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
5721         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
5722         new c_declspecs members.
5723
5724 2005-02-25  Julian Brown  <julian@codesourcery.com>
5725
5726         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5727         from being used for symbols with vague linkage when
5728         HAVE_GAS_COMDAT_GROUP is true.
5729
5730 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5731
5732         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
5733
5734 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
5735
5736         PR target/19930
5737         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
5738         (LIBGCC2_HAS_DF_MODE): New.
5739         (LIBGCC2_HAS_XF_MODE): New.
5740         (LIBGCC2_HAS_TF_MODE): New.
5741         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5742         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5743         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5744         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5745         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5746         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5747         and add _fixtfdi, _fixunstfdi, _floatditf
5748         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5749         L_fixunstfdi, L_floatditf.
5750         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5751         (LIBGCC2_HAS_TF_MODE): Define.
5752
5753 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5754
5755         PR tree-optimization/20204
5756         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5757         REWRITE_THIS_STMT markers on PHI nodes.
5758         (rewrite_initialize_block): Likewise.
5759
5760 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5761
5762         * version.c (version_string): Update to 4.1.
5763
5764 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5765
5766         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5767         Clarify that the alternative way doesn't work in GNU C++.
5768
5769 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5770
5771         PR tree-optimization/19937
5772         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5773         to the type of the induction variable.
5774
5775 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5776
5777         PR rtl-optimization/20117
5778         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5779         the block including noncopyable insn.
5780
5781 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5782
5783         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5784         calls to find_reg_note.
5785
5786 2005-02-24  Richard Henderson  <rth@redhat.com>
5787
5788         PR tree-opt/20127
5789         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5790         the type.
5791
5792 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5793
5794         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5795         vector types if to use base reg for misaligned non-word ld/std.
5796
5797 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5798
5799         PR target/14619
5800         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5801         dwarf2 label manually and put it after, not before the prologue.
5802
5803 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5804
5805         PR target/19019
5806         * reload.c (operands_match_p): Only increment register number for
5807         SCALAR_INT_MODE_P modes in multiple hard registers.
5808
5809         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5810         Fix formatting.
5811
5812 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5813
5814         * ChangeLog.5: Fix log message typo(s).
5815         * ChangeLog.7: Likewise.
5816         * ChangeLog.tree-ssa: Likewise.
5817         * cfgexpand.c: Fix comment typo(s).
5818         * conflict.c: Likewise.
5819         * defaults.h: Likewise.
5820         * dwarf2out.c: Likewise.
5821         * gcse.c: Likewise.
5822         * ggc-page.c: Likewise.
5823         * tree-eh.c: Likewise.
5824         * tree-ssa-dom.c: Likewise.
5825
5826 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5827
5828         PR target/19019
5829         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5830         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5831         if SHARED is defined.
5832
5833         PR target/20196
5834         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5835         allow splitting only if operands 0 and 3 don't overlap.
5836
5837 2005-02-24  Richard Henderson  <rth@redhat.com>
5838
5839         PR middle-end/19953
5840         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5841         (fold_builtin_1): Call them.
5842         * fold-const.c (fold_complex_mult_parts): Split out from ...
5843         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5844         (fold_complex_div_parts, fold_complex_div): New.
5845         (fold): Use them.
5846         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5847
5848 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5849
5850         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5851         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5852
5853         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5854         (print_node): Likewise.
5855         Print TYPE_SIZES_GIMPLIFIED.
5856
5857 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5858
5859         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5860         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5861         operands as commutative in constraints.
5862
5863 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5864
5865         * tree-into-ssa.c: Re-organize internal functions.
5866
5867 2005-02-24  Richard Henderson  <rth@redhat.com>
5868
5869         PR middle-end/18902
5870         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5871         for c99.
5872         * common.opt (fcx-limited-range): New.
5873         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5874         * toplev.c (flag_complex_method): Initialize to 1.
5875         (process_options): Set flag_complex_method to 0 if
5876         flag_cx_limited_range.
5877         * doc/invoke.texi (-fcx-limited-range): New.
5878
5879 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5880
5881         * cse.c (delete_trivially_dead_insns): Speed up by using
5882         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5883         prev_real_insn.
5884
5885 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5886
5887         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5888         functions when -mid-shared-library is being used.
5889
5890 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5891
5892         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5893         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5894         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5895         * system.h: Poison LINK_LIBGCC_SPECIAL.
5896
5897 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5898
5899         * gengtype.c (note_insn_name): Make 1 element larger.
5900
5901 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5902
5903         PR target/20018
5904         PR rtl-optimization/20097
5905         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5906         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5907
5908 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5909
5910         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5911         * t-aix52 (SHLIB_INSTALL): Same.
5912
5913 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5914
5915         * genpreds.c: Update copyright.
5916
5917 2005-02-23  Michael Beach  <michaelb@ieee.org>
5918
5919         PR target/20159
5920         * config/sparc/t-elf (startup files): Assemble with CPP.
5921
5922 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5923
5924         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5925         (write_predicate_expr): Likewise.
5926
5927 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5928
5929         PR tree-optimization/20100
5930         PR tree-optimization/20115
5931         * tree-optimize.c (init_tree_optimization_passes): Remove
5932         pass_maybe_create_global_var.
5933         * tree-pass.h (pass_maybe_create_global_var): Remove.
5934         * tree-ssa-alias.c (aliases_computed_p): Declare.
5935         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5936         (count_calls_and_maybe_create_global_var): Remove.
5937         (pass_maybe_create_global_var): Remove.
5938         (init_alias_info): Do not declare aliases_computed_p.
5939         (maybe_create_global_var): If the function contains no
5940         call-clobbered variables and a mix of pure/const and regular
5941         function calls, create .GLOBAL_VAR.
5942         Mark all call-clobbered variables for renaming.
5943         (merge_pointed_to_info): Update comment.
5944         (add_pointed_to_var): Likewise.
5945         (is_escape_site): Likewise.
5946         Accept struct alias_info * instead of size_t *.
5947         Update all users.
5948         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5949         as necessary.
5950         * tree-ssa-operands.c (get_call_expr_operands): If
5951         ALIASES_COMPUTED_P is false, do not add call-clobbering
5952         operands.
5953         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5954         (delete_tree_ssa): Likewise.
5955
5956 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5957
5958         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5959         (do_compile): Do call it here.
5960
5961 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5962
5963         PR rtl-optimization/20017.
5964         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5965         rest_of_handle_cse2, rest_of_handle_gcse): Call
5966         delete_dead_jumptables immediately before calling cleanup_cfg.
5967
5968 2005-02-22  Devang Patel  <dpatel@apple.com>
5969
5970         PR 19952
5971         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5972         all labels
5973
5974 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5975
5976         * config/rs6000/aix.h (WINT_TYPE): Define.
5977
5978 2005-02-22  Stan Shebs  <shebs@apple.com>
5979
5980         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5981         natural alignment for 64-bit Darwin.
5982         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5983         on 64-bit Darwin.
5984         * doc/invoke.texi: Document this.
5985
5986 2005-02-22  DJ Delorie  <dj@redhat.com>
5987
5988         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5989         to make_[un]signed_type, not the mode itself.
5990
5991 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5992
5993         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5994         not available.  Use tail calls wherever possible.
5995         (make_edge): Call unchecked_make_edge to create an edge.
5996
5997         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5998         (coalesce_ssa_name): Don't check for
5999         SSANORM_USE_COALESCE_LIST.
6000         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
6001
6002 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
6003
6004         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
6005         (rewrite_into_ssa): ... here.
6006
6007 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
6008
6009         PR tree-optimization/19786
6010         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
6011         tag to another's may-alias bitmap when adding to the other's list.
6012
6013 2005-02-21  DJ Delorie  <dj@redhat.com>
6014
6015         * tree-ssa-loop-ivopts.c (computation_cost): Start register
6016         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
6017         registers in unsupported ways.
6018         * expmed.c (init_expmed): Likewise.
6019
6020 2005-02-21  Stan Cox  <scox@redhat.com>
6021
6022         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
6023
6024 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
6025
6026         * tree-cfg.c (fold_cond_expr_cond): New.
6027         (make_edges): Call fold_cond_expr_cond.
6028         (find_taken_edge): Accept nothing but INTEGER_CST.
6029         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
6030         and 1.
6031         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
6032
6033         * flow.c (delete_dead_jumptables): Speed up by scanning insns
6034         that do not belong to any basic block.
6035
6036 2005-02-21  Jeff Law  <law@redhat.com>
6037
6038         * cfganal.c (find_unreachable_blocks): Manually CSE load of
6039         e->dest.
6040
6041 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
6042
6043         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
6044         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
6045         Adjust their definitions.
6046         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
6047         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
6048
6049         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
6050         genautomata.c, langhooks.c, langhooks.h, system.h,
6051         config/arm/lib1funcs.asm: Update copyright.
6052
6053 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6054
6055         * dbxout.c (dbxout_function_end): Emit Lscope label always.
6056
6057 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
6058
6059         PR bootstrap/13770
6060         * doc/install.texi: Document --with-gc.
6061
6062 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
6063
6064         * simplify-rtx.c (simplify_unary_operation): Add a missing
6065         "break" statement.
6066
6067 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6068
6069         PR tree-optimization/18663
6070         * tree-ssa-dom.c (extract_range_from_cond): Return 0
6071         if the type has variable bounds.
6072
6073 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
6074
6075         * gcse.c: Remove an obsolete comment.
6076
6077         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
6078
6079 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
6080
6081         * doc/extend.texi (Function Attributes) <Attribute const>: The
6082         attribute "pure" is below this text, not above.
6083
6084 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6085
6086         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
6087         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
6088         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
6089
6090 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
6091
6092         PR 18785
6093         * langhooks.h (struct lang_hooks): Add to_target_charset.
6094         * langhooks.c (lhd_to_target_charset): New function.
6095         * langhooks-def.h: Declare lhd_to_target_charset.
6096         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
6097         (LANG_HOOKS_INITIALIZER): Update.
6098         * c-common.c (c_common_to_target_charset): New function.
6099         * c-common.h: Declare it.
6100         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
6101         c_common_to_target_charset.
6102
6103         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
6104         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
6105         Delete definitions.
6106         * system.h: Poison them.
6107         * doc/tm.texi: Don't discuss them.
6108         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
6109         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
6110         (pp_c_char): Do not attempt to generate letter escapes for
6111         newline, tab, etc.
6112         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
6113         * config/mips/mips.c (mips_output_ascii): Likewise.
6114
6115 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
6116
6117         PR tree-optimization/19951
6118         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
6119         is abnormal.
6120
6121 2005-02-19  Steven Bosscher  <stevenb@suse.de>
6122
6123         PR middle-end/19698
6124         * function.h (struct function): New field `max_loop_depth'.
6125         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
6126         (flow_loops_find): Reset the max loop depth count before finding loops.
6127         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
6128         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
6129         (calculate_global_regs_live): Make sure the loop will terminate
6130         when the initial sets are not empty.
6131
6132 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
6133
6134         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
6135         object inside.
6136         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
6137
6138 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
6139
6140         PR other/19525
6141         * doc/invoke.texi: Remove documentation of %M spec.
6142         * gcc.c: Likewise.
6143         (init_spec): Remove %M suffix from -lgcc_s.
6144         (do_spec_1): Remove 'M' case.
6145         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
6146         to put shared libraries in the multilib directory.  Remove the
6147         shlib_so_soname substitution variable.  Don't add a multilib encoding
6148         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
6149         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
6150         SHLIB_INSTALL as well as SHLIB_LINK.
6151         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
6152         (SHLIB_NAME): Delete.
6153         (SHLIB_DIR): New macro.
6154         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
6155         (SHLIB_INSTALL): Adjust accordingly.
6156         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
6157         * config/t-slibgcc-sld: Likewise.
6158         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
6159         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
6160         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
6161         in $(SHLIB_DIR).
6162         (SHLIBUNWIND_INSTALL): Adjust accordingly.
6163         * config/i386/t-nwld (SHLIB_SONAME): Delete.
6164         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
6165         Use @shlib_base_name@ instead of @shlib_so_name@.
6166         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
6167         and @shlib_base_name@.so in @multilib_dir@.
6168         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
6169         to the install path.
6170         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
6171         (SHLIB_LINK): Remove previous workaround.
6172         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
6173         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
6174         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
6175         the install path.
6176         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
6177         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
6178         (SHLIB_INSTALL): Adjust accordingly.
6179         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
6180         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
6181         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
6182         config/t-slibgcc-elf-ver.
6183
6184 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
6185             Jakub Jelinek  <jakub@redhat.com>
6186
6187         PR tree-optimization/19828
6188         * tree-ssa-loop-im.c: Add a TODO comment.
6189         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
6190         without side-effects.
6191
6192 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6193
6194         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
6195         call fold_convert.
6196
6197 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
6198
6199         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
6200         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
6201         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
6202         functions.
6203         (ia64_reorg): Delete fixup_errata call.
6204         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
6205         (TARGET_SWITCHES): Delete -mb-step entry.
6206
6207 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
6208
6209         PR c/20043
6210         * c-typeck.c (composite_type): Handle quals in transparent unions.
6211         (type_lists_compatible_p): Likewise.
6212
6213 2005-02-18  Stan Shebs  <shebs@apple.com>
6214
6215         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
6216         expressions in the .literal8 section.
6217
6218 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
6219
6220         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
6221
6222 2005-02-18  Roger Sayle  <roger@eyesopen.com>
6223
6224         * fold-const.c (constant_boolean_node): Always create values of the
6225         specified type, don't bother calling truthvalue_conversion.
6226
6227 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6228
6229         * except.c (output_function_exception_table): Call
6230         assemble_external_libcall (eh_personality_libfunc).
6231
6232 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6233
6234         PR target/19886
6235         * config/ia64/ia64.h (struct machine_function): Add state_num.
6236         * config/ia64/ia64.c (process_epilogue,
6237         process_for_unwind_directive): Use new unwind state numbers each
6238         time rather than state 1.
6239
6240 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
6241
6242         PR target/20054
6243         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
6244         before the "*llgt_didi" pattern.
6245
6246 2005-02-18  Jason Merrill  <jason@redhat.com>
6247
6248         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
6249
6250 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
6251
6252         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
6253         (div0): Use it in place of ARM_FUNC_ALIAS.
6254         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
6255
6256 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
6257
6258         PR middle-end/20030
6259         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
6260         access, the lower bound of the array type if it exists.
6261
6262 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
6263
6264         PR c++/20008
6265         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
6266         cases that are out-of-range for the index type.
6267
6268 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6269
6270         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
6271         (estimate_case_costs): Don't call convert.
6272         * expmed.c (expand_shift): Likewise.
6273         (make_tree): Call fold_convert instead of convert.
6274
6275 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6276
6277         PR c++/19813
6278         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
6279         that ref to be marked MEM_READONLY_P doesn't have base that needs
6280         constructing.
6281
6282 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6283
6284         * genautomata.c (output_get_cpu_unit_code_func,
6285         output_cpu_unit_reservation_p): Don't generate old-style function
6286         definitions.
6287
6288 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6289
6290         PR c++/20023
6291         PR tree-optimization/20009
6292         * convert.c (convert_to_integer): Revert 2005-02-16 change.
6293
6294         PR tree-optimization/18947
6295         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
6296         inline, remove all nodes that are inlined into the extern inline
6297         being redefined.
6298
6299 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6300
6301         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
6302         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
6303         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
6304         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
6305         Update copyright.
6306
6307 2005-02-17  Roger Sayle  <roger@eyesopen.com>
6308
6309         PR tree-optimization/19917
6310         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
6311         to be potentially trapping.
6312
6313 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6314
6315         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
6316
6317 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6318
6319         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
6320         tem becomes a local variable which is set to the value of the
6321         back end defined INITIAL_FRAME_ADDRESS macro.
6322         (expand_builtin_frame_address): Omit the base parameter to
6323         expand_builtin_return_addr.
6324         (expand_builtin_profile_func): Likewise.
6325         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
6326         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
6327         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
6328
6329 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
6330
6331         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
6332         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
6333         * config/frv/frv.c (frv_function_epilogue): Likewise.
6334
6335 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
6336
6337         * lambda-code (perfect_nestify): Remove mark/unmark
6338         for rewriting hack.
6339         * tree-loop-linear.c (linear_transform_loops): Add
6340         rewrite_into_ssa call so that ssa is correct for
6341         rewriting into loop closed.
6342
6343 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
6344
6345         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
6346         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
6347         BITMAP_FREE.
6348         * bt-load.c (btr_def_live_range, combine_btr_defs,
6349         migrate_btr_def, migrate_btr_defs): Likewise.
6350         * cfgcleanup.c (thread_jump): Likewise.
6351         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
6352         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
6353         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
6354         df_rd_local_compute, df_reg_info_compute): Likewise.
6355         * dominance.c (init_dom_info, free_dom_info): Likewise.
6356         * flow.c (init_propagate_block_info,
6357         free_propagate_block_info): Likewise.
6358         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
6359         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
6360         modify_reg_pav): Likewise.
6361         * loop-invariant.c (find_defs, find_invariant_insn,
6362         find_invariants, free_inv_motion_data): Likewise.
6363         * predict.c (tree_predict_by_opcode,
6364         estimate_bb_frequencies): Likewise.
6365         * stmt.c (expand_case): Likewise.
6366         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
6367         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
6368         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
6369         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
6370         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
6371         rewrite_ssa_into_ssa): Likewise.
6372         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6373         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
6374         analyze_edges_for_bb, perform_edge_inserts): Likewise.
6375         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
6376         * tree-sra.c (tree_sra): Likewise.
6377         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
6378         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6379         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
6380         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
6381         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
6382         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
6383         Likewise.
6384         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
6385         calculate_live_on_entry, calculate_live_on_exit,
6386         build_tree_conflict_graph): Likewise.
6387         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
6388         record_important_candidates, set_use_iv_cost, find_depends,
6389         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
6390         tree_ssa_iv_optimize_finalize): Likewise.
6391         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
6392         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
6393         tree_duplicate_loop_to_header_edge): Likewise.
6394         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
6395         * tree-ssa.c (verify_flow_insensitive_alias_info,
6396         verify_name_tags, verify_ssa, init_tree_ssa,
6397         delete_tree_ssa): Likewise.
6398         * tree-ssanames.c (marked_ssa_names, init_ssanames,
6399         fini_ssanames): Likewise.
6400         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
6401
6402 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
6403
6404         * config/rs6000/t-rtems: Completely reworked.
6405
6406 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6407
6408         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
6409
6410 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6411
6412         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
6413         POINTER_TYPE_P when checking that type is a pointer.
6414         (vect_get_memtag): Remove.
