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1 2005-04-08  Mike Stump  <mrs@apple.com>
2
3         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4
5 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6
7         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
8
9         * function.c (push_function_context_to): Don't set
10         contains_functions.
11         * function.h (function): Remove contains_functions.
12         (current_function_contains_functions): Remove.
13
14         * function.h (function): Remove instrument_entry_exit.
15         (current_function_instrument_entry_exit): Remove.
16
17         * function.h (nonlocal_labels): Remove.
18
19         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
20
21         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
22         (check_attr_value, write_attr_get, write_expr_attr_cache,
23         find_attr, make_internal_attr): Don't reference negative_ok or
24         unsigned_p.
25         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
26         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
27         (ATTR_STATIC): Adjust the value.
28
29         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
30
31 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
32
33         * config/s390/tpf.h (ASM_SPEC): Define.
34
35 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
36
37         * tree-flow.h: Remove the prototype for
38         redirect_immediate_uses.
39         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
40
41 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
42
43         * arm.c (arm_const_double_by_parts): New function.
44         * arm-protos.h (arm_const_double_by_parts): Add prototype.
45         * arm.md (define_split for 64-bit constants): Add another one.
46
47 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
48
49         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
50
51 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
52
53         * system.h: Revert last change.
54
55 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
56
57         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
58         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
59         (TARGET_SWITCHES): Delete.
60         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
61         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
62         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
63         * config/xtensa/xtensa.opt: New file.
64
65 2005-04-08  Ben Elliston  <bje@au.ibm.com>
66
67         * config/fp-bit.c: Include L_mul_tf in #endif comment.
68         * config/fp-bit.h: Tidy comments.
69
70 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
71
72         * system.h: Poison PARAMS.
73
74 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
75
76         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
77         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
78         (TARGET_SWITCHES): Delete.
79         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
80         * config/vax/vax.opt: New file.
81
82 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
83
84         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
85
86 2005-04-07  Ian Lance Taylor  <ian@airs.com>
87
88         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
89         define.
90         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
91         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
92         Likewise.
93
94 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
95
96         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
97         all immediate uses in PHI nodes.
98
99 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
100
101         * arm.c (arm_const_double_inline_cost): Handle any constant by
102         using gen_lowpart and gen_highpart_mode.
103         (note_invalid_constants): All constants in an RTX with a constraint
104         that permits memory are now pushed to the constant pool.
105         (output_move_double): Delete code to handle reg to reg and 
106         constant to reg moves.
107         (const_double_needs_minipool, output_mov_immediate): Delete.
108         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
109         CONST_INT and CONST_VECTOR.
110         * arm.md (ANY64): New mode macro.
111         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
112         (movdf_soft_insn): Split reg-reg and const-reg moves.
113         (split patterns for 64-bit constant and register moves): New.
114         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
115         (cirrus_movdf_hard_insn): Likewise.
116         * fpa.md (movdf_fpa): Likewise.
117         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
118         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
119         constraints.
120         (movv2si_internal_2): Likewise.
121         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
122         (movdf_vfp): Likewise.
123         * arm-protos.h (output_mov_immediate): Delete prototype.
124
125 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
126
127         PR target/20093
128         * simplify-rtx.c (simplify_unary_operation_1): Check
129         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
130
131 2005-04-06  James E Wilson  <wilson@specifixinc.com>
132
133         PR target/20717
134         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
135         ADDR_EXPR.
136
137 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
138
139         * coverage.h (GCOV_TYPE_NODE): Delete.
140         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
141         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
142         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
143         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
144         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
145
146 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
147
148         PR other/20792
149         * Makefile.in (gcc.pot): Remove options.c dependency.
150         * optc-gen.awk: Don't quote help strings with N_().
151
152 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
153
154         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
155         the function returns a pointer type.
156
157 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
158
159         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
160         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
161         * doc/invoke.texi: Documnet salias-max-implicit-fields.
162         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
163         explicit_uses members.
164         (get_or_create_used_part_for): Initialize new fields.
165         (fieldoff_compare): New function.
166         (create_overlap_variables_for): Count number of fields, use
167         heuristic to determine whether to create subvars for vars with
168         only implicit uses.
169         Sort the field list by offset and avoid creating duplicate SFT's.
170
171 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
172
173         * c.opt (-F): Remove trailing whitespace from help string.
174         (-finput-charset): Use a tab to separate the switch name and help
175         string.
176         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
177         (-ftree-vectorizer-verbose): Likewise.
178
179 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
180
181         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
182         a PHI argument where a use occurs instead of all PHI arguments.
183
184 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
185
186         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
187         scope.
188
189 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
190
191         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
192         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
193         config/bfin/bfin.h: Fix comment typos.
194
195 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
196
197         * doc/install.texi: Update the URL for Jacks.
198         * doc/sourcebuild.texi: Likewise.
199
200 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
201
202         PR target/17245
203         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
204         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
205
206 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
207
208         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
209
210 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
211
212         * config/v850/v850-protos.h (override_options): Delete.
213         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
214         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
215         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
216         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
217         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
218         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
219         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
220         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
221         (OVERRIDE_OPTIONS): Delete.
222         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
223         (small_memory_info): Remove the value field.
224         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
225         TARGET_NO_APP_REGS.
226         * config/v850/v850.c (small_memory): Remove the value field.
227         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
228         (override_options): Delete.
229         (v850_handle_memory_option, v850_handle_option): New functions.
230         * config/v850/v850.opt: New file.
231
232 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
233
234         * config.host: Add a section for generic hosts, and a subsection
235         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
236         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
237         * config/host-darwin.h: New.
238         * config/x-darwin: New.
239         * config/i386/host-i386-darwin.c: New.
240         * config/i386/x-darwin: New.
241         * config/rs6000/host-darwin.c: Include host-darwin.h.
242         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
243         (darwin_rs6000_gt_pch_use_address): Likewise.
244         * config/rs6000/x-darwin: Change name of .o built, update
245         dependencies for changes to rs6000/host-darwin.c.
246
247 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
248
249         PR target/17824
250         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
251
252 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
253
254         * tree-vect-analyze.c (vect_analyze_loop_form): Call
255         split_loop_exit_edge instead of loop_split_edge_with. 
256
257 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
258
259         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
260         UNSPEC_SET_VSCR): New constants, used throughout.
261         (*andc3_v4sf): New.
262         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
263         Replace with...
264         (altivec_vspltis<VI_char>): ... this pattern, using
265         a QImode const_int_operand for the immediate.
266         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
267         define_expands.
268
269 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
270
271         PR target/17822
272         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
273
274 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
275
276         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
277
278 2005-04-06  Ben Elliston  <bje@au.ibm.com>
279
280         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
281         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
282         macros as living in "this file" and not gcc.h.
283
284 2005-04-06  Ben Elliston  <bje@au.ibm.com>
285
286         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
287         -ftree-live_range_split.  Perhaps renamed at some point?
288
289 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
290
291         PR target/20625
292         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
293         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
294
295 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
296
297         * tree-flow.h (number_of_iterations_cond): Declaration removed.
298         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
299         (number_of_iterations_special): New function.
300         (number_of_iterations_exit): Use number_of_iterations_special.
301         Use simplify_using_outer_evolutions only at -O3.
302         (number_of_iterations_cond, tree_simplify_using_condition,
303         simplify_using_initial_conditions, loop_niter_by_eval,
304         compare_trees, can_count_iv_in_wider_type_bound,
305         simplify_using_outer_evolutions): Use fold_build.
306
307 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
308
309         * doc/install.texi (Configuration): Document --with-java-home.
310
311 2005-04-05  Richard Henderson  <rth@redhat.com>
312
313         PR target/20342
314         PR target/20447
315         * config/i386/i386.c (print_operand): Handle vector zeros.
316         (ix86_split_to_parts): Handle CONST_VECTOR.
317         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
318         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
319         what modes to tie for MMX and SSE registers.
320         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
321         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
322         to vector modes as well.
323         * config/i386/predicates.md (const0_operand): Handle VOIDmode
324         properly as an input mode.
325
326 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
327
328         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
329
330 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
331
332         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
333
334 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
335
336         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
337         and local functions, set sse_nregs to 8 and float_in_sse.
338         (function_arg_advance, function_arg): If float_in_sse, pass
339         SFmode and DFmode arguments in SSE registers.
340         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
341
342         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
343         of -funit-at-a-time.
344
345 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
346
347         * config/i386/i386-protos.h (ix86_function_value): Accept two
348         arguments, like the target macro.
349         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
350         * config/i386/i386.c (ix86_function_value): Accept the second
351         argument of the target macro.
352         (ix86_function_ok_for_sibcall): Pass a function pointer to
353         ix86_function_value.
354         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
355         call to ix86_value_regno).
356         (ix86_value_regno): Add support for returning floating point values
357         in SSE registers.
358
359 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
360
361         PR tree-optimization/20076
362         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
363         that call __builtin_return or __builtin_apply_args.
364
365 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
366
367         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
368         Use immediate use iterator.
369         (stmt_is_bumper_for_loop): Use immediate use iterator.
370         * predict.c (strip_builtin_expect): Use update_stmt.
371         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
372         on all elements of a STATEMENT_LIST.
373         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
374         (bsi_remove): Remove imm_use links and mark the stmt as modified.
375         (bsi_replace): Mark stmt as modified and the update it.
376         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
377         (expand_complex_libcal): Call update_stmt.
378         (expand_complex_comparison): Call mark_stmt_modified.
379         (expand_complex_operations_1): Call update_stmt_if_modified.
380         (expand_vector_operations_1): Call mark_stmt_modified.
381         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
382         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
383         add_immediate_use, redirect_immediate_use,
384         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
385         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
386         (mark_new_vars_to_rename): Call update_stmt.
387         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
388         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
389         Ignore PHI nodes.
390         (unmodify_stmt): Delete.
391         (update_stmt): New.  Force an update of a stmt.
392         (update_stmt_if_modified): update a stmt if it is out of date.
393         (get_stmt_operands): Verify stmt is NOT modified. 
394         (stmt_modified_p): Update comment.
395         (delink_imm_use): Remove a use node from its immuse list.
396         (link_imm_use_to_list): Link a use node to a specific list.
397         (link_imm_use): Link a node to the correct list.
398         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
399         it in the correct list, if appropriate.
400         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
401         (relink_imm_use): Link a use node in place of another node in a list.
402         (relink_imm_use_stmt): LInk a node in place of another node, and set
403         the stmt pointer.
404         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
405         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
406         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
407         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
408         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
409         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
410         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
411         (has_zero_uses): New.  Return true if there are no uses of a var.
412         (has_single_use): New.  Return true if there is only a single use of a
413         variable.
414         (single_imm_use): New.  Return the simgle immediate use.
415         (num_imm_uses): New.  Return the number of immediate uses.
416         (get_v_must_def_ops): Use is now a pointer.
417         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
418         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
419         the use node.
420         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
421         (delink_stmt_imm_use): Delink all immuses from a stmt.
422         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
423         * tree-flow.h (struct dataflow_d): Delete.
424         (immediate_use_iterator_d): New.  Immediate use iterator struct.
425         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
426         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
427         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
428         iteration.
429         (struct stmt_ann_d): Remove dataflow_t from struct.
430         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
431         (if_convertible_phi_p): Use FAST immuse iterator.
432         (if_convertible_loop_p): Don't call compute_immediate_uses.
433         (replace_phi_with_cond_modify_expr): Call update_stmt.
434         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
435         update_stmt_if_modified.
436         (rewrite_all_into_ssa): Initialize ssa operands.
437         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
438         compute_immediate_uses.
439         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
440         ssa_property is available.
441         (execute_one_pass):  Change parameters passed to execute_todo.
442         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
443         (remove_ssa_form): Call fini_ssa_operands.
444         (insert_backedge_copies): Delete call to modify_stmt.
445         * tree-phinodes.c (make_phi_node): Initialize use nodes.
446         (release_phi_node): Delink any use nodes before releasing.
447         (resize_phi_node): Relink any use nodes.
448         (remove_phi_arg_num): Delink the use node.
449         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
450         (remove_all_phi_nodes_for): Release phi node first.
451         * tree-pretty-print.c (dump_generic_node): Print stmt address.
452         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
453         (scalarize_use, scalarize_copy): Call update_stmt.
454         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
455         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
456         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
457         (ccp_initialize): Remove call to compute_immediate_uses.
458         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
459         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
460         stmts.
461         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
462         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
463         (eliminate_redundant_computations): Call mark_stmt_modified.
464         (cprop_operand): Call mark_stmt_modified.
465         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
466         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
467         (dse_optimize_stmt): Use new immuse interface.
468         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
469         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
470         (substitute_single_use_vars): Use new immuse interface.
471         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
472         and compute_immediate_uses.
473         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
474         interface.
475         (rewrite_mem_refs): Call update_stmt.
476         (determine_lsm): Remove call to compute_imm_uses and free_df.
477         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
478         (try_unroll_loop_completely): Call update_stmt.
479         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
480         (rewrite_use_compare): Call update_stmt.
481         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
482         (rewrite_use) : Call update_stmt.
483         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
484         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
485         update_stmt.
486         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
487         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
488         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
489         use nodes.
490         (initialize_vuse_operand): New.  Initialize a vuse operand.
491         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
492         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
493         (finalize_ssa_defs): Use stmt parameter.
494         (correct_use_link): Ensure a use node is in the correct list, and has
495         the correct stmt pointer.
496         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
497         finalize_ssa_v_must_defs): Also initialize use nodes.
498         (finalize_ssa_stmt_operands): Pass extra stmt operands.
499         (build_ssa_operands): Seperate parsing from final operand construction.
500         (parse_ssa_operands): New.  Parse entry point for operand building.
501         (swap_tree_operands): New.  Swap 2 tree operands.
502         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
503         operands.
504         (get_expr_operands): Call swap_tree_operands when needed.
505         (copy_virtual_operands): Use initialize routines for virtual use ops.
506         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
507         (verify_abort): New.  Issue imm_use error.
508         (verify_imm_links): New Verify imm_use links for a var.
509         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
510         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
511         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
512         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
513         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
514         (NULL_USE_OPERAND_P) Define.
515         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
516         use node.
517         (struct vuse_operand_type): New struct.
518         (SET_USE): Call set_ssa_use_from_ptr.
519         (USE_STMT): Define.
520         (PHI_ARG_INDEX_FROM_USE): Define.
521         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
522         argument via SET_USE, not PHI_ARG_DEF_TREE.
523         * tree-ssa-pre.c (eliminate): Call update_stmt.
524         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
525         call free_df.
526         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
527         (nearest_common_dominator_of_uses): Use imm_use iterator.
528         (statement_sink_location): Use imm_use iterator and interface.
529         (execute_sink_code): Don't call compute_immediate_uses or free-df.
530         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
531         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
532         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
533         (verify_ssa): Ensure no stmt is marked modify after optimization pass
534         if new parameter is true.
535         (init_tree_ssa): Don't initialize operand cache here.
536         (delete_tree_ssa): Don't destroy operand cache here.
537         (propagate_into_addr): Pass in a use pointer, return true if anything
538         was changed.
539         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
540         (check_phi_redundancy): Use imm_use iterator.
541         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
542         free_df.
