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PR rtl-optimization/20466
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2
3         PR rtl-optimization/20466
4         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5         for overlap of the address of each list member.
6         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7
8 2005-04-08  Mike Stump  <mrs@apple.com>
9
10         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
11
12 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
13
14         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
15
16         * function.c (push_function_context_to): Don't set
17         contains_functions.
18         * function.h (function): Remove contains_functions.
19         (current_function_contains_functions): Remove.
20
21         * function.h (function): Remove instrument_entry_exit.
22         (current_function_instrument_entry_exit): Remove.
23
24         * function.h (nonlocal_labels): Remove.
25
26         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
27
28         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
29         (check_attr_value, write_attr_get, write_expr_attr_cache,
30         find_attr, make_internal_attr): Don't reference negative_ok or
31         unsigned_p.
32         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
33         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
34         (ATTR_STATIC): Adjust the value.
35
36         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
37
38 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
39
40         * config/s390/tpf.h (ASM_SPEC): Define.
41
42 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
43
44         * tree-flow.h: Remove the prototype for
45         redirect_immediate_uses.
46         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
47
48 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
49
50         * arm.c (arm_const_double_by_parts): New function.
51         * arm-protos.h (arm_const_double_by_parts): Add prototype.
52         * arm.md (define_split for 64-bit constants): Add another one.
53
54 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
55
56         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
57
58 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
59
60         * system.h: Revert last change.
61
62 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
63
64         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
65         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
66         (TARGET_SWITCHES): Delete.
67         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
68         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
69         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
70         * config/xtensa/xtensa.opt: New file.
71
72 2005-04-08  Ben Elliston  <bje@au.ibm.com>
73
74         * config/fp-bit.c: Include L_mul_tf in #endif comment.
75         * config/fp-bit.h: Tidy comments.
76
77 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
78
79         * system.h: Poison PARAMS.
80
81 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
82
83         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
84         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
85         (TARGET_SWITCHES): Delete.
86         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
87         * config/vax/vax.opt: New file.
88
89 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
90
91         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
92
93 2005-04-07  Ian Lance Taylor  <ian@airs.com>
94
95         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
96         define.
97         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
98         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
99         Likewise.
100
101 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
102
103         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
104         all immediate uses in PHI nodes.
105
106 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
107
108         * arm.c (arm_const_double_inline_cost): Handle any constant by
109         using gen_lowpart and gen_highpart_mode.
110         (note_invalid_constants): All constants in an RTX with a constraint
111         that permits memory are now pushed to the constant pool.
112         (output_move_double): Delete code to handle reg to reg and 
113         constant to reg moves.
114         (const_double_needs_minipool, output_mov_immediate): Delete.
115         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
116         CONST_INT and CONST_VECTOR.
117         * arm.md (ANY64): New mode macro.
118         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
119         (movdf_soft_insn): Split reg-reg and const-reg moves.
120         (split patterns for 64-bit constant and register moves): New.
121         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
122         (cirrus_movdf_hard_insn): Likewise.
123         * fpa.md (movdf_fpa): Likewise.
124         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
125         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
126         constraints.
127         (movv2si_internal_2): Likewise.
128         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
129         (movdf_vfp): Likewise.
130         * arm-protos.h (output_mov_immediate): Delete prototype.
131
132 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
133
134         PR target/20093
135         * simplify-rtx.c (simplify_unary_operation_1): Check
136         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
137
138 2005-04-06  James E Wilson  <wilson@specifixinc.com>
139
140         PR target/20717
141         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
142         ADDR_EXPR.
143
144 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
145
146         * coverage.h (GCOV_TYPE_NODE): Delete.
147         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
148         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
149         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
150         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
151         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
152
153 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
154
155         PR other/20792
156         * Makefile.in (gcc.pot): Remove options.c dependency.
157         * optc-gen.awk: Don't quote help strings with N_().
158
159 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
160
161         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
162         the function returns a pointer type.
163
164 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
165
166         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
167         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
168         * doc/invoke.texi: Documnet salias-max-implicit-fields.
169         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
170         explicit_uses members.
171         (get_or_create_used_part_for): Initialize new fields.
172         (fieldoff_compare): New function.
173         (create_overlap_variables_for): Count number of fields, use
174         heuristic to determine whether to create subvars for vars with
175         only implicit uses.
176         Sort the field list by offset and avoid creating duplicate SFT's.
177
178 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
179
180         * c.opt (-F): Remove trailing whitespace from help string.
181         (-finput-charset): Use a tab to separate the switch name and help
182         string.
183         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
184         (-ftree-vectorizer-verbose): Likewise.
185
186 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
187
188         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
189         a PHI argument where a use occurs instead of all PHI arguments.
190
191 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
192
193         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
194         scope.
195
196 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
197
198         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
199         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
200         config/bfin/bfin.h: Fix comment typos.
201
202 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
203
204         * doc/install.texi: Update the URL for Jacks.
205         * doc/sourcebuild.texi: Likewise.
206
207 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
208
209         PR target/17245
210         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
211         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
212
213 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
214
215         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
216
217 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
218
219         * config/v850/v850-protos.h (override_options): Delete.
220         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
221         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
222         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
223         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
224         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
225         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
226         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
227         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
228         (OVERRIDE_OPTIONS): Delete.
229         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
230         (small_memory_info): Remove the value field.
231         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
232         TARGET_NO_APP_REGS.
233         * config/v850/v850.c (small_memory): Remove the value field.
234         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
235         (override_options): Delete.
236         (v850_handle_memory_option, v850_handle_option): New functions.
237         * config/v850/v850.opt: New file.
238
239 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
240
241         * config.host: Add a section for generic hosts, and a subsection
242         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
243         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
244         * config/host-darwin.h: New.
245         * config/x-darwin: New.
246         * config/i386/host-i386-darwin.c: New.
247         * config/i386/x-darwin: New.
248         * config/rs6000/host-darwin.c: Include host-darwin.h.
249         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
250         (darwin_rs6000_gt_pch_use_address): Likewise.
251         * config/rs6000/x-darwin: Change name of .o built, update
252         dependencies for changes to rs6000/host-darwin.c.
253
254 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
255
256         PR target/17824
257         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
258
259 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
260
261         * tree-vect-analyze.c (vect_analyze_loop_form): Call
262         split_loop_exit_edge instead of loop_split_edge_with. 
263
264 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
265
266         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
267         UNSPEC_SET_VSCR): New constants, used throughout.
268         (*andc3_v4sf): New.
269         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
270         Replace with...
271         (altivec_vspltis<VI_char>): ... this pattern, using
272         a QImode const_int_operand for the immediate.
273         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
274         define_expands.
275
276 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
277
278         PR target/17822
279         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
280
281 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
282
283         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
284
285 2005-04-06  Ben Elliston  <bje@au.ibm.com>
286
287         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
288         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
289         macros as living in "this file" and not gcc.h.
290
291 2005-04-06  Ben Elliston  <bje@au.ibm.com>
292
293         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
294         -ftree-live_range_split.  Perhaps renamed at some point?
295
296 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
297
298         PR target/20625
299         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
300         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
301
302 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
303
304         * tree-flow.h (number_of_iterations_cond): Declaration removed.
305         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
306         (number_of_iterations_special): New function.
307         (number_of_iterations_exit): Use number_of_iterations_special.
308         Use simplify_using_outer_evolutions only at -O3.
309         (number_of_iterations_cond, tree_simplify_using_condition,
310         simplify_using_initial_conditions, loop_niter_by_eval,
311         compare_trees, can_count_iv_in_wider_type_bound,
312         simplify_using_outer_evolutions): Use fold_build.
313
314 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
315
316         * doc/install.texi (Configuration): Document --with-java-home.
317
318 2005-04-05  Richard Henderson  <rth@redhat.com>
319
320         PR target/20342
321         PR target/20447
322         * config/i386/i386.c (print_operand): Handle vector zeros.
323         (ix86_split_to_parts): Handle CONST_VECTOR.
324         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
325         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
326         what modes to tie for MMX and SSE registers.
327         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
328         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
329         to vector modes as well.
330         * config/i386/predicates.md (const0_operand): Handle VOIDmode
331         properly as an input mode.
332
333 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
334
335         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
336
337 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
338
339         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
340
341 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
342
343         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
344         and local functions, set sse_nregs to 8 and float_in_sse.
345         (function_arg_advance, function_arg): If float_in_sse, pass
346         SFmode and DFmode arguments in SSE registers.
347         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
348
349         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
350         of -funit-at-a-time.
351
352 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
353
354         * config/i386/i386-protos.h (ix86_function_value): Accept two
355         arguments, like the target macro.
356         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
357         * config/i386/i386.c (ix86_function_value): Accept the second
358         argument of the target macro.
359         (ix86_function_ok_for_sibcall): Pass a function pointer to
360         ix86_function_value.
361         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
362         call to ix86_value_regno).
363         (ix86_value_regno): Add support for returning floating point values
364         in SSE registers.
365
366 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
367
368         PR tree-optimization/20076
369         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
370         that call __builtin_return or __builtin_apply_args.
371
372 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
373
374         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
375         Use immediate use iterator.
376         (stmt_is_bumper_for_loop): Use immediate use iterator.
377         * predict.c (strip_builtin_expect): Use update_stmt.
378         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
379         on all elements of a STATEMENT_LIST.
380         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
381         (bsi_remove): Remove imm_use links and mark the stmt as modified.
382         (bsi_replace): Mark stmt as modified and the update it.
383         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
384         (expand_complex_libcal): Call update_stmt.
385         (expand_complex_comparison): Call mark_stmt_modified.
386         (expand_complex_operations_1): Call update_stmt_if_modified.
387         (expand_vector_operations_1): Call mark_stmt_modified.
388         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
389         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
390         add_immediate_use, redirect_immediate_use,
391         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
392         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
393         (mark_new_vars_to_rename): Call update_stmt.
394         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
395         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
396         Ignore PHI nodes.
397         (unmodify_stmt): Delete.
398         (update_stmt): New.  Force an update of a stmt.
399         (update_stmt_if_modified): update a stmt if it is out of date.
400         (get_stmt_operands): Verify stmt is NOT modified. 
401         (stmt_modified_p): Update comment.
402         (delink_imm_use): Remove a use node from its immuse list.
403         (link_imm_use_to_list): Link a use node to a specific list.
404         (link_imm_use): Link a node to the correct list.
405         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
406         it in the correct list, if appropriate.
407         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
408         (relink_imm_use): Link a use node in place of another node in a list.
409         (relink_imm_use_stmt): LInk a node in place of another node, and set
410         the stmt pointer.
411         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
412         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
413         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
414         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
415         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
416         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
417         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
418         (has_zero_uses): New.  Return true if there are no uses of a var.
419         (has_single_use): New.  Return true if there is only a single use of a
420         variable.
421         (single_imm_use): New.  Return the simgle immediate use.
422         (num_imm_uses): New.  Return the number of immediate uses.
423         (get_v_must_def_ops): Use is now a pointer.
424         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
425         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
426         the use node.
427         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
428         (delink_stmt_imm_use): Delink all immuses from a stmt.
429         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
430         * tree-flow.h (struct dataflow_d): Delete.
431         (immediate_use_iterator_d): New.  Immediate use iterator struct.
432         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
433         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
434         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
435         iteration.
436         (struct stmt_ann_d): Remove dataflow_t from struct.
437         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
438         (if_convertible_phi_p): Use FAST immuse iterator.
439         (if_convertible_loop_p): Don't call compute_immediate_uses.
440         (replace_phi_with_cond_modify_expr): Call update_stmt.
441         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
442         update_stmt_if_modified.
443         (rewrite_all_into_ssa): Initialize ssa operands.
444         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
445         compute_immediate_uses.
446         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
447         ssa_property is available.
448         (execute_one_pass):  Change parameters passed to execute_todo.
449         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
450         (remove_ssa_form): Call fini_ssa_operands.
451         (insert_backedge_copies): Delete call to modify_stmt.
452         * tree-phinodes.c (make_phi_node): Initialize use nodes.
453         (release_phi_node): Delink any use nodes before releasing.
454         (resize_phi_node): Relink any use nodes.
455         (remove_phi_arg_num): Delink the use node.
456         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
457         (remove_all_phi_nodes_for): Release phi node first.
458         * tree-pretty-print.c (dump_generic_node): Print stmt address.
459         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
460         (scalarize_use, scalarize_copy): Call update_stmt.
461         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
462         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
463         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
464         (ccp_initialize): Remove call to compute_immediate_uses.
465         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
466         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
467         stmts.
468         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
469         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
470         (eliminate_redundant_computations): Call mark_stmt_modified.
471         (cprop_operand): Call mark_stmt_modified.
472         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
473         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
474         (dse_optimize_stmt): Use new immuse interface.
475         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
476         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
477         (substitute_single_use_vars): Use new immuse interface.
478         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
479         and compute_immediate_uses.
480         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
481         interface.
482         (rewrite_mem_refs): Call update_stmt.
483         (determine_lsm): Remove call to compute_imm_uses and free_df.
484         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
485         (try_unroll_loop_completely): Call update_stmt.