6415         (vect_address_analysis): Use POINTER_TYPE_P. Call
6416         vect_object_analysis with dummy parameter for memtag.
6417         (vect_object_analysis): Extract memtag (functionality that
6418         used to be in vect_get_memtag and moved here). Fix printings.
6419         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
6420         with correct parameters. Remove call to vect_get_memtag.
6421
6422 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
6423
6424         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
6425         (tree-vectorizer.o): Added missing dependencies.
6426
6427         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
6428         decleration.
6429         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
6430         declaration in tree-vectorizer.c, now has an extern declaration in
6431         tree-vectorizer.h).
6432         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6433         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6434         get_vectype_for_scalar_type, vect_is_simple_use,
6435         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6436         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
6437         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
6438         vectorizable_store, vectorizable_operation, vectorizable_assignment,
6439         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
6440         find_loop_location): Likewise.
6441
6442         * tree-vectorizer.c (langhooks.h): #include removed.
6443         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
6444         moved to tree-vectorized.h.
6445         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6446         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6447         get_vectype_for_scalar_type, vect_is_simple_use,
6448         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6449         vect_supportable_dr_alignment, new_loop_vec_info,
6450         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
6451         vect_set_verbosity_level, find_loop_location): Likewise.
6452
6453         (vect_analyze_loop): Function externalized. Declaration moved to
6454         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
6455         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
6456         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
6457         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
6458         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
6459         vect_enhance_data_refs_alignment, vect_analyze_operations,
6460         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
6461         vect_stmt_relevant_p, vect_get_loop_niters,
6462         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
6463         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
6464         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
6465         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
6466         vect_get_memtag): Likewise.
6467
6468         (vectorizable_load): Function externalized. Declaration moved to
6469         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
6470         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
6471         vect_transform_loop): Likewise.
6472         (vect_transform_stmt): Moved to tree-vect-transform.c.
6473         (vect_align_data_ref, vect_create_destination_var,
6474         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
6475         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
6476         vect_get_vec_def_for_operand, vect_init_vector,
6477         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
6478         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
6479         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
6480         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
6481         vect_do_peeling_for_loop_bound): Likewise.
6482
6483         * tree-vect-analyze.c: New file.
6484         * tree-vect-transform.c: New file.
6485
6486 2005-02-17  Jason Merrill  <jason@redhat.com>
6487
6488         PR mudflap/19319, c++/19317
6489         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
6490         slot explicit.
6491
6492 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
6493
6494         * doc/install.texi (Specific): Update link for Darwin-specific
6495         tool binary site.
6496
6497 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
6498
6499         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
6500         constant_boolean_node.
6501
6502 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
6503
6504         PR target/19019
6505         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
6506         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
6507
6508 2005-02-16  Richard Henderson  <rth@redhat.com>
6509
6510         PR 19920
6511         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
6512         with W_TYPE_SIZE.
6513         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
6514         replace uses with Wtype_MAXp1_F.
6515         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
6516         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
6517         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
6518         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
6519         and HAVE_TFMODE as appropriate.
6520         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
6521         (__floatdisf): Likewise.
6522         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
6523         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
6524         (Wtype_MAXp1_F): New.
6525         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
6526         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
6527
6528 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
6529
6530         * PR target/19162
6531         * arm.c (arm_apply_result_size): New function.
6532         * arm.h (APPLY_RESULT_SIZE): Define.
6533         * arm-protos.h (arm_apply_result_size): Add prototype.
6534         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
6535         (movxf): New expand.
6536         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
6537         (call_value_symbol): Remove predicate for operand 0.
6538         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
6539         (untyped_call): Rework to correclty return values for any type.
6540         (untyped_return): New expand.
6541         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
6542
6543 2005-02-16  Stan Shebs  <shebs@apple.com>
6544
6545         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
6546         * config/rs6000/t-darwin8: New, for 64-bit multilib.
6547
6548 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6549
6550         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
6551         configure settings on Solaris 7 and later.
6552
6553 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
6554
6555         PR tree-optimization/19865
6556         * tree-optimize.c (init_tree_optimization_passes): Run
6557         pass_may_alias after pass_sra.
6558
6559 2005-02-16  Richard Henderson  <rth@redhat.com>
6560             Stuart Hastings  <stuart@apple.com>
6561
6562         PR debug/19521
6563         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
6564         Do nothing if debug info suppressed for this function.
6565         (dbxout_begin_function): Early exit if debug info suppressed for
6566         this function.
6567
6568 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
6569
6570         PR target/20007
6571         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
6572         find_basic_blocks.
6573         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
6574
6575         PR tree-optimization/19967
6576         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
6577         expand_builtin_strchr, expand_builtin_strrchr): Take a new
6578         argument TYPE.  Adjust calls to fold_builtin_XXX.
6579         (expand_builtin, fold_builtin_1): Adjust calls to
6580         expand_builtin_XXX.
6581         (fold_builtin_strchr, fold_builtin_strpbrk,
6582         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
6583         result to a requested type TYPE.
6584
6585 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
6586
6587         PR middle-end/19857
6588         * fold-const.c (fold): Don't optimize (T)(x & cst) to
6589         (T)x & (T)cst if (T)cst overflows.
6590         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
6591         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
6592
6593 2005-02-15  Jeff Law  <law@redhat.com>
6594
6595         * gcse.c (blocks_with_calls): New bitmap.
6596         (alloc_gcse_mem): Allocate it.
6597         (free_gcse_mem): Free it.
6598         (clear_modifY_mem_tables): Clear it.
6599         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
6600         when we encounter CALL_INSNs.
6601         (compute_transp, case MEM): Handle blocks with calls separate
6602         from blocks without calls.  Use bitmap iterators rather than
6603         FOR_EACH_BB.
6604
6605 2005-02-15  Peter O'Gorman  <peter@pogma.com>
6606
6607         PR bootstrap/18810
6608         * mklibgcc.in (vis_hide): Use a temporary object file, not
6609         -o /dev/null.
6610
6611 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6612
6613         PR target/19924
6614         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
6615         access optimization.
6616
6617 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
6618             Alan Modra  <amodra@bigpond.net.au>
6619
6620         PR target/19019
6621         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
6622         (_xlqsub): Rename to __gcc_qsub.
6623         (_xlqmul): Rename to __gcc_qmul.
6624         (_xlqdiv): Rename to __gcc_qdiv.
6625         Provide versioned symbol aliases with old names.
6626         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
6627         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
6628         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
6629         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
6630         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
6631
6632 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6633
6634         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
6635         Fold ~(A - 1) and ~(A + -1) to -A.
6636
6637 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6638
6639         PR pch/14940
6640         PR target/19300
6641         * config/host-linux.c (linux_gt_pch_use_address): Copy from
6642         config/pa/pa-host.c:pa_gt_pch_use_address.
6643
6644 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
6645
6646         * tree-vn.c (get_value_handle): Make sure that given an
6647         is_gimple_min_invariant expression, we always return it.
6648
6649 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6650
6651         * passes.c (rest_of_handle_gcse): Fix a comment.
6652
6653 2005-02-15  Jeff Law  <law@redhat.com>
6654
6655         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
6656         bitmap.
6657         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
6658         (canon_list_insert, record_last_mem_set_info): Similarly.
6659         (clear_modify_mem_tables): Similarly.
6660
6661 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6662
6663         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
6664         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
6665         config/mips/mips.md, config/rs6000/aix.h,
6666         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
6667
6668 2005-02-15  Richard Henderson  <rth@redhat.com>
6669
6670         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
6671         call to be best_edge.
6672
6673 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6674
6675         * basic-block.h: Adjust the prototype for find_basic_blocks.
6676         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
6677         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
6678         find_basic_blocks.
6679
6680         * flow.c (recompute_reg_usage): Remove all arguments.
6681         * passes.c (rest_of_compilation): Adjust the call to
6682         recompute_reg_usage.
6683         * rtl.h: Adjust the prototype for recompute_reg_usage.
6684
6685 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
6686
6687         * tree-dump.c (dump_files): Update to reflect new member
6688         of dump_file_info.
6689         (dump_register): Add new argument.
6690         Set glob name.
6691         (dump_switch_p_1): Check against glob name if doglob was passed.
6692         (dump_switch_p): Check against regular first, then glob if
6693         we didn't have any hits on the dump name.
6694         * tree-optimize.c (register_one_dump_file):
6695         Pass in glob name as well.
6696         * tree-pass.h (struct dump_file_info): Add glob
6697         member.
6698
6699 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
6700
6701         PR preprocessor/16323
6702         * doc/invoke.texi: Document that -Wendif-labels is on by default.
6703
6704 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
6705
6706         PR target/19019
6707         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
6708         (trunctfdf2_internal1): New.
6709         (trunctfdf2_internal2): Renamed from trunctfdf2.
6710
6711 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
6712
6713         PR tree-optimization/19853
6714         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
6715
6716 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6717
6718         * passes.c (rest_of_handle_loop_optimize): Remove calls to
6719         delete_dead_jumptables and cleanup_cfg.
6720
6721 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
6722
6723         * reload.c (find_reloads): Swap address_reloaded flags when
6724         swapping commutative operands.
6725
6726 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
6727
6728         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
6729         Use standard_iv_increment_position for computing the bsi position
6730         for create_iv.
6731         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
6732         the bsi position.
6733
6734 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
6735
6736         PR target/17428
6737         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
6738         life range of hard registers.
6739         * value-prof.c (insn_prefetch_values_to_profile): Only
6740         scan normal insns.
6741
6742         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6743         profile in libcalls.
6744
6745 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6746
6747         * bitmap.h (bitmap_and_compl_into): Return bool.
6748         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6749
6750 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6751
6752         PR tree-optimization/19944
6753         * fold-const.c (fold): Re-add ABS_EXPR folding.
6754
6755 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6756
6757         PR target/19019
6758         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6759         {TARGET,MASK}_XL_COMPAT.
6760         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6761         MASK_XL_COMPAT.
6762         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6763         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6764         TARGET_XL_COMPAT.
6765         (rs6000_arg_partial_bytes): Same.
6766         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6767         and XL compatibility enabled.
6768         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6769         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6770         test to final condition.
6771         (cmptf_internal2): New.
6772         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6773         xl-compat.  Add TFmode information to description.
6774
6775 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6776
6777         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6778
6779 2005-02-13  Jason Merrill  <jason@redhat.com>
6780
6781         PR c++/16405
6782         * fold-const.c (fold_indirect_ref_1): Split out from...
6783         (build_fold_indirect_ref): Here.
6784         (fold_indirect_ref): New fn.
6785         * tree.h: Declare it.
6786         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6787         (gimplify_modify_expr_rhs): Likewise.
6788         (gimplify_expr): Likewise.
6789
6790 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6791
6792         PR tree-optimization/14303
6793         PR tree-optimization/15784
6794         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6795         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6796         ABS_EXPR<x> != 0 to x != 0.
6797
6798 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6799
6800         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6801         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6802         spelling conventions.
6803
6804         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6805         delete_trivially_dead_insns too many times.
6806
6807         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6808         tem and tem2.
6809
6810 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6811
6812         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6813         (vect_is_simple_iv_evolution): Remove redundant parameter
6814         and step check.
6815         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6816         without last parameter.
6817         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6818         Return pointer step. Call vect_is_simple_iv_evolution without
6819         last parameter. Check only that the step is multiple of size
6820         type. Remove stmt_vinfo updates.
6821         (vect_get_memtag_and_dr): Remove.
6822         (vect_get_memtag): New function.
6823         (vect_address_analysis): New function.
6824         (vect_object_analysis): New function.
6825         (vect_analyze_data_refs): Call vect_object_analysis and
6826         vect_get_memtag. Update stmt_vinfo fields.
6827
6828 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6829
6830         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6831         exist and are objects. Remove checks for pointer.
6832         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6833         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6834         (vect_create_data_ref_ptr): Likewise.
6835         (vect_base_addr_differ_p): New function.
6836         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6837         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6838         Don't set the DR_BASE_NAME field of data-ref.
6839         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6840
6841 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6842
6843         * optabs.h (enum optab_index): Add new OTI_ldexp.
6844         (ldexp_optab): Define corresponding macro.
6845         * optabs.c (init_optabs): Initialize ldexp_optab.
6846         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6847         patterns.
6848         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6849         using ldexp_optab.
6850         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6851         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6852
6853         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6854         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6855         intrinsics.
6856
6857 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6858
6859         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6860         to base_address.
6861         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6862         stmt_vec_info.
6863         (vect_get_base_and_offset): Always return an address.
6864         (vect_create_addr_base_for_vector_ref): Remove treatment for
6865         different data reference types.
6866         (vect_compute_data_ref_alignment): Rename base to base_address in
6867         stmt_vec_info. Get the object in order to force its alignment.
6868         (vect_get_memtag_and_dr): Rename base to base_address in
6869         stmt_vec_info. Extract the object for memtag analysis.
6870
6871 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6872
6873         PR regression/19898.
6874         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6875         changes cc_status, use apply modified_in_p to part of cc_status
6876         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6877         body.
6878
6879 2005-02-11  Richard Henderson  <rth@redhat.com>
6880
6881         * tree-complex.c (expand_complex_libcall): New.
6882         (expand_complex_multiplication): Use it for c99 compliance.
6883         (expand_complex_division): Likewise.
6884         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6885         (fold): Call them.
6886         * builtins.c (built_in_names): Remove const.
6887         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6888         builtins.
6889         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6890         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6891         (built_in_names): Remove const.
6892         * c-common.c (c_common_type_for_mode): Handle complex modes.
6893         * flags.h, toplev.c (flag_complex_method): Rename from
6894         flag_complex_divide_method.
6895         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6896         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6897         * libgcc2.h: Declare them.
6898         * libgcc-std.ver: Export them.
6899         * mklibgcc.in (lib2funcs): Build them.
6900
6901 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6902
6903         PR tree-optimization/19876
6904         Partially revert my change from 2005-01-14
6905         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6906         (compute_antic): ...and remove the loop here.
6907
6908 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6909
6910         PR middle-end/19858
6911         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6912         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6913
6914         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6915         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6916
6917 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6918
6919         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6920         offsets for the big-endian 32-bit case.
6921
6922 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6923
6924         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6925
6926 2005-02-11  Dale Johannesen  <dalej@apple.com>
6927
6928         * cselib.c (cselib_process_insn):  Clear out regs where
6929         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6930         * reload.c (find_equiv_reg): Ditto.
6931
6932 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6933
6934         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6935         with no elements.
6936
6937         * tree.c (build_function_type_list): Work correctly if there are
6938         no arguments.
6939
6940 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6941
6942         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6943         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6944         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6945         TARGET_ZARCH instead of TARGET_64BIT.
6946
6947 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6948
6949         * config/rs6000/t-rtems:
6950         (MULTILIB_OPTIONS): Remove mcpu=602.
6951         (MUTLILIB_DIRNAMES): Remove m602.
6952         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6953         Let mcpu=602 match mcpu=603.
6954         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6955
6956 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6957
6958         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6959         signal trampolines.
6960
6961 2005-02-10  David Daney  <ddaney@avtrex.com>
6962
6963         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6964         * config/i386/linux-unwind.h: Likewise.
6965         * config/ia64/linux-unwind.h: Likewise.
6966         * config/mips/linux-unwind.h: Likewise.
6967         * config/pa/linux-unwind.h: Likewise.
6968         * config/rs6000/linux-unwind.h: Likewise.
6969         * config/s390/linux-unwind.h: Likewise.
6970         * config/sh/linux-unwind.h: Likewise.
6971         * config/sparc/linux-unwind.h: Likewise.
6972
6973 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6974
6975         PR tree-optimization/17549
6976         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6977         TER to replace a DEF with its expression if the DEF and the
6978         rhs of the expression we replace into have the same root
6979         variable.
6980
6981 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6982
6983         * config/mips/mips.md: Fix the placement of the match_scratch in the
6984         lea64 peephole2.
6985
6986 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6987
6988         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6989         Fix comment typos.
6990
6991 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6992
6993         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6994         (strip_offset): Handle addresses.
6995         (add_address_candidates): Use strip_offset.
6996         (difference_cost): Reflect strip_offset change.
6997         (force_var_cost, difference_cost): Strip nops.
6998
6999 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
7000
7001         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
7002
7003         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
7004         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
7005         config/cris/cris-protos.h, config/cris/cris.c: Update
7006         copyright.
7007
7008 2005-02-10  Jeff Law  <law@redhat.com>
7009
7010         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
7011         (lookup_avail_expr): Similarly.
7012
7013 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
7014
7015         * builtins.c (fold_builtin_powi): New function.
7016         (fold_builtin_1): Call it.
7017
7018 2005-02-10  Steven Bosscher  <stevenb@suse.de>
7019
7020         PR documentation/19309
7021         * doc/cpp.texi: The __GNUC__ and related predefined macros
7022         are also defined for the "standalone" cpp.
7023         Some non-GCC compilers may also define __GNUC__.
7024
7025 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
7026
7027         PR c/19342
7028         * c-typeck.c (common_type): New routine.  Old common_type renamed
7029         to...
7030         (c_common_type): ...this.
7031         (build_conditional_expr, build_binary_op): Use c_common_type instead
7032         of common_type.
7033
7034 2005-02-10  Steven Bosscher  <stevenb@suse.de>
7035
7036         * doc/md.texi: Replace @samp{length} with @code{length}.
7037
7038 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7039
7040         PR tree-optimization/18687
7041         * tree-flow.h (find_loop_niter): Declare.
7042         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
7043         Try using scev even for loops with more than one exit.
7044         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
7045         (struct ivopts_data): Added niters field.
7046         (struct nfe_cache_elt): New.
7047         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
7048         functions.
7049         (tree_ssa_iv_optimize_init): Initialize niters cache.
7050         (determine_number_of_iterations): Removed.
7051         (find_induction_variables): Do not call determine_number_of_iterations.
7052         Access niters for single exit through niter_for_single_dom_exit.
7053         (add_iv_outer_candidates): Access niters for single exit through
7054         niter_for_single_dom_exit.
7055         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
7056         number_of_iterations_cond.
7057         (iv_period): New function.
7058         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
7059         (may_replace_final_value): Take data argument.  Use
7060         niter_for_single_dom_exit.
7061         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
7062         (rewrite_use_compare): Pass data to may_eliminate_iv.
7063         (rewrite_use_outer): Pass data to may_replace_final_value.
7064         (free_loop_data): Clean up the niters cache.
7065         (tree_ssa_iv_optimize_finalize): Free the niters cache.
7066         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
7067         * tree-ssa-loop-niter.c (find_loop_niter): New function.