543         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
544         (release_ssa_name): Delink node and all elements in its imm_use list.
545         * tree-tailcall.c (adjust_return_value): Call update_stmt.
546         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
547         * tree-vectorizer.c (need_imm_uses_for): Delete.
548         (vectorize_loops): Dont call compute_immediate_uses or free_df.
549         * tree.h (struct ssa_imm_use_d): Define.
550         (SSA_NAME_IMM_USE_NODE): Define.
551         (struct tree_ssa_name): Add imm_use node.
552         (PHI_DF): Delete.
553         (PHI_ARG_IMM_USE_NODE): Define.
554         (struct phi_arg_d): Add imm_use node.
555         (struct tree_phi_node): Remove struct dataflow_d element.
556         (TDF_STMTADDR): Define.
557
558 2005-04-05  Dale Johannesen  <dalej@apple.com>
559
560         * doc/invoke.texi (Optimization Options):  Remove
561         duplicate -fcse-follow-jumps.  Add -fweb.
562         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
563         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
564
565 2005-04-05  Per Bothner  <per@bothner.com>
566
567         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
568         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
569         (warn_uninit): Get EXPR_LOCUS from context now instead.
570         This fixes a USE_MAPPED_LOCATION testsuite failure.
571
572         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
573
574 2005-04-05  Per Bothner  <per@bothner.com>
575
576         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
577         of the artification 'return 0' in main() to BUILTINS_LOCATION.
578         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
579         before warning. 
580
581 2004-04-05  Devang Patel  <dpatel@apple.com>
582
583         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
584         (lhsr<mode>3): ... new name.
585         (altivec_vsra<VI_char>): Rename to ..
586         (ashr<mode>3): ... new name.
587         * config/rs6000/rs6000.c (builtin_description): Rename shift
588         operations.
589         
590 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
591
592         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
593         gen_lowpart_for_combine.
594         * cse.c (gen_lowpart_if_possible): Move...
595         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
596         gen_lowpart_SUBREG.
597         (gen_lowpart_no_emit_general): Use it.
598
599 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
600
601         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
602         overriding.
603
604 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
605
606         * system.h: Fix typo.
607
608 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
609
610         * config/bfin/bfin-modes.def: New file.
611         * config/bfin/bfin-protos.h: New file.
612         * config/bfin/bfin.c: New file.
613         * config/bfin/bfin.h: New file.
614         * config/bfin/bfin.md: New file.
615         * config/bfin/bfin.opt: New file.
616         * config/bfin/crti.s: New file.
617         * config/bfin/crtn.s: New file.
618         * config/bfin/elf.h: New file.
619         * config/bfin/lib1funcs.asm: New file.
620         * config/bfin/predicates.md: New file.
621         * config/bfin/t-bfin: New file.
622         * config/bfin/t-bfin-elf: New file.
623         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
624         Document new attributes.
625         (interrupt, interrupt_handler, saveall): Update documentation for
626         these attributes.
627         * doc/install.texi (Specific): Add entry for the Blackfin.
628         * doc/invoke.texi (Blackfin Options): New section.
629         * doc/md.texi (Blackfin family): New section to document constraints.
630         * config.gcc: Add bfin*-* and bfin*-elf configurations.
631
632 2005-04-05  Olivier Hainque  <hainque@adacore.com>
633         
634         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
635         match what the system unwinder expects.
636         * config/mips/mips.c (mips_frame_set): If we're saving the return
637         address register and the dwarf return address column number differs
638         from the hard register number, adjust the note reg to refer to the
639         former.
640
641 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
642
643         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
644         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
645         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
646         (processor_type): New enum.
647         (mn10300_processor): New variable.
648         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
649         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
650         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
651         (PROCESSOR_DEFAULT): New macro.
652         * config/mn10300/mn10300.c (mn10300_processor): New variable.
653         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
654         (mn10300_handle_option, mn10300_override_options): New functions.
655         * config/mn10300/mn10300.opt: New file.
656
657 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
658             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
659
660         PR tree-optimization/19903
661         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
662         that don't fit in their type after conversion.
663
664 2005-04-05 Uros Bizjak <uros@kss-loka.si>
665
666         PR target/20421
667         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
668         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
669         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
670         flag here. Implement using define_insn_and_split.  
671         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
672         (frndintxf2_mask_pm_i387): New insn patterns.
673         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
674         Do not set ix86_optimize_mode_switching flag.
675         (ceilsf2, ceildf2, ceilxf2): Same.
676         (btruncsf2, btruncdf2, btruncxf2): Same.
677         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
678
679 2005-04-05  Ian Lance Taylor  <ian@airs.com>
680
681         PR debug/9963
682         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
683         i386_pe_record_external_function.
684         (i386_pe_record_external_function): Update declaration.
685         * config/i386/winnt.c (struct extern_list): Add decl field.
686         (i386_pe_record_external_function): Add decl parameter.
687         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
688         identifier.
689         * config/i386/i386-protos.h (i386_pe_record_external_function):
690         Update declaration.
691
692 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
693
694         * config/m68k/m68k-protos.h: Add a prototype for
695         valid_dbcc_comparison_p_2.
696         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
697         extend_operator, const_uint32_operand, const_sint32_operand,
698         general_src_operand, nonimmediate_src_operand,
699         memory_src_operand, post_inc_operand, pre_dec_operand,
700         pcrel_address): Move to predicates to predicates.md.
701         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
702         * config/m68k/m68k.md: Include predicates.md.
703         * config/m68k/predicates.md: New.
704
705 2005-04-04  Roger Sayle  <roger@eyesopen.com>
706
707         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
708
709         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
710
711 2005-04-04  Ian Lance Taylor  <ian@airs.com>
712
713         * c-typeck.c (struct c_switch): Rename switch_stmt field to
714         switch_expr.
715         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
716         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
717         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
718         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
719         * c-common.c (c_do_switch_warnings_1): New static function broken
720         out of c_do_switch_warnings.
721         (c_do_switch_warnings): Call c_do_switch_warnings_1.
722         (c_do_switch_expr_warnings): New function.
723         * c-common.h (c_do_switch_expr_warnings): Declare.
724
725 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
726             Daniel Jacobowitz  <dan@codesourcery.com>
727
728         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
729         trapping divide.
730         * rtlanal.c (may_trap_p): Same.
731
732 2005-04-04  Dale Johannesen  <dalej@apple.com>
733
734         * ChangeLog:  remove reference to ChangeLog.12.
735
736 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
737
738         CRIS epilogue as RTL.
739         * config/cris/cris.md: Change all 0 in unspec 0 to
740         CRIS_UNSPEC_PLT.
741         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
742         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
743         patterns.
744         ("return"): Change to define_expand.  Call cris_expand_return for
745         actual expansion.
746         ("*return_expanded"): New pattern.
747         ("epilogue"): New define_expand.
748         * config/cris/cris.h (PREDICATE_CODES): Add
749         cris_load_multiple_op.
750         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
751         type.
752         (enum cris_retinsn_type): New.
753         (struct machine_function): New member return_type.
754         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
755         (cris_target_asm_function_epilogue): Remove, moving RTLified
756         contents to...
757         (cris_expand_epilogue): New function.
758         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
759         (cris_gen_movem_load, cris_load_multiple_op)
760         (cris_return_address_on_stack_for_return, cris_expand_return): New
761         functions.
762         (cris_target_asm_function_prologue)
763         (cris_initial_frame_pointer_offset): Call
764         cris_reg_saved_in_regsave_area instead of complicated expression.
765         Call cris_return_address_on_stack instead of an expression.
766         (cris_print_operand) <case 'o', case 'O'>: New cases.
767         (cris_return_address_on_stack): Change return-type to bool.
768         (cris_simple_epilogue): Ditto.  Return false if registers are
769         saved.
770         * config/cris/cris-protos.h (cris_simple_epilogue)
771         (cris_return_address_on_stack): Adjust prototype return type.
772         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
773         (cris_return_address_on_stack_for_return): New prototypes.
774
775 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
776
777         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
778         gpr_or_int12_operand.
779
780         * config/frv/frv-protos.h: Add a prototype to
781         frv_legitimate_memory_operand and frv_const_unspec_p.
782         (frv_unspec): Move from frv.c.
783         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
784         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
785         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
786         gpr_or_fpr_operand, gpr_or_int12_operand,
787         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
788         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
789         int6_operand, int5_operand, uint5_operand, uint4_operand,
790         uint1_operand, int_2word_operand, uint16_operand,
791         upper_int16_operand, integer_register_operand,
792         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
793         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
794         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
795         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
796         move_destination_operand, movcc_fp_destination_operand,
797         frv_function_symbol_referenced_p, move_source_operand,
798         condexec_dest_operand, condexec_source_operand,
799         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
800         const_unspec_operand, gpr_or_memory_operand,
801         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
802         icc_operand, fcc_operand, cc_operand, icr_operand,
803         fcr_operand, cr_operand, call_operand, sibcall_operand,
804         symbolic_operand, relational_operator,
805         integer_relational_operator, float_relational_operator,
806         ccr_eqne_operator, minmax_operator,
807         condexec_si_binary_operator, condexec_si_media_operator,
808         condexec_si_divide_operator, condexec_si_unary_operator,
809         condexec_sf_conv_operator, condexec_sf_add_operator,
810         condexec_memory_operand, intop_compare_operator, acc_operand,
811         even_acc_operand, quad_acc_operand, accg_operand: Move to
812         predicates.md.
813         * config/frv/frv.h (PREDICATE_CODES): Remove.
814         * config/frv/frv.md: Include predicates.md.
815         * config/frv/predicates.md: New.
816
817 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
818
819         PR target/19537
820         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
821         * tree-ssa-loop-ivopts.c: Include langhooks.h.
822         (add_standard_iv_candidates_for_size): New function, extracting code
823         from add_standard_iv_candidates and parameterizing it by type size.
824         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
825
826 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
827
828         * system.h (GCOV_SIZE_TYPE): Unposion.
829         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
830         (GCOV_TYPE_SIZE): ...this new macro.
831         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
832         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
833         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
834         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
835         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
836         instead of unsigned_intSI_type_node.
837         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
838         (rtl_gen_one_value_profiler_no_edge_manipulation)
839         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
840         * value-prof.c: Include coverage.h.
841
842 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
843             Diego Novillo <dnovillo@redhat.com>
844             
845         Fix PR tree-optimization/20703
846         Fix PR tree-optimization/20725
847         
848         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
849         (create_expression_by_pieces): Ditto.
850         (valid_in_set): Ditto. Also handle tcc_declaration.
851         (find_or_generate_expression): Handle comparison class.
852         (insert_into_preds_of_block): Ditto.
853         (insert_aux): Ditto.
854         (create_value_expr_from): Handle comparison class, recursively
855         handle reference nodes.
856         (compute_avail): Handle comparison classes, rewrite a little cleaner.
857         (execute_pre): Fix spacing.
858         (do_fre): Renamed to execute_fre.
859
860 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
861
862         * doc/invoke.texi (SPARC options): Document that
863         -mlittle-endian is not supported on Linux either.
864
865 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
866
867         PR target/4198
868         PR target/12027
869         * config.gcc (Obsolete configurations): Remove
870         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
871         (sparclite-*-coff*): Delete.
872         (sparclite-*-elf*): Likewise.
873         (sparc86x-*-elf*): Likewise.
874         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
875         * config/sparc/lite.h: Delete.
876         * config/sparc/litecoff.h: Likewise.
877         * config/sparc/liteelf.h: Likewise.
878         * config/sparc/sp86x-elf.h: Likewise.
879         * config/sparc/t-sparclite: Likewise.
880         * config/sparc/t-sp86x: Likewise.
881
882 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
883
884         * config/s390/s390-protos.h: (s390_comparison,
885         s390_alc_comparison, s390_slb_comparison, const0_operand,
886         consttable_operand, larl_operand, s_operand,
887         shift_count_operand, bras_sym_operand, load_multiple_operation,
888         store_multiple_operation, s390_plus_operand): Remove prototypes.
889         (s390_legitimate_address_without_index_p): New prototype.
890         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
891         to s390.h.
892         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
893         const0_operand, consttable_operand, larl_operand, s_operand,
894         shift_count_operand, bras_sym_operand, load_multiple_operation,
895         store_multiple_operation, s390_plus_operand): Move to
896         predicates.md.
897         (check_mode): Remove.
898         (s390_branch_condition_mask): Remove 'static'. Move prototype to
899         s390-protos.h.
900         (s390_legitimate_address_without_index_p): New.
901         * config/s390/s390.h (PREDICATE_CODES): Remove.
902         * config/s390/s390.md: Include predicates.md.
903         * config/s390/predicates.md: New.
904
905 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
906
907         PR target/20446
908         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
909         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
910         (NEED_INDICATE_EXEC_STACK): Define to 1.
911         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
912         (NEED_INDICATE_EXEC_STACK): Define to 1.
913         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
914         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
915         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
916         (pic_helper_emitted_p): New global.
917         (emit_pic_helper): New function extracted from...
918         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
919         Do not call emit_pic_helper if delay_pic_helper is true.
920         (sparc_expand_prologue): Pass 'false' to load_pic_register.
921         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
922         (sparc_file_end): New function.
923
924 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
925
926         * config/mcore/mcore-protos.h: Remove the prototypes for
927         mcore_arith_reg_operand, mcore_general_movsrc_operand,
928         mcore_general_movdst_operand, mcore_reload_operand,
929         mcore_arith_J_operand, mcore_arith_K_operand,
930         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
931         mcore_arith_K_S_operand, mcore_arith_imm_operand,
932         mcore_arith_any_imm_operand, mcore_arith_O_operand,
933         mcore_literal_K_operand, mcore_addsub_operand,
934         mcore_compare_operand, mcore_load_multiple_operation,
935         mcore_store_multiple_operation, mcore_call_address_operand.
936         Add a prototype for const_ok_for_mcore.
937         * config/mcore/mcore.c (mcore_call_address_operand,
938         mcore_general_movsrc_operand, mcore_general_movdst_operand,
939         mcore_arith_reg_operand, mcore_reload_operand,
940         mcore_arith_J_operand, mcore_arith_K_operand,
941         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
942         mcore_arith_M_operand, mcore_arith_imm_operand,
943         mcore_arith_any_imm_operand, mcore_arith_O_operand,
944         mcore_literal_K_operand, mcore_addsub_operand,
945         mcore_compare_operand, mcore_load_multiple_operation,
946         mcore_store_multiple_operation): Move to predicates.md.
947         (const_ok_for_mcore): Export.
948         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
949         * config/mcore/mcore.md: Include predicates.md.
950         * config/mcore/predicates.md: New.
951
952         * config/mcore/predicates.md: Fix a comment typo.
953
954 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
955             Adrian Straetling  <straetling@de.ibm.com>
956
957         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
958         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
959         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
960         attribute.
961         ("imul"): Removed from "type" attribute.
962         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
963         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
964         Changed type to imulsi.
965         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
966
967 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
968
969         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
970         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
971         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
972         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
973         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
974         (TARGET_SWITCHES, mcore_stack_increment_string)
975         (TARGET_OPTIONS): Delete.
976         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
977         than *_BIT constants.
978         (TARGET_8ALIGN): #undef old definition before redefining to 1.
