OSDN Git Service

PR target/19065.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2
3         PR target/19065.
4         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
5         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7         * config/cris/cris.md: Tweak comments referring to Q.
8         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
9         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
13         Insert spaces in constraints to align alternatives vertically for
14         readability.
15         ("cmphi"): Ditto.  Add separate alternative for operand 0 "Q>",
16         operand 1: "M".
17
18 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19
20         PR rtl-optimization/17728
21         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
22         operand 0 from general_operand to move_dest_operand.
23
24 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25
26         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
27         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
28         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
29         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
30
31 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
32
33         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
34         * configure: Regenerate.
35         * libada-mk.in: Remove CC; rename
36         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
37
38 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
39
40         PR tree-opt/20188
41         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
42         for the lhs, also walk over the tree.  Likewise for rhs.
43
44 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
45
46         * tree-ssa-dom.c (simple_iv_increment_p): New function.
47         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
48         Do not propagate value of iv before increment over the increment.
49
50 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
51
52         * c-parser.c: New file.
53         * c-parse.in: Remove.
54         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
55         Remove.
56         (c-parser.o): Add dependencies.
57         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
58         maintainer-clean, TAGS): Update.
59         * c-config-lang.in (gtfiles): Update.
60         * gengtype-lex.l: Don't handle "@@".
61         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
62         objc_build_synchronized, objc_begin_try_stmt,
63         objc_begin_catch_clause, objc_finish_catch_clause,
64         objc_build_finally_clause, objc_finish_try_stmt): New.
65         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
66         type_seen_p.
67         (c_parse_init): Update comment.
68         * c-decl.c (c_init_decl_processing): Update comment.
69         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
70         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
71         new c_declspecs members.
72
73 2005-02-25  Julian Brown  <julian@codesourcery.com>
74
75         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
76         from being used for symbols with vague linkage when
77         HAVE_GAS_COMDAT_GROUP is true.
78
79 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
80
81         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
82
83 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
84
85         PR target/19930
86         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
87         (LIBGCC2_HAS_DF_MODE): New.
88         (LIBGCC2_HAS_XF_MODE): New.
89         (LIBGCC2_HAS_TF_MODE): New.
90         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
91         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
92         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
93         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
94         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
95         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
96         and add _fixtfdi, _fixunstfdi, _floatditf
97         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
98         L_fixunstfdi, L_floatditf.
99         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
100         (LIBGCC2_HAS_TF_MODE): Define.
101
102 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
103
104         PR tree-optimization/20204
105         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
106         REWRITE_THIS_STMT markers on PHI nodes.
107         (rewrite_initialize_block): Likewise.
108
109 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
110
111         * version.c (version_string): Update to 4.1.
112
113 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
114
115         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
116         Clarify that the alternative way doesn't work in GNU C++.
117
118 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
119
120         PR tree-optimization/19937
121         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
122         to the type of the induction variable.
123
124 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
125
126         PR rtl-optimization/20117
127         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
128         the block including noncopyable insn.
129
130 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
131
132         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
133         calls to find_reg_note.
134
135 2005-02-24  Richard Henderson  <rth@redhat.com>
136
137         PR tree-opt/20127
138         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
139         the type.
140
141 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
142
143         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
144         vector types if to use base reg for misaligned non-word ld/std.
145
146 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
147
148         PR target/14619
149         * config/cris/cris.c (cris_target_asm_function_prologue): Create
150         dwarf2 label manually and put it after, not before the prologue.
151
152 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
153
154         PR target/19019
155         * reload.c (operands_match_p): Only increment register number for
156         SCALAR_INT_MODE_P modes in multiple hard registers.
157
158         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
159         Fix formatting.
160
161 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
162
163         * ChangeLog.5: Fix log message typo(s).
164         * ChangeLog.7: Likewise.
165         * ChangeLog.tree-ssa: Likewise.
166         * cfgexpand.c: Fix comment typo(s).
167         * conflict.c: Likewise.
168         * defaults.h: Likewise.
169         * dwarf2out.c: Likewise.
170         * gcse.c: Likewise.
171         * ggc-page.c: Likewise.
172         * tree-eh.c: Likewise.
173         * tree-ssa-dom.c: Likewise.
174
175 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
176
177         PR target/19019
178         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
179         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
180         if SHARED is defined.
181
182         PR target/20196
183         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
184         allow splitting only if operands 0 and 3 don't overlap.
185
186 2005-02-24  Richard Henderson  <rth@redhat.com>
187
188         PR middle-end/19953
189         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
190         (fold_builtin_1): Call them.
191         * fold-const.c (fold_complex_mult_parts): Split out from ...
192         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
193         (fold_complex_div_parts, fold_complex_div): New.
194         (fold): Use them.
195         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
196
197 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
198
199         * tree-ssa-ccp.c (visit_assignment): Verify that result of
200         VIEW_CONVERT_EXPR is_gimple_min_invariant.
201
202         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
203         (print_node): Likewise.
204         Print TYPE_SIZES_GIMPLIFIED.
205
206 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
207
208         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
209         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
210         operands as commutative in constraints.