7068         (find_loop_niter_by_eval): Use tree_int_cst_lt.
7069         (num_ending_zeros): Moved to tree.c.
7070         * tree.h (num_ending_zeros): Declare.
7071         * tree.c (num_ending_zeros): Moved from tree.c.
7072
7073 2005-02-09  Richard Henderson  <rth@redhat.com>
7074
7075         * builtins.c (DEF_BUILTIN): Add COND argument.
7076         * tree.h (DEF_BUILTIN): Likewise.
7077         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
7078         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
7079         match.
7080         (DEF_BUILTIN_STUB): New.
7081         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
7082         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
7083         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
7084         * c-common.c (DEF_BUILTIN): Add COND argument.
7085         * tree.c (local_define_builtin): New.
7086         (build_common_builtin_nodes): New.
7087
7088 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7089
7090         * fold-const.c (fold_strip_sign_ops): New function to simplify a
7091         floating point expression ignoring the sign of the result.
7092         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
7093         (fold) <MULT_EXPR>: Use it to simplify x*x.
7094         * tree.h (fold_strip_sign_ops): Prototype here.
7095         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
7096         argument.  Use fold_strip_sign_ops to simplify the first argument.
7097         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
7098         first argument when the second argument is an even integer
7099         constant, but only with -funsafe_math_optimizations.
7100         (fold_builtin_1): Update call to fold_builtin_copysign.
7101
7102 2005-02-09  Ian Lance Taylor  <ian@airs.com>
7103
7104         PR middle-end/19583
7105         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
7106         just check whether EH_FILTER_FAILURE falls through.
7107
7108 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
7109
7110         * gcc/haifa-sched.c (schedule_block): Make queued sched group
7111         insns return to ready list in the next turn.
7112
7113 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7114
7115         PR middle-end/19402
7116         * builtins.def: New __builtin_powi[lf].
7117         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
7118         (expand_builtin_powi): New function.
7119         (expand_builtin): Dispatch to expand_builtin_powi.
7120         * libgcc2.h: Add prototypes for __builtin_powi[lf].
7121         * libgcc2.c: Add __builtin_powi[lf] implementation.
7122         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
7123         * optabs.h: Add powi_optab.
7124         * optabs.c (init_optabs): Initialize powi_optab.
7125         * doc/extend.texi: Document __builtin_powi[lf].
7126
7127 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
7128
7129         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
7130         exists.
7131
7132 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7133
7134         PR middle-end/19854
7135         * fold-const.c (try_move_mult_to_index): Remove redundant
7136         type argument.  Create ADDR_EXPR with correct type.
7137         (fold): Update callers of try_move_mult_to_index.  Convert
7138         result to the appropriate type.
7139
7140 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7141
7142         PR target/19597
7143         * config/avr/avr.c (default_rtx_costs): Delete.
7144         (avr_operand_rtx_cost): New function.
7145         (avr_rtx_costs): Completely rewrite.
7146
7147 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
7148
7149         PR target/19806
7150         * config/cris/cris.c (in_code): New variable.
7151         (cris_output_addr_const): Now a static function, a wrapper for
7152         output_addr_const.
7153         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
7154         case from old cris_output_addr_const.
7155         (cris_asm_output_label_ref): Similar for LABEL_REF.
7156         (cris_output_addr_const_extra): Similar for UNSPEC.
7157         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
7158         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
7159         * config/cris/cris-protos.h (cris_output_addr_const): Remove
7160         declaration.
7161         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
7162         (cris_asm_output_label_ref): Declare.
7163
7164 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
7165
7166         PR preprocessor/19801
7167         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
7168         filenames that changed when libcpp was moved to the toplevel.
7169
7170 2005-02-07  Roger Sayle  <roger@eyesopen.com>
7171
7172         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7173         zero extensions of BImode operands.  Call lowpart_subreg instead
7174         of gen_lowpart_common and gen_lowpart_SUBREG.
7175
7176 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
7177
7178         PR ada/19489
7179         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
7180         * configure.ac: Set cc_for_cross_gnattools.
7181         * configure: Regenerate.
7182
7183 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
7184
7185         PR target/19803
7186         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
7187
7188 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7189
7190         PR debug/19327
7191         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
7192         of nested functions.
7193
7194 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
7195
7196         * doc/extend.texi: Document deprecated extensions allowing
7197         static floating-point members to have initializers and allowing
7198         floating-point literals in integral constant expressions.
7199
7200 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
7201
7202         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
7203         config/darwin7.h, config/mips/mips.c,
7204         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
7205         Update copyright.
7206
7207         * cse.c: Update comments.
7208
7209 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
7210
7211         PR middle-end/19775
7212         * builtins.c (fold_builtin_sqrt): Transform
7213         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
7214         pow(x,y*0.5).
7215
7216 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
7217             Dorit Naishlos  <dorit@il.ibm.com>
7218
7219         * doc/invoke.texi (ftree-vectorizer-verbose): New.
7220         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
7221         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
7222         was added.
7223         * tree.h (vect_set_verbosity_level): New extern function declaration
7224         added.
7225         * tree-vectorizer.h (verbosity_levels): New enum type.
7226         * tree-vectorizer.c (vect_debug_stats): Function removed.
7227         (vect_debug_details): Likewise.
7228         (vect_verbosity_level): Global variable was defined and initialized.
7229         (vect_dump): Global variable definition.
7230         (vect_print_dump_info): New function.
7231         (vect_set_dump_settings): New function.
7232         (vect_set_verbosity_level): New function.
7233         (vectorize_loops): Add call to vect_set_dump_settings.
7234
7235         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
7236         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7237         (slpeel_tree_peel_loop_to_edge): Likewise.
7238
7239         (vect_analyze_offset_expr): Call to vect_print_dump_info with
7240         appropriate verbosity level instead of call to vect_debug_details
7241         or vect_debug_stats.
7242         (vect_get_base_and_offset):
7243         (vect_create_addr_base_for_vector_ref):
7244         (get_vectype_for_scalar_type):
7245         (vect_create_data_ref_ptr):
7246         (vect_init_vector):
7247         (vect_get_vec_def_for_operand):
7248         (vect_finish_stmt_generation):
7249         (vectorizable_assignment):
7250         (vectorizable_operation):
7251         (vectorizable_store):
7252         (vectorizable_load):
7253         (vect_transform_stmt):
7254         (vect_update_ivs_after_vectorizer):
7255         (vect_do_peeling_for_loop_bound):
7256         (vect_update_inits_of_drs):
7257         (vect_do_peeling_for_alignment):
7258         (vect_transform_loop):
7259         (vect_is_simple_use):
7260         (vect_analyze_operations):
7261         (vect_is_simple_iv_evolution):
7262         (vect_analyze_scalar_cycles):
7263         (vect_analyze_data_ref_dependence):
7264         (vect_analyze_data_ref_dependences):
7265         (vect_compute_data_ref_alignment):
7266         (vect_enhance_data_refs_alignment):
7267         (vect_analyze_data_refs_alignment):
7268         (vect_analyze_data_ref_access):
7269         (vect_analyze_data_ref_accesses):
7270         (vect_analyze_pointer_ref_access):
7271         (vect_get_memtag_and_dr):
7272         (vect_analyze_data_refs):
7273         (vect_mark_relevant):
7274         (vect_stmt_relevant_p):
7275         (vect_mark_stmts_to_be_vectorized):
7276         (vect_can_advance_ivs_p):
7277         (vect_get_loop_niters):
7278         (vect_analyze_loop_form):
7279         (vect_analyze_loop):
7280         (vectorize_loops): Likewise.
7281
7282         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
7283         (vect_update_inits_of_drs):
7284         (vect_do_peeling_for_alignment):
7285         (vect_transform_loop):
7286         (vect_analyze_operations):
7287         (vect_analyze_scalar_cycles):
7288         (vect_analyze_data_ref_dependences):
7289         (vect_analyze_data_refs_alignment):
7290         (vect_analyze_data_ref_accesses):
7291         (vect_analyze_data_refs):
7292         (vect_mark_stmts_to_be_vectorized):
7293         (vect_get_loop_niters):
7294         (vect_analyze_loop_form):
7295         (vect_analyze_loop): Likewise.
7296         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
7297
7298 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
7299
7300         PR bootstrap/19796
7301         Revert:
7302         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7303         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7304         either -ffast-math or -funsafe-math-optimizations is in use.
7305
7306         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7307         * config/mips/irix-csr.c: New file.
7308         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7309         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7310         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7311         executables.
7312
7313 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
7314
7315         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
7316         redundant, incorrect definitions.
7317
7318         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
7319         expand.
7320         ("*tls_indirect_call"): New, reference hard regs directly.
7321         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
7322
7323 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7324
7325         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
7326         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
7327
7328 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7329
7330         PR rtl-optimization/19800
7331         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
7332         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
7333         gen_lowpart.
7334
7335 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7336
7337         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
7338
7339 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
7340
7341         PR other/17135
7342         * doc/invoke.texi: Correct documentation of -freorder-functions.
7343
7344 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7345
7346         PR other/14402
7347         * doc/invoke.texi: Don't mention gccbug.
7348
7349 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7350             Andrew Pinski  <pinskia@physics.uc.edu>
7351             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
7352
7353         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7354         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
7355         into just (zero_extract:SI FOO (const_int 1) BAR).
7356
7357 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7358
7359         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
7360         macro locally.  Don't give last revision date.  Use GCC version
7361         number from gcc-common.texi.
7362         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
7363         revision date.  Use GCC version number from gcc-common.texi.
7364         Describe being a library as current state rather than as 3.x
7365         history.
7366         * doc/gcc.texi: Remove last update date.
7367         * doc/gccint.texi: Likewise.  Update copyright dates.
7368         * doc/install.texi: Update copyright dates.
7369
7370 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7371
7372         PR other/7549
7373         * doc/invoke.texi: Mention for each option included in -Wall that
7374         it is included in -Wall.
7375         * doc/gcc.texi: Update copyright and last modification date.
7376
7377 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7378
7379         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
7380         unnecessary cast to original induction variable increments.
7381
7382 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7383
7384         PR tree-optimization/18219
7385         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
7386         in distributed form.
7387
7388 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
7389
7390         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
7391         Set bitpos and offset later in the function.  Do nothing if the
7392         target is a register and if the bitfield lies completely outside
7393         that register.
7394         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
7395         here.  Return an uninitialised register if the source value is stored
7396         in a register and the bitfield lies completely outside that register.
7397
7398 2005-02-06  Steven Bosscher  <stevenb@suse.de>
7399
7400         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
7401         not SET_DEST.
7402
7403 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
7404
7405         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
7406
7407 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
7408
7409         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
7410         * config/darwin8.h: New.
7411         * config/darwin7.h: Update comment.
7412
7413 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7414             Dorit Naishlos  <dorit@il.ibm.com>
7415
7416         * tree-vectorizer.h (LOC): New type.
7417         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
7418         (loop_line_number): New field in struct _loop_vec_info.
7419         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
7420
7421         * tree-vectorizer.c (input.h): Included.
7422         (find_loop_location): New function.
7423         (vect_debug_stats): Argument changed from loop to LOC. Computation of
7424         loop line number removed.
7425         (vect_debug_details): Likewise.
7426         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
7427
7428         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
7429         call to vect_debug_details/stats changed from loop to loop_loc.
7430         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7431         (slpeel_tree_peel_loop_to_edge): Likewise.
7432
7433         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
7434         changed from NULL to UNKNOWN_LOC.
7435         (vect_get_base_and_offset):
7436         (vect_create_addr_base_for_vector_ref):
7437         (get_vectype_for_scalar_type):
7438         (vect_create_data_ref_ptr):
7439         (vect_init_vector):
7440         (vect_get_vec_def_for_operand):
7441         (vect_finish_stmt_generation):
7442         (vectorizable_assignment):
7443         (vectorizable_operation):
7444         (vectorizable_store):
7445         (vectorizable_load):
7446         (vect_transform_stmt):
7447         (vect_update_ivs_after_vectorizer):
7448         (vect_do_peeling_for_loop_bound):
7449         (vect_do_peeling_for_alignment):
7450         (vect_transform_loop):
7451         (vect_is_simple_use):
7452         (vect_analyze_operations):
7453         (vect_is_simple_iv_evolution):
7454         (vect_analyze_scalar_cycles):
7455         (vect_analyze_data_ref_dependences):
7456         (vect_compute_data_ref_alignment):
7457         (vect_enhance_data_refs_alignment):
7458         (vect_analyze_data_ref_access):
7459         (vect_analyze_data_ref_accesses):
7460         (vect_analyze_pointer_ref_access):
7461         (vect_get_memtag_and_dr):
7462         (vect_analyze_data_refs):
7463         (vect_mark_relevant):
7464         (vect_stmt_relevant_p):
7465         (vect_mark_stmts_to_be_vectorized):
7466         (vect_can_advance_ivs_p):
7467         (vect_get_loop_niters):
7468         (vect_analyze_loop):
7469         (vectorize_loops): Likewise.
7470
7471         (vectorizable_load): Argument in call to vect_debug_details/stats
7472         changed from loop to LOOP_LOC (loop_vinfo).
7473         (vect_transform_loop):
7474         (vect_analyze_operations):
7475         (vect_analyze_scalar_cycles):
7476         (vect_analyze_data_ref_dependence):
7477         (vect_enhance_data_refs_alignment):
7478         (vect_analyze_data_ref_accesses):
7479         (vect_analyze_pointer_ref_access):
7480         (vect_analyze_data_refs):
7481         (vect_analyze_loop): Likewise.
7482
7483         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
7484         changed from loop to loop_loc.
7485
7486         (vect_enhance_data_refs_alignment): Removed unused variable loop.
7487
7488 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7489             Dorit Naishlos  <dorit@il.ibm.com>
7490
7491         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
7492         declaration added.
7493         (vect_analyze_data_ref_dependences): Likewise.
7494
7495         (vect_is_simple_use): Argument changed from loop structure to
7496         loop_vect_info structure.
7497         (vect_can_advance_ivs_p): Likewise.
7498         (vect_create_index_for_vector_ref): Likewise.
7499         (vect_update_ivs_after_vectorizer): Likewise.
7500         (new_stmt_vec_info): Likewise.
7501
7502         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
7503         changed from loop to loop_vinfo.
7504         (vect_create_data_ref_ptr): First argument in call to
7505         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
7506         (vectorizable_assignment): Second argument in call to vect_is_simple_use
7507         was changed from loop to loop_vinfo.
7508         (vectorizable_operation): Likewise.
7509         (vectorizable_store): Likewise.
7510         (vect_mark_stmts_to_be_vectorized): Likewise.
7511         (vect_do_peeling_for_loop_bound): First argument in call to
7512         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
7513         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
7514         was changed from loop to loop_vinfo.
7515         (vect_analyze_data_ref_dependences): Third argument in call to
7516         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
7517
7518         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
7519         (vect_create_data_ref_ptr): Likewise.
7520         (vect_init_vector): Likewise.
7521         (vect_get_vec_def_for_operand): Likewise.
7522         (vectorizable_assignment): Likewise.
7523         (vectorizable_operation): Likewise.
7524         (vectorizable_store): Likewise.
7525         (vectorizable_load): Likewise.
7526         (vect_update_ivs_after_vectorizer): Likewise.
7527         (vect_is_simple_use): Likewise.
7528         (vect_analyze_data_ref_dependence): Likewise.
7529         (vect_analyze_pointer_ref_access): Likewise.
7530         (vect_can_advance_ivs_p): Likewise.
7531
7532         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
7533         before _stmt_vec_info.
7534         (_stmt_vec_info): Loop field replaced by loop_vec_info.
7535         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
7536         (new_stmt_vec_info): Argument changed from loop structure to
7537         loop_vect_info structure
7538
7539         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
7540         (vect_analyze_offset_expr): Avoid 80 columns overflow.
7541         (vect_create_addr_base_for_vector_ref): Likewise.
7542         (vect_analyze_pointer_ref_access): Likewise.
7543
7544 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7545
7546         PR tree-opt/19768
7547         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
7548         phi flag if the phi is abnormal.
7549
7550 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7551
7552         PR tree-opt/19736
7553         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
7554         information for the new statement.
7555
7556 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7557
7558         PR driver/19117
7559         * gcc.c (main): Include the target in -v output.
7560
7561 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
7562
7563         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
7564         Do not drop the extend if we'd have to add a paradoxical subreg
7565         later.  Include optabs.h and insn-codes.h.
7566         * Makefile.in (combine.o): Depend on $(OPTABS_H).
7567
7568 2005-02-02  Roger Sayle  <roger@eyesopen.com>
7569
7570         PR middle-end/19405
7571         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
7572         * fold-const.c (const_binop): Avoid constant folding floating
7573         point operations in modes that use composite representations.
7574         * simplify-rtx.c (simplify_binary_operation): Likewise.
7575
7576 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
7577
7578         * config/rs6000/altivec.md (altivec_dst): Make the first operand
7579         a REG, not a MEM.
7580         (altivec_dstt): Likewise.
7581         (altivec_dstst): Likewise.
7582         (altivec_dststt): Likewise.
7583         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
7584         of first operand.
7585
7586 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7587
7588         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
7589         EXPR_LOCUS from orig_cond to the new cond_stmt.
7590         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
7591         the new vec_stmt.
7592
7593 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7594
7595         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
7596         standard_iv_increment_position. Remove call to bsi_next
7597         (no need to bump the iterator anymore).
7598         (vect_create_index_for_vector_ref): Call
7599         standard_iv_increment_position. Remove second function argument.
7600         (vect_finish_stmt_generation): Remove call to bsi_next
7601         (no need to bump the iterator anymore).
7602         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
7603         to vect_create_index_for_vector_ref.
7604
7605 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7606
7607         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
7608         phis are used out of the loop.
7609
7610 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7611
7612         PR c/17807
7613         * c-decl.c (undef_nested_function): New variable.
7614         (pop_scope): Diagnose undefined nested functions.
7615         (finish_function): Don't attempt cgraph processing or genericizing
7616         if current top-level function contained an undefined nested
7617         function.  Reset undef_nested_function at the end of a top-level
7618         function.
7619
7620 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
7621
7622         * tree.c (build_int_cst_type): Take sign of the value into account
7623         when deciding whether sign extend the value.
7624
7625 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7626
7627         PR c/18502
7628         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
7629         (cpp_options, cc1_options): Change %{std*&ansi} to
7630         %{std*&ansi&trigraphs}.
7631
7632 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7633
7634         * cse.c: Update comments.
7635
7636 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
7637
7638         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
7639         arguments go on the stack.  Do not put complex doubles in odd/even
7640         pairs.