486         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
487         (rewrite_use_compare): Call update_stmt.
488         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
489         (rewrite_use) : Call update_stmt.
490         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
491         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
492         update_stmt.
493         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
494         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
495         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
496         use nodes.
497         (initialize_vuse_operand): New.  Initialize a vuse operand.
498         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
499         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
500         (finalize_ssa_defs): Use stmt parameter.
501         (correct_use_link): Ensure a use node is in the correct list, and has
502         the correct stmt pointer.
503         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
504         finalize_ssa_v_must_defs): Also initialize use nodes.
505         (finalize_ssa_stmt_operands): Pass extra stmt operands.
506         (build_ssa_operands): Seperate parsing from final operand construction.
507         (parse_ssa_operands): New.  Parse entry point for operand building.
508         (swap_tree_operands): New.  Swap 2 tree operands.
509         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
510         operands.
511         (get_expr_operands): Call swap_tree_operands when needed.
512         (copy_virtual_operands): Use initialize routines for virtual use ops.
513         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
514         (verify_abort): New.  Issue imm_use error.
515         (verify_imm_links): New Verify imm_use links for a var.
516         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
517         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
518         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
519         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
520         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
521         (NULL_USE_OPERAND_P) Define.
522         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
523         use node.
524         (struct vuse_operand_type): New struct.
525         (SET_USE): Call set_ssa_use_from_ptr.
526         (USE_STMT): Define.
527         (PHI_ARG_INDEX_FROM_USE): Define.
528         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
529         argument via SET_USE, not PHI_ARG_DEF_TREE.
530         * tree-ssa-pre.c (eliminate): Call update_stmt.
531         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
532         call free_df.
533         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
534         (nearest_common_dominator_of_uses): Use imm_use iterator.
535         (statement_sink_location): Use imm_use iterator and interface.
536         (execute_sink_code): Don't call compute_immediate_uses or free-df.
537         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
538         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
539         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
540         (verify_ssa): Ensure no stmt is marked modify after optimization pass
541         if new parameter is true.
542         (init_tree_ssa): Don't initialize operand cache here.
543         (delete_tree_ssa): Don't destroy operand cache here.
544         (propagate_into_addr): Pass in a use pointer, return true if anything
545         was changed.
546         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
547         (check_phi_redundancy): Use imm_use iterator.
548         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
549         free_df.
550         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
551         (release_ssa_name): Delink node and all elements in its imm_use list.
552         * tree-tailcall.c (adjust_return_value): Call update_stmt.
553         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
554         * tree-vectorizer.c (need_imm_uses_for): Delete.
555         (vectorize_loops): Dont call compute_immediate_uses or free_df.
556         * tree.h (struct ssa_imm_use_d): Define.
557         (SSA_NAME_IMM_USE_NODE): Define.
558         (struct tree_ssa_name): Add imm_use node.
559         (PHI_DF): Delete.
560         (PHI_ARG_IMM_USE_NODE): Define.
561         (struct phi_arg_d): Add imm_use node.
562         (struct tree_phi_node): Remove struct dataflow_d element.
563         (TDF_STMTADDR): Define.
564
565 2005-04-05  Dale Johannesen  <dalej@apple.com>
566
567         * doc/invoke.texi (Optimization Options):  Remove
568         duplicate -fcse-follow-jumps.  Add -fweb.
569         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
570         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
571
572 2005-04-05  Per Bothner  <per@bothner.com>
573
574         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
575         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
576         (warn_uninit): Get EXPR_LOCUS from context now instead.
577         This fixes a USE_MAPPED_LOCATION testsuite failure.
578
579         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
580
581 2005-04-05  Per Bothner  <per@bothner.com>
582
583         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
584         of the artification 'return 0' in main() to BUILTINS_LOCATION.
585         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
586         before warning. 
587
588 2004-04-05  Devang Patel  <dpatel@apple.com>
589
590         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
591         (lhsr<mode>3): ... new name.
592         (altivec_vsra<VI_char>): Rename to ..
593         (ashr<mode>3): ... new name.
594         * config/rs6000/rs6000.c (builtin_description): Rename shift
595         operations.
596         
597 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
598
599         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
600         gen_lowpart_for_combine.
601         * cse.c (gen_lowpart_if_possible): Move...
602         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
603         gen_lowpart_SUBREG.
604         (gen_lowpart_no_emit_general): Use it.
605
606 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
607
608         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
609         overriding.
610
611 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
612
613         * system.h: Fix typo.
614
615 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
616
617         * config/bfin/bfin-modes.def: New file.
618         * config/bfin/bfin-protos.h: New file.
619         * config/bfin/bfin.c: New file.
620         * config/bfin/bfin.h: New file.
621         * config/bfin/bfin.md: New file.
622         * config/bfin/bfin.opt: New file.
623         * config/bfin/crti.s: New file.
624         * config/bfin/crtn.s: New file.
625         * config/bfin/elf.h: New file.
626         * config/bfin/lib1funcs.asm: New file.
627         * config/bfin/predicates.md: New file.
628         * config/bfin/t-bfin: New file.
629         * config/bfin/t-bfin-elf: New file.
630         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
631         Document new attributes.
632         (interrupt, interrupt_handler, saveall): Update documentation for
633         these attributes.
634         * doc/install.texi (Specific): Add entry for the Blackfin.
635         * doc/invoke.texi (Blackfin Options): New section.
636         * doc/md.texi (Blackfin family): New section to document constraints.
637         * config.gcc: Add bfin*-* and bfin*-elf configurations.
638
639 2005-04-05  Olivier Hainque  <hainque@adacore.com>
640         
641         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
642         match what the system unwinder expects.
643         * config/mips/mips.c (mips_frame_set): If we're saving the return
644         address register and the dwarf return address column number differs
645         from the hard register number, adjust the note reg to refer to the
646         former.
647
648 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
649
650         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
651         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
652         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
653         (processor_type): New enum.
654         (mn10300_processor): New variable.
655         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
656         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
657         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
658         (PROCESSOR_DEFAULT): New macro.
659         * config/mn10300/mn10300.c (mn10300_processor): New variable.
660         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
661         (mn10300_handle_option, mn10300_override_options): New functions.
662         * config/mn10300/mn10300.opt: New file.
663
664 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
665             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
666
667         PR tree-optimization/19903
668         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
669         that don't fit in their type after conversion.
670
671 2005-04-05 Uros Bizjak <uros@kss-loka.si>
672
673         PR target/20421
674         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
675         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
676         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
677         flag here. Implement using define_insn_and_split.  
678         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
679         (frndintxf2_mask_pm_i387): New insn patterns.
680         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
681         Do not set ix86_optimize_mode_switching flag.
682         (ceilsf2, ceildf2, ceilxf2): Same.
683         (btruncsf2, btruncdf2, btruncxf2): Same.
684         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
685
686 2005-04-05  Ian Lance Taylor  <ian@airs.com>
687
688         PR debug/9963
689         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
690         i386_pe_record_external_function.
691         (i386_pe_record_external_function): Update declaration.
692         * config/i386/winnt.c (struct extern_list): Add decl field.
693         (i386_pe_record_external_function): Add decl parameter.
694         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
695         identifier.
696         * config/i386/i386-protos.h (i386_pe_record_external_function):
697         Update declaration.
698
699 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
700
701         * config/m68k/m68k-protos.h: Add a prototype for
702         valid_dbcc_comparison_p_2.
703         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
704         extend_operator, const_uint32_operand, const_sint32_operand,
705         general_src_operand, nonimmediate_src_operand,
706         memory_src_operand, post_inc_operand, pre_dec_operand,
707         pcrel_address): Move to predicates to predicates.md.
708         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
709         * config/m68k/m68k.md: Include predicates.md.
710         * config/m68k/predicates.md: New.
711
712 2005-04-04  Roger Sayle  <roger@eyesopen.com>
713
714         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
715
716         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
717
718 2005-04-04  Ian Lance Taylor  <ian@airs.com>
719
720         * c-typeck.c (struct c_switch): Rename switch_stmt field to
721         switch_expr.
722         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
723         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
724         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
725         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
726         * c-common.c (c_do_switch_warnings_1): New static function broken
727         out of c_do_switch_warnings.
728         (c_do_switch_warnings): Call c_do_switch_warnings_1.
729         (c_do_switch_expr_warnings): New function.
730         * c-common.h (c_do_switch_expr_warnings): Declare.
731
732 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
733             Daniel Jacobowitz  <dan@codesourcery.com>
734
735         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
736         trapping divide.
737         * rtlanal.c (may_trap_p): Same.
738
739 2005-04-04  Dale Johannesen  <dalej@apple.com>
740
741         * ChangeLog:  remove reference to ChangeLog.12.
742
743 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
744
745         CRIS epilogue as RTL.
746         * config/cris/cris.md: Change all 0 in unspec 0 to
747         CRIS_UNSPEC_PLT.
748         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
749         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
750         patterns.
751         ("return"): Change to define_expand.  Call cris_expand_return for
752         actual expansion.
753         ("*return_expanded"): New pattern.
754         ("epilogue"): New define_expand.
755         * config/cris/cris.h (PREDICATE_CODES): Add
756         cris_load_multiple_op.
757         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
758         type.
759         (enum cris_retinsn_type): New.
760         (struct machine_function): New member return_type.
761         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
762         (cris_target_asm_function_epilogue): Remove, moving RTLified
763         contents to...
764         (cris_expand_epilogue): New function.
765         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
766         (cris_gen_movem_load, cris_load_multiple_op)
767         (cris_return_address_on_stack_for_return, cris_expand_return): New
768         functions.
769         (cris_target_asm_function_prologue)
770         (cris_initial_frame_pointer_offset): Call
771         cris_reg_saved_in_regsave_area instead of complicated expression.
772         Call cris_return_address_on_stack instead of an expression.
773         (cris_print_operand) <case 'o', case 'O'>: New cases.
774         (cris_return_address_on_stack): Change return-type to bool.
775         (cris_simple_epilogue): Ditto.  Return false if registers are
776         saved.
777         * config/cris/cris-protos.h (cris_simple_epilogue)
778         (cris_return_address_on_stack): Adjust prototype return type.
779         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
780         (cris_return_address_on_stack_for_return): New prototypes.
781
782 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
783
784         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
785         gpr_or_int12_operand.
786
787         * config/frv/frv-protos.h: Add a prototype to
788         frv_legitimate_memory_operand and frv_const_unspec_p.
789         (frv_unspec): Move from frv.c.
790         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
791         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
792         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
793         gpr_or_fpr_operand, gpr_or_int12_operand,
794         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
795         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
796         int6_operand, int5_operand, uint5_operand, uint4_operand,
797         uint1_operand, int_2word_operand, uint16_operand,
798         upper_int16_operand, integer_register_operand,
799         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
800         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
801         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
802         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
803         move_destination_operand, movcc_fp_destination_operand,
804         frv_function_symbol_referenced_p, move_source_operand,
805         condexec_dest_operand, condexec_source_operand,
806         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
807         const_unspec_operand, gpr_or_memory_operand,
808         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
809         icc_operand, fcc_operand, cc_operand, icr_operand,
810         fcr_operand, cr_operand, call_operand, sibcall_operand,
811         symbolic_operand, relational_operator,
812         integer_relational_operator, float_relational_operator,
813         ccr_eqne_operator, minmax_operator,
814         condexec_si_binary_operator, condexec_si_media_operator,
815         condexec_si_divide_operator, condexec_si_unary_operator,
816         condexec_sf_conv_operator, condexec_sf_add_operator,
817         condexec_memory_operand, intop_compare_operator, acc_operand,
818         even_acc_operand, quad_acc_operand, accg_operand: Move to
819         predicates.md.
820         * config/frv/frv.h (PREDICATE_CODES): Remove.
821         * config/frv/frv.md: Include predicates.md.
822         * config/frv/predicates.md: New.
823
824 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
825
826         PR target/19537
827         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
828         * tree-ssa-loop-ivopts.c: Include langhooks.h.
829         (add_standard_iv_candidates_for_size): New function, extracting code
830         from add_standard_iv_candidates and parameterizing it by type size.
831         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
832
833 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
834
835         * system.h (GCOV_SIZE_TYPE): Unposion.
836         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
837         (GCOV_TYPE_SIZE): ...this new macro.
838         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
839         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
840         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
841         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
842         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
843         instead of unsigned_intSI_type_node.
844         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
845         (rtl_gen_one_value_profiler_no_edge_manipulation)
846         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
847         * value-prof.c: Include coverage.h.
848
849 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
850             Diego Novillo <dnovillo@redhat.com>
851             
852         Fix PR tree-optimization/20703
853         Fix PR tree-optimization/20725
854         
855         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
856         (create_expression_by_pieces): Ditto.
857         (valid_in_set): Ditto. Also handle tcc_declaration.
858         (find_or_generate_expression): Handle comparison class.
859         (insert_into_preds_of_block): Ditto.
860         (insert_aux): Ditto.
861         (create_value_expr_from): Handle comparison class, recursively
862         handle reference nodes.
863         (compute_avail): Handle comparison classes, rewrite a little cleaner.
864         (execute_pre): Fix spacing.
