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* config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2
3         PR rtl-optimization/20466
4         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5         for overlap of the address of each list member.
6         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7
8 2005-04-08  Mike Stump  <mrs@apple.com>
9
10         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
11         
12         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
13         instead of 4.
14
15 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
16
17         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
18
19         * function.c (push_function_context_to): Don't set
20         contains_functions.
21         * function.h (function): Remove contains_functions.
22         (current_function_contains_functions): Remove.
23
24         * function.h (function): Remove instrument_entry_exit.
25         (current_function_instrument_entry_exit): Remove.
26
27         * function.h (nonlocal_labels): Remove.
28
29         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
30
31         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
32         (check_attr_value, write_attr_get, write_expr_attr_cache,
33         find_attr, make_internal_attr): Don't reference negative_ok or
34         unsigned_p.
35         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
36         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
37         (ATTR_STATIC): Adjust the value.
38
39         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
40
41 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
42
43         * config/s390/tpf.h (ASM_SPEC): Define.
44
45 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
46
47         * tree-flow.h: Remove the prototype for
48         redirect_immediate_uses.
49         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
50
51 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
52
53         * arm.c (arm_const_double_by_parts): New function.
54         * arm-protos.h (arm_const_double_by_parts): Add prototype.
55         * arm.md (define_split for 64-bit constants): Add another one.
56
57 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
58
59         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
60
61 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
62
63         * system.h: Revert last change.
64
65 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
66
67         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
68         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
69         (TARGET_SWITCHES): Delete.
70         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
71         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
72         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
73         * config/xtensa/xtensa.opt: New file.
74
75 2005-04-08  Ben Elliston  <bje@au.ibm.com>
76
77         * config/fp-bit.c: Include L_mul_tf in #endif comment.
78         * config/fp-bit.h: Tidy comments.
79
80 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
81
82         * system.h: Poison PARAMS.
83
84 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
85
86         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
87         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
88         (TARGET_SWITCHES): Delete.
89         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
90         * config/vax/vax.opt: New file.
91
92 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
93
94         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
95
96 2005-04-07  Ian Lance Taylor  <ian@airs.com>
97
98         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
99         define.
100         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
101         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
102         Likewise.
103
104 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
105
106         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
107         all immediate uses in PHI nodes.
108
109 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
110
111         * arm.c (arm_const_double_inline_cost): Handle any constant by
112         using gen_lowpart and gen_highpart_mode.
113         (note_invalid_constants): All constants in an RTX with a constraint
114         that permits memory are now pushed to the constant pool.
115         (output_move_double): Delete code to handle reg to reg and 
116         constant to reg moves.
117         (const_double_needs_minipool, output_mov_immediate): Delete.
118         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
119         CONST_INT and CONST_VECTOR.
120         * arm.md (ANY64): New mode macro.
121         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
122         (movdf_soft_insn): Split reg-reg and const-reg moves.
123         (split patterns for 64-bit constant and register moves): New.
124         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
125         (cirrus_movdf_hard_insn): Likewise.
126         * fpa.md (movdf_fpa): Likewise.
127         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
128         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
129         constraints.
130         (movv2si_internal_2): Likewise.
131         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
132         (movdf_vfp): Likewise.
133         * arm-protos.h (output_mov_immediate): Delete prototype.
134
135 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
136
137         PR target/20093
138         * simplify-rtx.c (simplify_unary_operation_1): Check
139         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
140
141 2005-04-06  James E Wilson  <wilson@specifixinc.com>
142
143         PR target/20717
144         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
145         ADDR_EXPR.
146
147 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
148
149         * coverage.h (GCOV_TYPE_NODE): Delete.
150         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
151         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
152         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
153         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
154         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
155
156 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
157
158         PR other/20792
159         * Makefile.in (gcc.pot): Remove options.c dependency.
160         * optc-gen.awk: Don't quote help strings with N_().
161
162 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
163
164         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
165         the function returns a pointer type.
166
167 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
168
169         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
170         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
171         * doc/invoke.texi: Documnet salias-max-implicit-fields.
172         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
173         explicit_uses members.
174         (get_or_create_used_part_for): Initialize new fields.
175         (fieldoff_compare): New function.
176         (create_overlap_variables_for): Count number of fields, use
177         heuristic to determine whether to create subvars for vars with
178         only implicit uses.
179         Sort the field list by offset and avoid creating duplicate SFT's.
180
181 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
182
183         * c.opt (-F): Remove trailing whitespace from help string.
184         (-finput-charset): Use a tab to separate the switch name and help
185         string.
186         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
187         (-ftree-vectorizer-verbose): Likewise.
188
189 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
190
191         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
192         a PHI argument where a use occurs instead of all PHI arguments.
193
194 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
195
196         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
197         scope.
198
199 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
200
201         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
202         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
203         config/bfin/bfin.h: Fix comment typos.
204
205 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
206
207         * doc/install.texi: Update the URL for Jacks.
208         * doc/sourcebuild.texi: Likewise.
209
210 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
211
212         PR target/17245
213         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
214         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
215
216 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
217
218         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
219
220 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
221
222         * config/v850/v850-protos.h (override_options): Delete.
223         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
224         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
225         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
226         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
227         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
228         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
229         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
230         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
231         (OVERRIDE_OPTIONS): Delete.
232         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
233         (small_memory_info): Remove the value field.
234         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
235         TARGET_NO_APP_REGS.
236         * config/v850/v850.c (small_memory): Remove the value field.
237         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
238         (override_options): Delete.
239         (v850_handle_memory_option, v850_handle_option): New functions.
240         * config/v850/v850.opt: New file.
241
242 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
243
244         * config.host: Add a section for generic hosts, and a subsection
245         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
246         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
247         * config/host-darwin.h: New.
248         * config/x-darwin: New.
249         * config/i386/host-i386-darwin.c: New.
250         * config/i386/x-darwin: New.
251         * config/rs6000/host-darwin.c: Include host-darwin.h.
252         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
253         (darwin_rs6000_gt_pch_use_address): Likewise.
254         * config/rs6000/x-darwin: Change name of .o built, update
255         dependencies for changes to rs6000/host-darwin.c.
256
257 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
258
259         PR target/17824
260         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
261
262 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
263
264         * tree-vect-analyze.c (vect_analyze_loop_form): Call
265         split_loop_exit_edge instead of loop_split_edge_with. 
266
267 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
268
269         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
270         UNSPEC_SET_VSCR): New constants, used throughout.
271         (*andc3_v4sf): New.
272         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
273         Replace with...
274         (altivec_vspltis<VI_char>): ... this pattern, using
275         a QImode const_int_operand for the immediate.
276         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
277         define_expands.
278
279 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
280
281         PR target/17822
282         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
283
284 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
285
286         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
287
288 2005-04-06  Ben Elliston  <bje@au.ibm.com>
289
290         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
291         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
292         macros as living in "this file" and not gcc.h.
293
294 2005-04-06  Ben Elliston  <bje@au.ibm.com>
295
296         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
297         -ftree-live_range_split.  Perhaps renamed at some point?
298
299 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
300
301         PR target/20625
302         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
303         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
304
305 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
306
307         * tree-flow.h (number_of_iterations_cond): Declaration removed.
308         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
309         (number_of_iterations_special): New function.
310         (number_of_iterations_exit): Use number_of_iterations_special.
311         Use simplify_using_outer_evolutions only at -O3.
312         (number_of_iterations_cond, tree_simplify_using_condition,
313         simplify_using_initial_conditions, loop_niter_by_eval,
314         compare_trees, can_count_iv_in_wider_type_bound,
315         simplify_using_outer_evolutions): Use fold_build.
316
317 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
318
319         * doc/install.texi (Configuration): Document --with-java-home.
320
321 2005-04-05  Richard Henderson  <rth@redhat.com>
322
323         PR target/20342
324         PR target/20447
325         * config/i386/i386.c (print_operand): Handle vector zeros.
326         (ix86_split_to_parts): Handle CONST_VECTOR.
327         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
328         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
329         what modes to tie for MMX and SSE registers.
330         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
331         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
332         to vector modes as well.
333         * config/i386/predicates.md (const0_operand): Handle VOIDmode
334         properly as an input mode.
335
336 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
337
338         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
339
340 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
341
342         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
343
344 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
345
346         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
347         and local functions, set sse_nregs to 8 and float_in_sse.
348         (function_arg_advance, function_arg): If float_in_sse, pass
349         SFmode and DFmode arguments in SSE registers.
350         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
351
352         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
353         of -funit-at-a-time.
354
355 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
356
357         * config/i386/i386-protos.h (ix86_function_value): Accept two
358         arguments, like the target macro.
359         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
360         * config/i386/i386.c (ix86_function_value): Accept the second
361         argument of the target macro.
362         (ix86_function_ok_for_sibcall): Pass a function pointer to
363         ix86_function_value.
364         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
365         call to ix86_value_regno).
366         (ix86_value_regno): Add support for returning floating point values
367         in SSE registers.
368
369 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
370
371         PR tree-optimization/20076
372         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
373         that call __builtin_return or __builtin_apply_args.
374
375 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
376
377         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
378         Use immediate use iterator.
379         (stmt_is_bumper_for_loop): Use immediate use iterator.
380         * predict.c (strip_builtin_expect): Use update_stmt.
381         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
382         on all elements of a STATEMENT_LIST.
383         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
384         (bsi_remove): Remove imm_use links and mark the stmt as modified.
385         (bsi_replace): Mark stmt as modified and the update it.
386         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
387         (expand_complex_libcal): Call update_stmt.
388         (expand_complex_comparison): Call mark_stmt_modified.
389         (expand_complex_operations_1): Call update_stmt_if_modified.
390         (expand_vector_operations_1): Call mark_stmt_modified.
391         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
392         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
393         add_immediate_use, redirect_immediate_use,
394         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
395         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
396         (mark_new_vars_to_rename): Call update_stmt.
397         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
398         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
399         Ignore PHI nodes.
400         (unmodify_stmt): Delete.
401         (update_stmt): New.  Force an update of a stmt.
402         (update_stmt_if_modified): update a stmt if it is out of date.
403         (get_stmt_operands): Verify stmt is NOT modified. 
404         (stmt_modified_p): Update comment.
405         (delink_imm_use): Remove a use node from its immuse list.
406         (link_imm_use_to_list): Link a use node to a specific list.
407         (link_imm_use): Link a node to the correct list.
408         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
409         it in the correct list, if appropriate.
410         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
411         (relink_imm_use): Link a use node in place of another node in a list.
412         (relink_imm_use_stmt): LInk a node in place of another node, and set
413         the stmt pointer.
414         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
415         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
416         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
417         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
418         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
419         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
420         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
421         (has_zero_uses): New.  Return true if there are no uses of a var.
422         (has_single_use): New.  Return true if there is only a single use of a
423         variable.
424         (single_imm_use): New.  Return the simgle immediate use.
425         (num_imm_uses): New.  Return the number of immediate uses.
426         (get_v_must_def_ops): Use is now a pointer.
427         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
428         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
429         the use node.
430         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
431         (delink_stmt_imm_use): Delink all immuses from a stmt.
432         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
433         * tree-flow.h (struct dataflow_d): Delete.
434         (immediate_use_iterator_d): New.  Immediate use iterator struct.
435         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
436         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
437         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
438         iteration.
439         (struct stmt_ann_d): Remove dataflow_t from struct.
440         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
441         (if_convertible_phi_p): Use FAST immuse iterator.
442         (if_convertible_loop_p): Don't call compute_immediate_uses.
443         (replace_phi_with_cond_modify_expr): Call update_stmt.
444         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
445         update_stmt_if_modified.
446         (rewrite_all_into_ssa): Initialize ssa operands.
447         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
448         compute_immediate_uses.
449         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
450         ssa_property is available.
451         (execute_one_pass):  Change parameters passed to execute_todo.
452         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
453         (remove_ssa_form): Call fini_ssa_operands.
454         (insert_backedge_copies): Delete call to modify_stmt.
455         * tree-phinodes.c (make_phi_node): Initialize use nodes.
456         (release_phi_node): Delink any use nodes before releasing.
457         (resize_phi_node): Relink any use nodes.
458         (remove_phi_arg_num): Delink the use node.
459         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
460         (remove_all_phi_nodes_for): Release phi node first.
461         * tree-pretty-print.c (dump_generic_node): Print stmt address.
462         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
463         (scalarize_use, scalarize_copy): Call update_stmt.
464         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
465         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
466         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
467         (ccp_initialize): Remove call to compute_immediate_uses.
468         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
469         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
470         stmts.
471         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
472         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
473         (eliminate_redundant_computations): Call mark_stmt_modified.
474         (cprop_operand): Call mark_stmt_modified.
475         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
476         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
477         (dse_optimize_stmt): Use new immuse interface.
478         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
479         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
480         (substitute_single_use_vars): Use new immuse interface.
481         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
482         and compute_immediate_uses.
483         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
484         interface.
485         (rewrite_mem_refs): Call update_stmt.
486         (determine_lsm): Remove call to compute_imm_uses and free_df.
487         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
488         (try_unroll_loop_completely): Call update_stmt.
489         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
490         (rewrite_use_compare): Call update_stmt.
491         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
492         (rewrite_use) : Call update_stmt.
493         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
494         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
495         update_stmt.
496         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
497         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
498         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
499         use nodes.
500         (initialize_vuse_operand): New.  Initialize a vuse operand.
501         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
502         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
503         (finalize_ssa_defs): Use stmt parameter.
504         (correct_use_link): Ensure a use node is in the correct list, and has
505         the correct stmt pointer.
506         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
507         finalize_ssa_v_must_defs): Also initialize use nodes.
508         (finalize_ssa_stmt_operands): Pass extra stmt operands.
509         (build_ssa_operands): Seperate parsing from final operand construction.
510         (parse_ssa_operands): New.  Parse entry point for operand building.
511         (swap_tree_operands): New.  Swap 2 tree operands.
512         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
513         operands.
514         (get_expr_operands): Call swap_tree_operands when needed.
515         (copy_virtual_operands): Use initialize routines for virtual use ops.
516         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
517         (verify_abort): New.  Issue imm_use error.
518         (verify_imm_links): New Verify imm_use links for a var.
519         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
520         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
521         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
522         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
523         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
524         (NULL_USE_OPERAND_P) Define.
525         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
526         use node.
527         (struct vuse_operand_type): New struct.
528         (SET_USE): Call set_ssa_use_from_ptr.
529         (USE_STMT): Define.
530         (PHI_ARG_INDEX_FROM_USE): Define.
531         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
532         argument via SET_USE, not PHI_ARG_DEF_TREE.
533         * tree-ssa-pre.c (eliminate): Call update_stmt.
534         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
535         call free_df.
536         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
537         (nearest_common_dominator_of_uses): Use imm_use iterator.
538         (statement_sink_location): Use imm_use iterator and interface.
539         (execute_sink_code): Don't call compute_immediate_uses or free-df.
540         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
541         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
542         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
543         (verify_ssa): Ensure no stmt is marked modify after optimization pass
544         if new parameter is true.
545         (init_tree_ssa): Don't initialize operand cache here.
546         (delete_tree_ssa): Don't destroy operand cache here.
547         (propagate_into_addr): Pass in a use pointer, return true if anything
548         was changed.
549         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
550         (check_phi_redundancy): Use imm_use iterator.
551         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
552         free_df.
553         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
554         (release_ssa_name): Delink node and all elements in its imm_use list.
555         * tree-tailcall.c (adjust_return_value): Call update_stmt.
556         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
557         * tree-vectorizer.c (need_imm_uses_for): Delete.
558         (vectorize_loops): Dont call compute_immediate_uses or free_df.
559         * tree.h (struct ssa_imm_use_d): Define.
560         (SSA_NAME_IMM_USE_NODE): Define.
561         (struct tree_ssa_name): Add imm_use node.
562         (PHI_DF): Delete.
563         (PHI_ARG_IMM_USE_NODE): Define.
564         (struct phi_arg_d): Add imm_use node.
565         (struct tree_phi_node): Remove struct dataflow_d element.
566         (TDF_STMTADDR): Define.
567
568 2005-04-05  Dale Johannesen  <dalej@apple.com>
569
570         * doc/invoke.texi (Optimization Options):  Remove
571         duplicate -fcse-follow-jumps.  Add -fweb.
572         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
573         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
574
575 2005-04-05  Per Bothner  <per@bothner.com>
576
577         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
578         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
579         (warn_uninit): Get EXPR_LOCUS from context now instead.
580         This fixes a USE_MAPPED_LOCATION testsuite failure.
581
582         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
583
584 2005-04-05  Per Bothner  <per@bothner.com>
585
586         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
587         of the artification 'return 0' in main() to BUILTINS_LOCATION.
588         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
589         before warning. 
590
591 2004-04-05  Devang Patel  <dpatel@apple.com>
592
593         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
594         (lhsr<mode>3): ... new name.
595         (altivec_vsra<VI_char>): Rename to ..
596         (ashr<mode>3): ... new name.
597         * config/rs6000/rs6000.c (builtin_description): Rename shift
598         operations.
599         
600 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
601
602         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
603         gen_lowpart_for_combine.
604         * cse.c (gen_lowpart_if_possible): Move...
605         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
606         gen_lowpart_SUBREG.
607         (gen_lowpart_no_emit_general): Use it.
608
609 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
610
611         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
612         overriding.
613
614 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
615
616         * system.h: Fix typo.
617
618 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
619
620         * config/bfin/bfin-modes.def: New file.
621         * config/bfin/bfin-protos.h: New file.
622         * config/bfin/bfin.c: New file.
623         * config/bfin/bfin.h: New file.
624         * config/bfin/bfin.md: New file.
625         * config/bfin/bfin.opt: New file.
626         * config/bfin/crti.s: New file.
627         * config/bfin/crtn.s: New file.
628         * config/bfin/elf.h: New file.
629         * config/bfin/lib1funcs.asm: New file.
630         * config/bfin/predicates.md: New file.
631         * config/bfin/t-bfin: New file.
632         * config/bfin/t-bfin-elf: New file.
633         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
634         Document new attributes.
635         (interrupt, interrupt_handler, saveall): Update documentation for
636         these attributes.
637         * doc/install.texi (Specific): Add entry for the Blackfin.
638         * doc/invoke.texi (Blackfin Options): New section.
639         * doc/md.texi (Blackfin family): New section to document constraints.
640         * config.gcc: Add bfin*-* and bfin*-elf configurations.
641
642 2005-04-05  Olivier Hainque  <hainque@adacore.com>
643         
644         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
645         match what the system unwinder expects.
646         * config/mips/mips.c (mips_frame_set): If we're saving the return
647         address register and the dwarf return address column number differs
648         from the hard register number, adjust the note reg to refer to the
649         former.
650
651 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
652
653         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
654         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
655         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
656         (processor_type): New enum.
657         (mn10300_processor): New variable.
658         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
659         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
660         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
661         (PROCESSOR_DEFAULT): New macro.
662         * config/mn10300/mn10300.c (mn10300_processor): New variable.
663         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
664         (mn10300_handle_option, mn10300_override_options): New functions.
665         * config/mn10300/mn10300.opt: New file.
666
667 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
668             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
669
670         PR tree-optimization/19903
671         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
672         that don't fit in their type after conversion.
673
674 2005-04-05 Uros Bizjak <uros@kss-loka.si>
675
676         PR target/20421
677         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
678         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
679         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
680         flag here. Implement using define_insn_and_split.  
681         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
682         (frndintxf2_mask_pm_i387): New insn patterns.
683         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
684         Do not set ix86_optimize_mode_switching flag.
685         (ceilsf2, ceildf2, ceilxf2): Same.
686         (btruncsf2, btruncdf2, btruncxf2): Same.
687         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
688
689 2005-04-05  Ian Lance Taylor  <ian@airs.com>
690
691         PR debug/9963
692         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
693         i386_pe_record_external_function.
694         (i386_pe_record_external_function): Update declaration.
695         * config/i386/winnt.c (struct extern_list): Add decl field.
696         (i386_pe_record_external_function): Add decl parameter.
697         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
698         identifier.
699         * config/i386/i386-protos.h (i386_pe_record_external_function):
700         Update declaration.
701
702 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
703
704         * config/m68k/m68k-protos.h: Add a prototype for
705         valid_dbcc_comparison_p_2.
706         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
707         extend_operator, const_uint32_operand, const_sint32_operand,
708         general_src_operand, nonimmediate_src_operand,
709         memory_src_operand, post_inc_operand, pre_dec_operand,
710         pcrel_address): Move to predicates to predicates.md.
711         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
712         * config/m68k/m68k.md: Include predicates.md.
713         * config/m68k/predicates.md: New.
714
715 2005-04-04  Roger Sayle  <roger@eyesopen.com>
716
717         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
718
719         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
720
721 2005-04-04  Ian Lance Taylor  <ian@airs.com>
722
723         * c-typeck.c (struct c_switch): Rename switch_stmt field to
724         switch_expr.
725         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
726         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
727         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
728         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
729         * c-common.c (c_do_switch_warnings_1): New static function broken
730         out of c_do_switch_warnings.
731         (c_do_switch_warnings): Call c_do_switch_warnings_1.
732         (c_do_switch_expr_warnings): New function.
733         * c-common.h (c_do_switch_expr_warnings): Declare.
734
735 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
736             Daniel Jacobowitz  <dan@codesourcery.com>
737
738         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
739         trapping divide.
740         * rtlanal.c (may_trap_p): Same.
741
742 2005-04-04  Dale Johannesen  <dalej@apple.com>
743
744         * ChangeLog:  remove reference to ChangeLog.12.
745
746 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
747
748         CRIS epilogue as RTL.
749         * config/cris/cris.md: Change all 0 in unspec 0 to
750         CRIS_UNSPEC_PLT.
751         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
752         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
753         patterns.
754         ("return"): Change to define_expand.  Call cris_expand_return for
755         actual expansion.
756         ("*return_expanded"): New pattern.
757         ("epilogue"): New define_expand.
758         * config/cris/cris.h (PREDICATE_CODES): Add
759         cris_load_multiple_op.
760         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
761         type.
762         (enum cris_retinsn_type): New.
763         (struct machine_function): New member return_type.
764         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
765         (cris_target_asm_function_epilogue): Remove, moving RTLified
766         contents to...
767         (cris_expand_epilogue): New function.
768         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
769         (cris_gen_movem_load, cris_load_multiple_op)
770         (cris_return_address_on_stack_for_return, cris_expand_return): New
771         functions.
772         (cris_target_asm_function_prologue)
773         (cris_initial_frame_pointer_offset): Call
774         cris_reg_saved_in_regsave_area instead of complicated expression.
775         Call cris_return_address_on_stack instead of an expression.
776         (cris_print_operand) <case 'o', case 'O'>: New cases.
777         (cris_return_address_on_stack): Change return-type to bool.
778         (cris_simple_epilogue): Ditto.  Return false if registers are
779         saved.
780         * config/cris/cris-protos.h (cris_simple_epilogue)
781         (cris_return_address_on_stack): Adjust prototype return type.
782         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
783         (cris_return_address_on_stack_for_return): New prototypes.
784
785 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
786
787         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
788         gpr_or_int12_operand.
789
790         * config/frv/frv-protos.h: Add a prototype to
791         frv_legitimate_memory_operand and frv_const_unspec_p.
792         (frv_unspec): Move from frv.c.
793         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
794         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
795         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
796         gpr_or_fpr_operand, gpr_or_int12_operand,
797         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
798         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
799         int6_operand, int5_operand, uint5_operand, uint4_operand,
800         uint1_operand, int_2word_operand, uint16_operand,
801         upper_int16_operand, integer_register_operand,
802         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
803         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
804         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
805         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
806         move_destination_operand, movcc_fp_destination_operand,
807         frv_function_symbol_referenced_p, move_source_operand,
808         condexec_dest_operand, condexec_source_operand,
809         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
810         const_unspec_operand, gpr_or_memory_operand,
811         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
812         icc_operand, fcc_operand, cc_operand, icr_operand,
813         fcr_operand, cr_operand, call_operand, sibcall_operand,
814         symbolic_operand, relational_operator,
815         integer_relational_operator, float_relational_operator,
816         ccr_eqne_operator, minmax_operator,
817         condexec_si_binary_operator, condexec_si_media_operator,
818         condexec_si_divide_operator, condexec_si_unary_operator,
819         condexec_sf_conv_operator, condexec_sf_add_operator,
820         condexec_memory_operand, intop_compare_operator, acc_operand,
821         even_acc_operand, quad_acc_operand, accg_operand: Move to
822         predicates.md.
823         * config/frv/frv.h (PREDICATE_CODES): Remove.
824         * config/frv/frv.md: Include predicates.md.
825         * config/frv/predicates.md: New.
826
827 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
828
829         PR target/19537
830         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
831         * tree-ssa-loop-ivopts.c: Include langhooks.h.
832         (add_standard_iv_candidates_for_size): New function, extracting code
833         from add_standard_iv_candidates and parameterizing it by type size.
834         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
835
836 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
837
838         * system.h (GCOV_SIZE_TYPE): Unposion.
839         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
840         (GCOV_TYPE_SIZE): ...this new macro.
841         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
842         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
843         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
844         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
845         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
846         instead of unsigned_intSI_type_node.
847         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
848         (rtl_gen_one_value_profiler_no_edge_manipulation)
849         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
850         * value-prof.c: Include coverage.h.
851
852 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
853             Diego Novillo <dnovillo@redhat.com>
854             
855         Fix PR tree-optimization/20703
856         Fix PR tree-optimization/20725
857         
858         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
859         (create_expression_by_pieces): Ditto.
860         (valid_in_set): Ditto. Also handle tcc_declaration.
861         (find_or_generate_expression): Handle comparison class.
862         (insert_into_preds_of_block): Ditto.
863         (insert_aux): Ditto.
864         (create_value_expr_from): Handle comparison class, recursively
865         handle reference nodes.
866         (compute_avail): Handle comparison classes, rewrite a little cleaner.
867         (execute_pre): Fix spacing.
868         (do_fre): Renamed to execute_fre.
869
870 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
871
872         * doc/invoke.texi (SPARC options): Document that
873         -mlittle-endian is not supported on Linux either.
874
875 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
876
877         PR target/4198
878         PR target/12027
879         * config.gcc (Obsolete configurations): Remove
880         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
881         (sparclite-*-coff*): Delete.
882         (sparclite-*-elf*): Likewise.
883         (sparc86x-*-elf*): Likewise.
884         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
885         * config/sparc/lite.h: Delete.
886         * config/sparc/litecoff.h: Likewise.
887         * config/sparc/liteelf.h: Likewise.
888         * config/sparc/sp86x-elf.h: Likewise.
889         * config/sparc/t-sparclite: Likewise.
890         * config/sparc/t-sp86x: Likewise.
891
892 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
893
894         * config/s390/s390-protos.h: (s390_comparison,
895         s390_alc_comparison, s390_slb_comparison, const0_operand,
896         consttable_operand, larl_operand, s_operand,
897         shift_count_operand, bras_sym_operand, load_multiple_operation,
898         store_multiple_operation, s390_plus_operand): Remove prototypes.
899         (s390_legitimate_address_without_index_p): New prototype.
900         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
901         to s390.h.
902         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
903         const0_operand, consttable_operand, larl_operand, s_operand,
904         shift_count_operand, bras_sym_operand, load_multiple_operation,
905         store_multiple_operation, s390_plus_operand): Move to
906         predicates.md.
907         (check_mode): Remove.
908         (s390_branch_condition_mask): Remove 'static'. Move prototype to
909         s390-protos.h.
910         (s390_legitimate_address_without_index_p): New.
911         * config/s390/s390.h (PREDICATE_CODES): Remove.
912         * config/s390/s390.md: Include predicates.md.
913         * config/s390/predicates.md: New.
914
915 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
916
917         PR target/20446
918         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
919         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
920         (NEED_INDICATE_EXEC_STACK): Define to 1.
921         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
922         (NEED_INDICATE_EXEC_STACK): Define to 1.
923         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
924         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
925         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
926         (pic_helper_emitted_p): New global.
927         (emit_pic_helper): New function extracted from...
928         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
929         Do not call emit_pic_helper if delay_pic_helper is true.
930         (sparc_expand_prologue): Pass 'false' to load_pic_register.
931         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
932         (sparc_file_end): New function.
933
934 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
935
936         * config/mcore/mcore-protos.h: Remove the prototypes for
937         mcore_arith_reg_operand, mcore_general_movsrc_operand,
938         mcore_general_movdst_operand, mcore_reload_operand,
939         mcore_arith_J_operand, mcore_arith_K_operand,
940         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
941         mcore_arith_K_S_operand, mcore_arith_imm_operand,
942         mcore_arith_any_imm_operand, mcore_arith_O_operand,
943         mcore_literal_K_operand, mcore_addsub_operand,
944         mcore_compare_operand, mcore_load_multiple_operation,
945         mcore_store_multiple_operation, mcore_call_address_operand.
946         Add a prototype for const_ok_for_mcore.
947         * config/mcore/mcore.c (mcore_call_address_operand,
948         mcore_general_movsrc_operand, mcore_general_movdst_operand,
949         mcore_arith_reg_operand, mcore_reload_operand,
950         mcore_arith_J_operand, mcore_arith_K_operand,
951         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
952         mcore_arith_M_operand, mcore_arith_imm_operand,
953         mcore_arith_any_imm_operand, mcore_arith_O_operand,
954         mcore_literal_K_operand, mcore_addsub_operand,
955         mcore_compare_operand, mcore_load_multiple_operation,
956         mcore_store_multiple_operation): Move to predicates.md.
957         (const_ok_for_mcore): Export.
958         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
959         * config/mcore/mcore.md: Include predicates.md.
960         * config/mcore/predicates.md: New.
961
962         * config/mcore/predicates.md: Fix a comment typo.
963
964 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
965             Adrian Straetling  <straetling@de.ibm.com>
966
967         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
968         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
969         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
970         attribute.
971         ("imul"): Removed from "type" attribute.
972         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
973         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
974         Changed type to imulsi.
975         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
976
977 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
978
979         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
980         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
981         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
982         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
983         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
984         (TARGET_SWITCHES, mcore_stack_increment_string)
985         (TARGET_OPTIONS): Delete.
986         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
987         than *_BIT constants.
988         (TARGET_8ALIGN): #undef old definition before redefining to 1.
989         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
990         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
991         (mcore_override_options): Delete mcore_stack_increment code.
992         Change use of M340_BIT to MASK_M340.
993         * config/mcore/mcore.opt: New file.
994
995 2005-04-04  Ian Lance Taylor  <ian@airs.com>
996
997         * config/arm/arm.c (replace_symbols_in_block): Remove static
998         function.
999
1000 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1001
1002         * config/fr30/fr30-protos.h: Remove the prototypes for
1003         stack_add_operand, add_immediate_operand,
1004         high_register_operand, low_register_operand, call_operand,
1005         di_operand, and nonimmediate_di_operand.
1006         * config/fr30/fr30.c (stack_add_operand,
1007         add_immediate_operand, high_register_operand,
1008         low_register_operand, call_operand, di_operand,
1009         nonimmediate_di_operand): Move to predicates.md.
1010         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
1011         * config/fr30/fr30.md: Include predicates.md.
1012         * config/fr30/predicates.md: New.
1013
1014         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
1015         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
1016         mcore_call_address_operand.
1017
1018         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
1019         general_movsrc_operand.
1020
1021 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
1022
1023         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
1024         after freeing.
1025
1026 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
1027
1028         PR target/14812
1029         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
1030         a negated value.
1031
1032 2005-04-04  Richard Henderson  <rth@redhat.com>
1033             Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR rtl-optimization/16104
1036         * fold-const.c (fold_unary): Fix folding of vector conversions.
1037
1038 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1039
1040         * config.gcc (xstormy16-*-elf): Set extra_options.
1041         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
1042         * config/stormy16/stormy16.opt: New file.
1043
1044 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1045
1046         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
1047         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
1048         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
1049         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
1050         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
1051         (TARGET_UNIX_ASM): Delete.
1052         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
1053         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
1054         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
1055         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1056         * config/pdp11/pdp11.opt: New file.
1057
1058 2005-04-03  Roger Sayle  <roger@eyesopen.com>
1059             Alexandre Oliva  <aoliva@redhat.com>
1060
1061         PR c++/19199
1062         * fold-const.c (non_lvalue): Split tests into...
1063         (maybe_lvalue_p): New function.
1064         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
1065         C++ front-end prior to lowering into gimple form.
1066
1067 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1068
1069         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
1070         BUILT_IN_STRNCASECMP): New.
1071         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
1072         and strndup.
1073
1074 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
1075
1076         PR target/14812
1077         * arm.md (addsi3_compare0_for_combiner): Delete.
1078         (addsi3_compare0_scratch_for_combiner): Delete.
1079         (cmpsi_neg_shiftsi): Delete.
1080         (compare_negsi_si): New pattern.
1081         (cmpsi_negshiftsi_si): New pattern.
1082         (negated_cbranchsi4): Restrict to equality_operator.
1083         
1084         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
1085         template.
1086
1087 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1088
1089         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
1090         Fix comment typos.
1091
1092         * doc/install.texi: Fix a typo.
1093
1094 2005-04-03  Steven Bosscher  <stevenb@suse.de>
1095
1096         PR middle-end/20648
1097         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
1098         a computed goto if the edge to the computed goto block has
1099         incoming abnormal edges.  Clarify how the function works.
1100
1101 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
1102
1103         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
1104         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
1105         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
1106         hash_scan_set, reg_set_between_after_reload_p,
1107         reg_used_between_after_reload_p, get_avail_load_store_reg,
1108         eliminate_partially_redundant_load): Likewise.
1109         * postreload.c (reload_cse_simplify_set,
1110         reload_combine_note_use): Likewise.
1111         * predict.c (predict_insn, expected_value_to_br_prob,
1112         propagate_freq, expensive_function_p): Likewise.
1113         * print-rtl.c (print_rtx): Likewise.
1114         * profile.c (instrument_edges, instrument_values,
1115         compute_branch_probabilities, branch_prob, union_groups,
1116         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
1117         * protoize.c (in_system_include_dir, file_could_be_converted,
1118         file_normally_convertible, gen_aux_info_file, seek_to_line,
1119         do_cleaning): Likewise.
1120         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
1121         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1122         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1123
1124 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1125
1126         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
1127         * modulo-sched.c (undo_replace_buff_elem): New structure.
1128         (kernel_number_of_cycles, ps_unschedule_node,
1129         undo_generate_reg_moves,free_undo_replace_buff,
1130         undo_permute_partial_schedule,  loop_single_full_bb_p,
1131         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
1132         build_loops_structure, get_sched_window): New.
1133         (generate_reg_moves): Return undo_replace_buff_elem and other
1134         fixes.
1135         (generate_prolog_epilog): Remove old loop versioning.
1136         (sms_schedule): Use loop information and loop_version.
1137         (sms_schedule_by_order): Split part of it to get_sched_window.
1138         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
1139         cfg_layout_finalize and free_dominance_info before/after SMS.
1140
1141 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1142
1143         * cfghooks.c (lv_flush_pending_stmts,
1144         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
1145         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
1146         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
1147         lv_add_condition_to_bb,
1148         lv_adjust_loop_header_phi, extract_cond_bb_edges,
1149         flush_pending_stmts): New in cfg_hooks structure.
1150         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
1151         extract_cond_bb_edges, lv_adjust_loop_header_phi,
1152         lv_add_condition_to_bb): New declarations.
1153         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
1154         bool.
1155         (loop_version): Declare.
1156         * cfgloopmanip.c (cfghooks.h): Include.
1157         (duplicate_loop_to_header_edge): Change return type to bool.
1158         (loop_version, lv_adjust_loop_entry_edge): Move here.
1159         * cfgrtl.c (cfgloop.h): Include.
1160         (rtl_verify_flow_info_1): Fix.
1161         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
1162         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
1163         initialization.
1164         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
1165         tree_lv_add_condition_to_bb): New.
1166         (tree_cfg_hooks): Add new hooks to initialization.
1167         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
1168         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
1169
1170 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1171
1172         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
1173         xstormy16_below100_or_register,
1174         xstormy16_splittable_below100_or_register, and
1175         nonimmediate_nonstack_operand.
1176
1177         * config/stormy16/stormy16-protos.h: Remove the prototypes for
1178         xstormy16_ineqsi_operator, equality_operator,
1179         inequality_operator, shift_operator,
1180         xstormy16_below100_operand, xstormy16_below100_or_register,
1181         xstormy16_splittable_below100_or_register,
1182         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
1183         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
1184         equality_operator, inequality_operator,
1185         xstormy16_below100_operand, xstormy16_below100_or_register,
1186         xstormy16_splittable_below100_or_register,
1187         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
1188         nonimmediate_nonstack_operand, shift_operator): Move to
1189         predicates.md.
1190         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
1191         * config/stormy16/stormy16.md: Include predicates.md.
1192         * config/stormy16/predicates.md: New.
1193
1194 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1195
1196         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
1197         small_int, large_int, reg_or_0_operand, simple_memory_operand,
1198         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
1199         move_operand, power_of_2_operand): Move to predicates.md.
1200         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
1201         PREDICATE_CODE): Remove.
1202         * config/iq2000/iq2000.md: Include predicates.md.
1203         * config/iq2000/predicates.md: New.
1204
1205 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
1206
1207         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
1208         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
1209         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
1210         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
1211         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
1212         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
1213         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
1214         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1215         (TARGET_M68HC11): Delete.
1216         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
1217         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
1218         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
1219         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1220         (nb_soft_regs): Delete.
1221         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
1222         (m68hc11_override_options): Remove the code that caters for MASK_M6811
1223         and MASK_M6812 being set simultaneously.  Change the code that sets
1224         the default m68hc11_soft_reg_count to use integers instead of strings.
1225         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
1226         m68hc11_soft_reg_count (which now has an int type) as the number
1227         of soft registers.
1228         * config/m68hc11/m68hc11.opt: New file.
1229
1230 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1231
1232         * config/fr30/fr30.h (PREDICATE_CODES): Remove
1233         fp_displacement_operand, sp_displacement_operand.
1234
1235         * config/m68hc11/m68hc11-protos.h: Add a prototype for
1236         m68hcc_auto_inc_p.
1237         Remove the prototypes for tst_operand, cmp_operand,
1238         stack_register_operand, d_register_operand,
1239         hard_addr_reg_operand, splitable_operand,
1240         m68hc11_logical_operator, m68hc11_arith_operator,
1241         m68hc11_non_shift_operator, m68hc11_shift_operator,
1242         m68hc11_unary_operator, m68hc11_eq_compare_operator,
1243         non_push_operand, hard_reg_operand, and
1244         reg_or_some_mem_operand.
1245         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
1246         extern.
1247         (tst_operand, cmp_operand, non_push_operand,
1248         splitable_operand, reg_or_some_mem_operand,
1249         stack_register_operand, d_register_operand,
1250         hard_addr_reg_operand, hard_reg_operand,
1251         m68hc11_eq_compare_operator, m68hc11_logical_operator,
1252         m68hc11_arith_operator, m68hc11_non_shift_operator,
1253         m68hc11_shift_operator, m68hc11_unary_operator): Move to
1254         predicates.md.
1255         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
1256         * config/m68hc11/m68hc11.md: Include predicates.md.
1257         * config/m68hc11/predicates.md: New.
1258
1259 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1260
1261         PR debug/19345
1262         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
1263         change checked in along with 2005-03-03's patch for debug/20253.
1264         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
1265         (remap_decl): Insert type decl in map earlier.
1266
1267 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1268
1269         PR tree-optimization/20640
1270         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
1271         post-dominator if it has phi nodes.
1272         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
1273         before dead statements.
1274
1275 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1276
1277         PR middle-end/20491
1278         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
1279
1280 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1281
1282         PR rtl-optimization/20290
1283         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
1284         in every iteration if the entry point is the exit test.
1285
1286 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
1287
1288         * config/cris/cris.md (attribute "length"): Define.
1289
1290 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
1291
1292         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
1293         (word_offset_memref_operand): New.
1294         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
1295         (indexed_or_indirect_operand): Delete.
1296         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
1297         (indexed_or_indirect_operand): Delete.
1298
1299         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
1300
1301         PR 20650
1302         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
1303         a register.
1304
1305         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
1306         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
1307
1308 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1309
1310         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
1311
1312 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1313
1314         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
1315         (rus, prus): Remove static variables.
1316         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
1317         (process_command): Permit report_times and use_pipes together.
