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* c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4
5 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
6
7         * config/s390/tpf.h (ASM_SPEC): Define.
8
9 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
10
11         * tree-flow.h: Remove the prototype for
12         redirect_immediate_uses.
13         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
14
15 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
16
17         * arm.c (arm_const_double_by_parts): New function.
18         * arm-protos.h (arm_const_double_by_parts): Add prototype.
19         * arm.md (define_split for 64-bit constants): Add another one.
20
21 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
22
23         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
24
25 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26
27         * system.h: Revert last change.
28
29 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
30
31         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
32         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
33         (TARGET_SWITCHES): Delete.
34         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
35         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
36         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
37         * config/xtensa/xtensa.opt: New file.
38
39 2005-04-08  Ben Elliston  <bje@au.ibm.com>
40
41         * config/fp-bit.c: Include L_mul_tf in #endif comment.
42         * config/fp-bit.h: Tidy comments.
43
44 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
45
46         * system.h: Poison PARAMS.
47
48 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
49
50         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
51         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
52         (TARGET_SWITCHES): Delete.
53         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
54         * config/vax/vax.opt: New file.
55
56 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
57
58         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
59
60 2005-04-07  Ian Lance Taylor  <ian@airs.com>
61
62         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
63         define.
64         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
65         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
66         Likewise.
67
68 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
69
70         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
71         all immediate uses in PHI nodes.
72
73 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
74
75         * arm.c (arm_const_double_inline_cost): Handle any constant by
76         using gen_lowpart and gen_highpart_mode.
77         (note_invalid_constants): All constants in an RTX with a constraint
78         that permits memory are now pushed to the constant pool.
79         (output_move_double): Delete code to handle reg to reg and 
80         constant to reg moves.
81         (const_double_needs_minipool, output_mov_immediate): Delete.
82         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
83         CONST_INT and CONST_VECTOR.
84         * arm.md (ANY64): New mode macro.
85         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
86         (movdf_soft_insn): Split reg-reg and const-reg moves.
87         (split patterns for 64-bit constant and register moves): New.
88         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
89         (cirrus_movdf_hard_insn): Likewise.
90         * fpa.md (movdf_fpa): Likewise.
91         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
92         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
93         constraints.
94         (movv2si_internal_2): Likewise.
95         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
96         (movdf_vfp): Likewise.
97         * arm-protos.h (output_mov_immediate): Delete prototype.
98
99 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
100
101         PR target/20093
102         * simplify-rtx.c (simplify_unary_operation_1): Check
103         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
104
105 2005-04-06  James E Wilson  <wilson@specifixinc.com>
106
107         PR target/20717
108         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
109         ADDR_EXPR.
110
111 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
112
113         * coverage.h (GCOV_TYPE_NODE): Delete.
114         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
115         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
116         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
117         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
118         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
119
120 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
121
122         PR other/20792
123         * Makefile.in (gcc.pot): Remove options.c dependency.
124         * optc-gen.awk: Don't quote help strings with N_().
125
126 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
127
128         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
129         the function returns a pointer type.
130
131 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
132
133         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
134         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
135         * doc/invoke.texi: Documnet salias-max-implicit-fields.
136         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
137         explicit_uses members.
138         (get_or_create_used_part_for): Initialize new fields.
139         (fieldoff_compare): New function.
140         (create_overlap_variables_for): Count number of fields, use
141         heuristic to determine whether to create subvars for vars with
142         only implicit uses.
143         Sort the field list by offset and avoid creating duplicate SFT's.
144
145 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
146
147         * c.opt (-F): Remove trailing whitespace from help string.
148         (-finput-charset): Use a tab to separate the switch name and help
149         string.
150         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
151         (-ftree-vectorizer-verbose): Likewise.
152
153 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
154
155         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
156         a PHI argument where a use occurs instead of all PHI arguments.
157
158 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
159
160         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
161         scope.
162
163 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
164
165         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
166         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
167         config/bfin/bfin.h: Fix comment typos.
168
169 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
170
171         * doc/install.texi: Update the URL for Jacks.
172         * doc/sourcebuild.texi: Likewise.
173
174 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
175
176         PR target/17245
177         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
178         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
179
180 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
181
182         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
183
184 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
185
186         * config/v850/v850-protos.h (override_options): Delete.
187         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
188         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
189         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
190         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
191         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
192         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
193         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
194         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
195         (OVERRIDE_OPTIONS): Delete.
196         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
197         (small_memory_info): Remove the value field.
198         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
199         TARGET_NO_APP_REGS.
200         * config/v850/v850.c (small_memory): Remove the value field.
201         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
202         (override_options): Delete.
203         (v850_handle_memory_option, v850_handle_option): New functions.
204         * config/v850/v850.opt: New file.
205
206 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
207
208         * config.host: Add a section for generic hosts, and a subsection
209         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
210         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
211         * config/host-darwin.h: New.
212         * config/x-darwin: New.
213         * config/i386/host-i386-darwin.c: New.
214         * config/i386/x-darwin: New.
215         * config/rs6000/host-darwin.c: Include host-darwin.h.
216         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
217         (darwin_rs6000_gt_pch_use_address): Likewise.
218         * config/rs6000/x-darwin: Change name of .o built, update
219         dependencies for changes to rs6000/host-darwin.c.
220
221 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
222
223         PR target/17824
224         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
225
226 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
227
228         * tree-vect-analyze.c (vect_analyze_loop_form): Call
229         split_loop_exit_edge instead of loop_split_edge_with. 
230
231 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
232
233         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
234         UNSPEC_SET_VSCR): New constants, used throughout.
235         (*andc3_v4sf): New.
236         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
237         Replace with...
238         (altivec_vspltis<VI_char>): ... this pattern, using
239         a QImode const_int_operand for the immediate.
240         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
241         define_expands.
242
243 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
244
245         PR target/17822
246         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
247
248 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
249
250         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
251
252 2005-04-06  Ben Elliston  <bje@au.ibm.com>
253
254         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
255         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
256         macros as living in "this file" and not gcc.h.
257
258 2005-04-06  Ben Elliston  <bje@au.ibm.com>
259
260         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
261         -ftree-live_range_split.  Perhaps renamed at some point?
262
263 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
264
265         PR target/20625
266         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
267         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
268
269 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
270
271         * tree-flow.h (number_of_iterations_cond): Declaration removed.
272         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
273         (number_of_iterations_special): New function.
274         (number_of_iterations_exit): Use number_of_iterations_special.
275         Use simplify_using_outer_evolutions only at -O3.
276         (number_of_iterations_cond, tree_simplify_using_condition,
277         simplify_using_initial_conditions, loop_niter_by_eval,
278         compare_trees, can_count_iv_in_wider_type_bound,
279         simplify_using_outer_evolutions): Use fold_build.
280
281 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
282
283         * doc/install.texi (Configuration): Document --with-java-home.
284
285 2005-04-05  Richard Henderson  <rth@redhat.com>
286
287         PR target/20342
288         PR target/20447
289         * config/i386/i386.c (print_operand): Handle vector zeros.
290         (ix86_split_to_parts): Handle CONST_VECTOR.
291         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
292         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
293         what modes to tie for MMX and SSE registers.
294         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
295         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
296         to vector modes as well.
297         * config/i386/predicates.md (const0_operand): Handle VOIDmode
298         properly as an input mode.
299
300 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
301
302         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
303
304 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
305
306         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
307
308 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
309
310         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
311         and local functions, set sse_nregs to 8 and float_in_sse.
312         (function_arg_advance, function_arg): If float_in_sse, pass
313         SFmode and DFmode arguments in SSE registers.
314         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
315
316         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
317         of -funit-at-a-time.
318
319 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
320
321         * config/i386/i386-protos.h (ix86_function_value): Accept two
322         arguments, like the target macro.
323         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
324         * config/i386/i386.c (ix86_function_value): Accept the second
325         argument of the target macro.
326         (ix86_function_ok_for_sibcall): Pass a function pointer to
327         ix86_function_value.
328         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
329         call to ix86_value_regno).
330         (ix86_value_regno): Add support for returning floating point values
331         in SSE registers.
332
333 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
334
335         PR tree-optimization/20076
336         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
337         that call __builtin_return or __builtin_apply_args.
338
339 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
340
341         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
342         Use immediate use iterator.
343         (stmt_is_bumper_for_loop): Use immediate use iterator.
344         * predict.c (strip_builtin_expect): Use update_stmt.
345         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
346         on all elements of a STATEMENT_LIST.
347         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
348         (bsi_remove): Remove imm_use links and mark the stmt as modified.
349         (bsi_replace): Mark stmt as modified and the update it.
350         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
351         (expand_complex_libcal): Call update_stmt.
352         (expand_complex_comparison): Call mark_stmt_modified.
353         (expand_complex_operations_1): Call update_stmt_if_modified.
354         (expand_vector_operations_1): Call mark_stmt_modified.
355         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
356         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
357         add_immediate_use, redirect_immediate_use,
358         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
359         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
360         (mark_new_vars_to_rename): Call update_stmt.
361         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
362         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
363         Ignore PHI nodes.
364         (unmodify_stmt): Delete.
365         (update_stmt): New.  Force an update of a stmt.
366         (update_stmt_if_modified): update a stmt if it is out of date.
367         (get_stmt_operands): Verify stmt is NOT modified. 
368         (stmt_modified_p): Update comment.
369         (delink_imm_use): Remove a use node from its immuse list.
370         (link_imm_use_to_list): Link a use node to a specific list.
371         (link_imm_use): Link a node to the correct list.
372         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
373         it in the correct list, if appropriate.
374         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
375         (relink_imm_use): Link a use node in place of another node in a list.
376         (relink_imm_use_stmt): LInk a node in place of another node, and set
377         the stmt pointer.
378         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
379         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
380         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
381         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
382         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
383         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
384         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
385         (has_zero_uses): New.  Return true if there are no uses of a var.
386         (has_single_use): New.  Return true if there is only a single use of a
387         variable.
388         (single_imm_use): New.  Return the simgle immediate use.
389         (num_imm_uses): New.  Return the number of immediate uses.
390         (get_v_must_def_ops): Use is now a pointer.
391         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
392         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
393         the use node.
394         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
395         (delink_stmt_imm_use): Delink all immuses from a stmt.
396         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
397         * tree-flow.h (struct dataflow_d): Delete.
398         (immediate_use_iterator_d): New.  Immediate use iterator struct.
399         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
400         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
401         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
402         iteration.
403         (struct stmt_ann_d): Remove dataflow_t from struct.
404         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
405         (if_convertible_phi_p): Use FAST immuse iterator.
406         (if_convertible_loop_p): Don't call compute_immediate_uses.
407         (replace_phi_with_cond_modify_expr): Call update_stmt.
408         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
409         update_stmt_if_modified.
410         (rewrite_all_into_ssa): Initialize ssa operands.
411         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
412         compute_immediate_uses.
413         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
414         ssa_property is available.
415         (execute_one_pass):  Change parameters passed to execute_todo.
416         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
417         (remove_ssa_form): Call fini_ssa_operands.
418         (insert_backedge_copies): Delete call to modify_stmt.
419         * tree-phinodes.c (make_phi_node): Initialize use nodes.
420         (release_phi_node): Delink any use nodes before releasing.
421         (resize_phi_node): Relink any use nodes.
422         (remove_phi_arg_num): Delink the use node.
423         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
424         (remove_all_phi_nodes_for): Release phi node first.
425         * tree-pretty-print.c (dump_generic_node): Print stmt address.
426         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
427         (scalarize_use, scalarize_copy): Call update_stmt.
428         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
429         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
430         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
431         (ccp_initialize): Remove call to compute_immediate_uses.
432         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
433         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
434         stmts.
435         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
436         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
437         (eliminate_redundant_computations): Call mark_stmt_modified.
438         (cprop_operand): Call mark_stmt_modified.
439         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
440         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
441         (dse_optimize_stmt): Use new immuse interface.
442         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
443         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
444         (substitute_single_use_vars): Use new immuse interface.
445         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
446         and compute_immediate_uses.
447         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
448         interface.
449         (rewrite_mem_refs): Call update_stmt.
450         (determine_lsm): Remove call to compute_imm_uses and free_df.
451         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
452         (try_unroll_loop_completely): Call update_stmt.
453         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
454         (rewrite_use_compare): Call update_stmt.
455         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
456         (rewrite_use) : Call update_stmt.
457         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
458         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
459         update_stmt.
460         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
461         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
462         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
463         use nodes.
464         (initialize_vuse_operand): New.  Initialize a vuse operand.
465         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
466         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
467         (finalize_ssa_defs): Use stmt parameter.
468         (correct_use_link): Ensure a use node is in the correct list, and has
469         the correct stmt pointer.
470         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
471         finalize_ssa_v_must_defs): Also initialize use nodes.
472         (finalize_ssa_stmt_operands): Pass extra stmt operands.
473         (build_ssa_operands): Seperate parsing from final operand construction.
474         (parse_ssa_operands): New.  Parse entry point for operand building.
475         (swap_tree_operands): New.  Swap 2 tree operands.
476         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
477         operands.
478         (get_expr_operands): Call swap_tree_operands when needed.
479         (copy_virtual_operands): Use initialize routines for virtual use ops.
480         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
481         (verify_abort): New.  Issue imm_use error.
482         (verify_imm_links): New Verify imm_use links for a var.
483         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
484         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
485         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
486         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
487         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
488         (NULL_USE_OPERAND_P) Define.
489         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
490         use node.
491         (struct vuse_operand_type): New struct.
492         (SET_USE): Call set_ssa_use_from_ptr.
493         (USE_STMT): Define.
494         (PHI_ARG_INDEX_FROM_USE): Define.
495         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
496         argument via SET_USE, not PHI_ARG_DEF_TREE.
497         * tree-ssa-pre.c (eliminate): Call update_stmt.
498         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
499         call free_df.
500         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
501         (nearest_common_dominator_of_uses): Use imm_use iterator.
502         (statement_sink_location): Use imm_use iterator and interface.
503         (execute_sink_code): Don't call compute_immediate_uses or free-df.
504         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
505         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
506         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
507         (verify_ssa): Ensure no stmt is marked modify after optimization pass
508         if new parameter is true.
509         (init_tree_ssa): Don't initialize operand cache here.
510         (delete_tree_ssa): Don't destroy operand cache here.
511         (propagate_into_addr): Pass in a use pointer, return true if anything
512         was changed.
513         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
514         (check_phi_redundancy): Use imm_use iterator.
515         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
516         free_df.
517         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
518         (release_ssa_name): Delink node and all elements in its imm_use list.
519         * tree-tailcall.c (adjust_return_value): Call update_stmt.
520         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
521         * tree-vectorizer.c (need_imm_uses_for): Delete.
522         (vectorize_loops): Dont call compute_immediate_uses or free_df.
523         * tree.h (struct ssa_imm_use_d): Define.
524         (SSA_NAME_IMM_USE_NODE): Define.
525         (struct tree_ssa_name): Add imm_use node.
526         (PHI_DF): Delete.
527         (PHI_ARG_IMM_USE_NODE): Define.
528         (struct phi_arg_d): Add imm_use node.
529         (struct tree_phi_node): Remove struct dataflow_d element.
530         (TDF_STMTADDR): Define.
531
532 2005-04-05  Dale Johannesen  <dalej@apple.com>
533
534         * doc/invoke.texi (Optimization Options):  Remove
535         duplicate -fcse-follow-jumps.  Add -fweb.
536         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
537         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
538
539 2005-04-05  Per Bothner  <per@bothner.com>
540
541         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
542         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
543         (warn_uninit): Get EXPR_LOCUS from context now instead.
544         This fixes a USE_MAPPED_LOCATION testsuite failure.
545
546         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
547
548 2005-04-05  Per Bothner  <per@bothner.com>
549
550         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
551         of the artification 'return 0' in main() to BUILTINS_LOCATION.
552         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
553         before warning. 
554
555 2004-04-05  Devang Patel  <dpatel@apple.com>
556
557         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
558         (lhsr<mode>3): ... new name.
559         (altivec_vsra<VI_char>): Rename to ..
560         (ashr<mode>3): ... new name.
561         * config/rs6000/rs6000.c (builtin_description): Rename shift
562         operations.
563         
564 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
565
566         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
567         gen_lowpart_for_combine.
568         * cse.c (gen_lowpart_if_possible): Move...
569         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
570         gen_lowpart_SUBREG.
571         (gen_lowpart_no_emit_general): Use it.
572
573 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
574
575         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
576         overriding.
577
578 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
579
580         * system.h: Fix typo.
581
582 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
583
584         * config/bfin/bfin-modes.def: New file.
585         * config/bfin/bfin-protos.h: New file.
586         * config/bfin/bfin.c: New file.
587         * config/bfin/bfin.h: New file.
588         * config/bfin/bfin.md: New file.
589         * config/bfin/bfin.opt: New file.
590         * config/bfin/crti.s: New file.
591         * config/bfin/crtn.s: New file.
592         * config/bfin/elf.h: New file.
593         * config/bfin/lib1funcs.asm: New file.
594         * config/bfin/predicates.md: New file.
595         * config/bfin/t-bfin: New file.
596         * config/bfin/t-bfin-elf: New file.
597         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
598         Document new attributes.
599         (interrupt, interrupt_handler, saveall): Update documentation for
600         these attributes.
601         * doc/install.texi (Specific): Add entry for the Blackfin.
602         * doc/invoke.texi (Blackfin Options): New section.
603         * doc/md.texi (Blackfin family): New section to document constraints.
604         * config.gcc: Add bfin*-* and bfin*-elf configurations.
605
606 2005-04-05  Olivier Hainque  <hainque@adacore.com>
607         
608         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
609         match what the system unwinder expects.
610         * config/mips/mips.c (mips_frame_set): If we're saving the return
611         address register and the dwarf return address column number differs
612         from the hard register number, adjust the note reg to refer to the
613         former.
614
615 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
616
617         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
618         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
619         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
620         (processor_type): New enum.
621         (mn10300_processor): New variable.
622         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
623         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
624         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
625         (PROCESSOR_DEFAULT): New macro.
626         * config/mn10300/mn10300.c (mn10300_processor): New variable.
627         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
628         (mn10300_handle_option, mn10300_override_options): New functions.
629         * config/mn10300/mn10300.opt: New file.
630
631 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
632             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
633
634         PR tree-optimization/19903
635         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
636         that don't fit in their type after conversion.
637
638 2005-04-05 Uros Bizjak <uros@kss-loka.si>
639
640         PR target/20421
641         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
642         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
643         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
644         flag here. Implement using define_insn_and_split.  
645         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
646         (frndintxf2_mask_pm_i387): New insn patterns.
647         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
648         Do not set ix86_optimize_mode_switching flag.
649         (ceilsf2, ceildf2, ceilxf2): Same.
650         (btruncsf2, btruncdf2, btruncxf2): Same.
651         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
652
653 2005-04-05  Ian Lance Taylor  <ian@airs.com>
654
655         PR debug/9963
656         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
657         i386_pe_record_external_function.
658         (i386_pe_record_external_function): Update declaration.
659         * config/i386/winnt.c (struct extern_list): Add decl field.
660         (i386_pe_record_external_function): Add decl parameter.
661         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
662         identifier.
663         * config/i386/i386-protos.h (i386_pe_record_external_function):
664         Update declaration.
665
666 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
667
668         * config/m68k/m68k-protos.h: Add a prototype for
669         valid_dbcc_comparison_p_2.
670         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
671         extend_operator, const_uint32_operand, const_sint32_operand,
672         general_src_operand, nonimmediate_src_operand,
673         memory_src_operand, post_inc_operand, pre_dec_operand,
674         pcrel_address): Move to predicates to predicates.md.
675         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
676         * config/m68k/m68k.md: Include predicates.md.
677         * config/m68k/predicates.md: New.
678
679 2005-04-04  Roger Sayle  <roger@eyesopen.com>
680
681         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
682
683         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
684
685 2005-04-04  Ian Lance Taylor  <ian@airs.com>
686
687         * c-typeck.c (struct c_switch): Rename switch_stmt field to
688         switch_expr.
689         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
690         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
691         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
692         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
693         * c-common.c (c_do_switch_warnings_1): New static function broken
694         out of c_do_switch_warnings.
695         (c_do_switch_warnings): Call c_do_switch_warnings_1.
696         (c_do_switch_expr_warnings): New function.
697         * c-common.h (c_do_switch_expr_warnings): Declare.
698
699 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
700             Daniel Jacobowitz  <dan@codesourcery.com>
701
702         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
703         trapping divide.
704         * rtlanal.c (may_trap_p): Same.
705
706 2005-04-04  Dale Johannesen  <dalej@apple.com>
707
708         * ChangeLog:  remove reference to ChangeLog.12.
709
710 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
711
712         CRIS epilogue as RTL.
713         * config/cris/cris.md: Change all 0 in unspec 0 to
714         CRIS_UNSPEC_PLT.
715         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
716         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
717         patterns.
718         ("return"): Change to define_expand.  Call cris_expand_return for
719         actual expansion.
720         ("*return_expanded"): New pattern.
721         ("epilogue"): New define_expand.
722         * config/cris/cris.h (PREDICATE_CODES): Add
723         cris_load_multiple_op.
724         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
725         type.
726         (enum cris_retinsn_type): New.
727         (struct machine_function): New member return_type.
728         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
729         (cris_target_asm_function_epilogue): Remove, moving RTLified
730         contents to...
731         (cris_expand_epilogue): New function.
732         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
733         (cris_gen_movem_load, cris_load_multiple_op)
734         (cris_return_address_on_stack_for_return, cris_expand_return): New
735         functions.
736         (cris_target_asm_function_prologue)
737         (cris_initial_frame_pointer_offset): Call
738         cris_reg_saved_in_regsave_area instead of complicated expression.
739         Call cris_return_address_on_stack instead of an expression.
740         (cris_print_operand) <case 'o', case 'O'>: New cases.
741         (cris_return_address_on_stack): Change return-type to bool.
742         (cris_simple_epilogue): Ditto.  Return false if registers are
743         saved.
744         * config/cris/cris-protos.h (cris_simple_epilogue)
745         (cris_return_address_on_stack): Adjust prototype return type.
746         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
747         (cris_return_address_on_stack_for_return): New prototypes.
748
749 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
750
751         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
752         gpr_or_int12_operand.
753
754         * config/frv/frv-protos.h: Add a prototype to
755         frv_legitimate_memory_operand and frv_const_unspec_p.
756         (frv_unspec): Move from frv.c.
757         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
758         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
759         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
760         gpr_or_fpr_operand, gpr_or_int12_operand,
761         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
762         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
763         int6_operand, int5_operand, uint5_operand, uint4_operand,
764         uint1_operand, int_2word_operand, uint16_operand,
765         upper_int16_operand, integer_register_operand,
766         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
767         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
768         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
769         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
770         move_destination_operand, movcc_fp_destination_operand,
771         frv_function_symbol_referenced_p, move_source_operand,
772         condexec_dest_operand, condexec_source_operand,
773         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
774         const_unspec_operand, gpr_or_memory_operand,
775         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
776         icc_operand, fcc_operand, cc_operand, icr_operand,
777         fcr_operand, cr_operand, call_operand, sibcall_operand,
778         symbolic_operand, relational_operator,
779         integer_relational_operator, float_relational_operator,
780         ccr_eqne_operator, minmax_operator,
781         condexec_si_binary_operator, condexec_si_media_operator,
782         condexec_si_divide_operator, condexec_si_unary_operator,
783         condexec_sf_conv_operator, condexec_sf_add_operator,
784         condexec_memory_operand, intop_compare_operator, acc_operand,
785         even_acc_operand, quad_acc_operand, accg_operand: Move to
786         predicates.md.
787         * config/frv/frv.h (PREDICATE_CODES): Remove.
788         * config/frv/frv.md: Include predicates.md.
789         * config/frv/predicates.md: New.
790
791 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
792
793         PR target/19537
794         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
795         * tree-ssa-loop-ivopts.c: Include langhooks.h.
796         (add_standard_iv_candidates_for_size): New function, extracting code
797         from add_standard_iv_candidates and parameterizing it by type size.
798         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
799
800 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
801
802         * system.h (GCOV_SIZE_TYPE): Unposion.
803         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
804         (GCOV_TYPE_SIZE): ...this new macro.
805         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
806         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
807         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
808         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
809         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
810         instead of unsigned_intSI_type_node.
811         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
812         (rtl_gen_one_value_profiler_no_edge_manipulation)
813         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
814         * value-prof.c: Include coverage.h.
815
816 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
817             Diego Novillo <dnovillo@redhat.com>
818             
819         Fix PR tree-optimization/20703
820         Fix PR tree-optimization/20725
821         
822         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
823         (create_expression_by_pieces): Ditto.
824         (valid_in_set): Ditto. Also handle tcc_declaration.
825         (find_or_generate_expression): Handle comparison class.
826         (insert_into_preds_of_block): Ditto.
827         (insert_aux): Ditto.
828         (create_value_expr_from): Handle comparison class, recursively
829         handle reference nodes.
830         (compute_avail): Handle comparison classes, rewrite a little cleaner.
831         (execute_pre): Fix spacing.
832         (do_fre): Renamed to execute_fre.
833
834 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
835
836         * doc/invoke.texi (SPARC options): Document that
837         -mlittle-endian is not supported on Linux either.
838
839 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
840
841         PR target/4198
842         PR target/12027
843         * config.gcc (Obsolete configurations): Remove
844         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
845         (sparclite-*-coff*): Delete.
846         (sparclite-*-elf*): Likewise.
847         (sparc86x-*-elf*): Likewise.
848         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
849         * config/sparc/lite.h: Delete.
850         * config/sparc/litecoff.h: Likewise.
851         * config/sparc/liteelf.h: Likewise.
852         * config/sparc/sp86x-elf.h: Likewise.
853         * config/sparc/t-sparclite: Likewise.
854         * config/sparc/t-sp86x: Likewise.
855
856 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
857
858         * config/s390/s390-protos.h: (s390_comparison,
859         s390_alc_comparison, s390_slb_comparison, const0_operand,
860         consttable_operand, larl_operand, s_operand,
861         shift_count_operand, bras_sym_operand, load_multiple_operation,
862         store_multiple_operation, s390_plus_operand): Remove prototypes.
863         (s390_legitimate_address_without_index_p): New prototype.
864         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
865         to s390.h.
866         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
867         const0_operand, consttable_operand, larl_operand, s_operand,
868         shift_count_operand, bras_sym_operand, load_multiple_operation,
869         store_multiple_operation, s390_plus_operand): Move to
870         predicates.md.
871         (check_mode): Remove.
872         (s390_branch_condition_mask): Remove 'static'. Move prototype to
873         s390-protos.h.
874         (s390_legitimate_address_without_index_p): New.
875         * config/s390/s390.h (PREDICATE_CODES): Remove.
876         * config/s390/s390.md: Include predicates.md.
877         * config/s390/predicates.md: New.
878
879 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
880
881         PR target/20446
882         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
883         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
884         (NEED_INDICATE_EXEC_STACK): Define to 1.
885         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
886         (NEED_INDICATE_EXEC_STACK): Define to 1.
887         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
888         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
889         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
890         (pic_helper_emitted_p): New global.
891         (emit_pic_helper): New function extracted from...
892         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
893         Do not call emit_pic_helper if delay_pic_helper is true.
894         (sparc_expand_prologue): Pass 'false' to load_pic_register.
895         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
896         (sparc_file_end): New function.
897
898 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
899
900         * config/mcore/mcore-protos.h: Remove the prototypes for
901         mcore_arith_reg_operand, mcore_general_movsrc_operand,
902         mcore_general_movdst_operand, mcore_reload_operand,
903         mcore_arith_J_operand, mcore_arith_K_operand,
904         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
905         mcore_arith_K_S_operand, mcore_arith_imm_operand,
906         mcore_arith_any_imm_operand, mcore_arith_O_operand,
907         mcore_literal_K_operand, mcore_addsub_operand,
908         mcore_compare_operand, mcore_load_multiple_operation,
909         mcore_store_multiple_operation, mcore_call_address_operand.
910         Add a prototype for const_ok_for_mcore.
911         * config/mcore/mcore.c (mcore_call_address_operand,
912         mcore_general_movsrc_operand, mcore_general_movdst_operand,
913         mcore_arith_reg_operand, mcore_reload_operand,
914         mcore_arith_J_operand, mcore_arith_K_operand,
915         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
916         mcore_arith_M_operand, mcore_arith_imm_operand,
917         mcore_arith_any_imm_operand, mcore_arith_O_operand,
918         mcore_literal_K_operand, mcore_addsub_operand,
919         mcore_compare_operand, mcore_load_multiple_operation,
920         mcore_store_multiple_operation): Move to predicates.md.
921         (const_ok_for_mcore): Export.
922         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
923         * config/mcore/mcore.md: Include predicates.md.
924         * config/mcore/predicates.md: New.
925
926         * config/mcore/predicates.md: Fix a comment typo.
927
928 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
929             Adrian Straetling  <straetling@de.ibm.com>
930
931         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
932         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
933         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
934         attribute.
935         ("imul"): Removed from "type" attribute.
936         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
937         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
938         Changed type to imulsi.
939         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
940
941 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
942
943         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
944         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
945         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
946         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
947         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
948         (TARGET_SWITCHES, mcore_stack_increment_string)
949         (TARGET_OPTIONS): Delete.
950         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
951         than *_BIT constants.
952         (TARGET_8ALIGN): #undef old definition before redefining to 1.
953         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
954         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
955         (mcore_override_options): Delete mcore_stack_increment code.
956         Change use of M340_BIT to MASK_M340.
957         * config/mcore/mcore.opt: New file.
958
959 2005-04-04  Ian Lance Taylor  <ian@airs.com>
960
961         * config/arm/arm.c (replace_symbols_in_block): Remove static
962         function.
963
964 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
965
966         * config/fr30/fr30-protos.h: Remove the prototypes for
967         stack_add_operand, add_immediate_operand,
968         high_register_operand, low_register_operand, call_operand,
969         di_operand, and nonimmediate_di_operand.
970         * config/fr30/fr30.c (stack_add_operand,
971         add_immediate_operand, high_register_operand,
972         low_register_operand, call_operand, di_operand,
973         nonimmediate_di_operand): Move to predicates.md.
974         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
975         * config/fr30/fr30.md: Include predicates.md.
976         * config/fr30/predicates.md: New.
977
978         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
979         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
980         mcore_call_address_operand.
981
982         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
983         general_movsrc_operand.
984
985 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
986
987         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
988         after freeing.
989
990 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
991
992         PR target/14812
993         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
994         a negated value.
995
996 2005-04-04  Richard Henderson  <rth@redhat.com>
997             Jakub Jelinek  <jakub@redhat.com>
998
999         PR rtl-optimization/16104
1000         * fold-const.c (fold_unary): Fix folding of vector conversions.
1001
1002 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1003
1004         * config.gcc (xstormy16-*-elf): Set extra_options.
1005         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
1006         * config/stormy16/stormy16.opt: New file.
1007
1008 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
1009
1010         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
1011         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
1012         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
1013         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
1014         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
1015         (TARGET_UNIX_ASM): Delete.
1016         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
1017         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
1018         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
1019         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1020         * config/pdp11/pdp11.opt: New file.
1021
1022 2005-04-03  Roger Sayle  <roger@eyesopen.com>
1023             Alexandre Oliva  <aoliva@redhat.com>
1024
1025         PR c++/19199
1026         * fold-const.c (non_lvalue): Split tests into...
1027         (maybe_lvalue_p): New function.
1028         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
1029         C++ front-end prior to lowering into gimple form.
1030
1031 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1032
1033         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
1034         BUILT_IN_STRNCASECMP): New.
1035         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
1036         and strndup.
1037
1038 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
1039
1040         PR target/14812
1041         * arm.md (addsi3_compare0_for_combiner): Delete.
1042         (addsi3_compare0_scratch_for_combiner): Delete.
1043         (cmpsi_neg_shiftsi): Delete.
1044         (compare_negsi_si): New pattern.
1045         (cmpsi_negshiftsi_si): New pattern.
1046         (negated_cbranchsi4): Restrict to equality_operator.
1047         
1048         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
1049         template.
1050
1051 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1052
1053         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
1054         Fix comment typos.
1055
1056         * doc/install.texi: Fix a typo.
1057
1058 2005-04-03  Steven Bosscher  <stevenb@suse.de>
1059
1060         PR middle-end/20648
1061         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
1062         a computed goto if the edge to the computed goto block has
1063         incoming abnormal edges.  Clarify how the function works.
1064
1065 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
1066
1067         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
1068         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
1069         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
1070         hash_scan_set, reg_set_between_after_reload_p,
1071         reg_used_between_after_reload_p, get_avail_load_store_reg,
1072         eliminate_partially_redundant_load): Likewise.
1073         * postreload.c (reload_cse_simplify_set,
1074         reload_combine_note_use): Likewise.
1075         * predict.c (predict_insn, expected_value_to_br_prob,
1076         propagate_freq, expensive_function_p): Likewise.
1077         * print-rtl.c (print_rtx): Likewise.
1078         * profile.c (instrument_edges, instrument_values,
1079         compute_branch_probabilities, branch_prob, union_groups,
1080         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
1081         * protoize.c (in_system_include_dir, file_could_be_converted,
1082         file_normally_convertible, gen_aux_info_file, seek_to_line,
1083         do_cleaning): Likewise.
1084         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
1085         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1086         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1087
1088 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1089
1090         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
1091         * modulo-sched.c (undo_replace_buff_elem): New structure.
1092         (kernel_number_of_cycles, ps_unschedule_node,
1093         undo_generate_reg_moves,free_undo_replace_buff,
1094         undo_permute_partial_schedule,  loop_single_full_bb_p,
1095         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
1096         build_loops_structure, get_sched_window): New.
1097         (generate_reg_moves): Return undo_replace_buff_elem and other
1098         fixes.
1099         (generate_prolog_epilog): Remove old loop versioning.
1100         (sms_schedule): Use loop information and loop_version.
1101         (sms_schedule_by_order): Split part of it to get_sched_window.
1102         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
1103         cfg_layout_finalize and free_dominance_info before/after SMS.
1104
1105 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
1106
1107         * cfghooks.c (lv_flush_pending_stmts,
1108         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
1109         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
1110         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
1111         lv_add_condition_to_bb,
1112         lv_adjust_loop_header_phi, extract_cond_bb_edges,
1113         flush_pending_stmts): New in cfg_hooks structure.
1114         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
1115         extract_cond_bb_edges, lv_adjust_loop_header_phi,
1116         lv_add_condition_to_bb): New declarations.
1117         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
1118         bool.
1119         (loop_version): Declare.
1120         * cfgloopmanip.c (cfghooks.h): Include.
1121         (duplicate_loop_to_header_edge): Change return type to bool.
1122         (loop_version, lv_adjust_loop_entry_edge): Move here.
1123         * cfgrtl.c (cfgloop.h): Include.
1124         (rtl_verify_flow_info_1): Fix.
1125         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
1126         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
1127         initialization.
1128         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
1129         tree_lv_add_condition_to_bb): New.
1130         (tree_cfg_hooks): Add new hooks to initialization.
1131         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
1132         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
1133
1134 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
1135
1136         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
1137         xstormy16_below100_or_register,
1138         xstormy16_splittable_below100_or_register, and
1139         nonimmediate_nonstack_operand.
1140
1141         * config/stormy16/stormy16-protos.h: Remove the prototypes for
1142         xstormy16_ineqsi_operator, equality_operator,
1143         inequality_operator, shift_operator,
1144         xstormy16_below100_operand, xstormy16_below100_or_register,
1145         xstormy16_splittable_below100_or_register,
1146         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
1147         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
1148         equality_operator, inequality_operator,
1149         xstormy16_below100_operand, xstormy16_below100_or_register,
1150         xstormy16_splittable_below100_or_register,
1151         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
1152         nonimmediate_nonstack_operand, shift_operator): Move to
1153         predicates.md.
1154         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
1155         * config/stormy16/stormy16.md: Include predicates.md.
1156         * config/stormy16/predicates.md: New.
1157
1158 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1159
1160         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
1161         small_int, large_int, reg_or_0_operand, simple_memory_operand,
1162         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
1163         move_operand, power_of_2_operand): Move to predicates.md.
1164         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
1165         PREDICATE_CODE): Remove.
1166         * config/iq2000/iq2000.md: Include predicates.md.
1167         * config/iq2000/predicates.md: New.
1168
1169 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
1170
1171         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
1172         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
1173         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
1174         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
1175         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
1176         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
1177         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
1178         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1179         (TARGET_M68HC11): Delete.
1180         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
1181         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
1182         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
1183         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
1184         (nb_soft_regs): Delete.
1185         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
1186         (m68hc11_override_options): Remove the code that caters for MASK_M6811
1187         and MASK_M6812 being set simultaneously.  Change the code that sets
1188         the default m68hc11_soft_reg_count to use integers instead of strings.
1189         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
1190         m68hc11_soft_reg_count (which now has an int type) as the number
1191         of soft registers.
1192         * config/m68hc11/m68hc11.opt: New file.
1193
1194 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
1195
1196         * config/fr30/fr30.h (PREDICATE_CODES): Remove
1197         fp_displacement_operand, sp_displacement_operand.
1198
1199         * config/m68hc11/m68hc11-protos.h: Add a prototype for
1200         m68hcc_auto_inc_p.
1201         Remove the prototypes for tst_operand, cmp_operand,
1202         stack_register_operand, d_register_operand,
1203         hard_addr_reg_operand, splitable_operand,
1204         m68hc11_logical_operator, m68hc11_arith_operator,
1205         m68hc11_non_shift_operator, m68hc11_shift_operator,
1206         m68hc11_unary_operator, m68hc11_eq_compare_operator,
1207         non_push_operand, hard_reg_operand, and
1208         reg_or_some_mem_operand.
1209         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
1210         extern.
1211         (tst_operand, cmp_operand, non_push_operand,
1212         splitable_operand, reg_or_some_mem_operand,
1213         stack_register_operand, d_register_operand,
1214         hard_addr_reg_operand, hard_reg_operand,
1215         m68hc11_eq_compare_operator, m68hc11_logical_operator,
1216         m68hc11_arith_operator, m68hc11_non_shift_operator,
1217         m68hc11_shift_operator, m68hc11_unary_operator): Move to
1218         predicates.md.
1219         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
1220         * config/m68hc11/m68hc11.md: Include predicates.md.
1221         * config/m68hc11/predicates.md: New.
1222
1223 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1224
1225         PR debug/19345
1226         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
1227         change checked in along with 2005-03-03's patch for debug/20253.
1228         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
1229         (remap_decl): Insert type decl in map earlier.
1230
1231 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1232
1233         PR tree-optimization/20640
1234         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
1235         post-dominator if it has phi nodes.
1236         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
1237         before dead statements.
1238
1239 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1240
1241         PR middle-end/20491
1242         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
1243
1244 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
1245
1246         PR rtl-optimization/20290
1247         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
1248         in every iteration if the entry point is the exit test.
1249
1250 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
1251
1252         * config/cris/cris.md (attribute "length"): Define.
1253
1254 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
1255
1256         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
1257         (word_offset_memref_operand): New.
1258         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
1259         (indexed_or_indirect_operand): Delete.
1260         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
1261         (indexed_or_indirect_operand): Delete.
1262
1263         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
1264
1265         PR 20650
1266         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
1267         a register.
1268
1269         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
1270         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
1271
1272 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1273
1274         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
1275
1276 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1277
1278         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
1279         (rus, prus): Remove static variables.
1280         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
1281         (process_command): Permit report_times and use_pipes together.
1282
1283 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1284
1285         * c-decl.c (validate_proto_after_old_defn): Look at
1286         TYPE_MAIN_VARIANT of argument types.
1287
1288 2005-04-01  Paul Brook  <paul@codesourcery.com>
1289
1290         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
1291         (arm_output_function_epilogue): Allow call_via_SP.
1292         (thumb_call_via_reg, arm_file_end): Ditto.
1293         * config/arm/arm.h (struct machine_function): Include space for SP.
1294         (thumb_call_via_label): Update declaration.
1295
1296 2005-04-01  Ian Lance Taylor  <ian@airs.com>
1297
1298         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
1299         doing a peephole optimization, once again put any notes in the
1300         proper position.
1301
1302 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1303
1304         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
1305
1306 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1307
1308         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
1309         (block_alloc, find_free_reg): Likewise.
