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* config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-11-25  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define
4         __XTENSA_WINDOWED_ABI__.
5
6 2004-11-25  Richard Henderson  <rth@redhat.com>
7
8         * dwarf2out.c (dwarf2out_stack_adjust): Add after_p argument.  Save
9         args_size adjustments for calls even with cfa as stack pointer.
10         Search calls for stack adjustments after the insn is issued.
11         (dwarf2out_frame_debug): Add after_p argument; pass it on.
12         * dwarf2out.h (dwarf2out_frame_debug): Update to match.
13         * final.c (final_start_function, final_scan_insn): Likewise.
14
15 2004-11-25  Richard Henderson  <rth@redhat.com>
16
17         PR c++/6764
18         * reload1.c (set_initial_eh_label_offset): New.
19         (set_initial_label_offsets): Use it.
20
21 2004-11-25  Kaz Kojima  <kkojima@gcc.gnu.org>
22
23         * config/sh/sh.c (sh_output_mi_thunk): Initialize bitmap obstacks
24         before calling life_analysis and release them after.
25
26 2004-11-25  Kazu Hirata  <kazu@cs.umass.edu>
27
28         * tree-ssa-forwprop.c (substitute_single_use_vars): Remove
29         duplicate code.
30
31 2004-11-25  Andrew Pinski <pinskia@physics.uc.edu>
32
33         * bitmap.h (BITMAP_XMALLOC): Use BITMAP_ALLOC and not
34         BITMAP_OBSTACK_ALLOC.
35         (BITMAP_XFREE): Use BITMAP_FREE and not BITMAP_OBSTACK_FREE.
36
37 2004-11-25  Andrew Pinski <pinskia@physics.uc.edu>
38
39         parts of PR rtl-opt/18463, rtl-opt/17647
40         * cse.c (canon_for_address): New function.
41         (find_best_addr): Call canon_for_address before getting the
42         address's cost when checking if we should take that address.
43
44 2004-11-25  Kazu Hirata  <kazu@cs.umass.edu>
45
46         * tree-phinodes.c (add_phi_arg): Take "tree" instead of
47         "tree *" as the first argument.
48         * tree-flow.h: Update the prototype of add_phi_arg.
49         * lambda-code.c, tree-cfg.c, tree-into-ssa.c,
50         tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
51         tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
52         tree-vectorizer.c: Update all call sites of add_phi_arg.
53
54 2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>
55
56         * bitmap.c (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
57         * bitmap.h (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
58         (BITMAP_XMALLOC): Forward to BITMAP_OBSTACK_ALLOC.
59         (BITMAP_XFREE): Forward to BITMAP_OBSTACK_FREE.
60
61 2004-11-25  Andrew MacLeod  <amacleod@redhat.com>
62
63         PR tree-optimization/18587
64         * tree-flow-inline.h (mark_call_clobbered, mark_non_addressable): Flag
65         call clobbered caches as invalid.
66         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): New.  Flag 
67         indicating whether the call clobbered operand cache is valid.
68         (ssa_ro_call_cache_valid): New.  Flag indicating whether the
69         pure/const call operand cache is valid.
70         (clobbered_v_may_defs, clobbered_vuses, ro_call_vuses): New.  Cached 
71         list of operands for cached call virtual operands.
72         (clobbered_aliased_loads, clobbered_aliased_stores, 
73         ro_call_aliased_load): New.  flags caching whether alias bits are
74         to be set in call stmt's.
75         (fini_ssa_operands): Remove call operand caches if present.
76         (get_expr_operands, get_asm_expr_operands,
77         get_indirect_ref_operands): Pass stmt annotation to add_stmt_operand.
78         (get_call_expr_operands): Add call clobbered variables first.
79         (add_stmt_operand): Take stmt annotation rather than stmt as a param.
80         (add_call_clobber_ops, add_call_read_ops): Use the call operand cache
81         if it is valid, otherise fill the cache.
82         * tree-ssa-operands.h (ssa_clobbered_cache_valid): Declare extern.
83         * tree-flow.h (struct var_ann_d): Add in_vuse_list and
84         in_v_may_def_list bits.
85         * tree-ssa-operands.c (cleanup_v_may_defs): New.  Clear the
86         in_list bits for the v_may_def elements and empty the operand
87         build array
88         (finalize_ssa_vuses): Use cleanup_v_may_defs and remove redundant
89         VUSES by checking the in_v_may_def_list bit.
90         (append_v_may_def, append_vuse): Use the in_list bit rather than 
91         scanning the array for duplicates.
92
93 2004-11-25  Ulrich Weigand  <uweigand@de.ibm.com>
94
95         * config/s390/s390.c (s390_short_displacement): UNSPEC_GOTNTPOFF
96         displacements are not short.
97
98 2004-11-25  Ulrich Weigand  <uweigand@de.ibm.com>
99
100         * config/s390/s390.c (legitimize_pic_address): Use s390_load_address
101         to load addresses.
102
103 2004-11-25  Mark Mitchell  <mark@codesourcery.com>
104
105         PR c++/18001
106         * c-common.h (lvalue_use): Move here from c-ctypeck.c.
107         (lvalue_or_else): Declare.
108         * c-common.c (lvalue_or_else): Move here from c-typeck.c.
109         * c-typeck.c (lvalue_use): Remove.
110         (lvalue_or_else): Remove.
111
112         PR c++/18556
113         * toplev.c (check_global_declarations): Set DECL_IGNORED_P on
114         unemitted variables with static storage duration.
115
116 2004-11-25  Gerald Pfeifer  <gerald@pfeifer.com>
117
118         * tree-cfg.c (tree_verify_flow_info): Do not terminate error()
119         message with \n.
120
121 2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>
122
123         * config/rs6000/altivec.md (VIshort): New mode macro.
124         (altivec_vaddubs, altivec_vadduhs, altivec_vadduws): Replace
125         with ...
126         (altivec_vaddu<VI_char>s): ... this.
127         (altivec_vaddsbs, altivec_vaddshs, altivec_vaddsws): Replace
128         with ...
129         (altivec_vadds<VI_char>s): ... this.
130         (altivec_vsububs, altivec_vsubuhs, altivec_vsubuws): Replace
131         with ...
132         (altivec_vsubu<VI_char>s): ... this.
133         (altivec_vsubsbs, altivec_vsubshs, altivec_vsubsws): Replace
134         with ...
135         (altivec_vsubs<VI_char>s): ... this.
136         (altivec_vavgub, altivec_vavguh, altivec_vavguw): Replace
137         with ...
138         (altivec_vavgu<VI_char>): ... this.
139         (altivec_vavgsb, altivec_vavgsh, altivec_vavgsw): Replace
140         with ...
141         (altivec_vavgs<VI_char>): ... this.
142         (altivec_vmsumubm, altivec_vmsumuhm): Replace with ...
143         (altivec_vmsumu<VI_char>m): ... this.
144         (altivec_vmsummbm, altivec_vmsummhm): Replace
145         with ...
146         (altivec_vmsumm<VI_char>m): ... this.
147         (altivec_vandc): Remove.
148         (*andc<mode>3): Renamed to ...
149         (andc<mode>3): ... here. Swap operand 1 and 2 numbering.
150         (altivec_vrlb, altivec_vrlh, altivec_vrlw): Replace
151         with ...
152         (altivec_vrl<VI_char>): ... this.
153         (altivec_vslb, altivec_vslh, altivec_vslw): Replace
154         with ...
155         (altivec_vsl<VI_char>): ... this.
156         (altivec_vsrb, altivec_vsrh, altivec_vsrw): Replace
157         with ...
158         (altivec_vsr<VI_char>): ... this.
159         (altivec_vsrab, altivec_vsrah, altivec_vsraw): Replace
160         with ...
161         (altivec_vsra<VI_char>): ... this.
162         (altivec_vsum4sbs, altivec_vsum4shs): Replace with ...
163         (altivec_vsum4s<VI_char>s): ... this.
164         (altivec_vperm_4si, altivec_vperm_8hi, altivec_vperm_16qi): Replace
165         with ...
166         (altivec_vperm_<mode>): ... this.
167         (altivec_vsel_4sf): Rename to ...
168         (altivec_vsel_v4sf): ... here.
169         (altivec_vsel_4si, altivec_vsel_8hi, altivec_vsel_16qi): Replace
170         with ...
171         (altivec_vsel_<mode>): ... this.
172         (altivec_vsldoi_4si, altivec_vsldoi_8hi,
173         altivec_vsldoi_16qi): Rename to ...
174         (altivec_vsldoi_v4si, altivec_vsldoi_v8hi,
175         altivec_vsldoi_v16qi): ... here.
176         (altivec_vsldoi_4sf): Rename to ...
177         (altivec_vsldoi_v4sf): ... here.
178         (altivec_predicate_v4si, altivec_predicate_v8hi,
179         altivec_predicate_v16qi): Replace with ...
180         (altivec_predicate_<mode>): ... this.
181         (altivec_lvebx, altivec_lvehx, altivec_lvewx): Replace
182         with ...
183         (altivec_lve<VI_char>x): ... this.
184         (altivec_stvebx, altivec_stvehx, altivec_stvewx): Replace
185         with ...
186         (altivec_stve<VI_char>x): ... this.
187         (absv16qi2, absv8hi2, absv4si2): Replace
188         with ...
189         (abs<mode>2): ... this.
190         (altivec_abss_v16qi, altivec_abss_v8hi, altivec_abss_v4si): Replace
191         with ...
192         (altivec_abss_<mode>): ... this.
193         (vec_realign_load_v16qi, vec_realign_load_v8hi,
194         vec_realign_load_v4si): Replace with ...
195         (vec_realign_load_<mode>): ... this.
196         * config/rs6000/rs6000.c (bdesc_3arg, bdesc_2arg): Update tweaked
197         insn names.
198         (rs6000_expand_ternop_builtin): Likewise.
199
200 2004-11-25  Andrew Haley  <aph@redhat.com>
201
202         * gcc.c (process_command): Don't supply -v to linker.
203
204 2004-11-25  Joseph S. Myers  <joseph@codesourcery.com>
205
206         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Use %qs
207         instead of `%s' in diagnostic.
208
209 2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>
210
211         * basic-block.h (OBSTACK_ALLOC_REG_SET): Adjust.
212         (FREE_REG_SET): Adjust.
213         * bitmap.c (bitmap_obstack_free): Cope with NULL bitmap.
214         * bitmap.h (BITMAP_OBSTACK_ALLOC): Rename to ...
215         (BITMAP_ALLOC): ... here.
216         (BITMAP_OBSTACK_FREE): Rename to ...
217         (BITMAP_FREE): Don't check for NULL bitmap here.
218         * tree-ssa-pre.c (value_insert_into_set_bitmap,
219         bitmap_set_new): Use new names.
220
221         * bt-load.c (migrate_btr_defs): Remove unneeded NULL check.
222         * df.c (df_free): Likewise.
223         * ra-build.c (ra_build_free, ra_build_free_all): Likewise.
224         * tree-ssa-loop-ivopts.c (set_use_iv_cost): Likewise.
225
226         * basic-block.h (OBSTACK_ALLOC_REG_SET): Rename to ...
227         (ALLOC_REG_SET): ... here.
228         (FREE_REG_SET): Adjust.
229         (XMALLOC_REG_SET, XFREE_REG_SET): Remove.
230         * bb-reorder.c (fix_crossing_conditional_branches): Adjust.
231         * cfglayout.c (cfg_layout_duplicate_bb): Adjust.
232         * cfgrtl.c (rtl_split_block, rtl_split_edge,
233         safe_insert_insn_on_edge, cfg_layout_split_edge): Adjust.
234         * flow.c (update_life_info, calculate_global_regs_live,
235         allocate_bb_life_data, init_propagate_block_info): Adjust.
236         * global.c (build_insn_chain): Adjust.
237         * ifcvt.c (dead_or_predicable): Adjust.
238         * loop-iv.c (simplify_using_initial_values): Adjust.
239         * recog.c (peephole2_optimize): Adjust.
240         * sched-deps.c (init_deps_global): Adjust.
241
242 2004-11-25  Ralf Corsepius <ralf.corsepius@rtems.org>
243
244         * config.gcc (avr-*-rtems*): Fix typo.
245
246 2004-11-25  J"orn Rennecke <joern.rennecke@st.com>
247
248         * sh.c (sh_output_mi_thunk): Do not call regset_release_memory.
249
250 2004-11-24  Jeff Law  <law@redhat.com>
251
252         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Reduce
253         the number of queries to random elements in the ai->written_vars
254         bitmap.
255
256 2004-11-24  Roger Sayle  <roger@eyesopen.com>
257
258         * config/i386/i386.c (override_options): Disable x87 fancy math
259         intrinsics if -mfpmath= doesn't include 387 (default on x86_64).
260
261 2004-11-24  Roger Sayle  <roger@eyesopen.com>
262
263         * configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a
264         system header conflict on AIX 5.2.
265         * configure: Regenerate.
266
267 2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>
268
269         * tree-outof-ssa.c (coalesce_abnormal_edges): Use e->dest_idx
270         instead of calling phi_arg_from_edge.
271
272         * tree-phinodes.c (remove_phi_args): Replace phi_arg_from_edge
273         with e->dest_idx.
274
275 2004-11-24  Ben Elliston  <bje@au.ibm.com>
276
277         * config/i386/i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
278         * config/i386/i386.c (i386_dwarf_output_addr_const): Likewise.
279         * config/i386/i386-protos.h (i386_dwarf_output_addr_const):
280         Likewise.
281         
282 2004-11-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
283
284         * tree-sra.c (sra_walk_modify_expr): Handle RHS first, then LHS.
285
286         * tree-inline.c (copy_body_r): Explicitly copy a constant if the
287         type will be remapped.
288
289 2004-11-24  Steven Bosscher  <stevenb@suse.de>
290
291         * c-opts.c (c_common_post_options): Don't clear
292         flag_inline_functions.
293         * dojump.c (clear_pending_stack_adjust): Remove check on
294         flag_inline_functions, it's always true.
295         * config/alpha/alpha.md (movdi_er_maybe_g): Remove splitter
296         that can never trigger.
297         * config/c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): Don't look at
298         flag_inline_trees, now that flag_inline_functions is never
299         cleared.
300         * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Don't set
301         flag_inline_functions at optimization levels greater than
302         or equal to 3.  This is already done by default.
303
304 2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>
305
306         * tree-outof-ssa.c (eliminate_build): Use g->e->dest_idx
307         instead to find the PHI argument.  Do not take I as an
308         argument.
309         (eliminate_phi): Adjust the call to eliminate_build.  Do not
310         take I as an argument.
311         (rewrite_trees): Adjust the call to eliminate_phi.
312
313 2004-11-24  Richard Sandiford  <rsandifo@redhat.com>
314
315         * optabs.h (force_expand_binop): Declare.
316         * optabs.c (force_expand_binop): Export.
317         * stmt.c (shift_return_value): Delete.
318         (expand_return): Don't call it.
319         * expr.h (shift_return_value): Declare.
320         * calls.c (shift_returned_value): Delete in favor of...
321         (shift_return_value): ...this new function.  Leave the caller to check
322         for non-BLKmode values passed in the msb of a register.  Take said mode
323         and a shift direction as argument.  Operate on the hard function value,
324         not a pseudo.
325         (expand_call): Adjust accordingly.
326         * function.c (expand_function_start): If a non-BLKmode return value
327         is padded at the last significant end of the return register, use the
328         return value's natural mode for the DECL_RESULT, not the mode of the
329         padded register.
330         (expand_function_end): Shift the same sort of return values left by
331         the appropriate amount.
332
333 2004-11-24  Matt Austern  <austern@apple.com>
334
335         * recog.c (recog_memoized_1): Remove.
336         * recog.h (recog_memoized_1): Remove declaration.
337         (recog_memoized): Change from macro to inline function.
338         
339 2004-11-24  Devang Patel  <dpatel@apple.com>
340
341         PR/18555
342         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add isysroot.
343         * config/darwin-c.c (darwin_register_frameworks): Use sysroot.
344
345 2004-11-24  Devang Patel  <dpatel@apple.com>
346
347         * gcc.c (process_command): Supply -v to linker.
348         
349 2004-11-24  David Edelsohn  <edelsohn@gnu.org>
350             Paolo Bonzini  <bonzini@gnu.org>
351
352         * config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
353         vector modes without ALTIVEC_ABI.  Use GCC vector instead of
354         synthetic vector.
355         (rs6000_pass_by_reference): Split conditional into pieces.  Use
356         GCC vector instead of synthetic vector.
357
358 2004-11-24  Aldy Hernandez  <aldyh@redhat.com>
359
360         * tree.c (recompute_tree_invarant_for_addr_expr): The address of a
361         thread-local variable is invariant.
362
363 2004-11-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
364
365         * tree-pretty-print.c (dump_generic_node, case POINTER_TYPE):
366         Handle TYPE_REF_CAN_ALIAS_ALL.
367         (print_declaration): Print array dimensions like dump_generic_node.
368
369         * fold-const.c (operand_equal_p): Remove kludge allowing ARG0 and
370         ARG1 to be null; instead define OP_SAME and OP_SAME_NULL and use them.
371
372 2004-11-24  Nathan Sidwell  <nathan@codesourcery.com>
373
374         * bitmap.c (INLINE): Do not define.
375         (bitmap_elem_to_freelist, bitmap_element_free,
376         bitmap_element_allocate, bitmap_clear, bitmap_element_zerop,
377         bitmap_element_link, bitmap_find_bit): Use inline keyword/macro.
378
379 2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>
380
381         * tree-ssa-dom.c (cprop_into_successor_phis): Remove code to
382         find the index of a PHI argument.  Use e->dest_idx instead.
383         Replace hint with index.
384
385         * tree-ssa-dom.c (cprop_into_successor_phis): Replace index
386         with indx.
387
388 2004-11-24  Diego Novillo  <dnovillo@redhat.com>
389
390         * tree-ssa-alias.c (merge_pointed_to_info): Fix comment
391         regarding PT_MALLOC.
392
393 2004-11-24  Joseph Myers  <joseph@codesourcery.com>
394
395         * config/i386/i386.c (optimization_options): Use
396         SUBTARGET_OPTIMIZATION_OPTIONS.
397         * config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define.
398         (TARGET_SUBTARGET_DEFAULT): Don't include
399         MASK_OMIT_LEAF_FRAME_POINTER.
400
401 2004-11-24  Mark Mitchell  <mark@codesourcery.com>
402
403         * config/i386/sol2.h (X86_FILE_START_VERSION_DIRECTIVE): 
404         Define to false.
405
406 2004-11-24  Joseph Myers  <joseph@codesourcery.com>
407
408         * config/i386/t-sol2-10 (MULTILIB_DIRNAMES, MULTILIB_OSDIRNAMES):
409         Use amd64 instead of 64.
410
411 2004-11-24  Mark Mitchell  <mark@codesourcery.com>
412             Joseph Myers  <joseph@codesourcery.com>
413
414         * crtstuff.c (IN_LIBGCC2): Define it.
415         (EH_FRAME_SECTION_CONST): Check EH_TABLES_CAN_BE_READ_ONLY
416         instead of HAVE_LD_RO_RW_SECTION_MIXING.
417         * defaults.h (EH_TABLES_CAN_BE_READ_ONLY): New macro.
418         * dwarf2out.c (named_section_eh_frame_section): Check
419         EH_TABLES_CAN_BE_READ_ONLY.
420         * except.c (default_exception_section): Likewise.
