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* domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * basic-block.h (basic_block_def): Add phi_nodes and
4         predictions.  Remove tree_annotations.
5         * predict.c (tree_predicted_by_p, tree_predict_edge,
6         combine_predictions_for_bb): Adjust references to predictions.
7         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
8         create_block_annotation.
9         (create_block_annotation, free_blocks_annotatios,
10         clear_blocks_annotations): Remove.
11         (dump_cfg_stats): Don't print out the memory spent on
12         bb_ann_d.
13         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
14         * tree-flow-inline.h (bb_ann): Remove.
15         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
16         * tree-flow.h (bb_ann_d): Remove.
17         * tree-if-conv.c (process_phi_nodes): Update a reference to
18         phi_nodes.
19         * tree-phinodes.c (reserve_phi_args_for_new_edge,
20         create_phi_node, remove_phi_node): Likewise.
21         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
22         * tree-ssa-dom.c (threaded_blocks): New.
23         (tree_ssa_dominator_optimize): Initialize, clear, and free
24         threaded_blocks. Update a call to thread_through_all_blocks.
25         (thread_across_edge): Use threaded_blocks instead of setting
26         incoming_edge_threaded.
27         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
28         a bitmap of blocks that are threaded through.
29         * tree.h: Move the prototype of threaded_through_blocks to
30         tree-flow.h.
31
32         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
33         fini_walk_dominator_tree): Use VEC instead of VARRAY.
34         * domwalk.h (dom_walk_data): Change the type of
35         block_data_stack and free_block_data to VEC(void_p,heap)*.
36         * tree-ssa-dse.c (dse_initialize_block_local_data,
37         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
38         VEC instead of VARRAY.
39
40 2005-05-27  Jan Hubicka  <jh@suse.cz>
41
42         * cgraph.c: Include tree-gimple.h
43         (cgraph_edge): Rename expr to stmt.
44         (cgraph_create_edge): Likewise.
45         (cgraph_clone_node): Likewise.
46         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
47         * cgraphunit.c (record_call_1): Rename to ...
48         (record_reference): ... this one; do not build edges.
49         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
50         (current_basic_block): Kill.
51         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
52         (verify_cgraph_node): Likewise.
53         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
54         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
55         (copy_edges_for_bb): Simplify EH handling.
56         (expand_call_inline): Pass statement to cgraph_edge and
57         cgraph_create_edge.
58
59 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
60
61         * tree-inline.c (copy_body_r): Manually fold *& to deal
62         with ADDR_EXPRs with mismatched types for now.
63
64         * gimplify.c (fold_indirect_ref_rhs): New function.
65         (gimplify_modify_expr_rhs): Use it instead of pessimistic
66         fold_indirect_ref.
67
68         * fold-const.c (fold_indirect_ref_1): Add type argument;
69         make sure the resulting expression is of this type.
70         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
71
72 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
73
74         PR tree-optimization/21658
75         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
76         fold_binary_to_constant.  Likewise, call fold_unary instead of
77         fold_unary_to_constant.
78
79 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
80
81         * vec.h: Implement integral type vector specialization.
82         (VEC_T): Define a non-GTY structure.
83         (VEC_T_GTY): Define a GTY structure.
84         (VEC_TA): Rename to ...
85         (VEC_TA_GTY): ... here.
86         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
87         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
88         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
89         DEF_VEC_P and DEF_VEC_ALLOC_P.
90         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
91         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
92         DEF_VEC_O and DEF_VEC_ALLOC_O.
93         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
94         * lambda-code.c: Likewise.
95         * tree-into-ssa.c: Likewise.
96         * tree-ssa-live.c: Likewise.
97
98 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
99
100         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
101         is up-to-date.
102         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
103         update_stmt_if_modified before calling update_ssa.
104
105 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
106
107         * config/rs6000/t-rtems: Remove roe multilib variant.
108
109 2005-05-26  Roger Sayle  <roger@eyesopen.com>
110
111         PR tree-optimization/9814
112         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
113         instruction, add the necessary clobbers by re-expanding the RTL
114         for arithmetic operations via optab.c's expand_unop/expand_binop.
115         (noce_try_bitop): New function to optimize bit manipulation idioms
116         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
117         (noce_process_if_block): Call noce_try_bitop.
118
119 2005-05-26  Roger Sayle  <roger@eyesopen.com>
120
121         * reg-stack.c (convert_regs_entry, convert_regs_exit,
122         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
123         (reg_to_stack): Move to end of the file.  Initialize the per
124         basic block information here, instead of...
125         (convert_regs_entry): Here.
126         (convert_regs): Change unused return type to void.
127
128 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
129
130         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
131         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
132         config/rs6000/eabispe.h, config/rs6000/lynx.h,
133         config/sh/elf.h, config/sh/symbian-pre.h,
134         config/sparc/sparc-protos.h: Update copyright.
135
136 2005-05-26  Mike Stump  <mrs@apple.com>
137
138         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
139         for Objective-C++.
140         
141 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
142
143         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
144         See through ADDR_EXPR in finding place to propagate into.
145
146 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
147
148         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
149         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
150         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
151         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
152         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
153         tree-ssa-operands.c, tree-vect-analyze.c,
154         tree-vect-transform.c, tree-vectorizer.c, tree.c,
155         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
156         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
157         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
158         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
159         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
160         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
161         config/sh/ushmedia.h, config/sparc/sparc.c,
162         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
163         typos.  Follow spelling conventions.
164         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
165         Follow spelling conventions.
166
167 2005-05-26  David Ung  <davidu@mips.com>
168
169         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
170         that determines whether the MIPS32/64 R2 ext/ins should be used.
171         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
172         * config/mips/mips.md (extzv): Changed predicate for operand to
173         nonimmediate_operand. Add code to generate insn patterns for
174         extzvsi and extzvdi.
175         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
176         (insv): Similarly for insertion.
177         (insv<mode>): Similarly.
178
179 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
180
181         * simplify-rtx.c (avoid_constant_pool_reference): Support
182         offsetted addresses in the constant pool.
183
184 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
185
186         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
187         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
188
189 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
190
191         PR target/21716
192         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
193         found in the basic block and last insn in the basic block is not
194         INSN_P.  Remove explicit unspec numbers that are no longer valid
195         from comments.
196
197 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
198
199         * tree-vect-transform.c (vectorizable_operation): Try word_mode
200         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
201         if a vector mode is available.
202
203 2005-05-25  Roger Sayle  <roger@eyesopen.com>
204
205         PR middle-end/21709
206         * fold-const.c (const_binop): Check for division by zero during
207         complex division.
208
209 2005-05-26  Ian Lance Taylor  <ian@airs.com>
210
211         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
212         having a declaration after a statement.
213
214 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
215
216         * opt-functions.awk (var_type): New function.
217         (var_set): Use CLVC_STRING if var_type returns "const char *".
218         * opth-gen.awk: Use var_type to find out the types of variables.
219         Don't print comments above each "extern" definition.
220         * optc-gen.awk: Use var_type in the same way.
221         * opts.h (cl_var_cond): Rename to...
222         (cl_var_type): ...this.  Add CLVC_STRING.
223         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
224         with "var_type".
225         * opts.c (handle_option, option_enabled): Update after above name
226         change.  Cast flag_var before using it.  Handle CLVC_STRING.
227         
228         * config/alpha/alpha.h (alpha_tls_size): Delete.
229         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
230         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
231         (alpha_fptm_string, alpha_mlat_string): Delete.
232         (alpha_handle_option): Don't set the above variables here.  Use the
233         integer argument to check the validity of -mtls-size=.
234         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
235         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
236         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
237         variable to 32.
238
239         * config/arc/arc.c (arc_cpu_string, arc_text_string)
240         (arc_data_string, arc_rodata_string): Delete.
241         (arc_handle_option): Don't set the above variables here.
242         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
243         and initialize them.
244
245         * config/arm/arm.c (target_fpu_name, target_fpe_name)
246         (target_float_abi_name, target_abi_name, structure_size_string)
247         (arm_pic_register_string): Delete.
248         (arm_handle_option): Don't set the above variables here, except
249         in the handling of -mhard-float and -msoft-float.
250         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
251         (mpic-register=, mstructure-size-boundary=): Add Var()s.
252
253         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
254         (avr_handle_option): Delete.
255         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
256         them.
257
258         * config/bfin/bfin.c (bfin_library_id): Delete.
259         (bfin_handle_option): Don't set it.
260         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
261
262         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
263         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
264         (c4x_handle_option): Don't set c4x_rpts_cycles here.
265         * config/c4x/c4x.opt (mrpts=): Add Var().
266
267         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
268         cris_elinux_stacksize_str here.
269         * config/cris/aout.opt (melinux-stacksize=): Add Var().
270         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
271         (cris_tune_str, cris_elinux_stacksize_str): Delete.
272         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
273         (cris_tune_str, cris_elinux_stacksize_str): Delete.
274         (cris_handle_option): Don't set the above variables here.
275         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
276         (max-stackframe=): Add Var()s.
277
278         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
279         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
280         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
281         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
282         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
283         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
284         (ix86_handle_option): Don't set the above variables here.
285         * config/i386/i386.opt (malign-functions=, malign-jumps=)
286         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
287         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
288         Var()s.
289
290         * config/ia64/ia64.h (ia64_tls_size): Delete.
291         * config/ia64/ia64.c (ia64_tls_size): Delete.
292         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
293         reading the integer argument from the "value" parameter.  Don't
294         set ia64_tls_size here.
295         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
296         Add Var() and Init().
297
298         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
299         (m32r_cache_flush_trap): Delete.
300         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
301         (m32r_cache_flush_trap): Delete.
302         (m32r_handle_option): Don't set the above variables when handling
303         -mflush-func= and -mflush-trap=.
304         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
305         and Init()s.
306
307         * config/mips/mips.h (mips_cache_flush_func): Delete.
308         * config/mips/mips.c (mips_arch_string, mips_tune_string)
309         (mips_cache_flush_func): Delete.
310         (mips_handle_option): Don't set the above variables when handling
311         -march=, -mtune= and -mflush-func=.
312         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
313
314         * config/s390/s390.c (s390_arch_string): Delete.
315         (s390_handle_option): Don't set it here.
316         * config/s390/s390.opt (march=): Add Var().
317
318         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
319         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
320         (sparc_handle_option): Don't set it here.
321         * config/sparc/sparc.opt (mcmodel=): Add Var().
322
323 2005-05-25  Roger Sayle  <roger@eyesopen.com>
324
325         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
326         call to convert_to_integer by building the NOP_EXPR directly.
327
328 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
329
330         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
331
332 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
333             Jeff Law  <law@redhat.com>
334
335         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
336         constant and side_effects of the ADDR_EXPR are consistent.
337
338         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
339         appropriately around calls to recompute_tree_invarant_for_addr_expr.
340
341 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
342
343         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
344         (s390_function_arg, s390_gimplify_va_arg): Use them.
345         (s390_register_info): Save only required subset of argument
346         registers into save area for va_list.
347         (s390_va_start): Initialize only required elements of va_list struct.
348         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
349
350 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
351
352         * reload1.c (verify_initial_elim_offsets): Return boolean status
353         instead of aborting.
354         (reload): Adapt verify_initial_elim_offsets call site.  Restart
355         main loop if some initial elimination offsets changed.
356
357 2005-05-25  Adam Nemet  <anemet@lnxw.com>
358
359         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
360         of -mno-svr4-struct-return.
361
362 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
363
364         Fix PR tree-optimization/21705
365         
366         * tree-ssa-pre.c (in_fre): New static variable.
367         (create_value_expr_from): Recursively value number reference ops
368         in argument lists.
369         (can_value_number_call): Temporary restrict only exists for
370         PRE, not FRE.
371
372 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
373
374         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
375         sizeof (bitmap *) with sizeof (bitmap).
376
377 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
378
379         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
380         condition.
381
382 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
383
384         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
385         hook_bool_rtx_true.
386
387 2005-05-25  Jan Hubicka  <jh@suse.cz>
388
389         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
390         * cgraph.c (cgraph_create_node): Reset estimated_growth.
391         * cgraph.h (cgraph_global_info): Add estimated_growth.
392         * ipa-inline.c: Include coverage.h
393         (max_insns, max_count): New static variables.
394         (cgraph_estimate_size_after_inlining): Cache the result.
395         (cgraph_estimate_growth):
396         * passes.c (rest_of_clean_state): Kill coverage_end_function.
397         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
398         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
399         inlining.
400         (ipa_passes): Initialize bitmaps.
401
402 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
403
404         * loop-doloop.c: Include "target.h". 
405           (doloop_valid_p): Move tests to function in targhooks.c.
406         * target.h (struct gcc_target): New target hook
407           "insn_valid_within_doloop".
408         * target-def.h: Define default value for "insn_valid_within_doloop".
409           (TARGET_INITIALIZER): Insert new target hook into initializer.
410         * targhooks.c (default_insn_valid_within_doloop): New function.
411         * targhooks.h (default_insn_valid_within_doloop): Declare.
412         * hooks.c (hook_bool_rtx_true): New function.
413         * hooks.h (hook_bool_rtx_true): Declare.
414         * doc/tm.texi: Add documentation for new target hook.
415
416 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
417
418         PR target/21412
419         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
420         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
421         (sparc_tls_referenced_p): New prototype.
422         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
423         (sparc_expand_move): Look for TLS addresses with constant offsets.
424         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
425         tls_symbolic_operand.
426         (legitimate_pic_operand_p): Likewise.
427         (legitimate_address_p): Likewise.
428         (legitimize_address): Likewise.
429         (sparc_tls_symbol_ref_1): New function.
430         (sparc_tls_referenced_p): New function.
431         * config/sparc/predicates.md (tgd_symbolic_operand): Use
432         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
433         (tld_symbolic_operand): Likewise.
434         (tie_symbolic_operand): Likewise.
435         (tle_symbolic_operand): Likewise.
436
437 2005-05-24  DJ Delorie  <dj@redhat.com>
438         
439         * common.opt (-Wattributes): New.  Default true.
440         * doc/invoke.texi (-Wno-attributes): Document.
441         
442         * attribs.c (decl_attributes): Move warning control from if() to
443         warning(OPT_*).
444         * c-common.c (handle_packed_attribute): Likewise.
445         (handle_nocommon_attribute): Likewise.
446         (handle_common_attribute): Likewise.
447         (handle_noreturn_attribute): Likewise.
448         (handle_noinline_attribute): Likewise.
449         (handle_always_inline_attribute): Likewise.
450         (handle_used_attribute): Likewise.
451         (handle_unused_attribute): Likewise.
452         (handle_const_attribute): Likewise.
453         (handle_transparent_union_attribute): Likewise.
454         (handle_constructor_attribute): Likewise.
455         (handle_destructor_attribute): Likewise.
456         (handle_mode_attribute): Likewise.
457         (handle_alias_attribute): Likewise.
458         (handle_visibility_attribute): Likewise.
459         (handle_tls_model_attribute): Likewise.
460         (handle_malloc_attribute): Likewise.
461         (handle_returns_twice_attribute): Likewise.
462         (handle_pure_attribute): Likewise.
463         (handle_deprecated_attribute): Likewise.
464         (handle_vector_size_attribute): Likewise.
465         (handle_nothrow_attribute): Likewise.
466         (handle_cleanup_attribute): Likewise.
467         (handle_warn_unused_result_attribute): Likewise.
468         (handle_sentinel_attribute): Likewise.
469         * c-decl.c (diagnose_mismatched_decls): Likewise.
470         (start_decl): Likewise.
471         (grokdeclarator): Likewise.
472         (start_function): Likewise.
473         * c-format.c (check_function_format): Likewise.
474         * stor-layout.c (place_field): Likewise.
475         (finalize_record_size): Likewise.
476         * tree.c (handle_dll_attribute)): Likewise.
477         * varasm.c (default_assemble_visibility): Likewise.
478         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
479         (darwin_assemble_visibility): Likewise.
480         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
481         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
482         (arm_handle_isr_attribute): Likewise.
483         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
484         (avr_handle_fndecl_attribute): Likewise.
485         * config/bfin/bfin.c (handle_int_attribute): Likewise.
486         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
487         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
488         (h8300_handle_eightbit_data_attribute): Likewise.
489         (h8300_handle_tiny_data_attribute): Likewise.
490         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
491         (ix86_handle_regparm_attribute): Likewise.
492         (ix86_handle_struct_attribute): Likewise.
493         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
494         (i386_pe_encode_section_info): Likewise.
495         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
496         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
497         (ip2k_handle_fndecl_attribute): Likewise.
498         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
499         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
500         (m68hc11_handle_fntype_attribute): Likewise.
501         (m68hc11_encode_section_info): Likewise.
502         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
503         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
504         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
505         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
506         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
507         (sh_handle_sp_switch_attribute): Likewise.
508         (sh_handle_trap_exit_attribute): Likewise.
509         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
510         (sh_symbian_handle_dll_attribute): Likewise.
511         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
512         (xstormy16_handle_below100_attribute): Likewise.
513         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
514
515         * c-common.c (unsigned_conversion_warning): Move warning control
516         from if() to warning(OPT_*).
517         (c_common_truthvalue_conversion): Likewise.
518         (c_do_switch_warnings): Likewise.
519         * c-decl.c (diagnose_mismatched_decls): Likewise.
520         (diagnose_mismatched_decls): Likewise.
521         (define_label): Likewise.
522         (grokdeclarator): Likewise.
523         * c-format.c (check_format_info): Likewise.
524         * c-lex.c (interpret_integer): Likwise.
525         (lex_string): Likewise.
526         * c-opts.c (c_common_post_options): Likewise.
527         * c-parser.c (c_parser_unary_expression): Likewise.
528         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
529         (handle_pragma_extern_prefix): Likewise.
530         * c-typeck.c (build_binary_op): Likewise.
531         * gcse.c (is_too_expensive): Likewise.
532         * opts.c (decode_options): Likewise.
533         * stor-layout.c (place_field): Likewise.
534         * tree-cfg.c (remove_bb): Likewise.
535
536         * c.opt (-Wreturn-type): Add Var(warn_return_type).
537         * flags.h (warn_return_type): Remove.
538         * toplev.c (warn_return_type): Likewise.
539
540 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
541
542         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
543         existence of long long and __int64 before determining their size.
544         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
545         * configure, config.h.in:  Regenerate.
546
547 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
548
549         * configure: Regenerate.
550
551 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
552
553         * c-common.h (objc_comptypes): Remove prototype.
554         (objc_compare_types): New prototype.
555         (objc_volatilized_decl): Likewise.
556         (objc_type_quals_match): Likewise.
557         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
558         objc_volatilize_decl().
559         * c-typeck.c (comp_target_types): Remove third parameter; do
560         not call objc_comptypes().
561         (comptypes): Remove calls to objc_comptypes().
562         (build_function_call): Extend compatible prototype check to ObjC.
563         (build_conditional_expr): Adjust call to comp_target_types().
564         (convert_for_assignment): Call objc_compare_types() instead of
565         objc_comptypes(); adjust calls to comp_target_types(); call
566         objc_type_quals_match() before issuing qualifier mismatch
567         warnings.
568         (build_binary_op): Call objc_compare_types() before issuing
569         pointer mismatch warnings; adjust calls to
570         comp_target_types().
571         * stub-objc.c (objc_comptypes): Remove stub.
572         (objc_compare_types): New stub.
573         (objc_volatilized_decl): Likewise.
574         (objc_type_quals_match): Likewise.
575
576 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
577
578         * config/ia64/ia64intrin.h: Define nothing for C++:
579         overloaded builtins have been ported to C++.
580
581 2005-05-24  Jeff Law  <law@redhat.com>
582
583         * tree-nested.c (build_addr): New "context" argument.  Temporarily
584         set current_function_decl around the call to build the ADDR_EXPR.
585         (get_static_chain): Pass proper context to build_addr.
586         (convert_nl_goto_reference): Likewise.
587         (convert_tramp_reference): Likewise.
588         (final_nesting_tree_1): Likewise.
589         * tree-profile.c (tree_gen_interval_profiler): Likewise.
590         (tree_gen_pow2_profiler): Likewise.
591         (tree_gen_one_value_profiler): Likewise.
592         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
593         * tree.h (build_addr): Update prototype.
594
595 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
596
597         * tree-flow.h (bb_ann_d): Remove has_escape_site.
598         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
599         write to has_escape_site.
600
601 2005-05-24  Jeff Law  <law@redhat.com>
602
603         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
604         * tree-cfg.c: Include tree-ssa-propagate.h.
605         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
606         needed.
607
608 2005-05-24  Nick Clifton  <nickc@redhat.com>
609
610         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
611         __NO_FPRS__ when 'f' class registers will not be available. 
612
613 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
614
615         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
616         nothing was done.
617         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
618         nothing then FAIL.
619         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
620         prototype.
621
622 2005-05-23  Jeff Law  <law@redhat.com>
623
624         * tree-ssa-dom.c (cprop_into_stmt): Do not call
625         recompute_tree_invariant_for_addr_expr here.
626         (optimize_stmt): Call it here instead and do so if anything
627         at all has changed in the statement and the RHS is an ADDR_EXPR.
628         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
629         needed, call recompute_tree_invariant_for_addr_expr.
630         * tree-ssa-propagate.c (substitute_and_fold): Call
631         recompute_tree_invariant_for_addr_expr as needed.
632
633 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
634
635         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
636         saving less registers than the replacement.
637
638 2005-05-23  Jan Hubicka  <jh@suse.cz>
639
640         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
641
642 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
643
644         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
645         * config/sparc/sparc.c (sparc_expand_move): New function.
646         (sparc_emit_set_const64): Rewrite assert condition on entry.
647         (legitimate_constant_p) <CONST_VECTOR>: New case.
648         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
649         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
650         movV64, movtf): Use nonimmediate_operand for the first operand.
651         Rewrite.  Only invoke sparc_expand_move.
652         * config/sparc/predicates.md (input_operand): Reorder tests.
653
654 2005-05-23  Jan Beulich  <jbeulich@novell.com>
655
656         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
657         missing return statement.
658
659 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
660
661         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
662         emit_move_insn for moves to TFmode stack slots.
663
664 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
665
666         * tree-stdarg.c (execute_optimize_stdarg): Handle references
667         to va_list of the form &va[0].
668
669 2005-05-20  Jan Hubicka  <jh@suse.cz>
670
671         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
672         * genemit.c (main): Make insn-emit to include basic-block.h too.
673
674 2005-05-20  Jan Hubicka  <jh@suse.cz>
675
676         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
677
678 2005-05-19  Richard Henderson  <rth@redhat.com>
679
680         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
681         emit_store_conditional): Split out from ...
682         (alpha_split_atomic_op): ... here.
683         (alpha_split_compare_and_swap): New; extract from .md file.
684         (alpha_split_lock_test_and_set): Likewise.
685         * config/alpha/alpha-protos.h: Update.
686         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
687         split code into alpha.c.
688         (sync_lock_test_and_set<I48MODE>): Likewise.
689
690 2005-05-19  Richard Henderson  <rth@redhat.com>
691
692         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
693
694 2005-05-19  Richard Henderson  <rth@redhat.com>
695
696         * config/i386/sse.md (mulv4si3): Use all register inputs.
697         (mulv2di3): Likewise.
698
699 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
700
701         * tree-ssa-loop-ivopts.c (determine_base_object): Use
702         build_fold_addr_expr to generate trees of correct type.
703         Use fold_buildN if possible.
704
705 2005-05-19  Jan Hubicka  <jh@suse.cz>
706
707         * basic-block.h (REG_BR_PROB_BASE): Define.
708         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
709         (dump_cgraph_node): Dump count.
710         (cgraph_clone_edge): Rescale counts.
711         (cgraph_clone_node): Likewise.
712         * cgraph.h: Include basic-block.h
713         (cgraph_node): Add count.
714         (cgraph_edge): Add count and loop_nest.
715         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
716         Update prototypes.
717         * cgraphunit.c: Kill now redundant inlining comment.
718         (cgraph_create_edges): Make static, maintain current basic block;
719         fix pasto.
720         (record_call_1): Fill in new fields.
721         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
722         cgraph_clone_node.
723         (cgraph_decide_recursive_inlining): Likewise.
724         * rtl.h (REG_BR_PROB_BASE): Kill.
725         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
726         (expand_call_inline): Update call of cgraph_create_edge.
727         * tree-optimize.c (tree_rest_of_compilation): Likewise.
728
729 2005-05-19  Nick Clifton  <nickc@redhat.com>
730
731         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
732         new rs6000_explicit_options structure.
733
734 2005-05-19  Richard Henderson  <rth@redhat.com>
735
736         PR target/21390
737         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
738         TFmode code swapping ...
739         (alpha_emit_xfloating_compare): ... here.
740         (alpha_emit_setcc): Update to match.
741         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
742
743 2005-05-19  Richard Henderson  <rth@redhat.com>
744
745         PR target/21657
746         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
747         memory indirection in local-dynamic case.
748
749 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
750             Bernd Schmidt  <bernd.schmidt@analog.com>
751
752         * config/bfin/bfin.c (branch_dest): Add comment why it's
753         necessary.
754         * config/bfin/bfin.md (attr "length" default): Change the offset of
755         forward conditional branch of length 4 from 4096 to 4092.
756
757 2005-05-19  Jan Beulich  <jbeulich@novell.com>
758
759         * unwind-compat.c: Include tconfig.h and tsystem.h.
760         * unwind-dw2-fde-compat.c: Likewise.
761
762 2005-05-18  Richard Henderson  <rth@redhat.com>
763
764         PR 21541
765         * ifcvt.c (noce_process_if_block): Avoid conversion when the
766         memory destination is readonly.
767
768 2005-05-18  Richard Henderson  <rth@redhat.com>
769
770         PR 21541
771         * tree-ssa-operands.c (opf_non_specific): New.
772         (get_asm_expr_operands): Set it.
773         (add_call_clobber_ops, add_call_read_ops): Likewise.
774         (add_stmt_operand): Test it instead of opf_kill_def when
775         considering unmodifiable variables.
776
777         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
778
779 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
780
781         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
782         tree-ssa-forwprop.c: Fix comment typos.
783         * doc/invoke.texi: Fix a typo.
784
785 2005-05-18  Richard Henderson  <rth@redhat.com>
786
787         * config.gcc (powerpc-*-linux*): Include linux64.opt when
788         including linux64.h.
789
790 2005-05-18  Richard Henderson  <rth@redhat.com>
791
792         * tree-cfg.c (pass_remove_useless): Revert last change.
793         * tree-optimize.c (init_tree_optimization_passes): Initialize
794         all_lowering_passes with PROP_gimple_any.
795
796 2005-05-18  Devang Patel  <dpatel@apple.com>
797
798         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
799         the mask end.
800         
801 2005-05-18  Richard Henderson  <rth@redhat.com>
802
803         * tree-ssa-forwprop.c (cfg_changed): New.
804         (tidy_after_forward_propagate_addr): New.
805         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
806         (forward_propagate_addr_into_variable_array_index): Likewise.
807         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
808         edges were removed.
809
810 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
811
812         * dummy-checksum.c: New.
813         * genchecksum.c: New.
814         * c.opt (print_pch_checksum): New flag.
815         * c-pch.c (struct c_pch_validity): Make much shorter.
816         (no_checksum): New.
817         (host_machine): Remove.
818         (target_machine): Remove.
819         (get_ident): Change PCH version number.
820         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
821         Don't put triplets or version string in PCH validity data.
822         Do put the compiler checksum in the validity data.
823         (c_common_valid_pch): Don't check triplets or version string.  Do
824         check checksum.
825         (c_common_print_pch_checksum): New.
826         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
827         Print fingerprint with -v.
828         * c-common.h (c_common_print_pch_checksum): New.
829         (executable_checksum): New.
830         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
831         (cc1-dummy): New rule.
832         (cc1-checksum.c): New rule.
833         (cc1-checksum.o): New rule.
834         (cc1): Add checksum support.
835         (build/genchecksum): New.
836         (build/genchecksum.o): New.
837         (dummy-checksum.o): New.
838         (genobjnames): Add genchecksum.o.
839         (mostlyclean): Remove *-checksum.c.
840         (gnucompare): Add libgcc to list of directories checked.
841         Make comparison problems in libgcc/ and with checksum files only
842         be warnings.
843         * doc/invoke.texi (Precompiled Headers): Remove caution.
844         Document that it must be the exact same binary.  Add a few
845         known-safe flags to the list.
846
847         * rs6000/predicates.md (fix_trunc_dest_operand): New.
848         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
849         Check that a memory operand is valid before trying to use it.
850         
851         * tree-cfg.c (pass_remove_useless): This pass works on trees.
852
853 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
854
855         * tree.c (build1_stat): Don't try to handle two-operand
856         tree codes.
857
858 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
859
860         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
861         * config/sh/sh.h: Update mask names throughout.
862         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
863         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
864         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
865         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
866         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
867         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
868         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
869         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
870         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
871         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
872         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
873         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
874         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
875         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
876         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
877         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
878         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
879         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
880         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
881         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
882         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
883         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
884         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
885         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
886         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
887         (SUBTARGET_SWITCHES): Delete.
888         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
889         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
890         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
891         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
892         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
893         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
894         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
895         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
896         (SUPPORT_SH3): Likewise SUPPORT_SH2.
897         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
898         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
899         SUPPORT_SH4_NOFPU.
900         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
901         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
902         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
903         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
904         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
905         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
906         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
907         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
908         (SUPPORT_ANY_SH5): New macros.
909         (TARGET_NONE): Replace with...
910         (MASK_ARCH): ...this new macro.
911         * config/sh/elf.h: Update mask names
912         * config/sh/linux.h: Likewise.
913         * config/sh/little.h: Likewise.
914         * config/sh/netbsd-elf.h: Likewise.
915         * config/sh/symbian-pre.h: Likewise.
916         * config/sh/sh.c (sh_handle_option): New function.
917         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
918         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
919         (sh_target_switches, target_switches): Delete.
920         (sh_pch_valid_p): Check for specific differences in the target_flags
921         settings.
922         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
923         * config/sh/sh.opt: New file.
924
925 2005-05-18  Richard Henderson  <rth@redhat.com>
926
927         PR target/21632
928         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
929         small_addr_symbolic_operand.
930
931 2005-05-18  Jeff Law  <law@redhat.com>
932
933         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
934         propagate an ADDR_EXPR if the definition and use sites are
935         in different EH regions.
936
937 2005-05-18  Ian Lance Taylor  <ian@airs.com>
938
939         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
940         obstack_grow.
941
942 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
943
944         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
945
946 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
947         
948         Fix PR tree-optimization/21407
949
950         * tree-ssa-operands.c (note_addressable): Change
951         COMPONENT_REF handling in response to aliasing
952         discussion.
953
954 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
955
956         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
957         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
958         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
959         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
960         the default on Solaris too.
961
962 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
963
964         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
965         is okay too.
966
967 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
968
969         * timevar.def (TV_SCEV_CONST): New timevar.
970         * tree-optimize.c (init_tree_optimization_passes): Add
971         pass_scev_cprop.
972         * tree-pass.h (pass_scev_cprop): Declare.
973         * tree-scalar-evolution.c (scev_const_prop): New function.
974         * tree-scalar-evolution.h (scev_const_prop): Declare.
975         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
976         New.
977         * tree-cfg.c (replace_uses_by): Export.
978         * tree-flow.h (replace_uses_by): Declare.
979
980 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
981             Mike Stump  <mrs@apple.com>
982
983         Yet more Objective-C++...
984
985         * c-common.h (objc_finish_try_stmt): Add.
986         (objc_build_synchronized): Add.
987         (objc_generate_write_barrier): Add.
988         * stub-objc.c (objc_build_synchronized): Add return value.
989         (objc_finish_try_stmt): Likewise.
990         (objc_generate_write_barrier): Add.
991
992         * c-common.h (objc_rewrite_function_call): Add.
993         * c-typeck.c (build_function_call): Allow objc to rewrite
994         FUNCTION_DECLs.
995         (build_modify_expr): Allow objc to generate write barriers.
996         * c.opt (Wassign-intercept): Add.
997         (Wstrict-selector-match): Add.
998         (fobjc-call-cxx-cdtors): Add.
999         (fobjc-direct-dispatch): Add.
1000         (fobjc-gc): Add.
1001         * dbxout.c (get_lang_number): Add Objective-C++ support.
1002         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
1003         (-Wstrict-selector-match): Likewise.
1004         (-fobjc-direct-dispatch): Likewise.
1005         (-Wassign-intercept): Likewise.
1006         (Overall Options): Likewise.
1007         * gengtype.c (get_output_file_with_visibility): Likewise.
1008         * stub-objc.c (objc_rewrite_function_call): Add.
1009         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
1010
1011         * c-common.c (flag_objc_exceptions): Remove.
1012         (flag_objc_sjlj_exceptions): Remove.
1013         * c-decl.c (objc_mark_locals_volatile): Don't change decls
1014         that are already ok.
1015         * c-opts.c (c_common_handle_option, case
1016         OPT_fobjc_exceptions): Remove.
1017         (case OPT_fobjc_sjlj_exceptions): Remove
1018         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
1019         (fobjc-exceptions): Likewise.
1020         (fobjc-sjlj-exceptions): Likewise.
1021         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
1022         (OFFS_ASSIGNIVAR_FAST): Add.
1023         
1024 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1025
1026         * config/sparc/sparc.md (movhi): Do not test constness
1027         of operand #1 twice.
1028         (movsi): Likewise.
1029         (movdi): Unconditionally accept zero as second operand
1030         when the first is memory.
1031         (movdi_insn_sp32): Handle above case.
1032         (DImode splitter): Use predicates.
1033         (DImode splitter): Use const_zero_operand predicate.
1034         (movsf_insn): Swap 2 alternatives.
1035
1036 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1037
1038         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
1039         expand_simple_operations to bases of the ivs.
1040         (tree_int_cst_sign_bit): Export.
1041         * tree-flow.h (expand_simple_operations): Declare.
1042         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
1043         tree_int_cst_sign_bit.
1044         (expand_simple_operations): Export.
1045         * tree.h (tree_int_cst_sign_bit): Declare.
1046
1047 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1048
1049         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
1050         merged block.
1051         (replace_uses_by): New function.
1052         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
1053         * tree-flow.h (fold_stmt_inplace): Declare.
1054         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
1055         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
1056         info after cfg cleanup.
1057
1058 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1059
1060         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
1061         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
1062         const.
1063
1064 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1065
1066         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
1067         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
1068         * timevar.c (timevar_ggc_mem_total): New variable.
1069         (GGC_MEM_BOUND): New constant.
1070         (get_time): Record ggc memory status.
1071         (timevar_accumulate): Accumulate amount of ggc memory.
1072         (timevar_print): Print consumption of ggc memory.
1073         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
1074         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
1075         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
1076         * timevar.h (struct timevar_time_def): Add ggc_mem field.
1077         (timevar_ggc_mem_total): Declare.
1078
1079 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
1080
1081         * tree-into-ssa.c (update_ssa): Clean up by shortening the
1082         live range of DFS.
1083
1084 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1085
1086         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
1087         define_code_attr.
1088         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
1089         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
1090         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
1091         ("s<ocond:code>"): Rename from respectively "b<ncond>",
1092         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
1093         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
1094         "s<rcond>" and "s<ocond>".
1095         ("b<ocond:code>", "*b<ocond:code>_reversed")
1096         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
1097         output statement section.
1098
1099 2005-05-17  Roger Sayle  <roger@eyesopen.com>
1100
1101         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
1102
1103 2005-05-17  Steven Bosscher  <stevenb@suse.de>
1104             Stuart Hastings <stuart@apple.com>
1105             Jan Hubicka  <jh@suse.cz>
1106             Dale Johannesen  <dalej@apple.com>
1107
1108         * cgraph.h (cgraph_node): Add 'lowered' state.
1109         (cgraph_lower_function): Declare.
1110         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
1111         (cgraph_lower_function): New function.
1112         (cgraph_create_edges): Deal with lowered function bodies.
1113         (verify_cgraph_node): Likewise.
1114         (cgraph_analyze_function): Do lowering job.
1115         (cgraph_build_static_cdtor): Likewise.
1116         * function.h (struct function): Add saved_eh and saved_cfg.
1117         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
1118         * tree-cfg.c (fold_cond_expr_cond): Export.
1119         * tree-flow.h (fold_cond_expr_cond): Declare.
1120         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
1121         pointer-set.
1122         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
1123         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
1124         callee_cfun, block, eh_region, eh_region_offset.
1125         (inlining_p): New predicate.
1126         (remap_decl): Update for new inline_data; declare newly created inline
1127         vars in low gimple way.
1128         (copy_body_r): Update for new datastructure, simplify some of handling
1129         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
1130         deal with RESX_EXPRs.
1131         (copy_bb): New.
1132         (copy_edges_for_bb): Likewise.
1133         (remap_decl_1): New.
1134         (copy_cfg_body): New.
1135         (copy_generic_body): Rewrite to work on low gimple.
1136         (copy_body): Turn into simple wrapper around copy_cfg_body.
1137         (setup_one_parameter): Insert new statements into given basic block.
1138         (initialize_initialized_parameters): Likewise, reorganize way things are
1139         gimplified.
1140         (declare_return_variable): Update for new inline data datastructure.
1141         (inline_forbidden_p): Work on low gimple.
1142         (estimate_num_insns): Likewise.
1143         (expand_call_inline): Work on CFG.
1144         (push_cfun, pop_cfun): New functions.
1145         (cfun_stack): New stack.
1146         (add_lexical_block): New function.
1147         (gimple_expand_calls_inline): Work on basic block.
1148         (optimize_inline_calls): Likewise.
1149         (clone_body, save_body, unsave_ewpr_now): Update for new
1150         datastructures.
1151         (declare_inline_vars): Work on block instead of bind_expr.
1152         (inlining_p): New predicate.
1153         * tree-inline.h (push_cfun, pop_cfun): Declare.
1154         * tree-optimize.c: Include except.h
1155         (all_lowering_passes): New variable.
1156         (execute_fixup_cfg, pass_fixup_cfg): New pass.
1157         (init_tree_optimization_passes): Move some to all_lowering_passes.
1158         (tree_lowering_passes): New function.
1159         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
1160         * tree-pass.h (tree_lowering_passes): Declare
1161
1162 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1163
1164         * unwind-dw2-fde-darwin.c: Include tsystem.h.
1165
1166 2005-05-17  Jeff Law  <law@redhat.com>
1167
1168         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
1169         * tree-ssa-forwprop.c: Include langhooks.h.
1170         (forward_propagate_addr_expr_into_variable_array_index): New.
1171         (forward_propagate_addr_expr): New.
1172         (tree_ssa_forward_propagate_single_use_vars): Loop over all
1173         the statements in the block instead of just the last statement.
1174         Call forward_propagate_addr_expr as needed.
1175         (pass_forwprop): Update the SSA graph after forward propagation is
1176         complete.
1177
1178 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1179
1180         * unwind-dw2-fde-glibc.c (base_from_cb_data,
1181         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
1182         appropriate.
1183         * unwind-dw2-fde.c (__deregister_frame_info_bases,
1184         base_from_object, fde_split, end_fde_sort): Likewise.
1185         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
1186         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
1187         uw_init_context_1): Likewise.
1188         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
1189         _Unwind_Resume_or_Rethrow): Likewise.
1190         * unwind-pe.h (__gxx_abort): Do not define.
1191         (size_of_encoded_value, base_of_encoded_value,
1192         read_encoded_value_with_base): Use gcc_unreachable.
1193         * unwind.h (_Unwind_GetTextRelBase): Likewise.
1194
1195 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1196
1197         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
1198         (cfi_end): New macros.
1199         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
1200         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
1201         an eight byte stack frame.
1202         (__NR_tkill): Define.
1203         (__div0): Use gettid tkill on GNU/Linux.
1204         (_arm_return): Add CFI.
1205         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
1206
1207 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1208
1209         * configure.ac: Remove spaces around assignment to
1210         gcc_cv_ld_sysroot.
1211         * configure: Regenerated.
1212
1213 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
1214
1215         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
1216         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
1217         aix_struct_ret.
1218         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
1219         Modify aix_struct_return variable, not target_flags.
1220         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
1221         (rs6000_return_in_memory): Test aix_struct_return.
1222         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
1223         independent variable.  Report mxl-compat.
1224
1225 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1226
1227         * config/bfin/bfin.md (eh_return): Add missing DONE.
1228
1229 2005-05-17  Ian Lance Taylor  <ian@airs.com>
1230
1231         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
1232         field.
1233         (mode_attr_index): Remove check for defined attribute.  Remove
1234         infile parameter.  Change all callers.
1235         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
1236         return after finding attribute.
1237         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
1238         callers.
1239         (apply_macro_traverse): Set mtd->unknown_mode_attr.
1240         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
1241         attribute used for a mode.
1242
1243 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1244
1245         * tree-ssa-math-opts.c: New file.
1246
1247 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1248
1249         * tree-ssa-math-opts.c: New file.
1250
1251 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1252
1253         * Makefile.in: Add tree-ssa-math-opts.c.
1254         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
1255         * fold-const.c (distribute_real_division): New.
1256         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
1257         * tree-pass.h (pass_cse_reciprocals): New.
1258         * tree-optimize.c (init_tree_optimization_passes): Run it.
1259         * doc/passes.texi: Document the new pass.
1260
1261 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
1262
1263         PR middle-end/21595
1264         * builtins.c (fold_builtin_constant_p): Handle
1265         &"string cst"[0] as constant.
1266
1267 2005-05-17  Richard Henderson  <rth@redhat.com>
1268
1269         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
1270
1271 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1272
1273         PR middle-end/21492
1274         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
1275         src2 if src2 has been split.
1276
1277         PR tree-optimization/21610
1278         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
1279         returning DECL, call unshare_expr.
1280
1281 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1282
1283         * config/cris/cris.md: Unquote preparation and output statements.
1284         (BWD, WD, BW): New, mode-macros.
1285         (S, s, m, mm, nbitsm1): New, mode-attrs.
1286         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
1287         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
1288         code-attrs.
1289         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
1290         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
1291         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
1292         "*cmp_swapexthi".
1293         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
1294         ("movdi"): Move misplaced head comment regarding necessity of
1295         movdi from movsi to here.
1296         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
1297         "*mov_sidehi_biap".
1298         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
1299         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
1300         "*mov_sideqi_biap_mem".
1301         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
1302         "*mov_sidehi_mem".
1303         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
1304         "*clear_sidehi_biap" and "*clear_sideqi_biap".
1305         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
1306         and "*clear_sideqi".
1307         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
1308         "*ext_sidehisi_biap".
1309         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
1310         "*ext_sidehisi".
1311         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
1312         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
1313         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
1314         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
1315         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
1316         "zero_extendqisi2".
1317         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
1318         "*op_sidehi_biap" and "*op_sidesi_biap".
1319         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
1320         "*op_sidesi".
1321         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
1322         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
1323         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
1324         "*op_swap_sidehi" and "*op_swap_sidesi".
1325         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
1326         in the N alternative of "subqi3".
1327         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
1328         "*extophisi_side_biap".
1329         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
1330         "*extophisi_side".
1331         ("*extop<mode>si_swap_side_biap"): Replace
1332         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
1333         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
1334         "*extophisi_swap_side".
1335         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
1336         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
1337         "*extophisi_swap".
1338         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
1339         "mulqihi3", "mulhisi3" and "mulhisi3".
1340         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
1341         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
1342         "umulsi3_highpart".
1343         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
1344         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
1345         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
1346         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
1347         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
1348         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
1349         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
1350         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
1351         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
1352         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
1353         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
1354         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
1355         "*ashlhi_lowpart".
1356         ("abs<mode>2"): Replace "abshi2" and "absqi2".
1357         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
1358         "bleu".
1359         ("b<ocond>"): Replace "bgt" and "ble".
1360         ("b<rcond>"): Replace "blt" and "bge".
1361         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
1362         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
1363         "*bleu_reversed".
1364         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
1365         "*ble_reversed".
1366         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
1367         "*blt_reversed".
1368         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
1369         "sne".
1370         ("s<rcond>"): Replace "sge" and "slt".
1371         ("s<ocond>"): Replace "sgt" and "sle".
1372         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
1373         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
1374         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
1375         clear.w [rx=rx+i] and clear.b [rx=rx+i].
1376
1377 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1378
1379         * varasm.c (struct constant_descriptor_tree): Add hash field.
1380         (const_desc_hash): Just return hash field.
1381         (const_desc_eq): If hash values are different, return 0 immediately.
1382         (output_constant_def): Compute hash field of temporary key, use
1383         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
1384         newly built constant descriptor.
1385         (lookup_constant_def): Compute hash field of temporary key, use
1386         htab_find_with_hash instead of htab_find.
1387
1388 2005-05-16  Richard Henderson  <rth@redhat.com>
1389
1390         * config/i386/sse.md (mulv4si3): New.
1391
1392 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1393
1394         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
1395         tests for noncanonical versions of reg+constant and
1396         reg+reg*{1,2,4}.
1397
1398 2005-05-16  Richard Henderson  <rth@redhat.com>
1399             Steven Bosscher <stevenb@suse.de>
1400
1401         PR tree-opt/21399
1402         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
1403         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
1404         region data structure to match replacement.
1405         * tree-flow.h: Update to match.
1406         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1407         * tree-ssa-dom.c (optimize_stmt): Likewise.
1408         * tree-ssa-pre.c (eliminate): Likewise.
1409         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1410
1411 2005-05-16  Caroline Tice  <ctice@apple.com>
1412
1413         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
1414         internal_error with gcc_assert.
1415         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
1416         * function.h (struct function): Remove space between "*" and
1417         struct field names.
1418         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
1419         modify to use alloca.
1420         (unlikely_text_section): Add check for flag_function_sections.
1421         (assemble_start_function):  Move call to resolve_section, so it
1422         comes before first call to unlikely_text_section.
1423         (assemble_end_function):  Add test and call to function_section
1424         if appropriate.
1425         
1426 2005-05-16  Roger Sayle  <roger@eyesopen.com>
1427
1428         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
1429         instead of build_binary_op when performing code transformations
1430         to avoid error messages about constructs not it the user's code.
1431
1432 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1433
1434         * tree-ssa-pre.c: Fix a comment typo.
1435
1436 2005-05-16  Richard Henderson  <rth@redhat.com>
1437
1438         PR target/21556
1439         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
1440         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
1441         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
1442         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
1443         add_tprel22): Remove mode from symbolic operand.
1444
1445 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1446
1447         * optc-gen.awk: Include intl.h after the externally-provided files.
1448
1449 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1450
1451         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
1452         folding a COND_EXPR_COND in a nondestructive manner.
1453
1454 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
1455
1456         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
1457         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
1458         New values for vec_select definitions and bitmask for element
1459         selection.
1460          
1461 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1462
1463         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
1464         Change the type to VEC(rtx,gc)*.
1465         (mem_loc_descriptor, add_const_value_attributes,
1466         dwarf2out_init): Adjust uses of used_rtx_varray.
1467
1468         * tree-data-ref.c (compute_all_dependences): Change the type
1469         of dependence_relations to VEC(ddr_p,heap)**.
1470         (compute_data_dependences_for_loop): Change the type of
1471         allrelations to VEC(ddr_p,heap)*.
1472
1473 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1474
1475         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
1476         system.h, coretypes.h and tm.h.
1477         (options.o): Update dependencies accordingly.
1478         * optc-gen.awk: Allow header_name to be a list of filenames.
1479         Handle the "Condition" flag.
1480         * opts.h (CL_DISABLED): New flag.
1481         * opts.c (handle_option): Print an error for CL_DISABLED options.
1482         * doc/options.texi: Document the "Condition" option flag.
1483
1484 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
1485
1486         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
1487
1488 2005-05-15  Roger Sayle  <roger@eyesopen.com>
1489
1490         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
1491         check for TREE_OVERFLOW on INTEGER_CST trees.
1492         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
1493         CONSTANT_CLASS_P tree nodes.
1494
1495 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1496
1497         PR target/21551
1498         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
1499
1500 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
1501             
1502         Fix PR tree-optimization/21576
1503         
1504         * tree-ssa-pre.c (expression_node_pool): New pool.
1505         (comparison_node_pool): Ditto.
1506         (list_node_pool): Ditto.
1507         (pool_copy_list): New function.
1508         (phi_translate): Handle CALL_EXPR.
1509         (valid_in_set): Ditto.
1510         (create_expression_by_pieces): Ditto.
1511         (insert_into_preds_of_block): Ditto.
1512         (insert_aux): Ditto.
1513         (compute_avail): Ditto.
1514         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
1515         (can_value_number_call): New function.
1516         (find_leader): Update comment.
1517         (init_pre): Create new pools.
1518         (fini_pre): Free new pools.
1519         (pass_pre): Add TODO_update_ssa for the future when we are going
1520         to need vops.
1521         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
1522         (set_value_handle): Ditto.
1523         (get_value_handle): Ditto.
1524
1525 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1526
1527         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
1528
1529 2005-05-15  Andreas Jaeger  <aj@suse.de>
1530
1531         * gcc.c (pfatal_pexecute): Remove unused local function.
1532
1533 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
1534
1535         * optc-gen.awk: Remove excess indentation.
1536         * opth-gen.awk: Likewise.
1537
1538 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
1539
1540         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
1541         of basic_block_info.  Call init_flow and find_basic_blocks
1542         before dbr_schedule if needed.
1543
1544 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1545
1546         * tree-optimize.c (init_tree_optimization_passes): Move
1547         pass_cd_dce in place of the last pass_dce.
1548
1549         PR tree-optimization/21563
1550         * tree-vrp.c (compare_value): Return boolean_false_node when
1551         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
1552         strictly larger than CST.
1553
1554 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
1555             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1556
1557         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
1558         gcc_assert().
1559         (rev_cond_name) Likewise.
1560         (vax_float_literal) Likewise.
1561         * config/vax/vax.md: Likewise.
1562
1563 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1564
1565         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
1566         registers and use them (specifically the stack pointer).
1567         * config/vax/vax.h: Use above defines right here.
1568
1569         * config/vax/vax.c: (override_options) Remove 'register' keyword.
1570         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
1571         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
1572         whitespace.
1573         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
1574         mostly removal of trailing spaces...
1575         * config/vax/vax-modes.def: Remove trailing whitespace.
1576
1577         * config/vax/elf.h: Update whitespace.
1578
1579 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
1580
1581         Revert
1582         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1583         * fold-const.c (fold_indirect_ref_1): Avoid removing
1584         NOP_EXPRs with type qualifiers like const.
1585
1586 2005-05-14  Jan Hubicka  <jh@suse.cz>
1587
1588         Patch by Richard Henderson:
1589         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
1590         Handle RESX expressions properly.
1591
1592         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
1593         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
1594         (remove_stmt_from_eh_region_fn): Likewise.
1595
1596         * tree-cfg.c (execute_warn_function_return): Break out noreturn
1597         warning too..
1598         (execute_warn_function_noreturn): ... here.
1599         (pass_warn_function_noreturn): New pass.
1600         * tree-pass.h (pass_warn_function_noreturn): Declare
1601         * tree-optimize.c (init_tree_optimization_passes): Move return
1602         warnings early and add noreturn warnings at place of previous
1603         return warnings.
1604
1605 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1606
1607         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
1608         root_var_init, type_var_init): Use VEC instead of VARRAY.
1609         * tree-ssa-live.h (tree_partition_associator_d): Change the
1610         type of trees to VEC(tree,heap)*.
1611         (tpa_tree): Use VEC instead of VARRAY.
1612
1613 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
1614
1615         * fold-const.c (div_if_zero_remainder): New function.
1616         (try_move_mult_to_index): Use it.
1617
1618 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1619
1620         * tree-eh.c (leh_tf_state): Change the type of dest_array to
1621         VEC(tree,heap)*.
1622         (maybe_record_in_goto_queue, lower_try_finally_onedest,
1623         lower_try_finally_copy, lower_try_finally_switch,
1624         lower_try_finally): Use VEC instead of VARRAY.
1625
1626 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
1627
1628         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
1629         comment regarding defined register classes.
1630         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
1631
1632 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1633
1634         * tree-optimize.c (init_tree_optimization_passes): Move
1635         pass_merge_phi before the first pass_dominator.
1636
1637 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
1638
1639         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
1640         unconditional.
1641
1642 2005-05-13  Josh Conner  <jconner@apple.com>
1643
1644         * config/arm/arm.c (arm_size_return_regs): New.
1645         (thumb_unexpanded_epilogue): replace in-line calculation
1646         of return registers with call to arm_size_return_regs.
1647         (use_return_insn): Include test of which registers are
1648         being used to hold return values, to accommodate
1649         vector return values.
1650
1651 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
1652
1653         * config/rs6000/sysv4.opt (mlittle): Handle.
1654
1655         * config/rs6000/rs6000.c (rs6000_handle_option): Set
1656         target_flags_explicit when appropriate.
1657
1658 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1659
1660         PR middle-end/20714:
1661         * optabs.c (no_conflict_data): New struct.
1662         (no_conflict_move_test): New function.
1663         (emit_no_conflict_block): Use it.
1664
1665 2005-05-13  Adam Nemet  <anemet@lnxw.com>
1666
1667         * doc/invoke.texi (Debugging Options): Option
1668         -fdump-translation-unit only works with C++ now.
1669
1670 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1671
1672         Replace calls to abort in CRIS port.
1673         * config/cris/cris.h (CRIS_ASSERT): New macro.
1674         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
1675         internal_error instead of abort.
1676         ("movsi"): Ditto.  Unquote preparation statement section.
1677         ("call", "call_value"): Ditto, but use gcc_assert where
1678         appropriate.  Tweak comments.
1679         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
1680         CRIS_ASSERT.
1681         (cris_op_str): Call internal_error, not abort.
1682         (cris_print_operand): Tweak "abort" reference to "die" in comment.
1683         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
1684         (cris_notice_update_cc): Call internal_error, not abort.
1685         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
1686         (cris_emit_movem_store, cris_asm_output_symbol_ref)
1687         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
1688         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
1689         ENABLE_CHECKING-guarded abort call.
1690         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
1691         Use internal_error at end of test-chain.
1692
1693 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1694
1695         PR rtl-optimization/20769:
1696         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
1697         pattern emitted by expand_nl_goto_receiver.
1698
1699         PR middle-end/20793:
1700         * integrate.c (allocate_initial_values): Update register liveness
1701         information.
1702
1703 2005-05-13  Josh Conner  <jconner@apple.com>
1704
1705         * arm.c (arm_return_in_memory): Add handling for vector return types.
1706
1707 2005-05-13  David Ung  <davidu@mips.com>
1708
1709         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
1710         name.
1711         * config/mips/mips.c: Add 4km alias.
1712         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
1713         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
1714         description.
1715
1716 2005-05-13  Jan Hubicka  <jh@suse.cz>
1717
1718         * c-decl.c (finish_function): Suppress "control reaches end of
1719         non-void function" when "no return statement in function
1720         returning non-void" is issued.
1721
1722         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
1723         * tree-optimize.c (pass_gimple): Kill.
1724         (init_tree_optimization_passes): Kill pass_gimple.
1725         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
1726         * tree-dump.c (dump_files): Rename .generic to .gimple.*
1727
1728 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1729
1730         PR rtl-optimization/20756:
1731         * basic-block.h (PROP_DEAD_INSN): Define.
1732         * flow.c (propagate_one_insn): Set during mark_set_regs call
1733         for a dead insn.
1734         (mark_set_1): Emit a clobber when we are about to delete a dead insn
1735         that kills a live register.
1736
1737 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
1738
1739         * config/s390/s390.md: ("DBL"): New mode attribute.
1740         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
1741         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
1742         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
1743
1744 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
1745
1746         * c-format.c (check_format_arg): Handle string literals of
1747         the form &"string"[offset].
1748
1749         * g++.dg/warn/format4.C: New testcase.
1750
1751 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
1752
1753         * config/mips/3000.md, config/mips/4000.md,
1754         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
1755         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
1756         config/mips/generic.md, config/pdp11/pdp11.md,
1757         config/sh/crt1.asm, config/sh/lib1funcs.asm,
1758         config/sh/sh-modes.def, config/sh/sh-protos.h,
1759         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
1760
1761 2005-05-13  Richard Henderson  <rth@redhat.com>
1762
1763         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
1764         addition to move unless dest is a register.  Do not skip
1765         instantiation in dest on addition simplification.
1766
1767 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1768
1769         * config/cris/cris.c (cris_print_operand) <case 'H'; case
1770         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
1771         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
1772
1773 2005-05-13  Jan Hubicka  <jh@suse.cz>
1774
1775         * basic-block.h (FOR_ALL_BB_FN): New macro.
1776         (init_flow): Initialize cfg structure.
1777         * function.c (allocate_struct_function): Do not initialize cfg structure.
1778         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
1779         (build_tree_cfg): ... here.
1780         * tree-flow.h (init_empty_tree_cfg): Declare.
1781
1782 2005-05-12  Steven Bosscher <stevenb@suse.de>
1783
1784         Fix PR tree-optimization/21520
1785         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
1786         to attempt to fold constants.
1787
1788 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1789
1790         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
1791         only when TARGET_ADJUST_UNROLL_MAX is defined.
1792         (general_movsrc_operand): Use the C style comment.
1793         (ua_offset): Use prototype.
1794
1795 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
1796
1797         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
1798         (struct hmr_data, hoist_memory_reference, memref_del,
1799         struct fmrv_data): Removed.
1800         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
1801         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
1802         list.
1803         (find_more_ref_vops): Traverse the list of memory references.
1804         (determine_lsm_loop): Work with the list of memory references instead
1805         of traversing the hashtable.
1806
1807 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1808             Stuart Hastings <stuart@apple.com>
1809             Jan Hubicka  <jh@suse.cz>
1810
1811         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1812         duplicate_eh_regions): New functions, based on old
1813         implementation removed with RTL inliner.
1814         (reachable_next_level): Modify behaviour pre-inline.
1815         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1816         Declare.
1817         * function.h (struct function): Add after_inlining flag.
1818         * tree-optimize.c (tree_rest_of_compilation): Set it.
1819         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1820         when needed.
1821         * tree-cfg.c (label_to_block_fn): Deal with cases where
1822         label was never insterted into code.
1823
1824 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1825
1826         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1827
1828 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1829
1830         Fix PR tree-optimization/21532
1831         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1832         needs to go onto the inserted_exprs list.
1833
1834 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1835
1836         * c-common.h (statement_code_p): Don't declare.
1837         (STATEMENT_CODE_P): Don't define.
1838         (INIT_STATEMENT_CODES): Don't define.
1839         * c-common.c (statement_code_p): Don't define.
1840
1841 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1842
1843         * config/sparc/sparc.h: Remove dead code.
1844         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1845         FIRST_PARM_OFFSET for the size of the register window area.
1846         (emit_save_regs): Rename into emit_save_or_restore_regs.
1847         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1848         Pass 'action' to save_or_restore_regs.
1849         (emit_restore_regs): Delete.
1850         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1851         (sparc_expand_epilogue): Likewise.
1852         * config/sparc/sparc.md (mode macro P): Move.
1853         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1854         (mov<V32:mode> expander): Move to the top of the V32 section.
1855         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1856         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1857         (sibcall_epilogue): Move.
1858
1859 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1860
1861         PR target/21501
1862         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1863         synthesizing a constant of the difference of two immediates.
1864
1865 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1866
1867         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1868         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1869         the alternatives using integer registers into the appropriate
1870         primitives.
1871
1872 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1873
1874         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1875         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1876         * bitmap.h: Fixed comments.
1877
1878 2005-05-11  Richard Henderson  <rth@redhat.com>
1879
1880         PR target/21412
1881         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1882         (ia64_cannot_force_const_mem): New.
1883         (tls_symbolic_operand_type): New.
1884         (ia64_legitimate_constant_p): New.
1885         (ia64_expand_load_address): Return true on success.  Improve
1886         checks for when we should not split.
1887         (ia64_expand_tls_address): New addend operand.  Distribute it
1888         as appropriate to the tls_kind.  Delay referencing gp.
1889         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1890         tls symbols with addends.
1891         * config/ia64/ia64-protos.h: Update.
1892         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1893         p0, f0, f1, and r13.
1894         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1895         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1896         (symbolic_operand splitter): Pass everything through
1897         ia64_expand_load_address and FAIL or DONE as appropriate.
1898         (load_fptr): Only accept after reload.
1899         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1900         load_symptr_low, load_ltoff_dtpmod,
1901         (load_dtpmod): New.
1902         (load_dtprel): Only accept tls symbols.
1903         (load_dtprel64, load_dtprel22): Likewise.
1904         (load_tprel, load_tprel64, load_tprel22): Likewise.
1905         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1906         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1907         (add_dtprel14, add_dtprel22): Likewise.
1908         (add_tprel, add_tprel14, add_tprel22): Likewise.
1909         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1910         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1911         (got_symbolic_operand): Check CONST offsets.
1912         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1913         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1914         (move_operand): Don't handle tls here.  Check CONST offsets.
1915
1916 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1917
1918         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1919         Remove hilo_operand check.
1920         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1921         * config/mips/predicates.md (hilo_operand): Delete.
1922
1923 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1924
1925         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1926
1927 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1928
1929         PR tree-optimizer/18472
1930         * tree-if-conv.c (tree_if_convert_stmt,
1931         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1932
1933 2005-05-11  Jan Hubicka  <jh@suse.cz>
1934
1935         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1936         (GTFILES): add except.h.
1937         * except.c (eh_status): Add throw_stmt_table.
1938         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1939         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1940         lookup_stmt_eh_region_fn): Declare.
1941         (throw_stmt_node): New structure.
1942         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1943         * gengtype.c (open_base_files): Add except.h to inlines.
1944         * tree-eh.c (throw_stmt_node): Kill.
1945         (record_stmt_eh_region): Update.
1946         (add_stmt_to_eh_region_fn): Break out from ...
1947         (add_stmt_to_eh_region): ... here.
1948         (remove_stmt_from_eh_region_fn): Break out from ...
1949         (remove_stmt_from_eh_region): ... here.
1950         (lookup_stmt_eh_region_fn): Break out from ...
1951         (lookup_stmt_eh_region): ... here.
1952         (honor_protect_cleanup_actions): Use build_resx.
1953         (lower_try_finally_onedest): Likewise.
1954         (lower_try_finally_copy): Likewise.
1955         (lower_try_finally_switch): Likewise.
1956         (lower_eh_constructs): Update eh table construction.
1957         * tree.c (build_resx): New.
1958         * tree.h (build_resx): Declare.
1959
1960 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1961
1962         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1963         is needed.
1964
1965 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1966
1967         * fold-const.c, libgcov.c: Fix comment typos.
1968
1969         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1970         redundant code.
1971
1972 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1973
1974         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1975         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1976         default definition.
1977         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1978
1979 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1980
1981         PR bootstrap/21481
1982         * crtstuff.c: Include auto-host.h again, for now.
1983
1984 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1985
1986         * config/mips/24k.md: Remove trailing whitespace.
1987
1988 2005-05-11  David Ung  <davidu@mips.com>
1989
1990         * config/mips/mips.md (type): Add imul3.
1991         (length, hazard, may_clobber_hilo): Check for imul3.
1992         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1993         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1994         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1995         for a 3 operand mul and its bypasses.
1996         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1997         * config/mips/4000.md (r4k_imul): Likewise.
1998         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1999         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
2000         (vr4130_muldi): Likewise.
2001         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
2002         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
2003         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
2004         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
2005         (ir_vr54_imadd_si): Likewise.
2006         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
2007         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
2008         (rm7_impy_di): Likewise.
2009         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
2010         * config/mips/generic.md (generic_imul): Likewise.
2011         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
2012         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
2013
2014 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
2015
2016         PR middle-end/20371:
2017         * tree.h (record_layout_info_s): New member prev_packed.
2018         * stor-layout.c (update_alignment_for_field): Fix comment about
2019         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
2020         we start it properly aligned.
2021         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
2022         to update_alignment_for_field, and recompute it afterwards using
2023         the alignment of the record.
2024         When a packed bitfield precedes an MS bitfield, don't add padding
2025         at the end of the packed bitfield on behalf of the base type of
2026         the packed bit field.
2027         Don't adjust rli->bitpos at the end
2028         of an MS bitfield run if we already adjusted bitpos/offset for an
2029         alignment as large or larger than the bitfield type size.
2030         Take possible record alignment > BIGGEST_ALIGNMENT into account
2031         when calculating actual_align.
2032         Only put packed buit fields into rli->prev_field if they end up
2033         suitably aligned.
2034         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
2035         Update rli->remaining_in_alignment when we have already started a
2036         run of bit fields and we process a packed bit field.
2037
2038 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
2039
2040         * tree-data-ref.c (find_data_references_in_loop): Give up when
2041         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
2042         may embed arbitrary side effects.
2043         Remove the assumption that GIMPLE form contains a single array
2044         access per statement.
2045         When the statement contains virtual operands, fail if it is not
2046         a MODIFY_EXPR or a CALL_EXPR.
2047         Return after the dont know node is inserted.
2048
2049 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2050
2051         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
2052
2053 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2054
2055         PR middle-end/19807
2056         PR tree-optimization/19639
2057         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
2058         and generic summands for char* as s * delta, too, folding &a[i]
2059         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
2060         for comparison of steps.  Convert types for index addition.
2061         (fold_binary): Adjust the callers to always dispatch to
2062         try_move_mult_to_index.
2063         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
2064         expr with non-gimple ARRAY_REF offset.
2065
2066 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2067
2068         * fold-const.c (fold_indirect_ref_1): Avoid removing
2069         NOP_EXPRs with type qualifiers like const.
2070
2071 2005-05-11  Richard Henderson  <rth@redhat.com>
2072
2073         PR c/21502
2074         * c-decl.c (finish_decl): Propagate the completed array type of
2075         a global variable into the binding.
2076
2077 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
2078
2079         * Makefile.in (gtype-desc.o, build/genautomata.o)
2080         (build/varray.o): Depend on $(VARRAY_H).
2081
2082 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
2083
2084         * tree-optimize.c (init_tree_optimization_passes): Re-organize
2085         optimization passes to do an initial batch of scalar cleanups.
2086
2087 2005-05-10  Ian Lance Taylor  <ian@airs.com>
2088
2089         * read-rtl.c (struct macro_traverse_data): Define.
2090         (map_attr_string): New static function, broken out of
2091         apply_macro_to_string.
2092         (mode_attr_index, apply_mode_maps): New static functions.
2093         (apply_macro_to_string): Call map_attr_string.
2094         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
2095         all callers.
2096         (apply_macro_traverse): Expect data to point to a struct
2097         macro_traverse_data.
2098         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
2099         to pass data through htab_traverse.
2100         (read_rtx_1): Add mode_maps parameter.  Change all callers.
2101         Handle mode names which are attribute strings.
2102         * doc/md.texi (Substitutions): Rename from String Substitutions.
2103         Change references.  Document using attributes as modes.
2104
2105 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2106
2107         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
2108         * tree-optimize.c (init_tree_optimization_passes) Swap
2109         pass_ch and pass_profile.
2110         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
2111         here.  Remove rewrite_into_loop_closed_ssa call.
2112
2113 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2114
2115         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
2116         function.
2117         (legitimate_reload_constant_p): Add check for const double zero.
2118         * config/s390/s390.md: Add comment for constraint letter 'G'.
2119         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
2120         attributes for new case.
2121         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
2122         s390_const_double_ok_for_constraint_p.
2123         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
2124         Add prototype.
2125
2126 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2127
2128         PR tree-optimization/21170
2129         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
2130         rewrite_ssa_into_ssa in comments with update_ssa.
2131
2132 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2133
2134         * tree-ssa-loop-im.c: Include hashtab.h.
2135         (struct mem_ref_loc): New.
2136         (struct mem_ref): Describe the set of references with the same
2137         shape.
2138         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
2139         maybe_queue_var, fem_single_reachable_address,
2140         for_each_memref, single_reachable_address,
2141         is_call_clobbered_ref, determine_lsm_reg): Removed.
2142         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
2143         hoist_memory_reference, memref_hash, memref_eq, memref_del,
2144         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
2145         New functions.
2146         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
2147         (determine_lsm_loop): Rewritten.
2148         (determine_lsm): Do not set stmt uids.
2149
2150 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2151
2152         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
2153         letters.
2154
2155 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2156
2157         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
2158         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
2159         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
2160
2161 2005-05-10  Jeff Law  <law@redhat.com>
2162
2163         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
2164         thread_across_edge for any abnormal edges.
2165
2166 2005-05-10  Richard Henderson  <rth@redhat.com>
2167
2168         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
2169         * config/ia64/ia64-protos.h: Declare it.
2170         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
2171         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
2172         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
2173         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
2174         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
2175         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
2176         extend result; use release semantics.
2177         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
2178         (sync_val_compare_and_swap_<IMODE>): Update to match.
2179
2180 2005-05-10  Richard Henderson  <rth@redhat.com>
2181
2182         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
2183         before comparing it for success.
2184
2185 2005-05-10  Richard Henderson  <rth@redhat.com>
2186
2187         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
2188         no return value pattern.
2189
2190 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
2191             H.J. Lu  <hongjiu.lu@intel.com>
2192
2193         * libgcov.c (create_file_directory): New function. Create
2194         directory for the given file name.
2195         (gcov_max_filename): New static var. Keeps size of the longest
2196         file name.
2197         (gcov_exit): Always try to create directory for output
2198         file. Relocate each filename basing on environment vars.
2199         (__gcov_init): Remember the longest file name.
2200         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
2201         * doc/gcov.texi (Cross-profiling): New node documenting
2202         cross-profiling management.
2203         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
2204
2205 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2206
2207         * config/sparc/sparc.c (mem_min_alignment): Do not rely
2208         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
2209
2210 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
2211
2212         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
2213         case code to avoid one move instruction.
2214         (__umodsi3, __modsi3): Merge duplicated code sequences.
2215
2216 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2217
2218         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
2219         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
2220         * doc/invoke.texi: Fix typos.
2221
2222         * tree-data-ref.c (analyze_array_indexes, analyze_array,
2223         init_data_ref, access_functions_are_affine_or_constant_p,
2224         free_data_refs): Use VEC instead of VARRAY.
2225         * tree-data-ref.h (data_reference): Change the type of
2226         access_fns to VEC(tree,gc)*.
2227         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
2228
2229 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
2230
2231         PR c/17913
2232         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
2233         * fold-const.c (fold): Expand the condition of reducing cond_expr.
2234         (contains_label_1, contains_label_p): New functions for checking
2235         labels in a sub-tree.
2236
2237 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2238
2239         PR c/21342
2240         * c-decl.c (pushdecl): When there is a declaration in the current
2241         scope and the declarations are external linkage, check for
2242         compatibility with the type in the external scope and update the
2243         type in the external scope with the composite type information.
2244         Do not form a composite type of the new type and the visible type
2245         if they are incompatible.
2246
2247 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2248
2249         * crtstuff.c: Revert part of 2005-05-08 Change.
2250         (IN_LIBGCC2): Define.
2251
2252 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2253
2254         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
2255         remove redundant test.
2256         (fp_mov_p): Accept 0.
2257         (fp_high_losum_p): Remove redundant test.
2258         * config/sparc/predicates.md (const_high_operand): Explicitly test
2259         (not small_int_operand).
2260         (fp_const_high_losum_operand): New.
2261         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
2262         (movdi_insn_sp32_v9): Use canonical predicates.
2263         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
2264         (movdi_insn_sp64_novis): Delete.
2265         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
2266         (movsf_insn_novis): Delete.
2267         (movsf_insn_vis): Rename into movsf_insn.
2268         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
2269         (movsf_lo_sum): Use fp_const_high_losum_operand.
2270         (movsf_high): Likewise.
2271         (movsf_high_losum splitter): Likewise.
2272         (mov<V32:mode> expander): Use register_or_zero_operand.
2273         (mov<V64:mode> expander): Likewise.
2274         (movdf_insn_sp32): Use register_or_zero_operand.
2275         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
2276         Rename into movdf_insn_sp32_no_fpu.
2277         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
2278         Rename into movdf_insn_sp32_v9_no_fpu.
2279         (movdf_insn_v9only_novis): Delete.
2280         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
2281         (movdf_insn_sp64_novis): Delete.
2282         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
2283         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
2284         Rename into movdf_insn_sp64_no_fpu.
2285         (movtf expander): Use register_or_zero_operand.
2286         (movtf_insn_sp32): Delete.
2287         (movtf_insn_vis_sp32): Use register_or_zero_operand.
2288         Rename into movtf_insn_sp32.
2289         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
2290         Rename into movtf_insn_sp32_no_fpu.
2291         (movtf_insn_hq_sp64): Delete.
2292         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
2293         Rename into movtf_insn_sp64_hq.
2294         (movtf_insn_sp64): Delete.
2295         (movtf_insn_vis_sp64): Use register_or_zero_operand.