979         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
980         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
981         (mcore_override_options): Delete mcore_stack_increment code.
982         Change use of M340_BIT to MASK_M340.
983         * config/mcore/mcore.opt: New file.
984
985 2005-04-04  Ian Lance Taylor  <ian@airs.com>
986
987         * config/arm/arm.c (replace_symbols_in_block): Remove static
988         function.
989
990 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
991
992         * config/fr30/fr30-protos.h: Remove the prototypes for
993         stack_add_operand, add_immediate_operand,
994         high_register_operand, low_register_operand, call_operand,
995         di_operand, and nonimmediate_di_operand.
996         * config/fr30/fr30.c (stack_add_operand,
997         add_immediate_operand, high_register_operand,
998         low_register_operand, call_operand, di_operand,
999         nonimmediate_di_operand): Move to predicates.md.
1000         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
1001         * config/fr30/fr30.md: Include predicates.md.
1002         * config/fr30/predicates.md: New.
1003
1004         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
1005         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
1006         mcore_call_address_operand.
1007
1008         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
1009         general_movsrc_operand.
1010
1011 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
1012
1013         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
1014         after freeing.
1015
1016 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
1017
1018         PR target/14812
1019         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
1020         a negated value.
1021
1022 2005-04-04  Richard Henderson  <rth@redhat.com>
1023             Jakub Jelinek  <jakub@redhat.com>
1024
1025         PR rtl-optimization/16104
1026         * fold-const.c (fold_unary): Fix folding of vector conversions.
1027
1028 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1029
1030         * config.gcc (xstormy16-*-elf): Set extra_options.
1031         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
1032         * config/stormy16/stormy16.opt: New file.
1033
1034 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1035
1036         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
1037         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
1038         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
1039         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
1040         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
1041         (TARGET_UNIX_ASM): Delete.
1042         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
1043         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
1044         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
1045         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1046         * config/pdp11/pdp11.opt: New file.
1047
1048 2005-04-03  Roger Sayle  <roger@eyesopen.com>
1049             Alexandre Oliva  <aoliva@redhat.com>
1050
1051         PR c++/19199
1052         * fold-const.c (non_lvalue): Split tests into...
1053         (maybe_lvalue_p): New function.
1054         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
1055         C++ front-end prior to lowering into gimple form.
1056
1057 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1058
1059         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
1060         BUILT_IN_STRNCASECMP): New.
1061         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
1062         and strndup.
1063
1064 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
1065
1066         PR target/14812
1067         * arm.md (addsi3_compare0_for_combiner): Delete.
1068         (addsi3_compare0_scratch_for_combiner): Delete.
1069         (cmpsi_neg_shiftsi): Delete.
1070         (compare_negsi_si): New pattern.
1071         (cmpsi_negshiftsi_si): New pattern.
1072         (negated_cbranchsi4): Restrict to equality_operator.
1073         
1074         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
1075         template.
1076
1077 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1078
1079         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
1080         Fix comment typos.
1081
1082         * doc/install.texi: Fix a typo.
1083
1084 2005-04-03  Steven Bosscher  <stevenb@suse.de>
1085
1086         PR middle-end/20648
1087         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
1088         a computed goto if the edge to the computed goto block has
1089         incoming abnormal edges.  Clarify how the function works.
1090
1091 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
1092
1093         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
1094         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
1095         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
1096         hash_scan_set, reg_set_between_after_reload_p,
1097         reg_used_between_after_reload_p, get_avail_load_store_reg,
1098         eliminate_partially_redundant_load): Likewise.
1099         * postreload.c (reload_cse_simplify_set,
1100         reload_combine_note_use): Likewise.
1101         * predict.c (predict_insn, expected_value_to_br_prob,
1102         propagate_freq, expensive_function_p): Likewise.
1103         * print-rtl.c (print_rtx): Likewise.
1104         * profile.c (instrument_edges, instrument_values,
1105         compute_branch_probabilities, branch_prob, union_groups,
1106         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
1107         * protoize.c (in_system_include_dir, file_could_be_converted,
1108         file_normally_convertible, gen_aux_info_file, seek_to_line,
1109         do_cleaning): Likewise.
1110         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
1111         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1112         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1113
1114 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1115
1116         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
1117         * modulo-sched.c (undo_replace_buff_elem): New structure.
1118         (kernel_number_of_cycles, ps_unschedule_node,
1119         undo_generate_reg_moves,free_undo_replace_buff,
1120         undo_permute_partial_schedule,  loop_single_full_bb_p,
1121         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
1122         build_loops_structure, get_sched_window): New.
1123         (generate_reg_moves): Return undo_replace_buff_elem and other
1124         fixes.
1125         (generate_prolog_epilog): Remove old loop versioning.
1126         (sms_schedule): Use loop information and loop_version.
1127         (sms_schedule_by_order): Split part of it to get_sched_window.
1128         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
1129         cfg_layout_finalize and free_dominance_info before/after SMS.
1130
1131 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1132
1133         * cfghooks.c (lv_flush_pending_stmts,
1134         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
1135         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
1136         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
1137         lv_add_condition_to_bb,
1138         lv_adjust_loop_header_phi, extract_cond_bb_edges,
1139         flush_pending_stmts): New in cfg_hooks structure.
1140         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
1141         extract_cond_bb_edges, lv_adjust_loop_header_phi,
1142         lv_add_condition_to_bb): New declarations.
1143         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
1144         bool.
1145         (loop_version): Declare.
1146         * cfgloopmanip.c (cfghooks.h): Include.
1147         (duplicate_loop_to_header_edge): Change return type to bool.
1148         (loop_version, lv_adjust_loop_entry_edge): Move here.
1149         * cfgrtl.c (cfgloop.h): Include.
1150         (rtl_verify_flow_info_1): Fix.
1151         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
1152         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
1153         initialization.
1154         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
1155         tree_lv_add_condition_to_bb): New.
1156         (tree_cfg_hooks): Add new hooks to initialization.
1157         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
1158         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
1159
1160 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1161
1162         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
1163         xstormy16_below100_or_register,
1164         xstormy16_splittable_below100_or_register, and
1165         nonimmediate_nonstack_operand.
1166
1167         * config/stormy16/stormy16-protos.h: Remove the prototypes for
1168         xstormy16_ineqsi_operator, equality_operator,
1169         inequality_operator, shift_operator,
1170         xstormy16_below100_operand, xstormy16_below100_or_register,
1171         xstormy16_splittable_below100_or_register,
1172         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
1173         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
1174         equality_operator, inequality_operator,
1175         xstormy16_below100_operand, xstormy16_below100_or_register,
1176         xstormy16_splittable_below100_or_register,
1177         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
1178         nonimmediate_nonstack_operand, shift_operator): Move to
1179         predicates.md.
1180         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
1181         * config/stormy16/stormy16.md: Include predicates.md.
1182         * config/stormy16/predicates.md: New.
1183
1184 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1185
1186         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
1187         small_int, large_int, reg_or_0_operand, simple_memory_operand,
1188         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
1189         move_operand, power_of_2_operand): Move to predicates.md.
1190         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
1191         PREDICATE_CODE): Remove.
1192         * config/iq2000/iq2000.md: Include predicates.md.
1193         * config/iq2000/predicates.md: New.
1194
1195 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
1196
1197         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
1198         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
1199         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
1200         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
1201         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
1202         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
1203         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
1204         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1205         (TARGET_M68HC11): Delete.
1206         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
1207         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
1208         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
1209         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1210         (nb_soft_regs): Delete.
1211         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
1212         (m68hc11_override_options): Remove the code that caters for MASK_M6811
1213         and MASK_M6812 being set simultaneously.  Change the code that sets
1214         the default m68hc11_soft_reg_count to use integers instead of strings.
1215         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
1216         m68hc11_soft_reg_count (which now has an int type) as the number
1217         of soft registers.
1218         * config/m68hc11/m68hc11.opt: New file.
1219
1220 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1221
1222         * config/fr30/fr30.h (PREDICATE_CODES): Remove
1223         fp_displacement_operand, sp_displacement_operand.
1224
1225         * config/m68hc11/m68hc11-protos.h: Add a prototype for
1226         m68hcc_auto_inc_p.
1227         Remove the prototypes for tst_operand, cmp_operand,
1228         stack_register_operand, d_register_operand,
1229         hard_addr_reg_operand, splitable_operand,
1230         m68hc11_logical_operator, m68hc11_arith_operator,
1231         m68hc11_non_shift_operator, m68hc11_shift_operator,
1232         m68hc11_unary_operator, m68hc11_eq_compare_operator,
1233         non_push_operand, hard_reg_operand, and
1234         reg_or_some_mem_operand.
1235         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
1236         extern.
1237         (tst_operand, cmp_operand, non_push_operand,
1238         splitable_operand, reg_or_some_mem_operand,
1239         stack_register_operand, d_register_operand,
1240         hard_addr_reg_operand, hard_reg_operand,
1241         m68hc11_eq_compare_operator, m68hc11_logical_operator,
1242         m68hc11_arith_operator, m68hc11_non_shift_operator,
1243         m68hc11_shift_operator, m68hc11_unary_operator): Move to
1244         predicates.md.
1245         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
1246         * config/m68hc11/m68hc11.md: Include predicates.md.
1247         * config/m68hc11/predicates.md: New.
1248
1249 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1250
1251         PR debug/19345
1252         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
1253         change checked in along with 2005-03-03's patch for debug/20253.
1254         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
1255         (remap_decl): Insert type decl in map earlier.
1256
1257 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1258
1259         PR tree-optimization/20640
1260         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
1261         post-dominator if it has phi nodes.
1262         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
1263         before dead statements.
1264
1265 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1266
1267         PR middle-end/20491
1268         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
1269
1270 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1271
1272         PR rtl-optimization/20290
1273         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
1274         in every iteration if the entry point is the exit test.
1275
1276 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
1277
1278         * config/cris/cris.md (attribute "length"): Define.
1279
1280 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
1281
1282         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
1283         (word_offset_memref_operand): New.
1284         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
1285         (indexed_or_indirect_operand): Delete.
1286         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
1287         (indexed_or_indirect_operand): Delete.
1288
1289         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
1290
1291         PR 20650
1292         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
1293         a register.
1294
1295         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
1296         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
1297
1298 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1299
1300         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
1301
1302 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1303
1304         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
1305         (rus, prus): Remove static variables.
1306         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
1307         (process_command): Permit report_times and use_pipes together.
1308
1309 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1310
1311         * c-decl.c (validate_proto_after_old_defn): Look at
1312         TYPE_MAIN_VARIANT of argument types.
1313
1314 2005-04-01  Paul Brook  <paul@codesourcery.com>
1315
1316         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
1317         (arm_output_function_epilogue): Allow call_via_SP.
1318         (thumb_call_via_reg, arm_file_end): Ditto.
1319         * config/arm/arm.h (struct machine_function): Include space for SP.
1320         (thumb_call_via_label): Update declaration.
1321
1322 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1323
1324         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
1325         doing a peephole optimization, once again put any notes in the
1326         proper position.
1327
1328 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1329
1330         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
1331
1332 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1333
1334         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
1335         (block_alloc, find_free_reg): Likewise.
1336         * loop-doloop.c (doloop_modify): Likewise.
1337         * loop-invariant.c (record_use): Likewise.
1338         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
1339         get_iv_value, canon_condition, eliminate_implied_condition,
1340         eliminate_implied_condition, simplify_using_initial_values,
1341         shorten_into_mode, canonicalize_iv_subregs,
1342         iv_number_of_iterations): Likewise.
1343         * loop-unroll.c (expand_var_during_unrolling): Likewise.
1344         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
1345         unswitch_loop): Likewise.
1346         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
1347         move_movables, replace_call_address, find_and_verify_loops,
1348         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
1349         record_giv, final_giv_value, general_induction_var,
1350         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
1351         loop_giv_dump): Likewise.
1352
1353         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
1354         GCOV_CHECK_WRITING): Remove.
1355         (gcov_position, gcov_rewrite): Use gcc_assert.
1356         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
1357         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
1358         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
1359         gcc_assert.
1360
1361 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1362
1363         * tree-inline.c: Fix a typo.
1364
1365 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1366
1367         * configure.ac (enable-checking): Explicitly set all variables for
1368         collective switch values.  Alphabetize variables. Rename
1369         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1370         synonym for 'no'.
1371         * doc/install.texi (enable-checking): Update documentation.
1372         * configure: Rebuilt.
1373
1374 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1375
1376         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1377         possible.
1378
1379 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1380
1381         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1382         Also reject cases where this pattern will cause load delay stalls
1383         unless optimizing for size and it will produce a shorter sequence.
1384         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1385         variants to avoid pre-adjusting the base when possible.
1386
1387 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1388
1389         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1390         the frame and argument pointers.
1391         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1392         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1393         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1394         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1395         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1396         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1397
1398 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1399
1400         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1401         with entry for selectany attribute.
1402         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1403         Declare.
1404         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1405         (i386_pe_asm_named_section): Handle sections generated by
1406         selectany attribute.
1407         * doc/extend.texi (selectany): Document attribute.
1408
1409 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1410             Jan Hubicka  <jh@suse.cz>
1411
1412         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1413         to fix addresses involving EBP and ESP.
1414         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1415         for SUBREGed registers.
1416         (legitimate_address_p): Accept SUBREGed registers.
1417
1418 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1419
1420         PR c++/19406
1421         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1422         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1423         for FIELD_DECLs.
1424
1425 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1426
1427         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1428
1429 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1430
1431         PR c++/20505
1432         * dwarf2out.c (rtl_for_decl_init): New function.
1433         (rtl_for_decl_location): Extracted from here.
1434         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1435         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1436
1437 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1438
1439         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1440         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1441         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1442         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1443         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1444         config/i386/i386.md, config/rs6000/predicates.md,
1445         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1446         config/s390/s390.c, config/stormy16/stormy16.c,
1447         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1448         typos.
1449
1450 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1451
1452         PR c/17855
1453         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1454         COND_EXPR and CALL_EXPR.
1455
1456 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1457
1458         PR target/20632
1459         * genautomata.c (first_cycle_unit_presence): Check all alternative
1460         states for unit presence.
1461
1462         * doc/md.texi: Remove remark about impossibility to query unit
1463         presence in non nondeterministic automaton state.
1464         
1465         * config/ia64/ia64.c (get_template): Change order of unit querying.
1466
1467 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1468
1469         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1470         obsolete comment.
1471
1472 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1473
1474         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1475         flag for edges outside any loops.
1476
1477 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1478
1479         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1480
1481 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1482
1483         * tree-ssa-alias.c: Follow spelling conventions.
1484         * doc/tree-ssa.texi: Fix a typo.
1485
1486 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1487
1488         * postreload-gcse.c: Include target.h.
1489         (gcse_after_reload_main): Return early if we cannot modify jumps.
1490         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1491
1492 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1493
1494         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1495         expensive operations.
1496
1497 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1498
1499         * collect2.c (lderrout): New variable.
1500         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1501         if it is set, to stderr.
1502         (handler): Unlink lderrout if it is set.
1503         (dump_file): Add "to" parameter.  Change all callers.
1504         (main): Initialize lderrout.
1505         (collect_execute): Add errname parameter.  Change all callers.