1318
1319 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         * c-decl.c (validate_proto_after_old_defn): Look at
1322         TYPE_MAIN_VARIANT of argument types.
1323
1324 2005-04-01  Paul Brook  <paul@codesourcery.com>
1325
1326         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
1327         (arm_output_function_epilogue): Allow call_via_SP.
1328         (thumb_call_via_reg, arm_file_end): Ditto.
1329         * config/arm/arm.h (struct machine_function): Include space for SP.
1330         (thumb_call_via_label): Update declaration.
1331
1332 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1333
1334         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
1335         doing a peephole optimization, once again put any notes in the
1336         proper position.
1337
1338 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1339
1340         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
1341
1342 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1343
1344         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
1345         (block_alloc, find_free_reg): Likewise.
1346         * loop-doloop.c (doloop_modify): Likewise.
1347         * loop-invariant.c (record_use): Likewise.
1348         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
1349         get_iv_value, canon_condition, eliminate_implied_condition,
1350         eliminate_implied_condition, simplify_using_initial_values,
1351         shorten_into_mode, canonicalize_iv_subregs,
1352         iv_number_of_iterations): Likewise.
1353         * loop-unroll.c (expand_var_during_unrolling): Likewise.
1354         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
1355         unswitch_loop): Likewise.
1356         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
1357         move_movables, replace_call_address, find_and_verify_loops,
1358         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
1359         record_giv, final_giv_value, general_induction_var,
1360         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
1361         loop_giv_dump): Likewise.
1362
1363         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
1364         GCOV_CHECK_WRITING): Remove.
1365         (gcov_position, gcov_rewrite): Use gcc_assert.
1366         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
1367         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
1368         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
1369         gcc_assert.
1370
1371 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1372
1373         * tree-inline.c: Fix a typo.
1374
1375 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1376
1377         * configure.ac (enable-checking): Explicitly set all variables for
1378         collective switch values.  Alphabetize variables. Rename
1379         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1380         synonym for 'no'.
1381         * doc/install.texi (enable-checking): Update documentation.
1382         * configure: Rebuilt.
1383
1384 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1385
1386         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1387         possible.
1388
1389 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1390
1391         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1392         Also reject cases where this pattern will cause load delay stalls
1393         unless optimizing for size and it will produce a shorter sequence.
1394         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1395         variants to avoid pre-adjusting the base when possible.
1396
1397 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1398
1399         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1400         the frame and argument pointers.
1401         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1402         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1403         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1404         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1405         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1406         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1407
1408 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1409
1410         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1411         with entry for selectany attribute.
1412         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1413         Declare.
1414         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1415         (i386_pe_asm_named_section): Handle sections generated by
1416         selectany attribute.
1417         * doc/extend.texi (selectany): Document attribute.
1418
1419 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1420             Jan Hubicka  <jh@suse.cz>
1421
1422         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1423         to fix addresses involving EBP and ESP.
1424         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1425         for SUBREGed registers.
1426         (legitimate_address_p): Accept SUBREGed registers.
1427
1428 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR c++/19406
1431         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1432         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1433         for FIELD_DECLs.
1434
1435 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1436
1437         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1438
1439 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1440
1441         PR c++/20505
1442         * dwarf2out.c (rtl_for_decl_init): New function.
1443         (rtl_for_decl_location): Extracted from here.
1444         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1445         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1446
1447 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1448
1449         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1450         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1451         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1452         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1453         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1454         config/i386/i386.md, config/rs6000/predicates.md,
1455         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1456         config/s390/s390.c, config/stormy16/stormy16.c,
1457         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1458         typos.
1459
1460 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1461
1462         PR c/17855
1463         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1464         COND_EXPR and CALL_EXPR.
1465
1466 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1467
1468         PR target/20632
1469         * genautomata.c (first_cycle_unit_presence): Check all alternative
1470         states for unit presence.
1471
1472         * doc/md.texi: Remove remark about impossibility to query unit
1473         presence in non nondeterministic automaton state.
1474         
1475         * config/ia64/ia64.c (get_template): Change order of unit querying.
1476
1477 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1478
1479         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1480         obsolete comment.
1481
1482 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1483
1484         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1485         flag for edges outside any loops.
1486
1487 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1488
1489         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1490
1491 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1492
1493         * tree-ssa-alias.c: Follow spelling conventions.
1494         * doc/tree-ssa.texi: Fix a typo.
1495
1496 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1497
1498         * postreload-gcse.c: Include target.h.
1499         (gcse_after_reload_main): Return early if we cannot modify jumps.
1500         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1501
1502 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1503
1504         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1505         expensive operations.
1506
1507 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1508
1509         * collect2.c (lderrout): New variable.
1510         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1511         if it is set, to stderr.
1512         (handler): Unlink lderrout if it is set.
1513         (dump_file): Add "to" parameter.  Change all callers.
1514         (main): Initialize lderrout.
1515         (collect_execute): Add errname parameter.  Change all callers.
1516         Rename redir parameter to outname.  Never pass
1517         PEX_STDERR_TO_STDOUT to pex_run.
1518         * collect2.h (collect_execute, dump_file): Update declarations.
1519         * tlink.c (tlink_execute): Add errname parameter.  Change all
1520         callers.
1521         (do_tlink): Check lderrout as well as ldout.
1522
1523 2005-03-31  Caroline Tice  <ctice@apple.com>
1524
1525         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1526         (bb-reorder.o): Add errors.h to list of requirements.
1527         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1528         profiledbootstrap flags.
1529         * bb-reorder.c (errors.h): Add new include.
1530         (struct bbro_basic_block_data_def): Add new field, in_trace.
1531         (add_unlikely_executed_notes):  Remove function.
1532         (mark_bb_for_unlikely_executed_section): Remove function.
1533         (insert_section_boundary_note): New function.
1534         (verify_hot_cold_block_grouping): New function.
1535         (push_to_next_round_p): Remove variables and tests that push all
1536         cold blocks to last round.
1537         (find_traces): Remove code that added extra round of trace finding
1538         when doing partitioning.
1539         (find_traces_1_round) :  Remove variable last_round;  add code to 
1540         update new struct field, in_trace; correct trace_length where it was 
1541         incorrect before (after call to copy_bb); change code that pushed all 
1542         cold blocks to last round. Instead verify that all blocks going into 
1543         a trace belong in the same partition.
1544         (connect_traces): Modify to connect the traces in two passes, if the
1545         function contains both hot and cold blocks.  The first pass connects 
1546         all the traces for blocks in the partition that the first block in 
1547         the function belongs to; the second pass connnects all the traces 
1548         containing blocks that belong in the other partition.
1549         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1550         code that automatically put the first block in a function into the
1551         hot partition if the function had any hot blocks.
1552         (fix_crossing_unconditional_branches): Check number of succ edges 
1553         before attempting to get one.
1554         (fix_edges_for_rarely_executed_code):  Update comment describing
1555         function.
1556         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1557         remove call to add_unlikely_executed_notes; add call to 
1558         verify_hot_cold_block_grouping.
1559         (duplicate_computed_gotos): Don't change computed goto if it's a 
1560         crossing edge.
1561         (partition_hot_cold_basic_blocks):  Update function comment.
1562         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1563         condition.
1564         (try_forward_edges): Likewise.
1565         (merge_blocks_move_predecessor_nojumps): Likewise.
1566         (merge_blocks_move_successor_nojumps): Likewise.
1567         (merge_blocks_move): Likewise.
1568         (try_crossjump_bb): Likewise.
1569         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1570         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1571         notes to cold bb's; remove call to update_unlikely_executed_notes.
1572         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1573         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1574         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1575         function declaration.
1576         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1577         from consideration.
1578         (rtl_can_merge_blocks): Remove redundancy from condition.
1579         (try_redirect_by_replacing_jump): Likewise.
1580         (force_nonfallthru_and_redirect): Remove code for adding
1581         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1582         (commit_one_edge_insertion): Likewise.
1583         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1584         * dbxout.c (FORCE_TEXT): Replace function_section with 
1585         current_function_section.
1586         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1587         function, switch_text_section.
1588         (struct xcoff_debug): Likewise.
1589         (dbxout_function_end): Add code to put out label diffs for both
1590         hot and cold sections.
1591         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1592         for new debug_hooks funciton, switch_text_section..
1593         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1594         switch_text_section.
1595         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1596         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1597         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1598         dw_fde_switched_sections.
1599         (output_call_frame_info):  Add test to see if function switches text
1600         sections in the middle; if so, use appropriate extra hot and cold 
1601         section labels to compute size deltas for the hot and cold sections.
1602         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1603         dw_fde_struct.
1604         (dwarf2out_switch_text_section): New function (invoked through 
1605         debug_hook); updates new fields in dw_fde_struct appropriately and
1606         increments separate_line_info_table_in_use.
1607         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1608         dwarf2out_switch_text_section.
1609         (struct var_loc_node): Add new field, section_label.
1610         (output_aranges): Add code to check whether in hot or cold section and
1611         use the appropriate label in calculating deltas.
1612         (output_ranges): Likewise.
1613         (output_line_info): Add code to check which section we're in and
1614         use appropriate hot/cold label.
1615         (add_location_or_constant_value_attribute): Likewise.
1616         (gen_subprogam_die): Modify arange attributes to use correct labels.
1617         (dwarf2out_begin_block): Change call to function_section into call to
1618         current_function_section.
1619         (dwarf2out_end_block): Likewise.
1620         (dwarf2out_source_line): Likewise.
1621         (dwarf2out_var_location): Add code to check whether in hot or cold 
1622         section and use the appropriate label.
1623         * except.c (output_function_exception_table): Change call to 
1624         function_section into call to current_function_section.
1625         * final.c (profile_function): Likewise.
1626         (scan_ahead_for_unlikely_executed_note): Remove function.
1627         (final_scan_insn):  Remove calls to 
1628         scan_ahead_for_unlikely_executed_note, and related code for switching 
1629         to cold section, except for the single time 
1630         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1631         debug_hooks->switch_text_sections; replace appropriate calls to 
1632         function_section with calls to current_function_section.
1633         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1634         test_bb to condition.
1635         (find_if_case_2): Likewise.
1636         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1637         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1638         * opts.c (decode_options): Change warning about hot/cold partitioning
1639         with exceptionss to inform (so as not to cause bootstrap failures);
1640         remove warning about partitioning with DWARF debug info.
1641         * output.h (current_function_section): Add new function decl.
1642         (insert_section_boundary_note): Likewise.
1643         (enum in_section): Move this declaration here from varasm.c.
1644         (unlikely_section_label): Likewise.
1645         (unlikely_text_section_name): Likewise.
1646         (last_text_section_name): New global variable.
1647         (last_text_section): Likewise.
1648         (hot_section_label): Likewise.
1649         (hot_section_end_label): Likewise.
1650         (cold_section_end_label): Likewise.
1651         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1652         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1653         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1654         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1655         insn from consideration.
1656         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1657         switch_text_section.
1658         * varasm.c (basic-block.h): Add new include.
1659         (unlikely_section_label_printed): Remove global variable.
1660         (unlikely_section_label): Make global variable not be static any more.
1661         (unlikely_text_section_name): Likewise.
1662         (hot_section_end_label): New global variable (not static)
1663         (first_function_block_is_cold): Likewise.
1664         (hot_section_label): Likewise.
1665         (cold_section_end_label): Likewise..
1666         (last_text_section): New global variable, not static.
1667         (last_text_section_name): New global variable, not static.
1668         (initialize_cold_section_name): New function.
1669         (enum in_section): Move declaration to output.h.
1670         (text_section): Update last_text_section.
1671         (unlikely_text_section): Replace code to determine cold section name 
1672         with call to initialize_cold_section_name; Add code to update 
1673         last_text_section; remove code for printing out label.
1674         (named_section_real): Add code to update last_text_section and 
1675         last_text_section_name as appropriate.
1676         (function_section): Change test for 'unlikely' to depend on
1677         first_function_block_is_cold (moved old test to 
1678         current_function_section).
1679         (current_function_section): New function.
1680         (assemble_start_function): Move code that frees 
1681         unlikely_text_section_name; initialize hot_section_end_label; 
1682         print hot and cold section labels at the start of the function; 
1683         set first_function_block_is_cold, if appropriate; initialize l
1684         ast_text_section; add call to insert_section_boundary_note.
1685         (assemble_end_function):  Add code to write out hot and cold section
1686         end labels.
1687         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1688         switch_text_section.
1689         * config/darwin.c (machopic_select_section): Replace incorrect 
1690         function in base_funs; update reloc for cold sections if necessary.
1691         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1692         last_text_section if appropriate.
1693         (text_unlikely_section): Remove.
1694         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1695         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1696         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1697         partitioning for this architecture.
1698
1699 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1700
1701         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1702         defined and non-zero.
1703
1704 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1705
1706         PR c++/18644
1707         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1708         semantics. 
1709
1710 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1711
1712         PR target/20611
1713         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1714         label operand.  Remove (use (unspec..)).  Don't emit a label on
1715         the offset word.
1716         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1717         generate inline label for load_toc_v4_PIC_1b.
1718         (rs6000_emit_load_toc_table): Likewise.
1719
1720 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1721
1722         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1723         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1724
1725 2005-03-29  Devang Patel  <dpatel@apple.com>
1726
1727         * tree-sra.c (decide_block_copy): Disable scalarization of
1728         sub-elements.
1729         
1730 2005-03-30  Stuart Hastings  <stuart@apple.com>
1731             Dale Johannesen  <dalej@apple.com>
1732
1733         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1734         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1735
1736 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1737
1738         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1739         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1740         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1741         is given with "powerpc64*" or "all", or when --with-cpu chooses
1742         a 64-bit cpu.
1743
1744 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1745
1746         PR debug/20268
1747         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1748         gen_lexical_block_die.
1749         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1750
1751 2005-03-31  Jan Hubicka  <jh@suse.cz>
1752
1753         2004-11-02  Jan Hubicka  <jh@suse.cz>
1754
1755         * cgraph.c (cgraph_varpool_node_name): New function.
1756         (dump_cgraph_varpool_node): New function.
1757         (dump_varpool): New function.
1758         * cgraphunit.c (cgraph_optimize): Dump varpool.
1759
1760         2004-10-16  Jan Hubicka  <jh@suse.cz>
1761
1762         * cgraph.c (decide_is_variable_needed): New function.
1763         (cgraph_varpool_finalize_decl): Use it.
1764         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1765         unit-at-a-time.
1766         * final.c (output_addr_const): Do not call mark_referenced.
1767         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1768         always go via cgraph.
1769         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1770         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1771         * tree-optimize.c (execute_inline): Mark functions called.
1772         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1773
1774         2004-10-11  Jan Hubicka  <jh@suse.cz>
1775
1776         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1777         (cgraph_varpool_last_needed_node): New static variable.
1778         (enqueue_needed_varpool_node): Break out from ...; add items to the
1779         end of queue; update first pointers.
1780         (cgraph_varpool_mark_needed_node): ... here.
1781         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1782         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1783         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1784         (cgraph_varpool_first_unanalyzed_node): Declare.
1785         * cgraphunit.c: Include output.h.
1786         (cgraph_varpool_analyze_pending_decls): New function.
1787         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1788         for errors, analyze pending decls.
1789         (cgraph_finalize_compilation_unit): Only analyze decls.
1790         (cgraph_optimize): Assemble the decls after expanding.
1791
1792 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1793
1794         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1795         subvars get marked properly in tags for grouping.
1796         (add_pointed_to_var): Mark only actual pointed to
1797         variables/subvars in addresses needed.
1798         (create_overlap_variables_for): Clear call clobbered on original
1799         variable.
1800         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1801         addresable vars with subvars into list.
1802         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1803         subvar should be.
1804
1805 2005-03-30  Richard Henderson  <rth@redhat.com>
1806
1807         * cgraph.h (struct cgraph_node): Add alias.
1808         * varasm.c (assemble_alias): Set it.
1809         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1810         avoid calling cgraph_expand_function.
1811
1812 2005-03-30  Tom Tromey  <tromey@redhat.com>
1813
1814         * tree.def (FILE_TYPE): Removed.
1815         * typeclass.h (enum type_class): Removed file_type_class.
1816         * dwarf2out.c (is_base_type): Updated.
1817         (gen_type_die): Likewise.
1818         * dbxout.c (dbxout_type): Updated.
1819         * builtins.c (type_to_class): Updated.
1820         * tree.c (type_contains_placeholder_1): Updated.
1821         * config/sparc/sparc.c (sparc_type_code): Updated.
1822         * config/ia64/ia64.c (hfa_element_mode): Updated.
1823         * expr.c (count_type_elements): Updated.
1824         * stor-layout.c (layout_type): Updated.
1825         * tree-inline.c (remap_type): Updated.
1826         * tree-pretty-print.c (dump_generic_node): Updated.
1827
1828 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1829
1830         * builtins.c (expand_builtin_powi): Fix mode of
1831         2nd argument to match int.
1832         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1833         2nd argument type to int.
1834         * libgcc2.c: Change prototype of __powi* functions to use
1835         int.
1836
1837 2005-03-30  Dale Johannesen  <dalej@apple.com>
1838
1839         PR middle-end/19225
1840         * calls.c (expand_call):  Flush pending deferrals before
1841         throwing call.
1842
1843 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1844
1845         PR c/772
1846         PR c/17913
1847         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1848         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1849         c_label_context, label_context_stack): New.
1850         * c-decl.c (define_label): Check for jumps into statement
1851         expressions.  Add label to list of defined labels.
1852         (start_function): Push context on label_context_stack.
1853         (finish_function): Pop context from label_context_stack.
1854         * c-typeck.c (label_context_stack): New.
1855         (c_finish_goto_label): Check for jumps into statement
1856         expressions.  Add label to list of jumped to labels.
1857         (struct c_switch): Add blocked_stmt_expr.
1858         (c_start_case): Initialize it.
1859         (do_case): Check it.
1860         (c_finish_case): Verify !blocked_stmt_expr.
1861         (c_begin_stmt_expr):  Push context on label_context_stack.
1862         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1863         as undefinable.
1864         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1865         defined in the statement expression and no longer jumpable to.
1866         Mark labels jumped to from just outside the statement expression
1867         as again definable.  Pop context from label_context_stack.
1868         * doc/extend.texi (Statement Exprs): Update.
1869
1870 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1871
1872         PR c/20368
1873         * c-decl.c (start_function): Check for old_decl being
1874         error_mark_node.
1875
1876 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1877
1878         * final.c (final): Remove prescan parameter.  Change all callers.
1879         (final_scan_insn): Remove prescan parameter.  Change all callers.
1880
1881 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1882
1883         * tree-vectorizer.c: Fix comment typos.
1884
1885 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1886
1887         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1888         as soon as a chrec_dont_know is detected.
1889
1890 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1891
1892         Merge from csl-arm-branch.
1893         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1894
1895         * tlink.c (recompile_files): Do not assume that "rename" can
1896         overwrite an existing file.
1897
1898 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1899
1900         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1901         * gcc/configure: Regenerate.
1902
1903 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1904
1905         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1906
1907         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1908
1909         * calls.c (struct arg_data): Update "partial" comment.
1910         (load_register_parameters): Update "nregs" comment.
1911
1912 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1913
1914         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1915         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1916         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1917         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1918         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1919         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1920         than target_flags & 0.
1921         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1922         (iq2000_arch, iq2000_parse_cpu): Delete.
1923         (TARGET_HANDLE_OPTION): Override default.
1924         (iq2000_handle_option): New function.
1925         (override_options): Remove -march= and -mcpu= handling.
1926         * config/iq2000/iq2000.opt: New file.
1927
1928 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1929
1930         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1931         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1932         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1933         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1934         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1935         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1936         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1937         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1938         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1939         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1940         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1941         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1942         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1943         (TARGET_OPTIONS): Delete.
1944         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1945         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1946         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1947         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1948         (c4x_cpu_version_string): Delete.
1949         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1950         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1951         equivalent -mcpu= option.
1952         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1953         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1954         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1955         or clearing the appropriate MASK_* bit.
1956         (c4x_file_start): Use c4x_cpu_version.
1957         * config/c4x/c4x.opt: New file.
1958
1959 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1960
1961         * doc/options.texi: Document the new MaskExists flag.
1962         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1963         if the option has the MaskExists flag.
1964
1965 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1966
1967         * opt-functions.awk (flag_set_p, test_flag): New functions.
1968         (switch_flags): Use them.
1969         * opth-gen.awk: Use flag_set_p to check for flags.
1970         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1971
1972 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1973
1974         * config.host (i[34567]86-*-mingw32*): Don't set
1975         host_can_use_collect2 to no.
1976
1977 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1978
1979         PR target/20203
1980         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1981         Remove convert_memory_address call duplicating that in memory_address.
1982
1983 2005-03-29  Richard Henderson  <rth@redhat.com>
1984
1985         PR c/20519
1986         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1987         (build_compound_literal): Likewise.  Propagate decl type into the
1988         initializer.
1989         (finish_decl): Likewise.  Use new return value from complete_array_type
1990         for zero sized arrays.
1991         (complete_array_type): Move ...
1992         * c-common.c (complete_array_type): ... here.  Change first argument
1993         to pointer-to-type-node.  Consistently use sizetype for the index
1994         except for zero sized arrays.  Detect zero sized arrays for pedantic
1995         mode diagnostics.  Create a new type node instead of modifying the
1996         old node in place.
1997         * c-tree.h (complete_array_type): Move decl ...
1998         * c-common.h (complete_array_type): ... here.
1999
2000 2005-03-29  Richard Henderson  <rth@redhat.com>
2001
2002         PR tree-opt/19108
2003         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
2004
2005 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
2006
2007         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
2008         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
2009         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
2010         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
2011
2012 2005-03-29  Eric Christopher  <echristo@redhat.com>
2013
2014         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
2015         truthvalue conversion removal.
2016
2017 2005-03-29  Ian Lance Taylor  <ian@airs.com>
2018
2019         PR bootstrap/14316
2020         * collect2.c: Never include <vfork.h>.
2021         (VFORK_STRING, vfork): Don't define.
2022         (pid): Remove global variable.
2023         (handler): Call raise instead of kill (getpid(), ...).
2024         (collect_wait): Add pex parameter.  Change all callers.  Use
2025         pex_get_status rather than pwait.
2026         (do_wait): Add pex parameter.  Change all callers.
2027         (collect_execute): Return struct pex_obj * rather than void.  Use
2028         pex routines rather than pexecute.
2029         (fork_execute): Get pex_obj from collect_execute, and pass it to
2030         do_wait.
2031         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
2032         Only declare quit_handler if SIGQUIT is defined.
2033         (scan_libraries): Likewise.
2034         * collect2.h (collect_execute): Update declaration.
2035         (collect_wait): Update declaration.
2036         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
2037         pass it to collect_wait.
2038
2039 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
2040
2041         PR c/20672
2042         * c-parser.c (c_parser_compound_statement_nostart): Give error
2043         message for EOF instead of just setting parser->error.
2044
2045 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
2046
2047         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
2048         (slpeel_update_phi_nodes_for_guard1): New function.
2049         (slpeel_update_phi_nodes_for_guard2): New function.
2050         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
2051         of slpeel_update_phi_nodes_for_guard.
2052         (vectorize_loops): Remove call to loop_closed_rewrite.
2053         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
2054         assertion.
2055
2056 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
2057
2058         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
2059         (TARGET_LITTLE_ENDIAN): New macro.
2060         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
2061         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
2062         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
2063         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
2064         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
2065         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
2066         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
2067         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
2068         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
2069         (TARGET_OPTIONS): Delete.
2070         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
2071         (CACHE_FLUSH_TRAP): Turn into an integer.
2072         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
2073         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
2074         -mflush-trap is in use.
2075         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
2076         (m32r_cache_flush_trap_string): Delete.
2077         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
2078         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
2079         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
2080         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2081         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
2082         -mmodel= and -msdata= handling from...
2083         (m32r_init): ...here.
2084         * config/m32r/m32r.opt: New file.
2085
2086 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
2087
2088         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
2089         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
2090         * tree-vect-analyze.c (vect_object_analysis): additional parm
2091         pass back a "struct ptr_info_def *" with the points-to info.
2092         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
2093         statement using info returned from vect_object_analysis.
2094         * tree-vect-transform.c (update_vuses_to_preheader): New function.
2095         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
2096         for virtual uses and defs when creating a replacement vector
2097         reference.  Call duplicate_ssa_name_ptr_info to define points-to
2098         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
2099         (vectorizable_store): copy_virtual_operands and update
2100         definition statements.
2101         (vectorizable_load): copy_virtual_operands.  Remove call to
2102         mark_call_clobbered_vars_to_rename for call to "const" builtin.
2103         * tree-vectorizer.c (vectorize_loops): Remove calls to
2104         rewrite_into_ssa and bitmap_clear (vars_to_rename).
2105         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
2106         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
2107         define macro STMT_VINFO_PTR_INFO for use in accessing.
2108         * tree.h add export of duplicate_ssa_name_ptr_info.
2109         * rs6000.c (altivec_init_builtins): Declare builtin function
2110         __builtin_altivec_mask_for_load to be "const".
2111
2112 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR middle-end/20622
2115         * cgraph.h (struct cgraph_varpool_node): Add alias field.
2116         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
2117         assemble_variable on aliases.
2118         * varasm.c (assemble_alias): Set node->alias.
2119         * toplev.c (wrapup_global_declarations): Don't call
2120         rest_of_decl_compilation on aliases again.
2121
2122 2005-03-29  Paul Brook  <paul@codesourcery.com>
2123
2124         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
2125         * config/arm/arm.c (arm_dbx_register_number): New function.
2126         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
2127
2128 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
2129
2130         PR middle-end/20263
2131         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
2132         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
2133
2134 2005-03-29  Dale Johannesen <dalej@apple.com>
2135
2136         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
2137         $(TREE_H) and $(COVERAGE_H).
2138         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
2139         * opts.c (common_handle_option): Enable tree-based value transforms.
2140         * toplev.c (process_options): Ditto.
2141         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
2142         refers to references to this type.
2143         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
2144         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
2145         for may_be_more, may_be_less.
2146         (rtl_gen_pow2_profiler): Adjust.
2147         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
2148         (rtl_gen_one_value_profiler): Adjust.
2149         (rtl_gen_const_delta_profiler): Adjust.
2150         * tree-profile.c (tree_gen_interval_profiler): Implement.
2151         (tree_gen_pow2_profiler): Ditto.
2152         (tree_gen_one_value_profiler): Ditto.
2153         (tree_profiling): New.
2154         (pass_tree_profile): Reference it.
2155         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
2156         tree.h, gcov-io.h.
2157         (insn_divmod_values_to_profile): Rename to
2158         rtl_divmod_values_to_profile. Adjust.
2159         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
2160         (insn_prefetch_values_to_profile): Adjust.
2161         (rtl_value_profile_transformations): Adjust.
2162         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
2163         (gen_mod_pow2): Rename to rtl_mod_pow2.
2164         (gen_mod_subtract): Rename to rtl_mod_subtract.
2165         (divmod_fixed_value_transform): Rename to
2166         rtl_divmod_fixed_value_transform.
2167         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
2168         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
2169         (rtl_find_values_to_profile): Adjust.
2170         (tree_value_profile_transformations): Implement.
2171         (tree_divmod_values_to_profile): New.
2172         (tree_values_to_profile): New.
2173         (tree_divmod_fixed_value): New.
2174         (tree_mod_pow2): New.
2175         (tree_mod_subtract): New.
2176         (tree_divmod_fixed_value_transform): New.
2177         (tree_mod_pow2_value_transform): New.
2178         (tree_mod_subtract_transform): New.
2179         (tree_find_values_to_profile): Implement.
2180         * profile.c (instrument_values):  Free histograms.
2181         (compute_value_histograms): Adjust. Implement tree version.
2182
2183 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
2184
2185         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
2186         * config/i386/i386.c (output_fix_trunc): Add new round_mode
2187         variable.  Output "fldcw" depending on round_mode.
2188         * config/i386/i386.md (UNSPEC_FIST): New.
2189         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
2190         New isns patterns to implement lrint and llrint built-ins as x87
2191         intrinsic function.
2192         (fistdi2, fist<mode>2 splitters): New splitters.
2193         (lrint<mode>2): New expanders.
2194
2195 2005-03-28  Ian Lance Taylor  <ian@airs.com>
2196
2197         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
2198         0 when calling final_scan_insn.
2199
2200 2005-03-28  Jan Hubicka  <jh@suse.cz>
2201
2202         PR middle-end/20635
2203         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
2204         as needed.
2205
2206         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
2207         types where possible.
2208
2209 2005-03-26  Per Bothner  <per@bothner.com>
2210
2211         Make -f[no-]show-column also control non-cpp diagnostics.
2212         * c.opt (fshow-column): Move option from here ...
2213         * common.opt (fshow-column): ... to here.
2214         * diagnostic.c (diagnostic_build_prefix): Only print column number
2215         if flag_show_column.
2216
2217 2005-03-27  Steven Bosscher  <stevenb@suse.de>
2218
2219         * vax-protos.h (vax_output_int_move, vax_output_int_add,
2220         vax_output_conditional_branch): New prototypes.
2221         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
2222         extracted from vax.md mov and add patterns.
2223         (vax_output_conditional_branch): New function to output conditional
2224         branch instructions.
2225         * vax.md: Use mode macros for arithmetic and mov patterns.
2226         Use code macros for the jump patterns.
2227
2228 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2229
2230         * Makefile.in (libbackend.o): Depend on version files;
2231         add custom generation command.
2232
2233 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2234
2235         PR target/20636
2236         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
2237         sure that we have a REG before getting its REGNO.
2238
2239 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2240
2241         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
2242         * builtins.def (BUILT_IN_STRNDUP): New.
2243
2244 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
2245
2246         PR tree-optimization/20470
2247         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
2248         ABS(x-y).
2249
2250 2005-03-25  Mike Stump  <mrs@apple.com>
2251
2252         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
2253         sized objects.
2254
2255 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
2256
2257         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
2258         Use our own structure definitions.
2259
2260         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
2261         (fix_truncdfsi2): Allow registers or memory as destination.
2262         When TARGET_PPC_GFXOPT, generate simplified pattern.
2263         (fix_truncdfsi2_internal): Use define_insn_and_split.
2264         (fix_truncdfsi2_internal_gfxopt): New.
2265         (fctiwz): Don't confuse register allocation by giving it no choices.
2266         (stfiwx): New.
2267         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
2268         (EXTRA_MEMORY_CONSTRAINT): Likewise.
2269         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
2270         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
2271
2272 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2273
2274         * dominance.c (free_dominance_info): Speed up by freeing et
2275         data structures without maintaining other nodes.
2276         * et-forest.c (et_free_tree_force): New.
2277         * et-forest.h: Add a prototype for et_free_tree_force.
2278
2279         * tree.c (get_set_constructor_bits,
2280         get_set_constructor_bytes): Remove.
2281         * tree.h: Remove the corresponding prototypes.
2282
2283 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2284
2285         PR target/15491
2286         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
2287         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
2288         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
2289         PRE_DEC, NEG and NOT.
2290
2291 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2292
2293         * fold-const.c: Convert uses of fold (build (...)) to
2294         fold_buildN.
2295
2296 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
2297
2298         PR rtl-optimization/20249
2299         * cse.c (insert_regs): Do not record equivalence of registers in
2300         different modes.
2301
2302 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
2303
2304         * emit-rtl.c (reverse_comparison): Remove.
2305         * rtl.h: Remove the corresponding prototype.
2306
2307 2005-03-24  James E Wilson  <wilson@specifixinc.com>
2308
2309         * doc/install.texi (--enable-altivec): Delete docs.
2310
2311 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
2312
2313         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
2314         SFmode and DFmode before reload when
2315         flag_unsafe_math_optimizations not enabled.
2316
2317 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
2318
2319         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
2320
2321         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
2322         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
2323
2324 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2325
2326         * configure.ac (enable-checking): Add 'runtime' option.
2327         * doc/install.texi (enable-checking): Document 'runtime' checking.
2328         * tsystem.h (gcc_assert, gcc_unreachable): Define.
2329         * config.in: Regenerated.
2330         * configure: Regenerated.
2331
2332 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
2333
2334         * optabs.h (enum optab_index): Remove OTI_llrint.
2335         (llrint_optab): Remove macro.
2336         * optabs.c (init_optabs): Remove llrint_optab initialization.
2337         * genopinit.c (optabs): Remove llrint_optab implementation.
2338         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
2339         using lrint_optab.
2340
2341 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
2342
2343         PR rtl-optimization/20532
2344         * simplify-rtx.c (simplify_binary_operation_1): Protect from
2345         overflow when adding coefficients for PLUS or MINUS.
2346         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
2347         two as multiplier.
2348
2349 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2350
2351         * langhooks.h (truthvalue_conversion): Remove.
2352         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2353         LANG_HOOKS_TRUTHVALUE_CONVERSION.
2354         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
2355         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
2356         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
2357
2358 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
2359
2360         * params.def: Fix a typo.
2361         * config/mips/mips.c: Follow the spelling convensions.
2362         * doc/invoke.texi: Fix typos.
2363
2364 2005-03-18  Dale Johannese  <dalej@apple.com>
2365
2366         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
2367
2368 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
2369
2370         Fix PR tree-optimization/20601
2371
2372         * tree-ssa-pre.c (insert_aux): Add missing condition to
2373         constification.
2374
2375 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2376
2377         * final.c (final_scan_insn): Don't remove no-op instructions.
2378         * reload1.c (reload): Remove simple no-op instructions even when
2379         not optimizing.
2380
2381 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2382
2383         PR tree-optimization/20501
2384         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2385         reporting that peeling for alignment is applied moved to...
2386         * (vect_analyze_data_refs_alignment): Here.
2387
2388 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2389
2390         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2391
2392 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2393
2394         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2395         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2396
2397 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2398
2399         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2400         imply that this is called once, independent of asms in code.
2401         Adjust to now being pased output and input lists.  Mention helper
2402         function decl_overlaps_hard_reg_set_p.
2403         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2404         hook_tree_tree_identity and to take three trees, returning third.
2405         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2406         prototype.
2407         * stmt.c: include hard-reg-set.h before tree.h.
2408         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2409         (decl_conflicts_with_clobbers_p): Call
2410         decl_overlaps_hard_reg_set_p.
2411         (expand_asm_operands): Pass output and input lists in call to
2412         targetm.md_asm_clobbers.
2413         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2414         hook_tree_tree_tree_tree_3rd_identity.
2415         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2416         parameters.
2417         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2418         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2419         parameters, first two unused.
2420         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2421         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2422         in constraint letters and MOF is not mentioned as a asm-declared
2423         register in neither of the input and output lists.
2424
2425 2005-03-23  DJ Delorie  <dj@redhat.com>
2426
2427         * optabs.c (expand_binop): Make sure the first subword's result
2428         gets stored.
2429
2430 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2431
2432         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2433         Call c_common_truthvalue_conversion rather than
2434         lang_hooks.truthvalue_conversion.
2435         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2436         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2437         c-typeck.c.
2438         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2439         c_common_truthvalue_conversion.
2440         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2441         c_parser_conditional_expression, c_parser_binary_expression): Call
2442         c_objc_common_truthvalue_conversion.
2443         * c-typeck.c (build_unary_op): Call
2444         c_objc_common_truthvalue_conversion.
2445         (build_conditional_expr): Do not call
2446         lang_hooks.truthvalue_conversion.
2447         (build_binary_op): Call c_common_truthvalue_conversion.
2448         (c_objc_common_truthvalue_conversion): Moved from
2449         c-objc-common.c.  Call default_function_array_conversion instead
2450         of default_conversion.
2451
2452 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2453
2454         * c-common.h (default_conversion): Remove.
2455         (perform_integral_promotions): Add.
2456         * c-tree.h (default_conversion): Add.
2457         * c-typeck.c (perform_integral_promotions): New, split out from
2458         default_conversion.
2459         * c-common.c (check_case_value): Use perform_integral_promotions,
2460         not default_conversion.
2461         (c_add_case_label): Don't continue processing case label after
2462         found to be pointer.
2463
2464 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2465
2466         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2467         the prefix list if we have already added a multilib directory
2468         based on that path.
2469         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2470         search with -L.
2471
2472 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2473
2474         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2475         static.
2476         * reload.h: Remove the prototype for indirect_symref_ok.
2477
2478         * reload1.c (indirect_symref_ok): Make it global.
2479         * reload.h: Add a prototype for indirect_symref_ok.
2480
2481 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2482
2483         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2484         ashlhi3 expander.
2485
2486 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2487
2488         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2489
2490 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2491
2492         * c-opts.c (c_common_parse_file): Only start/end main source file
2493         if debug hooks says the writer wants it.
2494         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2495         member.
2496         (xcoff_debug_hooks): Ditto.
2497         * debug.c (do_nothing_hooks): Ditto.
2498         * debug.h (gcc_debug_hooks): Ditto.
2499         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2500         * sdbout.c (sdb_debug_hooks): Ditto.
2501         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2502
2503 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2504
2505         * doc/extend.texi: Deprecate C++ min/max operators.
2506
2507 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2508
2509         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2510         artificial original candidates.
2511
2512 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2513             Jan Hubicka  <jh@suse.cz>
2514             Steven Bosscher <stevenb@suse.de>
2515
2516         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2517         call cost based on argument sizes.
2518         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2519         inlining.
2520         * params.def: (max-inline-inssn-single): Set to 450.
2521         (max-inline-insns-auto): Set to 90.
2522         (max-inline-insns-recursive): Set to 450
2523         (max-inline-insns-recursive-auto): Set to 450.
2524         (large-function-insns): Set to 2700.
2525         (inline-call-cost): New parameter.
2526         * tree-inline.c (estimate_move_cost): New function.
2527         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2528         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2529         based on arguments.
2530         * tree-inline.h (estimate_move_cost): Declare.
2531         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2532         (max-inline-insns-auto): Change default to 90.
2533         (max-inline-insns-recursive): Change default to 450
2534         (max-inline-insns-recursive-auto): Change default to 450.
2535         (large-function-insns): Change default to 2700.
2536         (inline-call-cost): Document new parameter.
2537
2538 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2539
2540         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2541         (TARGET_DEFAULT): Delete.
2542         * config/i860/i860.opt: New file.
2543
2544 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2545
2546         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2547         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2548         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2549         (frv_sched_lookahead): Delete.
2550         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2551         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2552         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2553         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2554         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2555         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2556         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2557         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2558         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2559         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2560         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2561         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2562         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2563         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2564         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2565         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2566         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2567         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2568         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2569         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2570         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2571         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2572         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2573         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2574         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2575         (frv_sched_lookahead): Delete.
2576         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2577         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2578         (frv_handle_option): New function.  Move -mcpu= handling from...
2579         (frv_override_options): ...here.  Remove handling of other
2580         TARGET_OPTIONS.
2581         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2582         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2583         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2584         and TARGET_NO_MULTI_CE.
2585         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2586         !TARGET_VLIW_BRANCH.
2587         * config/frv/frv.opt: New file.
2588
2589 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2590
2591         * fold-const.c (fold_ternary): Take decomposed arguments of
2592         CALL_EXPR.
2593         (fold): Update a call to fold_ternary.
2594
2595         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2596         * tree.h: Add corresponding prototypes.
2597
2598 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2599
2600         PR target/20561
2601         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2602         between jump table and its label.
2603         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2604         resp. ADDR_DIFF_VEC and the label preceeding it.
2605         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2606         is emitted in the right section.
2607
2608 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2609
2610         * fold-const.c (fold_unary, fold_binary): Update comments
2611         about arguments.
2612
2613 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2614
2615         PR rtl-optimization/20527
2616         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2617         REG_INC note, test that the register also isn't mentioned in PRED
2618         or SUCC.
2619
2620 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2621
2622         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2623         and definition.
2624
2625 2005-03-21  Mike Stump  <mrs@apple.com>
2626
2627         * varasm.c (default_assemble_visibility): Remove extra ().
2628
2629 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2630
2631         PR middle-end/20557
2632         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2633         to determine whether a block can be duplicated, rather than test
2634         whether the block contains noncopyable insns ourselves.
2635
2636 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2637
2638         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2639         predicates.
2640
2641 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2642
2643         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2644
2645 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2646
2647         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2648         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2649         * config/fr30/fr30.opt: New file.
2650
2651 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2652
2653         Fix PR tree-optimization/20542
2654
2655         * tree-flow-inline.h (overlap_subvar): Move to here.
2656         * tree-ssa-operands.c: From here.
2657         * tree-flow.h (overlap_subvar): Declare.