211
212 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
213
214         * tree-into-ssa.c: Re-organize internal functions.
215
216 2005-02-24  Richard Henderson  <rth@redhat.com>
217
218         PR middle-end/18902
219         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
220         for c99.
221         * common.opt (fcx-limited-range): New.
222         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
223         * toplev.c (flag_complex_method): Initialize to 1.
224         (process_options): Set flag_complex_method to 0 if
225         flag_cx_limited_range.
226         * doc/invoke.texi (-fcx-limited-range): New.
227
228 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
229
230         * cse.c (delete_trivially_dead_insns): Speed up by using
231         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
232         prev_real_insn.
233
234 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
235
236         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
237         functions when -mid-shared-library is being used.
238
239 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
240
241         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
242         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
243         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
244         * system.h: Poison LINK_LIBGCC_SPECIAL.
245
246 2005-02-23  James E Wilson  <wilson@specifixinc.com>
247
248         * gengtype.c (note_insn_name): Make 1 element larger.
249
250 2005-02-23  Roger Sayle  <roger@eyesopen.com>
251
252         PR target/20018
253         PR rtl-optimization/20097
254         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
255         BImode SUBREGs of SImode registers which confuse the ia64 backend.
256
257 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
258
259         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
260         * t-aix52 (SHLIB_INSTALL): Same.
261
262 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
263
264         * genpreds.c: Update copyright.
265
266 2005-02-23  Michael Beach  <michaelb@ieee.org>
267
268         PR target/20159
269         * config/sparc/t-elf (startup files): Assemble with CPP.
270
271 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
272
273         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
274         (write_predicate_expr): Likewise.
275
276 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
277
278         PR tree-optimization/20100
279         PR tree-optimization/20115
280         * tree-optimize.c (init_tree_optimization_passes): Remove
281         pass_maybe_create_global_var.
282         * tree-pass.h (pass_maybe_create_global_var): Remove.
283         * tree-ssa-alias.c (aliases_computed_p): Declare.
284         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
285         (count_calls_and_maybe_create_global_var): Remove.
286         (pass_maybe_create_global_var): Remove.
287         (init_alias_info): Do not declare aliases_computed_p.
288         (maybe_create_global_var): If the function contains no
289         call-clobbered variables and a mix of pure/const and regular
290         function calls, create .GLOBAL_VAR.
291         Mark all call-clobbered variables for renaming.
292         (merge_pointed_to_info): Update comment.
293         (add_pointed_to_var): Likewise.
294         (is_escape_site): Likewise.
295         Accept struct alias_info * instead of size_t *.
296         Update all users.
297         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
298         as necessary.
299         * tree-ssa-operands.c (get_call_expr_operands): If
300         ALIASES_COMPUTED_P is false, do not add call-clobbering
301         operands.
302         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
303         (delete_tree_ssa): Likewise.
304
305 2005-02-22  James E Wilson  <wilson@specifixinc.com>
306
307         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
308         (do_compile): Do call it here.
309
310 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
311
312         PR rtl-optimization/20017.
313         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
314         rest_of_handle_cse2, rest_of_handle_gcse): Call
315         delete_dead_jumptables immediately before calling cleanup_cfg.
316
317 2005-02-22  Devang Patel  <dpatel@apple.com>
318
319         PR 19952
320         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
321         all labels
322         
323 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
324
325         * config/rs6000/aix.h (WINT_TYPE): Define.
326
327 2005-02-22  Stan Shebs  <shebs@apple.com>
328
329         * config/rs6000/rs6000.c (rs6000_override_options): Default to
330         natural alignment for 64-bit Darwin.
331         (rs6000_parse_alignment_option): Warn about uses of -malign-power
332         on 64-bit Darwin.
333         * doc/invoke.texi: Document this.
334
335 2005-02-22  DJ Delorie  <dj@redhat.com>
336
337         * c-common.c (c_common_type_for_mode): Pass the mode's precision
338         to make_[un]signed_type, not the mode itself.
339
340 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
341
342         * cfg.c (cached_make_edge): Call make_edge if edge cache is
343         not available.  Use tail calls wherever possible.
344         (make_edge): Call unchecked_make_edge to create an edge.
345
346         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
347         (coalesce_ssa_name): Don't check for
348         SSANORM_USE_COALESCE_LIST.
349         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
350
351 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
352
353         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
354         (rewrite_into_ssa): ... here.
355
356 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
357
358         PR tree-optimization/19786
359         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
360         tag to another's may-alias bitmap when adding to the other's list.
361
362 2005-02-21  DJ Delorie  <dj@redhat.com>
363
364         * tree-ssa-loop-ivopts.c (computation_cost): Start register
365         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
366         registers in unsupported ways.
367         * expmed.c (init_expmed): Likewise.
368         
369 2005-02-21  Stan Cox  <scox@redhat.com>
370
371         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
372
373 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
374
375         * tree-cfg.c (fold_cond_expr_cond): New.
376         (make_edges): Call fold_cond_expr_cond.
377         (find_taken_edge): Accept nothing but INTEGER_CST.
378         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
379         and 1.
380         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
381
382         * flow.c (delete_dead_jumptables): Speed up by scanning insns
383         that do not belong to any basic block.