1506         Rename redir parameter to outname.  Never pass
1507         PEX_STDERR_TO_STDOUT to pex_run.
1508         * collect2.h (collect_execute, dump_file): Update declarations.
1509         * tlink.c (tlink_execute): Add errname parameter.  Change all
1510         callers.
1511         (do_tlink): Check lderrout as well as ldout.
1512
1513 2005-03-31  Caroline Tice  <ctice@apple.com>
1514
1515         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1516         (bb-reorder.o): Add errors.h to list of requirements.
1517         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1518         profiledbootstrap flags.
1519         * bb-reorder.c (errors.h): Add new include.
1520         (struct bbro_basic_block_data_def): Add new field, in_trace.
1521         (add_unlikely_executed_notes):  Remove function.
1522         (mark_bb_for_unlikely_executed_section): Remove function.
1523         (insert_section_boundary_note): New function.
1524         (verify_hot_cold_block_grouping): New function.
1525         (push_to_next_round_p): Remove variables and tests that push all
1526         cold blocks to last round.
1527         (find_traces): Remove code that added extra round of trace finding
1528         when doing partitioning.
1529         (find_traces_1_round) :  Remove variable last_round;  add code to 
1530         update new struct field, in_trace; correct trace_length where it was 
1531         incorrect before (after call to copy_bb); change code that pushed all 
1532         cold blocks to last round. Instead verify that all blocks going into 
1533         a trace belong in the same partition.
1534         (connect_traces): Modify to connect the traces in two passes, if the
1535         function contains both hot and cold blocks.  The first pass connects 
1536         all the traces for blocks in the partition that the first block in 
1537         the function belongs to; the second pass connnects all the traces 
1538         containing blocks that belong in the other partition.
1539         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1540         code that automatically put the first block in a function into the
1541         hot partition if the function had any hot blocks.
1542         (fix_crossing_unconditional_branches): Check number of succ edges 
1543         before attempting to get one.
1544         (fix_edges_for_rarely_executed_code):  Update comment describing
1545         function.
1546         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1547         remove call to add_unlikely_executed_notes; add call to 
1548         verify_hot_cold_block_grouping.
1549         (duplicate_computed_gotos): Don't change computed goto if it's a 
1550         crossing edge.
1551         (partition_hot_cold_basic_blocks):  Update function comment.
1552         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1553         condition.
1554         (try_forward_edges): Likewise.
1555         (merge_blocks_move_predecessor_nojumps): Likewise.
1556         (merge_blocks_move_successor_nojumps): Likewise.
1557         (merge_blocks_move): Likewise.
1558         (try_crossjump_bb): Likewise.
1559         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1560         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1561         notes to cold bb's; remove call to update_unlikely_executed_notes.
1562         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1563         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1564         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1565         function declaration.
1566         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1567         from consideration.
1568         (rtl_can_merge_blocks): Remove redundancy from condition.
1569         (try_redirect_by_replacing_jump): Likewise.
1570         (force_nonfallthru_and_redirect): Remove code for adding
1571         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1572         (commit_one_edge_insertion): Likewise.
1573         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1574         * dbxout.c (FORCE_TEXT): Replace function_section with 
1575         current_function_section.
1576         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1577         function, switch_text_section.
1578         (struct xcoff_debug): Likewise.
1579         (dbxout_function_end): Add code to put out label diffs for both
1580         hot and cold sections.
1581         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1582         for new debug_hooks funciton, switch_text_section..
1583         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1584         switch_text_section.
1585         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1586         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1587         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1588         dw_fde_switched_sections.
1589         (output_call_frame_info):  Add test to see if function switches text
1590         sections in the middle; if so, use appropriate extra hot and cold 
1591         section labels to compute size deltas for the hot and cold sections.
1592         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1593         dw_fde_struct.
1594         (dwarf2out_switch_text_section): New function (invoked through 
1595         debug_hook); updates new fields in dw_fde_struct appropriately and
1596         increments separate_line_info_table_in_use.
1597         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1598         dwarf2out_switch_text_section.
1599         (struct var_loc_node): Add new field, section_label.
1600         (output_aranges): Add code to check whether in hot or cold section and
1601         use the appropriate label in calculating deltas.
1602         (output_ranges): Likewise.
1603         (output_line_info): Add code to check which section we're in and
1604         use appropriate hot/cold label.
1605         (add_location_or_constant_value_attribute): Likewise.
1606         (gen_subprogam_die): Modify arange attributes to use correct labels.
1607         (dwarf2out_begin_block): Change call to function_section into call to
1608         current_function_section.
1609         (dwarf2out_end_block): Likewise.
1610         (dwarf2out_source_line): Likewise.
1611         (dwarf2out_var_location): Add code to check whether in hot or cold 
1612         section and use the appropriate label.
1613         * except.c (output_function_exception_table): Change call to 
1614         function_section into call to current_function_section.
1615         * final.c (profile_function): Likewise.
1616         (scan_ahead_for_unlikely_executed_note): Remove function.
1617         (final_scan_insn):  Remove calls to 
1618         scan_ahead_for_unlikely_executed_note, and related code for switching 
1619         to cold section, except for the single time 
1620         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1621         debug_hooks->switch_text_sections; replace appropriate calls to 
1622         function_section with calls to current_function_section.
1623         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1624         test_bb to condition.
1625         (find_if_case_2): Likewise.
1626         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1627         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1628         * opts.c (decode_options): Change warning about hot/cold partitioning
1629         with exceptionss to inform (so as not to cause bootstrap failures);
1630         remove warning about partitioning with DWARF debug info.
1631         * output.h (current_function_section): Add new function decl.
1632         (insert_section_boundary_note): Likewise.
1633         (enum in_section): Move this declaration here from varasm.c.
1634         (unlikely_section_label): Likewise.
1635         (unlikely_text_section_name): Likewise.
1636         (last_text_section_name): New global variable.
1637         (last_text_section): Likewise.
1638         (hot_section_label): Likewise.
1639         (hot_section_end_label): Likewise.
1640         (cold_section_end_label): Likewise.
1641         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1642         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1643         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1644         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1645         insn from consideration.
1646         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1647         switch_text_section.
1648         * varasm.c (basic-block.h): Add new include.
1649         (unlikely_section_label_printed): Remove global variable.
1650         (unlikely_section_label): Make global variable not be static any more.
1651         (unlikely_text_section_name): Likewise.
1652         (hot_section_end_label): New global variable (not static)
1653         (first_function_block_is_cold): Likewise.
1654         (hot_section_label): Likewise.
1655         (cold_section_end_label): Likewise..
1656         (last_text_section): New global variable, not static.
1657         (last_text_section_name): New global variable, not static.
1658         (initialize_cold_section_name): New function.
1659         (enum in_section): Move declaration to output.h.
1660         (text_section): Update last_text_section.
1661         (unlikely_text_section): Replace code to determine cold section name 
1662         with call to initialize_cold_section_name; Add code to update 
1663         last_text_section; remove code for printing out label.
1664         (named_section_real): Add code to update last_text_section and 
1665         last_text_section_name as appropriate.
1666         (function_section): Change test for 'unlikely' to depend on
1667         first_function_block_is_cold (moved old test to 
1668         current_function_section).
1669         (current_function_section): New function.
1670         (assemble_start_function): Move code that frees 
1671         unlikely_text_section_name; initialize hot_section_end_label; 
1672         print hot and cold section labels at the start of the function; 
1673         set first_function_block_is_cold, if appropriate; initialize l
1674         ast_text_section; add call to insert_section_boundary_note.
1675         (assemble_end_function):  Add code to write out hot and cold section
1676         end labels.
1677         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1678         switch_text_section.
1679         * config/darwin.c (machopic_select_section): Replace incorrect 
1680         function in base_funs; update reloc for cold sections if necessary.
1681         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1682         last_text_section if appropriate.
1683         (text_unlikely_section): Remove.
1684         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1685         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1686         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1687         partitioning for this architecture.
1688
1689 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1690
1691         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1692         defined and non-zero.
1693
1694 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1695
1696         PR c++/18644
1697         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1698         semantics. 
1699
1700 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1701
1702         PR target/20611
1703         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1704         label operand.  Remove (use (unspec..)).  Don't emit a label on
1705         the offset word.
1706         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1707         generate inline label for load_toc_v4_PIC_1b.
1708         (rs6000_emit_load_toc_table): Likewise.
1709
1710 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1711
1712         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1713         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1714
1715 2005-03-29  Devang Patel  <dpatel@apple.com>
1716
1717         * tree-sra.c (decide_block_copy): Disable scalarization of
1718         sub-elements.
1719         
1720 2005-03-30  Stuart Hastings  <stuart@apple.com>
1721             Dale Johannesen  <dalej@apple.com>
1722
1723         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1724         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1725
1726 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1727
1728         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1729         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1730         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1731         is given with "powerpc64*" or "all", or when --with-cpu chooses
1732         a 64-bit cpu.
1733
1734 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1735
1736         PR debug/20268
1737         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1738         gen_lexical_block_die.
1739         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1740
1741 2005-03-31  Jan Hubicka  <jh@suse.cz>
1742
1743         2004-11-02  Jan Hubicka  <jh@suse.cz>
1744
1745         * cgraph.c (cgraph_varpool_node_name): New function.
1746         (dump_cgraph_varpool_node): New function.
1747         (dump_varpool): New function.
1748         * cgraphunit.c (cgraph_optimize): Dump varpool.
1749
1750         2004-10-16  Jan Hubicka  <jh@suse.cz>
1751
1752         * cgraph.c (decide_is_variable_needed): New function.
1753         (cgraph_varpool_finalize_decl): Use it.
1754         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1755         unit-at-a-time.
1756         * final.c (output_addr_const): Do not call mark_referenced.
1757         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1758         always go via cgraph.
1759         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1760         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1761         * tree-optimize.c (execute_inline): Mark functions called.
1762         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1763
1764         2004-10-11  Jan Hubicka  <jh@suse.cz>
1765
1766         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1767         (cgraph_varpool_last_needed_node): New static variable.
1768         (enqueue_needed_varpool_node): Break out from ...; add items to the
1769         end of queue; update first pointers.
1770         (cgraph_varpool_mark_needed_node): ... here.
1771         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1772         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1773         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1774         (cgraph_varpool_first_unanalyzed_node): Declare.
1775         * cgraphunit.c: Include output.h.
1776         (cgraph_varpool_analyze_pending_decls): New function.
1777         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1778         for errors, analyze pending decls.
1779         (cgraph_finalize_compilation_unit): Only analyze decls.
1780         (cgraph_optimize): Assemble the decls after expanding.
1781
1782 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1783
1784         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1785         subvars get marked properly in tags for grouping.
1786         (add_pointed_to_var): Mark only actual pointed to
1787         variables/subvars in addresses needed.
1788         (create_overlap_variables_for): Clear call clobbered on original
1789         variable.
1790         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1791         addresable vars with subvars into list.
1792         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1793         subvar should be.
1794
1795 2005-03-30  Richard Henderson  <rth@redhat.com>
1796
1797         * cgraph.h (struct cgraph_node): Add alias.
1798         * varasm.c (assemble_alias): Set it.
1799         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1800         avoid calling cgraph_expand_function.
1801
1802 2005-03-30  Tom Tromey  <tromey@redhat.com>
1803
1804         * tree.def (FILE_TYPE): Removed.
1805         * typeclass.h (enum type_class): Removed file_type_class.
1806         * dwarf2out.c (is_base_type): Updated.
1807         (gen_type_die): Likewise.
1808         * dbxout.c (dbxout_type): Updated.
1809         * builtins.c (type_to_class): Updated.
1810         * tree.c (type_contains_placeholder_1): Updated.
1811         * config/sparc/sparc.c (sparc_type_code): Updated.
1812         * config/ia64/ia64.c (hfa_element_mode): Updated.
1813         * expr.c (count_type_elements): Updated.
1814         * stor-layout.c (layout_type): Updated.
1815         * tree-inline.c (remap_type): Updated.
1816         * tree-pretty-print.c (dump_generic_node): Updated.
1817
1818 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1819
1820         * builtins.c (expand_builtin_powi): Fix mode of
1821         2nd argument to match int.
1822         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1823         2nd argument type to int.
1824         * libgcc2.c: Change prototype of __powi* functions to use
1825         int.
1826
1827 2005-03-30  Dale Johannesen  <dalej@apple.com>
1828
1829         PR middle-end/19225
1830         * calls.c (expand_call):  Flush pending deferrals before
1831         throwing call.
1832
1833 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1834
1835         PR c/772
1836         PR c/17913
1837         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1838         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1839         c_label_context, label_context_stack): New.
1840         * c-decl.c (define_label): Check for jumps into statement
1841         expressions.  Add label to list of defined labels.
1842         (start_function): Push context on label_context_stack.
1843         (finish_function): Pop context from label_context_stack.
1844         * c-typeck.c (label_context_stack): New.
1845         (c_finish_goto_label): Check for jumps into statement
1846         expressions.  Add label to list of jumped to labels.
1847         (struct c_switch): Add blocked_stmt_expr.
1848         (c_start_case): Initialize it.
1849         (do_case): Check it.
1850         (c_finish_case): Verify !blocked_stmt_expr.
1851         (c_begin_stmt_expr):  Push context on label_context_stack.
1852         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1853         as undefinable.
1854         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1855         defined in the statement expression and no longer jumpable to.
1856         Mark labels jumped to from just outside the statement expression
1857         as again definable.  Pop context from label_context_stack.
1858         * doc/extend.texi (Statement Exprs): Update.
1859
1860 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1861
1862         PR c/20368
1863         * c-decl.c (start_function): Check for old_decl being
1864         error_mark_node.
1865
1866 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1867
1868         * final.c (final): Remove prescan parameter.  Change all callers.
1869         (final_scan_insn): Remove prescan parameter.  Change all callers.
1870
1871 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1872
1873         * tree-vectorizer.c: Fix comment typos.
1874
1875 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1876
1877         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1878         as soon as a chrec_dont_know is detected.
1879
1880 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1881
1882         Merge from csl-arm-branch.
1883         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1884
1885         * tlink.c (recompile_files): Do not assume that "rename" can
1886         overwrite an existing file.
1887
1888 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1889
1890         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1891         * gcc/configure: Regenerate.
1892
1893 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1894
1895         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1896
1897         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1898
1899         * calls.c (struct arg_data): Update "partial" comment.
1900         (load_register_parameters): Update "nregs" comment.
1901
1902 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1903
1904         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1905         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1906         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1907         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1908         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1909         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1910         than target_flags & 0.
1911         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1912         (iq2000_arch, iq2000_parse_cpu): Delete.
1913         (TARGET_HANDLE_OPTION): Override default.
1914         (iq2000_handle_option): New function.
1915         (override_options): Remove -march= and -mcpu= handling.
1916         * config/iq2000/iq2000.opt: New file.
1917
1918 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1919
1920         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1921         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1922         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1923         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1924         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1925         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1926         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1927         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1928         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1929         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1930         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1931         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1932         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1933         (TARGET_OPTIONS): Delete.
1934         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1935         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1936         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1937         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1938         (c4x_cpu_version_string): Delete.
1939         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1940         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1941         equivalent -mcpu= option.
1942         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1943         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1944         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1945         or clearing the appropriate MASK_* bit.