7641
7642 2005-02-02  Steven Bosscher  <stevenb@suse.de>
7643
7644         * doc/invoke.texi: Update the options enabled at -O1, -O2,
7645         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
7646         -ftree-pre, and -fthread-jumps.
7647
7648 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
7649
7650         PR tree-optimization/19578
7651         * tree-flow.h (modified_noreturn_calls): Declare.
7652         (noreturn_call_p): Declare.
7653         * tree-flow-inline.h (noreturn_call_p): New function.
7654         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
7655         * tree-cfg.c (modified_noreturn_calls): New variable.
7656         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
7657         that contain a mid-block noreturn call.
7658         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
7659
7660 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7661
7662         * df.c (df_def_record_1, df_uses_record): Don't use
7663         DF_FOR_REGALLOC.
7664         * df.h (DF_FOR_REGALLOC): Remove.
7665
7666 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7667
7668         PR c/19435
7669         * c-typeck.c (really_start_incremental_init): Reset
7670         constructor_max_index for arrays of incomplete type.
7671
7672 2005-02-02  Jeff Law  <law@redhat.com>
7673
7674         * gcse.c (struct reg_set): Store the block index where the register
7675         was set rather than the setting insn.
7676         (record_one_set, compute_transp): Corresponding changes.
7677         (pre_insert_copy_insn): Do not call replace_one_set.
7678         (replace_one_set): Remove.
7679
7680 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7681
7682         PR other/15514
7683         * doc/gcov.texi: Fix typo.
7684
7685 2005-02-01  Richard Henderson  <rth@redhat.com
7686
7687         PR target/19680
7688         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
7689         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
7690         type to bool.
7691         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
7692         * config/i386/i386-protos.h: Update.
7693
7694 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7695
7696         PR tree-optimization/19217
7697         * tree-cfg.c (verify_expr): Use the data field to see if TP was
7698         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
7699         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
7700         that it is walking a PHI node.
7701
7702 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
7703
7704         * doc/extend.texi (Nested Functions): Update.
7705
7706 2005-02-01  Richard Henderson  <rth@redhat.com>
7707
7708         PR 19696
7709         * optabs.c (expand_copysign_absneg): Export.
7710         * optabs.h (expand_copysign_absneg): Declare.
7711         * config/rs6000/rs6000.md (copysigntf3): New.
7712
7713 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7714
7715         PR tree-optimization/19633
7716         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
7717         * tree-ssa-alias.c (init_alias_info): Initialize.
7718         (merge_pointed_to_info): Set.
7719         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
7720         (dump_points_to_info_for): Show value of pt_null.
7721         (struct count_ptr_d): Declare.
7722         (find_ptr_dereference): Remove.
7723         (ptr_is_dereferenced_by): Remove.
7724         (count_ptr_derefs): New local function.
7725         (count_uses_and_derefs): New local function.
7726         (compute_points_to_and_addr_escape): Call it.  If the number
7727         of dereferences is greater than zero, mark the pointer as
7728         dereferenced.  If there are fewer dereferences than uses of
7729         the pointer, the pointer's value escapes.
7730
7731 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7732
7733         PR tree-optimization/19670
7734         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
7735         here...
7736         (verify_use): ... set it here, instead.
7737
7738 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
7739
7740         * doc/sourcebuild.texi (Test directives): Fix formatting.
7741
7742         * doc/sourcebuild.texi (Test directives): Describe selector
7743         expressions.
7744
7745 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7746
7747         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7748         specific 64-bit CPUs.
7749
7750 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7751
7752         PR target/16201
7753         * arm.c (arm_eliminable_register): New function.
7754         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7755         HOST_WIDE_INT for address offsets.
7756         * arm-protos.h (arm_eliminable_register): Add prototype.
7757
7758 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7759
7760         PR optimization/15242
7761         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7762         * basic-block.h (duplicate_computed_gotos): Add prototype.
7763         * bb-reorder.c (duplicate_computed_gotos): New function to
7764         duplicate sufficiently small blocks ending in a computed jump.
7765         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7766         if not optimizing for size.
7767         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7768         never do tail merging for blocks ending in a computed jump.
7769         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7770
7771 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7772
7773         Patch from Richard Sandiford <rsandifo@redhat.com>
7774         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7775         from inheriting a subreg equivalence with a non-spill register.
7776
7777         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7778
7779 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7780
7781         * config/frv/frv.c (movcc_fp_destination_operand): New.
7782         (gpr_or_memory_operand): Fix typo in comment.
7783         (gpr_or_memory_operand_with_scratch): New.
7784         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7785         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7786         movcc_fp_destination_operand.
7787         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7788         Legitimize memory addresses using a scratch register.
7789
7790 2005-01-31  Jeff Law  <law@redhat.com>
7791
7792         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7793         bitmap a sparse bitmap instead of a simple bitmap.
7794         (mark_def_sites_initialize_block):  Corresponding changes.
7795         (ssa_mark_def_sites_initialize_block): Likewise.
7796         (ssa_mark_phi_uses): Likewise.
7797         (mark_def_site, ssa_mark_def_sites): Likewise.
7798         (mark_def_site_blocks): Likewise.
7799         (rewrite_ssa_into_ssa): Likewise.
7800
7801         * tree-ssa-dom.c (record_cond): Pass correct variable type
7802         for last argument to htab_find_slot_with_hash.
7803
7804         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7805         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7806
7807 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7808
7809         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7810         1_mmalua.
7811
7812 2005-02-01  Eric Christopher  <echristo@redhat.com>
7813
7814         * config/mips/mips.c (override_options): Warn if -mint64
7815         is used.
7816         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7817         deprecated.
7818
7819 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7820
7821         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7822         timestamp.
7823         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7824         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7825         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7826         (cached_regno): Initialize to INVALID_REGNUM.
7827         (cse_reg_info_table_size,
7828         cse_reg_info_table_first_uninitialized,
7829         cse_reg_info_timestamp): New.
7830         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7831         get_cse_reg_info.
7832         (init_cse_reg_info, get_cse_reg_info_1): New.
7833         (get_cse_reg_info): Cache the last look-up.
7834         (new_basic_block): Update the code to clear mappings from
7835         registers to cse_reg_info entries.
7836         (cse_main): Call init_cse_reg_info.
7837
7838         * cse.c (get_cse_reg_info): Update a comment.
7839
7840 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7841
7842         PR c/19333
7843         * c-decl.c (start_decl): Do not warn about arrays of elements with
7844         an incomplete type here.
7845         (grokdeclarator): Do it here by making a pedwarn an error.
7846         * c-typeck.c (push_init_level): If there were previous errors with
7847         the constructor type, do not warn about braces for initializers.
7848         (process_init_element): Likewise for excess initializer elements.
7849
7850 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7851
7852         * cse.c (delete_trivially_dead_insn): Don't iterate.
7853
7854 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7855
7856         * config/rs6000/rs6000.md (copysignsf3): New expand.
7857         (copysigndf3): Likewise.
7858
7859 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7860
7861         * recog.c (constrain_operands): Only look for earlyclobber operand
7862         conflicts if an '&' constraint was seen.
7863
7864 2005-01-31  Marc Espie <espie@openbsd.org>
7865
7866         * config.gcc: Don't include embedded systems fragment, switches default
7867         debugging format to ELF.
7868         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7869         longer pick it up there.
7870
7871 2005-01-31  Dale Johannesen  <dalej@apple.com>
7872
7873         * doc/extend.texi (nested functions): Fix linkage description.
7874         Clarify that static is not allowed.
7875
7876 2005-01-31  Dale Johannesen  <dalej@apple.com>
7877
7878         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7879         (movdf_low_di):  Make work.
7880
7881 2005-01-31  Dale Johannesen  <dalej@apple.com>
7882
7883         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7884         Make work for 64 bit.
7885
7886 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7887             Dale Johannesen  <dalej@apple.com>
7888
7889         PR middle-end/19650
7890         * fold-const.c (fold_binary_op_with_conditional_arg):
7891         Make types match original operands, before STRIP_NOPS.
7892
7893 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7894
7895         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7896         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7897         (struct gcc_sigcontext): Delete.  Merge contents to..
7898         (struct gcc_ucontext): ..here.
7899         (get_sigcontext): Delete.
7900         (get_regs): New function, like get_sigcontext but return regs ptr.
7901         64-bit version finds regs from r1 to support vdso.
7902         (ppc_linux_aux_vector): New function.
7903         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7904         and vector regs.
7905
7906 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7907
7908         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7909         sizetype.
7910         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7911         redundant fold. Fix misalignment for MINUS_EXPR.
7912         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7913         (vect_analyze_pointer_ref_access): Likewise.
7914         (vect_get_memtag_and_dr): Likewise.
7915
7916 2005-01-31  Richard Henderson  <rth@redhat.com>
7917
7918         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7919         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7920         absnegdf2_i387, absnegxf2_i387): Likewise.
7921
7922 2005-01-31  Richard Henderson  <rth@redhat.com>
7923
7924         PR 19696
7925         * optabs.c (expand_copysign_absneg): New.
7926         (expand_copysign_bit): Split out from ...
7927         (expand_copysign): ... here.  Use expand_copysign_absneg.
7928
7929 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7930
7931         PR middle-end/19697
7932         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7933         constant as the second operand and a register as the third.
7934
7935 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7936
7937         PR target/19704
7938         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7939         that dllimport'd functions do not use all call-clobbered registers
7940         to pass parameters.
7941
7942 2005-01-30  Richard Henderson  <rth@redhat.com>
7943
7944         PR 19696
7945         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7946         expand_abs_nojump and generalize.  Use operand_subword and
7947         emit_no_conflict_block.  Support large modes.
7948         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7949         back to maximum.
7950         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7951         negation to subtraction.
7952         (expand_copysign): Check that the format has signed zeros.
7953         Use operand_subword and emit_no_conflict_block.  Support large modes.
7954
7955 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7956
7957         Fix PR tree-optimization/19624
7958
7959         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7960         * tree-ssa-pre.c: Add cfgloop.h.
7961         Update comment.
7962         (pre_stats): New member, constified.
7963         (inserted_exprs): New static variable.
7964         (NECESSARY): New macro.
7965         (create_expression_by_pieces): Fold the expression, and
7966         mark it as defaulting to not necessary. Also put in
7967         inserted_exprs.
7968         (fully_constant_expression): New function.
7969         (insert_into_preds_of_block): Modify to not insert phis when we
7970         are playing with induction variables.
7971         Push phis onto the inserted_exprs vector, and mark them as not
7972         necessary by default.
7973         (insert_aux): Call fully_constant_expression on eprime.
7974         If all edges produce the same value, mark it constant.
7975         (mark_operand_necessary): New function.
7976         (remove_dead_inserted_code): New function.
7977         (init_pre): Init loop optimizer to get loop info.
7978         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7979         (execute_pre): Commit edge inserts, then remove dead code.
7980
7981 2005-01-30  Richard Henderson  <rth@redhat.com>
7982
7983         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7984         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7985
7986 2005-01-30  Richard Henderson  <rth@redhat.com>
7987
7988         PR target/19700
7989         * config/i386/i386.c (ix86_expand_copysign): New.
7990         (ix86_split_copysign_const): New.
7991         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7992         rearrange op1/nmask operands.
7993         * config/i386/i386-protos.h: Update.
7994         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7995         (copysigndf3): Likewise.
7996         (copysignsf3_const, copysigndf3_const): New.
7997         (copysignsf3_var): Rename from copysignsf3, split out splitter
7998         and fix split predicate for X constraint.
7999         (copysigndf3_var): Similarly.
8000
8001 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
8002
8003         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
8004         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
8005         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
8006
8007 2005-01-29  Richard Henderson  <rth@redhat.com>
8008
8009         PR target/19690
8010         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
8011         of # and * in constraints.
8012
8013 2005-01-29  Richard Henderson  <rth@redhat.com>
8014
8015         PR middle-end/19689
8016         * expr.c (store_field): Don't strip sub-mode cast when the input
8017         data is even smaller.
8018
8019 2005-01-29  Richard Henderson  <rth@redhat.com>
8020
8021         PR middle-end/19687
8022         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
8023         union being empty.
8024
8025 2005-01-29  Richard Henderson  <rth@redhat.com>
8026
8027         * combine.c (make_field_assignment): Fix argument order
8028         to gen_int_mode.
8029
8030 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
8031
8032         PR tree-optimization/15791
8033         * fold-const.c (extract_array_ref): New function.
8034         (fold): Fold comparisons between &a[i] and &a[j] or
8035         semantically equivalent trees.
8036
8037 2005-01-29  Jeff Law  <law@redhat.com>
8038
8039         * gcse.c (insert_expr_in_table): Revamp handling of available
8040         and anticipatable occurrence lists to avoid unnecessary list
8041         walking.
8042         (insert_set_in_table): Similarly.
8043
8044 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
8045
8046         * c-common.c (fix_string_type): Just use c_build_qualified_type to
8047         build string type.
8048         (c_build_qualified_type): Build qualified array types with
8049         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
8050         * c-decl.c (c_make_fname_decl): Build unqualified array type
8051         before qualified type.
8052         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
8053         type is qualified, not just if type itself is.  Don't apply
8054         qualifiers to array type when declarator is processed.  Apply
8055         qualifiers to field type whether or not it is an array type.
8056         Don't handle array types specially for applying qualifiers to
8057         variables.
8058         * c-typeck.c (composite_type): Build unqualified element type and
8059         array type when forming composite of array types.
8060         (common_pointer_type, comptypes, comp_target_types,
8061         type_lists_compatible_p, build_indirect_ref, build_array_ref,
8062         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
8063         types.
8064         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
8065         (args2) in variables a1 and a2.
8066
8067 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
8068
8069         * cse.c (n_elements_made, max_elements_made): Remove.
8070         (insert): Don't touch n_elements_made.
8071         (cse_main): Don't touch n_elements_made or max_elements_made.
8072
8073 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
8074
8075         PR target/15384
8076         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
8077         configuration part of dp-bit.c to be lost.
8078
8079 2005-01-28  Roger Sayle  <roger@eyesopen.com>
8080
8081         * expmed.c (expand_mult_highpart_optab): When attempting to use
8082         a non-widening multiplication in a wider mode, the operands need
8083         to be converted (zero or sign extended) to that mode.
8084
8085 2005-01-28  Ian Lance Taylor  <ian@airs.com>
8086
8087         PR middle-end/16558
8088         PR middle-end/19583
8089         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
8090         through if both operands fall through.
8091
8092 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8093
8094         * cse.c (fold_rtx) <PC>: Don't optimize.
8095
8096 2005-01-28  Jeff Law  <law@redhat.com>
8097
8098         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
8099         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
8100
8101 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8102
8103         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
8104         cse_reg_info_used_list_end): Remove.
8105         (cse_reg_info_list, cse_reg_info_list_free): New.
8106         (get_cse_reg_info): When allocating an instance of
8107         cse_reg_info, add it to the beginning of the cse_reg_info_list
8108         list.  Remove code to maintain cse_reg_info_used_list.
8109         (new_basic_block): Reset the free list to the beginning of
8110         cse_reg_info_list.
8111
8112 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
8113
8114         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
8115         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
8116         (frv_expand_mdpackh_builtin): New function.
8117         (frv_expand_builtin): Use it to expand __MDPACKH.
8118         * doc/extend.texi (__MDPACKH): Update documentation.
8119
8120 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
8121
8122         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
8123         SSE_FLOAT_MODE_P for use_sse computation.
8124
8125 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
8126
8127         PR target/19663
8128         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
8129
8130 2005-01-27  Richard Henderson  <rth@redhat.com>
8131
8132         * builtins.c (expand_builtin_copysign): New.
8133         (expand_builtin): Call it.
8134         * genopinit.c (optabs): Add copysign_optab.
8135         * optabs.c (init_optabs): Initialize it.
8136         (expand_copysign): New.
8137         * optabs.h (OTI_copysign, copysign_optab): New.
8138         (expand_copysign): Declare.
8139
8140         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
8141         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
8142
8143         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
8144         (ix86_expand_fp_absneg_operator): ... here.
8145         (ix86_split_copysign): New.
8146         * config/i386/i386-protos.h: Update.
8147         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
8148         (copysignsf3, copysigndf3): New.
8149
8150         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
8151         (copysignsf3, ncopysignsf3): New.
8152         (copysigndf3, ncopysigndf3): New.
8153         (copysignxf3, ncopysignxf3): New.
8154         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
8155
8156 2005-01-27  Arend Bayer  <arend.bayer@web.de>
8157             Kazu Hirata  <kazu@cs.umass.edu>
8158
8159         * cse.c: (find_best_addr): Don't call copy_rtx before calling
8160         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
8161         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
8162         NULL_RTX.
8163
8164 2005-01-27  Jeff Law  <law@redhat.com>
8165
8166         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
8167         definitions of SSA_NAMEs which are not being rewritten.
8168         (rewrite_ssa_into_ssa): Only initialize the current definition
8169         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
8170         If checking is enabled, assert that SSA_NAME_AUX is clear for all
8171         SSA_NAMEs before returning.
8172
8173 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
8174
8175         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
8176         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
8177         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
8178         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
8179         config/mips/iris6.h, config/sh/sh.c: Update copyright.
8180
8181 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8182
8183         PR middle-end/17278
8184         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
8185         higher to -O2 and higher.  Likewise for tree PRE.
8186         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
8187         and better.
8188
8189 2005-01-27  Ian Lance Taylor  <ian@airs.com>
8190
8191         PR middle-end/19583
8192         * gimple-low.c (try_catch_may_fallthru): New static function.
8193         (block_may_fallthru): Handle TRY_CATCH_EXPR.
8194         * tree-inline.c (expand_call_inline): Don't warn about reaching
8195         the end of a non-void function being inlined if the function uses
8196         a return slot.
8197
8198 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
8199
8200         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
8201
8202         PR c/18946
8203         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
8204         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
8205         (implicitly_declare): Handle error_mark_node.
8206
8207 2005-01-27  Richard Henderson  <rth@redhat.com>
8208
8209         PR tree-opt/14329
8210         * tree.h (struct tree_decl): Add debug_expr_is_from.
8211         (DECL_DEBUG_EXPR_IS_FROM): New.
8212         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
8213         * dwarf2out.c (dwarf2out_var_location): Update to match.
8214         * tree-outof-ssa.c (create_temp): Likewise.
8215         * var-tracking.c (track_expr_p): Likewise.
8216         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
8217         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
8218         * toplev.c (default_tree_printer): Likewise.