865         (do_fre): Renamed to execute_fre.
866
867 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
868
869         * doc/invoke.texi (SPARC options): Document that
870         -mlittle-endian is not supported on Linux either.
871
872 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
873
874         PR target/4198
875         PR target/12027
876         * config.gcc (Obsolete configurations): Remove
877         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
878         (sparclite-*-coff*): Delete.
879         (sparclite-*-elf*): Likewise.
880         (sparc86x-*-elf*): Likewise.
881         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
882         * config/sparc/lite.h: Delete.
883         * config/sparc/litecoff.h: Likewise.
884         * config/sparc/liteelf.h: Likewise.
885         * config/sparc/sp86x-elf.h: Likewise.
886         * config/sparc/t-sparclite: Likewise.
887         * config/sparc/t-sp86x: Likewise.
888
889 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
890
891         * config/s390/s390-protos.h: (s390_comparison,
892         s390_alc_comparison, s390_slb_comparison, const0_operand,
893         consttable_operand, larl_operand, s_operand,
894         shift_count_operand, bras_sym_operand, load_multiple_operation,
895         store_multiple_operation, s390_plus_operand): Remove prototypes.
896         (s390_legitimate_address_without_index_p): New prototype.
897         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
898         to s390.h.
899         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
900         const0_operand, consttable_operand, larl_operand, s_operand,
901         shift_count_operand, bras_sym_operand, load_multiple_operation,
902         store_multiple_operation, s390_plus_operand): Move to
903         predicates.md.
904         (check_mode): Remove.
905         (s390_branch_condition_mask): Remove 'static'. Move prototype to
906         s390-protos.h.
907         (s390_legitimate_address_without_index_p): New.
908         * config/s390/s390.h (PREDICATE_CODES): Remove.
909         * config/s390/s390.md: Include predicates.md.
910         * config/s390/predicates.md: New.
911
912 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
913
914         PR target/20446
915         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
916         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
917         (NEED_INDICATE_EXEC_STACK): Define to 1.
918         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
919         (NEED_INDICATE_EXEC_STACK): Define to 1.
920         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
921         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
922         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
923         (pic_helper_emitted_p): New global.
924         (emit_pic_helper): New function extracted from...
925         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
926         Do not call emit_pic_helper if delay_pic_helper is true.
927         (sparc_expand_prologue): Pass 'false' to load_pic_register.
928         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
929         (sparc_file_end): New function.
930
931 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
932
933         * config/mcore/mcore-protos.h: Remove the prototypes for
934         mcore_arith_reg_operand, mcore_general_movsrc_operand,
935         mcore_general_movdst_operand, mcore_reload_operand,
936         mcore_arith_J_operand, mcore_arith_K_operand,
937         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
938         mcore_arith_K_S_operand, mcore_arith_imm_operand,
939         mcore_arith_any_imm_operand, mcore_arith_O_operand,
940         mcore_literal_K_operand, mcore_addsub_operand,
941         mcore_compare_operand, mcore_load_multiple_operation,
942         mcore_store_multiple_operation, mcore_call_address_operand.
943         Add a prototype for const_ok_for_mcore.
944         * config/mcore/mcore.c (mcore_call_address_operand,
945         mcore_general_movsrc_operand, mcore_general_movdst_operand,
946         mcore_arith_reg_operand, mcore_reload_operand,
947         mcore_arith_J_operand, mcore_arith_K_operand,
948         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
949         mcore_arith_M_operand, mcore_arith_imm_operand,
950         mcore_arith_any_imm_operand, mcore_arith_O_operand,
951         mcore_literal_K_operand, mcore_addsub_operand,
952         mcore_compare_operand, mcore_load_multiple_operation,
953         mcore_store_multiple_operation): Move to predicates.md.
954         (const_ok_for_mcore): Export.
955         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
956         * config/mcore/mcore.md: Include predicates.md.
957         * config/mcore/predicates.md: New.
958
959         * config/mcore/predicates.md: Fix a comment typo.
960
961 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
962             Adrian Straetling  <straetling@de.ibm.com>
963
964         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
965         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
966         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
967         attribute.
968         ("imul"): Removed from "type" attribute.
969         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
970         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
971         Changed type to imulsi.
972         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
973
974 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
975
976         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
977         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
978         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
979         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
980         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
981         (TARGET_SWITCHES, mcore_stack_increment_string)
982         (TARGET_OPTIONS): Delete.
983         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
984         than *_BIT constants.
985         (TARGET_8ALIGN): #undef old definition before redefining to 1.
986         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
987         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
988         (mcore_override_options): Delete mcore_stack_increment code.
989         Change use of M340_BIT to MASK_M340.
990         * config/mcore/mcore.opt: New file.
991
992 2005-04-04  Ian Lance Taylor  <ian@airs.com>
993
994         * config/arm/arm.c (replace_symbols_in_block): Remove static
995         function.
996
997 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
998
999         * config/fr30/fr30-protos.h: Remove the prototypes for
1000         stack_add_operand, add_immediate_operand,
1001         high_register_operand, low_register_operand, call_operand,
1002         di_operand, and nonimmediate_di_operand.
1003         * config/fr30/fr30.c (stack_add_operand,
1004         add_immediate_operand, high_register_operand,
1005         low_register_operand, call_operand, di_operand,
1006         nonimmediate_di_operand): Move to predicates.md.
1007         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
1008         * config/fr30/fr30.md: Include predicates.md.
1009         * config/fr30/predicates.md: New.
1010
1011         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
1012         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
1013         mcore_call_address_operand.
1014
1015         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
1016         general_movsrc_operand.
1017
1018 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
1019
1020         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
1021         after freeing.
1022
1023 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
1024
1025         PR target/14812
1026         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
1027         a negated value.
1028
1029 2005-04-04  Richard Henderson  <rth@redhat.com>
1030             Jakub Jelinek  <jakub@redhat.com>
1031
1032         PR rtl-optimization/16104
1033         * fold-const.c (fold_unary): Fix folding of vector conversions.
1034
1035 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1036
1037         * config.gcc (xstormy16-*-elf): Set extra_options.
1038         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
1039         * config/stormy16/stormy16.opt: New file.
1040
1041 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1042
1043         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
1044         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
1045         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
1046         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
1047         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
1048         (TARGET_UNIX_ASM): Delete.
1049         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
1050         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
1051         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
1052         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1053         * config/pdp11/pdp11.opt: New file.
1054
1055 2005-04-03  Roger Sayle  <roger@eyesopen.com>
1056             Alexandre Oliva  <aoliva@redhat.com>
1057
1058         PR c++/19199
1059         * fold-const.c (non_lvalue): Split tests into...
1060         (maybe_lvalue_p): New function.
1061         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
1062         C++ front-end prior to lowering into gimple form.
1063
1064 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1065
1066         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
1067         BUILT_IN_STRNCASECMP): New.
1068         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
1069         and strndup.
1070
1071 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
1072
1073         PR target/14812
1074         * arm.md (addsi3_compare0_for_combiner): Delete.
1075         (addsi3_compare0_scratch_for_combiner): Delete.
1076         (cmpsi_neg_shiftsi): Delete.
1077         (compare_negsi_si): New pattern.
1078         (cmpsi_negshiftsi_si): New pattern.
1079         (negated_cbranchsi4): Restrict to equality_operator.
1080         
1081         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
1082         template.
1083
1084 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1085
1086         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
1087         Fix comment typos.
1088
1089         * doc/install.texi: Fix a typo.
1090
1091 2005-04-03  Steven Bosscher  <stevenb@suse.de>
1092
1093         PR middle-end/20648
1094         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
1095         a computed goto if the edge to the computed goto block has
1096         incoming abnormal edges.  Clarify how the function works.
1097
1098 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
1099
1100         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
1101         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
1102         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
1103         hash_scan_set, reg_set_between_after_reload_p,
1104         reg_used_between_after_reload_p, get_avail_load_store_reg,
1105         eliminate_partially_redundant_load): Likewise.
1106         * postreload.c (reload_cse_simplify_set,
1107         reload_combine_note_use): Likewise.
1108         * predict.c (predict_insn, expected_value_to_br_prob,
1109         propagate_freq, expensive_function_p): Likewise.
1110         * print-rtl.c (print_rtx): Likewise.
1111         * profile.c (instrument_edges, instrument_values,
1112         compute_branch_probabilities, branch_prob, union_groups,
1113         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
1114         * protoize.c (in_system_include_dir, file_could_be_converted,
1115         file_normally_convertible, gen_aux_info_file, seek_to_line,
1116         do_cleaning): Likewise.
1117         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
1118         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1119         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1120
1121 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1122
1123         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
1124         * modulo-sched.c (undo_replace_buff_elem): New structure.
1125         (kernel_number_of_cycles, ps_unschedule_node,
1126         undo_generate_reg_moves,free_undo_replace_buff,
1127         undo_permute_partial_schedule,  loop_single_full_bb_p,
1128         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
1129         build_loops_structure, get_sched_window): New.
1130         (generate_reg_moves): Return undo_replace_buff_elem and other
1131         fixes.
1132         (generate_prolog_epilog): Remove old loop versioning.
1133         (sms_schedule): Use loop information and loop_version.
1134         (sms_schedule_by_order): Split part of it to get_sched_window.
1135         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
1136         cfg_layout_finalize and free_dominance_info before/after SMS.
1137
1138 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1139
1140         * cfghooks.c (lv_flush_pending_stmts,
1141         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
1142         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
1143         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
1144         lv_add_condition_to_bb,
1145         lv_adjust_loop_header_phi, extract_cond_bb_edges,
1146         flush_pending_stmts): New in cfg_hooks structure.
1147         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
1148         extract_cond_bb_edges, lv_adjust_loop_header_phi,
1149         lv_add_condition_to_bb): New declarations.
1150         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
1151         bool.
1152         (loop_version): Declare.
1153         * cfgloopmanip.c (cfghooks.h): Include.
1154         (duplicate_loop_to_header_edge): Change return type to bool.
1155         (loop_version, lv_adjust_loop_entry_edge): Move here.
1156         * cfgrtl.c (cfgloop.h): Include.
1157         (rtl_verify_flow_info_1): Fix.
1158         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
1159         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
1160         initialization.
1161         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
1162         tree_lv_add_condition_to_bb): New.
1163         (tree_cfg_hooks): Add new hooks to initialization.
1164         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
1165         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
1166
1167 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1168
1169         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
1170         xstormy16_below100_or_register,
1171         xstormy16_splittable_below100_or_register, and
1172         nonimmediate_nonstack_operand.
1173
1174         * config/stormy16/stormy16-protos.h: Remove the prototypes for
1175         xstormy16_ineqsi_operator, equality_operator,
1176         inequality_operator, shift_operator,
1177         xstormy16_below100_operand, xstormy16_below100_or_register,
1178         xstormy16_splittable_below100_or_register,
1179         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
1180         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
1181         equality_operator, inequality_operator,
1182         xstormy16_below100_operand, xstormy16_below100_or_register,
1183         xstormy16_splittable_below100_or_register,
1184         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
1185         nonimmediate_nonstack_operand, shift_operator): Move to
1186         predicates.md.
1187         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
1188         * config/stormy16/stormy16.md: Include predicates.md.
1189         * config/stormy16/predicates.md: New.
1190
1191 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1192
1193         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
1194         small_int, large_int, reg_or_0_operand, simple_memory_operand,
1195         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
1196         move_operand, power_of_2_operand): Move to predicates.md.
1197         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
1198         PREDICATE_CODE): Remove.
1199         * config/iq2000/iq2000.md: Include predicates.md.
1200         * config/iq2000/predicates.md: New.
1201
1202 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
1203
1204         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
1205         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
1206         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
1207         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
1208         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
1209         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
1210         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
1211         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1212         (TARGET_M68HC11): Delete.
1213         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
1214         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
1215         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
1216         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1217         (nb_soft_regs): Delete.
1218         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
1219         (m68hc11_override_options): Remove the code that caters for MASK_M6811
1220         and MASK_M6812 being set simultaneously.  Change the code that sets
1221         the default m68hc11_soft_reg_count to use integers instead of strings.
1222         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
1223         m68hc11_soft_reg_count (which now has an int type) as the number
1224         of soft registers.
1225         * config/m68hc11/m68hc11.opt: New file.
1226
1227 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1228
1229         * config/fr30/fr30.h (PREDICATE_CODES): Remove
1230         fp_displacement_operand, sp_displacement_operand.
1231
1232         * config/m68hc11/m68hc11-protos.h: Add a prototype for
1233         m68hcc_auto_inc_p.
1234         Remove the prototypes for tst_operand, cmp_operand,
1235         stack_register_operand, d_register_operand,
1236         hard_addr_reg_operand, splitable_operand,
1237         m68hc11_logical_operator, m68hc11_arith_operator,
1238         m68hc11_non_shift_operator, m68hc11_shift_operator,
1239         m68hc11_unary_operator, m68hc11_eq_compare_operator,
1240         non_push_operand, hard_reg_operand, and
1241         reg_or_some_mem_operand.
1242         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
1243         extern.