2296         Rename into movtf_insn_sp64.
2297         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
2298         Rename into movtf_insn_sp64_no_fpu.
2299
2300 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2301
2302         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
2303         gcc_assert and gcc_unreachable as appropriate.
2304         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
2305         xstormy16_output_cbranch_si, xstormy16_split_move,
2306         xstormy16_initial_elimination_offset,
2307         xstormy16_encode_section_info, xstormy16_print_operand_address,
2308         xstormy16_expand_call, xstormy16_expand_arith,
2309         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
2310
2311 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2312
2313         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
2314         const_copies to VEC(tree,heap)*.
2315         (new_elim_graph, delete_elim_graph, elim_graph_size,
2316         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
2317         instead of VARRAY.
2318
2319 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2320
2321         PR other/21052
2322         * doc/extend.texi (Type Attributes): Correct example syntax.
2323
2324 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
2325
2326         PR c/21160
2327         * doc/invoke.texi (-Wuninitialized): Update documentation.
2328
2329 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2330
2331         * arm.c (const_ok_for_arm): Use a faster algorithm.
2332
2333 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
2334
2335         PR target/21477
2336         * config/rs6000/rs6000.md (add_op2): New.
2337         (add<mode>3): Use it.
2338
2339 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2340
2341         * arm.c (arm_gen_constant): Add new heuristic for generating
2342         constant integers that can be expressed as the difference of two
2343         valid immediates.
2344
2345 2005-05-09  Roger Sayle  <roger@eyesopen.com>
2346
2347         * c-tree.h (parser_build_unary_op): New prototype.
2348         * c-typeck.c (parser_build_unary_op): New function to construct
2349         a unary operation in the C parser.
2350         * c-parser.c (c_parser_unary_expression):  Use the new function
2351         parser_build_unary_op when appropriate.
2352
2353 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
2354
2355         PR 18655
2356         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
2357         before outputting DWARF_FRAME_RETURN_COLUMN.
2358
2359 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2360
2361         * config/s390/s390.c: (s390_branch_condition_mask,
2362         s390_branch_condition_mnemonic, s390_extra_constraint_str,
2363         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
2364         legitimize_pic_address, s390_emit_tls_call_insn,
2365         legitimize_tls_address, legitimize_tls_address,
2366         s390_expand_addcc, print_shift_count_operand, print_operand,
2367         addr_generation_dependency_p, annotate_constant_pool_refs,
2368         s390_split_branches, find_constant_pool_ref,
2369         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
2370         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
2371         s390_output_pool_entry, s390_function_value,
2372         s390_call_saved_register_used, s390_emit_call): Replace
2373         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
2374         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
2375         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
2376         get_some_local_dynamic_name, s390_function_arg_size,
2377         s390_function_arg_advance, s390_function_arg,
2378         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
2379         default case by gcc_unreachable.
2380         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
2381         conditional abort by gcc_assert.
2382         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
2383         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
2384
2385 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2386
2387         * config/s390/s390.c: (s390_decompose_address,
2388         tls_symbolic_operand, legitimate_pic_operand_p,
2389         legitimate_constant_p, legitimate_reload_constant_p,
2390         s390_expand_plus_operand, legitimate_address_p,
2391         legitimate_la_operand_p, ): Remove 'register' from signature.
2392         (symbolic_reference_mentioned_p,
2393         tls_symbolic_reference_mentioned_p): Remove 'register' from local
2394         variable declarations.
2395         (legitimize_address): Remove 'register' from
2396         signature and local variable declarations.
2397
2398 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2399
2400         * config/s390/s390-protos.h: (s390_match_ccmode,
2401         s390_match_ccmode_set, reg_used_in_mem_p,
2402         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2403         legitimate_la_operand_p, preferred_la_operand_p,
2404         s390_short_displacement, addr_generation_dependency_p,
2405         legitimate_reload_constant_p, legitimate_address_p): Change return type
2406         into 'bool'.
2407         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2408         * config/s390/s390.c: (s390_match_ccmode,
2409         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2410         legitimate_reload_constant_p): Change return type into 'bool'.
2411         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
2412         Likewise.  Additionally adapted comment.
2413         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
2414         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2415         (s390_decompose_address): Change the type of the internal flags
2416         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
2417         (struct s390_address): Change type of "pointer" into bool.
2418         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
2419         Adapt calls for 's390_tm_ccmode' to the new signature.
2420
2421 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2422
2423         * config/s390/s390.c: (s390_match_ccmode_set,
2424         s390_branch_condition_mnemonic, s390_short_displacement,
2425         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
2426         print_shift_count_operand, get_some_local_dynamic_name,
2427         get_some_local_dynamic_name_1, reg_used_in_mem_p,
2428         addr_generation_dependency_p, s390_split_branches,
2429         annotate_constant_pool_refs, find_constant_pool_ref,
2430         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
2431         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
2432         s390_register_info, s390_frame_info, s390_init_frame_layout,
2433         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
2434         restore_gprs, s390_function_arg_size, s390_function_arg_float,
2435         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
2436         s390_encode_section_info, s390_cannot_force_const_mem,
2437         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
2438         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
2439         s390_adjust_priority, s390_issue_rate,
2440         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
2441         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
2442         s390_build_builtin_va_list, s390_gimplify_va_arg,
2443         s390_function_ok_for_sibcall, s390_call_saved_register_used,
2444         s390_pass_by_reference, s390_fixed_condition_code_regs,
2445         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
2446         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
2447         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
2448         s390_add_pool_insn, s390_find_pool, s390_add_constant,
2449         s390_find_constant, s390_add_execute, s390_find_execute,
2450         s390_execute_label, s390_execute_target, s390_dump_pool,
2451         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
2452         Move target macro definitions to the end of the file.  Move several
2453         functions within the file to assure correct compiling.
2454
2455 2005-05-09  Steven Bosscher  <stevenb@suse.de>
2456
2457         * calls.c (purge_reg_equiv_notes): Remove, fold into...
2458         (fixup_tail_calls): ...here.  Only look at insns between the
2459         start of the function and the FUNCTION_BEG insn note.
2460
2461         * gcse.c (one_cprop_pass): Fix typos in dumps.
2462
2463         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
2464
2465 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2466
2467         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
2468         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
2469         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
2470         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
2471         CC_REGNUM)'.
2472         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
2473         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
2474         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
2475         REG_SC)'.
2476
2477 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2478
2479         * config/s390/s390.md: ("gf") New mode attribute.
2480         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
2481         "fixuns_truncsfsi2"): Merge.
2482         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
2483         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
2484         "fix_truncsfsi2_ieee"): Merge.
2485
2486 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2487
2488         * config/s390/s390.md: ("FPR") New mode macro.
2489         ("de", "dee"): New mode attributes.
2490         ("cmpdf", "cmpsf"): Merge.
2491         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
2492         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
2493         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
2494         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
2495         ("floatdidf2", "floatdisf2"): Merge.
2496         ("adddf3", "addsf3"): Merge.
2497         ("*adddf3", "*addsf3"): Merge.
2498         ("*adddf3_cc", "*addsf3_cc"): Merge.
2499         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
2500         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
2501         ("subdf3", "subsf3"): Merge.
2502         ("*subdf3", "*subsf3"): Merge.
2503         ("*subdf3_cc", "*subsf3_cc"): Merge.
2504         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
2505         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
2506         ("muldf3", "mulsf3"): Merge.
2507         ("*muldf3", "*mulsf3" "): Merge.
2508         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
2509         ("*fmadddf", "*fmaddsf"): Merge.
2510         ("*fmsubdf", "*fmsubsf"): Merge.
2511         ("divdf3", "divsf3"): Merge.
2512         ("*divdf3", "*divsf3"): Merge.
2513         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
2514         ("negdf2", "negsf2"): Merge.
2515         ("*negdf2_cc", "*negsf2_cc"): Merge.
2516         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
2517         ("*negdf2", "*negsf2"): Merge.
2518         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
2519         ("absdf2", "abssf2"): Merge.
2520         ("*absdf2_cc", "*abssf2_cc"): Merge.
2521         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
2522         ("*absdf2", "*abssf2"): Merge.
2523         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
2524         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
2525         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
2526         ("*negabsdf2", "*negabssf2"): Merge.
2527         ("sqrtdf2", "sqrtsf2"): Merge.
2528
2529 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2530
2531         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
2532         attribute names.
2533         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
2534         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
2535         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2536         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
2537         attribute names.
2538         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
2539         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
2540         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
2541         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
2542         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
2543         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
2544         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
2545         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
2546         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
2547         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
2548         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
2549         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
2550         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
2551         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
2552         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
2553         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
2554         'type' value.
2555         ("*divsf3"): Additionally rename second pattern to
2556         "*divsf3_ibm".
2557         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
2558         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
2559         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
2560         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
2561         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
2562         'type values' and rename 'type' value.
2563         ("*addsf3"): Additionally rename second pattern to
2564         "*addsf3_ibm".
2565
2566 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2567
2568         * config/s390/s390.md: ("SHIFT"): New mode macro.
2569         ("lr", "shift"): New mode attributes.
2570         ("ashldi3", "lshrdi3"): Merge.
2571         ("*ashldi3_31", "*lshrdi3"_31): Merge.
2572         ("*ashldi3_64", "*lshrdi3"_64): Merge.
2573         ("ashlsi3", "lshrsi3"): Merge.
2574
2575 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2576
2577         * config/s390/s390.md: ("DSI", "SCOND"): New mode
2578         macros.
2579         ("E", "g"): New mode attributes.
2580         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
2581         ("*adddi3_alc", "*addsi3_alc"): Merge.
2582         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
2583         ("*subdi3_slb", "*subsi3_slb"): Merge.
2584         ("adddicc", "addsicc"): Merge.
2585         ("*sconddi", "*scondsi"): Merge.
2586         ("*sconddi_neg", "*scondsi_neg"): Merge.
2587         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
2588         ("negdi2", "negsi2"): Extract expander pattern from
2589         "negsi2" and merge with "negdi2".
2590         ("*negdi2"): Merge with instruction pattern of "negsi2".
2591         ("*negdi2_cc", "*negsi2_cc"): Merge.
2592         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
2593         ("rotldi3", "rotlsi3"): Merge.
2594
2595 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2596
2597         * config/s390/s390.md: ("hc"): New mode attribute.
2598         ("extendhidi2", "extendqidi2"): Merge.
2599         ("*extendhidi2", "*extendqidi2"): Merge.
2600         ("extendhisi2", "extendqisi2"): Merge.
2601         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
2602         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
2603         Merged 2 define_split.
2604         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
2605         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
2606
2607 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2608
2609         * config/s390/s390.md: ("COMPARE"): New mode macro.
2610         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
2611         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
2612         "bungt", "bunle", "bunge", "bltgt"): Merge.
2613
2614 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2615
2616         * config/s390/s390.md: ("INT"): New mode macro.
2617         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
2618         Merge.
2619
2620 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2621
2622         * config/s390/s390.md: ("GPR", "P"): New mode macros.
2623         ("cmpdi", "cmpsi"): Merge.
2624         ("strlendi", "strlensi"): Merge.
2625         ("*strlendi", "*strlensi"): Merge.
2626         ("movmemdi", "movmemsi"): Merge.
2627         ("clrmemdi", "clrmemsi"): Merge.
2628
2629 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2630
2631         * config/s390/s390.md: ("HQI"): New mode macro.
2632         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
2633         ("*tmhi_full", "*tmqi_full"): Merge.
2634         ("*tsthiCCT", "*tstqiCCT"): Merge.
2635         ("*tsthi", "*tstqi"): Merge.
2636         ("*tsthi_cconly", "tstqi_cconly"): Merge.
2637         ("*sethighhisi", "*sethighqisi"): Merge.
2638
2639 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
2640
2641         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
2642         config/alpha/unicosmk.h, config/arc/arc.md,
2643         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
2644         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
2645         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
2646         config/arm/semi.h, config/arm/uclinux-elf.h,
2647         config/arm/wince-pe.h, config/fr30/fr30.c,
2648         config/rs6000/altivec.h: Update copyright.
2649
2650 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2651
2652         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
2653         gcc_assert and gcc_unreachable as appropriate.
2654         (pdp11_output_function_epilogue, output_move_double,
2655         output_move_quad, print_operand_address, output_jump,
2656         output_addr_const_pdp11): Likewise.
2657         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
2658         ASM_OUTPUT_ALIGN): Likewise.
2659         * config/pdp11/pdp11.md: Likewise.
2660         (extendhisi2, subhi3, subqi3): Likewise.
2661
2662 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
2663
2664         PR middle-end/21237
2665         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
2666         to NE_EXPR case.
2667
2668 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
2669
2670         * config/ia64/ia64.c: Fix a comment typo.
2671
2672 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
2673
2674         PR target/21397
2675         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
2676         (arm_override_options): Use them instead of manifest constants.  Don't
2677         allow -march to override the -mtune setting.
2678
2679 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2680
2681         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
2682         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
2683         (function_arg_advance, function_arg, save_restore_insns,
2684         iq2000_expand_prologue, iq2000_output_conditional_branch,
2685         expand_one_builtin, print_operand):
2686         * config/iq2000/iq2000.md (tablejump): Likewise.
2687
2688 2005-05-09  David Ung  <davidu@mips.com>
2689
2690         * config/mips/mips.h (processor_type): Add names for the 24K.
2691         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
2692         processor family.
2693         * config/mips/mips.md (cnv_mode): New attribute for recording the
2694         conversion types of float convert insns.
2695         (cpu): Add 24k and 24kx.
2696         (include): Include 24k.md file.
2697         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
2698         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
2699         (floatdisf2): Setup cnv_mode.
2700         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
2701         setup cnv_mode.
2702         * config/mips/24k.md: New file, contains 24k DFA pipeline
2703         description.
2704
2705 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2706
2707         * config/sh/sh.c (print_operand_address): Use gcc_assert and
2708         gcc_unreachable as appropriate.
2709         (print_operand, prepare_move_operands, prepare_scc_operands,
2710         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
2711         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
2712         fixup_mova, gen_far_branch, sh_reorg, split_branches,
2713         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
2714         sh_set_return_address, sh_setup_incoming_varargs,
2715         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
2716         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
2717         check_use_sfunc_addr): Likewise.
2718         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
2719         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2720         * config/sh/symbian.c (sh_symbian_mark_dllexport,
2721         sh_symbian_mark_dllimport): Likewise.
2722         * config/sh/sh.md: Likewise.
2723         (movdicc, call_pop, call_value_pop, casesi_worker_1,
2724         casesi_worker_2, casesi_shift_media, casesi_load_media,
2725         return_media): Likewise.
2726
2727 2005-05-08  Roger Sayle  <roger@eyesopen.com>
2728
2729         PR inline-asm/8788
2730         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
2731         operands.
2732
2733 2005-05-08  Richard Henderson  <rth@redhat.com>
2734
2735         * config/alpha/alpha.c (adjust_address): Fix typo last change.
2736
2737 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2738
2739         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
2740         and -1 can happen in reg_renumber when no hard register is assigned.
2741
2742 2005-05-08  Steven Bosscher  <stevenb@suse.de>
2743             Kazu Hirata  <kazu@cs.umass.edu>
2744
2745         PR tree-optimization/14841, tree-optimization/15838
2746         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
2747         (evaluate_stmt): Call it.
2748
2749 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
2750
2751         * config/ia64/ia64.c (ia64_override_options): Don't set
2752         ia64_flag_var_tracking and clear flag_var_tracking here...
2753         (ia64_file_start): ... but here.
2754
2755 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2756
2757         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
2758         and gcc_unreachable as appropriate.
2759         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
2760         m68hc11_gen_highpart, print_operand, print_operand_address,
2761         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
2762         m68hc11_gen_movhi): Likewise.
2763         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
2764         * config/m68hc11/m68hc11.md: Reword comment.
2765
2766 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2767
2768         PR target/21281
2769         * config/m68hc11/predicates.md (splitable_operand): An immediate is
2770         allowed.
2771
2772 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2773
2774         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
2775         the 68HC12 address indirect addressing mode as it is not supported by
2776         bset and bclr.
2777         * config/m68hc11/m68hc11-protos.h
2778         (m68hc11_valid_addressing_p): Declare.
2779         (m68hc11_add_mode): Declare.
2780         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
2781         register_indirect_p and export it.
2782         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
2783         instruction so that it is part of the good BB.
2784         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
2785         addressing with movw.
2786         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
2787         68HC12.
2788         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
2789         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
2790         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
2791         for 68HC11.
2792         ("*movhi_68hc12"): Handle movhi_const0.
2793         ("*subhi3", "subqi3"): Use general_operand for operand 1.
2794         ("*subhi3_zext"): Likewise.
2795
2796 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2797
2798         PR target/19051
2799         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
2800         operand 1 and fix constraints.
2801         ("mulqihi3"): Use general_operand for operand 2.
2802
2803 2005-05-08  Julian Brown  <julian@codesourcery.com>
2804             H.J. Lu  <hongjiu.lu@intel.com>
2805             Paul Brook  <paul@codesourcery.com>
2806
2807         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2808         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2809         20050308/2.16.0 or newer for comdat group.
2810         * configure: Regenerated.
2811         * config.in: Regenerated.
2812         * varasm.c (default_function_rodata_section): Put .rodata section in
2813         COMDAT group when necessary.
2814         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2815         HAVE_COMDAT_GROUP.
2816         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2817         available.
2818
2819 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2820
2821         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2822         instead of VARRAY.
2823         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2824         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2825         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2826         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2827
2828 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2829
2830         PR target/16925
2831         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2832         64-bit constants on 64-bit hosts.
2833         (m68hc11_split_logical): Simplify.
2834         (m68hc11_split_move): Likewise.
2835
2836 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2837             Paolo Bonzini  <bonzini@gnu.org>
2838
2839         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2840         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2841         * configure.ac (enable_checking): Fix typos in runtime_checking.
2842         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2843         (xm_file): Prepend auto-host.h
2844         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2845         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2846         tconfig.h.
2847         * crtstuff.c: Do not include auto-host.h.
2848         (IN_LIBGCC2): Do not define.
2849         * gcov-io.h: Include tconfig.h, not auto-host.h.
2850         * libgcc2.c: Do not include auto-host.h.
2851         (abort): Do not undefine.
2852         * libgcov.c: Remove unneeded comment about config.h.
2853         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2854         * config.in, configure: Regenerated.
2855
2856 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2857             Falk Hueffner  <falk@debian.org>
2858
2859         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2860         and gcc_unreachable as appropriate.
2861         (get_aligned_mem, get_unaligned_address,
2862         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2863         alpha_emit_setcc, alpha_emit_conditional_move,
2864         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2865         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2866         alpha_expand_unaligned_load, alpha_expand_block_move,
2867         alpha_expand_zap_mask, get_trap_mode_suffix,
2868         get_round_mode_suffix, get_some_local_dynamic_name,
2869         print_operand_address, function_arg, alpha_return_in_memory,
2870         function_value, alpha_expand_builtin,
2871         alpha_initial_elimination_offset, alpha_expand_epilogue,
2872         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2873         alphaev5_next_group, alpha_align_insns,
2874         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2875         unicosmk_ssib_name): Likewise.
2876         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2877         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2878         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2879         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2880         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2881         * config/alpha/alpha.md (*divmodsi_internal_er,
2882         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2883         call_nt, call_umk, call_vms, call_value, sibcall_value,
2884         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2885         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2886         * config/alpha/predicates.md (input_operand): Likewise.
2887
2888 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2889
2890         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2891         gcc_unreachable, as appropriate.
2892         (frv_function_prologue, frv_alloc_temp_reg,
2893         frv_initial_elimination_offset, frv_expand_block_move,
2894         frv_expand_block_clear, frv_print_operand_jump_hint,
2895         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2896         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2897         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2898         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2899         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2900         frv_in_small_data_p, frv_asm_out_constructor,
2901         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2902         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2903         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2904         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2905         sibcall_value, casesi): Likewise.
2906
2907         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2908         gcc_unreachable as appropriate.
2909         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2910         expand_epilogue, notice_update_cc, initial_offset,
2911         mn10300_address_cost_1): Likewise.
2912         * config/mn10300/mn10300.md: Likewise.
2913         (absdf2, abssf2, negdf2, negsf2): Likewise.
2914
2915 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2916
2917         PR target/21416
2918         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2919         comparisons.
2920         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2921         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2922         including sunge_<mode> and sungt_<mode>.
2923
2924 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2925
2926         * integrate.h (get_hard_reg_initial_val): Change type of register
2927         parameter from int to unsigned int.
2928         (has_hard_reg_initial_val): Likewise.
2929         * integrate.c (get_hard_reg_initial_val): Likewise.
2930         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2931
2932 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2933
2934         * except.c (eh_status): Change the type of ttype_data to
2935         VEC(tree,gc)*.
2936         (add_ttypes_entry, assign_filter_values,
2937         output_function_exception_table): Use VEC instead of VARRAY.
2938
2939 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2940
2941         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2942
2943 2005-05-07  Paul Brook  <paul@codesourcery.com>
2944
2945         * Makefile.in: Fix dependencies.
2946         (GCOV_IO_H, VARRAY_H): Set.
2947
2948 2005-05-07  Anthony Green  <green@redhat.com>
2949
2950         PR bootstrap/21403
2951         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2952         x$STMP_FIXPROTO test.
2953         * configure: Rebuilt.
2954
2955 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2956
2957         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2958         inappropriate feature test macros if flag_iso.
2959
2960 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2961
2962         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2963
2964 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2965
2966         PR target/21441
2967         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2968         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2969         Handle moved operand being in special register.
2970         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2971         presumed working insn.
2972         (mover2side): Add FIXME.
2973
2974 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2975
2976         * integrate.c (get_func_hard_reg_initial_val): Delete.
2977         (has_func_hard_reg_initial_val): Delete.
2978         (get_hard_reg_initial_val): Inline the old implementation of
2979         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2980         instead of has_func_hard_reg_initial_val to test for an existing
2981         pseudo.  Only create an rtx if a new initial value entry is needed.
2982         (has_hard_reg_initial_val): Scan the initial value list directly.
2983         Don't create an rtx.
2984
2985 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2986
2987         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2988         from extra_options.
2989         * config.in (HAVE_AS_POPCNTB): New.
2990         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2991         (HAVE_AS_POPCNTB): New.
2992         * configure: Regenerated.
2993         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2994         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2995         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2996         and rs6000_sched_costly_dep.
2997         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2998         (TARGET_XL_COMPAT): Delete.
2999         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
3000         (popcount<mode>2): New.
3001         (popcntb<mode>2): New.
3002         * config/rs6000/rs6000.opt (mpopcntb): New.
3003
3004         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
3005         if variable name exists.
3006
3007 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
3008
3009         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
3010
3011 2005-05-07  Richard Henderson  <rth@redhat.com>
3012
3013         PR target/21412
3014         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
3015         with constant offsets.
3016
3017 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
3018
3019         * config/v850/v850.c (print_operand): Use gcc_assert and
3020         gcc_unreachable, as appropriate.
3021         (print_operand_address, v850_handle_data_area_attribute,
3022         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
3023         v850_insert_attributes, construct_prepare_instruction): Likewise.
3024         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3025         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
3026
3027 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
3028
3029         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
3030         config/rs6000/rs6000.h: Fix comment typos.
3031
3032 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
3033
3034         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
3035         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
3036         (mips_scalar_mode_supported_p): Delete.
3037
3038 2005-05-06  Eric Christopher  <echristo@redhat.com>
3039
3040         * config/mips/mips.opt: Remove -mint64 option.
3041         * config/mips/mips.c (override_options): Remove -mint64
3042         handling.
3043         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
3044         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
3045         64-bit integer handling.
3046         * doc/invoke.texi (Option Summary): Remove -mint64 for
3047         mips.
3048
3049 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3050
3051         PR tree-optimization/19401
3052         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
3053         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
3054         (estimated_unrolled_size): New function.
3055         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
3056         tree_unroll_loops_completely): Always unroll loops if the code size
3057         does not increase.
3058         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
3059         loops should be unrolled completely.
3060         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
3061
3062 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3063
3064         PR rtl-optimization/21254
3065         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
3066         assumptions for loops that otherwise do not roll.
3067         (find_simple_exit): Prefer # of iterations that is guaranteed
3068         not to be infinite.
3069         * loop-unroll.c (decide_peel_once_rolling,
3070         decide_peel_completely): Check whether the loop is infinite.
3071
3072 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
3073
3074         * config/rs6000/sysv4.opt: Fix typo.
3075
3076 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
3077             Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR target/21329
3080         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
3081         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
3082         Don't use rep; movs{l,q} if the repetition count is really small,
3083         instead use a sequence of movs{l,q} instructions.
3084
3085 2005-05-06  Jeff Law  <law@redhat.com>
3086
3087         PR tree-optimization/21380
3088         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
3089         thread through a block with no preds.
3090
3091 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
3092
3093         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
3094         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
3095         add_call_read_ops): Use VEC instead of VARRAY.
3096
3097 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3098
3099         * config/mcore/mcore.c (mcore_print_operand_address): Use
3100         gcc_assert and gcc_unreachable as appropriate.
3101         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
3102         mcore_output_andn, output_inline_const, mcore_output_move,
3103         mcore_output_movedouble, mcore_expand_block_move,
3104         layout_mcore_frame, mcore_initial_elimination_offset,
3105         mcore_expand_prolog, mcore_mark_dllexport,
3106         mcore_mark_dllimport): Likewise.
3107         * config/mcore/mcore.h (switch_to_section): Likewise.
3108         * config/mcore/mcore.md: Likewise.
3109
3110 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
3111
3112         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
3113         TARGET_PROFILE_KERNEL.
3114
3115         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
3116         TARGET_PROFILE_KERNEL use.
3117
3118 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3119
3120         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
3121         and gcc_unreachable, as appropriate.
3122         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
3123         m32r_expand_prologue, m32r_output_function_epilogue,
3124         m32r_legitimize_pic_address, m32r_print_operand_address,
3125         emit_cond_move, m32r_function_symbol,
3126         m32r_output_block_move): Likewise.
3127         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3128         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
3129         *rev_zero_branch_insn): Likewise.
3130
3131 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
3132
3133         PR c++/20961
3134         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
3135         if both NEWDECL and OLDDECL are already weak.
3136
3137 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
3138
3139         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3140
3141 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
3142             Kaz Kojima  <kkojima@gcc.gnu.org>
3143
3144         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
3145         and plus_constant.
3146
3147 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
3148             David Edelsohn  <edelsohn@gnu.org>
3149
3150         * config.gcc: Add .opt magic for the rs6000 ports.
3151
3152         * doc/invoke.texi: Document -mabi= option properly.  Document
3153         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
3154         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
3155         -misel=.
3156
3157         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
3158         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
3159         TARGET_XL_COMPAT.
3160
3161         * config/rs6000/aix.opt: New.
3162         * config/rs6000/aix41.opt: New.
3163         * config/rs6000/aix64.opt: New.
3164         * config/rs6000/darwin.opt: New.
3165         * config/rs6000/linux64.opt: New.
3166         * config/rs6000/rs6000.opt: New.
3167         * config/rs6000/sysv4.opt: New.
3168
3169         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
3170         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
3171         SUBTARGET_SWITCHES.
3172         Define TARGET_USES_SYSV4_OPT.
3173         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
3174         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
3175         TARGET_USES_AIX64_OPT.
3176         * config/rs6000/aix51.h: Same.
3177         * config/rs6000/aix52.h: Same.
3178         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
3179         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
3180         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
3181         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
3182         * config/rs6000/linux64.h: Use
3183         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
3184
3185         * config/rs6000/rs6000.c: Remove definitions of
3186         rs6000_sched_restricted_insns_priority,
3187         rs6000_long_double_size_string, rs6000_altivec_vrsave,
3188         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
3189         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3190         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
3191         rs6000_alignment_string.  Define rs6000_explicit_options.
3192         (rs6000_parse_abi_options): Remove.
3193         (rs6000_parse_alignment_option): Remove.
3194         (rs6000_parse_float_gprs_option): Remove.
3195         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
3196         TARGET_DEFAULT_TARGET_FLAGS.
3197         (rs6000_override_options): Revamp to use new .opt machinery.
3198
3199         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
3200         of new .opt machinery.  Remove target_flags.  Redefine
3201         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
3202         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
3203         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3204         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
3205         rs6000_longcall_switch, rs6000_default_long_calls,
3206         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
3207         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
3208         TARGET_ALTIVEC_VRSAVE.
3209
3210 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3211
3212         * config.gcc (hppa1.1-*-rtems*): Remove.
3213         * config/pa/rtems.h: Remove.
3214
3215 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3216
3217         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
3218         Exclude roe/603e multilib variants.
3219
3220 2005-05-04  Denis Chertykov  <denisc@overta.ru>
3221
3222         PR target/21284
3223         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
3224         for output.
3225
3226 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
3227
3228         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
3229         arm/pe.opt to $extra_options.
3230         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
3231         (target_float_abi_name, target_float_switch, target_abi_name)
3232         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
3233         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
3234         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
3235         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
3236         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
3237         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
3238         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
3239         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
3240         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
3241         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
3242         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
3243         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
3244         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
3245         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
3246         (arm_pic_register_string): Delete.
3247         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
3248         TARGET_TPCS_FRAME.
3249         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
3250         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
3251         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
3252         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
3253         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
3254         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
3255         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
3256         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
3257         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
3258         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
3259         (SUBTARGET_SWITCHES): Delete.
3260         * config/arm/arm.c (target_float_switch): Delete.
3261         (arm_cpu_select): Moved from config/arm/arm.h.
3262         (target_fpu_name, target_fpe_name, target_float_abi_name)
3263         (target_abi_name, structure_size_string, arm_pic_register_string)
3264         (arm_select): Make static.
3265         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3266         (arm_handle_option): New function.
3267         (arm_override_options): Update target_flags checks for new mask names.
3268         Remove target_float_switch code.
3269         (arm_expand_prologue, thumb_expand_prologue): Check
3270         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
3271         * config/arm/arm.opt, config/arm/pe.opt: New files.
3272
3273 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
3274
3275         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
3276         gcc_unreachable as appropriate.
3277         (arc_double_limm_p, arc_setup_incoming_varargs,
3278         arc_compute_function_type, arc_output_function_prologue,
3279         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
3280         output_shift, arc_print_operand, arc_print_operand_address,
3281         arc_final_prescan_insn): Likewise.
3282         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
3283
3284 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
3285
3286         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
3287         comparing Pmode.
3288         (SDI): New.
3289         (cmp): Delete.
3290         (wd): New.
3291         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
3292         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
3293         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
3294         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
3295         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
3296         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
3297         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
3298         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
3299
3300 2005-05-05  Paul Brook  <paul@codesourcery.com>
3301
3302         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
3303         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
3304         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
3305         and tree-data-ref.h with *_H variables.
3306
3307 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3308
3309         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
3310
3311 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3312
3313         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
3314
3315 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
3316
3317         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
3318
3319 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
3320
3321         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
3322         setting of vrsave register for current function after
3323         call to save_world is emitted.
3324
3325 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
3326
3327         * config/mmix/predicates.md: New file.
3328         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
3329         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
3330         (mmix_foldable_comparison_operator, mmix_comparison_operator)
3331         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
3332         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3333         Don't define.
3334         * config/mmix/mmix.md: Include predicates.md.
3335         ("call", "call_value"): Force address to register if it isn't a
3336         mmix_symbolic_or_address_operand.
3337
3338 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
3339
3340         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
3341         the flags are of appropriate types.
3342         (num_ssa_operands): Generalize using the generic interface.
3343         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
3344         iterator.
3345
3346 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
3347
3348         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
3349         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
3350
3351 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3352
3353         * tree-outof-ssa.c (edge_leader, stmt_list,
3354         analyze_edges_for_bb): Use VEC instead of VARRAY.
3355         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
3356         (perform_edge_inserts): Call init_analayze_edges_for_bb and
3357         fini_analayze_edges_for_bb.
3358
3359 2005-05-04  James E Wilson  <wilson@specifixinc.com>
3360
3361         PR driver/21112
3362         * gcc.c (process_command): In the second argv scan loop, ignore
3363         Xassembler and Xpreprocessor, along with their argument.
3364
3365 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3366
3367         * tree-flow-inline.h, tree-ssa-operands.c,
3368         tree-ssa-operands.h, tree-ssa-opfinalize.h:
3369         Likewise. tree-vn.c: Fix comment typos.
3370         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
3371
3372 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
3373
3374         * doc/tm.texi (Target Hooks): Document
3375         TARGET_RESOLVE_OVERLOADED_BUILTIN.
3376
3377 2005-05-04  Paul Brook  <paul@codesourcery.com>
3378
3379         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
3380
3381 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3382
3383         * dwarf2out.c (incomplete_types, retry_incomplete_types,
3384         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
3385         of VARRAY.
3386
3387         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
3388         get_expansion, expand_var_during_unrolling,
3389         insert_var_expansion_initialization,
3390         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
3391         instead of VARRAY.
3392
3393         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
3394         update_stmt.
3395
3396 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
3397
3398         PR middle-end/15618
3399         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
3400         the same as INTEGER_TYPE.
3401         (fold_binary): Fold "bool_var != 0" to bool_var.
3402         Fold "bool_var == 1" to bool_var.
3403
3404 2004-05-03  Richard Henderson  <rth@redhat.com>
3405
3406         PR middle-end/21318
3407         * function.c (instantiate_virtual_regs_in_insn): Use the mode
3408         from recog_data instead of insn_data.
3409
3410 2005-05-03  DJ Delorie  <dj@redhat.com>
3411
3412         * common.opt (fdiagnostics-show-option): No variable is needed.
3413         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
3414         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
3415         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
3416         Save and restore original message format.  Use flag in context
3417         instead of global.
3418         (warning): Don't test for enabled warnings here.
3419         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
3420         here.
3421
3422 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
3423
3424         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
3425         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
3426         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
3427         * aclocal.m4: Don't include accross.m4.
3428         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
3429         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
3430         * configure, config.in: Regenerate.
3431
3432 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
3433
3434         PR middle-end/21265
3435         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
3436         (clear_storage): Add argument.
3437         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
3438         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
3439         tailcall.
3440         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
3441         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
3442         (store_expr, store_constructor): Adjust callers.
3443         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
3444         to emit_block_move if CALL_EXPR_TAILCALL (exp).
3445         (expand_builtin_memmove): Add ORIG_EXP argument, copy
3446         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
3447         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
3448         with EXP.  Pass EXP to expand_builtin_memmove.
3449         (expand_builtin_memset): Add ORIG_EXP argument, pass
3450         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
3451         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
3452         Pass EXP to expand_builtin_memset.
3453         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
3454         the new CALL_EXPR.
3455         (expand_builtin_strncmp): Likewise.
3456         (expand_builtin_printf): Replace ARGLIST argument with EXP.
3457         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
3458         (expand_builtin_fprintf): Likewise.
3459         (expand_builtin): Adjust calls to
3460         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
3461
3462         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
3463         item in V4SF mode.
3464
3465         PR rtl-optimization/21239
3466         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
3467
3468 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3469
3470         * tree-flow.h (tree_ann_common_d): Move aux to ...
3471         (stmt_ann_d): ... here.
3472         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
3473         move_computations_stmt, schedule_sm): Update references to
3474         aux.
3475         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
3476
3477         * tree-cfg.c (remove_bb): Remove a redundant call to
3478         set_bb_for_stmt.
3479         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
3480         Likewise.
3481
3482 2005-05-03  Richard Henderson  <rth@redhat.com>
3483
3484         * config/rs6000/rs6000.c: Remove conflict markers.
3485
3486         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
3487
3488 2005-05-03  James E Wilson  <wilson@specifixinc.com>
3489
3490         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
3491
3492 2005-05-03  DJ Delorie  <dj@redhat.com>
3493
3494         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
3495         decide if the warning will be printed.
3496         * calls.c (expand_call): Likewise.
3497         * function.c (init-function_start): Likewise.
3498
3499         * common.opt (-fdiagnostics-show-option): New.
3500         * opts.c (option_enabled): Accept the option index instead of a
3501         pointer to the option descriptor.
3502         * opts.h (option_enabled): Likewise.
3503         * toplev.c (print_switch_values): Pass option index, not option
3504         descriptor.
3505         * diagnostic.h (diagnostic_info): Add option_index.
3506         * diagnostic.c: Include opts.h.
3507         (diagnostic_set_info): Initialize option_index.
3508         (diagnostic_report_diagnostic): Amend option name if appropriate.
3509         (warning): Check to see if the specified warning is enabled.
3510         Store option index.
3511         * doc/invoke.texi (-fdiagnostics-show-options): Document.
3512
3513 2005-05-03  Richard Henderson  <rth@redhat.com>
3514
3515         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
3516         SPEC_OR_GEN_REGS definitions.
3517
3518 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
3519
3520         PR target/16888
3521         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
3522         for unavailable registers.
3523
3524 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3525
3526         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
3527
3528         * cfglayout.c (block_locators_blocks,
3529         insn_locators_initialize, insn_scope): Use VEC instead of
3530         VARRAY.
3531
3532         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
3533         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
3534         VARRAY.
3535
3536 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3537
3538         * config/sparc/predicates.md (const_compl_high_operand): New.
3539         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
3540         gen_safe_HIGH64.
3541         (sparc_emit_set_const64_quick1): Adjust for above change.
3542         (sparc_emit_set_const64_quick2): Likewise.
3543         (sparc_emit_set_const64_longway): Likewise.
3544         (sparc_emit_set_const64): Likewise.
3545         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
3546         movdi_const64_special): Delete.
3547         (logical constant splitters): Use const_compl_high_operand.
3548
3549 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
3550
3551         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
3552         rather than STRIP_NOPS.
3553
3554 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
3555
3556         PR rtl-optimization/21330
3557         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
3558         returning non-NULL.
3559         (unswitch_single_loop): Clear cinsn when retrying.
3560
3561         PR target/21297
3562         * config/i386/i386.c (legitimize_address): When canonicalizing
3563         ASHIFT into MULT, multiply by 1 << shift_count instead of
3564         1 << log2 (shift_count).
3565
3566 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
3567
3568         * lambda-code.c (gcc_loop_to_lambda_loop,
3569         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
3570         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
3571         generic operand interface.
3572         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
3573         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
3574         generic operand interface.
3575         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
3576         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
3577         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
3578         num_imm_uses): Use ssa_use_operand_t.
3579         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
3580         get_v_must_def_ops): Delete.
3581         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
3582         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
3583         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
3584         get_v_must_def_kill_ptr): Delete.
3585         (delink_stmt_imm_use): Move and use new operand interface.
3586         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
3587         op_iter_next_tree): Use new operand implementation.
3588         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
3589         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
3590         type check.
3591         (op_iter_next_mustdef, op_iter_next_maydef,
3592         op_iter_next_must_and_may_def): Delete. Replace with...
3593         (op_iter_next_maymustdef): New.  Combine must and may next operations.
3594         (op_iter_init_maydef, op_iter_init_mustdef,
3595         op_iter_init_must_and_may_def): Use new interface.
3596         (single_ssa_tree_operand ): New.  Process single operands only as trees.
3597         (single_ssa_use_operand): New.  Process single operands only as uses.
3598         (single_ssa_def_operand): New.  Process single operands only as defs.
3599         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
3600         specified types.
3601         (num_ssa_operands): New.  Count the number of specified operands.
3602         (compare_ssa_operands_equal): New.  Compare two statements' operands.
3603         (single_phi_def): New.  Return true if PHI has one def of the specified
3604         operand type.
3605         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
3606         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
3607         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
3608         (struct stmt_ann_d): Operands field no longer require GTY().
3609         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
3610         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
3611         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
3612         dump_replaceable_exprs, rewrite_trees): Use generic interface.
3613         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
3614         Use use_operand_p instead of ssa_imm_use_t *.
3615         * tree-pretty-print.c (dump_vops): check if operands are active before
3616         dumping virtual operands.
3617         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
3618         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
3619         (ccp_fold): Use new interface.
3620         (ccp_visit_stmt): Remove unused variables and code.
3621         (convert_to_gimple_builtin): Insert statements before calling
3622         mark_new_vars_to_rename.
3623         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
3624         (copy_prop_visit_cond_stmt): Use generic interface.
3625         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
3626         annotation in table.
3627         (thread_across_edge): Use generic interface.
3628         (initialize_hash_element): Initialzie with stmt, not annotation.
3629         (eliminate_redundant_computations): Use generic interface.
3630         (record_equivalences_from_stmt): Pass stmt, not annotation.
3631         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
3632         interface.
3633         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
3634         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
3635         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
3636         generic operand interface.
3637         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
3638         interface.
3639         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
3640         Interface.
3641         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
3642         (build_defs, build_uses, build_v_may_defs, build_vuses,
3643         build_v_must_defs): Change type to struct opbuild_list_d.
3644         (ops_active): New.  Operands active boolean.
3645         (operand_memory, operand_memory_index): New.  Operand memory managers.
3646         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
3647         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
3648         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
3649         Change from functions to static variable list heads.
3650         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
3651         (opbuild_initialize_real): New.  Initialize a virtual build list.
3652         (opbuild_free): New.  Free a build list.
3653         (opbuild_num_elems): New.  Number of items in a list.
3654         (opbuild_append_real): New.  Add a real (tree *) operand.
3655         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
3656         (opbuild_first): New.  Return first element index in a list.
3657         (opbuild_next): New.  Return next element in a list.
3658         (opbuild_elem_real): New.  Return real element.
3659         (opbuild_elem_virtual): New.  Return virtual element.
3660         (opbuild_elem_uid): New.  Return UID of virtual element.
3661         (opbuild_clear): New.  Reset an operand list.
3662         (opbuild_remove_elem): New.  Remove an element form a list.
3663         (ssa_operands_active): New.  Return true if operand cache is active.
3664         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
3665         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
3666         (correct_use_link): Use use_operand_p.
3667         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
3668         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
3669         (cleanup_v_may_defs): Use new implmentation.
3670         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
3671         implementation.
3672         (append_def, append_use, append_v_may_def, append_vuse,
3673         append_v_must_def): Call opbuild_append routine instead of using varray.
3674         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
3675         global parse_old_ops variable.
3676         (free_ssa_operands): New implementation.
3677         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
3678         (copy_virtual_operands): Move. New generic implementation.
3679         (create_ssa_artficial_load_stmt): Move. New implementation.
3680         (swap_tree_operands): Update for new implementation.
3681         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
3682         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
3683         rather than a varray.
3684         (verify_imm_links): Use use_operand_p.
3685         (dump_immediate_uses_for): If the immediate use variable is a virtual
3686         variable, show the virtual ops in the stmt.
3687         * tree-ssa-operands.h (def_operand_p): No longer a structure.
3688         (NULL_DEF_OPERAND_P): Now a #define.
3689         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
3690         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
3691         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
3692         mustdef_optype_d): New.  Use Linked list representation.
3693         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
3694         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
3695         (struct stmt_operands_d): Change to new pointers that are not GTY.
3696         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
3697         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
3698         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
3699         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
3700         SET_V_MUST_DEF_KILL): Delete.
3701         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
3702         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
3703         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
3704         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
3705         (enum ssa_op_iter_type): Operand iterator typechecking values.
3706         (struct ssa_operand_iterator_d): Use linked lists of operands.
3707         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
3708         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
3709         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
3710         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
3711         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
3712         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
3713         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
3714         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
3715         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
3716         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
3717         alloc_vuse, and alloc_mustdef.
3718         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
3719         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3720         and finalize_ssa_v_must_def_ops.
3721         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
3722         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
3723         stmt around.
3724         (compute_avail): Use generic iterator interface.
3725         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
3726         (stmt_makes_single_load, stmt_makes_single_store): Use
3727         ZERO_SSA_OPERANDS.
3728         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
3729         (statement_sink_location): Use generic interface.
3730         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
3731         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
3732         reset the immediate use link nodes.
3733         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
3734         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
3735         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
3736         (eliminate_tail_call): Use generic operand interface.
3737         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
3738         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
3739         interface.
3740         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
3741         interface.
3742         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
3743         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
3744         vuse_optype.
3745         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
3746         Use statement pointer instead of vuse_optype.  Use generic interface.
3747         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
3748         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
3749         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
3750         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
3751         * doc/tree-ssa.texi: Update documentation for operand interface.
3752
3753 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
3754
3755         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
3756         gcc_unreachable as appropriate.
3757         (machopic_function_base_name, machopic_indirect_data_reference,
3758         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
3759         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
3760         * config/rs6000/altivec.md (*mov<mode>_internal,
3761         build_vector_mask_for_load): Likewise.
3762         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
3763         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
3764         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
3765         * config/rs6000/predicates.md (easy_fp_constant,
3766         logical_operand): Likewise.
3767         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
3768         compute_save_world_info, rs6000_emit_prologue,
3769         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
3770         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
3771         directly.
3772
3773 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
3774
3775         PR middle-end/21282
3776         * convert.c (convert_to_integer): Convert ceil and floor in
3777         c99 mode only.
3778
3779 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
3780
3781         PR target/20813
3782         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
3783         define_insn_and_split.  Split only when memory operand is
3784         offsettable.  Use adjust_address rather than plus_constant.
3785         (floatunssidf2_internal): Likewise.
3786         (fix_truncdfsi2_internal): Split only when memory operand is
3787         offsettable.  Use adjust_address rather than plus_constant.
3788         (fix_trunctfsi2_internal): Likewise.
3789         (floatsidf2_internal): Likewise.
3790
3791 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
3792
3793         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
3794         (set_value_range_to_null): Likewise.
3795         (set_value_range_to_varying): New function.  Use it in all
3796         call sites that used to call set_value_range (vr, VR_VARYING, ...).
3797         (extract_range_from_assert): If the integral type has a
3798         super-type, and LIMIT is not within MIN and MAX values of that
3799         type, set the resulting range to VR_VARYING.
3800
3801 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
3802
3803         * config/mmix/mmix.opt: New file.
3804         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3805         (mmix_cc1_ignored_option): Don't declare.
3806         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3807         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3808         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3809         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3810         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3811         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3812         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3813         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3814         Don't define.
3815         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3816         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3817         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3818
3819 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3820
3821         PR c/15698
3822         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3823         * c-decl.c (current_function_prototype_built_in,
3824         current_function_prototype_arg_types): New.
3825         (merge_decls): Keep source location of prototype followed by
3826         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3827         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3828         (start_function): Always set current_function_prototype_locus,
3829         current_function_prototype_built_in and
3830         current_function_prototype_arg_types.  Check for external
3831         prototype whether or not visible for external function and set
3832         current_function_prototype_arg_types accordingly.
3833         (store_parm_decls_oldstyle): Use
3834         current_function_prototype_arg_types for checking old-style
3835         definition against prototype.  Give warnings only if
3836         current_function_prototype_built_in).
3837
3838 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3839
3840         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3841         (ggc_alloc_zone_stat): Don't define.
3842         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3843         ggc_alloc_zone_pass_stat.
3844         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3845         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3846         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3847
3848 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3849
3850         * calls.c (expand_call): Handle current_function_pretend_args_size
3851         when checking for sibcalls.
3852
3853 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3854
3855         PR tree-optimization/21294
3856         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3857         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3858
3859 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3860
3861         PR 19985
3862         * gcov-io.h: Declare gcov external functions hidden.
3863
3864 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3865
3866         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3867         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3868         Use VEC instead of VARRAY.
3869         (equiv_free): New.
3870
3871         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3872         out common code.
3873
3874 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3875
3876         * c-common.c (resolve_overloaded_builtin): Forward to target
3877         hook for BUILT_IN_MD built-ins.
3878         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3879         for all types of built-in.
3880         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3881         in the definition of the target hooks struct.
3882         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3883         * config/rs6000/altivec.h: Rewritten.
3884         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3885         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3886         rs6000_builtin_type, rs6000_builtin_type_compatible,
3887         altivec_overloaded_builtins, rs6000_builtin_type,
3888         rs6000_builtin_type_compatible): New.
3889         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3890         New.
3891         (def_builtin): Turn into a function.  Check for duplicates and store
3892         the builtin into rs6000_builtin_decls.
3893         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3894         bdesc_1arg): Add overloaded builtins.
3895         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3896         do not support ALTIVEC_COMPILETIME_ERROR.
3897         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3898         nodes to represent front-end types.
3899         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3900         with opaque arguments and/or return values.
3901         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3902         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3903         (rs6000_builtin_type_index): New.
3904         (is_ev64_opaque_type): Rename to...
3905         (rs6000_is_opaque_type): ... this.
3906         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3907         target hook.
3908
3909 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3910
3911         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3912         instead of VARRAY.
3913
3914 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3915             Bernd Schmidt  <bernd.schmidt@analog.com>
3916
3917         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3918         print_address_operand, print_operand, legitimize_pic_address,
3919         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3920         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3921         appropriate.
3922         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3923
3924 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3925
3926         * doc/passes.texi: Document vectorization pass.
3927
3928 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3929
3930         * tree-scalar-evolution.c (get_exit_conditions_rec,
3931         select_loops_exit_conditions,
3932         number_of_iterations_for_all_loops,
3933         analyze_scalar_evolution_for_all_loop_phi_nodes,
3934         scev_analysis): Use VEC instead of VARRAY.
3935
3936 2005-05-02  Michael Matz  <matz@suse.de>
3937
3938         PR c++/19542
3939         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3940         (warn_strict_null_sentinel): Define.
3941         (check_function_sentinel): Check for null_node as valid sentinel too.
3942         * c-common.h (c_tree_index): Added CTI_NULL.
3943         (null_node) Define global_tree[CTI_NULL].
3944         (warn_strict_null_sentinel): Declare.
3945         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3946         * c.opt: (Wstrict-null-sentinel): New C++ option.
3947         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3948
3949 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3950
3951         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3952         VARRAY.
3953
3954         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3955
3956         * dwarf2out.c (decl_scope_table, push_decl_scope,
3957         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3958         instead of VARRAY.
3959
3960 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3961
3962         PR C++/14391
3963         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3964         if !flag_weak.
3965         * doc/cpp.texi (__DEPRECATED): Document.
3966         (__EXCEPTIONS): Likewise.
3967         (__GXX_WEAK__): Likewise.
3968
3969         * function.c (INVOKE__main): Do not define.
3970         (expand_main_function): Check HAS_INIT_SECTION when determining
3971         whether or not to call __main.
3972
3973 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3974
3975         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3976
3977 2005-01-05  Paul Brook  <paul@codesourcery.com>
3978
3979         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3980         (INITIALIZE_TRAMPOLINE): Use it.
3981         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3982         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3983         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3984
3985 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3986
3987         * doc/install.texi (Specific): Omit dots in the @anchors names
3988         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3989         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3990
3991 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3992
3993         PR tree-optimization/18316
3994         PR tree-optimization/19126
3995         * tree.c (build_int_cst_type): Avoid shift by size of type.
3996         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3997         argument.
3998         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3999         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
4000         field.
4001         (dump_cand): Dump depends_on information.
4002         (determine_biv_step): Add argument to simple_iv call.
4003         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
4004         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
4005         constant.
4006         (add_candidate_1): Record depends_on for candidates.
4007         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
4008         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
4009         Handle ivs with nonconstant step.
4010         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
4011         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
4012         (create_new_iv): Unshare the step before passing it to create_iv.
4013         (free_loop_data): Free cand->depends_on.
4014         (build_addr_strip_iref): New function.
4015         (find_interesting_uses_address): Use build_addr_strip_iref.
4016         (strip_offset_1): Split the recursive part from strip_offset.
4017         Strip constant offset component_refs and array_refs.
4018         (strip_offset): Split the recursive part to strip_offset_1.
4019         (add_address_candidates): Removed.
4020         (add_derived_ivs_candidates): Do not use add_address_candidates.
4021         (add_iv_value_candidates): Add candidates with stripped constant
4022         offset.  Consider all candidates with initial value 0 important.
4023         (struct affine_tree_combination): New.
4024         (aff_combination_const, aff_combination_elt, aff_combination_scale,
4025         aff_combination_add_elt, aff_combination_add,
4026         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
4027         fold_affine_sum): New functions.
4028         (get_computation_at): Use fold_affine_sum.
4029         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
4030         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
4031         to simple_iv call.
4032
4033 2005-04-30  Michael Matz  <matz@suse.de>
4034
4035         * config/i386/i386.md (movmemsi): Also active when
4036         TARGET_INLINE_ALL_STRINGOPS.
4037
4038 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
4039
4040         PR bootstrap/20633
4041         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
4042
4043 2005-04-30  Paul Brook  <paul@codesourcery.com>
4044
4045         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
4046         thumb mode.
4047         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
4048         * config/arm/ieee754-sf.S: Ditto.
4049         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
4050         (FUNC_ALIAS): Use .thumb_set for thumb routines.
4051
4052 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4053
4054         * tree-ssanames.c: Fix a comment typo.
4055         * doc/options.texi: Fix a typo.
4056
4057 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
4058
4059         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
4060         gcc_unreachable as appropriate.
4061         (split_adds_subs, cond_string, print_operand,
4062         h8300_initial_elimination_offset, h8300_classify_operand,
4063         h8300_unary_length, h8300_short_immediate_length,
4064         h8300_bitfield_length, h8300_binary_length,
4065         h8300_insn_length_from_table, compute_mov_length, output_plussi,
4066         compute_plussi_length, compute_plussi_cc, output_logical_op,
4067         compute_logical_op_length, compute_logical_op_cc,
4068         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
4069         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
4070         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
4071         h8300_regs_ok_for_stm): Likewise.
4072         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
4073         monitor_prologue): Likewise.
4074
4075 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4076
4077         * loop-invariant.c (invariants, create_new_invariant,
4078         get_inv_cost, best_gain_for_invariant,
4079         find_invariants_to_move, move_invariants,
4080         init_inv_motion_data, free_inv_motion_data): Use VEC instead
4081         of VARRAY.
4082
4083 2005-04-29  Richard Henderson  <rth@redhat.com>
4084
4085         * function.c (instantiate_decls): Remove valid_only argument.
4086         (instantiate_decls_1, instantiate_decl): Likewise.
4087         (instantiate_virtual_regs_1): Delete.
4088         (instantiate_virtual_regs_lossage): Delete.
4089         (instantiate_virtual_regs_in_rtx): New.
4090         (safe_insn_predicate): New.
4091         (instantiate_virtual_regs_in_insn): New.
4092         (instantiate_virtual_regs): Update to match all that.  Only run
4093         instantiate_decls once.
4094
4095 2005-04-29  Richard Henderson  <rth@redhat.com>
4096             Daniel Jacobowitz  <dan@codesourcery.com>
4097
4098         * gengtype.c (write_func_for_structure): Split out ...
4099         (output_type_enum): ... new function.  Fix thinko accessing
4100         TYPE_PARAM_STRUCT data.
4101
4102 2005-04-29  Tom Tromey  <tromey@redhat.com>
4103
4104         * tree.c (build_block): Removed unused 'tags' argument.
4105         * tree.h (build_block): Removed argument.
4106
4107 2005-04-29  Michael Matz  <matz@suse.de>
4108
4109         PR rtl-optimization/21144
4110         * postreload.c (reload_cse_move2add): Check for VOIDmode.
4111
4112 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
4113
4114         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
4115         flag_reorder_blocks.
4116
4117 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4118
4119         PR tree-optimization/21030
4120         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
4121         ranges where VR->MAX is smaller than VR->MIN.
4122
4123 2005-04-29  Devang Patel  <dpatel@apple.com>
4124
4125         PR tree-optimization/21272
4126         PR tree-optimization/21266
4127         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
4128
4129 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
4130
4131         * tree-flow-inline.h: Fix a comment typo.
4132         * doc/tree-ssa.texi: Fix a typo.
4133
4134         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
4135
4136 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4137
4138         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
4139         gcc_unreachable as appropriate.
4140         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
4141         fr30_print_operand, fr30_move_double): Likewise.
4142         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
4143
4144 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
4145
4146         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
4147         definition has already been provided.
4148         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4149         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
4150         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4151
4152 2005-04-29  Jim Tison  <jtison@us.ibm.com>
4153
4154         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
4155         trace hooks calls to improve performance.
4156
4157 2005-04-29  Julian Brown  <julian@codesourcery.com>
4158             Mark Mitchell  <mark@codesourcery.com>
4159             Paul Brook  <paul@codesourcery.com>
4160
4161         * crtstuff.c: Handle targets that use .init_array.
4162         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
4163         that INVOKE__main is set correctly.
4164         (expand_main_function): Test INVOKE__main.
4165         * libgcc2.c: Do not define __main when using .init_array.
4166         * config/arm/arm.c (arm_elf_asm_constructor): New function.
4167         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
4168         libgcc version.
4169         (DTORS_SECTION_ASM_OP): Likewise.
4170         (CTOR_LIST_BEGIN): Define specially when in libgcc.
4171         (CTOR_LIST_END): Likewise.
4172         (DTOR_LIST_BEGIN): Likewise.
4173         (DTOR_LIST_END): Likewise.
4174         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
4175         (FINI_SECTION_ASM_OP): Likewise.
4176         (INIT_ARRAY_SECTION_ASM_OP): Define.
4177         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4178         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
4179         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
4180         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
4181         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4182
4183 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4184
4185         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
4186         gcc_assert and gcc_unreachable as appropriate.
4187         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
4188         const_int_cost, output_move_const_into_data_reg,
4189         output_move_qimode, output_move_double, find_addr_reg,
4190         print_operand, print_operand_address): Likewise.
4191         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
4192         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
4193         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
4194         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
4195         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
4196         conditional_trap): Likewise.
4197         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
4198
4199 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4200
4201         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
4202         gcc_unreachable as appropriate.
4203         (gen_conditional_move, xtensa_split_operand_pair,
4204         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
4205         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
4206         xtensa_copy_incoming_a7, xtensa_output_literal,
4207         xtensa_output_literal, xtensa_output_literal): Likewise.
4208         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4209         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
4210         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
4211         movsicc_internal1, movsfcc_internal0,
4212         movsfcc_internal1): Likewise.
4213
4214 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4215
4216         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
4217         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
4218
4219 2005-04-28  DJ Delorie  <dj@redhat.com>
4220
4221         * opt-functions.awk (var_set): Emit proper initializer for
4222         non-target bitfields.
4223
4224 2005-04-28  Devang Patel  <dpatel@apple.com>
4225
4226         * dbxout.c (have_used_extensions): Remove.
4227         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
4228         have_used_extensions.
4229
4230 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4231
4232         * doc/install.texi: Update -enable-languages info.  Correct path to
4233         html docs.
4234
4235 2005-04-28  DJ Delorie  <dj@redhat.com>
4236
4237         * optc-gen.awk (END): Make sure no variable is defined more
4238         than once.
4239         * opth-gen.awk (END): Allocate bits on a per-variable basis.
4240         Allow for bitfield variables other than target_flags.
4241         * doc/options.text (Mask): Document that you may specify a
4242         variable other than target_flags.
4243
4244 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
4245
4246         PR rtl-optimization/18877
4247         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
4248         number in val.start.
4249
4250 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
4251
4252         PR target/20813
4253         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
4254         MASK_PPC_GFXOPT.
4255         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4256         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4257         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
4258
4259 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
4260
4261         * arm.c (legitimize_pic_address): Fix sense of assertion test for
4262         creating pseudos when the base offset is too large.
4263
4264 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4265
4266         * global.c (earlyclobber_regclass): Change the type to
4267         VEC(int,heap).
4268         (check_earlyclobber): Update uses of earlyclobber_regclass.
4269         (mark_reg_use_for_earlyclobber): Likewise.
4270         (calculate_local_reg_bb_info): Allocate and free
4271         earlyclobber_regclass using the VEC API.
4272
4273 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
4274
4275         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
4276         assert.
4277
4278 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4279
4280         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
4281         (*targetm.foo).
4282
4283         * config.gcc: Obsolete c4x-* and tic4x-*.
4284
4285         * tree.h (edge_def): Remove.
4286
4287         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
4288         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
4289         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
4290         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
4291         where appropriate.
4292
4293         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
4294         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
4295         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
4296         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
4297         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
4298         machmode.def, mips-tfile.c, params.c, pretty-print.c,
4299         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
4300         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
4301         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
4302         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
4303         config/i386/cygming.h, config/i386/djgpp.h,
4304         config/i386/lynx.h, config/i386/netware.c,
4305         config/i386/winnt.c, config/ia64/ia64-c.c,
4306         config/iq2000/iq2000.c, config/m32r/little.h,
4307         config/m68k/m68k-protos.h, config/m68k/m68k.h,
4308         config/m68k/m68k.md, config/mcore/mcore.c,
4309         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
4310         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
4311         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
4312         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
4313         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
4314         config/pdp11/pdp11.h, config/rs6000/darwin.h,
4315         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
4316         config/s390/2064.md, config/s390/2084.md,
4317         config/s390/s390-modes.def, config/s390/s390-protos.h,
4318         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
4319         config/stormy16/stormy16.c, config/vax/vax-protos.h,
4320         config/vax/vax.c, config/vax/vax.h,
4321         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
4322         copyright.
4323
4324 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
4325
4326         * c-typeck.c (build_compound_expr): Correct logic in last change.
4327
4328 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
4329
4330         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
4331         parameters.  Replace conditional move code with assert checking for
4332         ar.lc.  Delete obsolete comments.
4333         (set_src_needs_barrier): Delete cond parameter, and code using it.
4334         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
4335         assert checking for PR_REGS.  Fix calls to update_set_flags and
4336         set_src_needs_barrier.
4337         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
4338         callers.  Rewrite explanatory comment before the function.
4339         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
4340         Fix all callers.
4341
4342 2005-04-27  Mike Stump  <mrs@apple.com>
4343
4344         * doc/cpp.texi: gcc now implements universal character names.
4345
4346 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4347
4348         PR c/21159
4349         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
4350         being a compound expression whose right-hand side is cast to void.
4351
4352 2005-04-27  Caroline Tice  <ctice@apple.com>
4353
4354         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4355         Remove targetm.have_named_sections test.
4356         (fix_edges_for_rarely_executed_code): Likewise.
4357         (insert_section_boundary_note): Likewise.
4358         (reorder_basic_blocks): Check partitioning flag before calling
4359         verify_hot_cold_block_grouping.
4360         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4361         the function struct rather than global variables.
4362         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4363         (COLD_END_LABEL): Likewise
4364         (cold_text_section_label): New static global variable.
4365         (cold_end_label): Likewise.
4366         (dwarf2out_switch_text_section): Get hot/cold section labels from
4367         the function struct rather than global variables; test to make sure
4368         cfun is defined.
4369         (output_aranges): Use cold_text_section_label and cold_end_label;
4370         check partitioning flag before putting out delta.
4371         (output_ranges): Remove incorrect code attempting to use
4372         hot/cold labels.
4373         (output_line_info): Get cold section label from function struct; test
4374         to make sure cfun is defined.
4375         (add_location_or_const_value_attribute): Likewise.
4376         (dwarf2out_var_location): Likewise.
4377         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4378         write out cold_text_section_label if partition flag is set.
4379         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4380         * function.h (struct function): Add new fields to point to hot/cold
4381         section labels: hot_section_label, cold_section_label,
4382         hot_section_end_label and cold_section_end_label; also add new field
4383         for cold text section name, unlikely_text_section_name.
4384         * opts.c (decode_options): Turn off partitioning flag if
4385         !targetm.have_named_sections.
4386         * output.h (hot_section_label): Remove.
4387         (hot_section_end_label): Remove.
4388         (cold_section_end_label): Remove.
4389         (unlikely_section_label): Remove.
4390         (unlikely_text_section_name): Remove.
4391         * passes.c (rest_of_handle_final):  Remove extra blank line.
4392         * varasm.c (unlikely_section_label): Remove.
4393         (hot_section_label): Remove.
4394         (hot_section_end_label): Remove.
4395         (cold_section_end_label): Remove.
4396         (unlikely_text_section_name):  Remove.
4397         (initialize_cold_section_name): Modify to call
4398         targetm.strip_name_encoding; to store cold section name in current
4399         function struct, if it exists; and to only use the decl_section_name
4400         if flag_named_sections is true.
4401         (unlikely_text_section): Modify to get section name out of current
4402         function struct, if there is one; otherwise build it from
4403         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4404         (in_unlikely_text_section): Likewise.
4405         (named_section): Modify to get/put cold section name in current function
4406         struct, if there is one.
4407         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4408         targetm.have_named_sections before calling named_section.
4409         (current_function_section): Likewise.
4410         (assemble_start_function): Modify to get/put unlikely_text_section_name
4411         in current function struct; modify to get hot/cold section labels
4412         from function struct; initialize labels using
4413         ASM_GENERATE_INTERNAL_LABEL;
4414         test partitioning flag before writing out hot section label.
4415         (assemble_end_function): Test partitioning flag before writing out
4416         hot/cold section labels.
4417         (default_section_type_flags_1):  Get cold text section name from
4418         function struct if there is one; Set flags correctly for
4419         cold text section if there is not a current function struct.
4420
4421 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4422
4423         * tree-ssa-propagate.c (set_rhs): Revert last change.
4424
4425 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
4426
4427         * explow.c (convert_memory_address): Add gcc_assert.
4428
4429 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
4430
4431         * configure.ac: Check for ld --sysroot support.
4432         * gcc.c: Document %R specifier for specs.
4433         (SYSROOT_SPEC): New macro.
4434         (sysroot_spec): New variable.
4435         (static_specs): Add sysroot_spec.
4436         (main): Pass the sysroot spec to the linker if appropriate.
4437         * configure: Regenerated.
4438         * config.in: Likewise.
4439
4440 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4441
4442         * fold-const.c (fold_binary): Use build_fold_addr_expr
4443         for address calculation and INDIRECT_REF handling.
4444
4445 2005-04-27  Andrew Haley  <aph@redhat.com>
4446
4447         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
4448
4449 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4450
4451         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
4452         pointer when thumb backtracing is on.
4453
4454         * config/fp-bit.c (abort): Revert change.
4455
4456 2005-04-27  Ian Lance Taylor  <ian@airs.com>
4457
4458         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
4459
4460 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4461
4462         * tree-ssa-dce.c: Fix a comment typo.
4463
4464 2005-04-27  David S. Miller  <davem@davemloft.net>
4465
4466         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
4467         Kill setjmpless_size.  current_function_calls_setjmp is completely
4468         computed when we are called, so just use the optimized size value
4469         instead of using REG_SAVE_AREA notes.
4470         (optimize_save_area_alloca): Delete....
4471         * rtl.h (optimize_save_area_alloca): Likewise...
4472         * passes.c (rest_of_compilation): and don't call it any more.
4473         * reg-notes.def (SAVE_AREA): Delete.
4474
4475 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4476
4477         * config/fp-bit.c (abort): Add noreturn attribute.
4478
4479         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
4480         gcc_unreachable as appropriate.
4481         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
4482         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
4483         ASM_OUTPUT_REG_POP): Likewise.
4484
4485 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
4486
4487         * tree-complex.c (expand_vector_operations_1): Do not build
4488         VIEW_CONVERT_EXPR's for the lhs.
4489
4490 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4491
4492         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
4493         unnecessary noncanonical RTL handling.
4494         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
4495         gcc_assert and gcc_unreachable.
4496
4497         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
4498         gcc_unreachable as appropriate.
4499         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
4500         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
4501         use_return_insn, const_ok_for_op, arm_gen_constant,
4502         arm_canonicalize_comparison, legitimize_pic_address,
4503         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
4504         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
4505         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
4506         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
4507         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
4508         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
4509         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
4510         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
4511         output_call, output_mov_long_double_fpa_from_arm,
4512         output_mov_long_double_arm_from_fpa,
4513         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
4514         output_move_double, arithmetic_instr, shift_op, int_log2,
4515         output_return_instruction, arm_output_function_prologue,
4516         arm_output_epilogue, arm_output_function_epilogue,
4517         emit_multi_reg_push, arm_get_frame_offsets,
4518         arm_compute_initial_elimination_offset, arm_expand_prologue,
4519         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
4520         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
4521         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
4522         thumb_compute_initial_elimination_offset,
4523         thumb_output_function_prologue, thumb_load_double_from_address,
4524         thumb_output_move_mem_multiple, thumb_reload_out_hi,
4525         arm_emit_vector_const, arm_dbx_register_number): Likewise.
4526         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
4527         * config/arm/arm.md (thumb_extendhisi2,
4528         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
4529         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
4530         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
4531         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
4532         * config/arm/cirrus.md (*cirrus_arm_movdi,
4533         *cirrus_movdf_hard_insn): Likewise.
4534         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4535
4536 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4537
4538         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
4539         (num_ssa_names): Use VEC_length.
4540         (ssa_names): Use VEC_index.
4541         * tree-ssanames.c (ssa_names): Change the type to
4542         VEC(tree,gc).
4543         (init_ssanames, fini_ssa_names, make_ssanames,
4544         release_ssa_name): Update uses of ssa_names.
4545
4546         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
4547         Use fold_buildN instead of fold (buildN (...)).
4548
4549 2005-04-27  Devang Patel <dpatel@apple.com>
4550
4551         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
4552
4553 2005-04-27  Matt Thomas <matt@3am-software.com>
4554             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
4555
4556         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
4557         (vax_output_mi_thunk): Ditto.
4558         (vax_notice_cc_update): Ditto.
4559         (INDEX_REGISTER_P): Add trailing \.
4560         (BASE_REGISTER_P): Add trailing \.
4561         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
4562
4563 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4564
4565         * tree-ssa-propagate.c (set_rhs): Check operand of
4566         ADDR_EXPR for gimpliness, too.
4567
4568 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4569
4570         * tree-ssa-pre.c: Fix a comment typo.
4571
4572 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4573
4574         PR tree-optimization/21171
4575         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
4576         record address uses if the reference is volatile.
4577
4578 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
4579
4580         * tree-complex.c (expand_vector_operation): New, extracted from
4581         expand_vector_operations_1.
4582         (tree_vec_extract): Build a NOP_EXPR.
4583         (expand_vec_parallel): Do not care about returning the correct type.
4584         (expand_vector_operations_1): Call expand_vector_operation.
4585         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
4586
4587         * tree-complex.c (gate_expand_vector_operations): New.
4588         (pass_lower_vector_ssa): Use it.
4589         * tree-optimize.c (init_tree_optimization_passes): Include
4590         pass_lower_vector_ssa.
4591         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
4592         (vectorizable_operation): Use it.
4593         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
4594         integer modes for the vector type.
4595
4596         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
4597         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
4598         Do not cope with UNITS_PER_SIMD_WORD == 0.
4599         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
4600         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
4601         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
4602         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
4603         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
4604         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
4605         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
4606
4607         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
4608         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
4609         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
4610
4611         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
4612         (UNITS_PER_SIMD_WORD): New.
4613
4614 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4615
4616         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
4617         gcc_unreachable as appropriate.
4618         (ia64_expand_load_address, ia64_expand_tls_address,
4619         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
4620         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
4621         next_scratch_gr_reg, ia64_initial_elimination_offset,
4622         ia64_expand_prologue, ia64_expand_epilogue,
4623         ia64_output_dwarf_dtprel, ia64_print_operand,
4624         ia64_register_move_cost, first_instruction, rws_access_regno,
4625         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
4626         ia64_sched_init, ia64_variable_issue,
4627         ia64_first_cycle_multipass_dfs_lookahead_guard,
4628         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
4629         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
4630         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
4631         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
4632         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4633         * config/ia64/predicates.md (got_symbolic_operand,
4634         sdata_symbolic_operand): Likewise.
4635         * config/ia64/vect.md (vcondv2sf): Likewise.
4636
4637 2005-04-27  Matt Thomas <matt@3am-software.com>
4638
4639         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
4640         CONSTANT_ADDRESS_P in config/vax/vax.h
4641         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
4642         (INDEX_REGISTER_P): New.
4643         (BASE_REGISTER_P): New.
4644         (indirectable_constant_address_p): New.  Adapted from
4645         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
4646         (indirectable_address_p): New.  Adapted from
4647         INDIRECTABLE_ADDRESS_P in vax.h.
4648         (nonindexed_address_p): New.  Adapted from
4649         GO_IF_NONINDEXED_ADDRESS in vax.h.
4650         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
4651         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
4652         (legitimate_address_p): New.  Adapted from
4653         GO_IF_LEGITIMATE_ADDRESS in vax.h.
4654         (vax_mode_dependent_address_p): New.  Adapted from
4655         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
4656         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
4657         legitimate_constant_address_p.
4658         (CONSTANT_P): Use legitimate_constant_p.
4659         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
4660         (INDIRECTABLE_ADDRESS_P): Removed.
4661         (GO_IF_NONINDEXED_ADDRESS): Removed.
4662         (INDEX_TEMP_P): Removed.
4663         (GO_IF_REG_PLUS_INDEX): Removed.
4664         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
4665         definitions, depending on whether REG_OK_STRICT is defined.