1310         * loop-doloop.c (doloop_modify): Likewise.
1311         * loop-invariant.c (record_use): Likewise.
1312         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
1313         get_iv_value, canon_condition, eliminate_implied_condition,
1314         eliminate_implied_condition, simplify_using_initial_values,
1315         shorten_into_mode, canonicalize_iv_subregs,
1316         iv_number_of_iterations): Likewise.
1317         * loop-unroll.c (expand_var_during_unrolling): Likewise.
1318         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
1319         unswitch_loop): Likewise.
1320         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
1321         move_movables, replace_call_address, find_and_verify_loops,
1322         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
1323         record_giv, final_giv_value, general_induction_var,
1324         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
1325         loop_giv_dump): Likewise.
1326
1327         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
1328         GCOV_CHECK_WRITING): Remove.
1329         (gcov_position, gcov_rewrite): Use gcc_assert.
1330         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
1331         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
1332         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
1333         gcc_assert.
1334
1335 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1336
1337         * tree-inline.c: Fix a typo.
1338
1339 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1340
1341         * configure.ac (enable-checking): Explicitly set all variables for
1342         collective switch values.  Alphabetize variables. Rename
1343         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1344         synonym for 'no'.
1345         * doc/install.texi (enable-checking): Update documentation.
1346         * configure: Rebuilt.
1347
1348 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1349
1350         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1351         possible.
1352
1353 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1354
1355         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1356         Also reject cases where this pattern will cause load delay stalls
1357         unless optimizing for size and it will produce a shorter sequence.
1358         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1359         variants to avoid pre-adjusting the base when possible.
1360
1361 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1362
1363         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1364         the frame and argument pointers.
1365         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1366         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1367         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1368         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1369         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1370         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1371
1372 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1373
1374         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1375         with entry for selectany attribute.
1376         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1377         Declare.
1378         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1379         (i386_pe_asm_named_section): Handle sections generated by
1380         selectany attribute.
1381         * doc/extend.texi (selectany): Document attribute.
1382
1383 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1384             Jan Hubicka  <jh@suse.cz>
1385
1386         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1387         to fix addresses involving EBP and ESP.
1388         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1389         for SUBREGed registers.
1390         (legitimate_address_p): Accept SUBREGed registers.
1391
1392 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR c++/19406
1395         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1396         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1397         for FIELD_DECLs.
1398
1399 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1400
1401         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1402
1403 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1404
1405         PR c++/20505
1406         * dwarf2out.c (rtl_for_decl_init): New function.
1407         (rtl_for_decl_location): Extracted from here.
1408         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1409         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1410
1411 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1412
1413         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1414         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1415         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1416         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1417         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1418         config/i386/i386.md, config/rs6000/predicates.md,
1419         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1420         config/s390/s390.c, config/stormy16/stormy16.c,
1421         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1422         typos.
1423
1424 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1425
1426         PR c/17855
1427         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1428         COND_EXPR and CALL_EXPR.
1429
1430 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1431
1432         PR target/20632
1433         * genautomata.c (first_cycle_unit_presence): Check all alternative
1434         states for unit presence.
1435
1436         * doc/md.texi: Remove remark about impossibility to query unit
1437         presence in non nondeterministic automaton state.
1438         
1439         * config/ia64/ia64.c (get_template): Change order of unit querying.
1440
1441 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1442
1443         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1444         obsolete comment.
1445
1446 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1447
1448         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1449         flag for edges outside any loops.
1450
1451 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1452
1453         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1454
1455 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1456
1457         * tree-ssa-alias.c: Follow spelling conventions.
1458         * doc/tree-ssa.texi: Fix a typo.
1459
1460 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1461
1462         * postreload-gcse.c: Include target.h.
1463         (gcse_after_reload_main): Return early if we cannot modify jumps.
1464         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1465
1466 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1467
1468         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1469         expensive operations.
1470
1471 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1472
1473         * collect2.c (lderrout): New variable.
1474         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1475         if it is set, to stderr.
1476         (handler): Unlink lderrout if it is set.
1477         (dump_file): Add "to" parameter.  Change all callers.
1478         (main): Initialize lderrout.
1479         (collect_execute): Add errname parameter.  Change all callers.
1480         Rename redir parameter to outname.  Never pass
1481         PEX_STDERR_TO_STDOUT to pex_run.
1482         * collect2.h (collect_execute, dump_file): Update declarations.
1483         * tlink.c (tlink_execute): Add errname parameter.  Change all
1484         callers.
1485         (do_tlink): Check lderrout as well as ldout.
1486
1487 2005-03-31  Caroline Tice  <ctice@apple.com>
1488
1489         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1490         (bb-reorder.o): Add errors.h to list of requirements.
1491         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1492         profiledbootstrap flags.
1493         * bb-reorder.c (errors.h): Add new include.
1494         (struct bbro_basic_block_data_def): Add new field, in_trace.
1495         (add_unlikely_executed_notes):  Remove function.
1496         (mark_bb_for_unlikely_executed_section): Remove function.
1497         (insert_section_boundary_note): New function.
1498         (verify_hot_cold_block_grouping): New function.
1499         (push_to_next_round_p): Remove variables and tests that push all
1500         cold blocks to last round.
1501         (find_traces): Remove code that added extra round of trace finding
1502         when doing partitioning.
1503         (find_traces_1_round) :  Remove variable last_round;  add code to 
1504         update new struct field, in_trace; correct trace_length where it was 
1505         incorrect before (after call to copy_bb); change code that pushed all 
1506         cold blocks to last round. Instead verify that all blocks going into 
1507         a trace belong in the same partition.
1508         (connect_traces): Modify to connect the traces in two passes, if the
1509         function contains both hot and cold blocks.  The first pass connects 
1510         all the traces for blocks in the partition that the first block in 
1511         the function belongs to; the second pass connnects all the traces 
1512         containing blocks that belong in the other partition.
1513         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1514         code that automatically put the first block in a function into the
1515         hot partition if the function had any hot blocks.
1516         (fix_crossing_unconditional_branches): Check number of succ edges 
1517         before attempting to get one.
1518         (fix_edges_for_rarely_executed_code):  Update comment describing
1519         function.
1520         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1521         remove call to add_unlikely_executed_notes; add call to 
1522         verify_hot_cold_block_grouping.
1523         (duplicate_computed_gotos): Don't change computed goto if it's a 
1524         crossing edge.
1525         (partition_hot_cold_basic_blocks):  Update function comment.
1526         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1527         condition.
1528         (try_forward_edges): Likewise.
1529         (merge_blocks_move_predecessor_nojumps): Likewise.
1530         (merge_blocks_move_successor_nojumps): Likewise.
1531         (merge_blocks_move): Likewise.
1532         (try_crossjump_bb): Likewise.
1533         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1534         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1535         notes to cold bb's; remove call to update_unlikely_executed_notes.
1536         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1537         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1538         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1539         function declaration.
1540         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1541         from consideration.
1542         (rtl_can_merge_blocks): Remove redundancy from condition.
1543         (try_redirect_by_replacing_jump): Likewise.
1544         (force_nonfallthru_and_redirect): Remove code for adding
1545         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1546         (commit_one_edge_insertion): Likewise.
1547         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1548         * dbxout.c (FORCE_TEXT): Replace function_section with 
1549         current_function_section.
1550         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1551         function, switch_text_section.
1552         (struct xcoff_debug): Likewise.
1553         (dbxout_function_end): Add code to put out label diffs for both
1554         hot and cold sections.
1555         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1556         for new debug_hooks funciton, switch_text_section..
1557         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1558         switch_text_section.
1559         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1560         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1561         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1562         dw_fde_switched_sections.
1563         (output_call_frame_info):  Add test to see if function switches text
1564         sections in the middle; if so, use appropriate extra hot and cold 
1565         section labels to compute size deltas for the hot and cold sections.
1566         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1567         dw_fde_struct.
1568         (dwarf2out_switch_text_section): New function (invoked through 
1569         debug_hook); updates new fields in dw_fde_struct appropriately and
1570         increments separate_line_info_table_in_use.
1571         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1572         dwarf2out_switch_text_section.
1573         (struct var_loc_node): Add new field, section_label.
1574         (output_aranges): Add code to check whether in hot or cold section and
1575         use the appropriate label in calculating deltas.
1576         (output_ranges): Likewise.
1577         (output_line_info): Add code to check which section we're in and
1578         use appropriate hot/cold label.
1579         (add_location_or_constant_value_attribute): Likewise.
1580         (gen_subprogam_die): Modify arange attributes to use correct labels.
1581         (dwarf2out_begin_block): Change call to function_section into call to
1582         current_function_section.
1583         (dwarf2out_end_block): Likewise.
1584         (dwarf2out_source_line): Likewise.
1585         (dwarf2out_var_location): Add code to check whether in hot or cold 
1586         section and use the appropriate label.
1587         * except.c (output_function_exception_table): Change call to 
1588         function_section into call to current_function_section.
1589         * final.c (profile_function): Likewise.
1590         (scan_ahead_for_unlikely_executed_note): Remove function.
1591         (final_scan_insn):  Remove calls to 
1592         scan_ahead_for_unlikely_executed_note, and related code for switching 
1593         to cold section, except for the single time 
1594         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1595         debug_hooks->switch_text_sections; replace appropriate calls to 
1596         function_section with calls to current_function_section.
1597         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1598         test_bb to condition.
1599         (find_if_case_2): Likewise.
1600         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1601         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1602         * opts.c (decode_options): Change warning about hot/cold partitioning
1603         with exceptionss to inform (so as not to cause bootstrap failures);
1604         remove warning about partitioning with DWARF debug info.
1605         * output.h (current_function_section): Add new function decl.
1606         (insert_section_boundary_note): Likewise.
1607         (enum in_section): Move this declaration here from varasm.c.
1608         (unlikely_section_label): Likewise.
1609         (unlikely_text_section_name): Likewise.
1610         (last_text_section_name): New global variable.
1611         (last_text_section): Likewise.
1612         (hot_section_label): Likewise.
1613         (hot_section_end_label): Likewise.
1614         (cold_section_end_label): Likewise.
1615         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1616         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1617         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1618         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1619         insn from consideration.
1620         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1621         switch_text_section.
1622         * varasm.c (basic-block.h): Add new include.
1623         (unlikely_section_label_printed): Remove global variable.
1624         (unlikely_section_label): Make global variable not be static any more.
1625         (unlikely_text_section_name): Likewise.
1626         (hot_section_end_label): New global variable (not static)
1627         (first_function_block_is_cold): Likewise.
1628         (hot_section_label): Likewise.
1629         (cold_section_end_label): Likewise..
1630         (last_text_section): New global variable, not static.
1631         (last_text_section_name): New global variable, not static.
1632         (initialize_cold_section_name): New function.
1633         (enum in_section): Move declaration to output.h.
1634         (text_section): Update last_text_section.
1635         (unlikely_text_section): Replace code to determine cold section name 
1636         with call to initialize_cold_section_name; Add code to update 
1637         last_text_section; remove code for printing out label.
1638         (named_section_real): Add code to update last_text_section and 
1639         last_text_section_name as appropriate.
1640         (function_section): Change test for 'unlikely' to depend on
1641         first_function_block_is_cold (moved old test to 
1642         current_function_section).
1643         (current_function_section): New function.
1644         (assemble_start_function): Move code that frees 
1645         unlikely_text_section_name; initialize hot_section_end_label; 
1646         print hot and cold section labels at the start of the function; 
1647         set first_function_block_is_cold, if appropriate; initialize l
1648         ast_text_section; add call to insert_section_boundary_note.
1649         (assemble_end_function):  Add code to write out hot and cold section
1650         end labels.
1651         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1652         switch_text_section.
1653         * config/darwin.c (machopic_select_section): Replace incorrect 
1654         function in base_funs; update reloc for cold sections if necessary.
1655         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1656         last_text_section if appropriate.
1657         (text_unlikely_section): Remove.
1658         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1659         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1660         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1661         partitioning for this architecture.
1662
1663 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1664
1665         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1666         defined and non-zero.
1667
1668 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1669
1670         PR c++/18644
1671         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1672         semantics. 
1673
1674 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1675
1676         PR target/20611
1677         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1678         label operand.  Remove (use (unspec..)).  Don't emit a label on
1679         the offset word.
1680         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1681         generate inline label for load_toc_v4_PIC_1b.
1682         (rs6000_emit_load_toc_table): Likewise.
1683
1684 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1685
1686         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1687         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1688
1689 2005-03-29  Devang Patel  <dpatel@apple.com>
1690
1691         * tree-sra.c (decide_block_copy): Disable scalarization of
1692         sub-elements.
1693         
1694 2005-03-30  Stuart Hastings  <stuart@apple.com>
1695             Dale Johannesen  <dalej@apple.com>
1696
1697         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1698         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1699
1700 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1701
1702         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1703         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1704         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1705         is given with "powerpc64*" or "all", or when --with-cpu chooses
1706         a 64-bit cpu.
1707
1708 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1709
1710         PR debug/20268
1711         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1712         gen_lexical_block_die.
1713         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1714
1715 2005-03-31  Jan Hubicka  <jh@suse.cz>
1716
1717         2004-11-02  Jan Hubicka  <jh@suse.cz>
1718
1719         * cgraph.c (cgraph_varpool_node_name): New function.
1720         (dump_cgraph_varpool_node): New function.
1721         (dump_varpool): New function.
1722         * cgraphunit.c (cgraph_optimize): Dump varpool.
1723
1724         2004-10-16  Jan Hubicka  <jh@suse.cz>
1725
1726         * cgraph.c (decide_is_variable_needed): New function.
1727         (cgraph_varpool_finalize_decl): Use it.
1728         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1729         unit-at-a-time.
1730         * final.c (output_addr_const): Do not call mark_referenced.
1731         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1732         always go via cgraph.
1733         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1734         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1735         * tree-optimize.c (execute_inline): Mark functions called.
1736         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1737
1738         2004-10-11  Jan Hubicka  <jh@suse.cz>
1739
1740         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1741         (cgraph_varpool_last_needed_node): New static variable.
1742         (enqueue_needed_varpool_node): Break out from ...; add items to the
1743         end of queue; update first pointers.
1744         (cgraph_varpool_mark_needed_node): ... here.
1745         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1746         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1747         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1748         (cgraph_varpool_first_unanalyzed_node): Declare.
1749         * cgraphunit.c: Include output.h.
1750         (cgraph_varpool_analyze_pending_decls): New function.
1751         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1752         for errors, analyze pending decls.
1753         (cgraph_finalize_compilation_unit): Only analyze decls.
1754         (cgraph_optimize): Assemble the decls after expanding.
1755
1756 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1757
1758         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1759         subvars get marked properly in tags for grouping.
1760         (add_pointed_to_var): Mark only actual pointed to
1761         variables/subvars in addresses needed.
1762         (create_overlap_variables_for): Clear call clobbered on original
1763         variable.
1764         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1765         addresable vars with subvars into list.
1766         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1767         subvar should be.
1768
1769 2005-03-30  Richard Henderson  <rth@redhat.com>
1770
1771         * cgraph.h (struct cgraph_node): Add alias.
1772         * varasm.c (assemble_alias): Set it.
1773         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1774         avoid calling cgraph_expand_function.
1775
1776 2005-03-30  Tom Tromey  <tromey@redhat.com>
1777
1778         * tree.def (FILE_TYPE): Removed.
1779         * typeclass.h (enum type_class): Removed file_type_class.
1780         * dwarf2out.c (is_base_type): Updated.
1781         (gen_type_die): Likewise.
1782         * dbxout.c (dbxout_type): Updated.
1783         * builtins.c (type_to_class): Updated.
1784         * tree.c (type_contains_placeholder_1): Updated.
1785         * config/sparc/sparc.c (sparc_type_code): Updated.
1786         * config/ia64/ia64.c (hfa_element_mode): Updated.
1787         * expr.c (count_type_elements): Updated.
1788         * stor-layout.c (layout_type): Updated.
1789         * tree-inline.c (remap_type): Updated.
1790         * tree-pretty-print.c (dump_generic_node): Updated.
1791
1792 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1793
1794         * builtins.c (expand_builtin_powi): Fix mode of
1795         2nd argument to match int.
1796         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1797         2nd argument type to int.
1798         * libgcc2.c: Change prototype of __powi* functions to use
1799         int.
1800
1801 2005-03-30  Dale Johannesen  <dalej@apple.com>
1802
1803         PR middle-end/19225
1804         * calls.c (expand_call):  Flush pending deferrals before
1805         throwing call.
1806
1807 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1808
1809         PR c/772
1810         PR c/17913
1811         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1812         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1813         c_label_context, label_context_stack): New.
1814         * c-decl.c (define_label): Check for jumps into statement
1815         expressions.  Add label to list of defined labels.
1816         (start_function): Push context on label_context_stack.
1817         (finish_function): Pop context from label_context_stack.
1818         * c-typeck.c (label_context_stack): New.
1819         (c_finish_goto_label): Check for jumps into statement
1820         expressions.  Add label to list of jumped to labels.
1821         (struct c_switch): Add blocked_stmt_expr.
1822         (c_start_case): Initialize it.
1823         (do_case): Check it.
1824         (c_finish_case): Verify !blocked_stmt_expr.
1825         (c_begin_stmt_expr):  Push context on label_context_stack.
1826         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1827         as undefinable.
1828         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1829         defined in the statement expression and no longer jumpable to.
1830         Mark labels jumped to from just outside the statement expression
1831         as again definable.  Pop context from label_context_stack.
1832         * doc/extend.texi (Statement Exprs): Update.
1833
1834 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1835
1836         PR c/20368
1837         * c-decl.c (start_function): Check for old_decl being
1838         error_mark_node.
1839
1840 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1841
1842         * final.c (final): Remove prescan parameter.  Change all callers.
1843         (final_scan_insn): Remove prescan parameter.  Change all callers.
1844
1845 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1846
1847         * tree-vectorizer.c: Fix comment typos.
1848
1849 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1850
1851         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1852         as soon as a chrec_dont_know is detected.
1853
1854 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1855
1856         Merge from csl-arm-branch.
1857         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1858
1859         * tlink.c (recompile_files): Do not assume that "rename" can
1860         overwrite an existing file.
1861
1862 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1863
1864         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1865         * gcc/configure: Regenerate.
1866
1867 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1868
1869         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1870
1871         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1872
1873         * calls.c (struct arg_data): Update "partial" comment.
1874         (load_register_parameters): Update "nregs" comment.
1875
1876 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1877
1878         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1879         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1880         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1881         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1882         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1883         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1884         than target_flags & 0.
1885         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1886         (iq2000_arch, iq2000_parse_cpu): Delete.
1887         (TARGET_HANDLE_OPTION): Override default.
1888         (iq2000_handle_option): New function.
1889         (override_options): Remove -march= and -mcpu= handling.
1890         * config/iq2000/iq2000.opt: New file.
1891
1892 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1893
1894         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1895         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1896         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1897         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1898         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1899         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1900         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1901         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1902         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1903         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1904         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1905         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1906         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1907         (TARGET_OPTIONS): Delete.
1908         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1909         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1910         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1911         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1912         (c4x_cpu_version_string): Delete.
1913         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1914         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1915         equivalent -mcpu= option.
1916         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1917         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1918         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1919         or clearing the appropriate MASK_* bit.
1920         (c4x_file_start): Use c4x_cpu_version.
1921         * config/c4x/c4x.opt: New file.
1922
1923 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1924
1925         * doc/options.texi: Document the new MaskExists flag.
1926         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1927         if the option has the MaskExists flag.
1928
1929 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1930
1931         * opt-functions.awk (flag_set_p, test_flag): New functions.
1932         (switch_flags): Use them.
1933         * opth-gen.awk: Use flag_set_p to check for flags.
1934         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1935
1936 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1937
1938         * config.host (i[34567]86-*-mingw32*): Don't set
1939         host_can_use_collect2 to no.
1940
1941 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1942
1943         PR target/20203
1944         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1945         Remove convert_memory_address call duplicating that in memory_address.
1946
1947 2005-03-29  Richard Henderson  <rth@redhat.com>
1948
1949         PR c/20519
1950         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1951         (build_compound_literal): Likewise.  Propagate decl type into the
1952         initializer.
1953         (finish_decl): Likewise.  Use new return value from complete_array_type
1954         for zero sized arrays.
1955         (complete_array_type): Move ...
1956         * c-common.c (complete_array_type): ... here.  Change first argument
1957         to pointer-to-type-node.  Consistently use sizetype for the index
1958         except for zero sized arrays.  Detect zero sized arrays for pedantic
1959         mode diagnostics.  Create a new type node instead of modifying the
1960         old node in place.
1961         * c-tree.h (complete_array_type): Move decl ...
1962         * c-common.h (complete_array_type): ... here.
1963
1964 2005-03-29  Richard Henderson  <rth@redhat.com>
1965
1966         PR tree-opt/19108
1967         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1968
1969 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1970
1971         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1972         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1973         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1974         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1975
1976 2005-03-29  Eric Christopher  <echristo@redhat.com>
1977
1978         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1979         truthvalue conversion removal.
1980
1981 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1982
1983         PR bootstrap/14316
1984         * collect2.c: Never include <vfork.h>.
1985         (VFORK_STRING, vfork): Don't define.
1986         (pid): Remove global variable.
1987         (handler): Call raise instead of kill (getpid(), ...).
1988         (collect_wait): Add pex parameter.  Change all callers.  Use
1989         pex_get_status rather than pwait.
1990         (do_wait): Add pex parameter.  Change all callers.
1991         (collect_execute): Return struct pex_obj * rather than void.  Use
1992         pex routines rather than pexecute.
1993         (fork_execute): Get pex_obj from collect_execute, and pass it to
1994         do_wait.
1995         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1996         Only declare quit_handler if SIGQUIT is defined.
1997         (scan_libraries): Likewise.
1998         * collect2.h (collect_execute): Update declaration.
1999         (collect_wait): Update declaration.
2000         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
2001         pass it to collect_wait.
2002
2003 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
2004
2005         PR c/20672
2006         * c-parser.c (c_parser_compound_statement_nostart): Give error
2007         message for EOF instead of just setting parser->error.
2008
2009 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
2010
2011         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
2012         (slpeel_update_phi_nodes_for_guard1): New function.
2013         (slpeel_update_phi_nodes_for_guard2): New function.
2014         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
2015         of slpeel_update_phi_nodes_for_guard.
2016         (vectorize_loops): Remove call to loop_closed_rewrite.
2017         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
2018         assertion.
2019
2020 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
2021
2022         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
2023         (TARGET_LITTLE_ENDIAN): New macro.
2024         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
2025         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
2026         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
2027         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
2028         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
2029         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
2030         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
2031         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
2032         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
2033         (TARGET_OPTIONS): Delete.
2034         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
2035         (CACHE_FLUSH_TRAP): Turn into an integer.
2036         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
2037         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
2038         -mflush-trap is in use.
2039         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
2040         (m32r_cache_flush_trap_string): Delete.
2041         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
2042         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
2043         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
2044         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2045         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
2046         -mmodel= and -msdata= handling from...
2047         (m32r_init): ...here.
2048         * config/m32r/m32r.opt: New file.
2049
2050 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
2051
2052         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
2053         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
2054         * tree-vect-analyze.c (vect_object_analysis): additional parm
2055         pass back a "struct ptr_info_def *" with the points-to info.
2056         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
2057         statement using info returned from vect_object_analysis.
2058         * tree-vect-transform.c (update_vuses_to_preheader): New function.
2059         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
2060         for virtual uses and defs when creating a replacement vector
2061         reference.  Call duplicate_ssa_name_ptr_info to define points-to
2062         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
2063         (vectorizable_store): copy_virtual_operands and update
2064         definition statements.
2065         (vectorizable_load): copy_virtual_operands.  Remove call to
2066         mark_call_clobbered_vars_to_rename for call to "const" builtin.
2067         * tree-vectorizer.c (vectorize_loops): Remove calls to
2068         rewrite_into_ssa and bitmap_clear (vars_to_rename).
2069         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
2070         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
2071         define macro STMT_VINFO_PTR_INFO for use in accessing.
2072         * tree.h add export of duplicate_ssa_name_ptr_info.
2073         * rs6000.c (altivec_init_builtins): Declare builtin function
2074         __builtin_altivec_mask_for_load to be "const".
2075
2076 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
2077
2078         PR middle-end/20622
2079         * cgraph.h (struct cgraph_varpool_node): Add alias field.
2080         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
2081         assemble_variable on aliases.
2082         * varasm.c (assemble_alias): Set node->alias.
2083         * toplev.c (wrapup_global_declarations): Don't call
2084         rest_of_decl_compilation on aliases again.
2085
2086 2005-03-29  Paul Brook  <paul@codesourcery.com>
2087
2088         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
2089         * config/arm/arm.c (arm_dbx_register_number): New function.
2090         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
2091
2092 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
2093
2094         PR middle-end/20263
2095         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
2096         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
2097
2098 2005-03-29  Dale Johannesen <dalej@apple.com>
2099
2100         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
2101         $(TREE_H) and $(COVERAGE_H).
2102         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
2103         * opts.c (common_handle_option): Enable tree-based value transforms.
2104         * toplev.c (process_options): Ditto.
2105         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
2106         refers to references to this type.
2107         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
2108         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
2109         for may_be_more, may_be_less.
2110         (rtl_gen_pow2_profiler): Adjust.
2111         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
2112         (rtl_gen_one_value_profiler): Adjust.
2113         (rtl_gen_const_delta_profiler): Adjust.
2114         * tree-profile.c (tree_gen_interval_profiler): Implement.
2115         (tree_gen_pow2_profiler): Ditto.
2116         (tree_gen_one_value_profiler): Ditto.
2117         (tree_profiling): New.
2118         (pass_tree_profile): Reference it.
2119         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
2120         tree.h, gcov-io.h.
2121         (insn_divmod_values_to_profile): Rename to
2122         rtl_divmod_values_to_profile. Adjust.
2123         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
2124         (insn_prefetch_values_to_profile): Adjust.
2125         (rtl_value_profile_transformations): Adjust.
2126         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
2127         (gen_mod_pow2): Rename to rtl_mod_pow2.
2128         (gen_mod_subtract): Rename to rtl_mod_subtract.
2129         (divmod_fixed_value_transform): Rename to
2130         rtl_divmod_fixed_value_transform.
2131         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
2132         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
2133         (rtl_find_values_to_profile): Adjust.
2134         (tree_value_profile_transformations): Implement.
2135         (tree_divmod_values_to_profile): New.
2136         (tree_values_to_profile): New.
2137         (tree_divmod_fixed_value): New.
2138         (tree_mod_pow2): New.
2139         (tree_mod_subtract): New.
2140         (tree_divmod_fixed_value_transform): New.
2141         (tree_mod_pow2_value_transform): New.
2142         (tree_mod_subtract_transform): New.
2143         (tree_find_values_to_profile): Implement.
2144         * profile.c (instrument_values):  Free histograms.
2145         (compute_value_histograms): Adjust. Implement tree version.
2146
2147 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
2148
2149         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
2150         * config/i386/i386.c (output_fix_trunc): Add new round_mode
2151         variable.  Output "fldcw" depending on round_mode.
2152         * config/i386/i386.md (UNSPEC_FIST): New.
2153         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
2154         New isns patterns to implement lrint and llrint built-ins as x87
2155         intrinsic function.
2156         (fistdi2, fist<mode>2 splitters): New splitters.
2157         (lrint<mode>2): New expanders.
2158
2159 2005-03-28  Ian Lance Taylor  <ian@airs.com>
2160
2161         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
2162         0 when calling final_scan_insn.
2163
2164 2005-03-28  Jan Hubicka  <jh@suse.cz>
2165
2166         PR middle-end/20635
2167         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
2168         as needed.
2169
2170         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
2171         types where possible.
2172
2173 2005-03-26  Per Bothner  <per@bothner.com>
2174
2175         Make -f[no-]show-column also control non-cpp diagnostics.
2176         * c.opt (fshow-column): Move option from here ...
2177         * common.opt (fshow-column): ... to here.
2178         * diagnostic.c (diagnostic_build_prefix): Only print column number
2179         if flag_show_column.
2180
2181 2005-03-27  Steven Bosscher  <stevenb@suse.de>
2182
2183         * vax-protos.h (vax_output_int_move, vax_output_int_add,
2184         vax_output_conditional_branch): New prototypes.
2185         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
2186         extracted from vax.md mov and add patterns.
2187         (vax_output_conditional_branch): New function to output conditional
2188         branch instructions.
2189         * vax.md: Use mode macros for arithmetic and mov patterns.
2190         Use code macros for the jump patterns.
2191
2192 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2193
2194         * Makefile.in (libbackend.o): Depend on version files;
2195         add custom generation command.
2196
2197 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
2198
2199         PR target/20636
2200         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
2201         sure that we have a REG before getting its REGNO.
2202
2203 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2204
2205         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
2206         * builtins.def (BUILT_IN_STRNDUP): New.
2207
2208 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
2209
2210         PR tree-optimization/20470
2211         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
2212         ABS(x-y).
2213
2214 2005-03-25  Mike Stump  <mrs@apple.com>
2215
2216         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
2217         sized objects.
2218
2219 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
2220
2221         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
2222         Use our own structure definitions.
2223
2224         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
2225         (fix_truncdfsi2): Allow registers or memory as destination.
2226         When TARGET_PPC_GFXOPT, generate simplified pattern.
2227         (fix_truncdfsi2_internal): Use define_insn_and_split.
2228         (fix_truncdfsi2_internal_gfxopt): New.
2229         (fctiwz): Don't confuse register allocation by giving it no choices.
2230         (stfiwx): New.
2231         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
2232         (EXTRA_MEMORY_CONSTRAINT): Likewise.
2233         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
2234         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
2235
2236 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2237
2238         * dominance.c (free_dominance_info): Speed up by freeing et
2239         data structures without maintaining other nodes.
2240         * et-forest.c (et_free_tree_force): New.
2241         * et-forest.h: Add a prototype for et_free_tree_force.
2242
2243         * tree.c (get_set_constructor_bits,
2244         get_set_constructor_bytes): Remove.
2245         * tree.h: Remove the corresponding prototypes.
2246
2247 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2248
2249         PR target/15491
2250         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
2251         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
2252         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
2253         PRE_DEC, NEG and NOT.
2254
2255 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
2256
2257         * fold-const.c: Convert uses of fold (build (...)) to
2258         fold_buildN.
2259
2260 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
2261
2262         PR rtl-optimization/20249
2263         * cse.c (insert_regs): Do not record equivalence of registers in
2264         different modes.
2265
2266 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
2267
2268         * emit-rtl.c (reverse_comparison): Remove.
2269         * rtl.h: Remove the corresponding prototype.
2270
2271 2005-03-24  James E Wilson  <wilson@specifixinc.com>
2272
2273         * doc/install.texi (--enable-altivec): Delete docs.
2274
2275 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
2276
2277         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
2278         SFmode and DFmode before reload when
2279         flag_unsafe_math_optimizations not enabled.
2280
2281 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
2282
2283         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
2284
2285         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
2286         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
2287
2288 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
2289
2290         * configure.ac (enable-checking): Add 'runtime' option.
2291         * doc/install.texi (enable-checking): Document 'runtime' checking.
2292         * tsystem.h (gcc_assert, gcc_unreachable): Define.
2293         * config.in: Regenerated.
2294         * configure: Regenerated.
2295
2296 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
2297
2298         * optabs.h (enum optab_index): Remove OTI_llrint.
2299         (llrint_optab): Remove macro.
2300         * optabs.c (init_optabs): Remove llrint_optab initialization.
2301         * genopinit.c (optabs): Remove llrint_optab implementation.
2302         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
2303         using lrint_optab.
2304
2305 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
2306
2307         PR rtl-optimization/20532
2308         * simplify-rtx.c (simplify_binary_operation_1): Protect from
2309         overflow when adding coefficients for PLUS or MINUS.
2310         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
2311         two as multiplier.
2312
2313 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2314
2315         * langhooks.h (truthvalue_conversion): Remove.
2316         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2317         LANG_HOOKS_TRUTHVALUE_CONVERSION.
2318         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
2319         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
2320         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
2321
2322 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
2323
2324         * params.def: Fix a typo.
2325         * config/mips/mips.c: Follow the spelling convensions.
2326         * doc/invoke.texi: Fix typos.
2327
2328 2005-03-18  Dale Johannese  <dalej@apple.com>
2329
2330         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
2331
2332 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
2333
2334         Fix PR tree-optimization/20601
2335
2336         * tree-ssa-pre.c (insert_aux): Add missing condition to
2337         constification.
2338
2339 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2340
2341         * final.c (final_scan_insn): Don't remove no-op instructions.
2342         * reload1.c (reload): Remove simple no-op instructions even when
2343         not optimizing.
2344
2345 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2346
2347         PR tree-optimization/20501
2348         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2349         reporting that peeling for alignment is applied moved to...
2350         * (vect_analyze_data_refs_alignment): Here.
2351
2352 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2353
2354         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2355
2356 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2357
2358         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2359         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2360
2361 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2362
2363         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2364         imply that this is called once, independent of asms in code.
2365         Adjust to now being pased output and input lists.  Mention helper
2366         function decl_overlaps_hard_reg_set_p.
2367         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2368         hook_tree_tree_identity and to take three trees, returning third.
2369         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2370         prototype.
2371         * stmt.c: include hard-reg-set.h before tree.h.
2372         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2373         (decl_conflicts_with_clobbers_p): Call
2374         decl_overlaps_hard_reg_set_p.
2375         (expand_asm_operands): Pass output and input lists in call to
2376         targetm.md_asm_clobbers.
2377         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2378         hook_tree_tree_tree_tree_3rd_identity.
2379         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2380         parameters.
2381         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2382         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2383         parameters, first two unused.
2384         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2385         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2386         in constraint letters and MOF is not mentioned as a asm-declared
2387         register in neither of the input and output lists.
2388
2389 2005-03-23  DJ Delorie  <dj@redhat.com>
2390
2391         * optabs.c (expand_binop): Make sure the first subword's result
2392         gets stored.
2393
2394 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2395
2396         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2397         Call c_common_truthvalue_conversion rather than
2398         lang_hooks.truthvalue_conversion.
2399         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2400         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2401         c-typeck.c.
2402         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2403         c_common_truthvalue_conversion.
2404         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2405         c_parser_conditional_expression, c_parser_binary_expression): Call
2406         c_objc_common_truthvalue_conversion.
2407         * c-typeck.c (build_unary_op): Call
2408         c_objc_common_truthvalue_conversion.
2409         (build_conditional_expr): Do not call
2410         lang_hooks.truthvalue_conversion.
2411         (build_binary_op): Call c_common_truthvalue_conversion.
2412         (c_objc_common_truthvalue_conversion): Moved from
2413         c-objc-common.c.  Call default_function_array_conversion instead
2414         of default_conversion.
2415
2416 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2417
2418         * c-common.h (default_conversion): Remove.
2419         (perform_integral_promotions): Add.
2420         * c-tree.h (default_conversion): Add.
2421         * c-typeck.c (perform_integral_promotions): New, split out from
2422         default_conversion.
2423         * c-common.c (check_case_value): Use perform_integral_promotions,
2424         not default_conversion.
2425         (c_add_case_label): Don't continue processing case label after
2426         found to be pointer.
2427
2428 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2429
2430         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2431         the prefix list if we have already added a multilib directory
2432         based on that path.
2433         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2434         search with -L.
2435
2436 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2437
2438         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2439         static.
2440         * reload.h: Remove the prototype for indirect_symref_ok.
2441
2442         * reload1.c (indirect_symref_ok): Make it global.
2443         * reload.h: Add a prototype for indirect_symref_ok.
2444
2445 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2446
2447         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2448         ashlhi3 expander.
2449
2450 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2451
2452         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2453
2454 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2455
2456         * c-opts.c (c_common_parse_file): Only start/end main source file
2457         if debug hooks says the writer wants it.
2458         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2459         member.
2460         (xcoff_debug_hooks): Ditto.
2461         * debug.c (do_nothing_hooks): Ditto.
2462         * debug.h (gcc_debug_hooks): Ditto.
2463         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2464         * sdbout.c (sdb_debug_hooks): Ditto.
2465         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2466
2467 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2468
2469         * doc/extend.texi: Deprecate C++ min/max operators.
2470
2471 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2472
2473         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2474         artificial original candidates.
2475
2476 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2477             Jan Hubicka  <jh@suse.cz>
2478             Steven Bosscher <stevenb@suse.de>
2479
2480         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2481         call cost based on argument sizes.
2482         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2483         inlining.
2484         * params.def: (max-inline-inssn-single): Set to 450.
2485         (max-inline-insns-auto): Set to 90.
2486         (max-inline-insns-recursive): Set to 450
2487         (max-inline-insns-recursive-auto): Set to 450.
2488         (large-function-insns): Set to 2700.
2489         (inline-call-cost): New parameter.
2490         * tree-inline.c (estimate_move_cost): New function.
2491         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2492         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2493         based on arguments.
2494         * tree-inline.h (estimate_move_cost): Declare.
2495         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2496         (max-inline-insns-auto): Change default to 90.
2497         (max-inline-insns-recursive): Change default to 450
2498         (max-inline-insns-recursive-auto): Change default to 450.
2499         (large-function-insns): Change default to 2700.
2500         (inline-call-cost): Document new parameter.
2501
2502 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2503
2504         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2505         (TARGET_DEFAULT): Delete.
2506         * config/i860/i860.opt: New file.
2507
2508 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2509
2510         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2511         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2512         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2513         (frv_sched_lookahead): Delete.
2514         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2515         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2516         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2517         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2518         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2519         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2520         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2521         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2522         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2523         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2524         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2525         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2526         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2527         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2528         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2529         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2530         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2531         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2532         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2533         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2534         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2535         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2536         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2537         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2538         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2539         (frv_sched_lookahead): Delete.
2540         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2541         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2542         (frv_handle_option): New function.  Move -mcpu= handling from...
2543         (frv_override_options): ...here.  Remove handling of other
2544         TARGET_OPTIONS.
2545         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2546         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2547         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2548         and TARGET_NO_MULTI_CE.
2549         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2550         !TARGET_VLIW_BRANCH.
2551         * config/frv/frv.opt: New file.
2552
2553 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2554
2555         * fold-const.c (fold_ternary): Take decomposed arguments of
2556         CALL_EXPR.
2557         (fold): Update a call to fold_ternary.
2558
2559         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2560         * tree.h: Add corresponding prototypes.
2561
2562 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2563
2564         PR target/20561
2565         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2566         between jump table and its label.
2567         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2568         resp. ADDR_DIFF_VEC and the label preceeding it.
2569         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2570         is emitted in the right section.
2571
2572 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2573
2574         * fold-const.c (fold_unary, fold_binary): Update comments
2575         about arguments.
2576
2577 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2578
2579         PR rtl-optimization/20527
2580         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2581         REG_INC note, test that the register also isn't mentioned in PRED
2582         or SUCC.
2583
2584 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2585
2586         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2587         and definition.
2588
2589 2005-03-21  Mike Stump  <mrs@apple.com>
2590
2591         * varasm.c (default_assemble_visibility): Remove extra ().
2592
2593 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2594
2595         PR middle-end/20557
2596         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2597         to determine whether a block can be duplicated, rather than test
2598         whether the block contains noncopyable insns ourselves.
2599
2600 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2601
2602         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2603         predicates.
2604
2605 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2606
2607         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2608
2609 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2610
2611         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2612         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2613         * config/fr30/fr30.opt: New file.
2614
2615 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2616
2617         Fix PR tree-optimization/20542
2618
2619         * tree-flow-inline.h (overlap_subvar): Move to here.
2620         * tree-ssa-operands.c: From here.
2621         * tree-flow.h (overlap_subvar): Declare.
2622         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2623         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2624         for variables with subvars.
2625
2626 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2627
2628         PR middle-end/20177
2629         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2630         * modulo-sched.c (const_iteration_count): Return on NULL
2631         pre-header.
2632         (print_node_sched_params): Return on NULL dump_file.
2633         (generate_reg_moves): Handle reg-anti dependencies and disregard
2634         closing branch when generating register moves.
2635         (sms_schedule): Mark the SMSed block dirty.
2636         * passes.c (rest_of_handle_sms): Call update_life_info for all
2637         basic-blocks.