1244         (tst_operand, cmp_operand, non_push_operand,
1245         splitable_operand, reg_or_some_mem_operand,
1246         stack_register_operand, d_register_operand,
1247         hard_addr_reg_operand, hard_reg_operand,
1248         m68hc11_eq_compare_operator, m68hc11_logical_operator,
1249         m68hc11_arith_operator, m68hc11_non_shift_operator,
1250         m68hc11_shift_operator, m68hc11_unary_operator): Move to
1251         predicates.md.
1252         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
1253         * config/m68hc11/m68hc11.md: Include predicates.md.
1254         * config/m68hc11/predicates.md: New.
1255
1256 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1257
1258         PR debug/19345
1259         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
1260         change checked in along with 2005-03-03's patch for debug/20253.
1261         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
1262         (remap_decl): Insert type decl in map earlier.
1263
1264 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1265
1266         PR tree-optimization/20640
1267         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
1268         post-dominator if it has phi nodes.
1269         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
1270         before dead statements.
1271
1272 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1273
1274         PR middle-end/20491
1275         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
1276
1277 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1278
1279         PR rtl-optimization/20290
1280         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
1281         in every iteration if the entry point is the exit test.
1282
1283 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
1284
1285         * config/cris/cris.md (attribute "length"): Define.
1286
1287 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
1288
1289         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
1290         (word_offset_memref_operand): New.
1291         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
1292         (indexed_or_indirect_operand): Delete.
1293         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
1294         (indexed_or_indirect_operand): Delete.
1295
1296         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
1297
1298         PR 20650
1299         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
1300         a register.
1301
1302         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
1303         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
1304
1305 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1306
1307         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
1308
1309 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1310
1311         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
1312         (rus, prus): Remove static variables.
1313         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
1314         (process_command): Permit report_times and use_pipes together.
1315
1316 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1317
1318         * c-decl.c (validate_proto_after_old_defn): Look at
1319         TYPE_MAIN_VARIANT of argument types.
1320
1321 2005-04-01  Paul Brook  <paul@codesourcery.com>
1322
1323         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
1324         (arm_output_function_epilogue): Allow call_via_SP.
1325         (thumb_call_via_reg, arm_file_end): Ditto.
1326         * config/arm/arm.h (struct machine_function): Include space for SP.
1327         (thumb_call_via_label): Update declaration.
1328
1329 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1330
1331         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
1332         doing a peephole optimization, once again put any notes in the
1333         proper position.
1334
1335 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1336
1337         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
1338
1339 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1340
1341         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
1342         (block_alloc, find_free_reg): Likewise.
1343         * loop-doloop.c (doloop_modify): Likewise.
1344         * loop-invariant.c (record_use): Likewise.
1345         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
1346         get_iv_value, canon_condition, eliminate_implied_condition,
1347         eliminate_implied_condition, simplify_using_initial_values,
1348         shorten_into_mode, canonicalize_iv_subregs,
1349         iv_number_of_iterations): Likewise.
1350         * loop-unroll.c (expand_var_during_unrolling): Likewise.
1351         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
1352         unswitch_loop): Likewise.
1353         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
1354         move_movables, replace_call_address, find_and_verify_loops,
1355         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
1356         record_giv, final_giv_value, general_induction_var,
1357         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
1358         loop_giv_dump): Likewise.
1359
1360         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
1361         GCOV_CHECK_WRITING): Remove.
1362         (gcov_position, gcov_rewrite): Use gcc_assert.
1363         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
1364         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
1365         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
1366         gcc_assert.
1367
1368 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1369
1370         * tree-inline.c: Fix a typo.
1371
1372 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1373
1374         * configure.ac (enable-checking): Explicitly set all variables for
1375         collective switch values.  Alphabetize variables. Rename
1376         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1377         synonym for 'no'.
1378         * doc/install.texi (enable-checking): Update documentation.
1379         * configure: Rebuilt.
1380
1381 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1382
1383         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1384         possible.
1385
1386 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1387
1388         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1389         Also reject cases where this pattern will cause load delay stalls
1390         unless optimizing for size and it will produce a shorter sequence.
1391         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1392         variants to avoid pre-adjusting the base when possible.
1393
1394 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1395
1396         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1397         the frame and argument pointers.
1398         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1399         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1400         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1401         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1402         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1403         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1404
1405 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1406
1407         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1408         with entry for selectany attribute.
1409         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1410         Declare.
1411         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1412         (i386_pe_asm_named_section): Handle sections generated by
1413         selectany attribute.
1414         * doc/extend.texi (selectany): Document attribute.
1415
1416 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1417             Jan Hubicka  <jh@suse.cz>
1418
1419         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1420         to fix addresses involving EBP and ESP.
1421         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1422         for SUBREGed registers.
1423         (legitimate_address_p): Accept SUBREGed registers.
1424
1425 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR c++/19406
1428         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1429         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1430         for FIELD_DECLs.
1431
1432 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1433
1434         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1435
1436 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1437
1438         PR c++/20505
1439         * dwarf2out.c (rtl_for_decl_init): New function.
1440         (rtl_for_decl_location): Extracted from here.
1441         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1442         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1443
1444 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1445
1446         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1447         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1448         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1449         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1450         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1451         config/i386/i386.md, config/rs6000/predicates.md,
1452         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1453         config/s390/s390.c, config/stormy16/stormy16.c,
1454         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1455         typos.
1456
1457 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1458
1459         PR c/17855
1460         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1461         COND_EXPR and CALL_EXPR.
1462
1463 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1464
1465         PR target/20632
1466         * genautomata.c (first_cycle_unit_presence): Check all alternative
1467         states for unit presence.
1468
1469         * doc/md.texi: Remove remark about impossibility to query unit
1470         presence in non nondeterministic automaton state.
1471         
1472         * config/ia64/ia64.c (get_template): Change order of unit querying.
1473
1474 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1475
1476         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1477         obsolete comment.
1478
1479 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1480
1481         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1482         flag for edges outside any loops.
1483
1484 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1485
1486         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1487
1488 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1489
1490         * tree-ssa-alias.c: Follow spelling conventions.
1491         * doc/tree-ssa.texi: Fix a typo.
1492
1493 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1494
1495         * postreload-gcse.c: Include target.h.
1496         (gcse_after_reload_main): Return early if we cannot modify jumps.
1497         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1498
1499 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1500
1501         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1502         expensive operations.
1503
1504 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1505
1506         * collect2.c (lderrout): New variable.
1507         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1508         if it is set, to stderr.
1509         (handler): Unlink lderrout if it is set.
1510         (dump_file): Add "to" parameter.  Change all callers.
1511         (main): Initialize lderrout.
1512         (collect_execute): Add errname parameter.  Change all callers.
1513         Rename redir parameter to outname.  Never pass
1514         PEX_STDERR_TO_STDOUT to pex_run.
1515         * collect2.h (collect_execute, dump_file): Update declarations.
1516         * tlink.c (tlink_execute): Add errname parameter.  Change all
1517         callers.
1518         (do_tlink): Check lderrout as well as ldout.
1519
1520 2005-03-31  Caroline Tice  <ctice@apple.com>
1521
1522         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1523         (bb-reorder.o): Add errors.h to list of requirements.
1524         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1525         profiledbootstrap flags.
1526         * bb-reorder.c (errors.h): Add new include.
1527         (struct bbro_basic_block_data_def): Add new field, in_trace.
1528         (add_unlikely_executed_notes):  Remove function.
1529         (mark_bb_for_unlikely_executed_section): Remove function.
1530         (insert_section_boundary_note): New function.
1531         (verify_hot_cold_block_grouping): New function.
1532         (push_to_next_round_p): Remove variables and tests that push all
1533         cold blocks to last round.
1534         (find_traces): Remove code that added extra round of trace finding
1535         when doing partitioning.
1536         (find_traces_1_round) :  Remove variable last_round;  add code to 
1537         update new struct field, in_trace; correct trace_length where it was 
1538         incorrect before (after call to copy_bb); change code that pushed all 
1539         cold blocks to last round. Instead verify that all blocks going into 
1540         a trace belong in the same partition.
1541         (connect_traces): Modify to connect the traces in two passes, if the
1542         function contains both hot and cold blocks.  The first pass connects 
1543         all the traces for blocks in the partition that the first block in 
1544         the function belongs to; the second pass connnects all the traces 
1545         containing blocks that belong in the other partition.
1546         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1547         code that automatically put the first block in a function into the
1548         hot partition if the function had any hot blocks.
1549         (fix_crossing_unconditional_branches): Check number of succ edges 
1550         before attempting to get one.
1551         (fix_edges_for_rarely_executed_code):  Update comment describing
1552         function.
1553         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1554         remove call to add_unlikely_executed_notes; add call to 
1555         verify_hot_cold_block_grouping.
1556         (duplicate_computed_gotos): Don't change computed goto if it's a 
1557         crossing edge.
1558         (partition_hot_cold_basic_blocks):  Update function comment.
1559         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1560         condition.
1561         (try_forward_edges): Likewise.
1562         (merge_blocks_move_predecessor_nojumps): Likewise.
1563         (merge_blocks_move_successor_nojumps): Likewise.
1564         (merge_blocks_move): Likewise.
1565         (try_crossjump_bb): Likewise.
1566         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1567         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1568         notes to cold bb's; remove call to update_unlikely_executed_notes.
1569         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1570         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1571         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1572         function declaration.
1573         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1574         from consideration.
1575         (rtl_can_merge_blocks): Remove redundancy from condition.
1576         (try_redirect_by_replacing_jump): Likewise.
1577         (force_nonfallthru_and_redirect): Remove code for adding
1578         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1579         (commit_one_edge_insertion): Likewise.
1580         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1581         * dbxout.c (FORCE_TEXT): Replace function_section with 
1582         current_function_section.
1583         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1584         function, switch_text_section.
1585         (struct xcoff_debug): Likewise.
1586         (dbxout_function_end): Add code to put out label diffs for both
1587         hot and cold sections.
1588         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1589         for new debug_hooks funciton, switch_text_section..
1590         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1591         switch_text_section.
1592         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1593         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1594         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1595         dw_fde_switched_sections.
1596         (output_call_frame_info):  Add test to see if function switches text
1597         sections in the middle; if so, use appropriate extra hot and cold 
1598         section labels to compute size deltas for the hot and cold sections.
1599         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1600         dw_fde_struct.
1601         (dwarf2out_switch_text_section): New function (invoked through 
1602         debug_hook); updates new fields in dw_fde_struct appropriately and
1603         increments separate_line_info_table_in_use.
1604         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1605         dwarf2out_switch_text_section.
1606         (struct var_loc_node): Add new field, section_label.
1607         (output_aranges): Add code to check whether in hot or cold section and
1608         use the appropriate label in calculating deltas.
1609         (output_ranges): Likewise.
1610         (output_line_info): Add code to check which section we're in and
1611         use appropriate hot/cold label.
1612         (add_location_or_constant_value_attribute): Likewise.
1613         (gen_subprogam_die): Modify arange attributes to use correct labels.
1614         (dwarf2out_begin_block): Change call to function_section into call to
1615         current_function_section.
1616         (dwarf2out_end_block): Likewise.
1617         (dwarf2out_source_line): Likewise.
1618         (dwarf2out_var_location): Add code to check whether in hot or cold 
1619         section and use the appropriate label.
1620         * except.c (output_function_exception_table): Change call to 
1621         function_section into call to current_function_section.
1622         * final.c (profile_function): Likewise.
1623         (scan_ahead_for_unlikely_executed_note): Remove function.
1624         (final_scan_insn):  Remove calls to 
1625         scan_ahead_for_unlikely_executed_note, and related code for switching 
1626         to cold section, except for the single time 
1627         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1628         debug_hooks->switch_text_sections; replace appropriate calls to 
1629         function_section with calls to current_function_section.
1630         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1631         test_bb to condition.
1632         (find_if_case_2): Likewise.
1633         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1634         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1635         * opts.c (decode_options): Change warning about hot/cold partitioning
1636         with exceptionss to inform (so as not to cause bootstrap failures);
1637         remove warning about partitioning with DWARF debug info.
1638         * output.h (current_function_section): Add new function decl.
1639         (insert_section_boundary_note): Likewise.
1640         (enum in_section): Move this declaration here from varasm.c.
1641         (unlikely_section_label): Likewise.
1642         (unlikely_text_section_name): Likewise.
1643         (last_text_section_name): New global variable.
1644         (last_text_section): Likewise.
1645         (hot_section_label): Likewise.
1646         (hot_section_end_label): Likewise.
1647         (cold_section_end_label): Likewise.
1648         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1649         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1650         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1651         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1652         insn from consideration.
1653         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1654         switch_text_section.
1655         * varasm.c (basic-block.h): Add new include.
1656         (unlikely_section_label_printed): Remove global variable.
1657         (unlikely_section_label): Make global variable not be static any more.
1658         (unlikely_text_section_name): Likewise.
1659         (hot_section_end_label): New global variable (not static)
1660         (first_function_block_is_cold): Likewise.
1661         (hot_section_label): Likewise.
1662         (cold_section_end_label): Likewise..
1663         (last_text_section): New global variable, not static.