421         * config/i386/sol2.h (EH_TABLES_CAN_BE_READ_ONLY): Define.
422         * doc/tm.texi (EH_TABLES_CAN_BE_READ_ONLY): Document.
423
424 2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>
425
426         * tree-ssa-pre.c (phi_translate): Use find_edge to find the
427         index of a PHI argument.
428
429         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi): Use
430         find_edge to find the index of a PHI argument.
431
432 2004-11-24  Steven Bosscher  <stevenb@suse.de>
433
434         * expr.c (expand_expr_real_1): Remove cases for EXIT_BLOCK_EXPR 
435         and LABELED_BLOCK_EXPR.
436         * gimplify.c (gimplify_labeled_block_expr): Remove.
437         (gimplify_exit_block_expr): Remove.
438         (gimplify_expr): Don't call them.
439         * tree-inline.c (copy_body_r): Don't handle EXIT_BLOCK_EXPR
440         and LABELED_BLOCK_EXPR.
441         (estimate_num_insns_1): Likewise.
442         (walk_tree): Likewise.
443         * tree-pretty-print.c (dump_generic_node): Don't handle
444         EXIT_BLOCK_EXPR and LABELED_BLOCK_EXPR.
445         * tree.def (EXIT_BLOCK_EXPR): Moved to java-tree.def.
446         (LABELED_BLOCK_EXPR): Likewise.
447         * tree.h (LABELED_BLOCK_LABEL): Moved to java-tree.h.
448         (LABELED_BLOCK_BODY): Likewise.
449         (EXIT_BLOCK_LABELED_BLOCK): Likewise.
450         (EXIT_BLOCK_RETURN): Removed.
451
452 2004-11-24  Steven Bosscher  <stevenb@suse.de>
453
454         * cfgrtl.c (rtl_delete_block): Fix comment.
455         * emit-rtl.c (remove_unnecessary_notes): Die if we see BLOCK_BEG
456         or BLOCK_END insn notes.
457         * jump.c (squeeze_notes): Likewise.
458         * haifa-sched.c (reemit_notes): Don't "re-emit" EH_REGION_BEG and
459         EH_REGION_END notes, we never have them to begin with.
460         * sched-deps.c (sched_analyze_insn): When updating loop notes,
461         verify that we have indeed only recorded loop notes.
462         (sched_analyze): Die if we see EH_REGION_BEG or EH_REGION_END notes.
463         Only record loop notes.
464
465         * cfgexpand.c (tree_expand_cfg): Fix comment.
466
467         * passes.c (rest_of_compilation): Don't do a second call to
468         convert_from_eh_region_ranges from here, it's already called
469         from cfgexpand.c.
470         * except.c (resolve_fixup_regions): Remove.
471         (remove_fixup_regions): Remove.
472         (convert_from_eh_region_ranges_1): Remove.
473         (convert_from_eh_region_ranges): Remove the case where EH is
474         not already lowered at the tree level.  We always lower there.
475
476 2004-11-24  Paolo Bonzini  <bonzini@gnu.org>
477
478         PR c++/16882
479         * tree.c (make_vector_type): Move qualifiers to the vector type,
480         use the inner type's main variant and build a main variant for
481         the vector type if necessary.
482         (type_hash_eq): Check a vector type's TYPE_VECTOR_SUBPARTS.
483
484 2004-11-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
485
486         * target.h (late_rtl_prologue_epilogue): Remove.
487         * target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
488         * system.h: Poison TARGET_LATE_RTL_PROLOGUE_EPILOGUE.
489         * passes.c (rest_of_handle_prologue_epilogue): Remove and move
490         remaining bits to...
491         (rest_of_handle_flow2): ...here.
492         (rest_of_compilation): Remove call to rest_of_handle_prologue_epilogue.
493         * doc/tm.texi (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
494
495 2004-11-23  Mark Mitchell  <mark@codesourcery.com>
496
497         * hwint.h (HOST_LONG_LONG_FORMAT): New macro.  Use it throughout.
498         * config/i386/xm-mingw32.h (HOST_LONG_LONG_FORMAT): Define.
499         * doc/hostconfig.texi (HOST_LONG_LONG_FORMAT): Document.
500
501 2004-11-24  Daniel Jacobowitz  <dan@codesourcery.com>
502
503         * config/i386/i386.c (override_options): Move
504         SUBTARGET_OVERRIDE_OPTIONS before defaulting
505         flag_omit_frame_pointer.
506
507 2004-11-23  Richard Henderson  <rth@redhat.com>
508
509         * rtl.h (validate_subreg): Declare.
510         * emit-rtl.c (validate_subreg): New.
511         (gen_rtx_SUBREG): Use it.
512         * simplify-rtx.c (simplify_subreg): Likewise.
513         (simplify_gen_subreg): Likewise.  Remove duplicate asserts.
514         * expr.c (emit_move_insn_1): Tidy complex move code.  Use memory
515         fallback whenever gen_realpart/gen_imagpart would not be able to
516         create SUBREGs.
517
518 2004-11-23  Richard Henderson  <rth@redhat.com>
519
520         * expmed.c (extract_bit_field): Use simplify_gen_subreg instead of
521         hard-coding avoiding calls to gen_rtx_SUBREG.  Split complex return
522         modes to CONCAT.
523
524 2004-11-23  Diego Novillo  <dnovillo@redhat.com>
525
526         PR tree-optimization/18618
527         * tree-into-ssa.c (DEF_VEC_MALLOC_P(basic_block)): Declare.
528         (insert_phi_nodes_for): Change third argument to VEC(basic_block).
529         * tree-ssa-dom.c (avail_exprs_stack): Change type to VEC(tree_on_heap).
530         Update all users.
531         (stmts_to_rescan): Likewise.
532         (const_and_copies_stack): Likewise.
533         (nonzero_vars_stack): Likewise.
534         (vrp_variables_stack): Likewise.
535
536 2004-11-23  Richard Henderson  <rth@redhat.com>
537
538         * cse.c (record_jump_cond_subreg): New.
539         (record_jump_cond): Use it instead of gen_lowpart.
540
541 2004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
542             Joseph Myers  <joseph@codesourcery.com>
543
544         * config/sol2-c.c (solaris_register_pragmas): Use
545         c_register_pragma_with_expansion.
546         * config/sol2.h (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Define.
547         * c-pragma.c (c_register_pragma): Update call to
548         cpp_register_pragma.
549         (c_register_pragma_with_expansion): New function.
550         (init_pragma): Honor HANDLE_PRAGMA_PACK_WITH_EXPANSION.
551         * c-pragma.h (c_register_pragma_with_expansion): New prototype.
552         * doc/extend.texi (Solaris Pragmas): Mention macro expansion for
553         #pragma align.
554         * doc/tm.texi (c_register_pragma_with_expansion,
555         HANDLE_PRAGMA_PACK_WITH_EXPANSION): Document.
556
557 2004-11-23  Richard Henderson  <rth@redhat.com>
558
559         * combine.c (gen_lowpart_for_combine): Factor out mode of x as well
560         as mode sizes into local temporaries.  Unify failure path.
561
562 2004-11-23  Richard Henderson  <rth@redhat.com>
563
564         * emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
565         * caller-save.c (mark_set_regs): Use subreg_regno instead.
566         * final.c (alter_subreg): Likewise.
567         * local-alloc.c (reg_is_born): Likewise.
568
569 2004-11-23  Richard Henderson  <rth@redhat.com>
570
571         * simplify-rtx.c (simplify_subreg): Use subreg_regno_offset directly
572         instead of using a SUBREG temporary.
573
574 2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>
575
576         * tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
577         two checks.
578
579 2004-11-23  Zack Weinberg  <zack@codesourcery.com>
580
581         * function.h (struct function): Remove calls_longjmp.
582         (current_function_calls_longjmp): Delete.
583         * tree.h (ECF_LONGJMP): Delete.
584         (ECF_SIBCALL, ECF_PURE, ECF_SP_DEPRESSED, ECF_ALWAYS_RETURN)
585         (ECF_LIBCALL_BLOCK): Everybody slide down one.
586         (ECF_CONST, ECF_NORETURN, ECF_SIBCALL): Clarify comments.
587         * builtins.c (expand_builtin_longjmp): Don't set
588         current_function_calls_longjmp.
589         * calls.c (special_function_p): Mark longjmp and siglongjmp
590         with ECF_NORETURN, not ECF_LONGJMP.
591         (emit_call_1, expand_call, emit_library_call_value_1):
592         Don't check for ECF_LONGJMP.
593         * tree-cfg.c (make_exit_edges, is_ctrl_altering_stmt)
594         (need_fake_edge_p): Likewise.
595
596         * config/avr/avr.h, config/ip2k/ip2k.h: Don't define NON_SAVING_SETJMP.
597         * system.h: Poison NON_SAVING_SETJMP.
598         * function.c (use_register_for_decl)
599         * gcse.c (compute_hash_table_work, compute_store_table)
600         * postreload-gcse.c (record_opr_changes)
601         * reload.c (find_equiv_reg)
602         * reload1.c (reload)
603         * config/i386/i386.c (ix86_can_use_return_insn_p):
604         Remove code conditional on NON_SAVING_SETJMP.
605         * doc/tm.texi: Delete documentation of NON_SAVING_SETJMP.
606
607         * config/i386/sysv3.h: Delete file.
608         * config/i386/i386.c (ix86_svr3_asm_out_constructor): Delete.
609
610 2004-11-23  Dorit Naishlos  <dorit@il.ibm.com>
611
612         * tree-vectorizer.c (vect_analyze_operations): Don't vectorize if
613         the vectorization factor is greater than the iteration count.
614         (vect_gen_niters_for_prolog_loop): No need to calculate min if the
615         iteration count is known.
616
617         (vect_build_symbol_bound): Removed. Its functionality moved to
618         vect_generate_tmps_on_preheader.
619         (vect_generate_tmps_on_preheader): Moved content of
620         vect_build_symbol_bound here instead of calling it.  Changed some
621         variables names.
622
623         (vect_build_loop_niters): We don't expect a new_bb to be generated -
624         use gcc_assert.
625         (vect_gen_niters_for_prolog_loop): Likewise.
626         (vect_gen_niters_for_prolog_loo): Likewise.
627
628         (slpeel_make_loop_iterate_ntimes): Use buildN instead of build.
629         (slpeel_add_loop_guard): Likewise.
630         (slpeel_tree_peel_loop_to_edge): Likewise.
631         (vect_do_peeling_for_alignment): Likewise.
632
633         (vect_get_first_index): Missing space.
634
635 2004-11-23  Ulrich Weigand  <uweigand@de.ibm.com>
636
637         * config/s390/s390.md ("*iordi3"): Mark commutative.
638         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
639
640 2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>
641
642         * tree-phinode.c (resize_phi_node): Abort when LEN is strictly
643         greater than PHI_ARG_CAPACITY.
644         (reserve_phi_args_for_new_edge): Initialize the new PHI
645         argument to NULL_TREE.  Increment PHI_NUM_ARGS.
646         (add_phi_arg): Add a PHI argument to the slot given by
647         E->dest_idx.
648         (remove_phi_arg_num): Do not write to PHI_ARG_EDGE.
649         * tree-flow-inline (phi_arg_from_edge): Return E->dest_idx.
650         * tree-ssa.c (ssa_redirect_edge): Check for a missing PHI
651         argument by looking at PHI_ARG_DEF.
652         (verify_phi_args): Check for a missing PHI argument.  Remove
653         the check for duplicate PHI arguments.
654         * tree.h (PHI_ARG_EDGE): Redefine in terms of EDGE_PRED.
655         (phi_arg_d): Remove e.
656
657         * tree-cfg.c (tree_try_redirect_by_replacing_jump): Speed up
658         by restricting to the case with two outgoing edges.
659
660 2004-11-23  Andreas Krebbel  <krebbel1@de.ibm.com>
661
662         * config/s390/s390.c (s390_backchain_string): Removed.
663         (s390_return_addr_rtx, s390_back_chain_rtx, s390_frame_info)
664         (s390_emit_prologue, s390_va_start, s390_gimplify_va_arg):
665         Changed users of TARGET_BACKCHAIN, TARGET_NO_BACKCHAIN and
666         TARGET_KERNEL_BACKCHAIN to reflect the new options.
667         * config/s390/s390.h (MASK_BACKCHAIN, MASK_PACKED_STACK): New macros.
668         (TARGET_KERNEL_BACKCHAIN): Removed.
669         (TARGET_BACKCHAIN): Former triple state option change to a target flag.
670         (TARGET_PACKED_STACK): New macro.
671         (TARGET_SWITCHES): New switches added.
672         (TARGET_OPTIONS): "backchain", "no-backchain" and "kernel-backchain"
673         removed.
674         (DYNAMIC_CHAIN_ADDRESS): Use TARGET_PACKED_STACK.
675         * config/s390/s390.md ("allocate_stack", "restore_stack_block")
676         ("save_stack_nonlocal", "restore_stack_nonlocal"): Modified to reflect
677         the change in target switch semantics.
678         * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Removed.
679         (TARGET_DEFAULT): MASK_BACKCHAIN added.
680         * doc/invoke.texi: Added documentation for the new/changed options.
681
682 2004-11-23  Uros Bizjak  <uros@kss-loka.si>
683
684         PR rtl-optimization/18614
685         * simplify-rtx.c (simplify_binary_operation): Do not
686         simplify inner elements of constant arguments of
687         VEC_CONCAT insn.
688
689 2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
690
691         * gthr-solaris.h (__gthread_recursive_mutex_init_function): Use
692         0 instead of NULL.
693
694 2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>
695
696         * tree-phinode.c (make_phi_node): Use a new variable,
697         capacity, to receive the return value of ideal_phi_node_len.
698
699 2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
700
701         * gthr-solaris.h (__gthread_recursive_mutex_t): New type.
702         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
703         __gthread_recursive_mutex_init_function.
704         (__gthread_key_create): Properly cast -1.
705         (__gthread_recursive_mutex_init_function): New function.
706         (__gthread_recursive_mutex_lock): Rewrite.
707         (__gthread_recursive_mutex_trylock): Likewise.
708         (__gthread_recursive_mutex_unlock): Likewise.
709
710 2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>
711
712         * config/c4x/t-rtems: New.
713         * config.gcc: Reflect having added c4x/t-rtems.
714
715 2004-11-23  Dorit Naishlos <dorit@il.ibm.com>
716
717         PR tree-opt/18403
718         PR tree-opt/18505
719         * tree-vectorizer.c (vect_create_data_ref_ptr): Use
720         lang_hooks.types.type_for_size instead of integer_type_node for the
721         type of ptr_update.
722
723 2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>
724
725         * config.gcc (h8300-*-rtems*): Use h8300/t-rtems.
726
727 2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>
728
729         * config/arm/t-rtems: New.
730         * config.gcc: Reflect having added arm/t-rtems.
731
732 2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>
733
734         * tree-cfg.c (tree_execute_on_growing_pred): New.
735         (tree_cfg_hooks): Add tree_execute_on_growing_pred.
736         * tree-flow.h: Add a prototype for
737         reserve_phi_args_for_new_edge.
738         * tree-phinodes.c (reserve_phi_args_for_new_edge): New.
739         (add_phi_arg): Don't resize a PHI array.
740
741 2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>
742
743         * config.gcc: Add avr-*-rtems*.
744         * config/avr/t-rtems: New.
745         * config/avr/rtems.h: New.
746
747 2004-11-22  Daniel Berlin  <dberlin@dberlin.org>
748
749         * df.c (dataflow_set_a_op_b): Remove reslt parameter, since it's
750         always the same as op1.  Use bitmap_ior_into and bitmap_and_into.
751         Add comment to function.
752
753 2004-11-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
754
755         PR pch/14940
756         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __hppa__.
757
758         PR rtl-optimization/14838
759         * emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a
760         note.
761         (get_last_nonnote_insn): Don't assume last insn is a note.
762
763 2004-11-22  Roger Sayle  <roger@eyesopen.com>
764
765         * fold-const.c (nondestructive_fold_binary_to_constant): Rename
766         to fold_binary_to_constant.
767         (nondestructive_fold_unary_to_constant): Likewise, rename to
768         fold_unary_to_constant.
769         (fold_relational_hi_lo): Update call to fold_binary_to_constant.
770         * tree.h (nondestructive_fold_binary_to_constant): Update prototype.
771         (nondestructive_fold_unary_to_constant): Likewise.
772         * tree-ssa-ccp.c (ccp_fold): Update calls to fold_unary_to_constant
773         and fold_binary_to_constant.
774         * tree-ssa-loop-niter.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
775         (inverse, number_of_iterations_cond): Replace uses of EXEC_BINARY
776         and EXEC_UNARY with calls to fold_*nary_to_constant.
777         * tree-ssa-loop-ivopts.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
778         (idx_find_step): Replace uses of EXEC_BINARY with calls to
779         fold_binary_to_constant.
780
781 2004-11-22  Nick Clifton  <nickc@redhat.com>
782
783         * sbitmap.c (sbitmap_union_of_preds): Remove redundant
784         initialisation of 'e'.
785
786 2004-11-22  Roger Sayle  <roger@eyesopen.com>
787
788         * config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
789         * config/i386/i386.c (override_options):  Set MASK_NO_FANCY_MATH_387
790         automatically for targets without TARGET_80387.
791         * config/i386/i386.md (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
792         sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
793         *sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
794         fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
795         *sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
796         *cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
797         *tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
798         atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
799         atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
800         acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
801         log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
802         fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
803         logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
804         expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
805         exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
806         rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2,
807         floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
808         frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
809         frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
810         Simplify conditionals using TARGET_USE_FANCY_MATH_387.
811
812 2004-11-22  Dale Johannesen  <dalej@apple.com>
813
814         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Conditionalize
815         properly and comment.
816
817 2004-11-22  James A. Morrison  <phython@gcc.gnu.org
818
819         * config/sparc/sparc.c: Include insn-codes.h and langhooks.h.
820         (sparc_init_builtins): New function.
821         (sparc_init_vis_builtins): Create builtin functions for VIS
822         instructions.
823         (sparc_expand_builtin): Expand builtin functions for VIS instructions.
824         (TARGET_INIT_BUILTINS): Define to sparc_init_builtins.
825         (TARGET_EXPAND_BUILTIN): Define to sparc_expand_builtin.
826         (def_builtin): New macro for creating builtin functions.
827         (P): New mode macro for pointer types.
828         (UNSPEC_FPACK16, UNSPEC_FPACK32, UNSPEC_FPACKFIX, UNSPEC_FEXPAND,
829         UNSPEC_FPMERGE, UNSPEC_MUL16AL, UNSPEC_MUL8UL, UNSPEC_MULDUL,
830         UNSPEC_ALIGNDATA, UNSPEC_ALIGNADDR, UNSPEC_PDIST): New constants.
831         (fpack16_vis, fpackfix_vis, fpack32_vis, fexpand_vis, fpmerge_vis,
832         fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
833         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis, pdist_vis,
834         faligndata<V64:mode>_vis, alignaddr<P:mode>_vis): New patterns.
835
836 2004-11-22  Devang Patel  <dpatel@apple.com>
837
838         * tree-if-conv.c (clean_predicate_lists): Clean all basic blocks.
839
840 2004-11-22  Devang Patel  <dpatel@apple.com>
841
842         * tree-if-conv.c (if_convertable_phi_p): Rename to ...
843         (if_convertible_phi_p): ... new name.
844         (if_convertable_modify_expr_p): Rename to ...
845         (if_convertible_modify_expr_p): ... new name.