2638         * testsuite/gcc.dg/20050321-1.c: New test.
2639
2640 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2641
2642         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2643         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2644         movqi_internal): Likewise.
2645
2646 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2647
2648         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2649         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2650         xtensa_b4const): Delete prototypes.
2651         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2652         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2653         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2654         xtensa_extra_constraint): New prototypes.
2655         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2656         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2657         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2658         move_operand, const_float_1_operand, fpmem_offset_operand,
2659         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2660         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2661         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2662         argument type to HOST_WIDE_INT.
2663         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2664         xtensa_mask_immediate): Likewise.
2665         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2666         Likewise.  Also make these functions static.
2667         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2668         (xtensa_const_ok_for_letter_p): New.
2669         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2670         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2671         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2672         move_operand, const_float_1_operand, fpmem_offset_operand,
2673         branch_operator, ubranch_operator, boolean_operator): Move to
2674         predicates.md.
2675         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2676         (xtensa_mem_offset): Change return type to bool.
2677         (xtensa_extra_constraint): New.
2678         (gen_int_relational): Update type of const_range_p function pointer.
2679         Use xtensa_b4const_or_zero.
2680         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2681         xtensa_const_ok_for_letter_p.  Update comments.
2682         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2683         (PREDICATE_CODES): Delete.
2684         * config/xtensa/xtensa.md: Include predicates.md.
2685         * config/xtensa/predicates.md: New file.
2686
2687 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2688
2689         * config/v850/v850-protos.h: Remove the prototypes for
2690         reg_or_int9_operand, reg_or_const_operand,
2691         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2692         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2693         movsi_source_operand, power_of_two_operand,
2694         not_power_of_two_operand, special_symbolref_operand,
2695         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2696         register_is_ok_for_epilogue.
2697         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2698         reg_or_int9_operand, reg_or_const_operand,
2699         call_address_operand, special_symbolref_operand,
2700         movsi_source_operand, power_of_two_operand,
2701         not_power_of_two_operand, register_is_ok_for_epilogue,
2702         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2703         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2704         predicates.md.
2705         * config/v850/v850.h (PREDICATE_CODES): Remove.
2706         * config/v850/v850.md: Include predicates.md.
2707         * config/v850/predicates.md: New.
2708
2709 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2710
2711         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2712         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2713         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2714         (itoolsdir, itoolsdatadir): Move definition above new first use.
2715         (install-itoolsdirs): New rule.
2716         (install-mkheaders): Depend on install-itoolsdirs, not
2717         install-include-dir.
2718
2719 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2720
2721         * tree-into-ssa.c: Remove obsolete comments.
2722
2723 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2724
2725         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2726         unrolling if -fpeel-loops is specified, too.
2727         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2728         Remove superfluous check for flag_unroll_loops.
2729
2730 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2731
2732         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2733         (lrint_optab, llrint_optab): Define corresponding macros.
2734         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2735         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2736         pattern and llrint_optab using llrintdi2 patterns.
2737         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2738         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2739         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2740         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2741         flag_unsafe_math_optimizations is set.
2742
2743 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2744
2745         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2746         simplify_logical, if_then_else_cond, known_cond,
2747         simplify_comparison): Adjust calls to reverse_comparison.
2748         Don't use combine_reversed_comparison_code).
2749         (combine_reversed_comparison_code): Remove.
2750         (reversed_comparison): Using reversed_comparison_code, move it...
2751         * jump.c (reversed_comparison): ... here.
2752         * rtl.h (reversed_comparison): Add prototype.
2753
2754 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2755
2756         * builtins.c (fold_builtin): Take decomposed arguments of
2757         CALL_EXPR.
2758         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2759         * gimplify.c (gimplify_call_expr): Likewise.
2760         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2761         * tree.h: Update the prototype of fold_builtin.
2762
2763 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2764
2765         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2766         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2767         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2768         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2769         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2770
2771 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2772
2773         * builtins.c (fold_builtin_1): Take decomposed arguments of
2774         CALL_EXPR.
2775         (fold_builtin): Update a call to fold_builtin_1.
2776
2777 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2778
2779         PR other/20564
2780         * gcov.c (output_lines): Only output function block summary when
2781         outputting branch information.
2782         * doc/gcov.texi: Document format of preamble and additional block
2783         information lines.
2784
2785 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2786
2787         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2788         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2789         the defaults false if BITS_PER_UNIT != 8.
2790         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2791         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2792         than BITS_PER_UNIT != 8.
2793         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2794         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2795         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2796         #undefs.
2797         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2798         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2799
2800 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2801
2802         PR middle-end/20539
2803         * fold-const.c (fold_binary): Fix type mismatch between
2804         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2805         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2806         for non-truth-valued expressions.
2807
2808         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2809         and FUNCTION_DECL in the main switch.
2810         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2811         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2812         we also need to convert their operands to match.
2813         <TRUTH_NOT_EXPR>: Likewise.
2814
2815 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2816
2817         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2818         diagnostic without checking whether an lvalue.
2819         * c-common.h (lvalue_p): Remove.
2820         (enum lvalue_use): Update comment.
2821         (lvalue_or_else): Replace by lvalue_error.
2822         * c-typeck.c (lvalue_p): Make static.
2823         (lvalue_or_else): New.  Call lvalue_error.
2824
2825 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2826
2827         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2828         (function_arg_advance): Use rs6000_parm_start.
2829         (function_arg, rs6000_arg_partial_bytes): Likewise.
2830
2831 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2832
2833         * c-common.c (check_case_value): Adjust comment about stripping
2834         NOPs.
2835         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2836         * c-typeck.c (default_conversion, convert_arguments,
2837         build_modify_expr, convert_for_assignment, store_init_value,
2838         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2839         manually.  Remove inaccurate comments.
2840
2841 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2842             Joseph S. Myers  <joseph@codesourcery.com>
2843
2844         * varasm.c (do_assemble_alias): Restore comment describing function.
2845         Annotate the target parameter as potentially unused.
2846
2847 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2848
2849         PR target/18551
2850         * config/avr/avr.c (avr_output_function_prologue): Do not use
2851         current_function_name() in a label, use a local label instead.
2852
2853 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2854
2855         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2856         flag_finite_math_only, not flag_unsafe_math_optimizations.
2857
2858 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2859
2860         * builtins.c (fold_builtin_1): Update a call to
2861         targetm.fold_builtin.
2862         * hooks.c (hook_tree_tree_bool_null): Rename to
2863         hook_tree_tree_tree_bool_null.  Take one more argument of type
2864         tree.
2865         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2866         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2867         hook_tree_tree_tree_bool_null.
2868         * target.h (gcc_target): Update the prototype of fold_builtin.
2869         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2870         arguments of CALL_EXPR.
2871         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2872         new prototype.
2873
2874 2005-03-20  Jan Hubicka  <jh@suse.cz>
2875
2876         * cgraph.h (cgraph_node): Add prev_clone pointer.
2877         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2878         (cgraph_clone_node): Produce doubly linked chain.
2879
2880 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2881
2882         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2883         get_nonnull_operand, handle_sentinel_attribute,
2884         check_function_arguments_recurse): Do not strip NOPS from
2885         INTEGER_CSTs.
2886         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2887         Likewise.
2888         * c-format.c (get_constant): Likewise.
2889         * c-parser.c (c_parser_postfix_expression): Likewise.
2890         * c-typeck.c (set_init_index): Likewise.
2891         (convert_arguments): Don't check for NOP_EXPR containing integer
2892         constant.
2893
2894 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2895
2896         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2897         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2898         Take decomposed arguments of CALL_EXPR.
2899         (fold_builtin_1): Update calls to the functions mentioned
2900         above.
2901
2902 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2903
2904         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2905         width to have integer type.
2906         (build_enumerator): Require enumerator value to have integer type.
2907
2908 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2909
2910         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2911         to __builtin_inff.
2912
2913 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2914
2915         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2916         std=iso9899:199x): Correct descriptions.
2917
2918 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2919
2920         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2921         solaris2.1[0-9].
2922
2923 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2924
2925         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2926         of CALL_EXPR.
2927         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2928         fold_builtin_memcpy.
2929
2930         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2931         arguments of CALL_EXPR.
2932         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2933         fold_builtin_found, fold_builtin_1): Update calls to
2934         fold_trunc_transparent_mathfn.
2935
2936 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2937
2938         PR middle-end/20493
2939         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2940         function pointers on targets that require function pointer
2941         canonicalization.
2942         (fold_sign_changed_comparison): Likewise.
2943
2944 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2945
2946         * combine.c (try_combine): When changing the mode of a hard reg, make
2947         sure that doing so is valid.
2948
2949 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2950
2951         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2952         (TARGET_HANDLE_OPTION): Override default.
2953         (avr_handle_option): New function.
2954         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2955         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2956         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2957         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2958         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2959         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2960         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2961         (TARGET_OPTIONS): Delete.
2962         * config/avr/avr.opt: New file.
2963
2964 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2965
2966         * config/m32r/m32r-protos.h: Remove the prototypes for
2967         call_address_operand, symbolic_operand, seth_add3_operand,
2968         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2969         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2970         two_insn_const_operand, move_src_operand,
2971         move_double_src_operand, move_dest_operand,
2972         eqne_comparison_operator, signed_comparison_operator,
2973         large_insn_p, conditional_move_operand, carry_compare_operand,
2974         m32r_block_immediate_operand, extend_operand,
2975         reg_or_eq_int16_operand, int8_operand, and
2976         reg_or_zero_operand.
2977         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2978         seth_add3_operand, int8_operand, cmp_int16_operand,
2979         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2980         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2981         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2982         move_double_src_operand, move_dest_operand,
2983         eqne_comparison_operator, signed_comparison_operator,
2984         extend_operand, small_insn_p, large_insn_p,
2985         conditional_move_operand, carry_compare_operand,
2986         m32r_block_immediate_operand): Move to predicates.md.
2987         (MAX_MOVE_BYTES): Move to m32r.h.
2988         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2989         * config/m32r/m32r.md: Include predicates.md.
2990         * config/m32r/predicates.md: New.
2991
2992 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2993
2994         PR c++/19769
2995         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2996         origin.
2997
2998 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2999
3000         * config/mn10300/mn10300-protos.h: Remove the prototypes for
3001         call_address_operand, const_8bit_operand.
3002         * config/mn10300/mn10300.c (call_address_operand,
3003         const_8bit_operand, const_1f_operand): Move to predicates.md.
3004         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
3005         * config/mn10300/mn10300.md: Include predicates.md.
3006         * config/mn10300/predicates.md: New.
3007
3008 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
3009
3010         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
3011         declarations in diagnostics and %E for identifiers, not %s.
3012
3013 2005-03-18  Jan Hubicka  <jh@suse.cz>
3014             Dale Johannesen  <dalej@apple.com>
3015
3016         * basic-block.h (scale_bbs_frequencies_int,
3017         scale_bbs_frequencies_gcov_type): Declare.
3018         * cfg.c (RDIV): New macro.
3019         (update_bb_frequency_for_threading): Fix.
3020         * basic-block.h (scale_bbs_frequencies_int,
3021         scale_bbs_frequencies_gcov_type): New.
3022         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
3023         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
3024         scale_bbs_frequencies_int.
3025         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
3026
3027 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3028
3029         * config/m32r/m32r-protos.h: Remove the prototypes for
3030         call_address_operand, symbolic_operand, seth_add3_operand,
3031         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
3032         reg_or_uint16_operand, reg_or_cmp_int16_operand,
3033         two_insn_const_operand, move_src_operand,
3034         move_double_src_operand, move_dest_operand,
3035         eqne_comparison_operator, signed_comparison_operator,
3036         large_insn_p, conditional_move_operand, carry_compare_operand,
3037         m32r_block_immediate_operand, extend_operand,
3038         reg_or_eq_int16_operand, int8_operand, and
3039         reg_or_zero_operand.
3040         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
3041         seth_add3_operand, int8_operand, cmp_int16_operand,
3042         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
3043         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
3044         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
3045         move_double_src_operand, move_dest_operand,
3046         eqne_comparison_operator, signed_comparison_operator,
3047         extend_operand, small_insn_p, large_insn_p,
3048         conditional_move_operand, carry_compare_operand,
3049         m32r_block_immediate_operand): Move to predicates.md.
3050         (MAX_MOVE_BYTES): Move to m32r.h.
3051         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
3052         * config/m32r/m32r.md: Include predicates.md.
3053         * config/m32r/predicates.md: New.
3054
3055         * config/pa/pa-protos.h: Add prototypes for magic_milli and
3056         shadd_constant_p.
3057         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
3058         symbolic_operand, symbolic_memory_operand,
3059         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
3060         indexed_memory_operand, move_dest_operand, move_src_operand,
3061         prefetch_cc_operand, prefetch_nocc_operand,
3062         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
3063         arith_operand, arith11_operand, pre_cint_operand,
3064         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
3065         ireg_operand, int5_operand, uint5_operand, int11_operand,
3066         uint32_operand, arith5_operand, and_operand, ior_operand,
3067         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
3068         pc_or_label_operand, div_operand, plus_xor_ior_operator,
3069         shadd_operand, movb_comparison_operator,
3070         cmpib_comparison_operator): Move to predicates.md.
3071         (magic_milli, shadd_constant_p): Make it extern.
3072         * config/pa/pa.h (PREDICATE_CODES): Remove.
3073         * config/pa/pa.md: Include predicates.md.
3074         * config/pa/predicates.md: New.
3075
3076         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
3077         predicate.
3078
3079 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3080
3081         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
3082         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
3083         config/alpha/freebsd.h, config/alpha/linux.h,
3084         config/alpha/netbsd.h, config/alpha/osf5.h,
3085         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
3086         config/h8300/h8300-protos.h, config/h8300/h8300.c,
3087         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
3088         doc/cppopts.texi: Update copyright.
3089
3090 2005-03-18  Jan Hubicka  <jh@suse.cz>
3091
3092         PR middle-end/20225
3093         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
3094         too late.
3095         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
3096         called too late.
3097
3098 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3099
3100         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
3101         VEC_safe_push.
3102
3103 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
3104
3105         * combine.c (gen_binary): Remove.
3106         (known_cond, simplify_shift_const, find_split_point,
3107         combine_simplify_rtx, simplify_if_then_else, simplify_set,
3108         simplify_logical, expand_field_assignment, extract_left_shift,
3109         force_to_mode, if_then_else_cond, apply_distributive_law,
3110         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
3111         simplify_comparison, reversed_comparison): Replace with
3112         simplify_gen_binary, simplify_gen_relational or
3113         distribute_and_simplify_rtx.
3114         (distribute_and_simplify_rtx): New function.
3115
3116 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
3117             Paolo Bonzini  <gcc.gnu.org>
3118
3119         * calls.c (setjmp_call_p, special_function_p): Update comments
3120         at the head of the functions.
3121
3122 2005-03-18  Jan Hubicka  <jh@suse.cz>
3123
3124         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
3125
3126         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
3127         function body should be released; do not proactively release function
3128         bodies in non-unit-at-a-time mode.
3129
3130 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
3131
3132         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
3133         mno-fp-ret-in-387 multilib variants.
3134
3135 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
3136
3137         * common.opt (m): Remove.
3138         * opts.c (handle_option): Pass 'm' options to set_target_switch if
3139         table lookup fails.
3140         (common_handle_option): Remove OPT_m case.
3141
3142 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
3143
3144         * builtins.c (fold_builtin_bitop): Take decomposed arguments
3145         of CALL_EXPR.
3146         (fold_builtin_1): Update a call to fold_builtin_bitop.
3147
3148         * builtins.c (fold_builtin_signbit): Take decomposed arguments
3149         of CALL_EXPR.
3150         (fold_builtin_1): Update a call to fold_builtin_signbit.
3151
3152 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
3153
3154         PR tree-optimization/20474
3155         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
3156         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
3157
3158 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3159
3160         * config/h8300/h8300-protos.h: Remove prototypes for
3161         general_operand_src, general_operand_dst, single_one_operand,
3162         single_zero_operand, call_insn_operand,
3163         two_insn_adds_subs_operand, small_call_insn_operand,
3164         jump_address_operand, bit_operand, bit_memory_operand,
3165         stack_pointer_operand, const_int_gt_2_operand,
3166         const_int_ge_8_operand, const_int_qi_operand,
3167         const_int_hi_operand, incdec_operand, bit_operator,
3168         nshift_operator, eqne_operator, gtle_operator,
3169         gtuleu_operator, iorxor_operator.
3170         Add prototypes for h8sx_shift_type h8sx_classify_shift and
3171         h8300_ldm_stm_parallel.
3172         * config/h8300/h8300.c (h8sx_shift_type,): Move to
3173         h8300-protos.h.
3174         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
3175         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
3176         (h8300_ldm_stm_parallel): Make it extern.
3177         (h8300_ldm_parallel, h8300_stm_parallel,
3178         h8300_return_parallel, general_operand_src,
3179         general_operand_dst, h8300_dst_operand, h8300_src_operand,
3180         nibble_operand, reg_or_nibble_operand, single_one_operand,
3181         single_zero_operand, call_insn_operand,
3182         two_insn_adds_subs_operand, small_call_insn_operand,
3183         jump_address_operand, bit_operand, bit_memory_operand,
3184         stack_pointer_operand, const_int_gt_2_operand,
3185         const_int_ge_8_operand, const_int_qi_operand,
3186         const_int_hi_operand, incdec_operand, eqne_operator,
3187         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
3188         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
3189         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
3190         nshift_operator): Move to predicates.md.
3191         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
3192         * config/h8300/h8300.md: Include predicates.md.
3193         * config/h8300/predicates.md: New.
3194
3195 2005-03-17  Richard Henderson  <rth@redhat.com>
3196
3197         * config.gcc (ia64*-*-hpux*): Add extra_options.
3198         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
3199         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3200         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
3201         (ia64_tls_size_string, ia64_tune_string): Remove.
3202         (ia64_tune): Init to PROCESSOR_ITANIUM2.
3203         (TARGET_DEFAULT_TARGET_FLAGS): New.
3204         (TARGET_HANDLE_OPTION): New.
3205         (ia64_override_options): Move options parsing ...
3206         (ia64_handle_option): ... here.  New.
3207         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
3208         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
3209         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
3210         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
3211         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
3212         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
3213         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
3214         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
3215         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
3216         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
3217         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
3218         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
3219         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
3220         TARGET_EARLY_STOP_BITS): Remove.
3221         (TARGET_ILP32): Default false.
3222         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
3223         (enum ia64_inline_type): New.
3224         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
3225         * config/ia64/ia64.md: Update for new definitions of
3226         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
3227         * config/ia64/ia64.opt: New file.
3228         * config/ia64/ilp32.opt: New file.
3229
3230 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3231
3232         PR target/18380
3233         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
3234
3235 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
3236
3237         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
3238         instead of MASK_H8300S.
3239         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
3240         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
3241         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
3242         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
3243         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
3244         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
3245         TARGET_SWITCHES): Remove.
3246         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
3247         TARGET_H8300SX.
3248         * config/h8300/h8300.opt: New.
3249
3250         * config/alpha/alpha.opt, config/arc/arc.opt,
3251         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
3252         notices.
3253
3254 2005-03-17  Ian Lance Taylor  <ian@airs.com>
3255
3256         * gmon.c: Remove.
3257
3258 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
3259
3260         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
3261         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
3262         (TARGET_HANDLE_OPTION): Override default.
3263         (arc_handle_option): New function.
3264         (arc_init): Remove code to set arch_cpu_string.
3265         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
3266         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
3267         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
3268         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
3269         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
3270         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
3271         (arc_rodata_string, TARGET_OPTIONS): Delete.
3272         * config/arc/arc.opt: New file.
3273
3274 2005-03-17  Richard Henderson  <rth@redhat.com>
3275
3276         * doc/extend.texi (Weak Pragmas): New section.
3277         (attribute alias): Clarify that target must be in the same
3278         translation unit.
3279
3280 2005-03-17  Richard Henderson  <rth@redhat.com>
3281
3282         * config/alpha/alpha.opt: New file.
3283         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
3284         of alpha_cpu.
3285         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
3286         alpha_fprm_string, alpha_fptm_string): Make static.
3287         (alpha_tls_size_string): Remove.
3288         (alpha_handle_option): New.
3289         (override_options): Update for alpha_cpu/alpha_tune split.
3290         (alpha_file_start): Likewise.
3291         (TARGET_DEFAULT_TARGET_FLAGS): New.
3292         (TARGET_HANDLE_OPTION): New.
3293         * config/alpha/alpha.h (alpha_tune): Declare.
3294         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
3295         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
3296         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
3297         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
3298         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
3299         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
3300         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
3301         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
3302         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
3303         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
3304         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
3305         (TARGET_DEFAULT): Remove MASK_FP.
3306         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
3307         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
3308         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
3309         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
3310         alpha_tls_size_string): Remove.
3311         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
3312         (attribute tune): Rename from attribute cpu.
3313         * config/alpha/ev4.md: Update to match.
3314         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
3315         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
3316         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
3317         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
3318         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
3319         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
3320
3321 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
3322
3323         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
3324         and return without creating new state if before_nops_num is nonzero.
3325         * config/ia64/ia64.md (first_insn): New attribute.
3326         (alloc): Set it to yes.
3327
3328 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3329
3330         * tree-vectorizer.c (new_vec_stmt_info): Initialize
3331         STMT_VINFO_SUBVARS to NULL.
3332         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3333
3334 2005-03-16 Dale Johannesen  <dalej@apple.com>
3335
3336         * rtlanal.c (find_first_parameter_load):  Rewrite to
3337         return actual first param load or the call if none,
3338         instead of first in block, when not all loads exist.
3339
3340 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3341
3342         * optabs.c (expand_copysign_absneg): Make static.
3343         * optabs.h (expand_copysign_absneg): Delete prototype.
3344         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3345
3346 2005-03-16  Richard Henderson  <rth@redhat.com>
3347
3348         PR middle-end/15700
3349         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3350         (alias_pairs): Rename from output_defs.
3351         (find_decl_and_mark_needed): Split out from assemble_alias.
3352         (do_assemble_alias): New.
3353         (assemble_output_def): Remove.
3354         (finish_aliases_1, finish_aliases_2): New.
3355         (process_pending_assemble_output_defs): Remove.
3356         (assemble_alias): Defer aliases for which we don't yet have a
3357         non-external decl for the target symbol.
3358         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
3359         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
3360         * toplev.c (compile_file): Use finish_aliases_2 instead of
3361         process_pending_assemble_output_defs.
3362         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
3363         (process_pending_assemble_output_defs): Remove.
3364
3365 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3366
3367         Fix PR tree-optimization/20489
3368
3369         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
3370         for empty structures.
3371
3372 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3373
3374         Fix PR tree-optimization/20490
3375
3376         * tree-ssa-pre.c (create_expression_by_pieces): Use
3377         force_gimple_operand on result of fold.
3378
3379 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
3380
3381         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
3382         of closing parenthesis.
3383
3384 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
3385
3386         * builtins.c (expand_movstr): Update a call to
3387         fold_builtin_strcpy.
3388         (expand_builtin_strncpy): Update a call to
3389         fold_builtin_strncpy.
3390         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
3391         arguments of CALL_EXPR.
3392         (fold_builtin_1): Update calls to fold_builtin_strcpy and
3393         fold_builtin_strncpy.
3394         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3395         * tree.h: Update the prototypes of fold_builtin_strcpy and
3396         fold_builtin_strncpy.
3397
3398 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3399             Dorit Naishlos  <dorit@il.ibm.com>
3400
3401         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
3402         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
3403         error.
3404
3405 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3406
3407         * tree-inline.c (walk_type_fields, walk_tree,
3408         walk_tree_without_duplicates): Move from here...
3409         * tree.c: ...to here.
3410
3411 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
3412
3413         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
3414         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
3415         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3416         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
3417         (version): Define using $(BASEVER_c).
3418         (Makefile, config.status, build/gcov-iov.o): No longer depends on
3419         version.c.
3420         (version.o): Depend on version files; add custom generation command.
3421         (prefix.o): Define BASEVER on command line.
3422         (s-iov): Depend on version files; adjust command.
3423         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
3424         Add gcc-vers.texi.
3425         (gcc-vers.texi): New rule.
3426         (doc/%.info, doc/%.dvi): Add -I . to command line.
3427         (doc/gccinstall.dvi): Likewise.
3428         (PACKAGE): Delete.  All uses replaced with "gcc".
3429         * aclocal.m4: Do not include gcc-version.m4.
3430         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
3431         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
3432         Set is_release based on contents of DEV-PHASE.
3433         Set gcc_version based on contents of BASE-VER.
3434         Define WIN32_REGISTRY_KEY only if the user overrode the default.
3435         * config.in, configure: Regenerate.
3436         * gccbug.in: Determine version of GCC in use at runtime.
3437         * gcov-iov.c: Get version number and development phase from
3438         command line, not by including version.c.
3439         * intl.c: Replace all uses of PACKAGE with "gcc".
3440         * libada-mk.in: Delete unused "gcc_version" variable.
3441         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
3442         * version.c: (VERSUFFIX): New hook for redistributors; adjust
3443         commentary to match.
3444         (version_string): Put together from pieces.
3445         * config/alpha/x-vms: Do not use $(gcc_version).
3446         * config/i386/t-nwld: Likewise.
3447         * doc/include/gcc-common.texi: Include gcc-vers.texi for
3448         version-GCC and DEVELOPMENT.
3449
3450 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3451
3452         PR tree-optimization/17454
3453         * tree.c (tree_size): Add case for TREE_BINFO.
3454         * fold-const.c (fold_checksum_tree): Only clear the overloaded
3455         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
3456
3457 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3458
3459         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
3460         op1 whilst expanding the signed widenening multiply variant.
3461
3462 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
3463
3464         * toplev.c (display_target_options): Avoid unused variable warning if
3465         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
3466         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
3467         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
3468         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
3469         (mips_isa_info): New variable.
3470         (mips_parse_cpu): Remove the first argument and leave the caller
3471         to report errors.
3472         (TARGET_HANDLE_OPTION): Override default.
3473         (mips_handle_option): New function.  Move option validation code from...
3474         (override_options): ...here.  Update calls to mips_parse_cpu.
3475         * config/mips/mips.h (mips_arch_string, mips_tune_string)
3476         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
3477         (SUBTARGET_TARGET_OPTIONS): Delete.
3478         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
3479         (mno-flush-func, mtune=): New options.
3480
3481 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3482             Richard Henderson  <rth@redhat.com>
3483
3484         * real.c (c4x_single_format, c4x_extended_format): Provide values
3485         for signbit_ro for c4x's single and extended floating point formats.
3486         * optabs.c (expand_copysign): Use the floating point format's
3487         signbit_ro for expanding via expand_copysign_absneg, and it's
3488         signbit_rw field for expanding via expand_copysign_bit.
3489
3490 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
3491
3492         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
3493         known_alignment_for_access_p.
3494         (known_alignment_for_access_p): New.
3495         (do_peeling_for_alignment): Field made int instead of bool and renamed
3496         to peeling_for_alignment.
3497         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
3498         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
3499         functionality used to be in vect_analyze_operations.
3500         (vect_analyze_operations): Code to determine vectorization factor was
3501         moved to vect_determine_vectorization_factor.
3502         (vect_enhance_data_refs_alignment): Update to correct alignment when it
3503         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
3504         factor.
3505         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
3506         be part of vect_analyze_operations).
3507         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
3508         creating the guard condition, as the number of iterations may be
3509         constant.
3510         (slpeel_tree_peel_loop_to_edge): Use new name of
3511         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
3512         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
3513         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
3514         (vect_do_peeling_for_alignment): Use fold.
3515         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
3516
3517         (vect_update_inits_of_dr): Renamed to
3518         vect_update_init_of_dr.
3519         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
3520         (vectorizable_store): Fix assertion to use == instead of =.
3521
3522 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
3523
3524         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
3525         call_used_regs for wCG registers.
3526
3527 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
3528
3529         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3530         for non-offsettable memory references to cope with outstanding reload
3531         replacements, take 2.
3532
3533 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
3534
3535         PR target/18668
3536         * config/i386/i386.h (x86_fisttp): New.
3537         (TARGET_FISTTP): New macro.
3538         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
3539         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
3540         instruction when fisttp flag is set.
3541         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
3542
3543         * config/i386/i386.md (type attribute): Add fisttp.
3544         (unit attribute): Set to i387 for fisttp type.
3545         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
3546         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
3547         TARGET_FISTTP.
3548         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
3549         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
3550         macros.
3551         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
3552         patterns for TARGET_FISTTP.  Enable patterns for
3553         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
3554         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
3555         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
3556         implement fisttp x87 insn.
3557         (fix_trunc*_i387_fisttp splitters): New patterns.
3558         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
3559         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
3560         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
3561         clobber.
3562         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
3563         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
3564         Implement using mode macros. Disable patterns for TARGET_FISTTP.
3565         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
3566         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
3567         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
3568         Disable patterns for TARGET_FISTTP.
3569         (fix_trunc*_i387 splitters): Implement usign mode macros.
3570         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
3571         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
3572         (fix_trunx*_sse peephole2s): Implement using mode macros.
3573
3574 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
3575
3576         PR rtl-optimization/20291
3577         * combine.c (try_combine): If splitting fails, re-try with
3578         original combined pattern, i.e. before clobber stripping.
3579
3580 2005-03-14  Eric Christopher  <echristo@redhat.com>
3581
3582         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
3583         STACK_GROWS_DOWNWARD.
3584
3585 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3586
3587         * real.h (struct real_format): Split the signbit field into two
3588         two fields, signbit_ro and signbit_rw.
3589         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
3590         mips_double_format, ieee_extended_motorola_format,
3591         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
3592         ieee_extended_intel_128_format, ibm_extended_format,
3593         mips_extended_format, ieee_quad_format, mips_quad_format,
3594         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
3595         i370_double_format, c4x_single_format, c4x_extended_format,
3596         real_internal_format): Update initializers for new field.
3597         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
3598         real_format structure.
3599         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
3600         field of the real_format structure.
3601
3602 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
3603
3604         Fix PR tree-optimization/20458
3605
3606         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
3607         DECL_EXTERNAL on STRUCT_FIELD tags.
3608         (clear_call_clobbered): Ditto.
3609         * tree-ssa-operands.c (note_addressable): Make sure the original
3610         variable doesn't slip into the addressable list if we have
3611         subvars.
3612         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
3613         tags too.
3614
3615 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
3616
3617         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
3618         (-fwide-exec-charset): Likewise.
3619         (-finput-charset): Likewise.
3620         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
3621         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
3622         * c.opt (Wnormalized): New.
3623
3624 2005-03-14  Devang Patel  <dpatel@apple.com>
3625
3626         * doc/invoke.texi: Add reference to Visibility document.
3627
3628 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3629
3630         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3631         MASK_SPLIT_ADDRESSES.
3632         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3633         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3634         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3635         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3636         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3637         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3638         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3639         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3640         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3641         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3642         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3643         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3644         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3645         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3646         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3647         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3648         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3649         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3650         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3651         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3652         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3653         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3654         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3655         (TARGET_EXPLICIT_RELOCS): Delete.
3656         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3657         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3658         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3659         (override_options): Set MASK_LONG64 if -mint64 is given and no
3660         -mlongXX option is.  Complain about -mint64 -mlong32.
3661         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3662         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3663         * config/mips/mips.opt: New file.
3664
3665 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3666
3667         * config.gcc (extra_options): New variable for listing option files.
3668         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3669         * configure.ac (extra_opt_files): New AC_SUBST variable.
3670         (tm_file_list, tm_include_list): Include options.h first.
3671         * configure: Regenerate.
3672         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3673         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3674         (s-options-h): New rule.
3675         (options.h): Depend on it.
3676         (TEXI_GCCINT_FILES): Add options.texi.
3677         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3678         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3679         * target.h (gcc_target): Add default_target_flags and handle_option.
3680         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3681         (TARGET_HANDLE_OPTION): New macros.
3682         (TARGET_INITIALIZER): Include them.
3683         * opt-functions.awk (opt_args, nth_arg): New functions.
3684         (switch_flags): Handle the "Target" flag.
3685         (var_args): Delete.
3686         (var_name): Use opt_args and nth_arg.
3687         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3688         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3689         macros for the "Mask" and "InverseMask" options.
3690         * opts.h (cl_var_cond): New enum.
3691         (cl_option): Replace the "has_set_value" and "set_value" fields with
3692         "var_cond" and "var_value".
3693         (CL_TARGET): New macro.
3694         (option_enabled, print_filtered_help): Declare.
3695         (decode_options): Move definition.
3696         * opts.c (handle_option): Search for the original option before
3697         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3698         var_cond and var_value fields.  Use targetm.handle_option to handle
3699         target options.
3700         (decode_options): Set target_flags to targetm.default_target_flags.
3701         (print_filtered_help): Make global.  Handle CL_TARGET.
3702         (option_enabled): New function.
3703         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3704         (display_target_options, set_target_switch, print_switch_values)
3705         (default_pch_valid_p): Guard uses of target_switches with
3706         #ifdef TARGET_SWITCHES.  Also...
3707         (display_target_options): Display the CL_TARGET entries in cl_options.
3708         (set_target_option): Don't complain about the "" option when
3709         TARGET_SWITCHES is undefined.
3710         (print_switch_values): Use option_enabled.
3711         (default_pch_valid_p): Check cl_options[] when looking for something
3712         that has changed the value of target_flags.
3713         * c.opt: Remove documentation from top of file.
3714         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3715         * doc/sourecebuild.texi: Refer to the new options documentation
3716         instead of c.opt.  Document machine-specific .opt files.
3717         * doc/tm.texi (target_flags): Say that this variable is declared
3718         by options.h.
3719         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3720         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3721         an alternative.
3722         * doc/options.texi: New file.
3723
3724 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3725
3726         PR middle-end/18628
3727         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3728         register.
3729
3730 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3731
3732         PR c++/20280
3733         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3734         temporary variable of pointer type if an lvalues is required.
3735         (gimplify_modify_expr_rhs): Request an rvalue from it.
3736         (gimplify_expr): Pass fallback on.
3737
3738 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3739
3740         * cfgbuild.c: Update comments.
3741
3742 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3743
3744         PR rtl-optimization/17236
3745         * optabs.c (expand_doubleword_mult): New helper function split out
3746         from expand_binop.  Permute the order in which instructions are
3747         emitted to minimize the number of simultaneously live registers.
3748         (expand_binop): Call expand_doubleword_mult to synthesize a double
3749         word multiplication.
3750
3751 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3752
3753         * basic-block.h: Update the prototypes of cached_make_edge and
3754         rtl_make_eh_edge.
3755         * cfg.c (cached_make_edge): Take edge_cache representing one
3756         row of the adjacency matrix of edges.
3757         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3758         (make_edges): Initialize edge_cache to represent one row of
3759         the adjacency matrix of edges.
3760
3761 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3762
3763         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3764         New functions.
3765         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3766         Remove unused removed_phis variable.
3767         (conditional_replacement): Use build1/build2.
3768         (abs_replacement): Use last_and_only_stmt and build1/build2.
3769
3770 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3771
3772         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3773         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3774         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3775         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3776         * c-common.c (handle_novops_attribute): New function.
3777         (c_common_attribute_table): Add "no vops" entry.
3778         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3779         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3780         * tree-ssa-operands.c (get_call_expr_operands): Do not
3781         create virtual operands for calls with ECF_NOVOPS flag.
3782         * tree.h (DECL_IS_NOVOPS): New macro.
3783         (struct tree_decl): Add novops_flag.
3784         (ECF_NOVOPS): New constant.
3785
3786 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3787
3788         PR target/17688
3789         * config/i386/i386.c (x86_use_himode_fiop): New.
3790         (x86_use_simode_fiop): Rename from x86_use_fiop.
3791         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3792         (TARGET_USE_HIMODE_FIOP): New.
3793         (x86_use_simode_fiop): Rename from x86_use_fiop.
3794         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3795
3796         * config/i386/i386.md (X87MODEI12): New mode macro define.
3797         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3798         to implement x87 FP compare with HImode input operands.
3799         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3800         Use X87MODEI12 mode macro to handle HImode input operands.
3801         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3802         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3803         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3804         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3805         macro to implement x87 operators with HImode input operands.
3806         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3807         input operands.
3808
3809 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3810
3811         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3812         integer_zerop.
3813         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3814         constants invariant.
3815
3816 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3817
3818         * basic-block.h (BB_VISITED): Removed.
3819         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3820
3821 2005-03-14  Falk Hueffner  <falk@debian.org>
3822
3823         PR bootstrap/20424
3824         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3825
3826 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3827
3828         * ggc-zone.c: Fix comment typos.
3829
3830         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3831         stringpool.c, config/mips/mips-protos.h: Update copyright.
3832
3833 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3834
3835         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3836         throughout with its typedef, "rtx".
3837         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3838         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3839         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3840         regs in comment to match code.
3841
3842 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3843
3844         * except.c (check_handled): Make it static.
3845         * except.h: Remove the corresponding prototype.
3846
3847         * function.c (get_func_frame_size): Make it static.
3848         * function.h: Remove the corresponding type.
3849
3850         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3851         Make them static.
3852         * hard-reg-set.h: Remove the corresponding declarations.
3853
3854         * tree-cfg.c (verify_stmts): Check that
3855         bb_for_stmt (stmt) == bb for every PHI node and statement.
3856
3857 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3858
3859         * config.gcc: Remove excess indentation.
3860         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3861
3862 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3863
3864         PR middle-end/19331
3865         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3866         * fold-const.c (fold_sign_changed_comparison): Likewise.
3867         (fold_binary): Optimize comparisons against widened operands if
3868         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3869
3870 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3871
3872         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3873         (sparc_override_options): Initialize it.
3874         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3875
3876 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3877
3878         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3879         (reg_or_none500mem_operand): New predicate.
3880         (zero_reg_mem_operand): New predicate.
3881         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3882         to reg_or_none500mem_operand.
3883         (extendsfdf2_fpr): Add MEM alternative.
3884         (extenddftf2_internal): Change operand2 predicate to
3885         zero_reg_mem_operand.
3886
3887 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3888
3889         * ggc-zone.c: Rewritten.
3890
3891         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3892         if there are none.
3893         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3894         * config.in: Regenerated.
3895         * configure: Regenerated.
3896         * gengtype.c (write_types_process_field, write_func_for_structure):
3897         Pass new argument to gt_pch_note_object.
3898         * ggc-common.c (struct ptr_data): Add TYPE.
3899         (gt_pch_note_object): Take TYPE argument and save it.
3900         (call_count): Update call to ggc_pch_count_object.
3901         (call_alloc): Update call to ggc_pch_alloc_object.
3902         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3903         file.
3904         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3905         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3906         (ggc_alloc_zone_stat): Delete.
3907         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3908         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3909         (ggc_pch_alloc_object): Update prototypes.
3910         (garbage_zone): Delete.
3911         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3912         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3913         pointers.
3914         (tree_id_zone): New variable.
3915         (ggc_alloc_cleared_zone): Remove unused.
3916         (ggc_alloc_zone): Define.
3917         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3918         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3919         ggc_alloc_zone_stat.
3920         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3921         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3922         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3923         (make_node_stat): Likewise.  Use tree_id_zone.
3924
3925 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3926             Joseph S. Myers  <joseph@codesourcery.com>
3927
3928         * configure.ac: Check for MIPS TLS.
3929         * configure: Regenerated.
3930         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3931         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3932         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3933         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3934         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3935         (mips_classify_symbol, mips_symbolic_constant_p)
3936         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3937         (mips_tls_operand_p, mips_call_tls_get_addr)
3938         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3939         (mips_tls_symbol_ref_1): New functions.
3940         (mips_legitimize_address, mips_legitimize_const_move): Call
3941         mips_legitimize_tls_address.
3942         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3943         for MIPS16.
3944         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3945         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3946         (mips_char_to_class): Document V1_REG.
3947         (HAVE_AS_TLS): Provide default.
3948         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3949         constants.
3950         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3951         !TARGET_ABICALLS.
3952         (tls_get_tp_<mode>): New instruction.
3953
3954 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3955
3956         * configure.ac: Update checks for target tools.
3957         * configure: Regenerated.
3958
3959 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3960
3961         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3962
3963 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3964
3965         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3966         more classes of DImode multiplication by constant.  Allow both
3967         multiplication by small negative constants (by performing a
3968         multiplication by a positive constant and negating the result) and
3969         multiplications by large powers of two, by using a left shift.