1664         (last_text_section_name): New global variable, not static.
1665         (initialize_cold_section_name): New function.
1666         (enum in_section): Move declaration to output.h.
1667         (text_section): Update last_text_section.
1668         (unlikely_text_section): Replace code to determine cold section name 
1669         with call to initialize_cold_section_name; Add code to update 
1670         last_text_section; remove code for printing out label.
1671         (named_section_real): Add code to update last_text_section and 
1672         last_text_section_name as appropriate.
1673         (function_section): Change test for 'unlikely' to depend on
1674         first_function_block_is_cold (moved old test to 
1675         current_function_section).
1676         (current_function_section): New function.
1677         (assemble_start_function): Move code that frees 
1678         unlikely_text_section_name; initialize hot_section_end_label; 
1679         print hot and cold section labels at the start of the function; 
1680         set first_function_block_is_cold, if appropriate; initialize l
1681         ast_text_section; add call to insert_section_boundary_note.
1682         (assemble_end_function):  Add code to write out hot and cold section
1683         end labels.
1684         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1685         switch_text_section.
1686         * config/darwin.c (machopic_select_section): Replace incorrect 
1687         function in base_funs; update reloc for cold sections if necessary.
1688         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1689         last_text_section if appropriate.
1690         (text_unlikely_section): Remove.
1691         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1692         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1693         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1694         partitioning for this architecture.
1695
1696 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1697
1698         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1699         defined and non-zero.
1700
1701 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1702
1703         PR c++/18644
1704         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1705         semantics. 
1706
1707 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1708
1709         PR target/20611
1710         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1711         label operand.  Remove (use (unspec..)).  Don't emit a label on
1712         the offset word.
1713         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1714         generate inline label for load_toc_v4_PIC_1b.
1715         (rs6000_emit_load_toc_table): Likewise.
1716
1717 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1718
1719         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1720         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1721
1722 2005-03-29  Devang Patel  <dpatel@apple.com>
1723
1724         * tree-sra.c (decide_block_copy): Disable scalarization of
1725         sub-elements.
1726         
1727 2005-03-30  Stuart Hastings  <stuart@apple.com>
1728             Dale Johannesen  <dalej@apple.com>
1729
1730         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1731         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1732
1733 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1734
1735         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1736         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1737         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1738         is given with "powerpc64*" or "all", or when --with-cpu chooses
1739         a 64-bit cpu.
1740
1741 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1742
1743         PR debug/20268
1744         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1745         gen_lexical_block_die.
1746         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1747
1748 2005-03-31  Jan Hubicka  <jh@suse.cz>
1749
1750         2004-11-02  Jan Hubicka  <jh@suse.cz>
1751
1752         * cgraph.c (cgraph_varpool_node_name): New function.
1753         (dump_cgraph_varpool_node): New function.
1754         (dump_varpool): New function.
1755         * cgraphunit.c (cgraph_optimize): Dump varpool.
1756
1757         2004-10-16  Jan Hubicka  <jh@suse.cz>
1758
1759         * cgraph.c (decide_is_variable_needed): New function.
1760         (cgraph_varpool_finalize_decl): Use it.
1761         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1762         unit-at-a-time.
1763         * final.c (output_addr_const): Do not call mark_referenced.
1764         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1765         always go via cgraph.
1766         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1767         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1768         * tree-optimize.c (execute_inline): Mark functions called.
1769         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1770
1771         2004-10-11  Jan Hubicka  <jh@suse.cz>
1772
1773         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1774         (cgraph_varpool_last_needed_node): New static variable.
1775         (enqueue_needed_varpool_node): Break out from ...; add items to the
1776         end of queue; update first pointers.
1777         (cgraph_varpool_mark_needed_node): ... here.
1778         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1779         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1780         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1781         (cgraph_varpool_first_unanalyzed_node): Declare.
1782         * cgraphunit.c: Include output.h.
1783         (cgraph_varpool_analyze_pending_decls): New function.
1784         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1785         for errors, analyze pending decls.
1786         (cgraph_finalize_compilation_unit): Only analyze decls.
1787         (cgraph_optimize): Assemble the decls after expanding.
1788
1789 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1790
1791         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1792         subvars get marked properly in tags for grouping.
1793         (add_pointed_to_var): Mark only actual pointed to
1794         variables/subvars in addresses needed.
1795         (create_overlap_variables_for): Clear call clobbered on original
1796         variable.
1797         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1798         addresable vars with subvars into list.
1799         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1800         subvar should be.
1801
1802 2005-03-30  Richard Henderson  <rth@redhat.com>
1803
1804         * cgraph.h (struct cgraph_node): Add alias.
1805         * varasm.c (assemble_alias): Set it.
1806         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1807         avoid calling cgraph_expand_function.
1808
1809 2005-03-30  Tom Tromey  <tromey@redhat.com>
1810
1811         * tree.def (FILE_TYPE): Removed.
1812         * typeclass.h (enum type_class): Removed file_type_class.
1813         * dwarf2out.c (is_base_type): Updated.
1814         (gen_type_die): Likewise.
1815         * dbxout.c (dbxout_type): Updated.
1816         * builtins.c (type_to_class): Updated.
1817         * tree.c (type_contains_placeholder_1): Updated.
1818         * config/sparc/sparc.c (sparc_type_code): Updated.
1819         * config/ia64/ia64.c (hfa_element_mode): Updated.
1820         * expr.c (count_type_elements): Updated.
1821         * stor-layout.c (layout_type): Updated.
1822         * tree-inline.c (remap_type): Updated.
1823         * tree-pretty-print.c (dump_generic_node): Updated.
1824
1825 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1826
1827         * builtins.c (expand_builtin_powi): Fix mode of
1828         2nd argument to match int.
1829         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1830         2nd argument type to int.
1831         * libgcc2.c: Change prototype of __powi* functions to use
1832         int.
1833
1834 2005-03-30  Dale Johannesen  <dalej@apple.com>
1835
1836         PR middle-end/19225
1837         * calls.c (expand_call):  Flush pending deferrals before
1838         throwing call.
1839
1840 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1841
1842         PR c/772
1843         PR c/17913
1844         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1845         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1846         c_label_context, label_context_stack): New.
1847         * c-decl.c (define_label): Check for jumps into statement
1848         expressions.  Add label to list of defined labels.
1849         (start_function): Push context on label_context_stack.
1850         (finish_function): Pop context from label_context_stack.
1851         * c-typeck.c (label_context_stack): New.
1852         (c_finish_goto_label): Check for jumps into statement
1853         expressions.  Add label to list of jumped to labels.
1854         (struct c_switch): Add blocked_stmt_expr.
1855         (c_start_case): Initialize it.
1856         (do_case): Check it.
1857         (c_finish_case): Verify !blocked_stmt_expr.
1858         (c_begin_stmt_expr):  Push context on label_context_stack.
1859         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1860         as undefinable.
1861         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1862         defined in the statement expression and no longer jumpable to.
1863         Mark labels jumped to from just outside the statement expression
1864         as again definable.  Pop context from label_context_stack.
1865         * doc/extend.texi (Statement Exprs): Update.
1866
1867 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1868
1869         PR c/20368
1870         * c-decl.c (start_function): Check for old_decl being
1871         error_mark_node.
1872
1873 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1874
1875         * final.c (final): Remove prescan parameter.  Change all callers.
1876         (final_scan_insn): Remove prescan parameter.  Change all callers.
1877
1878 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1879
1880         * tree-vectorizer.c: Fix comment typos.
1881
1882 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1883
1884         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1885         as soon as a chrec_dont_know is detected.
1886
1887 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1888
1889         Merge from csl-arm-branch.
1890         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1891
1892         * tlink.c (recompile_files): Do not assume that "rename" can
1893         overwrite an existing file.
1894
1895 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1898         * gcc/configure: Regenerate.
1899
1900 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1901
1902         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1903
1904         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1905
1906         * calls.c (struct arg_data): Update "partial" comment.
1907         (load_register_parameters): Update "nregs" comment.
1908
1909 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1910
1911         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1912         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1913         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1914         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1915         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1916         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1917         than target_flags & 0.
1918         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1919         (iq2000_arch, iq2000_parse_cpu): Delete.
1920         (TARGET_HANDLE_OPTION): Override default.
1921         (iq2000_handle_option): New function.
1922         (override_options): Remove -march= and -mcpu= handling.
1923         * config/iq2000/iq2000.opt: New file.
1924
1925 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1926
1927         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1928         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1929         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1930         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1931         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1932         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1933         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1934         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1935         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1936         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1937         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1938         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1939         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1940         (TARGET_OPTIONS): Delete.
1941         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1942         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1943         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1944         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1945         (c4x_cpu_version_string): Delete.
1946         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1947         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1948         equivalent -mcpu= option.
1949         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1950         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1951         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1952         or clearing the appropriate MASK_* bit.
1953         (c4x_file_start): Use c4x_cpu_version.
1954         * config/c4x/c4x.opt: New file.
1955
1956 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1957
1958         * doc/options.texi: Document the new MaskExists flag.
1959         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1960         if the option has the MaskExists flag.
1961
1962 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1963
1964         * opt-functions.awk (flag_set_p, test_flag): New functions.
1965         (switch_flags): Use them.
1966         * opth-gen.awk: Use flag_set_p to check for flags.
1967         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1968
1969 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1970
1971         * config.host (i[34567]86-*-mingw32*): Don't set
1972         host_can_use_collect2 to no.
1973
1974 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1975
1976         PR target/20203
1977         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1978         Remove convert_memory_address call duplicating that in memory_address.
1979
1980 2005-03-29  Richard Henderson  <rth@redhat.com>
1981
1982         PR c/20519
1983         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1984         (build_compound_literal): Likewise.  Propagate decl type into the
1985         initializer.
1986         (finish_decl): Likewise.  Use new return value from complete_array_type
1987         for zero sized arrays.
1988         (complete_array_type): Move ...
1989         * c-common.c (complete_array_type): ... here.  Change first argument
1990         to pointer-to-type-node.  Consistently use sizetype for the index
1991         except for zero sized arrays.  Detect zero sized arrays for pedantic
1992         mode diagnostics.  Create a new type node instead of modifying the
1993         old node in place.
1994         * c-tree.h (complete_array_type): Move decl ...
1995         * c-common.h (complete_array_type): ... here.
1996
1997 2005-03-29  Richard Henderson  <rth@redhat.com>
1998
1999         PR tree-opt/19108
2000         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
2001
2002 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
2003
2004         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
2005         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
2006         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
2007         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
2008
2009 2005-03-29  Eric Christopher  <echristo@redhat.com>
2010
2011         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
2012         truthvalue conversion removal.
2013
2014 2005-03-29  Ian Lance Taylor  <ian@airs.com>
2015
2016         PR bootstrap/14316
2017         * collect2.c: Never include <vfork.h>.
2018         (VFORK_STRING, vfork): Don't define.
2019         (pid): Remove global variable.
2020         (handler): Call raise instead of kill (getpid(), ...).
2021         (collect_wait): Add pex parameter.  Change all callers.  Use
2022         pex_get_status rather than pwait.
2023         (do_wait): Add pex parameter.  Change all callers.
2024         (collect_execute): Return struct pex_obj * rather than void.  Use
2025         pex routines rather than pexecute.
2026         (fork_execute): Get pex_obj from collect_execute, and pass it to
2027         do_wait.
2028         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
2029         Only declare quit_handler if SIGQUIT is defined.
2030         (scan_libraries): Likewise.
2031         * collect2.h (collect_execute): Update declaration.
2032         (collect_wait): Update declaration.
2033         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
2034         pass it to collect_wait.
2035
2036 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
2037
2038         PR c/20672
2039         * c-parser.c (c_parser_compound_statement_nostart): Give error
2040         message for EOF instead of just setting parser->error.
2041
2042 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
2043
2044         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
2045         (slpeel_update_phi_nodes_for_guard1): New function.
2046         (slpeel_update_phi_nodes_for_guard2): New function.
2047         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
2048         of slpeel_update_phi_nodes_for_guard.
2049         (vectorize_loops): Remove call to loop_closed_rewrite.
2050         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
2051         assertion.
2052
2053 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
2054
2055         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
2056         (TARGET_LITTLE_ENDIAN): New macro.
2057         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
2058         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
2059         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
2060         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
2061         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
2062         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
2063         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
2064         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
2065         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
2066         (TARGET_OPTIONS): Delete.
2067         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
2068         (CACHE_FLUSH_TRAP): Turn into an integer.
2069         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
2070         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
2071         -mflush-trap is in use.
2072         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
2073         (m32r_cache_flush_trap_string): Delete.
2074         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
2075         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
2076         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
2077         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2078         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
2079         -mmodel= and -msdata= handling from...
2080         (m32r_init): ...here.
2081         * config/m32r/m32r.opt: New file.
2082
2083 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
2084
2085         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
2086         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
2087         * tree-vect-analyze.c (vect_object_analysis): additional parm
2088         pass back a "struct ptr_info_def *" with the points-to info.
2089         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
2090         statement using info returned from vect_object_analysis.
2091         * tree-vect-transform.c (update_vuses_to_preheader): New function.