846         (if_convertable_stmt_p): Rename to ...
847         (if_convertible_stmt_p): ... new name.
848         (if_convertable_bb_p): Rename to ...
849         (if_convertible_bb_p): ... new name.
850         (if_convertable_loop_p): Rename to ...
851         (if_convertible_loop_p): ... new name.
852
853 2004-11-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
854
855         PR target/18444
856         * configure.ac (threading): Accept 'posix95'.
857         * configure: Regenerate.
858         * config.gcc (i[34567]86-*-solaris2*): On Solaris up to 2.6,
859         include sol26.h and default to posix95 threads if have_pthread_h.
860         (sparc-*-solaris2*): Likewise.
861         * gthr.h: Include gthr-posix95.h if _PTHREADS95 is defined.
862         * gthr-posix95.h: New file.
863         * config/sol26.h: New file.
864         * doc/install.texi (--enable-threads): Document 'posix95'.
865
866 2004-11-23  Ben Elliston  <bje@au.ibm.com>
867
868         * pointer-set.h (pointer_set_contains): Remove.
869         * pointer-set.c (pointer_set_contains): Likewise.
870
871 2004-11-22  Dale Johannesen  <dalej@apple.com>
872
873         * calls.c (expand_call): Do not call preserve_temp_slots.
874
875 2004-11-22  Kazu Hirata  <kazu@cs.umass.edu>
876
877         * tree-flow.h: Remove the prototype for remove_phi_arg.
878         Add a prototype for remove_phi_args.
879         * tree-phinodes.c (remove_phi_arg): Remove.
880         (remove_phi_args): New.
881         * tree-ssa.c (ssa_remove_edge): Call remove_phi_args instead
882         of remove_phi_arg.
883
884         * cfg.c (unchecked_make_edge): Call execute_on_growing_pred
885         after making an edge.
886         (remove_edge): Call execute_on_shrinking_pred before removing
887         an edge.
888         (redirect_edge_succ): Call execute_on_growing_pred and
889         execute_on_shrinking_pred.
890         * cfghooks.c (execute_on_growing_pred): New.
891         (execute_on_shrinking_pred): Likewise.
892         * cfghooks.h (cfg_hooks): Add execute_on_growing_pred and
893         execute_on_shrinking_pred.
894         Add prototypes for execute_on_growing_pred and
895         execute_on_shrinking_pred.
896         * cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to
897         execute_on_growing_pred and execute_on_shrinking_pred.
898         (cfg_layout_rtl_cfg_hook): Likewise.
899         * tree-cfg.c (tree_cfg_hooks): Likewise.
900
901         * tree-cfg.c (tree_execute_on_shrinking_pred): New.
902         (tree_cfg_hooks): Use it.
903         * tree-ssa.c (ssa_remove_edge): Don't call remove_phi_args.
904         (ssa_redirect_edge): Don't call remove_phi_arg_num.
905
906         * tree-phinodes.c (remove_phi_arg_num): Make it static.
907         * tree-flow.h: Remove the corresponding prototype.
908
909         * tree-ssa.c (ssa_remove_edge): Remove.
910         * tree-flow.h: Remove the corresponding prototype.
911         * tree-cfg.c: Replace ssa_remove_edge with remove_edge.
912         * basic-block.h: Likewise.
913         * tree-if-conv.c: Likewise.
914         * tree-ssa-threadupdate.c: Likewise.
915
916 2004-11-23  Ben Elliston  <bje@au.ibm.com>
917
918         * doc/cfg.texi (Maintaining the CFG): Use @ftable instead of
919         @table to list the BSI methods.  Use individual @findex directives
920         instead of one with a comma-separated list of index entries.
921
922 2004-11-22  Zdenek Dvorak  <dvorakz@suse.cz>
923
924         PR tree-optimization/18529
925         * fold-const.c (fold_to_nonsharp_ineq_using_bound): New function.
926         (simple_operand_p): Use STRIP_NOPS.  Consider SSA names simple.
927         (fold): Call fold_to_nonsharp_ineq_using_bound.
928         * tree-ssa-loop-niter.c (simplify_replace_tree): New function.
929         (number_of_iterations_cond): Fold the expressions before futher
930         processing.
931         (tree_simplify_using_condition): Handle case when cond or expr is
932         an EQ_EXPR specially.
933
934 2004-11-22 Daniel Berlin  <dberlin@dberlin.org>
935
936         * tree-ssa.c (verify_ssa): SSA_OP_ALL_USES should be
937         SSA_OP_ALL_USES | SSA_OP_ALL_KILLS for verification purposes.
938
939 2004-11-22  David Edelsohn  <edelsohn@gnu.org>
940             Fariborz Jahanian  <fjahanian@apple.com>
941
942         * config/rs6000/rs6000.c (rs6000_return_in_memory): Test
943         TARGET_ALTIVEC_ABI.
944         (function_arg_boundary): Align 8 to 16 byte vectors like SPE.
945         Align 16 byte and larger vectors like Altivec.
946         (function_arg_advance): Pass any 16 byte vector like Altivec vector.
947         (function_arg): Same.
948         (rs6000_pass_by_references): Test TARGET_ALTIVEC_ABI.
949
950 2004-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
951
952         PR tree-opt/18572
953         * tree-sra.c (scalarize_init): Unshare the rhs before gimplifying
954         it.
955
956 2004-11-22  Richard Henderson  <rth@redhat.com>
957
958         * function.c (assign_parm_setup_block): Revert 11-13 change to
959         forcably re-mode a (possibly BLKmode) hard register.
960
961 2004-11-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
962
963         * config/sparc/sparc.c (mem_min_alignment): Check MEM_ALIGN.
964
965 2004-11-22  David Edelsohn  <edelsohn@gnu.org>
966
967         * config/rs6000/power4.md: Remove delay between dispatch and issue
968         associated with dispatch group slots 3 and 4.
969         * config/rs6000/power5.md: Same.
970
971 2004-11-21  Jeff Law  <law@redhat.com>
972
973         * cfg.c (cached_make_edge): Use find_edge rather than an inlined
974         variant.
975         * cfgbuild.c (make_edges): Likewise.
976         * cfghooks.c (can_duplicate_block_p): Likewise.
977         * cfgloop.c (loop_latch_edge): Likewise.
978         * cfgloopmanip.c (force_single_succ_latches): Likewise.
979         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
980         * predict.c (predict_loops, propagate_freq): Likewise.
981         * tracer.c (tail_duplicate): Likewise.
982         * tree-cfg.c (disband_implicit_edges): Likewise.
983         (tree_forwarder_block_p, tree_flow_call_edges_add): Likewise.
984
985 2004-11-22  Nick Clifton  <nickc@redhat.com>
986
987         * sbitmap.c (sbitmap_union_of_preds): Remove redundant
988         initialisation of 'e'.
989
990 2004-11-22  Kazu Hirata  <kazu@cs.umass.edu>
991
992         PR rtl-optimization/18599
993         * regrename.c (copyprop_hardreg_forward): Speed up by putting
994         BB_VISITED flags on basic blocks as we process them.
995
996 2004-11-22  Nathan Sidwell  <nathan@codesourcery.com>
997
998         PR target/18531
999         * config/rs6000/altivec.md (VI_char): New mode attribute.
1000         (addv16qi3, addv8hi3, addv4ai3): Replace with ...
1001         (add<mode>3): ... this.
1002         (subv16qi3, subv8hi3, subv4ai3): Replace with ...
1003         (sub<mode>3): ... this.
1004         (smaxv16qi3, smaxv8hi3, smaxv4ai3): Replace with ...
1005         (smax<mode>3): ... this.
1006         (sminv16qi3, sminv8hi3, sminv4ai3): Replace with ...
1007         (smin<mode>3): ... this.
1008         (umaxv16qi3, umaxv8hi3, umaxv4ai3): Replace with ...
1009         (umax<mode>3): ... this.
1010         (uminv16qi3, uminv8hi3, uminv4ai3): Replace with ...
1011         (umin<mode>3): ... this.
1012         (andv16qi3, andv8hi3, andv4ai3): Replace with ...
1013         (and<mode>3): ... this.
1014         (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
1015         (ior<mode>3): ... this.
1016         (xorv16qi3, xorv8hi3, xorv4ai3): Replace with ...
1017         (xor<mode>3): ... this.
1018         (andv16qi3, andv8hi3, andv4ai3): Replace with ...
1019         (and<mode>3): ... this.
1020         (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
1021         (ior<mode>3): ... this.
1022         (altivec_vnor): Replace with ...
1023         (altivec_nor<mode>): ... this.
1024         (one_cmplv16qi2, one_cmplv8hi2, one_complv4ai2): Replace with ...
1025         (one_cmpl<mode>2): ... this.
1026         (altivec_vandc): New expander.
1027         (*andc<mode>3): New insn.
1028         * config/rs6000/rs6000.c (bdesc_2arg): Adjust for new insn names.
1029
1030 2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>
1031
1032         PR tree-opt/18536
1033         * tree-vectorizer.c (make_loop_iterate_ntimes): Use type of niters when
1034         creating iv instead of integer_type.
1035         (vect_build_loop_niters): Remove redundant code.
1036         (vect_transform_loop_bound): Removed (duplicates functionality of
1037         make_loop_iterate_ntimes.
1038         (vect_gen_niters_for_prolog_loop): Add documentation. Call
1039         lang_hooks.types.type_for_size to create a type of the required size.
1040         Use that type instead of integer_type. Remove redundant code.
1041         (vect_update_niters_after_peeling): Use type of niters instead of
1042         integer_type.
1043         (vect_transform_loop): Unify handling of known and unknown loop bound
1044         cases. Call make_loop_iterate_ntimes instead of
1045         vect_transform_loop_bound.
1046
1047 2004-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1048
1049         PR target/18217
1050         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Move darwin-fallback.c to
1051         (LIB2ADDEH): Here.
1052
1053 2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>
1054
1055         PR tree-opt/18544
1056         * tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found.
1057
1058 2004-11-22 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1059
1060         * config.gcc: Use t-slibgcc-elf to build libgcc_s.so on
1061         m32r*linux.
1062         * config/m32r/t-linux (SHLIB_MAPFILES): Override to use
1063         m32r/libgcc-glibc.ver.
1064         * config/m32r/libgcc-glibc.ver: Add New file.
1065
1066 2004-11-22  Nathan Sidwell  <nathan@codesourcery.com>
1067
1068         * bitmap.h (struct bitmap_obstack): New obstack type.
1069         (struct bitmap_head_def): Replace using_obstack with obstack
1070         pointer.
1071         (bitmap_default_obstack): New.
1072         (bitmap_initialize): Make inline, does not do allocation.
1073         (bitmap_release_memory): Remove.
1074         (bitmap_obstack_initialize, bitmap_obstack_release): Declare.
1075         (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
1076         bitmap_obstack_free, bitmap_malloc_free): Declare.
1077         (BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
1078         (BITMAP_FREE): Replace with ...
1079         (BITMAP_OBSTACK_FREE): ... this.
1080         (BITMAP_XFREE): Adjust.
1081         (BITMAP_INIT_ONCE): Remove.
1082         * bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
1083         (bitmap_default_obstack): New.
1084         (bitmap_elem_to_freelist): Adjust.
1085         (bitmap_element_allocate): Adjust. Break initialization into ...
1086         (bitmap_obstack_initialize): ... here.
1087         (bitmap_release_memory): Replace with ...
1088         (bitmap_obstack_release): ... this.
1089         (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
1090         bitmap_obstack_free, bitmap_malloc_free): New.
1091         (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
1092         bitmap_initialize.
1093         (bitmap_initialize): Move to bitmap.h.
1094         * gengtype.c (open_base_files): Add obstack.h to ifiles.
1095         * Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
1096         * basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
1097         (INITIALIZE_REG_SET): Remove.
1098         (FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
1099         (INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
1100         (flow_obstack): Do not declare.
1101         (reg_obstack): Declare.
1102         * regs.h: Include obstack.h.
1103         * tree-optimize.c (tree_rest_of_compilation): Initialize and
1104         release bitmap obstack here.
1105         * bb-reorder.c: #include regs, not basic-block.
1106         (fix_crossing_conditional_branches): Allocate regsets from
1107         reg_obstack.
1108         * bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
1109         obstack.h.
1110         * caller-save.c: Include regs.h earlier.
1111         * cfg.c: Do not include basic-block.h or obstack.h.
1112         (reg_obstack): Define.
1113         * cfganal.c: Include obstack.h
1114         * cfgcleanyp.c: Do not include basic-block.h. Include regs.h
1115         earlier.
1116         * cfglayout.c: Do not include obstack.h.
1117         (flow_obstack): Remove declaration.
1118         (cfg_layout_duplicate_bb): Use reg_obstack.
1119         * cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
1120         * cfgrtl.c (rtl_split_block): Use reg_obstack.
1121         (force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
1122         (safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
1123         (cfg_layout_split_edge): Use reg_obstack.
1124         * cse.c: Include regs.h earlier.
1125         * ddg.c: Do not include basic-block.h.
1126         * dominance.c: Inlude obstack.h.
1127         * flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
1128         (calculate_global_regs_live): Likewise.
1129         (allocate_bb_life_data): Use reg_obstack.
1130         (init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
1131         * global.c: Do not include basic-block.h.
1132         (build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
1133         * graph.c: Include obstack.h.
1134         * haifa-sched.c: Do not include basic-block.h.
1135         * ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
1136         * local-alloc.c: Do not include basic-block.h.
1137         * loop-init.c, loop-invariant.c: Include obstack.h.
1138         * loop-iv.c: Likewise.
1139         (simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
1140         adjust.
1141         * loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
1142         * modulo-sched.c: Do not include basic-block.h.
1143         * passes.c (rest_of_handle_final): Do not call
1144         regset_release_memory.
1145         * ra-debug.c: Include regs.h earlier. Do not include
1146         basic-block.h.
1147         * recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
1148         * regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
1149         (allocate_reg_info): Do not call MAX_REGNO_REG_SET.
1150         (regset_release_memory): Remove.
1151         * resource.c: Do not include basic-block.h.
1152         * rtlanal.c: Do not include basic-block.h.
1153         * sbitmap.c: Include obstack.h.
1154         * sched-deps.c: Do not include basic-block.h.
1155         (reg_pending_sets_head, reg_pending_clobbers_head,
1156         reg_pending_uses_head): Remove.
1157         (init_deps_global): Use OBSTACK_ALLOC_REG_SET.
1158         * sched-ebb.c: Do not include basic-block.h.
1159         * sched-rgn.c: Likewise.
1160         * tree-if-conv.c (get_loop_body_in_if_conv_order): Use
1161         BITMAP_XFREE.
1162         * tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
1163         * tree-sra.c (decide_instantiations): Adjust bitmap
1164         initialization.
1165         * tree-ssa-dce.c: Include obstack.h.
1166         * tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
1167         (value_insert_into_set_bitmap): Remove useless bitmap_clear.
1168         (bitmap_set_new): Likewise.
1169         (init_pre): Initialize bitmap obstack.
1170         (fini_pre): Release bitmap obstack.
1171         * tree-ssanames.c (ssa_names_to_rewrite): Make static.
1172         (marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
1173         (mark_for_rewrite, unmark_for_rewrite): Likewise.
1174         (marked_ssa_names): Likewise.
1175         (init_ssanames): Use BITMAP_XMALLOC.
1176         (fini_ssanames): Use BITMAP_XFREE.
1177         * web.c: Include obstack.h
1178
1179 2004-11-22  Nick Clifton  <nickc@redhat.com>
1180
1181         * sbitmap.c (sbitmap_union_of_preds): Set 'e' to the next edge
1182         predecessor in the first for-loop.
1183
1184 2004-11-21  Stan Shebs  <shebs@apple.com>
1185
1186         * config/rs6000/rs6000.c: (rs6000_darwin64_function_arg): Add
1187         UNION_TYPE case.
1188         (function_arg): Move darwin test up, sniff mode first for
1189         efficiency, test for union type.
1190
1191 2004-11-21  Dale Johannesen  <dalej@apple.com>
1192
1193         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Define.
1194
1195 2004-11-21  Jeff Law  <law@redhat.com>
1196
1197         * tree-ssa.c (verify_use): Fix comment.
1198         (verify_phi_args): Check that the number of incoming edges matches
1199         the number of PHI arguments.  Check that each PHI argument is
1200         either an SSA_NAME or an invariant.  Coalesce tests for PHIs for
1201         dead or duplicated edges.  Clear e->aux earlier and avoid separate
1202         loop to clear e->aux and test for missed edges.
1203         (verify_ssa): Remove first walk over statements.  Move checking
1204         of PHI args into verify_phi_args.  Move checking of statements
1205         with aliased stores and V_MAY_DEFS into the remaining loop over
1206         the statements.  Register defs by walking through the formal
1207         SSA_NAME table.
1208
1209 2004-11-21  Roger Sayle  <roger@eyesopen.com>
1210
1211         PR middle-end/18520
1212         * dojump.c (compare_from_rtx): Clarify mode argument in function
1213         description.  Correct order of mode/cmp_mode arguments in call to
1214         simplify_relational_operation.  Check "tem" for COMPARISON_P.
1215
1216 2004-11-21  Paolo Bonzini  <bonzini@gnu.org>
1217             David Edelsohn  <edelsohn@gnu.org>
1218
1219         PR target/17836
1220         * config/rs6000/rs6000.c (rs6000_return_in_memory): Return
1221         synthetic vectors in memory.
1222         (function_arg_boundary): Align large synthetic vectors.
1223         (rs6000_pass_by_reference): Pass synthetic vectors in memory.
1224
1225 2004-11-21  Jeff Law  <law@redhat.com>
1226
1227         * cfg.c (update_bb_profile_for_threading): Do not rescale the
1228         successor probabilities if they are not going to change.  Pull
1229         division out of loop if we do need to rescale successor probabilities.
1230
1231         * tree-ssa-threadupdate.c (redirection_data_hash): Use the
1232         index of the destination block for the hash value rather than
1233         hashing a pointer.
1234
1235 2004-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1236
1237         * c-typeck.c (build_array_ref): Don't check for index == 0.  Make
1238         checks for neither argument being an array or pointer (swapping
1239         the arguments if necessary), the array argument being a pointer to
1240         or array of functions and for -Wchar-subscripts warnings upfront.
1241
1242 2004-11-20  Jeff Law  <law@redhat.com>
1243
1244         * regrename.c (copyprop_hardreg_forward): Only search for a
1245         previously processed block if the current block only has one
1246         predecessor.
1247
1248 2004-11-20  Kazu Hirata  <kazu@cs.umass.edu>
1249
1250         * tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
1251         typos.
1252         * config/arm/arm.c: Follow spelling conventions.
1253
1254 2004-11-20  Richard Earnshaw  <rearnsha@arm.com>
1255
1256         * arm.c (arm_override_options): Use arm_ld_sched rather than testing
1257         a bit in tune_flags.
1258         (const_double_needs_minipool): Likewise.  Split most of the code out
1259         into ...
1260         (arm_const_double_inline_cost): ... new function here.
1261         * arm-protos.h (arm_const_double_inline_cost): Add prototype.
1262         * arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
1263         word constants of length 2, 3 and 4 insns respectively.
1264         (CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
1265         * arm.md (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
1266         constraints.  Set insn lenghts accordingly.
1267
1268 2004-11-19  Jeff Law  <law@redhat.com>
1269
1270         * tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
1271         a hash table.  Extensive modifications throughout to support
1272         that change.