1946         (c4x_file_start): Use c4x_cpu_version.
1947         * config/c4x/c4x.opt: New file.
1948
1949 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1950
1951         * doc/options.texi: Document the new MaskExists flag.
1952         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1953         if the option has the MaskExists flag.
1954
1955 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1956
1957         * opt-functions.awk (flag_set_p, test_flag): New functions.
1958         (switch_flags): Use them.
1959         * opth-gen.awk: Use flag_set_p to check for flags.
1960         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1961
1962 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1963
1964         * config.host (i[34567]86-*-mingw32*): Don't set
1965         host_can_use_collect2 to no.
1966
1967 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1968
1969         PR target/20203
1970         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1971         Remove convert_memory_address call duplicating that in memory_address.
1972
1973 2005-03-29  Richard Henderson  <rth@redhat.com>
1974
1975         PR c/20519
1976         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1977         (build_compound_literal): Likewise.  Propagate decl type into the
1978         initializer.
1979         (finish_decl): Likewise.  Use new return value from complete_array_type
1980         for zero sized arrays.
1981         (complete_array_type): Move ...
1982         * c-common.c (complete_array_type): ... here.  Change first argument
1983         to pointer-to-type-node.  Consistently use sizetype for the index
1984         except for zero sized arrays.  Detect zero sized arrays for pedantic
1985         mode diagnostics.  Create a new type node instead of modifying the
1986         old node in place.
1987         * c-tree.h (complete_array_type): Move decl ...
1988         * c-common.h (complete_array_type): ... here.
1989
1990 2005-03-29  Richard Henderson  <rth@redhat.com>
1991
1992         PR tree-opt/19108
1993         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1994
1995 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1996
1997         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1998         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1999         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
2000         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
2001
2002 2005-03-29  Eric Christopher  <echristo@redhat.com>
2003
2004         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
2005         truthvalue conversion removal.
2006
2007 2005-03-29  Ian Lance Taylor  <ian@airs.com>
2008
2009         PR bootstrap/14316
2010         * collect2.c: Never include <vfork.h>.
2011         (VFORK_STRING, vfork): Don't define.
2012         (pid): Remove global variable.
2013         (handler): Call raise instead of kill (getpid(), ...).
2014         (collect_wait): Add pex parameter.  Change all callers.  Use
2015         pex_get_status rather than pwait.
2016         (do_wait): Add pex parameter.  Change all callers.
2017         (collect_execute): Return struct pex_obj * rather than void.  Use
2018         pex routines rather than pexecute.
2019         (fork_execute): Get pex_obj from collect_execute, and pass it to
2020         do_wait.
2021         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
2022         Only declare quit_handler if SIGQUIT is defined.
2023         (scan_libraries): Likewise.
2024         * collect2.h (collect_execute): Update declaration.
2025         (collect_wait): Update declaration.
2026         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
2027         pass it to collect_wait.
2028
2029 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
2030
2031         PR c/20672
2032         * c-parser.c (c_parser_compound_statement_nostart): Give error
2033         message for EOF instead of just setting parser->error.
2034
2035 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
2036
2037         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
2038         (slpeel_update_phi_nodes_for_guard1): New function.
2039         (slpeel_update_phi_nodes_for_guard2): New function.
2040         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
2041         of slpeel_update_phi_nodes_for_guard.
2042         (vectorize_loops): Remove call to loop_closed_rewrite.
2043         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
2044         assertion.
2045
2046 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
2047
2048         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
2049         (TARGET_LITTLE_ENDIAN): New macro.
2050         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
2051         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
2052         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
2053         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
2054         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
2055         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
2056         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
2057         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
2058         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
2059         (TARGET_OPTIONS): Delete.
2060         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
2061         (CACHE_FLUSH_TRAP): Turn into an integer.
2062         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
2063         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
2064         -mflush-trap is in use.
2065         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
2066         (m32r_cache_flush_trap_string): Delete.
2067         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
2068         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
2069         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
2070         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2071         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
2072         -mmodel= and -msdata= handling from...
2073         (m32r_init): ...here.
2074         * config/m32r/m32r.opt: New file.
2075
2076 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
2077
2078         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
2079         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
2080         * tree-vect-analyze.c (vect_object_analysis): additional parm
2081         pass back a "struct ptr_info_def *" with the points-to info.
2082         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
2083         statement using info returned from vect_object_analysis.
2084         * tree-vect-transform.c (update_vuses_to_preheader): New function.
2085         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
2086         for virtual uses and defs when creating a replacement vector
2087         reference.  Call duplicate_ssa_name_ptr_info to define points-to
2088         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
2089         (vectorizable_store): copy_virtual_operands and update
2090         definition statements.
2091         (vectorizable_load): copy_virtual_operands.  Remove call to
2092         mark_call_clobbered_vars_to_rename for call to "const" builtin.
2093         * tree-vectorizer.c (vectorize_loops): Remove calls to
2094         rewrite_into_ssa and bitmap_clear (vars_to_rename).
2095         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
2096         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
2097         define macro STMT_VINFO_PTR_INFO for use in accessing.
2098         * tree.h add export of duplicate_ssa_name_ptr_info.
2099         * rs6000.c (altivec_init_builtins): Declare builtin function
2100         __builtin_altivec_mask_for_load to be "const".
2101
2102 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
2103
2104         PR middle-end/20622
2105         * cgraph.h (struct cgraph_varpool_node): Add alias field.
2106         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
2107         assemble_variable on aliases.
2108         * varasm.c (assemble_alias): Set node->alias.
2109         * toplev.c (wrapup_global_declarations): Don't call
2110         rest_of_decl_compilation on aliases again.
2111
2112 2005-03-29  Paul Brook  <paul@codesourcery.com>
2113
2114         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
2115         * config/arm/arm.c (arm_dbx_register_number): New function.
2116         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
2117
2118 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
2119
2120         PR middle-end/20263
2121         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
2122         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
2123
2124 2005-03-29  Dale Johannesen <dalej@apple.com>
2125
2126         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
2127         $(TREE_H) and $(COVERAGE_H).
2128         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
2129         * opts.c (common_handle_option): Enable tree-based value transforms.
2130         * toplev.c (process_options): Ditto.
2131         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
2132         refers to references to this type.
2133         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
2134         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
2135         for may_be_more, may_be_less.
2136         (rtl_gen_pow2_profiler): Adjust.
2137         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
2138         (rtl_gen_one_value_profiler): Adjust.
2139         (rtl_gen_const_delta_profiler): Adjust.
2140         * tree-profile.c (tree_gen_interval_profiler): Implement.
2141         (tree_gen_pow2_profiler): Ditto.
2142         (tree_gen_one_value_profiler): Ditto.
2143         (tree_profiling): New.
2144         (pass_tree_profile): Reference it.
2145         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
2146         tree.h, gcov-io.h.
2147         (insn_divmod_values_to_profile): Rename to
2148         rtl_divmod_values_to_profile. Adjust.
2149         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
2150         (insn_prefetch_values_to_profile): Adjust.
2151         (rtl_value_profile_transformations): Adjust.
2152         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
2153         (gen_mod_pow2): Rename to rtl_mod_pow2.
2154         (gen_mod_subtract): Rename to rtl_mod_subtract.
2155         (divmod_fixed_value_transform): Rename to
2156         rtl_divmod_fixed_value_transform.
2157         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
2158         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
2159         (rtl_find_values_to_profile): Adjust.
2160         (tree_value_profile_transformations): Implement.
2161         (tree_divmod_values_to_profile): New.
2162         (tree_values_to_profile): New.
2163         (tree_divmod_fixed_value): New.
2164         (tree_mod_pow2): New.
2165         (tree_mod_subtract): New.
2166         (tree_divmod_fixed_value_transform): New.
2167         (tree_mod_pow2_value_transform): New.
2168         (tree_mod_subtract_transform): New.
2169         (tree_find_values_to_profile): Implement.
2170         * profile.c (instrument_values):  Free histograms.
2171         (compute_value_histograms): Adjust. Implement tree version.
2172
2173 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
2174
2175         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
2176         * config/i386/i386.c (output_fix_trunc): Add new round_mode
2177         variable.  Output "fldcw" depending on round_mode.
2178         * config/i386/i386.md (UNSPEC_FIST): New.
2179         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
2180         New isns patterns to implement lrint and llrint built-ins as x87
2181         intrinsic function.
2182         (fistdi2, fist<mode>2 splitters): New splitters.
2183         (lrint<mode>2): New expanders.
2184
2185 2005-03-28  Ian Lance Taylor  <ian@airs.com>
2186
2187         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
2188         0 when calling final_scan_insn.
2189
2190 2005-03-28  Jan Hubicka  <jh@suse.cz>
2191
2192         PR middle-end/20635
2193         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
2194         as needed.
2195
2196         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
2197         types where possible.
2198
2199 2005-03-26  Per Bothner  <per@bothner.com>
2200
2201         Make -f[no-]show-column also control non-cpp diagnostics.
2202         * c.opt (fshow-column): Move option from here ...
2203         * common.opt (fshow-column): ... to here.
2204         * diagnostic.c (diagnostic_build_prefix): Only print column number
2205         if flag_show_column.
2206
2207 2005-03-27  Steven Bosscher  <stevenb@suse.de>
2208
2209         * vax-protos.h (vax_output_int_move, vax_output_int_add,
2210         vax_output_conditional_branch): New prototypes.
2211         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
2212         extracted from vax.md mov and add patterns.
2213         (vax_output_conditional_branch): New function to output conditional
2214         branch instructions.
2215         * vax.md: Use mode macros for arithmetic and mov patterns.
2216         Use code macros for the jump patterns.
2217
2218 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2219
2220         * Makefile.in (libbackend.o): Depend on version files;
2221         add custom generation command.
2222
2223 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2224
2225         PR target/20636
2226         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
2227         sure that we have a REG before getting its REGNO.
2228
2229 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2230
2231         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
2232         * builtins.def (BUILT_IN_STRNDUP): New.
2233
2234 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
2235
2236         PR tree-optimization/20470
2237         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
2238         ABS(x-y).
2239
2240 2005-03-25  Mike Stump  <mrs@apple.com>
2241
2242         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
2243         sized objects.
2244
2245 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
2246
2247         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
2248         Use our own structure definitions.
2249
2250         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
2251         (fix_truncdfsi2): Allow registers or memory as destination.
2252         When TARGET_PPC_GFXOPT, generate simplified pattern.
2253         (fix_truncdfsi2_internal): Use define_insn_and_split.
2254         (fix_truncdfsi2_internal_gfxopt): New.
2255         (fctiwz): Don't confuse register allocation by giving it no choices.
2256         (stfiwx): New.
2257         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
2258         (EXTRA_MEMORY_CONSTRAINT): Likewise.
2259         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
2260         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
2261
2262 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2263
2264         * dominance.c (free_dominance_info): Speed up by freeing et
2265         data structures without maintaining other nodes.
2266         * et-forest.c (et_free_tree_force): New.
2267         * et-forest.h: Add a prototype for et_free_tree_force.
2268
2269         * tree.c (get_set_constructor_bits,
2270         get_set_constructor_bytes): Remove.
2271         * tree.h: Remove the corresponding prototypes.
2272
2273 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2274
2275         PR target/15491
2276         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
2277         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
2278         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
2279         PRE_DEC, NEG and NOT.
2280
2281 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2282
2283         * fold-const.c: Convert uses of fold (build (...)) to
2284         fold_buildN.
2285
2286 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
2287
2288         PR rtl-optimization/20249
2289         * cse.c (insert_regs): Do not record equivalence of registers in
2290         different modes.
2291
2292 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
2293
2294         * emit-rtl.c (reverse_comparison): Remove.
2295         * rtl.h: Remove the corresponding prototype.
2296
2297 2005-03-24  James E Wilson  <wilson@specifixinc.com>
2298
2299         * doc/install.texi (--enable-altivec): Delete docs.
2300
2301 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
2302
2303         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
2304         SFmode and DFmode before reload when
2305         flag_unsafe_math_optimizations not enabled.
2306
2307 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
2308
2309         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
2310
2311         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
2312         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
2313
2314 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2315
2316         * configure.ac (enable-checking): Add 'runtime' option.
2317         * doc/install.texi (enable-checking): Document 'runtime' checking.
2318         * tsystem.h (gcc_assert, gcc_unreachable): Define.
2319         * config.in: Regenerated.
2320         * configure: Regenerated.
2321
2322 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
2323
2324         * optabs.h (enum optab_index): Remove OTI_llrint.
2325         (llrint_optab): Remove macro.
2326         * optabs.c (init_optabs): Remove llrint_optab initialization.
2327         * genopinit.c (optabs): Remove llrint_optab implementation.
2328         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
2329         using lrint_optab.
2330
2331 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
2332
2333         PR rtl-optimization/20532
2334         * simplify-rtx.c (simplify_binary_operation_1): Protect from
2335         overflow when adding coefficients for PLUS or MINUS.
2336         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
2337         two as multiplier.
2338
2339 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2340
2341         * langhooks.h (truthvalue_conversion): Remove.
2342         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2343         LANG_HOOKS_TRUTHVALUE_CONVERSION.
2344         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
2345         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
2346         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
2347
2348 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
2349
2350         * params.def: Fix a typo.
2351         * config/mips/mips.c: Follow the spelling convensions.
2352         * doc/invoke.texi: Fix typos.
2353
2354 2005-03-18  Dale Johannese  <dalej@apple.com>
2355
2356         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
2357
2358 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
2359
2360         Fix PR tree-optimization/20601
2361
2362         * tree-ssa-pre.c (insert_aux): Add missing condition to
2363         constification.
2364
2365 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2366
2367         * final.c (final_scan_insn): Don't remove no-op instructions.
2368         * reload1.c (reload): Remove simple no-op instructions even when
2369         not optimizing.
2370
2371 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2372
2373         PR tree-optimization/20501
2374         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2375         reporting that peeling for alignment is applied moved to...
2376         * (vect_analyze_data_refs_alignment): Here.
2377
2378 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2379
2380         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2381
2382 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2383
2384         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2385         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2386
2387 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2388
2389         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2390         imply that this is called once, independent of asms in code.
2391         Adjust to now being pased output and input lists.  Mention helper
2392         function decl_overlaps_hard_reg_set_p.
2393         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2394         hook_tree_tree_identity and to take three trees, returning third.
2395         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2396         prototype.
2397         * stmt.c: include hard-reg-set.h before tree.h.
2398         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2399         (decl_conflicts_with_clobbers_p): Call
2400         decl_overlaps_hard_reg_set_p.
2401         (expand_asm_operands): Pass output and input lists in call to
2402         targetm.md_asm_clobbers.
2403         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2404         hook_tree_tree_tree_tree_3rd_identity.
2405         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2406         parameters.
2407         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2408         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2409         parameters, first two unused.
2410         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2411         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2412         in constraint letters and MOF is not mentioned as a asm-declared
2413         register in neither of the input and output lists.
2414
2415 2005-03-23  DJ Delorie  <dj@redhat.com>
2416
2417         * optabs.c (expand_binop): Make sure the first subword's result
2418         gets stored.
2419
2420 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2421
2422         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2423         Call c_common_truthvalue_conversion rather than
2424         lang_hooks.truthvalue_conversion.