4666         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
4667         Two definitions, depending on whether REG_OK_STRICT is defined.
4668         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
4669         added.
4670         (legitimate_constant_p): Prototype added.
4671         (legitimate_address_p): Prototype added.
4672         (vax_mode_dependent_address_p): Prototype added.
4673
4674 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4675
4676         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
4677
4678 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4679
4680         PR c/21213
4681         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
4682         transparent union.
4683
4684 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4685
4686         PR c/20740
4687         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
4688         assertion failures, if __gcc_host_wide_int__ is not properly
4689         defined.
4690         (init_dynamic_diag_info): Give errors, not assertion failures, if
4691         location_t, tree or __gcc_host_wide_int__ are not properly
4692         defined.
4693
4694 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4695
4696         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
4697         n_iv_uses, iv_use, n_iv_cands, iv_cand,
4698         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
4699         prepare_decl_rtl, free_loop_data,
4700         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
4701         VARRAY.
4702
4703         * tree.h (tree_phi_node): Add a comment about the order of PHI
4704         arguments.
4705
4706 2005-04-26  Paul Brook  <paul@codesourcery.com>
4707
4708         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
4709
4710 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
4711
4712         * config/mips.mips.c (mips_legitimize_tls_address): Use
4713         gcc_unreachable.
4714
4715         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
4716         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
4717         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
4718
4719         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
4720         'abort'.
4721
4722 2005-04-26  Jeff Law  <law@redhat.com>
4723
4724         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
4725         (op_iter_init_must_and_may_def): Likewise.
4726         (unmodifiable_var_p): Move to a later point in the file.
4727         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
4728         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
4729         (dse_record_phis): Directly check for virtual operands rather than
4730         using need_imm_uses_for.
4731         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
4732         store has multiple V_{MAY,MUST}_DEF operands.
4733
4734 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
4735
4736         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
4737         stmt.
4738
4739 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4740
4741         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
4742         call to find_edge outside a loop to go through a PHI chain.
4743
4744 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
4745
4746         PR tree-optimization/17598
4747         * fold-const.c (fold_binary): Fold comparisons of addresses
4748         of COMPONENT_REFs which reference the same field to
4749         comparisons of the addresses of the base objects.
4750
4751 2005-04-26  Julian Brown  <julian@codesourcery.com>
4752
4753         * config/arm/arm.c (arm_return_in_msb): New function.
4754         (arm_must_pass_in_stack): New function.
4755         (TARGET_RETURN_IN_MSB): Define target hook.
4756         (TARGET_MUST_PASS_IN_STACK): Define target hook.
4757         (arm_function_value): Pad small aggregate return.
4758         (arm_pad_arg_upward): New function.
4759         (arm_pad_reg_upward): New function.
4760         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
4761         (FUNCTION_ARG_PADDING): Define macro.
4762         (BLOCK_REG_PADDING): Define macro.
4763         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
4764         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
4765         (arm_pad_reg_upward): Declare function.
4766
4767 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4768
4769         * basic-block.h (ei_cond): New.
4770         (FOR_EACH_EDGE): Call ei_cond.
4771
4772         PR tree-optimization/21047
4773         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
4774         (fold): Don't handle ASSERT_EXPR.
4775
4776 2005-04-25  Roger Sayle  <roger@eyesopen.com>
4777
4778         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
4779         all writes to any stack register as a read/write dependency on
4780         FIRST_STACK_REG.
4781         (sched_analyze_2): Likewise, for reads from any stack register.
4782
4783 2005-04-25  Richard Henderson  <rth@redhat.com>
4784
4785         * final.c (output_addr_const): Revert 2005-04-09 change.
4786
4787 2005-04-25  Mike Stump  <mrs@apple.com>
4788
4789         * config/darwin.c (darwin_encode_section_info): Always set
4790         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
4791
4792 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4793
4794         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
4795         gensupport.c, protoize.c, toplev.c: Replace calls to
4796         `unlock_stream' with `unlock_std_streams'.
4797
4798 2005-04-25  Devang Patel <dpatel@apple.com>
4799
4800         * dbxout.c (dbxout_type): Emit attribute vector.
4801
4802 2005-04-05  Paul Brook  <paul@codesourcery.com>
4803
4804         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4805         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4806         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4807         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4808         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4809         (register_dtor_fn): Likewise.
4810         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4811
4812 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4813
4814         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4815         * c-common.h (EXPR_STMT_EXPR): Don't define.
4816         (c_common_stmt_codes): Don't define.
4817         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4818         * c-gimplify.c (gimplify_expr_stmt): Remove.
4819         (c_gimplify_expr): Remove EXPR_STMT case.
4820         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4821         to INIT_STATEMENT_CODES.
4822         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4823
4824 2005-04-25  Jan Hubicka  <jh@suse.cz>
4825
4826         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4827
4828         * except.c: Include diagnostic.h
4829         (dump_eh_tree, verify_eh_tree): New functions.
4830         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4831         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4832         (dump_function_to_file): dump eh tree.
4833         * tree-eh.c (mark_eh_edge): New function.
4834         (mark_eh_edge_found_error): New static variable.
4835         (verify_eh_edges): New function.
4836
4837 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4838
4839         * tree-ssa-alias.c (fieldoff_t): Remove.
4840         (fieldoff_s): typedef the structure itself.  Create a vector of
4841         objects.
4842         (push_fields_onto_fieldstack): Return count of fields pushed.
4843         Remove peeling of first field.  Adjust.
4844         (fieldoff_compare): Adjust.
4845         (create_overlap_variables_for): Adjust.
4846
4847 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4848
4849         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4850
4851 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4852
4853         PR bootstrap/21215
4854         * doc/install.texi: Document correct assembler and linker to use
4855         on i?86-*-solaris2.10.
4856
4857 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4858
4859         Fix PR tree-optimization/21173
4860
4861         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4862         Unshare expression we pass to force_gimple_operand.
4863
4864 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4865             Stephen Clarke <stevec@superh.com>
4866             Roger Sayle <roger@eyesopen.com>
4867
4868         PR rtl-optimization/20413
4869         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4870         VOIDmode for LABEL_REF.
4871         * final.c (shorten_branches): Likewise.
4872         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4873         * loop.c (reg_dead_after_loop): Likewise.
4874         * varasm.c (decode_addr_const): Likewise.
4875         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4876
4877 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4878
4879         * config.gcc (avr-*-*): Remove redundant "case".
4880
4881 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4882
4883         * tree-vect-analyze.c (vect_mark_relevant): Take
4884         VEC(tree,heap) instead of varray_type as an argument.
4885         (vect_mark_stmts_to_be_vectorized): Change the type of
4886         worklist to VEC(tree,heap).  Adjust uses of worklist.
4887
4888 2005-04-24  Devang Patel  <dpatel@apple.com>
4889
4890         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4891
4892 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4893
4894         * c-semantics.c (build_stmt): Remove test of specific tree codes
4895         for TREE_SIDE_EFFECTS handling.
4896
4897 2005-04-24  Per Bothner  <per@bothner.com>
4898
4899         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4900         location 0, as assumed elsewhere, rather than 1.
4901
4902 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4903
4904         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4905         VEC(tree,heap).
4906         (tree_ssa_uncprop, uncprop_finalize_block,
4907         uncprop_initialize_block): Update uses of equiv_stack.
4908
4909 2005-04-24  Richard Henderson  <rth@redhat.com>
4910
4911         PR rtl-opt/21163
4912         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4913         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4914         constm1_rtx.
4915         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4916         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4917         <DIV, MOD>: Likewise.
4918
4919 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4920
4921         * collect2.c (main): Unlock the stdio streams.
4922         * gcc.c (main): Likewise.
4923         * gcov-dump.c (main): Likewise.
4924         * gcov.c (main): Likewise.
4925         * gen-protos.c (main): Likewise.
4926         * gensupport.c (init_md_reader_args_cb): Likewise.
4927         * protoize.c (main): Likewise.
4928         * toplev.c (general_init): Likewise.
4929
4930 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4931
4932         PR middle-end/20991
4933         * cgraph.h (cgraph_local_info): Add vtable_method field.
4934         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4935         and node is vtable_method, finalized and not reachable, don't do
4936         anything.
4937
4938 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4939
4940         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4941         COMPARISON_CLASS_P.
4942         * tree-ssa-pre.c (create_value_expr_from): Use
4943         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4944         * tree-ssa-propagate.c (stmt_makes_single_load,
4945         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4946         * tree-vect-transform.c (vect_is_simple_cond): Use
4947         COMPARISON_CLASS_P.
4948         * tree-vrp.c (extract_range_from_assert,
4949         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4950         COMPARISON_CLASS_P.
4951
4952         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4953         of tpa_to_clear to VEC(int,heap).  Update uses of
4954         tpa_to_clear.  Free tpa_to_clear at the end.
4955
4956 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4957
4958         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4959         function decl.
4960
4961 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4962
4963         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4964         and gcc_unreachable as appropriate.
4965         (num_insns_constant, output_vec_const_move,
4966         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4967         rs6000_emit_set_const, rs6000_emit_move,
4968         spe_build_register_parallel, function_arg,
4969         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4970         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4971         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4972         rs6000_common_init_builtins, expand_block_clear,
4973         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4974         extract_ME, rs6000_get_some_local_dynamic_name,
4975         rs6000_output_function_entry, print_operand,
4976         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4977         output_cbranch, output_e500_flip_gt_bit,
4978         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4979         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4980         compute_save_world_info, rs6000_stack_info,
4981         rs6000_emit_load_toc_table, rs6000_frame_related,
4982         spe_synthesize_frame_save, rs6000_emit_epilogue,
4983         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4984         output_function_profiler, rs6000_trampoline_size,
4985         rs6000_initialize_trampoline, find_addr_reg,
4986         rs6000_machopic_legitimize_pic_address,
4987         rs6000_initial_elimination_offset,
4988         rs6000_dbx_register_number): Likewise.
4989         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4990         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4991         *movti_power, *movti_string, call, call_value, sibcall,
4992         sibcall_value): Likewise.
4993         * config/rs6000/spe.md (*movdf_e500_double,
4994         *movv2si_internal): Likewise.
4995         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4996         from comment.
4997
4998 2005-04-24  Richard Henderson  <rth@redhat.com>
4999
5000         PR target/21101
5001         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
5002         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
5003         Deny modes smaller than 4 bytes.
5004         * config/i386/i386-protos.h: Update.
5005
5006 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
5007
5008         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
5009         Switch h8300-*-rtems* to ELF.
5010
5011 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5012
5013         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
5014
5015 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5016
5017         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
5018
5019 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
5020
5021         PR middle-end/21082
5022         * fold-const.c: Fold &a[i]-&a[j] to i-j.
5023
5024 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5025
5026         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
5027         definitions of ssa names in condition.  Split recusive part to ...
5028         (tree_simplify_using_condition_1): New function.
5029         (expand_simple_operations): New function.
5030
5031 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5032
5033         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
5034         (find_interesting_uses_cond): Do not use integer_zerop and
5035         integer_nonzerop to check for integer constants.
5036         (set_use_iv_cost): Record the value field.
5037         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
5038         determine_use_iv_cost_outer): Set the value field of the cost pair.
5039         (may_eliminate_iv): Do not return the comparison code.
5040         (iv_elimination_compare): New function.
5041         (determine_use_iv_cost_condition): Set the value field.  Record
5042         noneliminable invariants correctly.
5043         (rewrite_use_compare, rewrite_use_outer): Use the value field.
5044
5045 2005-04-23  DJ Delorie  <dj@redhat.com>
5046
5047         * diagnostic.c (warning): Accept parameter to classify warning option.
5048         (warning0): New, for when a pointer to an error() like function is needed.
5049         * errors.c (warning): Likewise.
5050         * errors.h (warning, warning0): Adjust prototypes.
5051         * toplev.h (warning, warning0): Likewise.
5052
5053         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
5054         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
5055         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
5056         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
5057         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
5058         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
5059         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
5060         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
5061
5062         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
5063         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
5064         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
5065         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
5066         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
5067         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
5068         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
5069         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
5070         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
5071         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
5072         config/rs6000/aix52.h, config/rs6000/darwin.h,
5073         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
5074         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5075         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
5076         config/stormy16/stormy16.c, config/v850/v850-c.c,
5077         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
5078         callers.
5079
5080 2005-04-23  Richard Henderson  <rth@redhat.com>
5081
5082         PR rtl-opt/21102
5083         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
5084         performing some integral scalar simplifications.
5085
5086 2005-04-23  Richard Henderson  <rth@redhat.com>
5087
5088         PR target/21099
5089         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
5090         simplifying CONST_VECTOR.
5091
5092 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5093
5094         * tree-ssa-live.c (live_worklist): Take a stack allocated on
5095         heap as an argument.  Update uses of stack.
5096         (calculate_live_on_entry): Allocate stack on heap.
5097
5098         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
5099         partition_link and tpa_nodes on heap.
5100
5101         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
5102         (mark_stmt_necessary, propagate_necessity,
5103         mark_really_necessary_kill_operand_phis): Update uses of
5104         worklist.
5105         (tree_dce_init): Allocate worklist using VEC_alloc.
5106         (tree_dce_done): Free worklist using VEC_free.
5107
5108 2005-04-23  Mike Stump  <mrs@apple.com>
5109
5110         * config/darwin.c (machopic_indirection_name): Don't use
5111         quotes needlessly.
5112         (darwin_emit_unwind_label): Use user_label_prefix instead of
5113         "_".
5114
5115 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5116
5117         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
5118
5119 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
5120
5121         * config.gcc <cris-*>: Specify .opt files.
5122         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
5123         config/cris/linux.opt: New files.
5124         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
5125         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5126         (TARGET_ELF): Override to 0.
5127         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
5128         -melinux-stacksize=N.
5129         * config/cris/cris.c: (cris_handle_option): New function.
5130         (TARGET_DEFAULT_TARGET_FLAGS): Override.
5131         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
5132         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
5133         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
5134         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
5135         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
5136         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
5137         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
5138         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
5139         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
5140         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
5141         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
5142         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
5143         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
5144         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
5145         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
5146         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
5147         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5148         (TARGET_LINUX): Define 0.
5149         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5150         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
5151         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
5152         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
5153         (TARGET_LINUX): Override to 1.
5154         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5155
5156 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5157
5158         * haifa-sched.c (schedule_block): Fix thinko in previous
5159         assertification patch.
5160
5161 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
5162
5163         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
5164         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
5165         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5166         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
5167         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
5168         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5169         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
5170         for hpux11.[1-9]*.
5171         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
5172         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
5173         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
5174         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
5175         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
5176         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
5177         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
5178         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
5179         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
5180         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
5181         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
5182         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
5183         (SUBTARGET_OPTIONS): Delete.
5184         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
5185         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
5186         instead of a string.
5187         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
5188         (pa_cpu_string, pa_unix_string): Delete.
5189         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
5190         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
5191         TARGET_HPUX_10_10.
5192         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5193         (pa_handle_option): New function.
5194         (override_options): Remove handling of -march=, -mfixed-range=,
5195         -mschedule= and -munix=.
5196         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
5197         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
5198         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
5199         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
5200         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
5201         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
5202         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
5203         redefining.
5204         * config/pa/pa.opt: New file.
5205         * config/pa/pa-hpux.opt: New file.
5206         * config/pa/pa-hpux1010.opt: New file.
5207         * config/pa/pa-hpux1111.opt: New file.
5208         * config/pa/pa64-hpux.opt: New file.
5209
5210 2005-04-22  David S. Miller  <davem@davemloft.net>
5211
5212         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
5213         integer when it's mode is VOIDmode not DImode.
5214
5215 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
5216
5217         * config/rs6000/rs6000.md (sync_add<mode>_internal,
5218         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
5219         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
5220         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
5221         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
5222         "bne- $-xxx" rather than local labels.
5223         (sync_lock_release<mode>): Add second operand.
5224         (lwsync): Use .long rather than a more meaningful opcode.
5225         * doc/md.texi (Standard Names): Add description of second
5226         parameter to sync_lock_test_and_set.
5227
5228 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5229
5230         PR tree-optimization/21088
5231         * fold-const.c (fold_unary, fold_binary, fold_ternary):
5232         Export.
5233         * tree-vrp.c (compare_values): Use fold_binary to compare
5234         pointers.  Use boolean_type_node as the type of a comparison
5235         expression being folded.
5236         * tree.h: Add prototypes for fold_unary, fold_binary,
5237         fold_ternary.
5238
5239         * tree-ssa-dom.c: Fix formatting.
5240
5241 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5242
5243         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
5244         * lambda-code.c (perfect_nestify): Mark virtual operands in
5245         the moved statement for renaming.
5246         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
5247         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5248         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
5249         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5250         * tree-flow.h (struct var_ann_d): Update comments.
5251         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
5252         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
5253         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
5254         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
5255         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
5256         debug_names_replaced_by): Remove declarations.
5257         (delete_update_ssa, get_current_def, set_current_def): Declare.
5258         (rewrite_into_loop_closed_ssa): Add new argument.  Update
5259         all callers.
5260         * tree-into-ssa.c: Include params.h.
5261         (old_virtual_ssa_names): Remove.  Update all users.
5262         (need_to_replace_names_p): Remove.  Update all users.
5263         (struct update_ssa_stats_d): Declare.
5264         (update_ssa_stats): New local.
5265         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
5266         dump_tree_ssa_stats, debug_tree_ssa_stats,
5267         dump_update_ssa, debug_update_ssa,
5268         dump_names_replaced_by, debug_names_replaced_by): Declare.
5269         (get_current_def, set current_def): Make extern.
5270         (is_old_name, is_new_name): Protect against references
5271         past the end of the sets.
5272         (add_new_name_mapping): Assert that OLD and NEW are
5273         different SSA names for the same symbol.
5274         When adding a virtual mapping, update stats for virtual
5275         mapping heuristic.
5276         (insert_phi_nodes_for): If UPDATE_P is true, create the
5277         LHS of the new PHI by duplicating SSA name VAR.
5278         (insert_phi_nodes_1): Remove.  Update all users.
5279         (insert_phi_nodes): Remove second argument.  Update all
5280         users.
5281         (maybe_replace_use, maybe_replace_def): New.
5282         (rewrite_update_stmt): Call them.
5283         (mark_def_interesting): Remove calls to is_gimple_reg.
5284         (prepare_phi_args_for_update): Remove.  Update all users.
5285         (prepare_block_for_update): Only process virtual operands
5286         and GIMPLE registers in normal form.
5287         (prepare_use_sites_for): New.
5288         (prepare_names_to_update): Rename from prepare_def_sites.
5289         Call prepare_use_sites_for.
5290         (dump_update_ssa): Rename from dump_repl_tbl.
5291         Update all users.
5292         Show statistics for virtual mapping heuristic.
5293         (debug_update_ssa): Rename from debug_debug_repl_tbl.
5294         (init_update_ssa): Initialize UPDATE_SSA_STATS.
5295         (delete_update_ssa): Make extern.
5296         (mark_set_for_renaming): If the set is empty, do nothing.
5297         (release_ssa_name_after_update_ssa): Update comment.
5298         (insert_updated_phi_nodes_for): Do not remove existing
5299         PHI nodes for symbols.
5300         (switch_virtuals_to_full_rewrite_p): New.
5301         (switch_virtuals_to_full_rewrite): New.
5302         (update_ssa): Call them.
5303         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
5304         for every statement before updating.
5305         If all the names in NEW_SSA_NAMES have been marked for
5306         removal, do nothing.
5307         Only start at the top of the CFG if there are symbols in
5308         SYMS_TO_RENAME.
5309         (ssa_rewrite_finalize_block): Remove.
5310         (ssa_register_new_def): Remove.
5311         (ssa_rewrite_stmt): Remove.
5312         (ssa_rewrite_phi_arguments): Remove.
5313         (ssa_rewrite_initialize_block): Remove.
5314         (ssa_mark_def_sites): Remove.
5315         (ssa_mark_def_sites_initialize_block): Remove.
5316         (ssa_mark_phi_uses): Remove.
5317         (rewrite_ssa_into_ssa): Remove.
5318         * tree-phinodes.c (find_phi_node_for): Remove.
5319         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5320         Call update_ssa.
5321         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
5322         Remove calls to verify_dominators and
5323         verify_loop_structure.
5324         (tree_unswitch_single_loop): Call update_ssa.
5325         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
5326         returns false.
5327         Call verify_stmts.
5328         (delete_tree_ssa): Assert that need_ssa_update_p returns
5329         false.
5330         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
5331         * tree-vectorizer.c (allocate_new_names, rename_def_op,
5332         free_new_names): Remove.  Update all users.
5333         (rename_use_op): Call get_current_def.
5334         (rename_variables_in_bb): Do not handle any real or
5335         virtual definition.
5336         (slpeel_update_phis_for_duplicate_loop): Call
5337         get_current_def and set_current_def instead of using
5338         SSA_NAME_AUX.
5339         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
5340         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
5341         ssa_names_to_replace and delete_update_ssa.
5342         * doc/invoke.texi: Document --param min-virtual-mappings
5343         and --param virtual-mappings-ratio.
5344
5345 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5346
5347         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
5348         for newly created PHI nodes.
5349         Call create_new_def_for for every new V_MAY_DEF and
5350         V_MUST_DEF on the copied statement.
5351         (struct ssa_name_map_entry): Remove.
5352         (ssa_name_map_entry_hash): Remove.
5353         (ssa_name_map_entry_eq): Remove.
5354         (allocate_ssa_names): Remove.
5355         (rewrite_to_new_ssa_names_def): Remove.
5356         (rewrite_to_new_ssa_names_use): Remove.
5357         (rewrite_to_new_ssa_names_bb): Remove.
5358         (rewrite_to_new_ssa_names): Remove.
5359         (tree_duplicate_sese_region): Remove variables ver,
5360         definitions, phi, ssa_name_map and bi.
5361         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
5362         Call update_ssa.
5363         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5364         update_ssa instead of rewrite_ssa_into_ssa.
5365         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
5366         create_new_def_for.
5367         (find_uses_to_rename_use): Add argument 'need_phis'.
5368         (find_uses_to_rename_stmt): Do not scan virtual operands.
5369         (find_uses_to_rename): Only scan PHI nodes for
5370         non-virtual names.
5371         (rewrite_into_loop_closed_ssa): Call update_ssa.
5372         (check_loop_closed_ssa_use): Ignore virtual operands.
5373         (check_loop_closed_ssa_stmt): Likewise.
5374         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
5375         NULL.
5376         (rename_variables, set_phi_def_stmts): Remove.
5377         (tree_duplicate_loop_to_header_edge): Reformat comment.
5378         Remove variables BB, I and DEFINITIONS.
5379         Call need_ssa_update_p.
5380         Call update_ssa.
5381         (lv_adjust_loop_header_phi): Reformat comment.
5382         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
5383         (marked_for_rewrite_p, any_marked_for_rewrite_p,
5384         mark_for_rewrite, unmark_all_for_rewrite,
5385         marked_ssa_names): Remove.  Update all users.
5386         (release_ssa_name): If VAR has been registered for SSA
5387         updating, do nothing.
5388         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
5389         (build_assert_expr_for): Call register_new_name_mapping.
5390         (insert_range_assertions): Update call to update_ssa.
5391         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
5392         marked_for_rewrite_p, any_marked_for_rewrite_p,
5393         marked_ssa_names): Remove.
5394
5395 2005-04-22  Jeff Law  <law@redhat.com>
5396
5397         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
5398         (restore_currdefs_to_original_value): Likewise.
5399         (register_definitions_for_stmt): Likewise.
5400         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
5401         for each variable.  Do not allocate/free block_defs_stack either.
5402         Do not iterate if we just thread jumps.  Only iterate if the
5403         tree_cleanup_cfg does useful work (temporary).
5404         (dom_opt_initialize_block): No longer push a marker on
5405         BLOCK_DEFS_STACK.
5406         (dom_opt_finalize_block): Removal call to restore currdefs.
5407         Relax restrictions for recording edge equivalences.
5408         (record_equivalences_from_phis): No longer need to track
5409         CURRENT_DEF.
5410         (optimize_stmt): Similarly.
5411         (thread_across_edge): Simplify by removing the requirement that
5412         statements in the block we are threading through must be nops.
5413         (initialize_hash_element): Handle GOTO_EXPR.
5414
5415 2005-04-22  David S. Miller  <davem@davemloft.net>
5416
5417         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
5418         CONST_DOUBLE_HIGH.
5419         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
5420         fix check on CONST_DOUBLE mode.  It should be VOIDmode
5421         when it is representing an integer.
5422
5423 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5424
5425         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
5426         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
5427         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
5428         find_char_info_specifier_index,
5429         find_length_info_modifier_index): Likewise.
5430         * c-typeck.c (composite_type, pop_init_level): Likewise.
5431         * combine.c (cant_combine_insn_p, try_combine): Likewise.
5432         * cse.c (cse_insn): Likewise
5433         * dominance.c (calc_dfs_tree): Likewise
5434         dwarf2out.c (loc_descriptor_from_tree_1,
5435         add_abstract_origin_attribute, force_decl_die,
5436         force_type_die): Likewise
5437         emit-rtl.c (operand_subword_force): Likewise
5438         explow.c (hard_function_value): Likewise
5439         expmed.c (store_bit_field, expand_divmod,
5440         emit_store_flag_force): Likewise
5441         expr.c (emit_move_multi_word, store_expr,
5442         expand_expr_real_1): Likewise
5443         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
5444         output_operand): Likewise
5445         flow.c (recompute_reg_usage): Likewise
5446         * function.c (assign_stack_temp_for_type, assign_temp,
5447         handle_epilogue_set): Likewise
5448         * genextract.c (main): Likewise
5449         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
5450         gimplify_modify_expr_rhs, gimplify_expr): Likewise
5451         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
5452         ready_remove, rm_line_notes, rm_other_notes,
5453         schedule_block): Likewise
5454         mips-tfile.c (copy_object, out_of_bounds): Likewise
5455
5456 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
5457
5458         PR target/20813
5459         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
5460         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
5461         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
5462         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
5463         TARGET_XL_COMPAT.
5464         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
5465
5466 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5467
5468         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
5469         (gcc_tree_to_linear_expression): Convert to heap allocated
5470         vectors.
5471         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5472         lbv_to_gcc_expression, lle_to_gcc_expression,
5473         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5474         perfect_nestify): Likewise.
5475         lambda.h (gcc_loopnest_to_lambda_loopnest,
5476         lambda_loopnest_to_gcc_loopnest): Likewise.
5477         tree-loop-linear.c (linear_transform_loops): Likewise.
5478
5479 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5480
5481         * config/sparc/predicates.md (arith_double_operand): Use
5482         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
5483         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
5484         (DImode, DFmode constant splitters): Likewise.  Remove code for
5485         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
5486         (logical constant splitters): Use const_int_operand predicate.
5487         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
5488         HOST_BITS_PER_WIDE_INT < 64.
5489
5490 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5491
5492         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
5493         gcc_unreachable as appropriate.
5494         (force_mode, emit_move_sequence, singlemove_string,
5495         output_move_double, output_fp_move_double, find_addr_reg,
5496         output_block_move, output_block_clear, output_and,
5497         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
5498         pa_adjust_cost, pa_issue_rate, print_operand,
5499         output_global_address, output_arg_descriptor, output_cbranch,
5500         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
5501         output_call): Likewise.
5502         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
5503         prefetch, prefetch_cc, prefetch_nocc): Likewise.
5504
5505 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
5506
5507         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
5508         _gcov_pow2_profiler and _gcov_one_value_profiler.
5509         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
5510         (GTFILES): Add $(srcdir)/tree-profile.c.
5511         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
5512         __gcov_one_value_profiler): Declare.
5513         * gimplify.c (force_gimple_operand): Check whether the statements
5514         should be produced in ssa form.
5515         (force_gimple_operand_bsi): New function.
5516         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
5517         __gcov_one_value_profiler): New functions.
5518         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
5519         the profiled value is a power of two or not.
5520         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
5521         * tree-flow.h (in_ssa_p): Declare.
5522         (force_gimple_operand_bsi): Declare.
5523         * tree-into-ssa.c (in_ssa_p): New variable.
5524         (rewrite_into_ssa): Set in_ssa_p.
5525         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
5526         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
5527         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
5528         tree_one_value_profiler_fn): New variables.
5529         (tree_init_edge_profiler): Initialize the profiler function decls.
5530         (tree_gen_edge_profiler): Use global gcov_type_node.
5531         (prepare_instrumented_value): New function.
5532         (tree_gen_interval_profiler, tree_gen_interval_profiler,
5533         tree_gen_one_value_profiler): Call the library functions instead of
5534         creating instrumentation code.
5535         * tree.c (build_fn_decl): New function.
5536         * tree.h (build_fn_decl): Declare.
5537         * value-prof.c (rtl_divmod_values_to_profile,
5538         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
5539         tree_mod_pow2_value_transform, tree_find_values_to_profile):
5540         Do not handle may_be_other and precise values of exponents at pow2
5541         profiler.
5542         (tree_mod_subtract_transform): Reflect that value field of
5543         histogram has changed meaning.
5544         (tree_divmod_values_to_profile): Record the values correctly.
5545         (tree_values_to_profile): Update comment.
5546         * value-prof.h (struct histogram_value_t): Remove pow2 data.
5547
5548 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
5549
5550         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
5551         (decl).
5552
5553 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5554
5555         * config/i386/i386.md (length_immediate): Use gcc_assert or
5556         gcc_unreachable, as appropriate.
5557         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
5558         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
5559         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
5560         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
5561         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
5562         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
5563         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
5564         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
5565         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
5566         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
5567         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
5568         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
5569         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
5570         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
5571         *prefetch_sse_rex): Likewise.
5572         * config/i386/predicates.md (x86_64_immediate_operand,
5573         x86_64_zext_immediate_operand, symbolic_operand,
5574         no_seg_address_operand, aligned_operand,
5575         memory_displacement_operand): Likewise.
5576         * config/i386/sse.md (*mov<mode>_internal,
5577         *movv2df_internal): Likewise.
5578
5579 2005-04-22  Jan Hubicka  <jh@suse.cz>
5580
5581         * Makefile.in (ipa.o, ipa-inline.o): New files.
5582         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
5583         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
5584         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
5585         * cgraphunit.c (cgraph_default_inline_p,
5586         cgraph_decide_inlining_incrementally,  ncalls_inlined,
5587         nfunctions_inlined, initial_insns, overall_insns,
5588         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
5589         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
5590         cgraph_mark_inline, cgraph_check_inline_limits,
5591         cgraph_default_inline_p, cgraph_recursive_inlining_p,
5592         update_callee_keys, lookup_recursive_calls,
5593         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
5594         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
5595         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
5596         pass_ipa_inline): Move to ipa-inline.c
5597         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
5598         * ipa.c: New file.
5599         * ipa-inline.c: New file.
5600
5601 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5602
5603         * doc/invoke.texi (SPARC options): Document that -mapp-regs
5604         is turned off by default on Solaris.
5605
5606 2005-04-21  Roger Sayle  <roger@eyesopen.com>
5607
5608         * c-common.h (objc_build_method_signature): Update prototype.
5609         * stub-objc.c (objc_build_method_signature): Update the stub
5610         implementation to accept and ignore additional parameter.
5611         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
5612         the value of ellipsis to objc_build_method_signature instead
5613         of setting TREE_OVERFLOW on the parms TREE_LIST node.
5614
5615 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
5616
5617         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
5618         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
5619         gen_rtx_* not gen_rtx_fmt_*.
5620         (rs6000_emit_vector_select): Likewise.
5621         (rs6000_emit_sync): New.
5622         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
5623         (larx, stcx, cmp): New mode substitutions.
5624         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
5625         UNSPEC_ISYNC): New constants.
5626         (rlwinm): Give name.
5627         (memory_barrier, isync, lwsync): New insns.
5628         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
5629         (sync_lock_release<mode>): New expander.
5630         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
5631         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
5632         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
5633         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
5634         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
5635         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
5636         (sync_add<mode>_internal, sync_addshort_internal,
5637         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
5638         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
5639         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
5640
5641         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
5642         is the memory before, not after, the operation.  Clarify
5643         barrier requirements.
5644
5645 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5646
5647         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
5648         * lambda.h (lambda_vector_min_nz): Likewise.
5649         * langhooks.h (struct lang_hooks_for_types,
5650         struct lang_hooks): Likewise.
5651         * output.h (assemble_integer, this_is_asm_operands): Likewise.
5652         * tree.h: Likewise.
5653         * vec.h: Likewise.
5654         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
5655
5656         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
5657         comments to avoid 'abort'.  Use gcc_assert as necessary.
5658         * opts.c (common_handle_option): Likewise.
5659         * pretty-print.c (pp_base_format_text): Likewise.
5660         * print-rtl.c (print_rtx): Likewise.
5661         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
5662         * regmove.c (try_auto_increment): Likewise.
5663         * reload.c (find_valid_class, find_reloads_toplev,
5664         find_equiv_reg): Likewise.
5665         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
5666         merge_assigned_reloads): Likewise.
5667         * tree-inline.c (inline_forbidden_p_1,
5668         estimate_num_insns_1): Likewise.
5669         * tree-optimize.c (execute_todo): Likewise.
5670         * tree-outof-ssa.c (eliminate_phi): Likewise.
5671         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
5672         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
5673         * tree-ssa-operands.c (parse_ssa_operands,
5674         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
5675         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
5676         * tree-ssanames.c (release_ssa_name): Likewise.
5677         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
5678         walk_tree): Likewise.
5679
5680         * tree-ssa-operands.c (verify_abort): Fold into ..
5681         (verify_imm_links): ... here.
5682
5683 2005-04-21  Richard Henderson  <rth@redhat.com>
5684
5685         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
5686         on non-memory operand for previous inversion.
5687
5688 2005-04-21  Devang Patel  <dpatel@apple.com>
5689
5690         PR optimization/20994
5691         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
5692         x = !(a == b) : p , q;.
5693         (pass_if_conversion): Verify stmts and flow.
5694
5695 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5696
5697         * optabs.c (gen_conditional_trap): Restore #define.
5698
5699         * alias.c (true_dependence): Remove 'abort' from comments. Use
5700         gcc_assert and gcc_unreachable as appropriate.
5701         (canon_true_dependence): Likewise.
5702         * bb-reorder.c (connect_traces): Likewise.
5703         * c-common.c (c_add_case_label): Likewise.
5704         * c-decl.c (finish_function): Likewise.
5705         * caller-save.c (insert_restore, insert_save): Likewise.
5706         * cfg.c (update_bb_profile_for_threading): Likewise.
5707         * cfganal.c (flow_active_insn_p): Likewise.
5708         * cfgexpand.c (add_reg_br_prob_note): Likewise.
5709         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
5710         cfg_layout_merge_blocks): Likewise.
5711         * ifcvt.c (cond_exec_process_insns, merge_if_block,
5712         find_if_block): Likewise.
5713         * integrate.c (allocate_initial_values): Likewise.
5714         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
5715         swap_condition, unsigned_condition, signed_condition,
5716         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
5717         reg_or_subregno): Likewise.
5718         * lambda-code.c (lambda_compute_auxillary_space,
5719         lambda_transform_legal_p): Likewise.
5720         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
5721         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
5722         lhd_incomplete_type_error, lhd_expand_expr,
5723         lhd_types_compatible_p, lhd_tree_size): Likewise.
5724         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
5725         * local-alloc.c (update_equiv_regs): Likewise.
5726         * loop-unroll.c (peel_loop_completely
5727         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
5728         peel_loop_simple, unroll_loop_stupid,
5729         analyze_iv_to_split_insn): Likewise.
5730         * loop.c (gen_prefetch, find_and_verify_loops,
5731         basic_induction_var): Likewise.
5732         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
5733         * value-prof.c (tree_find_values_to_profile): Likewise.
5734         * varasm.c (named_section, default_assemble_integer,
5735         decode_addr_const): Likewise.
5736
5737 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
5738            Fariborz Jahanian <fjahanian@apple.com>
5739
5740         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
5741         portion of argument passed in fpr.
5742         * expr.c (emit_push_insn): Fix computation of 'offset' used to
5743         decide on partial argument save on stack.
5744
5745 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5746
5747         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
5748         comment typos.
5749
5750 2005-04-21  Jan Hubicka  <jh@suse.cz>
5751
5752         * cgraphunit.c: Include tree-pass.h
5753         (cgraph_decide_recursive_inlining,
5754         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
5755         cgraph_decide_inlining): Dump goes to dump_file.
5756         (cgraph_optimize): Call ipa passes instead of inliner.
5757         (cgraph_gate_inlining, pass_ipa_inline): New.
5758         * tree-optimize.c (all_ipa_passes): New static variable.
5759         (register_one_dump_file): Dead with IPA passes.
5760         (register_dump_files): Likewise.
5761         (init_tree_optimization_passes): Initialize IPA passes.
5762         (execute_todo): Do cgraph dump when asked to, do not dump function body
5763         for IPA pass.
5764         * tree-pass.h (TODO_dump_cgraph): New macro.
5765         (ipa_passes): Declare.
5766         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
5767
5768 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5769
5770         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
5771         gcc_assert instead of abort.
5772         (classify_argument, examine_argument, construct_container,
5773         contains_128bit_aligned_vector_p, ix86_check_movabs,
5774         standard_80387_constant_opcode, standard_80387_constant_rtx,
5775         ix86_initial_elimination_offset, ix86_compute_frame_layout,
5776         pro_epilogue_adjust_stack, ix86_expand_epilogue,
5777         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
5778         legitimize_tls_address, output_pic_addr_const,
5779         i386_output_dwarf_dtprel, put_condition_code, print_reg,
5780         get_some_local_dynamic_name, print_operand, print_operand_address,
5781         output_387_binary_op, emit_i387_cw_initialization,
5782         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
5783         ix86_expand_clear, ix86_expand_binary_operator,
5784         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
5785         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
5786         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
5787         ix86_expand_branch, ix86_expand_setcc,
5788         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
5789         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
5790         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
5791         memory_address_length, ix86_attr_length_immediate_default,
5792         ix86_attr_length_address_default, ix86_agi_dependant,
5793         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
5794         ix86_expand_binop_builtin, ix86_force_to_memory,
5795         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
5796         x86_emit_floatuns): Likewise.
5797         * config/i386/netware.c (gen_regparm_prefix,
5798         i386_nlm_strip_name_encoding): Likewise.
5799         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
5800
5801 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5802
5803         * optabs.c (gen_condiational_trap): Remove #define.
5804         (add_equal_note): Assertify. Remove explicit indirection from
5805         call via function pointer.
5806         (expand_ternary_op, expand_simple_binop, expand_binop,
5807         expand_twoval_unop, expand_twoval_binop,
5808         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5809         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5810         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5811         prepare_float_lib_cmp, emit_conditional_move,
5812         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5813         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5814         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5815         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5816
5817 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5818
5819         * vec.h: Update API to separate allocation mechanism from type.
5820         (VEC_safe_grow): New.
5821         * vec.c (calculate_allocation): New.
5822         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5823         (vec_gc_free, vec_heap_free): Remove.
5824         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5825         (VEC): Likewise.
5826         (mangle_macro_name): New.
5827         (struct macro_def): New.
5828         (struct macro): Add multiple argument values.
5829         (macro_expans_end): New.
5830         (push_macro_expansion):  Chain on new macro. Process multiple
5831         args, create follow on expansion. Return follow on argument.
5832         (macro_input): Deal with multiple arguments.
5833
5834         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5835         (struct tree_binfo): Adjust.
5836         * basic-block.h: Define VEC(edge,gc).
5837         (struct edge_def): Adjust.
5838         (struct basic_block_def, struct edge_iterator): Likewise.
5839         (ei_container, ei_start_1, ei_last_1): Likewise.
5840         * cfg.c (connect_src, connect_dest): Likewise.
5841         * cfgrtl.c (force_nonfallthru_and_redirect)
5842         * dbxout.c (dbxout_type)
5843         * dwarf2out.c (gen_member_die)
5844         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5845         (gcc_tree_to_linear_expression): Adjust.
5846         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5847         lbv_to_gcc_expression, lle_to_gcc_expression,
5848         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5849         perfect_nestify): Likewise.
5850         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5851         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5852         * profile.c (instrument_values): Adjust.
5853         * tree-cfg.c (modified_noreturn_calls): Adjust.
5854         (remove_fallthru_edge): Likewise.
5855         * tree-dump.c (dequeue_and_dump): Adjust.
5856         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5857         * tree-flow.h (modified_noreturn_calls): Adjust.
5858         (tree_on_heap): Remove. (yay!)
5859         (register_new_def): Adjust.
5860         * tree-into-ssa.c: Define VEC(int,heap).
5861         (block_defs_stack): Adjust.
5862         (find_idf, insert_phi_nodes, register_new_def,
5863         rewrite_initialize_block, rewrite_finalize_block,
5864         register_new_update_single, rewrite_update_init_block,
5865         rewrite_update_fini_block, rewrite_blocks,
5866         ssa_rewrite_finalize_block, ssa_register_new_def,
5867         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5868         * tree-loop-linear.c (linear_transform_loops): Adjust.
5869         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5870         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5871         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5872         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5873         vrp_variables_stack): Adjust declarations.
5874         (tree_ssa_dominator_optimize): Adjust.
5875         (dom_opt_initialize_block, remove_local_expressions_from_table,
5876         restore_nonzero_vars_to_original_value,
5877         restore_vars_to_original_value,
5878         restore_currdefs_to_original_value, dom_opt_finalize_block,
5879         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5880         optimize_stmt, update_rhs_and_lookup_avail_expr,
5881         lookup_avail_expr, record_range): Likewise.
5882         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5883         (compute_antic_aux): Adjust.
5884         (inserted_exprs, create_expression_by_pieces,
5885         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5886         remove_dead_inserted_code, fini_pre): Likewise.
5887         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5888         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5889         ssa_prop_init): Likewise.
5890         * tree-ssa.c: Define VEC(bitmap,heap).
5891         (verify_name_tags): Adjust.
5892         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5893         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5894         tree_divmod_values_to_profile, tree_find_values_to_profile,
5895         value_profile_transformations): Likewise.
5896         * value-prof.h: Define VEC(histogram_value,heap).
5897         * varasm.c: Remove alias_pair pointer typedef, define
5898         VEC(alias_pair,gc).
5899         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5900
5901         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5902         not a pointer to it.  Create an object vector.
5903         (extern_symbols): Turn into an object vector.
5904         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5905
5906 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5907
5908         PR/20742
5909         * Makefile.in (tree-chrec.o): Depend on params.h.
5910         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5911         default value 20.
5912         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5913         and fold build with fold_buildN.
5914         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5915         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5916         (tree_contains_chrecs): Compute an estimation of the size of the
5917         given expression.
5918         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5919         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5920         * tree-scalar-evolution.c (simple_iv): Ditto.
5921         * doc/invoke.texi (scev-max-expr-size): Documented.
5922
5923 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5924
5925         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5926         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5927         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5928         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5929         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5930         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5931         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5932         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5933         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5934         (darwin_fix_and_continue_switch): Delete.
5935         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5936         (SUBTARGET_SWITCHES): Delete.
5937         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5938         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5939         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5940         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5941         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5942         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5943         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5944         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5945         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5946         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5947         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5948         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5949         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5950         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5951         (TARGET_64BIT): Undef before redefining.
5952         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5953         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5954         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5955         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5956         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5957         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5958         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5959         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5960         (ix86_debug_arg_string, ix86_debug_addr_string)
5961         (ix86_align_loops_string, ix86_align_jumps_string)
5962         (ix86_align_funcs_string): Delete.
5963         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5964         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5965         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5966         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5967         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5968         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5969         (SUBTARGET_SWITCHES): Delete.
5970         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5971         (ix86_debug_addr_string): Delete.
5972         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5973         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5974         (ix86_align_loops_string, ix86_align_jumps_string)
5975         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5976         (ix86_align_funcs_string): Make static.
5977         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5978         (ix86_handle_option): New function.
5979         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5980         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5981         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5982         of darwin_fix_and_continue_switch.
5983         (darwin_one_byte_bool): Delete.
5984         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5985         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5986         to darwin_one_byte_bool.
5987         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5988         * config/i386/djgpp.opt, config/i386/i386.opt,
5989         * config/i386/sco5.opt: New files.
5990
5991 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5992
5993         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5994         fp_zero_operand, fp_register_operand, intreg_operand,
5995         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5996         call_operand, call_operand_address, tgd_symbolic_operand,
5997         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5998         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5999         sp64_medium_pic_operand, data_segment_operand,
6000         text_segment_operand, splittable_symbolic_memory_operand,
6001         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
6002         eq_or_neq, normal_comp_operator, noov_compare_op,
6003         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
6004         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
6005         const64_operand, const64_high_operand, arith11_operand,
6006         arith10_operand, arith_double_operand, arith_double_4096_operand,
6007         arith_double_add_operand, arith11_double_operand,
6008         arith10_double_operand, small_int, small_int_or_double,
6009         uns_small_int, uns_arith_operand, clobbered_register,
6010         input_operand, compare_operand): Delete.
6011         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
6012         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
6013         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
6014         (GEN_HIGHINT64, GEN_INT64): Delete.
6015         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6016         gen_safe_XOR64): Adjust for above deletion.
6017         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
6018         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
6019         (legitimate_constant_p): Use const_zero_operand instead.
6020         (sparc_extra_constraint_check): Likewise.
6021         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
6022         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
6023         (PREDICATE_CODES): Delete.
6024         * config/sparc/sparc.md: Include predicates.md.
6025         (All patterns): Adjust for new predicate names.
6026         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
6027         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
6028         (movdi): Use general_operand predicate.
6029         (movdi_sp64_dbl): Delete.
6030         (movdi_const64_special): Add 'N' constraint.
6031         (movdicc): Use arith10_operand predicate.
6032         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
6033         (movdi_cc_reg_sp64): Use arith10_operand predicate.
6034         (movdi_cc_reg_sp64_trunc): Delete.
6035         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
6036         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
6037         (subdi3_sp32): Delete.
6038         (subdi3_insn_sp32): Change to define_insn_and_split.
6039         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
6040         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
6041         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
6042         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
6043         small_int_operand predicate.
6044         (divdi3, udivdi3): Use arith_operand predicate.
6045         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
6046         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
6047         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
6048         (xordi3_sp64_dbl): Delete.
6049         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
6050         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
6051         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
6052         cmp_ccx_set_not): Use arith_operand predicate.
6053         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
6054         * config/sparc/predicates.md: New file.
6055
6056 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
6057
6058         PR tree-optimization/14846
6059         * fold-const.c (fold_single_bit_test_into_sign_test): New,
6060         split out from ...
6061         (fold_single_bit_test): ... here.
6062         (fold_binary): Call fold_single_bit_test_into_sign_test
6063         instead of fold_single_bit_test.
6064
6065 2005-04-20  James E Wilson  <wilson@specifixinc.com>
6066
6067         PR c++/20805
6068         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
6069         is another declaration.
6070
6071 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
6072
6073         * config/cris/predicates.md: New file.
6074         * config/cris/cris-protos.h (cris_store_multiple_op_p)
6075         (cris_movem_load_rest_p): Declare.
6076         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
6077         (cris_movem_load_rest_p): Ditto.  Globalize.
6078         (cris_bdap_operand, cris_bdap_biap_operand,
6079         cris_orthogonal_operator, cris_commutative_orth_op,
6080         cris_operand_extend_operator,
6081         cris_additive_operand_extend_operator, cris_extend_operator,
6082         cris_plus_or_bound_operator, cris_mem_op,
6083         cris_general_operand_or_symbol,
6084         cris_general_operand_or_gotless_symbol,
6085         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
6086         cris_load_multiple_op): Remove predicate functions.
6087         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
6088         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
6089         * config/cris/cris.h (PREDICATE_CODES): Don't define.
6090         * config/cris/cris.md: Include predicates.md.
6091         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
6092
6093 2005-04-20  Ian Lance Taylor  <ian@airs.com>
6094
6095         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
6096         * c-common.h (STMT_EXPR_STMT): Don't define.
6097         (STMT_EXPR_NO_SCOPE): Don't define.
6098         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
6099         * c-pretty-print.c (pp_c_primary_expression): Likewise.
6100         (pp_c_expression): Likewise.
6101
6102 2005-04-20  Richard Henderson  <rth@redhat.com>
6103
6104         PR target/21100
6105         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
6106
6107 2005-04-20  Jeff Law  <law@redhat.com>
6108
6109         * reload1.c (reload): Ignore equivalences between pseudos and
6110         read only memory.
6111
6112 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
6113
6114         PR c/12913
6115         * c-tree.h (struct c_label_list): Update comment.
6116         (struct c_label_context): Rename to struct c_label_context_se.
6117         (label_context_stack): Rename to label_context_stack_se.
6118         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
6119         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
6120         c_end_vm_scope): New.
6121         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
6122         * c-decl.c (pop_scope): Call c_end_vm_scope.
6123         (pushdecl): Call c_begin_vm_scope for variably modified
6124         declarations.
6125         (define_label): Check for jumping into scope of identifier with
6126         variably modified type.  Push label on stack for those defined at
6127         current context of identifiers with variably modified type.
6128         (start_function): Create stack level for context of identifiers
6129         with variably modified type.
6130         (finish_function): Pop stack level for context of identifiers with
6131         variably modified type.
6132         * c-typeck.c (label_context_stack): Rename to
6133         label_context_stack_se.
6134         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
6135         (c_finish_goto_label): Check for jumping into scope of identifier
6136         with variably modified type.  Push label on stack for those jumped
6137         to from current context of identifiers with variably modified
6138         type.
6139         (struct c_switch): Add blocked_vm.
6140         (c_start_case): Initialize blocked_vm.
6141         (do_case): Check blocked_vm.
6142         (c_finish_case): Add comment.
6143         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
6144         variable label_context_stack.
6145
6146 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6147
6148         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
6149         conditional_replacement, value_replacement, abs_replacement,
6150         minmax_replacement.
6151         (replace_phi_edge_with_variable): Remove argument BB.
6152         (conditional_replacement, value_replacement,
6153         minmax_replacement, abs_replacement): Remove argument PHI_BB.
6154         Update a call to replace_phi_edge_with_variable.
6155
6156         * tree-ssa-phiopt.c: Fix comments.
6157
6158 2005-04-20  Michael Matz  <matz@suse.de>
6159
6160         PR20973
6161         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
6162         pseudos.
6163
6164 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6165
6166         * tree-ssa-phiopt.c: Fix comment typos.
6167
6168         PR tree-optimization/21116
6169         * tree-ssa-phiopt.c: Fix a typo.
6170
6171 2005-04-19  Richard Henderson  <rth@redhat.com>
6172
6173         * builtins.c (expand_builtin_sync_operation): Revert last change.
6174         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
6175         not vs new value.
6176         (expand_compare_and_swap_loop): Likewise.
6177         (expand_sync_operation): Remove fallback from NAND to AND; invert
6178         memory operand when expanding from cmpxchg.
6179         (expand_sync_fetch_operation): Likewise.
6180         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
6181         compare-and-swap.
6182
6183         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
6184         when implementing NAND.  Fix double-add for AFTER.
6185         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
6186         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6187         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
6188         memory value.
6189         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
6190         memory barrier.
6191
6192         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
6193         to return old memory value.
6194         (sync_compare_and_swap_cc<IMODE>): Likewise.
6195
6196         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
6197         return pre-reload.  Don't consider output or anti dependencies.
6198         * config/ia64/sync.md (IMODE): New.
6199         (modesuffix): Add QI and HI.
6200         (memory_barrier): Simplify expansion.
6201         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
6202         (cmpxchg_acq_<IMODE>): Likewise.
6203         (sync_lock_test_and_set<IMODE>): Likewise.
6204         (sync_lock_release<IMODE>): Likewise.
6205
6206 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6207
6208         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
6209         ~X or ~Y simplify.
6210
6211 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6212
6213         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
6214
6215 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
6216             Joseph S. Myers  <joseph@codesourcery.com>
6217
6218         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
6219         * c-typeck.c (build_c_cast): Check these options.
6220         * doc/invoke.texi: Document these options.
6221
6222 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6223
6224         * tree-ssa-phiopt.c: Update a comment about the pass.
6225
6226 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6227
6228         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
6229         config/mcore/mcore.c: Fix comment typos.
6230
6231 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
6232
6233         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
6234         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
6235
6236 2005-04-19  Paul Brook  <paul@codesourcery.com>
6237
6238         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
6239
6240 2005-04-19  Andrew Haley  <aph@redhat.com>
6241
6242         PR java/21022
6243         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
6244         looking at a field's bitpos.
6245
6246 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6247
6248         * system.h (fopen, fdopen, freopen): Define these to the unlocked
6249         libiberty functions.
6250
6251 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6252
6253         PR tree-optimization/21096
6254         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
6255
6256 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
6257
6258         PR target/21098
6259         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
6260         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
6261
6262 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
6263
6264         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
6265         refers to the function being dumped.
6266
6267 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
6268
6269         * varasm.c (assemble_start_function): Remove reset of in_section.
6270
6271 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6272
6273         PR tree-optimization/21085
6274         * fold-const (fold_binary): Don't change X % -C to X % C if C has
6275         overflowed.
6276
6277 2005-04-19  Ben Elliston  <bje@au.ibm.com>
6278
6279         * doc/invoke.texi (Optimize Options): Refer to the correct
6280         optimisation flag -ftree-dominator-opts, not -ftree-dom.
6281
6282 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
6283
6284         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
6285         alloca argument to be big enough.
6286
6287 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
6288
6289         PR middle-end/21049
6290         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
6291         cfun->cfg are NULL.
6292
6293 2005-04-18  Tom Tromey  <tromey@redhat.com>
6294
6295         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
6296         typo.
6297
6298 2005-04-18  Richard Henderson  <rth@redhat.com>
6299
6300         * config/alpha/alpha.c (alpha_split_atomic_op): New.
6301         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
6302         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
6303         * config/alpha/alpha-protos.h: Update.
6304         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
6305         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
6306         (attr type): Add ld_l, st_c, mb.
6307         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
6308         iornotsi3, xorsi_internal, xornotsi3): New.
6309         * config/alpha/ev4.md (ev4_ld): Add ld_l.
6310         (ev4_ist_c, ev4_mb): New.
6311         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
6312         (ev5_ld_l): New.
6313         * config/alpha/ev6.md (ev6_ild): Add ld_l.
6314         (ev6_ist): Add st_c.
6315         (ev6_mb): New.
6316         * config/alpha/sync.md: New file.
6317
6318 2005-04-18  Richard Henderson  <rth@redhat.com>
6319
6320         * builtins.c (expand_builtin_sync_operation): Fold nand to and
6321         for constants.
6322
6323         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
6324
6325 2005-04-18  Devang Patel  <dpatel@apple.com>
6326
6327         * config/rs6000/atlivec.md (mulv4si3): New pattern.
6328
6329 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6330
6331         PR tree-optimization/20922
6332         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
6333         Fold X + c >= X and fold X - c <= X to true.
6334
6335 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6336
6337         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
6338         unsigned int.
6339         (emergency_labeled_state_free): Likewise.
6340
6341 2005-04-18  Nick Clifton  <nickc@redhat.com>
6342
6343         * config/h8300/h8300.md (jump): Remove prescan parameter from
6344         calls to final_scan_insn.
6345
6346         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
6347         parameter from calls to final_scan_insn.
6348
6349         * config.gcc (m68hc12): Use the m68hc11.opt file for target
6350         specific options.
6351         (v850e, v850e1): Use the v850.opt file for target specific
6352         options.
6353
6354 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
6355
6356         PR tree-optimization/21001
6357         * tree-optimize.c (init_tree_optimization_passes): Move the
6358         first pass_forwprop immediately before pass_vrp.
6359
6360 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6361
6362         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
6363         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
6364         from enum tree_code op to bool is_sizeof.
6365         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
6366         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
6367         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
6368         case.
6369         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
6370         cases.
6371         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
6372         ALIGNOF_EXPR cases.
6373
6374 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6375
6376         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
6377
6378 2005-04-17  Richard Henderson  <rth@redhat.com>
6379
6380         * config/alpha/alpha.c (va_list_skip_additions): Only define if
6381         TARGET_ABI_OSF.
6382         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
6383         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
6384         of indirection through ssa names while looking for the gpr counter
6385         field.
6386         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
6387         saved va_list_gpr_size and va_list_fpr_size.
6388
6389 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6390
6391         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
6392         both pointers or both integers.
6393
6394         * tree-vrp.c (maybe_add_assert_expr): Don't assert
6395         ASSERT_EXPRs for single-use variable.
6396
6397         * tree-into-ssa.c: Fix a comment typo.
6398
6399 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
6400
6401         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
6402         -mipsN before forcing a default of -mips2.
6403
6404 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6405
6406         * predict.h (IS_TAKEN): Remove.
6407         * rtl.h (NOTE_PREDICTION): Likewise.
6408
6409         * modulo-sched.c (CFG_HOOKS): Remove.
6410
6411         * c-parser.c (N_C_TTYPES): Remove.
6412
6413         * tree-flow-inline.h (get_stmt_operands): Remove.
6414         * lambda-code.c, tree-ssa-loop-unswitch.c,
6415         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
6416         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
6417         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
6418         calls to get_stmt_operands.
6419         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
6420
6421 2005-04-17  Richard Henderson  <rth@redhat.com>
6422
6423         PR target/20375
6424         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
6425         of CUMULATIVE_ARGS past the last named argument.
6426         (alpha_va_start): Expect pretend_args_size only if strictly less than
6427         6 named arguments.
6428
6429 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6430
6431         PR middle-end/21024
6432         * builtins.c (expand_builtin_strcat): Convert the result of
6433         strlen to the right type.
6434         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
6435         avoid creating type mismatches.
6436         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
6437         type mismatches.
6438
6439         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
6440
6441 2005-04-16  Richard Henderson  <rth@redhat.com>
6442
6443         PR target/21051
6444         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
6445         Use the mode of boolean_type_node when the user doesn't provide one.
6446         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
6447
6448 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
6449
6450         PR target/20126
6451         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
6452         (const)).
6453
6454         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
6455         comment.
6456
6457 2005-04-16  Roger Sayle  <roger@eyesopen.com>
6458             Steven Bosscher  <stevenb@suse.de>
6459
6460         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
6461         (fold_unary_to_constant): Likewise.
6462
6463 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
6464
6465         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
6466         PROP_ASM_SCAN.
6467
6468 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
6469
6470         * doc/install.texi (Specific): Avoid using asterisks in @anchor
6471         names related to target triplets.
6472         Remove i?86-*-esix from platform directory.
6473         Remove powerpc-*-eabiaix from platform directory.
6474
6475 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
6476
6477         PR middle-end/20491
6478         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
6479         falling through from SUBREG case to REG.
6480
6481 2005-04-15  Roger Sayle  <roger@eyesopen.com>
6482
6483         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
6484         (fold_binary): Update comment mentioning fold_relational_hi_lo.
6485         (fold_binary_to_constant): Simplify using fold_binary.
6486         (fold_unary_to_constant): Likewise, simplify using fold_unary.
6487
6488 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6489
6490         * gthr-posix.c (pthread_cancel): Define.
6491         (pthread_mutexattr_init): Likewise.
6492         (pthread_mutexattr_settype): Likewise.
6493         (pthread_mutexattr_destroy): Likewise.
6494
6495 2005-04-15  David S. Miller  <davem@davemloft.net>
6496
6497         PR target/20673
6498         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
6499
6500 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6501
6502         PR tree-optimization/21031
6503         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
6504         (forward_propagate_into_cond_1): Call it.  Forward propagate
6505         integer-integer casts into COND_EXPRs.
6506
6507 2005-04-15  Dave Korn  <dave.korn@artimi.com>
6508
6509         * gcc.c (default_compilers): Clarify obscure error message when
6510         reading from standard input.
6511
6512 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6513
6514         * basic-block.h (PROP_EQUAL_NOTES): Remove.
6515         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
6516
6517         * tree-ssa-alias.c (init_alias_info): Remove a call to
6518         get_stmt_operands.
6519
6520 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
6521
6522         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
6523         of non-virtual PHI nodes like we use to.
6524
6525 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
6526
6527         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
6528         (attr_copy_rtx): Do not use it.
6529
6530 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
6531
6532         * doc/tree-ssa.texi: Grammer/abbreviation updates.
6533
6534 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
6535
6536         * tree-vect-transform.c (vectorizable_store): Mark necessary
6537         objects in the vectorized store needing renaming.  Update the
6538         SSA graph for V_MAY_DEF operands in the original store.
6539
6540 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
6541
6542         * tree-ssa-pre.c (compute_avail): It's okay to have
6543         TREE_INVARIANT's here, and value number the resulting expressions.
6544         (create_expression_by_pieces): Make sure operands that were
6545         min_invariant when we started, stay that way.
6546
6547 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
6548
6549         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
6550
6551 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6552
6553         PR tree-optimization/20936.
6554         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
6555
6556 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6557
6558         * doc/invoke.texi: Fix typos.
6559         * doc/md.texi: Likewise.
6560         * doc/rtl.texi: Likewise.
6561         * doc/sourcebuild.texi: Likewise.
6562         * doc/tm.texi: Likewise.
6563
6564 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
6565
6566         PR tree-optimization/21004
6567         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
6568         and floorl in c99 mode only.
6569         * builtins.c (expand_builtin_int_roundingfn): Assert that
6570         fallback_fndecl is not NULL_TREE.
6571
6572 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6573
6574         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
6575         * basic-block.h: Update the prototype for
6576         purge_all_dead_edges.
6577         * cfgexpand.c (tree_expand_cfg): Update a call to
6578         purge_all_dead_edges.
6579         * combine.c (combine_instructions): Likewise.
6580         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
6581         rest_of_handle_cse2, rest_of_handle_gcse,
6582         rest_of_handle_postreload): likewise.
6583
6584 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
6585
6586         PR middle-end/20739
6587         * gimplify.c (gimplify_addr_expr): Compensate for removal of
6588         e.g. cv-qualification conversions.
6589
6590 2005-04-14  Mike Stump  <mrs@apple.com>
6591
6592         * config/darwin-c.c (framework_construct_pathname): We must
6593         find all headers of a framework in the first instance of it
6594         found in the seach path.
6595
6596 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6597
6598         PR tree-optimization/21021
6599         * tree-vrp.c (compare_values): Work around a bug in the front
6600         end that produces a comparison of mismatched types.
6601
6602 2004-04-14  Richard Henderson  <rth@redhat.com>
6603
6604         * config/ia64/ia64.h (enum fetchop_code): Remove.
6605         (enum ia64_builtins): Move ...
6606         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
6607         members except BSP and FLUSHRS.
6608         (ia64_init_builtins): Remove __sync builtins.
6609         (ia64_expand_builtin): Likewise.
6610         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
6611         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
6612         (ia64_expand_lock_release): Remove.
6613         * config/ia64/ia64.md (mf): Move to sync.md.
6614         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
6615         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
6616         * config/ia64/sync.md: New file.
6617         (memory_barrier): Rename from mf.
6618         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
6619         (cmpxchg_acq_<I48MODE>): Likewise.
6620         (sync_lock_test_and_set<I48MODE>): Likewise.
6621
6622         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
6623         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
6624
6625 2004-04-14  Richard Henderson  <rth@redhat.com>
6626
6627         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
6628         (ix86_compare_emitted): New.
6629         (ix86_expand_compare): Use ix86_compare_emitted if set.
6630         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
6631         and ix86_compare_op0 are set.
6632         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
6633         (TARGET_CMPXCHG, TARGET_XADD): New.
6634         (ix86_compare_emitted): Declare.
6635         * config/i386/i386.md: Include sync.md
6636         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
6637         (UNSPECV_XCHG, UNSPECV_LOCK): New.
6638         * config/i386/sync.md: New file.
6639
6640 2004-04-14  Richard Henderson  <rth@redhat.com>
6641
6642         PR middle-end/14311
6643         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
6644         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
6645         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
6646         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
6647         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
6648         BT_FN_I8_VPTR_I8_I8): New.
6649         * builtins.def (DEF_SYNC_BUILTIN): New.
6650         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
6651         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
6652         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
6653         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
6654         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
6655         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
6656         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
6657         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
6658         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
6659         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
6660         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
6661         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
6662         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
6663         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
6664         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
6665         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
6666         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
6667         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
6668         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
6669         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
6670         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
6671         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
6672         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
6673         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
6674         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
6675         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
6676         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
6677         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
6678         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
6679         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
6680         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
6681         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
6682         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
6683         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
6684         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
6685         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
6686         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
6687         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
6688         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
6689         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
6690         BUILT_IN_SYNCHRONIZE: New.
6691         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
6692         as a function.  Accept __sync_ as a prefix as well.
6693         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6694         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
6695         expand_builtin_lock_release): New.
6696         (expand_builtin): Call them.
6697         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
6698         neither BOTH_P nor FALLBACK_P are defined.
6699         (builtin_type_for_size): New.
6700         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
6701         (resolve_overloaded_builtin): New.
6702         * c-common.h (resolve_overloaded_builtin): Declare.
6703         (builtin_type_for_size): Declare.
6704         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
6705         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
6706         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
6707         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
6708         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
6709         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
6710         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
6711         sync_compare_and_swap_cc, sync_lock_test_and_set,
6712         sync_lock_release): New.
6713         * optabs.h: Declare them.
6714         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
6715         expand_sync_operation, expand_sync_fetch_operation,
6716         expand_sync_lock_test_and_set): Declare.
6717         * genopinit.c (optabs): Add sync optabs.
6718         * optabs.c (init_optabs): Initialize sync optabs.
6719         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
6720         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
6721         expand_sync_operation, expand_sync_fetch_operation,
6722         expand_sync_lock_test_and_set): New.
6723         * doc/extend.texi (Atomic Builtins): New section
6724         * doc/md.texi (Standard Names): Add sync patterns.
6725
6726 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
6727
6728         * tree-eh.c (lower_try_finally_copy): Generate new code in
6729         response to goto_queue entries as if the queue was sorted by
6730         index, not pointers.
6731         (lower_try_finally_switch): Likewise.
6732
6733 2005-04-14  Richard Henderson  <rth@redhat.com>
6734
6735         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
6736         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
6737         register.
6738         (ix86_expand_fp_movcc): Update to match.
6739         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
6740         * config/i386/i386-protos.h: Update.
6741         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
6742         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
6743
6744 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
6745
6746         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
6747         refer to 4.0.
6748
6749 2005-04-14  Julian Brown  <julian@codesourcery.com>
6750
6751         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
6752         link failures on ppc64 Linux.
6753
6754 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6755
6756         * config.gcc: Set cpu_type for s390.
6757
6758 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
6759
6760         Fix PR tree-optimization/20963
6761         * tree-ssa-pre.c (compute_avail): Remove special case for
6762         TREE_INVARIANT.
6763         (create_expression_by_pieces): Add value numbers for forced out
6764         statements.
6765
6766 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
6767
6768         * config/cris/cris.md: Replace references to (reg:SI 16) with
6769         (reg:SI CRIS_SRP_REGNUM).
6770
6771 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6772
6773         PR tree-optimization/20657
6774         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
6775         create an appropriate range from it.
6776
6777 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6778
6779         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
6780         <UNSPEC_FIST_CEIL> case.
6781
6782         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
6783         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
6784         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
6785         to implement lfloor and llfloor built-ins as x87 intrinsic function.
6786         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
6787         (lfloor<mode>2): New expanders.
6788         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
6789         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
6790         to implement lceil and llceil built-ins as x87 intrinsic function.
6791         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
6792         (lceil<mode>2): New expanders.
6793
6794 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6795
6796         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
6797         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
6798
6799 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
6800
6801         PR target/20927
6802         * config/s390/s390-modes.def: Define TFmode.
6803
6804 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6805
6806         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6807         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6808         * config/mips/mips.c (mips16_insn_length): Remove reference to
6809         JUMP_TABLES_IN_TEXT_SECTION.
6810
6811 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6812
6813         * simplify-rtx.c (simplify_binary_operation_1): Return
6814         scalar or vector of constant 0, depending on the xor's
6815         mode.
6816
6817 2005-04-13  Dale Johannesen  <dalej@apple.com>
6818
6819         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6820         (objc-act.o):  Ditto.
6821         * objc/objc-act.c (objc_gimplify_expr):  New.
6822         (objc_get_callee_fndecl):  New.
6823         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6824         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6825         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6826
6827 2005-04-13  Devang Patel  <dpatel@apple.com>
6828
6829         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6830         temp variables.
6831
6832 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6833
6834         CRIS prologue as RTL.
6835         * config/cris/cris-protos.h (cris_emit_movem_store)
6836         (cris_expand_prologue): Prototype.
6837         * config/cris/cris.c (struct machine_function): New member
6838         stdarg_regs.
6839         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6840         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6841         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6842         (cris_load_multiple_op, cris_return_address_on_stack)
6843         (cris_return_address_on_stack_for_return): ISO-Cify.
6844         (cris_store_multiple_op): New predicate function.
6845         (cris_expand_prologue, cris_emit_movem_store): New functions.
6846         (cris_print_operand) <case 'O'>: Handle modifications other than
6847         post-increment.
6848         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6849         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6850         (cris_gen_movem_load): Rearrange slightly to make local variable
6851         src a parameter, removing osrc.
6852         (cris_setup_incoming_varargs): Set machine_function member
6853         stdarg_regs to correspond to the number of registers that need to
6854         be saved.
6855         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6856         CRIS_UNSPEC_GOT.
6857         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6858         cris_general_operand_or_gotless_symbol accept UNSPEC.
6859         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6860         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6861         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6862         this and "*cris_load_multiple".
6863         ("prologue"): New define_expand.
6864
6865         * config/cris/cris.md ("epilogue"): Conditionalize on
6866         TARGET_PROLOGUE_EPILOGUE.
6867
6868 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6869
6870         PR target/20924
6871         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6872         fpsr 0 instead of fpsr 1.
6873         (divsf3_internal_thr): Ditto.
6874         (divdf3_internal_lat): Ditto.
6875         (divdf3_internal_thr): Ditto.
6876         (divxf3_internal_lat): Ditto.
6877         (divxf3_internal_thr): Ditto.
6878
6879 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6880
6881         PR tree-optimization/20913
6882         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6883
6884         PR tree-optimization/20702
6885         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6886         dominator children that haven't been walked into.
6887
6888 2005-04-13  Julian Brown  <julian@codesourcery.com>
6889
6890         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6891         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6892         is true.
6893
6894 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6895
6896         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6897         config/i386/sse.md: Fix comment typos.
6898
6899         * genattrtab.c (NULL_ATTR): Remove.
6900         * ifcvt.c (NULL_EDGE): Likewise.
6901
6902         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6903
6904         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6905         NOTE_PREDICT): Remove.
6906
6907 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6908
6909         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6910         * configure: Regenerate.
6911         * config.in: Likewise.
6912         * system.h: Declare vsnprintf if not already declared.
6913
6914 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6915
6916         * optc-gen.awk: Handle stand-alone Mask records.
6917         * opth-gen.awk: Likewise.
6918         * doc/options.texi (Option file format): Document them.
6919         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6920         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6921         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6922         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6923         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6924         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6925         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6926         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6927         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6928         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6929         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6930         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6931         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6932         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6933         TARGET_LONG_DOUBLE_128): Likewise.
6934         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6935         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6936         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6937         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6938         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6939         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6940         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6941         * config/sparc/sparc.c (fpu_option_set): New global.
6942         (sparc_handle_option): New function.
6943         (sparc_override_options): Test fpu_option_set.
6944         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6945         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6946         * config/sparc/sparc.opt: New file.
6947         * config/sparc/little-endian.opt: Likewise.
6948         * config/sparc/long-double-switch.opt: Likewise.
6949
6950 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6951
6952         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6953         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6954         * config/bfin/bfin.opt (mshared-library-id=): Lose
6955         Var(bfin_lib_id_given).
6956
6957 2005-04-13  Matt Thomas  <matt@3am-software.com>
6958
6959         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6960         defining.
6961
6962 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6963
6964         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6965
6966         * cgraphunit.c (INSNS_PER_CALL): Remove.
6967
6968         * tree-ssa-forwprop.c (vars,
6969         record_single_argument_cond_exprs,
6970         substitute_single_use_vars): Remove.
6971         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6972         New.
6973         (tree_ssa_forward_propagate_single_use_vars): Call
6974         forward_propagate_into_cond for each COND_EXPR.
6975
6976         * tree-inline.c (INSNS_PER_STMT): Remove.
6977
6978 2005-04-12  Richard Henderson  <rth@redhat.com>
6979
6980         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6981         (ix86_expand_sse_fp_minmax): ... from ...
6982         (ix86_expand_fp_movcc): ... here.
6983         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6984         * config/i386/i386-protos.h: Update.
6985         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6986         (sse_setccsf, sse_setccdf): Allow before reload.