8219
8220 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
8221
8222         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
8223         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
8224
8225 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8226
8227         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
8228         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
8229         ASM_CLOBBERS): Add tree checks.
8230
8231         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
8232         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
8233         * c-common.def (SWITCH_STMT): Update to match.
8234         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
8235         macros instead of SWITCH_EXPR ones.
8236         * c-dump.c (c_dump_tree): Likewise.
8237         * c-gimplify.c (gimplify_switch_stmt): Likewise.
8238         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
8239
8240         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
8241
8242 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
8243
8244         * unwind-dw2.c (execute_stack_op): Add missing cases for
8245         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
8246
8247 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
8248
8249         * config.gcc (Obsolete configurations): Remove 'dummy', add
8250         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
8251         sparc-*-openbsd*.
8252
8253 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
8254
8255         PR tree-optimization/19633
8256         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
8257         CALL_EXPRs.
8258         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
8259         are no call-clobbered variables.
8260         * tree-outof-ssa.c (check_replaceable): Return false for calls
8261         with side-effects.
8262
8263 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
8264
8265         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
8266         even for variables with NULL DECL_INITIAL.
8267
8268 2005-01-26  Stuart Hastings  <stuart@apple.com>
8269
8270         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
8271
8272 2005-01-26  Richard Henderson  <rth@redhat.com>
8273
8274         PR middle-end/18008
8275         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8276         field's type.
8277         * expr.c (store_field): Strip conversions to odd-bit-sized types
8278         if the destination field width matches.
8279
8280 2005-01-26  Richard Henderson  <rth@redhat.com>
8281
8282         * c-decl.c, expmed.c, expr.c: Revert last change.
8283
8284 2005-01-26  Richard Henderson  <rth@redhat.com>
8285
8286         PR middle-end/18008
8287         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8288         field's type.
8289         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
8290         if we don't need the bits above those present in the current mode.
8291         * expr.c (store_field): Strip conversions to odd-bit-sized types
8292         if the destination field width matches.
8293
8294 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8295
8296         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8297         either -ffast-math or -funsafe-math-optimizations is in use.
8298
8299 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8300
8301         PR target/19293
8302         PR target/19329
8303         * config/avr/avr.c (notice_update_cc): Only set condition code for
8304         ashrqi3 if shift count > 0.
8305         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
8306         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
8307         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
8308         count <= 0 as a no-op, and shift count >= width by copying zero
8309         or sign bit to all bits of the result.
8310         * config/avr/avr.md (all shifts): Add alternatives for zero shift
8311         count, with attribute "length" set to 0 and "cc" set to "none".
8312
8313 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8314
8315         * doc/invoke.texi: Document -mTLS.
8316
8317         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
8318         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
8319         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
8320         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
8321         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
8322         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
8323         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
8324         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
8325
8326         * configure.ac: Check for a TLS capable gas.
8327
8328         * configure: Regenerate.
8329
8330 2005-01-26  Richard Henderson  <rth@redhat.com>
8331
8332         PR middle-end/18008
8333         * combine.c (make_field_assignment): Simplify store to zero_extract
8334         from a source with an overlapping mask.
8335
8336 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8337
8338         2004-11-11  Eric Christopher  <echristo@redhat.com>
8339
8340         * config/frv/frv.md: Add fr400_integer automaton. Don't
8341         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
8342         to TYPE_MACC.
8343
8344 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8345
8346         PR middle-end/16585
8347         * cfgbuild.c (make_edges): Do not clear or set
8348         current_function_has_computed_jump.
8349         * function.h (struct function): Remove the has_computed_jump field.
8350         (current_function_has_computed_jump): Do not define.
8351         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
8352         in a computed jump.  Ignore current_function_has_computed_jump.
8353
8354 2005-01-26  Richard Henderson  <rth@redhat.com>
8355
8356         PR middle-end/19515
8357         * expr.c (categorize_ctor_elements): New argument p_must_clear.
8358         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
8359         fully initialized.
8360         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
8361         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
8362         objects into static storage if they have more than one non-zero value.
8363         * tree.h (categorize_ctor_elements): Update decl.
8364
8365 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8366
8367         PR middle-end/19616
8368         * tree.h (CALL_EXPR_TAILCALL): Add comment.
8369         * calls.c (check_sibcall_argument_overlap_1): Revert the change
8370         to this function from 2004-07-10.
8371         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
8372         the current function for tail call optimizations if the address
8373         of one of it its arguments is taken.
8374
8375 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
8376
8377         * cse.c (fold_rtx): Call equiv_constant only when necessary.
8378
8379 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8380
8381         * function.c (expand_function_end): If current_function_calls_alloca,
8382         emit stack restore in a place that is reached when the function falls
8383         through at the end.
8384
8385 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
8386
8387         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
8388         rule to avoid matching inappropriate suffix rule.
8389
8390 2005-01-26  Jan Hubicka  <jh@suse.cz>
8391
8392         PR tree-optimization/19241
8393         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
8394
8395 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8396
8397         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
8398         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
8399         of doubling.
8400         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
8401         <sim*>: Always use crt1.o, regardless of N in simN.
8402         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8403         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
8404         (CRT_CALL_STATIC_FUNCTION): Remove.
8405         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
8406         use crt1.o, regardless of N in simN.
8407         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8408         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
8409         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
8410         case isystem setting.
8411         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
8412
8413 2005-01-25  Ian Lance Taylor  <ian@airs.com>
8414
8415         * gimple-low.c (block_may_fallthru): Correct handling of
8416         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
8417
8418 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8419
8420         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
8421         handlers to match indentation; nested under the mtune=* handler.
8422         Similar for mcpu= and march=.
8423
8424 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
8425
8426         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
8427         * config/mips/linux64.h (LIB_SPEC): Likewise.
8428         * config/mn10300/linux.h (LIB_SPEC): Likewise.
8429         * config/sh/linux.h (LIB_SPEC): Likewise.
8430
8431 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
8432
8433         * config/frv/frv.c (frv_legitimize_tls_address): New.
8434         (TARGET_HAVE_TLS): Define.
8435         (FRV_SYMBOL_REF_TLS_P): Define.
8436         (frv_override_options): Handle new register classes.
8437         (frv_legitimate_address_p): Reject tls addresses.
8438         (frv_legitimize_address): Handle TLS addresses.
8439         (gen_inlined_tls_plt): New.
8440         (gen_tlsmoff): New.
8441         (frv_legitimize_tls_address): New.
8442         (unspec_got_name): Add TLS entries.
8443         (got12_operand): Add R_FRV_TLSMOFF12 case.
8444         (frv_emit_move): Fixup TLS addresses.
8445         (frv_emit_movsi): Legitimize TLS addresses.
8446
8447         * config/frv/frv.h (MASK_BIG_TLS): New.
8448         (TARGET_BIG_TLS): New.
8449         (HAVE_AS_TLS): Define.
8450         (TARGET_SWITCHES): Add -mTLS and -mtls options.
8451         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
8452         (REG_CLASS_NAMES): Same.
8453         (REG_CLASS_CONTENTS): Same.
8454         (CONSTRAINT_LEN): New.
8455         (REG_CLASS_FROM_CONSTRAINT): New.
8456         (PREDICATE_CODES): Add symbolic_operand.
8457
8458         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
8459         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
8460         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
8461         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
8462         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
8463         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
8464         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
8465         GR9_REG, GR14_REG, LRREG.
8466         (type): Add load_or_call attribute.
8467         ("load_or_call"): New reservation.
8468         ("call_gettlsoff"): New.
8469         ("tls_indirect_call"): New.
8470         ("tls_load_gottlsoff12"): New.
8471         ("tlsoff_hilo"): New.
8472         ("tls_tlsdesc_ldd"): New.
8473         ("tls_tlsoff_ld"): New.
8474         ("tls_lddi"): New.
8475
8476         * config/frv/frv-protos.h (symbolic_operand): Protoize.
8477
8478         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
8479
8480         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
8481         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
8482         * config/frv/frv.c (TLS_BIAS): Define.
8483         (frv_output_dwarf_dtprel): New.
8484
8485 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
8486
8487         PR rtl-optimization/19579
8488         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
8489         both A and B, see if they don't clobber registers the other expr uses.
8490
8491 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
8492
8493         * real.c (do_add): Initialize signalling and canonical members.
8494
8495         * real.c (real_from_integer): Zero out destination.
8496
8497 2005-01-18  Jan Hubicka  <jh@suse.cz>
8498
8499         PR tree-optimize/19337
8500         * tree-inline.c (initialize_inlined_parameters): Copy
8501         saved_static_chain_decl only.
8502
8503 2005-01-25  Richard Henderson  <rth@redhat.com>
8504
8505         PR target/19556
8506         PR target/19584
8507         * config/i386/i386.c (x86_inter_unit_moves): Zero.
8508         (ix86_preferred_reload_class): Rewrite fp-constant section, with
8509         80387 enabled, to return a proper subclass.  Return the subset that
8510         overlaps with GENERAL_REGS for PLUS.
8511         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
8512
8513 2005-01-25  Richard Henderson  <rth@redhat.com>
8514
8515         PR middle-end/19609
8516         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
8517
8518 2005-01-25  Roger Sayle  <roger@eyesopen.com>
8519
8520         * expmed.c (choose_multiplier): Change interface to return the
8521         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
8522         (expand_divmod): Update calls to choose_multiplier.
8523
8524 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8525
8526         PR middle-end/19330
8527         * expmed.c (extract_bit_field): Use adjust_address instead of
8528         gen_lowpart when op0 is a MEM.
8529
8530 2005-01-24  Steven Bosscher  <stevenb@suse.de>
8531
8532         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
8533
8534 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8535
8536         * config/mips/irix-csr.c: New file.
8537         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8538         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8539         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8540         executables.
8541
8542 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
8543
8544         PR bootstrap/19364
8545         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
8546         sparc/elf.h, add sparc/sp-elf.h.
8547         (sparc-*-rtems*): Likewise.
8548         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
8549         tm-dwarf2.h, add sparc/sp-elf.h.
8550         (sparc86x-*-elf): Likewise.
8551         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
8552         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
8553         TARGET_OS_CPP_BUILTINS.
8554         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8555         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8556         Undefine it.
8557         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
8558         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
8559         (SWITCH_TAKES_ARG): Likewise.
8560         (LOCAL_LABEL_PREFIX): Likewise.
8561         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8562         (TARGET_N_FORMAT_TYPES): Delete.
8563         (TARGET_FORMAT_TYPES): Likewise.
8564         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8565         * config/sparc/elf.h: Delete.
8566         * config/sparc/sp-elf.h: New file.
8567
8568 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8569
8570         * tree-flow-inline.h (phi_arg_from_edge): Remove.
8571         * tree-flow.h: Remove the corresponding prototype.
8572         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
8573         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
8574
8575 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8576
8577         PR target/17751
8578         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
8579         for AIX ABI or ELF -fPIC.
8580         (rs6000_emit_load_toc_table): Don't create toc_section here.
8581         (rs6000_xcoff_file_start): Nor here.
8582
8583 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
8584
8585         * sh.c (ra.h): Don't #include.
8586         (hard_regs_intersect_p): New function, resurrected from ra.c.
8587
8588         * sh.c: Fix 1996 Copyright.
8589
8590 2005-01-24  Richard Henderson  <rth@redhat.com>
8591             Aldy Hernandez  <aldyh@redhat.com>
8592
8593         * regrename.c (note_sets): Handle subregs.
8594
8595 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
8596
8597         PR bootstrap/18058
8598         * genconditions.c (write_header, write_conditions): Elide file if
8599         not GCC >= 3.0.1.
8600
8601 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8602
8603         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
8604         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
8605         Update copyright.
8606
8607 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8608
8609         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
8610         expand_builtin_printf, expand_builtin_fprintf,
8611         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
8612         checking against POINTER_TYPE.
8613         (validate_arglist): Handle POINTER_TYPE code by checking
8614         POINTER_TYPE_P.
8615
8616 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
8617
8618         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
8619         init_rtlanal): New.
8620         (for_each_rtx): Call for_each_rtx_1.
8621         * rtl.h (init_rtlanal): Declare.
8622         * toplev.c (backend_init): Call init_rtlanal.
8623
8624 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8625
8626         * flow.c (propagate_one_insn): Formatting.
8627
8628         PR middle-end/19551
8629         * flow.c (libcall_dead_p): Be more conservative if unsure.
8630         If there are any instructions between insn and call, see if they are
8631         all dead before saying the libcall is dead.
8632
8633 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
8634
8635         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
8636         operand constraint for operand 0.
8637
8638 2005-01-23  Richard Henderson  <rth@redhat.com>
8639
8640         PR 19486
8641         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
8642         edges leading to join block.
8643
8644 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8645
8646         * expmed.c (expand_mult_highpart): Make static.  Change type of
8647         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
8648         (expand_divmod): Updates calls to expand_mult_highpart by using
8649         gen_int_mode to pass a CONST_INT rtx.
8650         * rtl.h (expand_mult_highpart): Remove prototype.
8651
8652 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8653
8654         * flow.c (regset_bytes, regset_size): Remove.
8655
8656         * cfganal.c: Fix a reference to Harvey's paper.
8657
8658 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8659
8660         PR rtl-optimization/19464
8661         * tree-optimize.c (init_tree_optimization_passes): Add one more
8662         copyrename pass just before out-of-ssa.
8663
8664 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
8665
8666         PR bootstrap/18058
8667         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
8668         * ggc-none.c (ggc_free): Define.
8669
8670 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8671
8672         * cse.c (max_reg, max_insn_uid): Remove.
8673         (cse_main): Don't access max_reg or max_insn_uid.
8674
8675         * c-common.c (explicit_flag_signed_bitfields,
8676         lang_statement_code_p, lang_expand_function_end): Remove.
8677         * c-common.h: Remove the corresponding declarations.
8678         * c-opts.c (c_common_handle_option): Remove all write access
8679         to explicit_flag_signed_bitfields.
8680
8681         * cgraph.c (cgraph_varpool_n_nodes): Remove.
8682         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
8683         * cgraph.h: Remove the corresponding declaration.
8684
8685         * gcse.c (null_pointer_info): Remove.
8686
8687 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8688             Eric Botcazou  <ebotcazou@libertysurf.fr>
8689
8690         * combine.c (simplify_logical): Only simplify logical expressions
8691         of the form ior(and(x,y),z) by the inverse distributive law if the
8692         result is cheaper than the original.
8693
8694 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8695
8696         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
8697         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
8698         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
8699         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
8700         config/freebsd-spec.h, config/arm/arm.h,
8701         config/h8300/h8300.md, config/i386/i386.md,
8702         config/i386/predicates.md, config/i386/sse.md,
8703         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
8704         config/vax/vax.md: Fix comment typos.  Follow spelling
8705         conventions.
8706
8707 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8708
8709         * gengtype.c (walk_type): Produce `not equal to' compares for loop
8710         tests, instead of `less than'.
8711
8712 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
8713
8714         * function.c (assign_parm_setup_block): When creating a new stack slot
8715         for a parameter, get its alignment from the parameter's DECL_ALIGN
8716         rather than the type's TYPE_ALIGN.  Make sure that the parameter
8717         is at least word aligned.
8718
8719 2005-01-22  Roger Sayle  <roger@eyesopen.com>
8720
8721         PR middle-end/19378
8722         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
8723
8724 2005-01-22  Richard Henderson  <rth@redhat.com>
8725
8726         PR target/19506
8727         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
8728         in both compare operands.
8729         (movdfcc_1_sse_max): Likewise.
8730         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
8731         (movdfcc_1_sse): Likewise.
8732         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
8733         scratch register as needed.
8734
8735 2005-01-22  Richard Henderson  <rth@redhat.com>
8736
8737         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
8738
8739         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
8740
8741 2005-01-22  Richard Henderson  <rth@redhat.com>
8742
8743         * genopinit.c (optabs): Use smin/smax for floating point too.
8744         * doc/md.texi: Update to match.  Clarify that floating point
8745         results are undefined for +0/-0 and NaN.
8746         * doc/rtl.texi: Likewise.
8747         * rtl.def (SMIN, SMAX): Likewise
8748         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8749
8750         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8751         leading 's' to the name.
8752         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8753         smaxxf3, sminxf3): Likewise.
8754         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8755         Likewise.
8756
8757 2005-01-22  Paul Brook  <paul@codesourcery.com>
8758
8759         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8760
8761 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8762
8763         * config/s390/s390.c (struct processor_costs): New fields
8764         dlgr, dlr, dr, dsgfr, dsgr.
8765         (z900_cost, z990_cost): Values for new fields.
8766         (s390_rtx_costs): New cases MEM und COMPARE in switch
8767         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8768         DIV, MOD, UDIV, UMOD.
8769
8770 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8771
8772         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8773         into the register being decremented.
8774         ("doloop_si31", "doloop_di"): Likewise.
8775         ("*doloop_si_long"): Adapt pattern.
8776
8777 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8778
8779         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8780         access registers.
8781         (CLASS_MAX_NREGS): Likewise.
8782
8783 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8784
8785         * doc/tree-ssa.texi (Statement Operands): Add example for new
8786         must-def macro. Note deprecation of old operands interface.
8787
8788 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8789
8790         PR tree-optimization/19484
8791         * tree-cfg.c (remove_fallthru_edge): New function.
8792         (cleanup_control_flow): Remove fallthru edges from calls that are
8793         now known not to return.
8794
8795 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8796
8797         Fix PR tree-optimization/19038
8798         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8799         copies with loop variant ones.
8800
8801 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8802
8803         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8804         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8805         config/alpha/alpha.md, config/alpha/predicates.md,
8806         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8807         config/sparc/sol2.h: Update copyright.
8808
8809         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8810         first label to see if it is a nonlocal label.
8811
8812 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8813             Andrew Pinski  <pinskia@physics.uc.edu>
8814
8815         PR target/19491
8816         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8817         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8818
8819 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8820
8821         * config/rs6000/rtems.h: Update copyright.
8822
8823 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8824
8825         PR target/19548
8826         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8827         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8828         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8829
8830 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8831
8832         PR c/18809
8833         * c-typeck.c (convert_arguments): Check for error_mark_node.
8834
8835 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8836
8837         PR tree-optimization/13000
8838         * tree-inline.c: Include "tree-flow.h".
8839         (expand_call_inline): If warn_return_type, warn if non-void inline
8840         function falls through.
8841         * tree-cfg.c (execute_warn_function_return): Don't warn about
8842         control reaching end if TREE_NO_WARNING is set.  Set
8843         TREE_NO_WARNING.
8844         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8845         has been lowered.
8846         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8847         branch if we don't need one.
8848         * c-typeck.c: Include "tree-flow.h"
8849         (c_finish_bc_stmt): Don't add a goto if the current statement
8850         list doesn't fall through to the current point.