1273         (struct el): New.
1274         (struct local_info): New.
1275         (struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
1276         fields.
1277         (redirection_data): Now a hashtable.
1278         (redirection_data_hash, redirection_data_eq): New.
1279         (lookup_redirection_data, create_duplicates): New.
1280         (create_edge_and_update_destionation_phis): New.
1281         (fixup_template_block, redirect_edges): New.
1282         (thread_block): Use hash table traversals instead of loops over
1283         varray entries or incoming edge vectors.
1284
1285 2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>
1286
1287         * basic-block.h (edge_def): Add dest_idx.
1288         * cfg.c (unchecked_make_edge): Initialize dest_idx.
1289         (remove_edge): Simplify the disconnection of an edge from its
1290         destination.
1291         (redirect_edge_succ): Likewise.
1292         * cfghooks.c (verify_flow_info): Check the consistency of
1293         dest_idx for each edge.
1294
1295 2004-11-19  Aldy Hernandez  <aldyh@redhat.com>
1296
1297         * simplify-rtx.c (simplify_ternary_operation): Use
1298         gen_int_mode.
1299
1300 2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>
1301
1302         * tree-cfg.c (reinstall_phi_args): New.
1303         (tree_split_edge): Use it after redirecting an edge.  Don't
1304         modify PHI_ARG_EDGE.
1305
1306 2004-11-19  Andreas Tobler  <a.tobler@schweiz.ch>
1307
1308         * tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
1309         if checking is enabled.
1310
1311 2004-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1312
1313         * c-decl.c (push_scope): Remove "\n" from end of diagnostic for
1314         too many nested scopes.
1315
1316 2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>
1317
1318         PR tree-opt/18181
1319         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
1320         changed to suppoer uses-after-loop and to void creating flow paths
1321         that shouldn't exist.
1322         (slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
1323         Modified to fit the new peeling scheme. Avoid quadratic behavior.
1324         (slpeel_add_loop_guard): Takes additional argument.
1325         (slpeel_verify_cfg_after_peeling): New function.
1326         (vect_update_ivs_after_vectorizer): Takes additional argument. Updated
1327         documentation. Use 'exit-bb' instead of creating 'new-bb'.
1328         (rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
1329         the new peeling scheme.
1330         (copy_phi_nodes): Function removed. Its functionality moved to
1331         update_phis_for_duplicate_loop.
1332         (slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
1333         moved here. Added documentation. Modified to fit the new peeling scheme.
1334         (slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
1335         needed - done in slpeel_tree_peel_loop_to_edge.
1336         (slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
1337         (vect_do_peeling_for_loop_bound): Add documentation. Call
1338         slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
1339         with additional argument.
1340         (vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.
1341
1342         (vect_finish_stmt_generation): Avoid 80 column oveflow.
1343
1344 2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>
1345
1346         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
1347         arguments removed.
1348         (slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
1349         without last two arguments. Update single_exit of loops.
1350         (vect_update_niters_after_peeling): Removed. Its functionality was
1351         moved to vect_do_peeling_for_alignment.
1352         (vect_do_peeling_for_loop_bound): New name for function previously
1353         called vect_transform_for_unknown_loop_bound.
1354         (vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
1355         instead of code that duplicates the same functionality.
1356         (vect_do_peeling_for_alignment): Functionality of
1357         vect_update_niters_after_peeling moved here.
1358         (vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
1359         previously named vect_transform_for_unknown_loop_bound - for both known
1360         and unknown loop bound cases.
1361
1362 2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>
1363
1364         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
1365         previously called verify_loop_for_duplication. All conditions compacted
1366         into one compound condition. Removed debug dumps.
1367         (vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
1368         functionality moved to vect_can_advance_ivs_p, and some to
1369         vect_analyze_loop_form.
1370         (vect_can_advance_ivs_p): New function. Contains functionality that was
1371         taken out of vect_analyze_loop_with_symbolic_num_of_iters.
1372         (slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
1373         (vect_analyze_operations): Call vect_can_advance_ivs_p and
1374         slpeel_can_duplicate_loop_p.
1375         (vect_get_loop_niters): Added documentation.
1376         (vect_analyze_loop_form): Check the loop entry always - not only in case
1377         of unknown loop bound. Create preheader and exit bb if necessary. Apply
1378         a check that used to take place in
1379         vect_analyze_loop_with_symbolic_num_of_iters.
1380         (vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
1381         Remove redundant call to rewrite_into_loop_closed_ssa.
1382         (vect_compute_data_refs_alignment): Removed obsolete comment.
1383
1384 2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>
1385
1386         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
1387         function previously called tree_duplicate_loop_to_edge.
1388         (slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
1389         previously called tree_duplicate_loop_to_edge_cfg.
1390         (slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
1391         function name.
1392         (slpeel_update_phi_nodes_for_guard): Likewise.
1393         (slpeel_make_loop_iterate_ntimes): Likewise.
1394         (slpeel_add_loop_guard): Likewise.
1395         (allocate_new_names, free_new_names): Function declaration moved to top
1396         of file.
1397         (rename_use_op, rename_def_op): Likewise.
1398         (rename_variables_in_bb, rename_variables_in_loop): Likewise.
1399         (vect_generate_tmps_on_preheader): Function declaration moved.
1400         (vect_transform_for_unknown_loop_bound): Added missing function
1401         declaration.
1402
1403 2004-11-19  Andrew Pinski  <pinskia@physics.uc.edu>
1404
1405         PR tree-opt/18507
1406         * tree-flow.h (tree_on_heap): Typedef because there is already a VEC(tree).
1407         Define a VEC(tree_on_heap) for head.
1408         (register_new_def): Change second argument to be a VEC(tree_on_heap).
1409         * tree-ssa-dom.c (block_defs_stack): Change to be a VEC(tree_on_heap).
1410         (tree_ssa_dominator_optimize): Initialize block_defs_stack with
1411         the VEC(tree_on_heap) function.  Also free it before returning.
1412         (dom_opt_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
1413         for block_defs_stack.
1414         (restore_currdefs_to_original_value): Use VEC_length instead of
1415         VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
1416         (dom_opt_finalize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
1417         for block_defs_stack.
1418         * tree-into-ssa.c (block_defs_stack): Change to be a VEC(tree_on_heap).
1419         (rewrite_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
1420         for block_defs_stack.
1421         (ssa_register_new_def): Likewise.
1422         (ssa_rewrite_initialize_block): Likewise.
1423         (rewrite_finalize_block): Use VEC_length instead of
1424         VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
1425         (ssa_rewrite_finalize_block): Likewise.
1426         (register_new_def): Change second argument to be a VEC(tree_on_heap).
1427         Use VEC_safe_push instead of VARRAY_PUSH_TREE.
1428         (rewrite_blocks): Initialize block_defs_stack with
1429         the VEC(tree_on_heap) function.  Also free it before returning.
1430         (rewrite_ssa_into_ssa): Likewise.
1431
1432 2004-11-19  Fariborz Jahanian <fjahanian@apple.com>
1433
1434         * config/darwin.c (machopic_data_defined_p): return 1 for
1435         MACHOPIC_DEFINED_FUNCTION.
1436
1437 2004-11-19  Jeff Law  <law@redhat.com>
1438
1439         * tree-ssa.c (verify_ssa): Remove redundant checking of PHI
1440         arguments.
1441
1442 2004-11-19  Paul Brook  <paul@codesourcery.com>
1443
1444         PR target/17735
1445         * varasm.c (default_assemble_integer): Allow pointer-sized values.
1446         Expand comment.
1447
1448 2004-11-19  Nick Clifton  <nickc@redhat.com>
1449
1450         * config/stormy16/stormy16.c (combine_bnp): Add code to handle
1451         zero_extension and lshiftrt insns.
1452         Replace uses of XEXP(...) with either SET_DEST() or SET_SRC()
1453         where appropriate.
1454         * config/stormy16.stormy16.md (bclrx3, bsetx3): New patterns
1455         to handle bp and bn insn patterns with a zero_extend rtx
1456         inside them.
1457
1458 2004-11-19  Ian Lance Taylor  <ian@wasabisystems.com>
1459
1460         * config/arm/arm.md (generic_sched): Make const.
1461
1462 2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>
1463
1464         * emit-rtl.c (classify_insn): Make it static.
1465         * rtl.h: Remove the corresponding prototype.
1466
1467         * integrate.c (has_func_hard_reg_initial_val,
1468         get_func_hard_reg_initial_val): Make them static.
1469         * integrate.h: Remove the corresponding prototypes.
1470
1471 2004-11-19  Ben Elliston  <bje@au.ibm.com>
1472
1473         * dwarf2asm.h (dw2_asm_output_pcel): Stub out with #if 0.
1474         (dw2_asm_output_delta_sleb128): Likewise.
1475         * dwarf2asm.c (dw2_asm_output_pcrel): Likewise.
1476         (dw2_asm_output_delta_sleb128): Likewise.
1477
1478 2004-11-19  Adam Nemet  <anemet@lnxw.com>
1479
1480         * tree-ssa-alias.c: Fix comment.
1481
1482 2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>
1483
1484         * tree-outof-ssa.c: Fix a comment typo.
1485
1486 2004-11-19  Ben Elliston  <bje@au.ibm.com>
1487
1488         * predict.h (predict_insn): Remove extern declaration.
1489         * predict.c (predict_insn): Make static.
1490
1491 2004-11-19  Alan Modra  <amodra@bigpond.net.au>
1492
1493         * config/rs6000/rs6000.c (function_arg): Don't return BLKmode regs.
1494
1495 2004-11-18  Nicolas Pitre <nico@cam.org>
1496
1497         * config/arm/arm.c (const_double_needs_minipool): New function to
1498         determine if a CONST_DOUBLE should be pushed to the minipool.
1499         (note_invalid_constants): Use it.
1500
1501 2004-11-18  Paul Brook  <paul@codesourcery.com>
1502
1503         * config/arm/arm.c (target_float_switch): New variable..
1504         (arm_override_options): Use TARGET_DEFAULT_FLOAT_ABI and
1505         target_float_switch.
1506         * config/arm/arm.h (target_float_switch): Declare.
1507         (ARM_FLAG_SOFT_FLOAT): Remove.
1508         (TARGET_SWITCHES): Remove hard-float and soft-float.
1509         (TARGET_OPTIONS): Add hard-float and soft-float.
1510         (TARGET_DEFAULT_FLOAT_ABI): Define.
1511         * config/arm/coff.h (TARGET_DEFAULT_FLOAT_ABI): Define
1512         (TARGET_DEFAULT): Don't use ARM_FLAG_SOFT_FLOAT.
1513         * config/arm/elf.h: Don't use ARM_FLAG_SOFT_FLOAT.
1514         * config/arm/netbsd-elf.h: Ditto.
1515         * config/arm/netbsd.h: Ditto.
1516         * config/arm/pe.h: Ditto.
1517         * config/arm/unknown-elf.h: Ditto.
1518         * config/arm/wince-pe.h: Ditto.
1519         * config/arm/linux-elf.h (TARGET_DEFAULT_FLOAT_ABI): Define.
1520         * config/arm/semi.h (TARGET_DEFAULT_FLOAT_ABI): Define.
1521         * config/arm/semiaof.h (TARGET_DEFAULT_FLOAT_ABI): Define.
1522
1523 2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>
1524
1525         * config/rs6000/altivec.md (VI, VF, V): New mode macros.
1526         (altivec_lvx_4si, altivec_lvx_8hi, altivec_lvx_16qi,
1527         altivec_lvx_4sf): Rename and replace with ...
1528         (altivec_lvx_<mode>): ... mode macro version.
1529         (altivec_stvx_4si, altivec_stvx_8hi, altivec_stvx_16qi,
1530         altivec_stvx_4sf): Rename and replace with ...
1531         (altivec_stvx_<mode>): ... mode macro version.
1532         (movv4si, movv8hi, movv16qi, movv4sf}): Replace with ...
1533         (mov<mode>): ... mode macro version.
1534         (*movv4si_internal, *movv8hi_internal1, *movv16qi_internal1,
1535         *movv4sf_internal1): Replace with ...
1536         (*mov<mode>_internal): ... mode macro version.
1537         (get_vrsave_internal, *set_vrsave_internal, *save_world,
1538         *restore_world): Unquote output statements.
1539         * config/rs6000/rs6000.c (altivec_expand_ld_builtin,
1540         altivec_expand_st_builtin): Adjust insn names.
1541
1542 2004-11-18  Aldy Hernandez  <aldyh@redhat.com>
1543
1544         * config/rs6000/rs6000.c (rs6000_complex_function_value): Revert
1545         previous change.
1546         (rs6000_override_options): Likewise.
1547         (spe_build_register_parallel): Handle complex doubles on e500v2.
1548         (rs6000_spe_function_arg): Likewise.
1549         (function_arg): Likewise.
1550         (rs6000_function_value): Likewise.
1551         (rs6000_libcall_value): Likewise.
1552
1553 2004-11-18  Andrew Pinski  <pinskia@physics.uc.edu>
1554
1555         * ifcvt.c (find_if_block): Move the check for the number of edges
1556         above the loops checking for complex edges.
1557         Remove the counting of edges as we use EDGE_COUNT now.
1558
1559 2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
1560
1561         * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
1562         TARGET_ASM_FILE_END to file_end_indicate_exec_stack.3
1563
1564 2004-11-18  Andreas Schwab  <schwab@suse.de>
1565
1566         * config/i386/i386.md (define_peephole2): Revert last change.
1567
1568 2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
1569
1570         * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
1571         TARGET_ASM_FILE_END to file_end_indicate_exec_stack.
1572
1573 2004-11-18  Diego Novillo  <dnovillo@redhat.com>
1574
1575         * tree-ssa-propagate.c (ssa_prop_init): Use FOR_ALL_BB instead
1576         of FOR_EACH_BB.
1577
1578 2004-11-18  Jon Grimm <jgrimm2@us.ibm.com>
1579
1580         * Makefile.in (macro_list): Depend on s-macro_list.
1581         (s-macro_list): New target.
1582
1583 2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>
1584
1585         PR target/17107
1586         * fold-const.c (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
1587         (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
1588         (fold_range_test): Adjust.
1589         (fold_truthop): Use it.
1590         * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
1591         (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
1592
1593 2004-11-18  Uros Bizjak  <uros@kss-loka.si>
1594
1595         * configure/i386/i386.md (*fix_trunch_1): Add "&& 1" to
1596         insn split constraint.
1597         (define_peephole2): Remove unneeded "&& 1" from peephole2
1598         constraints.
1599
1600 2004-11-18  Ben Elliston  <bje@au.ibm.com>
1601
1602         * doc/cfg.texi (Maintaining the CFG): Remove duplicated @item
1603         element for bsi_prev; use @findex instead.
1604
1605 2004-11-18  Ben Elliston  <bje@au.ibm.com>
1606
1607         * opts.h (add_input_filename): Remove extern declaration.
1608         * opts.c (add_input_filename): Make static.
1609
1610 2004-11-17  Mark Mitchell  <mark@codesourcery.com>
1611
1612         * config/i386/i386.c (i386_solaris_elf_named_section): Mark with
1613         ATTRIBUTE_UNUSED.
1614
1615 2004-11-17  Zack Weinberg  <zack@codesourcery.com>
1616
1617         * defaults.h, config/darwin.h: Don't define TARGET_SUPPORTS_HIDDEN.
1618         * system.h: Poison it.
1619         * doc/tm.texi: Delete its documentation.
1620
1621 2004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
1622             Mark Mitchell  <mark@codesourcery.com>
1623
1624         * config/i386/sol2-10.h, config/i386/t-sol2-10: New files.
1625         * config/i386/i386.c (i386_solaris_elf_named_section): New
1626         function.
1627         * config.gcc (i[34567]86-*-solaris2*): Handle Solaris 2.10.
1628         * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Handle
1629         64-bit.
1630         (ASM_QUAD): Don't undefine for biarch targets.
1631         * config/i386/t-sol2: Introduce multilib support.
1632
1633 2004-11-18  Ben Elliston  <bje@au.ibm.com>
1634
1635         * cgraphunit.c: Replace "it's" with "its" and fix a typo.
1636
1637 2004-11-18  Ben Elliston  <bje@au.ibm.com>
1638
1639         * cgraph.h: Replace "it's" with "its" throughout.
1640
1641 2004-11-18  Ben Elliston  <bje@au.ibm.com>
1642
1643         * doc/rtl.texi (Flags): Grammar fix.
1644
1645 2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>
1646
1647         * expmed.c (alg_code): Add alg_unknown.
1648         (alg_hash_entry): New.
1649         (NUM_ALG_HASH_ENTRIES): Likewise.
1650         (alg_hash): Likewise.
1651         (synth_mult): Cache the result into alg_hash.
1652
1653 2004-11-17  Zack Weinberg  <zack@codesourcery.com>
1654
1655         * config/rs6000/t-darwin: Augment SHLIB_MAPFILES with
1656         config/rs6000/libgcc-ppc64.ver.
1657
1658 2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>
1659
1660         * cfgrtl.c (rtl_verify_flow_info): Don't use INSN_P when
1661         checking if an unconditional return is followed by a barrier.
1662
1663         * jump.c (condjump_p): Remove unreachable code.
1664
1665         * basic-block.h, c-common.h, df.h, expr.h, output.h, rtl.h,
1666         tree-chrec.h, tree-flow.h, tree-scalar-evolution.h,
1667         tree-ssa-live.h, tree.h: Remove unused prototypes.
1668
1669 2004-11-17  Jeff Law  <law@redhat.com>
1670
1671         * tree-cfg.c (edge_to_cases): Renamed from edge_to_case_leader.
1672         (edge_to_cases_elt): Renamed from edge_to_case_leader.
1673         (edge_to_cases_hash): Renamed from edge_to_case_leader_hash.
1674         (edge_to_cases_eq): Renamed from edge_to_case_leader_eq.
1675         (edge_to_cases_cleanup, recording_case_labels_p): New functions.
1676         (get_cases_for_edge): New function.
1677         (start_recording_case_labels, end_recording_case_labels): Similarly.
1678         (record_switch_edge): Don't muck with the CASE_LABEL.  Instead
1679         chain equivalent CASE_LABEL_EXPRs together.
1680         (get_case_leader_for_edge, get_case_leader_for_edge_hash): Kill.
1681         (make_switch_expr_edges): Do not record edge/cases here.
1682         (cleanup_tree_cfg): Record cases around the call to thread_jumps.
1683         (split_critical_edges): Record cases around the edge splitting code.
1684         (cleanup_dead_labels): Use CASE_LABEL again.
1685         (tree_redirect_edge_and_branch): If we have a mapping from edge
1686         to cases, use it to handle redirections.  Else do it the slow way.
1687         * tree.h (CASE_LEADER_OR_LABEL): Kill.
1688         (CASE_LABEL): Revert to just looking at the tree's second operand.
1689         * tree.c (get_case_label): Kill.
1690
1691 2004-11-17  Diego Novillo  <dnovillo@redhat.com>
1692
1693         PR tree-optimization/18307
1694         * tree-ssa-alias.c (merge_pointed_to_info): ICE if 'dest' and
1695         'orig' are the same node.
1696         (collect_points_to_info_r): Do not call merge_pointed_to_info
1697         when the PHI argument is identical to the LHS.
1698
1699 2004-11-17  Steven Bosscher  <stevenb@suse.de>
1700
1701         * tree-ssa-propagate.c (cfg_blocks_add): Assert we're not trying
1702         to insert the exit or entry block.