6987         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6988         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6989         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6990         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6991         (anddf3, nanddf3, iordf3, xordf3): New.
6992
6993 2005-04-12  Jeff Law  <law@redhat.com>
6994
6995         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6996         (tree-ssa-uncprop.o): Add dependencies.
6997         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6998         * tree-flow.h (remove_useless_stmts): Remove prototype.
6999         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
7000         remove_useless_stmts.
7001         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
7002         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
7003         * tree-pass.h (pass_uncprop): Declare.
7004         * tree-ssa-uncprop.c: New file.
7005
7006 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
7007
7008         PR target/20670
7009         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
7010
7011 2005-04-12  Caroline Tice  <ctice@apple.com>
7012
7013         Temporary fix for partitioning problems.
7014         * passes.c (rest_of_handle_final): Remove code that
7015         frees unlikely_text_section_name,
7016         * varasm.c (assemble_start_function): Test for partitioning
7017         flag before writing out section labels.
7018         (assemble_end_function): Test for partitioning flag before
7019         writing out section labels.
7020
7021 2005-04-12  Steven Bosscher  <stevenb@suse.de>
7022             Stuart Hastings <stuart@apple.com>
7023             Jan Hubicka  <jh@suse.cz>
7024
7025         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
7026         references to gt-tree-cfg.h.
7027         * basic-block.h (struct basic_block_def): Don't skip rbi
7028         for garbage collection.
7029         (struct reorder_block_def): Make GTY-able.
7030         (struct control_flow_graph): New structure.
7031         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
7032         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
7033         but instead defines to the control_flow_graph for cfun.
7034         (label_to_block_map): New define, points to the label map of
7035         the control_flow_graph for cfun.
7036         (n_edges_for_function, n_basic_blocks_for_function,
7037         last_basic_block_for_function, basic_block_info_for_function,
7038         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
7039         basic_block_info_for_function, label_to_block_map_for_function):
7040         Counterparts for the above, taking a struct function as an extra
7041         argument.
7042         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
7043         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
7044         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
7045         (alloc_rbi_pool, free_rbi_pool): Remove.
7046         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
7047         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
7048         here...
7049         (cfg_layout_finalize) ... and don't free it here.
7050         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
7051         garbage collected.
7052         * flow.c (free_basic_block_vars): Set label_to_block_map and
7053         n_edges to zero too.
7054         * function.h (struct function): Add cfg field.
7055         * function.c (allocate_struct_function): Allocate the cfg.
7056         * tree-cfg.c (label_to_block_map): Remove.
7057         (build_tree_cfg): Don't allocate the rbi pool here...
7058         (delete_tree_cfg_annotations): ...and don't free it here.
7059         Also don't nullify label_to_block_map for cfun.
7060
7061 2005-04-12  Caroline Tice  <ctice@apple.com>
7062
7063         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7064         Revert my patch from April 9.
7065         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
7066         (reorder_basic_blocks): Revert my patch from April 9.
7067         (insert_section_boundary_note): Revert my patch from April 9.
7068         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
7069         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
7070         (COLD_END_LABEL):  Revert my patch from April 9.
7071         (cold_text_section_label):  Revert my patch from April 9.
7072         (cold_end_label): Revert my patch from April 9.
7073         (dwarf2out_switch_text_section): Revert my patch from April 9.
7074         (output_aranges): Revert my patch from April 9.
7075         (output_ranges):  Revert my patch from April 9.
7076         (output_line_info): Revert my patch from April 9.
7077         (add_location_or_const_value_attribute):  Revert my patch from April 9.
7078         (dwarf2out_var_location): Revert my patch from April 9.
7079         (dwarf2out_init):  Revert my patch from April 9.
7080         (dwarf2out_finish): Revert my patch from April 9.
7081         * function.h (struct function): Revert my patch from April 9.
7082         * opts.c (decode_options): Revert my patch from April 9.
7083         * output.h (unlikely_section_label, hot_section_label,
7084         hot_section_end_label, cold_section_end_label,
7085         unlikely_text_section_name): Revert my patch from April 9.
7086         * passes.c (rest_of_handle_final): Revert my patch from April 9.
7087         * varasm.c (unlikely_section_label, hot_section_label,
7088         hot_section_end_label, cold_section_end_label,
7089         unlikely_text_section_name): Revert my patch from April 9.
7090         (initialize_cold_section_name): Revert my patch from April 9.
7091         (unlikely_text_section): Revert my patch from April 9.
7092         (in_unlikely_text_section): Revert my patch from April 9.
7093         (named_section): Revert my patch from April 9.
7094         (function_section): Revert my patch from April 9.
7095         (current_function_section): Revert my patch from April 9.
7096         (assemble_start_function): Revert my patch from April 9.
7097         (assemble_end_function): Revert my patch from April 9.
7098         (default_section_type_flags_1): Revert my patch from April 9.
7099
7100 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7101
7102         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
7103         * config/sparc/sparc.md (untyped_call): Save the registers manually.
7104
7105         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
7106
7107 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
7108
7109         PR middle-end/20917
7110         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
7111         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
7112
7113 2004-04-12  Richard Henderson  <rth@redhat.com>
7114
7115         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
7116         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
7117         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
7118         (UNSPEC_*, UNSPECV_*): Renumber.
7119
7120 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
7121
7122         PR mudflap/19266
7123         From Richard Henderson <rth@redhat.com>:
7124         * tree-mudflap.c (mf_build_check_statement_for): Correct block
7125         splitting logic.
7126
7127 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
7128
7129         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
7130
7131 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7132
7133         * config/bfin/bfin.c (bfin_library_id_string): Remove.
7134         (bfin_library_id): New variable.
7135         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
7136         instead of bfin_library_id_string.
7137         (bfin_handle_option): New function.
7138         (override_options): Remove most code to deal with shared library IDs,
7139         just check they aren't used without -mid-shared-library.
7140         (TARGET_HANDLE_OPTION): Define.
7141         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
7142         * config/bfin/bfin.opt (mshared-library-id=): New.
7143
7144 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
7145
7146         * tree-vect-transform.c: Fix comment typos.
7147
7148 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
7149
7150         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
7151         split critical edges when not possible/profitable.
7152
7153 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7154
7155         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
7156         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
7157         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
7158         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
7159         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
7160         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
7161         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
7162         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
7163         MASK_NO_BITFIELD.
7164         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
7165         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7166         * config/ns32k/ns32k.opt: New file.
7167
7168 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7169
7170         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
7171         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
7172         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
7173         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
7174         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
7175         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
7176         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
7177         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
7178         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
7179         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
7180         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
7181         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
7182         (MASK_COLDFIRE): Formatting fixes.
7183         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
7184         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
7185         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
7186         "_current_shared_library_a5_offset_".
7187         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7188         (MASK_ALL_CPU_BITS): New macro.
7189         (m68k_handle_option): New function.
7190         (override_options): Remove handling of m68k_library_id_string.
7191         * config/m68k/m68k.opt: New file.
7192         * config/m68k/ieee.opt: New file.
7193
7194 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
7195
7196         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7197         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
7198         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7199         (TARGET_CXX): Adjust accordingly.
7200         * target.h (struct gcc_target): Remove epxort_class_data.  Add
7201         determine_class_data_visibility and class_data_always_comdat.
7202         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7203         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
7204         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7205         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
7206         (arm_cxx_determine_class_data_visibility): New.
7207         (arm_cxx_class_data_always_comdat): Likewise.
7208         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7209         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
7210         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7211         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
7212         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
7213         Define.
7214
7215 2005-04-11  Devang Patel  <dpatel@apple.com>
7216
7217         * tree-data-ref.c (build_classic_dist_vector,
7218         compute_subscript_distance): Make externally visible.
7219         * tree-data-ref.h (build_classic_dist_vector,
7220         compute_subscript_distance): Same.
7221         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
7222         Check distance vector against vectorization factor.
7223         (vect_analyze_loop): Determine vectorizaion factor before
7224         analyzing data dependences.
7225         * tree-vectorizer.c (loops_num): Make it externally visible and
7226         rename ...
7227         * tree-vectorizer.c (vect_loops_num): ... new name.
7228         * tree-vectorizer.h  (vect_loops_num): New.
7229
7230 2005-04-11  Devang Patel  <dpatel@apple.com>
7231
7232         * tree-vect-analyze.c (vect_analyze_operations): Check
7233         vectorizable codition.
7234         * tree-vect-transform.c (vect_is_simple_cond): New function.
7235         (vectorizable_condition): New function.
7236         (vect_transform_stmt): Handle condition_vec_info_type.
7237         * tree-vectorizer.h (enum stmt_vec_info_type): Add
7238         condition_vec_info_type.
7239         (vectorizable_condition): New.
7240
7241 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
7242
7243         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
7244         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
7245         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
7246
7247         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
7248         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
7249
7250         * dwarf2out.c (output_line_info): Don't try to dereference
7251         a NULL current_function_decl.
7252
7253         * config/t-slibgcc-darwin: Don't put shared libraries in
7254         directories other than $(slibdir).
7255         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
7256         OS uses for it.
7257
7258 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7259
7260         PR tree-optimization/20933
7261         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
7262         logic to reject aliases between read-only and writable
7263         variables ...
7264         (may_alias_p): ... here.
7265         (get_tmt_for): Do not associate read-only tags to pointers
7266         whose pointed-to type is not read-only.
7267         * tree-ssa.c (verify_ssa): Check that memory stores have at
7268         least one V_MAY_DEF or V_MUST_DEF.
7269
7270 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7271
7272         PR/17092
7273         * configure.ac (gcc_UNLOCKED_FUNCS): New.
7274         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
7275         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
7276         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
7277         _unlocked function.
7278         (fwrite_unlocked): Fix prototype.
7279
7280         * configure, config.in: Regenerate.
7281
7282 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
7283
7284         * tree-ssa-loop-im.c: Include real.h.
7285         (determine_invariantness_stmt): If real division divisor is
7286         invariant and flag_unsafe_math_optimizations enabled, generate
7287         invariant reciprocal for hoisting.
7288         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
7289
7290 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7291
7292         Fix PR tree-optimization/20926
7293
7294         * tree-ssa-alias.c (add_type_alias): Handle subvars.
7295
7296 2005-04-11  Devang Patel  <dpatel@apple.com>
7297
7298         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
7299         operand ordering.
7300
7301 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7302
7303         * fold-const.c (fold_binary_op_with_conditional_arg):
7304         use fold_buildN instead of "fold (buildN" in some
7305         non obvious places.
7306         (fold_unary): Likewise.
7307         (fold_binary): Likewise.
7308
7309 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7310
7311         Fix PR tree-optimization/20612
7312         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
7313         handling
7314         (perfect_nestify): preheaderbb is *not* part of loop of the
7315         old destination.
7316
7317 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7318
7319         * tree-ssa-alias.c (may_alias_p): If the variable
7320         is a global variable and the pointer is parameter
7321         and -fargument-noalias-global is used, then
7322         the pointer cannot alias the variable.
7323
7324 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
7325
7326         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
7327         * config/sparc/sparc.h: Likewise.
7328         * config/sparc/sparc.md: Likewise.
7329
7330 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
7331
7332         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
7333
7334         * tree-vrp.c: Fix a comment typo.
7335
7336 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7337
7338         PR tree-optimization/20920
7339         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
7340         SSA_NAME flows through an abnormal edge.
7341         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
7342         through abnormal edges.
7343         (maybe_add_assert_expr): Likewise.
7344
7345 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
7346
7347         * config/s390/s390.h (s390_tune_string, s390_arch_string)
7348         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
7349         (s390_stack_size_string, s390_stack_guard_string, target_flags)
7350         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
7351         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
7352         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
7353         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
7354         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
7355         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
7356         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
7357         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7358         (TARGET_HANDLE_OPTION): Likewise.
7359         (s390_tune): Initialize to PROCESSOR_max.
7360         (s390_arch_string): Make static.
7361         (s390_tune_string, s390_warn_framesize_string): Delete.
7362         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
7363         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
7364         (s390_handle_arch_option, s390_handle_option): New functions.
7365         (override_options): Remove parsing of option strings.
7366         * config/s390/s390.opt: New file.
7367
7368 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7369
7370         * tree-complex.c (expand_vector_operations): Call
7371         update_stmt_if_modified.
7372
7373 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7374
7375         * tree-vect-analyze (vect_determine_vectorization_factor):
7376         Do not use GET_MODE_NUNITS.
7377         * tree-vect-transform.c (vect_get_vec_def_for_operand,
7378         (vectorizable_load, vect_transform_loop): Likewise.
7379
7380 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
7381
7382         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
7383         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
7384         * optabs.h (enum optab_index): Add new OTI_lceil.
7385         (lceil_optab): Define corresponding macro.
7386         * optabs.c (init_optabs): Initialize lceil_optab.
7387         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
7388         and lceildi2 patterns.
7389         * builtins.c (expand_builtin_int_roundingfn): Handle
7390         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
7391         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
7392         BUILT_IN_LLCEIL{,F,L}.
7393         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
7394         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
7395         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
7396         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
7397         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
7398         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
7399         into lceil built-in function and (long long int)ceil{,f,l} into
7400         llceil built-in function.
7401         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
7402         BUILT_IN_LLCEIL.
7403
7404 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7405
7406         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
7407         zero.
7408
7409 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
7410
7411         * config/arm/arm.c: Fix a comment typo.
7412         * doc/tree-ssa.texi: Fix a typo.
7413
7414 2005-04-10  Steven Bosscher  <stevenb@suse.de>
7415
7416         * cselib.c (clear_table): Rename to cselib_clear_table.
7417         * cselib.h (cselib_clear_table): Add prototype.
7418         * gcse.c (gcse_main): Make 'f' argument unused.
7419         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
7420         of each basic block instead.
7421         (compute_sets, compute_hash_table_work): Likewise.
7422         (constprop_register): Change int 'alter_jumps' argument to bool.
7423         (do_local_cprop): Likewise.
7424         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
7425         the insn chain.  Explicitly clear the cselib tables after finishing
7426         one basic block.  Make sure there are no unterminated libcall blocks.
7427         Update compute_sets call.
7428         (cprop): Walk basic blocks instead of the insn chain.
7429         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
7430         Likewise.
7431         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
7432         one_cprop_pass calls.
7433
7434 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7435
7436         * combine.c (combine_simplify_rtx): Remove a transformation that
7437         relies on an invalid assumption about rtl sign-extension semantics.
7438
7439 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7440
7441         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
7442         to build_int_cst_wide.
7443
7444 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
7445
7446         PR target/20126
7447         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
7448         set the original address pseudo to the correct value before the
7449         original insn, if possible, and leave the insn alone, otherwise
7450         create a new pseudo, set it and replace it in the insn.
7451         * recog.c (validate_change_maybe_volatile): New.
7452         * recog.h (validate_change_maybe_volatile): Declare.
7453
7454 2005-04-09  Caroline Tice  <ctice@apple.com>
7455
7456         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7457         Remove targetm.have_named_sections test.
7458         (fix_edges_for_rarely_executed_code): Likewise.
7459         (insert_section_boundary_note): Likewise.
7460         (reorder_basic_blocks): Check partitioning flag before calling
7461         verify_hot_cold_block_grouping.
7462         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
7463         the function struct rather than global variables.
7464         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
7465         (COLD_END_LABEL): Likewise
7466         (cold_text_section_label): New static global variable.
7467         (cold_end_label): Likewise.
7468         (dwarf2out_switch_text_section): Get hot/cold section labels from
7469         the function struct rather than global variables.
7470         (output_aranges): Use cold_text_section_label and cold_end_label;
7471         check partitioning flag before putting out delta.
7472         (output_ranges): Remove incorrect code attempting to use
7473         hot/cold labels.
7474         (output_line_info): Get cold section label from function struct.
7475         (add_location_or_const_value_attribute): Likewise.
7476         (get_subprogram_die): Get hot/cold section labels from function struct.
7477         (dwarf2out_var_location): Likewise.
7478         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
7479         write out cold_text_section_label if partition flag is set.
7480         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
7481         * function.h (struct function): Add new fields to point to hot/cold
7482         section labels: hot_section_label, cold_section_label,
7483         hot_section_end_label and cold_section_end_label; also add new field
7484         for cold text section name, unlikely_text_section_name.
7485         * opts.c (decode_options): Turn off partitioning flag if
7486         !targetm.have_named_sections.
7487         * output.h (hot_section_label): Remove.
7488         (hot_section_end_label): Remove.
7489         (cold_section_end_label): Remove.
7490         (unlikely_section_label): Remove.
7491         (unlikely_text_section_name): Remove.
7492         * passes.c (rest_of_handle_final):  Remove code that frees
7493         unlikely_text_section_name.
7494         * varasm.c (unlikely_section_label): Remove.
7495         (hot_section_label): Remove.
7496         (hot_section_end_label): Remove.
7497         (cold_section_end_label): Remove.
7498         (unlikely_text_section_name):  Remove.
7499         (initialize_cold_section_name): Modify to call
7500         targetm.strip_name_encoding; to store cold section name in current
7501         function struct, if it exists; and to only use the decl_section_name
7502         if flag_named_sections is true.
7503         (unlikely_text_section): Modify to get section name out of current
7504         function struct, if there is one; otherwise build it from
7505         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
7506         (in_unlikely_text_section): Likewise.
7507         (named_section): Modify to get/put cold section name in current function
7508         struct, if there is one.
7509         (function_section):  Change 'bool unlikely' to 'int reloc'; check
7510         targetm.have_named_sections before calling named_section.
7511         (current_function_section): Likewise.
7512         (assemble_start_function): Modify to get/put unlikely_text_section_name
7513         in current function struct; modify to get hot/cold section labels
7514         from function struct; initialize labels using
7515         ASM_GENERATE_INTERNAL_LABEL;
7516         test partitioning flag before writing out hot section label.
7517         (assemble_end_function): Test partitioning flag before writing out
7518         hot/cold section labels.
7519         (default_section_type_flags_1):  Modify to use array instead of
7520          char* for unlikely_text_section_name; set flags correctly for
7521          cold text section if there is not a current function decl.
7522
7523 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7524
7525         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
7526         and TI_VA_LIST_FPR_COUNTER_FIELD.
7527         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
7528         * tree-pass.h (pass_stdarg): Add.
7529         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
7530         * tree-stdarg.c: New file.
7531         * tree-stdarg.h: New file.
7532         * Makefile.in (OBJS-common): Add tree-stdarg.o.
7533         (tree-stdarg.o): Add dependencies.
7534         * function.h (struct function): Add va_list_gpr_size and
7535         va_list_fpr_size fields.
7536         * function.c (allocate_struct_function): Initialize them.
7537         * target.h (struct gcc_target): Add stdarg_optimize_hook.
7538         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7539         (TARGET_INITIALIZER): Add it.
7540
7541         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
7542         va_list_{g,f}pr_counter_field.
7543         (ix86_setup_incoming_varargs): Don't do anything if reg_save
7544         area will not be used.  Only save registers that tree-stdarg.c
7545         detected they need saving.
7546         (ix86_va_start): Don't set up fields that won't be used.
7547
7548         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
7549         va_list_{g,f}pr_counter_field.
7550         (setup_incoming_varargs): Don't do anything if reg_save
7551         area will not be used.  Only save registers that tree-stdarg.c
7552         detected they need saving.
7553         (rs6000_va_start): Don't set up fields that won't be used.
7554
7555         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
7556         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
7557         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
7558         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7559
7560 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7561
7562         PR target/20795
7563         * config/i386/i386.c (construct_container): Pass empty aligned
7564         struct, union or class in memory.
7565
7566 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
7567
7568         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
7569         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
7570         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
7571         config/rs6000/predicates.md: Fix comment typos.
7572
7573         * sched-int.h (haifa_insn_data): Remove blockage and units.
7574         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
7575         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
7576         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
7577
7578 2005-04-09  Jan Hubicka  <jh@suse.cz>
7579             Steven Bosscher  <stevenb@suse.de>
7580
7581         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
7582         * cfgloop.c (get_loop_exit_edges): Likewise.
7583         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
7584         (unloop): Likewise.
7585         * loop-unroll.c (analyze_insns_in_loop): Likewise.
7586         * tree-cfg.c (dump_cfg_status): Likewise.
7587
7588 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
7589
7590         * config/rs6000/predicates.md (altivec_register_operand): Remove
7591         redundant match_code test.
7592         (gpc_reg_operand): Same.
7593         (cc_reg_operand): Same.
7594         (cc_reg_not_cr0_operand): Same.
7595
7596 2005-04-09  Jan Hubicka  <jh@suse.cz>
7597
7598         Forgotten hunk from my last merge patch:
7599         * final.c (output_addr_const): Do not call mark_referenced.
7600
7601 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
7602
7603         * doc/tree-ssa.texi: Add immediate use documentation.
7604
7605 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
7606
7607         * arm.c (FL_WBUF): Define.
7608         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
7609         (arm_is_6_or_7): Delete.
7610         (arm_tune_wbuf): New.
7611         (arm_override_options): Set arm_tune_wbuf.
7612         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
7613         (arm_is_6_or_7): Delete declaration.
7614         (arm_tune_wbuf): New declartion.
7615         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
7616         (model_wbuf): Derive from arm_tune_wbuf.
7617         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
7618         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
7619         (arm740t): Mark CPUs as having a write buffer.
7620
7621 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
7622
7623         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
7624         of 'const_double_operand' in operand 2 constraints.  Update enable
7625         condition.
7626
7627 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
7628
7629         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
7630         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
7631         * optabs.h (enum optab_index): Add new OTI_lfloor.
7632         (lfloor_optab): Define corresponding macro.
7633         * optabs.c (init_optabs): Initialize lfloor_optab.
7634         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
7635         and lfloordi2 patterns.
7636         * builtins.c (expand_builtin_int_roundingfn): New prototype.
7637         (expand_builtin_int_roundingfn): New function.
7638         (fold_builtin_int_roundingfn): New prototype.
7639         (fold_builtin_int_roundingfn): New function, renamed from
7640         fold_builtin_lround.
7641         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
7642         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
7643         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
7644         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
7645         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
7646         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
7647         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
7648         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
7649         into lfloor built-in function and (long long int)floor{,f,l} into
7650         llfloor built-in function.
7651         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
7652         BUILT_IN_LLFLOOR.
7653
7654 2005-04-08  Ian Lance Taylor  <ian@airs.com>
7655
7656         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
7657         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
7658         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
7659         (DO_COND, DO_BODY): Likewise.
7660         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
7661         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
7662         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
7663         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
7664         (build_continue_stmt, build_break_stmt): Don't declare.
7665         (c_do_switch_warnings): Update declaration.
7666         * c-gimplify.c (enum bc_t): Remove.
7667         (struct c_gimplify_ctx, ctxp): Remove.
7668         (push_context, pop_context): Remove static functions.
7669         (c_genericize): Don't call push_context or pop_context.
7670         (begin_bc_block, finish_bc_block): Remove static functions.
7671         (build_bc_goto): Likewise.
7672         (gimplify_c_loop): Likewise.
7673         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
7674         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
7675         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
7676         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
7677         * c-common.c (c_do_switch_warnings): Rename from
7678         c_do_switch_warnings_1.
7679         (c_do_switch_warnings) [old version]: Remove.
7680         (c_do_switch_expr_warnings): Remove.
7681         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
7682         function instead of c_do_switch_expr_warnings.
7683         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
7684         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
7685         * c-pretty-print.c (pp_c_statement): Likewise.
7686         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
7687
7688 2005-04-08  Devang Patel  <dpatel@apple.com>
7689
7690         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
7691         While selecting replacement condition pay attention to loop header.
7692
7693 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
7694
7695         Merge from tree-cleanup-branch: VRP, store CCP, store
7696             copy-prop, incremental SSA updating of FUD chains and
7697             newly exposed symbols.
7698
7699         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
7700         (OBJS-common): Add tree-vrp.o.
7701         (tree-vrp.o): New rule.
7702         * basic-block.h (nearest_common_dominator_for_set): Declare.
7703         * common.opt (ftree-store-ccp): New flag.
7704         (ftree-copy-prop): New flag.
7705         (ftree-vrp): New flag.
7706         (ftree-store-copy-prop): New flag.
7707         * dominance.c (nearest_common_dominator_for_set): New.
7708         * domwalk.c (walk_dominator_tree): Only traverse
7709         statements in blocks marked in walk_data->interesting_blocks.
7710         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
7711         * fold-const.c (fold): Handle ASSERT_EXPR.
7712         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
7713         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
7714         flag_tree_vrp at -O2.
7715         * timevar.def (TV_TREE_VRP): Define.
7716         (TV_TREE_COPY_PROP): Define.
7717         (TV_TREE_STORE_COPY_PROP): Define.
7718         (TV_TREE_SSA_INCREMENTAL): Define.
7719         (TV_TREE_STORE_CCP): Define.
7720         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
7721         to kill_redundant_phi_nodes from comment.
7722         (verify_expr): Handle ASSERT_EXPR.
7723         * tree-dfa.c (mark_new_vars_to_rename): Remove second
7724         argument.  Update all users.
7725         (mark_call_clobbered_vars_to_rename): Remove.  Update all
7726         users.
7727         * tree-flow-inline.h (unmodifiable_var_p): New.
7728         * tree-flow.h (enum value_range_type): Declare.
7729         (struct value_range_def): Declare.
7730         (value_range): Declare.
7731         (remove_all_phi_nodes_for): Remove.  Update all users.
7732         (find_phi_node_for): Declare.
7733         (add_type_alias): Declare.
7734         (count_uses_and_derefs): Declare.
7735         (kill_redundant_phi_nodes): Remove.
7736         (rewrite_into_ssa): Remove.
7737         (rewrite_def_def_chains): Remove.
7738         (update_ssa, register_new_name_mapping, create_new_def_for,
7739         need_ssa_update_p, name_registered_for_update_p,
7740         release_ssa_name_after_update_ssa, dump_repl_tbl,
7741         debug_repl_tbl, dump_names_replaced_by,
7742         debug_names_replaced_by, mark_sym_for_renaming,
7743         mark_set_for_renaming, get_current_def, set_current_def,
7744         get_value_range, dump_value_range, debug_value_range,
7745         dump_all_value_ranges, debug_all_value_ranges,
7746         expr_computes_nonzero, loop_depth_of_name,
7747         unmodifiable_var_p): Declare.
7748         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
7749         ASSERT_EXPR.
7750         * tree-into-ssa.c (block_defs_stack): Update comment.
7751         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
7752         syms_to_rename, names_to_release, repl_tbl,
7753         need_to_initialize_update_ssa_p, need_to_update_vops_p,
7754         need_to_replace_names_p): New locals.
7755         (NAME_SETS_GROWTH_FACTOR): Define.
7756         (struct repl_map_d): Declare.
7757         (struct mark_def_sites_global_data): Add field
7758         interesting_blocks.
7759         (enum rewrite_mode): Declare.
7760         (REGISTER_DEFS_IN_THIS_STMT): Define.
7761         (compute_global_livein): Use last_basic_block instead of
7762         n_basic_blocks.
7763         (set_def_block): Remove last argument.  Update all callers.
7764         (prepare_use_operand_for_rename): Remove.  Update all callers.
7765         (prepare_def_operand_for_rename): Remove.  Update all callers.
7766         (symbol_marked_for_renaming): New.
7767         (is_old_name): New.
7768         (is_new_name): New.
7769         (repl_map_hash): New.
7770         (repl_map_eq): New.
7771         (repl_map_free): New.
7772         (names_replaced_by): New.
7773         (add_to_repl_tbl): New.
7774         (add_new_name_mapping): New.
7775         (mark_def_sites): Assume that all the operands in the
7776         statement are in normal form.
7777         (find_idf): Assert that the block in the stack is valid.
7778         (get_default_def_for): New.
7779         (insert_phi_nodes_for): Add new argument 'update_p'.
7780         Add documentation.
7781         If update_p is true, add a new mapping between the LHS of
7782         each new PHI and the name that it replaces.
7783         (insert_phi_nodes_1): Only call find_idf if needed.
7784         (get_reaching_def): Call get_default_def_for.
7785         (rewrite_operand): Remove.
7786         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
7787         and REWRITE_THIS_STMT are false.
7788         Assume that all the operands in the statement are in
7789         normal form.
7790         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
7791         (rewrite_virtual_phi_arguments): Remove.
7792         (invalidate_name_tags): Remove.
7793         (register_new_update_single, register_new_update_set,
7794         rewrite_update_init_block, replace_use,
7795         rewrite_update_fini_block, rewrite_update_stmt,
7796         rewrite_update_phi_arguments): New.
7797         rewrite_blocks): Remove argument 'fix_virtual_phis'.
7798         Add arguments 'entry', 'what' and 'blocks'.
7799         Initialize the dominator walker according to 'what' and
7800         'blocks'.
7801         Start the dominator walk at 'entry'.
7802         (mark_def_site_blocks): Add argument 'interesting_blocks'.
7803         Use it to configure the dominator walker.
7804         (rewrite_into_ssa): Remove argument 'all'.
7805         Make internal.
7806         (rewrite_all_into_ssa): Remove.
7807         (rewrite_def_def_chains): Remove.
7808         (mark_def_interesting, mark_use_interesting,
7809         prepare_phi_args_for_update, prepare_block_for_update,
7810         prepare_def_site_for, prepare_def_sites,
7811         dump_names_replaced_by, debug_names_replaced_by,
7812         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7813         delete_update_ssa, create_new_def_for,
7814         register_new_name_mapping, mark_sym_for_renaming,
7815         mark_set_for_renaming, need_ssa_update_p,
7816         name_registered_for_update_p, ssa_names_to_replace,
7817         release_ssa_name_after_update_ssa,
7818         insert_updated_phi_nodes_for, update_ssa): New.
7819         * tree-loop-linear.c (linear_transform_loops): Call
7820         update_ssa instead of rewrite_into_ssa.
7821         * tree-optimize.c (vars_to_rename): Remove.
7822         Update all users.
7823         (init_tree_optimization_passes): Replace
7824         pass_redundant_phi with pass_copy_prop.
7825         Add pass_vrp.
7826         Replace pass_ccp with pass_store_ccp.
7827         Add pass_store_copy_prop after pass_store_ccp.
7828         (execute_todo): If the TODO_ flags don't include updating
7829         the SSA form, assert that it does not need to be updated.
7830         Call update_ssa instead of rewrite_into_ssa and
7831         rewrite_def_def_chains.
7832         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7833         (tree_rest_of_compilation):
7834         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7835         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7836         TODO_cleanup_cfg): Renumber.
7837         (TODO_verify_loops, TODO_update_ssa,
7838         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7839         TODO_update_ssa_only_virtuals): Define.
7840         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7841         Declare.
7842         * tree-phinodes.c (make_phi_node): Update documentation.
7843         (remove_all_phi_nodes_for): Remove.
7844         (find_phi_node_for): New.
7845         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7846         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7847         (interpret_rhs_modify_expr): Likewise.
7848         * tree-sra.c (decide_instantiations): Mark all symbols in
7849         SRA_CANDIDATES for renaming.
7850         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7851         (mark_all_v_defs): New function.  Update all users to call it
7852         with the whole list of scalarized statements, not just the
7853         first one.
7854         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7855         (compute_flow_insensitive_aliasing): If the tag is
7856         unmodifiable and the variable isn't or vice-versa, don't
7857         make them alias of each other.
7858         (setup_pointers_and_addressables): If the type tag for
7859         VAR is about to change, mark the old one for renaming.
7860         (add_type_alias): New.
7861         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7862         (ccp_lattice_t): Rename from latticevalue.
7863         (value): Remove.  Update all users.
7864         (const_val): New local variable.
7865         (do_store_ccp): New local variable.
7866         (dump_lattice_value): Handle UNINITIALIZED.
7867         (debug_lattice_value): New.
7868         (get_default_value): Re-write.
7869         (set_lattice_value): Re-write.
7870         (def_to_varying): Remove.  Update all users.
7871         (likely_value): Return VARYING for statements that make
7872         stores when STORE_CCP is false.
7873         Return VARYING for any statement other than MODIFY_EXPR,
7874         COND_EXPR and SWITCH_EXPR.
7875         (ccp_initialize): Re-write.
7876         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7877         Move to tree-ssa-propagate.c.
7878         (ccp_lattice_meet): Handle memory stores when
7879         DO_STORE_CCP is true.
7880         (ccp_visit_phi_node): Likewise.
7881         (ccp_fold): Likewise.
7882         (evaluate_stmt): Likewise.
7883         (visit_assignment): Likewise.
7884         (ccp_visit_stmt): Likewise.
7885         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7886         into DO_STORE_CCP.
7887         (do_ssa_ccp): New.
7888         (pass_ccp): Use it.
7889         (do_ssa_store_ccp): New.
7890         (gate_store_ccp): New.
7891         (pass_store_ccp): Declare.
7892         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7893         (may_propagate_copy): Reformat.
7894         Don't abort if ORIG is a virtual and DEST isn't.
7895         If NEW does not have alias information but DEST does,
7896         copy it.
7897         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7898         copy_prop_kind, which_copy_prop): Declare.
7899         (stmt_may_generate_copy, get_copy_of_val,
7900         get_last_copy_of, set_copy_of_val, dump_copy_of,
7901         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7902         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7903         init_copy_prop, fini_copy_prop, execute_copy_prop,
7904         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7905         store_copy_prop): New.
7906         (pass_copy_prop, pass_store_copy_prop): Declare.
7907         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7908         'num_const_prop' and 'num_copy_prop'.
7909         (cprop_operand): Update them.
7910         (dump_dominator_optimization_stats): Dump them.
7911         (tree_ssa_dominator_optimize): Call update_ssa instead of
7912         rewrite_into_ssa.
7913         (loop_depth_of_name): Declare extern.
7914         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7915         values for LOW or HIGH.
7916         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7917         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7918         (cprop_operand): Only propagate if VAL != OP.
7919         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7920         statement for renaming.
7921         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7922         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7923         add_type_alias if necessary.
7924         Call mark_new_vars_to_rename.
7925         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7926         mark every statement updated, call update_ssa and
7927         rewrite_into_loop_closed_ssa.
7928         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7929         from LIVEIN if VAR is a virtual.
7930         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7931         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7932         (get_call_expr_operands): Reformat statement.
7933         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7934         symbols.
7935         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7936         SSA_NAME_VALUE for every name.
7937         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7938         get_value_loaded_by): New.
7939         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7940         substitute_and_fold): Move from tree-ssa-ccp.c.
7941         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7942         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7943         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7944         Declare.
7945         * tree-ssa.c (verify_use): Fix error message.
7946         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7947         check_phi_redundancy, kill_redundant_phi_nodes,
7948         pass_redundant_phi): Remove.  Update all users.
7949         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7950         add_type_alias, if necessary.
7951         * tree-vectorizer.h (struct _stmt_vect_info): Update
7952         documentation for field 'memtag'.
7953         * tree-vrp.c: New file.
7954         * tree.def (ASSERT_EXPR): Define.
7955         * tree.h (ASSERT_EXPR_VAR): Define.
7956         (ASSERT_EXPR_COND): Define.
7957         (SSA_NAME_VALUE_RANGE): Define.
7958         (struct tree_ssa_name): Add field 'value_range'.
7959         (PHI_REWRITTEN): Remove.
7960         (struct tree_phi_node): Remove field 'rewritten'.
7961         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7962         -ftree-store-copy-prop): Document.
7963         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7964         Document usage of update_ssa.
7965
7966 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7967
7968         PR target/20814
7969         * config/rs6000/predicates.md (altivec_register_operand): Accept
7970         SUBREG.
7971         (and64_operand): Do not limit CONST_INT to mask64_operand.
7972         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7973         (and_operand): Do not limit CONST_INT to mask_operand.
7974
7975 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7976
7977         PR rtl-optimization/20466
7978         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7979         for overlap of the address of each list member.
7980         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7981
7982 2005-04-08  Mike Stump  <mrs@apple.com>
7983
7984         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7985
7986         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7987         instead of 4.
7988
7989 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7990
7991         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7992
7993         * function.c (push_function_context_to): Don't set
7994         contains_functions.
7995         * function.h (function): Remove contains_functions.
7996         (current_function_contains_functions): Remove.
7997
7998         * function.h (function): Remove instrument_entry_exit.
7999         (current_function_instrument_entry_exit): Remove.
8000
8001         * function.h (nonlocal_labels): Remove.
8002
8003         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
8004
8005         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
8006         (check_attr_value, write_attr_get, write_expr_attr_cache,
8007         find_attr, make_internal_attr): Don't reference negative_ok or
8008         unsigned_p.
8009         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
8010         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
8011         (ATTR_STATIC): Adjust the value.
8012
8013         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
8014
8015 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
8016
8017         * config/s390/tpf.h (ASM_SPEC): Define.
8018
8019 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
8020
8021         * tree-flow.h: Remove the prototype for
8022         redirect_immediate_uses.
8023         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
8024
8025 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
8026
8027         * arm.c (arm_const_double_by_parts): New function.
8028         * arm-protos.h (arm_const_double_by_parts): Add prototype.
8029         * arm.md (define_split for 64-bit constants): Add another one.
8030
8031 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
8032
8033         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
8034
8035 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8036
8037         * system.h: Revert last change.
8038
8039 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
8040
8041         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
8042         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
8043         (TARGET_SWITCHES): Delete.
8044         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8045         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
8046         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
8047         * config/xtensa/xtensa.opt: New file.
8048
8049 2005-04-08  Ben Elliston  <bje@au.ibm.com>
8050
8051         * config/fp-bit.c: Include L_mul_tf in #endif comment.
8052         * config/fp-bit.h: Tidy comments.
8053
8054 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8055
8056         * system.h: Poison PARAMS.
8057
8058 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
8059
8060         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
8061         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
8062         (TARGET_SWITCHES): Delete.
8063         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
8064         * config/vax/vax.opt: New file.
8065
8066 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
8067
8068         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
8069
8070 2005-04-07  Ian Lance Taylor  <ian@airs.com>
8071
8072         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
8073         define.
8074         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
8075         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
8076         Likewise.
8077
8078 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
8079
8080         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
8081         all immediate uses in PHI nodes.
8082
8083 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
8084
8085         * arm.c (arm_const_double_inline_cost): Handle any constant by
8086         using gen_lowpart and gen_highpart_mode.
8087         (note_invalid_constants): All constants in an RTX with a constraint
8088         that permits memory are now pushed to the constant pool.
8089         (output_move_double): Delete code to handle reg to reg and
8090         constant to reg moves.
8091         (const_double_needs_minipool, output_mov_immediate): Delete.
8092         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
8093         CONST_INT and CONST_VECTOR.
8094         * arm.md (ANY64): New mode macro.
8095         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
8096         (movdf_soft_insn): Split reg-reg and const-reg moves.
8097         (split patterns for 64-bit constant and register moves): New.
8098         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
8099         (cirrus_movdf_hard_insn): Likewise.
8100         * fpa.md (movdf_fpa): Likewise.
8101         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
8102         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
8103         constraints.
8104         (movv2si_internal_2): Likewise.
8105         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
8106         (movdf_vfp): Likewise.
8107         * arm-protos.h (output_mov_immediate): Delete prototype.
8108
8109 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
8110
8111         PR target/20093
8112         * simplify-rtx.c (simplify_unary_operation_1): Check
8113         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
8114
8115 2005-04-06  James E Wilson  <wilson@specifixinc.com>
8116
8117         PR target/20717
8118         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
8119         ADDR_EXPR.
8120
8121 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8122
8123         * coverage.h (GCOV_TYPE_NODE): Delete.
8124         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
8125         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
8126         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
8127         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
8128         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
8129
8130 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8131
8132         PR other/20792
8133         * Makefile.in (gcc.pot): Remove options.c dependency.
8134         * optc-gen.awk: Don't quote help strings with N_().
8135
8136 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
8137
8138         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
8139         the function returns a pointer type.
8140
8141 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
8142
8143         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
8144         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
8145         * doc/invoke.texi: Documnet salias-max-implicit-fields.
8146         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
8147         explicit_uses members.
8148         (get_or_create_used_part_for): Initialize new fields.
8149         (fieldoff_compare): New function.
8150         (create_overlap_variables_for): Count number of fields, use
8151         heuristic to determine whether to create subvars for vars with
8152         only implicit uses.
8153         Sort the field list by offset and avoid creating duplicate SFT's.
8154
8155 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8156
8157         * c.opt (-F): Remove trailing whitespace from help string.
8158         (-finput-charset): Use a tab to separate the switch name and help
8159         string.
8160         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
8161         (-ftree-vectorizer-verbose): Likewise.
8162
8163 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8164
8165         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
8166         a PHI argument where a use occurs instead of all PHI arguments.
8167
8168 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
8169
8170         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
8171         scope.
8172
8173 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8174
8175         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
8176         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
8177         config/bfin/bfin.h: Fix comment typos.
8178
8179 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
8180
8181         * doc/install.texi: Update the URL for Jacks.
8182         * doc/sourcebuild.texi: Likewise.
8183
8184 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8185
8186         PR target/17245
8187         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
8188         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
8189
8190 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8191
8192         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
8193
8194 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8195
8196         * config/v850/v850-protos.h (override_options): Delete.
8197         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
8198         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
8199         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
8200         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
8201         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
8202         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
8203         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
8204         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
8205         (OVERRIDE_OPTIONS): Delete.
8206         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
8207         (small_memory_info): Remove the value field.
8208         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
8209         TARGET_NO_APP_REGS.
8210         * config/v850/v850.c (small_memory): Remove the value field.
8211         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8212         (override_options): Delete.
8213         (v850_handle_memory_option, v850_handle_option): New functions.
8214         * config/v850/v850.opt: New file.
8215
8216 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
8217
8218         * config.host: Add a section for generic hosts, and a subsection
8219         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
8220         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
8221         * config/host-darwin.h: New.
8222         * config/x-darwin: New.
8223         * config/i386/host-i386-darwin.c: New.
8224         * config/i386/x-darwin: New.
8225         * config/rs6000/host-darwin.c: Include host-darwin.h.
8226         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
8227         (darwin_rs6000_gt_pch_use_address): Likewise.
8228         * config/rs6000/x-darwin: Change name of .o built, update
8229         dependencies for changes to rs6000/host-darwin.c.
8230
8231 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8232
8233         PR target/17824
8234         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
8235
8236 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
8237
8238         * tree-vect-analyze.c (vect_analyze_loop_form): Call
8239         split_loop_exit_edge instead of loop_split_edge_with.
8240
8241 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
8242
8243         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
8244         UNSPEC_SET_VSCR): New constants, used throughout.
8245         (*andc3_v4sf): New.
8246         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
8247         Replace with...
8248         (altivec_vspltis<VI_char>): ... this pattern, using
8249         a QImode const_int_operand for the immediate.
8250         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
8251         define_expands.
8252
8253 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8254
8255         PR target/17822
8256         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
8257
8258 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8259
8260         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
8261
8262 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8263
8264         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
8265         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
8266         macros as living in "this file" and not gcc.h.
8267
8268 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8269
8270         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
8271         -ftree-live_range_split.  Perhaps renamed at some point?
8272
8273 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8274
8275         PR target/20625
8276         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
8277         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
8278
8279 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8280
8281         * tree-flow.h (number_of_iterations_cond): Declaration removed.
8282         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
8283         (number_of_iterations_special): New function.
8284         (number_of_iterations_exit): Use number_of_iterations_special.
8285         Use simplify_using_outer_evolutions only at -O3.
8286         (number_of_iterations_cond, tree_simplify_using_condition,
8287         simplify_using_initial_conditions, loop_niter_by_eval,
8288         compare_trees, can_count_iv_in_wider_type_bound,
8289         simplify_using_outer_evolutions): Use fold_build.
8290
8291 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
8292
8293         * doc/install.texi (Configuration): Document --with-java-home.
8294
8295 2005-04-05  Richard Henderson  <rth@redhat.com>
8296
8297         PR target/20342
8298         PR target/20447
8299         * config/i386/i386.c (print_operand): Handle vector zeros.
8300         (ix86_split_to_parts): Handle CONST_VECTOR.
8301         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
8302         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
8303         what modes to tie for MMX and SSE registers.
8304         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
8305         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
8306         to vector modes as well.
8307         * config/i386/predicates.md (const0_operand): Handle VOIDmode
8308         properly as an input mode.
8309
8310 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8311
8312         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
8313
8314 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8315
8316         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
8317
8318 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8319
8320         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
8321         and local functions, set sse_nregs to 8 and float_in_sse.
8322         (function_arg_advance, function_arg): If float_in_sse, pass
8323         SFmode and DFmode arguments in SSE registers.
8324         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
8325
8326         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
8327         of -funit-at-a-time.
8328
8329 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8330
8331         * config/i386/i386-protos.h (ix86_function_value): Accept two
8332         arguments, like the target macro.
8333         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
8334         * config/i386/i386.c (ix86_function_value): Accept the second
8335         argument of the target macro.
8336         (ix86_function_ok_for_sibcall): Pass a function pointer to
8337         ix86_function_value.
8338         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
8339         call to ix86_value_regno).
8340         (ix86_value_regno): Add support for returning floating point values
8341         in SSE registers.
8342
8343 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8344
8345         PR tree-optimization/20076
8346         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
8347         that call __builtin_return or __builtin_apply_args.
8348
8349 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8350
8351         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
8352         Use immediate use iterator.
8353         (stmt_is_bumper_for_loop): Use immediate use iterator.
8354         * predict.c (strip_builtin_expect): Use update_stmt.
8355         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
8356         on all elements of a STATEMENT_LIST.
8357         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
8358         (bsi_remove): Remove imm_use links and mark the stmt as modified.
8359         (bsi_replace): Mark stmt as modified and the update it.
8360         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
8361         (expand_complex_libcal): Call update_stmt.
8362         (expand_complex_comparison): Call mark_stmt_modified.
8363         (expand_complex_operations_1): Call update_stmt_if_modified.
8364         (expand_vector_operations_1): Call mark_stmt_modified.
8365         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
8366         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
8367         add_immediate_use, redirect_immediate_use,
8368         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
8369         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
8370         (mark_new_vars_to_rename): Call update_stmt.
8371         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
8372         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
8373         Ignore PHI nodes.
8374         (unmodify_stmt): Delete.
8375         (update_stmt): New.  Force an update of a stmt.
8376         (update_stmt_if_modified): update a stmt if it is out of date.
8377         (get_stmt_operands): Verify stmt is NOT modified.
8378         (stmt_modified_p): Update comment.
8379         (delink_imm_use): Remove a use node from its immuse list.
8380         (link_imm_use_to_list): Link a use node to a specific list.
8381         (link_imm_use): Link a node to the correct list.
8382         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
8383         it in the correct list, if appropriate.
8384         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
8385         (relink_imm_use): Link a use node in place of another node in a list.
8386         (relink_imm_use_stmt): LInk a node in place of another node, and set
8387         the stmt pointer.
8388         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
8389         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
8390         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
8391         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
8392         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
8393         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
8394         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
8395         (has_zero_uses): New.  Return true if there are no uses of a var.
8396         (has_single_use): New.  Return true if there is only a single use of a
8397         variable.
8398         (single_imm_use): New.  Return the simgle immediate use.
8399         (num_imm_uses): New.  Return the number of immediate uses.
8400         (get_v_must_def_ops): Use is now a pointer.
8401         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
8402         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
8403         the use node.
8404         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
8405         (delink_stmt_imm_use): Delink all immuses from a stmt.
8406         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
8407         * tree-flow.h (struct dataflow_d): Delete.
8408         (immediate_use_iterator_d): New.  Immediate use iterator struct.
8409         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
8410         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
8411         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
8412         iteration.
8413         (struct stmt_ann_d): Remove dataflow_t from struct.
8414         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
8415         (if_convertible_phi_p): Use FAST immuse iterator.
8416         (if_convertible_loop_p): Don't call compute_immediate_uses.
8417         (replace_phi_with_cond_modify_expr): Call update_stmt.
8418         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
8419         update_stmt_if_modified.
8420         (rewrite_all_into_ssa): Initialize ssa operands.
8421         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
8422         compute_immediate_uses.
8423         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
8424         ssa_property is available.
8425         (execute_one_pass):  Change parameters passed to execute_todo.
8426         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
8427         (remove_ssa_form): Call fini_ssa_operands.
8428         (insert_backedge_copies): Delete call to modify_stmt.
8429         * tree-phinodes.c (make_phi_node): Initialize use nodes.
8430         (release_phi_node): Delink any use nodes before releasing.
8431         (resize_phi_node): Relink any use nodes.
8432         (remove_phi_arg_num): Delink the use node.
8433         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
8434         (remove_all_phi_nodes_for): Release phi node first.
8435         * tree-pretty-print.c (dump_generic_node): Print stmt address.
8436         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
8437         (scalarize_use, scalarize_copy): Call update_stmt.
8438         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
8439         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
8440         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
8441         (ccp_initialize): Remove call to compute_immediate_uses.
8442         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
8443         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
8444         stmts.
8445         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
8446         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
8447         (eliminate_redundant_computations): Call mark_stmt_modified.
8448         (cprop_operand): Call mark_stmt_modified.
8449         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
8450         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
8451         (dse_optimize_stmt): Use new immuse interface.
8452         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
8453         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
8454         (substitute_single_use_vars): Use new immuse interface.
8455         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
8456         and compute_immediate_uses.
8457         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
8458         interface.
8459         (rewrite_mem_refs): Call update_stmt.
8460         (determine_lsm): Remove call to compute_imm_uses and free_df.
8461         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
8462         (try_unroll_loop_completely): Call update_stmt.
8463         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
8464         (rewrite_use_compare): Call update_stmt.
8465         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
8466         (rewrite_use) : Call update_stmt.
8467         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
8468         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
8469         update_stmt.
8470         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
8471         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
8472         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
8473         use nodes.
8474         (initialize_vuse_operand): New.  Initialize a vuse operand.
8475         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
8476         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
8477         (finalize_ssa_defs): Use stmt parameter.
8478         (correct_use_link): Ensure a use node is in the correct list, and has
8479         the correct stmt pointer.
8480         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
8481         finalize_ssa_v_must_defs): Also initialize use nodes.
8482         (finalize_ssa_stmt_operands): Pass extra stmt operands.
8483         (build_ssa_operands): Seperate parsing from final operand construction.
8484         (parse_ssa_operands): New.  Parse entry point for operand building.
8485         (swap_tree_operands): New.  Swap 2 tree operands.
8486         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
8487         operands.
8488         (get_expr_operands): Call swap_tree_operands when needed.
8489         (copy_virtual_operands): Use initialize routines for virtual use ops.
8490         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
8491         (verify_abort): New.  Issue imm_use error.
8492         (verify_imm_links): New Verify imm_use links for a var.
8493         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
8494         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
8495         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
8496         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
8497         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
8498         (NULL_USE_OPERAND_P) Define.
8499         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
8500         use node.
8501         (struct vuse_operand_type): New struct.
8502         (SET_USE): Call set_ssa_use_from_ptr.
8503         (USE_STMT): Define.
8504         (PHI_ARG_INDEX_FROM_USE): Define.
8505         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
8506         argument via SET_USE, not PHI_ARG_DEF_TREE.
8507         * tree-ssa-pre.c (eliminate): Call update_stmt.
8508         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
8509         call free_df.
8510         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
8511         (nearest_common_dominator_of_uses): Use imm_use iterator.
8512         (statement_sink_location): Use imm_use iterator and interface.
8513         (execute_sink_code): Don't call compute_immediate_uses or free-df.
8514         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
8515         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
8516         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
8517         (verify_ssa): Ensure no stmt is marked modify after optimization pass
8518         if new parameter is true.
8519         (init_tree_ssa): Don't initialize operand cache here.
8520         (delete_tree_ssa): Don't destroy operand cache here.
8521         (propagate_into_addr): Pass in a use pointer, return true if anything
8522         was changed.
8523         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
8524         (check_phi_redundancy): Use imm_use iterator.
8525         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
8526         free_df.
8527         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
8528         (release_ssa_name): Delink node and all elements in its imm_use list.
8529         * tree-tailcall.c (adjust_return_value): Call update_stmt.
8530         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
8531         * tree-vectorizer.c (need_imm_uses_for): Delete.
8532         (vectorize_loops): Dont call compute_immediate_uses or free_df.
8533         * tree.h (struct ssa_imm_use_d): Define.
8534         (SSA_NAME_IMM_USE_NODE): Define.
8535         (struct tree_ssa_name): Add imm_use node.
8536         (PHI_DF): Delete.
8537         (PHI_ARG_IMM_USE_NODE): Define.
8538         (struct phi_arg_d): Add imm_use node.
8539         (struct tree_phi_node): Remove struct dataflow_d element.
8540         (TDF_STMTADDR): Define.
8541
8542 2005-04-05  Dale Johannesen  <dalej@apple.com>
8543
8544         * doc/invoke.texi (Optimization Options):  Remove
8545         duplicate -fcse-follow-jumps.  Add -fweb.
8546         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
8547         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
8548
8549 2005-04-05  Per Bothner  <per@bothner.com>
8550
8551         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
8552         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
8553         (warn_uninit): Get EXPR_LOCUS from context now instead.
8554         This fixes a USE_MAPPED_LOCATION testsuite failure.
8555
8556         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
8557
8558 2005-04-05  Per Bothner  <per@bothner.com>
8559
8560         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
8561         of the artification 'return 0' in main() to BUILTINS_LOCATION.
8562         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
8563         before warning.
8564
8565 2004-04-05  Devang Patel  <dpatel@apple.com>
8566
8567         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
8568         (lhsr<mode>3): ... new name.
8569         (altivec_vsra<VI_char>): Rename to ..
8570         (ashr<mode>3): ... new name.
8571         * config/rs6000/rs6000.c (builtin_description): Rename shift
8572         operations.
8573
8574 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
8575
8576         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
8577         gen_lowpart_for_combine.
8578         * cse.c (gen_lowpart_if_possible): Move...
8579         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
8580         gen_lowpart_SUBREG.
8581         (gen_lowpart_no_emit_general): Use it.
8582
8583 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8584
8585         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
8586         overriding.
8587
8588 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8589
8590         * system.h: Fix typo.
8591
8592 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8593
8594         * config/bfin/bfin-modes.def: New file.
8595         * config/bfin/bfin-protos.h: New file.
8596         * config/bfin/bfin.c: New file.
8597         * config/bfin/bfin.h: New file.
8598         * config/bfin/bfin.md: New file.
8599         * config/bfin/bfin.opt: New file.
8600         * config/bfin/crti.s: New file.
8601         * config/bfin/crtn.s: New file.
8602         * config/bfin/elf.h: New file.
8603         * config/bfin/lib1funcs.asm: New file.
8604         * config/bfin/predicates.md: New file.
8605         * config/bfin/t-bfin: New file.
8606         * config/bfin/t-bfin-elf: New file.
8607         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
8608         Document new attributes.
8609         (interrupt, interrupt_handler, saveall): Update documentation for
8610         these attributes.
8611         * doc/install.texi (Specific): Add entry for the Blackfin.
8612         * doc/invoke.texi (Blackfin Options): New section.
8613         * doc/md.texi (Blackfin family): New section to document constraints.
8614         * config.gcc: Add bfin*-* and bfin*-elf configurations.
8615
8616 2005-04-05  Olivier Hainque  <hainque@adacore.com>
8617
8618         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
8619         match what the system unwinder expects.
8620         * config/mips/mips.c (mips_frame_set): If we're saving the return
8621         address register and the dwarf return address column number differs
8622         from the hard register number, adjust the note reg to refer to the
8623         former.
8624
8625 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
8626
8627         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
8628         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
8629         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
8630         (processor_type): New enum.
8631         (mn10300_processor): New variable.
8632         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
8633         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
8634         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
8635         (PROCESSOR_DEFAULT): New macro.
8636         * config/mn10300/mn10300.c (mn10300_processor): New variable.
8637         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8638         (mn10300_handle_option, mn10300_override_options): New functions.
8639         * config/mn10300/mn10300.opt: New file.
8640
8641 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8642             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
8643
8644         PR tree-optimization/19903
8645         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
8646         that don't fit in their type after conversion.
8647
8648 2005-04-05  Uros Bizjak <uros@kss-loka.si>
8649
8650         PR target/20421
8651         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
8652         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
8653         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
8654         flag here. Implement using define_insn_and_split.
8655         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
8656         (frndintxf2_mask_pm_i387): New insn patterns.
8657         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
8658         Do not set ix86_optimize_mode_switching flag.
8659         (ceilsf2, ceildf2, ceilxf2): Same.
8660         (btruncsf2, btruncdf2, btruncxf2): Same.
8661         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
8662
8663 2005-04-05  Ian Lance Taylor  <ian@airs.com>
8664
8665         PR debug/9963
8666         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
8667         i386_pe_record_external_function.
8668         (i386_pe_record_external_function): Update declaration.
8669         * config/i386/winnt.c (struct extern_list): Add decl field.
8670         (i386_pe_record_external_function): Add decl parameter.
8671         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
8672         identifier.
8673         * config/i386/i386-protos.h (i386_pe_record_external_function):
8674         Update declaration.
8675
8676 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
8677
8678         * config/m68k/m68k-protos.h: Add a prototype for
8679         valid_dbcc_comparison_p_2.
8680         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
8681         extend_operator, const_uint32_operand, const_sint32_operand,
8682         general_src_operand, nonimmediate_src_operand,
8683         memory_src_operand, post_inc_operand, pre_dec_operand,
8684         pcrel_address): Move to predicates to predicates.md.
8685         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
8686         * config/m68k/m68k.md: Include predicates.md.
8687         * config/m68k/predicates.md: New.
8688
8689 2005-04-04  Roger Sayle  <roger@eyesopen.com>
8690
8691         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
8692
8693         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
8694
8695 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8696
8697         * c-typeck.c (struct c_switch): Rename switch_stmt field to
8698         switch_expr.
8699         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
8700         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
8701         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
8702         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
8703         * c-common.c (c_do_switch_warnings_1): New static function broken
8704         out of c_do_switch_warnings.
8705         (c_do_switch_warnings): Call c_do_switch_warnings_1.
8706         (c_do_switch_expr_warnings): New function.
8707         * c-common.h (c_do_switch_expr_warnings): Declare.
8708
8709 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
8710             Daniel Jacobowitz  <dan@codesourcery.com>
8711
8712         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
8713         trapping divide.
8714         * rtlanal.c (may_trap_p): Same.
8715
8716 2005-04-04  Dale Johannesen  <dalej@apple.com>
8717
8718         * ChangeLog:  remove reference to ChangeLog.12.
8719
8720 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
8721
8722         CRIS epilogue as RTL.
8723         * config/cris/cris.md: Change all 0 in unspec 0 to
8724         CRIS_UNSPEC_PLT.
8725         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
8726         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
8727         patterns.
8728         ("return"): Change to define_expand.  Call cris_expand_return for
8729         actual expansion.
8730         ("*return_expanded"): New pattern.
8731         ("epilogue"): New define_expand.
8732         * config/cris/cris.h (PREDICATE_CODES): Add
8733         cris_load_multiple_op.
8734         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
8735         type.
8736         (enum cris_retinsn_type): New.
8737         (struct machine_function): New member return_type.
8738         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
8739         (cris_target_asm_function_epilogue): Remove, moving RTLified
8740         contents to...
8741         (cris_expand_epilogue): New function.
8742         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
8743         (cris_gen_movem_load, cris_load_multiple_op)
8744         (cris_return_address_on_stack_for_return, cris_expand_return): New
8745         functions.
8746         (cris_target_asm_function_prologue)
8747         (cris_initial_frame_pointer_offset): Call
8748         cris_reg_saved_in_regsave_area instead of complicated expression.
8749         Call cris_return_address_on_stack instead of an expression.
8750         (cris_print_operand) <case 'o', case 'O'>: New cases.
8751         (cris_return_address_on_stack): Change return-type to bool.
8752         (cris_simple_epilogue): Ditto.  Return false if registers are
8753         saved.
8754         * config/cris/cris-protos.h (cris_simple_epilogue)
8755         (cris_return_address_on_stack): Adjust prototype return type.
8756         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
8757         (cris_return_address_on_stack_for_return): New prototypes.
8758
8759 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8760
8761         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
8762         gpr_or_int12_operand.
8763
8764         * config/frv/frv-protos.h: Add a prototype to
8765         frv_legitimate_memory_operand and frv_const_unspec_p.
8766         (frv_unspec): Move from frv.c.
8767         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
8768         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
8769         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
8770         gpr_or_fpr_operand, gpr_or_int12_operand,
8771         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
8772         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
8773         int6_operand, int5_operand, uint5_operand, uint4_operand,
8774         uint1_operand, int_2word_operand, uint16_operand,
8775         upper_int16_operand, integer_register_operand,
8776         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
8777         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
8778         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
8779         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
8780         move_destination_operand, movcc_fp_destination_operand,
8781         frv_function_symbol_referenced_p, move_source_operand,
8782         condexec_dest_operand, condexec_source_operand,
8783         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
8784         const_unspec_operand, gpr_or_memory_operand,
8785         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
8786         icc_operand, fcc_operand, cc_operand, icr_operand,
8787         fcr_operand, cr_operand, call_operand, sibcall_operand,
8788         symbolic_operand, relational_operator,
8789         integer_relational_operator, float_relational_operator,
8790         ccr_eqne_operator, minmax_operator,
8791         condexec_si_binary_operator, condexec_si_media_operator,
8792         condexec_si_divide_operator, condexec_si_unary_operator,
8793         condexec_sf_conv_operator, condexec_sf_add_operator,
8794         condexec_memory_operand, intop_compare_operator, acc_operand,
8795         even_acc_operand, quad_acc_operand, accg_operand: Move to
8796         predicates.md.
8797         * config/frv/frv.h (PREDICATE_CODES): Remove.
8798         * config/frv/frv.md: Include predicates.md.
8799         * config/frv/predicates.md: New.
8800
8801 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8802
8803         PR target/19537
8804         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8805         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8806         (add_standard_iv_candidates_for_size): New function, extracting code
8807         from add_standard_iv_candidates and parameterizing it by type size.
8808         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8809
8810 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8811
8812         * system.h (GCOV_SIZE_TYPE): Unposion.
8813         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8814         (GCOV_TYPE_SIZE): ...this new macro.
8815         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8816         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8817         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8818         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8819         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8820         instead of unsigned_intSI_type_node.
8821         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8822         (rtl_gen_one_value_profiler_no_edge_manipulation)
8823         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8824         * value-prof.c: Include coverage.h.
8825
8826 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8827             Diego Novillo <dnovillo@redhat.com>
8828
8829         Fix PR tree-optimization/20703
8830         Fix PR tree-optimization/20725
8831
8832         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8833         (create_expression_by_pieces): Ditto.
8834         (valid_in_set): Ditto. Also handle tcc_declaration.
8835         (find_or_generate_expression): Handle comparison class.
8836         (insert_into_preds_of_block): Ditto.
8837         (insert_aux): Ditto.
8838         (create_value_expr_from): Handle comparison class, recursively
8839         handle reference nodes.
8840         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8841         (execute_pre): Fix spacing.
8842         (do_fre): Renamed to execute_fre.
8843
8844 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8845
8846         * doc/invoke.texi (SPARC options): Document that
8847         -mlittle-endian is not supported on Linux either.
8848
8849 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8850
8851         PR target/4198
8852         PR target/12027
8853         * config.gcc (Obsolete configurations): Remove
8854         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8855         (sparclite-*-coff*): Delete.
8856         (sparclite-*-elf*): Likewise.
8857         (sparc86x-*-elf*): Likewise.
8858         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8859         * config/sparc/lite.h: Delete.
8860         * config/sparc/litecoff.h: Likewise.
8861         * config/sparc/liteelf.h: Likewise.
8862         * config/sparc/sp86x-elf.h: Likewise.
8863         * config/sparc/t-sparclite: Likewise.
8864         * config/sparc/t-sp86x: Likewise.
8865
8866 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8867
8868         * config/s390/s390-protos.h: (s390_comparison,
8869         s390_alc_comparison, s390_slb_comparison, const0_operand,
8870         consttable_operand, larl_operand, s_operand,
8871         shift_count_operand, bras_sym_operand, load_multiple_operation,
8872         store_multiple_operation, s390_plus_operand): Remove prototypes.
8873         (s390_legitimate_address_without_index_p): New prototype.
8874         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8875         to s390.h.
8876         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8877         const0_operand, consttable_operand, larl_operand, s_operand,
8878         shift_count_operand, bras_sym_operand, load_multiple_operation,
8879         store_multiple_operation, s390_plus_operand): Move to
8880         predicates.md.
8881         (check_mode): Remove.
8882         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8883         s390-protos.h.
8884         (s390_legitimate_address_without_index_p): New.
8885         * config/s390/s390.h (PREDICATE_CODES): Remove.
8886         * config/s390/s390.md: Include predicates.md.
8887         * config/s390/predicates.md: New.
8888
8889 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8890
8891         PR target/20446
8892         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8893         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8894         (NEED_INDICATE_EXEC_STACK): Define to 1.
8895         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8896         (NEED_INDICATE_EXEC_STACK): Define to 1.
8897         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8898         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8899         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8900         (pic_helper_emitted_p): New global.
8901         (emit_pic_helper): New function extracted from...
8902         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8903         Do not call emit_pic_helper if delay_pic_helper is true.
8904         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8905         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8906         (sparc_file_end): New function.
8907
8908 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8909
8910         * config/mcore/mcore-protos.h: Remove the prototypes for
8911         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8912         mcore_general_movdst_operand, mcore_reload_operand,
8913         mcore_arith_J_operand, mcore_arith_K_operand,
8914         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8915         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8916         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8917         mcore_literal_K_operand, mcore_addsub_operand,
8918         mcore_compare_operand, mcore_load_multiple_operation,
8919         mcore_store_multiple_operation, mcore_call_address_operand.
8920         Add a prototype for const_ok_for_mcore.
8921         * config/mcore/mcore.c (mcore_call_address_operand,
8922         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8923         mcore_arith_reg_operand, mcore_reload_operand,
8924         mcore_arith_J_operand, mcore_arith_K_operand,
8925         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8926         mcore_arith_M_operand, mcore_arith_imm_operand,
8927         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8928         mcore_literal_K_operand, mcore_addsub_operand,
8929         mcore_compare_operand, mcore_load_multiple_operation,
8930         mcore_store_multiple_operation): Move to predicates.md.
8931         (const_ok_for_mcore): Export.
8932         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8933         * config/mcore/mcore.md: Include predicates.md.
8934         * config/mcore/predicates.md: New.
8935
8936         * config/mcore/predicates.md: Fix a comment typo.
8937
8938 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8939             Adrian Straetling  <straetling@de.ibm.com>
8940
8941         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8942         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8943         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8944         attribute.
8945         ("imul"): Removed from "type" attribute.
8946         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8947         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8948         Changed type to imulsi.
8949         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8950
8951 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8952
8953         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8954         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8955         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8956         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8957         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8958         (TARGET_SWITCHES, mcore_stack_increment_string)
8959         (TARGET_OPTIONS): Delete.
8960         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8961         than *_BIT constants.
8962         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8963         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8964         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8965         (mcore_override_options): Delete mcore_stack_increment code.
8966         Change use of M340_BIT to MASK_M340.
8967         * config/mcore/mcore.opt: New file.
8968
8969 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8970
8971         * config/arm/arm.c (replace_symbols_in_block): Remove static
8972         function.
8973
8974 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8975
8976         * config/fr30/fr30-protos.h: Remove the prototypes for
8977         stack_add_operand, add_immediate_operand,
8978         high_register_operand, low_register_operand, call_operand,
8979         di_operand, and nonimmediate_di_operand.
8980         * config/fr30/fr30.c (stack_add_operand,
8981         add_immediate_operand, high_register_operand,
8982         low_register_operand, call_operand, di_operand,
8983         nonimmediate_di_operand): Move to predicates.md.
8984         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8985         * config/fr30/fr30.md: Include predicates.md.
8986         * config/fr30/predicates.md: New.
8987
8988         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8989         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8990         mcore_call_address_operand.
8991
8992         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8993         general_movsrc_operand.
8994
8995 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8996
8997         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8998         after freeing.
8999
9000 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
9001
9002         PR target/14812
9003         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
9004         a negated value.
9005
9006 2005-04-04  Richard Henderson  <rth@redhat.com>
9007             Jakub Jelinek  <jakub@redhat.com>
9008
9009         PR rtl-optimization/16104
9010         * fold-const.c (fold_unary): Fix folding of vector conversions.
9011
9012 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9013
9014         * config.gcc (xstormy16-*-elf): Set extra_options.
9015         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
9016         * config/stormy16/stormy16.opt: New file.
9017
9018 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9019
9020         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
9021         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
9022         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
9023         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
9024         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
9025         (TARGET_UNIX_ASM): Delete.
9026         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
9027         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
9028         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
9029         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9030         * config/pdp11/pdp11.opt: New file.
9031
9032 2005-04-03  Roger Sayle  <roger@eyesopen.com>
9033             Alexandre Oliva  <aoliva@redhat.com>
9034
9035         PR c++/19199
9036         * fold-const.c (non_lvalue): Split tests into...
9037         (maybe_lvalue_p): New function.
9038         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
9039         C++ front-end prior to lowering into gimple form.
9040
9041 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9042
9043         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
9044         BUILT_IN_STRNCASECMP): New.
9045         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
9046         and strndup.
9047
9048 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
9049
9050         PR target/14812
9051         * arm.md (addsi3_compare0_for_combiner): Delete.
9052         (addsi3_compare0_scratch_for_combiner): Delete.
9053         (cmpsi_neg_shiftsi): Delete.
9054         (compare_negsi_si): New pattern.
9055         (cmpsi_negshiftsi_si): New pattern.
9056         (negated_cbranchsi4): Restrict to equality_operator.
9057
9058         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
9059         template.
9060
9061 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9062
9063         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
9064         Fix comment typos.
9065
9066         * doc/install.texi: Fix a typo.
9067
9068 2005-04-03  Steven Bosscher  <stevenb@suse.de>
9069
9070         PR middle-end/20648
9071         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
9072         a computed goto if the edge to the computed goto block has
9073         incoming abnormal edges.  Clarify how the function works.
9074
9075 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
9076
9077         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
9078         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
9079         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
9080         hash_scan_set, reg_set_between_after_reload_p,
9081         reg_used_between_after_reload_p, get_avail_load_store_reg,
9082         eliminate_partially_redundant_load): Likewise.
9083         * postreload.c (reload_cse_simplify_set,
9084         reload_combine_note_use): Likewise.
9085         * predict.c (predict_insn, expected_value_to_br_prob,
9086         propagate_freq, expensive_function_p): Likewise.
9087         * print-rtl.c (print_rtx): Likewise.
9088         * profile.c (instrument_edges, instrument_values,
9089         compute_branch_probabilities, branch_prob, union_groups,
9090         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
9091         * protoize.c (in_system_include_dir, file_could_be_converted,
9092         file_normally_convertible, gen_aux_info_file, seek_to_line,
9093         do_cleaning): Likewise.
9094         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
9095         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
9096         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
9097
9098 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9099
9100         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
9101         * modulo-sched.c (undo_replace_buff_elem): New structure.
9102         (kernel_number_of_cycles, ps_unschedule_node,
9103         undo_generate_reg_moves,free_undo_replace_buff,
9104         undo_permute_partial_schedule,  loop_single_full_bb_p,
9105         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
9106         build_loops_structure, get_sched_window): New.
9107         (generate_reg_moves): Return undo_replace_buff_elem and other
9108         fixes.
9109         (generate_prolog_epilog): Remove old loop versioning.
9110         (sms_schedule): Use loop information and loop_version.
9111         (sms_schedule_by_order): Split part of it to get_sched_window.
9112         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
9113         cfg_layout_finalize and free_dominance_info before/after SMS.
9114
9115 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9116
9117         * cfghooks.c (lv_flush_pending_stmts,
9118         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
9119         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
9120         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
9121         lv_add_condition_to_bb,
9122         lv_adjust_loop_header_phi, extract_cond_bb_edges,
9123         flush_pending_stmts): New in cfg_hooks structure.
9124         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
9125         extract_cond_bb_edges, lv_adjust_loop_header_phi,
9126         lv_add_condition_to_bb): New declarations.
9127         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
9128         bool.
9129         (loop_version): Declare.
9130         * cfgloopmanip.c (cfghooks.h): Include.
9131         (duplicate_loop_to_header_edge): Change return type to bool.
9132         (loop_version, lv_adjust_loop_entry_edge): Move here.
9133         * cfgrtl.c (cfgloop.h): Include.
9134         (rtl_verify_flow_info_1): Fix.
9135         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
9136         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
9137         initialization.
9138         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
9139         tree_lv_add_condition_to_bb): New.
9140         (tree_cfg_hooks): Add new hooks to initialization.