2658         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2659         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2660         for variables with subvars.
2661
2662 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2663
2664         PR middle-end/20177
2665         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2666         * modulo-sched.c (const_iteration_count): Return on NULL
2667         pre-header.
2668         (print_node_sched_params): Return on NULL dump_file.
2669         (generate_reg_moves): Handle reg-anti dependencies and disregard
2670         closing branch when generating register moves.
2671         (sms_schedule): Mark the SMSed block dirty.
2672         * passes.c (rest_of_handle_sms): Call update_life_info for all
2673         basic-blocks.
2674         * testsuite/gcc.dg/20050321-1.c: New test.
2675
2676 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2677
2678         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2679         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2680         movqi_internal): Likewise.
2681
2682 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2683
2684         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2685         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2686         xtensa_b4const): Delete prototypes.
2687         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2688         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2689         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2690         xtensa_extra_constraint): New prototypes.
2691         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2692         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2693         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2694         move_operand, const_float_1_operand, fpmem_offset_operand,
2695         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2696         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2697         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2698         argument type to HOST_WIDE_INT.
2699         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2700         xtensa_mask_immediate): Likewise.
2701         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2702         Likewise.  Also make these functions static.
2703         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2704         (xtensa_const_ok_for_letter_p): New.
2705         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2706         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2707         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2708         move_operand, const_float_1_operand, fpmem_offset_operand,
2709         branch_operator, ubranch_operator, boolean_operator): Move to
2710         predicates.md.
2711         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2712         (xtensa_mem_offset): Change return type to bool.
2713         (xtensa_extra_constraint): New.
2714         (gen_int_relational): Update type of const_range_p function pointer.
2715         Use xtensa_b4const_or_zero.
2716         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2717         xtensa_const_ok_for_letter_p.  Update comments.
2718         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2719         (PREDICATE_CODES): Delete.
2720         * config/xtensa/xtensa.md: Include predicates.md.
2721         * config/xtensa/predicates.md: New file.
2722
2723 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2724
2725         * config/v850/v850-protos.h: Remove the prototypes for
2726         reg_or_int9_operand, reg_or_const_operand,
2727         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2728         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2729         movsi_source_operand, power_of_two_operand,
2730         not_power_of_two_operand, special_symbolref_operand,
2731         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2732         register_is_ok_for_epilogue.
2733         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2734         reg_or_int9_operand, reg_or_const_operand,
2735         call_address_operand, special_symbolref_operand,
2736         movsi_source_operand, power_of_two_operand,
2737         not_power_of_two_operand, register_is_ok_for_epilogue,
2738         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2739         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2740         predicates.md.
2741         * config/v850/v850.h (PREDICATE_CODES): Remove.
2742         * config/v850/v850.md: Include predicates.md.
2743         * config/v850/predicates.md: New.
2744
2745 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2746
2747         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2748         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2749         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2750         (itoolsdir, itoolsdatadir): Move definition above new first use.
2751         (install-itoolsdirs): New rule.
2752         (install-mkheaders): Depend on install-itoolsdirs, not
2753         install-include-dir.
2754
2755 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2756
2757         * tree-into-ssa.c: Remove obsolete comments.
2758
2759 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2760
2761         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2762         unrolling if -fpeel-loops is specified, too.
2763         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2764         Remove superfluous check for flag_unroll_loops.
2765
2766 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2767
2768         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2769         (lrint_optab, llrint_optab): Define corresponding macros.
2770         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2771         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2772         pattern and llrint_optab using llrintdi2 patterns.
2773         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2774         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2775         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2776         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2777         flag_unsafe_math_optimizations is set.
2778
2779 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2780
2781         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2782         simplify_logical, if_then_else_cond, known_cond,
2783         simplify_comparison): Adjust calls to reverse_comparison.
2784         Don't use combine_reversed_comparison_code).
2785         (combine_reversed_comparison_code): Remove.
2786         (reversed_comparison): Using reversed_comparison_code, move it...
2787         * jump.c (reversed_comparison): ... here.
2788         * rtl.h (reversed_comparison): Add prototype.
2789
2790 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2791
2792         * builtins.c (fold_builtin): Take decomposed arguments of
2793         CALL_EXPR.
2794         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2795         * gimplify.c (gimplify_call_expr): Likewise.
2796         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2797         * tree.h: Update the prototype of fold_builtin.
2798
2799 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2800
2801         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2802         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2803         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2804         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2805         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2806
2807 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2808
2809         * builtins.c (fold_builtin_1): Take decomposed arguments of
2810         CALL_EXPR.
2811         (fold_builtin): Update a call to fold_builtin_1.
2812
2813 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2814
2815         PR other/20564
2816         * gcov.c (output_lines): Only output function block summary when
2817         outputting branch information.
2818         * doc/gcov.texi: Document format of preamble and additional block
2819         information lines.
2820
2821 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2822
2823         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2824         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2825         the defaults false if BITS_PER_UNIT != 8.
2826         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2827         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2828         than BITS_PER_UNIT != 8.
2829         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2830         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2831         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2832         #undefs.
2833         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2834         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2835
2836 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2837
2838         PR middle-end/20539
2839         * fold-const.c (fold_binary): Fix type mismatch between
2840         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2841         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2842         for non-truth-valued expressions.
2843
2844         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2845         and FUNCTION_DECL in the main switch.
2846         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2847         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2848         we also need to convert their operands to match.
2849         <TRUTH_NOT_EXPR>: Likewise.
2850
2851 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2852
2853         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2854         diagnostic without checking whether an lvalue.
2855         * c-common.h (lvalue_p): Remove.
2856         (enum lvalue_use): Update comment.
2857         (lvalue_or_else): Replace by lvalue_error.
2858         * c-typeck.c (lvalue_p): Make static.
2859         (lvalue_or_else): New.  Call lvalue_error.
2860
2861 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2862
2863         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2864         (function_arg_advance): Use rs6000_parm_start.
2865         (function_arg, rs6000_arg_partial_bytes): Likewise.
2866
2867 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2868
2869         * c-common.c (check_case_value): Adjust comment about stripping
2870         NOPs.
2871         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2872         * c-typeck.c (default_conversion, convert_arguments,
2873         build_modify_expr, convert_for_assignment, store_init_value,
2874         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2875         manually.  Remove inaccurate comments.
2876
2877 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2878             Joseph S. Myers  <joseph@codesourcery.com>
2879
2880         * varasm.c (do_assemble_alias): Restore comment describing function.
2881         Annotate the target parameter as potentially unused.
2882
2883 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2884
2885         PR target/18551
2886         * config/avr/avr.c (avr_output_function_prologue): Do not use
2887         current_function_name() in a label, use a local label instead.
2888
2889 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2890
2891         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2892         flag_finite_math_only, not flag_unsafe_math_optimizations.
2893
2894 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2895
2896         * builtins.c (fold_builtin_1): Update a call to
2897         targetm.fold_builtin.
2898         * hooks.c (hook_tree_tree_bool_null): Rename to
2899         hook_tree_tree_tree_bool_null.  Take one more argument of type
2900         tree.
2901         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2902         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2903         hook_tree_tree_tree_bool_null.
2904         * target.h (gcc_target): Update the prototype of fold_builtin.
2905         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2906         arguments of CALL_EXPR.
2907         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2908         new prototype.
2909
2910 2005-03-20  Jan Hubicka  <jh@suse.cz>
2911
2912         * cgraph.h (cgraph_node): Add prev_clone pointer.
2913         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2914         (cgraph_clone_node): Produce doubly linked chain.
2915
2916 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2917
2918         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2919         get_nonnull_operand, handle_sentinel_attribute,
2920         check_function_arguments_recurse): Do not strip NOPS from
2921         INTEGER_CSTs.
2922         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2923         Likewise.
2924         * c-format.c (get_constant): Likewise.
2925         * c-parser.c (c_parser_postfix_expression): Likewise.
2926         * c-typeck.c (set_init_index): Likewise.
2927         (convert_arguments): Don't check for NOP_EXPR containing integer
2928         constant.
2929
2930 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2933         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2934         Take decomposed arguments of CALL_EXPR.
2935         (fold_builtin_1): Update calls to the functions mentioned
2936         above.
2937
2938 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2939
2940         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2941         width to have integer type.
2942         (build_enumerator): Require enumerator value to have integer type.
2943
2944 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2945
2946         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2947         to __builtin_inff.
2948
2949 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2950
2951         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2952         std=iso9899:199x): Correct descriptions.
2953
2954 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2955
2956         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2957         solaris2.1[0-9].
2958
2959 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2960
2961         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2962         of CALL_EXPR.
2963         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2964         fold_builtin_memcpy.
2965
2966         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2967         arguments of CALL_EXPR.
2968         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2969         fold_builtin_found, fold_builtin_1): Update calls to
2970         fold_trunc_transparent_mathfn.
2971
2972 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2973
2974         PR middle-end/20493
2975         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2976         function pointers on targets that require function pointer
2977         canonicalization.
2978         (fold_sign_changed_comparison): Likewise.
2979
2980 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2981
2982         * combine.c (try_combine): When changing the mode of a hard reg, make
2983         sure that doing so is valid.
2984
2985 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2986
2987         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2988         (TARGET_HANDLE_OPTION): Override default.
2989         (avr_handle_option): New function.
2990         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2991         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2992         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2993         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2994         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2995         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2996         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2997         (TARGET_OPTIONS): Delete.
2998         * config/avr/avr.opt: New file.
2999
3000 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3001
3002         * config/m32r/m32r-protos.h: Remove the prototypes for
3003         call_address_operand, symbolic_operand, seth_add3_operand,
3004         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3005         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3006         two_insn_const_operand, move_src_operand,
3007         move_double_src_operand, move_dest_operand,
3008         eqne_comparison_operator, signed_comparison_operator,
3009         large_insn_p, conditional_move_operand, carry_compare_operand,
3010         m32r_block_immediate_operand, extend_operand,
3011         reg_or_eq_int16_operand, int8_operand, and
3012         reg_or_zero_operand.
3013         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3014         seth_add3_operand, int8_operand, cmp_int16_operand,
3015         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3016         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3017         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3018         move_double_src_operand, move_dest_operand,
3019         eqne_comparison_operator, signed_comparison_operator,
3020         extend_operand, small_insn_p, large_insn_p,
3021         conditional_move_operand, carry_compare_operand,
3022         m32r_block_immediate_operand): Move to predicates.md.
3023         (MAX_MOVE_BYTES): Move to m32r.h.
3024         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3025         * config/m32r/m32r.md: Include predicates.md.
3026         * config/m32r/predicates.md: New.
3027
3028 2005-03-18  James E Wilson  <wilson@specifixinc.com>
3029
3030         PR c++/19769
3031         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
3032         origin.
3033
3034 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3035
3036         * config/mn10300/mn10300-protos.h: Remove the prototypes for
3037         call_address_operand, const_8bit_operand.
3038         * config/mn10300/mn10300.c (call_address_operand,
3039         const_8bit_operand, const_1f_operand): Move to predicates.md.
3040         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
3041         * config/mn10300/mn10300.md: Include predicates.md.
3042         * config/mn10300/predicates.md: New.
3043
3044 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
3045
3046         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
3047         declarations in diagnostics and %E for identifiers, not %s.
3048
3049 2005-03-18  Jan Hubicka  <jh@suse.cz>
3050             Dale Johannesen  <dalej@apple.com>
3051
3052         * basic-block.h (scale_bbs_frequencies_int,
3053         scale_bbs_frequencies_gcov_type): Declare.
3054         * cfg.c (RDIV): New macro.
3055         (update_bb_frequency_for_threading): Fix.
3056         * basic-block.h (scale_bbs_frequencies_int,
3057         scale_bbs_frequencies_gcov_type): New.
3058         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
3059         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
3060         scale_bbs_frequencies_int.
3061         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
3062
3063 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3064
3065         * config/m32r/m32r-protos.h: Remove the prototypes for
3066         call_address_operand, symbolic_operand, seth_add3_operand,
3067         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3068         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3069         two_insn_const_operand, move_src_operand,
3070         move_double_src_operand, move_dest_operand,
3071         eqne_comparison_operator, signed_comparison_operator,
3072         large_insn_p, conditional_move_operand, carry_compare_operand,
3073         m32r_block_immediate_operand, extend_operand,
3074         reg_or_eq_int16_operand, int8_operand, and
3075         reg_or_zero_operand.
3076         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3077         seth_add3_operand, int8_operand, cmp_int16_operand,
3078         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3079         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3080         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3081         move_double_src_operand, move_dest_operand,
3082         eqne_comparison_operator, signed_comparison_operator,
3083         extend_operand, small_insn_p, large_insn_p,
3084         conditional_move_operand, carry_compare_operand,
3085         m32r_block_immediate_operand): Move to predicates.md.
3086         (MAX_MOVE_BYTES): Move to m32r.h.
3087         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3088         * config/m32r/m32r.md: Include predicates.md.
3089         * config/m32r/predicates.md: New.
3090
3091         * config/pa/pa-protos.h: Add prototypes for magic_milli and
3092         shadd_constant_p.
3093         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
3094         symbolic_operand, symbolic_memory_operand,
3095         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
3096         indexed_memory_operand, move_dest_operand, move_src_operand,
3097         prefetch_cc_operand, prefetch_nocc_operand,
3098         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
3099         arith_operand, arith11_operand, pre_cint_operand,
3100         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
3101         ireg_operand, int5_operand, uint5_operand, int11_operand,
3102         uint32_operand, arith5_operand, and_operand, ior_operand,
3103         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
3104         pc_or_label_operand, div_operand, plus_xor_ior_operator,
3105         shadd_operand, movb_comparison_operator,
3106         cmpib_comparison_operator): Move to predicates.md.
3107         (magic_milli, shadd_constant_p): Make it extern.
3108         * config/pa/pa.h (PREDICATE_CODES): Remove.
3109         * config/pa/pa.md: Include predicates.md.
3110         * config/pa/predicates.md: New.
3111
3112         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
3113         predicate.
3114
3115 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3116
3117         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
3118         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
3119         config/alpha/freebsd.h, config/alpha/linux.h,
3120         config/alpha/netbsd.h, config/alpha/osf5.h,
3121         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
3122         config/h8300/h8300-protos.h, config/h8300/h8300.c,
3123         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
3124         doc/cppopts.texi: Update copyright.
3125
3126 2005-03-18  Jan Hubicka  <jh@suse.cz>
3127
3128         PR middle-end/20225
3129         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
3130         too late.
3131         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
3132         called too late.
3133
3134 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3135
3136         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
3137         VEC_safe_push.
3138
3139 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
3140
3141         * combine.c (gen_binary): Remove.
3142         (known_cond, simplify_shift_const, find_split_point,
3143         combine_simplify_rtx, simplify_if_then_else, simplify_set,
3144         simplify_logical, expand_field_assignment, extract_left_shift,
3145         force_to_mode, if_then_else_cond, apply_distributive_law,
3146         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
3147         simplify_comparison, reversed_comparison): Replace with
3148         simplify_gen_binary, simplify_gen_relational or
3149         distribute_and_simplify_rtx.
3150         (distribute_and_simplify_rtx): New function.
3151
3152 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
3153             Paolo Bonzini  <gcc.gnu.org>
3154
3155         * calls.c (setjmp_call_p, special_function_p): Update comments
3156         at the head of the functions.
3157
3158 2005-03-18  Jan Hubicka  <jh@suse.cz>
3159
3160         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
3161
3162         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
3163         function body should be released; do not proactively release function
3164         bodies in non-unit-at-a-time mode.
3165
3166 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
3167
3168         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
3169         mno-fp-ret-in-387 multilib variants.
3170
3171 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
3172
3173         * common.opt (m): Remove.
3174         * opts.c (handle_option): Pass 'm' options to set_target_switch if
3175         table lookup fails.
3176         (common_handle_option): Remove OPT_m case.
3177
3178 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3179
3180         * builtins.c (fold_builtin_bitop): Take decomposed arguments
3181         of CALL_EXPR.
3182         (fold_builtin_1): Update a call to fold_builtin_bitop.
3183
3184         * builtins.c (fold_builtin_signbit): Take decomposed arguments
3185         of CALL_EXPR.
3186         (fold_builtin_1): Update a call to fold_builtin_signbit.
3187
3188 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
3189
3190         PR tree-optimization/20474
3191         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
3192         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
3193
3194 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3195
3196         * config/h8300/h8300-protos.h: Remove prototypes for
3197         general_operand_src, general_operand_dst, single_one_operand,
3198         single_zero_operand, call_insn_operand,
3199         two_insn_adds_subs_operand, small_call_insn_operand,
3200         jump_address_operand, bit_operand, bit_memory_operand,
3201         stack_pointer_operand, const_int_gt_2_operand,
3202         const_int_ge_8_operand, const_int_qi_operand,
3203         const_int_hi_operand, incdec_operand, bit_operator,
3204         nshift_operator, eqne_operator, gtle_operator,
3205         gtuleu_operator, iorxor_operator.
3206         Add prototypes for h8sx_shift_type h8sx_classify_shift and
3207         h8300_ldm_stm_parallel.
3208         * config/h8300/h8300.c (h8sx_shift_type,): Move to
3209         h8300-protos.h.
3210         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
3211         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
3212         (h8300_ldm_stm_parallel): Make it extern.
3213         (h8300_ldm_parallel, h8300_stm_parallel,
3214         h8300_return_parallel, general_operand_src,
3215         general_operand_dst, h8300_dst_operand, h8300_src_operand,
3216         nibble_operand, reg_or_nibble_operand, single_one_operand,
3217         single_zero_operand, call_insn_operand,
3218         two_insn_adds_subs_operand, small_call_insn_operand,
3219         jump_address_operand, bit_operand, bit_memory_operand,
3220         stack_pointer_operand, const_int_gt_2_operand,
3221         const_int_ge_8_operand, const_int_qi_operand,
3222         const_int_hi_operand, incdec_operand, eqne_operator,
3223         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
3224         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
3225         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
3226         nshift_operator): Move to predicates.md.
3227         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
3228         * config/h8300/h8300.md: Include predicates.md.
3229         * config/h8300/predicates.md: New.
3230
3231 2005-03-17  Richard Henderson  <rth@redhat.com>
3232
3233         * config.gcc (ia64*-*-hpux*): Add extra_options.
3234         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
3235         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3236         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
3237         (ia64_tls_size_string, ia64_tune_string): Remove.
3238         (ia64_tune): Init to PROCESSOR_ITANIUM2.
3239         (TARGET_DEFAULT_TARGET_FLAGS): New.
3240         (TARGET_HANDLE_OPTION): New.
3241         (ia64_override_options): Move options parsing ...
3242         (ia64_handle_option): ... here.  New.
3243         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
3244         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
3245         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
3246         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
3247         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
3248         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
3249         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
3250         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
3251         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
3252         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
3253         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
3254         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
3255         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
3256         TARGET_EARLY_STOP_BITS): Remove.
3257         (TARGET_ILP32): Default false.
3258         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
3259         (enum ia64_inline_type): New.
3260         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3261         * config/ia64/ia64.md: Update for new definitions of
3262         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
3263         * config/ia64/ia64.opt: New file.
3264         * config/ia64/ilp32.opt: New file.
3265
3266 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3267
3268         PR target/18380
3269         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
3270
3271 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3272
3273         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
3274         instead of MASK_H8300S.
3275         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
3276         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
3277         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
3278         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
3279         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
3280         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
3281         TARGET_SWITCHES): Remove.
3282         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
3283         TARGET_H8300SX.
3284         * config/h8300/h8300.opt: New.
3285
3286         * config/alpha/alpha.opt, config/arc/arc.opt,
3287         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
3288         notices.
3289
3290 2005-03-17  Ian Lance Taylor  <ian@airs.com>
3291
3292         * gmon.c: Remove.
3293
3294 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
3295
3296         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
3297         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
3298         (TARGET_HANDLE_OPTION): Override default.
3299         (arc_handle_option): New function.
3300         (arc_init): Remove code to set arch_cpu_string.
3301         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
3302         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
3303         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
3304         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
3305         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
3306         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
3307         (arc_rodata_string, TARGET_OPTIONS): Delete.
3308         * config/arc/arc.opt: New file.
3309
3310 2005-03-17  Richard Henderson  <rth@redhat.com>
3311
3312         * doc/extend.texi (Weak Pragmas): New section.
3313         (attribute alias): Clarify that target must be in the same
3314         translation unit.
3315
3316 2005-03-17  Richard Henderson  <rth@redhat.com>
3317
3318         * config/alpha/alpha.opt: New file.
3319         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
3320         of alpha_cpu.
3321         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
3322         alpha_fprm_string, alpha_fptm_string): Make static.
3323         (alpha_tls_size_string): Remove.
3324         (alpha_handle_option): New.
3325         (override_options): Update for alpha_cpu/alpha_tune split.
3326         (alpha_file_start): Likewise.
3327         (TARGET_DEFAULT_TARGET_FLAGS): New.
3328         (TARGET_HANDLE_OPTION): New.
3329         * config/alpha/alpha.h (alpha_tune): Declare.
3330         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
3331         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
3332         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
3333         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
3334         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
3335         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
3336         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
3337         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
3338         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
3339         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
3340         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
3341         (TARGET_DEFAULT): Remove MASK_FP.
3342         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
3343         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
3344         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
3345         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
3346         alpha_tls_size_string): Remove.
3347         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
3348         (attribute tune): Rename from attribute cpu.
3349         * config/alpha/ev4.md: Update to match.
3350         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
3351         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
3352         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
3353         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
3354         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
3355         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
3356
3357 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
3358
3359         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
3360         and return without creating new state if before_nops_num is nonzero.
3361         * config/ia64/ia64.md (first_insn): New attribute.
3362         (alloc): Set it to yes.
3363
3364 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3365
3366         * tree-vectorizer.c (new_vec_stmt_info): Initialize
3367         STMT_VINFO_SUBVARS to NULL.
3368         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3369
3370 2005-03-16 Dale Johannesen  <dalej@apple.com>
3371
3372         * rtlanal.c (find_first_parameter_load):  Rewrite to
3373         return actual first param load or the call if none,
3374         instead of first in block, when not all loads exist.
3375
3376 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3377
3378         * optabs.c (expand_copysign_absneg): Make static.
3379         * optabs.h (expand_copysign_absneg): Delete prototype.
3380         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3381
3382 2005-03-16  Richard Henderson  <rth@redhat.com>
3383
3384         PR middle-end/15700
3385         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3386         (alias_pairs): Rename from output_defs.
3387         (find_decl_and_mark_needed): Split out from assemble_alias.
3388         (do_assemble_alias): New.
3389         (assemble_output_def): Remove.
3390         (finish_aliases_1, finish_aliases_2): New.
3391         (process_pending_assemble_output_defs): Remove.
3392         (assemble_alias): Defer aliases for which we don't yet have a
3393         non-external decl for the target symbol.
3394         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
3395         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
3396         * toplev.c (compile_file): Use finish_aliases_2 instead of
3397         process_pending_assemble_output_defs.
3398         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
3399         (process_pending_assemble_output_defs): Remove.
3400
3401 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3402
3403         Fix PR tree-optimization/20489
3404
3405         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
3406         for empty structures.
3407
3408 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3409
3410         Fix PR tree-optimization/20490
3411
3412         * tree-ssa-pre.c (create_expression_by_pieces): Use
3413         force_gimple_operand on result of fold.
3414
3415 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
3416
3417         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
3418         of closing parenthesis.
3419
3420 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
3421
3422         * builtins.c (expand_movstr): Update a call to
3423         fold_builtin_strcpy.
3424         (expand_builtin_strncpy): Update a call to
3425         fold_builtin_strncpy.
3426         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
3427         arguments of CALL_EXPR.
3428         (fold_builtin_1): Update calls to fold_builtin_strcpy and
3429         fold_builtin_strncpy.
3430         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3431         * tree.h: Update the prototypes of fold_builtin_strcpy and
3432         fold_builtin_strncpy.
3433
3434 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3435             Dorit Naishlos  <dorit@il.ibm.com>
3436
3437         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
3438         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
3439         error.
3440
3441 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3442
3443         * tree-inline.c (walk_type_fields, walk_tree,
3444         walk_tree_without_duplicates): Move from here...
3445         * tree.c: ...to here.
3446
3447 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
3448
3449         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
3450         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
3451         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3452         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
3453         (version): Define using $(BASEVER_c).
3454         (Makefile, config.status, build/gcov-iov.o): No longer depends on
3455         version.c.
3456         (version.o): Depend on version files; add custom generation command.
3457         (prefix.o): Define BASEVER on command line.
3458         (s-iov): Depend on version files; adjust command.
3459         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
3460         Add gcc-vers.texi.
3461         (gcc-vers.texi): New rule.
3462         (doc/%.info, doc/%.dvi): Add -I . to command line.
3463         (doc/gccinstall.dvi): Likewise.
3464         (PACKAGE): Delete.  All uses replaced with "gcc".
3465         * aclocal.m4: Do not include gcc-version.m4.
3466         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
3467         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
3468         Set is_release based on contents of DEV-PHASE.
3469         Set gcc_version based on contents of BASE-VER.
3470         Define WIN32_REGISTRY_KEY only if the user overrode the default.
3471         * config.in, configure: Regenerate.
3472         * gccbug.in: Determine version of GCC in use at runtime.
3473         * gcov-iov.c: Get version number and development phase from
3474         command line, not by including version.c.
3475         * intl.c: Replace all uses of PACKAGE with "gcc".
3476         * libada-mk.in: Delete unused "gcc_version" variable.
3477         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
3478         * version.c: (VERSUFFIX): New hook for redistributors; adjust
3479         commentary to match.
3480         (version_string): Put together from pieces.
3481         * config/alpha/x-vms: Do not use $(gcc_version).
3482         * config/i386/t-nwld: Likewise.
3483         * doc/include/gcc-common.texi: Include gcc-vers.texi for
3484         version-GCC and DEVELOPMENT.
3485
3486 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3487
3488         PR tree-optimization/17454
3489         * tree.c (tree_size): Add case for TREE_BINFO.
3490         * fold-const.c (fold_checksum_tree): Only clear the overloaded
3491         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
3492
3493 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3494
3495         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
3496         op1 whilst expanding the signed widenening multiply variant.
3497
3498 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
3499
3500         * toplev.c (display_target_options): Avoid unused variable warning if
3501         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
3502         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
3503         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
3504         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
3505         (mips_isa_info): New variable.
3506         (mips_parse_cpu): Remove the first argument and leave the caller
3507         to report errors.
3508         (TARGET_HANDLE_OPTION): Override default.
3509         (mips_handle_option): New function.  Move option validation code from...
3510         (override_options): ...here.  Update calls to mips_parse_cpu.
3511         * config/mips/mips.h (mips_arch_string, mips_tune_string)
3512         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
3513         (SUBTARGET_TARGET_OPTIONS): Delete.
3514         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
3515         (mno-flush-func, mtune=): New options.
3516
3517 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3518             Richard Henderson  <rth@redhat.com>
3519
3520         * real.c (c4x_single_format, c4x_extended_format): Provide values
3521         for signbit_ro for c4x's single and extended floating point formats.
3522         * optabs.c (expand_copysign): Use the floating point format's
3523         signbit_ro for expanding via expand_copysign_absneg, and it's
3524         signbit_rw field for expanding via expand_copysign_bit.
3525
3526 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
3527
3528         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
3529         known_alignment_for_access_p.
3530         (known_alignment_for_access_p): New.
3531         (do_peeling_for_alignment): Field made int instead of bool and renamed
3532         to peeling_for_alignment.
3533         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
3534         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
3535         functionality used to be in vect_analyze_operations.
3536         (vect_analyze_operations): Code to determine vectorization factor was
3537         moved to vect_determine_vectorization_factor.
3538         (vect_enhance_data_refs_alignment): Update to correct alignment when it
3539         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
3540         factor.
3541         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
3542         be part of vect_analyze_operations).
3543         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
3544         creating the guard condition, as the number of iterations may be
3545         constant.
3546         (slpeel_tree_peel_loop_to_edge): Use new name of
3547         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
3548         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
3549         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
3550         (vect_do_peeling_for_alignment): Use fold.
3551         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
3552
3553         (vect_update_inits_of_dr): Renamed to
3554         vect_update_init_of_dr.
3555         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
3556         (vectorizable_store): Fix assertion to use == instead of =.
3557
3558 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
3559
3560         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
3561         call_used_regs for wCG registers.
3562
3563 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
3564
3565         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3566         for non-offsettable memory references to cope with outstanding reload
3567         replacements, take 2.
3568
3569 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
3570
3571         PR target/18668
3572         * config/i386/i386.h (x86_fisttp): New.
3573         (TARGET_FISTTP): New macro.
3574         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
3575         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
3576         instruction when fisttp flag is set.
3577         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
3578
3579         * config/i386/i386.md (type attribute): Add fisttp.
3580         (unit attribute): Set to i387 for fisttp type.
3581         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
3582         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
3583         TARGET_FISTTP.
3584         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
3585         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
3586         macros.
3587         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
3588         patterns for TARGET_FISTTP.  Enable patterns for
3589         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
3590         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
3591         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
3592         implement fisttp x87 insn.
3593         (fix_trunc*_i387_fisttp splitters): New patterns.
3594         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
3595         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
3596         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
3597         clobber.
3598         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
3599         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
3600         Implement using mode macros. Disable patterns for TARGET_FISTTP.
3601         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
3602         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
3603         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
3604         Disable patterns for TARGET_FISTTP.
3605         (fix_trunc*_i387 splitters): Implement usign mode macros.
3606         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
3607         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
3608         (fix_trunx*_sse peephole2s): Implement using mode macros.
3609
3610 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
3611
3612         PR rtl-optimization/20291
3613         * combine.c (try_combine): If splitting fails, re-try with
3614         original combined pattern, i.e. before clobber stripping.
3615
3616 2005-03-14  Eric Christopher  <echristo@redhat.com>
3617
3618         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
3619         STACK_GROWS_DOWNWARD.
3620
3621 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3622
3623         * real.h (struct real_format): Split the signbit field into two
3624         two fields, signbit_ro and signbit_rw.
3625         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
3626         mips_double_format, ieee_extended_motorola_format,
3627         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
3628         ieee_extended_intel_128_format, ibm_extended_format,
3629         mips_extended_format, ieee_quad_format, mips_quad_format,
3630         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
3631         i370_double_format, c4x_single_format, c4x_extended_format,
3632         real_internal_format): Update initializers for new field.
3633         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
3634         real_format structure.
3635         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
3636         field of the real_format structure.
3637
3638 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
3639
3640         Fix PR tree-optimization/20458
3641
3642         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
3643         DECL_EXTERNAL on STRUCT_FIELD tags.
3644         (clear_call_clobbered): Ditto.
3645         * tree-ssa-operands.c (note_addressable): Make sure the original
3646         variable doesn't slip into the addressable list if we have
3647         subvars.
3648         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
3649         tags too.
3650
3651 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
3652
3653         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
3654         (-fwide-exec-charset): Likewise.
3655         (-finput-charset): Likewise.
3656         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
3657         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
3658         * c.opt (Wnormalized): New.
3659
3660 2005-03-14  Devang Patel  <dpatel@apple.com>
3661
3662         * doc/invoke.texi: Add reference to Visibility document.
3663
3664 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3665
3666         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3667         MASK_SPLIT_ADDRESSES.
3668         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3669         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3670         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3671         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3672         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3673         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3674         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3675         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3676         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3677         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3678         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3679         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3680         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3681         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3682         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3683         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3684         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3685         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3686         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3687         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3688         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3689         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3690         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3691         (TARGET_EXPLICIT_RELOCS): Delete.
3692         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3693         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3694         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3695         (override_options): Set MASK_LONG64 if -mint64 is given and no
3696         -mlongXX option is.  Complain about -mint64 -mlong32.
3697         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3698         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3699         * config/mips/mips.opt: New file.
3700
3701 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3702
3703         * config.gcc (extra_options): New variable for listing option files.
3704         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3705         * configure.ac (extra_opt_files): New AC_SUBST variable.
3706         (tm_file_list, tm_include_list): Include options.h first.
3707         * configure: Regenerate.
3708         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3709         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3710         (s-options-h): New rule.
3711         (options.h): Depend on it.
3712         (TEXI_GCCINT_FILES): Add options.texi.
3713         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3714         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3715         * target.h (gcc_target): Add default_target_flags and handle_option.
3716         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3717         (TARGET_HANDLE_OPTION): New macros.
3718         (TARGET_INITIALIZER): Include them.
3719         * opt-functions.awk (opt_args, nth_arg): New functions.
3720         (switch_flags): Handle the "Target" flag.
3721         (var_args): Delete.
3722         (var_name): Use opt_args and nth_arg.
3723         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3724         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3725         macros for the "Mask" and "InverseMask" options.
3726         * opts.h (cl_var_cond): New enum.
3727         (cl_option): Replace the "has_set_value" and "set_value" fields with
3728         "var_cond" and "var_value".
3729         (CL_TARGET): New macro.
3730         (option_enabled, print_filtered_help): Declare.
3731         (decode_options): Move definition.
3732         * opts.c (handle_option): Search for the original option before
3733         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3734         var_cond and var_value fields.  Use targetm.handle_option to handle
3735         target options.
3736         (decode_options): Set target_flags to targetm.default_target_flags.
3737         (print_filtered_help): Make global.  Handle CL_TARGET.
3738         (option_enabled): New function.
3739         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3740         (display_target_options, set_target_switch, print_switch_values)
3741         (default_pch_valid_p): Guard uses of target_switches with
3742         #ifdef TARGET_SWITCHES.  Also...
3743         (display_target_options): Display the CL_TARGET entries in cl_options.
3744         (set_target_option): Don't complain about the "" option when
3745         TARGET_SWITCHES is undefined.
3746         (print_switch_values): Use option_enabled.
3747         (default_pch_valid_p): Check cl_options[] when looking for something
3748         that has changed the value of target_flags.
3749         * c.opt: Remove documentation from top of file.
3750         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3751         * doc/sourecebuild.texi: Refer to the new options documentation
3752         instead of c.opt.  Document machine-specific .opt files.
3753         * doc/tm.texi (target_flags): Say that this variable is declared
3754         by options.h.
3755         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3756         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3757         an alternative.
3758         * doc/options.texi: New file.
3759
3760 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3761
3762         PR middle-end/18628
3763         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3764         register.
3765
3766 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3767
3768         PR c++/20280
3769         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3770         temporary variable of pointer type if an lvalues is required.
3771         (gimplify_modify_expr_rhs): Request an rvalue from it.
3772         (gimplify_expr): Pass fallback on.
3773
3774 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3775
3776         * cfgbuild.c: Update comments.
3777
3778 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3779
3780         PR rtl-optimization/17236
3781         * optabs.c (expand_doubleword_mult): New helper function split out
3782         from expand_binop.  Permute the order in which instructions are
3783         emitted to minimize the number of simultaneously live registers.
3784         (expand_binop): Call expand_doubleword_mult to synthesize a double
3785         word multiplication.
3786
3787 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3788
3789         * basic-block.h: Update the prototypes of cached_make_edge and
3790         rtl_make_eh_edge.
3791         * cfg.c (cached_make_edge): Take edge_cache representing one
3792         row of the adjacency matrix of edges.
3793         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3794         (make_edges): Initialize edge_cache to represent one row of
3795         the adjacency matrix of edges.
3796
3797 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3798
3799         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3800         New functions.
3801         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3802         Remove unused removed_phis variable.
3803         (conditional_replacement): Use build1/build2.
3804         (abs_replacement): Use last_and_only_stmt and build1/build2.
3805
3806 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3807
3808         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3809         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3810         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3811         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3812         * c-common.c (handle_novops_attribute): New function.
3813         (c_common_attribute_table): Add "no vops" entry.
3814         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3815         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3816         * tree-ssa-operands.c (get_call_expr_operands): Do not
3817         create virtual operands for calls with ECF_NOVOPS flag.
3818         * tree.h (DECL_IS_NOVOPS): New macro.
3819         (struct tree_decl): Add novops_flag.
3820         (ECF_NOVOPS): New constant.
3821
3822 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3823
3824         PR target/17688
3825         * config/i386/i386.c (x86_use_himode_fiop): New.
3826         (x86_use_simode_fiop): Rename from x86_use_fiop.
3827         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3828         (TARGET_USE_HIMODE_FIOP): New.
3829         (x86_use_simode_fiop): Rename from x86_use_fiop.
3830         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3831
3832         * config/i386/i386.md (X87MODEI12): New mode macro define.
3833         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3834         to implement x87 FP compare with HImode input operands.
3835         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3836         Use X87MODEI12 mode macro to handle HImode input operands.
3837         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3838         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3839         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3840         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3841         macro to implement x87 operators with HImode input operands.
3842         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3843         input operands.
3844
3845 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3846
3847         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3848         integer_zerop.
3849         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3850         constants invariant.
3851
3852 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3853
3854         * basic-block.h (BB_VISITED): Removed.
3855         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3856
3857 2005-03-14  Falk Hueffner  <falk@debian.org>
3858
3859         PR bootstrap/20424
3860         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3861
3862 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3863
3864         * ggc-zone.c: Fix comment typos.
3865
3866         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3867         stringpool.c, config/mips/mips-protos.h: Update copyright.
3868
3869 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3870
3871         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3872         throughout with its typedef, "rtx".
3873         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3874         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3875         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3876         regs in comment to match code.
3877
3878 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3879
3880         * except.c (check_handled): Make it static.
3881         * except.h: Remove the corresponding prototype.
3882
3883         * function.c (get_func_frame_size): Make it static.
3884         * function.h: Remove the corresponding type.
3885
3886         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3887         Make them static.
3888         * hard-reg-set.h: Remove the corresponding declarations.
3889
3890         * tree-cfg.c (verify_stmts): Check that
3891         bb_for_stmt (stmt) == bb for every PHI node and statement.
3892
3893 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3894
3895         * config.gcc: Remove excess indentation.
3896         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3897
3898 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3899
3900         PR middle-end/19331
3901         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3902         * fold-const.c (fold_sign_changed_comparison): Likewise.
3903         (fold_binary): Optimize comparisons against widened operands if
3904         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3905
3906 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3907
3908         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3909         (sparc_override_options): Initialize it.
3910         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3911
3912 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3913
3914         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3915         (reg_or_none500mem_operand): New predicate.
3916         (zero_reg_mem_operand): New predicate.
3917         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3918         to reg_or_none500mem_operand.
3919         (extendsfdf2_fpr): Add MEM alternative.
3920         (extenddftf2_internal): Change operand2 predicate to
3921         zero_reg_mem_operand.
3922
3923 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3924
3925         * ggc-zone.c: Rewritten.
3926
3927         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3928         if there are none.
3929         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3930         * config.in: Regenerated.
3931         * configure: Regenerated.
3932         * gengtype.c (write_types_process_field, write_func_for_structure):
3933         Pass new argument to gt_pch_note_object.
3934         * ggc-common.c (struct ptr_data): Add TYPE.
3935         (gt_pch_note_object): Take TYPE argument and save it.
3936         (call_count): Update call to ggc_pch_count_object.
3937         (call_alloc): Update call to ggc_pch_alloc_object.
3938         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3939         file.
3940         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3941         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3942         (ggc_alloc_zone_stat): Delete.
3943         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3944         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3945         (ggc_pch_alloc_object): Update prototypes.
3946         (garbage_zone): Delete.
3947         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3948         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3949         pointers.
3950         (tree_id_zone): New variable.
3951         (ggc_alloc_cleared_zone): Remove unused.
3952         (ggc_alloc_zone): Define.
3953         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3954         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3955         ggc_alloc_zone_stat.
3956         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3957         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3958         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3959         (make_node_stat): Likewise.  Use tree_id_zone.
3960
3961 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3962             Joseph S. Myers  <joseph@codesourcery.com>
3963
3964         * configure.ac: Check for MIPS TLS.
3965         * configure: Regenerated.
3966         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3967         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3968         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3969         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3970         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3971         (mips_classify_symbol, mips_symbolic_constant_p)
3972         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3973         (mips_tls_operand_p, mips_call_tls_get_addr)
3974         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3975         (mips_tls_symbol_ref_1): New functions.
3976         (mips_legitimize_address, mips_legitimize_const_move): Call
3977         mips_legitimize_tls_address.
3978         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3979         for MIPS16.
3980         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3981         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3982         (mips_char_to_class): Document V1_REG.
3983         (HAVE_AS_TLS): Provide default.
3984         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3985         constants.