1703         (ssa_prop_init): Use add_control_edge to seed the algorithm.
1704
1705 2004-11-16  Zack Weinberg  <zack@codesourcery.com>
1706
1707         * mkmap-flat.awk, mkmap-symver.awk: If the last version
1708         assigned to a symbol was '%exclude', do not emit it anywhere.
1709         If leading_underscore is true, prefix all symbols from the
1710         version scripts with a leading underscore before comparing
1711         them with nm output or emitting them.  Remove support for dot
1712         symbols.
1713         * config/t-slibgcc-darwin (SHLIB_LINK): Use mkmap-flat.awk.
1714         (SHLIB_MAPFILES): Use libgcc-std.ver.
1715         (SHLIB_MKMAP_OPTS): Enable leading-underscore mode.
1716         (SHLIB_LINK): Add -Wl,-exported_symbols_list,$(SHLIB_MAP).
1717         * config/sh/t-linux: Use the normal libgcc-std.ver, plus
1718         libgcc-excl.ver and libgcc-glibc.ver.
1719
1720         * config/sh/libgcc-excl.ver: New file.
1721         * config/sh/libgcc-std.ver, libgcc-darwin.ver: Delete.
1722
1723 2004-11-16  Daniel Berlin  <dberlin@dberlin.org>
1724
1725         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap
1726         the test when the edge has the opposite meaning, not when
1727         the first argument is invariant.
1728
1729 2004-11-16  Aldy Hernandez  <aldyh@redhat.com>
1730
1731         * config/rs6000/rs6000.c (rs6000_override_options): Split e500v2
1732         doubles.
1733         (rs6000_complex_function_value): Handle e500 v2 variant.
1734
1735 2004-11-16  Daniel Berlin  <dberlin@dberlin.org>
1736
1737         Fix PR tree-optimization/18519
1738
1739         * tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
1740         * tree-pass.h: Add TODO_cleanup_cfg.
1741         * tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
1742         (ccp_finalize): Remove call to cleanup_cfg.
1743         * tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
1744         (pass_cd_dce): Ditto.
1745         (perform_tree_ssa_dce): Remove call to cleanup_cfg,
1746         dump_function_to_file.
1747         * tree-ssa-loop-ch.c (copy_loop_headers): Remove call
1748         to cleanup_cfg.
1749         (pass_ch): Add TODO_cleanup_cfg.
1750         * tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
1751         cleanup_cfg.
1752         (pass_loop_done): Add TODO_cleanup_cfg.
1753         * tree-ssa-phiopt.c (pass_phiopt): Ditto.
1754         (tree_ssa_phiopt): Remove call to cleanup_cfg.
1755
1756 2004-11-16  Devang Patel  <dpatel@apple.com>
1757
1758         * optabs.c (vector_compare_rtx): Fix COMPARISON_CLASS_P use.
1759
1760 2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>
1761
1762         * expmed.c, ra-colorize.c: Fix comment typos.
1763
1764         * doc/tm.texi: Fix typos.
1765
1766 2004-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1767             Mark Mitchell  <mark@codesourcery.com>
1768
1769         PR target/6123
1770         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __PIC__ and
1771         __pic__ if PIC.
1772
1773 2004-11-16  Ulrich Weigand  <uweigand@de.ibm.com>
1774
1775         * regmove.c (regmove_optimize): Use lowpart_subreg instead of
1776         gen_rtx_SUBREG with incorrect offset to compute SRC_SUBREG.
1777
1778 2004-11-16  Devang Patel  <dpatel@apple.com>
1779
1780         * tree-if-conv.c (clean_predicate_lists): Update gcc_assert check.
1781
1782 2004-11-16  Eric Christopher  <echristo@redhat.com>
1783
1784         * config/mips/mips.c: Use rtl _P predicates.
1785         * config/mips/mips.h: Ditto.
1786         * config/mips/mips.md: Ditto.
1787
1788 2004-11-16  Fariborz Jahanian <fjahanian@apple.com>
1789
1790         * config/rs6000/altivec.md (altivec_vandc): Canonicalize
1791         the pattern.
1792
1793 2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1794
1795         * config/s390/s390.c (s390_cc_modes_compatible): New function.
1796         (TARGET_CC_MODES_COMPATIBLE): Target macro defined.
1797
1798 2004-11-16  Kaz Kojima  <kkojima@gcc.gnu.org>
1799
1800         PR target/18447
1801         * config/sh/sh.c (prepare_move_operands): Emit blockage insns
1802         before and after the insns for getting GOT address in non-PIC
1803         TLS_MODEL_INITIAL_EXEC tls sequence when the first scheduling
1804         is enabled.
1805
1806 2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1807
1808         * gcc/cse.c (struct change_cc_mode_args): New structure.
1809         (cse_change_cc_mode_insn): New function.
1810         (cse_change_cc_mode): Use validate_change to perfom changes.
1811         (cse_change_cc_mode_insns, cse_condition_code_reg):
1812         Call cse_change_cc_mode_insn.
1813
1814 2004-11-16  Steven Bosscher  <stevenb@suse.de>
1815
1816         * stack.h: Remove.
1817
1818 2004-11-16  Steven Bosscher  <stevenb@suse.de>
1819
1820         * config/i386/i386.c (x86_schedule): Fix typo, m_K6 intead of m_K8.
1821
1822 2004-11-15  Dale Johannesen  <dalej@apple.com>
1823
1824         * tree-flow.h (add_referenced_temp_var):  Remove name from prototype.
1825
1826 2004-11-15  Dale Johannesen  <dalej@apple.com>
1827
1828         * profile.c (compute_branch_probabilities):  Prevent
1829         crash with EH in RTL-based profiling.
1830
1831 2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>
1832
1833         * tree-cfg.c (verify_expr): Replace TREE_OPERAND with
1834         COND_EXPR_COND.
1835         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
1836         * tree-ssa-dom.c (thread_across_edge): Likewise.
1837         * tree-vectorizer.c (vect_transform_loop_bound): Replace
1838         TREE_OPERAND with COND_EXPR_COND, COND_EXPR_THEN, or
1839         COND_EXPR_ELSE.
1840
1841         * tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
1842         (tree_flow_call_edges_add): Update the call to
1843         bsi_commit_edge_inserts.
1844         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
1845         * profile.c (branch_prob): Likewise.
1846         * tree-mudflap.c (mf_decl_cache_locals): Likewise.
1847         * tree-sra.c (scalarize_function): Likewise.
1848         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
1849         * tree-ssa-pre.c (fini_pre): Likewise.
1850         * tree-flow.h: Update the prototype for
1851         bsi_commit_edge_inserts.
1852
1853 2004-11-15  Eric Christopher  <echristo@redhat.com>
1854
1855         * sched-deps.c (set_sched_group_p): Delete.
1856         (delete_all_dependencies): New function.
1857         (fixup_sched_groups): Use. New function.
1858         (sched_analyze_insn): Use.
1859
1860 2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1861
1862         * c-common.c (binary_op_error): Don't allow LROTATE_EXPR,
1863         RROTATE_EXPR or unknown code.
1864         * c-typeck.c (build_binary_op): Don't allow RROTATE_EXPR,
1865         LROTATE_EXPR, MAX_EXPR, MIN_EXPR, UNORDERED_EXPR, ORDERED_EXPR,
1866         UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR
1867         or unknown code.
1868
1869 2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1870
1871         PR c/18498
1872         * c-decl.c (grokdeclarator): Call check_bitfield_type_and_width
1873         after processing the declarator.
1874
1875 2004-11-15  Aldy Hernandez  <aldyh@redhat.com>
1876
1877         * config/rs6000/altivec.md ("altivec_vsplth"): Rewrite with
1878         vec_duplicate.
1879         (altivec_vspltb): Same.
1880         (altivec_vspltw): Same.
1881         (altivec_vspltisb): Same.
1882         (altivec_vspltish): Same.
1883         (altivec_vspltisw): Same.
1884         (altivec_vspltisw_v4sf): Same.
1885         (define_constants): Remove UNSPEC_VSPLTISB, UNSPEC_VSPLTISW,
1886         UNSPEC_VSPLTISH.
1887         Move "End of vector xor's" comment to the right place.
1888
1889 2004-11-15  Steve Ellcey  <sje@cup.hp.com>
1890
1891         * config/ia64/ia64.md (*movtf_internal):  Use destination_operand
1892         instead of nonimmediate_operand.
1893
1894 2004-11-15  Mark Mitchell <mark@codesourcery.com>
1895
1896         * config/i386/sol2.h (ASM_OUTPUT_CALL): Use print_operand.
1897         * config/sparc/sol2.h (ASM_OUTPUT_CALL): Likewise.
1898         * config/sol2.c (solaris_output_init_fini): Update calls to
1899         ASM_OUTPUT_CALL.  Include "rtl.h".
1900
1901 2004-11-15  Mark Mitchell <mark@codesourcery.com>
1902
1903         * config/sol2-c.c (cmn_err_char_table): Add "p".
1904
1905 2004-11-15  Mark Mitchell <mark@codesourcery.com>
1906
1907         * config/sparc/sol2.h (SUPPORTS_INIT_PRIORITY): Remove.
1908         * config/sol2.h (SUPPORTS_INIT_PRIORITY): Define here.
1909
1910 2004-11-15  Mark Mitchell <mark@codesourcery.com>
1911
1912         * config/t-slibgcc-sld (SHLIB_LINK): Make symlinks entirely
1913         within the multilib directory.
1914
1915 2004-11-15  Nick Clifton  <nickc@redhat.com>
1916
1917         * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Add
1918         builtin assert of cpu=xstormy16.
1919
1920 2004-11-15  Nathan Sidwell  <nathan@codesourcery.com>
1921
1922         * tree-ssa-pre.c (bitmap_print_value_set): Fix uninitialized
1923         variable.
1924
1925 2004-11-14  Richard Henderson  <rth@redhat.com>
1926
1927         PR 18480
1928         * calls.c (struct arg_data): Add parallel_value.
1929         (precompute_register_parameters): Set it.
1930         (load_register_parameters): Use it.
1931         (store_one_arg): Also set it here.
1932
1933 2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>
1934
1935         PR tree-optimization/18431
1936         * fold-const.c (associate_trees): Do not produce x + 0.
1937         (fold_widened_comparison, fold_sign_changed_comparison): New functions.
1938         (fold): Use them.
1939         * tree-ssa-loop-niter.c (upper_bound_in_type, lower_bound_in_type):
1940         Moved ...
1941         * tree.c (upper_bound_in_type, lower_bound_in_type): Here.
1942         * tree.h (upper_bound_in_type, lower_bound_in_type): Declare.
1943
1944 2004-11-14  Eric Botcazou <ebotcazou@libertysurf.fr>
1945
1946         * doc/rtl.texi (SUBREG): Adjust BYTENUM value in example.
1947
1948 2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>
1949
1950         * cfgrtl.c, global.c, tree-ssa-copy.c, tree-ssa-loop-ivopts.c,
1951         value-prof.c: Fix comment typos.
1952
1953 2004-11-14  Stan Shebs  <shebs@apple.com>
1954
1955         Basic ABI changes for passing structs by value in 64-bit Darwin.
1956         * config/rs6000/rs6000.c (rs6000_darwin64_abi): New flag.
1957         (rs6000_override_options): Set it for 64-bit Darwin.
1958         (rs6000_parse_abi_options): Add testing options to change it.
1959         (rs6000_return_in_memory): Test whether the type is one
1960         that can be passed in registers.
1961         (darwin64_function_arg_advance): New.
1962         (function_arg_advance): Call it, plus add recursion depth
1963         argument and test when counting off arguments.
1964         (rs6000_darwin64_function_arg): New.
1965         (function_arg): Call it.
1966         (setup_incoming_varargs): Add argument to function_arg_advance.
1967         (rs6000_darwin64_function_value): New.
1968         (rs6000_function_value): Call it.
1969         * config/rs6000/rs6000.h (FUNCTION_ARG_ADVANCE): Pass depth arg.
1970         * config/rs6000/rs6000-protos.h: Update decl of
1971         function_arg_advance.
1972
1973 2004-11-14  Andrew Pinski  <pinskia@physics.uc.edu>
1974
1975         PR c/17279
1976         * c-common.c (c_common_nodes_and_builtins): Ask the back-end if we
1977         support TImode before adding __int128_t and __uint128_t types.
1978
1979 2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
1980
1981         PR tree-opt/18400
1982         * tree-vectorizer.c (make_loop_iterate_ntimes): Set loop->nb_iterations.
1983         (vect_transform_loop_bound): Set loop->nb_iterations.
1984
1985 2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
1986             Andrew Pinski  <pinskia@physics.uc.edu>
1987
1988         PR tree-opt/18425
1989         * tree-vectorize.c (vect_build_loop_niters): Do not insert
1990         NULL into the instruction stream. Initialize new_bb to NULL.
1991         (vect_update_ivs_after_vectorizer): Likewise.
1992         (vect_gen_niters_for_prolog_loop): Likewise.
1993
1994 2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>
1995
1996         PR tree-optimization/18431
1997         * tree-flow.h (stmt_references_memory_p): Declare.
1998         * tree-ssa-loop-im.c (stmt_cost): Use stmt_references_memory_p.
1999         * tree-ssa.c (stmt_references_memory_p): New function.
2000
2001 2004-11-14  Andreas Schwab  <schwab@suse.de>
2002
2003         * Makefile.in (lambda-code.o, tree-loop-linear.o): Depend on
2004         $(EXPR_H).
2005
2006 2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>
2007
2008         * c-common.c (walk_stmt_tree): Remove.
2009         * c-common.h: Remove the corresponding prototype.
2010
2011         * emit-rtl.c (push_to_full_sequence): Remove.
2012         * rtl.h: Remove the corresponding prototype.
2013
2014         * cselib.c, expr.c: Fix comment typos.
2015
2016 2004-11-13  Richard Henderson  <rth@redhat.com>
2017
2018         * calls.c (precompute_register_parameters): Force all PARALLELs
2019         into pseudo registers.
2020         (load_register_parameters): Copy PARALLELs into hard registers.
2021         * function.c (assign_parm_setup_block): Copy PARALLELS into
2022         pseudo registers.  Do emit_group_store in conversion_insns.
2023         * expr.c (emit_group_load_1): Rename from emit_group_load, take
2024         tmps as an argument.  Move final copy loop ...
2025         (emit_group_load): ... here.  New function.
2026         (emit_group_load_into_temps, emit_group_move_into_temps): New.
2027         * expr.h: Declare them.
2028
2029 2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>
2030
2031         * tree-cfg.c, tree-if-conv.c, tree-ssa-loop-ivopts.c,
2032         tree-ssa-loop-manip.c, tree-vectorizer.c: Replace TREE_CHAIN
2033         with PHI_CHAIN where appropriate.
2034
2035 2004-11-13  Dale Johannesen  <dalej@apple.com>
2036
2037         * tree-flow.h (bsi_commit_one_edge_insert): Remove name from prototype.
2038         (tree_block_label): Ditto.
2039         (flush_pending_stmts): Ditto.
2040         (insert_edge_copies): Ditto.
2041         (expr_invariant_in_loop_p): Ditto.
2042         (TDF_USE_OPS): Parenthesize definition.
2043         (TDF_USE_VOPS): Ditto.
2044
2045 2004-11-13  David Edelsohn  <edelsohn@gnu.org>
2046
2047         * config/rs6000/aix51.h (ASM_CPU_SPEC): Add 970 and G5.
2048         * config/rs6000/aix52.h (ASM_CPU_SPEC): Same.
2049         (atoll): Declare.
2050         * config/rs6000/t-aix52 (BOOT_LDFLAGS): Define.
2051
2052 2004-11-14  Joseph Myers  <joseph@codesourcery.com>
2053
2054         * config/i386/i386.c (override_options): Move loop to set default
2055         tuning to correct place.
2056
2057 2004-11-13  Zak Kipling  <zak@transversal.com>
2058
2059         PR target/18300
2060         * config/i386/i386.c (classify_argument): Fix infinite loop when
2061         passing object with 3 or more base classes by value.
2062
2063 2004-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2064
2065         * doc/md.texi (constraints) <% modifier>: Mention that it is
2066         useless when the two alternatives are strictly identical.
2067
2068 2004-11-13  Richard Henderson  <rth@redhat.com>
2069
2070         * expmed.c (extract_split_bit_field): Temporarily disable call to
2071         extract_force_align_mem_bit_field.
2072
2073 2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>
2074
2075         * bitmap.c, bitmap.h, expmed.c, tree-cfg.c: Fix comment
2076         formatting.
2077
2078         * c-cppbuiltin.c, cgraph.c, domwalk.h, except.c, gimplify.c,
2079         lambda-code.c, postreload.c, predict.c, tree-sra.c,
2080         tree-ssa-loop-manip.c, tree.c: Fix comment typos.
2081
2082 2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>
2083
2084         * doc/install.texi (automake): Correctly document that everything now
2085         will use automake 1.9.3.
2086
2087 2004-11-13  Hans-Peter Nilsson  <hp@bitrange.com>
2088
2089         PR target/18347
2090         * config/mmix/mmix.c (mmix_function_outgoing_value): Handle
2091         TImode.  Sorry for other non-complex larger-than-64-bit modes.
2092         * config/mmix/mmix.h (MIN_UNITS_PER_WORD): Do not define.
2093
2094 2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>
2095
2096         * doc/install.texi (automake): Document that everything now uses 1.9.
2097
2098 2004-11-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2099
2100         * cse.c (cse_insn): Stores in a libcall sequence can invalidate
2101         previous loads.
2102
2103 2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>
2104
2105         * tree.h: Fix comment typos.
2106
2107 2004-11-13  Steven Bosscher  <stevenb@suse.de>
2108
2109         * cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and
2110         HARD_REGISTER_NUM_P.
2111
2112         * cselib.c (new_cselib_val): Make comment correct and more detailed.
2113         * flow.c (mark_set_1): Likewise.
2114
2115         * except.c (duplicate_eh_region_1, duplicate_eh_region_2,
2116         duplicate_eh_regions): Remove.
2117         * except.h (duplicate_eh_regions): Remove prototype.
2118         * integrate.c (get_label_from_map, copy_rtx_and_substitute,
2119         global_const_equiv_varray): Remove.
2120         * integrate.h (get_label_from_map, copy_rtx_and_substitute,
2121         global_const_equiv_varray, set_label_in_map): Remove prototypes,
2122         extern declaration, and #define.
2123         (MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove.
2124         (struct inline_remap): Remove.
2125         * varray.c (struct element): Remove entry for const_equiv_data.
2126         * varray.h (struct const_equiv_data): Remove.
2127         (enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
2128         (union varray_data_tag) <const_equiv>: Remove.
2129         (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV,
2130         VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove.
2131
2132         * regstack.c (record_label_references): Remove unused function.
2133
2134         * rtl.def (VALUE): Update comment.
2135         (LABEL_REF): Remove unused operand 2.
2136         * rtl.h (struct rtx_def): Update for removed accessor macros.
2137         (XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN,
2138         REG_LOOP_TEST_P): Remove.
2139         (ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments.
2140         * web.c (entry_register): Don't copy REG_LOOP_TEST_P.
2141         * doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.
2142
2143 2004-11-13  James A. Morrison  <phython@gcc.gnu.org>
2144             Eric Botcazou  <ebotcazou@libertysurf.fr>
2145
2146         PR target/18230
2147         * config/sparc/sparc.c (sparc_rtx_costs): Handle the NAND vector
2148         patterns.