9141         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
9142         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
9143
9144 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9145
9146         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
9147         xstormy16_below100_or_register,
9148         xstormy16_splittable_below100_or_register, and
9149         nonimmediate_nonstack_operand.
9150
9151         * config/stormy16/stormy16-protos.h: Remove the prototypes for
9152         xstormy16_ineqsi_operator, equality_operator,
9153         inequality_operator, shift_operator,
9154         xstormy16_below100_operand, xstormy16_below100_or_register,
9155         xstormy16_splittable_below100_or_register,
9156         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
9157         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
9158         equality_operator, inequality_operator,
9159         xstormy16_below100_operand, xstormy16_below100_or_register,
9160         xstormy16_splittable_below100_or_register,
9161         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
9162         nonimmediate_nonstack_operand, shift_operator): Move to
9163         predicates.md.
9164         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
9165         * config/stormy16/stormy16.md: Include predicates.md.
9166         * config/stormy16/predicates.md: New.
9167
9168 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9169
9170         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
9171         small_int, large_int, reg_or_0_operand, simple_memory_operand,
9172         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
9173         move_operand, power_of_2_operand): Move to predicates.md.
9174         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
9175         PREDICATE_CODE): Remove.
9176         * config/iq2000/iq2000.md: Include predicates.md.
9177         * config/iq2000/predicates.md: New.
9178
9179 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
9180
9181         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
9182         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
9183         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
9184         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
9185         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
9186         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
9187         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
9188         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9189         (TARGET_M68HC11): Delete.
9190         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
9191         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
9192         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
9193         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9194         (nb_soft_regs): Delete.
9195         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
9196         (m68hc11_override_options): Remove the code that caters for MASK_M6811
9197         and MASK_M6812 being set simultaneously.  Change the code that sets
9198         the default m68hc11_soft_reg_count to use integers instead of strings.
9199         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
9200         m68hc11_soft_reg_count (which now has an int type) as the number
9201         of soft registers.
9202         * config/m68hc11/m68hc11.opt: New file.
9203
9204 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9205
9206         * config/fr30/fr30.h (PREDICATE_CODES): Remove
9207         fp_displacement_operand, sp_displacement_operand.
9208
9209         * config/m68hc11/m68hc11-protos.h: Add a prototype for
9210         m68hcc_auto_inc_p.
9211         Remove the prototypes for tst_operand, cmp_operand,
9212         stack_register_operand, d_register_operand,
9213         hard_addr_reg_operand, splitable_operand,
9214         m68hc11_logical_operator, m68hc11_arith_operator,
9215         m68hc11_non_shift_operator, m68hc11_shift_operator,
9216         m68hc11_unary_operator, m68hc11_eq_compare_operator,
9217         non_push_operand, hard_reg_operand, and
9218         reg_or_some_mem_operand.
9219         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
9220         extern.
9221         (tst_operand, cmp_operand, non_push_operand,
9222         splitable_operand, reg_or_some_mem_operand,
9223         stack_register_operand, d_register_operand,
9224         hard_addr_reg_operand, hard_reg_operand,
9225         m68hc11_eq_compare_operator, m68hc11_logical_operator,
9226         m68hc11_arith_operator, m68hc11_non_shift_operator,
9227         m68hc11_shift_operator, m68hc11_unary_operator): Move to
9228         predicates.md.
9229         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
9230         * config/m68hc11/m68hc11.md: Include predicates.md.
9231         * config/m68hc11/predicates.md: New.
9232
9233 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9234
9235         PR debug/19345
9236         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
9237         change checked in along with 2005-03-03's patch for debug/20253.
9238         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
9239         (remap_decl): Insert type decl in map earlier.
9240
9241 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9242
9243         PR tree-optimization/20640
9244         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
9245         post-dominator if it has phi nodes.
9246         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
9247         before dead statements.
9248
9249 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9250
9251         PR middle-end/20491
9252         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
9253
9254 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9255
9256         PR rtl-optimization/20290
9257         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
9258         in every iteration if the entry point is the exit test.
9259
9260 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
9261
9262         * config/cris/cris.md (attribute "length"): Define.
9263
9264 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
9265
9266         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
9267         (word_offset_memref_operand): New.
9268         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
9269         (indexed_or_indirect_operand): Delete.
9270         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
9271         (indexed_or_indirect_operand): Delete.
9272
9273         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
9274
9275         PR 20650
9276         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
9277         a register.
9278
9279         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
9280         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
9281
9282 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9283
9284         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
9285
9286 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9287
9288         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
9289         (rus, prus): Remove static variables.
9290         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
9291         (process_command): Permit report_times and use_pipes together.
9292
9293 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9294
9295         * c-decl.c (validate_proto_after_old_defn): Look at
9296         TYPE_MAIN_VARIANT of argument types.
9297
9298 2005-04-01  Paul Brook  <paul@codesourcery.com>
9299
9300         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
9301         (arm_output_function_epilogue): Allow call_via_SP.
9302         (thumb_call_via_reg, arm_file_end): Ditto.
9303         * config/arm/arm.h (struct machine_function): Include space for SP.
9304         (thumb_call_via_label): Update declaration.
9305
9306 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9307
9308         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
9309         doing a peephole optimization, once again put any notes in the
9310         proper position.
9311
9312 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9313
9314         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
9315
9316 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9317
9318         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
9319         (block_alloc, find_free_reg): Likewise.
9320         * loop-doloop.c (doloop_modify): Likewise.
9321         * loop-invariant.c (record_use): Likewise.
9322         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
9323         get_iv_value, canon_condition, eliminate_implied_condition,
9324         eliminate_implied_condition, simplify_using_initial_values,
9325         shorten_into_mode, canonicalize_iv_subregs,
9326         iv_number_of_iterations): Likewise.
9327         * loop-unroll.c (expand_var_during_unrolling): Likewise.
9328         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
9329         unswitch_loop): Likewise.
9330         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
9331         move_movables, replace_call_address, find_and_verify_loops,
9332         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
9333         record_giv, final_giv_value, general_induction_var,
9334         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
9335         loop_giv_dump): Likewise.
9336
9337         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
9338         GCOV_CHECK_WRITING): Remove.
9339         (gcov_position, gcov_rewrite): Use gcc_assert.
9340         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
9341         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
9342         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
9343         gcc_assert.
9344
9345 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9346
9347         * tree-inline.c: Fix a typo.
9348
9349 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9350
9351         * configure.ac (enable-checking): Explicitly set all variables for
9352         collective switch values.  Alphabetize variables. Rename
9353         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
9354         synonym for 'no'.
9355         * doc/install.texi (enable-checking): Update documentation.
9356         * configure: Rebuilt.
9357
9358 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9359
9360         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
9361         possible.
9362
9363 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9364
9365         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
9366         Also reject cases where this pattern will cause load delay stalls
9367         unless optimizing for size and it will produce a shorter sequence.
9368         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
9369         variants to avoid pre-adjusting the base when possible.
9370
9371 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9372
9373         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
9374         the frame and argument pointers.
9375         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
9376         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
9377         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
9378         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
9379         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
9380         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
9381
9382 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
9383
9384         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
9385         with entry for selectany attribute.
9386         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
9387         Declare.
9388         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
9389         (i386_pe_asm_named_section): Handle sections generated by
9390         selectany attribute.
9391         * doc/extend.texi (selectany): Document attribute.
9392
9393 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
9394             Jan Hubicka  <jh@suse.cz>
9395
9396         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
9397         to fix addresses involving EBP and ESP.
9398         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
9399         for SUBREGed registers.
9400         (legitimate_address_p): Accept SUBREGed registers.
9401
9402 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
9403
9404         PR c++/19406
9405         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
9406         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
9407         for FIELD_DECLs.
9408
9409 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9410
9411         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
9412
9413 2005-04-01  James E Wilson  <wilson@specifixinc.com>
9414
9415         PR c++/20505
9416         * dwarf2out.c (rtl_for_decl_init): New function.
9417         (rtl_for_decl_location): Extracted from here.
9418         (tree_add_const_value_attribute): Call rtl_for_decl_init and
9419         add_const_value_attribute.  Delete initializer_constant_valid_p call.
9420
9421 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9422
9423         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
9424         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
9425         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
9426         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
9427         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
9428         config/i386/i386.md, config/rs6000/predicates.md,
9429         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
9430         config/s390/s390.c, config/stormy16/stormy16.c,
9431         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
9432         typos.
9433
9434 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9435
9436         PR c/17855
9437         * gimplify.c (gimplify_expr): Create a temporary for lvalue
9438         COND_EXPR and CALL_EXPR.
9439
9440 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9441
9442         PR target/20632
9443         * genautomata.c (first_cycle_unit_presence): Check all alternative
9444         states for unit presence.
9445
9446         * doc/md.texi: Remove remark about impossibility to query unit
9447         presence in non nondeterministic automaton state.
9448
9449         * config/ia64/ia64.c (get_template): Change order of unit querying.
9450
9451 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9452
9453         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
9454         obsolete comment.
9455
9456 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
9457
9458         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
9459         flag for edges outside any loops.
9460
9461 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
9462
9463         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
9464
9465 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9466
9467         * tree-ssa-alias.c: Follow spelling conventions.
9468         * doc/tree-ssa.texi: Fix a typo.
9469
9470 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
9471
9472         * postreload-gcse.c: Include target.h.
9473         (gcse_after_reload_main): Return early if we cannot modify jumps.
9474         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
9475
9476 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
9477
9478         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
9479         expensive operations.
9480
9481 2005-03-31  Ian Lance Taylor  <ian@airs.com>
9482
9483         * collect2.c (lderrout): New variable.
9484         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
9485         if it is set, to stderr.
9486         (handler): Unlink lderrout if it is set.
9487         (dump_file): Add "to" parameter.  Change all callers.
9488         (main): Initialize lderrout.
9489         (collect_execute): Add errname parameter.  Change all callers.
9490         Rename redir parameter to outname.  Never pass
9491         PEX_STDERR_TO_STDOUT to pex_run.
9492         * collect2.h (collect_execute, dump_file): Update declarations.
9493         * tlink.c (tlink_execute): Add errname parameter.  Change all
9494         callers.
9495         (do_tlink): Check lderrout as well as ldout.
9496
9497 2005-03-31  Caroline Tice  <ctice@apple.com>
9498
9499         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
9500         (bb-reorder.o): Add errors.h to list of requirements.
9501         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
9502         profiledbootstrap flags.
9503         * bb-reorder.c (errors.h): Add new include.
9504         (struct bbro_basic_block_data_def): Add new field, in_trace.
9505         (add_unlikely_executed_notes):  Remove function.
9506         (mark_bb_for_unlikely_executed_section): Remove function.
9507         (insert_section_boundary_note): New function.
9508         (verify_hot_cold_block_grouping): New function.
9509         (push_to_next_round_p): Remove variables and tests that push all
9510         cold blocks to last round.
9511         (find_traces): Remove code that added extra round of trace finding
9512         when doing partitioning.
9513         (find_traces_1_round) :  Remove variable last_round;  add code to
9514         update new struct field, in_trace; correct trace_length where it was
9515         incorrect before (after call to copy_bb); change code that pushed all
9516         cold blocks to last round. Instead verify that all blocks going into
9517         a trace belong in the same partition.
9518         (connect_traces): Modify to connect the traces in two passes, if the
9519         function contains both hot and cold blocks.  The first pass connects
9520         all the traces for blocks in the partition that the first block in
9521         the function belongs to; the second pass connnects all the traces
9522         containing blocks that belong in the other partition.
9523         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
9524         code that automatically put the first block in a function into the
9525         hot partition if the function had any hot blocks.
9526         (fix_crossing_unconditional_branches): Check number of succ edges
9527         before attempting to get one.
9528         (fix_edges_for_rarely_executed_code):  Update comment describing
9529         function.
9530         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
9531         remove call to add_unlikely_executed_notes; add call to
9532         verify_hot_cold_block_grouping.
9533         (duplicate_computed_gotos): Don't change computed goto if it's a
9534         crossing edge.
9535         (partition_hot_cold_basic_blocks):  Update function comment.
9536         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
9537         condition.
9538         (try_forward_edges): Likewise.
9539         (merge_blocks_move_predecessor_nojumps): Likewise.
9540         (merge_blocks_move_successor_nojumps): Likewise.
9541         (merge_blocks_move): Likewise.
9542         (try_crossjump_bb): Likewise.
9543         * cfglayout.c (update_unlikely_executed_notes): Remove function.
9544         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
9545         notes to cold bb's; remove call to update_unlikely_executed_notes.
9546         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
9547         NOTE_INSN_SWITCH_TEXT_SECTIONS.
9548         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
9549         function declaration.
9550         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
9551         from consideration.
9552         (rtl_can_merge_blocks): Remove redundancy from condition.
9553         (try_redirect_by_replacing_jump): Likewise.
9554         (force_nonfallthru_and_redirect): Remove code for adding
9555         UNLIKELY_EXECUTED_CODE notes to cold bb's.
9556         (commit_one_edge_insertion): Likewise.
9557         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
9558         * dbxout.c (FORCE_TEXT): Replace function_section with
9559         current_function_section.
9560         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
9561         function, switch_text_section.
9562         (struct xcoff_debug): Likewise.
9563         (dbxout_function_end): Add code to put out label diffs for both
9564         hot and cold sections.
9565         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
9566         for new debug_hooks funciton, switch_text_section..
9567         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
9568         switch_text_section.
9569         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
9570         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
9571         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
9572         dw_fde_switched_sections.
9573         (output_call_frame_info):  Add test to see if function switches text
9574         sections in the middle; if so, use appropriate extra hot and cold
9575         section labels to compute size deltas for the hot and cold sections.
9576         (dwarf2out_begin_prologue): Add code to initialize new fields in
9577         dw_fde_struct.
9578         (dwarf2out_switch_text_section): New function (invoked through
9579         debug_hook); updates new fields in dw_fde_struct appropriately and
9580         increments separate_line_info_table_in_use.
9581         (dwarf2_debug_hooks): Initialize switch_text_section function to be
9582         dwarf2out_switch_text_section.
9583         (struct var_loc_node): Add new field, section_label.
9584         (output_aranges): Add code to check whether in hot or cold section and
9585         use the appropriate label in calculating deltas.
9586         (output_ranges): Likewise.
9587         (output_line_info): Add code to check which section we're in and
9588         use appropriate hot/cold label.
9589         (add_location_or_constant_value_attribute): Likewise.
9590         (gen_subprogam_die): Modify arange attributes to use correct labels.
9591         (dwarf2out_begin_block): Change call to function_section into call to
9592         current_function_section.
9593         (dwarf2out_end_block): Likewise.
9594         (dwarf2out_source_line): Likewise.
9595         (dwarf2out_var_location): Add code to check whether in hot or cold
9596         section and use the appropriate label.
9597         * except.c (output_function_exception_table): Change call to
9598         function_section into call to current_function_section.
9599         * final.c (profile_function): Likewise.
9600         (scan_ahead_for_unlikely_executed_note): Remove function.
9601         (final_scan_insn):  Remove calls to
9602         scan_ahead_for_unlikely_executed_note, and related code for switching
9603         to cold section, except for the single time
9604         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
9605         debug_hooks->switch_text_sections; replace appropriate calls to
9606         function_section with calls to current_function_section.
9607         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
9608         test_bb to condition.
9609         (find_if_case_2): Likewise.
9610         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
9611         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
9612         * opts.c (decode_options): Change warning about hot/cold partitioning
9613         with exceptionss to inform (so as not to cause bootstrap failures);
9614         remove warning about partitioning with DWARF debug info.
9615         * output.h (current_function_section): Add new function decl.
9616         (insert_section_boundary_note): Likewise.
9617         (enum in_section): Move this declaration here from varasm.c.
9618         (unlikely_section_label): Likewise.
9619         (unlikely_text_section_name): Likewise.
9620         (last_text_section_name): New global variable.
9621         (last_text_section): Likewise.
9622         (hot_section_label): Likewise.
9623         (hot_section_end_label): Likewise.
9624         (cold_section_end_label): Likewise.
9625         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
9626         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
9627         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
9628         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
9629         insn from consideration.
9630         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
9631         switch_text_section.
9632         * varasm.c (basic-block.h): Add new include.
9633         (unlikely_section_label_printed): Remove global variable.
9634         (unlikely_section_label): Make global variable not be static any more.
9635         (unlikely_text_section_name): Likewise.
9636         (hot_section_end_label): New global variable (not static)
9637         (first_function_block_is_cold): Likewise.
9638         (hot_section_label): Likewise.
9639         (cold_section_end_label): Likewise..
9640         (last_text_section): New global variable, not static.
9641         (last_text_section_name): New global variable, not static.
9642         (initialize_cold_section_name): New function.
9643         (enum in_section): Move declaration to output.h.
9644         (text_section): Update last_text_section.
9645         (unlikely_text_section): Replace code to determine cold section name
9646         with call to initialize_cold_section_name; Add code to update
9647         last_text_section; remove code for printing out label.
9648         (named_section_real): Add code to update last_text_section and
9649         last_text_section_name as appropriate.
9650         (function_section): Change test for 'unlikely' to depend on
9651         first_function_block_is_cold (moved old test to
9652         current_function_section).
9653         (current_function_section): New function.
9654         (assemble_start_function): Move code that frees
9655         unlikely_text_section_name; initialize hot_section_end_label;
9656         print hot and cold section labels at the start of the function;
9657         set first_function_block_is_cold, if appropriate; initialize l
9658         ast_text_section; add call to insert_section_boundary_note.
9659         (assemble_end_function):  Add code to write out hot and cold section
9660         end labels.
9661         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
9662         switch_text_section.
9663         * config/darwin.c (machopic_select_section): Replace incorrect
9664         function in base_funs; update reloc for cold sections if necessary.
9665         * config/darwin.h (SECTION_FUNCTION):  Add code to update
9666         last_text_section if appropriate.
9667         (text_unlikely_section): Remove.
9668         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
9669         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
9670         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
9671         partitioning for this architecture.
9672
9673 2005-03-31  Olivier Hainque  <hainque@adacore.com>
9674
9675         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
9676         defined and non-zero.
9677
9678 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9679
9680         PR c++/18644
9681         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
9682         semantics.
9683
9684 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9685
9686         PR target/20611
9687         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
9688         label operand.  Remove (use (unspec..)).  Don't emit a label on
9689         the offset word.
9690         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
9691         generate inline label for load_toc_v4_PIC_1b.
9692         (rs6000_emit_load_toc_table): Likewise.
9693
9694 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9695
9696         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
9697         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
9698
9699 2005-03-29  Devang Patel  <dpatel@apple.com>
9700
9701         * tree-sra.c (decide_block_copy): Disable scalarization of
9702         sub-elements.
9703
9704 2005-03-30  Stuart Hastings  <stuart@apple.com>
9705             Dale Johannesen  <dalej@apple.com>
9706
9707         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
9708         * print-tree.c (print_node):  Add case STATEMENT_LIST.
9709
9710 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9711
9712         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
9713         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
9714         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
9715         is given with "powerpc64*" or "all", or when --with-cpu chooses
9716         a 64-bit cpu.
9717
9718 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
9719
9720         PR debug/20268
9721         * dwarf2out.c (add_high_low_attributes): New function, extracted from
9722         gen_lexical_block_die.
9723         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
9724
9725 2005-03-31  Jan Hubicka  <jh@suse.cz>
9726
9727         2004-11-02  Jan Hubicka  <jh@suse.cz>
9728
9729         * cgraph.c (cgraph_varpool_node_name): New function.
9730         (dump_cgraph_varpool_node): New function.
9731         (dump_varpool): New function.
9732         * cgraphunit.c (cgraph_optimize): Dump varpool.
9733
9734         2004-10-16  Jan Hubicka  <jh@suse.cz>
9735
9736         * cgraph.c (decide_is_variable_needed): New function.
9737         (cgraph_varpool_finalize_decl): Use it.
9738         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
9739         unit-at-a-time.
9740         * final.c (output_addr_const): Do not call mark_referenced.
9741         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
9742         always go via cgraph.
9743         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
9744         (check_global_declarations): Ifdef out code clearing DECL_RTL.
9745         * tree-optimize.c (execute_inline): Mark functions called.
9746         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
9747
9748         2004-10-11  Jan Hubicka  <jh@suse.cz>
9749
9750         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
9751         (cgraph_varpool_last_needed_node): New static variable.
9752         (enqueue_needed_varpool_node): Break out from ...; add items to the
9753         end of queue; update first pointers.
9754         (cgraph_varpool_mark_needed_node): ... here.
9755         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
9756         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
9757         * cgraph.h (cgraph_varpool_node): Add analyzed field.
9758         (cgraph_varpool_first_unanalyzed_node): Declare.
9759         * cgraphunit.c: Include output.h.
9760         (cgraph_varpool_analyze_pending_decls): New function.
9761         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
9762         for errors, analyze pending decls.
9763         (cgraph_finalize_compilation_unit): Only analyze decls.
9764         (cgraph_optimize): Assemble the decls after expanding.
9765
9766 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
9767
9768         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
9769         subvars get marked properly in tags for grouping.
9770         (add_pointed_to_var): Mark only actual pointed to
9771         variables/subvars in addresses needed.
9772         (create_overlap_variables_for): Clear call clobbered on original
9773         variable.
9774         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
9775         addresable vars with subvars into list.
9776         * tree-ssa.c (verify_ssa_name): Verify original is not used where
9777         subvar should be.
9778
9779 2005-03-30  Richard Henderson  <rth@redhat.com>
9780
9781         * cgraph.h (struct cgraph_node): Add alias.
9782         * varasm.c (assemble_alias): Set it.
9783         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
9784         avoid calling cgraph_expand_function.
9785
9786 2005-03-30  Tom Tromey  <tromey@redhat.com>
9787
9788         * tree.def (FILE_TYPE): Removed.
9789         * typeclass.h (enum type_class): Removed file_type_class.
9790         * dwarf2out.c (is_base_type): Updated.
9791         (gen_type_die): Likewise.
9792         * dbxout.c (dbxout_type): Updated.
9793         * builtins.c (type_to_class): Updated.
9794         * tree.c (type_contains_placeholder_1): Updated.
9795         * config/sparc/sparc.c (sparc_type_code): Updated.
9796         * config/ia64/ia64.c (hfa_element_mode): Updated.
9797         * expr.c (count_type_elements): Updated.
9798         * stor-layout.c (layout_type): Updated.
9799         * tree-inline.c (remap_type): Updated.
9800         * tree-pretty-print.c (dump_generic_node): Updated.
9801
9802 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
9803
9804         * builtins.c (expand_builtin_powi): Fix mode of
9805         2nd argument to match int.
9806         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9807         2nd argument type to int.
9808         * libgcc2.c: Change prototype of __powi* functions to use
9809         int.
9810
9811 2005-03-30  Dale Johannesen  <dalej@apple.com>
9812
9813         PR middle-end/19225
9814         * calls.c (expand_call):  Flush pending deferrals before
9815         throwing call.
9816
9817 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9818
9819         PR c/772
9820         PR c/17913
9821         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9822         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9823         c_label_context, label_context_stack): New.
9824         * c-decl.c (define_label): Check for jumps into statement
9825         expressions.  Add label to list of defined labels.
9826         (start_function): Push context on label_context_stack.
9827         (finish_function): Pop context from label_context_stack.
9828         * c-typeck.c (label_context_stack): New.
9829         (c_finish_goto_label): Check for jumps into statement
9830         expressions.  Add label to list of jumped to labels.
9831         (struct c_switch): Add blocked_stmt_expr.
9832         (c_start_case): Initialize it.
9833         (do_case): Check it.
9834         (c_finish_case): Verify !blocked_stmt_expr.
9835         (c_begin_stmt_expr):  Push context on label_context_stack.
9836         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9837         as undefinable.
9838         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9839         defined in the statement expression and no longer jumpable to.
9840         Mark labels jumped to from just outside the statement expression
9841         as again definable.  Pop context from label_context_stack.
9842         * doc/extend.texi (Statement Exprs): Update.
9843
9844 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9845
9846         PR c/20368
9847         * c-decl.c (start_function): Check for old_decl being
9848         error_mark_node.
9849
9850 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9851
9852         * final.c (final): Remove prescan parameter.  Change all callers.
9853         (final_scan_insn): Remove prescan parameter.  Change all callers.
9854
9855 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9856
9857         * tree-vectorizer.c: Fix comment typos.
9858
9859 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9860
9861         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9862         as soon as a chrec_dont_know is detected.
9863
9864 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9865
9866         Merge from csl-arm-branch.
9867         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9868
9869         * tlink.c (recompile_files): Do not assume that "rename" can
9870         overwrite an existing file.
9871
9872 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9873
9874         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9875         * gcc/configure: Regenerate.
9876
9877 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9878
9879         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9880
9881         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9882
9883         * calls.c (struct arg_data): Update "partial" comment.
9884         (load_register_parameters): Update "nregs" comment.
9885
9886 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9887
9888         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9889         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9890         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9891         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9892         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9893         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9894         than target_flags & 0.
9895         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9896         (iq2000_arch, iq2000_parse_cpu): Delete.
9897         (TARGET_HANDLE_OPTION): Override default.
9898         (iq2000_handle_option): New function.
9899         (override_options): Remove -march= and -mcpu= handling.
9900         * config/iq2000/iq2000.opt: New file.
9901
9902 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9903
9904         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9905         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9906         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9907         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9908         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9909         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9910         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9911         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9912         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9913         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9914         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9915         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9916         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9917         (TARGET_OPTIONS): Delete.
9918         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9919         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9920         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9921         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9922         (c4x_cpu_version_string): Delete.
9923         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9924         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9925         equivalent -mcpu= option.
9926         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9927         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9928         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9929         or clearing the appropriate MASK_* bit.
9930         (c4x_file_start): Use c4x_cpu_version.
9931         * config/c4x/c4x.opt: New file.
9932
9933 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9934
9935         * doc/options.texi: Document the new MaskExists flag.
9936         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9937         if the option has the MaskExists flag.
9938
9939 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9940
9941         * opt-functions.awk (flag_set_p, test_flag): New functions.
9942         (switch_flags): Use them.
9943         * opth-gen.awk: Use flag_set_p to check for flags.
9944         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9945
9946 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9947
9948         * config.host (i[34567]86-*-mingw32*): Don't set
9949         host_can_use_collect2 to no.
9950
9951 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9952
9953         PR target/20203
9954         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9955         Remove convert_memory_address call duplicating that in memory_address.
9956
9957 2005-03-29  Richard Henderson  <rth@redhat.com>
9958
9959         PR c/20519
9960         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9961         (build_compound_literal): Likewise.  Propagate decl type into the
9962         initializer.
9963         (finish_decl): Likewise.  Use new return value from complete_array_type
9964         for zero sized arrays.
9965         (complete_array_type): Move ...
9966         * c-common.c (complete_array_type): ... here.  Change first argument
9967         to pointer-to-type-node.  Consistently use sizetype for the index
9968         except for zero sized arrays.  Detect zero sized arrays for pedantic
9969         mode diagnostics.  Create a new type node instead of modifying the
9970         old node in place.
9971         * c-tree.h (complete_array_type): Move decl ...
9972         * c-common.h (complete_array_type): ... here.
9973
9974 2005-03-29  Richard Henderson  <rth@redhat.com>
9975
9976         PR tree-opt/19108
9977         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9978
9979 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9980
9981         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9982         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9983         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9984         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9985
9986 2005-03-29  Eric Christopher  <echristo@redhat.com>
9987
9988         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9989         truthvalue conversion removal.
9990
9991 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9992
9993         PR bootstrap/14316
9994         * collect2.c: Never include <vfork.h>.
9995         (VFORK_STRING, vfork): Don't define.
9996         (pid): Remove global variable.
9997         (handler): Call raise instead of kill (getpid(), ...).
9998         (collect_wait): Add pex parameter.  Change all callers.  Use
9999         pex_get_status rather than pwait.
10000         (do_wait): Add pex parameter.  Change all callers.
10001         (collect_execute): Return struct pex_obj * rather than void.  Use
10002         pex routines rather than pexecute.
10003         (fork_execute): Get pex_obj from collect_execute, and pass it to
10004         do_wait.
10005         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
10006         Only declare quit_handler if SIGQUIT is defined.
10007         (scan_libraries): Likewise.
10008         * collect2.h (collect_execute): Update declaration.
10009         (collect_wait): Update declaration.
10010         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
10011         pass it to collect_wait.
10012
10013 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
10014
10015         PR c/20672
10016         * c-parser.c (c_parser_compound_statement_nostart): Give error
10017         message for EOF instead of just setting parser->error.
10018
10019 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
10020
10021         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
10022         (slpeel_update_phi_nodes_for_guard1): New function.
10023         (slpeel_update_phi_nodes_for_guard2): New function.
10024         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
10025         of slpeel_update_phi_nodes_for_guard.
10026         (vectorize_loops): Remove call to loop_closed_rewrite.
10027         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
10028         assertion.
10029
10030 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
10031
10032         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
10033         (TARGET_LITTLE_ENDIAN): New macro.
10034         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
10035         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
10036         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
10037         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
10038         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
10039         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
10040         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
10041         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
10042         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
10043         (TARGET_OPTIONS): Delete.
10044         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
10045         (CACHE_FLUSH_TRAP): Turn into an integer.
10046         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
10047         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
10048         -mflush-trap is in use.
10049         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
10050         (m32r_cache_flush_trap_string): Delete.
10051         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
10052         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
10053         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
10054         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10055         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
10056         -mmodel= and -msdata= handling from...
10057         (m32r_init): ...here.
10058         * config/m32r/m32r.opt: New file.
10059
10060 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
10061
10062         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
10063         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
10064         * tree-vect-analyze.c (vect_object_analysis): additional parm
10065         pass back a "struct ptr_info_def *" with the points-to info.
10066         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
10067         statement using info returned from vect_object_analysis.
10068         * tree-vect-transform.c (update_vuses_to_preheader): New function.
10069         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
10070         for virtual uses and defs when creating a replacement vector
10071         reference.  Call duplicate_ssa_name_ptr_info to define points-to
10072         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
10073         (vectorizable_store): copy_virtual_operands and update
10074         definition statements.
10075         (vectorizable_load): copy_virtual_operands.  Remove call to
10076         mark_call_clobbered_vars_to_rename for call to "const" builtin.
10077         * tree-vectorizer.c (vectorize_loops): Remove calls to
10078         rewrite_into_ssa and bitmap_clear (vars_to_rename).
10079         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
10080         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
10081         define macro STMT_VINFO_PTR_INFO for use in accessing.
10082         * tree.h add export of duplicate_ssa_name_ptr_info.
10083         * rs6000.c (altivec_init_builtins): Declare builtin function
10084         __builtin_altivec_mask_for_load to be "const".
10085
10086 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
10087
10088         PR middle-end/20622
10089         * cgraph.h (struct cgraph_varpool_node): Add alias field.
10090         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
10091         assemble_variable on aliases.
10092         * varasm.c (assemble_alias): Set node->alias.
10093         * toplev.c (wrapup_global_declarations): Don't call
10094         rest_of_decl_compilation on aliases again.
10095
10096 2005-03-29  Paul Brook  <paul@codesourcery.com>
10097
10098         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
10099         * config/arm/arm.c (arm_dbx_register_number): New function.
10100         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
10101
10102 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
10103
10104         PR middle-end/20263
10105         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
10106         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
10107
10108 2005-03-29  Dale Johannesen <dalej@apple.com>
10109
10110         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
10111         $(TREE_H) and $(COVERAGE_H).
10112         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
10113         * opts.c (common_handle_option): Enable tree-based value transforms.
10114         * toplev.c (process_options): Ditto.
10115         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
10116         refers to references to this type.
10117         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
10118         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
10119         for may_be_more, may_be_less.
10120         (rtl_gen_pow2_profiler): Adjust.
10121         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
10122         (rtl_gen_one_value_profiler): Adjust.
10123         (rtl_gen_const_delta_profiler): Adjust.
10124         * tree-profile.c (tree_gen_interval_profiler): Implement.
10125         (tree_gen_pow2_profiler): Ditto.
10126         (tree_gen_one_value_profiler): Ditto.
10127         (tree_profiling): New.
10128         (pass_tree_profile): Reference it.
10129         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
10130         tree.h, gcov-io.h.
10131         (insn_divmod_values_to_profile): Rename to
10132         rtl_divmod_values_to_profile. Adjust.
10133         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
10134         (insn_prefetch_values_to_profile): Adjust.
10135         (rtl_value_profile_transformations): Adjust.
10136         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
10137         (gen_mod_pow2): Rename to rtl_mod_pow2.
10138         (gen_mod_subtract): Rename to rtl_mod_subtract.
10139         (divmod_fixed_value_transform): Rename to
10140         rtl_divmod_fixed_value_transform.
10141         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
10142         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
10143         (rtl_find_values_to_profile): Adjust.
10144         (tree_value_profile_transformations): Implement.
10145         (tree_divmod_values_to_profile): New.
10146         (tree_values_to_profile): New.
10147         (tree_divmod_fixed_value): New.
10148         (tree_mod_pow2): New.
10149         (tree_mod_subtract): New.
10150         (tree_divmod_fixed_value_transform): New.
10151         (tree_mod_pow2_value_transform): New.
10152         (tree_mod_subtract_transform): New.
10153         (tree_find_values_to_profile): Implement.
10154         * profile.c (instrument_values):  Free histograms.
10155         (compute_value_histograms): Adjust. Implement tree version.
10156
10157 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
10158
10159         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
10160         * config/i386/i386.c (output_fix_trunc): Add new round_mode
10161         variable.  Output "fldcw" depending on round_mode.
10162         * config/i386/i386.md (UNSPEC_FIST): New.
10163         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
10164         New isns patterns to implement lrint and llrint built-ins as x87
10165         intrinsic function.
10166         (fistdi2, fist<mode>2 splitters): New splitters.
10167         (lrint<mode>2): New expanders.
10168
10169 2005-03-28  Ian Lance Taylor  <ian@airs.com>
10170
10171         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
10172         0 when calling final_scan_insn.
10173
10174 2005-03-28  Jan Hubicka  <jh@suse.cz>
10175
10176         PR middle-end/20635
10177         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
10178         as needed.
10179
10180         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
10181         types where possible.
10182
10183 2005-03-26  Per Bothner  <per@bothner.com>
10184
10185         Make -f[no-]show-column also control non-cpp diagnostics.
10186         * c.opt (fshow-column): Move option from here ...
10187         * common.opt (fshow-column): ... to here.
10188         * diagnostic.c (diagnostic_build_prefix): Only print column number
10189         if flag_show_column.
10190
10191 2005-03-27  Steven Bosscher  <stevenb@suse.de>
10192
10193         * vax-protos.h (vax_output_int_move, vax_output_int_add,
10194         vax_output_conditional_branch): New prototypes.
10195         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
10196         extracted from vax.md mov and add patterns.
10197         (vax_output_conditional_branch): New function to output conditional
10198         branch instructions.
10199         * vax.md: Use mode macros for arithmetic and mov patterns.
10200         Use code macros for the jump patterns.
10201
10202 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10203
10204         * Makefile.in (libbackend.o): Depend on version files;
10205         add custom generation command.
10206
10207 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10208
10209         PR target/20636
10210         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
10211         sure that we have a REG before getting its REGNO.
10212
10213 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10214
10215         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
10216         * builtins.def (BUILT_IN_STRNDUP): New.
10217
10218 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
10219
10220         PR tree-optimization/20470
10221         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
10222         ABS(x-y).
10223
10224 2005-03-25  Mike Stump  <mrs@apple.com>
10225
10226         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
10227         sized objects.
10228
10229 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
10230
10231         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
10232         Use our own structure definitions.
10233
10234         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
10235         (fix_truncdfsi2): Allow registers or memory as destination.
10236         When TARGET_PPC_GFXOPT, generate simplified pattern.
10237         (fix_truncdfsi2_internal): Use define_insn_and_split.
10238         (fix_truncdfsi2_internal_gfxopt): New.
10239         (fctiwz): Don't confuse register allocation by giving it no choices.
10240         (stfiwx): New.
10241         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
10242         (EXTRA_MEMORY_CONSTRAINT): Likewise.
10243         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
10244         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
10245
10246 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10247
10248         * dominance.c (free_dominance_info): Speed up by freeing et
10249         data structures without maintaining other nodes.
10250         * et-forest.c (et_free_tree_force): New.
10251         * et-forest.h: Add a prototype for et_free_tree_force.
10252
10253         * tree.c (get_set_constructor_bits,
10254         get_set_constructor_bytes): Remove.
10255         * tree.h: Remove the corresponding prototypes.
10256
10257 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10258
10259         PR target/15491
10260         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
10261         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
10262         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
10263         PRE_DEC, NEG and NOT.
10264
10265 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10266
10267         * fold-const.c: Convert uses of fold (build (...)) to
10268         fold_buildN.
10269
10270 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
10271
10272         PR rtl-optimization/20249
10273         * cse.c (insert_regs): Do not record equivalence of registers in
10274         different modes.
10275
10276 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
10277
10278         * emit-rtl.c (reverse_comparison): Remove.
10279         * rtl.h: Remove the corresponding prototype.
10280
10281 2005-03-24  James E Wilson  <wilson@specifixinc.com>
10282
10283         * doc/install.texi (--enable-altivec): Delete docs.
10284
10285 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
10286
10287         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
10288         SFmode and DFmode before reload when
10289         flag_unsafe_math_optimizations not enabled.
10290
10291 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
10292
10293         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
10294
10295         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
10296         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
10297
10298 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
10299
10300         * configure.ac (enable-checking): Add 'runtime' option.
10301         * doc/install.texi (enable-checking): Document 'runtime' checking.
10302         * tsystem.h (gcc_assert, gcc_unreachable): Define.
10303         * config.in: Regenerated.
10304         * configure: Regenerated.
10305
10306 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
10307
10308         * optabs.h (enum optab_index): Remove OTI_llrint.
10309         (llrint_optab): Remove macro.
10310         * optabs.c (init_optabs): Remove llrint_optab initialization.
10311         * genopinit.c (optabs): Remove llrint_optab implementation.
10312         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
10313         using lrint_optab.
10314
10315 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
10316
10317         PR rtl-optimization/20532
10318         * simplify-rtx.c (simplify_binary_operation_1): Protect from
10319         overflow when adding coefficients for PLUS or MINUS.
10320         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
10321         two as multiplier.
10322
10323 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10324
10325         * langhooks.h (truthvalue_conversion): Remove.
10326         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
10327         LANG_HOOKS_TRUTHVALUE_CONVERSION.
10328         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
10329         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
10330         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
10331
10332 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
10333
10334         * params.def: Fix a typo.
10335         * config/mips/mips.c: Follow the spelling convensions.
10336         * doc/invoke.texi: Fix typos.
10337
10338 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
10339
10340         Fix PR tree-optimization/20601
10341
10342         * tree-ssa-pre.c (insert_aux): Add missing condition to
10343         constification.
10344
10345 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10346
10347         * final.c (final_scan_insn): Don't remove no-op instructions.
10348         * reload1.c (reload): Remove simple no-op instructions even when
10349         not optimizing.
10350
10351 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
10352
10353         PR tree-optimization/20501
10354         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
10355         reporting that peeling for alignment is applied moved to...
10356         * (vect_analyze_data_refs_alignment): Here.
10357
10358 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10359
10360         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
10361
10362 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10363
10364         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
10365         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
10366
10367 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
10368
10369         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
10370         imply that this is called once, independent of asms in code.
10371         Adjust to now being pased output and input lists.  Mention helper
10372         function decl_overlaps_hard_reg_set_p.
10373         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
10374         hook_tree_tree_identity and to take three trees, returning third.
10375         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
10376         prototype.
10377         * stmt.c: include hard-reg-set.h before tree.h.
10378         (decl_overlaps_hard_reg_set_p): New function, broken out from...
10379         (decl_conflicts_with_clobbers_p): Call
10380         decl_overlaps_hard_reg_set_p.
10381         (expand_asm_operands): Pass output and input lists in call to
10382         targetm.md_asm_clobbers.
10383         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
10384         hook_tree_tree_tree_tree_3rd_identity.
10385         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
10386         parameters.
10387         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
10388         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
10389         parameters, first two unused.
10390         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
10391         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
10392         in constraint letters and MOF is not mentioned as a asm-declared
10393         register in neither of the input and output lists.
10394
10395 2005-03-23  DJ Delorie  <dj@redhat.com>
10396
10397         * optabs.c (expand_binop): Make sure the first subword's result
10398         gets stored.
10399
10400 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10401
10402         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
10403         Call c_common_truthvalue_conversion rather than
10404         lang_hooks.truthvalue_conversion.
10405         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
10406         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
10407         c-typeck.c.
10408         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
10409         c_common_truthvalue_conversion.
10410         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
10411         c_parser_conditional_expression, c_parser_binary_expression): Call
10412         c_objc_common_truthvalue_conversion.
10413         * c-typeck.c (build_unary_op): Call
10414         c_objc_common_truthvalue_conversion.
10415         (build_conditional_expr): Do not call
10416         lang_hooks.truthvalue_conversion.
10417         (build_binary_op): Call c_common_truthvalue_conversion.
10418         (c_objc_common_truthvalue_conversion): Moved from
10419         c-objc-common.c.  Call default_function_array_conversion instead
10420         of default_conversion.
10421
10422 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10423
10424         * c-common.h (default_conversion): Remove.
10425         (perform_integral_promotions): Add.
10426         * c-tree.h (default_conversion): Add.
10427         * c-typeck.c (perform_integral_promotions): New, split out from
10428         default_conversion.
10429         * c-common.c (check_case_value): Use perform_integral_promotions,
10430         not default_conversion.
10431         (c_add_case_label): Don't continue processing case label after
10432         found to be pointer.
10433
10434 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
10435
10436         * gcc.c (do_spec_1): Do not add a -L path for a directory in
10437         the prefix list if we have already added a multilib directory
10438         based on that path.
10439         (main): Do not add MD_EXEC_PREFIX to the list of directories to
10440         search with -L.
10441
10442 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10443
10444         * reload1.c (indirect_symref_ok, reload_obstack): Make them
10445         static.
10446         * reload.h: Remove the prototype for indirect_symref_ok.
10447
10448         * reload1.c (indirect_symref_ok): Make it global.
10449         * reload.h: Add a prototype for indirect_symref_ok.
10450
10451 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10452
10453         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
10454         ashlhi3 expander.
10455
10456 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10457
10458         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
10459
10460 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
10461
10462         * c-opts.c (c_common_parse_file): Only start/end main source file
10463         if debug hooks says the writer wants it.
10464         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
10465         member.
10466         (xcoff_debug_hooks): Ditto.
10467         * debug.c (do_nothing_hooks): Ditto.
10468         * debug.h (gcc_debug_hooks): Ditto.
10469         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
10470         * sdbout.c (sdb_debug_hooks): Ditto.
10471         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
10472
10473 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
10474
10475         * doc/extend.texi: Deprecate C++ min/max operators.
10476
10477 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
10478
10479         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
10480         artificial original candidates.
10481
10482 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
10483             Jan Hubicka  <jh@suse.cz>
10484             Steven Bosscher <stevenb@suse.de>
10485
10486         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
10487         call cost based on argument sizes.
10488         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
10489         inlining.
10490         * params.def: (max-inline-inssn-single): Set to 450.
10491         (max-inline-insns-auto): Set to 90.
10492         (max-inline-insns-recursive): Set to 450
10493         (max-inline-insns-recursive-auto): Set to 450.
10494         (large-function-insns): Set to 2700.
10495         (inline-call-cost): New parameter.
10496         * tree-inline.c (estimate_move_cost): New function.
10497         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
10498         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
10499         based on arguments.
10500         * tree-inline.h (estimate_move_cost): Declare.
10501         * invoke.texi: (max-inline-inssn-single): Change default to 450.
10502         (max-inline-insns-auto): Change default to 90.
10503         (max-inline-insns-recursive): Change default to 450
10504         (max-inline-insns-recursive-auto): Change default to 450.
10505         (large-function-insns): Change default to 2700.
10506         (inline-call-cost): Document new parameter.
10507
10508 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10509
10510         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
10511         (TARGET_DEFAULT): Delete.
10512         * config/i860/i860.opt: New file.
10513
10514 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10515
10516         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
10517         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10518         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10519         (frv_sched_lookahead): Delete.
10520         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
10521         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
10522         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
10523         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
10524         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
10525         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
10526         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
10527         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
10528         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
10529         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
10530         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
10531         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
10532         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
10533         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
10534         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
10535         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
10536         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
10537         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
10538         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
10539         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
10540         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
10541         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
10542         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
10543         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10544         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10545         (frv_sched_lookahead): Delete.
10546         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
10547         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10548         (frv_handle_option): New function.  Move -mcpu= handling from...
10549         (frv_override_options): ...here.  Remove handling of other
10550         TARGET_OPTIONS.
10551         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
10552         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
10553         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
10554         and TARGET_NO_MULTI_CE.
10555         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
10556         !TARGET_VLIW_BRANCH.
10557         * config/frv/frv.opt: New file.
10558
10559 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10560
10561         * fold-const.c (fold_ternary): Take decomposed arguments of
10562         CALL_EXPR.
10563         (fold): Update a call to fold_ternary.
10564
10565         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
10566         * tree.h: Add corresponding prototypes.
10567
10568 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
10569
10570         PR target/20561
10571         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
10572         between jump table and its label.
10573         * final.c (shorten_branches): Handle notes in between ADDR_VEC
10574         resp. ADDR_DIFF_VEC and the label preceeding it.
10575         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
10576         is emitted in the right section.
10577
10578 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10579
10580         * fold-const.c (fold_unary, fold_binary): Update comments
10581         about arguments.
10582
10583 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
10584
10585         PR rtl-optimization/20527
10586         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
10587         REG_INC note, test that the register also isn't mentioned in PRED
10588         or SUCC.
10589
10590 2005-03-22  Ben Elliston  <bje@au.ibm.com>
10591
10592         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
10593         and definition.
10594
10595 2005-03-21  Mike Stump  <mrs@apple.com>
10596
10597         * varasm.c (default_assemble_visibility): Remove extra ().
10598
10599 2005-03-21  Roger Sayle  <roger@eyesopen.com>
10600
10601         PR middle-end/20557
10602         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
10603         to determine whether a block can be duplicated, rather than test
10604         whether the block contains noncopyable insns ourselves.
10605
10606 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10607
10608         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
10609         predicates.
10610
10611 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10612
10613         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
10614
10615 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10616
10617         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
10618         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
10619         * config/fr30/fr30.opt: New file.
10620
10621 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
10622
10623         Fix PR tree-optimization/20542
10624
10625         * tree-flow-inline.h (overlap_subvar): Move to here.
10626         * tree-ssa-operands.c: From here.
10627         * tree-flow.h (overlap_subvar): Declare.
10628         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
10629         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
10630         for variables with subvars.
10631
10632 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
10633
10634         PR middle-end/20177
10635         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
10636         * modulo-sched.c (const_iteration_count): Return on NULL
10637         pre-header.
10638         (print_node_sched_params): Return on NULL dump_file.
10639         (generate_reg_moves): Handle reg-anti dependencies and disregard
10640         closing branch when generating register moves.
10641         (sms_schedule): Mark the SMSed block dirty.
10642         * passes.c (rest_of_handle_sms): Call update_life_info for all
10643         basic-blocks.
10644         * testsuite/gcc.dg/20050321-1.c: New test.
10645
10646 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
10647
10648         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
10649         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
10650         movqi_internal): Likewise.
10651
10652 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
10653
10654         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
10655         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
10656         xtensa_b4const): Delete prototypes.
10657         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
10658         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
10659         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
10660         xtensa_extra_constraint): New prototypes.
10661         (add_operand, arith_operand, nonimmed_operand, mem_operand,
10662         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
10663         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
10664         move_operand, const_float_1_operand, fpmem_offset_operand,
10665         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
10666         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
10667         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
10668         argument type to HOST_WIDE_INT.
10669         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
10670         xtensa_mask_immediate): Likewise.
10671         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
10672         Likewise.  Also make these functions static.
10673         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
10674         (xtensa_const_ok_for_letter_p): New.
10675         (add_operand, arith_operand, nonimmed_operand, mem_operand,
10676         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
10677         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
10678         move_operand, const_float_1_operand, fpmem_offset_operand,
10679         branch_operator, ubranch_operator, boolean_operator): Move to
10680         predicates.md.
10681         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
10682         (xtensa_mem_offset): Change return type to bool.
10683         (xtensa_extra_constraint): New.
10684         (gen_int_relational): Update type of const_range_p function pointer.
10685         Use xtensa_b4const_or_zero.
10686         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
10687         xtensa_const_ok_for_letter_p.  Update comments.
10688         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
10689         (PREDICATE_CODES): Delete.
10690         * config/xtensa/xtensa.md: Include predicates.md.
10691         * config/xtensa/predicates.md: New file.
10692
10693 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10694
10695         * config/v850/v850-protos.h: Remove the prototypes for
10696         reg_or_int9_operand, reg_or_const_operand,
10697         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
10698         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
10699         movsi_source_operand, power_of_two_operand,
10700         not_power_of_two_operand, special_symbolref_operand,
10701         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
10702         register_is_ok_for_epilogue.
10703         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
10704         reg_or_int9_operand, reg_or_const_operand,
10705         call_address_operand, special_symbolref_operand,
10706         movsi_source_operand, power_of_two_operand,
10707         not_power_of_two_operand, register_is_ok_for_epilogue,
10708         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
10709         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
10710         predicates.md.
10711         * config/v850/v850.h (PREDICATE_CODES): Remove.
10712         * config/v850/v850.md: Include predicates.md.
10713         * config/v850/predicates.md: New.
10714
10715 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
10716
10717         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
10718         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10719         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
10720         (itoolsdir, itoolsdatadir): Move definition above new first use.
10721         (install-itoolsdirs): New rule.
10722         (install-mkheaders): Depend on install-itoolsdirs, not
10723         install-include-dir.
10724
10725 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10726
10727         * tree-into-ssa.c: Remove obsolete comments.
10728
10729 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
10730
10731         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
10732         unrolling if -fpeel-loops is specified, too.
10733         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
10734         Remove superfluous check for flag_unroll_loops.
10735
10736 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
10737
10738         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
10739         (lrint_optab, llrint_optab): Define corresponding macros.
10740         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
10741         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
10742         pattern and llrint_optab using llrintdi2 patterns.
10743         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
10744         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
10745         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
10746         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
10747         flag_unsafe_math_optimizations is set.
10748
10749 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10750
10751         * combine.c (combine_simplify_rtx, simplify_if_then_else,
10752         simplify_logical, if_then_else_cond, known_cond,
10753         simplify_comparison): Adjust calls to reverse_comparison.
10754         Don't use combine_reversed_comparison_code).
10755         (combine_reversed_comparison_code): Remove.
10756         (reversed_comparison): Using reversed_comparison_code, move it...
10757         * jump.c (reversed_comparison): ... here.
10758         * rtl.h (reversed_comparison): Add prototype.
10759
10760 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10761
10762         * builtins.c (fold_builtin): Take decomposed arguments of
10763         CALL_EXPR.
10764         * fold-const.c (fold_ternary): Update a call to fold_builtin.
10765         * gimplify.c (gimplify_call_expr): Likewise.
10766         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
10767         * tree.h: Update the prototype of fold_builtin.
10768
10769 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10770
10771         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
10772         * rtlhooks.c (gen_lowpart_no_emit_general): New.
10773         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
10774         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
10775         * simplify-rtx.c (simplify_binary_operation_1): Use it.
10776
10777 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10778
10779         * builtins.c (fold_builtin_1): Take decomposed arguments of
10780         CALL_EXPR.
10781         (fold_builtin): Update a call to fold_builtin_1.
10782
10783 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
10784
10785         PR other/20564
10786         * gcov.c (output_lines): Only output function block summary when
10787         outputting branch information.
10788         * doc/gcov.texi: Document format of preamble and additional block
10789         information lines.
10790
10791 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10792
10793         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
10794         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
10795         the defaults false if BITS_PER_UNIT != 8.
10796         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
10797         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
10798         than BITS_PER_UNIT != 8.
10799         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10800         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
10801         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
10802         #undefs.
10803         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
10804         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10805
10806 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10807
10808         PR middle-end/20539
10809         * fold-const.c (fold_binary): Fix type mismatch between
10810         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10811         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10812         for non-truth-valued expressions.
10813
10814         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10815         and FUNCTION_DECL in the main switch.
10816         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10817         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10818         we also need to convert their operands to match.
10819         <TRUTH_NOT_EXPR>: Likewise.
10820
10821 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10822
10823         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10824         diagnostic without checking whether an lvalue.
10825         * c-common.h (lvalue_p): Remove.
10826         (enum lvalue_use): Update comment.
10827         (lvalue_or_else): Replace by lvalue_error.
10828         * c-typeck.c (lvalue_p): Make static.
10829         (lvalue_or_else): New.  Call lvalue_error.
10830
10831 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10832
10833         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10834         (function_arg_advance): Use rs6000_parm_start.
10835         (function_arg, rs6000_arg_partial_bytes): Likewise.
10836
10837 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10838
10839         * c-common.c (check_case_value): Adjust comment about stripping
10840         NOPs.
10841         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10842         * c-typeck.c (default_conversion, convert_arguments,
10843         build_modify_expr, convert_for_assignment, store_init_value,
10844         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10845         manually.  Remove inaccurate comments.
10846
10847 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10848             Joseph S. Myers  <joseph@codesourcery.com>
10849
10850         * varasm.c (do_assemble_alias): Restore comment describing function.
10851         Annotate the target parameter as potentially unused.
10852
10853 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10854
10855         PR target/18551
10856         * config/avr/avr.c (avr_output_function_prologue): Do not use
10857         current_function_name() in a label, use a local label instead.
10858
10859 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10860
10861         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10862         flag_finite_math_only, not flag_unsafe_math_optimizations.
10863
10864 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10865
10866         * builtins.c (fold_builtin_1): Update a call to
10867         targetm.fold_builtin.
10868         * hooks.c (hook_tree_tree_bool_null): Rename to
10869         hook_tree_tree_tree_bool_null.  Take one more argument of type
10870         tree.
10871         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10872         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10873         hook_tree_tree_tree_bool_null.
10874         * target.h (gcc_target): Update the prototype of fold_builtin.
10875         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10876         arguments of CALL_EXPR.
10877         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10878         new prototype.
10879
10880 2005-03-20  Jan Hubicka  <jh@suse.cz>
10881
10882         * cgraph.h (cgraph_node): Add prev_clone pointer.
10883         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10884         (cgraph_clone_node): Produce doubly linked chain.
10885
10886 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10887
10888         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10889         get_nonnull_operand, handle_sentinel_attribute,
10890         check_function_arguments_recurse): Do not strip NOPS from
10891         INTEGER_CSTs.
10892         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10893         Likewise.
10894         * c-format.c (get_constant): Likewise.
10895         * c-parser.c (c_parser_postfix_expression): Likewise.
10896         * c-typeck.c (set_init_index): Likewise.
10897         (convert_arguments): Don't check for NOP_EXPR containing integer
10898         constant.
10899
10900 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10901
10902         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10903         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10904         Take decomposed arguments of CALL_EXPR.
10905         (fold_builtin_1): Update calls to the functions mentioned
10906         above.
10907
10908 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10909
10910         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10911         width to have integer type.
10912         (build_enumerator): Require enumerator value to have integer type.
10913
10914 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10915
10916         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10917         to __builtin_inff.
10918
10919 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10920
10921         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10922         std=iso9899:199x): Correct descriptions.
10923
10924 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10925
10926         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10927         solaris2.1[0-9].
10928
10929 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10930
10931         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10932         of CALL_EXPR.
10933         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10934         fold_builtin_memcpy.
10935
10936         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10937         arguments of CALL_EXPR.
10938         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10939         fold_builtin_found, fold_builtin_1): Update calls to
10940         fold_trunc_transparent_mathfn.
10941
10942 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10943
10944         PR middle-end/20493
10945         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10946         function pointers on targets that require function pointer
10947         canonicalization.
10948         (fold_sign_changed_comparison): Likewise.
10949
10950 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10951
10952         * combine.c (try_combine): When changing the mode of a hard reg, make
10953         sure that doing so is valid.
10954
10955 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10956
10957         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10958         (TARGET_HANDLE_OPTION): Override default.
10959         (avr_handle_option): New function.
10960         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10961         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10962         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10963         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10964         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10965         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10966         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10967         (TARGET_OPTIONS): Delete.
10968         * config/avr/avr.opt: New file.
10969
10970 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10971
10972         * config/m32r/m32r-protos.h: Remove the prototypes for
10973         call_address_operand, symbolic_operand, seth_add3_operand,
10974         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10975         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10976         two_insn_const_operand, move_src_operand,
10977         move_double_src_operand, move_dest_operand,
10978         eqne_comparison_operator, signed_comparison_operator,
10979         large_insn_p, conditional_move_operand, carry_compare_operand,
10980         m32r_block_immediate_operand, extend_operand,
10981         reg_or_eq_int16_operand, int8_operand, and
10982         reg_or_zero_operand.
10983         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10984         seth_add3_operand, int8_operand, cmp_int16_operand,
10985         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10986         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10987         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10988         move_double_src_operand, move_dest_operand,
10989         eqne_comparison_operator, signed_comparison_operator,
10990         extend_operand, small_insn_p, large_insn_p,
10991         conditional_move_operand, carry_compare_operand,
10992         m32r_block_immediate_operand): Move to predicates.md.
10993         (MAX_MOVE_BYTES): Move to m32r.h.
10994         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10995         * config/m32r/m32r.md: Include predicates.md.
10996         * config/m32r/predicates.md: New.
10997
10998 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10999
11000         PR c++/19769
11001         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
11002         origin.
11003
11004 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11005
11006         * config/mn10300/mn10300-protos.h: Remove the prototypes for
11007         call_address_operand, const_8bit_operand.
11008         * config/mn10300/mn10300.c (call_address_operand,
11009         const_8bit_operand, const_1f_operand): Move to predicates.md.
11010         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
11011         * config/mn10300/mn10300.md: Include predicates.md.
11012         * config/mn10300/predicates.md: New.
11013
11014 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
11015
11016         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
11017         declarations in diagnostics and %E for identifiers, not %s.
11018
11019 2005-03-18  Jan Hubicka  <jh@suse.cz>
11020             Dale Johannesen  <dalej@apple.com>
11021
11022         * basic-block.h (scale_bbs_frequencies_int,
11023         scale_bbs_frequencies_gcov_type): Declare.
11024         * cfg.c (RDIV): New macro.
11025         (update_bb_frequency_for_threading): Fix.
11026         * basic-block.h (scale_bbs_frequencies_int,
11027         scale_bbs_frequencies_gcov_type): New.
11028         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
11029         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
11030         scale_bbs_frequencies_int.
11031         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
11032
11033 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11034
11035         * config/m32r/m32r-protos.h: Remove the prototypes for
11036         call_address_operand, symbolic_operand, seth_add3_operand,
11037         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
11038         reg_or_uint16_operand, reg_or_cmp_int16_operand,
11039         two_insn_const_operand, move_src_operand,
11040         move_double_src_operand, move_dest_operand,
11041         eqne_comparison_operator, signed_comparison_operator,
11042         large_insn_p, conditional_move_operand, carry_compare_operand,
11043         m32r_block_immediate_operand, extend_operand,
11044         reg_or_eq_int16_operand, int8_operand, and
11045         reg_or_zero_operand.
11046         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
11047         seth_add3_operand, int8_operand, cmp_int16_operand,
11048         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
11049         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
11050         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
11051         move_double_src_operand, move_dest_operand,
11052         eqne_comparison_operator, signed_comparison_operator,
11053         extend_operand, small_insn_p, large_insn_p,
11054         conditional_move_operand, carry_compare_operand,
11055         m32r_block_immediate_operand): Move to predicates.md.
11056         (MAX_MOVE_BYTES): Move to m32r.h.
11057         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
11058         * config/m32r/m32r.md: Include predicates.md.
11059         * config/m32r/predicates.md: New.
11060
11061         * config/pa/pa-protos.h: Add prototypes for magic_milli and
11062         shadd_constant_p.
11063         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
11064         symbolic_operand, symbolic_memory_operand,
11065         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
11066         indexed_memory_operand, move_dest_operand, move_src_operand,
11067         prefetch_cc_operand, prefetch_nocc_operand,
11068         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
11069         arith_operand, arith11_operand, pre_cint_operand,
11070         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
11071         ireg_operand, int5_operand, uint5_operand, int11_operand,
11072         uint32_operand, arith5_operand, and_operand, ior_operand,
11073         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
11074         pc_or_label_operand, div_operand, plus_xor_ior_operator,
11075         shadd_operand, movb_comparison_operator,
11076         cmpib_comparison_operator): Move to predicates.md.
11077         (magic_milli, shadd_constant_p): Make it extern.
11078         * config/pa/pa.h (PREDICATE_CODES): Remove.
11079         * config/pa/pa.md: Include predicates.md.
11080         * config/pa/predicates.md: New.
11081
11082         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
11083         predicate.
11084
11085 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11086
11087         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
11088         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
11089         config/alpha/freebsd.h, config/alpha/linux.h,
11090         config/alpha/netbsd.h, config/alpha/osf5.h,
11091         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
11092         config/h8300/h8300-protos.h, config/h8300/h8300.c,
11093         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
11094         doc/cppopts.texi: Update copyright.
11095
11096 2005-03-18  Jan Hubicka  <jh@suse.cz>
11097
11098         PR middle-end/20225
11099         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
11100         too late.
11101         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
11102         called too late.
11103
11104 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11105
11106         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
11107         VEC_safe_push.
11108
11109 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
11110
11111         * combine.c (gen_binary): Remove.
11112         (known_cond, simplify_shift_const, find_split_point,
11113         combine_simplify_rtx, simplify_if_then_else, simplify_set,
11114         simplify_logical, expand_field_assignment, extract_left_shift,
11115         force_to_mode, if_then_else_cond, apply_distributive_law,
11116         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
11117         simplify_comparison, reversed_comparison): Replace with
11118         simplify_gen_binary, simplify_gen_relational or
11119         distribute_and_simplify_rtx.
11120         (distribute_and_simplify_rtx): New function.
11121
11122 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
11123             Paolo Bonzini  <gcc.gnu.org>
11124
11125         * calls.c (setjmp_call_p, special_function_p): Update comments
11126         at the head of the functions.
11127
11128 2005-03-18  Jan Hubicka  <jh@suse.cz>
11129
11130         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
11131
11132         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
11133         function body should be released; do not proactively release function
11134         bodies in non-unit-at-a-time mode.
11135
11136 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
11137
11138         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
11139         mno-fp-ret-in-387 multilib variants.
11140
11141 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
11142
11143         * common.opt (m): Remove.
11144         * opts.c (handle_option): Pass 'm' options to set_target_switch if
11145         table lookup fails.
11146         (common_handle_option): Remove OPT_m case.
11147
11148 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11149
11150         * builtins.c (fold_builtin_bitop): Take decomposed arguments
11151         of CALL_EXPR.
11152         (fold_builtin_1): Update a call to fold_builtin_bitop.
11153
11154         * builtins.c (fold_builtin_signbit): Take decomposed arguments
11155         of CALL_EXPR.
11156         (fold_builtin_1): Update a call to fold_builtin_signbit.
11157
11158 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
11159
11160         PR tree-optimization/20474
11161         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
11162         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
11163
11164 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11165
11166         * config/h8300/h8300-protos.h: Remove prototypes for
11167         general_operand_src, general_operand_dst, single_one_operand,
11168         single_zero_operand, call_insn_operand,
11169         two_insn_adds_subs_operand, small_call_insn_operand,
11170         jump_address_operand, bit_operand, bit_memory_operand,
11171         stack_pointer_operand, const_int_gt_2_operand,
11172         const_int_ge_8_operand, const_int_qi_operand,
11173         const_int_hi_operand, incdec_operand, bit_operator,
11174         nshift_operator, eqne_operator, gtle_operator,
11175         gtuleu_operator, iorxor_operator.
11176         Add prototypes for h8sx_shift_type h8sx_classify_shift and
11177         h8300_ldm_stm_parallel.
11178         * config/h8300/h8300.c (h8sx_shift_type,): Move to
11179         h8300-protos.h.
11180         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
11181         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
11182         (h8300_ldm_stm_parallel): Make it extern.
11183         (h8300_ldm_parallel, h8300_stm_parallel,
11184         h8300_return_parallel, general_operand_src,
11185         general_operand_dst, h8300_dst_operand, h8300_src_operand,
11186         nibble_operand, reg_or_nibble_operand, single_one_operand,
11187         single_zero_operand, call_insn_operand,
11188         two_insn_adds_subs_operand, small_call_insn_operand,
11189         jump_address_operand, bit_operand, bit_memory_operand,
11190         stack_pointer_operand, const_int_gt_2_operand,
11191         const_int_ge_8_operand, const_int_qi_operand,
11192         const_int_hi_operand, incdec_operand, eqne_operator,
11193         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
11194         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
11195         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
11196         nshift_operator): Move to predicates.md.
11197         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
11198         * config/h8300/h8300.md: Include predicates.md.
11199         * config/h8300/predicates.md: New.
11200
11201 2005-03-17  Richard Henderson  <rth@redhat.com>
11202
11203         * config.gcc (ia64*-*-hpux*): Add extra_options.
11204         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
11205         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11206         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
11207         (ia64_tls_size_string, ia64_tune_string): Remove.
11208         (ia64_tune): Init to PROCESSOR_ITANIUM2.
11209         (TARGET_DEFAULT_TARGET_FLAGS): New.
11210         (TARGET_HANDLE_OPTION): New.
11211         (ia64_override_options): Move options parsing ...
11212         (ia64_handle_option): ... here.  New.
11213         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
11214         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
11215         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
11216         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
11217         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
11218         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
11219         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
11220         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
11221         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
11222         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
11223         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
11224         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
11225         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
11226         TARGET_EARLY_STOP_BITS): Remove.
11227         (TARGET_ILP32): Default false.
11228         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
11229         (enum ia64_inline_type): New.
11230         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11231         * config/ia64/ia64.md: Update for new definitions of
11232         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
11233         * config/ia64/ia64.opt: New file.
11234         * config/ia64/ilp32.opt: New file.
11235
11236 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11237
11238         PR target/18380
11239         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
11240
11241 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11242
11243         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
11244         instead of MASK_H8300S.
11245         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
11246         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
11247         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
11248         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
11249         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
11250         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
11251         TARGET_SWITCHES): Remove.
11252         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
11253         TARGET_H8300SX.
11254         * config/h8300/h8300.opt: New.
11255
11256         * config/alpha/alpha.opt, config/arc/arc.opt,
11257         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
11258         notices.
11259
11260 2005-03-17  Ian Lance Taylor  <ian@airs.com>
11261
11262         * gmon.c: Remove.
11263
11264 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
11265
11266         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
11267         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
11268         (TARGET_HANDLE_OPTION): Override default.
11269         (arc_handle_option): New function.
11270         (arc_init): Remove code to set arch_cpu_string.
11271         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
11272         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
11273         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
11274         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
11275         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
11276         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
11277         (arc_rodata_string, TARGET_OPTIONS): Delete.
11278         * config/arc/arc.opt: New file.
11279
11280 2005-03-17  Richard Henderson  <rth@redhat.com>
11281
11282         * doc/extend.texi (Weak Pragmas): New section.
11283         (attribute alias): Clarify that target must be in the same
11284         translation unit.
11285
11286 2005-03-17  Richard Henderson  <rth@redhat.com>
11287
11288         * config/alpha/alpha.opt: New file.
11289         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
11290         of alpha_cpu.
11291         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
11292         alpha_fprm_string, alpha_fptm_string): Make static.
11293         (alpha_tls_size_string): Remove.
11294         (alpha_handle_option): New.
11295         (override_options): Update for alpha_cpu/alpha_tune split.
11296         (alpha_file_start): Likewise.
11297         (TARGET_DEFAULT_TARGET_FLAGS): New.
11298         (TARGET_HANDLE_OPTION): New.
11299         * config/alpha/alpha.h (alpha_tune): Declare.
11300         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
11301         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
11302         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
11303         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
11304         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
11305         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
11306         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
11307         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
11308         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
11309         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
11310         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
11311         (TARGET_DEFAULT): Remove MASK_FP.
11312         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
11313         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
11314         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
11315         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
11316         alpha_tls_size_string): Remove.
11317         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
11318         (attribute tune): Rename from attribute cpu.
11319         * config/alpha/ev4.md: Update to match.
11320         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
11321         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
11322         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
11323         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
11324         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
11325         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
11326
11327 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
11328
11329         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
11330         and return without creating new state if before_nops_num is nonzero.
11331         * config/ia64/ia64.md (first_insn): New attribute.
11332         (alloc): Set it to yes.
11333
11334 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11335
11336         * tree-vectorizer.c (new_vec_stmt_info): Initialize
11337         STMT_VINFO_SUBVARS to NULL.
11338         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
11339
11340 2005-03-16 Dale Johannesen  <dalej@apple.com>
11341
11342         * rtlanal.c (find_first_parameter_load):  Rewrite to
11343         return actual first param load or the call if none,
11344         instead of first in block, when not all loads exist.
11345
11346 2005-03-16  Roger Sayle  <roger@eyesopen.com>
11347
11348         * optabs.c (expand_copysign_absneg): Make static.
11349         * optabs.h (expand_copysign_absneg): Delete prototype.
11350         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
11351
11352 2005-03-16  Richard Henderson  <rth@redhat.com>
11353
11354         PR middle-end/15700
11355         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
11356         (alias_pairs): Rename from output_defs.
11357         (find_decl_and_mark_needed): Split out from assemble_alias.
11358         (do_assemble_alias): New.
11359         (assemble_output_def): Remove.
11360         (finish_aliases_1, finish_aliases_2): New.
11361         (process_pending_assemble_output_defs): Remove.
11362         (assemble_alias): Defer aliases for which we don't yet have a
11363         non-external decl for the target symbol.
11364         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
11365         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
11366         * toplev.c (compile_file): Use finish_aliases_2 instead of
11367         process_pending_assemble_output_defs.
11368         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
11369         (process_pending_assemble_output_defs): Remove.
11370
11371 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11372
11373         Fix PR tree-optimization/20489
11374
11375         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
11376         for empty structures.
11377
11378 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11379
11380         Fix PR tree-optimization/20490
11381
11382         * tree-ssa-pre.c (create_expression_by_pieces): Use
11383         force_gimple_operand on result of fold.
11384
11385 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
11386
11387         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
11388         of closing parenthesis.
11389
11390 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
11391
11392         * builtins.c (expand_movstr): Update a call to
11393         fold_builtin_strcpy.
11394         (expand_builtin_strncpy): Update a call to
11395         fold_builtin_strncpy.
11396         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
11397         arguments of CALL_EXPR.
11398         (fold_builtin_1): Update calls to fold_builtin_strcpy and
11399         fold_builtin_strncpy.
11400         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11401         * tree.h: Update the prototypes of fold_builtin_strcpy and
11402         fold_builtin_strncpy.
11403
11404 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11405             Dorit Naishlos  <dorit@il.ibm.com>
11406
11407         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
11408         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
11409         error.
11410
11411 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11412
11413         * tree-inline.c (walk_type_fields, walk_tree,
11414         walk_tree_without_duplicates): Move from here...
11415         * tree.c: ...to here.
11416
11417 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
11418
11419         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
11420         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
11421         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
11422         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
11423         (version): Define using $(BASEVER_c).
11424         (Makefile, config.status, build/gcov-iov.o): No longer depends on
11425         version.c.
11426         (version.o): Depend on version files; add custom generation command.
11427         (prefix.o): Define BASEVER on command line.
11428         (s-iov): Depend on version files; adjust command.
11429         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
11430         Add gcc-vers.texi.
11431         (gcc-vers.texi): New rule.
11432         (doc/%.info, doc/%.dvi): Add -I . to command line.
11433         (doc/gccinstall.dvi): Likewise.
11434         (PACKAGE): Delete.  All uses replaced with "gcc".
11435         * aclocal.m4: Do not include gcc-version.m4.
11436         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
11437         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
11438         Set is_release based on contents of DEV-PHASE.
11439         Set gcc_version based on contents of BASE-VER.
11440         Define WIN32_REGISTRY_KEY only if the user overrode the default.
11441         * config.in, configure: Regenerate.
11442         * gccbug.in: Determine version of GCC in use at runtime.
11443         * gcov-iov.c: Get version number and development phase from
11444         command line, not by including version.c.
11445         * intl.c: Replace all uses of PACKAGE with "gcc".
11446         * libada-mk.in: Delete unused "gcc_version" variable.
11447         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
11448         * version.c: (VERSUFFIX): New hook for redistributors; adjust
11449         commentary to match.