2092         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
2093         for virtual uses and defs when creating a replacement vector
2094         reference.  Call duplicate_ssa_name_ptr_info to define points-to
2095         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
2096         (vectorizable_store): copy_virtual_operands and update
2097         definition statements.
2098         (vectorizable_load): copy_virtual_operands.  Remove call to
2099         mark_call_clobbered_vars_to_rename for call to "const" builtin.
2100         * tree-vectorizer.c (vectorize_loops): Remove calls to
2101         rewrite_into_ssa and bitmap_clear (vars_to_rename).
2102         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
2103         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
2104         define macro STMT_VINFO_PTR_INFO for use in accessing.
2105         * tree.h add export of duplicate_ssa_name_ptr_info.
2106         * rs6000.c (altivec_init_builtins): Declare builtin function
2107         __builtin_altivec_mask_for_load to be "const".
2108
2109 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR middle-end/20622
2112         * cgraph.h (struct cgraph_varpool_node): Add alias field.
2113         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
2114         assemble_variable on aliases.
2115         * varasm.c (assemble_alias): Set node->alias.
2116         * toplev.c (wrapup_global_declarations): Don't call
2117         rest_of_decl_compilation on aliases again.
2118
2119 2005-03-29  Paul Brook  <paul@codesourcery.com>
2120
2121         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
2122         * config/arm/arm.c (arm_dbx_register_number): New function.
2123         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
2124
2125 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
2126
2127         PR middle-end/20263
2128         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
2129         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
2130
2131 2005-03-29  Dale Johannesen <dalej@apple.com>
2132
2133         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
2134         $(TREE_H) and $(COVERAGE_H).
2135         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
2136         * opts.c (common_handle_option): Enable tree-based value transforms.
2137         * toplev.c (process_options): Ditto.
2138         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
2139         refers to references to this type.
2140         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
2141         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
2142         for may_be_more, may_be_less.
2143         (rtl_gen_pow2_profiler): Adjust.
2144         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
2145         (rtl_gen_one_value_profiler): Adjust.
2146         (rtl_gen_const_delta_profiler): Adjust.
2147         * tree-profile.c (tree_gen_interval_profiler): Implement.
2148         (tree_gen_pow2_profiler): Ditto.
2149         (tree_gen_one_value_profiler): Ditto.
2150         (tree_profiling): New.
2151         (pass_tree_profile): Reference it.
2152         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
2153         tree.h, gcov-io.h.
2154         (insn_divmod_values_to_profile): Rename to
2155         rtl_divmod_values_to_profile. Adjust.
2156         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
2157         (insn_prefetch_values_to_profile): Adjust.
2158         (rtl_value_profile_transformations): Adjust.
2159         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
2160         (gen_mod_pow2): Rename to rtl_mod_pow2.
2161         (gen_mod_subtract): Rename to rtl_mod_subtract.
2162         (divmod_fixed_value_transform): Rename to
2163         rtl_divmod_fixed_value_transform.
2164         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
2165         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
2166         (rtl_find_values_to_profile): Adjust.
2167         (tree_value_profile_transformations): Implement.
2168         (tree_divmod_values_to_profile): New.
2169         (tree_values_to_profile): New.
2170         (tree_divmod_fixed_value): New.
2171         (tree_mod_pow2): New.
2172         (tree_mod_subtract): New.
2173         (tree_divmod_fixed_value_transform): New.
2174         (tree_mod_pow2_value_transform): New.
2175         (tree_mod_subtract_transform): New.
2176         (tree_find_values_to_profile): Implement.
2177         * profile.c (instrument_values):  Free histograms.
2178         (compute_value_histograms): Adjust. Implement tree version.
2179
2180 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
2181
2182         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
2183         * config/i386/i386.c (output_fix_trunc): Add new round_mode
2184         variable.  Output "fldcw" depending on round_mode.
2185         * config/i386/i386.md (UNSPEC_FIST): New.
2186         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
2187         New isns patterns to implement lrint and llrint built-ins as x87
2188         intrinsic function.
2189         (fistdi2, fist<mode>2 splitters): New splitters.
2190         (lrint<mode>2): New expanders.
2191
2192 2005-03-28  Ian Lance Taylor  <ian@airs.com>
2193
2194         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
2195         0 when calling final_scan_insn.
2196
2197 2005-03-28  Jan Hubicka  <jh@suse.cz>
2198
2199         PR middle-end/20635
2200         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
2201         as needed.
2202
2203         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
2204         types where possible.
2205
2206 2005-03-26  Per Bothner  <per@bothner.com>
2207
2208         Make -f[no-]show-column also control non-cpp diagnostics.
2209         * c.opt (fshow-column): Move option from here ...
2210         * common.opt (fshow-column): ... to here.
2211         * diagnostic.c (diagnostic_build_prefix): Only print column number
2212         if flag_show_column.
2213
2214 2005-03-27  Steven Bosscher  <stevenb@suse.de>
2215
2216         * vax-protos.h (vax_output_int_move, vax_output_int_add,
2217         vax_output_conditional_branch): New prototypes.
2218         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
2219         extracted from vax.md mov and add patterns.
2220         (vax_output_conditional_branch): New function to output conditional
2221         branch instructions.
2222         * vax.md: Use mode macros for arithmetic and mov patterns.
2223         Use code macros for the jump patterns.
2224
2225 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2226
2227         * Makefile.in (libbackend.o): Depend on version files;
2228         add custom generation command.
2229
2230 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2231
2232         PR target/20636
2233         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
2234         sure that we have a REG before getting its REGNO.
2235
2236 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2237
2238         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
2239         * builtins.def (BUILT_IN_STRNDUP): New.
2240
2241 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
2242
2243         PR tree-optimization/20470
2244         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
2245         ABS(x-y).
2246
2247 2005-03-25  Mike Stump  <mrs@apple.com>
2248
2249         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
2250         sized objects.
2251
2252 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
2253
2254         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
2255         Use our own structure definitions.
2256
2257         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
2258         (fix_truncdfsi2): Allow registers or memory as destination.
2259         When TARGET_PPC_GFXOPT, generate simplified pattern.
2260         (fix_truncdfsi2_internal): Use define_insn_and_split.
2261         (fix_truncdfsi2_internal_gfxopt): New.
2262         (fctiwz): Don't confuse register allocation by giving it no choices.
2263         (stfiwx): New.
2264         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
2265         (EXTRA_MEMORY_CONSTRAINT): Likewise.
2266         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
2267         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
2268
2269 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2270
2271         * dominance.c (free_dominance_info): Speed up by freeing et
2272         data structures without maintaining other nodes.
2273         * et-forest.c (et_free_tree_force): New.
2274         * et-forest.h: Add a prototype for et_free_tree_force.
2275
2276         * tree.c (get_set_constructor_bits,
2277         get_set_constructor_bytes): Remove.
2278         * tree.h: Remove the corresponding prototypes.
2279
2280 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2281
2282         PR target/15491
2283         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
2284         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
2285         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
2286         PRE_DEC, NEG and NOT.
2287
2288 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2289
2290         * fold-const.c: Convert uses of fold (build (...)) to
2291         fold_buildN.
2292
2293 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
2294
2295         PR rtl-optimization/20249
2296         * cse.c (insert_regs): Do not record equivalence of registers in
2297         different modes.
2298
2299 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
2300
2301         * emit-rtl.c (reverse_comparison): Remove.
2302         * rtl.h: Remove the corresponding prototype.
2303
2304 2005-03-24  James E Wilson  <wilson@specifixinc.com>
2305
2306         * doc/install.texi (--enable-altivec): Delete docs.
2307
2308 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
2309
2310         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
2311         SFmode and DFmode before reload when
2312         flag_unsafe_math_optimizations not enabled.
2313
2314 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
2315
2316         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
2317
2318         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
2319         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
2320
2321 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2322
2323         * configure.ac (enable-checking): Add 'runtime' option.
2324         * doc/install.texi (enable-checking): Document 'runtime' checking.
2325         * tsystem.h (gcc_assert, gcc_unreachable): Define.
2326         * config.in: Regenerated.
2327         * configure: Regenerated.
2328
2329 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
2330
2331         * optabs.h (enum optab_index): Remove OTI_llrint.
2332         (llrint_optab): Remove macro.
2333         * optabs.c (init_optabs): Remove llrint_optab initialization.
2334         * genopinit.c (optabs): Remove llrint_optab implementation.
2335         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
2336         using lrint_optab.
2337
2338 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
2339
2340         PR rtl-optimization/20532
2341         * simplify-rtx.c (simplify_binary_operation_1): Protect from
2342         overflow when adding coefficients for PLUS or MINUS.
2343         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
2344         two as multiplier.
2345
2346 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2347
2348         * langhooks.h (truthvalue_conversion): Remove.
2349         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2350         LANG_HOOKS_TRUTHVALUE_CONVERSION.
2351         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
2352         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
2353         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
2354
2355 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
2356
2357         * params.def: Fix a typo.
2358         * config/mips/mips.c: Follow the spelling convensions.
2359         * doc/invoke.texi: Fix typos.
2360
2361 2005-03-18  Dale Johannese  <dalej@apple.com>
2362
2363         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
2364
2365 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
2366
2367         Fix PR tree-optimization/20601
2368
2369         * tree-ssa-pre.c (insert_aux): Add missing condition to
2370         constification.
2371
2372 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2373
2374         * final.c (final_scan_insn): Don't remove no-op instructions.
2375         * reload1.c (reload): Remove simple no-op instructions even when
2376         not optimizing.
2377
2378 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2379
2380         PR tree-optimization/20501
2381         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2382         reporting that peeling for alignment is applied moved to...
2383         * (vect_analyze_data_refs_alignment): Here.
2384
2385 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2386
2387         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2388
2389 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2390
2391         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2392         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2393
2394 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2395
2396         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2397         imply that this is called once, independent of asms in code.
2398         Adjust to now being pased output and input lists.  Mention helper
2399         function decl_overlaps_hard_reg_set_p.
2400         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2401         hook_tree_tree_identity and to take three trees, returning third.
2402         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2403         prototype.
2404         * stmt.c: include hard-reg-set.h before tree.h.
2405         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2406         (decl_conflicts_with_clobbers_p): Call
2407         decl_overlaps_hard_reg_set_p.
2408         (expand_asm_operands): Pass output and input lists in call to
2409         targetm.md_asm_clobbers.
2410         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2411         hook_tree_tree_tree_tree_3rd_identity.
2412         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2413         parameters.
2414         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2415         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2416         parameters, first two unused.
2417         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2418         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2419         in constraint letters and MOF is not mentioned as a asm-declared
2420         register in neither of the input and output lists.
2421
2422 2005-03-23  DJ Delorie  <dj@redhat.com>
2423
2424         * optabs.c (expand_binop): Make sure the first subword's result
2425         gets stored.
2426
2427 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2428
2429         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2430         Call c_common_truthvalue_conversion rather than
2431         lang_hooks.truthvalue_conversion.
2432         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2433         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2434         c-typeck.c.
2435         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2436         c_common_truthvalue_conversion.
2437         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2438         c_parser_conditional_expression, c_parser_binary_expression): Call
2439         c_objc_common_truthvalue_conversion.
2440         * c-typeck.c (build_unary_op): Call
2441         c_objc_common_truthvalue_conversion.
2442         (build_conditional_expr): Do not call
2443         lang_hooks.truthvalue_conversion.
2444         (build_binary_op): Call c_common_truthvalue_conversion.
2445         (c_objc_common_truthvalue_conversion): Moved from
2446         c-objc-common.c.  Call default_function_array_conversion instead
2447         of default_conversion.
2448
2449 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2450
2451         * c-common.h (default_conversion): Remove.
2452         (perform_integral_promotions): Add.
2453         * c-tree.h (default_conversion): Add.
2454         * c-typeck.c (perform_integral_promotions): New, split out from
2455         default_conversion.
2456         * c-common.c (check_case_value): Use perform_integral_promotions,
2457         not default_conversion.
2458         (c_add_case_label): Don't continue processing case label after
2459         found to be pointer.
2460
2461 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2462
2463         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2464         the prefix list if we have already added a multilib directory
2465         based on that path.
2466         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2467         search with -L.
2468
2469 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2470
2471         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2472         static.
2473         * reload.h: Remove the prototype for indirect_symref_ok.
2474
2475         * reload1.c (indirect_symref_ok): Make it global.
2476         * reload.h: Add a prototype for indirect_symref_ok.
2477
2478 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2479
2480         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2481         ashlhi3 expander.
2482
2483 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2484
2485         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2486
2487 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2488
2489         * c-opts.c (c_common_parse_file): Only start/end main source file
2490         if debug hooks says the writer wants it.
2491         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2492         member.
2493         (xcoff_debug_hooks): Ditto.
2494         * debug.c (do_nothing_hooks): Ditto.
2495         * debug.h (gcc_debug_hooks): Ditto.
2496         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2497         * sdbout.c (sdb_debug_hooks): Ditto.
2498         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2499
2500 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2501
2502         * doc/extend.texi: Deprecate C++ min/max operators.
2503
2504 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2505
2506         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2507         artificial original candidates.