8851
8852 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8853
8854         PR rtl-optimization/576
8855         * real.c (real_arithmetic): Change return type from void to bool
8856         to return an indication that the result may be inexact.
8857         * real.h (real_arithmeric): Update prototype.
8858         * fold-const.c (const_binop):  Don't constant fold floating
8859         point expressions when the user specifies -frounding-math and
8860         the result may depend upon the run-time rounding mode.
8861         (fold_convert_const_real_from_real): Clean-up.
8862         (fold_initializer): Ignore flag_rounding_math for initializers.
8863         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8864         constant fold FP operations with flag_rounding_math if the
8865         result may depend upon the run-time rounding mode.
8866
8867 2005-01-21  Tom Tromey  <tromey@redhat.com>
8868
8869         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8870
8871 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8872
8873         * tree-cfg.c: Fix comment typos.
8874
8875 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8876
8877         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8878         around the call to rest_of_handle_branch_target_load_optimize.
8879
8880 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8881
8882         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8883         (sparc64-*-openbsd*): Likewise.
8884         (sparclite-*-elf*): Include tm-dwarf2.h.
8885         (sparc86x-*-elf*): Likewise.
8886         (sparc64-*-elf*): Likewise.
8887         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8888         (DBX_DEBUGGING_INFO): Likewise.
8889         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8890         (PREFERRED_DEBUGGING_TYPE): Likewise.
8891         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8892         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8893         (PREFERRED_DEBUGGING_TYPE): Likewise.
8894         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8895         (PREFERRED_DEBUGGING_TYPE): Likewise.
8896         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8897
8898 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8899
8900         PR target/18701
8901         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8902
8903 2005-01-20  Paul Brook  <paul@codesourcery.com>
8904
8905         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8906
8907 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8908
8909         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8910         label is first in a sequence of labels.
8911
8912         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8913
8914 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8915             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8916
8917         * doc/sourcebuild.texi (Test Directives): New.
8918
8919 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8920
8921         * real.c (real_floor): Don't leave the result uninitialized when
8922         mode is VOIDMode, but return the unrounded intermediate value.
8923         (real_ceil): Likewise.
8924
8925 2005-01-20  Paul Brook  <paul@codesourcery.com>
8926
8927         * config/arm/arm.md (insv): Use gen_int_mode.
8928
8929 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8930
8931         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8932         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8933         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8934         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8935         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8936
8937 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8938
8939         Fix PR debug/19124
8940         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8941         fbreg, so we have to assume we can't.
8942         (loc_descriptor_from_tree_1): Ditto.
8943         (containing_function_has_frame_base): New function.
8944         (add_location_or_const_value_attribute): Use it.
8945         Also try to generate a frame_base from a single element location
8946         list.
8947
8948 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8949
8950         PR tree-optimization/15349
8951         * timevar.def (TV_TREE_MERGE_PHI): New.
8952         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8953         PHI_WANTED.
8954         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8955         calls to tree_forwarder_block_p.
8956         (remove_forwarder_block_with_phi, merge_phi_nodes,
8957         gate_merge_phi, pass_merge_phi): New.
8958         * tree-optimize.c (init_tree_optimization_passes): Add
8959         pass_merge_phi.
8960         * tree-pass.h: Add an extern for pass_merge_phi;
8961
8962 2005-01-20  Richard Henderson  <rth@redhat.com>
8963
8964         PR target/19418
8965         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8966         (_mm_castps_pd, _mm_castps_si128): New.
8967         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8968
8969 2005-01-20  Richard Henderson  <rth@redhat.com>
8970
8971         PR target/19530
8972         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8973         __builtin_ia32_vec_init_v2si.
8974         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8975         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8976         (ix86_init_mmx_sse_builtins): Create it.
8977         (ix86_expand_builtin): Expand it.
8978         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8979         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8980         (vec_extractv2si_0, vec_extractv2si_1): New.
8981
8982 2005-01-20  Richard Henderson  <rth@redhat.com>
8983
8984         PR target/16533
8985         * config/i386/i386.c (ix86_expand_push): New.
8986         * config/i386/mmx.md (push<MMXMODE>1): New.
8987         * config/i386/sse.md (push<SSEMODE>1): New.
8988         * config/i386/i386-protos.h: Update.
8989
8990 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8991
8992         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8993         copyright.
8994
8995 2005-01-20  Richard Henderson  <rth@redhat.com>
8996
8997         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8998         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8999
9000 2005-01-19  Richard Henderson  <rth@redhat.com>
9001
9002         PR target/19350
9003         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
9004         to V4SFmode in SSE1 fallback load path.
9005
9006 2005-01-19  Richard Henderson  <rth@redhat.com>
9007
9008         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
9009         in QImode expansion to ix86_expand_vector_set.
9010         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
9011
9012 2005-01-19  Richard Henderson  <rth@redhat.com>
9013
9014         PR target/19511
9015         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
9016         subclass of the input class.
9017         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
9018         Always true for cross-SSE1 classes.  Rationalize conditionals.
9019         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
9020         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
9021         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
9022         (movdi_2): Add MMX/SSE zeros.
9023         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
9024         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
9025         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
9026         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
9027         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
9028         (zero_extendsidi2_rex64_1): Remove.
9029         (MOV0 peephole): Check GENERAL_REG_P.
9030
9031 2005-01-19  Richard Henderson  <rth@redhat.com>
9032
9033         PR target/19427
9034         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
9035         shufps elements.
9036         (ix86_expand_vector_extract): Likewise.
9037
9038 2005-01-19  Richard Henderson  <rth@redhat.com>
9039
9040         PR middle-end/19304
9041         * expr.c (emit_move_change_mode): New argument force; use
9042         simplify_gen_subreg if true.
9043         (emit_move_via_alt_mode): Merge into ...
9044         (emit_move_via_integer): ... here.
9045         (emit_move_ccmode): Use emit_move_change_mode directly.
9046
9047 2005-01-19  Richard Henderson  <rth@redhat.com>
9048
9049         PR target/19518
9050         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
9051         (alpha_preferred_reload_class): Handle CONST_VECTOR.
9052         (alpha_emit_set_const_1): Add no_output parameter; don't emit
9053         rtl if true.
9054         (alpha_emit_set_const): Likewise.  Make static.
9055         (alpha_emit_set_long_const): Make static.
9056         (alpha_extract_integer): Split out from alpha_expand_mov.
9057         (alpha_split_const_mov): Likewise.
9058         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
9059         (alpha_legitimate_constant_p): New.
9060         * config/alpha/alpha-protos.h: Update.
9061         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
9062         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
9063         * config/alpha/alpha.md (movsi): Add n alternative.
9064         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
9065         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
9066         (splitters for all of the above): Use alpha_split_const_mov.
9067         * config/alpha/predicates.md (non_add_const_operand): New.
9068         (non_zero_const_operand): New.
9069         (input_operand): Use alpha_legitimate_constant_p after reload.
9070
9071 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9072
9073         PR tree-optimization/19038
9074         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
9075         (add_candidate): Add ivs with increment in latch only if
9076         allow_ip_end_pos_p is true.
9077         (determine_iv_cost): Use empty_block_p.
9078
9079 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
9080
9081         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
9082         (compute_dominance_frontiers): Ditto.
9083
9084 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
9085
9086         PR target/19529
9087         * config/sh/t-rtems: New.
9088         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
9089
9090 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9091
9092         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
9093         the offset of the selected field.
9094
9095 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
9096
9097         * tree-cfg.c (remove_forwarder_block): Fix the check to
9098         prevent a nonlocal label from appearing in the middle of a
9099         basic block.
9100
9101 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
9102
9103         PR rtl-optimization/19462
9104         * reorg.c (find_end_label): Create return insn only if
9105         current_function_epilogue_delay_list is empty.
9106
9107 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
9108
9109         * doc/passes.texi: Remove paragraph mentioning new-ra.
9110
9111 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
9112
9113         PR rtl-optimization/15139
9114         * combine.c: Include params.h.
9115         (count_rtxs): New function.
9116         (record_value_for_reg): If replace_rtx would replace at least
9117         2 occurrences of REG in VALUE and TEM is really large, replace REG with
9118         (clobber (const_int 0)) instead of TEM.
9119         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
9120         * params.h (MAX_LAST_VALUE_RTL): New.
9121         * Makefile.in (combine.o): Depend on $(PARAMS_H).
9122         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
9123
9124         PR c/17297
9125         * c-typeck.c (digest_init): Only call build_vector if all constructor
9126         elements are *_CST nodes.
9127         * gimplify.c (gimplify_init_constructor): Likewise.
9128
9129         PR middle-end/19164
9130         * c-typeck.c (digest_init): Only call build_vector if inside_init
9131         is a CONSTRUCTOR.
9132
9133 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9134
9135         * toplev.c (init_asm_output): Remove dead #ifdef.
9136
9137 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9138
9139         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
9140
9141 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9142
9143         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
9144         accessing DECL_FUNCTION_CODE.
9145         * dojump.c (do_jump): Likewise.
9146         * gimplify.c (gimplify_call_expr): Likewise.
9147         * predict.c (expr_expected_value): Likewise.
9148         (strip_builtin_expect): Likewise.
9149         * tree-inline.c (estimate_num_insns_1): Likewise.
9150         * tree-ssa-loop-im.c (stmt_cost): Likewise
9151         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
9152         (tree_expr_nonnegative_p): Likewise.
9153
9154 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9155
9156         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
9157         variant of the load_pcrel_sym pattern.
9158         * config/sparc/sparc.md (P macro): Move to the top.
9159         (load_pcrel_sym): Macroize using P.
9160         (save_register_window): Likewise.
9161
9162 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
9163
9164         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
9165         ("sordered"): Same.
9166
9167 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
9168
9169         PR C/19472
9170         * c-typeck.c (build_asm_expr): Strip nops off
9171         input memory operands.
9172
9173 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
9174
9175         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
9176         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
9177         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
9178         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
9179
9180 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
9181
9182         PR target/19379
9183         * config/i386/i386.c (override_options): If the 80387 is disabled,
9184         then do not return FP values using FP registers.
9185
9186 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
9187
9188         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
9189         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
9190         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
9191         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
9192         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
9193         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
9194         output.h, postreload-gcse.c, postreload.c, recog.c,
9195         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
9196         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
9197         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
9198         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
9199         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
9200         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
9201         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
9202         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
9203
9204         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
9205         config/alpha/alpha.c, config/arm/vfp.md,
9206         config/i386/emmintrin.h, config/i386/i386-modes.def,
9207         config/i386/i386-protos.h, config/i386/i386.h,
9208         config/i386/pmmintrin.h, config/i386/ppro.md,
9209         config/i386/predicates.md, config/i386/xmmintrin.h,
9210         config/i860/i860.c, config/ia64/ia64-modes.def,
9211         config/ia64/ia64-protos.h, config/ia64/ia64.h,
9212         config/ia64/ia64.md, config/ia64/itanium1.md,
9213         config/ia64/itanium2.md, config/ia64/predicates.md,
9214         config/iq2000/iq2000.h, config/mips/linux64.h,
9215         config/rs6000/aix41.h, config/rs6000/aix43.h,
9216         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
9217         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9218         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
9219         config/sparc/linux64.h, config/sparc/litecoff.h,
9220         config/sparc/sp64-elf.h, config/sparc/sparc.c,
9221         config/sparc/sparc.h, config/sparc/sparc.md,
9222         config/sparc/sysv4-only.h: Update copyright.
9223
9224 2005-01-18  Richard Henderson  <rth@redhat.com>
9225
9226         PR target/19496
9227         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
9228
9229 2005-01-18  Marc Espie  <espie@openbsd.org>
9230         * config/i386/openbsdelf.h: Typo.
9231
9232 2005-01-18  Richard Henderson  <rth@redhat.com>
9233
9234         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
9235         special case for sse.
9236         * config/i386/predicates.md (sse_comparison_operator): Likewise.
9237
9238 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
9239
9240         * tree-inline.c (estimate_num_insns_1): Added cases for
9241         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
9242
9243 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9244
9245         PR rtl-optimization/19296
9246         * combine.c (simplify_comparison): Rewrite the condition under
9247         which a non-paradoxical SUBREG of a PLUS can be lifted when
9248         compared against a constant.
9249
9250 2005-01-18  Andi Kleen <ak@muc.de>
9251
9252         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
9253         * c.opt (-Wpointer-sign): Add.
9254         * doc/invoke.texi: (-Wpointer-sign): Add.
9255
9256 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9257
9258         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
9259         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
9260         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
9261         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
9262         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
9263         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
9264         for TARGET_MIX_SSE_I387.
9265         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
9266         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
9267         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
9268         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
9269         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
9270         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
9271         TARGET_MIX_SSE_I387.
9272         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
9273         from expander.
9274
9275 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9276
9277         PR target/19424
9278         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
9279         Add movaps alternative for xmm reg->reg move.
9280
9281 2005-01-17  Jeff Law  <law@redhat.com>
9282
9283         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
9284         at the end of the main DOM loop rather than just before DOM exits.
9285
9286 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
9287
9288         PR tree-optimization/19121
9289         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
9290         adding aliases to a name tag, also add them to the pointer's
9291         type tag.
9292         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
9293         sensitive alias info at all.  Only check that the two pointers
9294         have compatible pointed-to sets.
9295         * tree-ssa.c (verify_name_tags): Verify that the alias set of
9296         a pointer's type tag is a superset of the alias set of the
9297         pointer's name tag.
9298
9299 2005-01-17  James E Wilson  <wilson@specifixinc.com>
9300
9301         PR target/19357
9302         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
9303         comment to document why.
9304
9305 2005-01-17  Richard Henderson  <rth@redhat.com>
9306
9307         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
9308         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
9309         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
9310         sse2_vmsminv2df3_finite): New.
9311         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
9312         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
9313         Force op1 into register.
9314
9315 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
9316
9317         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
9318         bubblestrap from always rebuilding build directory.
9319
9320 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
9321
9322         * config/s390/s390.md ("*clc"): Remove incorrect '='.
9323         ("*cmpmem_short"): Likewise.
9324
9325 2005-01-17  Steven Bosscher  <stevenb@suse.de>
9326
9327         * basic-block.h: Document BB_* flags.
9328         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
9329         use an sbitmap instead.
9330         * sched-rgn.c (compute_trg_info): Likewise.
9331
9332 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
9333
9334         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
9335         redundant target_cpu_default and extra_parts lines.  Use the default
9336         "from-abi" ISA.
9337         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
9338         (SUBTARGET_EXTRA_SPECS): Delete.
9339         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
9340         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
9341         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
9342         and "n32" for -mabi=n32.
9343
9344 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9345
9346         PR c/5675
9347         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
9348         fold constant variables into initial values.
9349
9350 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9351
9352         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
9353
9354         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
9355         through the statements backward.
9356
9357 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9358
9359         PR middle-end/13127:
9360         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
9361         a variable set to the return value of the inlined function.
9362
9363 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
9364
9365         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
9366         when modes are tieable.
9367
9368 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
9369
9370         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
9371         of pthread_create to find out if threads are enabled.
9372         * gthr-posix95.h (__gthread_active_p): Likewise.
9373
9374 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
9375
9376         * common.opt (-fnew-ra): Remove.
9377         * ra*.*: Remove.
9378         * toplev.h (flag_new_regalloc): Remove.
9379         * Makefile.in (ra*.*): Don't mention.
9380         * passes.c (rest_of_handle_new_regalloc): Remove.
9381         (rest_of_handle_combine, rest_of_compilation): Always consider
9382         flag_new_regalloc as false.
9383         * doc/invoke.texi: Don't document -fnew-ra.
9384
9385 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
9386
9387         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
9388         last parameter to reg_scan.
9389         * loop.c (loop_optimize): Likewise.
9390         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
9391         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
9392         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9393         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9394         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
9395         * regclass.c (reg_scan): Likewise, for the declaration.
9396         * rtl.h (reg_scan): Likewise, for the prototype.
9397
9398 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9399
9400         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
9401         mark_dfs_back_edges.
9402
9403 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
9404
9405         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
9406         (compute_avail): Uses don't go in tmp_gen.
9407
9408 2005-01-16  Steven Bosscher  <stevenb@suse.de>
9409
9410         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
9411         loop to look for a free slot in a page entry.
9412
9413 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9414
9415         PR target/16304
9416         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
9417         * toplev.c (compile_file): Call process_pending_assemble_output_defs
9418         just before targetm.asm_out.file_end.
9419         * tree.h (process_pending_assemble_output_defs): Declare.
9420         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
9421         New functions.
9422         (assemble_alias): Defer generation of assembly code for defines when
9423         TARGET_DEFERRED_OUTPUT_DEFS is true.
9424         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9425         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9426         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
9427
9428 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9429
9430         PR target/19336
9431         * pa.c (pa_scalar_mode_supported_p): New function.
9432         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9433         * pa.h (MIN_UNITS_PER_WORD): Add comment.
9434
9435         * pa-protos.h (prefetch_operand): Delete.
9436         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
9437         * pa.c (prefetch_operand): Delete.
9438         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
9439         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
9440         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
9441         and prefetch_nocc_operand.
9442         * pa.md (prefetch): Rework to avoid reload problems handling short
9443         displacements when a cache control completer needs to be provided.
9444         (prefetch_32, prefetch_64): Delete.
9445         (prefetch_cc, prefetch_nocc): New patterns.
9446
9447 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
9448
9449         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
9450
9451 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9452
9453         PR ada/19388
9454         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
9455         exceeds maximum alignment for global common data.
9456         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
9457         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
9458
9459 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9460
9461         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
9462
9463 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9464
9465         * harg-reg-set.h (reg_class_names): Prototype global array.
9466         * regclass.c (reg_class_names): Declare here and initialize to
9467         REG_CLASS_NAMES.
9468         (dump_regclass): Remove local declaration of reg_class_names.
9469         (regclass): Likewise.
9470         * cfg.c (dump_flow_info): Likewise.
9471         * ra-debug.c (reg_class_names): Likewise.
9472         * regrename.c (reg_class_names): Likewise.
9473         * reload.c (reg_class_names): Likewise.
9474         * reload1.c (spill_failure): Likewise.
9475         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
9476
9477 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
9478
9479         * config/s390/s390.md ("reload_outti"): Remove predicate for
9480         output operand.  Abort if operand is not a MEM.
9481         ("reload_outdi", "reload_outdf"): Likewise.
9482
9483 2005-01-15  Marc Espie  <espie@openbsd.org>
9484
9485         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
9486         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
9487         * config/openbsd.h:  Fix C++ includes for native configurations.