11450         (version_string): Put together from pieces.
11451         * config/alpha/x-vms: Do not use $(gcc_version).
11452         * config/i386/t-nwld: Likewise.
11453         * doc/include/gcc-common.texi: Include gcc-vers.texi for
11454         version-GCC and DEVELOPMENT.
11455
11456 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11457
11458         PR tree-optimization/17454
11459         * tree.c (tree_size): Add case for TREE_BINFO.
11460         * fold-const.c (fold_checksum_tree): Only clear the overloaded
11461         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
11462
11463 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11464
11465         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
11466         op1 whilst expanding the signed widenening multiply variant.
11467
11468 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
11469
11470         * toplev.c (display_target_options): Avoid unused variable warning if
11471         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
11472         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
11473         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
11474         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
11475         (mips_isa_info): New variable.
11476         (mips_parse_cpu): Remove the first argument and leave the caller
11477         to report errors.
11478         (TARGET_HANDLE_OPTION): Override default.
11479         (mips_handle_option): New function.  Move option validation code from...
11480         (override_options): ...here.  Update calls to mips_parse_cpu.
11481         * config/mips/mips.h (mips_arch_string, mips_tune_string)
11482         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
11483         (SUBTARGET_TARGET_OPTIONS): Delete.
11484         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
11485         (mno-flush-func, mtune=): New options.
11486
11487 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11488             Richard Henderson  <rth@redhat.com>
11489
11490         * real.c (c4x_single_format, c4x_extended_format): Provide values
11491         for signbit_ro for c4x's single and extended floating point formats.
11492         * optabs.c (expand_copysign): Use the floating point format's
11493         signbit_ro for expanding via expand_copysign_absneg, and it's
11494         signbit_rw field for expanding via expand_copysign_bit.
11495
11496 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
11497
11498         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
11499         known_alignment_for_access_p.
11500         (known_alignment_for_access_p): New.
11501         (do_peeling_for_alignment): Field made int instead of bool and renamed
11502         to peeling_for_alignment.
11503         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
11504         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
11505         functionality used to be in vect_analyze_operations.
11506         (vect_analyze_operations): Code to determine vectorization factor was
11507         moved to vect_determine_vectorization_factor.
11508         (vect_enhance_data_refs_alignment): Update to correct alignment when it
11509         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
11510         factor.
11511         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
11512         be part of vect_analyze_operations).
11513         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
11514         creating the guard condition, as the number of iterations may be
11515         constant.
11516         (slpeel_tree_peel_loop_to_edge): Use new name of
11517         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
11518         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
11519         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
11520         (vect_do_peeling_for_alignment): Use fold.
11521         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
11522
11523         (vect_update_inits_of_dr): Renamed to
11524         vect_update_init_of_dr.
11525         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
11526         (vectorizable_store): Fix assertion to use == instead of =.
11527
11528 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
11529
11530         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
11531         call_used_regs for wCG registers.
11532
11533 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
11534
11535         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11536         for non-offsettable memory references to cope with outstanding reload
11537         replacements, take 2.
11538
11539 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
11540
11541         PR target/18668
11542         * config/i386/i386.h (x86_fisttp): New.
11543         (TARGET_FISTTP): New macro.
11544         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
11545         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
11546         instruction when fisttp flag is set.
11547         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
11548
11549         * config/i386/i386.md (type attribute): Add fisttp.
11550         (unit attribute): Set to i387 for fisttp type.
11551         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
11552         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
11553         TARGET_FISTTP.
11554         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
11555         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
11556         macros.
11557         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
11558         patterns for TARGET_FISTTP.  Enable patterns for
11559         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
11560         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
11561         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
11562         implement fisttp x87 insn.
11563         (fix_trunc*_i387_fisttp splitters): New patterns.
11564         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
11565         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
11566         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
11567         clobber.
11568         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
11569         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
11570         Implement using mode macros. Disable patterns for TARGET_FISTTP.
11571         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
11572         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
11573         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
11574         Disable patterns for TARGET_FISTTP.
11575         (fix_trunc*_i387 splitters): Implement usign mode macros.
11576         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
11577         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
11578         (fix_trunx*_sse peephole2s): Implement using mode macros.
11579
11580 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
11581
11582         PR rtl-optimization/20291
11583         * combine.c (try_combine): If splitting fails, re-try with
11584         original combined pattern, i.e. before clobber stripping.
11585
11586 2005-03-14  Eric Christopher  <echristo@redhat.com>
11587
11588         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
11589         STACK_GROWS_DOWNWARD.
11590
11591 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11592
11593         * real.h (struct real_format): Split the signbit field into two
11594         two fields, signbit_ro and signbit_rw.
11595         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
11596         mips_double_format, ieee_extended_motorola_format,
11597         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
11598         ieee_extended_intel_128_format, ibm_extended_format,
11599         mips_extended_format, ieee_quad_format, mips_quad_format,
11600         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
11601         i370_double_format, c4x_single_format, c4x_extended_format,
11602         real_internal_format): Update initializers for new field.
11603         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
11604         real_format structure.
11605         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
11606         field of the real_format structure.
11607
11608 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
11609
11610         Fix PR tree-optimization/20458
11611
11612         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
11613         DECL_EXTERNAL on STRUCT_FIELD tags.
11614         (clear_call_clobbered): Ditto.
11615         * tree-ssa-operands.c (note_addressable): Make sure the original
11616         variable doesn't slip into the addressable list if we have
11617         subvars.
11618         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
11619         tags too.
11620
11621 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
11622
11623         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
11624         (-fwide-exec-charset): Likewise.
11625         (-finput-charset): Likewise.
11626         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
11627         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
11628         * c.opt (Wnormalized): New.
11629
11630 2005-03-14  Devang Patel  <dpatel@apple.com>
11631
11632         * doc/invoke.texi: Add reference to Visibility document.
11633
11634 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
11635
11636         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
11637         MASK_SPLIT_ADDRESSES.
11638         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
11639         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
11640         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
11641         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
11642         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
11643         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
11644         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
11645         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
11646         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
11647         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
11648         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
11649         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
11650         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
11651         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
11652         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
11653         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
11654         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
11655         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
11656         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
11657         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
11658         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
11659         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
11660         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
11661         (TARGET_EXPLICIT_RELOCS): Delete.
11662         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
11663         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
11664         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
11665         (override_options): Set MASK_LONG64 if -mint64 is given and no
11666         -mlongXX option is.  Complain about -mint64 -mlong32.
11667         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
11668         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
11669         * config/mips/mips.opt: New file.
11670
11671 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
11672
11673         * config.gcc (extra_options): New variable for listing option files.
11674         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
11675         * configure.ac (extra_opt_files): New AC_SUBST variable.
11676         (tm_file_list, tm_include_list): Include options.h first.
11677         * configure: Regenerate.
11678         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
11679         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
11680         (s-options-h): New rule.
11681         (options.h): Depend on it.
11682         (TEXI_GCCINT_FILES): Add options.texi.
11683         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
11684         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
11685         * target.h (gcc_target): Add default_target_flags and handle_option.
11686         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
11687         (TARGET_HANDLE_OPTION): New macros.
11688         (TARGET_INITIALIZER): Include them.
11689         * opt-functions.awk (opt_args, nth_arg): New functions.
11690         (switch_flags): Handle the "Target" flag.
11691         (var_args): Delete.
11692         (var_name): Use opt_args and nth_arg.
11693         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
11694         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
11695         macros for the "Mask" and "InverseMask" options.
11696         * opts.h (cl_var_cond): New enum.
11697         (cl_option): Replace the "has_set_value" and "set_value" fields with
11698         "var_cond" and "var_value".
11699         (CL_TARGET): New macro.
11700         (option_enabled, print_filtered_help): Declare.
11701         (decode_options): Move definition.
11702         * opts.c (handle_option): Search for the original option before
11703         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
11704         var_cond and var_value fields.  Use targetm.handle_option to handle
11705         target options.
11706         (decode_options): Set target_flags to targetm.default_target_flags.
11707         (print_filtered_help): Make global.  Handle CL_TARGET.
11708         (option_enabled): New function.
11709         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
11710         (display_target_options, set_target_switch, print_switch_values)
11711         (default_pch_valid_p): Guard uses of target_switches with
11712         #ifdef TARGET_SWITCHES.  Also...
11713         (display_target_options): Display the CL_TARGET entries in cl_options.
11714         (set_target_option): Don't complain about the "" option when
11715         TARGET_SWITCHES is undefined.
11716         (print_switch_values): Use option_enabled.
11717         (default_pch_valid_p): Check cl_options[] when looking for something
11718         that has changed the value of target_flags.
11719         * c.opt: Remove documentation from top of file.
11720         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
11721         * doc/sourecebuild.texi: Refer to the new options documentation
11722         instead of c.opt.  Document machine-specific .opt files.
11723         * doc/tm.texi (target_flags): Say that this variable is declared
11724         by options.h.
11725         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
11726         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
11727         an alternative.
11728         * doc/options.texi: New file.
11729
11730 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11731
11732         PR middle-end/18628
11733         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
11734         register.
11735
11736 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11737
11738         PR c++/20280
11739         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
11740         temporary variable of pointer type if an lvalues is required.
11741         (gimplify_modify_expr_rhs): Request an rvalue from it.
11742         (gimplify_expr): Pass fallback on.
11743
11744 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11745
11746         * cfgbuild.c: Update comments.
11747
11748 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11749
11750         PR rtl-optimization/17236
11751         * optabs.c (expand_doubleword_mult): New helper function split out
11752         from expand_binop.  Permute the order in which instructions are
11753         emitted to minimize the number of simultaneously live registers.
11754         (expand_binop): Call expand_doubleword_mult to synthesize a double
11755         word multiplication.
11756
11757 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11758
11759         * basic-block.h: Update the prototypes of cached_make_edge and
11760         rtl_make_eh_edge.
11761         * cfg.c (cached_make_edge): Take edge_cache representing one
11762         row of the adjacency matrix of edges.
11763         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
11764         (make_edges): Initialize edge_cache to represent one row of
11765         the adjacency matrix of edges.
11766
11767 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11768
11769         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
11770         New functions.
11771         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
11772         Remove unused removed_phis variable.
11773         (conditional_replacement): Use build1/build2.
11774         (abs_replacement): Use last_and_only_stmt and build1/build2.
11775
11776 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11777
11778         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
11779         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
11780         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
11781         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
11782         * c-common.c (handle_novops_attribute): New function.
11783         (c_common_attribute_table): Add "no vops" entry.
11784         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
11785         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
11786         * tree-ssa-operands.c (get_call_expr_operands): Do not
11787         create virtual operands for calls with ECF_NOVOPS flag.
11788         * tree.h (DECL_IS_NOVOPS): New macro.
11789         (struct tree_decl): Add novops_flag.
11790         (ECF_NOVOPS): New constant.
11791
11792 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
11793
11794         PR target/17688
11795         * config/i386/i386.c (x86_use_himode_fiop): New.
11796         (x86_use_simode_fiop): Rename from x86_use_fiop.
11797         * config/i386/i386.h (x86_use_himode_fiop): Declare.
11798         (TARGET_USE_HIMODE_FIOP): New.
11799         (x86_use_simode_fiop): Rename from x86_use_fiop.
11800         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
11801
11802         * config/i386/i386.md (X87MODEI12): New mode macro define.
11803         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
11804         to implement x87 FP compare with HImode input operands.
11805         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11806         Use X87MODEI12 mode macro to handle HImode input operands.
11807         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11808         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11809         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11810         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11811         macro to implement x87 operators with HImode input operands.
11812         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11813         input operands.
11814
11815 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11816
11817         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11818         integer_zerop.
11819         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11820         constants invariant.
11821
11822 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11823
11824         * basic-block.h (BB_VISITED): Removed.
11825         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11826
11827 2005-03-14  Falk Hueffner  <falk@debian.org>
11828
11829         PR bootstrap/20424
11830         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11831
11832 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11833
11834         * ggc-zone.c: Fix comment typos.
11835
11836         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11837         stringpool.c, config/mips/mips-protos.h: Update copyright.
11838
11839 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11840
11841         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11842         throughout with its typedef, "rtx".
11843         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11844         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11845         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11846         regs in comment to match code.
11847
11848 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11849
11850         * except.c (check_handled): Make it static.
11851         * except.h: Remove the corresponding prototype.
11852
11853         * function.c (get_func_frame_size): Make it static.
11854         * function.h: Remove the corresponding type.
11855
11856         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11857         Make them static.
11858         * hard-reg-set.h: Remove the corresponding declarations.
11859
11860         * tree-cfg.c (verify_stmts): Check that
11861         bb_for_stmt (stmt) == bb for every PHI node and statement.
11862
11863 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11864
11865         * config.gcc: Remove excess indentation.
11866         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11867
11868 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11869
11870         PR middle-end/19331
11871         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11872         * fold-const.c (fold_sign_changed_comparison): Likewise.
11873         (fold_binary): Optimize comparisons against widened operands if
11874         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11875
11876 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11877
11878         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11879         (sparc_override_options): Initialize it.
11880         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11881
11882 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11883
11884         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11885         (reg_or_none500mem_operand): New predicate.
11886         (zero_reg_mem_operand): New predicate.
11887         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11888         to reg_or_none500mem_operand.
11889         (extendsfdf2_fpr): Add MEM alternative.
11890         (extenddftf2_internal): Change operand2 predicate to
11891         zero_reg_mem_operand.
11892
11893 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11894
11895         * ggc-zone.c: Rewritten.
11896
11897         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11898         if there are none.
11899         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11900         * config.in: Regenerated.
11901         * configure: Regenerated.
11902         * gengtype.c (write_types_process_field, write_func_for_structure):
11903         Pass new argument to gt_pch_note_object.
11904         * ggc-common.c (struct ptr_data): Add TYPE.
11905         (gt_pch_note_object): Take TYPE argument and save it.
11906         (call_count): Update call to ggc_pch_count_object.
11907         (call_alloc): Update call to ggc_pch_alloc_object.
11908         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11909         file.
11910         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11911         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11912         (ggc_alloc_zone_stat): Delete.
11913         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11914         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11915         (ggc_pch_alloc_object): Update prototypes.
11916         (garbage_zone): Delete.
11917         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11918         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11919         pointers.
11920         (tree_id_zone): New variable.
11921         (ggc_alloc_cleared_zone): Remove unused.
11922         (ggc_alloc_zone): Define.
11923         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11924         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11925         ggc_alloc_zone_stat.
11926         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11927         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11928         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11929         (make_node_stat): Likewise.  Use tree_id_zone.
11930
11931 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11932             Joseph S. Myers  <joseph@codesourcery.com>
11933
11934         * configure.ac: Check for MIPS TLS.
11935         * configure: Regenerated.
11936         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11937         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11938         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11939         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11940         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11941         (mips_classify_symbol, mips_symbolic_constant_p)
11942         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11943         (mips_tls_operand_p, mips_call_tls_get_addr)
11944         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11945         (mips_tls_symbol_ref_1): New functions.
11946         (mips_legitimize_address, mips_legitimize_const_move): Call
11947         mips_legitimize_tls_address.
11948         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11949         for MIPS16.
11950         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11951         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11952         (mips_char_to_class): Document V1_REG.
11953         (HAVE_AS_TLS): Provide default.
11954         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11955         constants.
11956         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11957         !TARGET_ABICALLS.
11958         (tls_get_tp_<mode>): New instruction.
11959
11960 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11961
11962         * configure.ac: Update checks for target tools.
11963         * configure: Regenerated.
11964
11965 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11966
11967         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11968
11969 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11970
11971         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11972         more classes of DImode multiplication by constant.  Allow both
11973         multiplication by small negative constants (by performing a
11974         multiplication by a positive constant and negating the result) and
11975         multiplications by large powers of two, by using a left shift.
11976
11977 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11978
11979         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11980         of basic blocks into work_stack.
11981
11982         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11983         config/mips/vr.h: Update copyright.
11984
11985         * c-decl.c (c_init_decl_processing): Remove useless calls to
11986         build_function_type.
11987
11988         * builtins.c (fold_trunc_transparent_mathfn,
11989         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11990         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11991         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11992         fold_builtin_strcpy, fold_builtin_strncpy,
11993         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11994         TREE_TYPE (exp).
11995
11996         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11997         before_call.
11998
11999         * lambda-code.c (lambda_compute_auxillary_space): Remove local
12000         variable determinant.
12001
12002         * tree-cfg.c (group_case_labels): Remove local variable type.
12003
12004         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
12005         variable ann.
12006
12007         * tree-ssa-phiopt.c (value_replacement): Remove local variable
12008         result.
12009
12010 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12011
12012         PR target/18251
12013         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
12014         (*movmemqi_insn): Delete.
12015         (*movmemhi): Delete.
12016
12017 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
12018
12019         * builtins.c (fold_builtin_classify): Take decomposed
12020         arguments of CALL_EXPR.
12021         (fold_builtin_1): Update a call to fold_builtin_classify.
12022
12023 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
12024
12025         PR c/20402
12026         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
12027         through into call to parser_xref_tag after parse error.
12028         (c_parser_struct_declaration): Consistently return NULL_TREE on
12029         error.
12030
12031 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
12032
12033         * tree-flow-inline.h (ref_contains_array_ref): New function.
12034         (lookup_subvars_for_var): Ditto.
12035         (get_subvars_for_var): Ditto.
12036         (var_can_have_subvars): Ditto.
12037
12038         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
12039         (struct subvar): New type.
12040
12041         * tree-dfa.c (okay_component_ref_for_subvars): New function.
12042
12043         * tree-optimize.c (init_tree_optimization_passes): Call
12044         pass_create_structure_vars.
12045
12046         * tree-ssa-alias.c: Include vec.h.
12047         (init_alias_info): Don't auto-clear call clobbered on struct-field
12048         tags.
12049         (compute_flow_insensitive_aliasing): Handle subvars.
12050         (group_aliases): Handle STRUCT_FIELD aliases.
12051         (setup_pointers_and_addressables): Ditto.
12052         Don't mark variables non-addressable if they still have
12053         addressable subvars.
12054         Also mark subvars addressable when the real variable is marked
12055         addressable.
12056         (add_pointed_to_var): Try to prune the pointed-to set by only
12057         pointing to subvars when possible.
12058         Otherwise, make sure we set addresses_needed and pt_vars to
12059         properly include subvars.
12060         (bitpos_of_field): New function.
12061         (push_fields_onto_fieldstack): Ditto.
12062         (get_or_create_used_part_for): Ditto.
12063         (create_overlap_variables_for): Ditto.
12064         (find_used_portions): Ditto.
12065         (create_structure_vars): Ditto.
12066         (pass_create_structure_vars): New structure.
12067
12068         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
12069         (get_expr_operands): Handle subvars.  Also try to turn
12070         COMPONENT_REF accesses into must-defs now that we can accurately
12071         portray it.
12072         (note_addressable): Try to only mark as addressable those subvars
12073         we know a COMPONENT_REF touches.
12074         (overlap_subvar): New function.
12075
12076         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
12077         Handle subvar storing.
12078         (vect_address_analysis): Update caller of vect_object_analysis.
12079
12080         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
12081
12082         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
12083         (STMT_VINFO_SUBVARS): New macro.
12084
12085         * common.opts: add flag_tree_salias.
12086
12087         * opts.c (decode_options): flag_tree_salias defaults to on.
12088
12089         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
12090
12091         * doc/tree-ssa.texi: Document structural alias analysis.
12092
12093 2005-03-12  Steven Bosscher  <stevenb@suse.de>
12094
12095         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
12096         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
12097         * tree-ssa-operands.c (get_expr_operands): Likewise.
12098         (get_expr_operands): Likewise for ERROR_MARK.
12099
12100 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12101
12102         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
12103         var.
12104
12105         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
12106         removed_phis.
12107
12108         * tree-ssa-pre.c (compute_avail): Remove local variable val.
12109         (mark_operand_necessary): Remove local variable ver.
12110
12111         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
12112         variable prefix_len.
12113
12114         * value-prof.c (mod_subtract_transform): Remove local variable
12115         value.
12116
12117         * builtins.c (fold_builtin_exponent): Take decomposed
12118         arguments of CALL_EXPR.
12119         (fold_builtin_1): Update a call to fold_builtin_exponent.
12120
12121         * builtins.c (fold_builtin_logarithm): Take decomposed
12122         arguments of CALL_EXPR.
12123         (fold_builtin_1): Update a call to fold_builtin_logarithm.
12124
12125         * c-decl.c (c_init_decl_processing): Remove local variables
12126         ptr_ftype_void and ptr_ftype_ptr.
12127
12128         * gimplify.c (gimplify_expr): Remove local variables r0 and
12129         r1.
12130
12131         * reg-stack.c (move_for_stack_reg): Remove local variable
12132         push_insn.
12133         (compare_for_stack_reg): Remove local variable flags_user.
12134         (convert_regs_1): Remove local variable deleted.
12135
12136         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
12137         variable new_cond.
12138         (combine_blocks): Remove local variables exits and new_e.
12139
12140         * tree-inline.c (expand_call_inline): Remove local variable
12141         decl.
12142
12143         * tree-ssa-live.c (create_ssa_var_map,
12144         calculate_live_on_entry): Remove local variable snn.
12145
12146 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
12147
12148         * c-lex.c (c_lex_with_flags): Add parameter to call to
12149         cpp_spell_token.
12150
12151 2005-03-11  Per Bothner  <per@bothner.com>
12152
12153         * c-tree.h (struct c_declarator): New id_loc field.
12154         * c-pragma.h (c_lex_with_flags): Take position reference.
12155         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
12156         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
12157         (c_lex): Pass dummy location to c_lex_with_flags.
12158         * c-parser.c (c_lex_one_token): Set c_token's location using
12159         c_lex_with_flags, instead of input_location, which might be "ahead".
12160         (c_parser_direct_declarator): Set declarator's id_loc from
12161         c_token's id_loc.
12162         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
12163         declarator's id_loc, rather than probably-imprecise input_location.
12164         (build_id_declarator): Initialize c_declarator's id_loc field.
12165
12166 2005-03-11  Roger Sayle  <roger@eyesopen.com>
12167
12168         PR middle-end/20419
12169         * builtins.c (expand_builtin_signbit): Force the signbit's word
12170         into an integer register to avoid SUBREGs of floating point modes.
12171
12172 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12173
12174         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
12175         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
12176         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
12177         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
12178
12179 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
12180
12181         PR rtl-optimization/20306
12182         * expr.c (emit_move_complex): Set try_int false if mode is
12183         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
12184         emit_block_move if try_int is true.
12185
12186 2005-03-11  Richard Henderson  <rth@redhat.com>
12187
12188         PR target/20415
12189         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
12190         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
12191         to match.
12192
12193 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12194
12195         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
12196         (TARGET_FIX_VR4130): New macro.
12197         (TARGET_OPTIONS): Add -mfix-vr4130.
12198         (ISA_HAS_MACCHI): New macro.
12199         (ASM_SPEC): Add -mfix-vr4130.
12200         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
12201         (override_options): Handle mips_fix_vr4130_string.
12202         (mips_avoid_hazards): Clear all_noreorder_p
12203         if we're working around VR4130 errata and the macc alternatives
12204         are not available.
12205         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
12206         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
12207         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
12208         (MULTILIB_DEFAULTS): Remove leading "march=".
12209         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
12210         if no architecture option is given.
12211         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
12212         VR4130 multilibs.
12213         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
12214         * doc/invoke.texi: Document -mfix-vr4130.
12215
12216 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12217
12218         * config/mips/mips.c (override_options): Only warn about -mint64
12219         deprecation if TARGET_INT64.
12220
12221 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12222
12223         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
12224         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
12225         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
12226         are non-specific regarding the nonnull parameter positions.
12227         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
12228         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
12229         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
12230         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
12231
12232         * builtins.def: Use the non-specific "nonnull" attibute lists.
12233
12234 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12235
12236         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12237         single_pred_edge, single_succ, single_pred): Improve comments.
12238
12239 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12240
12241         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12242         single_pred_edge, single_succ, single_pred): New inline functions.
12243         * bb-reorder.c (rotate_loop, find_traces_1_round,
12244         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
12245         duplicate_computed_gotos): Use the single_succ/pred functions.
12246         * cfganal.c (forwarder_block_p): Ditto.
12247         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
12248         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12249         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
12250         merge_seq_blocks): Ditto.
12251         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
12252         * cfglayout.c (fixup_reorder_chain): Ditto.
12253         * cfgloop.c (mark_single_exit_loops, update_latch_info,
12254         canonicalize_loop_headers, verify_loop_structure): Ditto.
12255         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
12256         mfb_update_loops, create_preheader, force_single_succ_latches,
12257         create_loop_notes): Ditto.
12258         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
12259         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
12260         commit_one_edge_insertion, purge_dead_edges,
12261         cfg_layout_can_merge_blocks_p): Ditto.
12262         * except.c (sjlj_emit_function_enter): Ditto.
12263         * flow.c (init_propagate_block_info): Ditto.
12264         * function.c (thread_prologue_and_epilogue_insns): Ditto.
12265         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
12266         insert_insn_end_bb): Ditto.
12267         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
12268         find_if_case_2): Ditto.
12269         * lambda-code.c (perfect_nestify): Ditto.
12270         * lcm.c (optimize_mode_switching): Ditto.
12271         * loop-doloop.c (doloop_modify): Ditto.
12272         * loop-init.c (loop_optimizer_init): Ditto.
12273         * loop-iv.c (simplify_using_initial_values): Ditto.
12274         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
12275         * loop-unswitch.c (unswitch_loop): Ditto.
12276         * modulo-sched.c (generate_prolog_epilog): Ditto.
12277         * predict.c (combine_predictions_for_insn, estimate_probability,
12278         tree_estimate_probability, last_basic_block_p,
12279         estimate_bb_frequencies): Ditto.
12280         * profile.c (branch_prob): Ditto.
12281         * regrename.c (copyprop_hardreg_forward): Ditto.
12282         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
12283         * tracer.c (layout_superblocks): Ditto.
12284         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
12285         cfg_remove_useless_stmts_bb, cleanup_control_flow,
12286         cleanup_control_expr_graph, disband_implicit_edges,
12287         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
12288         tree_verify_flow_info, tree_make_forwarder_block,
12289         tree_forwarder_block_p, remove_forwarder_block,
12290         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
12291         * tree-if-conv.c (tree_if_conversion): Ditto.
12292         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
12293         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
12294         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
12295         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
12296         copy_loop_headers): Ditto.
12297         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
12298         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
12299         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
12300         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
12301         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
12302         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
12303         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
12304         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
12305         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
12306         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
12307         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
12308         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
12309         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
12310         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
12311         slpeel_add_loop_guard): Ditto.
12312
12313 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
12314
12315         PR tree-optimization/15784
12316         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12317         and -1 - A to ~A.
12318
12319         * stmt.c (expand_case): Don't change index_type.  Convert minval
12320         to the proper type.
12321
12322         PR tree-optimization/20130
12323         * fold-const.c (fold): Fold x * -1 into -x.
12324
12325 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
12326
12327         PR rtl-optimization/20331
12328         * rtlanal.c (modified_between_p): Check its address first for MEM.
12329         (modified_in_p): Likewise.
12330
12331 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
12332
12333         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
12334
12335 2005-03-10  Steven Bosscher  <stevenb@suse.de>
12336
12337         * expr.c (expand_expr_real_1): If possible, use a conditional
12338         move for expanding MIN_EXPR and MAX_EXPR.
12339         Use temp for moving around rtx-en.
12340
12341 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
12342
12343         PR rtl-opt/20412
12344         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
12345         correct mode.
12346
12347 2005-03-10  Roger Sayle  <roger@eyesopen.com>
12348
12349         * builtins.c (expand_builtin_signbit): Extend to handle floating
12350         point modes wider than the largest integer type, using the
12351         operand_subword_force function to obtain the signbit's word.
12352
12353 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12354
12355         PR target/20322
12356         * combine.c (try_combine): If recog_for_combine added CLOBBERs
12357         to NEWI2PAT, fail to combine if they are used by NEWPAT.
12358
12359 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
12360
12361         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
12362
12363 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
12364
12365         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
12366         type void.
12367         (perform_edge_inserts): Unconditionally call
12368         free_dominator_info.
12369
12370         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
12371
12372 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
12373
12374         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
12375
12376 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
12377
12378         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
12379
12380         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
12381         gcc_unreachable.
12382         (rtl_register_value_prof_hooks,
12383         tree_value_profile_transformations,
12384         tree_register_value_prof_hooks): Likewise.
12385         * var-tracking.c (stack_adjust_offset_pre_post,
12386         variable_htab_free, variable_union, dataflow_set_different_2,
12387         count_uses, variable_was_changed, set_frame_base_location,
12388         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
12389         vt_add_function_parameters): Likewise.
12390         * varasm.c (named_section_real, named_section, make_decl_rtl,
12391         asm_emit_uninitialised, assemble_integer, decode_addr_const,
12392         const_hash_1, compare_constant, copy_constant, force_const_mem,
12393         output_constant_pool_2, output_constant_pool_1, output_constant,
12394         output_constructor, make_decl_one_only, decl_tls_model,
12395         default_no_named_section, default_elf_select_section_1,
12396         default_unique_section_1): Likewise.
12397         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
12398         * vmsdbgout.c (addr_const_to_string): Likewise.
12399
12400         PR c++/20375
12401         * function.c (struct assign_parm_data_one): Remove last_named
12402         field.
12403         (assign_parm_find_data_types): Don't determine last_named.
12404         Reorder named_parm determination.
12405         (assign_parms): Only setup varargs on the last non-varadic
12406         parameter.
12407
12408 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
12409
12410         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
12411         sda base address on medium model.
12412
12413 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
12414
12415         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
12416         * cfgloop.c (flow_loop_nodes_find): Export.
12417         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
12418         Declare.
12419         * cfgloopmanip.c (fix_loop_structure): New function.
12420         * predict.c (predict_loops): Clean up the loops information.
12421         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
12422         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
12423         loop structure.
12424         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
12425         (rewrite_into_loop_closed_ssa): Declaration changed.
12426         * tree-loop-linear.c (linear_transform_loops): Add argument to
12427         rewrite_into_loop_closed_ssa call.
12428         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12429         * tree-ssa-loop-im.c (move_computations): Ditto.
12430         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12431         * tree-vectorizer.c (vectorize_loops): Ditto.
12432         * tree-optimize.c: Include cfgloop.h.
12433         (execute_todo): Choose whether to call cleanup_tree_cfg or
12434         cleanup_tree_cfg_loop.
12435         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
12436         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
12437         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
12438         cleanup_tree_cfg_loop call.
12439         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
12440         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
12441         work on part of cfg.
12442
12443 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12444
12445         PR inline-asm/20314
12446         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
12447         with multiple alternatives.
12448
12449         * stmt.c (parse_output_constraint): Fix a typo.
12450
12451 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
12452
12453         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
12454         assembly directive instead of deprecated "no-generics".
12455
12456 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
12457
12458         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
12459         for non-offsettable memory references to cope with outstanding reload
12460         replacements.
12461         * config/s390/s390.md ("reload_outti"): Call find_replacement to
12462         avoid losing outstanding address reloads.
12463         ("reload_outdi", "reload_outdf"): Likewise.
12464
12465 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12466
12467         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
12468         code.  Add more cbrt transformations.
12469
12470 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12471
12472         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
12473
12474 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12475
12476         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
12477         NULL_TREE when a given tree is not simplified.
12478         (fold): Return the original tree when any of the functions
12479         mentioned above NULL_TREE.
12480
12481         * fold-const.c (fold_unary, fold_binary): Take decomposed
12482         arguments, code, type, op0, and op1 in case of fold_binary.
12483         (fold): Update calls to fold_unary and fold_binary.
12484
12485 2005-03-09  Roger Sayle  <roger@eyesopen.com>
12486
12487         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
12488         a fndecl and an arglist instead of a CALL_EXPR, exp.
12489
12490 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12491
12492         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
12493
12494         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
12495
12496         * expr.c (expand_assignment): Remove orig_to_rtx.
12497
12498         * fold-const.c (int_const_binop): Remove no_overflow.
12499
12500         * ifcvt.c (noce_emit_move_insn): Remove inmode.
12501
12502         * loop-iv.c (get_biv_step_1): Remove lhs.
12503
12504         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
12505
12506         * real.c (real_nan): Remove neg.
12507
12508         * function.c (thread_prologue_and_epilogue_insns): Remove i
12509         and newinsn.
12510
12511         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
12512         tb.
12513
12514         * tree-eh.c (tree_could_trap_p): Remove idx.
12515
12516         * tree-into-ssa.c (ann): Remove ann.
12517
12518         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
12519
12520         * tree-sra.c (decide_block_copy): Remove inst_count.
12521
12522         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
12523
12524         * tree-ssa-loop-im.c (lhs): Remove.
12525
12526         * cfgbuild.c (state, STATE, SET_STATE,
12527         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
12528         make_edges.
12529         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
12530         (find_basic_blocks): Set the state of each basic block to
12531         BLOCK_NEW.
12532
12533 2005-03-08  Jeff Law  <law@redhat.com>
12534
12535         * tree-cfg.c (cleanup_control_flow): If removal of a computed
12536         goto results in the removal of edges in the CFG, then we need
12537         to recompute dominators.
12538
12539 2005-03-09  Ben Elliston  <bje@au.ibm.com>
12540
12541         * c-common.c (c_do_switch_warnings): Comment fix.
12542
12543 2005-03-08  Julian Brown  <julian@codesourcery.com>
12544
12545         * Patch from 2005-03-08 reverted for causing regressions and
12546         ppc-darwin bootstrap failure.
12547
12548 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
12549
12550         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
12551         Define the real function for ppc-darwin.
12552         * c-typeck.c (convert_arguments): Check for target-specific
12553         invalid argument call to unprototyped function.
12554         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
12555         New Macro.
12556         * target.h (invalid_arg_for_unprototyped_fn): New field
12557         in struct calls.
12558         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
12559         default target hook.
12560         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
12561         Declare.
12562
12563 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12564
12565         * c-typeck.c (constructor_stack, constructor_range_stack,
12566         initializer_stack): Make them static.
12567
12568         * cfg.c (rbi_pool): Make it static.
12569
12570         * gimple-low.c (lower_stmt_body): Make it static.
12571         * tree-flow.h: Remove the corresponding prototype.  Don't
12572         declare lower_data.
12573
12574         * sched-deps.c (cache_size): Make it static.
12575
12576         * stor-layout.c (lang_adjust_rli): Make it static.
12577
12578 2005-03-08  Julian Brown  <julian@codesourcery.com>
12579
12580         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12581         from being used for symbols with vague linkage when
12582         HAVE_GAS_COMDAT_GROUP is true.
12583
12584 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
12585
12586         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
12587         nlabel == JUMP_LABEL (jump).
12588
12589 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12590
12591         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
12592         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
12593         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
12594         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
12595
12596 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
12597
12598         PR c/14411
12599         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
12600         * c-common.c (handle_returns_twice): New function.
12601         (c_common_attribute_table): Declare eturns_twice' attribute.
12602         * doc/extend.texi: Document eturns_twice' attribute.
12603         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
12604         (struct tree_decl): Add returns_twice_flag.
12605
12606 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12607
12608         * tree-ssa-phiopt.c: Fix a comment typo.
12609
12610         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
12611         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
12612         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
12613         copyright.
12614
12615 2005-03-08  Richard Henderson  <rth@redhat.com>
12616
12617         * config/alpha/alpha.c (code_for_builtin): Replace special-case
12618         builtin codes with ctzdi2, clzdi2, popcountdi2.
12619         (struct alpha_builtin_def): Add is_const.
12620         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
12621         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
12622         (alpha_init_builtins): Init them.  Set nothrow and const attributes
12623         on builtins.
12624         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
12625         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
12626         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
12627         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
12628         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
12629         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
12630         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
12631         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
12632         (TARGET_FOLD_BUILTIN): New.
12633         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
12634         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
12635         (ffsdi2): Use ctz.
12636         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
12637
12638 2005-03-08  Ira Rosen  <irar@il.ibm.com>
12639
12640         PR tree-optimization/20122
12641         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
12642         condition of access function instead of base.
12643
12644 2005-03-07  Jeff Law  <law@redhat.com>
12645             Steven Bosscher  <stevenb@suse.de>
12646
12647         * tree-cfg.c (find_taken_edge_computed_goto): New function.
12648         (find_taken_edge): Call find_taken_edge_computed_goto as
12649         appropriate.  Allow any gimple invariant rather than just
12650         INTEGER_CST for VAL.
12651         (cleanup_control_flow): Cleanup a computed goto which has turned
12652         into a simple goto.
12653         (tree_merge_blocks): If block B has any forced labels, move
12654         them to the start of block A.
12655         * tree-ssa-dom.c (thread_across_edge): Allow threading across
12656         computed gotos as well.
12657         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
12658         removal of unnecessary computed gotos too.
12659         (lookup_redirection_data): Fix type of INSERT argument.  Callers
12660         updated.
12661
12662 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12663
12664         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
12665         Remove trailing spaces.
12666
12667         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
12668         unshare_all_trees): Make them static.
12669         * tree-gimple.h: Remove the corresponding prototypes.
12670
12671         * diagnostic.h: Remove unused prototype
12672         debug_output_buffer.
12673         * modulo-sched.c: Remove unused prototype
12674         set_row_column_for_ps.
12675
12676         * tree-ssa-phiopt.c (tree_ssa_phiopt,
12677         replace_phi_edge_with_variable): Remove unused variable i.
12678
12679 2005-03-07  Per Bothner  <per@bothner.com>
12680
12681         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
12682
12683 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
12684
12685         PR tree-opt/17671
12686         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
12687         bbs on the COND_EXPR instead of the PHI_NODEs.
12688         (candidate_bb_for_phi_optimization): Remove.
12689         (replace_phi_with_stmt): Rename to ...
12690         (replace_phi_edge_with_variable): this and change so that we
12691         replace the phi argument instead of removing the PHI.
12692         (conditional_replacement): Change so we deal with PHI with more
12693         than two arguments.
12694         (value_replacement): Likewise.
12695         (abs_replacement): Likewise.
12696
12697 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
12698
12699         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
12700         output_e500_flip_gt_bit.
12701
12702         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
12703         as bit 31.
12704         (rs6000_generate_compare): Fix logic to look at the correct bits.
12705         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
12706         Look at GT bit.
12707         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
12708         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
12709         gen_move_from_CR_gt_bit.
12710
12711         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
12712         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
12713         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
12714
12715         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
12716         (E500_CR_IOR_COMPARE): New constant.
12717
12718 2005-03-08  Earl Chew <earl_chew@agilent.com>
12719             David Billinghurst <David.Billinghurst@riotinto.com>
12720
12721         * config/i386/host-cygwin.c: New file to support precompiled
12722         headers on cygwin
12723         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
12724         * config.host: Use above files for cygwin host.
12725
12726 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
12727
12728         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
12729         ordering ops from earlier change.
12730
12731 2005-03-07  Per Bothner  <per@bothner.com>
12732
12733         Various fixes to allow us to again build if --enable-mapped-location:
12734         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
12735         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
12736         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
12737         local variable loc. Change logic appropriately.
12738         * tree-vect-transform.c (vect_finish_stmt_generation): Use
12739         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
12740         * c-parser.c (c_parser_for_statement): Initialize loc variable.
12741         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
12742         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
12743
12744 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
12745
12746         PR rtl-optimization/19683
12747         * reload1.c (choose_reload_regs): Pass the number of bits, not the
12748         number of bytes, to smallest_int_for_mode.  Fix arguments to
12749         REG_CANNOT_CHANGE_MODE_P.
12750
12751 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12752
12753         * reorg.c (relax_delay_slots): Check that the jump is
12754         conditional before trying to invert it.
12755
12756 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12757
12758         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
12759         Make them static.
12760
12761         * calls (stack_arg_under_construction): Make it static.
12762
12763         * flow.c (regs_live_at_setjmp): Make it static.
12764         * flow.h: Remove the corresponding prototype.
12765
12766         * reload1.c (reload_startobj, reload_firstobj,
12767         something_needs_operands_changed, reload_inherited,
12768         reload_inheritance_insn, reload_override_in,
12769         reload_spill_index): Make them static.
12770
12771         * recog.c (verify_changes): Make it static.
12772         * recog.h: Remove the corresponding prototype.
12773
12774         * cfgbuild.c (find_sub_basic_blocks): Remove.
12775         * basic-block.h: Remove the corresponding prototype.
12776         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
12777         in comments.
12778         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
12779
12780         * tree-ssa-operands.c (check_build_stmt): Remove.
12781
12782         * stor-layout.c (set_alignment): Remove.
12783         * tree.h: Remove the corresponding prototype.
12784
12785         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
12786
12787         * tree-ssa-dce.c (control_dependence_map,
12788         visited_control_parents): Make them static.
12789
12790         * cfghooks.c (verify_flow_info): Remove local variable
12791         num_bb_notes.
12792
12793         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
12794         last_bb_seen.
12795
12796         * loop-unswitch.c (unswitch_loop): Remove local variable src.
12797
12798 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
12799
12800         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
12801
12802 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
12803
12804         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12805         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12806         PARALLEL for an empty structure.
12807
12808 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12809
12810         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12811
12812         * fold-const.c (fold_binary): Unroll the very first "for"
12813         loop.
12814
12815 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12816
12817         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12818         redundant match_code test.
12819         (scc_comparison_operator): Swap match_operand and match_code
12820         tests.
12821         (branch_positive_comparison_operator): Same.
12822         (trap_comparison_operator): Use comparison_operator and swap with
12823         match_code test.
12824
12825 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12826
12827         PR target/20288
12828         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12829         (out_movhi_r_mr): Read low byte of volatile MEM first.
12830         (out_movhi_mr_r): Write high byte of volatile MEM first.
12831
12832 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12833
12834         * cselib.c (reg_values, reg_values_size): Make them static.
12835
12836         * cse.c (cse_reg_info_table): Make it static.
12837
12838         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12839
12840 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12841
12842         * cse.c (find_best_addr): Use canon_for_address.
12843
12844 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12845
12846         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12847         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12848         SUBREG and MEM, respectively.
12849
12850         * fold-const.c (fold_binary): Use code instead of t.
12851
12852         * fold-const.c (optimize_minmax_comparison): Take decomposed
12853         arguments code, type, op0, and op1 instead of t.
12854         (fold_binary): Update a call to optimize_minmax_comparison.
12855
12856         * fold-const.c (fold_range_test): Take decomposed arguments
12857         code, type, op0, and op1 instead of t.
12858         (fold_binary): Update a call to fold_range_test.
12859
12860         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12861         decomposed arguments code, type, op0, and op1 instead of t.
12862         (fold_binary): Update a call to fold_range_test.
12863
12864 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12865
12866         * fold-const.c (fold_binary): Avoid directly using the original
12867         expression t as much as possible.
12868
12869 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12870
12871         * c-semantics.c (build_stmt): Use TYPE_P instead of
12872         IS_NON_TYPE_CODE_CLASS.
12873         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12874         (NON_TYPE_CHECK): Use TYPE_P instead of
12875         IS_NON_TYPE_CODE_CLASS.
12876
12877         * fold-const.c (fold): Remove handling of binary expressions.
12878
12879 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12880
12881         * doc/c-tree.texi: Wrap comments in @r{}.
12882         * doc/cpp.texi: Likewise.
12883         * doc/cppinternals.texi: Likewise.
12884         * doc/extend.texi: Likewise.
12885         * doc/md.texi: Likewise.
12886         * doc/objc.texi: Likewise.
12887         * doc/sourcebuild.texi: Likewise.
12888         * doc/tm.texi: Likewise.
12889         * doc/tree-ssa.texi
12890
12891 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12892
12893         * predict.c (apply_return_prediction): Standardize PHI chain
12894         walking.
12895         * tree-ssa.c (ssa_redirect_edge): Likewise.
12896
12897         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12898         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12899         Update copyright.
12900
12901         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12902         * tree-flow.h: Adjust the prototype for remove_phi_node.
12903         * lambda-code.c (perfect_nestify): Adjust a call to
12904         remove_phi_node.
12905         * tree-cfg.c
12906         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12907         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12908         Likewise.
12909         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12910         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12911         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12912         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12913
12914         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12915         of GEN_INT (trunc_int_for_mode (...)).
12916         * loop-iv.c (iv_number_of_iterations): Likewise.
12917         * postreload.c (reload_cse_move2add): Likewise.
12918         * simplify-rtx.c (simplify_const_unary_operation,
12919         simplify_const_binary_operation): Likewise.
12920         * stor-layout.c (get_mode_bounds): Likewise.
12921
12922         * fold-const.c (fold_binary): New.
12923         (fold): Call fold_binary on binary expressions.
12924
12925 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12926
12927         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12928         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12929         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12930         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12931         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12932
12933 2005-03-04  Devang Patel  <dpatel@apple.com>
12934
12935         PR tree-optimization/18815
12936         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12937         loops with zero exit edges.
12938
12939 2005-03-04  Devang Patel  <dpatel@apple.com>
12940
12941         * doc/invoke.texi: Remove reference to webpage that does not exist.
12942
12943 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12944             Joseph S. Myers  <joseph@codesourcery.com>
12945
12946         PR c++/19797
12947         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12948         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12949         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12950         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12951         maybe_get_identifier instead of get_identifier.
12952         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12953         (struct deferred_plabel): Replace name field with symbol field.
12954         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12955         ASM_OUTPUT_EXTERNAL_REAL is defined.
12956         (output_global_address): Use output_addr_const for output of all
12957         symbol_refs.
12958         (output_deferred_plabels): Use symbol_ref instead of name for address
12959         output.
12960         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12961         ASM_OUTPUT_SYMBOL_REF): New macros.
12962         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12963         comment.
12964         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12965         label.
12966
12967 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12968
12969         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12970         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12971
12972 2005-03-04  Jeff Law  <law@redhat.com>
12973
12974         * basic-block.h (rediscover_loops_after_threading): Declare.
12975         * tree-ssa-dom.c: Include cfgloop.h.
12976         (tree_ssa_dominator_optimize): Discover loops and some basic
12977         properties.  Remove forwarder blocks recreated by loop header
12978         canonicalization.  Also mark backedges in the CFG.
12979         * tree-ssa-threadupdate.c: Include cfgloop.h
12980         (rediscover_loops_after_threading): Define.
12981         (struct local_info): New field, JUMP_THREADED.
12982         (prune_undesirable_thread_requests): New function.
12983         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12984         then record that fact for the callers of redirct_edges.
12985         (thread_block): If BB has incoming backedges, then call
12986         prune_undesirable_thraed_requests.    Note when we are
12987         going to have to rediscover loop information.  Return a
12988         boolean indicating if any jumps were threaded.
12989         (thread_through_all_blocks): Bubble up boolean indicating
12990         if any jumps were threaded.
12991         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12992         (tree-ssa-threadupdate.o): Similarly.
12993
12994 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12995
12996         * fold-const.c (fold_ternary): Unroll the "for" loop to
12997         extract operands.
12998
12999 2005-03-04  Andrew Haley  <aph@redhat.com>
13000
13001         * unwind-dw2-fde-glibc.c (struct
13002         unw_eh_callback_data.check_cache): New field.
13003         (frame_hdr_cache): New.
13004         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
13005         Cache frame header info.
13006
13007 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
13008
13009         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
13010         (print_c_condition): Declare.
13011         * read-rtl.c (ptr_loc): New structure.
13012         (ptr_locs, ptr_loc_obstack, joined_conditions)
13013         (joined_conditions_obstack): New variables.
13014         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
13015         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
13016         (join_c_conditions, print_c_condition): New functions.
13017         (apply_macro_to_string): Associate the new string with the same
13018         source location as the old one.
13019         (add_condition_to_string): Use join_c_conditions.
13020         (read_string): Use set_rtx_ptr_loc to record a filename and line
13021         number for the string.
13022         (read_rtx): Initialize the new variables above.
13023         * genattrtab.c (write_test_expr, write_attr_value): Use
13024         print_c_condition.
13025         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
13026         comment above the GCC_VERSION check.
13027         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
13028         Inline the definition of MAYBE_EVAL.
13029         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
13030         * genoutput.c (process_template): Likewise.
13031         * genpreds.c (write_predicate_subfunction): Likewise.
13032         (write_predicate_expr): Use print_c_condition.
13033         * genrecog.c (write_cond): Likewise.
13034         * gensupport.c (process_rtx): Use join_c_conditions to join the
13035         conditions of a define_insn_and_split.  Record a source location
13036         for the string after the "&&".
13037         (alter_test_for_insn): Use join_c_conditions.
13038
13039 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
13040
13041         Revert for now:
13042         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13043         PR tree-optimization/15784
13044         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13045         and -1 - A to ~A.
13046
13047 2005-03-04  Ben Elliston  <bje@au.ibm.com>
13048
13049         * gcc.c (option_map): Add --coverage.
13050         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
13051         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
13052         * config/darwin.h: Pass -lgcov for `coverage'.
13053         * doc/invoke.texi (Debugging Options): Document --coverage.
13054
13055 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13056
13057         * gcse.c (bypass_block): Use find_edge wherever possible.
13058
13059 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
13060
13061         Fix PR debug/20253
13062
13063         * c-opts.c (c_common_parse_file): Call start_source_file
13064         and end_source_file at the approriate times.
13065
13066         * dwarf2out.c (dwarf2out_finish): Don't auto-end
13067         the main file, it will be done for us now.
13068
13069 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13070
13071         * fold-const.c (fold_ternary): New.
13072         (fold): Call fold_ternary on ternary expressions.  Remove
13073         handling of ternary expressions.
13074
13075 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13076
13077         PR tree-optimization/15784
13078         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13079         and -1 - A to ~A.
13080
13081 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
13082
13083         * config/rs6000/predicates.md (branch_comparison_operator):
13084         Convert from C block to conditional format.
13085
13086 2005-03-03  Jan Hubicka  <jh@suse.cz>
13087
13088         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
13089         and non-constant public variables.
13090
13091 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
13092
13093         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
13094         with LABEL_EXPR.
13095
13096         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
13097         EDGE_I.
13098
13099         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
13100         calls to release_ssa_name and release_phi_node.
13101
13102         * fold-const.c (fold): Remove handling of unary expressions.
13103
13104         * fold-const.c (fold_unary): Avoid directly using the original
13105         expression t as much as possible.
13106
13107 2005-03-03  Roger Sayle  <roger@eyesopen.com>
13108             Andrew Pinski  <pinskia@physics.uc.edu>
13109
13110         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
13111         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
13112
13113 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
13114
13115         Describe special registers SRP and MOF as allocatable registers.
13116         * config/cris/cris.c (cris_md_asm_clobbers): New function.
13117         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
13118         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
13119         TARGET_HAS_MUL_INSNS.
13120         (cris_print_operand) <case 'd'>: New case.
13121         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
13122         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
13123         define.
13124         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
13125         (REG_ALLOC_ORDER): Update for MOF.
13126         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
13127         SPECIAL_REGS.
13128         (GENERAL_REGS): No longer a define of ALL_REGS.
13129         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
13130         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13131         Adjust accordingly.
13132         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
13133         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
13134         (SECONDARY_RELOAD_CLASS): Define.
13135         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
13136         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
13137         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
13138         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
13139         (REGISTER_MOVE_COST): Define.
13140         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
13141         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
13142         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
13143         (CRIS_MOF_REGNUM): New define_constants.
13144         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
13145         special registers.
13146         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
13147         New patterns.
13148         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
13149         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
13150         Adjust for MOF being properly described as a register.
13151         (indir_to_reg_split): Name this split.  Conditionalize on the
13152         destination register being a general register.
13153         (movei): Conditionalize on on operands 0 and 1 having the same
13154         register class.
13155
13156 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
13157
13158         PR target/20277
13159         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
13160         -mcpu to override any other explicitly given flags.
13161
13162 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
13163
13164         * recog.c (verify_changes, confirm_change_group): New functions,
13165         broken out of apply_change_group.
13166         (apply_change_group): Use them.
13167         * recog.h (verify_change, confirm_change_group): Declare.
13168         * rtl.h (redirect_jump_2): Declare.
13169         * jump.c (redirect_exp, invert_exp): Delete.
13170         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
13171         (redirect_jump_2): New function, broken out of redirect_jump.
13172         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
13173         (invert_jump): Use invert_jump_1 and redirect_jump_2.
13174         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
13175
13176 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
13177
13178         * varasm.c (named_section): Use xstrdup rather than doing it by
13179         hand.
13180
13181         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
13182
13183 2005-03-02  Devang Patel  <dpatel@apple.com>
13184
13185         Undo PR tree-optimization/18815 fix.
13186
13187 2005-03-02  Devang Patel  <dpatel@apple.com>
13188
13189         PR tree-optimization/18815
13190         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13191         loops with zero exit edges.
13192
13193 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13194
13195         * cfg.c (connect_src, connect_dest, disconnect_src,
13196         disconnct_dest): New.
13197         (unchecked_make_edge, remove_edge, redirect_edge_succ,
13198         redirect_edge_pred): Use the new functions.
13199
13200         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
13201         free_dominance_info only when needed.
13202
13203 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
13204
13205         PR target/20276
13206         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
13207         (reg_or_sub_cint64_operand): Same.
13208
13209 2005-03-02  Jeff Law  <law@redhat.com>
13210
13211         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
13212         CFG_ALTERED in the main DOM iteration loop.
13213
13214 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
13215
13216         PR c++/19916
13217         * varasm.c (initializer_constant_valid_p): Allow conversions
13218         between OFFSET_TYPEs.  Tidy.
13219
13220 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
13221
13222         * config/cris/cris.md ("return"): Remove epilogue delay list
13223         sanity check.
13224
13225 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
13226
13227         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
13228         for Thumb.
13229         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
13230
13231 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13232
13233         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
13234         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
13235         config/m68k/m68k.c, config/mips/mips.h,
13236         config/rs6000/rs6000-protos.h, doc/contrib.texi,
13237         doc/include/gcc-common.texi: Update copyright.
13238
13239         PR middle-end/18029 and PR middle-end/18030
13240         * expr.c (optimize_bitfield_assignment_op): Add a special case
13241         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
13242
13243         * fold-const.c (fold_unary): New.
13244         (fold): Call fold_unary on unary expressions.
13245
13246 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
13247
13248         * cgraph.h (struct cgraph_edge): Add prev_caller and
13249         prev_callee fields.
13250         (cgraph_node_remove_callees): Export.
13251         * cgraph.c (cgraph_create_edge): Initialize prev_caller
13252         and prev_callee.
13253         (cgraph_edge_remove_callee): New function.
13254         (cgraph_edge_remove_caller): Likewise.
13255         (cgraph_remove_edge): Use.
13256         (cgraph_redirect_edge_callee): Likewise.
13257         (cgraph_node_remove_callees): New function.
13258         (cgraph_node_remove_callers): Likewise.
13259         (cgraph_remove_node): Use.
13260         * tree-optimize.c (tree_rest_of_compilation): Use
13261         cgraph_node_remove_callees instead of manual loop.
13262         * cgraphunit.c (cgraph_finalize_function): Likewise.
13263         (cgraph_expand_function): Likewise.
13264         (cgraph_remove_unreachable_nodes): Likewise.
13265
13266 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
13267
13268         PR c/8927
13269         * c-tree.h (undeclared_variable, build_external_ref): Add extra
13270         argument.
13271         * c-decl.c (undeclared_variable): Take location as argument.
13272         * c-typeck.c (build_external_ref): Likewise.
13273         * c-parser.c (c_parser_postfix_expression): Pass location of
13274         identifier to build_external_ref.
13275
13276 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13277
13278         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
13279         CCEQ mode for branch_positive_comparison_operator test.
13280         * config/rs6000/predicates (branch_comparison_operator): Revert to
13281         define_predicate.
13282         (scc_comparison_operator): Same.
13283         (branch_positive_comparison_operator): Same.
13284
13285 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
13286
13287         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
13288         (cris_delay_slots_for_epilogue): Remove.
13289         (save_last): Move into cris_target_asm_function_epilogue.
13290         (cris_target_asm_function_epilogue): Remove tests for file being
13291         NULL.
13292         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
13293         (cris_delay_slots_for_epilogue): Remove prototypes.
13294         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
13295         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
13296
13297 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13298
13299         * config/rs6000/predicates.md (branch_comparison_operator): Change
13300         to define_special_predicate.
13301         (scc_comparison_operator): Same.
13302         (branch_positive_comparison_operator): Same.
13303
13304 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
13305
13306         * Makefile.in (tree-ssa-sink.o): New.
13307         (OBJS-common): Add tree-ssa-sink.o.
13308         * common.opt: Add -ftree-sink
13309         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
13310         * timevar.def (TV_TREE_SINK): new timevar.
13311         * tree-flow.h (is_hidden_global_store): Prototype.
13312         * tree-optimize.c (init_tree_optimization_passes): Add
13313         pass_sink_code.
13314         * tree-pass.h (pass_sink_code): New.
13315         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
13316         for non-obvious global store store to is_hidden_global_store, and
13317         call that new function.
13318         * tree-ssa-sink.c: New file.
13319         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
13320         * doc/passes.texi: Document forward store motion.
13321         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
13322         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
13323         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
13324         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
13325
13326 2005-03-01  Per Bothner  <per@bothner.com>
13327
13328         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
13329         and we have a non-zero column-number, add it to the message.
13330         Also factor out the diagnostic_kind_text.
13331
13332 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
13333
13334         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
13335         flow_loop_pre_header_scan, flow_loop_pre_header_find,
13336         flow_loop_scan): Removed.
13337         (flow_loop_dump): Do not dump removed fields.
13338         (flow_loop_free): Do not free removed fields.
13339         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
13340         (loop_exit_edge_p): New function.
13341         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
13342         num_pre_header_edges, entry_edges, num_entries, exit_edges,
13343         num_exits, exits_doms.
13344         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
13345         LOOP_EDGES, LOOP_ALL): Removed.
13346         (flow_loop_scan): Declaration removed.
13347         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
13348         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
13349         flow_loops_find.
13350         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
13351         (if_convert): Call flow_loops_find and flow_loops_free
13352         when calling mark_loop_exit_edges.
13353         * cfgloopanal.c (mark_loop_exit_edges): Moved from
13354         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
13355         free_dominance_info calls.
13356         * loop-init.c (flow_loops_find): Ditto.
13357         * passes.c (rest_of_handle_branch_prob): Ditto.
13358         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
13359         * loop-unroll.c (analyze_insns_in_loop): Do not use
13360         EDGE_LOOP_EXIT.
13361         * predict.c (predict_loops): Do not call flow_loop_scan.
13362         Use get_loop_exit_edges.
13363         (tree_estimate_probability): Do not pass flags to flow_loops_find.
13364         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
13365         Do not use EDGE_LOOP_EXIT.
13366         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
13367         to bb_with_exit_edge_p.
13368         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
13369         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
13370         to bb_with_exit_edge_p.
13371         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
13372         EDGE_LOOP_EXIT.
13373         * tree-loop-linear.c (linear_transform_loops): Do not call
13374         flow_loop_scan.  Use loop->single_exit.
13375         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
13376         (vect_analyze_loop_form): Do not call flow_loop_scan.
13377         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
13378         loop->single_exit.
13379         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
13380         loop->single_exit.
13381         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
13382         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13383         slpeel_tree_duplicate_loop_to_edge_cfg,
13384         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
13385         Use loop_preheader_edge and loop->single_exit.  Do not call
13386         flow_loop_scan.
13387
13388 2005-03-01  Nick Clifton  <nickc@redhat.com>
13389
13390         * config/arm/arm.c (thumb_find_work_register): Check all of the
13391         argument registers to see if they are free, and a couple of
13392         special cases where the last argument register but can be proved
13393         to be available during the function's prologue.
13394         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
13395         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
13396         thumb_unexpanded_epilogue): Use unsigned long as the type for the
13397         register bit-mask.
13398         (thumb_compute_save_reg_mask): Likewise.  Also use
13399         thumb_find_work_register() to ensure that there is agreement about
13400         which work register is going to be used in the prologue.
13401         (thumb_output_function_prologue): Use unsigned long as the type
13402         for the register bit-mask.  Also delay pushing the link register if
13403         other high registers are going to be pushed.
13404         (thumb_compute_save_reg_mask, emit_multi_reg_push,
13405         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
13406         redundant prototypes.
13407
13408 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
13409
13410         PR target/19819
13411         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
13412         and after reload in REG+REG indexed addresses without REG_POINTER
13413         set in the base and not set in the index.
13414
13415 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
13416
13417         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
13418         Don't undefine here.
13419         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
13420         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
13421         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
13422         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
13423         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
13424         Delete.
13425         * config.gcc (sh*-*-linux*): Use config/linux.h.
13426
13427 2005-02-28  Dale Johannesen  <dalej@apple.com>
13428             Stan Shebs  <shebs@apple.com>
13429
13430         Rewrite of 64-bit Darwin structure-by-value pass/return.
13431         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
13432         intoffset, use_stack, named.
13433         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
13434         (rs6000_darwin64_record_arg_advance_flush):  New.
13435         (rs6000_darwin64_record_arg_advance_recurse): New.
13436         (rs6000_darwin64_record_arg_flush):  New.
13437         (rs6000_darwin64_record_arg_recurse):  New.
13438         (rs6000_darwin64_record_arg):  New.
13439         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
13440         (function_arg_boundary):  Handle 128-bit aligned structs.
13441         (function_arg_advance):  Rewrite darwin64 struct handling.
13442         (function_arg):  Call rs6000_darwin64_record_arg.
13443         (function_arg_partial_nregs):  Handle darwin64 structs.
13444         (rs6000_darwin64_function_value):  Remove.
13445         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
13446
13447 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13448
13449         PR tree-optimization/20216
13450         * tree-chrec.c (tree_fold_factorial): Delete.
13451         (tree_fold_binomial): Change argument list to take a return type
13452         and change the type of K to unsigned int.  Rewrite to avoid explicit
13453         evaluation of factorials, and (recursively) calling fold to perform
13454         compile-time arithmetic.  Return NULL on (internal) overflow.
13455         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
13456         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
13457         if any intermediate calculation overflows.
13458         (chrec_apply): Update call to chrec_evaluate.
13459
13460 2005-02-28  James E Wilson  <wilson@specifixinc.com>
13461
13462         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
13463
13464 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
13465
13466         PR c/20245
13467         * c-parser.c (c_parser_compound_statement): Return error_mark_node
13468         instead of NULL_TREE on error.
13469
13470 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
13471
13472         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
13473         (EASY_VECTOR_15_ADD_SELF): Remove.
13474         (num_insns_constant_wide): Not static.
13475         (validate_condition_mode): Not static.
13476         (toc_relative_expr_p): Not static.
13477         (legitimate_indirect_address_p): Not static.
13478         (macho_lo_sum_memory_operand): Not static.
13479         (invalid_e500_subreg): Not static.
13480         (easy_vector_same): Not static.
13481         (easy_vector_splat_const): Not static.
13482         (RS6000_SYMBOL_REF_TLS_P): Remove.
13483         (any_operand): Delete.
13484         (any_parallel_operand): Delete.
13485         (count_register_operand): Delete.
13486         (altivec_register_operand): Delete.
13487         (xer_operand): Delete.
13488         (s8bit_cint_operand): Delete.
13489         (short_cint_operand): Delete.
13490         (u_short_cint_operand): Delete.
13491         (non_short_cint_operand): Delete.
13492         (exact_log2_cint_operand): Delete.
13493         (gpc_reg_operand): Delete.
13494         (cc_reg_operand): Delete.
13495         (cc_reg_not_cr0_operand): Delete.
13496         (reg_or_short_operand): Delete.
13497         (reg_or_neg_short_operand): Delete.
13498         (reg_or_aligned_short_operand): Delete.
13499         (reg_or_u_short_operand): Delete.
13500         (reg_or_cint_operand): Delete.
13501         (reg_or_arith_cint_operand): Delete.
13502         (reg_or_add_cint64_operand): Delete.
13503         (reg_or_sub_cint64_operand): Delete.
13504         (reg_or_logical_cint_operand): Delete.
13505         (got_operand): Delete.
13506         (got_no_const_operand): Delete.
13507         (easy_fp_constant): Delete.
13508         (easy_vector_constant): Delete.
13509         (easy_vector_constant_add_self): Delete.
13510         (zero_constant): Delete.
13511         (zero_fp_constant): Delete.
13512         (volatile_mem_operand): Delete.
13513         (offsettable_mem_operand): Delete.
13514         (mem_or_easy_const_operand): Delete.
13515         (add_operand): Delete.
13516         (non_add_cint_operand): Delete.
13517         (logical_operand): Delete.
13518         (non_logical_cint_operand): Delete.
13519         (mask_operand): Delete.
13520         (mask_operand_wrap): Delete.
13521         (mask64_operand): Delete.
13522         (mask64_2_operand): Delete.
13523         (and64_operand): Delete.
13524         (and64_2_operand): Delete.
13525         (and_operand): Delete.
13526         (reg_or_mem_operand): Delete.
13527         (lwa_operand): Delete.
13528         (symbol_ref_operand): Delete.
13529         (call_operand): Delete.
13530         (current_file_function_operand): Delete.
13531         (input_operand): Delete.
13532         (rs6000_nonimmediate_operand): Delete.
13533         (rs6000_tls_symbol_ref): Delete.
13534         (save_world_operation): Delete.
13535         (restore_world_operation): Delete.
13536         (load_multiple_operation): Delete.
13537         (store_multiple_operation): Delete.
13538         (vrsave_operation): Delete.
13539         (mfcr_operation): Delete.
13540         (mtcrf_operation): Delete.
13541         (lmw_operation): Delete.
13542         (stmw_operation): Delete.
13543         (branch_comparison_operator): Delete.
13544         (branch_positive_comparison_operator): Delete.
13545         (scc_comparison_operator): Delete.
13546         (trap_comparison_operator): Delete.
13547         (boolean_operator): Delete.
13548         (boolean_or_operator): Delete.
13549         (min_max_operator): Delete.
13550         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
13551         (EASY_VECTOR_15): Moved to here.
13552         (EASY_VECTOR_15_ADD_SELF): Move to here.
13553         (PREDICATE_CODES): Delete.
13554         * config/rs6000/rs6000-protos.h: Delete predicate functions.
13555         Declare functions no longer static.
13556         * config/rs6000/predicates.md: New.
13557         * config/rs6000/rs6000.md: Include predicates.md
13558
13559 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
13560
13561         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
13562         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
13563         REG_ALWAYS_RETURN.
13564         * cfgrtl.c (need_fake_edge_p): Likewise.
13565         * combine.c (distribute_notes): Likewise.
13566         * emit-rtl.c (try_split): Likewise.
13567         * recog.c (peephole2_opimize): Likewise.
13568         * reg-notes.def (ALWAYS_RETURN): Remove.
13569         * rtl.h (LCT_ALWAYS_RETURN): Remove.
13570         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
13571         * tree.h (ECF_ALWAYS_RETURN): Remove.
13572
13573 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13574
13575         PR middle-end/19874
13576         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
13577         between different machine modes is never a "useless" conversion.
13578
13579 2005-02-28  Geert Bosch  <bosch@gnat.com>
13580
13581         PR ada/15977
13582         * doc/contrib.texi: List contributors for Ada front end
13583
13584 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
13585
13586         * simplify-rtx.c (simplify_unary_operation_1,
13587         simplify_const_unary_operation): New, extracted from...
13588         (simplify_unary_operation): ... this one.
13589         (simplify_binary_operation_1,
13590         simplify_const_binary_operation): New, extracted from...
13591         (simplify_binary_operation): ... this one.
13592         * rtl.h (simplify_const_unary_operation,
13593         simplify_const_binary_operation): Add prototypes.
13594
13595 2005-02-28  Julian Brown  <julian@codesourcery.com>
13596
13597         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
13598         building libjava and caused PR regression/20228.
13599
13600 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
13601
13602         PR bootstrap/17383
13603         * Makefile.in (host_subdir): New.
13604         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
13605         * configure: Regenerate.
13606
13607 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
13608
13609         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
13610         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
13611         installation directory first.
13612
13613 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
13614
13615         PR target/19065.
13616         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
13617         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
13618         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
13619         * config/cris/cris.md: Tweak comments referring to Q.
13620         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
13621         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
13622         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
13623         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
13624         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
13625         Insert spaces in constraints to align alternatives vertically for
13626         readability.
13627         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
13628         operand 1: "M".
13629
13630 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13631
13632         PR rtl-optimization/17728
13633         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
13634         operand 0 from general_operand to move_dest_operand.
13635
13636 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13637
13638         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
13639         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
13640         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
13641         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
13642
13643 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
13644
13645         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
13646         * configure: Regenerate.
13647         * libada-mk.in: Remove CC; rename
13648         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
13649
13650 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
13651
13652         PR tree-opt/20188
13653         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
13654         for the lhs, also walk over the tree.  Likewise for rhs.
13655
13656 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
13657
13658         * tree-ssa-dom.c (simple_iv_increment_p): New function.
13659         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
13660         Do not propagate value of iv before increment over the increment.
13661
13662 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
13663
13664         * c-parser.c: New file.
13665         * c-parse.in: Remove.
13666         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
13667         Remove.
13668         (c-parser.o): Add dependencies.
13669         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
13670         maintainer-clean, TAGS): Update.
13671         * c-config-lang.in (gtfiles): Update.
13672         * gengtype-lex.l: Don't handle "@@".
13673         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
13674         objc_build_synchronized, objc_begin_try_stmt,
13675         objc_begin_catch_clause, objc_finish_catch_clause,
13676         objc_build_finally_clause, objc_finish_try_stmt): New.
13677         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
13678         type_seen_p.
13679         (c_parse_init): Update comment.
13680         * c-decl.c (c_init_decl_processing): Update comment.
13681         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
13682         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
13683         new c_declspecs members.
13684
13685 2005-02-25  Julian Brown  <julian@codesourcery.com>
13686
13687         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
13688         from being used for symbols with vague linkage when
13689         HAVE_GAS_COMDAT_GROUP is true.
13690
13691 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13692
13693         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
13694
13695 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
13696
13697         PR target/19930
13698         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
13699         (LIBGCC2_HAS_DF_MODE): New.
13700         (LIBGCC2_HAS_XF_MODE): New.
13701         (LIBGCC2_HAS_TF_MODE): New.
13702         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13703         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13704         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13705         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13706         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
13707         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
13708         and add _fixtfdi, _fixunstfdi, _floatditf
13709         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
13710         L_fixunstfdi, L_floatditf.
13711         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
13712         (LIBGCC2_HAS_TF_MODE): Define.
13713
13714 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
13715
13716         PR tree-optimization/20204
13717         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
13718         REWRITE_THIS_STMT markers on PHI nodes.
13719         (rewrite_initialize_block): Likewise.
13720
13721 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13722
13723         * version.c (version_string): Update to 4.1.
13724
13725 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
13726
13727         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
13728         Clarify that the alternative way doesn't work in GNU C++.
13729
13730 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
13731
13732         PR tree-optimization/19937
13733         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
13734         to the type of the induction variable.
13735
13736 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
13737
13738         PR rtl-optimization/20117
13739         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
13740         the block including noncopyable insn.
13741
13742 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13743
13744         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
13745         calls to find_reg_note.
13746
13747 2005-02-24  Richard Henderson  <rth@redhat.com>
13748
13749         PR tree-opt/20127
13750         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
13751         the type.
13752
13753 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
13754
13755         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
13756         vector types if to use base reg for misaligned non-word ld/std.
13757
13758 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13759
13760         PR target/14619
13761         * config/cris/cris.c (cris_target_asm_function_prologue): Create
13762         dwarf2 label manually and put it after, not before the prologue.
13763
13764 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
13765
13766         PR target/19019
13767         * reload.c (operands_match_p): Only increment register number for
13768         SCALAR_INT_MODE_P modes in multiple hard registers.
13769
13770         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
13771         Fix formatting.
13772
13773 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13774
13775         * ChangeLog.5: Fix log message typo(s).
13776         * ChangeLog.7: Likewise.
13777         * ChangeLog.tree-ssa: Likewise.
13778         * cfgexpand.c: Fix comment typo(s).
13779         * conflict.c: Likewise.
13780         * defaults.h: Likewise.
13781         * dwarf2out.c: Likewise.
13782         * gcse.c: Likewise.
13783         * ggc-page.c: Likewise.
13784         * tree-eh.c: Likewise.
13785         * tree-ssa-dom.c: Likewise.
13786
13787 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
13788
13789         PR target/19019
13790         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
13791         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
13792         if SHARED is defined.
13793
13794         PR target/20196
13795         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
13796         allow splitting only if operands 0 and 3 don't overlap.
13797
13798 2005-02-24  Richard Henderson  <rth@redhat.com>
13799
13800         PR middle-end/19953
13801         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
13802         (fold_builtin_1): Call them.