2149         * config/sparc/sparc.md (V64I): New macro for 64-bit modes.
2150         (V32I): New macro for 32-bit modes.
2151         (anddi3, anddi_sp32, anddi_sp64, and_not_di_sp32, and_not_di_sp64,
2152         iordi3, iordi3_sp32, iordi_sp64, or_not_di_sp32, or_not_di_sp64,
2153         xordi3, xordi3_sp32, xordi3_sp64, {AND, IOR, XOR} DI splitter,
2154         xor_not_di_sp32, xordi_not_di_sp64, one_cmpldi2, one_cmpldi_sp32,
2155         one_cmpldi_sp64): Use V64I instead of DI.
2156         (andsi3, andsi_sp32, andsi_sp64, and_not_si, iorsi3, or_not_si,
2157         xorsi3, xor_not_si, one_cmplsi2): Use V32I instead of SI.
2158         (addv2si3, addv4hi3, addv2hi3): Remove % modifier.
2159         (nandv64i_vis, nandv32i_vis): New patterns.
2160
2161 2004-11-12  Mike Stump  <mrs@apple.com>
2162
2163         * Makefile.in: Add html support.
2164         * java/Make-lang.in: Likewise.
2165         * fortran/Make-lang.in: Likewise.
2166         * treelang/Make-lang.in: Likewise.
2167         * doc/install.texi: Likewise.
2168         * doc/makefile.texi: Likewise.
2169         * doc/sourcebuild.texi: Likewise.
2170
2171 2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>
2172
2173         * tree-ssa-loop-manip.c: Fix a comment typo.
2174
2175 2004-11-12  Mike Stump  <mrs@apple.com>
2176
2177         * doc/cppinternals.texi (Index): Fix html generation with makeinfo by
2178         renaming this node to Concept Index.
2179         * doc/gccint.texi (Index): Likewise.  Also minor formatting tweaks
2180         to more closely match gcc.texi.
2181
2182 2004-11-12  Jeff Law  <law@redhat.com>
2183
2184         * tree-cfg.c (hashtab.h): Include.
2185         (struct edge_to_case_leader_elt): New structure.
2186         (edge_to_case_leader): New.
2187         (edge_to_case_leader_hash): New hashtable hasing function.
2188         (edge_to_case_leader_eq): New hashtable equality function.
2189         (record_switch_edge): New function.
2190         (get_case_leader_for_edge, get_case_leader_for_edge): New functions.
2191         (make_switch_expr_edges): Build the edge-to-case-leader
2192         hash table.  Tear down the hash table when we're done.
2193         (cleanup_dead_labels): Use CASE_LEADER_OR_LABEL instead of
2194         CASE_LABEL.
2195         (tree_node_can_be_shared): Allow sharing of CASE_LABEL_EXPR nodes.
2196         (tree_redirect_edge_and_branch, case SWITCH_EXPR): Update
2197         to use new concept of case leaders to reduce overhead of
2198         redirecting outgoing edges from switch statements.
2199         * tree.c (get_case_label): New function.
2200         * tree.h (CASE_LABEL): Define in terms of get_case_label.
2201         (CASE_LEADER_OR_LABEL): Define.
2202
2203 2004-11-12  Ziemowit Laski  <zlaski@apple.com>
2204
2205         * varasm.c (output_addressed_constants): For CONST_DECLs,
2206         output the initializer if present.
2207
2208 2004-11-12  Ziemowit Laski  <zlaski@apple.com>
2209
2210         * config/rs6000/darwin.h: Fix confusing typo in comment.
2211
2212 2004-11-12  Devang Patel  <dpatel@apple.com>
2213
2214         * optabs.c (vector_compare_rtx): Use COMPARISON_CLASS_P.
2215
2216 2004-11-12  Devang Patel  <dpatel@apple.com>
2217
2218         * tree-if-conv.c (clean_predicate_lists): Use loop header
2219         and latch directly.
2220
2221 2004-11-12  Richard Henderson  <rth@redhat.com>
2222
2223         PR 17778
2224         * config/i386/i386.h (TARGET_96_ROUND_53_LONG_DOUBLE): New.
2225         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2226         (TARGET_96_ROUND_53_LONG_DOUBLE): New.
2227         * config/i386/i386-modes.def (XF): Use it.
2228
2229 2004-11-11  Geoffrey Keating  <geoffk@apple.com>
2230
2231         * Makefile.in (macro_list): Use move-if-change to avoid spurious
2232         rebuilds.
2233
2234 2004-11-12  Mark Mitchell  <mark@codesourcery.com>
2235
2236         PR c++/18416
2237         * passes.c (rest_of_decl_compilation): Do not look at DECL_RTL
2238         when deciding whether to pass a variable to
2239         cgraph_varpool_finalize_decl or assemble_variable.
2240         * toplev.c (check_global_declarations): Do not clear DECL_RTL.
2241
2242 2004-11-12  Kazu Hirata  <kazu@cs.umass.edu>
2243
2244         * tree-vectorizer.c: Fix a comment typo.
2245
2246 2004-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2247
2248         * genconfig.c (walk_insn_part): Look at match_dups inside a label_ref.
2249
2250 2004-11-12  Diego Novillo  <dnovillo@redhat.com>
2251
2252         * tree-scalar-evolution.c (analyzable_condition): Remove
2253         superfluous TREE_THIS_VOLATILE checks on SSA_NAMEs.
2254
2255 2004-11-12  Ralf Corsepius  <ralf.corsepius@rtems.org>
2256
2257         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
2258         Remove m505/roe multilib variant.
2259
2260 2004-11-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2261
2262         * expr.c (emit_group_load) <CONCAT>: Use extract_bit_field
2263         to load from the stack.
2264
2265 2004-11-12  Richard Henderson  <rth@redhat.com>
2266
2267         * toplev.c (floor_log2): Rename from floor_log2_wide, use CLZ_HWI.
2268         (exact_log2): Rename from exact_log2_wide, use CTZ_HWI.
2269         * toplev.h (FL2T__): Remove.
2270         (CLZ_HWI): Rename from FL2T_CLZ__.
2271         (CTZ_HWI): New.
2272         (floor_log2): Simplify.
2273         (exact_log2): New.
2274
2275 2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>
2276
2277         * tree-data-ref.c (analyze_subscript_affine_affine): Correctly
2278         compute the first overlapping iterations.
2279
2280 2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>
2281
2282         PR middle-end/18005
2283         * tree-data-ref.c (estimate_niter_from_size_of_data): Ensure
2284         that arguments of EXACT_DIV_EXPR are INTEGER_CST.
2285
2286 2004-11-12  Steven Bosscher  <stevenb@suse.de>
2287
2288         PR tree-optimization/18419
2289         * tree-ssa.c (walk_use_def_chains_1): Make the visited map a
2290         pointer set instead of a bitmap.
2291         (walk_use_def_chains): Create, pass and clean up that pointer_set.
2292
2293         * tree-ssa-alias.c (struct alias_info): Make the ssa_names_visited
2294         field an sbitmap.
2295         (init_alias_info): Allocate and zero it here.
2296         (delete_alias_info): Delete it here.
2297         (collect_points_to_info_for): Use it.
2298
2299 2004-11-11  Kazu Hirata  <kazu@cs.umass.edu>
2300
2301         * alias.c (record_alias_subset, addr_side_effect_eval):
2302         Make them static.
2303         * alias.h: Remove the prototype for record_alias_subset.
2304         * expr.h: Remove the commented-out prototype for
2305         record_alias_subset.
2306         * rtl.h: Remove the prototype for addr_side_effect_eval.
2307
2308         * cfglayout.c (choose_inner_scope): Make it static.
2309         * rtl.h: Remove the corresponding prototype.
2310
2311         * cfgloopmanip.c (update_single_exits_after_duplication,
2312         unloop): Make them static.
2313         * cfgloop.h: Remove the corresponding prototypes.
2314
2315         * c-typeck.c (c_size_in_bytes, record_maybe_used_decl):
2316         Make them static.
2317         * c-tree.h: Remove the corresponding prototypes.
2318
2319         * explow.c (round_push): Make it static.
2320         * expr.h: Remove the corresponding prototype.
2321
2322         * varasm.c (get_named_section_flags, decl_tls_model): Make
2323         them static.
2324         * output.h: Remove the prototype for get_named_section_flags.
2325         * tree.h: Remove the prototype for decl_tls_model.
2326
2327 2004-11-11  Kazu Hirata  <kazu@cs.umass.edu>
2328
2329         * function.c (expand_function_end): Remove an "if" statement
2330         that always triggers.
2331         * stmt.c (expand_null_return_1): Likewise.
2332
2333 2004-11-11  James E. Wilson  <wilson@specifixinc.com>
2334
2335         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle XCmode.
2336         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, SECONDARY_MEMORY_NEEDED,
2337         CLASS_MAX_NREGS): Likewise.
2338
2339 2004-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2340
2341         PR tree-optimization/17742
2342         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
2343         MINUS_EXPR correctly.
2344
2345 2004-11-11  Sebastian Pop  <pop@cri.ensmp.fr>
2346
2347         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2348         Give up as soon as the evolution is known not computable.
2349
2350 2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>
2351
2352         PR target/16457
2353         * config/rs6000/rs6000.c (mask64_2_operand): Stub to call
2354         mask64_1or2_operand.
2355         (mask64_1or2_operand): Broken out of mask64_2_operand, add flag
2356         to spot rlwinm opportunities.
2357         (and64_2_operand): Use mask_1or2_operand.
2358         * config/rs6000/rs6000.md (anddi3): Use rlwinm when possible.
2359
2360 2004-11-11  Dorit Naishlos  <dorit@il.ibm.com>
2361
2362         * tree-vectorizer.c (update_phi_nodes_for_guard): Call reverse_phis.
2363         (vect_update_ivs_after_vectorizer): Update function documentation.
2364         Avoid quadratic behavior and direct write to PHI_ARG_DEF.
2365
2366 2004-11-11  Kazu Hirata  <kazu@cs.umass.edu>
2367
2368         * config/arm/arm.c: Fix a comment typo.
2369
2370 2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>
2371
2372         * bitmap.h (nBITMAP_WORD_BITS): Remove.
2373         (BITMAP_WORD_BITS): Force unsigned by use of 1u.
2374         (BITMAP_ELEMENT_WORDS, BITMAP_ELEMENT_ALL_BITS): Remove
2375         unnecessary casts.
2376         (bitmap_first_set_bit): Return unsigned, use ctzl.
2377         (bitmap_last_set_bit): Remove.
2378         * bitmap.c (bitmap_element_zerop, bitmap_copy): Make iterator
2379         unsigned.
2380         (bitmap_first_set_bit): Return unsigned, require non-empty bitmap,
2381         remove special case code for two word elements.
2382         (bitmap_last_set_bit): Remove.
2383         * ra-build.c (livethrough_conflicts_bb): Replace unnecessary use of
2384         bitmap_first_set_bit with bitmap_empty_p.
2385         * tree-outof-ssa.c (analyze_edges_for_bb): Likewise.
2386         * tree-ssa-pre.c (bitmap_print_value): Use simple flag rather than
2387         bitmap_last_bit_set.
2388
2389 2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>
2390
2391         PR target/16796
2392         * config/rs6000/rs6000.md: Add DF & SF reg move peepholes.
2393
2394         PR target/16458
2395         * config/rs6000/rs6000.c (rs6000_generate_compare): Generate an
2396         unsigned equality compare when we know the operands are unsigned.
2397
2398 2004-11-10  Peter S. Mazinger  <ps.m@gmx.net>
2399
2400         * config/mips/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Define
2401         __PIC__ and __pic__ only if TARGET_ABICALLS.
2402         (SUBTARGET_CPP_SPECS): Don't define or undefine __PIC__ and __pic__.
2403         (SUBTARGET_ASM_SPECS): Don't pass -non_shared to assembler; pass
2404         -KPIC only if not -mno-abicalls.
2405
2406         * config/alpha/linux.h, config/arm/linux-elf.h, config/pa/pa-linux.h
2407         * config/sparc/linux.h, config/sparc/linux64.h
2408         (TARGET_OS_CPP_BUILTINS): Define __PIC__ and __pic__ if flag_pic.
2409
2410         * config/arm/linux-gas.h (CPP_SPEC): Don't define __PIC__ or __pic__.
2411         * config/pa/pa/linux.h (CPP_SPEC): Likewise.
2412         * config/sparc/linux.h (CPP_SUBTARGET_SPEC): Likewise.
2413         * config/sparc/linux64.h (CPP_SUBTARGET_SPEC): Likewise.
2414
2415 2004-11-11  Paul Brook  <paul@codesourcery.com>
2416
2417         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Save PIC
2418         register if current_function_uses_pic_offset_table is set.
2419
2420 2004-11-10  David Edelsohn  <edelsohn@gnu.org>
2421
2422         * config/rs6000/rs6000.md (define_attr "type"): Add two and three.
2423         Change multi-instruction sequences to new attribute.
2424         * config/rs6000/{40x.md,440.md,603.md,6xx.md,
2425         7450.md,7xx.md,8540.md,mpc.md,power4.md,power5.md,
2426         rios1.md,rios2.md,rs64.md}: Add descriptions for two and three.
2427
2428 2004-11-10  Daniel Berlin  <dberlin@dberlin.org>
2429
2430         * tree-data-ref.c (build_classic_dist_vector): If either loop
2431         is outside of the nest we asked about, the dependence can't
2432         matter.
2433         (build_classic_dir_vector): Ditto.
2434
2435 2004-11-10  Zdenek Dvorak  <dvorakz@suse.cz>
2436
2437         * tree-ssa-loop-ivopts.c (get_address_cost): Add address elements in
2438         right order.
2439         (force_var_cost): Determine cost of addition and multiplication more
2440         precisely.
2441         (get_computation_cost_at): Add cost for computing address elements to
2442         the final cost.
2443
2444         * fold-const.c (fold): Attempt to use ptr_difference_const whenever
2445         one of the arguments of MINUS_EXPR is an address.
2446         (split_address_to_core_and_offset): New function.
2447         (ptr_difference_const): Handle case when one of the operands is a
2448         pointer.
2449         * tree-ssa-loop-ivopts.c (determine_base_object): Fold &*addr.
2450         (ptr_difference_cost): Pass addresses instead of objects to
2451         ptr_difference_const.
2452
2453 2004-11-10  Nathan Sidwell  <nathan@codesourcery.com>
2454
2455         * tree.c (tree_check_failed): Emit general error if the list of
2456         node types is empty.
2457
2458 2004-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2459
2460         * config/sparc/sparc.c (function_arg_union_value): New 'slotno'
2461         argument.  When the union is passed in the 6th slot, build a
2462         PARALLEL with only one element.
2463         (function_arg): Adjust call to function_arg_union_value.
2464         (function_value): Likewise.
2465
2466 2004-11-10  Fariborz Jahanian <fjahanian@apple.com>
2467
2468         PR tree-optimization/17892
2469         * tree-ssa-dom.c (unsafe_associative_fp_binop): Add test for
2470         MINUS_EXPR operator.
2471
2472 2004-11-10  James A. Morrison  <phython@gcc.gnu.org>
2473
2474         PR target/18230
2475         config/sparc/sparc.md (addsi3, subsi3): Set "fptype" attribute.
2476         (addv2si, addv4hi, addv2hi, subv2si, subv4hi, subv2hi): New patterns.
2477
2478 2004-11-10  Steven Bosscher  <stevenb@suse.de>
2479
2480         * basic-block.h (XMALLOC_REG_SET, XFREE_REG_SET): New.
2481         (struct basic_block_def): Remove local_set and cond_local_set
2482         fields.  Update comment for global_live_at_start.
2483         * flow.c (calculate_global_regs_live): Allocate local_sets and
2484         cond_local_sets here as arrays of bitmaps previously stored in
2485         bb->local_set and bb->cond_local_set.  Use xmalloc instead of
2486         obstack allocated bitmaps.
2487
2488 2004-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2489
2490         PR target/18380
2491         * config/ia64/unwind-ia64.h (_Unwind_FindTableEntry): Mark it
2492         hidden.
2493
2494         * unwind-dw2.c (_Unwind_FindTableEntry): Removed.
2495
2496 2004-11-09  Jeff Law  <law@redhat.com>
2497
2498         * cfganal.c (flow_dfs_compute_reverse_execute): Accept new
2499         argument holding last unvisited block.  Start search for
2500         unvisited blocks at LAST_UNVISITED rather than EXIT_BLOCK.
2501         (connect_infinite_loops_to_exit): Supply last unvisited block
2502         to flow_dfs_compute_reverse_execute.
2503
2504 2004-10-22  Aldy Hernandez  <aldyh@redhat.com>
2505
2506         * config/rs6000/rs6000.md (fix_truncdfsi2): Handle e500
2507         doubles.
2508         (floatunssidf2): Same.
2509         (floatsidf2): Same.
2510         ("extendsfdf2"): New expander.
2511         (*extendsfdf2_fpr): Rename.
2512         (*truncdfsf2_fpr): Same.
2513         (*negdf2_fpr): Same.
2514         (*absdf2_fpr): Same.
2515         (*nabsdf2_fpr): Same.
2516         (*adddf3_fpr): Same.
2517         (*subdf3_fpr): Same.
2518         (*muldf3_fpr): Same.
2519         (*divdf3_fpr): Same.
2520
2521         * config/rs6000/spe.md ("spe_extendsfdf2"): Remove FIXME comment.
2522         ("spe_fix_truncdfsi2"): Same.
2523         (spe_floatunssidf2): Same.
2524         (spe_floatsidf2): Same.
2525
2526 2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>
2527
2528         PR c/18322
2529         * c-common.c (fname_decl): Don't use line number of decl in
2530         diagnostic.
2531
2532 2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>
2533
2534         * config/s390/s390-protos.h (s390_pool_operand): Remove.
2535         * config/s390/s390.c (s390_pool_operand): Likewise.
2536         (s390_extra_constraint_str): Handle 'B' constraints.
2537         * config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
2538         * config/s390/s390.md: Document 'B' constraints.
2539         ("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
2540         s390_pool_operand to prevent insns with two literal pool
2541         references.  Make pattern commutative.
2542         ("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
2543         'B' constraint instead of s390_pool_operand.
2544
2545 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2546
2547         * tree-cfg.c (create_bb): Remove unnecessary memset.
2548
2549 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2550
2551         * tree-ssa-threadupdate.c (copy_phis_to_block): Remove.
2552         (thread_block): Call flush_pending_stmt instead of
2553         copy_phis_to_block.
2554
2555 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2556
2557         * loop-iv.c (iv_number_of_iterations): Make it static.
2558         * cfgloop.h: Remove the corresponding prototype.
2559
2560 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2561
2562         * function.c (combine_temp_slots, assign_parms,
2563         expand_pending_sizes): Make them static.
2564         * tree.h: Remove the corresponding prototypes.
2565
2566 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2567
2568         * emit-rtl.c (copy_most_rtx): Remove.
2569         * rtl.h: Remove the corresponding prototype.
2570
2571 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2572
2573         * cfgloop.c (flow_loops_update): Remove.
2574         * cfgloop.h: Remove the corresponding prototype.
2575
2576 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2577
2578         * conflict.c (mark_reg, conflict_graph_compute): Remove.
2579         * basic-block.h: Remove the prototype for
2580         conflict_graph_compute.
2581
2582 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2583
2584         * tree-if-conv.c (add_to_dst_predicate_list): Change the
2585         second argument to basic_block.