9488         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
9489         Add trampoline support.
9490         * config/i386/openbsdelf.h: New.
9491
9492 2005-01-15  Marc Espie  <espie@openbsd.org>
9493
9494         * collect2.c (main): Explicitly parse -dynamic-linker option.
9495
9496 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
9497
9498         PR tree-optimization/19060
9499         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
9500         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
9501         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
9502         and handle extract_range_from_cond returning false.
9503         * fold-const.c (fold): Optimize comparisons with min/max even for
9504         width > HOST_BITS_PER_WIDE_INT.
9505
9506 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
9507
9508         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
9509         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
9510         Remove little endian multilib variants.
9511         Add mips32 multilib variant.
9512
9513 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
9514
9515         * explow.c (copy_all_reg, stabilize): Remove.
9516         * expr.h: Remove the corresponding prototypes.
9517
9518         * rtlanal.c (regs_set_between_p): Remove.
9519         * rtl.h: Remove the corresponding prototype.
9520
9521 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
9522
9523         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
9524         to rs6000_nonimmediate_operand.
9525         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
9526         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
9527         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
9528         rs6000_nonimmediate_operand.
9529         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
9530         rs6000_nonimmediate_operand.
9531
9532 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
9533
9534         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
9535
9536 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9537
9538         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
9539         on e500v2.
9540         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
9541         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
9542
9543         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
9544         (rs6k_nonimmediate_operand): New.
9545         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
9546         correctly.
9547         (legitimate_lo_sum_address_p): Same.
9548         (rs6000_legitimize_address): Same.
9549         (rs6000_legitimize_reload_address): Same.
9550         (rs6000_legitimate_address): Same.
9551         (spe_build_register_parallel): Pass DF and DC modes in a DI
9552         register.
9553
9554         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
9555         to rs6k_nonimmediate_operand.
9556
9557         * config/rs6000/spe.md ("*frob_df_di"): New.
9558         ("*frob_di_df"): New.
9559         ("*frob_di_df_2"): New.
9560         ("*mov_sidf_e500_subreg0"): New.
9561         ("*mov_sidf_e500_subreg4"): New.
9562         ("*movdf_e500_double"): Change predicate to
9563         rs6k_nonimmediate_operand.
9564
9565 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9566
9567         * postreload.c (move2add_note_store): Only call
9568         trunc_int_for_mode on scalar integers.
9569
9570 2005-01-14  Steven Bosscher  <stevenb@suse.de>
9571
9572         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
9573         replace BB_VISITED uses.
9574         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
9575         (propagate_necessity): Check the bitmap instead of BB_VISITED.
9576         (tree_dce_done): Free visited_control_parents.
9577         (perform_tree_ssa_dce): Allocate and clear it.
9578         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
9579         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
9580         instead of BB_VISITED.
9581
9582 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
9583
9584         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
9585         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
9586         Remove unused prototypes.
9587
9588 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9589
9590         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
9591         64-bit register usage.
9592         (spe_func_has_64bit_regs_p): Add FIXME note.
9593
9594 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9595
9596         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
9597         flag_finite_math_only with flag_unsafe_math_optimizations.
9598
9599 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
9600
9601         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
9602         end-of-stack check.
9603         (__tpf_eh_return): Copy TPF private stack area from the module
9604         boundary stack frame.  Add check for when module addresses are
9605         equal, but no stub address is found.
9606
9607 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
9608
9609         PR target/7525
9610         * arm.h (struct machine_function): Add call_via field.
9611         (thumb_call_via_label): Declare.
9612         * arm.c (thumb_call_via_label): New variable.
9613         (thumb_call_reg_needed): New variable.
9614         (arm_output_function_epilogue): For Thumb code, output any per-function
9615         call-indirect trampolines.
9616         (thumb_call_via_reg): New function.
9617         (arm_file_end): New function.
9618         (TARGET_ASM_FILE_END): Call arm_file_end.
9619         (aof_file_end): Likewise.
9620         * arm-protos.h (thumb_call_via_reg): Declare.
9621         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
9622         thumb_call_via_reg in normal case.
9623
9624 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
9625
9626         PR middle-end/19084
9627         PR rtl-optimization/19348
9628         * recog.c (peephole2_optimize): Do global life update if some peephole
9629         decides it doesn't need at least one of its inputs and that change
9630         influences liveness at the start of the basic block.
9631
9632         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
9633         arguments instead of 1.
9634
9635 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
9636
9637         PR middle-end/18820
9638         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
9639         zero for nested functions needing a static chain or functions
9640         with a non-constant address.
9641
9642 2005-01-13  Roger Sayle  <roger@eyesopen.com>
9643
9644         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
9645         (and (sign_extend X) C) into (zero_extend (and X C)).
9646
9647 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
9648
9649         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
9650
9651 2005-01-13  Richard Henderson  <rth@redhat.com>
9652
9653         PR target/19009
9654         PR target/19250
9655         PR target/19252
9656         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
9657         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
9658         not just TARGET_SSE.
9659         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
9660         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
9661         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
9662         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
9663         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
9664         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
9665         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
9666         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
9667         (movdicc_c_rex64): Rename with '*'.
9668         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
9669         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
9670         (movsfcc_1_387): Rename from movsfcc_1.
9671         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
9672         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
9673         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
9674         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
9675         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
9676         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
9677         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
9678         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
9679         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
9680         sse_movdfcc_const0_4): Remove.
9681         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
9682         recognize min/max early.  Update for changed sse cmove patterns.
9683         (ix86_split_sse_movcc): New.
9684         * config/i386/i386-protos.h: Update.
9685
9686 2005-01-13  Steven Bosscher  <stevenb@suse.de>
9687
9688         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
9689         (fix_stmt_v_may_defs): Likewise.
9690
9691 2005-01-13  Richard Henderson  <rth@redhat.com>
9692
9693         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
9694         for converting the mask.
9695
9696 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
9697
9698         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
9699         definition to 600.
9700
9701 2005-01-13  Richard Henderson  <rth@redhat.com>
9702
9703         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
9704         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
9705         IX86_BUILTIN_MOVDQ2Q): Remove.
9706         (IX86_BUILTIN_VEC_EXT_V4SI): New.
9707         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
9708         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
9709         shuffling.
9710         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
9711         (sse2_pextrw): Fix immediate constraint.
9712         (sse2_loadq, sse2_loadq_rex64): Remove.
9713         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
9714         Use __builtin_ia32_vec_ext_<size>.
9715         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
9716
9717 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
9718
9719         * function.c (assign_parm_setup_block): Look inside original
9720         entry_parm when inspecting PARALLEL.
9721
9722 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
9723             Joel Sherrill  <joel@oarcorp.com>
9724
9725         PR target/19399
9726         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
9727         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
9728         rtems_gxx_recursive_mutex_init.
9729         (__gthread_recursive_mutex_lock): New function.
9730         (__gthread_recursive_mutex_trylock): Likewise.
9731         (__gthread_recursive_mutex_unlock): Likewise.
9732
9733 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
9734
9735         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
9736
9737 2005-01-13  Jan Beulich  <jbeulich@novell.com>
9738
9739         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
9740         (ashrti3_internal): Indicate output is early clobber. Generate result
9741         into output rather than first input. Use move for low word of output
9742         if shift count is exactly 64.
9743         (lshrti3_internal): Likewise.
9744
9745 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9746
9747         PR target/18329
9748         PR target/18330
9749         * reload1.c (delete_output_reload): Don't delete an output reload
9750         if the pseudo lives longer than a single basic block.  Adjust and
9751         improve wording of comment.
9752
9753 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9754
9755         PR target/19334
9756         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9757         of TYPE_SIZE where we mean the number of bytes.
9758
9759 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9760
9761         * function.c (assign_parm_setup_block): Relax condition on
9762         multi-register optimization.
9763
9764 2005-01-12  Nick Clifton  <nickc@redhat.com>
9765
9766         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9767         an "in_delay_slot" attribute of "no" to prevent them being used in
9768         delay slots.  This is forbidden because they might generate
9769         exceptions.
9770
9771 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9772
9773         PR target/19389
9774         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9775         with r->Y and Y->r.
9776
9777 2005-01-12  Nick Clifton  <nickc@redhat.com>
9778
9779         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9780         passed on to GAS) but do not define, as GAS no longer supports or
9781         needs the -m2000 option.
9782
9783 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9784
9785         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9786         type as args of unprototyped builtins aren't automatically promoted.
9787         (fold_builtin_abs): Likewise.
9788
9789 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9790
9791         * Makefile.in: Set a `build-warn' variable.
9792
9793 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9794
9795         PR tree-optimization/17949
9796         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9797         (find_interesting_uses_address): Use it.
9798
9799 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9800
9801         * regrename.c (kill_value): Handle subreg's that won't simplify.
9802
9803 2005-01-11  Richard Henderson  <rth@redhat.com>
9804
9805         PR target/13366
9806         * config/i386/i386.h (enum ix86_builtins): Move ...
9807         * config/i386/i386.c: ... here.
9808         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9809         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9810         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9811         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9812         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9813         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9814         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9815         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9816         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9817         IX86_BUILTIN_LOADDDUP): Remove.
9818         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9819         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9820         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9821         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9822         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9823         (ix86_init_builtins): Make static.
9824         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9825         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9826         if all the modes match.  Otherwise, fake it.
9827         (get_element_number, ix86_expand_vec_init_builtin,
9828         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9829         (ix86_expand_builtin): Make static.  Update for changed builtins.
9830         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9831         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9832         (ix86_expand_vector_init_duplicate): New.
9833         (ix86_expand_vector_init_low_nonzero): New.
9834         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9835         Split out from ix86_expand_vector_init; handle integer modes.
9836         (ix86_expand_vector_init): Use them.
9837         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9838         * config/i386/i386-protos.h: Update.
9839         * config/i386/predicates.md (reg_or_0_operand): New.
9840         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9841         (movv2sf_internal): Likewise.  And a splitter to match them all.
9842         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9843         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9844         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9845         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9846         (mmx_pinsrw): Fix operand ordering.
9847         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9848         rather than sse_loadss expander.
9849         (movv2df splitter): Similarly.
9850         (sse_loadss, sse_loadlss): Remove.
9851         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9852         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9853         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9854         (sse3_movddup): Rename with '*'.
9855         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9856         (sse2_loadsd): Remove.
9857         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9858         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9859         (sse2_pinsrw): Fix argument ordering.
9860         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9861         (sse2_stored): Remove 'r' destination.
9862         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9863         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9864         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9865         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9866         vec_extractv16qi, vec_initv16qi): New.
9867
9868         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9869         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9870         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9871         constructor form.
9872         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9873         (_mm_load_si128, _mm_store_si128): Likewise.
9874         (_mm_load1_pd): Use _mm_set1_pd.
9875         (_mm_load_sd): Use _mm_set_sd.
9876         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9877         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9878         (_mm_set_epi64): Use _mm_set_epi64x.
9879         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9880         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9881         _mm_setr_epi8): Use _mm_set_foo form.
9882         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9883         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9884         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9885         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9886         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9887         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9888         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9889         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9890         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9891         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9892         (_mm_movedup_pd): Use _mm_shuffle_pd.
9893         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9894         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9895         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9896         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9897         Use _mm_setzero_ps.
9898         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9899         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9900         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9901         (_mm_store_ps): Use raw dereference.
9902         (_mm_store1_ps): Use _mm_storeu_ps.
9903         (_mm_storer_ps): Use _mm_store_ps.
9904         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9905         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9906
9907 2005-01-11  Stan Shebs  <shebs@apple.com>
9908
9909         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9910         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9911
9912 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9913
9914         PR target/18761
9915         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9916         Skip all DECLs except for FIELD_DECLs.
9917
9918 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9919
9920         * config/s390/s390.c (override_options): Return error if
9921         -mbackchain, -mpacked-stack and -mhard-float are used together.
9922         (s390_va_start): Remove the backchain && packed-stack special case.
9923         (s390_gimplify_va_arg): Likewise.
9924         * doc/invoke.texi: Remove the ABI incompatibility note.
9925
9926 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9927
9928         * config/s390/s390.c (struct s390_frame_layout): Remove
9929         save_backchain_p.
9930         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9931         save_backchain_p with TARGET_BACKCHAIN.
9932
9933 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9934
9935         PR target/18916
9936         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9937         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9938         * function.c (locate_and_pad_parm): Set new field.
9939         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9940         Tweak where_pad test to include "none".  Always set mem align for
9941         stack_parm.
9942         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9943         not sufficient for type.
9944         (assign_parm_setup_block): If stack_parm is zero on entry, always
9945         make a new stack local.  Block move old stack parm if necessary
9946         to new aligned stack local.
9947         (assign_parm_setup_stack): Use a block move to handle
9948         potentially misaligned entry_parm.
9949         (assign_parms_unsplit_complex): Specify required alignment when
9950         creating stack local.
9951         * calls.c (compute_argument_addresses): Override alignment of stack
9952         arg calculated from its type with the alignment given by
9953         FUNCTION_ARG_BOUNDARY.
9954         (store_one_arg): Likewise.
9955
9956 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9957
9958         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9959         Change respective itanium_class attribute to ialu.
9960         (shladdp4_internal): New.
9961         * config/ia64/predicates.md (shladd_log2_operand): New.
9962
9963 2005-01-11  Richard Henderson  <rth@redhat.com>
9964
9965         * expr.c (store_constructor): Use rtvec_alloc instead of
9966         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9967
9968 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9969
9970         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9971
9972 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9973
9974         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9975         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9976         (TARGET_RWRELOC): Define.
9977         (ia64_rwreloc_section_type_flags): Delete.
9978         (ia64_section_type_flags): New function.
9979         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9980         (TARGET_RWRELOC): Define.
9981
9982 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9983
9984         PR target/18987
9985         * config/ia64/ia64.c (process_set): For alloc insn, only call
9986         process_epilogue is !frame_pointer_needed.
9987
9988 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9989
9990         PR c++/19355
9991         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9992         unary operator and can't be treated as a binary/comparison operator.
9993
9994 2005-01-10  Richard Henderson  <rth@redhat.com>
9995
9996         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9997         (ix86_return_in_memory): Likewise.
9998         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9999         for choosing register to advance.
10000
10001 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
10002
10003         * tree-vectorizer.c, tree.def: Fix comment typos.
10004
10005 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
10006
10007         * config/s390/s390.c (struct processor_costs): 4 new fields:
10008         ddbr, ddr, debr, der.
10009         (s390_rtx_costs): More precise handling of divide instructions.
10010
10011 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
10012
10013         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
10014
10015 2005-01-10  Jan Beulich  <jbeulich@novell.com>
10016
10017         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
10018         names resulting from -ffunction-sections/-fdata-sections and linkonce
10019         ones.
10020         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
10021         based on the section name. Rearrange the section name comparison logic
10022         slightly so that each section name is compared against at most once.
10023
10024 2005-01-10  Ben Elliston  <bje@au.ibm.com>
10025
10026         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
10027         targets for which -fPIC reduces limitations on the GOT size.
10028
10029 2005-01-09  Falk Hueffner  <falk@debian.org>
10030
10031         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
10032         X/C1 cmpop C2.
10033
10034 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
10035
10036         PR target/18720
10037         * collect2.c (main): Set aixrtl_flag for -brtl option.
10038         (resolve_lib_name): Search for .so file extension before .a
10039         if aixrtl_flag set.
10040
10041 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
10042
10043         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
10044         (vect_analyze_data_refs_alignment): Add dump prints.
10045
10046 2005-01-09  Ira Rosen  <irar@il.ibm.com>
10047
10048         * tree-vectorizer.c (vect_analyze_offset_expr): Use
10049         expr_invariant_in_loop_p.
10050         Initialize outputs first thing in the function.
10051         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
10052         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
10053         (vect_analyze_pointer_ref_access): Check that the initial condition of
10054         the access function is loop invariant.
10055
10056 2005-01-09  Richard Henderson  <rth@redhat.com>
10057
10058         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
10059         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
10060         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
10061         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
10062         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
10063         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
10064         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
10065         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
10066         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
10067         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
10068         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
10069         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
10070         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
10071         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
10072         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
10073         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
10074         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
10075         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
10076         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
10077         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
10078         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
10079         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
10080         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
10081         mmx_ prefix.
10082         (mmx_clrdi, pavgusb): Remove.
10083         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
10084         with leading sse_ prefix.
10085         * config/i386/sse.md: Receive them.
10086         * config/i386/mmx.md: New file.
10087         (MMXMODE12, MMXMODE24, mmxvecsize): New.
10088         (subrv2sf3): Turn into expander for normal subtraction.
10089         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
10090         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
10091         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
10092         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
10093         commutative; use ix86_binary_operator_ok.
10094         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
10095         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
10096         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
10097         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
10098         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
10099         Macroize from existing patterns; use ix86_binary_operator_ok.
10100         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
10101         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
10102         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
10103         with vec_select+vec_concat.
10104         (mmx_pshufw, mmx_pshufw_1): Likewise.
10105         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
10106         (mmx_uavgv4hi3): Model correctly.
10107         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
10108         _mm_xor_si64): Remove casts.
10109
10110 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
10111
10112         PR tree-optimization/19224
10113         * tree-scalar-evolution.c (get_instantiated_value,
10114         set_instantiated_value): New functions.
10115         (instantiate_parameters_1): Cache the results.
10116         (instantiate_parameters, resolve_mixers): Initialize and free
10117         the cache.
10118
10119 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
10120
10121         * config/i386/i386.md (addhi_4): Correct reference in comment.
10122         (addqi_4): Same.
10123
10124 2005-01-08  Richard Henderson  <rth@redhat.com>
10125
10126         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
10127         (_mm_cvtsi128_si64x): Likewise.
10128         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
10129         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
10130         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
10131         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
10132         * config/i386/i386-protos.h: Update.
10133         * config/i386/i386.c (print_operand): Add 'H'.
10134         (ix86_fixup_binary_operands): Split out from ...
10135         (ix86_expand_binary_operator): ... here.
10136         (ix86_fixup_binary_operands_no_copy): New.
10137         (ix86_expand_fp_absneg_operator): Handle vector mode results.
10138         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
10139         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
10140         (safe_vector_operand): Use CONST0_RTX.
10141         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
10142         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
10143         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
10144         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
10145         special cases.
10146         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
10147         (IX86_BUILTIN_CMPNGESS): New.
10148         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
10149         (attr type): Add sselog1.
10150         (attr unit, attr memory): Handle it.
10151         (movti, movti_internal, movti_rex64): Move near other integer moves.
10152         (movtf, movtf_internal): Move near other fp moves.