3986         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3987         !TARGET_ABICALLS.
3988         (tls_get_tp_<mode>): New instruction.
3989
3990 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3991
3992         * configure.ac: Update checks for target tools.
3993         * configure: Regenerated.
3994
3995 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3996
3997         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3998
3999 2005-03-13  Roger Sayle  <roger@eyesopen.com>
4000
4001         * expmed.c (expand_mult): Use synthetic multiplication sequences for
4002         more classes of DImode multiplication by constant.  Allow both
4003         multiplication by small negative constants (by performing a
4004         multiplication by a positive constant and negating the result) and
4005         multiplications by large powers of two, by using a left shift.
4006
4007 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
4008
4009         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
4010         of basic blocks into work_stack.
4011
4012         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
4013         config/mips/vr.h: Update copyright.
4014
4015         * c-decl.c (c_init_decl_processing): Remove useless calls to
4016         build_function_type.
4017
4018         * builtins.c (fold_trunc_transparent_mathfn,
4019         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
4020         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
4021         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
4022         fold_builtin_strcpy, fold_builtin_strncpy,
4023         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
4024         TREE_TYPE (exp).
4025
4026         * builtins.c (expand_builtin_mathfn_3): Remove local variable
4027         before_call.
4028
4029         * lambda-code.c (lambda_compute_auxillary_space): Remove local
4030         variable determinant.
4031
4032         * tree-cfg.c (group_case_labels): Remove local variable type.
4033
4034         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
4035         variable ann.
4036
4037         * tree-ssa-phiopt.c (value_replacement): Remove local variable
4038         result.
4039
4040 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4041
4042         PR target/18251
4043         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
4044         (*movmemqi_insn): Delete.
4045         (*movmemhi): Delete.
4046
4047 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
4048
4049         * builtins.c (fold_builtin_classify): Take decomposed
4050         arguments of CALL_EXPR.
4051         (fold_builtin_1): Update a call to fold_builtin_classify.
4052
4053 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
4054
4055         PR c/20402
4056         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
4057         through into call to parser_xref_tag after parse error.
4058         (c_parser_struct_declaration): Consistently return NULL_TREE on
4059         error.
4060
4061 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
4062
4063         * tree-flow-inline.h (ref_contains_array_ref): New function.
4064         (lookup_subvars_for_var): Ditto.
4065         (get_subvars_for_var): Ditto.
4066         (var_can_have_subvars): Ditto.
4067
4068         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
4069         (struct subvar): New type.
4070
4071         * tree-dfa.c (okay_component_ref_for_subvars): New function.
4072
4073         * tree-optimize.c (init_tree_optimization_passes): Call
4074         pass_create_structure_vars.
4075
4076         * tree-ssa-alias.c: Include vec.h.
4077         (init_alias_info): Don't auto-clear call clobbered on struct-field
4078         tags.
4079         (compute_flow_insensitive_aliasing): Handle subvars.
4080         (group_aliases): Handle STRUCT_FIELD aliases.
4081         (setup_pointers_and_addressables): Ditto.
4082         Don't mark variables non-addressable if they still have
4083         addressable subvars.
4084         Also mark subvars addressable when the real variable is marked
4085         addressable.
4086         (add_pointed_to_var): Try to prune the pointed-to set by only
4087         pointing to subvars when possible.
4088         Otherwise, make sure we set addresses_needed and pt_vars to
4089         properly include subvars.
4090         (bitpos_of_field): New function.
4091         (push_fields_onto_fieldstack): Ditto.
4092         (get_or_create_used_part_for): Ditto.
4093         (create_overlap_variables_for): Ditto.
4094         (find_used_portions): Ditto.
4095         (create_structure_vars): Ditto.
4096         (pass_create_structure_vars): New structure.
4097
4098         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
4099         (get_expr_operands): Handle subvars.  Also try to turn
4100         COMPONENT_REF accesses into must-defs now that we can accurately
4101         portray it.
4102         (note_addressable): Try to only mark as addressable those subvars
4103         we know a COMPONENT_REF touches.
4104         (overlap_subvar): New function.
4105
4106         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
4107         Handle subvar storing.
4108         (vect_address_analysis): Update caller of vect_object_analysis.
4109
4110         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
4111
4112         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
4113         (STMT_VINFO_SUBVARS): New macro.
4114
4115         * common.opts: add flag_tree_salias.
4116
4117         * opts.c (decode_options): flag_tree_salias defaults to on.
4118
4119         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
4120
4121         * doc/tree-ssa.texi: Document structural alias analysis.
4122
4123 2005-03-12  Steven Bosscher  <stevenb@suse.de>
4124
4125         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
4126         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
4127         * tree-ssa-operands.c (get_expr_operands): Likewise.
4128         (get_expr_operands): Likewise for ERROR_MARK.
4129
4130 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
4133         var.
4134
4135         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
4136         removed_phis.
4137
4138         * tree-ssa-pre.c (compute_avail): Remove local variable val.
4139         (mark_operand_necessary): Remove local variable ver.
4140
4141         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
4142         variable prefix_len.
4143
4144         * value-prof.c (mod_subtract_transform): Remove local variable
4145         value.
4146
4147         * builtins.c (fold_builtin_exponent): Take decomposed
4148         arguments of CALL_EXPR.
4149         (fold_builtin_1): Update a call to fold_builtin_exponent.
4150
4151         * builtins.c (fold_builtin_logarithm): Take decomposed
4152         arguments of CALL_EXPR.
4153         (fold_builtin_1): Update a call to fold_builtin_logarithm.
4154
4155         * c-decl.c (c_init_decl_processing): Remove local variables
4156         ptr_ftype_void and ptr_ftype_ptr.
4157
4158         * gimplify.c (gimplify_expr): Remove local variables r0 and
4159         r1.
4160
4161         * reg-stack.c (move_for_stack_reg): Remove local variable
4162         push_insn.
4163         (compare_for_stack_reg): Remove local variable flags_user.
4164         (convert_regs_1): Remove local variable deleted.
4165
4166         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
4167         variable new_cond.
4168         (combine_blocks): Remove local variables exits and new_e.
4169
4170         * tree-inline.c (expand_call_inline): Remove local variable
4171         decl.
4172
4173         * tree-ssa-live.c (create_ssa_var_map,
4174         calculate_live_on_entry): Remove local variable snn.
4175
4176 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
4177
4178         * c-lex.c (c_lex_with_flags): Add parameter to call to
4179         cpp_spell_token.
4180
4181 2005-03-11  Per Bothner  <per@bothner.com>
4182
4183         * c-tree.h (struct c_declarator): New id_loc field.
4184         * c-pragma.h (c_lex_with_flags): Take position reference.
4185         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
4186         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
4187         (c_lex): Pass dummy location to c_lex_with_flags.
4188         * c-parser.c (c_lex_one_token): Set c_token's location using
4189         c_lex_with_flags, instead of input_location, which might be "ahead".
4190         (c_parser_direct_declarator): Set declarator's id_loc from
4191         c_token's id_loc.
4192         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
4193         declarator's id_loc, rather than probably-imprecise input_location.
4194         (build_id_declarator): Initialize c_declarator's id_loc field.
4195
4196 2005-03-11  Roger Sayle  <roger@eyesopen.com>
4197
4198         PR middle-end/20419
4199         * builtins.c (expand_builtin_signbit): Force the signbit's word
4200         into an integer register to avoid SUBREGs of floating point modes.
4201
4202 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4203
4204         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
4205         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
4206         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
4207         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
4208
4209 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
4210
4211         PR rtl-optimization/20306
4212         * expr.c (emit_move_complex): Set try_int false if mode is
4213         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
4214         emit_block_move if try_int is true.
4215
4216 2005-03-11  Richard Henderson  <rth@redhat.com>
4217
4218         PR target/20415
4219         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
4220         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
4221         to match.
4222
4223 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4224
4225         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
4226         (TARGET_FIX_VR4130): New macro.
4227         (TARGET_OPTIONS): Add -mfix-vr4130.
4228         (ISA_HAS_MACCHI): New macro.
4229         (ASM_SPEC): Add -mfix-vr4130.
4230         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
4231         (override_options): Handle mips_fix_vr4130_string.
4232         (mips_avoid_hazards): Clear all_noreorder_p
4233         if we're working around VR4130 errata and the macc alternatives
4234         are not available.
4235         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
4236         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
4237         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
4238         (MULTILIB_DEFAULTS): Remove leading "march=".
4239         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
4240         if no architecture option is given.
4241         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
4242         VR4130 multilibs.
4243         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
4244         * doc/invoke.texi: Document -mfix-vr4130.
4245
4246 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4247
4248         * config/mips/mips.c (override_options): Only warn about -mint64
4249         deprecation if TARGET_INT64.
4250
4251 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4252
4253         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
4254         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
4255         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
4256         are non-specific regarding the nonnull parameter positions.
4257         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
4258         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
4259         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
4260         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
4261
4262         * builtins.def: Use the non-specific "nonnull" attibute lists.
4263
4264 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4265
4266         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4267         single_pred_edge, single_succ, single_pred): Improve comments.
4268
4269 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4270
4271         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4272         single_pred_edge, single_succ, single_pred): New inline functions.
4273         * bb-reorder.c (rotate_loop, find_traces_1_round,
4274         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
4275         duplicate_computed_gotos): Use the single_succ/pred functions.
4276         * cfganal.c (forwarder_block_p): Ditto.
4277         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
4278         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4279         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
4280         merge_seq_blocks): Ditto.
4281         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
4282         * cfglayout.c (fixup_reorder_chain): Ditto.
4283         * cfgloop.c (mark_single_exit_loops, update_latch_info,
4284         canonicalize_loop_headers, verify_loop_structure): Ditto.
4285         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
4286         mfb_update_loops, create_preheader, force_single_succ_latches,
4287         create_loop_notes): Ditto.
4288         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
4289         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
4290         commit_one_edge_insertion, purge_dead_edges,
4291         cfg_layout_can_merge_blocks_p): Ditto.
4292         * except.c (sjlj_emit_function_enter): Ditto.
4293         * flow.c (init_propagate_block_info): Ditto.
4294         * function.c (thread_prologue_and_epilogue_insns): Ditto.
4295         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
4296         insert_insn_end_bb): Ditto.
4297         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
4298         find_if_case_2): Ditto.
4299         * lambda-code.c (perfect_nestify): Ditto.
4300         * lcm.c (optimize_mode_switching): Ditto.
4301         * loop-doloop.c (doloop_modify): Ditto.
4302         * loop-init.c (loop_optimizer_init): Ditto.
4303         * loop-iv.c (simplify_using_initial_values): Ditto.
4304         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
4305         * loop-unswitch.c (unswitch_loop): Ditto.
4306         * modulo-sched.c (generate_prolog_epilog): Ditto.
4307         * predict.c (combine_predictions_for_insn, estimate_probability,
4308         tree_estimate_probability, last_basic_block_p,
4309         estimate_bb_frequencies): Ditto.
4310         * profile.c (branch_prob): Ditto.
4311         * regrename.c (copyprop_hardreg_forward): Ditto.
4312         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
4313         * tracer.c (layout_superblocks): Ditto.
4314         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
4315         cfg_remove_useless_stmts_bb, cleanup_control_flow,
4316         cleanup_control_expr_graph, disband_implicit_edges,
4317         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
4318         tree_verify_flow_info, tree_make_forwarder_block,
4319         tree_forwarder_block_p, remove_forwarder_block,
4320         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
4321         * tree-if-conv.c (tree_if_conversion): Ditto.
4322         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
4323         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
4324         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
4325         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
4326         copy_loop_headers): Ditto.
4327         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
4328         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
4329         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
4330         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
4331         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
4332         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
4333         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
4334         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
4335         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
4336         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
4337         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
4338         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
4339         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
4340         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
4341         slpeel_add_loop_guard): Ditto.
4342
4343 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
4344
4345         PR tree-optimization/15784
4346         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4347         and -1 - A to ~A.
4348
4349         * stmt.c (expand_case): Don't change index_type.  Convert minval
4350         to the proper type.
4351
4352         PR tree-optimization/20130
4353         * fold-const.c (fold): Fold x * -1 into -x.
4354
4355 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4356
4357         PR rtl-optimization/20331
4358         * rtlanal.c (modified_between_p): Check its address first for MEM.
4359         (modified_in_p): Likewise.
4360
4361 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
4362
4363         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
4364
4365 2005-03-10  Steven Bosscher  <stevenb@suse.de>
4366
4367         * expr.c (expand_expr_real_1): If possible, use a conditional
4368         move for expanding MIN_EXPR and MAX_EXPR.
4369         Use temp for moving around rtx-en.
4370
4371 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
4372
4373         PR rtl-opt/20412
4374         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
4375         correct mode.
4376
4377 2005-03-10  Roger Sayle  <roger@eyesopen.com>
4378
4379         * builtins.c (expand_builtin_signbit): Extend to handle floating
4380         point modes wider than the largest integer type, using the
4381         operand_subword_force function to obtain the signbit's word.
4382
4383 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4384
4385         PR target/20322
4386         * combine.c (try_combine): If recog_for_combine added CLOBBERs
4387         to NEWI2PAT, fail to combine if they are used by NEWPAT.
4388
4389 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
4390
4391         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
4392
4393 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
4394
4395         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
4396         type void.
4397         (perform_edge_inserts): Unconditionally call
4398         free_dominator_info.
4399
4400         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
4401
4402 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
4403
4404         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
4405
4406 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
4407
4408         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
4409
4410         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
4411         gcc_unreachable.
4412         (rtl_register_value_prof_hooks,
4413         tree_value_profile_transformations,
4414         tree_register_value_prof_hooks): Likewise.
4415         * var-tracking.c (stack_adjust_offset_pre_post,
4416         variable_htab_free, variable_union, dataflow_set_different_2,
4417         count_uses, variable_was_changed, set_frame_base_location,
4418         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
4419         vt_add_function_parameters): Likewise.
4420         * varasm.c (named_section_real, named_section, make_decl_rtl,
4421         asm_emit_uninitialised, assemble_integer, decode_addr_const,
4422         const_hash_1, compare_constant, copy_constant, force_const_mem,
4423         output_constant_pool_2, output_constant_pool_1, output_constant,
4424         output_constructor, make_decl_one_only, decl_tls_model,
4425         default_no_named_section, default_elf_select_section_1,
4426         default_unique_section_1): Likewise.
4427         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
4428         * vmsdbgout.c (addr_const_to_string): Likewise.
4429
4430         PR c++/20375
4431         * function.c (struct assign_parm_data_one): Remove last_named
4432         field.
4433         (assign_parm_find_data_types): Don't determine last_named.
4434         Reorder named_parm determination.
4435         (assign_parms): Only setup varargs on the last non-varadic
4436         parameter.
4437
4438 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
4439
4440         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
4441         sda base address on medium model.
4442
4443 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
4444
4445         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
4446         * cfgloop.c (flow_loop_nodes_find): Export.
4447         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
4448         Declare.
4449         * cfgloopmanip.c (fix_loop_structure): New function.
4450         * predict.c (predict_loops): Clean up the loops information.
4451         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
4452         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
4453         loop structure.
4454         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
4455         (rewrite_into_loop_closed_ssa): Declaration changed.
4456         * tree-loop-linear.c (linear_transform_loops): Add argument to
4457         rewrite_into_loop_closed_ssa call.
4458         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4459         * tree-ssa-loop-im.c (move_computations): Ditto.
4460         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4461         * tree-vectorizer.c (vectorize_loops): Ditto.
4462         * tree-optimize.c: Include cfgloop.h.
4463         (execute_todo): Choose whether to call cleanup_tree_cfg or
4464         cleanup_tree_cfg_loop.
4465         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
4466         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
4467         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
4468         cleanup_tree_cfg_loop call.
4469         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
4470         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
4471         work on part of cfg.
4472
4473 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4474
4475         PR inline-asm/20314
4476         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
4477         with multiple alternatives.
4478
4479         * stmt.c (parse_output_constraint): Fix a typo.
4480
4481 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
4482
4483         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
4484         assembly directive instead of deprecated "no-generics".
4485
4486 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
4487
4488         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4489         for non-offsettable memory references to cope with outstanding reload
4490         replacements.
4491         * config/s390/s390.md ("reload_outti"): Call find_replacement to
4492         avoid losing outstanding address reloads.
4493         ("reload_outdi", "reload_outdf"): Likewise.
4494
4495 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4496
4497         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
4498         code.  Add more cbrt transformations.
4499
4500 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4501
4502         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
4503
4504 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4505
4506         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
4507         NULL_TREE when a given tree is not simplified.
4508         (fold): Return the original tree when any of the functions
4509         mentioned above NULL_TREE.
4510
4511         * fold-const.c (fold_unary, fold_binary): Take decomposed
4512         arguments, code, type, op0, and op1 in case of fold_binary.
4513         (fold): Update calls to fold_unary and fold_binary.
4514
4515 2005-03-09  Roger Sayle  <roger@eyesopen.com>
4516
4517         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
4518         a fndecl and an arglist instead of a CALL_EXPR, exp.
4519
4520 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4521
4522         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
4523
4524         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
4525
4526         * expr.c (expand_assignment): Remove orig_to_rtx.
4527
4528         * fold-const.c (int_const_binop): Remove no_overflow.
4529
4530         * ifcvt.c (noce_emit_move_insn): Remove inmode.
4531
4532         * loop-iv.c (get_biv_step_1): Remove lhs.
4533
4534         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
4535
4536         * real.c (real_nan): Remove neg.
4537
4538         * function.c (thread_prologue_and_epilogue_insns): Remove i
4539         and newinsn.
4540
4541         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
4542         tb.
4543
4544         * tree-eh.c (tree_could_trap_p): Remove idx.
4545
4546         * tree-into-ssa.c (ann): Remove ann.
4547
4548         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
4549
4550         * tree-sra.c (decide_block_copy): Remove inst_count.
4551
4552         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
4553
4554         * tree-ssa-loop-im.c (lhs): Remove.
4555
4556         * cfgbuild.c (state, STATE, SET_STATE,
4557         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
4558         make_edges.
4559         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
4560         (find_basic_blocks): Set the state of each basic block to
4561         BLOCK_NEW.
4562
4563 2005-03-08  Jeff Law  <law@redhat.com>
4564
4565         * tree-cfg.c (cleanup_control_flow): If removal of a computed
4566         goto results in the removal of edges in the CFG, then we need
4567         to recompute dominators.
4568
4569 2005-03-09  Ben Elliston  <bje@au.ibm.com>
4570
4571         * c-common.c (c_do_switch_warnings): Comment fix.
4572
4573 2005-03-08  Julian Brown  <julian@codesourcery.com>
4574
4575         * Patch from 2005-03-08 reverted for causing regressions and
4576         ppc-darwin bootstrap failure.
4577
4578 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
4579
4580         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
4581         Define the real function for ppc-darwin.
4582         * c-typeck.c (convert_arguments): Check for target-specific
4583         invalid argument call to unprototyped function.
4584         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4585         New Macro.
4586         * target.h (invalid_arg_for_unprototyped_fn): New field
4587         in struct calls.
4588         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
4589         default target hook.
4590         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
4591         Declare.
4592
4593 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4594
4595         * c-typeck.c (constructor_stack, constructor_range_stack,
4596         initializer_stack): Make them static.
4597
4598         * cfg.c (rbi_pool): Make it static.
4599
4600         * gimple-low.c (lower_stmt_body): Make it static.
4601         * tree-flow.h: Remove the corresponding prototype.  Don't
4602         declare lower_data.
4603
4604         * sched-deps.c (cache_size): Make it static.
4605
4606         * stor-layout.c (lang_adjust_rli): Make it static.
4607
4608 2005-03-08  Julian Brown  <julian@codesourcery.com>
4609
4610         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4611         from being used for symbols with vague linkage when
4612         HAVE_GAS_COMDAT_GROUP is true.
4613
4614 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
4615
4616         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
4617         nlabel == JUMP_LABEL (jump).
4618
4619 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4620
4621         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
4622         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
4623         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
4624         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
4625
4626 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
4627
4628         PR c/14411
4629         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
4630         * c-common.c (handle_returns_twice): New function.
4631         (c_common_attribute_table): Declare eturns_twice' attribute.
4632         * doc/extend.texi: Document eturns_twice' attribute.
4633         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
4634         (struct tree_decl): Add returns_twice_flag.
4635
4636 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4637
4638         * tree-ssa-phiopt.c: Fix a comment typo.
4639
4640         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
4641         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
4642         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
4643         copyright.
4644
4645 2005-03-08  Richard Henderson  <rth@redhat.com>
4646
4647         * config/alpha/alpha.c (code_for_builtin): Replace special-case
4648         builtin codes with ctzdi2, clzdi2, popcountdi2.
4649         (struct alpha_builtin_def): Add is_const.
4650         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
4651         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
4652         (alpha_init_builtins): Init them.  Set nothrow and const attributes
4653         on builtins.
4654         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
4655         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
4656         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
4657         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
4658         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
4659         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
4660         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
4661         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
4662         (TARGET_FOLD_BUILTIN): New.
4663         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
4664         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
4665         (ffsdi2): Use ctz.
4666         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
4667
4668 2005-03-08  Ira Rosen  <irar@il.ibm.com>
4669
4670         PR tree-optimization/20122
4671         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
4672         condition of access function instead of base.
4673
4674 2005-03-07  Jeff Law  <law@redhat.com>
4675             Steven Bosscher  <stevenb@suse.de>
4676
4677         * tree-cfg.c (find_taken_edge_computed_goto): New function.
4678         (find_taken_edge): Call find_taken_edge_computed_goto as
4679         appropriate.  Allow any gimple invariant rather than just
4680         INTEGER_CST for VAL.
4681         (cleanup_control_flow): Cleanup a computed goto which has turned
4682         into a simple goto.
4683         (tree_merge_blocks): If block B has any forced labels, move
4684         them to the start of block A.
4685         * tree-ssa-dom.c (thread_across_edge): Allow threading across
4686         computed gotos as well.
4687         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
4688         removal of unnecessary computed gotos too.
4689         (lookup_redirection_data): Fix type of INSERT argument.  Callers
4690         updated.
4691
4692 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4693
4694         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
4695         Remove trailing spaces.
4696
4697         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
4698         unshare_all_trees): Make them static.
4699         * tree-gimple.h: Remove the corresponding prototypes.
4700
4701         * diagnostic.h: Remove unused prototype
4702         debug_output_buffer.
4703         * modulo-sched.c: Remove unused prototype
4704         set_row_column_for_ps.
4705
4706         * tree-ssa-phiopt.c (tree_ssa_phiopt,
4707         replace_phi_edge_with_variable): Remove unused variable i.
4708
4709 2005-03-07  Per Bothner  <per@bothner.com>
4710
4711         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
4712
4713 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
4714
4715         PR tree-opt/17671
4716         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
4717         bbs on the COND_EXPR instead of the PHI_NODEs.
4718         (candidate_bb_for_phi_optimization): Remove.
4719         (replace_phi_with_stmt): Rename to ...
4720         (replace_phi_edge_with_variable): this and change so that we
4721         replace the phi argument instead of removing the PHI.
4722         (conditional_replacement): Change so we deal with PHI with more
4723         than two arguments.
4724         (value_replacement): Likewise.
4725         (abs_replacement): Likewise.
4726
4727 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
4728
4729         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
4730         output_e500_flip_gt_bit.
4731
4732         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
4733         as bit 31.
4734         (rs6000_generate_compare): Fix logic to look at the correct bits.
4735         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4736         Look at GT bit.
4737         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4738         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4739         gen_move_from_CR_gt_bit.
4740
4741         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4742         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4743         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4744
4745         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4746         (E500_CR_IOR_COMPARE): New constant.
4747
4748 2005-03-08  Earl Chew <earl_chew@agilent.com>
4749             David Billinghurst <David.Billinghurst@riotinto.com>
4750
4751         * config/i386/host-cygwin.c: New file to support precompiled
4752         headers on cygwin
4753         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4754         * config.host: Use above files for cygwin host.
4755
4756 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4757
4758         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4759         ordering ops from earlier change.
4760
4761 2005-03-07  Per Bothner  <per@bothner.com>
4762
4763         Various fixes to allow us to again build if --enable-mapped-location:
4764         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4765         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4766         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4767         local variable loc. Change logic appropriately.
4768         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4769         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4770         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4771         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4772         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4773
4774 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4775
4776         PR rtl-optimization/19683
4777         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4778         number of bytes, to smallest_int_for_mode.  Fix arguments to
4779         REG_CANNOT_CHANGE_MODE_P.
4780
4781 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4782
4783         * reorg.c (relax_delay_slots): Check that the jump is
4784         conditional before trying to invert it.
4785
4786 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4787
4788         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4789         Make them static.
4790
4791         * calls (stack_arg_under_construction): Make it static.
4792
4793         * flow.c (regs_live_at_setjmp): Make it static.
4794         * flow.h: Remove the corresponding prototype.
4795
4796         * reload1.c (reload_startobj, reload_firstobj,
4797         something_needs_operands_changed, reload_inherited,
4798         reload_inheritance_insn, reload_override_in,
4799         reload_spill_index): Make them static.
4800
4801         * recog.c (verify_changes): Make it static.
4802         * recog.h: Remove the corresponding prototype.
4803
4804         * cfgbuild.c (find_sub_basic_blocks): Remove.
4805         * basic-block.h: Remove the corresponding prototype.
4806         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4807         in comments.
4808         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4809
4810         * tree-ssa-operands.c (check_build_stmt): Remove.
4811
4812         * stor-layout.c (set_alignment): Remove.
4813         * tree.h: Remove the corresponding prototype.
4814
4815         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4816
4817         * tree-ssa-dce.c (control_dependence_map,
4818         visited_control_parents): Make them static.
4819
4820         * cfghooks.c (verify_flow_info): Remove local variable
4821         num_bb_notes.
4822
4823         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4824         last_bb_seen.
4825
4826         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4827
4828 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4829
4830         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4831
4832 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4833
4834         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4835         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4836         PARALLEL for an empty structure.
4837
4838 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4839
4840         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4841
4842         * fold-const.c (fold_binary): Unroll the very first "for"
4843         loop.
4844
4845 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4846
4847         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4848         redundant match_code test.
4849         (scc_comparison_operator): Swap match_operand and match_code
4850         tests.
4851         (branch_positive_comparison_operator): Same.
4852         (trap_comparison_operator): Use comparison_operator and swap with
4853         match_code test.
4854
4855 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4856
4857         PR target/20288
4858         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4859         (out_movhi_r_mr): Read low byte of volatile MEM first.
4860         (out_movhi_mr_r): Write high byte of volatile MEM first.
4861
4862 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4863
4864         * cselib.c (reg_values, reg_values_size): Make them static.
4865
4866         * cse.c (cse_reg_info_table): Make it static.
4867
4868         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4869
4870 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4871
4872         * cse.c (find_best_addr): Use canon_for_address.
4873
4874 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4875
4876         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4877         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4878         SUBREG and MEM, respectively.
4879
4880         * fold-const.c (fold_binary): Use code instead of t.
4881
4882         * fold-const.c (optimize_minmax_comparison): Take decomposed
4883         arguments code, type, op0, and op1 instead of t.
4884         (fold_binary): Update a call to optimize_minmax_comparison.
4885
4886         * fold-const.c (fold_range_test): Take decomposed arguments
4887         code, type, op0, and op1 instead of t.
4888         (fold_binary): Update a call to fold_range_test.
4889
4890         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4891         decomposed arguments code, type, op0, and op1 instead of t.
4892         (fold_binary): Update a call to fold_range_test.
4893
4894 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4895
4896         * fold-const.c (fold_binary): Avoid directly using the original
4897         expression t as much as possible.
4898
4899 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4900
4901         * c-semantics.c (build_stmt): Use TYPE_P instead of
4902         IS_NON_TYPE_CODE_CLASS.
4903         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4904         (NON_TYPE_CHECK): Use TYPE_P instead of
4905         IS_NON_TYPE_CODE_CLASS.
4906
4907         * fold-const.c (fold): Remove handling of binary expressions.
4908
4909 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4910
4911         * doc/c-tree.texi: Wrap comments in @r{}.
4912         * doc/cpp.texi: Likewise.
4913         * doc/cppinternals.texi: Likewise.
4914         * doc/extend.texi: Likewise.
4915         * doc/md.texi: Likewise.
4916         * doc/objc.texi: Likewise.
4917         * doc/sourcebuild.texi: Likewise.
4918         * doc/tm.texi: Likewise.
4919         * doc/tree-ssa.texi
4920
4921 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4922
4923         * predict.c (apply_return_prediction): Standardize PHI chain
4924         walking.
4925         * tree-ssa.c (ssa_redirect_edge): Likewise.
4926
4927         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4928         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4929         Update copyright.
4930
4931         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4932         * tree-flow.h: Adjust the prototype for remove_phi_node.
4933         * lambda-code.c (perfect_nestify): Adjust a call to
4934         remove_phi_node.
4935         * tree-cfg.c
4936         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4937         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4938         Likewise.
4939         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4940         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4941         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4942         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4943
4944         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4945         of GEN_INT (trunc_int_for_mode (...)).
4946         * loop-iv.c (iv_number_of_iterations): Likewise.
4947         * postreload.c (reload_cse_move2add): Likewise.
4948         * simplify-rtx.c (simplify_const_unary_operation,
4949         simplify_const_binary_operation): Likewise.
4950         * stor-layout.c (get_mode_bounds): Likewise.
4951
4952         * fold-const.c (fold_binary): New.
4953         (fold): Call fold_binary on binary expressions.
4954
4955 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4956
4957         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4958         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4959         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4960         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4961         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4962
4963 2005-03-04  Devang Patel  <dpatel@apple.com>
4964
4965         PR tree-optimization/18815
4966         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4967         loops with zero exit edges.
4968
4969 2005-03-04  Devang Patel  <dpatel@apple.com>
4970
4971         * doc/invoke.texi: Remove reference to webpage that does not exist.
4972
4973 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4974             Joseph S. Myers  <joseph@codesourcery.com>
4975
4976         PR c++/19797
4977         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4978         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4979         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4980         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4981         maybe_get_identifier instead of get_identifier.
4982         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4983         (struct deferred_plabel): Replace name field with symbol field.
4984         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4985         ASM_OUTPUT_EXTERNAL_REAL is defined.
4986         (output_global_address): Use output_addr_const for output of all
4987         symbol_refs.
4988         (output_deferred_plabels): Use symbol_ref instead of name for address
4989         output.
4990         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4991         ASM_OUTPUT_SYMBOL_REF): New macros.
4992         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4993         comment.
4994         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4995         label.
4996
4997 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4998
4999         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
5000         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
5001
5002 2005-03-04  Jeff Law  <law@redhat.com>
5003
5004         * basic-block.h (rediscover_loops_after_threading): Declare.
5005         * tree-ssa-dom.c: Include cfgloop.h.
5006         (tree_ssa_dominator_optimize): Discover loops and some basic
5007         properties.  Remove forwarder blocks recreated by loop header
5008         canonicalization.  Also mark backedges in the CFG.
5009         * tree-ssa-threadupdate.c: Include cfgloop.h
5010         (rediscover_loops_after_threading): Define.
5011         (struct local_info): New field, JUMP_THREADED.
5012         (prune_undesirable_thread_requests): New function.
5013         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
5014         then record that fact for the callers of redirct_edges.
5015         (thread_block): If BB has incoming backedges, then call
5016         prune_undesirable_thraed_requests.    Note when we are
5017         going to have to rediscover loop information.  Return a
5018         boolean indicating if any jumps were threaded.
5019         (thread_through_all_blocks): Bubble up boolean indicating
5020         if any jumps were threaded.
5021         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
5022         (tree-ssa-threadupdate.o): Similarly.
5023
5024 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5025
5026         * fold-const.c (fold_ternary): Unroll the "for" loop to
5027         extract operands.
5028
5029 2005-03-04  Andrew Haley  <aph@redhat.com>
5030
5031         * unwind-dw2-fde-glibc.c (struct
5032         unw_eh_callback_data.check_cache): New field.
5033         (frame_hdr_cache): New.
5034         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
5035         Cache frame header info.
5036
5037 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
5038
5039         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
5040         (print_c_condition): Declare.
5041         * read-rtl.c (ptr_loc): New structure.
5042         (ptr_locs, ptr_loc_obstack, joined_conditions)
5043         (joined_conditions_obstack): New variables.
5044         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
5045         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
5046         (join_c_conditions, print_c_condition): New functions.
5047         (apply_macro_to_string): Associate the new string with the same
5048         source location as the old one.
5049         (add_condition_to_string): Use join_c_conditions.
5050         (read_string): Use set_rtx_ptr_loc to record a filename and line
5051         number for the string.
5052         (read_rtx): Initialize the new variables above.
5053         * genattrtab.c (write_test_expr, write_attr_value): Use
5054         print_c_condition.
5055         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
5056         comment above the GCC_VERSION check.
5057         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
5058         Inline the definition of MAYBE_EVAL.
5059         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
5060         * genoutput.c (process_template): Likewise.
5061         * genpreds.c (write_predicate_subfunction): Likewise.
5062         (write_predicate_expr): Use print_c_condition.
5063         * genrecog.c (write_cond): Likewise.
5064         * gensupport.c (process_rtx): Use join_c_conditions to join the
5065         conditions of a define_insn_and_split.  Record a source location
5066         for the string after the "&&".
5067         (alter_test_for_insn): Use join_c_conditions.
5068
5069 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
5070
5071         Revert for now:
5072         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5073         PR tree-optimization/15784
5074         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5075         and -1 - A to ~A.
5076
5077 2005-03-04  Ben Elliston  <bje@au.ibm.com>
5078
5079         * gcc.c (option_map): Add --coverage.
5080         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
5081         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
5082         * config/darwin.h: Pass -lgcov for `coverage'.
5083         * doc/invoke.texi (Debugging Options): Document --coverage.
5084
5085 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5086
5087         * gcse.c (bypass_block): Use find_edge wherever possible.
5088
5089 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
5090
5091         Fix PR debug/20253
5092
5093         * c-opts.c (c_common_parse_file): Call start_source_file
5094         and end_source_file at the approriate times.
5095
5096         * dwarf2out.c (dwarf2out_finish): Don't auto-end
5097         the main file, it will be done for us now.
5098
5099 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5100
5101         * fold-const.c (fold_ternary): New.
5102         (fold): Call fold_ternary on ternary expressions.  Remove
5103         handling of ternary expressions.
5104
5105 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5106
5107         PR tree-optimization/15784
5108         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5109         and -1 - A to ~A.
5110
5111 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
5112
5113         * config/rs6000/predicates.md (branch_comparison_operator):
5114         Convert from C block to conditional format.
5115
5116 2005-03-03  Jan Hubicka  <jh@suse.cz>
5117
5118         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
5119         and non-constant public variables.
5120
5121 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
5122
5123         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
5124         with LABEL_EXPR.
5125
5126         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
5127         EDGE_I.
5128
5129         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
5130         calls to release_ssa_name and release_phi_node.
5131
5132         * fold-const.c (fold): Remove handling of unary expressions.
5133
5134         * fold-const.c (fold_unary): Avoid directly using the original
5135         expression t as much as possible.
5136
5137 2005-03-03  Roger Sayle  <roger@eyesopen.com>
5138             Andrew Pinski  <pinskia@physics.uc.edu>
5139
5140         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
5141         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
5142
5143 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
5144
5145         Describe special registers SRP and MOF as allocatable registers.
5146         * config/cris/cris.c (cris_md_asm_clobbers): New function.
5147         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
5148         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
5149         TARGET_HAS_MUL_INSNS.
5150         (cris_print_operand) <case 'd'>: New case.
5151         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
5152         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
5153         define.
5154         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
5155         (REG_ALLOC_ORDER): Update for MOF.
5156         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
5157         SPECIAL_REGS.
5158         (GENERAL_REGS): No longer a define of ALL_REGS.
5159         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
5160         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5161         Adjust accordingly.
5162         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
5163         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
5164         (SECONDARY_RELOAD_CLASS): Define.
5165         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
5166         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
5167         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
5168         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
5169         (REGISTER_MOVE_COST): Define.
5170         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
5171         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
5172         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
5173         (CRIS_MOF_REGNUM): New define_constants.
5174         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
5175         special registers.
5176         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
5177         New patterns.
5178         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
5179         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
5180         Adjust for MOF being properly described as a register.
5181         (indir_to_reg_split): Name this split.  Conditionalize on the
5182         destination register being a general register.
5183         (movei): Conditionalize on on operands 0 and 1 having the same
5184         register class.
5185
5186 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
5187
5188         PR target/20277
5189         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
5190         -mcpu to override any other explicitly given flags.
5191
5192 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
5193
5194         * recog.c (verify_changes, confirm_change_group): New functions,
5195         broken out of apply_change_group.
5196         (apply_change_group): Use them.
5197         * recog.h (verify_change, confirm_change_group): Declare.
5198         * rtl.h (redirect_jump_2): Declare.
5199         * jump.c (redirect_exp, invert_exp): Delete.
5200         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
5201         (redirect_jump_2): New function, broken out of redirect_jump.
5202         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
5203         (invert_jump): Use invert_jump_1 and redirect_jump_2.
5204         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
5205
5206 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
5207
5208         * varasm.c (named_section): Use xstrdup rather than doing it by
5209         hand.
5210
5211         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
5212
5213 2005-03-02  Devang Patel  <dpatel@apple.com>
5214
5215         Undo PR tree-optimization/18815 fix.
5216
5217 2005-03-02  Devang Patel  <dpatel@apple.com>
5218
5219         PR tree-optimization/18815
5220         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
5221         loops with zero exit edges.
5222
5223 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5224
5225         * cfg.c (connect_src, connect_dest, disconnect_src,
5226         disconnct_dest): New.
5227         (unchecked_make_edge, remove_edge, redirect_edge_succ,
5228         redirect_edge_pred): Use the new functions.
5229
5230         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5231         free_dominance_info only when needed.
5232
5233 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
5234
5235         PR target/20276
5236         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
5237         (reg_or_sub_cint64_operand): Same.
5238
5239 2005-03-02  Jeff Law  <law@redhat.com>
5240
5241         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
5242         CFG_ALTERED in the main DOM iteration loop.
5243
5244 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
5245
5246         PR c++/19916
5247         * varasm.c (initializer_constant_valid_p): Allow conversions
5248         between OFFSET_TYPEs.  Tidy.
5249
5250 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
5251
5252         * config/cris/cris.md ("return"): Remove epilogue delay list
5253         sanity check.
5254
5255 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
5256
5257         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
5258         for Thumb.
5259         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
5260
5261 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5262
5263         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
5264         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
5265         config/m68k/m68k.c, config/mips/mips.h,
5266         config/rs6000/rs6000-protos.h, doc/contrib.texi,
5267         doc/include/gcc-common.texi: Update copyright.
5268
5269         PR middle-end/18029 and PR middle-end/18030
5270         * expr.c (optimize_bitfield_assignment_op): Add a special case
5271         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
5272
5273         * fold-const.c (fold_unary): New.
5274         (fold): Call fold_unary on unary expressions.
5275
5276 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
5277
5278         * cgraph.h (struct cgraph_edge): Add prev_caller and
5279         prev_callee fields.
5280         (cgraph_node_remove_callees): Export.
5281         * cgraph.c (cgraph_create_edge): Initialize prev_caller
5282         and prev_callee.
5283         (cgraph_edge_remove_callee): New function.
5284         (cgraph_edge_remove_caller): Likewise.
5285         (cgraph_remove_edge): Use.
5286         (cgraph_redirect_edge_callee): Likewise.
5287         (cgraph_node_remove_callees): New function.
5288         (cgraph_node_remove_callers): Likewise.
5289         (cgraph_remove_node): Use.
5290         * tree-optimize.c (tree_rest_of_compilation): Use
5291         cgraph_node_remove_callees instead of manual loop.
5292         * cgraphunit.c (cgraph_finalize_function): Likewise.
5293         (cgraph_expand_function): Likewise.
5294         (cgraph_remove_unreachable_nodes): Likewise.
5295
5296 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
5297
5298         PR c/8927
5299         * c-tree.h (undeclared_variable, build_external_ref): Add extra
5300         argument.
5301         * c-decl.c (undeclared_variable): Take location as argument.
5302         * c-typeck.c (build_external_ref): Likewise.
5303         * c-parser.c (c_parser_postfix_expression): Pass location of
5304         identifier to build_external_ref.