2425         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2426         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2427         c-typeck.c.
2428         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2429         c_common_truthvalue_conversion.
2430         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2431         c_parser_conditional_expression, c_parser_binary_expression): Call
2432         c_objc_common_truthvalue_conversion.
2433         * c-typeck.c (build_unary_op): Call
2434         c_objc_common_truthvalue_conversion.
2435         (build_conditional_expr): Do not call
2436         lang_hooks.truthvalue_conversion.
2437         (build_binary_op): Call c_common_truthvalue_conversion.
2438         (c_objc_common_truthvalue_conversion): Moved from
2439         c-objc-common.c.  Call default_function_array_conversion instead
2440         of default_conversion.
2441
2442 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2443
2444         * c-common.h (default_conversion): Remove.
2445         (perform_integral_promotions): Add.
2446         * c-tree.h (default_conversion): Add.
2447         * c-typeck.c (perform_integral_promotions): New, split out from
2448         default_conversion.
2449         * c-common.c (check_case_value): Use perform_integral_promotions,
2450         not default_conversion.
2451         (c_add_case_label): Don't continue processing case label after
2452         found to be pointer.
2453
2454 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2455
2456         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2457         the prefix list if we have already added a multilib directory
2458         based on that path.
2459         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2460         search with -L.
2461
2462 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2463
2464         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2465         static.
2466         * reload.h: Remove the prototype for indirect_symref_ok.
2467
2468         * reload1.c (indirect_symref_ok): Make it global.
2469         * reload.h: Add a prototype for indirect_symref_ok.
2470
2471 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2472
2473         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2474         ashlhi3 expander.
2475
2476 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2477
2478         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2479
2480 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2481
2482         * c-opts.c (c_common_parse_file): Only start/end main source file
2483         if debug hooks says the writer wants it.
2484         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2485         member.
2486         (xcoff_debug_hooks): Ditto.
2487         * debug.c (do_nothing_hooks): Ditto.
2488         * debug.h (gcc_debug_hooks): Ditto.
2489         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2490         * sdbout.c (sdb_debug_hooks): Ditto.
2491         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2492
2493 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2494
2495         * doc/extend.texi: Deprecate C++ min/max operators.
2496
2497 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2498
2499         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2500         artificial original candidates.
2501
2502 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2503             Jan Hubicka  <jh@suse.cz>
2504             Steven Bosscher <stevenb@suse.de>
2505
2506         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2507         call cost based on argument sizes.
2508         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2509         inlining.
2510         * params.def: (max-inline-inssn-single): Set to 450.
2511         (max-inline-insns-auto): Set to 90.
2512         (max-inline-insns-recursive): Set to 450
2513         (max-inline-insns-recursive-auto): Set to 450.
2514         (large-function-insns): Set to 2700.
2515         (inline-call-cost): New parameter.
2516         * tree-inline.c (estimate_move_cost): New function.
2517         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2518         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2519         based on arguments.
2520         * tree-inline.h (estimate_move_cost): Declare.
2521         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2522         (max-inline-insns-auto): Change default to 90.
2523         (max-inline-insns-recursive): Change default to 450
2524         (max-inline-insns-recursive-auto): Change default to 450.
2525         (large-function-insns): Change default to 2700.
2526         (inline-call-cost): Document new parameter.
2527
2528 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2529
2530         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2531         (TARGET_DEFAULT): Delete.
2532         * config/i860/i860.opt: New file.
2533
2534 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2535
2536         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2537         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2538         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2539         (frv_sched_lookahead): Delete.
2540         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2541         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2542         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2543         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2544         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2545         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2546         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2547         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2548         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2549         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2550         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2551         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2552         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2553         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2554         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2555         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2556         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2557         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2558         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2559         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2560         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2561         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2562         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2563         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2564         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2565         (frv_sched_lookahead): Delete.
2566         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2567         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2568         (frv_handle_option): New function.  Move -mcpu= handling from...
2569         (frv_override_options): ...here.  Remove handling of other
2570         TARGET_OPTIONS.
2571         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2572         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2573         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2574         and TARGET_NO_MULTI_CE.
2575         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2576         !TARGET_VLIW_BRANCH.
2577         * config/frv/frv.opt: New file.
2578
2579 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2580
2581         * fold-const.c (fold_ternary): Take decomposed arguments of
2582         CALL_EXPR.
2583         (fold): Update a call to fold_ternary.
2584
2585         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2586         * tree.h: Add corresponding prototypes.
2587
2588 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR target/20561
2591         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2592         between jump table and its label.
2593         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2594         resp. ADDR_DIFF_VEC and the label preceeding it.
2595         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2596         is emitted in the right section.
2597
2598 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2599
2600         * fold-const.c (fold_unary, fold_binary): Update comments
2601         about arguments.
2602
2603 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2604
2605         PR rtl-optimization/20527
2606         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2607         REG_INC note, test that the register also isn't mentioned in PRED
2608         or SUCC.
2609
2610 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2611
2612         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2613         and definition.
2614
2615 2005-03-21  Mike Stump  <mrs@apple.com>
2616
2617         * varasm.c (default_assemble_visibility): Remove extra ().
2618
2619 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2620
2621         PR middle-end/20557
2622         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2623         to determine whether a block can be duplicated, rather than test
2624         whether the block contains noncopyable insns ourselves.
2625
2626 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2627
2628         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2629         predicates.
2630
2631 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2632
2633         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2634
2635 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2636
2637         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2638         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2639         * config/fr30/fr30.opt: New file.
2640
2641 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2642
2643         Fix PR tree-optimization/20542
2644
2645         * tree-flow-inline.h (overlap_subvar): Move to here.
2646         * tree-ssa-operands.c: From here.
2647         * tree-flow.h (overlap_subvar): Declare.
2648         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2649         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2650         for variables with subvars.
2651
2652 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2653
2654         PR middle-end/20177
2655         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2656         * modulo-sched.c (const_iteration_count): Return on NULL
2657         pre-header.
2658         (print_node_sched_params): Return on NULL dump_file.
2659         (generate_reg_moves): Handle reg-anti dependencies and disregard
2660         closing branch when generating register moves.
2661         (sms_schedule): Mark the SMSed block dirty.
2662         * passes.c (rest_of_handle_sms): Call update_life_info for all
2663         basic-blocks.
2664         * testsuite/gcc.dg/20050321-1.c: New test.
2665
2666 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2667
2668         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2669         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2670         movqi_internal): Likewise.
2671
2672 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2673
2674         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2675         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2676         xtensa_b4const): Delete prototypes.
2677         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2678         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2679         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2680         xtensa_extra_constraint): New prototypes.
2681         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2682         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2683         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2684         move_operand, const_float_1_operand, fpmem_offset_operand,
2685         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2686         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2687         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2688         argument type to HOST_WIDE_INT.
2689         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2690         xtensa_mask_immediate): Likewise.
2691         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2692         Likewise.  Also make these functions static.
2693         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2694         (xtensa_const_ok_for_letter_p): New.
2695         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2696         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2697         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2698         move_operand, const_float_1_operand, fpmem_offset_operand,
2699         branch_operator, ubranch_operator, boolean_operator): Move to
2700         predicates.md.
2701         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2702         (xtensa_mem_offset): Change return type to bool.
2703         (xtensa_extra_constraint): New.
2704         (gen_int_relational): Update type of const_range_p function pointer.
2705         Use xtensa_b4const_or_zero.
2706         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2707         xtensa_const_ok_for_letter_p.  Update comments.
2708         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2709         (PREDICATE_CODES): Delete.
2710         * config/xtensa/xtensa.md: Include predicates.md.
2711         * config/xtensa/predicates.md: New file.
2712
2713 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2714
2715         * config/v850/v850-protos.h: Remove the prototypes for
2716         reg_or_int9_operand, reg_or_const_operand,
2717         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2718         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2719         movsi_source_operand, power_of_two_operand,
2720         not_power_of_two_operand, special_symbolref_operand,
2721         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2722         register_is_ok_for_epilogue.
2723         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2724         reg_or_int9_operand, reg_or_const_operand,
2725         call_address_operand, special_symbolref_operand,
2726         movsi_source_operand, power_of_two_operand,
2727         not_power_of_two_operand, register_is_ok_for_epilogue,
2728         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2729         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2730         predicates.md.
2731         * config/v850/v850.h (PREDICATE_CODES): Remove.
2732         * config/v850/v850.md: Include predicates.md.
2733         * config/v850/predicates.md: New.
2734
2735 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2736
2737         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2738         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2739         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2740         (itoolsdir, itoolsdatadir): Move definition above new first use.
2741         (install-itoolsdirs): New rule.
2742         (install-mkheaders): Depend on install-itoolsdirs, not
2743         install-include-dir.
2744
2745 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2746
2747         * tree-into-ssa.c: Remove obsolete comments.
2748
2749 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2750
2751         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2752         unrolling if -fpeel-loops is specified, too.
2753         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2754         Remove superfluous check for flag_unroll_loops.
2755
2756 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2757
2758         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2759         (lrint_optab, llrint_optab): Define corresponding macros.
2760         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2761         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2762         pattern and llrint_optab using llrintdi2 patterns.
2763         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2764         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2765         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2766         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2767         flag_unsafe_math_optimizations is set.
2768
2769 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2770
2771         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2772         simplify_logical, if_then_else_cond, known_cond,
2773         simplify_comparison): Adjust calls to reverse_comparison.
2774         Don't use combine_reversed_comparison_code).
2775         (combine_reversed_comparison_code): Remove.
2776         (reversed_comparison): Using reversed_comparison_code, move it...
2777         * jump.c (reversed_comparison): ... here.
2778         * rtl.h (reversed_comparison): Add prototype.
2779
2780 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2781
2782         * builtins.c (fold_builtin): Take decomposed arguments of
2783         CALL_EXPR.
2784         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2785         * gimplify.c (gimplify_call_expr): Likewise.
2786         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2787         * tree.h: Update the prototype of fold_builtin.
2788
2789 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2790
2791         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2792         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2793         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2794         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2795         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2796
2797 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2798
2799         * builtins.c (fold_builtin_1): Take decomposed arguments of
2800         CALL_EXPR.
2801         (fold_builtin): Update a call to fold_builtin_1.
2802
2803 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2804
2805         PR other/20564
2806         * gcov.c (output_lines): Only output function block summary when
2807         outputting branch information.
2808         * doc/gcov.texi: Document format of preamble and additional block
2809         information lines.
2810
2811 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2812
2813         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2814         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2815         the defaults false if BITS_PER_UNIT != 8.
2816         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2817         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2818         than BITS_PER_UNIT != 8.
2819         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2820         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2821         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2822         #undefs.
2823         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2824         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2825
2826 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2827
2828         PR middle-end/20539
2829         * fold-const.c (fold_binary): Fix type mismatch between
2830         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2831         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2832         for non-truth-valued expressions.
2833
2834         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2835         and FUNCTION_DECL in the main switch.
2836         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2837         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2838         we also need to convert their operands to match.
2839         <TRUTH_NOT_EXPR>: Likewise.
2840
2841 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2842
2843         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2844         diagnostic without checking whether an lvalue.
2845         * c-common.h (lvalue_p): Remove.
2846         (enum lvalue_use): Update comment.
2847         (lvalue_or_else): Replace by lvalue_error.
2848         * c-typeck.c (lvalue_p): Make static.
2849         (lvalue_or_else): New.  Call lvalue_error.
2850
2851 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2852
2853         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2854         (function_arg_advance): Use rs6000_parm_start.
2855         (function_arg, rs6000_arg_partial_bytes): Likewise.
2856
2857 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2858
2859         * c-common.c (check_case_value): Adjust comment about stripping
2860         NOPs.
2861         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2862         * c-typeck.c (default_conversion, convert_arguments,
2863         build_modify_expr, convert_for_assignment, store_init_value,
2864         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2865         manually.  Remove inaccurate comments.
2866
2867 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2868             Joseph S. Myers  <joseph@codesourcery.com>
2869
2870         * varasm.c (do_assemble_alias): Restore comment describing function.
2871         Annotate the target parameter as potentially unused.
2872
2873 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2874
2875         PR target/18551
2876         * config/avr/avr.c (avr_output_function_prologue): Do not use
2877         current_function_name() in a label, use a local label instead.
2878
2879 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2880
2881         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2882         flag_finite_math_only, not flag_unsafe_math_optimizations.
2883
2884 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2885
2886         * builtins.c (fold_builtin_1): Update a call to
2887         targetm.fold_builtin.
2888         * hooks.c (hook_tree_tree_bool_null): Rename to
2889         hook_tree_tree_tree_bool_null.  Take one more argument of type
2890         tree.
2891         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2892         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2893         hook_tree_tree_tree_bool_null.
2894         * target.h (gcc_target): Update the prototype of fold_builtin.
2895         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2896         arguments of CALL_EXPR.
2897         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2898         new prototype.
2899
2900 2005-03-20  Jan Hubicka  <jh@suse.cz>
2901
2902         * cgraph.h (cgraph_node): Add prev_clone pointer.
2903         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2904         (cgraph_clone_node): Produce doubly linked chain.
2905
2906 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2907
2908         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2909         get_nonnull_operand, handle_sentinel_attribute,
2910         check_function_arguments_recurse): Do not strip NOPS from
2911         INTEGER_CSTs.
2912         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2913         Likewise.
2914         * c-format.c (get_constant): Likewise.
2915         * c-parser.c (c_parser_postfix_expression): Likewise.
2916         * c-typeck.c (set_init_index): Likewise.
2917         (convert_arguments): Don't check for NOP_EXPR containing integer
2918         constant.
2919
2920 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2921
2922         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2923         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2924         Take decomposed arguments of CALL_EXPR.
2925         (fold_builtin_1): Update calls to the functions mentioned
2926         above.
2927
2928 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2929
2930         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2931         width to have integer type.
2932         (build_enumerator): Require enumerator value to have integer type.
2933
2934 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2935
2936         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2937         to __builtin_inff.
2938
2939 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2940
2941         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2942         std=iso9899:199x): Correct descriptions.
2943
2944 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2945
2946         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2947         solaris2.1[0-9].
2948
2949 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2950
2951         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2952         of CALL_EXPR.
2953         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2954         fold_builtin_memcpy.
2955
2956         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2957         arguments of CALL_EXPR.
2958         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2959         fold_builtin_found, fold_builtin_1): Update calls to
2960         fold_trunc_transparent_mathfn.
2961
2962 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2963
2964         PR middle-end/20493
2965         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2966         function pointers on targets that require function pointer
2967         canonicalization.
2968         (fold_sign_changed_comparison): Likewise.
2969
2970 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2971
2972         * combine.c (try_combine): When changing the mode of a hard reg, make
2973         sure that doing so is valid.
2974
2975 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2976
2977         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2978         (TARGET_HANDLE_OPTION): Override default.
2979         (avr_handle_option): New function.
2980         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2981         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2982         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2983         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2984         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2985         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2986         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2987         (TARGET_OPTIONS): Delete.
2988         * config/avr/avr.opt: New file.