10153         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
10154         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
10155         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
10156         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
10157         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
10158         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
10159         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
10160         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
10161         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
10162         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
10163         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
10164         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
10165         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
10166         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
10167         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
10168         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
10169         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
10170         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
10171         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
10172         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
10173         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
10174         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
10175         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
10176         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
10177         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
10178         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
10179         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
10180         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
10181         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
10182         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
10183         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
10184         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
10185         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
10186         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
10187         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
10188         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
10189         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
10190         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
10191         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
10192         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
10193         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
10194         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
10195         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
10196         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
10197         same time.
10198         (SSEPUSH, push<SSEPUSH>): Remove.
10199         (MMXPUSH, push<MMXPUSH>): Remove.
10200         (sse_movaps, sse_movaps_1, sse_movups): Remove.
10201         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
10202         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
10203         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
10204         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
10205         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
10206         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
10207         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
10208         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
10209         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
10210         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
10211         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
10212         (ppro_sse_log_V4SF): Handle sselog1.
10213         * config/i386/predicates.md (const_0_to_1_operand): New.
10214         (const_0_to_255_mul_8_operand): New.
10215         (const_1_to_31_operand): Rename from const_int_1_31_operand.
10216         (const_2_to_3_operand, const_4_to_7_operand): New.
10217         * config/i386/sse.md: New file.
10218         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
10219         (sse_movups): Rename from sse_movups_1.
10220         (sse_loadlss): Rename from sse_loadss_1.
10221         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
10222         from the name.
10223         (negv4sf2): Use ix86_expand_fp_absneg_operator.
10224         (absv4sf2, negv2df, absv2df): New.
10225         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
10226         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
10227         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
10228         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
10229         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
10230         (sse3_addsubv4sf3): Model correctly.
10231         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
10232         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
10233         (sse_movhlps): Model with vec_select+vec_concat.
10234         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
10235         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
10236         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
10237         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
10238         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
10239         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
10240         sse2_pshufhw_1): Likewise.
10241         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
10242         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
10243         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
10244         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
10245         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
10246         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
10247         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
10248         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
10249         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
10250         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
10251         sminv8hi3): Mark commutative
10252         operands.  Use ix86_binary_operator_ok.
10253         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
10254         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
10255         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
10256         sse2_punpcklqdq): Allow operand2 in memory.
10257         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
10258         sse2_movsd): Add memory alternatives.
10259         (sse_storelps): Turn expander into an insn; split after reload.
10260         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
10261         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
10262
10263 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10264
10265         * configure.ac (DWARF-2 debug_line): Use objdump.
10266         * configure: Regenerate.
10267
10268 2005-01-08  Jeff Law  <law@redhat.com>
10269             Diego Novillo  <dnovillo@redhat.com>
10270
10271         PR tree-optimization/18241
10272         * tree-nrv.c (tree_nrv): Ignore volatile return values.
10273         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
10274         statements with volatile operands.
10275         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
10276         operands after marking a statement with has_volatile_ops.
10277
10278 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10279
10280         * tree.c (int_fits_type_p): Always honor integer constant
10281         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
10282
10283 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10284
10285         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
10286         the latent bug in rtl_delete_block has been resolved.
10287
10288 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10289
10290         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
10291         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
10292
10293 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10294
10295         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
10296         library as @multilib_dir@/$(SHLIB_SONAME).
10297
10298 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10299
10300         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
10301         * configure: Regenerate.
10302
10303 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10304
10305         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
10306         TYPE_MODE.
10307
10308 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
10309
10310         PR target/13674
10311         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
10312         Convert non-word aligned offset address using ld/std into
10313         indirect address.
10314
10315 2005-01-07  Richard Henderson  <rth@redhat.com>
10316
10317         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
10318
10319 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
10320
10321         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
10322
10323 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10324
10325         PR tree-optimization/19283
10326         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
10327         is not shorter than the original type.
10328
10329         PR rtl-optimization/19012
10330         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
10331
10332         PR rtl-optimization/18861
10333         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
10334         (FULL_STATE): Define.
10335         (mark_tablejump_edge): New function.
10336         (purge_dead_tablejump_edges): New function.
10337         (find_bb_boundaries): Use it.
10338
10339         PR tree-optimization/18828
10340         * builtins.c (expand_builtin_next_arg): Remove argument and all
10341         the argument checking.
10342         (expand_builtin): Adjust caller.
10343         (expand_builtin_va_start): Likewise.  Remove error for too many
10344         arguments.
10345         (fold_builtin_next_arg): Issue error for too many arguments.
10346         After checking arguments, replace them with magic arguments that
10347         prevent further checking of the args.
10348
10349 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10350
10351         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
10352
10353 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10354
10355         PR target/6077
10356         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
10357         and %{.S:...} (and their negative variants) to test whether the
10358         input file is assembler or pre-processed-assembler independent of
10359         the actual filename extension.
10360
10361 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10362
10363         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
10364         of sign or zero extended values.
10365
10366 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
10367
10368         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
10369         for IBM long double format correctly.
10370
10371 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
10372
10373         Fix PR tree-optimization/18792
10374
10375         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
10376         to first_loop_depth, and use loop depth instead of loop number.
10377         (build_classic_dir_vector): Ditto.
10378         (compute_data_dependences_for_loop): Use depth, not loop number.
10379         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
10380         number. Pass in loops, instead of loop numbers.
10381         (gather_interchange_stats): Ditto.
10382         (linear_transform_loops): Ditto.
10383
10384 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
10385
10386         PR rtl-opt/13299
10387         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
10388         biv_fits_mode_p, extension_within_bounds_p): New functions.
10389         (check_ext_dependent_givs): Use them.
10390
10391 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10392
10393         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
10394         more than one barrier, in which case we should delete them all.
10395
10396 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
10397
10398         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
10399
10400 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
10401
10402         Fix PR middle-end/19286
10403         Fix PR debug/19267
10404         * dwarf2out.c (gen_subprogram_die): If we've already tried to
10405         output this subprogram, simply ignore this attempt to do it again.
10406         (add_abstract_origin_attribute): Don't abort trying to add the abstract
10407         origin attribute if it's not possible.
10408         (gen_block_die): Don't ignore subblocks of "unused" blocks.
10409         (decls_for_scope): Ditto.
10410         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
10411         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
10412
10413 2005-01-05  Richard Henderson  <rth@redhat.com>
10414
10415         PR target/11327
10416         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
10417         (bdesc_2arg): Use it.
10418         (ix86_expand_binop_builtin): Force operands into registers
10419         when optimizing.
10420         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
10421         ix86_expand_sse_compare, ix86_expand_sse_comi,
10422         ix86_expand_builtin): Likewise.
10423
10424 2005-01-05  Richard Henderson  <rth@redhat.com>
10425
10426         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
10427         and VEC_SELECT.
10428         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
10429         (mulv4hi3): Set itanium_class mmmul.
10430         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
10431         (fpack): Rename from fpack_sfsf.
10432
10433 2005-01-05  Richard Henderson  <rth@redhat.com>
10434
10435         PR rtl-opt/10692
10436         * reload1.c (do_input_reload): Restrict the optimization deleteing
10437         a previous output reload to RELOAD_FOR_INPUT.
10438
10439 2005-01-05  Steven Bosscher  <stevenb@suse.de>
10440
10441         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
10442         comment that we fall through after case.
10443         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
10444         (distribute_links): Likewise.
10445         * cse.c (cse_insn): Likewise.
10446         * cselib.c (cselib_invalidate_mem): Likewise.
10447         * df.c: Update comments at the top of the file.
10448         (read_modify_subreg_p): Update comments here too.
10449         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
10450         * flow.c (mark_set_1): Likewise.
10451         (mark_used_regs): Likewise.
10452         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10453         (canon_list_insert): Likewise.
10454         (mark_set): Likewise.
10455         (try_replace_reg): Likewise.
10456         (store_killed_in_insn): Likewise.
10457         * loop.c (count_one_set): Likewise.
10458         (basic_induction_var): Likewise.
10459         * postreload-gcse.c (find_mem_conflicts): Likewise.
10460         * postreload.c (reload_combine_note_store): Likewise.
10461         (move2add_note_store): Likewise.
10462         * reload.c (find_equiv_reg): Likewise.
10463         (mark_referenced_resources): Likewise.
10464         * rtlanal.c (set_noop_p): Likewise.
10465         (note_stores): Likewise.
10466         (note_uses): Likewise.
10467         * sched-deps.c (sched_analyze_1): Likewise.
10468         * sched-rgn.c (check_live_1): Likewise.
10469         (update_live_1): Likewise.
10470         * config/i860/i860.c: Likewise.
10471
10472         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
10473         an lvalue.
10474         (ZERO_EXTRACT): Mention that this one can be an lvalue.
10475
10476         * doc/rtl.texi: Update documentation for bit-fields and SET.
10477
10478 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10479
10480         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
10481
10482 2005-01-05  Jan Hubicka  <jh@suse.cz>
10483             Richard Henderson  <rth@redhat.com>
10484
10485         PR target/18910
10486         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
10487         with an offset.
10488
10489 2005-01-05  Richard Henderson  <rth@redhat.com>
10490
10491         PR target/12902
10492         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
10493         (sse_shufps): Change operand 3 to const_int_operand.
10494         (sse2_storelps): Fix typo in template.
10495         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
10496         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
10497         (ix86_expand_builtin): Likewise.
10498
10499 2005-01-05  Julian Brown  <julian@codesourcery.com>
10500
10501         * config/arm/arm.c (arm_return_in_memory): Treat complex types
10502         as aggregates for AAPCS ABIs.
10503
10504 2005-01-05  Stan Shebs  <shebs@apple.com>
10505
10506         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
10507         Mach-O getters if ppc64.
10508         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
10509         size argument.
10510         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
10511         signed four-byte field for global code case.
10512         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
10513
10514 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10515
10516         PR middle-end/19100
10517         * c-common.c: Include real.h.
10518         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
10519         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
10520         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
10521         * Makefile.in (c-common.o): Update dependencies.
10522
10523 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10524
10525         * c-parse.in (asm_string): Add trailing semicolon.
10526
10527 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10528
10529         * c-parse.in (asm_string): New.  Don't allow wide strings in
10530         'asm'.
10531         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
10532         asm_string instead of STRING.
10533
10534 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10535
10536         * c-typeck.c (constructor_no_implicit): Remove.
10537         (set_designator, process_init_element): Don't check
10538         constructor_no_implicit.
10539
10540 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
10541             Kaz Kojima  <kkojima@gcc.gnu.org>
10542
10543         PR target/16482
10544         * lcm.c (create_pre_exit): New.
10545         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
10546         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
10547
10548 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10549
10550         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
10551         -msoft-float in target_float_switch.
10552         * arm.c (arm_override_options): Fix processing of target_float_switch.
10553
10554 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10555
10556         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
10557         preferencing.
10558
10559 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
10560
10561         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
10562         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
10563
10564 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10565
10566         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
10567         if deleting the then-block allows the test-block to fallthru to the
10568         else-block.
10569
10570 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
10571
10572         PR c/19152
10573         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
10574         after the full declaration if the are in two different TUs.
10575
10576 2005-01-04  Richard Henderson  <rth@redhat.com>
10577
10578         PR tree-opt/19158
10579         * tree-sra.c (generate_one_element_init): Just
10580         call gimplify_and_add.
10581         (generate_element_init): Record the
10582         new referenced variables and mark them for renaming
10583         and split out to ...
10584         (generate_element_init_1): This.
10585         (scalarize_init): Don't call push_gimplify_context/
10586         pop_gimplify_context.
10587
10588 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
10589
10590         * toplev.c (get_src_pwd): Handle failure of getpwd().
10591
10592 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10593
10594         * fold-const.c (fold_single_bit_test): Delete unreachable handling
10595         of TRUTH_NOT_EXPR.
10596         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
10597         all the cases handled by it are inverted by invert_truthvalue.
10598
10599 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10600
10601         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
10602         (save_register_windowsi): Likewise.
10603
10604 2005-01-04  Richard Henderson  <rth@redhat.com>
10605
10606         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
10607
10608 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10609
10610         PR middle-end/17767
10611         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
10612         any simplifications of vector mode comparison operators.
10613         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
10614
10615 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
10616             Devang Patel  <dpatel@apple.com>
10617
10618         PR tree-optimization/18308
10619         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
10620         the operands before creating a new expression.
10621         * dojump.c (do_jump): Make drop_through_label available
10622         for all cases.  Add expansion of COND_EXPR.
10623
10624 2005-01-04  Ira Rosen  <irar@il.ibm.com>
10625
10626         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
10627         INTEGER_CST instead of TREE_CONSTANT.
10628         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
10629         instead of TREE_CONSTANT.
10630         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
10631         instead of TREE_CONSTANT.
10632
10633 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10634
10635         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
10636
10637 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10638
10639         PR target/19240
10640         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
10641         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
10642
10643 2005-01-03  Richard Henderson  <rth@redhat.com>
10644
10645         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
10646         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
10647         fold_convert_const_real_from_real): Split out from ...
10648         (fold_convert_const): ... here.
10649
10650 2005-01-03  Richard Henderson  <rth@redhat.com>
10651
10652         PR target/19235
10653         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
10654         (mov<MMXMODEI>_internal): Likewise.
10655         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
10656         Add V2SF case; use it for SSE1; don't use TI.
10657         (movdf_integer): Likewise.
10658         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
10659
10660 2005-01-03  Ira Rosen  <irar@il.ibm.com>
10661
10662         * tree-vectorizer.c (vect_strip_conversions): New function.
10663         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
10664         check for binary class.
10665
10666 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
10667
10668         Fix PR debug/17924
10669         Fix PR debug/19191
10670         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
10671         is a decl.
10672         * gimple-low.c (mark_blocks_with_used_vars): New function.
10673         (mark_blocks_with_used_subblocks): Ditto.
10674         (mark_used_blocks): Ditto.
10675         (pass_mark_used_blocks): New pass.
10676         * tree-inline.c: Include debug.h.
10677         (expand_call_inline): Call outlining_inline_function here.
10678         * tree-optimize.c (init_tree_optimization_passes): Add
10679         pass_mark_used_blocks.
10680         * tree-pass.h (pass_mark_used_blocks): New.
10681         * Makefile.in (tree-inline.o): Add debug.h dependency.
10682
10683 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
10684
10685         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
10686         VAR_DECLs to have weak_import attribute.
10687
10688         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
10689         'struct ucontext'.
10690
10691 2004-01-03  Steven Bosscher  <stevenb@suse.de>
10692
10693         * passes.c (rest_of_compilation): Don't run regmove if only
10694         flag_expensive_optimizations, require flag_regmove instead.
10695
10696 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10697
10698         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
10699         register "sparc".
10700         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
10701         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10702         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
10703         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10704
10705 2005-01-03  Richard Henderson  <rth@redhat.com>
10706
10707         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
10708         (ia64_const_ok_for_letter_p): New.
10709         (ia64_const_double_ok_for_letter_p): New.
10710         (ia64_extra_constraint): New.
10711         (ia64_expand_vecint_compare): New.
10712         (ia64_expand_vcondu_v2si): New.
10713         (ia64_expand_vecint_cmov): New.
10714         (ia64_expand_vecint_minmax): New.
10715         (ia64_print_operand): Add 'v'.
10716         (ia64_preferred_reload_class): New.
10717         (ia64_vector_mode_supported_p): New.
10718         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
10719         (PREFERRED_RELOAD_CLASS): Move to function.
10720         (CONST_OK_FOR_LETTER_P): Move to function.
10721         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
10722         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
10723         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
10724         (EXTRA_CONSTRAINT): Move to function.
10725         * config/ia64/ia64.md: Include vect.md.
10726         (itanium_class): Add mmalua.
10727         (type): Handle it.
10728         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
10729         (1b_mmalua): New.
10730         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
10731         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
10732         CONST0_RTX.
10733         (const_int_2bit_operand): New.
10734         (fr_reg_or_0_operand): New.
10735         * config/ia64/ia64-modes.def: Add vector modes.
10736         * config/ia64/ia64-protos.h: Update.
10737         * config/ia64/vect.md: New file.
10738
10739 2005-01-03  Richard Henderson  <rth@redhat.com>
10740
10741         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
10742
10743 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10744
10745         PR target/19236
10746         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10747         to SFmode.
10748         (log1pdf2): Change mode of operands[0,1] to DFmode.
10749
10750 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10751
10752         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10753         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10754         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10755         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10756         SPARC_RELAXED_ORDERING.
10757
10758 2005-01-03  Richard Henderson  <rth@redhat.com>
10759             Uros Bizjak  <uros@kss-loka.si>
10760
10761         PR target/14631
10762         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10763         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10764         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10765         handling.
10766         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10767         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10768         const_pow2_1_to_128_operand): New predicates.
10769
10770 2005-01-02  Greg McGary  <greg@mcgary.org>
10771
10772         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10773         anonymous decls.
10774         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10775         object.  [ptr_type]: Remove unused variable.
10776         Remember nearest addressable array-element or record-component
10777         when checking bitfield components.  Tolerate empty BIND_EXPR.
10778
10779 2005-01-01  Richard Henderson  <rth@redhat.com>
10780
10781         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10782         that don't narrow the value.  Fail for other conversions.
10783
10784 2005-01-01  Richard Henderson  <rth@redhat.com>
10785
10786         PR c/19031
10787         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10788         * c-lang.c (finish_file): Don't do it here.
10789         * objc/objc-act.c (objc_finish_file): Likewise.
10790
10791         * cgraph.c (decl_assembler_name_equal): New.
10792         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10793         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10794         * cgraph.h (struct cgraph_varpool_node): Add next.
10795         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10796         * varasm.c (assemble_alias): Mark the target as needed.
10797
10798 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10799
10800         PR middle-end/19221
10801         * function.c (get_arg_pointer_save_area): Use entry_of_function
10802         instead of get_insns.
10803
10804 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10805             Andrew Pinski  <pinskia@physics.uc.edu>
10806             James E. Wilson  <wilson@specifixinc.com>
10807
10808         PR rtl-optimization/12092
10809         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10810         is zero.
10811
10812 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10813             Olivier Hainque  <hainque@act-europe.fr>
10814
10815         * tree.c (int_fits_type_p): A narrower type always fits in a
10816         wider one, except for negative values into unsigned types.
10817
10818 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10819
10820         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10821         with the original constant rather than require TREE_OVERFLOW.
10822
10823 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10824
10825         PR middle-end/17544
10826         * c-decl.c (finish_function): If compiling C99, annotate the
10827         compiler generated return with the current file name and line 0.
10828         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10829         the source line is greater than 0.
10830         (remove_bb): Likewise.