13803         * fold-const.c (fold_complex_mult_parts): Split out from ...
13804         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13805         (fold_complex_div_parts, fold_complex_div): New.
13806         (fold): Use them.
13807         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13808
13809 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13810
13811         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13812         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13813
13814         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13815         (print_node): Likewise.
13816         Print TYPE_SIZES_GIMPLIFIED.
13817
13818 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13819
13820         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13821         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13822         operands as commutative in constraints.
13823
13824 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13825
13826         * tree-into-ssa.c: Re-organize internal functions.
13827
13828 2005-02-24  Richard Henderson  <rth@redhat.com>
13829
13830         PR middle-end/18902
13831         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13832         for c99.
13833         * common.opt (fcx-limited-range): New.
13834         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13835         * toplev.c (flag_complex_method): Initialize to 1.
13836         (process_options): Set flag_complex_method to 0 if
13837         flag_cx_limited_range.
13838         * doc/invoke.texi (-fcx-limited-range): New.
13839
13840 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13841
13842         * cse.c (delete_trivially_dead_insns): Speed up by using
13843         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13844         prev_real_insn.
13845
13846 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13847
13848         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13849         functions when -mid-shared-library is being used.
13850
13851 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13852
13853         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13854         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13855         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13856         * system.h: Poison LINK_LIBGCC_SPECIAL.
13857
13858 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13859
13860         * gengtype.c (note_insn_name): Make 1 element larger.
13861
13862 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13863
13864         PR target/20018
13865         PR rtl-optimization/20097
13866         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13867         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13868
13869 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13870
13871         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13872         * t-aix52 (SHLIB_INSTALL): Same.
13873
13874 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13875
13876         * genpreds.c: Update copyright.
13877
13878 2005-02-23  Michael Beach  <michaelb@ieee.org>
13879
13880         PR target/20159
13881         * config/sparc/t-elf (startup files): Assemble with CPP.
13882
13883 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13884
13885         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13886         (write_predicate_expr): Likewise.
13887
13888 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13889
13890         PR tree-optimization/20100
13891         PR tree-optimization/20115
13892         * tree-optimize.c (init_tree_optimization_passes): Remove
13893         pass_maybe_create_global_var.
13894         * tree-pass.h (pass_maybe_create_global_var): Remove.
13895         * tree-ssa-alias.c (aliases_computed_p): Declare.
13896         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13897         (count_calls_and_maybe_create_global_var): Remove.
13898         (pass_maybe_create_global_var): Remove.
13899         (init_alias_info): Do not declare aliases_computed_p.
13900         (maybe_create_global_var): If the function contains no
13901         call-clobbered variables and a mix of pure/const and regular
13902         function calls, create .GLOBAL_VAR.
13903         Mark all call-clobbered variables for renaming.
13904         (merge_pointed_to_info): Update comment.
13905         (add_pointed_to_var): Likewise.
13906         (is_escape_site): Likewise.
13907         Accept struct alias_info * instead of size_t *.
13908         Update all users.
13909         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13910         as necessary.
13911         * tree-ssa-operands.c (get_call_expr_operands): If
13912         ALIASES_COMPUTED_P is false, do not add call-clobbering
13913         operands.
13914         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13915         (delete_tree_ssa): Likewise.
13916
13917 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13918
13919         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13920         (do_compile): Do call it here.
13921
13922 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13923
13924         PR rtl-optimization/20017.
13925         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13926         rest_of_handle_cse2, rest_of_handle_gcse): Call
13927         delete_dead_jumptables immediately before calling cleanup_cfg.
13928
13929 2005-02-22  Devang Patel  <dpatel@apple.com>
13930
13931         PR 19952
13932         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13933         all labels
13934
13935 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13936
13937         * config/rs6000/aix.h (WINT_TYPE): Define.
13938
13939 2005-02-22  Stan Shebs  <shebs@apple.com>
13940
13941         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13942         natural alignment for 64-bit Darwin.
13943         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13944         on 64-bit Darwin.
13945         * doc/invoke.texi: Document this.
13946
13947 2005-02-22  DJ Delorie  <dj@redhat.com>
13948
13949         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13950         to make_[un]signed_type, not the mode itself.
13951
13952 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13953
13954         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13955         not available.  Use tail calls wherever possible.
13956         (make_edge): Call unchecked_make_edge to create an edge.
13957
13958         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13959         (coalesce_ssa_name): Don't check for
13960         SSANORM_USE_COALESCE_LIST.
13961         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13962
13963 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13964
13965         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13966         (rewrite_into_ssa): ... here.
13967
13968 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13969
13970         PR tree-optimization/19786
13971         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13972         tag to another's may-alias bitmap when adding to the other's list.
13973
13974 2005-02-21  DJ Delorie  <dj@redhat.com>
13975
13976         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13977         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13978         registers in unsupported ways.
13979         * expmed.c (init_expmed): Likewise.
13980
13981 2005-02-21  Stan Cox  <scox@redhat.com>
13982
13983         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13984
13985 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13986
13987         * tree-cfg.c (fold_cond_expr_cond): New.
13988         (make_edges): Call fold_cond_expr_cond.
13989         (find_taken_edge): Accept nothing but INTEGER_CST.
13990         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13991         and 1.
13992         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13993
13994         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13995         that do not belong to any basic block.
13996
13997 2005-02-21  Jeff Law  <law@redhat.com>
13998
13999         * cfganal.c (find_unreachable_blocks): Manually CSE load of
14000         e->dest.
14001
14002 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
14003
14004         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
14005         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
14006         Adjust their definitions.
14007         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
14008         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
14009
14010         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
14011         genautomata.c, langhooks.c, langhooks.h, system.h,
14012         config/arm/lib1funcs.asm: Update copyright.
14013
14014 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
14015
14016         * dbxout.c (dbxout_function_end): Emit Lscope label always.
14017
14018 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
14019
14020         PR bootstrap/13770
14021         * doc/install.texi: Document --with-gc.
14022
14023 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
14024
14025         * simplify-rtx.c (simplify_unary_operation): Add a missing
14026         "break" statement.
14027
14028 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14029
14030         PR tree-optimization/18663
14031         * tree-ssa-dom.c (extract_range_from_cond): Return 0
14032         if the type has variable bounds.
14033
14034 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
14035
14036         * gcse.c: Remove an obsolete comment.
14037
14038         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
14039
14040 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
14041
14042         * doc/extend.texi (Function Attributes) <Attribute const>: The
14043         attribute "pure" is below this text, not above.
14044
14045 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14046
14047         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
14048         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
14049         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
14050
14051 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
14052
14053         PR 18785
14054         * langhooks.h (struct lang_hooks): Add to_target_charset.
14055         * langhooks.c (lhd_to_target_charset): New function.
14056         * langhooks-def.h: Declare lhd_to_target_charset.
14057         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
14058         (LANG_HOOKS_INITIALIZER): Update.
14059         * c-common.c (c_common_to_target_charset): New function.
14060         * c-common.h: Declare it.
14061         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
14062         c_common_to_target_charset.
14063
14064         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
14065         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
14066         Delete definitions.
14067         * system.h: Poison them.
14068         * doc/tm.texi: Don't discuss them.
14069         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
14070         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
14071         (pp_c_char): Do not attempt to generate letter escapes for
14072         newline, tab, etc.
14073         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
14074         * config/mips/mips.c (mips_output_ascii): Likewise.
14075
14076 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
14077
14078         PR tree-optimization/19951
14079         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
14080         is abnormal.
14081
14082 2005-02-19  Steven Bosscher  <stevenb@suse.de>
14083
14084         PR middle-end/19698
14085         * function.h (struct function): New field `max_loop_depth'.
14086         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
14087         (flow_loops_find): Reset the max loop depth count before finding loops.
14088         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
14089         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
14090         (calculate_global_regs_live): Make sure the loop will terminate
14091         when the initial sets are not empty.
14092
14093 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
14094
14095         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
14096         object inside.
14097         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
14098
14099 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
14100
14101         PR other/19525
14102         * doc/invoke.texi: Remove documentation of %M spec.
14103         * gcc.c: Likewise.
14104         (init_spec): Remove %M suffix from -lgcc_s.
14105         (do_spec_1): Remove 'M' case.
14106         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
14107         to put shared libraries in the multilib directory.  Remove the
14108         shlib_so_soname substitution variable.  Don't add a multilib encoding
14109         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
14110         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
14111         SHLIB_INSTALL as well as SHLIB_LINK.
14112         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
14113         (SHLIB_NAME): Delete.
14114         (SHLIB_DIR): New macro.
14115         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
14116         (SHLIB_INSTALL): Adjust accordingly.
14117         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
14118         * config/t-slibgcc-sld: Likewise.
14119         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
14120         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
14121         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
14122         in $(SHLIB_DIR).
14123         (SHLIBUNWIND_INSTALL): Adjust accordingly.
14124         * config/i386/t-nwld (SHLIB_SONAME): Delete.
14125         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
14126         Use @shlib_base_name@ instead of @shlib_so_name@.
14127         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
14128         and @shlib_base_name@.so in @multilib_dir@.
14129         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
14130         to the install path.
14131         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
14132         (SHLIB_LINK): Remove previous workaround.
14133         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
14134         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
14135         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
14136         the install path.
14137         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
14138         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
14139         (SHLIB_INSTALL): Adjust accordingly.
14140         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
14141         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
14142         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
14143         config/t-slibgcc-elf-ver.
14144
14145 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
14146             Jakub Jelinek  <jakub@redhat.com>
14147
14148         PR tree-optimization/19828
14149         * tree-ssa-loop-im.c: Add a TODO comment.
14150         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
14151         without side-effects.
14152
14153 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14154
14155         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
14156         call fold_convert.
14157
14158 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
14159
14160         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
14161         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
14162         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
14163         functions.
14164         (ia64_reorg): Delete fixup_errata call.
14165         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
14166         (TARGET_SWITCHES): Delete -mb-step entry.
14167
14168 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
14169
14170         PR c/20043
14171         * c-typeck.c (composite_type): Handle quals in transparent unions.
14172         (type_lists_compatible_p): Likewise.
14173
14174 2005-02-18  Stan Shebs  <shebs@apple.com>
14175
14176         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
14177         expressions in the .literal8 section.
14178
14179 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
14180
14181         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
14182
14183 2005-02-18  Roger Sayle  <roger@eyesopen.com>
14184
14185         * fold-const.c (constant_boolean_node): Always create values of the
14186         specified type, don't bother calling truthvalue_conversion.
14187
14188 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14189
14190         * except.c (output_function_exception_table): Call
14191         assemble_external_libcall (eh_personality_libfunc).
14192
14193 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14194
14195         PR target/19886
14196         * config/ia64/ia64.h (struct machine_function): Add state_num.
14197         * config/ia64/ia64.c (process_epilogue,
14198         process_for_unwind_directive): Use new unwind state numbers each
14199         time rather than state 1.
14200
14201 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
14202
14203         PR target/20054
14204         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
14205         before the "*llgt_didi" pattern.
14206
14207 2005-02-18  Jason Merrill  <jason@redhat.com>
14208
14209         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
14210
14211 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
14212
14213         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
14214         (div0): Use it in place of ARM_FUNC_ALIAS.
14215         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
14216
14217 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
14218
14219         PR middle-end/20030
14220         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
14221         access, the lower bound of the array type if it exists.
14222
14223 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
14224
14225         PR c++/20008
14226         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
14227         cases that are out-of-range for the index type.
14228
14229 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14230
14231         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
14232         (estimate_case_costs): Don't call convert.
14233         * expmed.c (expand_shift): Likewise.
14234         (make_tree): Call fold_convert instead of convert.
14235
14236 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14237
14238         PR c++/19813
14239         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
14240         that ref to be marked MEM_READONLY_P doesn't have base that needs
14241         constructing.
14242
14243 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14244
14245         * genautomata.c (output_get_cpu_unit_code_func,
14246         output_cpu_unit_reservation_p): Don't generate old-style function
14247         definitions.
14248
14249 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14250
14251         PR c++/20023
14252         PR tree-optimization/20009
14253         * convert.c (convert_to_integer): Revert 2005-02-16 change.
14254
14255         PR tree-optimization/18947
14256         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
14257         inline, remove all nodes that are inlined into the extern inline
14258         being redefined.
14259
14260 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14261
14262         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
14263         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
14264         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
14265         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
14266         Update copyright.
14267
14268 2005-02-17  Roger Sayle  <roger@eyesopen.com>
14269
14270         PR tree-optimization/19917
14271         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
14272         to be potentially trapping.
14273
14274 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14275
14276         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
14277
14278 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
14279
14280         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
14281         tem becomes a local variable which is set to the value of the
14282         back end defined INITIAL_FRAME_ADDRESS macro.
14283         (expand_builtin_frame_address): Omit the base parameter to
14284         expand_builtin_return_addr.
14285         (expand_builtin_profile_func): Likewise.
14286         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
14287         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
14288         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
14289
14290 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
14291
14292         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
14293         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
14294         * config/frv/frv.c (frv_function_epilogue): Likewise.
14295
14296 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
14297
14298         * lambda-code (perfect_nestify): Remove mark/unmark
14299         for rewriting hack.
14300         * tree-loop-linear.c (linear_transform_loops): Add
14301         rewrite_into_ssa call so that ssa is correct for
14302         rewriting into loop closed.
14303
14304 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
14305
14306         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
14307         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
14308         BITMAP_FREE.
14309         * bt-load.c (btr_def_live_range, combine_btr_defs,
14310         migrate_btr_def, migrate_btr_defs): Likewise.
14311         * cfgcleanup.c (thread_jump): Likewise.
14312         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14313         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
14314         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
14315         df_rd_local_compute, df_reg_info_compute): Likewise.
14316         * dominance.c (init_dom_info, free_dom_info): Likewise.
14317         * flow.c (init_propagate_block_info,
14318         free_propagate_block_info): Likewise.
14319         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
14320         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
14321         modify_reg_pav): Likewise.
14322         * loop-invariant.c (find_defs, find_invariant_insn,
14323         find_invariants, free_inv_motion_data): Likewise.
14324         * predict.c (tree_predict_by_opcode,
14325         estimate_bb_frequencies): Likewise.
14326         * stmt.c (expand_case): Likewise.
14327         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
14328         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
14329         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
14330         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
14331         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
14332         rewrite_ssa_into_ssa): Likewise.
14333         * tree-optimize.c (tree_rest_of_compilation): Likewise.
14334         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
14335         analyze_edges_for_bb, perform_edge_inserts): Likewise.
14336         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
14337         * tree-sra.c (tree_sra): Likewise.
14338         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
14339         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
14340         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
14341         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
14342         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
14343         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
14344         Likewise.
14345         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
14346         calculate_live_on_entry, calculate_live_on_exit,
14347         build_tree_conflict_graph): Likewise.
14348         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
14349         record_important_candidates, set_use_iv_cost, find_depends,
14350         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
14351         tree_ssa_iv_optimize_finalize): Likewise.
14352         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
14353         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
14354         tree_duplicate_loop_to_header_edge): Likewise.
14355         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
14356         * tree-ssa.c (verify_flow_insensitive_alias_info,
14357         verify_name_tags, verify_ssa, init_tree_ssa,
14358         delete_tree_ssa): Likewise.
14359         * tree-ssanames.c (marked_ssa_names, init_ssanames,
14360         fini_ssanames): Likewise.
14361         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
14362
14363 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
14364
14365         * config/rs6000/t-rtems: Completely reworked.
14366
14367 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14368
14369         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
14370
14371 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14372
14373         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
14374         POINTER_TYPE_P when checking that type is a pointer.
14375         (vect_get_memtag): Remove.
14376         (vect_address_analysis): Use POINTER_TYPE_P. Call
14377         vect_object_analysis with dummy parameter for memtag.
14378         (vect_object_analysis): Extract memtag (functionality that
14379         used to be in vect_get_memtag and moved here). Fix printings.
14380         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
14381         with correct parameters. Remove call to vect_get_memtag.
14382
14383 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
14384
14385         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
14386         (tree-vectorizer.o): Added missing dependencies.
14387
14388         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
14389         decleration.
14390         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
14391         declaration in tree-vectorizer.c, now has an extern declaration in
14392         tree-vectorizer.h).
14393         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14394         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14395         get_vectype_for_scalar_type, vect_is_simple_use,
14396         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14397         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
14398         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
14399         vectorizable_store, vectorizable_operation, vectorizable_assignment,
14400         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
14401         find_loop_location): Likewise.
14402
14403         * tree-vectorizer.c (langhooks.h): #include removed.
14404         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
14405         moved to tree-vectorized.h.
14406         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14407         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14408         get_vectype_for_scalar_type, vect_is_simple_use,
14409         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14410         vect_supportable_dr_alignment, new_loop_vec_info,
14411         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
14412         vect_set_verbosity_level, find_loop_location): Likewise.
14413
14414         (vect_analyze_loop): Function externalized. Declaration moved to
14415         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
14416         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
14417         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
14418         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
14419         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
14420         vect_enhance_data_refs_alignment, vect_analyze_operations,
14421         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
14422         vect_stmt_relevant_p, vect_get_loop_niters,
14423         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
14424         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
14425         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
14426         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
14427         vect_get_memtag): Likewise.
14428
14429         (vectorizable_load): Function externalized. Declaration moved to
14430         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
14431         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
14432         vect_transform_loop): Likewise.
14433         (vect_transform_stmt): Moved to tree-vect-transform.c.
14434         (vect_align_data_ref, vect_create_destination_var,
14435         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
14436         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
14437         vect_get_vec_def_for_operand, vect_init_vector,
14438         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
14439         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
14440         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
14441         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
14442         vect_do_peeling_for_loop_bound): Likewise.
14443
14444         * tree-vect-analyze.c: New file.
14445         * tree-vect-transform.c: New file.
14446
14447 2005-02-17  Jason Merrill  <jason@redhat.com>
14448
14449         PR mudflap/19319, c++/19317
14450         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
14451         slot explicit.
14452
14453 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
14454
14455         * doc/install.texi (Specific): Update link for Darwin-specific
14456         tool binary site.
14457
14458 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
14459
14460         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
14461         constant_boolean_node.
14462
14463 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
14464
14465         PR target/19019
14466         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
14467         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
14468
14469 2005-02-16  Richard Henderson  <rth@redhat.com>
14470
14471         PR 19920
14472         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
14473         with W_TYPE_SIZE.
14474         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
14475         replace uses with Wtype_MAXp1_F.
14476         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
14477         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
14478         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
14479         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
14480         and HAVE_TFMODE as appropriate.
14481         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
14482         (__floatdisf): Likewise.
14483         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
14484         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
14485         (Wtype_MAXp1_F): New.
14486         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
14487         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
14488
14489 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
14490
14491         * PR target/19162
14492         * arm.c (arm_apply_result_size): New function.
14493         * arm.h (APPLY_RESULT_SIZE): Define.
14494         * arm-protos.h (arm_apply_result_size): Add prototype.
14495         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
14496         (movxf): New expand.
14497         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
14498         (call_value_symbol): Remove predicate for operand 0.
14499         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
14500         (untyped_call): Rework to correclty return values for any type.
14501         (untyped_return): New expand.
14502         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
14503
14504 2005-02-16  Stan Shebs  <shebs@apple.com>
14505
14506         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
14507         * config/rs6000/t-darwin8: New, for 64-bit multilib.
14508
14509 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
14510
14511         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
14512         configure settings on Solaris 7 and later.
14513
14514 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
14515
14516         PR tree-optimization/19865
14517         * tree-optimize.c (init_tree_optimization_passes): Run
14518         pass_may_alias after pass_sra.
14519
14520 2005-02-16  Richard Henderson  <rth@redhat.com>
14521             Stuart Hastings  <stuart@apple.com>
14522
14523         PR debug/19521
14524         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
14525         Do nothing if debug info suppressed for this function.
14526         (dbxout_begin_function): Early exit if debug info suppressed for
14527         this function.
14528
14529 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
14530
14531         PR target/20007
14532         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
14533         find_basic_blocks.
14534         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
14535
14536         PR tree-optimization/19967
14537         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
14538         expand_builtin_strchr, expand_builtin_strrchr): Take a new
14539         argument TYPE.  Adjust calls to fold_builtin_XXX.
14540         (expand_builtin, fold_builtin_1): Adjust calls to
14541         expand_builtin_XXX.
14542         (fold_builtin_strchr, fold_builtin_strpbrk,
14543         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
14544         result to a requested type TYPE.
14545
14546 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
14547
14548         PR middle-end/19857
14549         * fold-const.c (fold): Don't optimize (T)(x & cst) to
14550         (T)x & (T)cst if (T)cst overflows.
14551         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
14552         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
14553
14554 2005-02-15  Jeff Law  <law@redhat.com>
14555
14556         * gcse.c (blocks_with_calls): New bitmap.
14557         (alloc_gcse_mem): Allocate it.
14558         (free_gcse_mem): Free it.
14559         (clear_modifY_mem_tables): Clear it.
14560         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
14561         when we encounter CALL_INSNs.
14562         (compute_transp, case MEM): Handle blocks with calls separate
14563         from blocks without calls.  Use bitmap iterators rather than
14564         FOR_EACH_BB.
14565
14566 2005-02-15  Peter O'Gorman  <peter@pogma.com>
14567
14568         PR bootstrap/18810
14569         * mklibgcc.in (vis_hide): Use a temporary object file, not
14570         -o /dev/null.
14571
14572 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
14573
14574         PR target/19924
14575         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
14576         access optimization.
14577
14578 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
14579             Alan Modra  <amodra@bigpond.net.au>
14580
14581         PR target/19019
14582         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
14583         (_xlqsub): Rename to __gcc_qsub.
14584         (_xlqmul): Rename to __gcc_qmul.
14585         (_xlqdiv): Rename to __gcc_qdiv.
14586         Provide versioned symbol aliases with old names.
14587         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
14588         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
14589         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
14590         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
14591         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
14592
14593 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14594
14595         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
14596         Fold ~(A - 1) and ~(A + -1) to -A.
14597
14598 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14599
14600         PR pch/14940
14601         PR target/19300
14602         * config/host-linux.c (linux_gt_pch_use_address): Copy from
14603         config/pa/pa-host.c:pa_gt_pch_use_address.
14604
14605 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
14606
14607         * tree-vn.c (get_value_handle): Make sure that given an
14608         is_gimple_min_invariant expression, we always return it.
14609
14610 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
14611
14612         * passes.c (rest_of_handle_gcse): Fix a comment.
14613
14614 2005-02-15  Jeff Law  <law@redhat.com>
14615
14616         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
14617         bitmap.
14618         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
14619         (canon_list_insert, record_last_mem_set_info): Similarly.
14620         (clear_modify_mem_tables): Similarly.
14621
14622 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
14623
14624         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
14625         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
14626         config/mips/mips.md, config/rs6000/aix.h,
14627         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
14628
14629 2005-02-15  Richard Henderson  <rth@redhat.com>
14630
14631         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
14632         call to be best_edge.
14633
14634 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
14635
14636         * basic-block.h: Adjust the prototype for find_basic_blocks.
14637         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
14638         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
14639         find_basic_blocks.
14640
14641         * flow.c (recompute_reg_usage): Remove all arguments.
14642         * passes.c (rest_of_compilation): Adjust the call to
14643         recompute_reg_usage.
14644         * rtl.h: Adjust the prototype for recompute_reg_usage.
14645
14646 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
14647
14648         * tree-dump.c (dump_files): Update to reflect new member
14649         of dump_file_info.
14650         (dump_register): Add new argument.
14651         Set glob name.
14652         (dump_switch_p_1): Check against glob name if doglob was passed.
14653         (dump_switch_p): Check against regular first, then glob if
14654         we didn't have any hits on the dump name.
14655         * tree-optimize.c (register_one_dump_file):
14656         Pass in glob name as well.
14657         * tree-pass.h (struct dump_file_info): Add glob
14658         member.
14659
14660 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
14661
14662         PR preprocessor/16323
14663         * doc/invoke.texi: Document that -Wendif-labels is on by default.
14664
14665 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
14666
14667         PR target/19019
14668         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
14669         (trunctfdf2_internal1): New.
14670         (trunctfdf2_internal2): Renamed from trunctfdf2.
14671
14672 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
14673
14674         PR tree-optimization/19853
14675         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
14676
14677 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
14678
14679         * passes.c (rest_of_handle_loop_optimize): Remove calls to
14680         delete_dead_jumptables and cleanup_cfg.
14681
14682 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
14683
14684         * reload.c (find_reloads): Swap address_reloaded flags when
14685         swapping commutative operands.
14686
14687 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
14688
14689         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
14690         Use standard_iv_increment_position for computing the bsi position
14691         for create_iv.
14692         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
14693         the bsi position.
14694
14695 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
14696
14697         PR target/17428
14698         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
14699         life range of hard registers.
14700         * value-prof.c (insn_prefetch_values_to_profile): Only
14701         scan normal insns.
14702
14703         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
14704         profile in libcalls.
14705
14706 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
14707
14708         * bitmap.h (bitmap_and_compl_into): Return bool.
14709         * bitmap.c (bitmap_and_compl_into): Return changed flag.
14710
14711 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14712
14713         PR tree-optimization/19944
14714         * fold-const.c (fold): Re-add ABS_EXPR folding.
14715
14716 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
14717
14718         PR target/19019
14719         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
14720         {TARGET,MASK}_XL_COMPAT.
14721         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
14722         MASK_XL_COMPAT.
14723         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
14724         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
14725         TARGET_XL_COMPAT.
14726         (rs6000_arg_partial_bytes): Same.
14727         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
14728         and XL compatibility enabled.
14729         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
14730         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
14731         test to final condition.
14732         (cmptf_internal2): New.
14733         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
14734         xl-compat.  Add TFmode information to description.
14735
14736 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
14737
14738         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
14739
14740 2005-02-13  Jason Merrill  <jason@redhat.com>
14741
14742         PR c++/16405
14743         * fold-const.c (fold_indirect_ref_1): Split out from...
14744         (build_fold_indirect_ref): Here.
14745         (fold_indirect_ref): New fn.
14746         * tree.h: Declare it.
14747         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
14748         (gimplify_modify_expr_rhs): Likewise.
14749         (gimplify_expr): Likewise.
14750
14751 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14752
14753         PR tree-optimization/14303
14754         PR tree-optimization/15784
14755         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
14756         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
14757         ABS_EXPR<x> != 0 to x != 0.
14758
14759 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
14760
14761         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
14762         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
14763         spelling conventions.
14764
14765         * passes.c (rest_of_handle_gcse): Don't run cse_main and
14766         delete_trivially_dead_insns too many times.
14767
14768         * passes.c (rest_of_handle_gcse): Remove dead assignments to
14769         tem and tem2.
14770
14771 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14772
14773         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
14774         (vect_is_simple_iv_evolution): Remove redundant parameter
14775         and step check.
14776         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
14777         without last parameter.
14778         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
14779         Return pointer step. Call vect_is_simple_iv_evolution without
14780         last parameter. Check only that the step is multiple of size
14781         type. Remove stmt_vinfo updates.
14782         (vect_get_memtag_and_dr): Remove.
14783         (vect_get_memtag): New function.
14784         (vect_address_analysis): New function.
14785         (vect_object_analysis): New function.
14786         (vect_analyze_data_refs): Call vect_object_analysis and
14787         vect_get_memtag. Update stmt_vinfo fields.
14788
14789 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14790
14791         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
14792         exist and are objects. Remove checks for pointer.
14793         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
14794         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
14795         (vect_create_data_ref_ptr): Likewise.
14796         (vect_base_addr_differ_p): New function.
14797         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
14798         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
14799         Don't set the DR_BASE_NAME field of data-ref.
14800         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
14801
14802 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
14803
14804         * optabs.h (enum optab_index): Add new OTI_ldexp.
14805         (ldexp_optab): Define corresponding macro.
14806         * optabs.c (init_optabs): Initialize ldexp_optab.
14807         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14808         patterns.
14809         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14810         using ldexp_optab.
14811         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14812         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14813
14814         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14815         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14816         intrinsics.
14817
14818 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14819
14820         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14821         to base_address.
14822         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14823         stmt_vec_info.
14824         (vect_get_base_and_offset): Always return an address.
14825         (vect_create_addr_base_for_vector_ref): Remove treatment for
14826         different data reference types.
14827         (vect_compute_data_ref_alignment): Rename base to base_address in
14828         stmt_vec_info. Get the object in order to force its alignment.
14829         (vect_get_memtag_and_dr): Rename base to base_address in
14830         stmt_vec_info. Extract the object for memtag analysis.
14831
14832 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14833
14834         PR regression/19898.
14835         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14836         changes cc_status, use apply modified_in_p to part of cc_status
14837         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14838         body.
14839
14840 2005-02-11  Richard Henderson  <rth@redhat.com>
14841
14842         * tree-complex.c (expand_complex_libcall): New.
14843         (expand_complex_multiplication): Use it for c99 compliance.
14844         (expand_complex_division): Likewise.
14845         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14846         (fold): Call them.
14847         * builtins.c (built_in_names): Remove const.
14848         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14849         builtins.
14850         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14851         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14852         (built_in_names): Remove const.
14853         * c-common.c (c_common_type_for_mode): Handle complex modes.
14854         * flags.h, toplev.c (flag_complex_method): Rename from
14855         flag_complex_divide_method.
14856         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14857         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14858         * libgcc2.h: Declare them.
14859         * libgcc-std.ver: Export them.
14860         * mklibgcc.in (lib2funcs): Build them.
14861
14862 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14863
14864         PR tree-optimization/19876
14865         Partially revert my change from 2005-01-14
14866         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14867         (compute_antic): ...and remove the loop here.
14868
14869 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14870
14871         PR middle-end/19858
14872         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14873         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14874
14875         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14876         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14877
14878 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14879
14880         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14881         offsets for the big-endian 32-bit case.
14882
14883 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14884
14885         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14886
14887 2005-02-11  Dale Johannesen  <dalej@apple.com>
14888
14889         * cselib.c (cselib_process_insn):  Clear out regs where
14890         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14891         * reload.c (find_equiv_reg): Ditto.
14892
14893 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14894
14895         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14896         with no elements.
14897
14898         * tree.c (build_function_type_list): Work correctly if there are
14899         no arguments.
14900
14901 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14902
14903         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14904         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14905         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14906         TARGET_ZARCH instead of TARGET_64BIT.
14907
14908 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14909
14910         * config/rs6000/t-rtems:
14911         (MULTILIB_OPTIONS): Remove mcpu=602.
14912         (MUTLILIB_DIRNAMES): Remove m602.
14913         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14914         Let mcpu=602 match mcpu=603.
14915         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14916
14917 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14918
14919         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14920         signal trampolines.
14921
14922 2005-02-10  David Daney  <ddaney@avtrex.com>
14923
14924         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14925         * config/i386/linux-unwind.h: Likewise.
14926         * config/ia64/linux-unwind.h: Likewise.
14927         * config/mips/linux-unwind.h: Likewise.
14928         * config/pa/linux-unwind.h: Likewise.
14929         * config/rs6000/linux-unwind.h: Likewise.
14930         * config/s390/linux-unwind.h: Likewise.
14931         * config/sh/linux-unwind.h: Likewise.
14932         * config/sparc/linux-unwind.h: Likewise.
14933
14934 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14935
14936         PR tree-optimization/17549
14937         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14938         TER to replace a DEF with its expression if the DEF and the
14939         rhs of the expression we replace into have the same root
14940         variable.
14941
14942 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14943
14944         * config/mips/mips.md: Fix the placement of the match_scratch in the
14945         lea64 peephole2.
14946
14947 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14948
14949         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14950         Fix comment typos.
14951
14952 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14953
14954         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14955         (strip_offset): Handle addresses.
14956         (add_address_candidates): Use strip_offset.
14957         (difference_cost): Reflect strip_offset change.
14958         (force_var_cost, difference_cost): Strip nops.
14959
14960 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14961
14962         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14963
14964         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14965         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14966         config/cris/cris-protos.h, config/cris/cris.c: Update
14967         copyright.
14968
14969 2005-02-10  Jeff Law  <law@redhat.com>
14970
14971         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14972         (lookup_avail_expr): Similarly.
14973
14974 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14975
14976         * builtins.c (fold_builtin_powi): New function.
14977         (fold_builtin_1): Call it.
14978
14979 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14980
14981         PR documentation/19309
14982         * doc/cpp.texi: The __GNUC__ and related predefined macros
14983         are also defined for the "standalone" cpp.
14984         Some non-GCC compilers may also define __GNUC__.
14985
14986 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14987
14988         PR c/19342
14989         * c-typeck.c (common_type): New routine.  Old common_type renamed
14990         to...
14991         (c_common_type): ...this.
14992         (build_conditional_expr, build_binary_op): Use c_common_type instead
14993         of common_type.
14994
14995 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14996
14997         * doc/md.texi: Replace @samp{length} with @code{length}.
14998
14999 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
15000
15001         PR tree-optimization/18687
15002         * tree-flow.h (find_loop_niter): Declare.
15003         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
15004         Try using scev even for loops with more than one exit.
15005         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
15006         (struct ivopts_data): Added niters field.
15007         (struct nfe_cache_elt): New.
15008         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
15009         functions.
15010         (tree_ssa_iv_optimize_init): Initialize niters cache.
15011         (determine_number_of_iterations): Removed.
15012         (find_induction_variables): Do not call determine_number_of_iterations.
15013         Access niters for single exit through niter_for_single_dom_exit.
15014         (add_iv_outer_candidates): Access niters for single exit through
15015         niter_for_single_dom_exit.
15016         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
15017         number_of_iterations_cond.
15018         (iv_period): New function.
15019         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
15020         (may_replace_final_value): Take data argument.  Use
15021         niter_for_single_dom_exit.
15022         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
15023         (rewrite_use_compare): Pass data to may_eliminate_iv.
15024         (rewrite_use_outer): Pass data to may_replace_final_value.
15025         (free_loop_data): Clean up the niters cache.
15026         (tree_ssa_iv_optimize_finalize): Free the niters cache.
15027         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
15028         * tree-ssa-loop-niter.c (find_loop_niter): New function.
15029         (find_loop_niter_by_eval): Use tree_int_cst_lt.
15030         (num_ending_zeros): Moved to tree.c.
15031         * tree.h (num_ending_zeros): Declare.
15032         * tree.c (num_ending_zeros): Moved from tree.c.
15033
15034 2005-02-09  Richard Henderson  <rth@redhat.com>
15035
15036         * builtins.c (DEF_BUILTIN): Add COND argument.
15037         * tree.h (DEF_BUILTIN): Likewise.
15038         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
15039         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
15040         match.
15041         (DEF_BUILTIN_STUB): New.
15042         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
15043         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
15044         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
15045         * c-common.c (DEF_BUILTIN): Add COND argument.
15046         * tree.c (local_define_builtin): New.
15047         (build_common_builtin_nodes): New.
15048
15049 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15050
15051         * fold-const.c (fold_strip_sign_ops): New function to simplify a
15052         floating point expression ignoring the sign of the result.
15053         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
15054         (fold) <MULT_EXPR>: Use it to simplify x*x.
15055         * tree.h (fold_strip_sign_ops): Prototype here.
15056         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
15057         argument.  Use fold_strip_sign_ops to simplify the first argument.
15058         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
15059         first argument when the second argument is an even integer
15060         constant, but only with -funsafe_math_optimizations.
15061         (fold_builtin_1): Update call to fold_builtin_copysign.
15062
15063 2005-02-09  Ian Lance Taylor  <ian@airs.com>
15064
15065         PR middle-end/19583
15066         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
15067         just check whether EH_FILTER_FAILURE falls through.
15068
15069 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
15070
15071         * gcc/haifa-sched.c (schedule_block): Make queued sched group
15072         insns return to ready list in the next turn.
15073
15074 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15075
15076         PR middle-end/19402
15077         * builtins.def: New __builtin_powi[lf].
15078         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
15079         (expand_builtin_powi): New function.
15080         (expand_builtin): Dispatch to expand_builtin_powi.
15081         * libgcc2.h: Add prototypes for __builtin_powi[lf].
15082         * libgcc2.c: Add __builtin_powi[lf] implementation.
15083         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
15084         * optabs.h: Add powi_optab.
15085         * optabs.c (init_optabs): Initialize powi_optab.
15086         * doc/extend.texi: Document __builtin_powi[lf].
15087
15088 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
15089
15090         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
15091         exists.
15092
15093 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15094
15095         PR middle-end/19854
15096         * fold-const.c (try_move_mult_to_index): Remove redundant
15097         type argument.  Create ADDR_EXPR with correct type.
15098         (fold): Update callers of try_move_mult_to_index.  Convert
15099         result to the appropriate type.
15100
15101 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15102
15103         PR target/19597
15104         * config/avr/avr.c (default_rtx_costs): Delete.
15105         (avr_operand_rtx_cost): New function.
15106         (avr_rtx_costs): Completely rewrite.
15107
15108 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
15109
15110         PR target/19806
15111         * config/cris/cris.c (in_code): New variable.
15112         (cris_output_addr_const): Now a static function, a wrapper for
15113         output_addr_const.
15114         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
15115         case from old cris_output_addr_const.
15116         (cris_asm_output_label_ref): Similar for LABEL_REF.
15117         (cris_output_addr_const_extra): Similar for UNSPEC.
15118         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
15119         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
15120         * config/cris/cris-protos.h (cris_output_addr_const): Remove
15121         declaration.
15122         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
15123         (cris_asm_output_label_ref): Declare.
15124
15125 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
15126
15127         PR preprocessor/19801
15128         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
15129         filenames that changed when libcpp was moved to the toplevel.
15130
15131 2005-02-07  Roger Sayle  <roger@eyesopen.com>
15132
15133         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15134         zero extensions of BImode operands.  Call lowpart_subreg instead
15135         of gen_lowpart_common and gen_lowpart_SUBREG.
15136
15137 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
15138
15139         PR ada/19489
15140         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
15141         * configure.ac: Set cc_for_cross_gnattools.
15142         * configure: Regenerate.
15143
15144 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
15145
15146         PR target/19803
15147         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
15148
15149 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15150
15151         PR debug/19327
15152         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
15153         of nested functions.
15154
15155 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
15156
15157         * doc/extend.texi: Document deprecated extensions allowing
15158         static floating-point members to have initializers and allowing
15159         floating-point literals in integral constant expressions.
15160
15161 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
15162
15163         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
15164         config/darwin7.h, config/mips/mips.c,
15165         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
15166         Update copyright.
15167
15168         * cse.c: Update comments.
15169
15170 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
15171
15172         PR middle-end/19775
15173         * builtins.c (fold_builtin_sqrt): Transform
15174         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
15175         pow(x,y*0.5).
15176
15177 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
15178             Dorit Naishlos  <dorit@il.ibm.com>
15179
15180         * doc/invoke.texi (ftree-vectorizer-verbose): New.
15181         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
15182         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
15183         was added.
15184         * tree.h (vect_set_verbosity_level): New extern function declaration
15185         added.
15186         * tree-vectorizer.h (verbosity_levels): New enum type.
15187         * tree-vectorizer.c (vect_debug_stats): Function removed.
15188         (vect_debug_details): Likewise.
15189         (vect_verbosity_level): Global variable was defined and initialized.
15190         (vect_dump): Global variable definition.
15191         (vect_print_dump_info): New function.
15192         (vect_set_dump_settings): New function.
15193         (vect_set_verbosity_level): New function.
15194         (vectorize_loops): Add call to vect_set_dump_settings.
15195
15196         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
15197         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15198         (slpeel_tree_peel_loop_to_edge): Likewise.
15199
15200         (vect_analyze_offset_expr): Call to vect_print_dump_info with
15201         appropriate verbosity level instead of call to vect_debug_details
15202         or vect_debug_stats.
15203         (vect_get_base_and_offset):
15204         (vect_create_addr_base_for_vector_ref):
15205         (get_vectype_for_scalar_type):
15206         (vect_create_data_ref_ptr):
15207         (vect_init_vector):
15208         (vect_get_vec_def_for_operand):
15209         (vect_finish_stmt_generation):
15210         (vectorizable_assignment):
15211         (vectorizable_operation):
15212         (vectorizable_store):
15213         (vectorizable_load):
15214         (vect_transform_stmt):
15215         (vect_update_ivs_after_vectorizer):
15216         (vect_do_peeling_for_loop_bound):
15217         (vect_update_inits_of_drs):
15218         (vect_do_peeling_for_alignment):
15219         (vect_transform_loop):
15220         (vect_is_simple_use):
15221         (vect_analyze_operations):
15222         (vect_is_simple_iv_evolution):
15223         (vect_analyze_scalar_cycles):
15224         (vect_analyze_data_ref_dependence):
15225         (vect_analyze_data_ref_dependences):
15226         (vect_compute_data_ref_alignment):
15227         (vect_enhance_data_refs_alignment):
15228         (vect_analyze_data_refs_alignment):
15229         (vect_analyze_data_ref_access):
15230         (vect_analyze_data_ref_accesses):
15231         (vect_analyze_pointer_ref_access):
15232         (vect_get_memtag_and_dr):
15233         (vect_analyze_data_refs):
15234         (vect_mark_relevant):
15235         (vect_stmt_relevant_p):
15236         (vect_mark_stmts_to_be_vectorized):
15237         (vect_can_advance_ivs_p):
15238         (vect_get_loop_niters):
15239         (vect_analyze_loop_form):
15240         (vect_analyze_loop):
15241         (vectorize_loops): Likewise.
15242
15243         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
15244         (vect_update_inits_of_drs):
15245         (vect_do_peeling_for_alignment):
15246         (vect_transform_loop):
15247         (vect_analyze_operations):
15248         (vect_analyze_scalar_cycles):
15249         (vect_analyze_data_ref_dependences):
15250         (vect_analyze_data_refs_alignment):
15251         (vect_analyze_data_ref_accesses):
15252         (vect_analyze_data_refs):
15253         (vect_mark_stmts_to_be_vectorized):
15254         (vect_get_loop_niters):
15255         (vect_analyze_loop_form):
15256         (vect_analyze_loop): Likewise.
15257         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
15258
15259 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
15260
15261         PR bootstrap/19796
15262         Revert:
15263         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15264         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15265         either -ffast-math or -funsafe-math-optimizations is in use.
15266
15267         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15268         * config/mips/irix-csr.c: New file.
15269         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15270         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15271         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15272         executables.
15273
15274 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
15275
15276         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
15277         redundant, incorrect definitions.
15278
15279         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
15280         expand.
15281         ("*tls_indirect_call"): New, reference hard regs directly.
15282         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
15283
15284 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15285
15286         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
15287         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
15288
15289 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15290
15291         PR rtl-optimization/19800
15292         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
15293         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
15294         gen_lowpart.
15295
15296 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15297
15298         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
15299
15300 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
15301
15302         PR other/17135
15303         * doc/invoke.texi: Correct documentation of -freorder-functions.
15304
15305 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15306
15307         PR other/14402
15308         * doc/invoke.texi: Don't mention gccbug.
15309
15310 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15311             Andrew Pinski  <pinskia@physics.uc.edu>
15312             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
15313
15314         * simplify-rtx.c (simplify_relational_operation_1): Simplify
15315         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
15316         into just (zero_extract:SI FOO (const_int 1) BAR).
15317
15318 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15319
15320         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
15321         macro locally.  Don't give last revision date.  Use GCC version
15322         number from gcc-common.texi.
15323         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
15324         revision date.  Use GCC version number from gcc-common.texi.
15325         Describe being a library as current state rather than as 3.x
15326         history.
15327         * doc/gcc.texi: Remove last update date.
15328         * doc/gccint.texi: Likewise.  Update copyright dates.
15329         * doc/install.texi: Update copyright dates.
15330
15331 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15332
15333         PR other/7549
15334         * doc/invoke.texi: Mention for each option included in -Wall that
15335         it is included in -Wall.
15336         * doc/gcc.texi: Update copyright and last modification date.
15337
15338 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15339
15340         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
15341         unnecessary cast to original induction variable increments.
15342
15343 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15344
15345         PR tree-optimization/18219
15346         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
15347         in distributed form.
15348
15349 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
15350
15351         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
15352         Set bitpos and offset later in the function.  Do nothing if the
15353         target is a register and if the bitfield lies completely outside
15354         that register.
15355         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
15356         here.  Return an uninitialised register if the source value is stored
15357         in a register and the bitfield lies completely outside that register.
15358
15359 2005-02-06  Steven Bosscher  <stevenb@suse.de>
15360
15361         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
15362         not SET_DEST.
15363
15364 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
15365
15366         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
15367
15368 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
15369
15370         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
15371         * config/darwin8.h: New.
15372         * config/darwin7.h: Update comment.
15373
15374 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15375             Dorit Naishlos  <dorit@il.ibm.com>
15376
15377         * tree-vectorizer.h (LOC): New type.
15378         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
15379         (loop_line_number): New field in struct _loop_vec_info.
15380         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
15381
15382         * tree-vectorizer.c (input.h): Included.
15383         (find_loop_location): New function.
15384         (vect_debug_stats): Argument changed from loop to LOC. Computation of
15385         loop line number removed.
15386         (vect_debug_details): Likewise.
15387         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
15388
15389         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
15390         call to vect_debug_details/stats changed from loop to loop_loc.
15391         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15392         (slpeel_tree_peel_loop_to_edge): Likewise.
15393
15394         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
15395         changed from NULL to UNKNOWN_LOC.
15396         (vect_get_base_and_offset):
15397         (vect_create_addr_base_for_vector_ref):
15398         (get_vectype_for_scalar_type):
15399         (vect_create_data_ref_ptr):
15400         (vect_init_vector):
15401         (vect_get_vec_def_for_operand):
15402         (vect_finish_stmt_generation):
15403         (vectorizable_assignment):
15404         (vectorizable_operation):
15405         (vectorizable_store):
15406         (vectorizable_load):
15407         (vect_transform_stmt):
15408         (vect_update_ivs_after_vectorizer):
15409         (vect_do_peeling_for_loop_bound):
15410         (vect_do_peeling_for_alignment):
15411         (vect_transform_loop):
15412         (vect_is_simple_use):
15413         (vect_analyze_operations):
15414         (vect_is_simple_iv_evolution):
15415         (vect_analyze_scalar_cycles):
15416         (vect_analyze_data_ref_dependences):
15417         (vect_compute_data_ref_alignment):
15418         (vect_enhance_data_refs_alignment):
15419         (vect_analyze_data_ref_access):
15420         (vect_analyze_data_ref_accesses):
15421         (vect_analyze_pointer_ref_access):
15422         (vect_get_memtag_and_dr):
15423         (vect_analyze_data_refs):
15424         (vect_mark_relevant):
15425         (vect_stmt_relevant_p):
15426         (vect_mark_stmts_to_be_vectorized):
15427         (vect_can_advance_ivs_p):
15428         (vect_get_loop_niters):
15429         (vect_analyze_loop):
15430         (vectorize_loops): Likewise.
15431
15432         (vectorizable_load): Argument in call to vect_debug_details/stats
15433         changed from loop to LOOP_LOC (loop_vinfo).
15434         (vect_transform_loop):
15435         (vect_analyze_operations):
15436         (vect_analyze_scalar_cycles):
15437         (vect_analyze_data_ref_dependence):
15438         (vect_enhance_data_refs_alignment):
15439         (vect_analyze_data_ref_accesses):
15440         (vect_analyze_pointer_ref_access):
15441         (vect_analyze_data_refs):
15442         (vect_analyze_loop): Likewise.
15443
15444         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
15445         changed from loop to loop_loc.
15446
15447         (vect_enhance_data_refs_alignment): Removed unused variable loop.
15448
15449 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15450             Dorit Naishlos  <dorit@il.ibm.com>
15451
15452         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
15453         declaration added.
15454         (vect_analyze_data_ref_dependences): Likewise.
15455
15456         (vect_is_simple_use): Argument changed from loop structure to
15457         loop_vect_info structure.
15458         (vect_can_advance_ivs_p): Likewise.
15459         (vect_create_index_for_vector_ref): Likewise.
15460         (vect_update_ivs_after_vectorizer): Likewise.
15461         (new_stmt_vec_info): Likewise.
15462
15463         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
15464         changed from loop to loop_vinfo.
15465         (vect_create_data_ref_ptr): First argument in call to
15466         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
15467         (vectorizable_assignment): Second argument in call to vect_is_simple_use
15468         was changed from loop to loop_vinfo.
15469         (vectorizable_operation): Likewise.
15470         (vectorizable_store): Likewise.
15471         (vect_mark_stmts_to_be_vectorized): Likewise.
15472         (vect_do_peeling_for_loop_bound): First argument in call to
15473         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
15474         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
15475         was changed from loop to loop_vinfo.
15476         (vect_analyze_data_ref_dependences): Third argument in call to
15477         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
15478
15479         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
15480         (vect_create_data_ref_ptr): Likewise.
15481         (vect_init_vector): Likewise.
15482         (vect_get_vec_def_for_operand): Likewise.
15483         (vectorizable_assignment): Likewise.
15484         (vectorizable_operation): Likewise.
15485         (vectorizable_store): Likewise.
15486         (vectorizable_load): Likewise.
15487         (vect_update_ivs_after_vectorizer): Likewise.
15488         (vect_is_simple_use): Likewise.
15489         (vect_analyze_data_ref_dependence): Likewise.
15490         (vect_analyze_pointer_ref_access): Likewise.
15491         (vect_can_advance_ivs_p): Likewise.
15492
15493         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
15494         before _stmt_vec_info.
15495         (_stmt_vec_info): Loop field replaced by loop_vec_info.
15496         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
15497         (new_stmt_vec_info): Argument changed from loop structure to
15498         loop_vect_info structure
15499
15500         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
15501         (vect_analyze_offset_expr): Avoid 80 columns overflow.
15502         (vect_create_addr_base_for_vector_ref): Likewise.
15503         (vect_analyze_pointer_ref_access): Likewise.
15504
15505 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15506
15507         PR tree-opt/19768
15508         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
15509         phi flag if the phi is abnormal.
15510
15511 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15512
15513         PR tree-opt/19736
15514         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
15515         information for the new statement.
15516
15517 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15518
15519         PR driver/19117
15520         * gcc.c (main): Include the target in -v output.
15521
15522 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
15523
15524         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
15525         Do not drop the extend if we'd have to add a paradoxical subreg
15526         later.  Include optabs.h and insn-codes.h.
15527         * Makefile.in (combine.o): Depend on $(OPTABS_H).
15528
15529 2005-02-02  Roger Sayle  <roger@eyesopen.com>
15530
15531         PR middle-end/19405
15532         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
15533         * fold-const.c (const_binop): Avoid constant folding floating
15534         point operations in modes that use composite representations.
15535         * simplify-rtx.c (simplify_binary_operation): Likewise.
15536
15537 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
15538
15539         * config/rs6000/altivec.md (altivec_dst): Make the first operand
15540         a REG, not a MEM.
15541         (altivec_dstt): Likewise.
15542         (altivec_dstst): Likewise.
15543         (altivec_dststt): Likewise.
15544         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
15545         of first operand.
15546
15547 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15548
15549         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
15550         EXPR_LOCUS from orig_cond to the new cond_stmt.
15551         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
15552         the new vec_stmt.
15553
15554 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15555
15556         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
15557         standard_iv_increment_position. Remove call to bsi_next
15558         (no need to bump the iterator anymore).
15559         (vect_create_index_for_vector_ref): Call
15560         standard_iv_increment_position. Remove second function argument.
15561         (vect_finish_stmt_generation): Remove call to bsi_next
15562         (no need to bump the iterator anymore).
15563         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
15564         to vect_create_index_for_vector_ref.
15565
15566 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15567
15568         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
15569         phis are used out of the loop.
15570
15571 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15572
15573         PR c/17807
15574         * c-decl.c (undef_nested_function): New variable.
15575         (pop_scope): Diagnose undefined nested functions.
15576         (finish_function): Don't attempt cgraph processing or genericizing
15577         if current top-level function contained an undefined nested
15578         function.  Reset undef_nested_function at the end of a top-level
15579         function.
15580
15581 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
15582
15583         * tree.c (build_int_cst_type): Take sign of the value into account
15584         when deciding whether sign extend the value.
15585
15586 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15587
15588         PR c/18502
15589         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
15590         (cpp_options, cc1_options): Change %{std*&ansi} to
15591         %{std*&ansi&trigraphs}.
15592
15593 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
15594
15595         * cse.c: Update comments.
15596
15597 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
15598
15599         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
15600         arguments go on the stack.  Do not put complex doubles in odd/even
15601         pairs.
15602
15603 2005-02-02  Steven Bosscher  <stevenb@suse.de>
15604
15605         * doc/invoke.texi: Update the options enabled at -O1, -O2,
15606         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
15607         -ftree-pre, and -fthread-jumps.
15608
15609 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
15610
15611         PR tree-optimization/19578
15612         * tree-flow.h (modified_noreturn_calls): Declare.
15613         (noreturn_call_p): Declare.
15614         * tree-flow-inline.h (noreturn_call_p): New function.
15615         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
15616         * tree-cfg.c (modified_noreturn_calls): New variable.
15617         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
15618         that contain a mid-block noreturn call.
15619         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
15620
15621 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
15622
15623         * df.c (df_def_record_1, df_uses_record): Don't use
15624         DF_FOR_REGALLOC.
15625         * df.h (DF_FOR_REGALLOC): Remove.
15626
15627 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15628
15629         PR c/19435
15630         * c-typeck.c (really_start_incremental_init): Reset
15631         constructor_max_index for arrays of incomplete type.
15632
15633 2005-02-02  Jeff Law  <law@redhat.com>
15634
15635         * gcse.c (struct reg_set): Store the block index where the register
15636         was set rather than the setting insn.
15637         (record_one_set, compute_transp): Corresponding changes.
15638         (pre_insert_copy_insn): Do not call replace_one_set.
15639         (replace_one_set): Remove.
15640
15641 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15642
15643         PR other/15514
15644         * doc/gcov.texi: Fix typo.
15645
15646 2005-02-01  Richard Henderson  <rth@redhat.com
15647
15648         PR target/19680
15649         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
15650         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
15651         type to bool.
15652         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
15653         * config/i386/i386-protos.h: Update.
15654
15655 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15656
15657         PR tree-optimization/19217
15658         * tree-cfg.c (verify_expr): Use the data field to see if TP was
15659         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
15660         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
15661         that it is walking a PHI node.
15662
15663 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
15664
15665         * doc/extend.texi (Nested Functions): Update.
15666
15667 2005-02-01  Richard Henderson  <rth@redhat.com>
15668
15669         PR 19696
15670         * optabs.c (expand_copysign_absneg): Export.
15671         * optabs.h (expand_copysign_absneg): Declare.
15672         * config/rs6000/rs6000.md (copysigntf3): New.
15673
15674 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15675
15676         PR tree-optimization/19633
15677         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
15678         * tree-ssa-alias.c (init_alias_info): Initialize.
15679         (merge_pointed_to_info): Set.
15680         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
15681         (dump_points_to_info_for): Show value of pt_null.
15682         (struct count_ptr_d): Declare.
15683         (find_ptr_dereference): Remove.
15684         (ptr_is_dereferenced_by): Remove.
15685         (count_ptr_derefs): New local function.
15686         (count_uses_and_derefs): New local function.
15687         (compute_points_to_and_addr_escape): Call it.  If the number
15688         of dereferences is greater than zero, mark the pointer as
15689         dereferenced.  If there are fewer dereferences than uses of
15690         the pointer, the pointer's value escapes.
15691
15692 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15693
15694         PR tree-optimization/19670
15695         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
15696         here...
15697         (verify_use): ... set it here, instead.
15698
15699 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
15700
15701         * doc/sourcebuild.texi (Test directives): Fix formatting.
15702
15703         * doc/sourcebuild.texi (Test directives): Describe selector
15704         expressions.
15705
15706 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
15707
15708         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
15709         specific 64-bit CPUs.
15710
15711 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
15712
15713         PR target/16201
15714         * arm.c (arm_eliminable_register): New function.
15715         (adjacent_mem_locations): Don't allow eliminable registers.  Use
15716         HOST_WIDE_INT for address offsets.
15717         * arm-protos.h (arm_eliminable_register): Add prototype.
15718
15719 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15720
15721         PR optimization/15242
15722         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
15723         * basic-block.h (duplicate_computed_gotos): Add prototype.
15724         * bb-reorder.c (duplicate_computed_gotos): New function to
15725         duplicate sufficiently small blocks ending in a computed jump.
15726         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
15727         if not optimizing for size.
15728         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
15729         never do tail merging for blocks ending in a computed jump.
15730         * doc/invoke.texi: Document the max-goto-duplication-insns param.
15731
15732 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
15733
15734         Patch from Richard Sandiford <rsandifo@redhat.com>
15735         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
15736         from inheriting a subreg equivalence with a non-spill register.
15737
15738         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
15739
15740 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
15741
15742         * config/frv/frv.c (movcc_fp_destination_operand): New.
15743         (gpr_or_memory_operand): Fix typo in comment.
15744         (gpr_or_memory_operand_with_scratch): New.
15745         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
15746         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
15747         movcc_fp_destination_operand.
15748         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
15749         Legitimize memory addresses using a scratch register.
15750
15751 2005-01-31  Jeff Law  <law@redhat.com>
15752
15753         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
15754         bitmap a sparse bitmap instead of a simple bitmap.
15755         (mark_def_sites_initialize_block):  Corresponding changes.
15756         (ssa_mark_def_sites_initialize_block): Likewise.
15757         (ssa_mark_phi_uses): Likewise.
15758         (mark_def_site, ssa_mark_def_sites): Likewise.
15759         (mark_def_site_blocks): Likewise.
15760         (rewrite_ssa_into_ssa): Likewise.
15761
15762         * tree-ssa-dom.c (record_cond): Pass correct variable type
15763         for last argument to htab_find_slot_with_hash.
15764
15765         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
15766         effects when optimizing 0 % X.  Do not try to optimize X % 0.
15767
15768 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
15769
15770         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
15771         1_mmalua.
15772
15773 2005-02-01  Eric Christopher  <echristo@redhat.com>
15774
15775         * config/mips/mips.c (override_options): Warn if -mint64
15776         is used.
15777         * doc/invoke.texi (MIPS Options): Document that -mint64 is
15778         deprecated.
15779
15780 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
15781
15782         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
15783         timestamp.
15784         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
15785         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
15786         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
15787         (cached_regno): Initialize to INVALID_REGNUM.
15788         (cse_reg_info_table_size,
15789         cse_reg_info_table_first_uninitialized,
15790         cse_reg_info_timestamp): New.
15791         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
15792         get_cse_reg_info.
15793         (init_cse_reg_info, get_cse_reg_info_1): New.
15794         (get_cse_reg_info): Cache the last look-up.
15795         (new_basic_block): Update the code to clear mappings from
15796         registers to cse_reg_info entries.
15797         (cse_main): Call init_cse_reg_info.
15798
15799         * cse.c (get_cse_reg_info): Update a comment.
15800
15801 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15802
15803         PR c/19333
15804         * c-decl.c (start_decl): Do not warn about arrays of elements with
15805         an incomplete type here.
15806         (grokdeclarator): Do it here by making a pedwarn an error.
15807         * c-typeck.c (push_init_level): If there were previous errors with
15808         the constructor type, do not warn about braces for initializers.
15809         (process_init_element): Likewise for excess initializer elements.
15810
15811 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15812
15813         * cse.c (delete_trivially_dead_insn): Don't iterate.
15814
15815 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15816
15817         * config/rs6000/rs6000.md (copysignsf3): New expand.
15818         (copysigndf3): Likewise.
15819
15820 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15821
15822         * recog.c (constrain_operands): Only look for earlyclobber operand
15823         conflicts if an '&' constraint was seen.
15824
15825 2005-01-31  Marc Espie <espie@openbsd.org>
15826
15827         * config.gcc: Don't include embedded systems fragment, switches default
15828         debugging format to ELF.
15829         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15830         longer pick it up there.
15831
15832 2005-01-31  Dale Johannesen  <dalej@apple.com>
15833
15834         * doc/extend.texi (nested functions): Fix linkage description.
15835         Clarify that static is not allowed.
15836
15837 2005-01-31  Dale Johannesen  <dalej@apple.com>
15838
15839         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15840         (movdf_low_di):  Make work.
15841
15842 2005-01-31  Dale Johannesen  <dalej@apple.com>
15843
15844         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15845         Make work for 64 bit.
15846
15847 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15848             Dale Johannesen  <dalej@apple.com>
15849
15850         PR middle-end/19650
15851         * fold-const.c (fold_binary_op_with_conditional_arg):
15852         Make types match original operands, before STRIP_NOPS.
15853
15854 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15855
15856         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15857         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15858         (struct gcc_sigcontext): Delete.  Merge contents to..
15859         (struct gcc_ucontext): ..here.
15860         (get_sigcontext): Delete.
15861         (get_regs): New function, like get_sigcontext but return regs ptr.
15862         64-bit version finds regs from r1 to support vdso.
15863         (ppc_linux_aux_vector): New function.
15864         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15865         and vector regs.
15866
15867 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15868
15869         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15870         sizetype.
15871         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15872         redundant fold. Fix misalignment for MINUS_EXPR.
15873         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15874         (vect_analyze_pointer_ref_access): Likewise.
15875         (vect_get_memtag_and_dr): Likewise.
15876
15877 2005-01-31  Richard Henderson  <rth@redhat.com>
15878
15879         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15880         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15881         absnegdf2_i387, absnegxf2_i387): Likewise.
15882
15883 2005-01-31  Richard Henderson  <rth@redhat.com>
15884
15885         PR 19696
15886         * optabs.c (expand_copysign_absneg): New.
15887         (expand_copysign_bit): Split out from ...
15888         (expand_copysign): ... here.  Use expand_copysign_absneg.
15889
15890 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15891
15892         PR middle-end/19697
15893         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15894         constant as the second operand and a register as the third.
15895
15896 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15897
15898         PR target/19704
15899         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15900         that dllimport'd functions do not use all call-clobbered registers
15901         to pass parameters.
15902
15903 2005-01-30  Richard Henderson  <rth@redhat.com>
15904
15905         PR 19696
15906         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15907         expand_abs_nojump and generalize.  Use operand_subword and
15908         emit_no_conflict_block.  Support large modes.
15909         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15910         back to maximum.
15911         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15912         negation to subtraction.
15913         (expand_copysign): Check that the format has signed zeros.
15914         Use operand_subword and emit_no_conflict_block.  Support large modes.
15915
15916 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15917
15918         Fix PR tree-optimization/19624
15919
15920         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15921         * tree-ssa-pre.c: Add cfgloop.h.
15922         Update comment.
15923         (pre_stats): New member, constified.
15924         (inserted_exprs): New static variable.
15925         (NECESSARY): New macro.
15926         (create_expression_by_pieces): Fold the expression, and
15927         mark it as defaulting to not necessary. Also put in
15928         inserted_exprs.
15929         (fully_constant_expression): New function.
15930         (insert_into_preds_of_block): Modify to not insert phis when we
15931         are playing with induction variables.
15932         Push phis onto the inserted_exprs vector, and mark them as not
15933         necessary by default.
15934         (insert_aux): Call fully_constant_expression on eprime.
15935         If all edges produce the same value, mark it constant.
15936         (mark_operand_necessary): New function.
15937         (remove_dead_inserted_code): New function.
15938         (init_pre): Init loop optimizer to get loop info.
15939         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15940         (execute_pre): Commit edge inserts, then remove dead code.
15941
15942 2005-01-30  Richard Henderson  <rth@redhat.com>
15943
15944         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15945         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15946
15947 2005-01-30  Richard Henderson  <rth@redhat.com>
15948
15949         PR target/19700
15950         * config/i386/i386.c (ix86_expand_copysign): New.
15951         (ix86_split_copysign_const): New.
15952         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15953         rearrange op1/nmask operands.
15954         * config/i386/i386-protos.h: Update.
15955         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15956         (copysigndf3): Likewise.
15957         (copysignsf3_const, copysigndf3_const): New.
15958         (copysignsf3_var): Rename from copysignsf3, split out splitter
15959         and fix split predicate for X constraint.
15960         (copysigndf3_var): Similarly.
15961
15962 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15963
15964         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15965         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15966         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15967
15968 2005-01-29  Richard Henderson  <rth@redhat.com>
15969
15970         PR target/19690
15971         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15972         of # and * in constraints.
15973
15974 2005-01-29  Richard Henderson  <rth@redhat.com>
15975
15976         PR middle-end/19689
15977         * expr.c (store_field): Don't strip sub-mode cast when the input
15978         data is even smaller.
15979
15980 2005-01-29  Richard Henderson  <rth@redhat.com>
15981
15982         PR middle-end/19687
15983         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15984         union being empty.
15985
15986 2005-01-29  Richard Henderson  <rth@redhat.com>
15987
15988         * combine.c (make_field_assignment): Fix argument order
15989         to gen_int_mode.
15990
15991 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15992
15993         PR tree-optimization/15791
15994         * fold-const.c (extract_array_ref): New function.
15995         (fold): Fold comparisons between &a[i] and &a[j] or
15996         semantically equivalent trees.
15997
15998 2005-01-29  Jeff Law  <law@redhat.com>
15999
16000         * gcse.c (insert_expr_in_table): Revamp handling of available
16001         and anticipatable occurrence lists to avoid unnecessary list
16002         walking.
16003         (insert_set_in_table): Similarly.
16004
16005 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
16006
16007         * c-common.c (fix_string_type): Just use c_build_qualified_type to
16008         build string type.
16009         (c_build_qualified_type): Build qualified array types with
16010         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
16011         * c-decl.c (c_make_fname_decl): Build unqualified array type
16012         before qualified type.
16013         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
16014         type is qualified, not just if type itself is.  Don't apply
16015         qualifiers to array type when declarator is processed.  Apply
16016         qualifiers to field type whether or not it is an array type.
16017         Don't handle array types specially for applying qualifiers to
16018         variables.
16019         * c-typeck.c (composite_type): Build unqualified element type and
16020         array type when forming composite of array types.
16021         (common_pointer_type, comptypes, comp_target_types,
16022         type_lists_compatible_p, build_indirect_ref, build_array_ref,
16023         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
16024         types.
16025         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
16026         (args2) in variables a1 and a2.
16027
16028 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
16029
16030         * cse.c (n_elements_made, max_elements_made): Remove.
16031         (insert): Don't touch n_elements_made.
16032         (cse_main): Don't touch n_elements_made or max_elements_made.
16033
16034 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
16035
16036         PR target/15384
16037         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
16038         configuration part of dp-bit.c to be lost.
16039
16040 2005-01-28  Roger Sayle  <roger@eyesopen.com>
16041
16042         * expmed.c (expand_mult_highpart_optab): When attempting to use
16043         a non-widening multiplication in a wider mode, the operands need
16044         to be converted (zero or sign extended) to that mode.
16045
16046 2005-01-28  Ian Lance Taylor  <ian@airs.com>
16047
16048         PR middle-end/16558
16049         PR middle-end/19583
16050         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
16051         through if both operands fall through.
16052
16053 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16054
16055         * cse.c (fold_rtx) <PC>: Don't optimize.
16056
16057 2005-01-28  Jeff Law  <law@redhat.com>
16058
16059         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
16060         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
16061
16062 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16063
16064         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
16065         cse_reg_info_used_list_end): Remove.
16066         (cse_reg_info_list, cse_reg_info_list_free): New.
16067         (get_cse_reg_info): When allocating an instance of
16068         cse_reg_info, add it to the beginning of the cse_reg_info_list
16069         list.  Remove code to maintain cse_reg_info_used_list.
16070         (new_basic_block): Reset the free list to the beginning of
16071         cse_reg_info_list.
16072
16073 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
16074
16075         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
16076         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
16077         (frv_expand_mdpackh_builtin): New function.
16078         (frv_expand_builtin): Use it to expand __MDPACKH.
16079         * doc/extend.texi (__MDPACKH): Update documentation.
16080
16081 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
16082
16083         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
16084         SSE_FLOAT_MODE_P for use_sse computation.
16085
16086 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
16087
16088         PR target/19663
16089         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
16090
16091 2005-01-27  Richard Henderson  <rth@redhat.com>
16092
16093         * builtins.c (expand_builtin_copysign): New.
16094         (expand_builtin): Call it.
16095         * genopinit.c (optabs): Add copysign_optab.
16096         * optabs.c (init_optabs): Initialize it.
16097         (expand_copysign): New.
16098         * optabs.h (OTI_copysign, copysign_optab): New.
16099         (expand_copysign): Declare.
16100
16101         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
16102         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
16103
16104         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
16105         (ix86_expand_fp_absneg_operator): ... here.
16106         (ix86_split_copysign): New.
16107         * config/i386/i386-protos.h: Update.
16108         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
16109         (copysignsf3, copysigndf3): New.
16110
16111         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
16112         (copysignsf3, ncopysignsf3): New.
16113         (copysigndf3, ncopysigndf3): New.
16114         (copysignxf3, ncopysignxf3): New.
16115         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
16116
16117 2005-01-27  Arend Bayer  <arend.bayer@web.de>
16118             Kazu Hirata  <kazu@cs.umass.edu>
16119
16120         * cse.c: (find_best_addr): Don't call copy_rtx before calling
16121         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
16122         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
16123         NULL_RTX.
16124
16125 2005-01-27  Jeff Law  <law@redhat.com>
16126
16127         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
16128         definitions of SSA_NAMEs which are not being rewritten.
16129         (rewrite_ssa_into_ssa): Only initialize the current definition
16130         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
16131         If checking is enabled, assert that SSA_NAME_AUX is clear for all
16132         SSA_NAMEs before returning.
16133
16134 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
16135
16136         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
16137         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
16138         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
16139         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
16140         config/mips/iris6.h, config/sh/sh.c: Update copyright.
16141
16142 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16143
16144         PR middle-end/17278
16145         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
16146         higher to -O2 and higher.  Likewise for tree PRE.
16147         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
16148         and better.
16149
16150 2005-01-27  Ian Lance Taylor  <ian@airs.com>
16151
16152         PR middle-end/19583
16153         * gimple-low.c (try_catch_may_fallthru): New static function.
16154         (block_may_fallthru): Handle TRY_CATCH_EXPR.
16155         * tree-inline.c (expand_call_inline): Don't warn about reaching
16156         the end of a non-void function being inlined if the function uses
16157         a return slot.
16158
16159 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
16160
16161         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
16162
16163         PR c/18946
16164         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
16165         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
16166         (implicitly_declare): Handle error_mark_node.
16167
16168 2005-01-27  Richard Henderson  <rth@redhat.com>
16169
16170         PR tree-opt/14329
16171         * tree.h (struct tree_decl): Add debug_expr_is_from.
16172         (DECL_DEBUG_EXPR_IS_FROM): New.
16173         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
16174         * dwarf2out.c (dwarf2out_var_location): Update to match.
16175         * tree-outof-ssa.c (create_temp): Likewise.
16176         * var-tracking.c (track_expr_p): Likewise.
16177         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
16178         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
16179         * toplev.c (default_tree_printer): Likewise.
16180
16181 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
16182
16183         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
16184         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
16185
16186 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16187
16188         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
16189         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
16190         ASM_CLOBBERS): Add tree checks.
16191
16192         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
16193         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
16194         * c-common.def (SWITCH_STMT): Update to match.
16195         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
16196         macros instead of SWITCH_EXPR ones.
16197         * c-dump.c (c_dump_tree): Likewise.
16198         * c-gimplify.c (gimplify_switch_stmt): Likewise.
16199         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
16200
16201         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
16202
16203 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
16204
16205         * unwind-dw2.c (execute_stack_op): Add missing cases for
16206         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
16207
16208 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
16209
16210         * config.gcc (Obsolete configurations): Remove 'dummy', add
16211         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
16212         sparc-*-openbsd*.
16213
16214 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
16215
16216         PR tree-optimization/19633
16217         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
16218         CALL_EXPRs.
16219         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
16220         are no call-clobbered variables.
16221         * tree-outof-ssa.c (check_replaceable): Return false for calls
16222         with side-effects.
16223
16224 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
16225
16226         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
16227         even for variables with NULL DECL_INITIAL.
16228
16229 2005-01-26  Stuart Hastings  <stuart@apple.com>
16230
16231         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
16232
16233 2005-01-26  Richard Henderson  <rth@redhat.com>
16234
16235         PR middle-end/18008
16236         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16237         field's type.
16238         * expr.c (store_field): Strip conversions to odd-bit-sized types
16239         if the destination field width matches.
16240
16241 2005-01-26  Richard Henderson  <rth@redhat.com>
16242
16243         * c-decl.c, expmed.c, expr.c: Revert last change.
16244
16245 2005-01-26  Richard Henderson  <rth@redhat.com>
16246
16247         PR middle-end/18008
16248         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16249         field's type.
16250         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
16251         if we don't need the bits above those present in the current mode.