2989
2990 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2991
2992         * config/m32r/m32r-protos.h: Remove the prototypes for
2993         call_address_operand, symbolic_operand, seth_add3_operand,
2994         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2995         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2996         two_insn_const_operand, move_src_operand,
2997         move_double_src_operand, move_dest_operand,
2998         eqne_comparison_operator, signed_comparison_operator,
2999         large_insn_p, conditional_move_operand, carry_compare_operand,
3000         m32r_block_immediate_operand, extend_operand,
3001         reg_or_eq_int16_operand, int8_operand, and
3002         reg_or_zero_operand.
3003         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3004         seth_add3_operand, int8_operand, cmp_int16_operand,
3005         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3006         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3007         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3008         move_double_src_operand, move_dest_operand,
3009         eqne_comparison_operator, signed_comparison_operator,
3010         extend_operand, small_insn_p, large_insn_p,
3011         conditional_move_operand, carry_compare_operand,
3012         m32r_block_immediate_operand): Move to predicates.md.
3013         (MAX_MOVE_BYTES): Move to m32r.h.
3014         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3015         * config/m32r/m32r.md: Include predicates.md.
3016         * config/m32r/predicates.md: New.
3017
3018 2005-03-18  James E Wilson  <wilson@specifixinc.com>
3019
3020         PR c++/19769
3021         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
3022         origin.
3023
3024 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3025
3026         * config/mn10300/mn10300-protos.h: Remove the prototypes for
3027         call_address_operand, const_8bit_operand.
3028         * config/mn10300/mn10300.c (call_address_operand,
3029         const_8bit_operand, const_1f_operand): Move to predicates.md.
3030         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
3031         * config/mn10300/mn10300.md: Include predicates.md.
3032         * config/mn10300/predicates.md: New.
3033
3034 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
3035
3036         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
3037         declarations in diagnostics and %E for identifiers, not %s.
3038
3039 2005-03-18  Jan Hubicka  <jh@suse.cz>
3040             Dale Johannesen  <dalej@apple.com>
3041
3042         * basic-block.h (scale_bbs_frequencies_int,
3043         scale_bbs_frequencies_gcov_type): Declare.
3044         * cfg.c (RDIV): New macro.
3045         (update_bb_frequency_for_threading): Fix.
3046         * basic-block.h (scale_bbs_frequencies_int,
3047         scale_bbs_frequencies_gcov_type): New.
3048         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
3049         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
3050         scale_bbs_frequencies_int.
3051         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
3052
3053 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3054
3055         * config/m32r/m32r-protos.h: Remove the prototypes for
3056         call_address_operand, symbolic_operand, seth_add3_operand,
3057         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3058         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3059         two_insn_const_operand, move_src_operand,
3060         move_double_src_operand, move_dest_operand,
3061         eqne_comparison_operator, signed_comparison_operator,
3062         large_insn_p, conditional_move_operand, carry_compare_operand,
3063         m32r_block_immediate_operand, extend_operand,
3064         reg_or_eq_int16_operand, int8_operand, and
3065         reg_or_zero_operand.
3066         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3067         seth_add3_operand, int8_operand, cmp_int16_operand,
3068         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3069         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3070         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3071         move_double_src_operand, move_dest_operand,
3072         eqne_comparison_operator, signed_comparison_operator,
3073         extend_operand, small_insn_p, large_insn_p,
3074         conditional_move_operand, carry_compare_operand,
3075         m32r_block_immediate_operand): Move to predicates.md.
3076         (MAX_MOVE_BYTES): Move to m32r.h.
3077         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3078         * config/m32r/m32r.md: Include predicates.md.
3079         * config/m32r/predicates.md: New.
3080
3081         * config/pa/pa-protos.h: Add prototypes for magic_milli and
3082         shadd_constant_p.
3083         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
3084         symbolic_operand, symbolic_memory_operand,
3085         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
3086         indexed_memory_operand, move_dest_operand, move_src_operand,
3087         prefetch_cc_operand, prefetch_nocc_operand,
3088         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
3089         arith_operand, arith11_operand, pre_cint_operand,
3090         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
3091         ireg_operand, int5_operand, uint5_operand, int11_operand,
3092         uint32_operand, arith5_operand, and_operand, ior_operand,
3093         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
3094         pc_or_label_operand, div_operand, plus_xor_ior_operator,
3095         shadd_operand, movb_comparison_operator,
3096         cmpib_comparison_operator): Move to predicates.md.
3097         (magic_milli, shadd_constant_p): Make it extern.
3098         * config/pa/pa.h (PREDICATE_CODES): Remove.
3099         * config/pa/pa.md: Include predicates.md.
3100         * config/pa/predicates.md: New.
3101
3102         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
3103         predicate.
3104
3105 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3106
3107         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
3108         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
3109         config/alpha/freebsd.h, config/alpha/linux.h,
3110         config/alpha/netbsd.h, config/alpha/osf5.h,
3111         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
3112         config/h8300/h8300-protos.h, config/h8300/h8300.c,
3113         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
3114         doc/cppopts.texi: Update copyright.
3115
3116 2005-03-18  Jan Hubicka  <jh@suse.cz>
3117
3118         PR middle-end/20225
3119         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
3120         too late.
3121         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
3122         called too late.
3123
3124 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3125
3126         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
3127         VEC_safe_push.
3128
3129 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
3130
3131         * combine.c (gen_binary): Remove.
3132         (known_cond, simplify_shift_const, find_split_point,
3133         combine_simplify_rtx, simplify_if_then_else, simplify_set,
3134         simplify_logical, expand_field_assignment, extract_left_shift,
3135         force_to_mode, if_then_else_cond, apply_distributive_law,
3136         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
3137         simplify_comparison, reversed_comparison): Replace with
3138         simplify_gen_binary, simplify_gen_relational or
3139         distribute_and_simplify_rtx.
3140         (distribute_and_simplify_rtx): New function.
3141
3142 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
3143             Paolo Bonzini  <gcc.gnu.org>
3144
3145         * calls.c (setjmp_call_p, special_function_p): Update comments
3146         at the head of the functions.
3147
3148 2005-03-18  Jan Hubicka  <jh@suse.cz>
3149
3150         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
3151
3152         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
3153         function body should be released; do not proactively release function
3154         bodies in non-unit-at-a-time mode.
3155
3156 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
3157
3158         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
3159         mno-fp-ret-in-387 multilib variants.
3160
3161 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
3162
3163         * common.opt (m): Remove.
3164         * opts.c (handle_option): Pass 'm' options to set_target_switch if
3165         table lookup fails.
3166         (common_handle_option): Remove OPT_m case.
3167
3168 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3169
3170         * builtins.c (fold_builtin_bitop): Take decomposed arguments
3171         of CALL_EXPR.
3172         (fold_builtin_1): Update a call to fold_builtin_bitop.
3173
3174         * builtins.c (fold_builtin_signbit): Take decomposed arguments
3175         of CALL_EXPR.
3176         (fold_builtin_1): Update a call to fold_builtin_signbit.
3177
3178 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
3179
3180         PR tree-optimization/20474
3181         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
3182         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
3183
3184 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3185
3186         * config/h8300/h8300-protos.h: Remove prototypes for
3187         general_operand_src, general_operand_dst, single_one_operand,
3188         single_zero_operand, call_insn_operand,
3189         two_insn_adds_subs_operand, small_call_insn_operand,
3190         jump_address_operand, bit_operand, bit_memory_operand,
3191         stack_pointer_operand, const_int_gt_2_operand,
3192         const_int_ge_8_operand, const_int_qi_operand,
3193         const_int_hi_operand, incdec_operand, bit_operator,
3194         nshift_operator, eqne_operator, gtle_operator,
3195         gtuleu_operator, iorxor_operator.
3196         Add prototypes for h8sx_shift_type h8sx_classify_shift and
3197         h8300_ldm_stm_parallel.
3198         * config/h8300/h8300.c (h8sx_shift_type,): Move to
3199         h8300-protos.h.
3200         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
3201         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
3202         (h8300_ldm_stm_parallel): Make it extern.
3203         (h8300_ldm_parallel, h8300_stm_parallel,
3204         h8300_return_parallel, general_operand_src,
3205         general_operand_dst, h8300_dst_operand, h8300_src_operand,
3206         nibble_operand, reg_or_nibble_operand, single_one_operand,
3207         single_zero_operand, call_insn_operand,
3208         two_insn_adds_subs_operand, small_call_insn_operand,
3209         jump_address_operand, bit_operand, bit_memory_operand,
3210         stack_pointer_operand, const_int_gt_2_operand,
3211         const_int_ge_8_operand, const_int_qi_operand,
3212         const_int_hi_operand, incdec_operand, eqne_operator,
3213         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
3214         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
3215         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
3216         nshift_operator): Move to predicates.md.
3217         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
3218         * config/h8300/h8300.md: Include predicates.md.
3219         * config/h8300/predicates.md: New.
3220
3221 2005-03-17  Richard Henderson  <rth@redhat.com>
3222
3223         * config.gcc (ia64*-*-hpux*): Add extra_options.
3224         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
3225         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3226         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
3227         (ia64_tls_size_string, ia64_tune_string): Remove.
3228         (ia64_tune): Init to PROCESSOR_ITANIUM2.
3229         (TARGET_DEFAULT_TARGET_FLAGS): New.
3230         (TARGET_HANDLE_OPTION): New.
3231         (ia64_override_options): Move options parsing ...
3232         (ia64_handle_option): ... here.  New.
3233         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
3234         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
3235         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
3236         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
3237         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
3238         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
3239         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
3240         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
3241         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
3242         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
3243         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
3244         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
3245         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
3246         TARGET_EARLY_STOP_BITS): Remove.
3247         (TARGET_ILP32): Default false.
3248         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
3249         (enum ia64_inline_type): New.
3250         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3251         * config/ia64/ia64.md: Update for new definitions of
3252         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
3253         * config/ia64/ia64.opt: New file.
3254         * config/ia64/ilp32.opt: New file.
3255
3256 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3257
3258         PR target/18380
3259         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
3260
3261 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3262
3263         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
3264         instead of MASK_H8300S.
3265         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
3266         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
3267         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
3268         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
3269         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
3270         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
3271         TARGET_SWITCHES): Remove.
3272         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
3273         TARGET_H8300SX.
3274         * config/h8300/h8300.opt: New.
3275
3276         * config/alpha/alpha.opt, config/arc/arc.opt,
3277         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
3278         notices.
3279
3280 2005-03-17  Ian Lance Taylor  <ian@airs.com>
3281
3282         * gmon.c: Remove.
3283
3284 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
3285
3286         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
3287         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
3288         (TARGET_HANDLE_OPTION): Override default.
3289         (arc_handle_option): New function.
3290         (arc_init): Remove code to set arch_cpu_string.
3291         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
3292         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
3293         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
3294         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
3295         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
3296         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
3297         (arc_rodata_string, TARGET_OPTIONS): Delete.
3298         * config/arc/arc.opt: New file.
3299
3300 2005-03-17  Richard Henderson  <rth@redhat.com>
3301
3302         * doc/extend.texi (Weak Pragmas): New section.
3303         (attribute alias): Clarify that target must be in the same
3304         translation unit.
3305
3306 2005-03-17  Richard Henderson  <rth@redhat.com>
3307
3308         * config/alpha/alpha.opt: New file.
3309         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
3310         of alpha_cpu.
3311         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
3312         alpha_fprm_string, alpha_fptm_string): Make static.
3313         (alpha_tls_size_string): Remove.
3314         (alpha_handle_option): New.
3315         (override_options): Update for alpha_cpu/alpha_tune split.
3316         (alpha_file_start): Likewise.
3317         (TARGET_DEFAULT_TARGET_FLAGS): New.
3318         (TARGET_HANDLE_OPTION): New.
3319         * config/alpha/alpha.h (alpha_tune): Declare.
3320         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
3321         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
3322         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
3323         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
3324         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
3325         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
3326         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
3327         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
3328         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
3329         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
3330         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
3331         (TARGET_DEFAULT): Remove MASK_FP.
3332         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
3333         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
3334         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
3335         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
3336         alpha_tls_size_string): Remove.
3337         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
3338         (attribute tune): Rename from attribute cpu.
3339         * config/alpha/ev4.md: Update to match.
3340         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
3341         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
3342         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
3343         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
3344         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
3345         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
3346
3347 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
3348
3349         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
3350         and return without creating new state if before_nops_num is nonzero.
3351         * config/ia64/ia64.md (first_insn): New attribute.
3352         (alloc): Set it to yes.
3353
3354 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3355
3356         * tree-vectorizer.c (new_vec_stmt_info): Initialize
3357         STMT_VINFO_SUBVARS to NULL.
3358         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3359
3360 2005-03-16 Dale Johannesen  <dalej@apple.com>
3361
3362         * rtlanal.c (find_first_parameter_load):  Rewrite to
3363         return actual first param load or the call if none,
3364         instead of first in block, when not all loads exist.
3365
3366 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3367
3368         * optabs.c (expand_copysign_absneg): Make static.
3369         * optabs.h (expand_copysign_absneg): Delete prototype.
3370         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3371
3372 2005-03-16  Richard Henderson  <rth@redhat.com>
3373
3374         PR middle-end/15700
3375         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3376         (alias_pairs): Rename from output_defs.
3377         (find_decl_and_mark_needed): Split out from assemble_alias.
3378         (do_assemble_alias): New.
3379         (assemble_output_def): Remove.
3380         (finish_aliases_1, finish_aliases_2): New.
3381         (process_pending_assemble_output_defs): Remove.
3382         (assemble_alias): Defer aliases for which we don't yet have a
3383         non-external decl for the target symbol.
3384         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
3385         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
3386         * toplev.c (compile_file): Use finish_aliases_2 instead of
3387         process_pending_assemble_output_defs.
3388         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
3389         (process_pending_assemble_output_defs): Remove.
3390
3391 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3392
3393         Fix PR tree-optimization/20489
3394
3395         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
3396         for empty structures.
3397
3398 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3399
3400         Fix PR tree-optimization/20490
3401
3402         * tree-ssa-pre.c (create_expression_by_pieces): Use
3403         force_gimple_operand on result of fold.
3404
3405 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
3406
3407         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
3408         of closing parenthesis.
3409
3410 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
3411
3412         * builtins.c (expand_movstr): Update a call to
3413         fold_builtin_strcpy.
3414         (expand_builtin_strncpy): Update a call to
3415         fold_builtin_strncpy.
3416         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
3417         arguments of CALL_EXPR.
3418         (fold_builtin_1): Update calls to fold_builtin_strcpy and
3419         fold_builtin_strncpy.
3420         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3421         * tree.h: Update the prototypes of fold_builtin_strcpy and
3422         fold_builtin_strncpy.
3423
3424 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3425             Dorit Naishlos  <dorit@il.ibm.com>
3426
3427         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
3428         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
3429         error.
3430
3431 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3432
3433         * tree-inline.c (walk_type_fields, walk_tree,
3434         walk_tree_without_duplicates): Move from here...
3435         * tree.c: ...to here.
3436
3437 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
3438
3439         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
3440         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
3441         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3442         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
3443         (version): Define using $(BASEVER_c).
3444         (Makefile, config.status, build/gcov-iov.o): No longer depends on
3445         version.c.
3446         (version.o): Depend on version files; add custom generation command.
3447         (prefix.o): Define BASEVER on command line.