5305
5306 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5307
5308         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
5309         CCEQ mode for branch_positive_comparison_operator test.
5310         * config/rs6000/predicates (branch_comparison_operator): Revert to
5311         define_predicate.
5312         (scc_comparison_operator): Same.
5313         (branch_positive_comparison_operator): Same.
5314
5315 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
5316
5317         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
5318         (cris_delay_slots_for_epilogue): Remove.
5319         (save_last): Move into cris_target_asm_function_epilogue.
5320         (cris_target_asm_function_epilogue): Remove tests for file being
5321         NULL.
5322         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
5323         (cris_delay_slots_for_epilogue): Remove prototypes.
5324         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
5325         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
5326
5327 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5328
5329         * config/rs6000/predicates.md (branch_comparison_operator): Change
5330         to define_special_predicate.
5331         (scc_comparison_operator): Same.
5332         (branch_positive_comparison_operator): Same.
5333
5334 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
5335
5336         * Makefile.in (tree-ssa-sink.o): New.
5337         (OBJS-common): Add tree-ssa-sink.o.
5338         * common.opt: Add -ftree-sink
5339         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
5340         * timevar.def (TV_TREE_SINK): new timevar.
5341         * tree-flow.h (is_hidden_global_store): Prototype.
5342         * tree-optimize.c (init_tree_optimization_passes): Add
5343         pass_sink_code.
5344         * tree-pass.h (pass_sink_code): New.
5345         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
5346         for non-obvious global store store to is_hidden_global_store, and
5347         call that new function.
5348         * tree-ssa-sink.c: New file.
5349         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
5350         * doc/passes.texi: Document forward store motion.
5351         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
5352         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
5353         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
5354         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
5355
5356 2005-03-01  Per Bothner  <per@bothner.com>
5357
5358         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
5359         and we have a non-zero column-number, add it to the message.
5360         Also factor out the diagnostic_kind_text.
5361
5362 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5363
5364         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
5365         flow_loop_pre_header_scan, flow_loop_pre_header_find,
5366         flow_loop_scan): Removed.
5367         (flow_loop_dump): Do not dump removed fields.
5368         (flow_loop_free): Do not free removed fields.
5369         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
5370         (loop_exit_edge_p): New function.
5371         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
5372         num_pre_header_edges, entry_edges, num_entries, exit_edges,
5373         num_exits, exits_doms.
5374         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
5375         LOOP_EDGES, LOOP_ALL): Removed.
5376         (flow_loop_scan): Declaration removed.
5377         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
5378         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
5379         flow_loops_find.
5380         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
5381         (if_convert): Call flow_loops_find and flow_loops_free
5382         when calling mark_loop_exit_edges.
5383         * cfgloopanal.c (mark_loop_exit_edges): Moved from
5384         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
5385         free_dominance_info calls.
5386         * loop-init.c (flow_loops_find): Ditto.
5387         * passes.c (rest_of_handle_branch_prob): Ditto.
5388         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
5389         * loop-unroll.c (analyze_insns_in_loop): Do not use
5390         EDGE_LOOP_EXIT.
5391         * predict.c (predict_loops): Do not call flow_loop_scan.
5392         Use get_loop_exit_edges.
5393         (tree_estimate_probability): Do not pass flags to flow_loops_find.
5394         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
5395         Do not use EDGE_LOOP_EXIT.
5396         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
5397         to bb_with_exit_edge_p.
5398         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
5399         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
5400         to bb_with_exit_edge_p.
5401         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
5402         EDGE_LOOP_EXIT.
5403         * tree-loop-linear.c (linear_transform_loops): Do not call
5404         flow_loop_scan.  Use loop->single_exit.
5405         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
5406         (vect_analyze_loop_form): Do not call flow_loop_scan.
5407         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
5408         loop->single_exit.
5409         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
5410         loop->single_exit.
5411         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
5412         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5413         slpeel_tree_duplicate_loop_to_edge_cfg,
5414         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
5415         Use loop_preheader_edge and loop->single_exit.  Do not call
5416         flow_loop_scan.
5417
5418 2005-03-01  Nick Clifton  <nickc@redhat.com>
5419
5420         * config/arm/arm.c (thumb_find_work_register): Check all of the
5421         argument registers to see if they are free, and a couple of
5422         special cases where the last argument register but can be proved
5423         to be available during the function's prologue.
5424         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
5425         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
5426         thumb_unexpanded_epilogue): Use unsigned long as the type for the
5427         register bit-mask.
5428         (thumb_compute_save_reg_mask): Likewise.  Also use
5429         thumb_find_work_register() to ensure that there is agreement about
5430         which work register is going to be used in the prologue.
5431         (thumb_output_function_prologue): Use unsigned long as the type
5432         for the register bit-mask.  Also delay pushing the link register if
5433         other high registers are going to be pushed.
5434         (thumb_compute_save_reg_mask, emit_multi_reg_push,
5435         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
5436         redundant prototypes.
5437
5438 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
5439
5440         PR target/19819
5441         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
5442         and after reload in REG+REG indexed addresses without REG_POINTER
5443         set in the base and not set in the index.
5444
5445 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5446
5447         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
5448         Don't undefine here.
5449         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
5450         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
5451         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5452         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
5453         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
5454         Delete.
5455         * config.gcc (sh*-*-linux*): Use config/linux.h.
5456
5457 2005-02-28  Dale Johannesen  <dalej@apple.com>
5458             Stan Shebs  <shebs@apple.com>
5459
5460         Rewrite of 64-bit Darwin structure-by-value pass/return.
5461         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
5462         intoffset, use_stack, named.
5463         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
5464         (rs6000_darwin64_record_arg_advance_flush):  New.
5465         (rs6000_darwin64_record_arg_advance_recurse): New.
5466         (rs6000_darwin64_record_arg_flush):  New.
5467         (rs6000_darwin64_record_arg_recurse):  New.
5468         (rs6000_darwin64_record_arg):  New.
5469         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
5470         (function_arg_boundary):  Handle 128-bit aligned structs.
5471         (function_arg_advance):  Rewrite darwin64 struct handling.
5472         (function_arg):  Call rs6000_darwin64_record_arg.
5473         (function_arg_partial_nregs):  Handle darwin64 structs.
5474         (rs6000_darwin64_function_value):  Remove.
5475         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
5476
5477 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5478
5479         PR tree-optimization/20216
5480         * tree-chrec.c (tree_fold_factorial): Delete.
5481         (tree_fold_binomial): Change argument list to take a return type
5482         and change the type of K to unsigned int.  Rewrite to avoid explicit
5483         evaluation of factorials, and (recursively) calling fold to perform
5484         compile-time arithmetic.  Return NULL on (internal) overflow.
5485         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
5486         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
5487         if any intermediate calculation overflows.
5488         (chrec_apply): Update call to chrec_evaluate.
5489
5490 2005-02-28  James E Wilson  <wilson@specifixinc.com>
5491
5492         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
5493
5494 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
5495
5496         PR c/20245
5497         * c-parser.c (c_parser_compound_statement): Return error_mark_node
5498         instead of NULL_TREE on error.
5499
5500 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
5501
5502         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
5503         (EASY_VECTOR_15_ADD_SELF): Remove.
5504         (num_insns_constant_wide): Not static.
5505         (validate_condition_mode): Not static.
5506         (toc_relative_expr_p): Not static.
5507         (legitimate_indirect_address_p): Not static.
5508         (macho_lo_sum_memory_operand): Not static.
5509         (invalid_e500_subreg): Not static.
5510         (easy_vector_same): Not static.
5511         (easy_vector_splat_const): Not static.
5512         (RS6000_SYMBOL_REF_TLS_P): Remove.
5513         (any_operand): Delete.
5514         (any_parallel_operand): Delete.
5515         (count_register_operand): Delete.
5516         (altivec_register_operand): Delete.
5517         (xer_operand): Delete.
5518         (s8bit_cint_operand): Delete.
5519         (short_cint_operand): Delete.
5520         (u_short_cint_operand): Delete.
5521         (non_short_cint_operand): Delete.
5522         (exact_log2_cint_operand): Delete.
5523         (gpc_reg_operand): Delete.
5524         (cc_reg_operand): Delete.
5525         (cc_reg_not_cr0_operand): Delete.
5526         (reg_or_short_operand): Delete.
5527         (reg_or_neg_short_operand): Delete.
5528         (reg_or_aligned_short_operand): Delete.
5529         (reg_or_u_short_operand): Delete.
5530         (reg_or_cint_operand): Delete.
5531         (reg_or_arith_cint_operand): Delete.
5532         (reg_or_add_cint64_operand): Delete.
5533         (reg_or_sub_cint64_operand): Delete.
5534         (reg_or_logical_cint_operand): Delete.
5535         (got_operand): Delete.
5536         (got_no_const_operand): Delete.
5537         (easy_fp_constant): Delete.
5538         (easy_vector_constant): Delete.
5539         (easy_vector_constant_add_self): Delete.
5540         (zero_constant): Delete.
5541         (zero_fp_constant): Delete.
5542         (volatile_mem_operand): Delete.
5543         (offsettable_mem_operand): Delete.
5544         (mem_or_easy_const_operand): Delete.
5545         (add_operand): Delete.
5546         (non_add_cint_operand): Delete.
5547         (logical_operand): Delete.
5548         (non_logical_cint_operand): Delete.
5549         (mask_operand): Delete.
5550         (mask_operand_wrap): Delete.
5551         (mask64_operand): Delete.
5552         (mask64_2_operand): Delete.
5553         (and64_operand): Delete.
5554         (and64_2_operand): Delete.
5555         (and_operand): Delete.
5556         (reg_or_mem_operand): Delete.
5557         (lwa_operand): Delete.
5558         (symbol_ref_operand): Delete.
5559         (call_operand): Delete.
5560         (current_file_function_operand): Delete.
5561         (input_operand): Delete.
5562         (rs6000_nonimmediate_operand): Delete.
5563         (rs6000_tls_symbol_ref): Delete.
5564         (save_world_operation): Delete.
5565         (restore_world_operation): Delete.
5566         (load_multiple_operation): Delete.
5567         (store_multiple_operation): Delete.
5568         (vrsave_operation): Delete.
5569         (mfcr_operation): Delete.
5570         (mtcrf_operation): Delete.
5571         (lmw_operation): Delete.
5572         (stmw_operation): Delete.
5573         (branch_comparison_operator): Delete.
5574         (branch_positive_comparison_operator): Delete.
5575         (scc_comparison_operator): Delete.
5576         (trap_comparison_operator): Delete.
5577         (boolean_operator): Delete.
5578         (boolean_or_operator): Delete.
5579         (min_max_operator): Delete.
5580         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
5581         (EASY_VECTOR_15): Moved to here.
5582         (EASY_VECTOR_15_ADD_SELF): Move to here.
5583         (PREDICATE_CODES): Delete.
5584         * config/rs6000/rs6000-protos.h: Delete predicate functions.
5585         Declare functions no longer static.
5586         * config/rs6000/predicates.md: New.
5587         * config/rs6000/rs6000.md: Include predicates.md
5588
5589 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
5590
5591         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
5592         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
5593         REG_ALWAYS_RETURN.
5594         * cfgrtl.c (need_fake_edge_p): Likewise.
5595         * combine.c (distribute_notes): Likewise.
5596         * emit-rtl.c (try_split): Likewise.
5597         * recog.c (peephole2_opimize): Likewise.
5598         * reg-notes.def (ALWAYS_RETURN): Remove.
5599         * rtl.h (LCT_ALWAYS_RETURN): Remove.
5600         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
5601         * tree.h (ECF_ALWAYS_RETURN): Remove.
5602
5603 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5604
5605         PR middle-end/19874
5606         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
5607         between different machine modes is never a "useless" conversion.
5608
5609 2005-02-28  Geert Bosch  <bosch@gnat.com>
5610
5611         PR ada/15977
5612         * doc/contrib.texi: List contributors for Ada front end
5613
5614 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
5615
5616         * simplify-rtx.c (simplify_unary_operation_1,
5617         simplify_const_unary_operation): New, extracted from...
5618         (simplify_unary_operation): ... this one.
5619         (simplify_binary_operation_1,
5620         simplify_const_binary_operation): New, extracted from...
5621         (simplify_binary_operation): ... this one.
5622         * rtl.h (simplify_const_unary_operation,
5623         simplify_const_binary_operation): Add prototypes.
5624
5625 2005-02-28  Julian Brown  <julian@codesourcery.com>
5626
5627         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
5628         building libjava and caused PR regression/20228.
5629
5630 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
5631
5632         PR bootstrap/17383
5633         * Makefile.in (host_subdir): New.
5634         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
5635         * configure: Regenerate.
5636
5637 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
5638
5639         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
5640         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
5641         installation directory first.
5642
5643 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
5644
5645         PR target/19065.
5646         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
5647         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
5648         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
5649         * config/cris/cris.md: Tweak comments referring to Q.
5650         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
5651         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
5652         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
5653         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
5654         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
5655         Insert spaces in constraints to align alternatives vertically for
5656         readability.
5657         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
5658         operand 1: "M".
5659
5660 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5661
5662         PR rtl-optimization/17728
5663         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
5664         operand 0 from general_operand to move_dest_operand.
5665
5666 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5667
5668         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
5669         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5670         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
5671         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
5672
5673 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
5674
5675         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
5676         * configure: Regenerate.
5677         * libada-mk.in: Remove CC; rename
5678         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
5679
5680 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
5681
5682         PR tree-opt/20188
5683         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
5684         for the lhs, also walk over the tree.  Likewise for rhs.
5685
5686 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
5687
5688         * tree-ssa-dom.c (simple_iv_increment_p): New function.
5689         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
5690         Do not propagate value of iv before increment over the increment.
5691
5692 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
5693
5694         * c-parser.c: New file.
5695         * c-parse.in: Remove.
5696         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
5697         Remove.
5698         (c-parser.o): Add dependencies.
5699         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
5700         maintainer-clean, TAGS): Update.
5701         * c-config-lang.in (gtfiles): Update.
5702         * gengtype-lex.l: Don't handle "@@".
5703         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
5704         objc_build_synchronized, objc_begin_try_stmt,
5705         objc_begin_catch_clause, objc_finish_catch_clause,
5706         objc_build_finally_clause, objc_finish_try_stmt): New.
5707         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
5708         type_seen_p.
5709         (c_parse_init): Update comment.
5710         * c-decl.c (c_init_decl_processing): Update comment.
5711         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
5712         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
5713         new c_declspecs members.
5714
5715 2005-02-25  Julian Brown  <julian@codesourcery.com>
5716
5717         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5718         from being used for symbols with vague linkage when
5719         HAVE_GAS_COMDAT_GROUP is true.
5720
5721 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5722
5723         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
5724
5725 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
5726
5727         PR target/19930
5728         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
5729         (LIBGCC2_HAS_DF_MODE): New.
5730         (LIBGCC2_HAS_XF_MODE): New.
5731         (LIBGCC2_HAS_TF_MODE): New.
5732         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5733         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5734         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5735         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5736         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5737         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5738         and add _fixtfdi, _fixunstfdi, _floatditf
5739         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5740         L_fixunstfdi, L_floatditf.
5741         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5742         (LIBGCC2_HAS_TF_MODE): Define.
5743
5744 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5745
5746         PR tree-optimization/20204
5747         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5748         REWRITE_THIS_STMT markers on PHI nodes.
5749         (rewrite_initialize_block): Likewise.
5750
5751 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5752
5753         * version.c (version_string): Update to 4.1.
5754
5755 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5756
5757         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5758         Clarify that the alternative way doesn't work in GNU C++.
5759
5760 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5761
5762         PR tree-optimization/19937
5763         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5764         to the type of the induction variable.
5765
5766 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5767
5768         PR rtl-optimization/20117
5769         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5770         the block including noncopyable insn.
5771
5772 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5773
5774         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5775         calls to find_reg_note.
5776
5777 2005-02-24  Richard Henderson  <rth@redhat.com>
5778
5779         PR tree-opt/20127
5780         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5781         the type.
5782
5783 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5784
5785         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5786         vector types if to use base reg for misaligned non-word ld/std.
5787
5788 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5789
5790         PR target/14619
5791         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5792         dwarf2 label manually and put it after, not before the prologue.
5793
5794 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5795
5796         PR target/19019
5797         * reload.c (operands_match_p): Only increment register number for
5798         SCALAR_INT_MODE_P modes in multiple hard registers.
5799
5800         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5801         Fix formatting.
5802
5803 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5804
5805         * ChangeLog.5: Fix log message typo(s).
5806         * ChangeLog.7: Likewise.
5807         * ChangeLog.tree-ssa: Likewise.
5808         * cfgexpand.c: Fix comment typo(s).
5809         * conflict.c: Likewise.
5810         * defaults.h: Likewise.
5811         * dwarf2out.c: Likewise.
5812         * gcse.c: Likewise.
5813         * ggc-page.c: Likewise.
5814         * tree-eh.c: Likewise.
5815         * tree-ssa-dom.c: Likewise.
5816
5817 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5818
5819         PR target/19019
5820         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5821         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5822         if SHARED is defined.
5823
5824         PR target/20196
5825         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5826         allow splitting only if operands 0 and 3 don't overlap.
5827
5828 2005-02-24  Richard Henderson  <rth@redhat.com>
5829
5830         PR middle-end/19953
5831         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5832         (fold_builtin_1): Call them.
5833         * fold-const.c (fold_complex_mult_parts): Split out from ...
5834         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5835         (fold_complex_div_parts, fold_complex_div): New.
5836         (fold): Use them.
5837         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5838
5839 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5840
5841         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5842         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5843
5844         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5845         (print_node): Likewise.
5846         Print TYPE_SIZES_GIMPLIFIED.
5847
5848 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5849
5850         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5851         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5852         operands as commutative in constraints.
5853
5854 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5855
5856         * tree-into-ssa.c: Re-organize internal functions.
5857
5858 2005-02-24  Richard Henderson  <rth@redhat.com>
5859
5860         PR middle-end/18902
5861         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5862         for c99.
5863         * common.opt (fcx-limited-range): New.
5864         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5865         * toplev.c (flag_complex_method): Initialize to 1.
5866         (process_options): Set flag_complex_method to 0 if
5867         flag_cx_limited_range.
5868         * doc/invoke.texi (-fcx-limited-range): New.
5869
5870 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5871
5872         * cse.c (delete_trivially_dead_insns): Speed up by using
5873         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5874         prev_real_insn.
5875
5876 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5877
5878         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5879         functions when -mid-shared-library is being used.
5880
5881 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5882
5883         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5884         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5885         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5886         * system.h: Poison LINK_LIBGCC_SPECIAL.
5887
5888 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5889
5890         * gengtype.c (note_insn_name): Make 1 element larger.
5891
5892 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5893
5894         PR target/20018
5895         PR rtl-optimization/20097
5896         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5897         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5898
5899 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5900
5901         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5902         * t-aix52 (SHLIB_INSTALL): Same.
5903
5904 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5905
5906         * genpreds.c: Update copyright.
5907
5908 2005-02-23  Michael Beach  <michaelb@ieee.org>
5909
5910         PR target/20159
5911         * config/sparc/t-elf (startup files): Assemble with CPP.
5912
5913 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5914
5915         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5916         (write_predicate_expr): Likewise.
5917
5918 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5919
5920         PR tree-optimization/20100
5921         PR tree-optimization/20115
5922         * tree-optimize.c (init_tree_optimization_passes): Remove
5923         pass_maybe_create_global_var.
5924         * tree-pass.h (pass_maybe_create_global_var): Remove.
5925         * tree-ssa-alias.c (aliases_computed_p): Declare.
5926         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5927         (count_calls_and_maybe_create_global_var): Remove.
5928         (pass_maybe_create_global_var): Remove.
5929         (init_alias_info): Do not declare aliases_computed_p.
5930         (maybe_create_global_var): If the function contains no
5931         call-clobbered variables and a mix of pure/const and regular
5932         function calls, create .GLOBAL_VAR.
5933         Mark all call-clobbered variables for renaming.
5934         (merge_pointed_to_info): Update comment.
5935         (add_pointed_to_var): Likewise.
5936         (is_escape_site): Likewise.
5937         Accept struct alias_info * instead of size_t *.
5938         Update all users.
5939         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5940         as necessary.
5941         * tree-ssa-operands.c (get_call_expr_operands): If
5942         ALIASES_COMPUTED_P is false, do not add call-clobbering
5943         operands.
5944         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5945         (delete_tree_ssa): Likewise.
5946
5947 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5948
5949         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5950         (do_compile): Do call it here.
5951
5952 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5953
5954         PR rtl-optimization/20017.
5955         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5956         rest_of_handle_cse2, rest_of_handle_gcse): Call
5957         delete_dead_jumptables immediately before calling cleanup_cfg.
5958
5959 2005-02-22  Devang Patel  <dpatel@apple.com>
5960
5961         PR 19952
5962         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5963         all labels
5964
5965 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5966
5967         * config/rs6000/aix.h (WINT_TYPE): Define.
5968
5969 2005-02-22  Stan Shebs  <shebs@apple.com>
5970
5971         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5972         natural alignment for 64-bit Darwin.
5973         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5974         on 64-bit Darwin.
5975         * doc/invoke.texi: Document this.
5976
5977 2005-02-22  DJ Delorie  <dj@redhat.com>
5978
5979         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5980         to make_[un]signed_type, not the mode itself.
5981
5982 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5983
5984         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5985         not available.  Use tail calls wherever possible.
5986         (make_edge): Call unchecked_make_edge to create an edge.
5987
5988         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5989         (coalesce_ssa_name): Don't check for
5990         SSANORM_USE_COALESCE_LIST.
5991         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5992
5993 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5994
5995         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5996         (rewrite_into_ssa): ... here.
5997
5998 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5999
6000         PR tree-optimization/19786
6001         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
6002         tag to another's may-alias bitmap when adding to the other's list.
6003
6004 2005-02-21  DJ Delorie  <dj@redhat.com>
6005
6006         * tree-ssa-loop-ivopts.c (computation_cost): Start register
6007         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
6008         registers in unsupported ways.
6009         * expmed.c (init_expmed): Likewise.
6010
6011 2005-02-21  Stan Cox  <scox@redhat.com>
6012
6013         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
6014
6015 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
6016
6017         * tree-cfg.c (fold_cond_expr_cond): New.
6018         (make_edges): Call fold_cond_expr_cond.
6019         (find_taken_edge): Accept nothing but INTEGER_CST.
6020         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
6021         and 1.
6022         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
6023
6024         * flow.c (delete_dead_jumptables): Speed up by scanning insns
6025         that do not belong to any basic block.
6026
6027 2005-02-21  Jeff Law  <law@redhat.com>
6028
6029         * cfganal.c (find_unreachable_blocks): Manually CSE load of
6030         e->dest.
6031
6032 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
6033
6034         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
6035         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
6036         Adjust their definitions.
6037         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
6038         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
6039
6040         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
6041         genautomata.c, langhooks.c, langhooks.h, system.h,
6042         config/arm/lib1funcs.asm: Update copyright.
6043
6044 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6045
6046         * dbxout.c (dbxout_function_end): Emit Lscope label always.
6047
6048 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
6049
6050         PR bootstrap/13770
6051         * doc/install.texi: Document --with-gc.
6052
6053 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
6054
6055         * simplify-rtx.c (simplify_unary_operation): Add a missing
6056         "break" statement.
6057
6058 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6059
6060         PR tree-optimization/18663
6061         * tree-ssa-dom.c (extract_range_from_cond): Return 0
6062         if the type has variable bounds.
6063
6064 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
6065
6066         * gcse.c: Remove an obsolete comment.
6067
6068         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
6069
6070 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
6071
6072         * doc/extend.texi (Function Attributes) <Attribute const>: The
6073         attribute "pure" is below this text, not above.
6074
6075 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6076
6077         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
6078         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
6079         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
6080
6081 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
6082
6083         PR 18785
6084         * langhooks.h (struct lang_hooks): Add to_target_charset.
6085         * langhooks.c (lhd_to_target_charset): New function.
6086         * langhooks-def.h: Declare lhd_to_target_charset.
6087         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
6088         (LANG_HOOKS_INITIALIZER): Update.
6089         * c-common.c (c_common_to_target_charset): New function.
6090         * c-common.h: Declare it.
6091         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
6092         c_common_to_target_charset.
6093
6094         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
6095         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
6096         Delete definitions.
6097         * system.h: Poison them.
6098         * doc/tm.texi: Don't discuss them.
6099         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
6100         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
6101         (pp_c_char): Do not attempt to generate letter escapes for
6102         newline, tab, etc.
6103         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
6104         * config/mips/mips.c (mips_output_ascii): Likewise.
6105
6106 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
6107
6108         PR tree-optimization/19951
6109         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
6110         is abnormal.
6111
6112 2005-02-19  Steven Bosscher  <stevenb@suse.de>
6113
6114         PR middle-end/19698
6115         * function.h (struct function): New field `max_loop_depth'.
6116         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
6117         (flow_loops_find): Reset the max loop depth count before finding loops.
6118         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
6119         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
6120         (calculate_global_regs_live): Make sure the loop will terminate
6121         when the initial sets are not empty.
6122
6123 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
6124
6125         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
6126         object inside.
6127         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
6128
6129 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
6130
6131         PR other/19525
6132         * doc/invoke.texi: Remove documentation of %M spec.
6133         * gcc.c: Likewise.
6134         (init_spec): Remove %M suffix from -lgcc_s.
6135         (do_spec_1): Remove 'M' case.
6136         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
6137         to put shared libraries in the multilib directory.  Remove the
6138         shlib_so_soname substitution variable.  Don't add a multilib encoding
6139         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
6140         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
6141         SHLIB_INSTALL as well as SHLIB_LINK.
6142         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
6143         (SHLIB_NAME): Delete.
6144         (SHLIB_DIR): New macro.
6145         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
6146         (SHLIB_INSTALL): Adjust accordingly.
6147         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
6148         * config/t-slibgcc-sld: Likewise.
6149         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
6150         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
6151         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
6152         in $(SHLIB_DIR).
6153         (SHLIBUNWIND_INSTALL): Adjust accordingly.
6154         * config/i386/t-nwld (SHLIB_SONAME): Delete.
6155         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
6156         Use @shlib_base_name@ instead of @shlib_so_name@.
6157         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
6158         and @shlib_base_name@.so in @multilib_dir@.
6159         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
6160         to the install path.
6161         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
6162         (SHLIB_LINK): Remove previous workaround.
6163         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
6164         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
6165         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
6166         the install path.
6167         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
6168         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
6169         (SHLIB_INSTALL): Adjust accordingly.
6170         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
6171         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
6172         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
6173         config/t-slibgcc-elf-ver.
6174
6175 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
6176             Jakub Jelinek  <jakub@redhat.com>
6177
6178         PR tree-optimization/19828
6179         * tree-ssa-loop-im.c: Add a TODO comment.
6180         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
6181         without side-effects.
6182
6183 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6184
6185         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
6186         call fold_convert.
6187
6188 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
6189
6190         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
6191         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
6192         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
6193         functions.
6194         (ia64_reorg): Delete fixup_errata call.
6195         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
6196         (TARGET_SWITCHES): Delete -mb-step entry.
6197
6198 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
6199
6200         PR c/20043
6201         * c-typeck.c (composite_type): Handle quals in transparent unions.
6202         (type_lists_compatible_p): Likewise.
6203
6204 2005-02-18  Stan Shebs  <shebs@apple.com>
6205
6206         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
6207         expressions in the .literal8 section.
6208
6209 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
6210
6211         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
6212
6213 2005-02-18  Roger Sayle  <roger@eyesopen.com>
6214
6215         * fold-const.c (constant_boolean_node): Always create values of the
6216         specified type, don't bother calling truthvalue_conversion.
6217
6218 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6219
6220         * except.c (output_function_exception_table): Call
6221         assemble_external_libcall (eh_personality_libfunc).
6222
6223 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6224
6225         PR target/19886
6226         * config/ia64/ia64.h (struct machine_function): Add state_num.
6227         * config/ia64/ia64.c (process_epilogue,
6228         process_for_unwind_directive): Use new unwind state numbers each
6229         time rather than state 1.
6230
6231 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
6232
6233         PR target/20054
6234         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
6235         before the "*llgt_didi" pattern.
6236
6237 2005-02-18  Jason Merrill  <jason@redhat.com>
6238
6239         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
6240
6241 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
6242
6243         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
6244         (div0): Use it in place of ARM_FUNC_ALIAS.
6245         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
6246
6247 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
6248
6249         PR middle-end/20030
6250         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
6251         access, the lower bound of the array type if it exists.
6252
6253 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
6254
6255         PR c++/20008
6256         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
6257         cases that are out-of-range for the index type.
6258
6259 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6260
6261         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
6262         (estimate_case_costs): Don't call convert.
6263         * expmed.c (expand_shift): Likewise.
6264         (make_tree): Call fold_convert instead of convert.
6265
6266 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6267
6268         PR c++/19813
6269         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
6270         that ref to be marked MEM_READONLY_P doesn't have base that needs
6271         constructing.
6272
6273 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6274
6275         * genautomata.c (output_get_cpu_unit_code_func,
6276         output_cpu_unit_reservation_p): Don't generate old-style function
6277         definitions.
6278
6279 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6280
6281         PR c++/20023
6282         PR tree-optimization/20009
6283         * convert.c (convert_to_integer): Revert 2005-02-16 change.
6284
6285         PR tree-optimization/18947
6286         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
6287         inline, remove all nodes that are inlined into the extern inline
6288         being redefined.
6289
6290 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6291
6292         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
6293         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
6294         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
6295         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
6296         Update copyright.
6297
6298 2005-02-17  Roger Sayle  <roger@eyesopen.com>
6299
6300         PR tree-optimization/19917
6301         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
6302         to be potentially trapping.
6303
6304 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6305
6306         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
6307
6308 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6309
6310         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
6311         tem becomes a local variable which is set to the value of the
6312         back end defined INITIAL_FRAME_ADDRESS macro.
6313         (expand_builtin_frame_address): Omit the base parameter to
6314         expand_builtin_return_addr.
6315         (expand_builtin_profile_func): Likewise.
6316         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
6317         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
6318         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
6319
6320 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
6321
6322         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
6323         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
6324         * config/frv/frv.c (frv_function_epilogue): Likewise.
6325
6326 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
6327
6328         * lambda-code (perfect_nestify): Remove mark/unmark
6329         for rewriting hack.
6330         * tree-loop-linear.c (linear_transform_loops): Add
6331         rewrite_into_ssa call so that ssa is correct for
6332         rewriting into loop closed.
6333
6334 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
6335
6336         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
6337         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
6338         BITMAP_FREE.
6339         * bt-load.c (btr_def_live_range, combine_btr_defs,
6340         migrate_btr_def, migrate_btr_defs): Likewise.
6341         * cfgcleanup.c (thread_jump): Likewise.
6342         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
6343         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
6344         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
6345         df_rd_local_compute, df_reg_info_compute): Likewise.
6346         * dominance.c (init_dom_info, free_dom_info): Likewise.
6347         * flow.c (init_propagate_block_info,
6348         free_propagate_block_info): Likewise.
6349         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
6350         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
6351         modify_reg_pav): Likewise.
6352         * loop-invariant.c (find_defs, find_invariant_insn,
6353         find_invariants, free_inv_motion_data): Likewise.
6354         * predict.c (tree_predict_by_opcode,
6355         estimate_bb_frequencies): Likewise.
6356         * stmt.c (expand_case): Likewise.
6357         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
6358         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
6359         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
6360         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
6361         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
6362         rewrite_ssa_into_ssa): Likewise.
6363         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6364         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
6365         analyze_edges_for_bb, perform_edge_inserts): Likewise.
6366         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
6367         * tree-sra.c (tree_sra): Likewise.
6368         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
6369         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6370         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
6371         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
6372         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
6373         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
6374         Likewise.
6375         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
6376         calculate_live_on_entry, calculate_live_on_exit,
6377         build_tree_conflict_graph): Likewise.
6378         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
6379         record_important_candidates, set_use_iv_cost, find_depends,
6380         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
6381         tree_ssa_iv_optimize_finalize): Likewise.
6382         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
6383         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
6384         tree_duplicate_loop_to_header_edge): Likewise.
6385         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
6386         * tree-ssa.c (verify_flow_insensitive_alias_info,
6387         verify_name_tags, verify_ssa, init_tree_ssa,
6388         delete_tree_ssa): Likewise.
6389         * tree-ssanames.c (marked_ssa_names, init_ssanames,
6390         fini_ssanames): Likewise.
6391         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
6392
6393 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
6394
6395         * config/rs6000/t-rtems: Completely reworked.
6396
6397 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6398
6399         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
6400
6401 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6402
6403         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
6404         POINTER_TYPE_P when checking that type is a pointer.
6405         (vect_get_memtag): Remove.
6406         (vect_address_analysis): Use POINTER_TYPE_P. Call
6407         vect_object_analysis with dummy parameter for memtag.
6408         (vect_object_analysis): Extract memtag (functionality that
6409         used to be in vect_get_memtag and moved here). Fix printings.
6410         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
6411         with correct parameters. Remove call to vect_get_memtag.
6412
6413 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
6414
6415         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
6416         (tree-vectorizer.o): Added missing dependencies.
6417
6418         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
6419         decleration.
6420         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
6421         declaration in tree-vectorizer.c, now has an extern declaration in
6422         tree-vectorizer.h).
6423         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6424         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6425         get_vectype_for_scalar_type, vect_is_simple_use,
6426         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6427         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
6428         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
6429         vectorizable_store, vectorizable_operation, vectorizable_assignment,
6430         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
6431         find_loop_location): Likewise.
6432
6433         * tree-vectorizer.c (langhooks.h): #include removed.
6434         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
6435         moved to tree-vectorized.h.
6436         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6437         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6438         get_vectype_for_scalar_type, vect_is_simple_use,
6439         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6440         vect_supportable_dr_alignment, new_loop_vec_info,
6441         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
6442         vect_set_verbosity_level, find_loop_location): Likewise.
6443
6444         (vect_analyze_loop): Function externalized. Declaration moved to
6445         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
6446         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
6447         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
6448         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
6449         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
6450         vect_enhance_data_refs_alignment, vect_analyze_operations,
6451         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
6452         vect_stmt_relevant_p, vect_get_loop_niters,
6453         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
6454         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
6455         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
6456         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
6457         vect_get_memtag): Likewise.
6458
6459         (vectorizable_load): Function externalized. Declaration moved to
6460         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
6461         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
6462         vect_transform_loop): Likewise.
6463         (vect_transform_stmt): Moved to tree-vect-transform.c.
6464         (vect_align_data_ref, vect_create_destination_var,
6465         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
6466         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
6467         vect_get_vec_def_for_operand, vect_init_vector,
6468         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
6469         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
6470         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
6471         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
6472         vect_do_peeling_for_loop_bound): Likewise.
6473
6474         * tree-vect-analyze.c: New file.
6475         * tree-vect-transform.c: New file.
6476
6477 2005-02-17  Jason Merrill  <jason@redhat.com>
6478
6479         PR mudflap/19319, c++/19317
6480         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
6481         slot explicit.
6482
6483 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
6484
6485         * doc/install.texi (Specific): Update link for Darwin-specific
6486         tool binary site.
6487
6488 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
6489
6490         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
6491         constant_boolean_node.
6492
6493 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
6494
6495         PR target/19019
6496         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
6497         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
6498
6499 2005-02-16  Richard Henderson  <rth@redhat.com>
6500
6501         PR 19920
6502         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
6503         with W_TYPE_SIZE.
6504         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
6505         replace uses with Wtype_MAXp1_F.
6506         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
6507         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
6508         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
6509         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
6510         and HAVE_TFMODE as appropriate.
6511         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
6512         (__floatdisf): Likewise.
6513         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
6514         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
6515         (Wtype_MAXp1_F): New.
6516         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
6517         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
6518
6519 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
6520
6521         * PR target/19162
6522         * arm.c (arm_apply_result_size): New function.
6523         * arm.h (APPLY_RESULT_SIZE): Define.
6524         * arm-protos.h (arm_apply_result_size): Add prototype.
6525         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
6526         (movxf): New expand.
6527         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
6528         (call_value_symbol): Remove predicate for operand 0.
6529         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
6530         (untyped_call): Rework to correclty return values for any type.
6531         (untyped_return): New expand.
6532         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
6533
6534 2005-02-16  Stan Shebs  <shebs@apple.com>
6535
6536         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
6537         * config/rs6000/t-darwin8: New, for 64-bit multilib.
6538
6539 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6540
6541         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
6542         configure settings on Solaris 7 and later.
6543
6544 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
6545
6546         PR tree-optimization/19865
6547         * tree-optimize.c (init_tree_optimization_passes): Run
6548         pass_may_alias after pass_sra.
6549
6550 2005-02-16  Richard Henderson  <rth@redhat.com>
6551             Stuart Hastings  <stuart@apple.com>
6552
6553         PR debug/19521
6554         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
6555         Do nothing if debug info suppressed for this function.
6556         (dbxout_begin_function): Early exit if debug info suppressed for
6557         this function.
6558
6559 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
6560
6561         PR target/20007
6562         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
6563         find_basic_blocks.
6564         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
6565
6566         PR tree-optimization/19967
6567         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
6568         expand_builtin_strchr, expand_builtin_strrchr): Take a new
6569         argument TYPE.  Adjust calls to fold_builtin_XXX.
6570         (expand_builtin, fold_builtin_1): Adjust calls to
6571         expand_builtin_XXX.
6572         (fold_builtin_strchr, fold_builtin_strpbrk,
6573         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
6574         result to a requested type TYPE.
6575
6576 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
6577
6578         PR middle-end/19857
6579         * fold-const.c (fold): Don't optimize (T)(x & cst) to
6580         (T)x & (T)cst if (T)cst overflows.
6581         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
6582         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
6583
6584 2005-02-15  Jeff Law  <law@redhat.com>
6585
6586         * gcse.c (blocks_with_calls): New bitmap.
6587         (alloc_gcse_mem): Allocate it.
6588         (free_gcse_mem): Free it.
6589         (clear_modifY_mem_tables): Clear it.
6590         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
6591         when we encounter CALL_INSNs.
6592         (compute_transp, case MEM): Handle blocks with calls separate
6593         from blocks without calls.  Use bitmap iterators rather than
6594         FOR_EACH_BB.
6595
6596 2005-02-15  Peter O'Gorman  <peter@pogma.com>
6597
6598         PR bootstrap/18810
6599         * mklibgcc.in (vis_hide): Use a temporary object file, not
6600         -o /dev/null.
6601
6602 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6603
6604         PR target/19924
6605         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
6606         access optimization.
6607
6608 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
6609             Alan Modra  <amodra@bigpond.net.au>
6610
6611         PR target/19019
6612         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
6613         (_xlqsub): Rename to __gcc_qsub.
6614         (_xlqmul): Rename to __gcc_qmul.
6615         (_xlqdiv): Rename to __gcc_qdiv.
6616         Provide versioned symbol aliases with old names.
6617         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
6618         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
6619         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
6620         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
6621         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
6622
6623 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6624
6625         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
6626         Fold ~(A - 1) and ~(A + -1) to -A.
6627
6628 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6629
6630         PR pch/14940
6631         PR target/19300
6632         * config/host-linux.c (linux_gt_pch_use_address): Copy from
6633         config/pa/pa-host.c:pa_gt_pch_use_address.
6634
6635 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
6636
6637         * tree-vn.c (get_value_handle): Make sure that given an
6638         is_gimple_min_invariant expression, we always return it.
6639
6640 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6641
6642         * passes.c (rest_of_handle_gcse): Fix a comment.
6643
6644 2005-02-15  Jeff Law  <law@redhat.com>
6645
6646         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
6647         bitmap.
6648         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
6649         (canon_list_insert, record_last_mem_set_info): Similarly.
6650         (clear_modify_mem_tables): Similarly.
6651
6652 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6653
6654         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
6655         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
6656         config/mips/mips.md, config/rs6000/aix.h,
6657         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
6658
6659 2005-02-15  Richard Henderson  <rth@redhat.com>
6660
6661         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
6662         call to be best_edge.
6663
6664 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6665
6666         * basic-block.h: Adjust the prototype for find_basic_blocks.
6667         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
6668         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
6669         find_basic_blocks.
6670
6671         * flow.c (recompute_reg_usage): Remove all arguments.
6672         * passes.c (rest_of_compilation): Adjust the call to
6673         recompute_reg_usage.
6674         * rtl.h: Adjust the prototype for recompute_reg_usage.