16252         * expr.c (store_field): Strip conversions to odd-bit-sized types
16253         if the destination field width matches.
16254
16255 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
16256
16257         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
16258         either -ffast-math or -funsafe-math-optimizations is in use.
16259
16260 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16261
16262         PR target/19293
16263         PR target/19329
16264         * config/avr/avr.c (notice_update_cc): Only set condition code for
16265         ashrqi3 if shift count > 0.
16266         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
16267         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
16268         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
16269         count <= 0 as a no-op, and shift count >= width by copying zero
16270         or sign bit to all bits of the result.
16271         * config/avr/avr.md (all shifts): Add alternatives for zero shift
16272         count, with attribute "length" set to 0 and "cc" set to "none".
16273
16274 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16275
16276         * doc/invoke.texi: Document -mTLS.
16277
16278         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
16279         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
16280         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
16281         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
16282         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
16283         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
16284         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
16285         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
16286
16287         * configure.ac: Check for a TLS capable gas.
16288
16289         * configure: Regenerate.
16290
16291 2005-01-26  Richard Henderson  <rth@redhat.com>
16292
16293         PR middle-end/18008
16294         * combine.c (make_field_assignment): Simplify store to zero_extract
16295         from a source with an overlapping mask.
16296
16297 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16298
16299         2004-11-11  Eric Christopher  <echristo@redhat.com>
16300
16301         * config/frv/frv.md: Add fr400_integer automaton. Don't
16302         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
16303         to TYPE_MACC.
16304
16305 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16306
16307         PR middle-end/16585
16308         * cfgbuild.c (make_edges): Do not clear or set
16309         current_function_has_computed_jump.
16310         * function.h (struct function): Remove the has_computed_jump field.
16311         (current_function_has_computed_jump): Do not define.
16312         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
16313         in a computed jump.  Ignore current_function_has_computed_jump.
16314
16315 2005-01-26  Richard Henderson  <rth@redhat.com>
16316
16317         PR middle-end/19515
16318         * expr.c (categorize_ctor_elements): New argument p_must_clear.
16319         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
16320         fully initialized.
16321         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
16322         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
16323         objects into static storage if they have more than one non-zero value.
16324         * tree.h (categorize_ctor_elements): Update decl.
16325
16326 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16327
16328         PR middle-end/19616
16329         * tree.h (CALL_EXPR_TAILCALL): Add comment.
16330         * calls.c (check_sibcall_argument_overlap_1): Revert the change
16331         to this function from 2004-07-10.
16332         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
16333         the current function for tail call optimizations if the address
16334         of one of it its arguments is taken.
16335
16336 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
16337
16338         * cse.c (fold_rtx): Call equiv_constant only when necessary.
16339
16340 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
16341
16342         * function.c (expand_function_end): If current_function_calls_alloca,
16343         emit stack restore in a place that is reached when the function falls
16344         through at the end.
16345
16346 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
16347
16348         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
16349         rule to avoid matching inappropriate suffix rule.
16350
16351 2005-01-26  Jan Hubicka  <jh@suse.cz>
16352
16353         PR tree-optimization/19241
16354         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
16355
16356 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16357
16358         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
16359         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
16360         of doubling.
16361         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
16362         <sim*>: Always use crt1.o, regardless of N in simN.
16363         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16364         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
16365         (CRT_CALL_STATIC_FUNCTION): Remove.
16366         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
16367         use crt1.o, regardless of N in simN.
16368         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16369         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
16370         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
16371         case isystem setting.
16372         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
16373
16374 2005-01-25  Ian Lance Taylor  <ian@airs.com>
16375
16376         * gimple-low.c (block_may_fallthru): Correct handling of
16377         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
16378
16379 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16380
16381         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
16382         handlers to match indentation; nested under the mtune=* handler.
16383         Similar for mcpu= and march=.
16384
16385 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
16386
16387         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
16388         * config/mips/linux64.h (LIB_SPEC): Likewise.
16389         * config/mn10300/linux.h (LIB_SPEC): Likewise.
16390         * config/sh/linux.h (LIB_SPEC): Likewise.
16391
16392 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
16393
16394         * config/frv/frv.c (frv_legitimize_tls_address): New.
16395         (TARGET_HAVE_TLS): Define.
16396         (FRV_SYMBOL_REF_TLS_P): Define.
16397         (frv_override_options): Handle new register classes.
16398         (frv_legitimate_address_p): Reject tls addresses.
16399         (frv_legitimize_address): Handle TLS addresses.
16400         (gen_inlined_tls_plt): New.
16401         (gen_tlsmoff): New.
16402         (frv_legitimize_tls_address): New.
16403         (unspec_got_name): Add TLS entries.
16404         (got12_operand): Add R_FRV_TLSMOFF12 case.
16405         (frv_emit_move): Fixup TLS addresses.
16406         (frv_emit_movsi): Legitimize TLS addresses.
16407
16408         * config/frv/frv.h (MASK_BIG_TLS): New.
16409         (TARGET_BIG_TLS): New.
16410         (HAVE_AS_TLS): Define.
16411         (TARGET_SWITCHES): Add -mTLS and -mtls options.
16412         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
16413         (REG_CLASS_NAMES): Same.
16414         (REG_CLASS_CONTENTS): Same.
16415         (CONSTRAINT_LEN): New.
16416         (REG_CLASS_FROM_CONSTRAINT): New.
16417         (PREDICATE_CODES): Add symbolic_operand.
16418
16419         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
16420         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
16421         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
16422         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
16423         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
16424         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
16425         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
16426         GR9_REG, GR14_REG, LRREG.
16427         (type): Add load_or_call attribute.
16428         ("load_or_call"): New reservation.
16429         ("call_gettlsoff"): New.
16430         ("tls_indirect_call"): New.
16431         ("tls_load_gottlsoff12"): New.
16432         ("tlsoff_hilo"): New.
16433         ("tls_tlsdesc_ldd"): New.
16434         ("tls_tlsoff_ld"): New.
16435         ("tls_lddi"): New.
16436
16437         * config/frv/frv-protos.h (symbolic_operand): Protoize.
16438
16439         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
16440
16441         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
16442         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
16443         * config/frv/frv.c (TLS_BIAS): Define.
16444         (frv_output_dwarf_dtprel): New.
16445
16446 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
16447
16448         PR rtl-optimization/19579
16449         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
16450         both A and B, see if they don't clobber registers the other expr uses.
16451
16452 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
16453
16454         * real.c (do_add): Initialize signalling and canonical members.
16455
16456         * real.c (real_from_integer): Zero out destination.
16457
16458 2005-01-18  Jan Hubicka  <jh@suse.cz>
16459
16460         PR tree-optimize/19337
16461         * tree-inline.c (initialize_inlined_parameters): Copy
16462         saved_static_chain_decl only.
16463
16464 2005-01-25  Richard Henderson  <rth@redhat.com>
16465
16466         PR target/19556
16467         PR target/19584
16468         * config/i386/i386.c (x86_inter_unit_moves): Zero.
16469         (ix86_preferred_reload_class): Rewrite fp-constant section, with
16470         80387 enabled, to return a proper subclass.  Return the subset that
16471         overlaps with GENERAL_REGS for PLUS.
16472         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
16473
16474 2005-01-25  Richard Henderson  <rth@redhat.com>
16475
16476         PR middle-end/19609
16477         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
16478
16479 2005-01-25  Roger Sayle  <roger@eyesopen.com>
16480
16481         * expmed.c (choose_multiplier): Change interface to return the
16482         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
16483         (expand_divmod): Update calls to choose_multiplier.
16484
16485 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16486
16487         PR middle-end/19330
16488         * expmed.c (extract_bit_field): Use adjust_address instead of
16489         gen_lowpart when op0 is a MEM.
16490
16491 2005-01-24  Steven Bosscher  <stevenb@suse.de>
16492
16493         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
16494
16495 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
16496
16497         * config/mips/irix-csr.c: New file.
16498         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
16499         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
16500         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
16501         executables.
16502
16503 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
16504
16505         PR bootstrap/19364
16506         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
16507         sparc/elf.h, add sparc/sp-elf.h.
16508         (sparc-*-rtems*): Likewise.
16509         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
16510         tm-dwarf2.h, add sparc/sp-elf.h.
16511         (sparc86x-*-elf): Likewise.
16512         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
16513         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
16514         TARGET_OS_CPP_BUILTINS.
16515         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16516         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16517         Undefine it.
16518         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
16519         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
16520         (SWITCH_TAKES_ARG): Likewise.
16521         (LOCAL_LABEL_PREFIX): Likewise.
16522         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
16523         (TARGET_N_FORMAT_TYPES): Delete.
16524         (TARGET_FORMAT_TYPES): Likewise.
16525         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16526         * config/sparc/elf.h: Delete.
16527         * config/sparc/sp-elf.h: New file.
16528
16529 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16530
16531         * tree-flow-inline.h (phi_arg_from_edge): Remove.
16532         * tree-flow.h: Remove the corresponding prototype.
16533         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
16534         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
16535
16536 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16537
16538         PR target/17751
16539         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
16540         for AIX ABI or ELF -fPIC.
16541         (rs6000_emit_load_toc_table): Don't create toc_section here.
16542         (rs6000_xcoff_file_start): Nor here.
16543
16544 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
16545
16546         * sh.c (ra.h): Don't #include.
16547         (hard_regs_intersect_p): New function, resurrected from ra.c.
16548
16549         * sh.c: Fix 1996 Copyright.
16550
16551 2005-01-24  Richard Henderson  <rth@redhat.com>
16552             Aldy Hernandez  <aldyh@redhat.com>
16553
16554         * regrename.c (note_sets): Handle subregs.
16555
16556 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
16557
16558         PR bootstrap/18058
16559         * genconditions.c (write_header, write_conditions): Elide file if
16560         not GCC >= 3.0.1.
16561
16562 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16563
16564         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
16565         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
16566         Update copyright.
16567
16568 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16569
16570         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
16571         expand_builtin_printf, expand_builtin_fprintf,
16572         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
16573         checking against POINTER_TYPE.
16574         (validate_arglist): Handle POINTER_TYPE code by checking
16575         POINTER_TYPE_P.
16576
16577 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
16578
16579         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
16580         init_rtlanal): New.
16581         (for_each_rtx): Call for_each_rtx_1.
16582         * rtl.h (init_rtlanal): Declare.
16583         * toplev.c (backend_init): Call init_rtlanal.
16584
16585 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16586
16587         * flow.c (propagate_one_insn): Formatting.
16588
16589         PR middle-end/19551
16590         * flow.c (libcall_dead_p): Be more conservative if unsure.
16591         If there are any instructions between insn and call, see if they are
16592         all dead before saying the libcall is dead.
16593
16594 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
16595
16596         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
16597         operand constraint for operand 0.
16598
16599 2005-01-23  Richard Henderson  <rth@redhat.com>
16600
16601         PR 19486
16602         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
16603         edges leading to join block.
16604
16605 2005-01-23  Roger Sayle  <roger@eyesopen.com>
16606
16607         * expmed.c (expand_mult_highpart): Make static.  Change type of
16608         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
16609         (expand_divmod): Updates calls to expand_mult_highpart by using
16610         gen_int_mode to pass a CONST_INT rtx.
16611         * rtl.h (expand_mult_highpart): Remove prototype.
16612
16613 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16614
16615         * flow.c (regset_bytes, regset_size): Remove.
16616
16617         * cfganal.c: Fix a reference to Harvey's paper.
16618
16619 2005-01-23  Steven Bosscher  <stevenb@suse.de>
16620
16621         PR rtl-optimization/19464
16622         * tree-optimize.c (init_tree_optimization_passes): Add one more
16623         copyrename pass just before out-of-ssa.
16624
16625 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
16626
16627         PR bootstrap/18058
16628         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
16629         * ggc-none.c (ggc_free): Define.
16630
16631 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16632
16633         * cse.c (max_reg, max_insn_uid): Remove.
16634         (cse_main): Don't access max_reg or max_insn_uid.
16635
16636         * c-common.c (explicit_flag_signed_bitfields,
16637         lang_statement_code_p, lang_expand_function_end): Remove.
16638         * c-common.h: Remove the corresponding declarations.
16639         * c-opts.c (c_common_handle_option): Remove all write access
16640         to explicit_flag_signed_bitfields.
16641
16642         * cgraph.c (cgraph_varpool_n_nodes): Remove.
16643         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
16644         * cgraph.h: Remove the corresponding declaration.
16645
16646         * gcse.c (null_pointer_info): Remove.
16647
16648 2005-01-23  Roger Sayle  <roger@eyesopen.com>
16649             Eric Botcazou  <ebotcazou@libertysurf.fr>
16650
16651         * combine.c (simplify_logical): Only simplify logical expressions
16652         of the form ior(and(x,y),z) by the inverse distributive law if the
16653         result is cheaper than the original.
16654
16655 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16656
16657         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
16658         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
16659         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
16660         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
16661         config/freebsd-spec.h, config/arm/arm.h,
16662         config/h8300/h8300.md, config/i386/i386.md,
16663         config/i386/predicates.md, config/i386/sse.md,
16664         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
16665         config/vax/vax.md: Fix comment typos.  Follow spelling
16666         conventions.
16667
16668 2005-01-23  Steven Bosscher  <stevenb@suse.de>
16669
16670         * gengtype.c (walk_type): Produce `not equal to' compares for loop
16671         tests, instead of `less than'.
16672
16673 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
16674
16675         * function.c (assign_parm_setup_block): When creating a new stack slot
16676         for a parameter, get its alignment from the parameter's DECL_ALIGN
16677         rather than the type's TYPE_ALIGN.  Make sure that the parameter
16678         is at least word aligned.
16679
16680 2005-01-22  Roger Sayle  <roger@eyesopen.com>
16681
16682         PR middle-end/19378
16683         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
16684
16685 2005-01-22  Richard Henderson  <rth@redhat.com>
16686
16687         PR target/19506
16688         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
16689         in both compare operands.
16690         (movdfcc_1_sse_max): Likewise.
16691         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
16692         (movdfcc_1_sse): Likewise.
16693         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
16694         scratch register as needed.
16695
16696 2005-01-22  Richard Henderson  <rth@redhat.com>
16697
16698         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
16699
16700         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
16701
16702 2005-01-22  Richard Henderson  <rth@redhat.com>
16703
16704         * genopinit.c (optabs): Use smin/smax for floating point too.
16705         * doc/md.texi: Update to match.  Clarify that floating point
16706         results are undefined for +0/-0 and NaN.
16707         * doc/rtl.texi: Likewise.
16708         * rtl.def (SMIN, SMAX): Likewise
16709         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
16710
16711         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
16712         leading 's' to the name.
16713         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
16714         smaxxf3, sminxf3): Likewise.
16715         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
16716         Likewise.
16717
16718 2005-01-22  Paul Brook  <paul@codesourcery.com>
16719
16720         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
16721
16722 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
16723
16724         * config/s390/s390.c (struct processor_costs): New fields
16725         dlgr, dlr, dr, dsgfr, dsgr.
16726         (z900_cost, z990_cost): Values for new fields.
16727         (s390_rtx_costs): New cases MEM und COMPARE in switch
16728         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
16729         DIV, MOD, UDIV, UMOD.
16730
16731 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16732
16733         * config/s390/s390.md ("doloop_si64"): Reload input value directly
16734         into the register being decremented.
16735         ("doloop_si31", "doloop_di"): Likewise.
16736         ("*doloop_si_long"): Adapt pattern.
16737
16738 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16739
16740         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
16741         access registers.
16742         (CLASS_MAX_NREGS): Likewise.
16743
16744 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
16745
16746         * doc/tree-ssa.texi (Statement Operands): Add example for new
16747         must-def macro. Note deprecation of old operands interface.
16748
16749 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
16750
16751         PR tree-optimization/19484
16752         * tree-cfg.c (remove_fallthru_edge): New function.
16753         (cleanup_control_flow): Remove fallthru edges from calls that are
16754         now known not to return.
16755
16756 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16757
16758         Fix PR tree-optimization/19038
16759         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
16760         copies with loop variant ones.
16761
16762 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
16763
16764         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
16765         config/alpha/alpha-protos.h, config/alpha/alpha.h,
16766         config/alpha/alpha.md, config/alpha/predicates.md,
16767         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
16768         config/sparc/sol2.h: Update copyright.
16769
16770         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
16771         first label to see if it is a nonlocal label.
16772
16773 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
16774             Andrew Pinski  <pinskia@physics.uc.edu>
16775
16776         PR target/19491
16777         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
16778         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
16779
16780 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16781
16782         * config/rs6000/rtems.h: Update copyright.
16783
16784 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16785
16786         PR target/19548
16787         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
16788         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
16789         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
16790
16791 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
16792
16793         PR c/18809
16794         * c-typeck.c (convert_arguments): Check for error_mark_node.
16795
16796 2005-01-21  Ian Lance Taylor  <ian@airs.com>
16797
16798         PR tree-optimization/13000
16799         * tree-inline.c: Include "tree-flow.h".
16800         (expand_call_inline): If warn_return_type, warn if non-void inline
16801         function falls through.
16802         * tree-cfg.c (execute_warn_function_return): Don't warn about
16803         control reaching end if TREE_NO_WARNING is set.  Set
16804         TREE_NO_WARNING.
16805         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16806         has been lowered.
16807         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16808         branch if we don't need one.
16809         * c-typeck.c: Include "tree-flow.h"
16810         (c_finish_bc_stmt): Don't add a goto if the current statement
16811         list doesn't fall through to the current point.
16812
16813 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16814
16815         PR rtl-optimization/576
16816         * real.c (real_arithmetic): Change return type from void to bool
16817         to return an indication that the result may be inexact.
16818         * real.h (real_arithmeric): Update prototype.
16819         * fold-const.c (const_binop):  Don't constant fold floating
16820         point expressions when the user specifies -frounding-math and
16821         the result may depend upon the run-time rounding mode.
16822         (fold_convert_const_real_from_real): Clean-up.
16823         (fold_initializer): Ignore flag_rounding_math for initializers.
16824         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16825         constant fold FP operations with flag_rounding_math if the
16826         result may depend upon the run-time rounding mode.
16827
16828 2005-01-21  Tom Tromey  <tromey@redhat.com>
16829
16830         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16831
16832 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16833
16834         * tree-cfg.c: Fix comment typos.
16835
16836 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16837
16838         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16839         around the call to rest_of_handle_branch_target_load_optimize.
16840
16841 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16842
16843         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16844         (sparc64-*-openbsd*): Likewise.
16845         (sparclite-*-elf*): Include tm-dwarf2.h.
16846         (sparc86x-*-elf*): Likewise.
16847         (sparc64-*-elf*): Likewise.
16848         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16849         (DBX_DEBUGGING_INFO): Likewise.
16850         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16851         (PREFERRED_DEBUGGING_TYPE): Likewise.
16852         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16853         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16854         (PREFERRED_DEBUGGING_TYPE): Likewise.
16855         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16856         (PREFERRED_DEBUGGING_TYPE): Likewise.
16857         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16858
16859 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16860
16861         PR target/18701
16862         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16863
16864 2005-01-20  Paul Brook  <paul@codesourcery.com>
16865
16866         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16867
16868 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16869
16870         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16871         label is first in a sequence of labels.
16872
16873         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16874
16875 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16876             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16877
16878         * doc/sourcebuild.texi (Test Directives): New.
16879
16880 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16881
16882         * real.c (real_floor): Don't leave the result uninitialized when
16883         mode is VOIDMode, but return the unrounded intermediate value.
16884         (real_ceil): Likewise.
16885
16886 2005-01-20  Paul Brook  <paul@codesourcery.com>
16887
16888         * config/arm/arm.md (insv): Use gen_int_mode.
16889
16890 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16891
16892         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16893         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16894         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16895         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16896         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16897
16898 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16899
16900         Fix PR debug/19124
16901         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16902         fbreg, so we have to assume we can't.
16903         (loc_descriptor_from_tree_1): Ditto.
16904         (containing_function_has_frame_base): New function.
16905         (add_location_or_const_value_attribute): Use it.
16906         Also try to generate a frame_base from a single element location
16907         list.
16908
16909 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16910
16911         PR tree-optimization/15349
16912         * timevar.def (TV_TREE_MERGE_PHI): New.
16913         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16914         PHI_WANTED.
16915         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16916         calls to tree_forwarder_block_p.
16917         (remove_forwarder_block_with_phi, merge_phi_nodes,
16918         gate_merge_phi, pass_merge_phi): New.
16919         * tree-optimize.c (init_tree_optimization_passes): Add
16920         pass_merge_phi.
16921         * tree-pass.h: Add an extern for pass_merge_phi;
16922
16923 2005-01-20  Richard Henderson  <rth@redhat.com>
16924
16925         PR target/19418
16926         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16927         (_mm_castps_pd, _mm_castps_si128): New.
16928         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16929
16930 2005-01-20  Richard Henderson  <rth@redhat.com>
16931
16932         PR target/19530
16933         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16934         __builtin_ia32_vec_init_v2si.
16935         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16936         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16937         (ix86_init_mmx_sse_builtins): Create it.
16938         (ix86_expand_builtin): Expand it.
16939         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16940         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16941         (vec_extractv2si_0, vec_extractv2si_1): New.
16942
16943 2005-01-20  Richard Henderson  <rth@redhat.com>
16944
16945         PR target/16533
16946         * config/i386/i386.c (ix86_expand_push): New.
16947         * config/i386/mmx.md (push<MMXMODE>1): New.
16948         * config/i386/sse.md (push<SSEMODE>1): New.
16949         * config/i386/i386-protos.h: Update.
16950
16951 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16952
16953         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16954         copyright.
16955
16956 2005-01-20  Richard Henderson  <rth@redhat.com>
16957
16958         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16959         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16960
16961 2005-01-19  Richard Henderson  <rth@redhat.com>
16962
16963         PR target/19350
16964         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16965         to V4SFmode in SSE1 fallback load path.
16966
16967 2005-01-19  Richard Henderson  <rth@redhat.com>
16968
16969         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16970         in QImode expansion to ix86_expand_vector_set.
16971         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16972
16973 2005-01-19  Richard Henderson  <rth@redhat.com>
16974
16975         PR target/19511
16976         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16977         subclass of the input class.
16978         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16979         Always true for cross-SSE1 classes.  Rationalize conditionals.
16980         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16981         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16982         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16983         (movdi_2): Add MMX/SSE zeros.
16984         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16985         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16986         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16987         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16988         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16989         (zero_extendsidi2_rex64_1): Remove.
16990         (MOV0 peephole): Check GENERAL_REG_P.
16991
16992 2005-01-19  Richard Henderson  <rth@redhat.com>
16993
16994         PR target/19427
16995         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16996         shufps elements.
16997         (ix86_expand_vector_extract): Likewise.
16998
16999 2005-01-19  Richard Henderson  <rth@redhat.com>
17000
17001         PR middle-end/19304
17002         * expr.c (emit_move_change_mode): New argument force; use
17003         simplify_gen_subreg if true.
17004         (emit_move_via_alt_mode): Merge into ...
17005         (emit_move_via_integer): ... here.
17006         (emit_move_ccmode): Use emit_move_change_mode directly.
17007
17008 2005-01-19  Richard Henderson  <rth@redhat.com>
17009
17010         PR target/19518
17011         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
17012         (alpha_preferred_reload_class): Handle CONST_VECTOR.
17013         (alpha_emit_set_const_1): Add no_output parameter; don't emit
17014         rtl if true.
17015         (alpha_emit_set_const): Likewise.  Make static.
17016         (alpha_emit_set_long_const): Make static.
17017         (alpha_extract_integer): Split out from alpha_expand_mov.
17018         (alpha_split_const_mov): Likewise.
17019         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
17020         (alpha_legitimate_constant_p): New.
17021         * config/alpha/alpha-protos.h: Update.
17022         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
17023         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
17024         * config/alpha/alpha.md (movsi): Add n alternative.
17025         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
17026         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
17027         (splitters for all of the above): Use alpha_split_const_mov.
17028         * config/alpha/predicates.md (non_add_const_operand): New.
17029         (non_zero_const_operand): New.
17030         (input_operand): Use alpha_legitimate_constant_p after reload.
17031
17032 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17033
17034         PR tree-optimization/19038
17035         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
17036         (add_candidate): Add ivs with increment in latch only if
17037         allow_ip_end_pos_p is true.
17038         (determine_iv_cost): Use empty_block_p.
17039
17040 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
17041
17042         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
17043         (compute_dominance_frontiers): Ditto.
17044
17045 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
17046
17047         PR target/19529
17048         * config/sh/t-rtems: New.
17049         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
17050
17051 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17052
17053         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
17054         the offset of the selected field.
17055
17056 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
17057
17058         * tree-cfg.c (remove_forwarder_block): Fix the check to
17059         prevent a nonlocal label from appearing in the middle of a
17060         basic block.
17061
17062 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
17063
17064         PR rtl-optimization/19462
17065         * reorg.c (find_end_label): Create return insn only if
17066         current_function_epilogue_delay_list is empty.
17067
17068 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
17069
17070         * doc/passes.texi: Remove paragraph mentioning new-ra.
17071
17072 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
17073
17074         PR rtl-optimization/15139
17075         * combine.c: Include params.h.
17076         (count_rtxs): New function.
17077         (record_value_for_reg): If replace_rtx would replace at least
17078         2 occurrences of REG in VALUE and TEM is really large, replace REG with
17079         (clobber (const_int 0)) instead of TEM.
17080         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
17081         * params.h (MAX_LAST_VALUE_RTL): New.
17082         * Makefile.in (combine.o): Depend on $(PARAMS_H).
17083         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
17084
17085         PR c/17297
17086         * c-typeck.c (digest_init): Only call build_vector if all constructor
17087         elements are *_CST nodes.
17088         * gimplify.c (gimplify_init_constructor): Likewise.
17089
17090         PR middle-end/19164
17091         * c-typeck.c (digest_init): Only call build_vector if inside_init
17092         is a CONSTRUCTOR.
17093
17094 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
17095
17096         * toplev.c (init_asm_output): Remove dead #ifdef.
17097
17098 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
17099
17100         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
17101
17102 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17103
17104         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
17105         accessing DECL_FUNCTION_CODE.
17106         * dojump.c (do_jump): Likewise.
17107         * gimplify.c (gimplify_call_expr): Likewise.
17108         * predict.c (expr_expected_value): Likewise.
17109         (strip_builtin_expect): Likewise.
17110         * tree-inline.c (estimate_num_insns_1): Likewise.
17111         * tree-ssa-loop-im.c (stmt_cost): Likewise
17112         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
17113         (tree_expr_nonnegative_p): Likewise.
17114
17115 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17116
17117         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
17118         variant of the load_pcrel_sym pattern.
17119         * config/sparc/sparc.md (P macro): Move to the top.
17120         (load_pcrel_sym): Macroize using P.
17121         (save_register_window): Likewise.
17122
17123 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
17124
17125         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
17126         ("sordered"): Same.
17127
17128 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
17129
17130         PR C/19472
17131         * c-typeck.c (build_asm_expr): Strip nops off
17132         input memory operands.
17133
17134 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
17135
17136         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
17137         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
17138         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
17139         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
17140
17141 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
17142
17143         PR target/19379
17144         * config/i386/i386.c (override_options): If the 80387 is disabled,
17145         then do not return FP values using FP registers.
17146
17147 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
17148
17149         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
17150         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
17151         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
17152         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
17153         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
17154         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
17155         output.h, postreload-gcse.c, postreload.c, recog.c,
17156         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
17157         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
17158         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
17159         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
17160         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
17161         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
17162         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
17163         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
17164
17165         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
17166         config/alpha/alpha.c, config/arm/vfp.md,
17167         config/i386/emmintrin.h, config/i386/i386-modes.def,
17168         config/i386/i386-protos.h, config/i386/i386.h,
17169         config/i386/pmmintrin.h, config/i386/ppro.md,
17170         config/i386/predicates.md, config/i386/xmmintrin.h,
17171         config/i860/i860.c, config/ia64/ia64-modes.def,
17172         config/ia64/ia64-protos.h, config/ia64/ia64.h,
17173         config/ia64/ia64.md, config/ia64/itanium1.md,
17174         config/ia64/itanium2.md, config/ia64/predicates.md,
17175         config/iq2000/iq2000.h, config/mips/linux64.h,
17176         config/rs6000/aix41.h, config/rs6000/aix43.h,
17177         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
17178         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
17179         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
17180         config/sparc/linux64.h, config/sparc/litecoff.h,
17181         config/sparc/sp64-elf.h, config/sparc/sparc.c,
17182         config/sparc/sparc.h, config/sparc/sparc.md,
17183         config/sparc/sysv4-only.h: Update copyright.
17184
17185 2005-01-18  Richard Henderson  <rth@redhat.com>
17186
17187         PR target/19496
17188         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
17189
17190 2005-01-18  Marc Espie  <espie@openbsd.org>
17191         * config/i386/openbsdelf.h: Typo.
17192
17193 2005-01-18  Richard Henderson  <rth@redhat.com>
17194
17195         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
17196         special case for sse.
17197         * config/i386/predicates.md (sse_comparison_operator): Likewise.
17198
17199 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
17200
17201         * tree-inline.c (estimate_num_insns_1): Added cases for
17202         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
17203
17204 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17205
17206         PR rtl-optimization/19296
17207         * combine.c (simplify_comparison): Rewrite the condition under
17208         which a non-paradoxical SUBREG of a PLUS can be lifted when
17209         compared against a constant.
17210
17211 2005-01-18  Andi Kleen <ak@muc.de>
17212
17213         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
17214         * c.opt (-Wpointer-sign): Add.
17215         * doc/invoke.texi: (-Wpointer-sign): Add.
17216
17217 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17218
17219         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
17220         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
17221         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
17222         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
17223         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
17224         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
17225         for TARGET_MIX_SSE_I387.
17226         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
17227         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
17228         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
17229         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
17230         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
17231         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
17232         TARGET_MIX_SSE_I387.
17233         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
17234         from expander.
17235
17236 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17237
17238         PR target/19424
17239         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
17240         Add movaps alternative for xmm reg->reg move.
17241
17242 2005-01-17  Jeff Law  <law@redhat.com>
17243
17244         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
17245         at the end of the main DOM loop rather than just before DOM exits.
17246
17247 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
17248
17249         PR tree-optimization/19121
17250         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
17251         adding aliases to a name tag, also add them to the pointer's
17252         type tag.
17253         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
17254         sensitive alias info at all.  Only check that the two pointers
17255         have compatible pointed-to sets.
17256         * tree-ssa.c (verify_name_tags): Verify that the alias set of
17257         a pointer's type tag is a superset of the alias set of the
17258         pointer's name tag.
17259
17260 2005-01-17  James E Wilson  <wilson@specifixinc.com>
17261
17262         PR target/19357
17263         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
17264         comment to document why.
17265
17266 2005-01-17  Richard Henderson  <rth@redhat.com>
17267
17268         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
17269         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
17270         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
17271         sse2_vmsminv2df3_finite): New.
17272         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
17273         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
17274         Force op1 into register.
17275
17276 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
17277
17278         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
17279         bubblestrap from always rebuilding build directory.
17280
17281 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
17282
17283         * config/s390/s390.md ("*clc"): Remove incorrect '='.
17284         ("*cmpmem_short"): Likewise.
17285
17286 2005-01-17  Steven Bosscher  <stevenb@suse.de>
17287
17288         * basic-block.h: Document BB_* flags.
17289         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
17290         use an sbitmap instead.
17291         * sched-rgn.c (compute_trg_info): Likewise.
17292
17293 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
17294
17295         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
17296         redundant target_cpu_default and extra_parts lines.  Use the default
17297         "from-abi" ISA.
17298         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
17299         (SUBTARGET_EXTRA_SPECS): Delete.
17300         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
17301         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
17302         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
17303         and "n32" for -mabi=n32.
17304
17305 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17306
17307         PR c/5675
17308         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
17309         fold constant variables into initial values.
17310
17311 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17312
17313         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
17314
17315         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
17316         through the statements backward.
17317
17318 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17319
17320         PR middle-end/13127:
17321         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
17322         a variable set to the return value of the inlined function.
17323
17324 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
17325
17326         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
17327         when modes are tieable.
17328
17329 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
17330
17331         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
17332         of pthread_create to find out if threads are enabled.
17333         * gthr-posix95.h (__gthread_active_p): Likewise.
17334
17335 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
17336
17337         * common.opt (-fnew-ra): Remove.
17338         * ra*.*: Remove.
17339         * toplev.h (flag_new_regalloc): Remove.
17340         * Makefile.in (ra*.*): Don't mention.
17341         * passes.c (rest_of_handle_new_regalloc): Remove.
17342         (rest_of_handle_combine, rest_of_compilation): Always consider
17343         flag_new_regalloc as false.
17344         * doc/invoke.texi: Don't document -fnew-ra.
17345
17346 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
17347
17348         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
17349         last parameter to reg_scan.
17350         * loop.c (loop_optimize): Likewise.
17351         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
17352         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
17353         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
17354         rest_of_handle_gcse, rest_of_handle_loop_optimize,
17355         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
17356         * regclass.c (reg_scan): Likewise, for the declaration.
17357         * rtl.h (reg_scan): Likewise, for the prototype.
17358
17359 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17360
17361         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
17362         mark_dfs_back_edges.
17363
17364 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
17365
17366         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
17367         (compute_avail): Uses don't go in tmp_gen.
17368
17369 2005-01-16  Steven Bosscher  <stevenb@suse.de>
17370
17371         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
17372         loop to look for a free slot in a page entry.
17373
17374 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17375
17376         PR target/16304
17377         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
17378         * toplev.c (compile_file): Call process_pending_assemble_output_defs
17379         just before targetm.asm_out.file_end.
17380         * tree.h (process_pending_assemble_output_defs): Declare.
17381         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
17382         New functions.
17383         (assemble_alias): Defer generation of assembly code for defines when
17384         TARGET_DEFERRED_OUTPUT_DEFS is true.
17385         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17386         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17387         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
17388
17389 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17390
17391         PR target/19336
17392         * pa.c (pa_scalar_mode_supported_p): New function.
17393         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17394         * pa.h (MIN_UNITS_PER_WORD): Add comment.
17395
17396         * pa-protos.h (prefetch_operand): Delete.
17397         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
17398         * pa.c (prefetch_operand): Delete.
17399         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
17400         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
17401         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
17402         and prefetch_nocc_operand.
17403         * pa.md (prefetch): Rework to avoid reload problems handling short
17404         displacements when a cache control completer needs to be provided.
17405         (prefetch_32, prefetch_64): Delete.
17406         (prefetch_cc, prefetch_nocc): New patterns.
17407
17408 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
17409
17410         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
17411
17412 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17413
17414         PR ada/19388
17415         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
17416         exceeds maximum alignment for global common data.
17417         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
17418         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
17419
17420 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17421
17422         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
17423
17424 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17425
17426         * harg-reg-set.h (reg_class_names): Prototype global array.
17427         * regclass.c (reg_class_names): Declare here and initialize to
17428         REG_CLASS_NAMES.
17429         (dump_regclass): Remove local declaration of reg_class_names.
17430         (regclass): Likewise.
17431         * cfg.c (dump_flow_info): Likewise.
17432         * ra-debug.c (reg_class_names): Likewise.
17433         * regrename.c (reg_class_names): Likewise.
17434         * reload.c (reg_class_names): Likewise.
17435         * reload1.c (spill_failure): Likewise.
17436         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
17437
17438 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
17439
17440         * config/s390/s390.md ("reload_outti"): Remove predicate for
17441         output operand.  Abort if operand is not a MEM.
17442         ("reload_outdi", "reload_outdf"): Likewise.
17443
17444 2005-01-15  Marc Espie  <espie@openbsd.org>
17445
17446         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
17447         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
17448         * config/openbsd.h:  Fix C++ includes for native configurations.
17449         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
17450         Add trampoline support.
17451         * config/i386/openbsdelf.h: New.
17452
17453 2005-01-15  Marc Espie  <espie@openbsd.org>
17454
17455         * collect2.c (main): Explicitly parse -dynamic-linker option.
17456
17457 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
17458
17459         PR tree-optimization/19060
17460         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
17461         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
17462         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
17463         and handle extract_range_from_cond returning false.
17464         * fold-const.c (fold): Optimize comparisons with min/max even for
17465         width > HOST_BITS_PER_WIDE_INT.
17466
17467 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
17468
17469         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
17470         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
17471         Remove little endian multilib variants.
17472         Add mips32 multilib variant.
17473
17474 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
17475
17476         * explow.c (copy_all_reg, stabilize): Remove.
17477         * expr.h: Remove the corresponding prototypes.
17478
17479         * rtlanal.c (regs_set_between_p): Remove.
17480         * rtl.h: Remove the corresponding prototype.
17481
17482 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
17483
17484         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
17485         to rs6000_nonimmediate_operand.
17486         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
17487         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
17488         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
17489         rs6000_nonimmediate_operand.
17490         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
17491         rs6000_nonimmediate_operand.
17492
17493 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
17494
17495         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
17496
17497 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17498
17499         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
17500         on e500v2.
17501         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
17502         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
17503
17504         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
17505         (rs6k_nonimmediate_operand): New.
17506         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
17507         correctly.
17508         (legitimate_lo_sum_address_p): Same.
17509         (rs6000_legitimize_address): Same.
17510         (rs6000_legitimize_reload_address): Same.
17511         (rs6000_legitimate_address): Same.
17512         (spe_build_register_parallel): Pass DF and DC modes in a DI
17513         register.
17514
17515         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
17516         to rs6k_nonimmediate_operand.
17517
17518         * config/rs6000/spe.md ("*frob_df_di"): New.
17519         ("*frob_di_df"): New.
17520         ("*frob_di_df_2"): New.
17521         ("*mov_sidf_e500_subreg0"): New.
17522         ("*mov_sidf_e500_subreg4"): New.
17523         ("*movdf_e500_double"): Change predicate to
17524         rs6k_nonimmediate_operand.
17525
17526 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17527
17528         * postreload.c (move2add_note_store): Only call
17529         trunc_int_for_mode on scalar integers.
17530
17531 2005-01-14  Steven Bosscher  <stevenb@suse.de>
17532
17533         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
17534         replace BB_VISITED uses.
17535         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
17536         (propagate_necessity): Check the bitmap instead of BB_VISITED.
17537         (tree_dce_done): Free visited_control_parents.
17538         (perform_tree_ssa_dce): Allocate and clear it.
17539         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
17540         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
17541         instead of BB_VISITED.
17542
17543 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
17544
17545         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
17546         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
17547         Remove unused prototypes.
17548
17549 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17550
17551         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
17552         64-bit register usage.
17553         (spe_func_has_64bit_regs_p): Add FIXME note.
17554
17555 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17556
17557         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
17558         flag_finite_math_only with flag_unsafe_math_optimizations.
17559
17560 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
17561
17562         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
17563         end-of-stack check.
17564         (__tpf_eh_return): Copy TPF private stack area from the module
17565         boundary stack frame.  Add check for when module addresses are
17566         equal, but no stub address is found.
17567
17568 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
17569
17570         PR target/7525
17571         * arm.h (struct machine_function): Add call_via field.
17572         (thumb_call_via_label): Declare.
17573         * arm.c (thumb_call_via_label): New variable.
17574         (thumb_call_reg_needed): New variable.
17575         (arm_output_function_epilogue): For Thumb code, output any per-function
17576         call-indirect trampolines.
17577         (thumb_call_via_reg): New function.
17578         (arm_file_end): New function.
17579         (TARGET_ASM_FILE_END): Call arm_file_end.
17580         (aof_file_end): Likewise.
17581         * arm-protos.h (thumb_call_via_reg): Declare.
17582         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
17583         thumb_call_via_reg in normal case.
17584
17585 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
17586
17587         PR middle-end/19084
17588         PR rtl-optimization/19348
17589         * recog.c (peephole2_optimize): Do global life update if some peephole
17590         decides it doesn't need at least one of its inputs and that change
17591         influences liveness at the start of the basic block.
17592
17593         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
17594         arguments instead of 1.
17595
17596 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
17597
17598         PR middle-end/18820
17599         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
17600         zero for nested functions needing a static chain or functions
17601         with a non-constant address.
17602
17603 2005-01-13  Roger Sayle  <roger@eyesopen.com>
17604
17605         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
17606         (and (sign_extend X) C) into (zero_extend (and X C)).
17607
17608 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
17609
17610         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
17611
17612 2005-01-13  Richard Henderson  <rth@redhat.com>
17613
17614         PR target/19009
17615         PR target/19250
17616         PR target/19252
17617         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
17618         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
17619         not just TARGET_SSE.
17620         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
17621         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
17622         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
17623         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
17624         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
17625         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
17626         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
17627         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
17628         (movdicc_c_rex64): Rename with '*'.
17629         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
17630         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
17631         (movsfcc_1_387): Rename from movsfcc_1.
17632         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
17633         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
17634         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
17635         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
17636         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
17637         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
17638         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
17639         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
17640         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
17641         sse_movdfcc_const0_4): Remove.
17642         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
17643         recognize min/max early.  Update for changed sse cmove patterns.
17644         (ix86_split_sse_movcc): New.
17645         * config/i386/i386-protos.h: Update.
17646
17647 2005-01-13  Steven Bosscher  <stevenb@suse.de>
17648
17649         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
17650         (fix_stmt_v_may_defs): Likewise.
17651
17652 2005-01-13  Richard Henderson  <rth@redhat.com>
17653
17654         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
17655         for converting the mask.
17656
17657 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
17658
17659         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
17660         definition to 600.
17661
17662 2005-01-13  Richard Henderson  <rth@redhat.com>
17663
17664         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
17665         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
17666         IX86_BUILTIN_MOVDQ2Q): Remove.
17667         (IX86_BUILTIN_VEC_EXT_V4SI): New.
17668         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
17669         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
17670         shuffling.
17671         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
17672         (sse2_pextrw): Fix immediate constraint.
17673         (sse2_loadq, sse2_loadq_rex64): Remove.
17674         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
17675         Use __builtin_ia32_vec_ext_<size>.
17676         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
17677
17678 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
17679
17680         * function.c (assign_parm_setup_block): Look inside original
17681         entry_parm when inspecting PARALLEL.
17682
17683 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
17684             Joel Sherrill  <joel@oarcorp.com>
17685
17686         PR target/19399
17687         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
17688         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
17689         rtems_gxx_recursive_mutex_init.
17690         (__gthread_recursive_mutex_lock): New function.
17691         (__gthread_recursive_mutex_trylock): Likewise.
17692         (__gthread_recursive_mutex_unlock): Likewise.
17693
17694 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
17695
17696         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
17697
17698 2005-01-13  Jan Beulich  <jbeulich@novell.com>
17699
17700         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
17701         (ashrti3_internal): Indicate output is early clobber. Generate result
17702         into output rather than first input. Use move for low word of output
17703         if shift count is exactly 64.
17704         (lshrti3_internal): Likewise.
17705
17706 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
17707
17708         PR target/18329
17709         PR target/18330
17710         * reload1.c (delete_output_reload): Don't delete an output reload
17711         if the pseudo lives longer than a single basic block.  Adjust and
17712         improve wording of comment.
17713
17714 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
17715
17716         PR target/19334
17717         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
17718         of TYPE_SIZE where we mean the number of bytes.
17719
17720 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
17721
17722         * function.c (assign_parm_setup_block): Relax condition on
17723         multi-register optimization.
17724
17725 2005-01-12  Nick Clifton  <nickc@redhat.com>
17726
17727         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
17728         an "in_delay_slot" attribute of "no" to prevent them being used in
17729         delay slots.  This is forbidden because they might generate
17730         exceptions.
17731
17732 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
17733
17734         PR target/19389
17735         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
17736         with r->Y and Y->r.
17737
17738 2005-01-12  Nick Clifton  <nickc@redhat.com>
17739
17740         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
17741         passed on to GAS) but do not define, as GAS no longer supports or
17742         needs the -m2000 option.
17743
17744 2005-01-11  Roger Sayle  <roger@eyesopen.com>
17745
17746         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
17747         type as args of unprototyped builtins aren't automatically promoted.
17748         (fold_builtin_abs): Likewise.
17749
17750 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17751
17752         * Makefile.in: Set a `build-warn' variable.
17753
17754 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
17755
17756         PR tree-optimization/17949
17757         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
17758         (find_interesting_uses_address): Use it.
17759
17760 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
17761
17762         * regrename.c (kill_value): Handle subreg's that won't simplify.
17763
17764 2005-01-11  Richard Henderson  <rth@redhat.com>
17765
17766         PR target/13366
17767         * config/i386/i386.h (enum ix86_builtins): Move ...
17768         * config/i386/i386.c: ... here.
17769         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
17770         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
17771         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
17772         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
17773         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
17774         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
17775         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
17776         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
17777         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
17778         IX86_BUILTIN_LOADDDUP): Remove.
17779         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
17780         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
17781         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
17782         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
17783         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
17784         (ix86_init_builtins): Make static.
17785         (ix86_init_mmx_sse_builtins): Update for changed builtins.
17786         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
17787         if all the modes match.  Otherwise, fake it.
17788         (get_element_number, ix86_expand_vec_init_builtin,
17789         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
17790         (ix86_expand_builtin): Make static.  Update for changed builtins.
17791         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
17792         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
17793         (ix86_expand_vector_init_duplicate): New.
17794         (ix86_expand_vector_init_low_nonzero): New.
17795         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
17796         Split out from ix86_expand_vector_init; handle integer modes.
17797         (ix86_expand_vector_init): Use them.
17798         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
17799         * config/i386/i386-protos.h: Update.
17800         * config/i386/predicates.md (reg_or_0_operand): New.
17801         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
17802         (movv2sf_internal): Likewise.  And a splitter to match them all.
17803         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
17804         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17805         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17806         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17807         (mmx_pinsrw): Fix operand ordering.
17808         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17809         rather than sse_loadss expander.
17810         (movv2df splitter): Similarly.
17811         (sse_loadss, sse_loadlss): Remove.
17812         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17813         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17814         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17815         (sse3_movddup): Rename with '*'.
17816         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17817         (sse2_loadsd): Remove.
17818         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17819         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17820         (sse2_pinsrw): Fix argument ordering.
17821         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17822         (sse2_stored): Remove 'r' destination.
17823         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17824         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17825         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17826         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17827         vec_extractv16qi, vec_initv16qi): New.
17828
17829         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17830         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17831         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17832         constructor form.
17833         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17834         (_mm_load_si128, _mm_store_si128): Likewise.
17835         (_mm_load1_pd): Use _mm_set1_pd.
17836         (_mm_load_sd): Use _mm_set_sd.
17837         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17838         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17839         (_mm_set_epi64): Use _mm_set_epi64x.
17840         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17841         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17842         _mm_setr_epi8): Use _mm_set_foo form.
17843         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17844         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17845         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17846         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17847         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17848         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17849         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17850         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17851         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17852         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17853         (_mm_movedup_pd): Use _mm_shuffle_pd.
17854         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17855         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17856         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17857         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17858         Use _mm_setzero_ps.
17859         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17860         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17861         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17862         (_mm_store_ps): Use raw dereference.
17863         (_mm_store1_ps): Use _mm_storeu_ps.
17864         (_mm_storer_ps): Use _mm_store_ps.
17865         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17866         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17867
17868 2005-01-11  Stan Shebs  <shebs@apple.com>
17869
17870         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17871         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17872
17873 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17874
17875         PR target/18761
17876         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17877         Skip all DECLs except for FIELD_DECLs.
17878
17879 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17880
17881         * config/s390/s390.c (override_options): Return error if
17882         -mbackchain, -mpacked-stack and -mhard-float are used together.
17883         (s390_va_start): Remove the backchain && packed-stack special case.
17884         (s390_gimplify_va_arg): Likewise.
17885         * doc/invoke.texi: Remove the ABI incompatibility note.
17886
17887 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17888
17889         * config/s390/s390.c (struct s390_frame_layout): Remove
17890         save_backchain_p.
17891         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17892         save_backchain_p with TARGET_BACKCHAIN.
17893
17894 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17895
17896         PR target/18916
17897         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17898         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17899         * function.c (locate_and_pad_parm): Set new field.
17900         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17901         Tweak where_pad test to include "none".  Always set mem align for
17902         stack_parm.
17903         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17904         not sufficient for type.
17905         (assign_parm_setup_block): If stack_parm is zero on entry, always
17906         make a new stack local.  Block move old stack parm if necessary
17907         to new aligned stack local.
17908         (assign_parm_setup_stack): Use a block move to handle
17909         potentially misaligned entry_parm.
17910         (assign_parms_unsplit_complex): Specify required alignment when
17911         creating stack local.
17912         * calls.c (compute_argument_addresses): Override alignment of stack
17913         arg calculated from its type with the alignment given by
17914         FUNCTION_ARG_BOUNDARY.
17915         (store_one_arg): Likewise.
17916
17917 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17918
17919         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17920         Change respective itanium_class attribute to ialu.
17921         (shladdp4_internal): New.
17922         * config/ia64/predicates.md (shladd_log2_operand): New.
17923
17924 2005-01-11  Richard Henderson  <rth@redhat.com>
17925
17926         * expr.c (store_constructor): Use rtvec_alloc instead of
17927         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17928
17929 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17930
17931         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17932
17933 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17934
17935         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17936         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17937         (TARGET_RWRELOC): Define.
17938         (ia64_rwreloc_section_type_flags): Delete.
17939         (ia64_section_type_flags): New function.
17940         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17941         (TARGET_RWRELOC): Define.
17942
17943 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17944
17945         PR target/18987
17946         * config/ia64/ia64.c (process_set): For alloc insn, only call
17947         process_epilogue is !frame_pointer_needed.
17948
17949 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17950
17951         PR c++/19355
17952         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17953         unary operator and can't be treated as a binary/comparison operator.
17954
17955 2005-01-10  Richard Henderson  <rth@redhat.com>
17956
17957         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17958         (ix86_return_in_memory): Likewise.
17959         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17960         for choosing register to advance.
17961
17962 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17963
17964         * tree-vectorizer.c, tree.def: Fix comment typos.
17965
17966 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17967
17968         * config/s390/s390.c (struct processor_costs): 4 new fields:
17969         ddbr, ddr, debr, der.
17970         (s390_rtx_costs): More precise handling of divide instructions.
17971
17972 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17973
17974         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17975
17976 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17977
17978         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17979         names resulting from -ffunction-sections/-fdata-sections and linkonce
17980         ones.
17981         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17982         based on the section name. Rearrange the section name comparison logic
17983         slightly so that each section name is compared against at most once.
17984
17985 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17986
17987         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17988         targets for which -fPIC reduces limitations on the GOT size.
17989
17990 2005-01-09  Falk Hueffner  <falk@debian.org>
17991
17992         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17993         X/C1 cmpop C2.
17994
17995 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17996
17997         PR target/18720
17998         * collect2.c (main): Set aixrtl_flag for -brtl option.
17999         (resolve_lib_name): Search for .so file extension before .a
18000         if aixrtl_flag set.
18001
18002 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
18003
18004         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
18005         (vect_analyze_data_refs_alignment): Add dump prints.
18006
18007 2005-01-09  Ira Rosen  <irar@il.ibm.com>
18008
18009         * tree-vectorizer.c (vect_analyze_offset_expr): Use
18010         expr_invariant_in_loop_p.
18011         Initialize outputs first thing in the function.
18012         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
18013         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
18014         (vect_analyze_pointer_ref_access): Check that the initial condition of
18015         the access function is loop invariant.
18016
18017 2005-01-09  Richard Henderson  <rth@redhat.com>
18018
18019         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
18020         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
18021         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
18022         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
18023         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
18024         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
18025         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
18026         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
18027         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
18028         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
18029         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
18030         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
18031         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
18032         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
18033         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
18034         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
18035         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
18036         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
18037         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
18038         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
18039         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
18040         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
18041         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
18042         mmx_ prefix.
18043         (mmx_clrdi, pavgusb): Remove.
18044         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
18045         with leading sse_ prefix.
18046         * config/i386/sse.md: Receive them.
18047         * config/i386/mmx.md: New file.
18048         (MMXMODE12, MMXMODE24, mmxvecsize): New.
18049         (subrv2sf3): Turn into expander for normal subtraction.
18050         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
18051         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
18052         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
18053         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
18054         commutative; use ix86_binary_operator_ok.
18055         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
18056         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
18057         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
18058         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
18059         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
18060         Macroize from existing patterns; use ix86_binary_operator_ok.
18061         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
18062         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
18063         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
18064         with vec_select+vec_concat.
18065         (mmx_pshufw, mmx_pshufw_1): Likewise.
18066         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
18067         (mmx_uavgv4hi3): Model correctly.
18068         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
18069         _mm_xor_si64): Remove casts.
18070
18071 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
18072
18073         PR tree-optimization/19224
18074         * tree-scalar-evolution.c (get_instantiated_value,
18075         set_instantiated_value): New functions.
18076         (instantiate_parameters_1): Cache the results.
18077         (instantiate_parameters, resolve_mixers): Initialize and free
18078         the cache.
18079
18080 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
18081
18082         * config/i386/i386.md (addhi_4): Correct reference in comment.
18083         (addqi_4): Same.
18084
18085 2005-01-08  Richard Henderson  <rth@redhat.com>
18086
18087         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
18088         (_mm_cvtsi128_si64x): Likewise.
18089         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
18090         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
18091         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
18092         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
18093         * config/i386/i386-protos.h: Update.
18094         * config/i386/i386.c (print_operand): Add 'H'.
18095         (ix86_fixup_binary_operands): Split out from ...
18096         (ix86_expand_binary_operator): ... here.
18097         (ix86_fixup_binary_operands_no_copy): New.
18098         (ix86_expand_fp_absneg_operator): Handle vector mode results.
18099         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
18100         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
18101         (safe_vector_operand): Use CONST0_RTX.
18102         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
18103         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
18104         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
18105         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
18106         special cases.
18107         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
18108         (IX86_BUILTIN_CMPNGESS): New.
18109         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
18110         (attr type): Add sselog1.
18111         (attr unit, attr memory): Handle it.
18112         (movti, movti_internal, movti_rex64): Move near other integer moves.
18113         (movtf, movtf_internal): Move near other fp moves.
18114         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
18115         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
18116         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
18117         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
18118         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
18119         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
18120         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
18121         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
18122         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
18123         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
18124         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
18125         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
18126         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
18127         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
18128         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
18129         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
18130         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
18131         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
18132         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
18133         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
18134         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
18135         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
18136         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
18137         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
18138         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
18139         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
18140         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
18141         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
18142         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
18143         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
18144         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
18145         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
18146         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
18147         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
18148         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
18149         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
18150         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
18151         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
18152         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
18153         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
18154         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
18155         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
18156         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
18157         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
18158         same time.
18159         (SSEPUSH, push<SSEPUSH>): Remove.
18160         (MMXPUSH, push<MMXPUSH>): Remove.
18161         (sse_movaps, sse_movaps_1, sse_movups): Remove.
18162         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
18163         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
18164         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
18165         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
18166         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
18167         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
18168         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
18169         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
18170         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
18171         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
18172         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
18173         (ppro_sse_log_V4SF): Handle sselog1.
18174         * config/i386/predicates.md (const_0_to_1_operand): New.
18175         (const_0_to_255_mul_8_operand): New.
18176         (const_1_to_31_operand): Rename from const_int_1_31_operand.
18177         (const_2_to_3_operand, const_4_to_7_operand): New.
18178         * config/i386/sse.md: New file.
18179         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
18180         (sse_movups): Rename from sse_movups_1.
18181         (sse_loadlss): Rename from sse_loadss_1.
18182         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
18183         from the name.
18184         (negv4sf2): Use ix86_expand_fp_absneg_operator.
18185         (absv4sf2, negv2df, absv2df): New.
18186         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
18187         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
18188         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
18189         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
18190         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
18191         (sse3_addsubv4sf3): Model correctly.
18192         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
18193         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
18194         (sse_movhlps): Model with vec_select+vec_concat.
18195         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
18196         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
18197         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
18198         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
18199         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
18200         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
18201         sse2_pshufhw_1): Likewise.
18202         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
18203         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
18204         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
18205         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
18206         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
18207         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
18208         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
18209         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
18210         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
18211         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
18212         sminv8hi3): Mark commutative
18213         operands.  Use ix86_binary_operator_ok.
18214         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
18215         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
18216         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
18217         sse2_punpcklqdq): Allow operand2 in memory.
18218         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
18219         sse2_movsd): Add memory alternatives.
18220         (sse_storelps): Turn expander into an insn; split after reload.
18221         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
18222         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
18223
18224 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18225
18226         * configure.ac (DWARF-2 debug_line): Use objdump.
18227         * configure: Regenerate.
18228
18229 2005-01-08  Jeff Law  <law@redhat.com>
18230             Diego Novillo  <dnovillo@redhat.com>
18231
18232         PR tree-optimization/18241
18233         * tree-nrv.c (tree_nrv): Ignore volatile return values.
18234         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
18235         statements with volatile operands.
18236         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
18237         operands after marking a statement with has_volatile_ops.
18238
18239 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18240
18241         * tree.c (int_fits_type_p): Always honor integer constant
18242         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
18243
18244 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18245
18246         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
18247         the latent bug in rtl_delete_block has been resolved.
18248
18249 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18250
18251         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
18252         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
18253
18254 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18255
18256         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
18257         library as @multilib_dir@/$(SHLIB_SONAME).
18258
18259 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18260
18261         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
18262         * configure: Regenerate.
18263
18264 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18265
18266         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
18267         TYPE_MODE.
18268
18269 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
18270
18271         PR target/13674
18272         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
18273         Convert non-word aligned offset address using ld/std into
18274         indirect address.
18275
18276 2005-01-07  Richard Henderson  <rth@redhat.com>
18277
18278         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
18279
18280 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
18281
18282         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
18283
18284 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18285
18286         PR tree-optimization/19283
18287         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
18288         is not shorter than the original type.
18289
18290         PR rtl-optimization/19012
18291         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
18292
18293         PR rtl-optimization/18861
18294         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
18295         (FULL_STATE): Define.
18296         (mark_tablejump_edge): New function.
18297         (purge_dead_tablejump_edges): New function.
18298         (find_bb_boundaries): Use it.
18299
18300         PR tree-optimization/18828
18301         * builtins.c (expand_builtin_next_arg): Remove argument and all
18302         the argument checking.
18303         (expand_builtin): Adjust caller.
18304         (expand_builtin_va_start): Likewise.  Remove error for too many
18305         arguments.
18306         (fold_builtin_next_arg): Issue error for too many arguments.
18307         After checking arguments, replace them with magic arguments that
18308         prevent further checking of the args.
18309
18310 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18311
18312         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
18313
18314 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18315
18316         PR target/6077
18317         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
18318         and %{.S:...} (and their negative variants) to test whether the
18319         input file is assembler or pre-processed-assembler independent of
18320         the actual filename extension.
18321
18322 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18323
18324         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
18325         of sign or zero extended values.
18326
18327 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
18328
18329         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
18330         for IBM long double format correctly.
18331
18332 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
18333
18334         Fix PR tree-optimization/18792
18335
18336         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
18337         to first_loop_depth, and use loop depth instead of loop number.
18338         (build_classic_dir_vector): Ditto.
18339         (compute_data_dependences_for_loop): Use depth, not loop number.
18340         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
18341         number. Pass in loops, instead of loop numbers.
18342         (gather_interchange_stats): Ditto.
18343         (linear_transform_loops): Ditto.
18344
18345 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
18346
18347         PR rtl-opt/13299
18348         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
18349         biv_fits_mode_p, extension_within_bounds_p): New functions.
18350         (check_ext_dependent_givs): Use them.
18351
18352 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18353
18354         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
18355         more than one barrier, in which case we should delete them all.
18356
18357 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
18358
18359         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
18360
18361 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
18362
18363         Fix PR middle-end/19286
18364         Fix PR debug/19267
18365         * dwarf2out.c (gen_subprogram_die): If we've already tried to
18366         output this subprogram, simply ignore this attempt to do it again.
18367         (add_abstract_origin_attribute): Don't abort trying to add the abstract
18368         origin attribute if it's not possible.
18369         (gen_block_die): Don't ignore subblocks of "unused" blocks.
18370         (decls_for_scope): Ditto.
18371         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
18372         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
18373
18374 2005-01-05  Richard Henderson  <rth@redhat.com>
18375
18376         PR target/11327
18377         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
18378         (bdesc_2arg): Use it.
18379         (ix86_expand_binop_builtin): Force operands into registers
18380         when optimizing.
18381         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
18382         ix86_expand_sse_compare, ix86_expand_sse_comi,
18383         ix86_expand_builtin): Likewise.
18384
18385 2005-01-05  Richard Henderson  <rth@redhat.com>
18386
18387         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
18388         and VEC_SELECT.
18389         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
18390         (mulv4hi3): Set itanium_class mmmul.
18391         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
18392         (fpack): Rename from fpack_sfsf.
18393
18394 2005-01-05  Richard Henderson  <rth@redhat.com>
18395
18396         PR rtl-opt/10692
18397         * reload1.c (do_input_reload): Restrict the optimization deleteing
18398         a previous output reload to RELOAD_FOR_INPUT.
18399
18400 2005-01-05  Steven Bosscher  <stevenb@suse.de>
18401
18402         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
18403         comment that we fall through after case.
18404         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
18405         (distribute_links): Likewise.
18406         * cse.c (cse_insn): Likewise.
18407         * cselib.c (cselib_invalidate_mem): Likewise.
18408         * df.c: Update comments at the top of the file.
18409         (read_modify_subreg_p): Update comments here too.
18410         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
18411         * flow.c (mark_set_1): Likewise.
18412         (mark_used_regs): Likewise.
18413         * gcse.c (mems_conflict_for_gcse_p): Likewise.
18414         (canon_list_insert): Likewise.
18415         (mark_set): Likewise.
18416         (try_replace_reg): Likewise.
18417         (store_killed_in_insn): Likewise.
18418         * loop.c (count_one_set): Likewise.
18419         (basic_induction_var): Likewise.
18420         * postreload-gcse.c (find_mem_conflicts): Likewise.
18421         * postreload.c (reload_combine_note_store): Likewise.
18422         (move2add_note_store): Likewise.
18423         * reload.c (find_equiv_reg): Likewise.
18424         (mark_referenced_resources): Likewise.
18425         * rtlanal.c (set_noop_p): Likewise.
18426         (note_stores): Likewise.
18427         (note_uses): Likewise.
18428         * sched-deps.c (sched_analyze_1): Likewise.
18429         * sched-rgn.c (check_live_1): Likewise.
18430         (update_live_1): Likewise.
18431         * config/i860/i860.c: Likewise.
18432
18433         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
18434         an lvalue.
18435         (ZERO_EXTRACT): Mention that this one can be an lvalue.
18436
18437         * doc/rtl.texi: Update documentation for bit-fields and SET.
18438
18439 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18440
18441         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
18442
18443 2005-01-05  Jan Hubicka  <jh@suse.cz>
18444             Richard Henderson  <rth@redhat.com>
18445
18446         PR target/18910
18447         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
18448         with an offset.
18449
18450 2005-01-05  Richard Henderson  <rth@redhat.com>
18451
18452         PR target/12902
18453         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
18454         (sse_shufps): Change operand 3 to const_int_operand.
18455         (sse2_storelps): Fix typo in template.
18456         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
18457         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
18458         (ix86_expand_builtin): Likewise.
18459
18460 2005-01-05  Julian Brown  <julian@codesourcery.com>
18461
18462         * config/arm/arm.c (arm_return_in_memory): Treat complex types
18463         as aggregates for AAPCS ABIs.
18464
18465 2005-01-05  Stan Shebs  <shebs@apple.com>
18466
18467         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
18468         Mach-O getters if ppc64.
18469         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
18470         size argument.
18471         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
18472         signed four-byte field for global code case.
18473         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
18474
18475 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18476
18477         PR middle-end/19100
18478         * c-common.c: Include real.h.
18479         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
18480         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
18481         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
18482         * Makefile.in (c-common.o): Update dependencies.
18483
18484 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18485
18486         * c-parse.in (asm_string): Add trailing semicolon.
18487
18488 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18489
18490         * c-parse.in (asm_string): New.  Don't allow wide strings in
18491         'asm'.
18492         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
18493         asm_string instead of STRING.
18494
18495 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18496
18497         * c-typeck.c (constructor_no_implicit): Remove.
18498         (set_designator, process_init_element): Don't check
18499         constructor_no_implicit.
18500
18501 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
18502             Kaz Kojima  <kkojima@gcc.gnu.org>
18503
18504         PR target/16482
18505         * lcm.c (create_pre_exit): New.
18506         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
18507         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
18508
18509 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18510
18511         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
18512         -msoft-float in target_float_switch.
18513         * arm.c (arm_override_options): Fix processing of target_float_switch.
18514
18515 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18516
18517         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
18518         preferencing.
18519
18520 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
18521
18522         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
18523         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
18524
18525 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18526
18527         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
18528         if deleting the then-block allows the test-block to fallthru to the
18529         else-block.
18530
18531 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
18532
18533         PR c/19152
18534         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
18535         after the full declaration if the are in two different TUs.
18536
18537 2005-01-04  Richard Henderson  <rth@redhat.com>
18538
18539         PR tree-opt/19158
18540         * tree-sra.c (generate_one_element_init): Just
18541         call gimplify_and_add.
18542         (generate_element_init): Record the
18543         new referenced variables and mark them for renaming
18544         and split out to ...
18545         (generate_element_init_1): This.
18546         (scalarize_init): Don't call push_gimplify_context/
18547         pop_gimplify_context.
18548
18549 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
18550
18551         * toplev.c (get_src_pwd): Handle failure of getpwd().
18552
18553 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18554
18555         * fold-const.c (fold_single_bit_test): Delete unreachable handling
18556         of TRUTH_NOT_EXPR.
18557         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
18558         all the cases handled by it are inverted by invert_truthvalue.
18559
18560 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18561
18562         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
18563         (save_register_windowsi): Likewise.
18564
18565 2005-01-04  Richard Henderson  <rth@redhat.com>
18566
18567         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
18568
18569 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18570
18571         PR middle-end/17767
18572         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
18573         any simplifications of vector mode comparison operators.
18574         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
18575
18576 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
18577             Devang Patel  <dpatel@apple.com>
18578
18579         PR tree-optimization/18308
18580         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
18581         the operands before creating a new expression.
18582         * dojump.c (do_jump): Make drop_through_label available
18583         for all cases.  Add expansion of COND_EXPR.
18584
18585 2005-01-04  Ira Rosen  <irar@il.ibm.com>
18586
18587         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
18588         INTEGER_CST instead of TREE_CONSTANT.
18589         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
18590         instead of TREE_CONSTANT.
18591         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
18592         instead of TREE_CONSTANT.
18593
18594 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18595
18596         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
18597
18598 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18599
18600         PR target/19240
18601         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
18602         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
18603
18604 2005-01-03  Richard Henderson  <rth@redhat.com>
18605
18606         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
18607         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
18608         fold_convert_const_real_from_real): Split out from ...
18609         (fold_convert_const): ... here.
18610
18611 2005-01-03  Richard Henderson  <rth@redhat.com>
18612
18613         PR target/19235
18614         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
18615         (mov<MMXMODEI>_internal): Likewise.
18616         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
18617         Add V2SF case; use it for SSE1; don't use TI.
18618         (movdf_integer): Likewise.
18619         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
18620
18621 2005-01-03  Ira Rosen  <irar@il.ibm.com>
18622
18623         * tree-vectorizer.c (vect_strip_conversions): New function.
18624         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
18625         check for binary class.
18626
18627 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
18628
18629         Fix PR debug/17924
18630         Fix PR debug/19191
18631         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
18632         is a decl.
18633         * gimple-low.c (mark_blocks_with_used_vars): New function.
18634         (mark_blocks_with_used_subblocks): Ditto.
18635         (mark_used_blocks): Ditto.
18636         (pass_mark_used_blocks): New pass.
18637         * tree-inline.c: Include debug.h.
18638         (expand_call_inline): Call outlining_inline_function here.
18639         * tree-optimize.c (init_tree_optimization_passes): Add
18640         pass_mark_used_blocks.
18641         * tree-pass.h (pass_mark_used_blocks): New.
18642         * Makefile.in (tree-inline.o): Add debug.h dependency.
18643
18644 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
18645
18646         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
18647         VAR_DECLs to have weak_import attribute.
18648
18649         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
18650         'struct ucontext'.
18651
18652 2004-01-03  Steven Bosscher  <stevenb@suse.de>
18653
18654         * passes.c (rest_of_compilation): Don't run regmove if only
18655         flag_expensive_optimizations, require flag_regmove instead.
18656
18657 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18658
18659         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
18660         register "sparc".
18661         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
18662         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18663         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
18664         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18665
18666 2005-01-03  Richard Henderson  <rth@redhat.com>
18667
18668         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
18669         (ia64_const_ok_for_letter_p): New.
18670         (ia64_const_double_ok_for_letter_p): New.
18671         (ia64_extra_constraint): New.
18672         (ia64_expand_vecint_compare): New.
18673         (ia64_expand_vcondu_v2si): New.
18674         (ia64_expand_vecint_cmov): New.
18675         (ia64_expand_vecint_minmax): New.
18676         (ia64_print_operand): Add 'v'.
18677         (ia64_preferred_reload_class): New.
18678         (ia64_vector_mode_supported_p): New.
18679         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
18680         (PREFERRED_RELOAD_CLASS): Move to function.
18681         (CONST_OK_FOR_LETTER_P): Move to function.
18682         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
18683         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
18684         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
18685         (EXTRA_CONSTRAINT): Move to function.
18686         * config/ia64/ia64.md: Include vect.md.
18687         (itanium_class): Add mmalua.
18688         (type): Handle it.
18689         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
18690         (1b_mmalua): New.
18691         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
18692         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
18693         CONST0_RTX.
18694         (const_int_2bit_operand): New.
18695         (fr_reg_or_0_operand): New.
18696         * config/ia64/ia64-modes.def: Add vector modes.
18697         * config/ia64/ia64-protos.h: Update.
18698         * config/ia64/vect.md: New file.
18699
18700 2005-01-03  Richard Henderson  <rth@redhat.com>
18701
18702         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
18703
18704 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
18705
18706         PR target/19236
18707         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
18708         to SFmode.
18709         (log1pdf2): Change mode of operands[0,1] to DFmode.
18710
18711 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18712
18713         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
18714         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
18715         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
18716         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
18717         SPARC_RELAXED_ORDERING.
18718
18719 2005-01-03  Richard Henderson  <rth@redhat.com>
18720             Uros Bizjak  <uros@kss-loka.si>
18721
18722         PR target/14631
18723         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
18724         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
18725         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
18726         handling.
18727         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
18728         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
18729         const_pow2_1_to_128_operand): New predicates.
18730
18731 2005-01-02  Greg McGary  <greg@mcgary.org>
18732
18733         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
18734         anonymous decls.
18735         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
18736         object.  [ptr_type]: Remove unused variable.
18737         Remember nearest addressable array-element or record-component
18738         when checking bitfield components.  Tolerate empty BIND_EXPR.
18739
18740 2005-01-01  Richard Henderson  <rth@redhat.com>
18741
18742         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
18743         that don't narrow the value.  Fail for other conversions.
18744
18745 2005-01-01  Richard Henderson  <rth@redhat.com>
18746
18747         PR c/19031
18748         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
18749         * c-lang.c (finish_file): Don't do it here.
18750         * objc/objc-act.c (objc_finish_file): Likewise.
18751
18752         * cgraph.c (decl_assembler_name_equal): New.
18753         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
18754         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
18755         * cgraph.h (struct cgraph_varpool_node): Add next.
18756         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
18757         * varasm.c (assemble_alias): Mark the target as needed.
18758
18759 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
18760
18761         PR middle-end/19221
18762         * function.c (get_arg_pointer_save_area): Use entry_of_function
18763         instead of get_insns.
18764
18765 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18766             Andrew Pinski  <pinskia@physics.uc.edu>
18767             James E. Wilson  <wilson@specifixinc.com>
18768
18769         PR rtl-optimization/12092
18770         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
18771         is zero.
18772
18773 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18774             Olivier Hainque  <hainque@act-europe.fr>
18775
18776         * tree.c (int_fits_type_p): A narrower type always fits in a
18777         wider one, except for negative values into unsigned types.
18778
18779 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18780
18781         * tree.c (int_fits_type_p): Compare the result of force_fit_type
18782         with the original constant rather than require TREE_OVERFLOW.
18783
18784 2005-01-01  Steven Bosscher  <stevenb@suse.de>
18785
18786         PR middle-end/17544
18787         * c-decl.c (finish_function): If compiling C99, annotate the
18788         compiler generated return with the current file name and line 0.
18789         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
18790         the source line is greater than 0.
18791         (remove_bb): Likewise.