3970
3971 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3972
3973         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3974         of basic blocks into work_stack.
3975
3976         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3977         config/mips/vr.h: Update copyright.
3978
3979         * c-decl.c (c_init_decl_processing): Remove useless calls to
3980         build_function_type.
3981
3982         * builtins.c (fold_trunc_transparent_mathfn,
3983         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3984         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3985         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3986         fold_builtin_strcpy, fold_builtin_strncpy,
3987         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3988         TREE_TYPE (exp).
3989
3990         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3991         before_call.
3992
3993         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3994         variable determinant.
3995
3996         * tree-cfg.c (group_case_labels): Remove local variable type.
3997
3998         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3999         variable ann.
4000
4001         * tree-ssa-phiopt.c (value_replacement): Remove local variable
4002         result.
4003
4004 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4005
4006         PR target/18251
4007         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
4008         (*movmemqi_insn): Delete.
4009         (*movmemhi): Delete.
4010
4011 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
4012
4013         * builtins.c (fold_builtin_classify): Take decomposed
4014         arguments of CALL_EXPR.
4015         (fold_builtin_1): Update a call to fold_builtin_classify.
4016
4017 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
4018
4019         PR c/20402
4020         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
4021         through into call to parser_xref_tag after parse error.
4022         (c_parser_struct_declaration): Consistently return NULL_TREE on
4023         error.
4024
4025 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
4026
4027         * tree-flow-inline.h (ref_contains_array_ref): New function.
4028         (lookup_subvars_for_var): Ditto.
4029         (get_subvars_for_var): Ditto.
4030         (var_can_have_subvars): Ditto.
4031
4032         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
4033         (struct subvar): New type.
4034
4035         * tree-dfa.c (okay_component_ref_for_subvars): New function.
4036
4037         * tree-optimize.c (init_tree_optimization_passes): Call
4038         pass_create_structure_vars.
4039
4040         * tree-ssa-alias.c: Include vec.h.
4041         (init_alias_info): Don't auto-clear call clobbered on struct-field
4042         tags.
4043         (compute_flow_insensitive_aliasing): Handle subvars.
4044         (group_aliases): Handle STRUCT_FIELD aliases.
4045         (setup_pointers_and_addressables): Ditto.
4046         Don't mark variables non-addressable if they still have
4047         addressable subvars.
4048         Also mark subvars addressable when the real variable is marked
4049         addressable.
4050         (add_pointed_to_var): Try to prune the pointed-to set by only
4051         pointing to subvars when possible.
4052         Otherwise, make sure we set addresses_needed and pt_vars to
4053         properly include subvars.
4054         (bitpos_of_field): New function.
4055         (push_fields_onto_fieldstack): Ditto.
4056         (get_or_create_used_part_for): Ditto.
4057         (create_overlap_variables_for): Ditto.
4058         (find_used_portions): Ditto.
4059         (create_structure_vars): Ditto.
4060         (pass_create_structure_vars): New structure.
4061
4062         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
4063         (get_expr_operands): Handle subvars.  Also try to turn
4064         COMPONENT_REF accesses into must-defs now that we can accurately
4065         portray it.
4066         (note_addressable): Try to only mark as addressable those subvars
4067         we know a COMPONENT_REF touches.
4068         (overlap_subvar): New function.
4069
4070         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
4071         Handle subvar storing.
4072         (vect_address_analysis): Update caller of vect_object_analysis.
4073
4074         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
4075
4076         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
4077         (STMT_VINFO_SUBVARS): New macro.
4078
4079         * common.opts: add flag_tree_salias.
4080
4081         * opts.c (decode_options): flag_tree_salias defaults to on.
4082
4083         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
4084
4085         * doc/tree-ssa.texi: Document structural alias analysis.
4086
4087 2005-03-12  Steven Bosscher  <stevenb@suse.de>
4088
4089         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
4090         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
4091         * tree-ssa-operands.c (get_expr_operands): Likewise.
4092         (get_expr_operands): Likewise for ERROR_MARK.
4093
4094 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4095
4096         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
4097         var.
4098
4099         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
4100         removed_phis.
4101
4102         * tree-ssa-pre.c (compute_avail): Remove local variable val.
4103         (mark_operand_necessary): Remove local variable ver.
4104
4105         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
4106         variable prefix_len.
4107
4108         * value-prof.c (mod_subtract_transform): Remove local variable
4109         value.
4110
4111         * builtins.c (fold_builtin_exponent): Take decomposed
4112         arguments of CALL_EXPR.
4113         (fold_builtin_1): Update a call to fold_builtin_exponent.
4114
4115         * builtins.c (fold_builtin_logarithm): Take decomposed
4116         arguments of CALL_EXPR.
4117         (fold_builtin_1): Update a call to fold_builtin_logarithm.
4118
4119         * c-decl.c (c_init_decl_processing): Remove local variables
4120         ptr_ftype_void and ptr_ftype_ptr.
4121
4122         * gimplify.c (gimplify_expr): Remove local variables r0 and
4123         r1.
4124
4125         * reg-stack.c (move_for_stack_reg): Remove local variable
4126         push_insn.
4127         (compare_for_stack_reg): Remove local variable flags_user.
4128         (convert_regs_1): Remove local variable deleted.
4129
4130         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
4131         variable new_cond.
4132         (combine_blocks): Remove local variables exits and new_e.
4133
4134         * tree-inline.c (expand_call_inline): Remove local variable
4135         decl.
4136
4137         * tree-ssa-live.c (create_ssa_var_map,
4138         calculate_live_on_entry): Remove local variable snn.
4139
4140 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
4141
4142         * c-lex.c (c_lex_with_flags): Add parameter to call to
4143         cpp_spell_token.
4144
4145 2005-03-11  Per Bothner  <per@bothner.com>
4146
4147         * c-tree.h (struct c_declarator): New id_loc field.
4148         * c-pragma.h (c_lex_with_flags): Take position reference.
4149         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
4150         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
4151         (c_lex): Pass dummy location to c_lex_with_flags.
4152         * c-parser.c (c_lex_one_token): Set c_token's location using
4153         c_lex_with_flags, instead of input_location, which might be "ahead".
4154         (c_parser_direct_declarator): Set declarator's id_loc from
4155         c_token's id_loc.
4156         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
4157         declarator's id_loc, rather than probably-imprecise input_location.
4158         (build_id_declarator): Initialize c_declarator's id_loc field.
4159
4160 2005-03-11  Roger Sayle  <roger@eyesopen.com>
4161
4162         PR middle-end/20419
4163         * builtins.c (expand_builtin_signbit): Force the signbit's word
4164         into an integer register to avoid SUBREGs of floating point modes.
4165
4166 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
4167
4168         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
4169         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
4170         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
4171         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
4172
4173 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
4174
4175         PR rtl-optimization/20306
4176         * expr.c (emit_move_complex): Set try_int false if mode is
4177         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
4178         emit_block_move if try_int is true.
4179
4180 2005-03-11  Richard Henderson  <rth@redhat.com>
4181
4182         PR target/20415
4183         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
4184         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
4185         to match.
4186
4187 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4188
4189         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
4190         (TARGET_FIX_VR4130): New macro.
4191         (TARGET_OPTIONS): Add -mfix-vr4130.
4192         (ISA_HAS_MACCHI): New macro.
4193         (ASM_SPEC): Add -mfix-vr4130.
4194         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
4195         (override_options): Handle mips_fix_vr4130_string.
4196         (mips_avoid_hazards): Clear all_noreorder_p
4197         if we're working around VR4130 errata and the macc alternatives
4198         are not available.
4199         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
4200         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
4201         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
4202         (MULTILIB_DEFAULTS): Remove leading "march=".
4203         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
4204         if no architecture option is given.
4205         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
4206         VR4130 multilibs.
4207         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
4208         * doc/invoke.texi: Document -mfix-vr4130.
4209
4210 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
4211
4212         * config/mips/mips.c (override_options): Only warn about -mint64
4213         deprecation if TARGET_INT64.
4214
4215 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4216
4217         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
4218         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
4219         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
4220         are non-specific regarding the nonnull parameter positions.
4221         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
4222         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
4223         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
4224         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
4225
4226         * builtins.def: Use the non-specific "nonnull" attibute lists.
4227
4228 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4229
4230         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4231         single_pred_edge, single_succ, single_pred): Improve comments.
4232
4233 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
4234
4235         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
4236         single_pred_edge, single_succ, single_pred): New inline functions.
4237         * bb-reorder.c (rotate_loop, find_traces_1_round,
4238         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
4239         duplicate_computed_gotos): Use the single_succ/pred functions.
4240         * cfganal.c (forwarder_block_p): Ditto.
4241         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
4242         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4243         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
4244         merge_seq_blocks): Ditto.
4245         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
4246         * cfglayout.c (fixup_reorder_chain): Ditto.
4247         * cfgloop.c (mark_single_exit_loops, update_latch_info,
4248         canonicalize_loop_headers, verify_loop_structure): Ditto.
4249         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
4250         mfb_update_loops, create_preheader, force_single_succ_latches,
4251         create_loop_notes): Ditto.
4252         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
4253         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
4254         commit_one_edge_insertion, purge_dead_edges,
4255         cfg_layout_can_merge_blocks_p): Ditto.
4256         * except.c (sjlj_emit_function_enter): Ditto.
4257         * flow.c (init_propagate_block_info): Ditto.
4258         * function.c (thread_prologue_and_epilogue_insns): Ditto.
4259         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
4260         insert_insn_end_bb): Ditto.
4261         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
4262         find_if_case_2): Ditto.
4263         * lambda-code.c (perfect_nestify): Ditto.
4264         * lcm.c (optimize_mode_switching): Ditto.
4265         * loop-doloop.c (doloop_modify): Ditto.
4266         * loop-init.c (loop_optimizer_init): Ditto.
4267         * loop-iv.c (simplify_using_initial_values): Ditto.
4268         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
4269         * loop-unswitch.c (unswitch_loop): Ditto.
4270         * modulo-sched.c (generate_prolog_epilog): Ditto.
4271         * predict.c (combine_predictions_for_insn, estimate_probability,
4272         tree_estimate_probability, last_basic_block_p,
4273         estimate_bb_frequencies): Ditto.
4274         * profile.c (branch_prob): Ditto.
4275         * regrename.c (copyprop_hardreg_forward): Ditto.
4276         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
4277         * tracer.c (layout_superblocks): Ditto.
4278         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
4279         cfg_remove_useless_stmts_bb, cleanup_control_flow,
4280         cleanup_control_expr_graph, disband_implicit_edges,
4281         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
4282         tree_verify_flow_info, tree_make_forwarder_block,
4283         tree_forwarder_block_p, remove_forwarder_block,
4284         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
4285         * tree-if-conv.c (tree_if_conversion): Ditto.
4286         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
4287         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
4288         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
4289         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
4290         copy_loop_headers): Ditto.
4291         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
4292         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
4293         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
4294         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
4295         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
4296         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
4297         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
4298         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
4299         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
4300         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
4301         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
4302         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
4303         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
4304         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
4305         slpeel_add_loop_guard): Ditto.
4306
4307 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
4308
4309         PR tree-optimization/15784
4310         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4311         and -1 - A to ~A.
4312
4313         * stmt.c (expand_case): Don't change index_type.  Convert minval
4314         to the proper type.
4315
4316         PR tree-optimization/20130
4317         * fold-const.c (fold): Fold x * -1 into -x.
4318
4319 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4320
4321         PR rtl-optimization/20331
4322         * rtlanal.c (modified_between_p): Check its address first for MEM.
4323         (modified_in_p): Likewise.
4324
4325 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
4326
4327         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
4328
4329 2005-03-10  Steven Bosscher  <stevenb@suse.de>
4330
4331         * expr.c (expand_expr_real_1): If possible, use a conditional
4332         move for expanding MIN_EXPR and MAX_EXPR.
4333         Use temp for moving around rtx-en.
4334
4335 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
4336
4337         PR rtl-opt/20412
4338         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
4339         correct mode.
4340
4341 2005-03-10  Roger Sayle  <roger@eyesopen.com>
4342
4343         * builtins.c (expand_builtin_signbit): Extend to handle floating
4344         point modes wider than the largest integer type, using the
4345         operand_subword_force function to obtain the signbit's word.
4346
4347 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4348
4349         PR target/20322
4350         * combine.c (try_combine): If recog_for_combine added CLOBBERs
4351         to NEWI2PAT, fail to combine if they are used by NEWPAT.
4352
4353 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
4354
4355         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
4356
4357 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
4358
4359         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
4360         type void.
4361         (perform_edge_inserts): Unconditionally call
4362         free_dominator_info.
4363
4364         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
4365
4366 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
4367
4368         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
4369
4370 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
4371
4372         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
4373
4374         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
4375         gcc_unreachable.
4376         (rtl_register_value_prof_hooks,
4377         tree_value_profile_transformations,
4378         tree_register_value_prof_hooks): Likewise.
4379         * var-tracking.c (stack_adjust_offset_pre_post,
4380         variable_htab_free, variable_union, dataflow_set_different_2,
4381         count_uses, variable_was_changed, set_frame_base_location,
4382         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
4383         vt_add_function_parameters): Likewise.
4384         * varasm.c (named_section_real, named_section, make_decl_rtl,
4385         asm_emit_uninitialised, assemble_integer, decode_addr_const,
4386         const_hash_1, compare_constant, copy_constant, force_const_mem,
4387         output_constant_pool_2, output_constant_pool_1, output_constant,
4388         output_constructor, make_decl_one_only, decl_tls_model,
4389         default_no_named_section, default_elf_select_section_1,
4390         default_unique_section_1): Likewise.
4391         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
4392         * vmsdbgout.c (addr_const_to_string): Likewise.
4393
4394         PR c++/20375
4395         * function.c (struct assign_parm_data_one): Remove last_named
4396         field.
4397         (assign_parm_find_data_types): Don't determine last_named.
4398         Reorder named_parm determination.
4399         (assign_parms): Only setup varargs on the last non-varadic
4400         parameter.
4401
4402 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
4403
4404         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
4405         sda base address on medium model.
4406
4407 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
4408
4409         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
4410         * cfgloop.c (flow_loop_nodes_find): Export.
4411         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
4412         Declare.
4413         * cfgloopmanip.c (fix_loop_structure): New function.
4414         * predict.c (predict_loops): Clean up the loops information.
4415         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
4416         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
4417         loop structure.
4418         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
4419         (rewrite_into_loop_closed_ssa): Declaration changed.
4420         * tree-loop-linear.c (linear_transform_loops): Add argument to
4421         rewrite_into_loop_closed_ssa call.
4422         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4423         * tree-ssa-loop-im.c (move_computations): Ditto.
4424         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4425         * tree-vectorizer.c (vectorize_loops): Ditto.
4426         * tree-optimize.c: Include cfgloop.h.
4427         (execute_todo): Choose whether to call cleanup_tree_cfg or
4428         cleanup_tree_cfg_loop.
4429         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
4430         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
4431         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
4432         cleanup_tree_cfg_loop call.
4433         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
4434         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
4435         work on part of cfg.
4436
4437 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4438
4439         PR inline-asm/20314
4440         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
4441         with multiple alternatives.
4442
4443         * stmt.c (parse_output_constraint): Fix a typo.
4444
4445 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
4446
4447         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
4448         assembly directive instead of deprecated "no-generics".
4449
4450 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
4451
4452         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4453         for non-offsettable memory references to cope with outstanding reload
4454         replacements.
4455         * config/s390/s390.md ("reload_outti"): Call find_replacement to
4456         avoid losing outstanding address reloads.
4457         ("reload_outdi", "reload_outdf"): Likewise.
4458
4459 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4460
4461         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
4462         code.  Add more cbrt transformations.
4463
4464 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4465
4466         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
4467
4468 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4469
4470         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
4471         NULL_TREE when a given tree is not simplified.
4472         (fold): Return the original tree when any of the functions
4473         mentioned above NULL_TREE.
4474
4475         * fold-const.c (fold_unary, fold_binary): Take decomposed
4476         arguments, code, type, op0, and op1 in case of fold_binary.
4477         (fold): Update calls to fold_unary and fold_binary.
4478
4479 2005-03-09  Roger Sayle  <roger@eyesopen.com>
4480
4481         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
4482         a fndecl and an arglist instead of a CALL_EXPR, exp.
4483
4484 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4485
4486         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
4487
4488         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
4489
4490         * expr.c (expand_assignment): Remove orig_to_rtx.
4491
4492         * fold-const.c (int_const_binop): Remove no_overflow.
4493
4494         * ifcvt.c (noce_emit_move_insn): Remove inmode.
4495
4496         * loop-iv.c (get_biv_step_1): Remove lhs.
4497
4498         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
4499
4500         * real.c (real_nan): Remove neg.
4501
4502         * function.c (thread_prologue_and_epilogue_insns): Remove i
4503         and newinsn.
4504
4505         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
4506         tb.
4507
4508         * tree-eh.c (tree_could_trap_p): Remove idx.
4509
4510         * tree-into-ssa.c (ann): Remove ann.
4511
4512         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
4513
4514         * tree-sra.c (decide_block_copy): Remove inst_count.
4515
4516         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
4517
4518         * tree-ssa-loop-im.c (lhs): Remove.
4519
4520         * cfgbuild.c (state, STATE, SET_STATE,
4521         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
4522         make_edges.
4523         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
4524         (find_basic_blocks): Set the state of each basic block to
4525         BLOCK_NEW.
4526
4527 2005-03-08  Jeff Law  <law@redhat.com>
4528
4529         * tree-cfg.c (cleanup_control_flow): If removal of a computed
4530         goto results in the removal of edges in the CFG, then we need
4531         to recompute dominators.
4532
4533 2005-03-09  Ben Elliston  <bje@au.ibm.com>
4534
4535         * c-common.c (c_do_switch_warnings): Comment fix.
4536
4537 2005-03-08  Julian Brown  <julian@codesourcery.com>
4538
4539         * Patch from 2005-03-08 reverted for causing regressions and
4540         ppc-darwin bootstrap failure.
4541
4542 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
4543
4544         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
4545         Define the real function for ppc-darwin.
4546         * c-typeck.c (convert_arguments): Check for target-specific
4547         invalid argument call to unprototyped function.
4548         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4549         New Macro.
4550         * target.h (invalid_arg_for_unprototyped_fn): New field
4551         in struct calls.
4552         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
4553         default target hook.
4554         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
4555         Declare.
4556
4557 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4558
4559         * c-typeck.c (constructor_stack, constructor_range_stack,
4560         initializer_stack): Make them static.
4561
4562         * cfg.c (rbi_pool): Make it static.
4563
4564         * gimple-low.c (lower_stmt_body): Make it static.
4565         * tree-flow.h: Remove the corresponding prototype.  Don't
4566         declare lower_data.
4567
4568         * sched-deps.c (cache_size): Make it static.
4569
4570         * stor-layout.c (lang_adjust_rli): Make it static.
4571
4572 2005-03-08  Julian Brown  <julian@codesourcery.com>
4573
4574         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4575         from being used for symbols with vague linkage when
4576         HAVE_GAS_COMDAT_GROUP is true.
4577
4578 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
4579
4580         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
4581         nlabel == JUMP_LABEL (jump).
4582
4583 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4584
4585         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
4586         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
4587         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
4588         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
4589
4590 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
4591
4592         PR c/14411
4593         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
4594         * c-common.c (handle_returns_twice): New function.
4595         (c_common_attribute_table): Declare eturns_twice' attribute.
4596         * doc/extend.texi: Document eturns_twice' attribute.
4597         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
4598         (struct tree_decl): Add returns_twice_flag.
4599
4600 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4601
4602         * tree-ssa-phiopt.c: Fix a comment typo.
4603
4604         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
4605         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
4606         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
4607         copyright.
4608
4609 2005-03-08  Richard Henderson  <rth@redhat.com>
4610
4611         * config/alpha/alpha.c (code_for_builtin): Replace special-case
4612         builtin codes with ctzdi2, clzdi2, popcountdi2.
4613         (struct alpha_builtin_def): Add is_const.
4614         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
4615         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
4616         (alpha_init_builtins): Init them.  Set nothrow and const attributes
4617         on builtins.
4618         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
4619         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
4620         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
4621         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
4622         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
4623         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
4624         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
4625         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
4626         (TARGET_FOLD_BUILTIN): New.
4627         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
4628         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
4629         (ffsdi2): Use ctz.
4630         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
4631
4632 2005-03-08  Ira Rosen  <irar@il.ibm.com>
4633
4634         PR tree-optimization/20122
4635         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
4636         condition of access function instead of base.
4637
4638 2005-03-07  Jeff Law  <law@redhat.com>
4639             Steven Bosscher  <stevenb@suse.de>
4640
4641         * tree-cfg.c (find_taken_edge_computed_goto): New function.
4642         (find_taken_edge): Call find_taken_edge_computed_goto as
4643         appropriate.  Allow any gimple invariant rather than just
4644         INTEGER_CST for VAL.
4645         (cleanup_control_flow): Cleanup a computed goto which has turned
4646         into a simple goto.
4647         (tree_merge_blocks): If block B has any forced labels, move
4648         them to the start of block A.
4649         * tree-ssa-dom.c (thread_across_edge): Allow threading across
4650         computed gotos as well.
4651         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
4652         removal of unnecessary computed gotos too.
4653         (lookup_redirection_data): Fix type of INSERT argument.  Callers
4654         updated.
4655
4656 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4657
4658         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
4659         Remove trailing spaces.
4660
4661         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
4662         unshare_all_trees): Make them static.
4663         * tree-gimple.h: Remove the corresponding prototypes.
4664
4665         * diagnostic.h: Remove unused prototype
4666         debug_output_buffer.
4667         * modulo-sched.c: Remove unused prototype
4668         set_row_column_for_ps.
4669
4670         * tree-ssa-phiopt.c (tree_ssa_phiopt,
4671         replace_phi_edge_with_variable): Remove unused variable i.
4672
4673 2005-03-07  Per Bothner  <per@bothner.com>
4674
4675         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
4676
4677 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
4678
4679         PR tree-opt/17671
4680         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
4681         bbs on the COND_EXPR instead of the PHI_NODEs.
4682         (candidate_bb_for_phi_optimization): Remove.
4683         (replace_phi_with_stmt): Rename to ...
4684         (replace_phi_edge_with_variable): this and change so that we
4685         replace the phi argument instead of removing the PHI.
4686         (conditional_replacement): Change so we deal with PHI with more
4687         than two arguments.
4688         (value_replacement): Likewise.
4689         (abs_replacement): Likewise.
4690
4691 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
4692
4693         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
4694         output_e500_flip_gt_bit.
4695
4696         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
4697         as bit 31.
4698         (rs6000_generate_compare): Fix logic to look at the correct bits.
4699         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4700         Look at GT bit.
4701         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4702         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4703         gen_move_from_CR_gt_bit.
4704
4705         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4706         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4707         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4708
4709         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4710         (E500_CR_IOR_COMPARE): New constant.
4711
4712 2005-03-08  Earl Chew <earl_chew@agilent.com>
4713             David Billinghurst <David.Billinghurst@riotinto.com>
4714
4715         * config/i386/host-cygwin.c: New file to support precompiled
4716         headers on cygwin
4717         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4718         * config.host: Use above files for cygwin host.
4719
4720 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4721
4722         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4723         ordering ops from earlier change.
4724
4725 2005-03-07  Per Bothner  <per@bothner.com>
4726
4727         Various fixes to allow us to again build if --enable-mapped-location:
4728         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4729         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4730         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4731         local variable loc. Change logic appropriately.
4732         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4733         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4734         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4735         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4736         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4737
4738 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4739
4740         PR rtl-optimization/19683
4741         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4742         number of bytes, to smallest_int_for_mode.  Fix arguments to
4743         REG_CANNOT_CHANGE_MODE_P.
4744
4745 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4746
4747         * reorg.c (relax_delay_slots): Check that the jump is
4748         conditional before trying to invert it.
4749
4750 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4751
4752         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4753         Make them static.
4754
4755         * calls (stack_arg_under_construction): Make it static.
4756
4757         * flow.c (regs_live_at_setjmp): Make it static.
4758         * flow.h: Remove the corresponding prototype.
4759
4760         * reload1.c (reload_startobj, reload_firstobj,
4761         something_needs_operands_changed, reload_inherited,
4762         reload_inheritance_insn, reload_override_in,
4763         reload_spill_index): Make them static.
4764
4765         * recog.c (verify_changes): Make it static.
4766         * recog.h: Remove the corresponding prototype.
4767
4768         * cfgbuild.c (find_sub_basic_blocks): Remove.
4769         * basic-block.h: Remove the corresponding prototype.
4770         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4771         in comments.
4772         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4773
4774         * tree-ssa-operands.c (check_build_stmt): Remove.
4775
4776         * stor-layout.c (set_alignment): Remove.
4777         * tree.h: Remove the corresponding prototype.
4778
4779         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4780
4781         * tree-ssa-dce.c (control_dependence_map,
4782         visited_control_parents): Make them static.
4783
4784         * cfghooks.c (verify_flow_info): Remove local variable
4785         num_bb_notes.
4786
4787         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4788         last_bb_seen.
4789
4790         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4791
4792 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4793
4794         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4795
4796 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4797
4798         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4799         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4800         PARALLEL for an empty structure.
4801
4802 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4803
4804         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4805
4806         * fold-const.c (fold_binary): Unroll the very first "for"
4807         loop.
4808
4809 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4810
4811         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4812         redundant match_code test.
4813         (scc_comparison_operator): Swap match_operand and match_code
4814         tests.
4815         (branch_positive_comparison_operator): Same.
4816         (trap_comparison_operator): Use comparison_operator and swap with
4817         match_code test.
4818
4819 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4820
4821         PR target/20288
4822         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4823         (out_movhi_r_mr): Read low byte of volatile MEM first.
4824         (out_movhi_mr_r): Write high byte of volatile MEM first.
4825
4826 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4827
4828         * cselib.c (reg_values, reg_values_size): Make them static.
4829
4830         * cse.c (cse_reg_info_table): Make it static.
4831
4832         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4833
4834 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4835
4836         * cse.c (find_best_addr): Use canon_for_address.
4837
4838 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4839
4840         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4841         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4842         SUBREG and MEM, respectively.
4843
4844         * fold-const.c (fold_binary): Use code instead of t.
4845
4846         * fold-const.c (optimize_minmax_comparison): Take decomposed
4847         arguments code, type, op0, and op1 instead of t.
4848         (fold_binary): Update a call to optimize_minmax_comparison.
4849
4850         * fold-const.c (fold_range_test): Take decomposed arguments
4851         code, type, op0, and op1 instead of t.
4852         (fold_binary): Update a call to fold_range_test.
4853
4854         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4855         decomposed arguments code, type, op0, and op1 instead of t.
4856         (fold_binary): Update a call to fold_range_test.
4857
4858 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4859
4860         * fold-const.c (fold_binary): Avoid directly using the original
4861         expression t as much as possible.
4862
4863 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4864
4865         * c-semantics.c (build_stmt): Use TYPE_P instead of
4866         IS_NON_TYPE_CODE_CLASS.
4867         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4868         (NON_TYPE_CHECK): Use TYPE_P instead of
4869         IS_NON_TYPE_CODE_CLASS.
4870
4871         * fold-const.c (fold): Remove handling of binary expressions.
4872
4873 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4874
4875         * doc/c-tree.texi: Wrap comments in @r{}.
4876         * doc/cpp.texi: Likewise.
4877         * doc/cppinternals.texi: Likewise.
4878         * doc/extend.texi: Likewise.
4879         * doc/md.texi: Likewise.
4880         * doc/objc.texi: Likewise.
4881         * doc/sourcebuild.texi: Likewise.
4882         * doc/tm.texi: Likewise.
4883         * doc/tree-ssa.texi
4884
4885 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4886
4887         * predict.c (apply_return_prediction): Standardize PHI chain
4888         walking.
4889         * tree-ssa.c (ssa_redirect_edge): Likewise.
4890
4891         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4892         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4893         Update copyright.
4894
4895         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4896         * tree-flow.h: Adjust the prototype for remove_phi_node.
4897         * lambda-code.c (perfect_nestify): Adjust a call to
4898         remove_phi_node.
4899         * tree-cfg.c
4900         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4901         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4902         Likewise.
4903         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4904         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4905         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4906         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4907
4908         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4909         of GEN_INT (trunc_int_for_mode (...)).
4910         * loop-iv.c (iv_number_of_iterations): Likewise.
4911         * postreload.c (reload_cse_move2add): Likewise.
4912         * simplify-rtx.c (simplify_const_unary_operation,
4913         simplify_const_binary_operation): Likewise.
4914         * stor-layout.c (get_mode_bounds): Likewise.
4915
4916         * fold-const.c (fold_binary): New.
4917         (fold): Call fold_binary on binary expressions.
4918
4919 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4920
4921         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4922         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4923         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4924         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4925         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4926
4927 2005-03-04  Devang Patel  <dpatel@apple.com>
4928
4929         PR tree-optimization/18815
4930         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4931         loops with zero exit edges.
4932
4933 2005-03-04  Devang Patel  <dpatel@apple.com>
4934
4935         * doc/invoke.texi: Remove reference to webpage that does not exist.
4936
4937 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4938             Joseph S. Myers  <joseph@codesourcery.com>
4939
4940         PR c++/19797
4941         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4942         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4943         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4944         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4945         maybe_get_identifier instead of get_identifier.
4946         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4947         (struct deferred_plabel): Replace name field with symbol field.
4948         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4949         ASM_OUTPUT_EXTERNAL_REAL is defined.
4950         (output_global_address): Use output_addr_const for output of all
4951         symbol_refs.
4952         (output_deferred_plabels): Use symbol_ref instead of name for address
4953         output.
4954         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4955         ASM_OUTPUT_SYMBOL_REF): New macros.
4956         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4957         comment.
4958         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4959         label.
4960
4961 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4962
4963         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4964         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4965
4966 2005-03-04  Jeff Law  <law@redhat.com>
4967
4968         * basic-block.h (rediscover_loops_after_threading): Declare.
4969         * tree-ssa-dom.c: Include cfgloop.h.
4970         (tree_ssa_dominator_optimize): Discover loops and some basic
4971         properties.  Remove forwarder blocks recreated by loop header
4972         canonicalization.  Also mark backedges in the CFG.
4973         * tree-ssa-threadupdate.c: Include cfgloop.h
4974         (rediscover_loops_after_threading): Define.
4975         (struct local_info): New field, JUMP_THREADED.
4976         (prune_undesirable_thread_requests): New function.
4977         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4978         then record that fact for the callers of redirct_edges.
4979         (thread_block): If BB has incoming backedges, then call
4980         prune_undesirable_thraed_requests.    Note when we are
4981         going to have to rediscover loop information.  Return a
4982         boolean indicating if any jumps were threaded.
4983         (thread_through_all_blocks): Bubble up boolean indicating
4984         if any jumps were threaded.
4985         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4986         (tree-ssa-threadupdate.o): Similarly.
4987
4988 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4989
4990         * fold-const.c (fold_ternary): Unroll the "for" loop to
4991         extract operands.
4992
4993 2005-03-04  Andrew Haley  <aph@redhat.com>
4994
4995         * unwind-dw2-fde-glibc.c (struct
4996         unw_eh_callback_data.check_cache): New field.
4997         (frame_hdr_cache): New.
4998         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4999         Cache frame header info.
5000
5001 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
5002
5003         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
5004         (print_c_condition): Declare.
5005         * read-rtl.c (ptr_loc): New structure.
5006         (ptr_locs, ptr_loc_obstack, joined_conditions)
5007         (joined_conditions_obstack): New variables.
5008         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
5009         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
5010         (join_c_conditions, print_c_condition): New functions.
5011         (apply_macro_to_string): Associate the new string with the same
5012         source location as the old one.
5013         (add_condition_to_string): Use join_c_conditions.
5014         (read_string): Use set_rtx_ptr_loc to record a filename and line
5015         number for the string.
5016         (read_rtx): Initialize the new variables above.
5017         * genattrtab.c (write_test_expr, write_attr_value): Use
5018         print_c_condition.
5019         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
5020         comment above the GCC_VERSION check.
5021         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
5022         Inline the definition of MAYBE_EVAL.
5023         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
5024         * genoutput.c (process_template): Likewise.
5025         * genpreds.c (write_predicate_subfunction): Likewise.
5026         (write_predicate_expr): Use print_c_condition.
5027         * genrecog.c (write_cond): Likewise.
5028         * gensupport.c (process_rtx): Use join_c_conditions to join the
5029         conditions of a define_insn_and_split.  Record a source location
5030         for the string after the "&&".
5031         (alter_test_for_insn): Use join_c_conditions.
5032
5033 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
5034
5035         Revert for now:
5036         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5037         PR tree-optimization/15784
5038         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5039         and -1 - A to ~A.
5040
5041 2005-03-04  Ben Elliston  <bje@au.ibm.com>
5042
5043         * gcc.c (option_map): Add --coverage.
5044         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
5045         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
5046         * config/darwin.h: Pass -lgcov for `coverage'.
5047         * doc/invoke.texi (Debugging Options): Document --coverage.
5048
5049 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5050
5051         * gcse.c (bypass_block): Use find_edge wherever possible.
5052
5053 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
5054
5055         Fix PR debug/20253
5056
5057         * c-opts.c (c_common_parse_file): Call start_source_file
5058         and end_source_file at the approriate times.
5059
5060         * dwarf2out.c (dwarf2out_finish): Don't auto-end
5061         the main file, it will be done for us now.
5062
5063 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
5064
5065         * fold-const.c (fold_ternary): New.
5066         (fold): Call fold_ternary on ternary expressions.  Remove
5067         handling of ternary expressions.
5068
5069 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
5070
5071         PR tree-optimization/15784
5072         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5073         and -1 - A to ~A.
5074
5075 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
5076
5077         * config/rs6000/predicates.md (branch_comparison_operator):
5078         Convert from C block to conditional format.
5079
5080 2005-03-03  Jan Hubicka  <jh@suse.cz>
5081
5082         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
5083         and non-constant public variables.
5084
5085 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
5086
5087         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
5088         with LABEL_EXPR.
5089
5090         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
5091         EDGE_I.
5092
5093         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
5094         calls to release_ssa_name and release_phi_node.
5095
5096         * fold-const.c (fold): Remove handling of unary expressions.
5097
5098         * fold-const.c (fold_unary): Avoid directly using the original
5099         expression t as much as possible.
5100
5101 2005-03-03  Roger Sayle  <roger@eyesopen.com>
5102             Andrew Pinski  <pinskia@physics.uc.edu>
5103
5104         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
5105         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
5106
5107 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
5108
5109         Describe special registers SRP and MOF as allocatable registers.
5110         * config/cris/cris.c (cris_md_asm_clobbers): New function.
5111         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
5112         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
5113         TARGET_HAS_MUL_INSNS.
5114         (cris_print_operand) <case 'd'>: New case.
5115         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
5116         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
5117         define.
5118         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
5119         (REG_ALLOC_ORDER): Update for MOF.
5120         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
5121         SPECIAL_REGS.
5122         (GENERAL_REGS): No longer a define of ALL_REGS.
5123         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
5124         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5125         Adjust accordingly.
5126         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
5127         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
5128         (SECONDARY_RELOAD_CLASS): Define.
5129         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
5130         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
5131         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
5132         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
5133         (REGISTER_MOVE_COST): Define.
5134         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
5135         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
5136         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
5137         (CRIS_MOF_REGNUM): New define_constants.
5138         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
5139         special registers.
5140         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
5141         New patterns.
5142         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
5143         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
5144         Adjust for MOF being properly described as a register.
5145         (indir_to_reg_split): Name this split.  Conditionalize on the
5146         destination register being a general register.
5147         (movei): Conditionalize on on operands 0 and 1 having the same
5148         register class.
5149
5150 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
5151
5152         PR target/20277
5153         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
5154         -mcpu to override any other explicitly given flags.
5155
5156 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
5157
5158         * recog.c (verify_changes, confirm_change_group): New functions,
5159         broken out of apply_change_group.
5160         (apply_change_group): Use them.
5161         * recog.h (verify_change, confirm_change_group): Declare.
5162         * rtl.h (redirect_jump_2): Declare.
5163         * jump.c (redirect_exp, invert_exp): Delete.
5164         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
5165         (redirect_jump_2): New function, broken out of redirect_jump.
5166         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
5167         (invert_jump): Use invert_jump_1 and redirect_jump_2.
5168         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
5169
5170 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
5171
5172         * varasm.c (named_section): Use xstrdup rather than doing it by
5173         hand.
5174
5175         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
5176
5177 2005-03-02  Devang Patel  <dpatel@apple.com>
5178
5179         Undo PR tree-optimization/18815 fix.
5180
5181 2005-03-02  Devang Patel  <dpatel@apple.com>
5182
5183         PR tree-optimization/18815
5184         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
5185         loops with zero exit edges.
5186
5187 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5188
5189         * cfg.c (connect_src, connect_dest, disconnect_src,
5190         disconnct_dest): New.
5191         (unchecked_make_edge, remove_edge, redirect_edge_succ,
5192         redirect_edge_pred): Use the new functions.
5193
5194         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5195         free_dominance_info only when needed.
5196
5197 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
5198
5199         PR target/20276
5200         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
5201         (reg_or_sub_cint64_operand): Same.
5202
5203 2005-03-02  Jeff Law  <law@redhat.com>
5204
5205         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
5206         CFG_ALTERED in the main DOM iteration loop.
5207
5208 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
5209
5210         PR c++/19916
5211         * varasm.c (initializer_constant_valid_p): Allow conversions
5212         between OFFSET_TYPEs.  Tidy.
5213
5214 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
5215
5216         * config/cris/cris.md ("return"): Remove epilogue delay list
5217         sanity check.
5218
5219 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
5220
5221         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
5222         for Thumb.
5223         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
5224
5225 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
5226
5227         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
5228         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
5229         config/m68k/m68k.c, config/mips/mips.h,
5230         config/rs6000/rs6000-protos.h, doc/contrib.texi,
5231         doc/include/gcc-common.texi: Update copyright.
5232
5233         PR middle-end/18029 and PR middle-end/18030
5234         * expr.c (optimize_bitfield_assignment_op): Add a special case
5235         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
5236
5237         * fold-const.c (fold_unary): New.
5238         (fold): Call fold_unary on unary expressions.
5239
5240 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
5241
5242         * cgraph.h (struct cgraph_edge): Add prev_caller and
5243         prev_callee fields.
5244         (cgraph_node_remove_callees): Export.
5245         * cgraph.c (cgraph_create_edge): Initialize prev_caller
5246         and prev_callee.
5247         (cgraph_edge_remove_callee): New function.
5248         (cgraph_edge_remove_caller): Likewise.
5249         (cgraph_remove_edge): Use.
5250         (cgraph_redirect_edge_callee): Likewise.
5251         (cgraph_node_remove_callees): New function.
5252         (cgraph_node_remove_callers): Likewise.
5253         (cgraph_remove_node): Use.
5254         * tree-optimize.c (tree_rest_of_compilation): Use
5255         cgraph_node_remove_callees instead of manual loop.
5256         * cgraphunit.c (cgraph_finalize_function): Likewise.
5257         (cgraph_expand_function): Likewise.
5258         (cgraph_remove_unreachable_nodes): Likewise.
5259
5260 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
5261
5262         PR c/8927
5263         * c-tree.h (undeclared_variable, build_external_ref): Add extra
5264         argument.
5265         * c-decl.c (undeclared_variable): Take location as argument.
5266         * c-typeck.c (build_external_ref): Likewise.
5267         * c-parser.c (c_parser_postfix_expression): Pass location of
5268         identifier to build_external_ref.
5269
5270 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5271
5272         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
5273         CCEQ mode for branch_positive_comparison_operator test.
5274         * config/rs6000/predicates (branch_comparison_operator): Revert to
5275         define_predicate.
5276         (scc_comparison_operator): Same.
5277         (branch_positive_comparison_operator): Same.
5278
5279 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
5280
5281         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
5282         (cris_delay_slots_for_epilogue): Remove.
5283         (save_last): Move into cris_target_asm_function_epilogue.