2586         (tree_if_convert_cond_expr): Update call sites.
2587
2588 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2589
2590         * fold-const.c (pedantic_non_lvalue): Make it static.
2591         * tree.h: Remove the corresponding prototype.
2592
2593 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * optabs.c (prepare_operand): Make it static.
2596         * optabs.h: Remove the corresponding prototype.
2597
2598 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2599
2600         * reload1.c (reloads_conflict, gen_reload): Make them static.
2601         * reload.h: Remove the corresponding prototypes.
2602
2603 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2604
2605         * reload.c (refers_to_mem_for_reload_p,
2606         refers_to_regno_for_reload_p): Make them static.
2607         * reload.h: Remove the corresponding prototypes.
2608
2609 2004-11-09  James A. Morrison  <phython@gcc.gnu.org>
2610             Eric Botcazou  <ebotcazou@libertysurf.fr>
2611
2612         PR target/18230
2613         * doc/md.texi (SPARC constraints): Document 'Y' constraint.
2614         * config/sparc/sparc-modes.def: Add vector modes of 4 and 8 bytes.
2615         * config/sparc/sparc.c (sparc_vector_mode_supported_p): New function.
2616         (TARGET_VECTOR_MODE_SUPPORTED_P): Set to sparc_vector_mode_supported_p.
2617         (fp_zero_operand): Accept MODE_VECTOR_INT modes.
2618         (input_operand): Accept CONST_VECTOR with MODE_VECTOR_INT modes.
2619         (sparc_cannot_force_const_mem): Return false for CONST_VECTOR.
2620         (sparc_init_modes): Set sparc_mode_class to SF_MODE or DF_MODE for
2621         MODE_VECTOR_INT modes.
2622         (sparc_extra_constraint_check): Add new constraint 'Y'.
2623         * config/sparc/sparc.h: Define UNITS_PER_SIMD_WORD to 8 for TARGET_VIS.
2624         * config/sparc/sparc.md (V32): New mode macro for 32-bit modes.
2625         (V64): New mode macro for 64-bit modes.
2626         (movsf): Use V32 for mode instead of SF.
2627         (movsf_insn_vis): Use V32 for mode instead of SF.  Add 'Y' constraint
2628         alongside 'G' constraint.
2629         (movdf): Use V64 for mode instead of DF.
2630         (movdf_insn_v9only_vis, modf_insn_sp64_vis): Use V64 for mode instead
2631         of DF.  Add 'Y' constraint alongside 'G' constraint.
2632         (multi-isn and misaligned mems DFmode splitters): Use V64 for mode
2633         instead of DF.
2634
2635 2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>
2636
2637         * config/s390/s390.c (s390_select_ccmode): Return CCAPmode for
2638         integer NEG and ABS.
2639         * config/s390/s390.md ("*negdi2_64"): Fix op_type attribute.
2640         ("*negdi2_31"): Reimplement using a splitter.
2641         ("*negdi2_cc", "*negdi2_cconly"): New insns.
2642         ("*negdi2_sign", "*negdi2_sign_cc"): Likewise.
2643         ("*negsi2_cc", "*negsi2_cconly"): Likewise.
2644         ("*negdf2_cc", "*negdf2_cconly"): Likewise.
2645         ("*negsf2_cc", "*negsf2_cconly"): Likewise.
2646         ("*absdi2_cc", "*absdi2_cconly"): New insns.
2647         ("*absdi2_sign", "*absdi2_sign_cc"): Likewise.
2648         ("*abssi2_cc", "*abssi2_cconly"): Likewise.
2649         ("*absdf2_cc", "*absdf2_cconly"): Likewise.
2650         ("*abssf2_cc", "*abssf2_cconly"): Likewise.
2651         ("*negabsdi2_cc", "*negabsdi2_cconly"): New insns.
2652         ("*negabsdi2_sign", "*negabsdi2_sign_cc"): Likewise.
2653         ("*negabssi2_cc", "*negabssi2_cconly"): Likewise.
2654         ("*negabsdf2_cc", "*negabsdf2_cconly"): Likewise.
2655         ("*negabssf2_cc", "*negabssf2_cconly"): Likewise.
2656
2657 2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>
2658
2659         * config/s390/s390.c (s390_canonicalize_comparison): Reverse condition
2660         when eliminating an UNSPEC_CMPINT.
2661         (s390_secondary_input_reload_class): Fix test for CC register reload.
2662         (s390_secondary_output_reload_class): Likewise.
2663         (s390_expand_cmpmem): Swap operands.  Use gen_cmpint.
2664         * config/s390/s390.md ("*cmpint_si", "*cmpint_di"): Remove.
2665         ("cmpint", "*cmpint_cc", "*cmpint_sign", "*cmpint_sign_cc"): New
2666         insn patterns with splitters.
2667
2668 2004-11-09  David Edelsohn  <edelsohn@gnu.org>
2669
2670         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
2671         * config/rs6000/rs6000.md (sCC): Split GTU and LTU patterns.
2672
2673 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2674
2675         * tree-phinodes.c (phi_reverse): New.
2676         * tree-cfg.c (tree_make_forwarder_block, tree_duplicate_bb):
2677         Use it.
2678         * tree-flow.h: Add a prototype for phi_reverse.
2679
2680 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
2681
2682         * tree-ssa-loop-ivopts.c: Fix a comment typo.
2683
2684 2004-11-09  James A. Morrison  <phython@gcc.gnu.org>
2685
2686         PR pch/14940
2687         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __sparc__
2688         definitions.
2689
2690 2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>
2691
2692         * builtins.c, c-common.c, c-decl.c, c-format.c: Say "argument"
2693         instead of "arg" in diagnostics.
2694
2695 2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>
2696
2697         * builtins.c, c-common.c, c-decl.c, c-format.c, c-format.h,
2698         c-parse.in, c-pch.c, c-pragma.c, collect2.c, final.c, gcc.c,
2699         gcov.c, opts.c, pretty-print.h, protoize.c, reg-stack.c, rtl.c,
2700         tlink.c, config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2701         config/avr/avr.c, config/c4x/c4x.c, config/darwin.c,
2702         config/frv/frv.c, config/h8300/h8300.c, config/i386/i386.c,
2703         config/i386/winnt.c, config/ia64/ia64.c, config/ip2k/ip2k.c,
2704         config/iq2000/iq2000.c, config/m32r/m32r.c,
2705         config/m68hc11/m68hc11.c, config/m68k/m68k.c, config/m68k/m68k.h,
2706         config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.c,
2707         config/ns32k/ns32k.c, config/rs6000/host-darwin.c,
2708         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
2709         config/sh/symbian.c, config/stormy16/stormy16.c,
2710         config/v850/v850.c: Avoid "`" as left quote, using "'" or %q, %<
2711         and %> as appropriate.  Use %' as apostrophe in diagnostics where
2712         applicable.  Use %< and %> in place of '' quotes where applicable.
2713         Use %qs in place of %<%s%>.  Consistently quote __builtin function
2714         names.
2715
2716 2004-11-09  Hans-Peter Nilsson  <hp@bitrange.com>
2717
2718         * gdbinit.in (pbb, pbm): New macros.
2719
2720 2004-11-08 Jeff Law  <law@redhat.com>
2721
2722         * cfg.c (redirect_edge_succ_nodup): Use find_edge rather than
2723         implementing it inline.
2724
2725         * cfganal.c (find_edge): Search pred->succs or succ->preds,
2726         whichever is shorter.
2727
2728 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2729
2730         * passes.c (rest_of_handle_jump): Remove dead code.
2731
2732 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2733
2734         * tree-cfg.c (thread_jumps): Speed up by keeping a pointer to
2735         the last used element in the worklist.
2736
2737 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2738
2739         * tree-inline.c (remap_save_expr): Make it static.
2740         * tree-inline.h: Remove the corresponding prototype.
2741
2742 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2743
2744         * tree-ssa-loop-niter.c (upper_bound_in_type,
2745         lower_bound_in_type): Make them static.
2746         * tree.h: Remove the corresponding prototypes.
2747
2748 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2749
2750         * tree-ssa-live.c (tpa_init, pop_best_coalesce): Make them
2751         static.
2752         * tree-ssa-live.h: Remove the corresponding prototypes.
2753
2754 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2755
2756         * tree-if-conv.c (tree_if_conversion): Make it static.
2757         * tree-flow.h: Remove the corresponding prototype.
2758
2759 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2760
2761         * tree-ssa-operands.c (build_ssa_operands): Make it static.
2762         * tree-flow.h: Remove the corresponding prototype.
2763
2764 2004-11-08  Andrew Pinski  <pinskia@physics.uc.edu>
2765
2766         PR tree-opt/18299
2767         * tree-inline.c (copy_body_r): Change "t = t" to empty
2768         statement instead of "t".
2769
2770 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2771
2772         * modulo-sched.c (create_partial_schedule,
2773         free_partial_schedule, reset_partial_schedule,
2774         ps_add_node_check_conflicts, rotate_partial_schedule): Make
2775         them static.
2776
2777 2004-11-08  Richard Henderson  <rth@redhat.com>
2778
2779         * expmed.c (extract_force_align_mem_bit_field): Correct handling at
2780         the end of a page.
2781
2782 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2783
2784         * sched-deps.c (add_insn_mem_dependence): Make it static.
2785         * sched-int.h: Remove the corresponding prototypes.
2786
2787 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2788
2789         * flow.c (allocate_bb_life_data): Make it static.
2790         * basic-block.h: Remove the corresponding prototype.
2791
2792 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2793
2794         * calls.c (split_complex_values, split_complex_types): Make
2795         them static.
2796         * expr.h: Remove the corresponding prototypes.
2797
2798 2004-11-08  Richard Earnshaw  <rearnsha@arm.com>
2799
2800         * arm.c (arm_handle_notshared_attribute): Wrap declaration and use
2801         with #if TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2802
2803 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2804
2805         * tree-if-conv.c (tree_if_convert_cond_expr): Remove two "if"
2806         statements that always trigger.
2807
2808 2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>
2809
2810         * tree-cfg.c, tree-if-conv.c, tree-into-ssa.c,
2811         tree-scalar-evolution.c, tree-ssa-loop-im.c,
2812         tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa.c,
2813         tree-vectorizer.c: Replace TREE_CHAIN with PHI_CHAIN where
2814         appropriate.
2815
2816 2004-11-08  Ben Elliston  <bje@au.ibm.com>
2817
2818         * cgraph.h (cgraph_calls_p): Remove.
2819         * cgraph.c (cgraph_calls_p): Likewise.
2820
2821         * varray.h (varray_copy): Remove.
2822         * varray.c (varray_copy): Likewise.
2823
2824 2004-11-07  Andrew Pinski  <pinskia@physics.uc.edu>
2825
2826         PR target/18269
2827         * config/darwin.c (machopic_indirect_data_reference):
2828         Call gen_macho_high and gen_macho_low instead of
2829         checking the mode and calling gen_macho_high_di directly.
2830         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2831         * config/rs6000/rs6000.md: Move most of TARGET_MACHO expand/insns
2832         to darwin.md.
2833         (movdf_low, movsf_low, movsf_low_st, movsi_low, macho_correct_pic,
2834         load_macho_picbase, macho_low, macho_high): Removed.
2835         (builtin_setjmp_receiver): Call gen_macho_high and
2836         gen_macho_low instead of checking the mode and calling
2837         gen_macho_high_di directly.
2838         * config/rs6000/darwin.md (load_macho_picbase_di): Use the MD constant.
2839         (movdf_low_si, movsf_low_si, movsf_low_st_si, movsi_low_st):
2840         Moved from rs6000.md.
2841         (macho_high): New expander.
2842         (macho_high_si): Renamed version of macho_high from rs6000.md.
2843         (macho_low): New expander.
2844         (macho_low_si): Renamed version of macho_low from rs6000.md.
2845         (load_macho_picbase): New expander.
2846         (load_macho_picbase_si): Renamed version of load_macho_picbase
2847         from rs6000.md.
2848         (macho_correct_pic): New expander.
2849         (macho_correct_pic_si): Renamed version of macho_correct_pic
2850         from rs6000.md.
2851
2852 2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>
2853
2854         * c-decl.c (finish_struct): Use complete sentences for diagnostic
2855         for structures or unions with no members or named members.
2856
2857 2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>
2858
2859         * c-typeck.c (build_unary_op): Replace unreachable diagnostic for
2860         taking address of bit-field by assertion.
2861
2862 2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>
2863
2864         * config/s390/s390.md (attribute "op_type"): Default to "NN".
2865         (attribute "atype"): Default to "agen".
2866         (attribute "length"): Default to 6.
2867         (define_asm_attibutes): Remove.
2868         ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
2869         "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf",
2870         "*clc", "*mvc", "*nc", "*oc", "*xc", "*xc_zero"):
2871         Do not set type attribute to "cs" where already default.
2872         ("*cmpint_si", "*cmpint_di", "fix_truncdfsi2_ibm", "floatsidf2_ibm",
2873         "*negdi2_31"):
2874         Do not set type attribute to "other" where already default.
2875         ("movti", "*movdi_64", "*movdi_31", "*movdf_31",
2876         "*strlendi", "*strlensi",
2877         "*movmem_long_64", "*movmem_long_31",
2878         "*clrmem_long_64", "*clrmem_long_31",
2879         "*cmpmem_long_64", "*cmpmem_long_31",
2880         "*cmpint_si", "*cmpint_di",
2881         "addti3", "*adddi3_31z", "*adddi3_31",
2882         "subti3", "*subdi3_31z", "*subdi3_31", "*negdi2_31",
2883         "*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg",
2884         "fix_truncdfsi2_ibm", "floatsidf2_ibm", "extendsfdf2_ibm",
2885         "*pool_entry", "pool_align", "pool_section_start",
2886         "pool_section_end", "main_pool", "reload_base_31", "pool"):
2887         Do not set op_type attribute to "NN" where already default.
2888         ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
2889         "*zero_extendqisi2_31", "*zero_extendqihi2_31",
2890         "fix_truncdfsi2_ibm", "floatsidf2_ibm"):
2891         Do not set atype attribute to "agen" where already default.
2892         ("*movmem_short", "*clrmem_short", "*cmpmem_short"): Don't set op_type.
2893
2894 2004-11-06  Richard Sandiford  <rsandifo@redhat.com>
2895
2896         * config/mips/t-iris6 (tp-bit.c): Fix target filename.
2897
2898 2004-11-06  Richard Sandiford  <rsandifo@redhat.com>
2899
2900         PR target/16830
2901         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define the
2902         R3000 and R4000 macros on IRIX.
2903
2904 2004-11-06  Andreas Schwab  <schwab@suse.de>
2905
2906         PR target/16286
2907         * config/rs6000/altivec.h: Replace bool by __bool and pixel by
2908         __pixel.
2909
2910 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
2911
2912         * tree-ssa-copyrename.c (rename_ssa_copies): Make it static.
2913
2914 2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>
2915
2916         * config/s390/2064.md ("z_int", "z_agen"): Ensure the condition
2917         matches no insns already matched by other reservations.
2918         * config/s390/2084.md ("x_int", "x_agen"): Ensure the condition
2919         matches no insns already matched by other reservations.
2920         ("x_ss"): Remove, replace by ...
2921         ("x_cs"): ... this new reservation.  Check type instead of op_type.
2922         Update bypasses to use x_cs instead of x_ss.
2923         ("x_nn"): Remove, replace by ...
2924         ("x_other"): ... this new reservation.  Check type instead of op_type.
2925         Add x_other and x_branch to bypasses.
2926         ("x_vs"): New reservation.
2927         * config/s390/s390.md (attribute "type"): Default according to op_type.
2928         ("*execute"): Set type to "cs".
2929
2930 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * fold-const.c (non_lvalue): Don't construct NON_LVALUE_EXPR
2933         if we are in GIMPLE.
2934
2935 2004-11-06  Hans-Peter Nilsson  <hp@bitrange.com>
2936
2937         PR rtl-optimization/17933
2938         * rtlanal.c (dead_or_set_regno_p): Break out common code to...
2939         (covers_regno_p): New function.  Handle SETs of PARALLEL,
2940         and defer the rest to...
2941         (covers_regno_no_parallel_p): New function.
2942
2943 2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2944
2945         * config/sparc/sparc.c (function_arg_record_value_1): Skip
2946         fields with zero length.
2947         (function_arg_record_value_2): Likewise.
2948         (function_arg_record_value_3): Use smallest_mode_for_size
2949         instead of mode_for_size.
2950         (function_arg_union_value): Return naked register for unions
2951         with zero length.
2952
2953 2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2954
2955         * config/sparc/sparc.c (scan_record_type): Handle vector types.
2956         (function_arg_slotno): Handle vector types specially.
2957         (function_arg_record_value_1): Split fields with vector type and
2958         BLKmode into their subparts.
2959         (function_arg_record_value_2): Likewise.  Be prepared to handle
2960         more than 2 registers per field.
2961         (function_arg_union_value): Increment regno inside the loop.
2962         (function_arg_vector_value): New function.
2963         (function_arg): Use it to split fields with vector type and
2964         BLKmode into their subparts and build a PARALLEL.  Treat
2965         other vector types like floats.
2966         (function_value): Likewise.
2967         (sparc_pass_by_reference): Handle vector types.
2968         (sparc_return_in_memory): Likewise.
2969
2970 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
2971
2972         * tree-cfg.c (find_taken_edge_cond_expr): Remove an "if"
2973         statement that never triggers.
2974
2975 2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>
2976
2977         * config/s390/2064.md ("z_o2", "z_o3"): Remove.
2978         * config/s390/2084.md ("x_o2", "x_o3"): Remove.
2979         ("x_fdivd"): Use also for fsqrtd type.
2980         ("x_fdivs"): Use also for fsqrts type.
2981         * config/s390/s390.md (attribute "type"): Remove "o2" and "o3" types.
2982         ("fix_truncdfsi2_ieee"): Set type to "ftoi".
2983         ("fix_truncdfsi2_ibm"): Set type to "other".
2984         ("floatdidf2", "floatdisf2"): Do not clobber CC.
2985         ("floatsidf2", "floatsidf2_ieee"): Likewise.
2986         ("floatsisf2", "floatsisf2_ieee"): Likewise.
2987         ("truncdfsf2", "truncdfsf2_ieee"): Only allow "register_operand".
2988         ("truncdfsf2_ibm"): Only allow "nonimmediate_operand".  Use LER
2989         instead of LRER.
2990         ("extendsfdf2_ibm"): Do not set atype.  Set type to "floads".
2991         ("sqrtdf2"): Set type to "fsqrtd".
2992         ("sqrtsf2"): Set type to "fsqrts".
2993
2994 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
2995
2996         * tree-phinodes.c (remove_all_phi_nodes_for): Speed up using a
2997         pointer to the last PHI node in the new PHI chain.
2998
2999 2004-11-06  Kaz Kojima  <kkojima@gcc.gnu.org>
3000
3001         * config/sh/sh.c (prepare_move_operands): Emit a use of r12
3002         for non-PIC TLS_MODEL_INITIAL_EXEC case.
3003
3004 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
3005
3006         * expmed.c: Fix a comment typo.
3007
3008 2004-11-06  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3009
3010         PR target/18106
3011         * config/i386/cygming.h
3012         [HAVE_GAS_WEAK] (ASM_WEAKEN_LABEL): Macro defined.
3013
3014 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
3015
3016         * config/sh/sh4a.md: Fix copyright.
3017
3018 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
3019
3020         * config/rs6000/darwin.md, config/sh/sh4a.md: Replace GNU CC
3021         with GCC.