2508
2509 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2510             Jan Hubicka  <jh@suse.cz>
2511             Steven Bosscher <stevenb@suse.de>
2512
2513         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2514         call cost based on argument sizes.
2515         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2516         inlining.
2517         * params.def: (max-inline-inssn-single): Set to 450.
2518         (max-inline-insns-auto): Set to 90.
2519         (max-inline-insns-recursive): Set to 450
2520         (max-inline-insns-recursive-auto): Set to 450.
2521         (large-function-insns): Set to 2700.
2522         (inline-call-cost): New parameter.
2523         * tree-inline.c (estimate_move_cost): New function.
2524         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2525         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2526         based on arguments.
2527         * tree-inline.h (estimate_move_cost): Declare.
2528         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2529         (max-inline-insns-auto): Change default to 90.
2530         (max-inline-insns-recursive): Change default to 450
2531         (max-inline-insns-recursive-auto): Change default to 450.
2532         (large-function-insns): Change default to 2700.
2533         (inline-call-cost): Document new parameter.
2534
2535 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2536
2537         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2538         (TARGET_DEFAULT): Delete.
2539         * config/i860/i860.opt: New file.
2540
2541 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2542
2543         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2544         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2545         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2546         (frv_sched_lookahead): Delete.
2547         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2548         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2549         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2550         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2551         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2552         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2553         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2554         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2555         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2556         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2557         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2558         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2559         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2560         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2561         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2562         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2563         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2564         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2565         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2566         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2567         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2568         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2569         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2570         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2571         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2572         (frv_sched_lookahead): Delete.
2573         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2574         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2575         (frv_handle_option): New function.  Move -mcpu= handling from...
2576         (frv_override_options): ...here.  Remove handling of other
2577         TARGET_OPTIONS.
2578         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2579         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2580         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2581         and TARGET_NO_MULTI_CE.
2582         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2583         !TARGET_VLIW_BRANCH.
2584         * config/frv/frv.opt: New file.
2585
2586 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2587
2588         * fold-const.c (fold_ternary): Take decomposed arguments of
2589         CALL_EXPR.
2590         (fold): Update a call to fold_ternary.
2591
2592         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2593         * tree.h: Add corresponding prototypes.
2594
2595 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2596
2597         PR target/20561
2598         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2599         between jump table and its label.
2600         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2601         resp. ADDR_DIFF_VEC and the label preceeding it.
2602         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2603         is emitted in the right section.
2604
2605 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2606
2607         * fold-const.c (fold_unary, fold_binary): Update comments
2608         about arguments.
2609
2610 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2611
2612         PR rtl-optimization/20527
2613         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2614         REG_INC note, test that the register also isn't mentioned in PRED
2615         or SUCC.
2616
2617 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2618
2619         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2620         and definition.
2621
2622 2005-03-21  Mike Stump  <mrs@apple.com>
2623
2624         * varasm.c (default_assemble_visibility): Remove extra ().
2625
2626 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2627
2628         PR middle-end/20557
2629         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2630         to determine whether a block can be duplicated, rather than test
2631         whether the block contains noncopyable insns ourselves.
2632
2633 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2634
2635         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2636         predicates.
2637
2638 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2639
2640         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2641
2642 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2643
2644         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2645         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2646         * config/fr30/fr30.opt: New file.
2647
2648 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2649
2650         Fix PR tree-optimization/20542
2651
2652         * tree-flow-inline.h (overlap_subvar): Move to here.
2653         * tree-ssa-operands.c: From here.
2654         * tree-flow.h (overlap_subvar): Declare.
2655         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2656         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2657         for variables with subvars.
2658
2659 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2660
2661         PR middle-end/20177
2662         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2663         * modulo-sched.c (const_iteration_count): Return on NULL
2664         pre-header.
2665         (print_node_sched_params): Return on NULL dump_file.
2666         (generate_reg_moves): Handle reg-anti dependencies and disregard
2667         closing branch when generating register moves.
2668         (sms_schedule): Mark the SMSed block dirty.
2669         * passes.c (rest_of_handle_sms): Call update_life_info for all
2670         basic-blocks.
2671         * testsuite/gcc.dg/20050321-1.c: New test.
2672
2673 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2674
2675         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2676         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2677         movqi_internal): Likewise.
2678
2679 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2680
2681         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2682         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2683         xtensa_b4const): Delete prototypes.
2684         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2685         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2686         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2687         xtensa_extra_constraint): New prototypes.
2688         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2689         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2690         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2691         move_operand, const_float_1_operand, fpmem_offset_operand,
2692         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2693         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2694         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2695         argument type to HOST_WIDE_INT.
2696         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2697         xtensa_mask_immediate): Likewise.
2698         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2699         Likewise.  Also make these functions static.
2700         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2701         (xtensa_const_ok_for_letter_p): New.
2702         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2703         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2704         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2705         move_operand, const_float_1_operand, fpmem_offset_operand,
2706         branch_operator, ubranch_operator, boolean_operator): Move to
2707         predicates.md.
2708         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2709         (xtensa_mem_offset): Change return type to bool.
2710         (xtensa_extra_constraint): New.
2711         (gen_int_relational): Update type of const_range_p function pointer.
2712         Use xtensa_b4const_or_zero.
2713         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2714         xtensa_const_ok_for_letter_p.  Update comments.
2715         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2716         (PREDICATE_CODES): Delete.
2717         * config/xtensa/xtensa.md: Include predicates.md.
2718         * config/xtensa/predicates.md: New file.
2719
2720 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2721
2722         * config/v850/v850-protos.h: Remove the prototypes for
2723         reg_or_int9_operand, reg_or_const_operand,
2724         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2725         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2726         movsi_source_operand, power_of_two_operand,
2727         not_power_of_two_operand, special_symbolref_operand,
2728         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2729         register_is_ok_for_epilogue.
2730         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2731         reg_or_int9_operand, reg_or_const_operand,
2732         call_address_operand, special_symbolref_operand,
2733         movsi_source_operand, power_of_two_operand,
2734         not_power_of_two_operand, register_is_ok_for_epilogue,
2735         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2736         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2737         predicates.md.
2738         * config/v850/v850.h (PREDICATE_CODES): Remove.
2739         * config/v850/v850.md: Include predicates.md.
2740         * config/v850/predicates.md: New.
2741
2742 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2743
2744         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2745         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2746         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2747         (itoolsdir, itoolsdatadir): Move definition above new first use.
2748         (install-itoolsdirs): New rule.
2749         (install-mkheaders): Depend on install-itoolsdirs, not
2750         install-include-dir.
2751
2752 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2753
2754         * tree-into-ssa.c: Remove obsolete comments.
2755
2756 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2757
2758         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2759         unrolling if -fpeel-loops is specified, too.
2760         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2761         Remove superfluous check for flag_unroll_loops.
2762
2763 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2764
2765         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2766         (lrint_optab, llrint_optab): Define corresponding macros.
2767         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2768         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2769         pattern and llrint_optab using llrintdi2 patterns.
2770         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2771         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2772         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2773         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2774         flag_unsafe_math_optimizations is set.
2775
2776 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2777
2778         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2779         simplify_logical, if_then_else_cond, known_cond,
2780         simplify_comparison): Adjust calls to reverse_comparison.
2781         Don't use combine_reversed_comparison_code).
2782         (combine_reversed_comparison_code): Remove.
2783         (reversed_comparison): Using reversed_comparison_code, move it...
2784         * jump.c (reversed_comparison): ... here.
2785         * rtl.h (reversed_comparison): Add prototype.
2786
2787 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2788
2789         * builtins.c (fold_builtin): Take decomposed arguments of
2790         CALL_EXPR.
2791         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2792         * gimplify.c (gimplify_call_expr): Likewise.
2793         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2794         * tree.h: Update the prototype of fold_builtin.
2795
2796 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2797
2798         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2799         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2800         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2801         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2802         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2803
2804 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2805
2806         * builtins.c (fold_builtin_1): Take decomposed arguments of
2807         CALL_EXPR.
2808         (fold_builtin): Update a call to fold_builtin_1.
2809
2810 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2811
2812         PR other/20564
2813         * gcov.c (output_lines): Only output function block summary when
2814         outputting branch information.
2815         * doc/gcov.texi: Document format of preamble and additional block
2816         information lines.
2817
2818 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2819
2820         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2821         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2822         the defaults false if BITS_PER_UNIT != 8.
2823         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2824         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2825         than BITS_PER_UNIT != 8.
2826         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2827         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2828         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2829         #undefs.
2830         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2831         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2832
2833 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2834
2835         PR middle-end/20539
2836         * fold-const.c (fold_binary): Fix type mismatch between
2837         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2838         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2839         for non-truth-valued expressions.
2840
2841         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2842         and FUNCTION_DECL in the main switch.
2843         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2844         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2845         we also need to convert their operands to match.
2846         <TRUTH_NOT_EXPR>: Likewise.
2847
2848 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2849
2850         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2851         diagnostic without checking whether an lvalue.
2852         * c-common.h (lvalue_p): Remove.
2853         (enum lvalue_use): Update comment.
2854         (lvalue_or_else): Replace by lvalue_error.
2855         * c-typeck.c (lvalue_p): Make static.
2856         (lvalue_or_else): New.  Call lvalue_error.
2857
2858 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2859
2860         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2861         (function_arg_advance): Use rs6000_parm_start.
2862         (function_arg, rs6000_arg_partial_bytes): Likewise.
2863
2864 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2865
2866         * c-common.c (check_case_value): Adjust comment about stripping
2867         NOPs.
2868         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2869         * c-typeck.c (default_conversion, convert_arguments,
2870         build_modify_expr, convert_for_assignment, store_init_value,
2871         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2872         manually.  Remove inaccurate comments.
2873
2874 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2875             Joseph S. Myers  <joseph@codesourcery.com>
2876
2877         * varasm.c (do_assemble_alias): Restore comment describing function.
2878         Annotate the target parameter as potentially unused.
2879
2880 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2881
2882         PR target/18551
2883         * config/avr/avr.c (avr_output_function_prologue): Do not use
2884         current_function_name() in a label, use a local label instead.
2885
2886 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2887
2888         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2889         flag_finite_math_only, not flag_unsafe_math_optimizations.
2890
2891 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2892
2893         * builtins.c (fold_builtin_1): Update a call to
2894         targetm.fold_builtin.
2895         * hooks.c (hook_tree_tree_bool_null): Rename to
2896         hook_tree_tree_tree_bool_null.  Take one more argument of type
2897         tree.
2898         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2899         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2900         hook_tree_tree_tree_bool_null.
2901         * target.h (gcc_target): Update the prototype of fold_builtin.
2902         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2903         arguments of CALL_EXPR.
2904         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2905         new prototype.
2906
2907 2005-03-20  Jan Hubicka  <jh@suse.cz>
2908
2909         * cgraph.h (cgraph_node): Add prev_clone pointer.
2910         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2911         (cgraph_clone_node): Produce doubly linked chain.
2912
2913 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2914
2915         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2916         get_nonnull_operand, handle_sentinel_attribute,
2917         check_function_arguments_recurse): Do not strip NOPS from
2918         INTEGER_CSTs.
2919         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2920         Likewise.
2921         * c-format.c (get_constant): Likewise.
2922         * c-parser.c (c_parser_postfix_expression): Likewise.
2923         * c-typeck.c (set_init_index): Likewise.
2924         (convert_arguments): Don't check for NOP_EXPR containing integer
2925         constant.
2926
2927 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2928
2929         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2930         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2931         Take decomposed arguments of CALL_EXPR.
2932         (fold_builtin_1): Update calls to the functions mentioned
2933         above.
2934
2935 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2936
2937         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2938         width to have integer type.
2939         (build_enumerator): Require enumerator value to have integer type.
2940
2941 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2942
2943         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2944         to __builtin_inff.
2945
2946 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2947
2948         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2949         std=iso9899:199x): Correct descriptions.
2950
2951 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2952
2953         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2954         solaris2.1[0-9].
2955
2956 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2957
2958         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2959         of CALL_EXPR.
2960         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2961         fold_builtin_memcpy.
2962
2963         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2964         arguments of CALL_EXPR.
2965         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2966         fold_builtin_found, fold_builtin_1): Update calls to
2967         fold_trunc_transparent_mathfn.
2968
2969 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2970
2971         PR middle-end/20493
2972         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2973         function pointers on targets that require function pointer
2974         canonicalization.
2975         (fold_sign_changed_comparison): Likewise.
2976
2977 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2978
2979         * combine.c (try_combine): When changing the mode of a hard reg, make
2980         sure that doing so is valid.
2981
2982 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2983
2984         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2985         (TARGET_HANDLE_OPTION): Override default.
2986         (avr_handle_option): New function.
2987         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2988         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2989         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2990         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2991         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2992         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2993         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2994         (TARGET_OPTIONS): Delete.
2995         * config/avr/avr.opt: New file.