6675
6676 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
6677
6678         * tree-dump.c (dump_files): Update to reflect new member
6679         of dump_file_info.
6680         (dump_register): Add new argument.
6681         Set glob name.
6682         (dump_switch_p_1): Check against glob name if doglob was passed.
6683         (dump_switch_p): Check against regular first, then glob if
6684         we didn't have any hits on the dump name.
6685         * tree-optimize.c (register_one_dump_file):
6686         Pass in glob name as well.
6687         * tree-pass.h (struct dump_file_info): Add glob
6688         member.
6689
6690 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
6691
6692         PR preprocessor/16323
6693         * doc/invoke.texi: Document that -Wendif-labels is on by default.
6694
6695 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
6696
6697         PR target/19019
6698         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
6699         (trunctfdf2_internal1): New.
6700         (trunctfdf2_internal2): Renamed from trunctfdf2.
6701
6702 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
6703
6704         PR tree-optimization/19853
6705         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
6706
6707 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6708
6709         * passes.c (rest_of_handle_loop_optimize): Remove calls to
6710         delete_dead_jumptables and cleanup_cfg.
6711
6712 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
6713
6714         * reload.c (find_reloads): Swap address_reloaded flags when
6715         swapping commutative operands.
6716
6717 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
6718
6719         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
6720         Use standard_iv_increment_position for computing the bsi position
6721         for create_iv.
6722         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
6723         the bsi position.
6724
6725 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
6726
6727         PR target/17428
6728         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
6729         life range of hard registers.
6730         * value-prof.c (insn_prefetch_values_to_profile): Only
6731         scan normal insns.
6732
6733         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6734         profile in libcalls.
6735
6736 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6737
6738         * bitmap.h (bitmap_and_compl_into): Return bool.
6739         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6740
6741 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6742
6743         PR tree-optimization/19944
6744         * fold-const.c (fold): Re-add ABS_EXPR folding.
6745
6746 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6747
6748         PR target/19019
6749         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6750         {TARGET,MASK}_XL_COMPAT.
6751         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6752         MASK_XL_COMPAT.
6753         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6754         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6755         TARGET_XL_COMPAT.
6756         (rs6000_arg_partial_bytes): Same.
6757         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6758         and XL compatibility enabled.
6759         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6760         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6761         test to final condition.
6762         (cmptf_internal2): New.
6763         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6764         xl-compat.  Add TFmode information to description.
6765
6766 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6767
6768         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6769
6770 2005-02-13  Jason Merrill  <jason@redhat.com>
6771
6772         PR c++/16405
6773         * fold-const.c (fold_indirect_ref_1): Split out from...
6774         (build_fold_indirect_ref): Here.
6775         (fold_indirect_ref): New fn.
6776         * tree.h: Declare it.
6777         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6778         (gimplify_modify_expr_rhs): Likewise.
6779         (gimplify_expr): Likewise.
6780
6781 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6782
6783         PR tree-optimization/14303
6784         PR tree-optimization/15784
6785         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6786         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6787         ABS_EXPR<x> != 0 to x != 0.
6788
6789 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6790
6791         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6792         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6793         spelling conventions.
6794
6795         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6796         delete_trivially_dead_insns too many times.
6797
6798         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6799         tem and tem2.
6800
6801 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6802
6803         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6804         (vect_is_simple_iv_evolution): Remove redundant parameter
6805         and step check.
6806         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6807         without last parameter.
6808         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6809         Return pointer step. Call vect_is_simple_iv_evolution without
6810         last parameter. Check only that the step is multiple of size
6811         type. Remove stmt_vinfo updates.
6812         (vect_get_memtag_and_dr): Remove.
6813         (vect_get_memtag): New function.
6814         (vect_address_analysis): New function.
6815         (vect_object_analysis): New function.
6816         (vect_analyze_data_refs): Call vect_object_analysis and
6817         vect_get_memtag. Update stmt_vinfo fields.
6818
6819 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6820
6821         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6822         exist and are objects. Remove checks for pointer.
6823         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6824         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6825         (vect_create_data_ref_ptr): Likewise.
6826         (vect_base_addr_differ_p): New function.
6827         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6828         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6829         Don't set the DR_BASE_NAME field of data-ref.
6830         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6831
6832 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6833
6834         * optabs.h (enum optab_index): Add new OTI_ldexp.
6835         (ldexp_optab): Define corresponding macro.
6836         * optabs.c (init_optabs): Initialize ldexp_optab.
6837         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6838         patterns.
6839         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6840         using ldexp_optab.
6841         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6842         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6843
6844         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6845         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6846         intrinsics.
6847
6848 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6849
6850         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6851         to base_address.
6852         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6853         stmt_vec_info.
6854         (vect_get_base_and_offset): Always return an address.
6855         (vect_create_addr_base_for_vector_ref): Remove treatment for
6856         different data reference types.
6857         (vect_compute_data_ref_alignment): Rename base to base_address in
6858         stmt_vec_info. Get the object in order to force its alignment.
6859         (vect_get_memtag_and_dr): Rename base to base_address in
6860         stmt_vec_info. Extract the object for memtag analysis.
6861
6862 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6863
6864         PR regression/19898.
6865         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6866         changes cc_status, use apply modified_in_p to part of cc_status
6867         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6868         body.
6869
6870 2005-02-11  Richard Henderson  <rth@redhat.com>
6871
6872         * tree-complex.c (expand_complex_libcall): New.
6873         (expand_complex_multiplication): Use it for c99 compliance.
6874         (expand_complex_division): Likewise.
6875         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6876         (fold): Call them.
6877         * builtins.c (built_in_names): Remove const.
6878         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6879         builtins.
6880         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6881         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6882         (built_in_names): Remove const.
6883         * c-common.c (c_common_type_for_mode): Handle complex modes.
6884         * flags.h, toplev.c (flag_complex_method): Rename from
6885         flag_complex_divide_method.
6886         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6887         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6888         * libgcc2.h: Declare them.
6889         * libgcc-std.ver: Export them.
6890         * mklibgcc.in (lib2funcs): Build them.
6891
6892 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6893
6894         PR tree-optimization/19876
6895         Partially revert my change from 2005-01-14
6896         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6897         (compute_antic): ...and remove the loop here.
6898
6899 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6900
6901         PR middle-end/19858
6902         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6903         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6904
6905         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6906         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6907
6908 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6909
6910         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6911         offsets for the big-endian 32-bit case.
6912
6913 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6914
6915         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6916
6917 2005-02-11  Dale Johannesen  <dalej@apple.com>
6918
6919         * cselib.c (cselib_process_insn):  Clear out regs where
6920         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6921         * reload.c (find_equiv_reg): Ditto.
6922
6923 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6924
6925         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6926         with no elements.
6927
6928         * tree.c (build_function_type_list): Work correctly if there are
6929         no arguments.
6930
6931 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6932
6933         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6934         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6935         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6936         TARGET_ZARCH instead of TARGET_64BIT.
6937
6938 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6939
6940         * config/rs6000/t-rtems:
6941         (MULTILIB_OPTIONS): Remove mcpu=602.
6942         (MUTLILIB_DIRNAMES): Remove m602.
6943         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6944         Let mcpu=602 match mcpu=603.
6945         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6946
6947 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6948
6949         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6950         signal trampolines.
6951
6952 2005-02-10  David Daney  <ddaney@avtrex.com>
6953
6954         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6955         * config/i386/linux-unwind.h: Likewise.
6956         * config/ia64/linux-unwind.h: Likewise.
6957         * config/mips/linux-unwind.h: Likewise.
6958         * config/pa/linux-unwind.h: Likewise.
6959         * config/rs6000/linux-unwind.h: Likewise.
6960         * config/s390/linux-unwind.h: Likewise.
6961         * config/sh/linux-unwind.h: Likewise.
6962         * config/sparc/linux-unwind.h: Likewise.
6963
6964 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6965
6966         PR tree-optimization/17549
6967         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6968         TER to replace a DEF with its expression if the DEF and the
6969         rhs of the expression we replace into have the same root
6970         variable.
6971
6972 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6973
6974         * config/mips/mips.md: Fix the placement of the match_scratch in the
6975         lea64 peephole2.
6976
6977 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6978
6979         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6980         Fix comment typos.
6981
6982 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6983
6984         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6985         (strip_offset): Handle addresses.
6986         (add_address_candidates): Use strip_offset.
6987         (difference_cost): Reflect strip_offset change.
6988         (force_var_cost, difference_cost): Strip nops.
6989
6990 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6991
6992         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6993
6994         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6995         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6996         config/cris/cris-protos.h, config/cris/cris.c: Update
6997         copyright.
6998
6999 2005-02-10  Jeff Law  <law@redhat.com>
7000
7001         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
7002         (lookup_avail_expr): Similarly.
7003
7004 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
7005
7006         * builtins.c (fold_builtin_powi): New function.
7007         (fold_builtin_1): Call it.
7008
7009 2005-02-10  Steven Bosscher  <stevenb@suse.de>
7010
7011         PR documentation/19309
7012         * doc/cpp.texi: The __GNUC__ and related predefined macros
7013         are also defined for the "standalone" cpp.
7014         Some non-GCC compilers may also define __GNUC__.
7015
7016 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
7017
7018         PR c/19342
7019         * c-typeck.c (common_type): New routine.  Old common_type renamed
7020         to...
7021         (c_common_type): ...this.
7022         (build_conditional_expr, build_binary_op): Use c_common_type instead
7023         of common_type.
7024
7025 2005-02-10  Steven Bosscher  <stevenb@suse.de>
7026
7027         * doc/md.texi: Replace @samp{length} with @code{length}.
7028
7029 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7030
7031         PR tree-optimization/18687
7032         * tree-flow.h (find_loop_niter): Declare.
7033         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
7034         Try using scev even for loops with more than one exit.
7035         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
7036         (struct ivopts_data): Added niters field.
7037         (struct nfe_cache_elt): New.
7038         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
7039         functions.
7040         (tree_ssa_iv_optimize_init): Initialize niters cache.
7041         (determine_number_of_iterations): Removed.
7042         (find_induction_variables): Do not call determine_number_of_iterations.
7043         Access niters for single exit through niter_for_single_dom_exit.
7044         (add_iv_outer_candidates): Access niters for single exit through
7045         niter_for_single_dom_exit.
7046         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
7047         number_of_iterations_cond.
7048         (iv_period): New function.
7049         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
7050         (may_replace_final_value): Take data argument.  Use
7051         niter_for_single_dom_exit.
7052         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
7053         (rewrite_use_compare): Pass data to may_eliminate_iv.
7054         (rewrite_use_outer): Pass data to may_replace_final_value.
7055         (free_loop_data): Clean up the niters cache.
7056         (tree_ssa_iv_optimize_finalize): Free the niters cache.
7057         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
7058         * tree-ssa-loop-niter.c (find_loop_niter): New function.
7059         (find_loop_niter_by_eval): Use tree_int_cst_lt.
7060         (num_ending_zeros): Moved to tree.c.
7061         * tree.h (num_ending_zeros): Declare.
7062         * tree.c (num_ending_zeros): Moved from tree.c.
7063
7064 2005-02-09  Richard Henderson  <rth@redhat.com>
7065
7066         * builtins.c (DEF_BUILTIN): Add COND argument.
7067         * tree.h (DEF_BUILTIN): Likewise.
7068         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
7069         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
7070         match.
7071         (DEF_BUILTIN_STUB): New.
7072         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
7073         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
7074         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
7075         * c-common.c (DEF_BUILTIN): Add COND argument.
7076         * tree.c (local_define_builtin): New.
7077         (build_common_builtin_nodes): New.
7078
7079 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7080
7081         * fold-const.c (fold_strip_sign_ops): New function to simplify a
7082         floating point expression ignoring the sign of the result.
7083         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
7084         (fold) <MULT_EXPR>: Use it to simplify x*x.
7085         * tree.h (fold_strip_sign_ops): Prototype here.
7086         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
7087         argument.  Use fold_strip_sign_ops to simplify the first argument.
7088         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
7089         first argument when the second argument is an even integer
7090         constant, but only with -funsafe_math_optimizations.
7091         (fold_builtin_1): Update call to fold_builtin_copysign.
7092
7093 2005-02-09  Ian Lance Taylor  <ian@airs.com>
7094
7095         PR middle-end/19583
7096         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
7097         just check whether EH_FILTER_FAILURE falls through.
7098
7099 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
7100
7101         * gcc/haifa-sched.c (schedule_block): Make queued sched group
7102         insns return to ready list in the next turn.
7103
7104 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7105
7106         PR middle-end/19402
7107         * builtins.def: New __builtin_powi[lf].
7108         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
7109         (expand_builtin_powi): New function.
7110         (expand_builtin): Dispatch to expand_builtin_powi.
7111         * libgcc2.h: Add prototypes for __builtin_powi[lf].
7112         * libgcc2.c: Add __builtin_powi[lf] implementation.
7113         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
7114         * optabs.h: Add powi_optab.
7115         * optabs.c (init_optabs): Initialize powi_optab.
7116         * doc/extend.texi: Document __builtin_powi[lf].
7117
7118 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
7119
7120         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
7121         exists.
7122
7123 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7124
7125         PR middle-end/19854
7126         * fold-const.c (try_move_mult_to_index): Remove redundant
7127         type argument.  Create ADDR_EXPR with correct type.
7128         (fold): Update callers of try_move_mult_to_index.  Convert
7129         result to the appropriate type.
7130
7131 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7132
7133         PR target/19597
7134         * config/avr/avr.c (default_rtx_costs): Delete.
7135         (avr_operand_rtx_cost): New function.
7136         (avr_rtx_costs): Completely rewrite.
7137
7138 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
7139
7140         PR target/19806
7141         * config/cris/cris.c (in_code): New variable.
7142         (cris_output_addr_const): Now a static function, a wrapper for
7143         output_addr_const.
7144         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
7145         case from old cris_output_addr_const.
7146         (cris_asm_output_label_ref): Similar for LABEL_REF.
7147         (cris_output_addr_const_extra): Similar for UNSPEC.
7148         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
7149         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
7150         * config/cris/cris-protos.h (cris_output_addr_const): Remove
7151         declaration.
7152         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
7153         (cris_asm_output_label_ref): Declare.
7154
7155 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
7156
7157         PR preprocessor/19801
7158         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
7159         filenames that changed when libcpp was moved to the toplevel.
7160
7161 2005-02-07  Roger Sayle  <roger@eyesopen.com>
7162
7163         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7164         zero extensions of BImode operands.  Call lowpart_subreg instead
7165         of gen_lowpart_common and gen_lowpart_SUBREG.
7166
7167 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
7168
7169         PR ada/19489
7170         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
7171         * configure.ac: Set cc_for_cross_gnattools.
7172         * configure: Regenerate.
7173
7174 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
7175
7176         PR target/19803
7177         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
7178
7179 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7180
7181         PR debug/19327
7182         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
7183         of nested functions.
7184
7185 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
7186
7187         * doc/extend.texi: Document deprecated extensions allowing
7188         static floating-point members to have initializers and allowing
7189         floating-point literals in integral constant expressions.
7190
7191 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
7192
7193         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
7194         config/darwin7.h, config/mips/mips.c,
7195         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
7196         Update copyright.
7197
7198         * cse.c: Update comments.
7199
7200 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
7201
7202         PR middle-end/19775
7203         * builtins.c (fold_builtin_sqrt): Transform
7204         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
7205         pow(x,y*0.5).
7206
7207 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
7208             Dorit Naishlos  <dorit@il.ibm.com>
7209
7210         * doc/invoke.texi (ftree-vectorizer-verbose): New.
7211         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
7212         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
7213         was added.
7214         * tree.h (vect_set_verbosity_level): New extern function declaration
7215         added.
7216         * tree-vectorizer.h (verbosity_levels): New enum type.
7217         * tree-vectorizer.c (vect_debug_stats): Function removed.
7218         (vect_debug_details): Likewise.
7219         (vect_verbosity_level): Global variable was defined and initialized.
7220         (vect_dump): Global variable definition.
7221         (vect_print_dump_info): New function.
7222         (vect_set_dump_settings): New function.
7223         (vect_set_verbosity_level): New function.
7224         (vectorize_loops): Add call to vect_set_dump_settings.
7225
7226         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
7227         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7228         (slpeel_tree_peel_loop_to_edge): Likewise.
7229
7230         (vect_analyze_offset_expr): Call to vect_print_dump_info with
7231         appropriate verbosity level instead of call to vect_debug_details
7232         or vect_debug_stats.
7233         (vect_get_base_and_offset):
7234         (vect_create_addr_base_for_vector_ref):
7235         (get_vectype_for_scalar_type):
7236         (vect_create_data_ref_ptr):
7237         (vect_init_vector):
7238         (vect_get_vec_def_for_operand):
7239         (vect_finish_stmt_generation):
7240         (vectorizable_assignment):
7241         (vectorizable_operation):
7242         (vectorizable_store):
7243         (vectorizable_load):
7244         (vect_transform_stmt):
7245         (vect_update_ivs_after_vectorizer):
7246         (vect_do_peeling_for_loop_bound):
7247         (vect_update_inits_of_drs):
7248         (vect_do_peeling_for_alignment):
7249         (vect_transform_loop):
7250         (vect_is_simple_use):
7251         (vect_analyze_operations):
7252         (vect_is_simple_iv_evolution):
7253         (vect_analyze_scalar_cycles):
7254         (vect_analyze_data_ref_dependence):
7255         (vect_analyze_data_ref_dependences):
7256         (vect_compute_data_ref_alignment):
7257         (vect_enhance_data_refs_alignment):
7258         (vect_analyze_data_refs_alignment):
7259         (vect_analyze_data_ref_access):
7260         (vect_analyze_data_ref_accesses):
7261         (vect_analyze_pointer_ref_access):
7262         (vect_get_memtag_and_dr):
7263         (vect_analyze_data_refs):
7264         (vect_mark_relevant):
7265         (vect_stmt_relevant_p):
7266         (vect_mark_stmts_to_be_vectorized):
7267         (vect_can_advance_ivs_p):
7268         (vect_get_loop_niters):
7269         (vect_analyze_loop_form):
7270         (vect_analyze_loop):
7271         (vectorize_loops): Likewise.
7272
7273         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
7274         (vect_update_inits_of_drs):
7275         (vect_do_peeling_for_alignment):
7276         (vect_transform_loop):
7277         (vect_analyze_operations):
7278         (vect_analyze_scalar_cycles):
7279         (vect_analyze_data_ref_dependences):
7280         (vect_analyze_data_refs_alignment):
7281         (vect_analyze_data_ref_accesses):
7282         (vect_analyze_data_refs):
7283         (vect_mark_stmts_to_be_vectorized):
7284         (vect_get_loop_niters):
7285         (vect_analyze_loop_form):
7286         (vect_analyze_loop): Likewise.
7287         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
7288
7289 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
7290
7291         PR bootstrap/19796
7292         Revert:
7293         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7294         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7295         either -ffast-math or -funsafe-math-optimizations is in use.
7296
7297         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7298         * config/mips/irix-csr.c: New file.
7299         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7300         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7301         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7302         executables.
7303
7304 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
7305
7306         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
7307         redundant, incorrect definitions.
7308
7309         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
7310         expand.
7311         ("*tls_indirect_call"): New, reference hard regs directly.
7312         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
7313
7314 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7315
7316         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
7317         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
7318
7319 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7320
7321         PR rtl-optimization/19800
7322         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
7323         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
7324         gen_lowpart.
7325
7326 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7327
7328         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
7329
7330 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
7331
7332         PR other/17135
7333         * doc/invoke.texi: Correct documentation of -freorder-functions.
7334
7335 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7336
7337         PR other/14402
7338         * doc/invoke.texi: Don't mention gccbug.
7339
7340 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7341             Andrew Pinski  <pinskia@physics.uc.edu>
7342             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
7343
7344         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7345         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
7346         into just (zero_extract:SI FOO (const_int 1) BAR).
7347
7348 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7349
7350         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
7351         macro locally.  Don't give last revision date.  Use GCC version
7352         number from gcc-common.texi.
7353         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
7354         revision date.  Use GCC version number from gcc-common.texi.
7355         Describe being a library as current state rather than as 3.x
7356         history.
7357         * doc/gcc.texi: Remove last update date.
7358         * doc/gccint.texi: Likewise.  Update copyright dates.
7359         * doc/install.texi: Update copyright dates.
7360
7361 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7362
7363         PR other/7549
7364         * doc/invoke.texi: Mention for each option included in -Wall that
7365         it is included in -Wall.
7366         * doc/gcc.texi: Update copyright and last modification date.
7367
7368 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7369
7370         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
7371         unnecessary cast to original induction variable increments.
7372
7373 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7374
7375         PR tree-optimization/18219
7376         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
7377         in distributed form.
7378
7379 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
7380
7381         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
7382         Set bitpos and offset later in the function.  Do nothing if the
7383         target is a register and if the bitfield lies completely outside
7384         that register.
7385         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
7386         here.  Return an uninitialised register if the source value is stored
7387         in a register and the bitfield lies completely outside that register.
7388
7389 2005-02-06  Steven Bosscher  <stevenb@suse.de>
7390
7391         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
7392         not SET_DEST.
7393
7394 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
7395
7396         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
7397
7398 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
7399
7400         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
7401         * config/darwin8.h: New.
7402         * config/darwin7.h: Update comment.
7403
7404 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7405             Dorit Naishlos  <dorit@il.ibm.com>
7406
7407         * tree-vectorizer.h (LOC): New type.
7408         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
7409         (loop_line_number): New field in struct _loop_vec_info.
7410         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
7411
7412         * tree-vectorizer.c (input.h): Included.
7413         (find_loop_location): New function.
7414         (vect_debug_stats): Argument changed from loop to LOC. Computation of
7415         loop line number removed.
7416         (vect_debug_details): Likewise.
7417         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
7418
7419         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
7420         call to vect_debug_details/stats changed from loop to loop_loc.
7421         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7422         (slpeel_tree_peel_loop_to_edge): Likewise.
7423
7424         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
7425         changed from NULL to UNKNOWN_LOC.
7426         (vect_get_base_and_offset):
7427         (vect_create_addr_base_for_vector_ref):
7428         (get_vectype_for_scalar_type):
7429         (vect_create_data_ref_ptr):
7430         (vect_init_vector):
7431         (vect_get_vec_def_for_operand):
7432         (vect_finish_stmt_generation):
7433         (vectorizable_assignment):
7434         (vectorizable_operation):
7435         (vectorizable_store):
7436         (vectorizable_load):
7437         (vect_transform_stmt):
7438         (vect_update_ivs_after_vectorizer):
7439         (vect_do_peeling_for_loop_bound):
7440         (vect_do_peeling_for_alignment):
7441         (vect_transform_loop):
7442         (vect_is_simple_use):
7443         (vect_analyze_operations):
7444         (vect_is_simple_iv_evolution):
7445         (vect_analyze_scalar_cycles):
7446         (vect_analyze_data_ref_dependences):
7447         (vect_compute_data_ref_alignment):
7448         (vect_enhance_data_refs_alignment):
7449         (vect_analyze_data_ref_access):
7450         (vect_analyze_data_ref_accesses):
7451         (vect_analyze_pointer_ref_access):
7452         (vect_get_memtag_and_dr):
7453         (vect_analyze_data_refs):
7454         (vect_mark_relevant):
7455         (vect_stmt_relevant_p):
7456         (vect_mark_stmts_to_be_vectorized):
7457         (vect_can_advance_ivs_p):
7458         (vect_get_loop_niters):
7459         (vect_analyze_loop):
7460         (vectorize_loops): Likewise.
7461
7462         (vectorizable_load): Argument in call to vect_debug_details/stats
7463         changed from loop to LOOP_LOC (loop_vinfo).
7464         (vect_transform_loop):
7465         (vect_analyze_operations):
7466         (vect_analyze_scalar_cycles):
7467         (vect_analyze_data_ref_dependence):
7468         (vect_enhance_data_refs_alignment):
7469         (vect_analyze_data_ref_accesses):
7470         (vect_analyze_pointer_ref_access):
7471         (vect_analyze_data_refs):
7472         (vect_analyze_loop): Likewise.
7473
7474         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
7475         changed from loop to loop_loc.
7476
7477         (vect_enhance_data_refs_alignment): Removed unused variable loop.
7478
7479 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7480             Dorit Naishlos  <dorit@il.ibm.com>
7481
7482         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
7483         declaration added.
7484         (vect_analyze_data_ref_dependences): Likewise.
7485
7486         (vect_is_simple_use): Argument changed from loop structure to
7487         loop_vect_info structure.
7488         (vect_can_advance_ivs_p): Likewise.
7489         (vect_create_index_for_vector_ref): Likewise.
7490         (vect_update_ivs_after_vectorizer): Likewise.
7491         (new_stmt_vec_info): Likewise.
7492
7493         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
7494         changed from loop to loop_vinfo.
7495         (vect_create_data_ref_ptr): First argument in call to
7496         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
7497         (vectorizable_assignment): Second argument in call to vect_is_simple_use
7498         was changed from loop to loop_vinfo.
7499         (vectorizable_operation): Likewise.
7500         (vectorizable_store): Likewise.
7501         (vect_mark_stmts_to_be_vectorized): Likewise.
7502         (vect_do_peeling_for_loop_bound): First argument in call to
7503         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
7504         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
7505         was changed from loop to loop_vinfo.
7506         (vect_analyze_data_ref_dependences): Third argument in call to
7507         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
7508
7509         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
7510         (vect_create_data_ref_ptr): Likewise.
7511         (vect_init_vector): Likewise.
7512         (vect_get_vec_def_for_operand): Likewise.
7513         (vectorizable_assignment): Likewise.
7514         (vectorizable_operation): Likewise.
7515         (vectorizable_store): Likewise.
7516         (vectorizable_load): Likewise.
7517         (vect_update_ivs_after_vectorizer): Likewise.
7518         (vect_is_simple_use): Likewise.
7519         (vect_analyze_data_ref_dependence): Likewise.
7520         (vect_analyze_pointer_ref_access): Likewise.
7521         (vect_can_advance_ivs_p): Likewise.
7522
7523         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
7524         before _stmt_vec_info.
7525         (_stmt_vec_info): Loop field replaced by loop_vec_info.
7526         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
7527         (new_stmt_vec_info): Argument changed from loop structure to
7528         loop_vect_info structure
7529
7530         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
7531         (vect_analyze_offset_expr): Avoid 80 columns overflow.
7532         (vect_create_addr_base_for_vector_ref): Likewise.
7533         (vect_analyze_pointer_ref_access): Likewise.
7534
7535 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7536
7537         PR tree-opt/19768
7538         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
7539         phi flag if the phi is abnormal.
7540
7541 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7542
7543         PR tree-opt/19736
7544         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
7545         information for the new statement.
7546
7547 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7548
7549         PR driver/19117
7550         * gcc.c (main): Include the target in -v output.
7551
7552 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
7553
7554         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
7555         Do not drop the extend if we'd have to add a paradoxical subreg
7556         later.  Include optabs.h and insn-codes.h.
7557         * Makefile.in (combine.o): Depend on $(OPTABS_H).
7558
7559 2005-02-02  Roger Sayle  <roger@eyesopen.com>
7560
7561         PR middle-end/19405
7562         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
7563         * fold-const.c (const_binop): Avoid constant folding floating
7564         point operations in modes that use composite representations.
7565         * simplify-rtx.c (simplify_binary_operation): Likewise.
7566
7567 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
7568
7569         * config/rs6000/altivec.md (altivec_dst): Make the first operand
7570         a REG, not a MEM.
7571         (altivec_dstt): Likewise.
7572         (altivec_dstst): Likewise.
7573         (altivec_dststt): Likewise.
7574         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
7575         of first operand.
7576
7577 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7578
7579         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
7580         EXPR_LOCUS from orig_cond to the new cond_stmt.
7581         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
7582         the new vec_stmt.
7583
7584 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7585
7586         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
7587         standard_iv_increment_position. Remove call to bsi_next
7588         (no need to bump the iterator anymore).
7589         (vect_create_index_for_vector_ref): Call
7590         standard_iv_increment_position. Remove second function argument.
7591         (vect_finish_stmt_generation): Remove call to bsi_next
7592         (no need to bump the iterator anymore).
7593         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
7594         to vect_create_index_for_vector_ref.
7595
7596 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7597
7598         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
7599         phis are used out of the loop.
7600
7601 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7602
7603         PR c/17807
7604         * c-decl.c (undef_nested_function): New variable.
7605         (pop_scope): Diagnose undefined nested functions.
7606         (finish_function): Don't attempt cgraph processing or genericizing
7607         if current top-level function contained an undefined nested
7608         function.  Reset undef_nested_function at the end of a top-level
7609         function.
7610
7611 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
7612
7613         * tree.c (build_int_cst_type): Take sign of the value into account
7614         when deciding whether sign extend the value.
7615
7616 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7617
7618         PR c/18502
7619         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
7620         (cpp_options, cc1_options): Change %{std*&ansi} to
7621         %{std*&ansi&trigraphs}.
7622
7623 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7624
7625         * cse.c: Update comments.
7626
7627 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
7628
7629         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
7630         arguments go on the stack.  Do not put complex doubles in odd/even
7631         pairs.
7632
7633 2005-02-02  Steven Bosscher  <stevenb@suse.de>
7634
7635         * doc/invoke.texi: Update the options enabled at -O1, -O2,
7636         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
7637         -ftree-pre, and -fthread-jumps.
7638
7639 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
7640
7641         PR tree-optimization/19578
7642         * tree-flow.h (modified_noreturn_calls): Declare.
7643         (noreturn_call_p): Declare.
7644         * tree-flow-inline.h (noreturn_call_p): New function.
7645         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
7646         * tree-cfg.c (modified_noreturn_calls): New variable.
7647         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
7648         that contain a mid-block noreturn call.
7649         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
7650
7651 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7652
7653         * df.c (df_def_record_1, df_uses_record): Don't use
7654         DF_FOR_REGALLOC.
7655         * df.h (DF_FOR_REGALLOC): Remove.
7656
7657 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7658
7659         PR c/19435
7660         * c-typeck.c (really_start_incremental_init): Reset
7661         constructor_max_index for arrays of incomplete type.
7662
7663 2005-02-02  Jeff Law  <law@redhat.com>
7664
7665         * gcse.c (struct reg_set): Store the block index where the register
7666         was set rather than the setting insn.
7667         (record_one_set, compute_transp): Corresponding changes.
7668         (pre_insert_copy_insn): Do not call replace_one_set.
7669         (replace_one_set): Remove.
7670
7671 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7672
7673         PR other/15514
7674         * doc/gcov.texi: Fix typo.
7675
7676 2005-02-01  Richard Henderson  <rth@redhat.com
7677
7678         PR target/19680
7679         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
7680         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
7681         type to bool.
7682         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
7683         * config/i386/i386-protos.h: Update.
7684
7685 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7686
7687         PR tree-optimization/19217
7688         * tree-cfg.c (verify_expr): Use the data field to see if TP was
7689         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
7690         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
7691         that it is walking a PHI node.
7692
7693 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
7694
7695         * doc/extend.texi (Nested Functions): Update.
7696
7697 2005-02-01  Richard Henderson  <rth@redhat.com>
7698
7699         PR 19696
7700         * optabs.c (expand_copysign_absneg): Export.
7701         * optabs.h (expand_copysign_absneg): Declare.
7702         * config/rs6000/rs6000.md (copysigntf3): New.
7703
7704 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7705
7706         PR tree-optimization/19633
7707         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
7708         * tree-ssa-alias.c (init_alias_info): Initialize.
7709         (merge_pointed_to_info): Set.
7710         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
7711         (dump_points_to_info_for): Show value of pt_null.
7712         (struct count_ptr_d): Declare.
7713         (find_ptr_dereference): Remove.
7714         (ptr_is_dereferenced_by): Remove.
7715         (count_ptr_derefs): New local function.
7716         (count_uses_and_derefs): New local function.
7717         (compute_points_to_and_addr_escape): Call it.  If the number
7718         of dereferences is greater than zero, mark the pointer as
7719         dereferenced.  If there are fewer dereferences than uses of
7720         the pointer, the pointer's value escapes.
7721
7722 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7723
7724         PR tree-optimization/19670
7725         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
7726         here...
7727         (verify_use): ... set it here, instead.
7728
7729 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
7730
7731         * doc/sourcebuild.texi (Test directives): Fix formatting.
7732
7733         * doc/sourcebuild.texi (Test directives): Describe selector
7734         expressions.
7735
7736 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7737
7738         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7739         specific 64-bit CPUs.
7740
7741 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7742
7743         PR target/16201
7744         * arm.c (arm_eliminable_register): New function.
7745         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7746         HOST_WIDE_INT for address offsets.
7747         * arm-protos.h (arm_eliminable_register): Add prototype.
7748
7749 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7750
7751         PR optimization/15242
7752         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7753         * basic-block.h (duplicate_computed_gotos): Add prototype.
7754         * bb-reorder.c (duplicate_computed_gotos): New function to
7755         duplicate sufficiently small blocks ending in a computed jump.
7756         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7757         if not optimizing for size.
7758         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7759         never do tail merging for blocks ending in a computed jump.
7760         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7761
7762 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7763
7764         Patch from Richard Sandiford <rsandifo@redhat.com>
7765         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7766         from inheriting a subreg equivalence with a non-spill register.
7767
7768         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7769
7770 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7771
7772         * config/frv/frv.c (movcc_fp_destination_operand): New.
7773         (gpr_or_memory_operand): Fix typo in comment.
7774         (gpr_or_memory_operand_with_scratch): New.
7775         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7776         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7777         movcc_fp_destination_operand.
7778         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7779         Legitimize memory addresses using a scratch register.
7780
7781 2005-01-31  Jeff Law  <law@redhat.com>
7782
7783         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7784         bitmap a sparse bitmap instead of a simple bitmap.
7785         (mark_def_sites_initialize_block):  Corresponding changes.
7786         (ssa_mark_def_sites_initialize_block): Likewise.
7787         (ssa_mark_phi_uses): Likewise.
7788         (mark_def_site, ssa_mark_def_sites): Likewise.
7789         (mark_def_site_blocks): Likewise.
7790         (rewrite_ssa_into_ssa): Likewise.
7791
7792         * tree-ssa-dom.c (record_cond): Pass correct variable type
7793         for last argument to htab_find_slot_with_hash.
7794
7795         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7796         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7797
7798 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7799
7800         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7801         1_mmalua.
7802
7803 2005-02-01  Eric Christopher  <echristo@redhat.com>
7804
7805         * config/mips/mips.c (override_options): Warn if -mint64
7806         is used.
7807         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7808         deprecated.
7809
7810 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7811
7812         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7813         timestamp.
7814         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7815         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7816         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7817         (cached_regno): Initialize to INVALID_REGNUM.
7818         (cse_reg_info_table_size,
7819         cse_reg_info_table_first_uninitialized,
7820         cse_reg_info_timestamp): New.
7821         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7822         get_cse_reg_info.
7823         (init_cse_reg_info, get_cse_reg_info_1): New.
7824         (get_cse_reg_info): Cache the last look-up.
7825         (new_basic_block): Update the code to clear mappings from
7826         registers to cse_reg_info entries.
7827         (cse_main): Call init_cse_reg_info.
7828
7829         * cse.c (get_cse_reg_info): Update a comment.
7830
7831 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7832
7833         PR c/19333
7834         * c-decl.c (start_decl): Do not warn about arrays of elements with
7835         an incomplete type here.
7836         (grokdeclarator): Do it here by making a pedwarn an error.
7837         * c-typeck.c (push_init_level): If there were previous errors with
7838         the constructor type, do not warn about braces for initializers.
7839         (process_init_element): Likewise for excess initializer elements.
7840
7841 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7842
7843         * cse.c (delete_trivially_dead_insn): Don't iterate.
7844
7845 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7846
7847         * config/rs6000/rs6000.md (copysignsf3): New expand.
7848         (copysigndf3): Likewise.
7849
7850 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7851
7852         * recog.c (constrain_operands): Only look for earlyclobber operand
7853         conflicts if an '&' constraint was seen.
7854
7855 2005-01-31  Marc Espie <espie@openbsd.org>
7856
7857         * config.gcc: Don't include embedded systems fragment, switches default
7858         debugging format to ELF.
7859         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7860         longer pick it up there.
7861
7862 2005-01-31  Dale Johannesen  <dalej@apple.com>
7863
7864         * doc/extend.texi (nested functions): Fix linkage description.
7865         Clarify that static is not allowed.
7866
7867 2005-01-31  Dale Johannesen  <dalej@apple.com>
7868
7869         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7870         (movdf_low_di):  Make work.
7871
7872 2005-01-31  Dale Johannesen  <dalej@apple.com>
7873
7874         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7875         Make work for 64 bit.
7876
7877 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7878             Dale Johannesen  <dalej@apple.com>
7879
7880         PR middle-end/19650
7881         * fold-const.c (fold_binary_op_with_conditional_arg):
7882         Make types match original operands, before STRIP_NOPS.
7883
7884 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7885
7886         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7887         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7888         (struct gcc_sigcontext): Delete.  Merge contents to..
7889         (struct gcc_ucontext): ..here.
7890         (get_sigcontext): Delete.
7891         (get_regs): New function, like get_sigcontext but return regs ptr.
7892         64-bit version finds regs from r1 to support vdso.
7893         (ppc_linux_aux_vector): New function.
7894         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7895         and vector regs.
7896
7897 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7898
7899         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7900         sizetype.
7901         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7902         redundant fold. Fix misalignment for MINUS_EXPR.
7903         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7904         (vect_analyze_pointer_ref_access): Likewise.
7905         (vect_get_memtag_and_dr): Likewise.
7906
7907 2005-01-31  Richard Henderson  <rth@redhat.com>
7908
7909         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7910         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7911         absnegdf2_i387, absnegxf2_i387): Likewise.
7912
7913 2005-01-31  Richard Henderson  <rth@redhat.com>
7914
7915         PR 19696
7916         * optabs.c (expand_copysign_absneg): New.
7917         (expand_copysign_bit): Split out from ...
7918         (expand_copysign): ... here.  Use expand_copysign_absneg.
7919
7920 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7921
7922         PR middle-end/19697
7923         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7924         constant as the second operand and a register as the third.
7925
7926 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7927
7928         PR target/19704
7929         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7930         that dllimport'd functions do not use all call-clobbered registers
7931         to pass parameters.
7932
7933 2005-01-30  Richard Henderson  <rth@redhat.com>
7934
7935         PR 19696
7936         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7937         expand_abs_nojump and generalize.  Use operand_subword and
7938         emit_no_conflict_block.  Support large modes.
7939         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7940         back to maximum.
7941         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7942         negation to subtraction.
7943         (expand_copysign): Check that the format has signed zeros.
7944         Use operand_subword and emit_no_conflict_block.  Support large modes.
7945
7946 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7947
7948         Fix PR tree-optimization/19624
7949
7950         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7951         * tree-ssa-pre.c: Add cfgloop.h.
7952         Update comment.
7953         (pre_stats): New member, constified.
7954         (inserted_exprs): New static variable.
7955         (NECESSARY): New macro.
7956         (create_expression_by_pieces): Fold the expression, and
7957         mark it as defaulting to not necessary. Also put in
7958         inserted_exprs.
7959         (fully_constant_expression): New function.
7960         (insert_into_preds_of_block): Modify to not insert phis when we
7961         are playing with induction variables.
7962         Push phis onto the inserted_exprs vector, and mark them as not
7963         necessary by default.
7964         (insert_aux): Call fully_constant_expression on eprime.
7965         If all edges produce the same value, mark it constant.
7966         (mark_operand_necessary): New function.
7967         (remove_dead_inserted_code): New function.
7968         (init_pre): Init loop optimizer to get loop info.
7969         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7970         (execute_pre): Commit edge inserts, then remove dead code.
7971
7972 2005-01-30  Richard Henderson  <rth@redhat.com>
7973
7974         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7975         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7976
7977 2005-01-30  Richard Henderson  <rth@redhat.com>
7978
7979         PR target/19700
7980         * config/i386/i386.c (ix86_expand_copysign): New.
7981         (ix86_split_copysign_const): New.
7982         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7983         rearrange op1/nmask operands.
7984         * config/i386/i386-protos.h: Update.
7985         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7986         (copysigndf3): Likewise.
7987         (copysignsf3_const, copysigndf3_const): New.
7988         (copysignsf3_var): Rename from copysignsf3, split out splitter
7989         and fix split predicate for X constraint.