3022
3023 2004-11-05  David Edelsohn  <edelsohn@gnu.org>
3024
3025         * config/rs6000/rs6000.md (scc patterns): Replace subfc with subf
3026         when carry not used.  Suggested by Torbjorn Granlund.
3027
3028         * config/rs6000/rs6000.c (rs6000_emit_move): Don't force_reg
3029         operand[1] unnecessarily.  Suggested by Eric Christopher.
3030         (rs6000_adjust_cost): Increase latency of store to wider load.
3031         (rs6000_rtx_costs): mulli only allows 16-bit constants.
3032
3033 2004-11-05  Stan Shebs  <shebs@apple.com>
3034
3035         * config/rs6000/rs6000.c (machopic_output_stub): Output
3036         ldu instead of lwzu for 64-bit stubs.
3037
3038 2004-11-05  Richard Henderson  <rth@redhat.com>
3039
3040         * config/alpha/alpha.c (alpha_expand_unaligned_load): Special case
3041         size 2 with BWX.
3042         (alpha_expand_unaligned_store): Likewise.
3043
3044 2004-11-05  Richard Henderson  <rth@redhat.com>
3045
3046         * expmed.c (extract_force_align_mem_bit_field): New.
3047         (extract_split_bit_field): Call it.
3048
3049 2004-11-05  Richard Henderson  <rth@redhat.com>
3050
3051         * ia64.md (UNSPEC_SHRP): New.
3052         (dshift_count_operand): New.
3053         (ashrti3, ashrti3_internal, lshrti3, lshrti3_internal, shrp): New.
3054         * ia64.c (rtx_needs_barrier): Handle UNSPEC_SHRP.
3055
3056 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
3057
3058         * c-typeck.c (output_init_element): Return early if value is
3059         error_mark_node.
3060
3061 2004-11-05  James E Wilson  <wilson@specifixinc.com>
3062
3063         * invoke.texi (-fno-guess-branch-probability): Rewrite.
3064
3065         * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC_GR_SPILL): Change
3066         1 to UNSPEC_GR_SPILL.
3067
3068 2004-11-05  Andreas Krebbel  <krebbel1@de.ibm.com>
3069
3070         * config/s390/s390.c (s390_fixed_condition_code_regs): New function.
3071         (TARGET_FIXED_CONDITION_CODE_REGS): Macro defined.
3072
3073 2004-11-05  Nathan Sidwell  <nathan@codesourcery.com>
3074
3075         * bitmap.h (enum bitmap_bits): Remove.
3076         (bitmap_operation): Remove.
3077         (bitmap_and, bitmap_and_into, bitmap_and_compl,
3078         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
3079         bitmap_xor_into): Prototype.
3080         * bitmap.c (bitmap_elt_insert_after, bitmap_elt_clear_from): New.
3081         (bitmap_operation): Remove.
3082         (bitmap_and, bitmap_and_into, bitmap_and_compl,
3083         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
3084         bitmap_xor_into): New.
3085         (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Adjust.
3086
3087         PR tree-optimization/18307
3088         * tree-ssa-alias.c (merge_pointed_to_info): Protected against DEST
3089         and ORIG being the same node.
3090
3091 2004-11-04  Geoffrey Keating  <geoffk@apple.com>
3092
3093         * Makefile.in (distclean): Don't delete nonexistent fixinc/ directory.
3094         (install-mkheaders): Install the version built for the
3095         host, not for the build machine.
3096         * configure.ac: Always run fixincludes.
3097         (all_outputs): Remove mkheaders.
3098         * configure: Regenerate.
3099         * fixinc.in: Move to fixincludes/.
3100         * mkfixinc.sh: Likewise.
3101         * mkheaders.in: Likewise.
3102         * README-fixinc: Likewise.
3103
3104 2004-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
3105
3106         PR target/18263
3107         * config/arc/lib1funcs.asm (___umulsidi3): Change use of cmp to the
3108         equivalent on the A4.
3109
3110 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
3111
3112         * doc/c-tree.texi, doc/cfg.texi, doc/contrib.texi, doc/cpp.texi,
3113         doc/cppopts.texi, doc/extend.texi, doc/fragments.texi,
3114         doc/frontends.texi, doc/gcov.texi, doc/hostconfig.texi,
3115         doc/implement-c.texi, doc/install.texi, doc/invoke.texi,
3116         doc/libgcc.texi, doc/md.texi, doc/passes.texi,
3117         doc/portability.texi, doc/rtl.texi, doc/sourcebuild.texi,
3118         doc/standards.texi, doc/tm.texi, doc/tree-ssa.texi,
3119         doc/trouble.texi: Correct end-of-sentence markup and markup of
3120         "etc.", "e.g." and "i.e.".  Use @code in various places where
3121         appropriate.
3122
3123 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
3124
3125         * doc/c-tree.texi, doc/cfg.texi, doc/extend.texi, doc/gty.texi,
3126         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/passes.texi,
3127         doc/rtl.texi, doc/tm.texi, doc/tree-ssa.texi: Remove trailing
3128         whitespace.
3129
3130 2004-11-04  Mark Mitchell  <mark@codesourcery.com>
3131
3132         * config/arm/arm.c (arm_handle_notshared_attribute): New function.
3133         * doc/extend.texi: Document "notshared" attribute.
3134
3135 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3136
3137         * tree-phinodes.c (make_phi_node): Make it static.
3138         * tree.h: Remove the prototypes for make_phi_node.
3139
3140 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3141
3142         * stmt.c (expand_asm, expand_asm_operands): Make them static.
3143         * tree.h: Remove the prototypes for expand_asm and
3144         expand_asm_operands.
3145
3146 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3147
3148         * passes.c (rest_of_compilation): Make it static.
3149         * toplev.h: Remove the prototype for rest_of_compilation.
3150
3151 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3152
3153         * jump.c (cleanup_barriers): Use delete_insn instead of
3154         delete_barrier.
3155         (delete_barrier): Remove.
3156         * rtl.h: Remove the corresponding prototype.
3157
3158 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3159
3160         * expr.c (mostly_zero_p): Make it static.
3161         * tree.h: Remove the prototype for mostly_zeros_p.
3162
3163 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3164
3165         * cfgrtl.c (force_nonfallthru_and_redirect): Make it static.
3166
3167 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3168
3169         * builtins.c (expand_builtin_return_addr,
3170         expand_builtin_longjmp, expand_builtin_trap): Make them static.
3171         * expr.h: Remove the prototypes for expand_builtin_longjmp and
3172         expand_builtin_trap.
3173         * tree.h: Remove the prototype for expand_builtin_return_addr.
3174
3175 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3176
3177         * tree-cfg.c (find_taken_edge): Reject VAL begin NULL.
3178         * tree-ssa-ccp.c (visit_cond_stmt): Don't call find_taken_edge
3179         with VAL being NULL.
3180
3181 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3182
3183         * cfghooks.c (delete_basic_block): Remove code to truncate
3184         edge vectors.
3185
3186 2004-11-04  Andrew Pinski  <pinskia@physics.uc.edu>
3187
3188         * flow.c (init_propagate_block_info): Change the type of i to
3189         unsigned.
3190
3191 2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>
3192
3193         PR tree-optimization/18184
3194         * c-typeck.c (comptypes): Do not treat pointers of different
3195         modes or alias-all flags as equivalent.
3196         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Likewise.
3197
3198 2004-11-04  Joseph S. Myers  <joseph@codesourcery.com>
3199
3200         * doc/gty.texi, doc/makefile.texi, doc/sourcebuild.texi: Don't
3201         reference specific C parser files in examples.
3202
3203 2004-11-04  Richard Sandiford  <rsandifo@redhat.com>
3204
3205         PR target/15342
3206         * regrename.c (scan_rtx): Treat the destinations of SETs and CLOBBERs
3207         as OP_INOUT if the instruction is predicated.
3208
3209 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3210
3211         * bitmap.h: Fix a comment typo.  Follow spelling conventions.
3212         * tree-vectorizer.c: Fix a comment typo.
3213
3214 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
3215
3216         * sdbout.c (SDB_GENERATE_FAKE): Remove.
3217         (gen_fake_label): Don't use SDB_GENERATE_FAKE.
3218         * system.h: Poison SDB_GENERATE_FAKE.
3219         * doc/tm.texi (SDB_GENERATE_FAKE): Remove.
3220
3221 2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>
3222
3223         * config/s390/s390.md ("*addsi3_sign"): Use canonical RTL.
3224
3225 2004-11-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3226
3227         PR other/18277
3228         * gthr-posix.h (__gthread_recursive_mutex_init_function): Revert
3229         2004-10-29 patch
3230
3231 2004-11-04  Nathan Sidwell  <nathan@codesourcery.com>
3232
3233         * predict.c (propagate_freq): Make bitno unsigned. Move
3234         npredecessors update out of loop.
3235
3236         * bitmap.h (bitmap_iterator): Remove word_bit and bit
3237         fields. Rename others.
3238         (bmp_iter_common_next_1, bmp_iter_single_next_1,
3239         bmp_iter_single_init, bmp_iter_end_p, bmp_iter_single_next,
3240         bmp_iter_and_not_next_1, bmp_iter_and_not_init,
3241         bmp_iter_and_not_next, bmp_iter_and_next_1, bmp_iter_and_init,
3242         bmp_iter_and_next): Remove.
3243         (bmp_iter_set_init, bmp_iter_and_init, bmp_iter_and_compl_init,
3244         bmp_iter_next, bmp_iter_set, bmp_iter_and, bmp_iter_and_compl):
3245         New.
3246         (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_IN_BITMAP,
3247         EXECUTE_IF_AND_COMPL_IN_BITMAP): Adjust.
3248
3249         * bitmap.h (bitmap_a_or_b, bitmap_a_and_b): Remove.
3250         * df.c (dataflow_set_a_op_b): Use bitmap_and, bitmap_ior,
3251         bitmap_and_into, bitmap_ior_into as appropriate.
3252         * except.c (remove_eh_handler): Likewise.
3253         * global.c (modify_bb_reg_pav, make_accurate_live_analysis): Likewise.
3254         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3255         * tree-ssa-alias.c (merge_pointed_to_info): Likewise.
3256         * tree-ssa-live.h (live_merge_and_clear): Likewise.
3257         * tree-ssa-loop-ivopts.c (find_best_candidate, try_add_cand_for):
3258         Likewise.
3259
3260         * bitmap.c (bitmap_print): Make bitno unsigned.
3261         * bt-load.c (clear_btr_from_live_range,
3262         btr_def_live_range): Likewise.
3263         * caller-save.c (save_call_clobbered_regs): Likewise.
3264         * cfganal.c (compute_dominance_frontiers_1): Likewise.
3265         * cfgcleanup.c (thread_jump): Likewise.
3266         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
3267         * conflict.c (conflict_graph_compute): Likewise.
3268         * ddg.c (add_deps_for_use): Likewise.
3269         * df.c (df_refs_update): Likewise.
3270         * except.c (remove_eh_handler): Likewise.
3271         * flow.c (verify_local_live_at_start, update_life_info,
3272         initialize_uninitialized_subregs, propagate_one_insn,
3273         free_propagate_block_info, propagate_block, find_use_as_address,
3274         reg_set_to_hard_reg_set): Likewise.
3275         * gcse.c (clear_modify_mem_tables): Likewise.
3276         * global.c (global_conflicts, build_insn_chain): Likewise.
3277         * ifcvt.c (dead_or_predicable): Likewise.
3278         * local-alloc.c (update_equiv_regs): Likewise.
3279         * loop.c (load_mems): Likewise.
3280         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs):
3281         Likewise.
3282         * ra-rewrite.c (reloads_to_loads, rewrite_program2, actual_spill):
3283         Likewise.
3284         * reload1.c (order_regs_for_reload, finish_spills): Likewise.
3285         * sched-deps.c (sched_analyze_insn, free_deps): Likewise.
3286         * sched-rgn.c (propagate_deps
3287         * tree-cfg.c (tree_purge_all_dead_eh_edges): Likewise.
3288         * tree-dfa.c (dump_dfa_stats
3289         tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
3290         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags):
3291         Likewise.
3292         * tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars,
3293         free_temp_expr_table, find_replaceable_exprs): Likewise.
3294         * tree-sra.c (scan_function, scalarize_parms): Likewise.
3295         * tree-ssa-alias.c (init_alias_info,
3296         compute_points_to_and_addr_escape,
3297         compute_flow_sensitive_aliasing, maybe_create_global_var): Likewise.
3298         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Likewise.
3299         * tree-ssa-live.c (new_tree_live_info, live_worklist,
3300         calculate_live_on_entry, calculate_live_on_exit, compare_pairs,
3301         sort_coalesce_list, build_tree_conflict_graph, dump_live_info
3302         tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
3303         tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
3304         add_call_read_ops): Likewise.
3305         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Likewise.
3306         * tree-ssa-live.h (num_var_partitions): Return unsigned.
3307
3308 2004-11-03  Dorit Naishlos  <dorit@il.ibm.com>
3309
3310         PR tree-optimization/18009
3311         * tree-vectorizer.h (enum dr_alignment_support): New type.
3312         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): Removed.
3313         (LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
3314         single data_reference (instead of a varray of references).
3315         * tree-vectorizer.c (new_loop_vec_info): Likewise.
3316         (vect_gen_niters_for_prolog_loop): Likewise.
3317         (vect_update_inits_of_drs): Likewise.
3318
3319         (vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
3320         vect_enhance_data_refs_alignment.
3321         (vect_do_peeling_for_alignment): Likewise.
3322         (vect_enhance_data_refs_alignment): Decide if and by how much to peel;
3323         this functionality used to be in vect_analyze_data_refs_alignment.
3324         Also update DR_MISALIGNMENT due to peeling; this functionality used to
3325         be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
3326         (vect_analyze_data_refs_alignment): Decision on whether and by how much
3327         to peel moved to vect_enhance_data_refs_alignment. Call
3328         vect_supportable_dr_alignment.
3329
3330         (vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
3331         (vect_compute_data_refs_alignment): Return bool. Consider return value
3332         of vect_compute_data_ref_alignment and return true/false accordingly.
3333         (vect_enhance_data_refs_alignment): Consider return value of
3334         vect_compute_data_refs_alignment and return true/false accordingly.
3335
3336         (vect_supportable_dr_alignment): New function.
3337         (vectorizable_store): Call vect_supportable_dr_alignment.
3338         (vectorizable_load): Call vect_supportable_dr_alignment. Alignment
3339         support checks moved from here to vect_supportable_dr_alignment.
3340
3341         (vect_transform_loop): Avoid 80 columns overflow.
3342
3343 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3344
3345         * timevar.c (timevar_enable): Change from
3346         static.
3347         (timevar_push): Rename to ...
3348         (timevar_push_1): this and remove the
3349         enabled check.
3350         (timevar_pop): Rename to ...
3351         (timevar_pop_1): this and remove the
3352         enabled check.
3353         * timevar.h (POP_TIMEVAR_AND_RETURN): Use do/while loops.
3354         (timevar_pop): New macro.
3355         (timevar_push): New macro.
3356         (timevar_enable): Declare.
3357
3358 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3359
3360         * config/darwin.h (REAL_LIBGCC_SPEC): Define to use shared
3361         libgcc for shared libraries.
3362
3363 2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3364
3365         * config/s390/s390-protos.h (s390_split_access_reg): Add prototype.
3366         * config/s390/s390.c (s390_split_access_reg): New function.
3367         (regclass_map): Add access registers.
3368         (get_thread_pointer): Use access register instead of UNSPEC_TP.
3369         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Set to 38.
3370         (ACCESS_REGNO_P, ACCESS_REG_P): New macros.
3371         (TP_REGNUM): New define.
3372         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
3373         REG_ALLOC_ORDER): Add access registers.
3374         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3375         CANNOT_CHANGE_MODE_CLASS): Support access registers.
3376         (enum reg_class): Add ACCESS_REGS.
3377         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
3378         (REG_CLASS_FROM_LETTER): Add 't' constraint.
3379         (REGISTER_NAMES): Add access registers.
3380         * config/s390/s390.md (UNSPEC_TP): Remove.
3381         ("*movdi_64"): Add access register alternatives.  Provide splitters
3382         to split DImode access register <-> GPR moves into SImode moves.
3383         ("*movsi_zarch", "*movsi_esa"): Add access register alternatives.
3384         ("movstrictsi"): Likewise.
3385         ("get_tp_64", "get_tp_31"): Reimplement using access registers.
3386         ("set_tp_64", "set_tp_31"): Likewise.
3387         ("*set_tp"): New insn.
3388
3389 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
3390
3391         * tree-phinodes.c (resize_phi_node): Copy only a portion of
3392         the PHI node currently in use.
3393
3394 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3395
3396         PR tree-opt/18231
3397         * tree.c (staticp) <case FUNCTION_DECL>: Nested functions are static
3398         also.
3399
3400 2004-11-03  Andrew MacLeod  <amacleod@redhat.com>
3401
3402         PR tree-optimization/18270
3403         * tree-outof-ssa.c (analyze_edges_for_bb): If a block has incoming
3404         abnormal edges, commit all pending stmts on incoming edges.
3405
3406 2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3407
3408         * tree-ssa-loop-ivopts.c (get_address_cost): Offset zero does not
3409         cause extra costs.  Generate canonical RTL.
3410
3411 2004-11-02  Daniel Berlin  <dberlin@dberlin.org>
3412
3413         * lambda-code.c (lambda_compute_auxillary_space): Update comments.
3414         (lambda_compute_target_space). Ditto.
3415         * lambda.h (lambda_trans_matrix): Ditto.
3416         (lambda_linear_expression): Ditto.
3417         (lambda_body_vector): Ditto.
3418         (lambda_loopnest): Ditto.
3419         * tree-loop-linear.c (gather_interchange_stats): Combine tests,
3420         update comments, and remove pointless addition of 0.
3421         (linear_transform_loops): Update comments.
3422
3423 2004-11-03  Sebastian Pop  <pop@cri.ensmp.fr>
3424
3425         * tree.c (tree_fold_gcd): Use FLOOR_MOD_EXPR instead of
3426         CEIL_MOD_EXPR.
3427
3428 2004-11-03 Jeff Law  <law@redhat.com>
3429
3430         * predict.c (struct block_info_def): Kill "tovisit" field.
3431         (propagate_freq): Accept new "tovisit" parameter.  Change
3432         read/write access methods for "tovisit" to check the "tovisit"
3433         bitmap instead of a bit in block_info_def.
3434         (estimate_loops_at_level): Allocate "tovisit" bitmap.  Pass
3435         it to propagate_freq.
3436
3437         * stmt.c (expand_case): Speed up code to detect duplicate case
3438         label targets and count unique case label targets.
3439
3440 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
3441
3442         * cppdefault.c, cppdefault.h, timevar.h: Update copyright.
3443
3444 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
3445
3446         * bitmap.h, dbxout.c, tree-mudflap.c: Fix comment formatting.
3447
3448 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
3449
3450         * tree-cfg.c (find_taken_edge): Abort if we are given a
3451         statement that is neither COND_EXPR nor SWITCH_EXPR.
3452
3453 2004-11-02  Zdenek Dvorak  <dvorakz@suse.cz>
3454
3455         * fold-const.c (fold): Reassociate also (x - mult) + mult and
3456         (mult - x) + mult.  Cast operands of expression after applying
3457         distributive law to the correct types.  Apply distributive law
3458         to a * c - b * c for all non-float types.
3459