2996
2997 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2998
2999         * config/m32r/m32r-protos.h: Remove the prototypes for
3000         call_address_operand, symbolic_operand, seth_add3_operand,
3001         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3002         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3003         two_insn_const_operand, move_src_operand,
3004         move_double_src_operand, move_dest_operand,
3005         eqne_comparison_operator, signed_comparison_operator,
3006         large_insn_p, conditional_move_operand, carry_compare_operand,
3007         m32r_block_immediate_operand, extend_operand,
3008         reg_or_eq_int16_operand, int8_operand, and
3009         reg_or_zero_operand.
3010         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3011         seth_add3_operand, int8_operand, cmp_int16_operand,
3012         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3013         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3014         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3015         move_double_src_operand, move_dest_operand,
3016         eqne_comparison_operator, signed_comparison_operator,
3017         extend_operand, small_insn_p, large_insn_p,
3018         conditional_move_operand, carry_compare_operand,
3019         m32r_block_immediate_operand): Move to predicates.md.
3020         (MAX_MOVE_BYTES): Move to m32r.h.
3021         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3022         * config/m32r/m32r.md: Include predicates.md.
3023         * config/m32r/predicates.md: New.
3024
3025 2005-03-18  James E Wilson  <wilson@specifixinc.com>
3026
3027         PR c++/19769
3028         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
3029         origin.
3030
3031 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3032
3033         * config/mn10300/mn10300-protos.h: Remove the prototypes for
3034         call_address_operand, const_8bit_operand.
3035         * config/mn10300/mn10300.c (call_address_operand,
3036         const_8bit_operand, const_1f_operand): Move to predicates.md.
3037         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
3038         * config/mn10300/mn10300.md: Include predicates.md.
3039         * config/mn10300/predicates.md: New.
3040
3041 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
3042
3043         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
3044         declarations in diagnostics and %E for identifiers, not %s.
3045
3046 2005-03-18  Jan Hubicka  <jh@suse.cz>
3047             Dale Johannesen  <dalej@apple.com>
3048
3049         * basic-block.h (scale_bbs_frequencies_int,
3050         scale_bbs_frequencies_gcov_type): Declare.
3051         * cfg.c (RDIV): New macro.
3052         (update_bb_frequency_for_threading): Fix.
3053         * basic-block.h (scale_bbs_frequencies_int,
3054         scale_bbs_frequencies_gcov_type): New.
3055         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
3056         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
3057         scale_bbs_frequencies_int.
3058         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
3059
3060 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3061
3062         * config/m32r/m32r-protos.h: Remove the prototypes for
3063         call_address_operand, symbolic_operand, seth_add3_operand,
3064         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3065         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3066         two_insn_const_operand, move_src_operand,
3067         move_double_src_operand, move_dest_operand,
3068         eqne_comparison_operator, signed_comparison_operator,
3069         large_insn_p, conditional_move_operand, carry_compare_operand,
3070         m32r_block_immediate_operand, extend_operand,
3071         reg_or_eq_int16_operand, int8_operand, and
3072         reg_or_zero_operand.
3073         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3074         seth_add3_operand, int8_operand, cmp_int16_operand,
3075         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3076         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3077         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3078         move_double_src_operand, move_dest_operand,
3079         eqne_comparison_operator, signed_comparison_operator,
3080         extend_operand, small_insn_p, large_insn_p,
3081         conditional_move_operand, carry_compare_operand,
3082         m32r_block_immediate_operand): Move to predicates.md.
3083         (MAX_MOVE_BYTES): Move to m32r.h.
3084         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3085         * config/m32r/m32r.md: Include predicates.md.
3086         * config/m32r/predicates.md: New.
3087
3088         * config/pa/pa-protos.h: Add prototypes for magic_milli and
3089         shadd_constant_p.
3090         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
3091         symbolic_operand, symbolic_memory_operand,
3092         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
3093         indexed_memory_operand, move_dest_operand, move_src_operand,
3094         prefetch_cc_operand, prefetch_nocc_operand,
3095         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
3096         arith_operand, arith11_operand, pre_cint_operand,
3097         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
3098         ireg_operand, int5_operand, uint5_operand, int11_operand,
3099         uint32_operand, arith5_operand, and_operand, ior_operand,
3100         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
3101         pc_or_label_operand, div_operand, plus_xor_ior_operator,
3102         shadd_operand, movb_comparison_operator,
3103         cmpib_comparison_operator): Move to predicates.md.
3104         (magic_milli, shadd_constant_p): Make it extern.
3105         * config/pa/pa.h (PREDICATE_CODES): Remove.
3106         * config/pa/pa.md: Include predicates.md.
3107         * config/pa/predicates.md: New.
3108
3109         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
3110         predicate.
3111
3112 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3113
3114         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
3115         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
3116         config/alpha/freebsd.h, config/alpha/linux.h,
3117         config/alpha/netbsd.h, config/alpha/osf5.h,
3118         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
3119         config/h8300/h8300-protos.h, config/h8300/h8300.c,
3120         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
3121         doc/cppopts.texi: Update copyright.
3122
3123 2005-03-18  Jan Hubicka  <jh@suse.cz>
3124
3125         PR middle-end/20225
3126         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
3127         too late.
3128         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
3129         called too late.
3130
3131 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3132
3133         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
3134         VEC_safe_push.
3135
3136 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
3137
3138         * combine.c (gen_binary): Remove.
3139         (known_cond, simplify_shift_const, find_split_point,
3140         combine_simplify_rtx, simplify_if_then_else, simplify_set,
3141         simplify_logical, expand_field_assignment, extract_left_shift,
3142         force_to_mode, if_then_else_cond, apply_distributive_law,
3143         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
3144         simplify_comparison, reversed_comparison): Replace with
3145         simplify_gen_binary, simplify_gen_relational or
3146         distribute_and_simplify_rtx.
3147         (distribute_and_simplify_rtx): New function.
3148
3149 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
3150             Paolo Bonzini  <gcc.gnu.org>
3151
3152         * calls.c (setjmp_call_p, special_function_p): Update comments
3153         at the head of the functions.
3154
3155 2005-03-18  Jan Hubicka  <jh@suse.cz>
3156
3157         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
3158
3159         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
3160         function body should be released; do not proactively release function
3161         bodies in non-unit-at-a-time mode.
3162
3163 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
3164
3165         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
3166         mno-fp-ret-in-387 multilib variants.
3167
3168 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
3169
3170         * common.opt (m): Remove.
3171         * opts.c (handle_option): Pass 'm' options to set_target_switch if
3172         table lookup fails.
3173         (common_handle_option): Remove OPT_m case.
3174
3175 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3176
3177         * builtins.c (fold_builtin_bitop): Take decomposed arguments
3178         of CALL_EXPR.
3179         (fold_builtin_1): Update a call to fold_builtin_bitop.
3180
3181         * builtins.c (fold_builtin_signbit): Take decomposed arguments
3182         of CALL_EXPR.
3183         (fold_builtin_1): Update a call to fold_builtin_signbit.
3184
3185 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
3186
3187         PR tree-optimization/20474
3188         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
3189         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
3190
3191 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3192
3193         * config/h8300/h8300-protos.h: Remove prototypes for
3194         general_operand_src, general_operand_dst, single_one_operand,
3195         single_zero_operand, call_insn_operand,
3196         two_insn_adds_subs_operand, small_call_insn_operand,
3197         jump_address_operand, bit_operand, bit_memory_operand,
3198         stack_pointer_operand, const_int_gt_2_operand,
3199         const_int_ge_8_operand, const_int_qi_operand,
3200         const_int_hi_operand, incdec_operand, bit_operator,
3201         nshift_operator, eqne_operator, gtle_operator,
3202         gtuleu_operator, iorxor_operator.
3203         Add prototypes for h8sx_shift_type h8sx_classify_shift and
3204         h8300_ldm_stm_parallel.
3205         * config/h8300/h8300.c (h8sx_shift_type,): Move to
3206         h8300-protos.h.
3207         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
3208         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
3209         (h8300_ldm_stm_parallel): Make it extern.
3210         (h8300_ldm_parallel, h8300_stm_parallel,
3211         h8300_return_parallel, general_operand_src,
3212         general_operand_dst, h8300_dst_operand, h8300_src_operand,
3213         nibble_operand, reg_or_nibble_operand, single_one_operand,
3214         single_zero_operand, call_insn_operand,
3215         two_insn_adds_subs_operand, small_call_insn_operand,
3216         jump_address_operand, bit_operand, bit_memory_operand,
3217         stack_pointer_operand, const_int_gt_2_operand,
3218         const_int_ge_8_operand, const_int_qi_operand,
3219         const_int_hi_operand, incdec_operand, eqne_operator,
3220         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
3221         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
3222         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
3223         nshift_operator): Move to predicates.md.
3224         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
3225         * config/h8300/h8300.md: Include predicates.md.
3226         * config/h8300/predicates.md: New.
3227
3228 2005-03-17  Richard Henderson  <rth@redhat.com>
3229
3230         * config.gcc (ia64*-*-hpux*): Add extra_options.
3231         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
3232         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3233         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
3234         (ia64_tls_size_string, ia64_tune_string): Remove.
3235         (ia64_tune): Init to PROCESSOR_ITANIUM2.
3236         (TARGET_DEFAULT_TARGET_FLAGS): New.
3237         (TARGET_HANDLE_OPTION): New.
3238         (ia64_override_options): Move options parsing ...
3239         (ia64_handle_option): ... here.  New.
3240         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
3241         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
3242         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
3243         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
3244         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
3245         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
3246         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
3247         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
3248         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
3249         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
3250         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
3251         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
3252         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
3253         TARGET_EARLY_STOP_BITS): Remove.
3254         (TARGET_ILP32): Default false.
3255         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
3256         (enum ia64_inline_type): New.
3257         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3258         * config/ia64/ia64.md: Update for new definitions of
3259         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
3260         * config/ia64/ia64.opt: New file.
3261         * config/ia64/ilp32.opt: New file.
3262
3263 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3264
3265         PR target/18380
3266         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
3267
3268 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3269
3270         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
3271         instead of MASK_H8300S.
3272         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
3273         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
3274         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
3275         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
3276         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
3277         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
3278         TARGET_SWITCHES): Remove.
3279         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
3280         TARGET_H8300SX.
3281         * config/h8300/h8300.opt: New.
3282
3283         * config/alpha/alpha.opt, config/arc/arc.opt,
3284         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
3285         notices.
3286
3287 2005-03-17  Ian Lance Taylor  <ian@airs.com>
3288
3289         * gmon.c: Remove.
3290
3291 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
3292
3293         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
3294         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
3295         (TARGET_HANDLE_OPTION): Override default.
3296         (arc_handle_option): New function.
3297         (arc_init): Remove code to set arch_cpu_string.
3298         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
3299         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
3300         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
3301         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
3302         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
3303         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
3304         (arc_rodata_string, TARGET_OPTIONS): Delete.
3305         * config/arc/arc.opt: New file.
3306
3307 2005-03-17  Richard Henderson  <rth@redhat.com>
3308
3309         * doc/extend.texi (Weak Pragmas): New section.
3310         (attribute alias): Clarify that target must be in the same
3311         translation unit.
3312
3313 2005-03-17  Richard Henderson  <rth@redhat.com>
3314
3315         * config/alpha/alpha.opt: New file.
3316         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
3317         of alpha_cpu.
3318         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
3319         alpha_fprm_string, alpha_fptm_string): Make static.
3320         (alpha_tls_size_string): Remove.
3321         (alpha_handle_option): New.
3322         (override_options): Update for alpha_cpu/alpha_tune split.
3323         (alpha_file_start): Likewise.
3324         (TARGET_DEFAULT_TARGET_FLAGS): New.
3325         (TARGET_HANDLE_OPTION): New.
3326         * config/alpha/alpha.h (alpha_tune): Declare.
3327         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
3328         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
3329         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
3330         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
3331         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
3332         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
3333         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
3334         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
3335         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
3336         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
3337         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
3338         (TARGET_DEFAULT): Remove MASK_FP.
3339         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
3340         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
3341         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
3342         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
3343         alpha_tls_size_string): Remove.
3344         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
3345         (attribute tune): Rename from attribute cpu.
3346         * config/alpha/ev4.md: Update to match.
3347         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
3348         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
3349         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
3350         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
3351         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
3352         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
3353
3354 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
3355
3356         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
3357         and return without creating new state if before_nops_num is nonzero.
3358         * config/ia64/ia64.md (first_insn): New attribute.
3359         (alloc): Set it to yes.
3360
3361 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3362
3363         * tree-vectorizer.c (new_vec_stmt_info): Initialize
3364         STMT_VINFO_SUBVARS to NULL.
3365         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3366
3367 2005-03-16 Dale Johannesen  <dalej@apple.com>
3368
3369         * rtlanal.c (find_first_parameter_load):  Rewrite to
3370         return actual first param load or the call if none,
3371         instead of first in block, when not all loads exist.
3372
3373 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3374
3375         * optabs.c (expand_copysign_absneg): Make static.
3376         * optabs.h (expand_copysign_absneg): Delete prototype.
3377         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3378
3379 2005-03-16  Richard Henderson  <rth@redhat.com>
3380
3381         PR middle-end/15700
3382         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3383         (alias_pairs): Rename from output_defs.
3384         (find_decl_and_mark_needed): Split out from assemble_alias.