5284         (cris_target_asm_function_epilogue): Remove tests for file being
5285         NULL.
5286         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
5287         (cris_delay_slots_for_epilogue): Remove prototypes.
5288         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
5289         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
5290
5291 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
5292
5293         * config/rs6000/predicates.md (branch_comparison_operator): Change
5294         to define_special_predicate.
5295         (scc_comparison_operator): Same.
5296         (branch_positive_comparison_operator): Same.
5297
5298 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
5299
5300         * Makefile.in (tree-ssa-sink.o): New.
5301         (OBJS-common): Add tree-ssa-sink.o.
5302         * common.opt: Add -ftree-sink
5303         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
5304         * timevar.def (TV_TREE_SINK): new timevar.
5305         * tree-flow.h (is_hidden_global_store): Prototype.
5306         * tree-optimize.c (init_tree_optimization_passes): Add
5307         pass_sink_code.
5308         * tree-pass.h (pass_sink_code): New.
5309         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
5310         for non-obvious global store store to is_hidden_global_store, and
5311         call that new function.
5312         * tree-ssa-sink.c: New file.
5313         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
5314         * doc/passes.texi: Document forward store motion.
5315         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
5316         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
5317         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
5318         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
5319
5320 2005-03-01  Per Bothner  <per@bothner.com>
5321
5322         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
5323         and we have a non-zero column-number, add it to the message.
5324         Also factor out the diagnostic_kind_text.
5325
5326 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5327
5328         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
5329         flow_loop_pre_header_scan, flow_loop_pre_header_find,
5330         flow_loop_scan): Removed.
5331         (flow_loop_dump): Do not dump removed fields.
5332         (flow_loop_free): Do not free removed fields.
5333         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
5334         (loop_exit_edge_p): New function.
5335         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
5336         num_pre_header_edges, entry_edges, num_entries, exit_edges,
5337         num_exits, exits_doms.
5338         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
5339         LOOP_EDGES, LOOP_ALL): Removed.
5340         (flow_loop_scan): Declaration removed.
5341         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
5342         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
5343         flow_loops_find.
5344         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
5345         (if_convert): Call flow_loops_find and flow_loops_free
5346         when calling mark_loop_exit_edges.
5347         * cfgloopanal.c (mark_loop_exit_edges): Moved from
5348         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
5349         free_dominance_info calls.
5350         * loop-init.c (flow_loops_find): Ditto.
5351         * passes.c (rest_of_handle_branch_prob): Ditto.
5352         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
5353         * loop-unroll.c (analyze_insns_in_loop): Do not use
5354         EDGE_LOOP_EXIT.
5355         * predict.c (predict_loops): Do not call flow_loop_scan.
5356         Use get_loop_exit_edges.
5357         (tree_estimate_probability): Do not pass flags to flow_loops_find.
5358         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
5359         Do not use EDGE_LOOP_EXIT.
5360         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
5361         to bb_with_exit_edge_p.
5362         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
5363         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
5364         to bb_with_exit_edge_p.
5365         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
5366         EDGE_LOOP_EXIT.
5367         * tree-loop-linear.c (linear_transform_loops): Do not call
5368         flow_loop_scan.  Use loop->single_exit.
5369         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
5370         (vect_analyze_loop_form): Do not call flow_loop_scan.
5371         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
5372         loop->single_exit.
5373         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
5374         loop->single_exit.
5375         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
5376         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5377         slpeel_tree_duplicate_loop_to_edge_cfg,
5378         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
5379         Use loop_preheader_edge and loop->single_exit.  Do not call
5380         flow_loop_scan.
5381
5382 2005-03-01  Nick Clifton  <nickc@redhat.com>
5383
5384         * config/arm/arm.c (thumb_find_work_register): Check all of the
5385         argument registers to see if they are free, and a couple of
5386         special cases where the last argument register but can be proved
5387         to be available during the function's prologue.
5388         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
5389         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
5390         thumb_unexpanded_epilogue): Use unsigned long as the type for the
5391         register bit-mask.
5392         (thumb_compute_save_reg_mask): Likewise.  Also use
5393         thumb_find_work_register() to ensure that there is agreement about
5394         which work register is going to be used in the prologue.
5395         (thumb_output_function_prologue): Use unsigned long as the type
5396         for the register bit-mask.  Also delay pushing the link register if
5397         other high registers are going to be pushed.
5398         (thumb_compute_save_reg_mask, emit_multi_reg_push,
5399         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
5400         redundant prototypes.
5401
5402 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
5403
5404         PR target/19819
5405         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
5406         and after reload in REG+REG indexed addresses without REG_POINTER
5407         set in the base and not set in the index.
5408
5409 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5410
5411         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
5412         Don't undefine here.
5413         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
5414         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
5415         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5416         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
5417         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
5418         Delete.
5419         * config.gcc (sh*-*-linux*): Use config/linux.h.
5420
5421 2005-02-28  Dale Johannesen  <dalej@apple.com>
5422             Stan Shebs  <shebs@apple.com>
5423
5424         Rewrite of 64-bit Darwin structure-by-value pass/return.
5425         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
5426         intoffset, use_stack, named.
5427         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
5428         (rs6000_darwin64_record_arg_advance_flush):  New.
5429         (rs6000_darwin64_record_arg_advance_recurse): New.
5430         (rs6000_darwin64_record_arg_flush):  New.
5431         (rs6000_darwin64_record_arg_recurse):  New.
5432         (rs6000_darwin64_record_arg):  New.
5433         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
5434         (function_arg_boundary):  Handle 128-bit aligned structs.
5435         (function_arg_advance):  Rewrite darwin64 struct handling.
5436         (function_arg):  Call rs6000_darwin64_record_arg.
5437         (function_arg_partial_nregs):  Handle darwin64 structs.
5438         (rs6000_darwin64_function_value):  Remove.
5439         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
5440
5441 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5442
5443         PR tree-optimization/20216
5444         * tree-chrec.c (tree_fold_factorial): Delete.
5445         (tree_fold_binomial): Change argument list to take a return type
5446         and change the type of K to unsigned int.  Rewrite to avoid explicit
5447         evaluation of factorials, and (recursively) calling fold to perform
5448         compile-time arithmetic.  Return NULL on (internal) overflow.
5449         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
5450         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
5451         if any intermediate calculation overflows.
5452         (chrec_apply): Update call to chrec_evaluate.
5453
5454 2005-02-28  James E Wilson  <wilson@specifixinc.com>
5455
5456         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
5457
5458 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
5459
5460         PR c/20245
5461         * c-parser.c (c_parser_compound_statement): Return error_mark_node
5462         instead of NULL_TREE on error.
5463
5464 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
5465
5466         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
5467         (EASY_VECTOR_15_ADD_SELF): Remove.
5468         (num_insns_constant_wide): Not static.
5469         (validate_condition_mode): Not static.
5470         (toc_relative_expr_p): Not static.
5471         (legitimate_indirect_address_p): Not static.
5472         (macho_lo_sum_memory_operand): Not static.
5473         (invalid_e500_subreg): Not static.
5474         (easy_vector_same): Not static.
5475         (easy_vector_splat_const): Not static.
5476         (RS6000_SYMBOL_REF_TLS_P): Remove.
5477         (any_operand): Delete.
5478         (any_parallel_operand): Delete.
5479         (count_register_operand): Delete.
5480         (altivec_register_operand): Delete.
5481         (xer_operand): Delete.
5482         (s8bit_cint_operand): Delete.
5483         (short_cint_operand): Delete.
5484         (u_short_cint_operand): Delete.
5485         (non_short_cint_operand): Delete.
5486         (exact_log2_cint_operand): Delete.
5487         (gpc_reg_operand): Delete.
5488         (cc_reg_operand): Delete.
5489         (cc_reg_not_cr0_operand): Delete.
5490         (reg_or_short_operand): Delete.
5491         (reg_or_neg_short_operand): Delete.
5492         (reg_or_aligned_short_operand): Delete.
5493         (reg_or_u_short_operand): Delete.
5494         (reg_or_cint_operand): Delete.
5495         (reg_or_arith_cint_operand): Delete.
5496         (reg_or_add_cint64_operand): Delete.
5497         (reg_or_sub_cint64_operand): Delete.
5498         (reg_or_logical_cint_operand): Delete.
5499         (got_operand): Delete.
5500         (got_no_const_operand): Delete.
5501         (easy_fp_constant): Delete.
5502         (easy_vector_constant): Delete.
5503         (easy_vector_constant_add_self): Delete.
5504         (zero_constant): Delete.
5505         (zero_fp_constant): Delete.
5506         (volatile_mem_operand): Delete.
5507         (offsettable_mem_operand): Delete.
5508         (mem_or_easy_const_operand): Delete.
5509         (add_operand): Delete.
5510         (non_add_cint_operand): Delete.
5511         (logical_operand): Delete.
5512         (non_logical_cint_operand): Delete.
5513         (mask_operand): Delete.
5514         (mask_operand_wrap): Delete.
5515         (mask64_operand): Delete.
5516         (mask64_2_operand): Delete.
5517         (and64_operand): Delete.
5518         (and64_2_operand): Delete.
5519         (and_operand): Delete.
5520         (reg_or_mem_operand): Delete.
5521         (lwa_operand): Delete.
5522         (symbol_ref_operand): Delete.
5523         (call_operand): Delete.
5524         (current_file_function_operand): Delete.
5525         (input_operand): Delete.
5526         (rs6000_nonimmediate_operand): Delete.
5527         (rs6000_tls_symbol_ref): Delete.
5528         (save_world_operation): Delete.
5529         (restore_world_operation): Delete.
5530         (load_multiple_operation): Delete.
5531         (store_multiple_operation): Delete.
5532         (vrsave_operation): Delete.
5533         (mfcr_operation): Delete.
5534         (mtcrf_operation): Delete.
5535         (lmw_operation): Delete.
5536         (stmw_operation): Delete.
5537         (branch_comparison_operator): Delete.
5538         (branch_positive_comparison_operator): Delete.
5539         (scc_comparison_operator): Delete.
5540         (trap_comparison_operator): Delete.
5541         (boolean_operator): Delete.
5542         (boolean_or_operator): Delete.
5543         (min_max_operator): Delete.
5544         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
5545         (EASY_VECTOR_15): Moved to here.
5546         (EASY_VECTOR_15_ADD_SELF): Move to here.
5547         (PREDICATE_CODES): Delete.
5548         * config/rs6000/rs6000-protos.h: Delete predicate functions.
5549         Declare functions no longer static.
5550         * config/rs6000/predicates.md: New.
5551         * config/rs6000/rs6000.md: Include predicates.md
5552
5553 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
5554
5555         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
5556         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
5557         REG_ALWAYS_RETURN.
5558         * cfgrtl.c (need_fake_edge_p): Likewise.
5559         * combine.c (distribute_notes): Likewise.
5560         * emit-rtl.c (try_split): Likewise.
5561         * recog.c (peephole2_opimize): Likewise.
5562         * reg-notes.def (ALWAYS_RETURN): Remove.
5563         * rtl.h (LCT_ALWAYS_RETURN): Remove.
5564         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
5565         * tree.h (ECF_ALWAYS_RETURN): Remove.
5566
5567 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5568
5569         PR middle-end/19874
5570         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
5571         between different machine modes is never a "useless" conversion.
5572
5573 2005-02-28  Geert Bosch  <bosch@gnat.com>
5574
5575         PR ada/15977
5576         * doc/contrib.texi: List contributors for Ada front end
5577
5578 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
5579
5580         * simplify-rtx.c (simplify_unary_operation_1,
5581         simplify_const_unary_operation): New, extracted from...
5582         (simplify_unary_operation): ... this one.
5583         (simplify_binary_operation_1,
5584         simplify_const_binary_operation): New, extracted from...
5585         (simplify_binary_operation): ... this one.
5586         * rtl.h (simplify_const_unary_operation,
5587         simplify_const_binary_operation): Add prototypes.
5588
5589 2005-02-28  Julian Brown  <julian@codesourcery.com>
5590
5591         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
5592         building libjava and caused PR regression/20228.
5593
5594 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
5595
5596         PR bootstrap/17383
5597         * Makefile.in (host_subdir): New.
5598         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
5599         * configure: Regenerate.
5600
5601 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
5602
5603         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
5604         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
5605         installation directory first.
5606
5607 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
5608
5609         PR target/19065.
5610         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
5611         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
5612         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
5613         * config/cris/cris.md: Tweak comments referring to Q.
5614         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
5615         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
5616         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
5617         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
5618         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
5619         Insert spaces in constraints to align alternatives vertically for
5620         readability.
5621         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
5622         operand 1: "M".
5623
5624 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5625
5626         PR rtl-optimization/17728
5627         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
5628         operand 0 from general_operand to move_dest_operand.
5629
5630 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5631
5632         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
5633         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5634         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
5635         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
5636
5637 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
5638
5639         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
5640         * configure: Regenerate.
5641         * libada-mk.in: Remove CC; rename
5642         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
5643
5644 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
5645
5646         PR tree-opt/20188
5647         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
5648         for the lhs, also walk over the tree.  Likewise for rhs.
5649
5650 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
5651
5652         * tree-ssa-dom.c (simple_iv_increment_p): New function.
5653         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
5654         Do not propagate value of iv before increment over the increment.
5655
5656 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
5657
5658         * c-parser.c: New file.
5659         * c-parse.in: Remove.
5660         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
5661         Remove.
5662         (c-parser.o): Add dependencies.
5663         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
5664         maintainer-clean, TAGS): Update.
5665         * c-config-lang.in (gtfiles): Update.
5666         * gengtype-lex.l: Don't handle "@@".
5667         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
5668         objc_build_synchronized, objc_begin_try_stmt,
5669         objc_begin_catch_clause, objc_finish_catch_clause,
5670         objc_build_finally_clause, objc_finish_try_stmt): New.
5671         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
5672         type_seen_p.
5673         (c_parse_init): Update comment.
5674         * c-decl.c (c_init_decl_processing): Update comment.
5675         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
5676         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
5677         new c_declspecs members.
5678
5679 2005-02-25  Julian Brown  <julian@codesourcery.com>
5680
5681         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5682         from being used for symbols with vague linkage when
5683         HAVE_GAS_COMDAT_GROUP is true.
5684
5685 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5686
5687         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
5688
5689 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
5690
5691         PR target/19930
5692         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
5693         (LIBGCC2_HAS_DF_MODE): New.
5694         (LIBGCC2_HAS_XF_MODE): New.
5695         (LIBGCC2_HAS_TF_MODE): New.
5696         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5697         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5698         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5699         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5700         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5701         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5702         and add _fixtfdi, _fixunstfdi, _floatditf
5703         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5704         L_fixunstfdi, L_floatditf.
5705         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5706         (LIBGCC2_HAS_TF_MODE): Define.
5707
5708 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5709
5710         PR tree-optimization/20204
5711         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5712         REWRITE_THIS_STMT markers on PHI nodes.
5713         (rewrite_initialize_block): Likewise.
5714
5715 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5716
5717         * version.c (version_string): Update to 4.1.
5718
5719 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5720
5721         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5722         Clarify that the alternative way doesn't work in GNU C++.
5723
5724 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5725
5726         PR tree-optimization/19937
5727         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5728         to the type of the induction variable.
5729
5730 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5731
5732         PR rtl-optimization/20117
5733         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5734         the block including noncopyable insn.
5735
5736 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5737
5738         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5739         calls to find_reg_note.
5740
5741 2005-02-24  Richard Henderson  <rth@redhat.com>
5742
5743         PR tree-opt/20127
5744         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5745         the type.
5746
5747 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5748
5749         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5750         vector types if to use base reg for misaligned non-word ld/std.
5751
5752 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5753
5754         PR target/14619
5755         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5756         dwarf2 label manually and put it after, not before the prologue.
5757
5758 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5759
5760         PR target/19019
5761         * reload.c (operands_match_p): Only increment register number for
5762         SCALAR_INT_MODE_P modes in multiple hard registers.
5763
5764         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5765         Fix formatting.
5766
5767 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5768
5769         * ChangeLog.5: Fix log message typo(s).
5770         * ChangeLog.7: Likewise.
5771         * ChangeLog.tree-ssa: Likewise.
5772         * cfgexpand.c: Fix comment typo(s).
5773         * conflict.c: Likewise.
5774         * defaults.h: Likewise.
5775         * dwarf2out.c: Likewise.
5776         * gcse.c: Likewise.
5777         * ggc-page.c: Likewise.
5778         * tree-eh.c: Likewise.
5779         * tree-ssa-dom.c: Likewise.
5780
5781 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5782
5783         PR target/19019
5784         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5785         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5786         if SHARED is defined.
5787
5788         PR target/20196
5789         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5790         allow splitting only if operands 0 and 3 don't overlap.
5791
5792 2005-02-24  Richard Henderson  <rth@redhat.com>
5793
5794         PR middle-end/19953
5795         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5796         (fold_builtin_1): Call them.
5797         * fold-const.c (fold_complex_mult_parts): Split out from ...
5798         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5799         (fold_complex_div_parts, fold_complex_div): New.
5800         (fold): Use them.
5801         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5802
5803 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5804
5805         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5806         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5807
5808         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5809         (print_node): Likewise.
5810         Print TYPE_SIZES_GIMPLIFIED.
5811
5812 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5813
5814         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5815         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5816         operands as commutative in constraints.
5817
5818 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5819
5820         * tree-into-ssa.c: Re-organize internal functions.
5821
5822 2005-02-24  Richard Henderson  <rth@redhat.com>
5823
5824         PR middle-end/18902
5825         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5826         for c99.
5827         * common.opt (fcx-limited-range): New.
5828         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5829         * toplev.c (flag_complex_method): Initialize to 1.
5830         (process_options): Set flag_complex_method to 0 if
5831         flag_cx_limited_range.
5832         * doc/invoke.texi (-fcx-limited-range): New.
5833
5834 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5835
5836         * cse.c (delete_trivially_dead_insns): Speed up by using
5837         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5838         prev_real_insn.
5839
5840 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5841
5842         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5843         functions when -mid-shared-library is being used.
5844
5845 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5846
5847         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5848         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5849         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5850         * system.h: Poison LINK_LIBGCC_SPECIAL.
5851
5852 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5853
5854         * gengtype.c (note_insn_name): Make 1 element larger.
5855
5856 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5857
5858         PR target/20018
5859         PR rtl-optimization/20097
5860         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5861         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5862
5863 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5864
5865         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5866         * t-aix52 (SHLIB_INSTALL): Same.
5867
5868 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5869
5870         * genpreds.c: Update copyright.
5871
5872 2005-02-23  Michael Beach  <michaelb@ieee.org>
5873
5874         PR target/20159
5875         * config/sparc/t-elf (startup files): Assemble with CPP.
5876
5877 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5878
5879         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5880         (write_predicate_expr): Likewise.
5881
5882 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5883
5884         PR tree-optimization/20100
5885         PR tree-optimization/20115
5886         * tree-optimize.c (init_tree_optimization_passes): Remove
5887         pass_maybe_create_global_var.
5888         * tree-pass.h (pass_maybe_create_global_var): Remove.
5889         * tree-ssa-alias.c (aliases_computed_p): Declare.
5890         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5891         (count_calls_and_maybe_create_global_var): Remove.
5892         (pass_maybe_create_global_var): Remove.
5893         (init_alias_info): Do not declare aliases_computed_p.
5894         (maybe_create_global_var): If the function contains no
5895         call-clobbered variables and a mix of pure/const and regular
5896         function calls, create .GLOBAL_VAR.
5897         Mark all call-clobbered variables for renaming.
5898         (merge_pointed_to_info): Update comment.
5899         (add_pointed_to_var): Likewise.
5900         (is_escape_site): Likewise.
5901         Accept struct alias_info * instead of size_t *.
5902         Update all users.
5903         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5904         as necessary.
5905         * tree-ssa-operands.c (get_call_expr_operands): If
5906         ALIASES_COMPUTED_P is false, do not add call-clobbering
5907         operands.
5908         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5909         (delete_tree_ssa): Likewise.
5910
5911 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5912
5913         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5914         (do_compile): Do call it here.
5915
5916 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5917
5918         PR rtl-optimization/20017.
5919         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5920         rest_of_handle_cse2, rest_of_handle_gcse): Call
5921         delete_dead_jumptables immediately before calling cleanup_cfg.
5922
5923 2005-02-22  Devang Patel  <dpatel@apple.com>
5924
5925         PR 19952
5926         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5927         all labels
5928
5929 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5930
5931         * config/rs6000/aix.h (WINT_TYPE): Define.
5932
5933 2005-02-22  Stan Shebs  <shebs@apple.com>
5934
5935         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5936         natural alignment for 64-bit Darwin.
5937         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5938         on 64-bit Darwin.
5939         * doc/invoke.texi: Document this.
5940
5941 2005-02-22  DJ Delorie  <dj@redhat.com>
5942
5943         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5944         to make_[un]signed_type, not the mode itself.
5945
5946 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5947
5948         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5949         not available.  Use tail calls wherever possible.
5950         (make_edge): Call unchecked_make_edge to create an edge.
5951
5952         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5953         (coalesce_ssa_name): Don't check for
5954         SSANORM_USE_COALESCE_LIST.
5955         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5956
5957 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5958
5959         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5960         (rewrite_into_ssa): ... here.
5961
5962 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5963
5964         PR tree-optimization/19786
5965         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5966         tag to another's may-alias bitmap when adding to the other's list.
5967
5968 2005-02-21  DJ Delorie  <dj@redhat.com>
5969
5970         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5971         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5972         registers in unsupported ways.
5973         * expmed.c (init_expmed): Likewise.
5974
5975 2005-02-21  Stan Cox  <scox@redhat.com>
5976
5977         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5978
5979 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5980
5981         * tree-cfg.c (fold_cond_expr_cond): New.
5982         (make_edges): Call fold_cond_expr_cond.
5983         (find_taken_edge): Accept nothing but INTEGER_CST.
5984         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5985         and 1.
5986         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5987
5988         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5989         that do not belong to any basic block.
5990
5991 2005-02-21  Jeff Law  <law@redhat.com>
5992
5993         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5994         e->dest.
5995
5996 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5997
5998         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5999         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
6000         Adjust their definitions.
6001         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
6002         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
6003
6004         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
6005         genautomata.c, langhooks.c, langhooks.h, system.h,
6006         config/arm/lib1funcs.asm: Update copyright.
6007
6008 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6009
6010         * dbxout.c (dbxout_function_end): Emit Lscope label always.
6011
6012 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
6013
6014         PR bootstrap/13770
6015         * doc/install.texi: Document --with-gc.
6016
6017 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
6018
6019         * simplify-rtx.c (simplify_unary_operation): Add a missing
6020         "break" statement.
6021
6022 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6023
6024         PR tree-optimization/18663
6025         * tree-ssa-dom.c (extract_range_from_cond): Return 0
6026         if the type has variable bounds.
6027
6028 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
6029
6030         * gcse.c: Remove an obsolete comment.
6031
6032         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
6033
6034 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
6035
6036         * doc/extend.texi (Function Attributes) <Attribute const>: The
6037         attribute "pure" is below this text, not above.
6038
6039 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6040
6041         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
6042         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
6043         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
6044
6045 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
6046
6047         PR 18785
6048         * langhooks.h (struct lang_hooks): Add to_target_charset.
6049         * langhooks.c (lhd_to_target_charset): New function.
6050         * langhooks-def.h: Declare lhd_to_target_charset.
6051         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
6052         (LANG_HOOKS_INITIALIZER): Update.
6053         * c-common.c (c_common_to_target_charset): New function.
6054         * c-common.h: Declare it.
6055         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
6056         c_common_to_target_charset.
6057
6058         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
6059         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
6060         Delete definitions.
6061         * system.h: Poison them.
6062         * doc/tm.texi: Don't discuss them.
6063         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
6064         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
6065         (pp_c_char): Do not attempt to generate letter escapes for
6066         newline, tab, etc.
6067         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
6068         * config/mips/mips.c (mips_output_ascii): Likewise.
6069
6070 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
6071
6072         PR tree-optimization/19951
6073         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
6074         is abnormal.
6075
6076 2005-02-19  Steven Bosscher  <stevenb@suse.de>
6077
6078         PR middle-end/19698
6079         * function.h (struct function): New field `max_loop_depth'.
6080         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
6081         (flow_loops_find): Reset the max loop depth count before finding loops.
6082         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
6083         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
6084         (calculate_global_regs_live): Make sure the loop will terminate
6085         when the initial sets are not empty.
6086
6087 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
6088
6089         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
6090         object inside.
6091         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
6092
6093 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
6094
6095         PR other/19525
6096         * doc/invoke.texi: Remove documentation of %M spec.
6097         * gcc.c: Likewise.
6098         (init_spec): Remove %M suffix from -lgcc_s.
6099         (do_spec_1): Remove 'M' case.
6100         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
6101         to put shared libraries in the multilib directory.  Remove the
6102         shlib_so_soname substitution variable.  Don't add a multilib encoding
6103         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
6104         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
6105         SHLIB_INSTALL as well as SHLIB_LINK.
6106         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
6107         (SHLIB_NAME): Delete.
6108         (SHLIB_DIR): New macro.
6109         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
6110         (SHLIB_INSTALL): Adjust accordingly.
6111         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
6112         * config/t-slibgcc-sld: Likewise.
6113         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
6114         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
6115         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
6116         in $(SHLIB_DIR).
6117         (SHLIBUNWIND_INSTALL): Adjust accordingly.
6118         * config/i386/t-nwld (SHLIB_SONAME): Delete.
6119         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
6120         Use @shlib_base_name@ instead of @shlib_so_name@.
6121         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
6122         and @shlib_base_name@.so in @multilib_dir@.
6123         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
6124         to the install path.
6125         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
6126         (SHLIB_LINK): Remove previous workaround.
6127         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
6128         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
6129         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
6130         the install path.
6131         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
6132         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
6133         (SHLIB_INSTALL): Adjust accordingly.
6134         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
6135         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
6136         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
6137         config/t-slibgcc-elf-ver.
6138
6139 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
6140             Jakub Jelinek  <jakub@redhat.com>
6141
6142         PR tree-optimization/19828
6143         * tree-ssa-loop-im.c: Add a TODO comment.
6144         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
6145         without side-effects.
6146
6147 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6148
6149         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
6150         call fold_convert.
6151
6152 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
6153
6154         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
6155         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
6156         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
6157         functions.
6158         (ia64_reorg): Delete fixup_errata call.
6159         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
6160         (TARGET_SWITCHES): Delete -mb-step entry.
6161
6162 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
6163
6164         PR c/20043
6165         * c-typeck.c (composite_type): Handle quals in transparent unions.
6166         (type_lists_compatible_p): Likewise.
6167
6168 2005-02-18  Stan Shebs  <shebs@apple.com>
6169
6170         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
6171         expressions in the .literal8 section.
6172
6173 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
6174
6175         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
6176
6177 2005-02-18  Roger Sayle  <roger@eyesopen.com>
6178
6179         * fold-const.c (constant_boolean_node): Always create values of the
6180         specified type, don't bother calling truthvalue_conversion.
6181
6182 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6183
6184         * except.c (output_function_exception_table): Call
6185         assemble_external_libcall (eh_personality_libfunc).
6186
6187 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6188
6189         PR target/19886
6190         * config/ia64/ia64.h (struct machine_function): Add state_num.
6191         * config/ia64/ia64.c (process_epilogue,
6192         process_for_unwind_directive): Use new unwind state numbers each
6193         time rather than state 1.
6194
6195 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
6196
6197         PR target/20054
6198         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
6199         before the "*llgt_didi" pattern.
6200
6201 2005-02-18  Jason Merrill  <jason@redhat.com>
6202
6203         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
6204
6205 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
6206
6207         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
6208         (div0): Use it in place of ARM_FUNC_ALIAS.
6209         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
6210
6211 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
6212
6213         PR middle-end/20030
6214         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
6215         access, the lower bound of the array type if it exists.
6216
6217 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
6218
6219         PR c++/20008
6220         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
6221         cases that are out-of-range for the index type.
6222
6223 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
6224
6225         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
6226         (estimate_case_costs): Don't call convert.
6227         * expmed.c (expand_shift): Likewise.
6228         (make_tree): Call fold_convert instead of convert.
6229
6230 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6231
6232         PR c++/19813
6233         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
6234         that ref to be marked MEM_READONLY_P doesn't have base that needs
6235         constructing.
6236
6237 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
6238
6239         * genautomata.c (output_get_cpu_unit_code_func,
6240         output_cpu_unit_reservation_p): Don't generate old-style function
6241         definitions.
6242
6243 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
6244
6245         PR c++/20023
6246         PR tree-optimization/20009
6247         * convert.c (convert_to_integer): Revert 2005-02-16 change.
6248
6249         PR tree-optimization/18947
6250         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
6251         inline, remove all nodes that are inlined into the extern inline
6252         being redefined.
6253
6254 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6255
6256         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
6257         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
6258         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
6259         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
6260         Update copyright.
6261
6262 2005-02-17  Roger Sayle  <roger@eyesopen.com>
6263
6264         PR tree-optimization/19917
6265         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
6266         to be potentially trapping.
6267
6268 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
6269
6270         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
6271
6272 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6273
6274         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
6275         tem becomes a local variable which is set to the value of the
6276         back end defined INITIAL_FRAME_ADDRESS macro.
6277         (expand_builtin_frame_address): Omit the base parameter to
6278         expand_builtin_return_addr.
6279         (expand_builtin_profile_func): Likewise.
6280         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
6281         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
6282         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
6283
6284 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
6285
6286         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
6287         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
6288         * config/frv/frv.c (frv_function_epilogue): Likewise.
6289
6290 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
6291
6292         * lambda-code (perfect_nestify): Remove mark/unmark
6293         for rewriting hack.
6294         * tree-loop-linear.c (linear_transform_loops): Add
6295         rewrite_into_ssa call so that ssa is correct for
6296         rewriting into loop closed.
6297
6298 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
6299
6300         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
6301         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
6302         BITMAP_FREE.
6303         * bt-load.c (btr_def_live_range, combine_btr_defs,
6304         migrate_btr_def, migrate_btr_defs): Likewise.
6305         * cfgcleanup.c (thread_jump): Likewise.
6306         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
6307         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
6308         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
6309         df_rd_local_compute, df_reg_info_compute): Likewise.
6310         * dominance.c (init_dom_info, free_dom_info): Likewise.
6311         * flow.c (init_propagate_block_info,
6312         free_propagate_block_info): Likewise.
6313         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
6314         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
6315         modify_reg_pav): Likewise.
6316         * loop-invariant.c (find_defs, find_invariant_insn,
6317         find_invariants, free_inv_motion_data): Likewise.
6318         * predict.c (tree_predict_by_opcode,
6319         estimate_bb_frequencies): Likewise.
6320         * stmt.c (expand_case): Likewise.
6321         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
6322         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
6323         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
6324         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
6325         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
6326         rewrite_ssa_into_ssa): Likewise.
6327         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6328         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
6329         analyze_edges_for_bb, perform_edge_inserts): Likewise.
6330         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
6331         * tree-sra.c (tree_sra): Likewise.
6332         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
6333         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6334         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
6335         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
6336         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
6337         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
6338         Likewise.
6339         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
6340         calculate_live_on_entry, calculate_live_on_exit,
6341         build_tree_conflict_graph): Likewise.
6342         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
6343         record_important_candidates, set_use_iv_cost, find_depends,
6344         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
6345         tree_ssa_iv_optimize_finalize): Likewise.
6346         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
6347         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
6348         tree_duplicate_loop_to_header_edge): Likewise.
6349         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
6350         * tree-ssa.c (verify_flow_insensitive_alias_info,
6351         verify_name_tags, verify_ssa, init_tree_ssa,
6352         delete_tree_ssa): Likewise.
6353         * tree-ssanames.c (marked_ssa_names, init_ssanames,
6354         fini_ssanames): Likewise.
6355         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
6356
6357 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
6358
6359         * config/rs6000/t-rtems: Completely reworked.
6360
6361 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6362
6363         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
6364
6365 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6366
6367         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
6368         POINTER_TYPE_P when checking that type is a pointer.
6369         (vect_get_memtag): Remove.
6370         (vect_address_analysis): Use POINTER_TYPE_P. Call
6371         vect_object_analysis with dummy parameter for memtag.
6372         (vect_object_analysis): Extract memtag (functionality that
6373         used to be in vect_get_memtag and moved here). Fix printings.
6374         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
6375         with correct parameters. Remove call to vect_get_memtag.
6376
6377 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
6378
6379         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
6380         (tree-vectorizer.o): Added missing dependencies.
6381
6382         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
6383         decleration.
6384         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
6385         declaration in tree-vectorizer.c, now has an extern declaration in
6386         tree-vectorizer.h).
6387         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6388         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6389         get_vectype_for_scalar_type, vect_is_simple_use,
6390         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6391         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
6392         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
6393         vectorizable_store, vectorizable_operation, vectorizable_assignment,
6394         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
6395         find_loop_location): Likewise.
6396
6397         * tree-vectorizer.c (langhooks.h): #include removed.
6398         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
6399         moved to tree-vectorized.h.
6400         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6401         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6402         get_vectype_for_scalar_type, vect_is_simple_use,
6403         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6404         vect_supportable_dr_alignment, new_loop_vec_info,
6405         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
6406         vect_set_verbosity_level, find_loop_location): Likewise.
6407
6408         (vect_analyze_loop): Function externalized. Declaration moved to
6409         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
6410         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
6411         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
6412         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
6413         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
6414         vect_enhance_data_refs_alignment, vect_analyze_operations,
6415         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
6416         vect_stmt_relevant_p, vect_get_loop_niters,
6417         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
6418         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
6419         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
6420         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
6421         vect_get_memtag): Likewise.
6422
6423         (vectorizable_load): Function externalized. Declaration moved to
6424         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
6425         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
6426         vect_transform_loop): Likewise.
6427         (vect_transform_stmt): Moved to tree-vect-transform.c.
6428         (vect_align_data_ref, vect_create_destination_var,
6429         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
6430         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
6431         vect_get_vec_def_for_operand, vect_init_vector,
6432         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
6433         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
6434         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
6435         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
6436         vect_do_peeling_for_loop_bound): Likewise.
6437
6438         * tree-vect-analyze.c: New file.
6439         * tree-vect-transform.c: New file.
6440
6441 2005-02-17  Jason Merrill  <jason@redhat.com>
6442
6443         PR mudflap/19319, c++/19317
6444         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
6445         slot explicit.
6446
6447 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
6448
6449         * doc/install.texi (Specific): Update link for Darwin-specific
6450         tool binary site.
6451
6452 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
6453
6454         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
6455         constant_boolean_node.
6456
6457 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
6458
6459         PR target/19019
6460         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
6461         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
6462
6463 2005-02-16  Richard Henderson  <rth@redhat.com>
6464
6465         PR 19920
6466         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
6467         with W_TYPE_SIZE.
6468         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
6469         replace uses with Wtype_MAXp1_F.
6470         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
6471         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
6472         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
6473         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
6474         and HAVE_TFMODE as appropriate.
6475         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
6476         (__floatdisf): Likewise.
6477         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
6478         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
6479         (Wtype_MAXp1_F): New.
6480         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
6481         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
6482
6483 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
6484
6485         * PR target/19162
6486         * arm.c (arm_apply_result_size): New function.
6487         * arm.h (APPLY_RESULT_SIZE): Define.
6488         * arm-protos.h (arm_apply_result_size): Add prototype.
6489         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
6490         (movxf): New expand.
6491         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
6492         (call_value_symbol): Remove predicate for operand 0.
6493         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
6494         (untyped_call): Rework to correclty return values for any type.
6495         (untyped_return): New expand.
6496         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
6497
6498 2005-02-16  Stan Shebs  <shebs@apple.com>
6499
6500         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
6501         * config/rs6000/t-darwin8: New, for 64-bit multilib.
6502
6503 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6504
6505         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
6506         configure settings on Solaris 7 and later.
6507
6508 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
6509
6510         PR tree-optimization/19865
6511         * tree-optimize.c (init_tree_optimization_passes): Run
6512         pass_may_alias after pass_sra.
6513
6514 2005-02-16  Richard Henderson  <rth@redhat.com>
6515             Stuart Hastings  <stuart@apple.com>
6516
6517         PR debug/19521
6518         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
6519         Do nothing if debug info suppressed for this function.
6520         (dbxout_begin_function): Early exit if debug info suppressed for
6521         this function.
6522
6523 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
6524
6525         PR target/20007
6526         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
6527         find_basic_blocks.
6528         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
6529
6530         PR tree-optimization/19967
6531         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
6532         expand_builtin_strchr, expand_builtin_strrchr): Take a new
6533         argument TYPE.  Adjust calls to fold_builtin_XXX.
6534         (expand_builtin, fold_builtin_1): Adjust calls to
6535         expand_builtin_XXX.
6536         (fold_builtin_strchr, fold_builtin_strpbrk,
6537         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
6538         result to a requested type TYPE.
6539
6540 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
6541
6542         PR middle-end/19857
6543         * fold-const.c (fold): Don't optimize (T)(x & cst) to
6544         (T)x & (T)cst if (T)cst overflows.
6545         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
6546         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
6547
6548 2005-02-15  Jeff Law  <law@redhat.com>
6549
6550         * gcse.c (blocks_with_calls): New bitmap.
6551         (alloc_gcse_mem): Allocate it.
6552         (free_gcse_mem): Free it.
6553         (clear_modifY_mem_tables): Clear it.
6554         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
6555         when we encounter CALL_INSNs.
6556         (compute_transp, case MEM): Handle blocks with calls separate
6557         from blocks without calls.  Use bitmap iterators rather than
6558         FOR_EACH_BB.
6559
6560 2005-02-15  Peter O'Gorman  <peter@pogma.com>
6561
6562         PR bootstrap/18810
6563         * mklibgcc.in (vis_hide): Use a temporary object file, not
6564         -o /dev/null.
6565
6566 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6567
6568         PR target/19924
6569         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
6570         access optimization.
6571
6572 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
6573             Alan Modra  <amodra@bigpond.net.au>
6574
6575         PR target/19019
6576         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
6577         (_xlqsub): Rename to __gcc_qsub.
6578         (_xlqmul): Rename to __gcc_qmul.
6579         (_xlqdiv): Rename to __gcc_qdiv.
6580         Provide versioned symbol aliases with old names.
6581         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
6582         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
6583         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
6584         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
6585         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
6586
6587 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6588
6589         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
6590         Fold ~(A - 1) and ~(A + -1) to -A.
6591
6592 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6593
6594         PR pch/14940
6595         PR target/19300
6596         * config/host-linux.c (linux_gt_pch_use_address): Copy from
6597         config/pa/pa-host.c:pa_gt_pch_use_address.
6598
6599 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
6600
6601         * tree-vn.c (get_value_handle): Make sure that given an
6602         is_gimple_min_invariant expression, we always return it.
6603
6604 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6605
6606         * passes.c (rest_of_handle_gcse): Fix a comment.
6607
6608 2005-02-15  Jeff Law  <law@redhat.com>
6609
6610         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
6611         bitmap.
6612         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
6613         (canon_list_insert, record_last_mem_set_info): Similarly.
6614         (clear_modify_mem_tables): Similarly.
6615
6616 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6617
6618         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
6619         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
6620         config/mips/mips.md, config/rs6000/aix.h,
6621         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
6622
6623 2005-02-15  Richard Henderson  <rth@redhat.com>
6624
6625         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
6626         call to be best_edge.
6627
6628 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6629
6630         * basic-block.h: Adjust the prototype for find_basic_blocks.
6631         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
6632         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
6633         find_basic_blocks.
6634
6635         * flow.c (recompute_reg_usage): Remove all arguments.
6636         * passes.c (rest_of_compilation): Adjust the call to
6637         recompute_reg_usage.
6638         * rtl.h: Adjust the prototype for recompute_reg_usage.
6639
6640 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
6641
6642         * tree-dump.c (dump_files): Update to reflect new member
6643         of dump_file_info.
6644         (dump_register): Add new argument.
6645         Set glob name.
6646         (dump_switch_p_1): Check against glob name if doglob was passed.
6647         (dump_switch_p): Check against regular first, then glob if
6648         we didn't have any hits on the dump name.
6649         * tree-optimize.c (register_one_dump_file):
6650         Pass in glob name as well.
6651         * tree-pass.h (struct dump_file_info): Add glob
6652         member.