3448         (s-iov): Depend on version files; adjust command.
3449         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
3450         Add gcc-vers.texi.
3451         (gcc-vers.texi): New rule.
3452         (doc/%.info, doc/%.dvi): Add -I . to command line.
3453         (doc/gccinstall.dvi): Likewise.
3454         (PACKAGE): Delete.  All uses replaced with "gcc".
3455         * aclocal.m4: Do not include gcc-version.m4.
3456         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
3457         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
3458         Set is_release based on contents of DEV-PHASE.
3459         Set gcc_version based on contents of BASE-VER.
3460         Define WIN32_REGISTRY_KEY only if the user overrode the default.
3461         * config.in, configure: Regenerate.
3462         * gccbug.in: Determine version of GCC in use at runtime.
3463         * gcov-iov.c: Get version number and development phase from
3464         command line, not by including version.c.
3465         * intl.c: Replace all uses of PACKAGE with "gcc".
3466         * libada-mk.in: Delete unused "gcc_version" variable.
3467         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
3468         * version.c: (VERSUFFIX): New hook for redistributors; adjust
3469         commentary to match.
3470         (version_string): Put together from pieces.
3471         * config/alpha/x-vms: Do not use $(gcc_version).
3472         * config/i386/t-nwld: Likewise.
3473         * doc/include/gcc-common.texi: Include gcc-vers.texi for
3474         version-GCC and DEVELOPMENT.
3475
3476 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3477
3478         PR tree-optimization/17454
3479         * tree.c (tree_size): Add case for TREE_BINFO.
3480         * fold-const.c (fold_checksum_tree): Only clear the overloaded
3481         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
3482
3483 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3484
3485         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
3486         op1 whilst expanding the signed widenening multiply variant.
3487
3488 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
3489
3490         * toplev.c (display_target_options): Avoid unused variable warning if
3491         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
3492         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
3493         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
3494         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
3495         (mips_isa_info): New variable.
3496         (mips_parse_cpu): Remove the first argument and leave the caller
3497         to report errors.
3498         (TARGET_HANDLE_OPTION): Override default.
3499         (mips_handle_option): New function.  Move option validation code from...
3500         (override_options): ...here.  Update calls to mips_parse_cpu.
3501         * config/mips/mips.h (mips_arch_string, mips_tune_string)
3502         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
3503         (SUBTARGET_TARGET_OPTIONS): Delete.
3504         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
3505         (mno-flush-func, mtune=): New options.
3506
3507 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3508             Richard Henderson  <rth@redhat.com>
3509
3510         * real.c (c4x_single_format, c4x_extended_format): Provide values
3511         for signbit_ro for c4x's single and extended floating point formats.
3512         * optabs.c (expand_copysign): Use the floating point format's
3513         signbit_ro for expanding via expand_copysign_absneg, and it's
3514         signbit_rw field for expanding via expand_copysign_bit.
3515
3516 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
3517
3518         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
3519         known_alignment_for_access_p.
3520         (known_alignment_for_access_p): New.
3521         (do_peeling_for_alignment): Field made int instead of bool and renamed
3522         to peeling_for_alignment.
3523         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
3524         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
3525         functionality used to be in vect_analyze_operations.
3526         (vect_analyze_operations): Code to determine vectorization factor was
3527         moved to vect_determine_vectorization_factor.
3528         (vect_enhance_data_refs_alignment): Update to correct alignment when it
3529         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
3530         factor.
3531         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
3532         be part of vect_analyze_operations).
3533         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
3534         creating the guard condition, as the number of iterations may be
3535         constant.
3536         (slpeel_tree_peel_loop_to_edge): Use new name of
3537         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
3538         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
3539         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
3540         (vect_do_peeling_for_alignment): Use fold.
3541         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
3542
3543         (vect_update_inits_of_dr): Renamed to
3544         vect_update_init_of_dr.
3545         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
3546         (vectorizable_store): Fix assertion to use == instead of =.
3547
3548 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
3549
3550         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
3551         call_used_regs for wCG registers.
3552
3553 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
3554
3555         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3556         for non-offsettable memory references to cope with outstanding reload
3557         replacements, take 2.
3558
3559 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
3560
3561         PR target/18668
3562         * config/i386/i386.h (x86_fisttp): New.
3563         (TARGET_FISTTP): New macro.
3564         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
3565         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
3566         instruction when fisttp flag is set.
3567         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
3568
3569         * config/i386/i386.md (type attribute): Add fisttp.
3570         (unit attribute): Set to i387 for fisttp type.
3571         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
3572         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
3573         TARGET_FISTTP.
3574         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
3575         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
3576         macros.
3577         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
3578         patterns for TARGET_FISTTP.  Enable patterns for
3579         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
3580         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
3581         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
3582         implement fisttp x87 insn.
3583         (fix_trunc*_i387_fisttp splitters): New patterns.
3584         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
3585         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
3586         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
3587         clobber.
3588         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
3589         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
3590         Implement using mode macros. Disable patterns for TARGET_FISTTP.
3591         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
3592         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
3593         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
3594         Disable patterns for TARGET_FISTTP.
3595         (fix_trunc*_i387 splitters): Implement usign mode macros.
3596         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
3597         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
3598         (fix_trunx*_sse peephole2s): Implement using mode macros.
3599
3600 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
3601
3602         PR rtl-optimization/20291
3603         * combine.c (try_combine): If splitting fails, re-try with
3604         original combined pattern, i.e. before clobber stripping.
3605
3606 2005-03-14  Eric Christopher  <echristo@redhat.com>
3607
3608         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
3609         STACK_GROWS_DOWNWARD.
3610
3611 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3612
3613         * real.h (struct real_format): Split the signbit field into two
3614         two fields, signbit_ro and signbit_rw.
3615         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
3616         mips_double_format, ieee_extended_motorola_format,
3617         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
3618         ieee_extended_intel_128_format, ibm_extended_format,
3619         mips_extended_format, ieee_quad_format, mips_quad_format,
3620         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
3621         i370_double_format, c4x_single_format, c4x_extended_format,
3622         real_internal_format): Update initializers for new field.
3623         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
3624         real_format structure.
3625         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
3626         field of the real_format structure.
3627
3628 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
3629
3630         Fix PR tree-optimization/20458
3631
3632         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
3633         DECL_EXTERNAL on STRUCT_FIELD tags.
3634         (clear_call_clobbered): Ditto.
3635         * tree-ssa-operands.c (note_addressable): Make sure the original
3636         variable doesn't slip into the addressable list if we have
3637         subvars.
3638         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
3639         tags too.
3640
3641 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
3642
3643         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
3644         (-fwide-exec-charset): Likewise.
3645         (-finput-charset): Likewise.
3646         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
3647         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
3648         * c.opt (Wnormalized): New.
3649
3650 2005-03-14  Devang Patel  <dpatel@apple.com>
3651
3652         * doc/invoke.texi: Add reference to Visibility document.
3653
3654 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3655
3656         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3657         MASK_SPLIT_ADDRESSES.
3658         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3659         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3660         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3661         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3662         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3663         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3664         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3665         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3666         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3667         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3668         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3669         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3670         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3671         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3672         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3673         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3674         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3675         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3676         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3677         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3678         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3679         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3680         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3681         (TARGET_EXPLICIT_RELOCS): Delete.
3682         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3683         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3684         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3685         (override_options): Set MASK_LONG64 if -mint64 is given and no
3686         -mlongXX option is.  Complain about -mint64 -mlong32.
3687         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3688         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3689         * config/mips/mips.opt: New file.
3690
3691 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3692
3693         * config.gcc (extra_options): New variable for listing option files.
3694         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3695         * configure.ac (extra_opt_files): New AC_SUBST variable.
3696         (tm_file_list, tm_include_list): Include options.h first.
3697         * configure: Regenerate.
3698         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3699         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3700         (s-options-h): New rule.
3701         (options.h): Depend on it.
3702         (TEXI_GCCINT_FILES): Add options.texi.
3703         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3704         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3705         * target.h (gcc_target): Add default_target_flags and handle_option.
3706         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3707         (TARGET_HANDLE_OPTION): New macros.
3708         (TARGET_INITIALIZER): Include them.
3709         * opt-functions.awk (opt_args, nth_arg): New functions.
3710         (switch_flags): Handle the "Target" flag.
3711         (var_args): Delete.
3712         (var_name): Use opt_args and nth_arg.
3713         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3714         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3715         macros for the "Mask" and "InverseMask" options.
3716         * opts.h (cl_var_cond): New enum.
3717         (cl_option): Replace the "has_set_value" and "set_value" fields with
3718         "var_cond" and "var_value".
3719         (CL_TARGET): New macro.
3720         (option_enabled, print_filtered_help): Declare.
3721         (decode_options): Move definition.
3722         * opts.c (handle_option): Search for the original option before
3723         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3724         var_cond and var_value fields.  Use targetm.handle_option to handle
3725         target options.
3726         (decode_options): Set target_flags to targetm.default_target_flags.
3727         (print_filtered_help): Make global.  Handle CL_TARGET.
3728         (option_enabled): New function.
3729         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3730         (display_target_options, set_target_switch, print_switch_values)
3731         (default_pch_valid_p): Guard uses of target_switches with
3732         #ifdef TARGET_SWITCHES.  Also...
3733         (display_target_options): Display the CL_TARGET entries in cl_options.
3734         (set_target_option): Don't complain about the "" option when
3735         TARGET_SWITCHES is undefined.
3736         (print_switch_values): Use option_enabled.
3737         (default_pch_valid_p): Check cl_options[] when looking for something
3738         that has changed the value of target_flags.
3739         * c.opt: Remove documentation from top of file.
3740         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3741         * doc/sourecebuild.texi: Refer to the new options documentation
3742         instead of c.opt.  Document machine-specific .opt files.
3743         * doc/tm.texi (target_flags): Say that this variable is declared
3744         by options.h.
3745         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3746         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3747         an alternative.
3748         * doc/options.texi: New file.
3749
3750 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3751
3752         PR middle-end/18628
3753         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3754         register.
3755
3756 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3757
3758         PR c++/20280
3759         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3760         temporary variable of pointer type if an lvalues is required.
3761         (gimplify_modify_expr_rhs): Request an rvalue from it.
3762         (gimplify_expr): Pass fallback on.
3763
3764 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3765
3766         * cfgbuild.c: Update comments.
3767
3768 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3769
3770         PR rtl-optimization/17236
3771         * optabs.c (expand_doubleword_mult): New helper function split out
3772         from expand_binop.  Permute the order in which instructions are
3773         emitted to minimize the number of simultaneously live registers.
3774         (expand_binop): Call expand_doubleword_mult to synthesize a double
3775         word multiplication.
3776
3777 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3778
3779         * basic-block.h: Update the prototypes of cached_make_edge and
3780         rtl_make_eh_edge.
3781         * cfg.c (cached_make_edge): Take edge_cache representing one
3782         row of the adjacency matrix of edges.
3783         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3784         (make_edges): Initialize edge_cache to represent one row of
3785         the adjacency matrix of edges.
3786
3787 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3788
3789         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3790         New functions.
3791         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3792         Remove unused removed_phis variable.
3793         (conditional_replacement): Use build1/build2.
3794         (abs_replacement): Use last_and_only_stmt and build1/build2.
3795
3796 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3797
3798         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3799         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3800         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3801         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3802         * c-common.c (handle_novops_attribute): New function.
3803         (c_common_attribute_table): Add "no vops" entry.
3804         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3805         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3806         * tree-ssa-operands.c (get_call_expr_operands): Do not
3807         create virtual operands for calls with ECF_NOVOPS flag.
3808         * tree.h (DECL_IS_NOVOPS): New macro.
3809         (struct tree_decl): Add novops_flag.
3810         (ECF_NOVOPS): New constant.
3811
3812 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3813
3814         PR target/17688
3815         * config/i386/i386.c (x86_use_himode_fiop): New.
3816         (x86_use_simode_fiop): Rename from x86_use_fiop.
3817         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3818         (TARGET_USE_HIMODE_FIOP): New.
3819         (x86_use_simode_fiop): Rename from x86_use_fiop.
3820         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3821
3822         * config/i386/i386.md (X87MODEI12): New mode macro define.
3823         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3824         to implement x87 FP compare with HImode input operands.
3825         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3826         Use X87MODEI12 mode macro to handle HImode input operands.
3827         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3828         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3829         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3830         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3831         macro to implement x87 operators with HImode input operands.
3832         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3833         input operands.
3834
3835 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3836
3837         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3838         integer_zerop.
3839         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3840         constants invariant.
3841
3842 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3843
3844         * basic-block.h (BB_VISITED): Removed.
3845         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3846
3847 2005-03-14  Falk Hueffner  <falk@debian.org>
3848
3849         PR bootstrap/20424
3850         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3851
3852 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3853
3854         * ggc-zone.c: Fix comment typos.
3855
3856         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3857         stringpool.c, config/mips/mips-protos.h: Update copyright.
3858
3859 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3860
3861         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3862         throughout with its typedef, "rtx".
3863         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3864         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3865         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3866         regs in comment to match code.
3867
3868 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3869
3870         * except.c (check_handled): Make it static.
3871         * except.h: Remove the corresponding prototype.
3872
3873         * function.c (get_func_frame_size): Make it static.
3874         * function.h: Remove the corresponding type.
3875
3876         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3877         Make them static.
3878         * hard-reg-set.h: Remove the corresponding declarations.
3879
3880         * tree-cfg.c (verify_stmts): Check that
3881         bb_for_stmt (stmt) == bb for every PHI node and statement.
3882
3883 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3884
3885         * config.gcc: Remove excess indentation.
3886         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3887
3888 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3889
3890         PR middle-end/19331
3891         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3892         * fold-const.c (fold_sign_changed_comparison): Likewise.
3893         (fold_binary): Optimize comparisons against widened operands if
3894         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3895
3896 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3897
3898         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3899         (sparc_override_options): Initialize it.
3900         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3901
3902 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3903
3904         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3905         (reg_or_none500mem_operand): New predicate.
3906         (zero_reg_mem_operand): New predicate.
3907         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3908         to reg_or_none500mem_operand.
3909         (extendsfdf2_fpr): Add MEM alternative.
3910         (extenddftf2_internal): Change operand2 predicate to
3911         zero_reg_mem_operand.
3912
3913 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3914
3915         * ggc-zone.c: Rewritten.
3916
3917         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3918         if there are none.
3919         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3920         * config.in: Regenerated.
3921         * configure: Regenerated.
3922         * gengtype.c (write_types_process_field, write_func_for_structure):
3923         Pass new argument to gt_pch_note_object.
3924         * ggc-common.c (struct ptr_data): Add TYPE.
3925         (gt_pch_note_object): Take TYPE argument and save it.
3926         (call_count): Update call to ggc_pch_count_object.
3927         (call_alloc): Update call to ggc_pch_alloc_object.
3928         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3929         file.
3930         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3931         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3932         (ggc_alloc_zone_stat): Delete.
3933         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3934         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3935         (ggc_pch_alloc_object): Update prototypes.
3936         (garbage_zone): Delete.
3937         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3938         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3939         pointers.
3940         (tree_id_zone): New variable.
3941         (ggc_alloc_cleared_zone): Remove unused.
3942<