7990         (copysigndf3_var): Similarly.
7991
7992 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7993
7994         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7995         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7996         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7997
7998 2005-01-29  Richard Henderson  <rth@redhat.com>
7999
8000         PR target/19690
8001         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
8002         of # and * in constraints.
8003
8004 2005-01-29  Richard Henderson  <rth@redhat.com>
8005
8006         PR middle-end/19689
8007         * expr.c (store_field): Don't strip sub-mode cast when the input
8008         data is even smaller.
8009
8010 2005-01-29  Richard Henderson  <rth@redhat.com>
8011
8012         PR middle-end/19687
8013         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
8014         union being empty.
8015
8016 2005-01-29  Richard Henderson  <rth@redhat.com>
8017
8018         * combine.c (make_field_assignment): Fix argument order
8019         to gen_int_mode.
8020
8021 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
8022
8023         PR tree-optimization/15791
8024         * fold-const.c (extract_array_ref): New function.
8025         (fold): Fold comparisons between &a[i] and &a[j] or
8026         semantically equivalent trees.
8027
8028 2005-01-29  Jeff Law  <law@redhat.com>
8029
8030         * gcse.c (insert_expr_in_table): Revamp handling of available
8031         and anticipatable occurrence lists to avoid unnecessary list
8032         walking.
8033         (insert_set_in_table): Similarly.
8034
8035 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
8036
8037         * c-common.c (fix_string_type): Just use c_build_qualified_type to
8038         build string type.
8039         (c_build_qualified_type): Build qualified array types with
8040         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
8041         * c-decl.c (c_make_fname_decl): Build unqualified array type
8042         before qualified type.
8043         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
8044         type is qualified, not just if type itself is.  Don't apply
8045         qualifiers to array type when declarator is processed.  Apply
8046         qualifiers to field type whether or not it is an array type.
8047         Don't handle array types specially for applying qualifiers to
8048         variables.
8049         * c-typeck.c (composite_type): Build unqualified element type and
8050         array type when forming composite of array types.
8051         (common_pointer_type, comptypes, comp_target_types,
8052         type_lists_compatible_p, build_indirect_ref, build_array_ref,
8053         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
8054         types.
8055         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
8056         (args2) in variables a1 and a2.
8057
8058 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
8059
8060         * cse.c (n_elements_made, max_elements_made): Remove.
8061         (insert): Don't touch n_elements_made.
8062         (cse_main): Don't touch n_elements_made or max_elements_made.
8063
8064 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
8065
8066         PR target/15384
8067         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
8068         configuration part of dp-bit.c to be lost.
8069
8070 2005-01-28  Roger Sayle  <roger@eyesopen.com>
8071
8072         * expmed.c (expand_mult_highpart_optab): When attempting to use
8073         a non-widening multiplication in a wider mode, the operands need
8074         to be converted (zero or sign extended) to that mode.
8075
8076 2005-01-28  Ian Lance Taylor  <ian@airs.com>
8077
8078         PR middle-end/16558
8079         PR middle-end/19583
8080         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
8081         through if both operands fall through.
8082
8083 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8084
8085         * cse.c (fold_rtx) <PC>: Don't optimize.
8086
8087 2005-01-28  Jeff Law  <law@redhat.com>
8088
8089         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
8090         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
8091
8092 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8093
8094         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
8095         cse_reg_info_used_list_end): Remove.
8096         (cse_reg_info_list, cse_reg_info_list_free): New.
8097         (get_cse_reg_info): When allocating an instance of
8098         cse_reg_info, add it to the beginning of the cse_reg_info_list
8099         list.  Remove code to maintain cse_reg_info_used_list.
8100         (new_basic_block): Reset the free list to the beginning of
8101         cse_reg_info_list.
8102
8103 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
8104
8105         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
8106         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
8107         (frv_expand_mdpackh_builtin): New function.
8108         (frv_expand_builtin): Use it to expand __MDPACKH.
8109         * doc/extend.texi (__MDPACKH): Update documentation.
8110
8111 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
8112
8113         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
8114         SSE_FLOAT_MODE_P for use_sse computation.
8115
8116 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
8117
8118         PR target/19663
8119         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
8120
8121 2005-01-27  Richard Henderson  <rth@redhat.com>
8122
8123         * builtins.c (expand_builtin_copysign): New.
8124         (expand_builtin): Call it.
8125         * genopinit.c (optabs): Add copysign_optab.
8126         * optabs.c (init_optabs): Initialize it.
8127         (expand_copysign): New.
8128         * optabs.h (OTI_copysign, copysign_optab): New.
8129         (expand_copysign): Declare.
8130
8131         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
8132         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
8133
8134         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
8135         (ix86_expand_fp_absneg_operator): ... here.
8136         (ix86_split_copysign): New.
8137         * config/i386/i386-protos.h: Update.
8138         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
8139         (copysignsf3, copysigndf3): New.
8140
8141         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
8142         (copysignsf3, ncopysignsf3): New.
8143         (copysigndf3, ncopysigndf3): New.
8144         (copysignxf3, ncopysignxf3): New.
8145         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
8146
8147 2005-01-27  Arend Bayer  <arend.bayer@web.de>
8148             Kazu Hirata  <kazu@cs.umass.edu>
8149
8150         * cse.c: (find_best_addr): Don't call copy_rtx before calling
8151         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
8152         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
8153         NULL_RTX.
8154
8155 2005-01-27  Jeff Law  <law@redhat.com>
8156
8157         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
8158         definitions of SSA_NAMEs which are not being rewritten.
8159         (rewrite_ssa_into_ssa): Only initialize the current definition
8160         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
8161         If checking is enabled, assert that SSA_NAME_AUX is clear for all
8162         SSA_NAMEs before returning.
8163
8164 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
8165
8166         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
8167         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
8168         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
8169         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
8170         config/mips/iris6.h, config/sh/sh.c: Update copyright.
8171
8172 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8173
8174         PR middle-end/17278
8175         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
8176         higher to -O2 and higher.  Likewise for tree PRE.
8177         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
8178         and better.
8179
8180 2005-01-27  Ian Lance Taylor  <ian@airs.com>
8181
8182         PR middle-end/19583
8183         * gimple-low.c (try_catch_may_fallthru): New static function.
8184         (block_may_fallthru): Handle TRY_CATCH_EXPR.
8185         * tree-inline.c (expand_call_inline): Don't warn about reaching
8186         the end of a non-void function being inlined if the function uses
8187         a return slot.
8188
8189 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
8190
8191         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
8192
8193         PR c/18946
8194         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
8195         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
8196         (implicitly_declare): Handle error_mark_node.
8197
8198 2005-01-27  Richard Henderson  <rth@redhat.com>
8199
8200         PR tree-opt/14329
8201         * tree.h (struct tree_decl): Add debug_expr_is_from.
8202         (DECL_DEBUG_EXPR_IS_FROM): New.
8203         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
8204         * dwarf2out.c (dwarf2out_var_location): Update to match.
8205         * tree-outof-ssa.c (create_temp): Likewise.
8206         * var-tracking.c (track_expr_p): Likewise.
8207         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
8208         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
8209         * toplev.c (default_tree_printer): Likewise.
8210
8211 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
8212
8213         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
8214         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
8215
8216 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8217
8218         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
8219         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
8220         ASM_CLOBBERS): Add tree checks.
8221
8222         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
8223         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
8224         * c-common.def (SWITCH_STMT): Update to match.
8225         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
8226         macros instead of SWITCH_EXPR ones.
8227         * c-dump.c (c_dump_tree): Likewise.
8228         * c-gimplify.c (gimplify_switch_stmt): Likewise.
8229         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
8230
8231         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
8232
8233 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
8234
8235         * unwind-dw2.c (execute_stack_op): Add missing cases for
8236         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
8237
8238 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
8239
8240         * config.gcc (Obsolete configurations): Remove 'dummy', add
8241         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
8242         sparc-*-openbsd*.
8243
8244 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
8245
8246         PR tree-optimization/19633
8247         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
8248         CALL_EXPRs.
8249         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
8250         are no call-clobbered variables.
8251         * tree-outof-ssa.c (check_replaceable): Return false for calls
8252         with side-effects.
8253
8254 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
8255
8256         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
8257         even for variables with NULL DECL_INITIAL.
8258
8259 2005-01-26  Stuart Hastings  <stuart@apple.com>
8260
8261         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
8262
8263 2005-01-26  Richard Henderson  <rth@redhat.com>
8264
8265         PR middle-end/18008
8266         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8267         field's type.
8268         * expr.c (store_field): Strip conversions to odd-bit-sized types
8269         if the destination field width matches.
8270
8271 2005-01-26  Richard Henderson  <rth@redhat.com>
8272
8273         * c-decl.c, expmed.c, expr.c: Revert last change.
8274
8275 2005-01-26  Richard Henderson  <rth@redhat.com>
8276
8277         PR middle-end/18008
8278         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8279         field's type.
8280         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
8281         if we don't need the bits above those present in the current mode.
8282         * expr.c (store_field): Strip conversions to odd-bit-sized types
8283         if the destination field width matches.
8284
8285 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8286
8287         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8288         either -ffast-math or -funsafe-math-optimizations is in use.
8289
8290 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8291
8292         PR target/19293
8293         PR target/19329
8294         * config/avr/avr.c (notice_update_cc): Only set condition code for
8295         ashrqi3 if shift count > 0.
8296         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
8297         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
8298         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
8299         count <= 0 as a no-op, and shift count >= width by copying zero
8300         or sign bit to all bits of the result.
8301         * config/avr/avr.md (all shifts): Add alternatives for zero shift
8302         count, with attribute "length" set to 0 and "cc" set to "none".
8303
8304 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8305
8306         * doc/invoke.texi: Document -mTLS.
8307
8308         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
8309         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
8310         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
8311         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
8312         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
8313         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
8314         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
8315         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
8316
8317         * configure.ac: Check for a TLS capable gas.
8318
8319         * configure: Regenerate.
8320
8321 2005-01-26  Richard Henderson  <rth@redhat.com>
8322
8323         PR middle-end/18008
8324         * combine.c (make_field_assignment): Simplify store to zero_extract
8325         from a source with an overlapping mask.
8326
8327 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8328
8329         2004-11-11  Eric Christopher  <echristo@redhat.com>
8330
8331         * config/frv/frv.md: Add fr400_integer automaton. Don't
8332         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
8333         to TYPE_MACC.
8334
8335 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8336
8337         PR middle-end/16585
8338         * cfgbuild.c (make_edges): Do not clear or set
8339         current_function_has_computed_jump.
8340         * function.h (struct function): Remove the has_computed_jump field.
8341         (current_function_has_computed_jump): Do not define.
8342         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
8343         in a computed jump.  Ignore current_function_has_computed_jump.
8344
8345 2005-01-26  Richard Henderson  <rth@redhat.com>
8346
8347         PR middle-end/19515
8348         * expr.c (categorize_ctor_elements): New argument p_must_clear.
8349         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
8350         fully initialized.
8351         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
8352         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
8353         objects into static storage if they have more than one non-zero value.
8354         * tree.h (categorize_ctor_elements): Update decl.
8355
8356 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8357
8358         PR middle-end/19616
8359         * tree.h (CALL_EXPR_TAILCALL): Add comment.
8360         * calls.c (check_sibcall_argument_overlap_1): Revert the change
8361         to this function from 2004-07-10.
8362         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
8363         the current function for tail call optimizations if the address
8364         of one of it its arguments is taken.
8365
8366 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
8367
8368         * cse.c (fold_rtx): Call equiv_constant only when necessary.
8369
8370 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8371
8372         * function.c (expand_function_end): If current_function_calls_alloca,
8373         emit stack restore in a place that is reached when the function falls
8374         through at the end.
8375
8376 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
8377
8378         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
8379         rule to avoid matching inappropriate suffix rule.
8380
8381 2005-01-26  Jan Hubicka  <jh@suse.cz>
8382
8383         PR tree-optimization/19241
8384         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
8385
8386 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8387
8388         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
8389         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
8390         of doubling.
8391         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
8392         <sim*>: Always use crt1.o, regardless of N in simN.
8393         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8394         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
8395         (CRT_CALL_STATIC_FUNCTION): Remove.
8396         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
8397         use crt1.o, regardless of N in simN.
8398         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8399         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
8400         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
8401         case isystem setting.
8402         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
8403
8404 2005-01-25  Ian Lance Taylor  <ian@airs.com>
8405
8406         * gimple-low.c (block_may_fallthru): Correct handling of
8407         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
8408
8409 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8410
8411         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
8412         handlers to match indentation; nested under the mtune=* handler.
8413         Similar for mcpu= and march=.
8414
8415 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
8416
8417         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
8418         * config/mips/linux64.h (LIB_SPEC): Likewise.
8419         * config/mn10300/linux.h (LIB_SPEC): Likewise.
8420         * config/sh/linux.h (LIB_SPEC): Likewise.
8421
8422 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
8423
8424         * config/frv/frv.c (frv_legitimize_tls_address): New.
8425         (TARGET_HAVE_TLS): Define.
8426         (FRV_SYMBOL_REF_TLS_P): Define.
8427         (frv_override_options): Handle new register classes.
8428         (frv_legitimate_address_p): Reject tls addresses.
8429         (frv_legitimize_address): Handle TLS addresses.
8430         (gen_inlined_tls_plt): New.
8431         (gen_tlsmoff): New.
8432         (frv_legitimize_tls_address): New.
8433         (unspec_got_name): Add TLS entries.
8434         (got12_operand): Add R_FRV_TLSMOFF12 case.
8435         (frv_emit_move): Fixup TLS addresses.
8436         (frv_emit_movsi): Legitimize TLS addresses.
8437
8438         * config/frv/frv.h (MASK_BIG_TLS): New.
8439         (TARGET_BIG_TLS): New.
8440         (HAVE_AS_TLS): Define.
8441         (TARGET_SWITCHES): Add -mTLS and -mtls options.
8442         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
8443         (REG_CLASS_NAMES): Same.
8444         (REG_CLASS_CONTENTS): Same.
8445         (CONSTRAINT_LEN): New.
8446         (REG_CLASS_FROM_CONSTRAINT): New.
8447         (PREDICATE_CODES): Add symbolic_operand.
8448
8449         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
8450         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
8451         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
8452         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
8453         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
8454         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
8455         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
8456         GR9_REG, GR14_REG, LRREG.
8457         (type): Add load_or_call attribute.
8458         ("load_or_call"): New reservation.
8459         ("call_gettlsoff"): New.
8460         ("tls_indirect_call"): New.
8461         ("tls_load_gottlsoff12"): New.
8462         ("tlsoff_hilo"): New.
8463         ("tls_tlsdesc_ldd"): New.
8464         ("tls_tlsoff_ld"): New.
8465         ("tls_lddi"): New.
8466
8467         * config/frv/frv-protos.h (symbolic_operand): Protoize.
8468
8469         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
8470
8471         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
8472         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
8473         * config/frv/frv.c (TLS_BIAS): Define.
8474         (frv_output_dwarf_dtprel): New.
8475
8476 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
8477
8478         PR rtl-optimization/19579
8479         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
8480         both A and B, see if they don't clobber registers the other expr uses.
8481
8482 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
8483
8484         * real.c (do_add): Initialize signalling and canonical members.
8485
8486         * real.c (real_from_integer): Zero out destination.
8487
8488 2005-01-18  Jan Hubicka  <jh@suse.cz>
8489
8490         PR tree-optimize/19337
8491         * tree-inline.c (initialize_inlined_parameters): Copy
8492         saved_static_chain_decl only.
8493
8494 2005-01-25  Richard Henderson  <rth@redhat.com>
8495
8496         PR target/19556
8497         PR target/19584
8498         * config/i386/i386.c (x86_inter_unit_moves): Zero.
8499         (ix86_preferred_reload_class): Rewrite fp-constant section, with
8500         80387 enabled, to return a proper subclass.  Return the subset that
8501         overlaps with GENERAL_REGS for PLUS.
8502         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
8503
8504 2005-01-25  Richard Henderson  <rth@redhat.com>
8505
8506         PR middle-end/19609
8507         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
8508
8509 2005-01-25  Roger Sayle  <roger@eyesopen.com>
8510
8511         * expmed.c (choose_multiplier): Change interface to return the
8512         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
8513         (expand_divmod): Update calls to choose_multiplier.
8514
8515 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8516
8517         PR middle-end/19330
8518         * expmed.c (extract_bit_field): Use adjust_address instead of
8519         gen_lowpart when op0 is a MEM.
8520
8521 2005-01-24  Steven Bosscher  <stevenb@suse.de>
8522
8523         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
8524
8525 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8526
8527         * config/mips/irix-csr.c: New file.
8528         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8529         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8530         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8531         executables.
8532
8533 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
8534
8535         PR bootstrap/19364
8536         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
8537         sparc/elf.h, add sparc/sp-elf.h.
8538         (sparc-*-rtems*): Likewise.
8539         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
8540         tm-dwarf2.h, add sparc/sp-elf.h.
8541         (sparc86x-*-elf): Likewise.
8542         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
8543         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
8544         TARGET_OS_CPP_BUILTINS.
8545         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8546         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8547         Undefine it.
8548         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
8549         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
8550         (SWITCH_TAKES_ARG): Likewise.
8551         (LOCAL_LABEL_PREFIX): Likewise.
8552         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8553         (TARGET_N_FORMAT_TYPES): Delete.
8554         (TARGET_FORMAT_TYPES): Likewise.
8555         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8556         * config/sparc/elf.h: Delete.
8557         * config/sparc/sp-elf.h: New file.
8558
8559 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8560
8561         * tree-flow-inline.h (phi_arg_from_edge): Remove.
8562         * tree-flow.h: Remove the corresponding prototype.
8563         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
8564         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
8565
8566 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8567
8568         PR target/17751
8569         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
8570         for AIX ABI or ELF -fPIC.
8571         (rs6000_emit_load_toc_table): Don't create toc_section here.
8572         (rs6000_xcoff_file_start): Nor here.
8573
8574 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
8575
8576         * sh.c (ra.h): Don't #include.
8577         (hard_regs_intersect_p): New function, resurrected from ra.c.
8578
8579         * sh.c: Fix 1996 Copyright.
8580
8581 2005-01-24  Richard Henderson  <rth@redhat.com>
8582             Aldy Hernandez  <aldyh@redhat.com>
8583
8584         * regrename.c (note_sets): Handle subregs.
8585
8586 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
8587
8588         PR bootstrap/18058
8589         * genconditions.c (write_header, write_conditions): Elide file if
8590         not GCC >= 3.0.1.
8591
8592 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8593
8594         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
8595         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
8596         Update copyright.
8597
8598 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8599
8600         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
8601         expand_builtin_printf, expand_builtin_fprintf,
8602         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
8603         checking against POINTER_TYPE.
8604         (validate_arglist): Handle POINTER_TYPE code by checking
8605         POINTER_TYPE_P.
8606
8607 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
8608
8609         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
8610         init_rtlanal): New.
8611         (for_each_rtx): Call for_each_rtx_1.
8612         * rtl.h (init_rtlanal): Declare.
8613         * toplev.c (backend_init): Call init_rtlanal.
8614
8615 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8616
8617         * flow.c (propagate_one_insn): Formatting.
8618
8619         PR middle-end/19551
8620         * flow.c (libcall_dead_p): Be more conservative if unsure.
8621         If there are any instructions between insn and call, see if they are
8622         all dead before saying the libcall is dead.
8623
8624 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
8625
8626         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
8627         operand constraint for operand 0.
8628
8629 2005-01-23  Richard Henderson  <rth@redhat.com>
8630
8631         PR 19486
8632         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
8633         edges leading to join block.
8634
8635 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8636
8637         * expmed.c (expand_mult_highpart): Make static.  Change type of
8638         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
8639         (expand_divmod): Updates calls to expand_mult_highpart by using
8640         gen_int_mode to pass a CONST_INT rtx.
8641         * rtl.h (expand_mult_highpart): Remove prototype.
8642
8643 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8644
8645         * flow.c (regset_bytes, regset_size): Remove.
8646
8647         * cfganal.c: Fix a reference to Harvey's paper.
8648
8649 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8650
8651         PR rtl-optimization/19464
8652         * tree-optimize.c (init_tree_optimization_passes): Add one more
8653         copyrename pass just before out-of-ssa.
8654
8655 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
8656
8657         PR bootstrap/18058
8658         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
8659         * ggc-none.c (ggc_free): Define.
8660
8661 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8662
8663         * cse.c (max_reg, max_insn_uid): Remove.
8664         (cse_main): Don't access max_reg or max_insn_uid.
8665
8666         * c-common.c (explicit_flag_signed_bitfields,
8667         lang_statement_code_p, lang_expand_function_end): Remove.
8668         * c-common.h: Remove the corresponding declarations.
8669         * c-opts.c (c_common_handle_option): Remove all write access
8670         to explicit_flag_signed_bitfields.
8671
8672         * cgraph.c (cgraph_varpool_n_nodes): Remove.
8673         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
8674         * cgraph.h: Remove the corresponding declaration.
8675
8676         * gcse.c (null_pointer_info): Remove.
8677
8678 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8679             Eric Botcazou  <ebotcazou@libertysurf.fr>
8680
8681         * combine.c (simplify_logical): Only simplify logical expressions
8682         of the form ior(and(x,y),z) by the inverse distributive law if the
8683         result is cheaper than the original.
8684
8685 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8686
8687         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
8688         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
8689         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
8690         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
8691         config/freebsd-spec.h, config/arm/arm.h,
8692         config/h8300/h8300.md, config/i386/i386.md,
8693         config/i386/predicates.md, config/i386/sse.md,
8694         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
8695         config/vax/vax.md: Fix comment typos.  Follow spelling
8696         conventions.
8697
8698 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8699
8700         * gengtype.c (walk_type): Produce `not equal to' compares for loop
8701         tests, instead of `less than'.
8702
8703 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
8704
8705         * function.c (assign_parm_setup_block): When creating a new stack slot
8706         for a parameter, get its alignment from the parameter's DECL_ALIGN
8707         rather than the type's TYPE_ALIGN.  Make sure that the parameter
8708         is at least word aligned.
8709
8710 2005-01-22  Roger Sayle  <roger@eyesopen.com>
8711
8712         PR middle-end/19378
8713         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
8714
8715 2005-01-22  Richard Henderson  <rth@redhat.com>
8716
8717         PR target/19506
8718         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
8719         in both compare operands.
8720         (movdfcc_1_sse_max): Likewise.
8721         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
8722         (movdfcc_1_sse): Likewise.
8723         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
8724         scratch register as needed.
8725
8726 2005-01-22  Richard Henderson  <rth@redhat.com>
8727
8728         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
8729
8730         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
8731
8732 2005-01-22  Richard Henderson  <rth@redhat.com>
8733
8734         * genopinit.c (optabs): Use smin/smax for floating point too.
8735         * doc/md.texi: Update to match.  Clarify that floating point
8736         results are undefined for +0/-0 and NaN.
8737         * doc/rtl.texi: Likewise.
8738         * rtl.def (SMIN, SMAX): Likewise
8739         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8740
8741         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8742         leading 's' to the name.
8743         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8744         smaxxf3, sminxf3): Likewise.
8745         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8746         Likewise.
8747
8748 2005-01-22  Paul Brook  <paul@codesourcery.com>
8749
8750         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8751
8752 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8753
8754         * config/s390/s390.c (struct processor_costs): New fields
8755         dlgr, dlr, dr, dsgfr, dsgr.
8756         (z900_cost, z990_cost): Values for new fields.
8757         (s390_rtx_costs): New cases MEM und COMPARE in switch
8758         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8759         DIV, MOD, UDIV, UMOD.
8760
8761 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8762
8763         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8764         into the register being decremented.
8765         ("doloop_si31", "doloop_di"): Likewise.
8766         ("*doloop_si_long"): Adapt pattern.
8767
8768 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8769
8770         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8771         access registers.
8772         (CLASS_MAX_NREGS): Likewise.
8773
8774 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8775
8776         * doc/tree-ssa.texi (Statement Operands): Add example for new
8777         must-def macro. Note deprecation of old operands interface.
8778
8779 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8780
8781         PR tree-optimization/19484
8782         * tree-cfg.c (remove_fallthru_edge): New function.
8783         (cleanup_control_flow): Remove fallthru edges from calls that are
8784         now known not to return.
8785
8786 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8787
8788         Fix PR tree-optimization/19038
8789         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8790         copies with loop variant ones.
8791
8792 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8793
8794         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8795         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8796         config/alpha/alpha.md, config/alpha/predicates.md,
8797         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8798         config/sparc/sol2.h: Update copyright.
8799
8800         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8801         first label to see if it is a nonlocal label.
8802
8803 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8804             Andrew Pinski  <pinskia@physics.uc.edu>
8805
8806         PR target/19491
8807         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8808         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8809
8810 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8811
8812         * config/rs6000/rtems.h: Update copyright.
8813
8814 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8815
8816         PR target/19548
8817         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8818         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8819         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8820
8821 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8822
8823         PR c/18809
8824         * c-typeck.c (convert_arguments): Check for error_mark_node.
8825
8826 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8827
8828         PR tree-optimization/13000
8829         * tree-inline.c: Include "tree-flow.h".
8830         (expand_call_inline): If warn_return_type, warn if non-void inline
8831         function falls through.
8832         * tree-cfg.c (execute_warn_function_return): Don't warn about
8833         control reaching end if TREE_NO_WARNING is set.  Set
8834         TREE_NO_WARNING.
8835         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8836         has been lowered.
8837         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8838         branch if we don't need one.
8839         * c-typeck.c: Include "tree-flow.h"
8840         (c_finish_bc_stmt): Don't add a goto if the current statement
8841         list doesn't fall through to the current point.
8842
8843 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8844
8845         PR rtl-optimization/576
8846         * real.c (real_arithmetic): Change return type from void to bool
8847         to return an indication that the result may be inexact.
8848         * real.h (real_arithmeric): Update prototype.
8849         * fold-const.c (const_binop):  Don't constant fold floating
8850         point expressions when the user specifies -frounding-math and
8851         the result may depend upon the run-time rounding mode.
8852         (fold_convert_const_real_from_real): Clean-up.
8853         (fold_initializer): Ignore flag_rounding_math for initializers.
8854         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8855         constant fold FP operations with flag_rounding_math if the
8856         result may depend upon the run-time rounding mode.
8857
8858 2005-01-21  Tom Tromey  <tromey@redhat.com>
8859
8860         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8861
8862 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8863
8864         * tree-cfg.c: Fix comment typos.
8865
8866 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8867
8868         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8869         around the call to rest_of_handle_branch_target_load_optimize.
8870
8871 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8872
8873         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8874         (sparc64-*-openbsd*): Likewise.
8875         (sparclite-*-elf*): Include tm-dwarf2.h.
8876         (sparc86x-*-elf*): Likewise.
8877         (sparc64-*-elf*): Likewise.
8878         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8879         (DBX_DEBUGGING_INFO): Likewise.
8880         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8881         (PREFERRED_DEBUGGING_TYPE): Likewise.
8882         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8883         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8884         (PREFERRED_DEBUGGING_TYPE): Likewise.
8885         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8886         (PREFERRED_DEBUGGING_TYPE): Likewise.
8887         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8888
8889 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8890
8891         PR target/18701
8892         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8893
8894 2005-01-20  Paul Brook  <paul@codesourcery.com>
8895
8896         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8897
8898 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8899
8900         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8901         label is first in a sequence of labels.
8902
8903         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8904
8905 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8906             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8907
8908         * doc/sourcebuild.texi (Test Directives): New.
8909
8910 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8911
8912         * real.c (real_floor): Don't leave the result uninitialized when
8913         mode is VOIDMode, but return the unrounded intermediate value.
8914         (real_ceil): Likewise.
8915
8916 2005-01-20  Paul Brook  <paul@codesourcery.com>
8917
8918         * config/arm/arm.md (insv): Use gen_int_mode.
8919
8920 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8921
8922         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8923         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8924         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8925         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8926         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8927
8928 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8929
8930         Fix PR debug/19124
8931         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8932         fbreg, so we have to assume we can't.
8933         (loc_descriptor_from_tree_1): Ditto.
8934         (containing_function_has_frame_base): New function.
8935         (add_location_or_const_value_attribute): Use it.
8936         Also try to generate a frame_base from a single element location
8937         list.
8938
8939 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8940
8941         PR tree-optimization/15349
8942         * timevar.def (TV_TREE_MERGE_PHI): New.
8943         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8944         PHI_WANTED.
8945         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8946         calls to tree_forwarder_block_p.
8947         (remove_forwarder_block_with_phi, merge_phi_nodes,
8948         gate_merge_phi, pass_merge_phi): New.
8949         * tree-optimize.c (init_tree_optimization_passes): Add
8950         pass_merge_phi.
8951         * tree-pass.h: Add an extern for pass_merge_phi;
8952
8953 2005-01-20  Richard Henderson  <rth@redhat.com>
8954
8955         PR target/19418
8956         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8957         (_mm_castps_pd, _mm_castps_si128): New.
8958         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8959
8960 2005-01-20  Richard Henderson  <rth@redhat.com>
8961
8962         PR target/19530
8963         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8964         __builtin_ia32_vec_init_v2si.
8965         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8966         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8967         (ix86_init_mmx_sse_builtins): Create it.
8968         (ix86_expand_builtin): Expand it.
8969         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8970         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8971         (vec_extractv2si_0, vec_extractv2si_1): New.
8972
8973 2005-01-20  Richard Henderson  <rth@redhat.com>
8974
8975         PR target/16533
8976         * config/i386/i386.c (ix86_expand_push): New.
8977         * config/i386/mmx.md (push<MMXMODE>1): New.
8978         * config/i386/sse.md (push<SSEMODE>1): New.
8979         * config/i386/i386-protos.h: Update.
8980
8981 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8982
8983         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8984         copyright.
8985
8986 2005-01-20  Richard Henderson  <rth@redhat.com>
8987
8988         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8989         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8990
8991 2005-01-19  Richard Henderson  <rth@redhat.com>
8992
8993         PR target/19350
8994         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8995         to V4SFmode in SSE1 fallback load path.
8996
8997 2005-01-19  Richard Henderson  <rth@redhat.com>
8998
8999         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
9000         in QImode expansion to ix86_expand_vector_set.
9001         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
9002
9003 2005-01-19  Richard Henderson  <rth@redhat.com>
9004
9005         PR target/19511
9006         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
9007         subclass of the input class.
9008         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
9009         Always true for cross-SSE1 classes.  Rationalize conditionals.
9010         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
9011         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
9012         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
9013         (movdi_2): Add MMX/SSE zeros.
9014         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
9015         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
9016         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
9017         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
9018         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
9019         (zero_extendsidi2_rex64_1): Remove.
9020         (MOV0 peephole): Check GENERAL_REG_P.
9021
9022 2005-01-19  Richard Henderson  <rth@redhat.com>
9023
9024         PR target/19427
9025         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
9026         shufps elements.
9027         (ix86_expand_vector_extract): Likewise.
9028
9029 2005-01-19  Richard Henderson  <rth@redhat.com>
9030
9031         PR middle-end/19304
9032         * expr.c (emit_move_change_mode): New argument force; use
9033         simplify_gen_subreg if true.
9034         (emit_move_via_alt_mode): Merge into ...
9035         (emit_move_via_integer): ... here.
9036         (emit_move_ccmode): Use emit_move_change_mode directly.
9037
9038 2005-01-19  Richard Henderson  <rth@redhat.com>
9039
9040         PR target/19518
9041         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
9042         (alpha_preferred_reload_class): Handle CONST_VECTOR.
9043         (alpha_emit_set_const_1): Add no_output parameter; don't emit
9044         rtl if true.
9045         (alpha_emit_set_const): Likewise.  Make static.
9046         (alpha_emit_set_long_const): Make static.
9047         (alpha_extract_integer): Split out from alpha_expand_mov.
9048         (alpha_split_const_mov): Likewise.
9049         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
9050         (alpha_legitimate_constant_p): New.
9051         * config/alpha/alpha-protos.h: Update.
9052         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
9053         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
9054         * config/alpha/alpha.md (movsi): Add n alternative.
9055         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
9056         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
9057         (splitters for all of the above): Use alpha_split_const_mov.
9058         * config/alpha/predicates.md (non_add_const_operand): New.
9059         (non_zero_const_operand): New.
9060         (input_operand): Use alpha_legitimate_constant_p after reload.
9061
9062 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9063
9064         PR tree-optimization/19038
9065         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
9066         (add_candidate): Add ivs with increment in latch only if
9067         allow_ip_end_pos_p is true.
9068         (determine_iv_cost): Use empty_block_p.
9069
9070 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
9071
9072         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
9073         (compute_dominance_frontiers): Ditto.
9074
9075 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
9076
9077         PR target/19529
9078         * config/sh/t-rtems: New.
9079         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
9080
9081 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9082
9083         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
9084         the offset of the selected field.
9085
9086 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
9087
9088         * tree-cfg.c (remove_forwarder_block): Fix the check to
9089         prevent a nonlocal label from appearing in the middle of a
9090         basic block.
9091
9092 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
9093
9094         PR rtl-optimization/19462
9095         * reorg.c (find_end_label): Create return insn only if
9096         current_function_epilogue_delay_list is empty.
9097
9098 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
9099
9100         * doc/passes.texi: Remove paragraph mentioning new-ra.
9101
9102 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
9103
9104         PR rtl-optimization/15139
9105         * combine.c: Include params.h.
9106         (count_rtxs): New function.
9107         (record_value_for_reg): If replace_rtx would replace at least
9108         2 occurrences of REG in VALUE and TEM is really large, replace REG with
9109         (clobber (const_int 0)) instead of TEM.
9110         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
9111         * params.h (MAX_LAST_VALUE_RTL): New.
9112         * Makefile.in (combine.o): Depend on $(PARAMS_H).
9113         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
9114
9115         PR c/17297
9116         * c-typeck.c (digest_init): Only call build_vector if all constructor
9117         elements are *_CST nodes.
9118         * gimplify.c (gimplify_init_constructor): Likewise.
9119
9120         PR middle-end/19164
9121         * c-typeck.c (digest_init): Only call build_vector if inside_init
9122         is a CONSTRUCTOR.
9123
9124 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9125
9126         * toplev.c (init_asm_output): Remove dead #ifdef.
9127
9128 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9129
9130         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
9131
9132 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9133
9134         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
9135         accessing DECL_FUNCTION_CODE.
9136         * dojump.c (do_jump): Likewise.
9137         * gimplify.c (gimplify_call_expr): Likewise.
9138         * predict.c (expr_expected_value): Likewise.
9139         (strip_builtin_expect): Likewise.
9140         * tree-inline.c (estimate_num_insns_1): Likewise.
9141         * tree-ssa-loop-im.c (stmt_cost): Likewise
9142         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
9143         (tree_expr_nonnegative_p): Likewise.
9144
9145 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9146
9147         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
9148         variant of the load_pcrel_sym pattern.
9149         * config/sparc/sparc.md (P macro): Move to the top.
9150         (load_pcrel_sym): Macroize using P.
9151         (save_register_window): Likewise.
9152
9153 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
9154
9155         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
9156         ("sordered"): Same.
9157
9158 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
9159
9160         PR C/19472
9161         * c-typeck.c (build_asm_expr): Strip nops off
9162         input memory operands.
9163
9164 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
9165
9166         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
9167         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
9168         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
9169         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
9170
9171 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
9172
9173         PR target/19379
9174         * config/i386/i386.c (override_options): If the 80387 is disabled,
9175         then do not return FP values using FP registers.
9176
9177 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
9178
9179         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
9180         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
9181         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
9182         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
9183         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
9184         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
9185         output.h, postreload-gcse.c, postreload.c, recog.c,
9186         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
9187         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
9188         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
9189         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
9190         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
9191         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
9192         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
9193         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
9194
9195         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
9196         config/alpha/alpha.c, config/arm/vfp.md,
9197         config/i386/emmintrin.h, config/i386/i386-modes.def,
9198         config/i386/i386-protos.h, config/i386/i386.h,
9199         config/i386/pmmintrin.h, config/i386/ppro.md,
9200         config/i386/predicates.md, config/i386/xmmintrin.h,
9201         config/i860/i860.c, config/ia64/ia64-modes.def,
9202         config/ia64/ia64-protos.h, config/ia64/ia64.h,
9203         config/ia64/ia64.md, config/ia64/itanium1.md,
9204         config/ia64/itanium2.md, config/ia64/predicates.md,
9205         config/iq2000/iq2000.h, config/mips/linux64.h,
9206         config/rs6000/aix41.h, config/rs6000/aix43.h,
9207         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
9208         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9209         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
9210         config/sparc/linux64.h, config/sparc/litecoff.h,
9211         config/sparc/sp64-elf.h, config/sparc/sparc.c,
9212         config/sparc/sparc.h, config/sparc/sparc.md,
9213         config/sparc/sysv4-only.h: Update copyright.
9214
9215 2005-01-18  Richard Henderson  <rth@redhat.com>
9216
9217         PR target/19496
9218         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
9219
9220 2005-01-18  Marc Espie  <espie@openbsd.org>
9221         * config/i386/openbsdelf.h: Typo.
9222
9223 2005-01-18  Richard Henderson  <rth@redhat.com>
9224
9225         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
9226         special case for sse.
9227         * config/i386/predicates.md (sse_comparison_operator): Likewise.
9228
9229 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
9230
9231         * tree-inline.c (estimate_num_insns_1): Added cases for
9232         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
9233
9234 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9235
9236         PR rtl-optimization/19296
9237         * combine.c (simplify_comparison): Rewrite the condition under
9238         which a non-paradoxical SUBREG of a PLUS can be lifted when
9239         compared against a constant.
9240
9241 2005-01-18  Andi Kleen <ak@muc.de>
9242
9243         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
9244         * c.opt (-Wpointer-sign): Add.
9245         * doc/invoke.texi: (-Wpointer-sign): Add.
9246
9247 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9248
9249         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
9250         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
9251         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
9252         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
9253         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
9254         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
9255         for TARGET_MIX_SSE_I387.
9256         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
9257         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
9258         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
9259         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
9260         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
9261         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
9262         TARGET_MIX_SSE_I387.
9263         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
9264         from expander.
9265
9266 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9267
9268         PR target/19424
9269         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
9270         Add movaps alternative for xmm reg->reg move.
9271
9272 2005-01-17  Jeff Law  <law@redhat.com>
9273
9274         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
9275         at the end of the main DOM loop rather than just before DOM exits.
9276
9277 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
9278
9279         PR tree-optimization/19121
9280         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
9281         adding aliases to a name tag, also add them to the pointer's
9282         type tag.
9283         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
9284         sensitive alias info at all.  Only check that the two pointers
9285         have compatible pointed-to sets.
9286         * tree-ssa.c (verify_name_tags): Verify that the alias set of
9287         a pointer's type tag is a superset of the alias set of the
9288         pointer's name tag.
9289
9290 2005-01-17  James E Wilson  <wilson@specifixinc.com>
9291
9292         PR target/19357
9293         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
9294         comment to document why.
9295
9296 2005-01-17  Richard Henderson  <rth@redhat.com>
9297
9298         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
9299         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
9300         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
9301         sse2_vmsminv2df3_finite): New.
9302         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
9303         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
9304         Force op1 into register.
9305
9306 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
9307
9308         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
9309         bubblestrap from always rebuilding build directory.
9310
9311 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
9312
9313         * config/s390/s390.md ("*clc"): Remove incorrect '='.
9314         ("*cmpmem_short"): Likewise.
9315
9316 2005-01-17  Steven Bosscher  <stevenb@suse.de>
9317
9318         * basic-block.h: Document BB_* flags.
9319         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
9320         use an sbitmap instead.
9321         * sched-rgn.c (compute_trg_info): Likewise.
9322
9323 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
9324
9325         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
9326         redundant target_cpu_default and extra_parts lines.  Use the default
9327         "from-abi" ISA.
9328         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
9329         (SUBTARGET_EXTRA_SPECS): Delete.
9330         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
9331         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
9332         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
9333         and "n32" for -mabi=n32.
9334
9335 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9336
9337         PR c/5675
9338         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
9339         fold constant variables into initial values.
9340
9341 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9342
9343         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
9344
9345         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
9346         through the statements backward.
9347
9348 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9349
9350         PR middle-end/13127:
9351         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
9352         a variable set to the return value of the inlined function.
9353
9354 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
9355
9356         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
9357         when modes are tieable.