6653
6654 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
6655
6656         PR preprocessor/16323
6657         * doc/invoke.texi: Document that -Wendif-labels is on by default.
6658
6659 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
6660
6661         PR target/19019
6662         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
6663         (trunctfdf2_internal1): New.
6664         (trunctfdf2_internal2): Renamed from trunctfdf2.
6665
6666 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
6667
6668         PR tree-optimization/19853
6669         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
6670
6671 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6672
6673         * passes.c (rest_of_handle_loop_optimize): Remove calls to
6674         delete_dead_jumptables and cleanup_cfg.
6675
6676 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
6677
6678         * reload.c (find_reloads): Swap address_reloaded flags when
6679         swapping commutative operands.
6680
6681 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
6682
6683         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
6684         Use standard_iv_increment_position for computing the bsi position
6685         for create_iv.
6686         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
6687         the bsi position.
6688
6689 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
6690
6691         PR target/17428
6692         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
6693         life range of hard registers.
6694         * value-prof.c (insn_prefetch_values_to_profile): Only
6695         scan normal insns.
6696
6697         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6698         profile in libcalls.
6699
6700 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6701
6702         * bitmap.h (bitmap_and_compl_into): Return bool.
6703         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6704
6705 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6706
6707         PR tree-optimization/19944
6708         * fold-const.c (fold): Re-add ABS_EXPR folding.
6709
6710 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6711
6712         PR target/19019
6713         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6714         {TARGET,MASK}_XL_COMPAT.
6715         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6716         MASK_XL_COMPAT.
6717         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6718         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6719         TARGET_XL_COMPAT.
6720         (rs6000_arg_partial_bytes): Same.
6721         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6722         and XL compatibility enabled.
6723         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6724         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6725         test to final condition.
6726         (cmptf_internal2): New.
6727         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6728         xl-compat.  Add TFmode information to description.
6729
6730 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6731
6732         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6733
6734 2005-02-13  Jason Merrill  <jason@redhat.com>
6735
6736         PR c++/16405
6737         * fold-const.c (fold_indirect_ref_1): Split out from...
6738         (build_fold_indirect_ref): Here.
6739         (fold_indirect_ref): New fn.
6740         * tree.h: Declare it.
6741         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6742         (gimplify_modify_expr_rhs): Likewise.
6743         (gimplify_expr): Likewise.
6744
6745 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6746
6747         PR tree-optimization/14303
6748         PR tree-optimization/15784
6749         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6750         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6751         ABS_EXPR<x> != 0 to x != 0.
6752
6753 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6754
6755         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6756         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6757         spelling conventions.
6758
6759         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6760         delete_trivially_dead_insns too many times.
6761
6762         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6763         tem and tem2.
6764
6765 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6766
6767         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6768         (vect_is_simple_iv_evolution): Remove redundant parameter
6769         and step check.
6770         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6771         without last parameter.
6772         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6773         Return pointer step. Call vect_is_simple_iv_evolution without
6774         last parameter. Check only that the step is multiple of size
6775         type. Remove stmt_vinfo updates.
6776         (vect_get_memtag_and_dr): Remove.
6777         (vect_get_memtag): New function.
6778         (vect_address_analysis): New function.
6779         (vect_object_analysis): New function.
6780         (vect_analyze_data_refs): Call vect_object_analysis and
6781         vect_get_memtag. Update stmt_vinfo fields.
6782
6783 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6784
6785         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6786         exist and are objects. Remove checks for pointer.
6787         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6788         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6789         (vect_create_data_ref_ptr): Likewise.
6790         (vect_base_addr_differ_p): New function.
6791         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6792         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6793         Don't set the DR_BASE_NAME field of data-ref.
6794         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6795
6796 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6797
6798         * optabs.h (enum optab_index): Add new OTI_ldexp.
6799         (ldexp_optab): Define corresponding macro.
6800         * optabs.c (init_optabs): Initialize ldexp_optab.
6801         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6802         patterns.
6803         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6804         using ldexp_optab.
6805         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6806         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6807
6808         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6809         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6810         intrinsics.
6811
6812 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6813
6814         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6815         to base_address.
6816         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6817         stmt_vec_info.
6818         (vect_get_base_and_offset): Always return an address.
6819         (vect_create_addr_base_for_vector_ref): Remove treatment for
6820         different data reference types.
6821         (vect_compute_data_ref_alignment): Rename base to base_address in
6822         stmt_vec_info. Get the object in order to force its alignment.
6823         (vect_get_memtag_and_dr): Rename base to base_address in
6824         stmt_vec_info. Extract the object for memtag analysis.
6825
6826 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6827
6828         PR regression/19898.
6829         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6830         changes cc_status, use apply modified_in_p to part of cc_status
6831         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6832         body.
6833
6834 2005-02-11  Richard Henderson  <rth@redhat.com>
6835
6836         * tree-complex.c (expand_complex_libcall): New.
6837         (expand_complex_multiplication): Use it for c99 compliance.
6838         (expand_complex_division): Likewise.
6839         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6840         (fold): Call them.
6841         * builtins.c (built_in_names): Remove const.
6842         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6843         builtins.
6844         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6845         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6846         (built_in_names): Remove const.
6847         * c-common.c (c_common_type_for_mode): Handle complex modes.
6848         * flags.h, toplev.c (flag_complex_method): Rename from
6849         flag_complex_divide_method.
6850         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6851         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6852         * libgcc2.h: Declare them.
6853         * libgcc-std.ver: Export them.
6854         * mklibgcc.in (lib2funcs): Build them.
6855
6856 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6857
6858         PR tree-optimization/19876
6859         Partially revert my change from 2005-01-14
6860         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6861         (compute_antic): ...and remove the loop here.
6862
6863 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6864
6865         PR middle-end/19858
6866         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6867         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6868
6869         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6870         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6871
6872 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6873
6874         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6875         offsets for the big-endian 32-bit case.
6876
6877 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6878
6879         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6880
6881 2005-02-11  Dale Johannesen  <dalej@apple.com>
6882
6883         * cselib.c (cselib_process_insn):  Clear out regs where
6884         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6885         * reload.c (find_equiv_reg): Ditto.
6886
6887 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6888
6889         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6890         with no elements.
6891
6892         * tree.c (build_function_type_list): Work correctly if there are
6893         no arguments.
6894
6895 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6896
6897         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6898         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6899         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6900         TARGET_ZARCH instead of TARGET_64BIT.
6901
6902 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6903
6904         * config/rs6000/t-rtems:
6905         (MULTILIB_OPTIONS): Remove mcpu=602.
6906         (MUTLILIB_DIRNAMES): Remove m602.
6907         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6908         Let mcpu=602 match mcpu=603.
6909         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6910
6911 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6912
6913         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6914         signal trampolines.
6915
6916 2005-02-10  David Daney  <ddaney@avtrex.com>
6917
6918         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6919         * config/i386/linux-unwind.h: Likewise.
6920         * config/ia64/linux-unwind.h: Likewise.
6921         * config/mips/linux-unwind.h: Likewise.
6922         * config/pa/linux-unwind.h: Likewise.
6923         * config/rs6000/linux-unwind.h: Likewise.
6924         * config/s390/linux-unwind.h: Likewise.
6925         * config/sh/linux-unwind.h: Likewise.
6926         * config/sparc/linux-unwind.h: Likewise.
6927
6928 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6929
6930         PR tree-optimization/17549
6931         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6932         TER to replace a DEF with its expression if the DEF and the
6933         rhs of the expression we replace into have the same root
6934         variable.
6935
6936 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6937
6938         * config/mips/mips.md: Fix the placement of the match_scratch in the
6939         lea64 peephole2.
6940
6941 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6942
6943         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6944         Fix comment typos.
6945
6946 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6947
6948         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6949         (strip_offset): Handle addresses.
6950         (add_address_candidates): Use strip_offset.
6951         (difference_cost): Reflect strip_offset change.
6952         (force_var_cost, difference_cost): Strip nops.
6953
6954 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6955
6956         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6957
6958         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6959         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6960         config/cris/cris-protos.h, config/cris/cris.c: Update
6961         copyright.
6962
6963 2005-02-10  Jeff Law  <law@redhat.com>
6964
6965         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6966         (lookup_avail_expr): Similarly.
6967
6968 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6969
6970         * builtins.c (fold_builtin_powi): New function.
6971         (fold_builtin_1): Call it.
6972
6973 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6974
6975         PR documentation/19309
6976         * doc/cpp.texi: The __GNUC__ and related predefined macros
6977         are also defined for the "standalone" cpp.
6978         Some non-GCC compilers may also define __GNUC__.
6979
6980 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6981
6982         PR c/19342
6983         * c-typeck.c (common_type): New routine.  Old common_type renamed
6984         to...
6985         (c_common_type): ...this.
6986         (build_conditional_expr, build_binary_op): Use c_common_type instead
6987         of common_type.
6988
6989 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6990
6991         * doc/md.texi: Replace @samp{length} with @code{length}.
6992
6993 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6994
6995         PR tree-optimization/18687
6996         * tree-flow.h (find_loop_niter): Declare.
6997         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6998         Try using scev even for loops with more than one exit.
6999         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
7000         (struct ivopts_data): Added niters field.
7001         (struct nfe_cache_elt): New.
7002         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
7003         functions.
7004         (tree_ssa_iv_optimize_init): Initialize niters cache.
7005         (determine_number_of_iterations): Removed.
7006         (find_induction_variables): Do not call determine_number_of_iterations.
7007         Access niters for single exit through niter_for_single_dom_exit.
7008         (add_iv_outer_candidates): Access niters for single exit through
7009         niter_for_single_dom_exit.
7010         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
7011         number_of_iterations_cond.
7012         (iv_period): New function.
7013         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
7014         (may_replace_final_value): Take data argument.  Use
7015         niter_for_single_dom_exit.
7016         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
7017         (rewrite_use_compare): Pass data to may_eliminate_iv.
7018         (rewrite_use_outer): Pass data to may_replace_final_value.
7019         (free_loop_data): Clean up the niters cache.
7020         (tree_ssa_iv_optimize_finalize): Free the niters cache.
7021         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
7022         * tree-ssa-loop-niter.c (find_loop_niter): New function.
7023         (find_loop_niter_by_eval): Use tree_int_cst_lt.
7024         (num_ending_zeros): Moved to tree.c.
7025         * tree.h (num_ending_zeros): Declare.
7026         * tree.c (num_ending_zeros): Moved from tree.c.
7027
7028 2005-02-09  Richard Henderson  <rth@redhat.com>
7029
7030         * builtins.c (DEF_BUILTIN): Add COND argument.
7031         * tree.h (DEF_BUILTIN): Likewise.
7032         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
7033         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
7034         match.
7035         (DEF_BUILTIN_STUB): New.
7036         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
7037         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
7038         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
7039         * c-common.c (DEF_BUILTIN): Add COND argument.
7040         * tree.c (local_define_builtin): New.
7041         (build_common_builtin_nodes): New.
7042
7043 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7044
7045         * fold-const.c (fold_strip_sign_ops): New function to simplify a
7046         floating point expression ignoring the sign of the result.
7047         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
7048         (fold) <MULT_EXPR>: Use it to simplify x*x.
7049         * tree.h (fold_strip_sign_ops): Prototype here.
7050         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
7051         argument.  Use fold_strip_sign_ops to simplify the first argument.
7052         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
7053         first argument when the second argument is an even integer
7054         constant, but only with -funsafe_math_optimizations.
7055         (fold_builtin_1): Update call to fold_builtin_copysign.
7056
7057 2005-02-09  Ian Lance Taylor  <ian@airs.com>
7058
7059         PR middle-end/19583
7060         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
7061         just check whether EH_FILTER_FAILURE falls through.
7062
7063 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
7064
7065         * gcc/haifa-sched.c (schedule_block): Make queued sched group
7066         insns return to ready list in the next turn.
7067
7068 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7069
7070         PR middle-end/19402
7071         * builtins.def: New __builtin_powi[lf].
7072         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
7073         (expand_builtin_powi): New function.
7074         (expand_builtin): Dispatch to expand_builtin_powi.
7075         * libgcc2.h: Add prototypes for __builtin_powi[lf].
7076         * libgcc2.c: Add __builtin_powi[lf] implementation.
7077         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
7078         * optabs.h: Add powi_optab.
7079         * optabs.c (init_optabs): Initialize powi_optab.
7080         * doc/extend.texi: Document __builtin_powi[lf].
7081
7082 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
7083
7084         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
7085         exists.
7086
7087 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
7088
7089         PR middle-end/19854
7090         * fold-const.c (try_move_mult_to_index): Remove redundant
7091         type argument.  Create ADDR_EXPR with correct type.
7092         (fold): Update callers of try_move_mult_to_index.  Convert
7093         result to the appropriate type.
7094
7095 2005-02-09  Roger Sayle  <roger@eyesopen.com>
7096
7097         PR target/19597
7098         * config/avr/avr.c (default_rtx_costs): Delete.
7099         (avr_operand_rtx_cost): New function.
7100         (avr_rtx_costs): Completely rewrite.
7101
7102 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
7103
7104         PR target/19806
7105         * config/cris/cris.c (in_code): New variable.
7106         (cris_output_addr_const): Now a static function, a wrapper for
7107         output_addr_const.
7108         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
7109         case from old cris_output_addr_const.
7110         (cris_asm_output_label_ref): Similar for LABEL_REF.
7111         (cris_output_addr_const_extra): Similar for UNSPEC.
7112         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
7113         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
7114         * config/cris/cris-protos.h (cris_output_addr_const): Remove
7115         declaration.
7116         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
7117         (cris_asm_output_label_ref): Declare.
7118
7119 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
7120
7121         PR preprocessor/19801
7122         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
7123         filenames that changed when libcpp was moved to the toplevel.
7124
7125 2005-02-07  Roger Sayle  <roger@eyesopen.com>
7126
7127         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7128         zero extensions of BImode operands.  Call lowpart_subreg instead
7129         of gen_lowpart_common and gen_lowpart_SUBREG.
7130
7131 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
7132
7133         PR ada/19489
7134         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
7135         * configure.ac: Set cc_for_cross_gnattools.
7136         * configure: Regenerate.
7137
7138 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
7139
7140         PR target/19803
7141         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
7142
7143 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7144
7145         PR debug/19327
7146         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
7147         of nested functions.
7148
7149 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
7150
7151         * doc/extend.texi: Document deprecated extensions allowing
7152         static floating-point members to have initializers and allowing
7153         floating-point literals in integral constant expressions.
7154
7155 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
7156
7157         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
7158         config/darwin7.h, config/mips/mips.c,
7159         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
7160         Update copyright.
7161
7162         * cse.c: Update comments.
7163
7164 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
7165
7166         PR middle-end/19775
7167         * builtins.c (fold_builtin_sqrt): Transform
7168         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
7169         pow(x,y*0.5).
7170
7171 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
7172             Dorit Naishlos  <dorit@il.ibm.com>
7173
7174         * doc/invoke.texi (ftree-vectorizer-verbose): New.
7175         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
7176         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
7177         was added.
7178         * tree.h (vect_set_verbosity_level): New extern function declaration
7179         added.
7180         * tree-vectorizer.h (verbosity_levels): New enum type.
7181         * tree-vectorizer.c (vect_debug_stats): Function removed.
7182         (vect_debug_details): Likewise.
7183         (vect_verbosity_level): Global variable was defined and initialized.
7184         (vect_dump): Global variable definition.
7185         (vect_print_dump_info): New function.
7186         (vect_set_dump_settings): New function.
7187         (vect_set_verbosity_level): New function.
7188         (vectorize_loops): Add call to vect_set_dump_settings.
7189
7190         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
7191         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7192         (slpeel_tree_peel_loop_to_edge): Likewise.
7193
7194         (vect_analyze_offset_expr): Call to vect_print_dump_info with
7195         appropriate verbosity level instead of call to vect_debug_details
7196         or vect_debug_stats.
7197         (vect_get_base_and_offset):
7198         (vect_create_addr_base_for_vector_ref):
7199         (get_vectype_for_scalar_type):
7200         (vect_create_data_ref_ptr):
7201         (vect_init_vector):
7202         (vect_get_vec_def_for_operand):
7203         (vect_finish_stmt_generation):
7204         (vectorizable_assignment):
7205         (vectorizable_operation):
7206         (vectorizable_store):
7207         (vectorizable_load):
7208         (vect_transform_stmt):
7209         (vect_update_ivs_after_vectorizer):
7210         (vect_do_peeling_for_loop_bound):
7211         (vect_update_inits_of_drs):
7212         (vect_do_peeling_for_alignment):
7213         (vect_transform_loop):
7214         (vect_is_simple_use):
7215         (vect_analyze_operations):
7216         (vect_is_simple_iv_evolution):
7217         (vect_analyze_scalar_cycles):
7218         (vect_analyze_data_ref_dependence):
7219         (vect_analyze_data_ref_dependences):
7220         (vect_compute_data_ref_alignment):
7221         (vect_enhance_data_refs_alignment):
7222         (vect_analyze_data_refs_alignment):
7223         (vect_analyze_data_ref_access):
7224         (vect_analyze_data_ref_accesses):
7225         (vect_analyze_pointer_ref_access):
7226         (vect_get_memtag_and_dr):
7227         (vect_analyze_data_refs):
7228         (vect_mark_relevant):
7229         (vect_stmt_relevant_p):
7230         (vect_mark_stmts_to_be_vectorized):
7231         (vect_can_advance_ivs_p):
7232         (vect_get_loop_niters):
7233         (vect_analyze_loop_form):
7234         (vect_analyze_loop):
7235         (vectorize_loops): Likewise.
7236
7237         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
7238         (vect_update_inits_of_drs):
7239         (vect_do_peeling_for_alignment):
7240         (vect_transform_loop):
7241         (vect_analyze_operations):
7242         (vect_analyze_scalar_cycles):
7243         (vect_analyze_data_ref_dependences):
7244         (vect_analyze_data_refs_alignment):
7245         (vect_analyze_data_ref_accesses):
7246         (vect_analyze_data_refs):
7247         (vect_mark_stmts_to_be_vectorized):
7248         (vect_get_loop_niters):
7249         (vect_analyze_loop_form):
7250         (vect_analyze_loop): Likewise.
7251         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
7252
7253 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
7254
7255         PR bootstrap/19796
7256         Revert:
7257         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7258         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7259         either -ffast-math or -funsafe-math-optimizations is in use.
7260
7261         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
7262         * config/mips/irix-csr.c: New file.
7263         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
7264         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
7265         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
7266         executables.
7267
7268 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
7269
7270         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
7271         redundant, incorrect definitions.
7272
7273         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
7274         expand.
7275         ("*tls_indirect_call"): New, reference hard regs directly.
7276         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
7277
7278 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7279
7280         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
7281         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
7282
7283 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7284
7285         PR rtl-optimization/19800
7286         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
7287         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
7288         gen_lowpart.
7289
7290 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
7291
7292         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
7293
7294 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
7295
7296         PR other/17135
7297         * doc/invoke.texi: Correct documentation of -freorder-functions.
7298
7299 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7300
7301         PR other/14402
7302         * doc/invoke.texi: Don't mention gccbug.
7303
7304 2005-02-06  Roger Sayle  <roger@eyesopen.com>
7305             Andrew Pinski  <pinskia@physics.uc.edu>
7306             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
7307
7308         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7309         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
7310         into just (zero_extract:SI FOO (const_int 1) BAR).
7311
7312 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7313
7314         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
7315         macro locally.  Don't give last revision date.  Use GCC version
7316         number from gcc-common.texi.
7317         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
7318         revision date.  Use GCC version number from gcc-common.texi.
7319         Describe being a library as current state rather than as 3.x
7320         history.
7321         * doc/gcc.texi: Remove last update date.
7322         * doc/gccint.texi: Likewise.  Update copyright dates.
7323         * doc/install.texi: Update copyright dates.
7324
7325 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
7326
7327         PR other/7549
7328         * doc/invoke.texi: Mention for each option included in -Wall that
7329         it is included in -Wall.
7330         * doc/gcc.texi: Update copyright and last modification date.
7331
7332 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7333
7334         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
7335         unnecessary cast to original induction variable increments.
7336
7337 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7338
7339         PR tree-optimization/18219
7340         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
7341         in distributed form.
7342
7343 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
7344
7345         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
7346         Set bitpos and offset later in the function.  Do nothing if the
7347         target is a register and if the bitfield lies completely outside
7348         that register.
7349         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
7350         here.  Return an uninitialised register if the source value is stored
7351         in a register and the bitfield lies completely outside that register.
7352
7353 2005-02-06  Steven Bosscher  <stevenb@suse.de>
7354
7355         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
7356         not SET_DEST.
7357
7358 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
7359
7360         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
7361
7362 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
7363
7364         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
7365         * config/darwin8.h: New.
7366         * config/darwin7.h: Update comment.
7367
7368 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7369             Dorit Naishlos  <dorit@il.ibm.com>
7370
7371         * tree-vectorizer.h (LOC): New type.
7372         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
7373         (loop_line_number): New field in struct _loop_vec_info.
7374         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
7375
7376         * tree-vectorizer.c (input.h): Included.
7377         (find_loop_location): New function.
7378         (vect_debug_stats): Argument changed from loop to LOC. Computation of
7379         loop line number removed.
7380         (vect_debug_details): Likewise.
7381         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
7382
7383         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
7384         call to vect_debug_details/stats changed from loop to loop_loc.
7385         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7386         (slpeel_tree_peel_loop_to_edge): Likewise.
7387
7388         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
7389         changed from NULL to UNKNOWN_LOC.
7390         (vect_get_base_and_offset):
7391         (vect_create_addr_base_for_vector_ref):
7392         (get_vectype_for_scalar_type):
7393         (vect_create_data_ref_ptr):
7394         (vect_init_vector):
7395         (vect_get_vec_def_for_operand):
7396         (vect_finish_stmt_generation):
7397         (vectorizable_assignment):
7398         (vectorizable_operation):
7399         (vectorizable_store):
7400         (vectorizable_load):
7401         (vect_transform_stmt):
7402         (vect_update_ivs_after_vectorizer):
7403         (vect_do_peeling_for_loop_bound):
7404         (vect_do_peeling_for_alignment):
7405         (vect_transform_loop):
7406         (vect_is_simple_use):
7407         (vect_analyze_operations):
7408         (vect_is_simple_iv_evolution):
7409         (vect_analyze_scalar_cycles):
7410         (vect_analyze_data_ref_dependences):
7411         (vect_compute_data_ref_alignment):
7412         (vect_enhance_data_refs_alignment):
7413         (vect_analyze_data_ref_access):
7414         (vect_analyze_data_ref_accesses):
7415         (vect_analyze_pointer_ref_access):
7416         (vect_get_memtag_and_dr):
7417         (vect_analyze_data_refs):
7418         (vect_mark_relevant):
7419         (vect_stmt_relevant_p):
7420         (vect_mark_stmts_to_be_vectorized):
7421         (vect_can_advance_ivs_p):
7422         (vect_get_loop_niters):
7423         (vect_analyze_loop):
7424         (vectorize_loops): Likewise.
7425
7426         (vectorizable_load): Argument in call to vect_debug_details/stats
7427         changed from loop to LOOP_LOC (loop_vinfo).
7428         (vect_transform_loop):
7429         (vect_analyze_operations):
7430         (vect_analyze_scalar_cycles):
7431         (vect_analyze_data_ref_dependence):
7432         (vect_enhance_data_refs_alignment):
7433         (vect_analyze_data_ref_accesses):
7434         (vect_analyze_pointer_ref_access):
7435         (vect_analyze_data_refs):
7436         (vect_analyze_loop): Likewise.
7437
7438         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
7439         changed from loop to loop_loc.
7440
7441         (vect_enhance_data_refs_alignment): Removed unused variable loop.
7442
7443 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7444             Dorit Naishlos  <dorit@il.ibm.com>
7445
7446         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
7447         declaration added.
7448         (vect_analyze_data_ref_dependences): Likewise.
7449
7450         (vect_is_simple_use): Argument changed from loop structure to
7451         loop_vect_info structure.
7452         (vect_can_advance_ivs_p): Likewise.
7453         (vect_create_index_for_vector_ref): Likewise.
7454         (vect_update_ivs_after_vectorizer): Likewise.
7455         (new_stmt_vec_info): Likewise.
7456
7457         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
7458         changed from loop to loop_vinfo.
7459         (vect_create_data_ref_ptr): First argument in call to
7460         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
7461         (vectorizable_assignment): Second argument in call to vect_is_simple_use
7462         was changed from loop to loop_vinfo.
7463         (vectorizable_operation): Likewise.
7464         (vectorizable_store): Likewise.
7465         (vect_mark_stmts_to_be_vectorized): Likewise.
7466         (vect_do_peeling_for_loop_bound): First argument in call to
7467         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
7468         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
7469         was changed from loop to loop_vinfo.
7470         (vect_analyze_data_ref_dependences): Third argument in call to
7471         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
7472
7473         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
7474         (vect_create_data_ref_ptr): Likewise.
7475         (vect_init_vector): Likewise.
7476         (vect_get_vec_def_for_operand): Likewise.
7477         (vectorizable_assignment): Likewise.
7478         (vectorizable_operation): Likewise.
7479         (vectorizable_store): Likewise.
7480         (vectorizable_load): Likewise.
7481         (vect_update_ivs_after_vectorizer): Likewise.
7482         (vect_is_simple_use): Likewise.
7483         (vect_analyze_data_ref_dependence): Likewise.
7484         (vect_analyze_pointer_ref_access): Likewise.
7485         (vect_can_advance_ivs_p): Likewise.
7486
7487         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
7488         before _stmt_vec_info.
7489         (_stmt_vec_info): Loop field replaced by loop_vec_info.
7490         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
7491         (new_stmt_vec_info): Argument changed from loop structure to
7492         loop_vect_info structure
7493
7494         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
7495         (vect_analyze_offset_expr): Avoid 80 columns overflow.
7496         (vect_create_addr_base_for_vector_ref): Likewise.
7497         (vect_analyze_pointer_ref_access): Likewise.
7498
7499 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7500
7501         PR tree-opt/19768
7502         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
7503         phi flag if the phi is abnormal.
7504
7505 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7506
7507         PR tree-opt/19736
7508         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
7509         information for the new statement.
7510
7511 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7512
7513         PR driver/19117
7514         * gcc.c (main): Include the target in -v output.
7515
7516 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
7517
7518         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
7519         Do not drop the extend if we'd have to add a paradoxical subreg
7520         later.  Include optabs.h and insn-codes.h.
7521         * Makefile.in (combine.o): Depend on $(OPTABS_H).
7522
7523 2005-02-02  Roger Sayle  <roger@eyesopen.com>
7524
7525         PR middle-end/19405
7526         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
7527         * fold-const.c (const_binop): Avoid constant folding floating
7528         point operations in modes that use composite representations.
7529         * simplify-rtx.c (simplify_binary_operation): Likewise.
7530
7531 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
7532
7533         * config/rs6000/altivec.md (altivec_dst): Make the first operand
7534         a REG, not a MEM.
7535         (altivec_dstt): Likewise.
7536         (altivec_dstst): Likewise.
7537         (altivec_dststt): Likewise.
7538         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
7539         of first operand.
7540
7541 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7542
7543         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
7544         EXPR_LOCUS from orig_cond to the new cond_stmt.
7545         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
7546         the new vec_stmt.
7547
7548 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7549
7550         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
7551         standard_iv_increment_position. Remove call to bsi_next
7552         (no need to bump the iterator anymore).
7553         (vect_create_index_for_vector_ref): Call
7554         standard_iv_increment_position. Remove second function argument.
7555         (vect_finish_stmt_generation): Remove call to bsi_next
7556         (no need to bump the iterator anymore).
7557         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
7558         to vect_create_index_for_vector_ref.
7559
7560 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7561
7562         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
7563         phis are used out of the loop.
7564
7565 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7566
7567         PR c/17807
7568         * c-decl.c (undef_nested_function): New variable.
7569         (pop_scope): Diagnose undefined nested functions.
7570         (finish_function): Don't attempt cgraph processing or genericizing
7571         if current top-level function contained an undefined nested
7572         function.  Reset undef_nested_function at the end of a top-level
7573         function.
7574
7575 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
7576
7577         * tree.c (build_int_cst_type): Take sign of the value into account
7578         when deciding whether sign extend the value.
7579
7580 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7581
7582         PR c/18502
7583         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
7584         (cpp_options, cc1_options): Change %{std*&ansi} to
7585         %{std*&ansi&trigraphs}.
7586
7587 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7588
7589         * cse.c: Update comments.
7590
7591 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
7592
7593         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
7594         arguments go on the stack.  Do not put complex doubles in odd/even
7595         pairs.
7596
7597 2005-02-02  Steven Bosscher  <stevenb@suse.de>
7598
7599         * doc/invoke.texi: Update the options enabled at -O1, -O2,
7600         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
7601         -ftree-pre, and -fthread-jumps.
7602
7603 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
7604
7605         PR tree-optimization/19578
7606         * tree-flow.h (modified_noreturn_calls): Declare.
7607         (noreturn_call_p): Declare.
7608         * tree-flow-inline.h (noreturn_call_p): New function.
7609         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
7610         * tree-cfg.c (modified_noreturn_calls): New variable.
7611         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
7612         that contain a mid-block noreturn call.
7613         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
7614
7615 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7616
7617         * df.c (df_def_record_1, df_uses_record): Don't use
7618         DF_FOR_REGALLOC.
7619         * df.h (DF_FOR_REGALLOC): Remove.
7620
7621 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7622
7623         PR c/19435
7624         * c-typeck.c (really_start_incremental_init): Reset
7625         constructor_max_index for arrays of incomplete type.
7626
7627 2005-02-02  Jeff Law  <law@redhat.com>
7628
7629         * gcse.c (struct reg_set): Store the block index where the register
7630         was set rather than the setting insn.
7631         (record_one_set, compute_transp): Corresponding changes.
7632         (pre_insert_copy_insn): Do not call replace_one_set.
7633         (replace_one_set): Remove.
7634
7635 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7636
7637         PR other/15514
7638         * doc/gcov.texi: Fix typo.
7639
7640 2005-02-01  Richard Henderson  <rth@redhat.com
7641
7642         PR target/19680
7643         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
7644         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
7645         type to bool.
7646         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
7647         * config/i386/i386-protos.h: Update.
7648
7649 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7650
7651         PR tree-optimization/19217
7652         * tree-cfg.c (verify_expr): Use the data field to see if TP was
7653         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
7654         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
7655         that it is walking a PHI node.
7656
7657 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
7658
7659         * doc/extend.texi (Nested Functions): Update.
7660
7661 2005-02-01  Richard Henderson  <rth@redhat.com>
7662
7663         PR 19696
7664         * optabs.c (expand_copysign_absneg): Export.
7665         * optabs.h (expand_copysign_absneg): Declare.
7666         * config/rs6000/rs6000.md (copysigntf3): New.
7667
7668 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7669
7670         PR tree-optimization/19633
7671         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
7672         * tree-ssa-alias.c (init_alias_info): Initialize.
7673         (merge_pointed_to_info): Set.
7674         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
7675         (dump_points_to_info_for): Show value of pt_null.
7676         (struct count_ptr_d): Declare.
7677         (find_ptr_dereference): Remove.
7678         (ptr_is_dereferenced_by): Remove.
7679         (count_ptr_derefs): New local function.
7680         (count_uses_and_derefs): New local function.
7681         (compute_points_to_and_addr_escape): Call it.  If the number
7682         of dereferences is greater than zero, mark the pointer as
7683         dereferenced.  If there are fewer dereferences than uses of
7684         the pointer, the pointer's value escapes.
7685
7686 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7687
7688         PR tree-optimization/19670
7689         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
7690         here...
7691         (verify_use): ... set it here, instead.
7692
7693 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
7694
7695         * doc/sourcebuild.texi (Test directives): Fix formatting.
7696
7697         * doc/sourcebuild.texi (Test directives): Describe selector
7698         expressions.
7699
7700 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7701
7702         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7703         specific 64-bit CPUs.
7704
7705 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7706
7707         PR target/16201
7708         * arm.c (arm_eliminable_register): New function.
7709         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7710         HOST_WIDE_INT for address offsets.
7711         * arm-protos.h (arm_eliminable_register): Add prototype.
7712
7713 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7714
7715         PR optimization/15242
7716         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7717         * basic-block.h (duplicate_computed_gotos): Add prototype.
7718         * bb-reorder.c (duplicate_computed_gotos): New function to
7719         duplicate sufficiently small blocks ending in a computed jump.
7720         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7721         if not optimizing for size.
7722         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7723         never do tail merging for blocks ending in a computed jump.
7724         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7725
7726 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7727
7728         Patch from Richard Sandiford <rsandifo@redhat.com>
7729         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7730         from inheriting a subreg equivalence with a non-spill register.
7731
7732         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7733
7734 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7735
7736         * config/frv/frv.c (movcc_fp_destination_operand): New.
7737         (gpr_or_memory_operand): Fix typo in comment.
7738         (gpr_or_memory_operand_with_scratch): New.
7739         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7740         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7741         movcc_fp_destination_operand.
7742         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7743         Legitimize memory addresses using a scratch register.
7744
7745 2005-01-31  Jeff Law  <law@redhat.com>
7746
7747         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7748         bitmap a sparse bitmap instead of a simple bitmap.
7749         (mark_def_sites_initialize_block):  Corresponding changes.
7750         (ssa_mark_def_sites_initialize_block): Likewise.
7751         (ssa_mark_phi_uses): Likewise.
7752         (mark_def_site, ssa_mark_def_sites): Likewise.
7753         (mark_def_site_blocks): Likewise.
7754         (rewrite_ssa_into_ssa): Likewise.
7755
7756         * tree-ssa-dom.c (record_cond): Pass correct variable type
7757         for last argument to htab_find_slot_with_hash.
7758
7759         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7760         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7761
7762 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7763
7764         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7765         1_mmalua.
7766
7767 2005-02-01  Eric Christopher  <echristo@redhat.com>
7768
7769         * config/mips/mips.c (override_options): Warn if -mint64
7770         is used.
7771         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7772         deprecated.
7773
7774 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7775
7776         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7777         timestamp.
7778         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7779         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7780         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7781         (cached_regno): Initialize to INVALID_REGNUM.
7782         (cse_reg_info_table_size,
7783         cse_reg_info_table_first_uninitialized,
7784         cse_reg_info_timestamp): New.
7785         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7786         get_cse_reg_info.
7787         (init_cse_reg_info, get_cse_reg_info_1): New.
7788         (get_cse_reg_info): Cache the last look-up.
7789         (new_basic_block): Update the code to clear mappings from
7790         registers to cse_reg_info entries.
7791         (cse_main): Call init_cse_reg_info.
7792
7793         * cse.c (get_cse_reg_info): Update a comment.
7794
7795 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7796
7797         PR c/19333
7798         * c-decl.c (start_decl): Do not warn about arrays of elements with
7799         an incomplete type here.
7800         (grokdeclarator): Do it here by making a pedwarn an error.
7801         * c-typeck.c (push_init_level): If there were previous errors with
7802         the constructor type, do not warn about braces for initializers.
7803         (process_init_element): Likewise for excess initializer elements.
7804
7805 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7806
7807         * cse.c (delete_trivially_dead_insn): Don't iterate.
7808
7809 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7810
7811         * config/rs6000/rs6000.md (copysignsf3): New expand.
7812         (copysigndf3): Likewise.
7813
7814 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7815
7816         * recog.c (constrain_operands): Only look for earlyclobber operand
7817         conflicts if an '&' constraint was seen.
7818
7819 2005-01-31  Marc Espie <espie@openbsd.org>
7820
7821         * config.gcc: Don't include embedded systems fragment, switches default
7822         debugging format to ELF.
7823         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7824         longer pick it up there.
7825
7826 2005-01-31  Dale Johannesen  <dalej@apple.com>
7827
7828         * doc/extend.texi (nested functions): Fix linkage description.
7829         Clarify that static is not allowed.
7830
7831 2005-01-31  Dale Johannesen  <dalej@apple.com>
7832
7833         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7834         (movdf_low_di):  Make work.
7835
7836 2005-01-31  Dale Johannesen  <dalej@apple.com>
7837
7838         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7839         Make work for 64 bit.
7840
7841 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7842             Dale Johannesen  <dalej@apple.com>
7843
7844         PR middle-end/19650
7845         * fold-const.c (fold_binary_op_with_conditional_arg):
7846         Make types match original operands, before STRIP_NOPS.
7847
7848 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7849
7850         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7851         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7852         (struct gcc_sigcontext): Delete.  Merge contents to..
7853         (struct gcc_ucontext): ..here.
7854         (get_sigcontext): Delete.
7855         (get_regs): New function, like get_sigcontext but return regs ptr.
7856         64-bit version finds regs from r1 to support vdso.
7857         (ppc_linux_aux_vector): New function.
7858         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7859         and vector regs.
7860
7861 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7862
7863         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7864         sizetype.
7865         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7866         redundant fold. Fix misalignment for MINUS_EXPR.
7867         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7868         (vect_analyze_pointer_ref_access): Likewise.
7869         (vect_get_memtag_and_dr): Likewise.
7870
7871 2005-01-31  Richard Henderson  <rth@redhat.com>
7872
7873         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7874         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7875         absnegdf2_i387, absnegxf2_i387): Likewise.
7876
7877 2005-01-31  Richard Henderson  <rth@redhat.com>
7878
7879         PR 19696
7880         * optabs.c (expand_copysign_absneg): New.
7881         (expand_copysign_bit): Split out from ...
7882         (expand_copysign): ... here.  Use expand_copysign_absneg.
7883
7884 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7885
7886         PR middle-end/19697
7887         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7888         constant as the second operand and a register as the third.
7889
7890 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7891
7892         PR target/19704
7893         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7894         that dllimport'd functions do not use all call-clobbered registers
7895         to pass parameters.
7896
7897 2005-01-30  Richard Henderson  <rth@redhat.com>
7898
7899         PR 19696
7900         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7901         expand_abs_nojump and generalize.  Use operand_subword and
7902         emit_no_conflict_block.  Support large modes.
7903         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7904         back to maximum.
7905         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7906         negation to subtraction.
7907         (expand_copysign): Check that the format has signed zeros.
7908         Use operand_subword and emit_no_conflict_block.  Support large modes.
7909
7910 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7911
7912         Fix PR tree-optimization/19624
7913
7914         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7915         * tree-ssa-pre.c: Add cfgloop.h.
7916         Update comment.
7917         (pre_stats): New member, constified.
7918         (inserted_exprs): New static variable.
7919         (NECESSARY): New macro.
7920         (create_expression_by_pieces): Fold the expression, and
7921         mark it as defaulting to not necessary. Also put in
7922         inserted_exprs.
7923         (fully_constant_expression): New function.
7924         (insert_into_preds_of_block): Modify to not insert phis when we
7925         are playing with induction variables.
7926         Push phis onto the inserted_exprs vector, and mark them as not
7927         necessary by default.
7928         (insert_aux): Call fully_constant_expression on eprime.
7929         If all edges produce the same value, mark it constant.
7930         (mark_operand_necessary): New function.
7931         (remove_dead_inserted_code): New function.
7932         (init_pre): Init loop optimizer to get loop info.
7933         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7934         (execute_pre): Commit edge inserts, then remove dead code.
7935
7936 2005-01-30  Richard Henderson  <rth@redhat.com>
7937
7938         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7939         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7940
7941 2005-01-30  Richard Henderson  <rth@redhat.com>
7942
7943         PR target/19700
7944         * config/i386/i386.c (ix86_expand_copysign): New.
7945         (ix86_split_copysign_const): New.
7946         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7947         rearrange op1/nmask operands.
7948         * config/i386/i386-protos.h: Update.
7949         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7950         (copysigndf3): Likewise.
7951         (copysignsf3_const, copysigndf3_const): New.
7952         (copysignsf3_var): Rename from copysignsf3, split out splitter
7953         and fix split predicate for X constraint.
7954         (copysigndf3_var): Similarly.
7955
7956 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7957
7958         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7959         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7960         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7961
7962 2005-01-29  Richard Henderson  <rth@redhat.com>
7963
7964         PR target/19690
7965         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7966         of # and * in constraints.
7967
7968 2005-01-29  Richard Henderson  <rth@redhat.com>
7969
7970         PR middle-end/19689
7971         * expr.c (store_field): Don't strip sub-mode cast when the input
7972         data is even smaller.