9358
9359 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
9360
9361         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
9362         of pthread_create to find out if threads are enabled.
9363         * gthr-posix95.h (__gthread_active_p): Likewise.
9364
9365 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
9366
9367         * common.opt (-fnew-ra): Remove.
9368         * ra*.*: Remove.
9369         * toplev.h (flag_new_regalloc): Remove.
9370         * Makefile.in (ra*.*): Don't mention.
9371         * passes.c (rest_of_handle_new_regalloc): Remove.
9372         (rest_of_handle_combine, rest_of_compilation): Always consider
9373         flag_new_regalloc as false.
9374         * doc/invoke.texi: Don't document -fnew-ra.
9375
9376 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
9377
9378         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
9379         last parameter to reg_scan.
9380         * loop.c (loop_optimize): Likewise.
9381         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
9382         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
9383         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9384         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9385         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
9386         * regclass.c (reg_scan): Likewise, for the declaration.
9387         * rtl.h (reg_scan): Likewise, for the prototype.
9388
9389 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9390
9391         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
9392         mark_dfs_back_edges.
9393
9394 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
9395
9396         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
9397         (compute_avail): Uses don't go in tmp_gen.
9398
9399 2005-01-16  Steven Bosscher  <stevenb@suse.de>
9400
9401         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
9402         loop to look for a free slot in a page entry.
9403
9404 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9405
9406         PR target/16304
9407         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
9408         * toplev.c (compile_file): Call process_pending_assemble_output_defs
9409         just before targetm.asm_out.file_end.
9410         * tree.h (process_pending_assemble_output_defs): Declare.
9411         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
9412         New functions.
9413         (assemble_alias): Defer generation of assembly code for defines when
9414         TARGET_DEFERRED_OUTPUT_DEFS is true.
9415         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9416         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9417         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
9418
9419 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9420
9421         PR target/19336
9422         * pa.c (pa_scalar_mode_supported_p): New function.
9423         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9424         * pa.h (MIN_UNITS_PER_WORD): Add comment.
9425
9426         * pa-protos.h (prefetch_operand): Delete.
9427         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
9428         * pa.c (prefetch_operand): Delete.
9429         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
9430         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
9431         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
9432         and prefetch_nocc_operand.
9433         * pa.md (prefetch): Rework to avoid reload problems handling short
9434         displacements when a cache control completer needs to be provided.
9435         (prefetch_32, prefetch_64): Delete.
9436         (prefetch_cc, prefetch_nocc): New patterns.
9437
9438 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
9439
9440         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
9441
9442 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9443
9444         PR ada/19388
9445         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
9446         exceeds maximum alignment for global common data.
9447         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
9448         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
9449
9450 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9451
9452         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
9453
9454 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9455
9456         * harg-reg-set.h (reg_class_names): Prototype global array.
9457         * regclass.c (reg_class_names): Declare here and initialize to
9458         REG_CLASS_NAMES.
9459         (dump_regclass): Remove local declaration of reg_class_names.
9460         (regclass): Likewise.
9461         * cfg.c (dump_flow_info): Likewise.
9462         * ra-debug.c (reg_class_names): Likewise.
9463         * regrename.c (reg_class_names): Likewise.
9464         * reload.c (reg_class_names): Likewise.
9465         * reload1.c (spill_failure): Likewise.
9466         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
9467
9468 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
9469
9470         * config/s390/s390.md ("reload_outti"): Remove predicate for
9471         output operand.  Abort if operand is not a MEM.
9472         ("reload_outdi", "reload_outdf"): Likewise.
9473
9474 2005-01-15  Marc Espie  <espie@openbsd.org>
9475
9476         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
9477         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
9478         * config/openbsd.h:  Fix C++ includes for native configurations.
9479         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
9480         Add trampoline support.
9481         * config/i386/openbsdelf.h: New.
9482
9483 2005-01-15  Marc Espie  <espie@openbsd.org>
9484
9485         * collect2.c (main): Explicitly parse -dynamic-linker option.
9486
9487 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
9488
9489         PR tree-optimization/19060
9490         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
9491         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
9492         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
9493         and handle extract_range_from_cond returning false.
9494         * fold-const.c (fold): Optimize comparisons with min/max even for
9495         width > HOST_BITS_PER_WIDE_INT.
9496
9497 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
9498
9499         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
9500         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
9501         Remove little endian multilib variants.
9502         Add mips32 multilib variant.
9503
9504 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
9505
9506         * explow.c (copy_all_reg, stabilize): Remove.
9507         * expr.h: Remove the corresponding prototypes.
9508
9509         * rtlanal.c (regs_set_between_p): Remove.
9510         * rtl.h: Remove the corresponding prototype.
9511
9512 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
9513
9514         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
9515         to rs6000_nonimmediate_operand.
9516         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
9517         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
9518         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
9519         rs6000_nonimmediate_operand.
9520         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
9521         rs6000_nonimmediate_operand.
9522
9523 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
9524
9525         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
9526
9527 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9528
9529         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
9530         on e500v2.
9531         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
9532         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
9533
9534         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
9535         (rs6k_nonimmediate_operand): New.
9536         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
9537         correctly.
9538         (legitimate_lo_sum_address_p): Same.
9539         (rs6000_legitimize_address): Same.
9540         (rs6000_legitimize_reload_address): Same.
9541         (rs6000_legitimate_address): Same.
9542         (spe_build_register_parallel): Pass DF and DC modes in a DI
9543         register.
9544
9545         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
9546         to rs6k_nonimmediate_operand.
9547
9548         * config/rs6000/spe.md ("*frob_df_di"): New.
9549         ("*frob_di_df"): New.
9550         ("*frob_di_df_2"): New.
9551         ("*mov_sidf_e500_subreg0"): New.
9552         ("*mov_sidf_e500_subreg4"): New.
9553         ("*movdf_e500_double"): Change predicate to
9554         rs6k_nonimmediate_operand.
9555
9556 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9557
9558         * postreload.c (move2add_note_store): Only call
9559         trunc_int_for_mode on scalar integers.
9560
9561 2005-01-14  Steven Bosscher  <stevenb@suse.de>
9562
9563         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
9564         replace BB_VISITED uses.
9565         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
9566         (propagate_necessity): Check the bitmap instead of BB_VISITED.
9567         (tree_dce_done): Free visited_control_parents.
9568         (perform_tree_ssa_dce): Allocate and clear it.
9569         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
9570         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
9571         instead of BB_VISITED.
9572
9573 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
9574
9575         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
9576         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
9577         Remove unused prototypes.
9578
9579 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9580
9581         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
9582         64-bit register usage.
9583         (spe_func_has_64bit_regs_p): Add FIXME note.
9584
9585 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9586
9587         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
9588         flag_finite_math_only with flag_unsafe_math_optimizations.
9589
9590 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
9591
9592         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
9593         end-of-stack check.
9594         (__tpf_eh_return): Copy TPF private stack area from the module
9595         boundary stack frame.  Add check for when module addresses are
9596         equal, but no stub address is found.
9597
9598 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
9599
9600         PR target/7525
9601         * arm.h (struct machine_function): Add call_via field.
9602         (thumb_call_via_label): Declare.
9603         * arm.c (thumb_call_via_label): New variable.
9604         (thumb_call_reg_needed): New variable.
9605         (arm_output_function_epilogue): For Thumb code, output any per-function
9606         call-indirect trampolines.
9607         (thumb_call_via_reg): New function.
9608         (arm_file_end): New function.
9609         (TARGET_ASM_FILE_END): Call arm_file_end.
9610         (aof_file_end): Likewise.
9611         * arm-protos.h (thumb_call_via_reg): Declare.
9612         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
9613         thumb_call_via_reg in normal case.
9614
9615 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
9616
9617         PR middle-end/19084
9618         PR rtl-optimization/19348
9619         * recog.c (peephole2_optimize): Do global life update if some peephole
9620         decides it doesn't need at least one of its inputs and that change
9621         influences liveness at the start of the basic block.
9622
9623         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
9624         arguments instead of 1.
9625
9626 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
9627
9628         PR middle-end/18820
9629         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
9630         zero for nested functions needing a static chain or functions
9631         with a non-constant address.
9632
9633 2005-01-13  Roger Sayle  <roger@eyesopen.com>
9634
9635         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
9636         (and (sign_extend X) C) into (zero_extend (and X C)).
9637
9638 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
9639
9640         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
9641
9642 2005-01-13  Richard Henderson  <rth@redhat.com>
9643
9644         PR target/19009
9645         PR target/19250
9646         PR target/19252
9647         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
9648         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
9649         not just TARGET_SSE.
9650         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
9651         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
9652         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
9653         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
9654         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
9655         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
9656         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
9657         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
9658         (movdicc_c_rex64): Rename with '*'.
9659         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
9660         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
9661         (movsfcc_1_387): Rename from movsfcc_1.
9662         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
9663         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
9664         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
9665         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
9666         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
9667         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
9668         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
9669         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
9670         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
9671         sse_movdfcc_const0_4): Remove.
9672         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
9673         recognize min/max early.  Update for changed sse cmove patterns.
9674         (ix86_split_sse_movcc): New.
9675         * config/i386/i386-protos.h: Update.
9676
9677 2005-01-13  Steven Bosscher  <stevenb@suse.de>
9678
9679         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
9680         (fix_stmt_v_may_defs): Likewise.
9681
9682 2005-01-13  Richard Henderson  <rth@redhat.com>
9683
9684         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
9685         for converting the mask.
9686
9687 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
9688
9689         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
9690         definition to 600.
9691
9692 2005-01-13  Richard Henderson  <rth@redhat.com>
9693
9694         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
9695         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
9696         IX86_BUILTIN_MOVDQ2Q): Remove.
9697         (IX86_BUILTIN_VEC_EXT_V4SI): New.
9698         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
9699         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
9700         shuffling.
9701         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
9702         (sse2_pextrw): Fix immediate constraint.
9703         (sse2_loadq, sse2_loadq_rex64): Remove.
9704         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
9705         Use __builtin_ia32_vec_ext_<size>.
9706         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
9707
9708 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
9709
9710         * function.c (assign_parm_setup_block): Look inside original
9711         entry_parm when inspecting PARALLEL.
9712
9713 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
9714             Joel Sherrill  <joel@oarcorp.com>
9715
9716         PR target/19399
9717         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
9718         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
9719         rtems_gxx_recursive_mutex_init.
9720         (__gthread_recursive_mutex_lock): New function.
9721         (__gthread_recursive_mutex_trylock): Likewise.
9722         (__gthread_recursive_mutex_unlock): Likewise.
9723
9724 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
9725
9726         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
9727
9728 2005-01-13  Jan Beulich  <jbeulich@novell.com>
9729
9730         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
9731         (ashrti3_internal): Indicate output is early clobber. Generate result
9732         into output rather than first input. Use move for low word of output
9733         if shift count is exactly 64.
9734         (lshrti3_internal): Likewise.
9735
9736 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9737
9738         PR target/18329
9739         PR target/18330
9740         * reload1.c (delete_output_reload): Don't delete an output reload
9741         if the pseudo lives longer than a single basic block.  Adjust and
9742         improve wording of comment.
9743
9744 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9745
9746         PR target/19334
9747         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9748         of TYPE_SIZE where we mean the number of bytes.
9749
9750 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9751
9752         * function.c (assign_parm_setup_block): Relax condition on
9753         multi-register optimization.
9754
9755 2005-01-12  Nick Clifton  <nickc@redhat.com>
9756
9757         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9758         an "in_delay_slot" attribute of "no" to prevent them being used in
9759         delay slots.  This is forbidden because they might generate
9760         exceptions.
9761
9762 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9763
9764         PR target/19389
9765         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9766         with r->Y and Y->r.
9767
9768 2005-01-12  Nick Clifton  <nickc@redhat.com>
9769
9770         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9771         passed on to GAS) but do not define, as GAS no longer supports or
9772         needs the -m2000 option.
9773
9774 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9775
9776         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9777         type as args of unprototyped builtins aren't automatically promoted.
9778         (fold_builtin_abs): Likewise.
9779
9780 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9781
9782         * Makefile.in: Set a `build-warn' variable.
9783
9784 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9785
9786         PR tree-optimization/17949
9787         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9788         (find_interesting_uses_address): Use it.
9789
9790 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9791
9792         * regrename.c (kill_value): Handle subreg's that won't simplify.
9793
9794 2005-01-11  Richard Henderson  <rth@redhat.com>
9795
9796         PR target/13366
9797         * config/i386/i386.h (enum ix86_builtins): Move ...
9798         * config/i386/i386.c: ... here.
9799         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9800         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9801         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9802         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9803         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9804         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9805         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9806         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9807         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9808         IX86_BUILTIN_LOADDDUP): Remove.
9809         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9810         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9811         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9812         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9813         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9814         (ix86_init_builtins): Make static.
9815         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9816         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9817         if all the modes match.  Otherwise, fake it.
9818         (get_element_number, ix86_expand_vec_init_builtin,
9819         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9820         (ix86_expand_builtin): Make static.  Update for changed builtins.
9821         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9822         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9823         (ix86_expand_vector_init_duplicate): New.
9824         (ix86_expand_vector_init_low_nonzero): New.
9825         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9826         Split out from ix86_expand_vector_init; handle integer modes.
9827         (ix86_expand_vector_init): Use them.
9828         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9829         * config/i386/i386-protos.h: Update.
9830         * config/i386/predicates.md (reg_or_0_operand): New.
9831         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9832         (movv2sf_internal): Likewise.  And a splitter to match them all.
9833         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9834         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9835         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9836         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9837         (mmx_pinsrw): Fix operand ordering.
9838         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9839         rather than sse_loadss expander.
9840         (movv2df splitter): Similarly.
9841         (sse_loadss, sse_loadlss): Remove.
9842         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9843         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9844         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9845         (sse3_movddup): Rename with '*'.
9846         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9847         (sse2_loadsd): Remove.
9848         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9849         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9850         (sse2_pinsrw): Fix argument ordering.
9851         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9852         (sse2_stored): Remove 'r' destination.
9853         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9854         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9855         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9856         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9857         vec_extractv16qi, vec_initv16qi): New.
9858
9859         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9860         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9861         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9862         constructor form.
9863         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9864         (_mm_load_si128, _mm_store_si128): Likewise.
9865         (_mm_load1_pd): Use _mm_set1_pd.
9866         (_mm_load_sd): Use _mm_set_sd.
9867         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9868         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9869         (_mm_set_epi64): Use _mm_set_epi64x.
9870         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9871         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9872         _mm_setr_epi8): Use _mm_set_foo form.
9873         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9874         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9875         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9876         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9877         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9878         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9879         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9880         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9881         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9882         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9883         (_mm_movedup_pd): Use _mm_shuffle_pd.
9884         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9885         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9886         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9887         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9888         Use _mm_setzero_ps.
9889         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9890         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9891         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9892         (_mm_store_ps): Use raw dereference.
9893         (_mm_store1_ps): Use _mm_storeu_ps.
9894         (_mm_storer_ps): Use _mm_store_ps.
9895         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9896         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9897
9898 2005-01-11  Stan Shebs  <shebs@apple.com>
9899
9900         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9901         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9902
9903 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9904
9905         PR target/18761
9906         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9907         Skip all DECLs except for FIELD_DECLs.
9908
9909 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9910
9911         * config/s390/s390.c (override_options): Return error if
9912         -mbackchain, -mpacked-stack and -mhard-float are used together.
9913         (s390_va_start): Remove the backchain && packed-stack special case.
9914         (s390_gimplify_va_arg): Likewise.
9915         * doc/invoke.texi: Remove the ABI incompatibility note.
9916
9917 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9918
9919         * config/s390/s390.c (struct s390_frame_layout): Remove
9920         save_backchain_p.
9921         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9922         save_backchain_p with TARGET_BACKCHAIN.
9923
9924 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9925
9926         PR target/18916
9927         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9928         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9929         * function.c (locate_and_pad_parm): Set new field.
9930         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9931         Tweak where_pad test to include "none".  Always set mem align for
9932         stack_parm.
9933         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9934         not sufficient for type.
9935         (assign_parm_setup_block): If stack_parm is zero on entry, always
9936         make a new stack local.  Block move old stack parm if necessary
9937         to new aligned stack local.
9938         (assign_parm_setup_stack): Use a block move to handle
9939         potentially misaligned entry_parm.
9940         (assign_parms_unsplit_complex): Specify required alignment when
9941         creating stack local.
9942         * calls.c (compute_argument_addresses): Override alignment of stack
9943         arg calculated from its type with the alignment given by
9944         FUNCTION_ARG_BOUNDARY.
9945         (store_one_arg): Likewise.
9946
9947 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9948
9949         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9950         Change respective itanium_class attribute to ialu.
9951         (shladdp4_internal): New.
9952         * config/ia64/predicates.md (shladd_log2_operand): New.
9953
9954 2005-01-11  Richard Henderson  <rth@redhat.com>
9955
9956         * expr.c (store_constructor): Use rtvec_alloc instead of
9957         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9958
9959 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9960
9961         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9962
9963 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9964
9965         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9966         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9967         (TARGET_RWRELOC): Define.
9968         (ia64_rwreloc_section_type_flags): Delete.
9969         (ia64_section_type_flags): New function.
9970         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9971         (TARGET_RWRELOC): Define.
9972
9973 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9974
9975         PR target/18987
9976         * config/ia64/ia64.c (process_set): For alloc insn, only call
9977         process_epilogue is !frame_pointer_needed.
9978
9979 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9980
9981         PR c++/19355
9982         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9983         unary operator and can't be treated as a binary/comparison operator.
9984
9985 2005-01-10  Richard Henderson  <rth@redhat.com>
9986
9987         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9988         (ix86_return_in_memory): Likewise.
9989         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9990         for choosing register to advance.
9991
9992 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9993
9994         * tree-vectorizer.c, tree.def: Fix comment typos.
9995
9996 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9997
9998         * config/s390/s390.c (struct processor_costs): 4 new fields:
9999         ddbr, ddr, debr, der.
10000         (s390_rtx_costs): More precise handling of divide instructions.
10001
10002 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
10003
10004         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
10005
10006 2005-01-10  Jan Beulich  <jbeulich@novell.com>
10007
10008         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
10009         names resulting from -ffunction-sections/-fdata-sections and linkonce
10010         ones.
10011         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
10012         based on the section name. Rearrange the section name comparison logic
10013         slightly so that each section name is compared against at most once.
10014
10015 2005-01-10  Ben Elliston  <bje@au.ibm.com>
10016
10017         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
10018         targets for which -fPIC reduces limitations on the GOT size.
10019
10020 2005-01-09  Falk Hueffner  <falk@debian.org>
10021
10022         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
10023         X/C1 cmpop C2.
10024
10025 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
10026
10027         PR target/18720
10028         * collect2.c (main): Set aixrtl_flag for -brtl option.
10029         (resolve_lib_name): Search for .so file extension before .a
10030         if aixrtl_flag set.
10031
10032 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
10033
10034         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
10035         (vect_analyze_data_refs_alignment): Add dump prints.
10036
10037 2005-01-09  Ira Rosen  <irar@il.ibm.com>
10038
10039         * tree-vectorizer.c (vect_analyze_offset_expr): Use
10040         expr_invariant_in_loop_p.
10041         Initialize outputs first thing in the function.
10042         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
10043         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
10044         (vect_analyze_pointer_ref_access): Check that the initial condition of
10045         the access function is loop invariant.
10046
10047 2005-01-09  Richard Henderson  <rth@redhat.com>
10048
10049         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
10050         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
10051         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
10052         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
10053         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
10054         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
10055         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
10056         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
10057         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
10058         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
10059         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
10060         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
10061         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
10062         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
10063         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
10064         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
10065         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
10066         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
10067         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
10068         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
10069         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
10070         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
10071         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
10072         mmx_ prefix.
10073         (mmx_clrdi, pavgusb): Remove.
10074         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
10075         with leading sse_ prefix.
10076         * config/i386/sse.md: Receive them.
10077         * config/i386/mmx.md: New file.
10078         (MMXMODE12, MMXMODE24, mmxvecsize): New.
10079         (subrv2sf3): Turn into expander for normal subtraction.
10080         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
10081         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
10082         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
10083         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
10084         commutative; use ix86_binary_operator_ok.
10085         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
10086         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
10087         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
10088         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
10089         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
10090         Macroize from existing patterns; use ix86_binary_operator_ok.
10091         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
10092         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
10093         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
10094         with vec_select+vec_concat.
10095         (mmx_pshufw, mmx_pshufw_1): Likewise.
10096         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
10097         (mmx_uavgv4hi3): Model correctly.
10098         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
10099         _mm_xor_si64): Remove casts.
10100
10101 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
10102
10103         PR tree-optimization/19224
10104         * tree-scalar-evolution.c (get_instantiated_value,
10105         set_instantiated_value): New functions.
10106         (instantiate_parameters_1): Cache the results.
10107         (instantiate_parameters, resolve_mixers): Initialize and free
10108         the cache.
10109
10110 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
10111
10112         * config/i386/i386.md (addhi_4): Correct reference in comment.
10113         (addqi_4): Same.
10114
10115 2005-01-08  Richard Henderson  <rth@redhat.com>
10116
10117         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
10118         (_mm_cvtsi128_si64x): Likewise.
10119         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
10120         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
10121         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
10122         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
10123         * config/i386/i386-protos.h: Update.
10124         * config/i386/i386.c (print_operand): Add 'H'.
10125         (ix86_fixup_binary_operands): Split out from ...
10126         (ix86_expand_binary_operator): ... here.
10127         (ix86_fixup_binary_operands_no_copy): New.
10128         (ix86_expand_fp_absneg_operator): Handle vector mode results.
10129         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
10130         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
10131         (safe_vector_operand): Use CONST0_RTX.
10132         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
10133         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
10134         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
10135         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
10136         special cases.
10137         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
10138         (IX86_BUILTIN_CMPNGESS): New.
10139         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
10140         (attr type): Add sselog1.
10141         (attr unit, attr memory): Handle it.
10142         (movti, movti_internal, movti_rex64): Move near other integer moves.
10143         (movtf, movtf_internal): Move near other fp moves.
10144         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
10145         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
10146         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
10147         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
10148         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
10149         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
10150         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
10151         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
10152         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
10153         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
10154         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
10155         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
10156         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
10157         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
10158         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
10159         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
10160         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
10161         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
10162         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
10163         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
10164         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
10165         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
10166         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
10167         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
10168         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
10169         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
10170         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
10171         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
10172         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
10173         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
10174         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
10175         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
10176         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
10177         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
10178         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
10179         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
10180         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
10181         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
10182         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
10183         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
10184         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
10185         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
10186         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
10187         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
10188         same time.
10189         (SSEPUSH, push<SSEPUSH>): Remove.
10190         (MMXPUSH, push<MMXPUSH>): Remove.
10191         (sse_movaps, sse_movaps_1, sse_movups): Remove.
10192         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
10193         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
10194         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
10195         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
10196         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
10197         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
10198         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
10199         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
10200         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
10201         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
10202         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
10203         (ppro_sse_log_V4SF): Handle sselog1.
10204         * config/i386/predicates.md (const_0_to_1_operand): New.
10205         (const_0_to_255_mul_8_operand): New.
10206         (const_1_to_31_operand): Rename from const_int_1_31_operand.
10207         (const_2_to_3_operand, const_4_to_7_operand): New.
10208         * config/i386/sse.md: New file.
10209         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
10210         (sse_movups): Rename from sse_movups_1.
10211         (sse_loadlss): Rename from sse_loadss_1.
10212         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
10213         from the name.
10214         (negv4sf2): Use ix86_expand_fp_absneg_operator.
10215         (absv4sf2, negv2df, absv2df): New.
10216         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
10217         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
10218         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
10219         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
10220         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
10221         (sse3_addsubv4sf3): Model correctly.
10222         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
10223         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
10224         (sse_movhlps): Model with vec_select+vec_concat.
10225         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
10226         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
10227         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
10228         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
10229         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
10230         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
10231         sse2_pshufhw_1): Likewise.
10232         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
10233         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
10234         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
10235         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
10236         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
10237         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
10238         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
10239         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
10240         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
10241         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
10242         sminv8hi3): Mark commutative
10243         operands.  Use ix86_binary_operator_ok.
10244         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
10245         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
10246         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
10247         sse2_punpcklqdq): Allow operand2 in memory.
10248         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
10249         sse2_movsd): Add memory alternatives.
10250         (sse_storelps): Turn expander into an insn; split after reload.
10251         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
10252         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
10253
10254 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10255
10256         * configure.ac (DWARF-2 debug_line): Use objdump.
10257         * configure: Regenerate.
10258
10259 2005-01-08  Jeff Law  <law@redhat.com>
10260             Diego Novillo  <dnovillo@redhat.com>
10261
10262         PR tree-optimization/18241
10263         * tree-nrv.c (tree_nrv): Ignore volatile return values.
10264         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
10265         statements with volatile operands.
10266         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
10267         operands after marking a statement with has_volatile_ops.
10268
10269 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10270
10271         * tree.c (int_fits_type_p): Always honor integer constant
10272         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
10273
10274 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10275
10276         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
10277         the latent bug in rtl_delete_block has been resolved.
10278
10279 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10280
10281         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
10282         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
10283
10284 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10285
10286         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
10287         library as @multilib_dir@/$(SHLIB_SONAME).
10288
10289 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10290
10291         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
10292         * configure: Regenerate.
10293
10294 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10295
10296         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
10297         TYPE_MODE.
10298
10299 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
10300
10301         PR target/13674
10302         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
10303         Convert non-word aligned offset address using ld/std into
10304         indirect address.
10305
10306 2005-01-07  Richard Henderson  <rth@redhat.com>
10307
10308         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
10309
10310 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
10311
10312         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
10313
10314 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10315
10316         PR tree-optimization/19283
10317         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
10318         is not shorter than the original type.
10319
10320         PR rtl-optimization/19012
10321         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
10322
10323         PR rtl-optimization/18861
10324         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
10325         (FULL_STATE): Define.
10326         (mark_tablejump_edge): New function.
10327         (purge_dead_tablejump_edges): New function.
10328         (find_bb_boundaries): Use it.
10329
10330         PR tree-optimization/18828
10331         * builtins.c (expand_builtin_next_arg): Remove argument and all
10332         the argument checking.
10333         (expand_builtin): Adjust caller.
10334         (expand_builtin_va_start): Likewise.  Remove error for too many
10335         arguments.
10336         (fold_builtin_next_arg): Issue error for too many arguments.
10337         After checking arguments, replace them with magic arguments that
10338         prevent further checking of the args.
10339
10340 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10341
10342         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
10343
10344 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10345
10346         PR target/6077
10347         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
10348         and %{.S:...} (and their negative variants) to test whether the
10349         input file is assembler or pre-processed-assembler independent of
10350         the actual filename extension.
10351
10352 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10353
10354         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
10355         of sign or zero extended values.
10356
10357 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
10358
10359         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
10360         for IBM long double format correctly.
10361
10362 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
10363
10364         Fix PR tree-optimization/18792
10365
10366         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
10367         to first_loop_depth, and use loop depth instead of loop number.
10368         (build_classic_dir_vector): Ditto.
10369         (compute_data_dependences_for_loop): Use depth, not loop number.
10370         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
10371         number. Pass in loops, instead of loop numbers.
10372         (gather_interchange_stats): Ditto.
10373         (linear_transform_loops): Ditto.
10374
10375 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
10376
10377         PR rtl-opt/13299
10378         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
10379         biv_fits_mode_p, extension_within_bounds_p): New functions.
10380         (check_ext_dependent_givs): Use them.
10381
10382 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10383
10384         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
10385         more than one barrier, in which case we should delete them all.
10386
10387 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
10388
10389         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
10390
10391 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
10392
10393         Fix PR middle-end/19286
10394         Fix PR debug/19267
10395         * dwarf2out.c (gen_subprogram_die): If we've already tried to
10396         output this subprogram, simply ignore this attempt to do it again.
10397         (add_abstract_origin_attribute): Don't abort trying to add the abstract
10398         origin attribute if it's not possible.
10399         (gen_block_die): Don't ignore subblocks of "unused" blocks.
10400         (decls_for_scope): Ditto.
10401         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
10402         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
10403
10404 2005-01-05  Richard Henderson  <rth@redhat.com>
10405
10406         PR target/11327
10407         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
10408         (bdesc_2arg): Use it.
10409         (ix86_expand_binop_builtin): Force operands into registers
10410         when optimizing.
10411         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
10412         ix86_expand_sse_compare, ix86_expand_sse_comi,
10413         ix86_expand_builtin): Likewise.
10414
10415 2005-01-05  Richard Henderson  <rth@redhat.com>
10416
10417         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
10418         and VEC_SELECT.
10419         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
10420         (mulv4hi3): Set itanium_class mmmul.
10421         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
10422         (fpack): Rename from fpack_sfsf.
10423
10424 2005-01-05  Richard Henderson  <rth@redhat.com>
10425
10426         PR rtl-opt/10692
10427         * reload1.c (do_input_reload): Restrict the optimization deleteing
10428         a previous output reload to RELOAD_FOR_INPUT.
10429
10430 2005-01-05  Steven Bosscher  <stevenb@suse.de>
10431
10432         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
10433         comment that we fall through after case.
10434         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
10435         (distribute_links): Likewise.
10436         * cse.c (cse_insn): Likewise.
10437         * cselib.c (cselib_invalidate_mem): Likewise.
10438         * df.c: Update comments at the top of the file.
10439         (read_modify_subreg_p): Update comments here too.
10440         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
10441         * flow.c (mark_set_1): Likewise.
10442         (mark_used_regs): Likewise.
10443         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10444         (canon_list_insert): Likewise.
10445         (mark_set): Likewise.
10446         (try_replace_reg): Likewise.
10447         (store_killed_in_insn): Likewise.
10448         * loop.c (count_one_set): Likewise.
10449         (basic_induction_var): Likewise.
10450         * postreload-gcse.c (find_mem_conflicts): Likewise.
10451         * postreload.c (reload_combine_note_store): Likewise.
10452         (move2add_note_store): Likewise.
10453         * reload.c (find_equiv_reg): Likewise.
10454         (mark_referenced_resources): Likewise.
10455         * rtlanal.c (set_noop_p): Likewise.
10456         (note_stores): Likewise.
10457         (note_uses): Likewise.
10458         * sched-deps.c (sched_analyze_1): Likewise.
10459         * sched-rgn.c (check_live_1): Likewise.
10460         (update_live_1): Likewise.
10461         * config/i860/i860.c: Likewise.
10462
10463         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
10464         an lvalue.
10465         (ZERO_EXTRACT): Mention that this one can be an lvalue.
10466
10467         * doc/rtl.texi: Update documentation for bit-fields and SET.
10468
10469 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10470
10471         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
10472
10473 2005-01-05  Jan Hubicka  <jh@suse.cz>
10474             Richard Henderson  <rth@redhat.com>
10475
10476         PR target/18910
10477         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
10478         with an offset.
10479
10480 2005-01-05  Richard Henderson  <rth@redhat.com>
10481
10482         PR target/12902
10483         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
10484         (sse_shufps): Change operand 3 to const_int_operand.
10485         (sse2_storelps): Fix typo in template.
10486         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
10487         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
10488         (ix86_expand_builtin): Likewise.
10489
10490 2005-01-05  Julian Brown  <julian@codesourcery.com>
10491
10492         * config/arm/arm.c (arm_return_in_memory): Treat complex types
10493         as aggregates for AAPCS ABIs.
10494
10495 2005-01-05  Stan Shebs  <shebs@apple.com>
10496
10497         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
10498         Mach-O getters if ppc64.
10499         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
10500         size argument.
10501         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
10502         signed four-byte field for global code case.
10503         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
10504
10505 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10506
10507         PR middle-end/19100
10508         * c-common.c: Include real.h.
10509         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
10510         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
10511         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
10512         * Makefile.in (c-common.o): Update dependencies.
10513
10514 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10515
10516         * c-parse.in (asm_string): Add trailing semicolon.
10517
10518 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10519
10520         * c-parse.in (asm_string): New.  Don't allow wide strings in
10521         'asm'.
10522         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
10523         asm_string instead of STRING.
10524
10525 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10526
10527         * c-typeck.c (constructor_no_implicit): Remove.
10528         (set_designator, process_init_element): Don't check
10529         constructor_no_implicit.
10530
10531 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
10532             Kaz Kojima  <kkojima@gcc.gnu.org>
10533
10534         PR target/16482
10535         * lcm.c (create_pre_exit): New.
10536         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
10537         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
10538
10539 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10540
10541         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
10542         -msoft-float in target_float_switch.
10543         * arm.c (arm_override_options): Fix processing of target_float_switch.
10544
10545 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10546
10547         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
10548         preferencing.
10549
10550 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
10551
10552         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
10553         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
10554
10555 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10556
10557         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
10558         if deleting the then-block allows the test-block to fallthru to the
10559         else-block.
10560
10561 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
10562
10563         PR c/19152
10564         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
10565         after the full declaration if the are in two different TUs.
10566
10567 2005-01-04  Richard Henderson  <rth@redhat.com>
10568
10569         PR tree-opt/19158
10570         * tree-sra.c (generate_one_element_init): Just
10571         call gimplify_and_add.
10572         (generate_element_init): Record the
10573         new referenced variables and mark them for renaming
10574         and split out to ...
10575         (generate_element_init_1): This.
10576         (scalarize_init): Don't call push_gimplify_context/
10577         pop_gimplify_context.
10578
10579 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
10580
10581         * toplev.c (get_src_pwd): Handle failure of getpwd().
10582
10583 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10584
10585         * fold-const.c (fold_single_bit_test): Delete unreachable handling
10586         of TRUTH_NOT_EXPR.
10587         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
10588         all the cases handled by it are inverted by invert_truthvalue.
10589
10590 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10591
10592         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
10593         (save_register_windowsi): Likewise.
10594
10595 2005-01-04  Richard Henderson  <rth@redhat.com>
10596
10597         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
10598
10599 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10600
10601         PR middle-end/17767
10602         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
10603         any simplifications of vector mode comparison operators.
10604         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
10605
10606 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
10607             Devang Patel  <dpatel@apple.com>
10608
10609         PR tree-optimization/18308
10610         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
10611         the operands before creating a new expression.
10612         * dojump.c (do_jump): Make drop_through_label available
10613         for all cases.  Add expansion of COND_EXPR.
10614
10615 2005-01-04  Ira Rosen  <irar@il.ibm.com>
10616
10617         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
10618         INTEGER_CST instead of TREE_CONSTANT.
10619         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
10620         instead of TREE_CONSTANT.
10621         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
10622         instead of TREE_CONSTANT.
10623
10624 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10625
10626         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
10627
10628 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10629
10630         PR target/19240
10631         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
10632         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
10633
10634 2005-01-03  Richard Henderson  <rth@redhat.com>
10635
10636         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
10637         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
10638         fold_convert_const_real_from_real): Split out from ...
10639         (fold_convert_const): ... here.
10640
10641 2005-01-03  Richard Henderson  <rth@redhat.com>
10642
10643         PR target/19235
10644         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
10645         (mov<MMXMODEI>_internal): Likewise.
10646         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
10647         Add V2SF case; use it for SSE1; don't use TI.
10648         (movdf_integer): Likewise.
10649         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
10650
10651 2005-01-03  Ira Rosen  <irar@il.ibm.com>
10652
10653         * tree-vectorizer.c (vect_strip_conversions): New function.
10654         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
10655         check for binary class.
10656
10657 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
10658
10659         Fix PR debug/17924
10660         Fix PR debug/19191
10661         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
10662         is a decl.
10663         * gimple-low.c (mark_blocks_with_used_vars): New function.
10664         (mark_blocks_with_used_subblocks): Ditto.
10665         (mark_used_blocks): Ditto.
10666         (pass_mark_used_blocks): New pass.
10667         * tree-inline.c: Include debug.h.
10668         (expand_call_inline): Call outlining_inline_function here.
10669         * tree-optimize.c (init_tree_optimization_passes): Add
10670         pass_mark_used_blocks.
10671         * tree-pass.h (pass_mark_used_blocks): New.
10672         * Makefile.in (tree-inline.o): Add debug.h dependency.
10673
10674 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
10675
10676         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
10677         VAR_DECLs to have weak_import attribute.
10678
10679         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
10680         'struct ucontext'.
10681
10682 2004-01-03  Steven Bosscher  <stevenb@suse.de>
10683
10684         * passes.c (rest_of_compilation): Don't run regmove if only
10685         flag_expensive_optimizations, require flag_regmove instead.
10686
10687 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10688
10689         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
10690         register "sparc".
10691         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
10692         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10693         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
10694         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10695
10696 2005-01-03  Richard Henderson  <rth@redhat.com>
10697
10698         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
10699         (ia64_const_ok_for_letter_p): New.
10700         (ia64_const_double_ok_for_letter_p): New.
10701         (ia64_extra_constraint): New.
10702         (ia64_expand_vecint_compare): New.
10703         (ia64_expand_vcondu_v2si): New.
10704         (ia64_expand_vecint_cmov): New.
10705         (ia64_expand_vecint_minmax): New.
10706         (ia64_print_operand): Add 'v'.
10707         (ia64_preferred_reload_class): New.
10708         (ia64_vector_mode_supported_p): New.
10709         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
10710         (PREFERRED_RELOAD_CLASS): Move to function.
10711         (CONST_OK_FOR_LETTER_P): Move to function.
10712         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
10713         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
10714         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
10715         (EXTRA_CONSTRAINT): Move to function.
10716         * config/ia64/ia64.md: Include vect.md.
10717         (itanium_class): Add mmalua.
10718         (type): Handle it.
10719         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
10720         (1b_mmalua): New.
10721         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
10722         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
10723         CONST0_RTX.
10724         (const_int_2bit_operand): New.
10725         (fr_reg_or_0_operand): New.
10726         * config/ia64/ia64-modes.def: Add vector modes.
10727         * config/ia64/ia64-protos.h: Update.
10728         * config/ia64/vect.md: New file.
10729
10730 2005-01-03  Richard Henderson  <rth@redhat.com>
10731
10732         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
10733
10734 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10735
10736         PR target/19236
10737         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10738         to SFmode.
10739         (log1pdf2): Change mode of operands[0,1] to DFmode.
10740
10741 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10742
10743         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10744         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10745         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10746         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10747         SPARC_RELAXED_ORDERING.
10748
10749 2005-01-03  Richard Henderson  <rth@redhat.com>
10750             Uros Bizjak  <uros@kss-loka.si>
10751
10752         PR target/14631
10753         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10754         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10755         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10756         handling.
10757         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10758         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10759         const_pow2_1_to_128_operand): New predicates.
10760
10761 2005-01-02  Greg McGary  <greg@mcgary.org>
10762
10763         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10764         anonymous decls.
10765         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10766         object.  [ptr_type]: Remove unused variable.
10767         Remember nearest addressable array-element or record-component
10768         when checking bitfield components.  Tolerate empty BIND_EXPR.
10769
10770 2005-01-01  Richard Henderson  <rth@redhat.com>
10771
10772         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10773         that don't narrow the value.  Fail for other conversions.
10774
10775 2005-01-01  Richard Henderson  <rth@redhat.com>
10776
10777         PR c/19031
10778         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10779         * c-lang.c (finish_file): Don't do it here.
10780         * objc/objc-act.c (objc_finish_file): Likewise.
10781
10782         * cgraph.c (decl_assembler_name_equal): New.
10783         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10784         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10785         * cgraph.h (struct cgraph_varpool_node): Add next.
10786         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10787         * varasm.c (assemble_alias): Mark the target as needed.
10788
10789 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10790
10791         PR middle-end/19221
10792         * function.c (get_arg_pointer_save_area): Use entry_of_function
10793         instead of get_insns.
10794
10795 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10796             Andrew Pinski  <pinskia@physics.uc.edu>
10797             James E. Wilson  <wilson@specifixinc.com>
10798
10799         PR rtl-optimization/12092
10800         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10801         is zero.
10802
10803 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10804             Olivier Hainque  <hainque@act-europe.fr>
10805
10806         * tree.c (int_fits_type_p): A narrower type always fits in a
10807         wider one, except for negative values into unsigned types.
10808
10809 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10810
10811         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10812         with the original constant rather than require TREE_OVERFLOW.
10813
10814 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10815
10816         PR middle-end/17544
10817         * c-decl.c (finish_function): If compiling C99, annotate the
10818         compiler generated return with the current file name and line 0.
10819         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10820         the source line is greater than 0.
10821         (remove_bb): Likewise.