7973
7974 2005-01-29  Richard Henderson  <rth@redhat.com>
7975
7976         PR middle-end/19687
7977         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7978         union being empty.
7979
7980 2005-01-29  Richard Henderson  <rth@redhat.com>
7981
7982         * combine.c (make_field_assignment): Fix argument order
7983         to gen_int_mode.
7984
7985 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7986
7987         PR tree-optimization/15791
7988         * fold-const.c (extract_array_ref): New function.
7989         (fold): Fold comparisons between &a[i] and &a[j] or
7990         semantically equivalent trees.
7991
7992 2005-01-29  Jeff Law  <law@redhat.com>
7993
7994         * gcse.c (insert_expr_in_table): Revamp handling of available
7995         and anticipatable occurrence lists to avoid unnecessary list
7996         walking.
7997         (insert_set_in_table): Similarly.
7998
7999 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
8000
8001         * c-common.c (fix_string_type): Just use c_build_qualified_type to
8002         build string type.
8003         (c_build_qualified_type): Build qualified array types with
8004         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
8005         * c-decl.c (c_make_fname_decl): Build unqualified array type
8006         before qualified type.
8007         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
8008         type is qualified, not just if type itself is.  Don't apply
8009         qualifiers to array type when declarator is processed.  Apply
8010         qualifiers to field type whether or not it is an array type.
8011         Don't handle array types specially for applying qualifiers to
8012         variables.
8013         * c-typeck.c (composite_type): Build unqualified element type and
8014         array type when forming composite of array types.
8015         (common_pointer_type, comptypes, comp_target_types,
8016         type_lists_compatible_p, build_indirect_ref, build_array_ref,
8017         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
8018         types.
8019         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
8020         (args2) in variables a1 and a2.
8021
8022 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
8023
8024         * cse.c (n_elements_made, max_elements_made): Remove.
8025         (insert): Don't touch n_elements_made.
8026         (cse_main): Don't touch n_elements_made or max_elements_made.
8027
8028 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
8029
8030         PR target/15384
8031         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
8032         configuration part of dp-bit.c to be lost.
8033
8034 2005-01-28  Roger Sayle  <roger@eyesopen.com>
8035
8036         * expmed.c (expand_mult_highpart_optab): When attempting to use
8037         a non-widening multiplication in a wider mode, the operands need
8038         to be converted (zero or sign extended) to that mode.
8039
8040 2005-01-28  Ian Lance Taylor  <ian@airs.com>
8041
8042         PR middle-end/16558
8043         PR middle-end/19583
8044         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
8045         through if both operands fall through.
8046
8047 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8048
8049         * cse.c (fold_rtx) <PC>: Don't optimize.
8050
8051 2005-01-28  Jeff Law  <law@redhat.com>
8052
8053         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
8054         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
8055
8056 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
8057
8058         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
8059         cse_reg_info_used_list_end): Remove.
8060         (cse_reg_info_list, cse_reg_info_list_free): New.
8061         (get_cse_reg_info): When allocating an instance of
8062         cse_reg_info, add it to the beginning of the cse_reg_info_list
8063         list.  Remove code to maintain cse_reg_info_used_list.
8064         (new_basic_block): Reset the free list to the beginning of
8065         cse_reg_info_list.
8066
8067 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
8068
8069         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
8070         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
8071         (frv_expand_mdpackh_builtin): New function.
8072         (frv_expand_builtin): Use it to expand __MDPACKH.
8073         * doc/extend.texi (__MDPACKH): Update documentation.
8074
8075 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
8076
8077         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
8078         SSE_FLOAT_MODE_P for use_sse computation.
8079
8080 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
8081
8082         PR target/19663
8083         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
8084
8085 2005-01-27  Richard Henderson  <rth@redhat.com>
8086
8087         * builtins.c (expand_builtin_copysign): New.
8088         (expand_builtin): Call it.
8089         * genopinit.c (optabs): Add copysign_optab.
8090         * optabs.c (init_optabs): Initialize it.
8091         (expand_copysign): New.
8092         * optabs.h (OTI_copysign, copysign_optab): New.
8093         (expand_copysign): Declare.
8094
8095         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
8096         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
8097
8098         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
8099         (ix86_expand_fp_absneg_operator): ... here.
8100         (ix86_split_copysign): New.
8101         * config/i386/i386-protos.h: Update.
8102         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
8103         (copysignsf3, copysigndf3): New.
8104
8105         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
8106         (copysignsf3, ncopysignsf3): New.
8107         (copysigndf3, ncopysigndf3): New.
8108         (copysignxf3, ncopysignxf3): New.
8109         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
8110
8111 2005-01-27  Arend Bayer  <arend.bayer@web.de>
8112             Kazu Hirata  <kazu@cs.umass.edu>
8113
8114         * cse.c: (find_best_addr): Don't call copy_rtx before calling
8115         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
8116         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
8117         NULL_RTX.
8118
8119 2005-01-27  Jeff Law  <law@redhat.com>
8120
8121         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
8122         definitions of SSA_NAMEs which are not being rewritten.
8123         (rewrite_ssa_into_ssa): Only initialize the current definition
8124         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
8125         If checking is enabled, assert that SSA_NAME_AUX is clear for all
8126         SSA_NAMEs before returning.
8127
8128 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
8129
8130         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
8131         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
8132         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
8133         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
8134         config/mips/iris6.h, config/sh/sh.c: Update copyright.
8135
8136 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8137
8138         PR middle-end/17278
8139         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
8140         higher to -O2 and higher.  Likewise for tree PRE.
8141         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
8142         and better.
8143
8144 2005-01-27  Ian Lance Taylor  <ian@airs.com>
8145
8146         PR middle-end/19583
8147         * gimple-low.c (try_catch_may_fallthru): New static function.
8148         (block_may_fallthru): Handle TRY_CATCH_EXPR.
8149         * tree-inline.c (expand_call_inline): Don't warn about reaching
8150         the end of a non-void function being inlined if the function uses
8151         a return slot.
8152
8153 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
8154
8155         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
8156
8157         PR c/18946
8158         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
8159         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
8160         (implicitly_declare): Handle error_mark_node.
8161
8162 2005-01-27  Richard Henderson  <rth@redhat.com>
8163
8164         PR tree-opt/14329
8165         * tree.h (struct tree_decl): Add debug_expr_is_from.
8166         (DECL_DEBUG_EXPR_IS_FROM): New.
8167         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
8168         * dwarf2out.c (dwarf2out_var_location): Update to match.
8169         * tree-outof-ssa.c (create_temp): Likewise.
8170         * var-tracking.c (track_expr_p): Likewise.
8171         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
8172         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
8173         * toplev.c (default_tree_printer): Likewise.
8174
8175 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
8176
8177         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
8178         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
8179
8180 2005-01-27  Steven Bosscher  <stevenb@suse.de>
8181
8182         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
8183         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
8184         ASM_CLOBBERS): Add tree checks.
8185
8186         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
8187         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
8188         * c-common.def (SWITCH_STMT): Update to match.
8189         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
8190         macros instead of SWITCH_EXPR ones.
8191         * c-dump.c (c_dump_tree): Likewise.
8192         * c-gimplify.c (gimplify_switch_stmt): Likewise.
8193         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
8194
8195         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
8196
8197 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
8198
8199         * unwind-dw2.c (execute_stack_op): Add missing cases for
8200         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
8201
8202 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
8203
8204         * config.gcc (Obsolete configurations): Remove 'dummy', add
8205         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
8206         sparc-*-openbsd*.
8207
8208 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
8209
8210         PR tree-optimization/19633
8211         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
8212         CALL_EXPRs.
8213         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
8214         are no call-clobbered variables.
8215         * tree-outof-ssa.c (check_replaceable): Return false for calls
8216         with side-effects.
8217
8218 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
8219
8220         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
8221         even for variables with NULL DECL_INITIAL.
8222
8223 2005-01-26  Stuart Hastings  <stuart@apple.com>
8224
8225         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
8226
8227 2005-01-26  Richard Henderson  <rth@redhat.com>
8228
8229         PR middle-end/18008
8230         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8231         field's type.
8232         * expr.c (store_field): Strip conversions to odd-bit-sized types
8233         if the destination field width matches.
8234
8235 2005-01-26  Richard Henderson  <rth@redhat.com>
8236
8237         * c-decl.c, expmed.c, expr.c: Revert last change.
8238
8239 2005-01-26  Richard Henderson  <rth@redhat.com>
8240
8241         PR middle-end/18008
8242         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
8243         field's type.
8244         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
8245         if we don't need the bits above those present in the current mode.
8246         * expr.c (store_field): Strip conversions to odd-bit-sized types
8247         if the destination field width matches.
8248
8249 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8250
8251         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8252         either -ffast-math or -funsafe-math-optimizations is in use.
8253
8254 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8255
8256         PR target/19293
8257         PR target/19329
8258         * config/avr/avr.c (notice_update_cc): Only set condition code for
8259         ashrqi3 if shift count > 0.
8260         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
8261         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
8262         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
8263         count <= 0 as a no-op, and shift count >= width by copying zero
8264         or sign bit to all bits of the result.
8265         * config/avr/avr.md (all shifts): Add alternatives for zero shift
8266         count, with attribute "length" set to 0 and "cc" set to "none".
8267
8268 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8269
8270         * doc/invoke.texi: Document -mTLS.
8271
8272         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
8273         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
8274         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
8275         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
8276         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
8277         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
8278         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
8279         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
8280
8281         * configure.ac: Check for a TLS capable gas.
8282
8283         * configure: Regenerate.
8284
8285 2005-01-26  Richard Henderson  <rth@redhat.com>
8286
8287         PR middle-end/18008
8288         * combine.c (make_field_assignment): Simplify store to zero_extract
8289         from a source with an overlapping mask.
8290
8291 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
8292
8293         2004-11-11  Eric Christopher  <echristo@redhat.com>
8294
8295         * config/frv/frv.md: Add fr400_integer automaton. Don't
8296         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
8297         to TYPE_MACC.
8298
8299 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8300
8301         PR middle-end/16585
8302         * cfgbuild.c (make_edges): Do not clear or set
8303         current_function_has_computed_jump.
8304         * function.h (struct function): Remove the has_computed_jump field.
8305         (current_function_has_computed_jump): Do not define.
8306         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
8307         in a computed jump.  Ignore current_function_has_computed_jump.
8308
8309 2005-01-26  Richard Henderson  <rth@redhat.com>
8310
8311         PR middle-end/19515
8312         * expr.c (categorize_ctor_elements): New argument p_must_clear.
8313         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
8314         fully initialized.
8315         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
8316         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
8317         objects into static storage if they have more than one non-zero value.
8318         * tree.h (categorize_ctor_elements): Update decl.
8319
8320 2005-01-26  Steven Bosscher  <stevenb@suse.de>
8321
8322         PR middle-end/19616
8323         * tree.h (CALL_EXPR_TAILCALL): Add comment.
8324         * calls.c (check_sibcall_argument_overlap_1): Revert the change
8325         to this function from 2004-07-10.
8326         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
8327         the current function for tail call optimizations if the address
8328         of one of it its arguments is taken.
8329
8330 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
8331
8332         * cse.c (fold_rtx): Call equiv_constant only when necessary.
8333
8334 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8335
8336         * function.c (expand_function_end): If current_function_calls_alloca,
8337         emit stack restore in a place that is reached when the function falls
8338         through at the end.
8339
8340 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
8341
8342         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
8343         rule to avoid matching inappropriate suffix rule.
8344
8345 2005-01-26  Jan Hubicka  <jh@suse.cz>
8346
8347         PR tree-optimization/19241
8348         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
8349
8350 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8351
8352         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
8353         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
8354         of doubling.
8355         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
8356         <sim*>: Always use crt1.o, regardless of N in simN.
8357         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8358         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
8359         (CRT_CALL_STATIC_FUNCTION): Remove.
8360         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
8361         use crt1.o, regardless of N in simN.
8362         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8363         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
8364         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
8365         case isystem setting.
8366         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
8367
8368 2005-01-25  Ian Lance Taylor  <ian@airs.com>
8369
8370         * gimple-low.c (block_may_fallthru): Correct handling of
8371         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
8372
8373 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8374
8375         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
8376         handlers to match indentation; nested under the mtune=* handler.
8377         Similar for mcpu= and march=.
8378
8379 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
8380
8381         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
8382         * config/mips/linux64.h (LIB_SPEC): Likewise.
8383         * config/mn10300/linux.h (LIB_SPEC): Likewise.
8384         * config/sh/linux.h (LIB_SPEC): Likewise.
8385
8386 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
8387
8388         * config/frv/frv.c (frv_legitimize_tls_address): New.
8389         (TARGET_HAVE_TLS): Define.
8390         (FRV_SYMBOL_REF_TLS_P): Define.
8391         (frv_override_options): Handle new register classes.
8392         (frv_legitimate_address_p): Reject tls addresses.
8393         (frv_legitimize_address): Handle TLS addresses.
8394         (gen_inlined_tls_plt): New.
8395         (gen_tlsmoff): New.
8396         (frv_legitimize_tls_address): New.
8397         (unspec_got_name): Add TLS entries.
8398         (got12_operand): Add R_FRV_TLSMOFF12 case.
8399         (frv_emit_move): Fixup TLS addresses.
8400         (frv_emit_movsi): Legitimize TLS addresses.
8401
8402         * config/frv/frv.h (MASK_BIG_TLS): New.
8403         (TARGET_BIG_TLS): New.
8404         (HAVE_AS_TLS): Define.
8405         (TARGET_SWITCHES): Add -mTLS and -mtls options.
8406         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
8407         (REG_CLASS_NAMES): Same.
8408         (REG_CLASS_CONTENTS): Same.
8409         (CONSTRAINT_LEN): New.
8410         (REG_CLASS_FROM_CONSTRAINT): New.
8411         (PREDICATE_CODES): Add symbolic_operand.
8412
8413         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
8414         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
8415         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
8416         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
8417         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
8418         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
8419         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
8420         GR9_REG, GR14_REG, LRREG.
8421         (type): Add load_or_call attribute.
8422         ("load_or_call"): New reservation.
8423         ("call_gettlsoff"): New.
8424         ("tls_indirect_call"): New.
8425         ("tls_load_gottlsoff12"): New.
8426         ("tlsoff_hilo"): New.
8427         ("tls_tlsdesc_ldd"): New.
8428         ("tls_tlsoff_ld"): New.
8429         ("tls_lddi"): New.
8430
8431         * config/frv/frv-protos.h (symbolic_operand): Protoize.
8432
8433         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
8434
8435         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
8436         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
8437         * config/frv/frv.c (TLS_BIAS): Define.
8438         (frv_output_dwarf_dtprel): New.
8439
8440 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
8441
8442         PR rtl-optimization/19579
8443         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
8444         both A and B, see if they don't clobber registers the other expr uses.
8445
8446 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
8447
8448         * real.c (do_add): Initialize signalling and canonical members.
8449
8450         * real.c (real_from_integer): Zero out destination.
8451
8452 2005-01-18  Jan Hubicka  <jh@suse.cz>
8453
8454         PR tree-optimize/19337
8455         * tree-inline.c (initialize_inlined_parameters): Copy
8456         saved_static_chain_decl only.
8457
8458 2005-01-25  Richard Henderson  <rth@redhat.com>
8459
8460         PR target/19556
8461         PR target/19584
8462         * config/i386/i386.c (x86_inter_unit_moves): Zero.
8463         (ix86_preferred_reload_class): Rewrite fp-constant section, with
8464         80387 enabled, to return a proper subclass.  Return the subset that
8465         overlaps with GENERAL_REGS for PLUS.
8466         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
8467
8468 2005-01-25  Richard Henderson  <rth@redhat.com>
8469
8470         PR middle-end/19609
8471         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
8472
8473 2005-01-25  Roger Sayle  <roger@eyesopen.com>
8474
8475         * expmed.c (choose_multiplier): Change interface to return the
8476         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
8477         (expand_divmod): Update calls to choose_multiplier.
8478
8479 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8480
8481         PR middle-end/19330
8482         * expmed.c (extract_bit_field): Use adjust_address instead of
8483         gen_lowpart when op0 is a MEM.
8484
8485 2005-01-24  Steven Bosscher  <stevenb@suse.de>
8486
8487         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
8488
8489 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8490
8491         * config/mips/irix-csr.c: New file.
8492         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8493         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8494         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8495         executables.
8496
8497 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
8498
8499         PR bootstrap/19364
8500         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
8501         sparc/elf.h, add sparc/sp-elf.h.
8502         (sparc-*-rtems*): Likewise.
8503         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
8504         tm-dwarf2.h, add sparc/sp-elf.h.
8505         (sparc86x-*-elf): Likewise.
8506         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
8507         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
8508         TARGET_OS_CPP_BUILTINS.
8509         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8510         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8511         Undefine it.
8512         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
8513         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
8514         (SWITCH_TAKES_ARG): Likewise.
8515         (LOCAL_LABEL_PREFIX): Likewise.
8516         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8517         (TARGET_N_FORMAT_TYPES): Delete.
8518         (TARGET_FORMAT_TYPES): Likewise.
8519         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8520         * config/sparc/elf.h: Delete.
8521         * config/sparc/sp-elf.h: New file.
8522
8523 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8524
8525         * tree-flow-inline.h (phi_arg_from_edge): Remove.
8526         * tree-flow.h: Remove the corresponding prototype.
8527         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
8528         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
8529
8530 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8531
8532         PR target/17751
8533         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
8534         for AIX ABI or ELF -fPIC.
8535         (rs6000_emit_load_toc_table): Don't create toc_section here.
8536         (rs6000_xcoff_file_start): Nor here.
8537
8538 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
8539
8540         * sh.c (ra.h): Don't #include.
8541         (hard_regs_intersect_p): New function, resurrected from ra.c.
8542
8543         * sh.c: Fix 1996 Copyright.
8544
8545 2005-01-24  Richard Henderson  <rth@redhat.com>
8546             Aldy Hernandez  <aldyh@redhat.com>
8547
8548         * regrename.c (note_sets): Handle subregs.
8549
8550 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
8551
8552         PR bootstrap/18058
8553         * genconditions.c (write_header, write_conditions): Elide file if
8554         not GCC >= 3.0.1.
8555
8556 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8557
8558         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
8559         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
8560         Update copyright.
8561
8562 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8563
8564         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
8565         expand_builtin_printf, expand_builtin_fprintf,
8566         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
8567         checking against POINTER_TYPE.
8568         (validate_arglist): Handle POINTER_TYPE code by checking
8569         POINTER_TYPE_P.
8570
8571 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
8572
8573         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
8574         init_rtlanal): New.
8575         (for_each_rtx): Call for_each_rtx_1.
8576         * rtl.h (init_rtlanal): Declare.
8577         * toplev.c (backend_init): Call init_rtlanal.
8578
8579 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8580
8581         * flow.c (propagate_one_insn): Formatting.
8582
8583         PR middle-end/19551
8584         * flow.c (libcall_dead_p): Be more conservative if unsure.
8585         If there are any instructions between insn and call, see if they are
8586         all dead before saying the libcall is dead.
8587
8588 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
8589
8590         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
8591         operand constraint for operand 0.
8592
8593 2005-01-23  Richard Henderson  <rth@redhat.com>
8594
8595         PR 19486
8596         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
8597         edges leading to join block.
8598
8599 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8600
8601         * expmed.c (expand_mult_highpart): Make static.  Change type of
8602         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
8603         (expand_divmod): Updates calls to expand_mult_highpart by using
8604         gen_int_mode to pass a CONST_INT rtx.
8605         * rtl.h (expand_mult_highpart): Remove prototype.
8606
8607 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8608
8609         * flow.c (regset_bytes, regset_size): Remove.
8610
8611         * cfganal.c: Fix a reference to Harvey's paper.
8612
8613 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8614
8615         PR rtl-optimization/19464
8616         * tree-optimize.c (init_tree_optimization_passes): Add one more
8617         copyrename pass just before out-of-ssa.
8618
8619 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
8620
8621         PR bootstrap/18058
8622         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
8623         * ggc-none.c (ggc_free): Define.
8624
8625 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8626
8627         * cse.c (max_reg, max_insn_uid): Remove.
8628         (cse_main): Don't access max_reg or max_insn_uid.
8629
8630         * c-common.c (explicit_flag_signed_bitfields,
8631         lang_statement_code_p, lang_expand_function_end): Remove.
8632         * c-common.h: Remove the corresponding declarations.
8633         * c-opts.c (c_common_handle_option): Remove all write access
8634         to explicit_flag_signed_bitfields.
8635
8636         * cgraph.c (cgraph_varpool_n_nodes): Remove.
8637         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
8638         * cgraph.h: Remove the corresponding declaration.
8639
8640         * gcse.c (null_pointer_info): Remove.
8641
8642 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8643             Eric Botcazou  <ebotcazou@libertysurf.fr>
8644
8645         * combine.c (simplify_logical): Only simplify logical expressions
8646         of the form ior(and(x,y),z) by the inverse distributive law if the
8647         result is cheaper than the original.
8648
8649 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8650
8651         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
8652         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
8653         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
8654         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
8655         config/freebsd-spec.h, config/arm/arm.h,
8656         config/h8300/h8300.md, config/i386/i386.md,
8657         config/i386/predicates.md, config/i386/sse.md,
8658         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
8659         config/vax/vax.md: Fix comment typos.  Follow spelling
8660         conventions.
8661
8662 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8663
8664         * gengtype.c (walk_type): Produce `not equal to' compares for loop
8665         tests, instead of `less than'.
8666
8667 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
8668
8669         * function.c (assign_parm_setup_block): When creating a new stack slot
8670         for a parameter, get its alignment from the parameter's DECL_ALIGN
8671         rather than the type's TYPE_ALIGN.  Make sure that the parameter
8672         is at least word aligned.
8673
8674 2005-01-22  Roger Sayle  <roger@eyesopen.com>
8675
8676         PR middle-end/19378
8677         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
8678
8679 2005-01-22  Richard Henderson  <rth@redhat.com>
8680
8681         PR target/19506
8682         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
8683         in both compare operands.
8684         (movdfcc_1_sse_max): Likewise.
8685         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
8686         (movdfcc_1_sse): Likewise.
8687         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
8688         scratch register as needed.
8689
8690 2005-01-22  Richard Henderson  <rth@redhat.com>
8691
8692         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
8693
8694         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
8695
8696 2005-01-22  Richard Henderson  <rth@redhat.com>
8697
8698         * genopinit.c (optabs): Use smin/smax for floating point too.
8699         * doc/md.texi: Update to match.  Clarify that floating point
8700         results are undefined for +0/-0 and NaN.
8701         * doc/rtl.texi: Likewise.
8702         * rtl.def (SMIN, SMAX): Likewise
8703         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8704
8705         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8706         leading 's' to the name.
8707         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8708         smaxxf3, sminxf3): Likewise.
8709         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8710         Likewise.
8711
8712 2005-01-22  Paul Brook  <paul@codesourcery.com>
8713
8714         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8715
8716 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8717
8718         * config/s390/s390.c (struct processor_costs): New fields
8719         dlgr, dlr, dr, dsgfr, dsgr.
8720         (z900_cost, z990_cost): Values for new fields.
8721         (s390_rtx_costs): New cases MEM und COMPARE in switch
8722         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8723         DIV, MOD, UDIV, UMOD.
8724
8725 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8726
8727         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8728         into the register being decremented.
8729         ("doloop_si31", "doloop_di"): Likewise.
8730         ("*doloop_si_long"): Adapt pattern.
8731
8732 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8733
8734         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8735         access registers.
8736         (CLASS_MAX_NREGS): Likewise.
8737
8738 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8739
8740         * doc/tree-ssa.texi (Statement Operands): Add example for new
8741         must-def macro. Note deprecation of old operands interface.
8742
8743 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8744
8745         PR tree-optimization/19484
8746         * tree-cfg.c (remove_fallthru_edge): New function.
8747         (cleanup_control_flow): Remove fallthru edges from calls that are
8748         now known not to return.
8749
8750 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8751
8752         Fix PR tree-optimization/19038
8753         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8754         copies with loop variant ones.
8755
8756 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8757
8758         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8759         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8760         config/alpha/alpha.md, config/alpha/predicates.md,
8761         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8762         config/sparc/sol2.h: Update copyright.
8763
8764         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8765         first label to see if it is a nonlocal label.
8766
8767 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8768             Andrew Pinski  <pinskia@physics.uc.edu>
8769
8770         PR target/19491
8771         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8772         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8773
8774 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8775
8776         * config/rs6000/rtems.h: Update copyright.
8777
8778 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8779
8780         PR target/19548
8781         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8782         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8783         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8784
8785 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8786
8787         PR c/18809
8788         * c-typeck.c (convert_arguments): Check for error_mark_node.
8789
8790 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8791
8792         PR tree-optimization/13000
8793         * tree-inline.c: Include "tree-flow.h".
8794         (expand_call_inline): If warn_return_type, warn if non-void inline
8795         function falls through.
8796         * tree-cfg.c (execute_warn_function_return): Don't warn about
8797         control reaching end if TREE_NO_WARNING is set.  Set
8798         TREE_NO_WARNING.
8799         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8800         has been lowered.
8801         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8802         branch if we don't need one.
8803         * c-typeck.c: Include "tree-flow.h"
8804         (c_finish_bc_stmt): Don't add a goto if the current statement
8805         list doesn't fall through to the current point.
8806
8807 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8808
8809         PR rtl-optimization/576
8810         * real.c (real_arithmetic): Change return type from void to bool
8811         to return an indication that the result may be inexact.
8812         * real.h (real_arithmeric): Update prototype.
8813         * fold-const.c (const_binop):  Don't constant fold floating
8814         point expressions when the user specifies -frounding-math and
8815         the result may depend upon the run-time rounding mode.
8816         (fold_convert_const_real_from_real): Clean-up.
8817         (fold_initializer): Ignore flag_rounding_math for initializers.
8818         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8819         constant fold FP operations with flag_rounding_math if the
8820         result may depend upon the run-time rounding mode.
8821
8822 2005-01-21  Tom Tromey  <tromey@redhat.com>
8823
8824         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8825
8826 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8827
8828         * tree-cfg.c: Fix comment typos.
8829
8830 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8831
8832         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8833         around the call to rest_of_handle_branch_target_load_optimize.
8834
8835 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8836
8837         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8838         (sparc64-*-openbsd*): Likewise.
8839         (sparclite-*-elf*): Include tm-dwarf2.h.
8840         (sparc86x-*-elf*): Likewise.
8841         (sparc64-*-elf*): Likewise.
8842         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8843         (DBX_DEBUGGING_INFO): Likewise.
8844         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8845         (PREFERRED_DEBUGGING_TYPE): Likewise.
8846         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8847         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8848         (PREFERRED_DEBUGGING_TYPE): Likewise.
8849         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8850         (PREFERRED_DEBUGGING_TYPE): Likewise.
8851         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8852
8853 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8854
8855         PR target/18701
8856         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8857
8858 2005-01-20  Paul Brook  <paul@codesourcery.com>
8859
8860         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8861
8862 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8863
8864         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8865         label is first in a sequence of labels.
8866
8867         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8868
8869 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8870             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8871
8872         * doc/sourcebuild.texi (Test Directives): New.
8873
8874 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8875
8876         * real.c (real_floor): Don't leave the result uninitialized when
8877         mode is VOIDMode, but return the unrounded intermediate value.
8878         (real_ceil): Likewise.
8879
8880 2005-01-20  Paul Brook  <paul@codesourcery.com>
8881
8882         * config/arm/arm.md (insv): Use gen_int_mode.
8883
8884 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8885
8886         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8887         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8888         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8889         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8890         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8891
8892 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8893
8894         Fix PR debug/19124
8895         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8896         fbreg, so we have to assume we can't.
8897         (loc_descriptor_from_tree_1): Ditto.
8898         (containing_function_has_frame_base): New function.
8899         (add_location_or_const_value_attribute): Use it.
8900         Also try to generate a frame_base from a single element location
8901         list.
8902
8903 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8904
8905         PR tree-optimization/15349
8906         * timevar.def (TV_TREE_MERGE_PHI): New.
8907         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8908         PHI_WANTED.
8909         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8910         calls to tree_forwarder_block_p.
8911         (remove_forwarder_block_with_phi, merge_phi_nodes,
8912         gate_merge_phi, pass_merge_phi): New.
8913         * tree-optimize.c (init_tree_optimization_passes): Add
8914         pass_merge_phi.
8915         * tree-pass.h: Add an extern for pass_merge_phi;
8916
8917 2005-01-20  Richard Henderson  <rth@redhat.com>
8918
8919         PR target/19418
8920         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8921         (_mm_castps_pd, _mm_castps_si128): New.
8922         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8923
8924 2005-01-20  Richard Henderson  <rth@redhat.com>
8925
8926         PR target/19530
8927         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8928         __builtin_ia32_vec_init_v2si.
8929         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8930         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8931         (ix86_init_mmx_sse_builtins): Create it.
8932         (ix86_expand_builtin): Expand it.
8933         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8934         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8935         (vec_extractv2si_0, vec_extractv2si_1): New.
8936
8937 2005-01-20  Richard Henderson  <rth@redhat.com>
8938
8939         PR target/16533
8940         * config/i386/i386.c (ix86_expand_push): New.
8941         * config/i386/mmx.md (push<MMXMODE>1): New.
8942         * config/i386/sse.md (push<SSEMODE>1): New.
8943         * config/i386/i386-protos.h: Update.
8944
8945 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8946
8947         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8948         copyright.
8949
8950 2005-01-20  Richard Henderson  <rth@redhat.com>
8951
8952         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8953         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8954
8955 2005-01-19  Richard Henderson  <rth@redhat.com>
8956
8957         PR target/19350
8958         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8959         to V4SFmode in SSE1 fallback load path.
8960
8961 2005-01-19  Richard Henderson  <rth@redhat.com>
8962
8963         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8964         in QImode expansion to ix86_expand_vector_set.
8965         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8966
8967 2005-01-19  Richard Henderson  <rth@redhat.com>
8968
8969         PR target/19511
8970         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8971         subclass of the input class.
8972         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8973         Always true for cross-SSE1 classes.  Rationalize conditionals.
8974         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8975         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8976         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8977         (movdi_2): Add MMX/SSE zeros.
8978         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8979         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8980         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8981         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8982         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8983         (zero_extendsidi2_rex64_1): Remove.
8984         (MOV0 peephole): Check GENERAL_REG_P.
8985
8986 2005-01-19  Richard Henderson  <rth@redhat.com>
8987
8988         PR target/19427
8989         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8990         shufps elements.
8991         (ix86_expand_vector_extract): Likewise.
8992
8993 2005-01-19  Richard Henderson  <rth@redhat.com>
8994
8995         PR middle-end/19304
8996         * expr.c (emit_move_change_mode): New argument force; use
8997         simplify_gen_subreg if true.
8998         (emit_move_via_alt_mode): Merge into ...
8999         (emit_move_via_integer): ... here.
9000         (emit_move_ccmode): Use emit_move_change_mode directly.
9001
9002 2005-01-19  Richard Henderson  <rth@redhat.com>
9003
9004         PR target/19518
9005         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
9006         (alpha_preferred_reload_class): Handle CONST_VECTOR.
9007         (alpha_emit_set_const_1): Add no_output parameter; don't emit
9008         rtl if true.
9009         (alpha_emit_set_const): Likewise.  Make static.
9010         (alpha_emit_set_long_const): Make static.
9011         (alpha_extract_integer): Split out from alpha_expand_mov.
9012         (alpha_split_const_mov): Likewise.
9013         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
9014         (alpha_legitimate_constant_p): New.
9015         * config/alpha/alpha-protos.h: Update.
9016         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
9017         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
9018         * config/alpha/alpha.md (movsi): Add n alternative.
9019         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
9020         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
9021         (splitters for all of the above): Use alpha_split_const_mov.
9022         * config/alpha/predicates.md (non_add_const_operand): New.
9023         (non_zero_const_operand): New.
9024         (input_operand): Use alpha_legitimate_constant_p after reload.
9025
9026 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9027
9028         PR tree-optimization/19038
9029         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
9030         (add_candidate): Add ivs with increment in latch only if
9031         allow_ip_end_pos_p is true.
9032         (determine_iv_cost): Use empty_block_p.
9033
9034 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
9035
9036         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
9037         (compute_dominance_frontiers): Ditto.
9038
9039 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
9040
9041         PR target/19529
9042         * config/sh/t-rtems: New.
9043         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
9044
9045 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
9046
9047         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
9048         the offset of the selected field.
9049
9050 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
9051
9052         * tree-cfg.c (remove_forwarder_block): Fix the check to
9053         prevent a nonlocal label from appearing in the middle of a
9054         basic block.
9055
9056 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
9057
9058         PR rtl-optimization/19462
9059         * reorg.c (find_end_label): Create return insn only if
9060         current_function_epilogue_delay_list is empty.
9061
9062 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
9063
9064         * doc/passes.texi: Remove paragraph mentioning new-ra.
9065
9066 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
9067
9068         PR rtl-optimization/15139
9069         * combine.c: Include params.h.
9070         (count_rtxs): New function.
9071         (record_value_for_reg): If replace_rtx would replace at least
9072         2 occurrences of REG in VALUE and TEM is really large, replace REG with
9073         (clobber (const_int 0)) instead of TEM.
9074         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
9075         * params.h (MAX_LAST_VALUE_RTL): New.
9076         * Makefile.in (combine.o): Depend on $(PARAMS_H).
9077         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
9078
9079         PR c/17297
9080         * c-typeck.c (digest_init): Only call build_vector if all constructor
9081         elements are *_CST nodes.
9082         * gimplify.c (gimplify_init_constructor): Likewise.
9083
9084         PR middle-end/19164
9085         * c-typeck.c (digest_init): Only call build_vector if inside_init
9086         is a CONSTRUCTOR.
9087
9088 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9089
9090         * toplev.c (init_asm_output): Remove dead #ifdef.
9091
9092 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9093
9094         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
9095
9096 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9097
9098         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
9099         accessing DECL_FUNCTION_CODE.
9100         * dojump.c (do_jump): Likewise.
9101         * gimplify.c (gimplify_call_expr): Likewise.
9102         * predict.c (expr_expected_value): Likewise.
9103         (strip_builtin_expect): Likewise.
9104         * tree-inline.c (estimate_num_insns_1): Likewise.
9105         * tree-ssa-loop-im.c (stmt_cost): Likewise
9106         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
9107         (tree_expr_nonnegative_p): Likewise.
9108
9109 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9110
9111         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
9112         variant of the load_pcrel_sym pattern.
9113         * config/sparc/sparc.md (P macro): Move to the top.
9114         (load_pcrel_sym): Macroize using P.
9115         (save_register_window): Likewise.
9116
9117 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
9118
9119         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
9120         ("sordered"): Same.
9121
9122 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
9123
9124         PR C/19472
9125         * c-typeck.c (build_asm_expr): Strip nops off
9126         input memory operands.
9127
9128 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
9129
9130         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
9131         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
9132         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
9133         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
9134
9135 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
9136
9137         PR target/19379
9138         * config/i386/i386.c (override_options): If the 80387 is disabled,
9139         then do not return FP values using FP registers.
9140
9141 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
9142
9143         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
9144         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
9145         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
9146         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
9147         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
9148         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
9149         output.h, postreload-gcse.c, postreload.c, recog.c,
9150         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
9151         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
9152         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
9153         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
9154         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
9155         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
9156         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
9157         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
9158
9159         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
9160         config/alpha/alpha.c, config/arm/vfp.md,
9161         config/i386/emmintrin.h, config/i386/i386-modes.def,
9162         config/i386/i386-protos.h, config/i386/i386.h,
9163         config/i386/pmmintrin.h, config/i386/ppro.md,
9164         config/i386/predicates.md, config/i386/xmmintrin.h,
9165         config/i860/i860.c, config/ia64/ia64-modes.def,
9166         config/ia64/ia64-protos.h, config/ia64/ia64.h,
9167         config/ia64/ia64.md, config/ia64/itanium1.md,
9168         config/ia64/itanium2.md, config/ia64/predicates.md,
9169         config/iq2000/iq2000.h, config/mips/linux64.h,
9170         config/rs6000/aix41.h, config/rs6000/aix43.h,
9171         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
9172         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9173         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
9174         config/sparc/linux64.h, config/sparc/litecoff.h,
9175         config/sparc/sp64-elf.h, config/sparc/sparc.c,
9176         config/sparc/sparc.h, config/sparc/sparc.md,
9177         config/sparc/sysv4-only.h: Update copyright.
9178
9179 2005-01-18  Richard Henderson  <rth@redhat.com>
9180
9181         PR target/19496
9182         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
9183
9184 2005-01-18  Marc Espie  <espie@openbsd.org>
9185         * config/i386/openbsdelf.h: Typo.
9186
9187 2005-01-18  Richard Henderson  <rth@redhat.com>
9188
9189         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
9190         special case for sse.
9191         * config/i386/predicates.md (sse_comparison_operator): Likewise.
9192
9193 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
9194
9195         * tree-inline.c (estimate_num_insns_1): Added cases for
9196         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
9197
9198 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
9199
9200         PR rtl-optimization/19296
9201         * combine.c (simplify_comparison): Rewrite the condition under
9202         which a non-paradoxical SUBREG of a PLUS can be lifted when
9203         compared against a constant.
9204
9205 2005-01-18  Andi Kleen <ak@muc.de>
9206
9207         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
9208         * c.opt (-Wpointer-sign): Add.
9209         * doc/invoke.texi: (-Wpointer-sign): Add.
9210
9211 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9212
9213         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
9214         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
9215         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
9216         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
9217         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
9218         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
9219         for TARGET_MIX_SSE_I387.
9220         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
9221         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
9222         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
9223         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
9224         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
9225         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
9226         TARGET_MIX_SSE_I387.
9227         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
9228         from expander.
9229
9230 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
9231
9232         PR target/19424
9233         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
9234         Add movaps alternative for xmm reg->reg move.
9235
9236 2005-01-17  Jeff Law  <law@redhat.com>
9237
9238         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
9239         at the end of the main DOM loop rather than just before DOM exits.
9240
9241 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
9242
9243         PR tree-optimization/19121
9244         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
9245         adding aliases to a name tag, also add them to the pointer's
9246         type tag.
9247         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
9248         sensitive alias info at all.  Only check that the two pointers
9249         have compatible pointed-to sets.
9250         * tree-ssa.c (verify_name_tags): Verify that the alias set of
9251         a pointer's type tag is a superset of the alias set of the
9252         pointer's name tag.
9253
9254 2005-01-17  James E Wilson  <wilson@specifixinc.com>
9255
9256         PR target/19357
9257         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
9258         comment to document why.
9259
9260 2005-01-17  Richard Henderson  <rth@redhat.com>
9261
9262         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
9263         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
9264         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
9265         sse2_vmsminv2df3_finite): New.
9266         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
9267         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
9268         Force op1 into register.
9269
9270 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
9271
9272         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
9273         bubblestrap from always rebuilding build directory.
9274
9275 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
9276
9277         * config/s390/s390.md ("*clc"): Remove incorrect '='.
9278         ("*cmpmem_short"): Likewise.
9279
9280 2005-01-17  Steven Bosscher  <stevenb@suse.de>
9281
9282         * basic-block.h: Document BB_* flags.
9283         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
9284         use an sbitmap instead.
9285         * sched-rgn.c (compute_trg_info): Likewise.
9286
9287 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
9288
9289         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
9290         redundant target_cpu_default and extra_parts lines.  Use the default
9291         "from-abi" ISA.
9292         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
9293         (SUBTARGET_EXTRA_SPECS): Delete.
9294         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
9295         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
9296         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
9297         and "n32" for -mabi=n32.
9298
9299 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9300
9301         PR c/5675
9302         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
9303         fold constant variables into initial values.
9304
9305 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9306
9307         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
9308
9309         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
9310         through the statements backward.
9311
9312 2005-01-17  Ian Lance Taylor  <ian@airs.com>
9313
9314         PR middle-end/13127:
9315         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
9316         a variable set to the return value of the inlined function.
9317
9318 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
9319
9320         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
9321         when modes are tieable.
9322
9323 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
9324
9325         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
9326         of pthread_create to find out if threads are enabled.
9327         * gthr-posix95.h (__gthread_active_p): Likewise.
9328
9329 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
9330
9331         * common.opt (-fnew-ra): Remove.
9332         * ra*.*: Remove.
9333         * toplev.h (flag_new_regalloc): Remove.
9334         * Makefile.in (ra*.*): Don't mention.
9335         * passes.c (rest_of_handle_new_regalloc): Remove.
9336         (rest_of_handle_combine, rest_of_compilation): Always consider
9337         flag_new_regalloc as false.
9338         * doc/invoke.texi: Don't document -fnew-ra.
9339
9340 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
9341
9342         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
9343         last parameter to reg_scan.
9344         * loop.c (loop_optimize): Likewise.
9345         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
9346         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
9347         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9348         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9349         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
9350         * regclass.c (reg_scan): Likewise, for the declaration.
9351         * rtl.h (reg_scan): Likewise, for the prototype.
9352
9353 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9354
9355         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
9356         mark_dfs_back_edges.
9357
9358 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
9359
9360         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
9361         (compute_avail): Uses don't go in tmp_gen.
9362
9363 2005-01-16  Steven Bosscher  <stevenb@suse.de>
9364
9365         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
9366         loop to look for a free slot in a page entry.
9367
9368 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9369
9370         PR target/16304
9371         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
9372         * toplev.c (compile_file): Call process_pending_assemble_output_defs
9373         just before targetm.asm_out.file_end.
9374         * tree.h (process_pending_assemble_output_defs): Declare.
9375         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
9376         New functions.
9377         (assemble_alias): Defer generation of assembly code for defines when
9378         TARGET_DEFERRED_OUTPUT_DEFS is true.
9379         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9380         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9381         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
9382
9383 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9384
9385         PR target/19336
9386         * pa.c (pa_scalar_mode_supported_p): New function.
9387         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9388         * pa.h (MIN_UNITS_PER_WORD): Add comment.
9389
9390         * pa-protos.h (prefetch_operand): Delete.
9391         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
9392         * pa.c (prefetch_operand): Delete.
9393         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
9394         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
9395         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
9396         and prefetch_nocc_operand.
9397         * pa.md (prefetch): Rework to avoid reload problems handling short
9398         displacements when a cache control completer needs to be provided.
9399         (prefetch_32, prefetch_64): Delete.
9400         (prefetch_cc, prefetch_nocc): New patterns.
9401
9402 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
9403
9404         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
9405
9406 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9407
9408         PR ada/19388
9409         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
9410         exceeds maximum alignment for global common data.
9411         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
9412         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
9413
9414 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9415
9416         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
9417
9418 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9419
9420         * harg-reg-set.h (reg_class_names): Prototype global array.
9421         * regclass.c (reg_class_names): Declare here and initialize to
9422         REG_CLASS_NAMES.
9423         (dump_regclass): Remove local declaration of reg_class_names.
9424         (regclass): Likewise.
9425         * cfg.c (dump_flow_info): Likewise.
9426         * ra-debug.c (reg_class_names): Likewise.
9427         * regrename.c (reg_class_names): Likewise.
9428         * reload.c (reg_class_names): Likewise.
9429         * reload1.c (spill_failure): Likewise.
9430         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
9431
9432 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
9433
9434         * config/s390/s390.md ("reload_outti"): Remove predicate for
9435         output operand.  Abort if operand is not a MEM.
9436         ("reload_outdi", "reload_outdf"): Likewise.
9437
9438 2005-01-15  Marc Espie  <espie@openbsd.org>
9439
9440         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
9441         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
9442         * config/openbsd.h:  Fix C++ includes for native configurations.
9443         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
9444         Add trampoline support.
9445         * config/i386/openbsdelf.h: New.
9446
9447 2005-01-15  Marc Espie  <espie@openbsd.org>
9448
9449         * collect2.c (main): Explicitly parse -dynamic-linker option.
9450
9451 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
9452
9453         PR tree-optimization/19060
9454         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
9455         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
9456         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
9457         and handle extract_range_from_cond returning false.
9458         * fold-const.c (fold): Optimize comparisons with min/max even for
9459         width > HOST_BITS_PER_WIDE_INT.
9460
9461 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
9462
9463         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
9464         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
9465         Remove little endian multilib variants.
9466         Add mips32 multilib variant.
9467
9468 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
9469
9470         * explow.c (copy_all_reg, stabilize): Remove.
9471         * expr.h: Remove the corresponding prototypes.
9472
9473         * rtlanal.c (regs_set_between_p): Remove.
9474         * rtl.h: Remove the corresponding prototype.
9475
9476 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
9477
9478         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
9479         to rs6000_nonimmediate_operand.
9480         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
9481         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
9482         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
9483         rs6000_nonimmediate_operand.
9484         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
9485         rs6000_nonimmediate_operand.
9486
9487 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
9488
9489         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
9490
9491 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9492
9493         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
9494         on e500v2.
9495         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
9496         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
9497
9498         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
9499         (rs6k_nonimmediate_operand): New.
9500         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
9501         correctly.
9502         (legitimate_lo_sum_address_p): Same.
9503         (rs6000_legitimize_address): Same.
9504         (rs6000_legitimize_reload_address): Same.
9505         (rs6000_legitimate_address): Same.
9506         (spe_build_register_parallel): Pass DF and DC modes in a DI
9507         register.
9508
9509         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
9510         to rs6k_nonimmediate_operand.
9511
9512         * config/rs6000/spe.md ("*frob_df_di"): New.
9513         ("*frob_di_df"): New.
9514         ("*frob_di_df_2"): New.
9515         ("*mov_sidf_e500_subreg0"): New.
9516         ("*mov_sidf_e500_subreg4"): New.
9517         ("*movdf_e500_double"): Change predicate to
9518         rs6k_nonimmediate_operand.
9519
9520 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9521
9522         * postreload.c (move2add_note_store): Only call
9523         trunc_int_for_mode on scalar integers.
9524
9525 2005-01-14  Steven Bosscher  <stevenb@suse.de>
9526
9527         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
9528         replace BB_VISITED uses.
9529         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
9530         (propagate_necessity): Check the bitmap instead of BB_VISITED.
9531         (tree_dce_done): Free visited_control_parents.
9532         (perform_tree_ssa_dce): Allocate and clear it.
9533         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
9534         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
9535         instead of BB_VISITED.
9536
9537 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
9538
9539         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
9540         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
9541         Remove unused prototypes.
9542
9543 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9544
9545         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
9546         64-bit register usage.
9547         (spe_func_has_64bit_regs_p): Add FIXME note.
9548
9549 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9550
9551         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
9552         flag_finite_math_only with flag_unsafe_math_optimizations.
9553
9554 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
9555
9556         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
9557         end-of-stack check.
9558         (__tpf_eh_return): Copy TPF private stack area from the module
9559         boundary stack frame.  Add check for when module addresses are
9560         equal, but no stub address is found.
9561
9562 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
9563
9564         PR target/7525
9565         * arm.h (struct machine_function): Add call_via field.
9566         (thumb_call_via_label): Declare.
9567         * arm.c (thumb_call_via_label): New variable.
9568         (thumb_call_reg_needed): New variable.
9569         (arm_output_function_epilogue): For Thumb code, output any per-function
9570         call-indirect trampolines.
9571         (thumb_call_via_reg): New function.
9572         (arm_file_end): New function.
9573         (TARGET_ASM_FILE_END): Call arm_file_end.
9574         (aof_file_end): Likewise.
9575         * arm-protos.h (thumb_call_via_reg): Declare.
9576         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
9577         thumb_call_via_reg in normal case.
9578
9579 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
9580
9581         PR middle-end/19084
9582         PR rtl-optimization/19348
9583         * recog.c (peephole2_optimize): Do global life update if some peephole
9584         decides it doesn't need at least one of its inputs and that change
9585         influences liveness at the start of the basic block.
9586
9587         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
9588         arguments instead of 1.
9589
9590 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
9591
9592         PR middle-end/18820
9593         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
9594         zero for nested functions needing a static chain or functions
9595         with a non-constant address.
9596
9597 2005-01-13  Roger Sayle  <roger@eyesopen.com>
9598
9599         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
9600         (and (sign_extend X) C) into (zero_extend (and X C)).
9601
9602 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
9603
9604         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
9605
9606 2005-01-13  Richard Henderson  <rth@redhat.com>
9607
9608         PR target/19009
9609         PR target/19250
9610         PR target/19252
9611         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
9612         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
9613         not just TARGET_SSE.
9614         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
9615         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
9616         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
9617         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
9618         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
9619         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
9620         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
9621         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
9622         (movdicc_c_rex64): Rename with '*'.
9623         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
9624         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
9625         (movsfcc_1_387): Rename from movsfcc_1.
9626         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
9627         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
9628         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
9629         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
9630         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
9631         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
9632         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
9633         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
9634         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
9635         sse_movdfcc_const0_4): Remove.
9636         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
9637         recognize min/max early.  Update for changed sse cmove patterns.
9638         (ix86_split_sse_movcc): New.
9639         * config/i386/i386-protos.h: Update.
9640
9641 2005-01-13  Steven Bosscher  <stevenb@suse.de>
9642
9643         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
9644         (fix_stmt_v_may_defs): Likewise.
9645
9646 2005-01-13  Richard Henderson  <rth@redhat.com>
9647
9648         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
9649         for converting the mask.
9650
9651 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
9652
9653         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
9654         definition to 600.
9655
9656 2005-01-13  Richard Henderson  <rth@redhat.com>
9657
9658         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
9659         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
9660         IX86_BUILTIN_MOVDQ2Q): Remove.
9661         (IX86_BUILTIN_VEC_EXT_V4SI): New.
9662         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
9663         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
9664         shuffling.
9665         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
9666         (sse2_pextrw): Fix immediate constraint.
9667         (sse2_loadq, sse2_loadq_rex64): Remove.
9668         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
9669         Use __builtin_ia32_vec_ext_<size>.
9670         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
9671
9672 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
9673
9674         * function.c (assign_parm_setup_block): Look inside original
9675         entry_parm when inspecting PARALLEL.
9676
9677 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
9678             Joel Sherrill  <joel@oarcorp.com>
9679
9680         PR target/19399
9681         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
9682         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
9683         rtems_gxx_recursive_mutex_init.
9684         (__gthread_recursive_mutex_lock): New function.
9685         (__gthread_recursive_mutex_trylock): Likewise.
9686         (__gthread_recursive_mutex_unlock): Likewise.
9687
9688 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
9689
9690         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
9691
9692 2005-01-13  Jan Beulich  <jbeulich@novell.com>
9693
9694         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
9695         (ashrti3_internal): Indicate output is early clobber. Generate result
9696         into output rather than first input. Use move for low word of output
9697         if shift count is exactly 64.
9698         (lshrti3_internal): Likewise.
9699
9700 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9701
9702         PR target/18329
9703         PR target/18330
9704         * reload1.c (delete_output_reload): Don't delete an output reload
9705         if the pseudo lives longer than a single basic block.  Adjust and
9706         improve wording of comment.
9707
9708 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9709
9710         PR target/19334
9711         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9712         of TYPE_SIZE where we mean the number of bytes.
9713
9714 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9715
9716         * function.c (assign_parm_setup_block): Relax condition on
9717         multi-register optimization.
9718
9719 2005-01-12  Nick Clifton  <nickc@redhat.com>
9720
9721         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9722         an "in_delay_slot" attribute of "no" to prevent them being used in
9723         delay slots.  This is forbidden because they might generate
9724         exceptions.
9725
9726 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9727
9728         PR target/19389
9729         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9730         with r->Y and Y->r.
9731
9732 2005-01-12  Nick Clifton  <nickc@redhat.com>
9733
9734         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9735         passed on to GAS) but do not define, as GAS no longer supports or
9736         needs the -m2000 option.
9737
9738 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9739
9740         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9741         type as args of unprototyped builtins aren't automatically promoted.
9742         (fold_builtin_abs): Likewise.
9743
9744 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9745
9746         * Makefile.in: Set a `build-warn' variable.
9747
9748 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9749
9750         PR tree-optimization/17949
9751         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9752         (find_interesting_uses_address): Use it.
9753
9754 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9755
9756         * regrename.c (kill_value): Handle subreg's that won't simplify.
9757
9758 2005-01-11  Richard Henderson  <rth@redhat.com>
9759
9760         PR target/13366
9761         * config/i386/i386.h (enum ix86_builtins): Move ...
9762         * config/i386/i386.c: ... here.
9763         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9764         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9765         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9766         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9767         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9768         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9769         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9770         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9771         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9772         IX86_BUILTIN_LOADDDUP): Remove.
9773         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9774         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9775         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9776         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9777         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9778         (ix86_init_builtins): Make static.
9779         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9780         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9781         if all the modes match.  Otherwise, fake it.
9782         (get_element_number, ix86_expand_vec_init_builtin,
9783         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9784         (ix86_expand_builtin): Make static.  Update for changed builtins.
9785         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9786         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9787         (ix86_expand_vector_init_duplicate): New.
9788         (ix86_expand_vector_init_low_nonzero): New.
9789         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9790         Split out from ix86_expand_vector_init; handle integer modes.
9791         (ix86_expand_vector_init): Use them.
9792         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9793         * config/i386/i386-protos.h: Update.
9794         * config/i386/predicates.md (reg_or_0_operand): New.
9795         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9796         (movv2sf_internal): Likewise.  And a splitter to match them all.
9797         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9798         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9799         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9800         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9801         (mmx_pinsrw): Fix operand ordering.
9802         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9803         rather than sse_loadss expander.
9804         (movv2df splitter): Similarly.
9805         (sse_loadss, sse_loadlss): Remove.
9806         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9807         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9808         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9809         (sse3_movddup): Rename with '*'.
9810         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9811         (sse2_loadsd): Remove.
9812         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9813         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9814         (sse2_pinsrw): Fix argument ordering.
9815         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9816         (sse2_stored): Remove 'r' destination.
9817         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9818         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9819         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9820         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9821         vec_extractv16qi, vec_initv16qi): New.
9822
9823         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9824         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9825         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9826         constructor form.
9827         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9828         (_mm_load_si128, _mm_store_si128): Likewise.
9829         (_mm_load1_pd): Use _mm_set1_pd.
9830         (_mm_load_sd): Use _mm_set_sd.
9831         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9832         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9833         (_mm_set_epi64): Use _mm_set_epi64x.
9834         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9835         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9836         _mm_setr_epi8): Use _mm_set_foo form.
9837         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9838         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9839         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9840         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9841         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9842         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9843         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9844         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9845         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9846         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9847         (_mm_movedup_pd): Use _mm_shuffle_pd.
9848         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9849         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9850         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9851         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9852         Use _mm_setzero_ps.
9853         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9854         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9855         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9856         (_mm_store_ps): Use raw dereference.
9857         (_mm_store1_ps): Use _mm_storeu_ps.
9858         (_mm_storer_ps): Use _mm_store_ps.
9859         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9860         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9861
9862 2005-01-11  Stan Shebs  <shebs@apple.com>
9863
9864         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9865         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9866
9867 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9868
9869         PR target/18761
9870         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9871         Skip all DECLs except for FIELD_DECLs.
9872
9873 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9874
9875         * config/s390/s390.c (override_options): Return error if
9876         -mbackchain, -mpacked-stack and -mhard-float are used together.
9877         (s390_va_start): Remove the backchain && packed-stack special case.
9878         (s390_gimplify_va_arg): Likewise.
9879         * doc/invoke.texi: Remove the ABI incompatibility note.
9880
9881 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9882
9883         * config/s390/s390.c (struct s390_frame_layout): Remove
9884         save_backchain_p.
9885         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9886         save_backchain_p with TARGET_BACKCHAIN.
9887
9888 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9889
9890         PR target/18916
9891         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9892         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9893         * function.c (locate_and_pad_parm): Set new field.
9894         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9895         Tweak where_pad test to include "none".  Always set mem align for
9896         stack_parm.
9897         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9898         not sufficient for type.
9899         (assign_parm_setup_block): If stack_parm is zero on entry, always
9900         make a new stack local.  Block move old stack parm if necessary
9901         to new aligned stack local.
9902         (assign_parm_setup_stack): Use a block move to handle
9903         potentially misaligned entry_parm.
9904         (assign_parms_unsplit_complex): Specify required alignment when
9905         creating stack local.
9906         * calls.c (compute_argument_addresses): Override alignment of stack
9907         arg calculated from its type with the alignment given by
9908         FUNCTION_ARG_BOUNDARY.
9909         (store_one_arg): Likewise.
9910
9911 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9912
9913         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9914         Change respective itanium_class attribute to ialu.
9915         (shladdp4_internal): New.
9916         * config/ia64/predicates.md (shladd_log2_operand): New.
9917
9918 2005-01-11  Richard Henderson  <rth@redhat.com>
9919
9920         * expr.c (store_constructor): Use rtvec_alloc instead of
9921         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9922
9923 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9924
9925         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9926
9927 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9928
9929         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9930         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9931         (TARGET_RWRELOC): Define.
9932         (ia64_rwreloc_section_type_flags): Delete.
9933         (ia64_section_type_flags): New function.
9934         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9935         (TARGET_RWRELOC): Define.
9936
9937 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9938
9939         PR target/18987
9940         * config/ia64/ia64.c (process_set): For alloc insn, only call
9941         process_epilogue is !frame_pointer_needed.
9942
9943 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9944
9945         PR c++/19355
9946         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9947         unary operator and can't be treated as a binary/comparison operator.
9948
9949 2005-01-10  Richard Henderson  <rth@redhat.com>
9950
9951         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9952         (ix86_return_in_memory): Likewise.
9953         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9954         for choosing register to advance.
9955
9956 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9957
9958         * tree-vectorizer.c, tree.def: Fix comment typos.
9959
9960 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9961
9962         * config/s390/s390.c (struct processor_costs): 4 new fields:
9963         ddbr, ddr, debr, der.
9964         (s390_rtx_costs): More precise handling of divide instructions.
9965
9966 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9967
9968         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9969
9970 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9971
9972         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9973         names resulting from -ffunction-sections/-fdata-sections and linkonce
9974         ones.
9975         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9976         based on the section name. Rearrange the section name comparison logic
9977         slightly so that each section name is compared against at most once.
9978
9979 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9980
9981         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9982         targets for which -fPIC reduces limitations on the GOT size.
9983
9984 2005-01-09  Falk Hueffner  <falk@debian.org>
9985
9986         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9987         X/C1 cmpop C2.
9988
9989 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9990
9991         PR target/18720
9992         * collect2.c (main): Set aixrtl_flag for -brtl option.
9993         (resolve_lib_name): Search for .so file extension before .a
9994         if aixrtl_flag set.
9995
9996 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9997
9998         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9999         (vect_analyze_data_refs_alignment): Add dump prints.
10000
10001 2005-01-09  Ira Rosen  <irar@il.ibm.com>
10002
10003         * tree-vectorizer.c (vect_analyze_offset_expr): Use
10004         expr_invariant_in_loop_p.
10005         Initialize outputs first thing in the function.
10006         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
10007         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
10008         (vect_analyze_pointer_ref_access): Check that the initial condition of
10009         the access function is loop invariant.
10010
10011 2005-01-09  Richard Henderson  <rth@redhat.com>
10012
10013         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
10014         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
10015         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
10016         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
10017         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
10018         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
10019         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
10020         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
10021         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
10022         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
10023         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
10024         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
10025         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
10026         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
10027         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
10028         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
10029         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
10030         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
10031         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
10032         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
10033         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
10034         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
10035         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
10036         mmx_ prefix.
10037         (mmx_clrdi, pavgusb): Remove.
10038         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
10039         with leading sse_ prefix.
10040         * config/i386/sse.md: Receive them.
10041         * config/i386/mmx.md: New file.
10042         (MMXMODE12, MMXMODE24, mmxvecsize): New.
10043         (subrv2sf3): Turn into expander for normal subtraction.
10044         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
10045         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
10046         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
10047         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
10048         commutative; use ix86_binary_operator_ok.
10049         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
10050         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
10051         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
10052         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
10053         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
10054         Macroize from existing patterns; use ix86_binary_operator_ok.
10055         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
10056         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
10057         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
10058         with vec_select+vec_concat.
10059         (mmx_pshufw, mmx_pshufw_1): Likewise.
10060         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
10061         (mmx_uavgv4hi3): Model correctly.
10062         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
10063         _mm_xor_si64): Remove casts.
10064
10065 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
10066
10067         PR tree-optimization/19224
10068         * tree-scalar-evolution.c (get_instantiated_value,
10069         set_instantiated_value): New functions.
10070         (instantiate_parameters_1): Cache the results.
10071         (instantiate_parameters, resolve_mixers): Initialize and free
10072         the cache.
10073
10074 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
10075
10076         * config/i386/i386.md (addhi_4): Correct reference in comment.
10077         (addqi_4): Same.
10078
10079 2005-01-08  Richard Henderson  <rth@redhat.com>
10080
10081         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
10082         (_mm_cvtsi128_si64x): Likewise.
10083         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
10084         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
10085         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
10086         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
10087         * config/i386/i386-protos.h: Update.
10088         * config/i386/i386.c (print_operand): Add 'H'.
10089         (ix86_fixup_binary_operands): Split out from ...
10090         (ix86_expand_binary_operator): ... here.
10091         (ix86_fixup_binary_operands_no_copy): New.
10092         (ix86_expand_fp_absneg_operator): Handle vector mode results.
10093         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
10094         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
10095         (safe_vector_operand): Use CONST0_RTX.
10096         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
10097         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
10098         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
10099         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
10100         special cases.
10101         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
10102         (IX86_BUILTIN_CMPNGESS): New.
10103         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
10104         (attr type): Add sselog1.
10105         (attr unit, attr memory): Handle it.
10106         (movti, movti_internal, movti_rex64): Move near other integer moves.
10107         (movtf, movtf_internal): Move near other fp moves.
10108         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
10109         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
10110         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
10111         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
10112         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
10113         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
10114         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
10115         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
10116         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
10117         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
10118         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
10119         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
10120         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
10121         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
10122         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
10123         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
10124         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
10125         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
10126         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
10127         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
10128         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
10129         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
10130         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
10131         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
10132         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
10133         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
10134         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
10135         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
10136         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
10137         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
10138         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
10139         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
10140         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
10141         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
10142         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
10143         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
10144         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
10145         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
10146         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
10147         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
10148         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
10149         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
10150         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
10151         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
10152         same time.
10153         (SSEPUSH, push<SSEPUSH>): Remove.
10154         (MMXPUSH, push<MMXPUSH>): Remove.
10155         (sse_movaps, sse_movaps_1, sse_movups): Remove.
10156         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
10157         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
10158         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
10159         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
10160         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
10161         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
10162         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
10163         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
10164         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
10165         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
10166         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
10167         (ppro_sse_log_V4SF): Handle sselog1.
10168         * config/i386/predicates.md (const_0_to_1_operand): New.
10169         (const_0_to_255_mul_8_operand): New.
10170         (const_1_to_31_operand): Rename from const_int_1_31_operand.
10171         (const_2_to_3_operand, const_4_to_7_operand): New.
10172         * config/i386/sse.md: New file.
10173         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
10174         (sse_movups): Rename from sse_movups_1.
10175         (sse_loadlss): Rename from sse_loadss_1.
10176         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
10177         from the name.
10178         (negv4sf2): Use ix86_expand_fp_absneg_operator.
10179         (absv4sf2, negv2df, absv2df): New.
10180         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
10181         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
10182         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
10183         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
10184         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
10185         (sse3_addsubv4sf3): Model correctly.
10186         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
10187         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
10188         (sse_movhlps): Model with vec_select+vec_concat.
10189         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
10190         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
10191         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
10192         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
10193         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
10194         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
10195         sse2_pshufhw_1): Likewise.
10196         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
10197         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
10198         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
10199         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
10200         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
10201         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
10202         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
10203         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
10204         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
10205         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
10206         sminv8hi3): Mark commutative
10207         operands.  Use ix86_binary_operator_ok.
10208         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
10209         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
10210         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
10211         sse2_punpcklqdq): Allow operand2 in memory.
10212         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
10213         sse2_movsd): Add memory alternatives.
10214         (sse_storelps): Turn expander into an insn; split after reload.
10215         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
10216         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
10217
10218 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10219
10220         * configure.ac (DWARF-2 debug_line): Use objdump.
10221         * configure: Regenerate.
10222
10223 2005-01-08  Jeff Law  <law@redhat.com>
10224             Diego Novillo  <dnovillo@redhat.com>
10225
10226         PR tree-optimization/18241
10227         * tree-nrv.c (tree_nrv): Ignore volatile return values.
10228         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
10229         statements with volatile operands.
10230         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
10231         operands after marking a statement with has_volatile_ops.
10232
10233 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10234
10235         * tree.c (int_fits_type_p): Always honor integer constant
10236         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
10237
10238 2005-01-08  Roger Sayle  <roger@eyesopen.com>
10239
10240         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
10241         the latent bug in rtl_delete_block has been resolved.
10242
10243 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10244
10245         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
10246         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
10247
10248 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
10249
10250         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
10251         library as @multilib_dir@/$(SHLIB_SONAME).
10252
10253 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10254
10255         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
10256         * configure: Regenerate.
10257
10258 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10259
10260         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
10261         TYPE_MODE.
10262
10263 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
10264
10265         PR target/13674
10266         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
10267         Convert non-word aligned offset address using ld/std into
10268         indirect address.
10269
10270 2005-01-07  Richard Henderson  <rth@redhat.com>
10271
10272         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
10273
10274 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
10275
10276         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
10277
10278 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
10279
10280         PR tree-optimization/19283
10281         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
10282         is not shorter than the original type.
10283
10284         PR rtl-optimization/19012
10285         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
10286
10287         PR rtl-optimization/18861
10288         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
10289         (FULL_STATE): Define.
10290         (mark_tablejump_edge): New function.
10291         (purge_dead_tablejump_edges): New function.
10292         (find_bb_boundaries): Use it.
10293
10294         PR tree-optimization/18828
10295         * builtins.c (expand_builtin_next_arg): Remove argument and all
10296         the argument checking.
10297         (expand_builtin): Adjust caller.
10298         (expand_builtin_va_start): Likewise.  Remove error for too many
10299         arguments.
10300         (fold_builtin_next_arg): Issue error for too many arguments.
10301         After checking arguments, replace them with magic arguments that
10302         prevent further checking of the args.
10303
10304 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10305
10306         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
10307
10308 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10309
10310         PR target/6077
10311         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
10312         and %{.S:...} (and their negative variants) to test whether the
10313         input file is assembler or pre-processed-assembler independent of
10314         the actual filename extension.
10315
10316 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10317
10318         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
10319         of sign or zero extended values.
10320
10321 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
10322
10323         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
10324         for IBM long double format correctly.
10325
10326 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
10327
10328         Fix PR tree-optimization/18792
10329
10330         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
10331         to first_loop_depth, and use loop depth instead of loop number.
10332         (build_classic_dir_vector): Ditto.
10333         (compute_data_dependences_for_loop): Use depth, not loop number.
10334         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
10335         number. Pass in loops, instead of loop numbers.
10336         (gather_interchange_stats): Ditto.
10337         (linear_transform_loops): Ditto.
10338
10339 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
10340
10341         PR rtl-opt/13299
10342         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
10343         biv_fits_mode_p, extension_within_bounds_p): New functions.
10344         (check_ext_dependent_givs): Use them.
10345
10346 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10347
10348         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
10349         more than one barrier, in which case we should delete them all.
10350
10351 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
10352
10353         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
10354
10355 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
10356
10357         Fix PR middle-end/19286
10358         Fix PR debug/19267
10359         * dwarf2out.c (gen_subprogram_die): If we've already tried to
10360         output this subprogram, simply ignore this attempt to do it again.
10361         (add_abstract_origin_attribute): Don't abort trying to add the abstract
10362         origin attribute if it's not possible.
10363         (gen_block_die): Don't ignore subblocks of "unused" blocks.
10364         (decls_for_scope): Ditto.
10365         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
10366         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
10367
10368 2005-01-05  Richard Henderson  <rth@redhat.com>
10369
10370         PR target/11327
10371         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
10372         (bdesc_2arg): Use it.
10373         (ix86_expand_binop_builtin): Force operands into registers
10374         when optimizing.
10375         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
10376         ix86_expand_sse_compare, ix86_expand_sse_comi,
10377         ix86_expand_builtin): Likewise.
10378
10379 2005-01-05  Richard Henderson  <rth@redhat.com>
10380
10381         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
10382         and VEC_SELECT.
10383         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
10384         (mulv4hi3): Set itanium_class mmmul.
10385         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
10386         (fpack): Rename from fpack_sfsf.
10387
10388 2005-01-05  Richard Henderson  <rth@redhat.com>
10389
10390         PR rtl-opt/10692
10391         * reload1.c (do_input_reload): Restrict the optimization deleteing
10392         a previous output reload to RELOAD_FOR_INPUT.
10393
10394 2005-01-05  Steven Bosscher  <stevenb@suse.de>
10395
10396         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
10397         comment that we fall through after case.
10398         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
10399         (distribute_links): Likewise.
10400         * cse.c (cse_insn): Likewise.
10401         * cselib.c (cselib_invalidate_mem): Likewise.
10402         * df.c: Update comments at the top of the file.
10403         (read_modify_subreg_p): Update comments here too.
10404         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
10405         * flow.c (mark_set_1): Likewise.
10406         (mark_used_regs): Likewise.
10407         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10408         (canon_list_insert): Likewise.
10409         (mark_set): Likewise.
10410         (try_replace_reg): Likewise.
10411         (store_killed_in_insn): Likewise.
10412         * loop.c (count_one_set): Likewise.
10413         (basic_induction_var): Likewise.
10414         * postreload-gcse.c (find_mem_conflicts): Likewise.
10415         * postreload.c (reload_combine_note_store): Likewise.
10416         (move2add_note_store): Likewise.
10417         * reload.c (find_equiv_reg): Likewise.
10418         (mark_referenced_resources): Likewise.
10419         * rtlanal.c (set_noop_p): Likewise.
10420         (note_stores): Likewise.
10421         (note_uses): Likewise.
10422         * sched-deps.c (sched_analyze_1): Likewise.
10423         * sched-rgn.c (check_live_1): Likewise.
10424         (update_live_1): Likewise.
10425         * config/i860/i860.c: Likewise.
10426
10427         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
10428         an lvalue.
10429         (ZERO_EXTRACT): Mention that this one can be an lvalue.
10430
10431         * doc/rtl.texi: Update documentation for bit-fields and SET.
10432
10433 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10434
10435         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
10436
10437 2005-01-05  Jan Hubicka  <jh@suse.cz>
10438             Richard Henderson  <rth@redhat.com>
10439
10440         PR target/18910
10441         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
10442         with an offset.
10443
10444 2005-01-05  Richard Henderson  <rth@redhat.com>
10445
10446         PR target/12902
10447         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
10448         (sse_shufps): Change operand 3 to const_int_operand.
10449         (sse2_storelps): Fix typo in template.
10450         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
10451         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
10452         (ix86_expand_builtin): Likewise.
10453
10454 2005-01-05  Julian Brown  <julian@codesourcery.com>
10455
10456         * config/arm/arm.c (arm_return_in_memory): Treat complex types
10457         as aggregates for AAPCS ABIs.
10458
10459 2005-01-05  Stan Shebs  <shebs@apple.com>
10460
10461         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
10462         Mach-O getters if ppc64.
10463         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
10464         size argument.
10465         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
10466         signed four-byte field for global code case.
10467         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
10468
10469 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10470
10471         PR middle-end/19100
10472         * c-common.c: Include real.h.
10473         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
10474         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
10475         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
10476         * Makefile.in (c-common.o): Update dependencies.
10477
10478 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10479
10480         * c-parse.in (asm_string): Add trailing semicolon.
10481
10482 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10483
10484         * c-parse.in (asm_string): New.  Don't allow wide strings in
10485         'asm'.
10486         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
10487         asm_string instead of STRING.
10488
10489 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10490
10491         * c-typeck.c (constructor_no_implicit): Remove.
10492         (set_designator, process_init_element): Don't check
10493         constructor_no_implicit.
10494
10495 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
10496             Kaz Kojima  <kkojima@gcc.gnu.org>
10497
10498         PR target/16482
10499         * lcm.c (create_pre_exit): New.
10500         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
10501         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
10502
10503 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10504
10505         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
10506         -msoft-float in target_float_switch.
10507         * arm.c (arm_override_options): Fix processing of target_float_switch.
10508
10509 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10510
10511         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
10512         preferencing.
10513
10514 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
10515
10516         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
10517         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
10518
10519 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10520
10521         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
10522         if deleting the then-block allows the test-block to fallthru to the
10523         else-block.
10524
10525 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
10526
10527         PR c/19152
10528         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
10529         after the full declaration if the are in two different TUs.
10530
10531 2005-01-04  Richard Henderson  <rth@redhat.com>
10532
10533         PR tree-opt/19158
10534         * tree-sra.c (generate_one_element_init): Just
10535         call gimplify_and_add.
10536         (generate_element_init): Record the
10537         new referenced variables and mark them for renaming
10538         and split out to ...
10539         (generate_element_init_1): This.
10540         (scalarize_init): Don't call push_gimplify_context/
10541         pop_gimplify_context.
10542
10543 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
10544
10545         * toplev.c (get_src_pwd): Handle failure of getpwd().
10546
10547 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10548
10549         * fold-const.c (fold_single_bit_test): Delete unreachable handling
10550         of TRUTH_NOT_EXPR.
10551         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
10552         all the cases handled by it are inverted by invert_truthvalue.
10553
10554 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10555
10556         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
10557         (save_register_windowsi): Likewise.
10558
10559 2005-01-04  Richard Henderson  <rth@redhat.com>
10560
10561         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
10562
10563 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10564
10565         PR middle-end/17767
10566         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
10567         any simplifications of vector mode comparison operators.
10568         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
10569
10570 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
10571             Devang Patel  <dpatel@apple.com>
10572
10573         PR tree-optimization/18308
10574         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
10575         the operands before creating a new expression.
10576         * dojump.c (do_jump): Make drop_through_label available
10577         for all cases.  Add expansion of COND_EXPR.
10578
10579 2005-01-04  Ira Rosen  <irar@il.ibm.com>
10580
10581         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
10582         INTEGER_CST instead of TREE_CONSTANT.
10583         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
10584         instead of TREE_CONSTANT.
10585         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
10586         instead of TREE_CONSTANT.
10587
10588 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10589
10590         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
10591
10592 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10593
10594         PR target/19240
10595         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
10596         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
10597
10598 2005-01-03  Richard Henderson  <rth@redhat.com>
10599
10600         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
10601         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
10602         fold_convert_const_real_from_real): Split out from ...
10603         (fold_convert_const): ... here.
10604
10605 2005-01-03  Richard Henderson  <rth@redhat.com>
10606
10607         PR target/19235
10608         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
10609         (mov<MMXMODEI>_internal): Likewise.
10610         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
10611         Add V2SF case; use it for SSE1; don't use TI.
10612         (movdf_integer): Likewise.
10613         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
10614
10615 2005-01-03  Ira Rosen  <irar@il.ibm.com>
10616
10617         * tree-vectorizer.c (vect_strip_conversions): New function.
10618         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
10619         check for binary class.
10620
10621 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
10622
10623         Fix PR debug/17924
10624         Fix PR debug/19191
10625         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
10626         is a decl.
10627         * gimple-low.c (mark_blocks_with_used_vars): New function.
10628         (mark_blocks_with_used_subblocks): Ditto.
10629         (mark_used_blocks): Ditto.
10630         (pass_mark_used_blocks): New pass.
10631         * tree-inline.c: Include debug.h.
10632         (expand_call_inline): Call outlining_inline_function here.
10633         * tree-optimize.c (init_tree_optimization_passes): Add
10634         pass_mark_used_blocks.
10635         * tree-pass.h (pass_mark_used_blocks): New.
10636         * Makefile.in (tree-inline.o): Add debug.h dependency.
10637
10638 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
10639
10640         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
10641         VAR_DECLs to have weak_import attribute.
10642
10643         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
10644         'struct ucontext'.
10645
10646 2004-01-03  Steven Bosscher  <stevenb@suse.de>
10647
10648         * passes.c (rest_of_compilation): Don't run regmove if only
10649         flag_expensive_optimizations, require flag_regmove instead.
10650
10651 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10652
10653         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
10654         register "sparc".
10655         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
10656         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10657         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
10658         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10659
10660 2005-01-03  Richard Henderson  <rth@redhat.com>
10661
10662         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
10663         (ia64_const_ok_for_letter_p): New.
10664         (ia64_const_double_ok_for_letter_p): New.
10665         (ia64_extra_constraint): New.
10666         (ia64_expand_vecint_compare): New.
10667         (ia64_expand_vcondu_v2si): New.
10668         (ia64_expand_vecint_cmov): New.
10669         (ia64_expand_vecint_minmax): New.
10670         (ia64_print_operand): Add 'v'.
10671         (ia64_preferred_reload_class): New.
10672         (ia64_vector_mode_supported_p): New.
10673         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
10674         (PREFERRED_RELOAD_CLASS): Move to function.
10675         (CONST_OK_FOR_LETTER_P): Move to function.
10676         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
10677         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
10678         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
10679         (EXTRA_CONSTRAINT): Move to function.
10680         * config/ia64/ia64.md: Include vect.md.
10681         (itanium_class): Add mmalua.
10682         (type): Handle it.
10683         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
10684         (1b_mmalua): New.
10685         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
10686         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
10687         CONST0_RTX.
10688         (const_int_2bit_operand): New.
10689         (fr_reg_or_0_operand): New.
10690         * config/ia64/ia64-modes.def: Add vector modes.
10691         * config/ia64/ia64-protos.h: Update.
10692         * config/ia64/vect.md: New file.
10693
10694 2005-01-03  Richard Henderson  <rth@redhat.com>
10695
10696         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
10697
10698 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10699
10700         PR target/19236
10701         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10702         to SFmode.
10703         (log1pdf2): Change mode of operands[0,1] to DFmode.
10704
10705 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10706
10707         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10708         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10709         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10710         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10711         SPARC_RELAXED_ORDERING.
10712
10713 2005-01-03  Richard Henderson  <rth@redhat.com>
10714             Uros Bizjak  <uros@kss-loka.si>
10715
10716         PR target/14631
10717         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10718         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10719         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10720         handling.
10721         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10722         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10723         const_pow2_1_to_128_operand): New predicates.
10724
10725 2005-01-02  Greg McGary  <greg@mcgary.org>
10726
10727         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10728         anonymous decls.
10729         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10730         object.  [ptr_type]: Remove unused variable.
10731         Remember nearest addressable array-element or record-component
10732         when checking bitfield components.  Tolerate empty BIND_EXPR.
10733
10734 2005-01-01  Richard Henderson  <rth@redhat.com>
10735
10736         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10737         that don't narrow the value.  Fail for other conversions.
10738
10739 2005-01-01  Richard Henderson  <rth@redhat.com>
10740
10741         PR c/19031
10742         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10743         * c-lang.c (finish_file): Don't do it here.
10744         * objc/objc-act.c (objc_finish_file): Likewise.
10745
10746         * cgraph.c (decl_assembler_name_equal): New.
10747         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10748         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10749         * cgraph.h (struct cgraph_varpool_node): Add next.
10750         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10751         * varasm.c (assemble_alias): Mark the target as needed.
10752
10753 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10754
10755         PR middle-end/19221
10756         * function.c (get_arg_pointer_save_area): Use entry_of_function
10757         instead of get_insns.
10758
10759 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10760             Andrew Pinski  <pinskia@physics.uc.edu>
10761             James E. Wilson  <wilson@specifixinc.com>
10762
10763         PR rtl-optimization/12092
10764         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10765         is zero.
10766
10767 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10768             Olivier Hainque  <hainque@act-europe.fr>
10769
10770         * tree.c (int_fits_type_p): A narrower type always fits in a
10771         wider one, except for negative values into unsigned types.
10772
10773 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10774
10775         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10776         with the original constant rather than require TREE_OVERFLOW.
10777
10778 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10779
10780         PR middle-end/17544
10781         * c-decl.c (finish_function): If compiling C99, annotate the
10782         compiler generated return with the current file name and line 0.
10783         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10784         the source line is greater than 0.
10785         (remove_bb): Likewise.