384
385 2005-02-21  Jeff Law  <law@redhat.com>
386
387         * cfganal.c (find_unreachable_blocks): Manually CSE load of
388         e->dest.
389
390 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
391
392         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
393         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
394         Adjust their definitions.
395         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
396         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
397
398         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
399         genautomata.c, langhooks.c, langhooks.h, system.h,
400         config/arm/lib1funcs.asm: Update copyright.
401
402 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
403
404         * dbxout.c (dbxout_function_end): Emit Lscope label always.
405
406 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
407
408         PR bootstrap/13770
409         * doc/install.texi: Document --with-gc.
410
411 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
412
413         * simplify-rtx.c (simplify_unary_operation): Add a missing
414         "break" statement.
415
416 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
417
418         PR tree-optimization/18663
419         * tree-ssa-dom.c (extract_range_from_cond): Return 0
420         if the type has variable bounds.
421
422 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
423
424         * gcse.c: Remove an obsolete comment.
425
426         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
427
428 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
429
430         * doc/extend.texi (Function Attributes) <Attribute const>: The
431         attribute "pure" is below this text, not above.
432
433 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
434
435         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
436         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
437         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
438
439 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
440
441         PR 18785
442         * langhooks.h (struct lang_hooks): Add to_target_charset.
443         * langhooks.c (lhd_to_target_charset): New function.
444         * langhooks-def.h: Declare lhd_to_target_charset.
445         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
446         (LANG_HOOKS_INITIALIZER): Update.
447         * c-common.c (c_common_to_target_charset): New function.
448         * c-common.h: Declare it.
449         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
450         c_common_to_target_charset.
451
452         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
453         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
454         Delete definitions.
455         * system.h: Poison them.
456         * doc/tm.texi: Don't discuss them.
457         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
458         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
459         (pp_c_char): Do not attempt to generate letter escapes for
460         newline, tab, etc.
461         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
462         * config/mips/mips.c (mips_output_ascii): Likewise.
463
464 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
465
466         PR tree-optimization/19951
467         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
468         is abnormal.
469
470 2005-02-19  Steven Bosscher  <stevenb@suse.de>
471
472         PR middle-end/19698
473         * function.h (struct function): New field `max_loop_depth'.
474         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
475         (flow_loops_find): Reset the max loop depth count before finding loops.
476         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
477         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
478         (calculate_global_regs_live): Make sure the loop will terminate
479         when the initial sets are not empty.
480
481 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
482
483         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
484         object inside.
485         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
486
487 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
488
489         PR other/19525
490         * doc/invoke.texi: Remove documentation of %M spec.
491         * gcc.c: Likewise.
492         (init_spec): Remove %M suffix from -lgcc_s.
493         (do_spec_1): Remove 'M' case.
494         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
495         to put shared libraries in the multilib directory.  Remove the
496         shlib_so_soname substitution variable.  Don't add a multilib encoding
497         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
498         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
499         SHLIB_INSTALL as well as SHLIB_LINK.
500         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
501         (SHLIB_NAME): Delete.
502         (SHLIB_DIR): New macro.
503         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
504         (SHLIB_INSTALL): Adjust accordingly.
505         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
506         * config/t-slibgcc-sld: Likewise.
507         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
508         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
509         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
510         in $(SHLIB_DIR).
511         (SHLIBUNWIND_INSTALL): Adjust accordingly.
512         * config/i386/t-nwld (SHLIB_SONAME): Delete.
513         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
514         Use @shlib_base_name@ instead of @shlib_so_name@.
515         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
516         and @shlib_base_name@.so in @multilib_dir@.
517         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
518         to the install path.
519         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
520         (SHLIB_LINK): Remove previous workaround.
521         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
522         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
523         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
524         the install path.
525         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
526         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
527         (SHLIB_INSTALL): Adjust accordingly.
528         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
529         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
530         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
531         config/t-slibgcc-elf-ver.
532
533 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
534             Jakub Jelinek  <jakub@redhat.com>
535
536         PR tree-optimization/19828
537         * tree-ssa-loop-im.c: Add a TODO comment.
538         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
539         without side-effects.
540
541 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
542
543         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
544         call fold_convert.
545
546 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
547
548         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
549         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
550         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
551         functions.
552         (ia64_reorg): Delete fixup_errata call.
553         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
554         (TARGET_SWITCHES): Delete -mb-step entry.
555
556 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
557
558         PR c/20043
559         * c-typeck.c (composite_type): Handle quals in transparent unions.
560         (type_lists_compatible_p): Likewise.
561
562 2005-02-18  Stan Shebs  <shebs@apple.com>
563
564         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
565         expressions in the .literal8 section.
566
567 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
568
569         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
570
571 2005-02-18  Roger Sayle  <roger@eyesopen.com>
572
573         * fold-const.c (constant_boolean_node): Always create values of the
574         specified type, don't bother calling truthvalue_conversion.
575
576 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
577
578         * except.c (output_function_exception_table): Call
579         assemble_external_libcall (eh_personality_libfunc).
580
581 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
582
583         PR target/19886
584         * config/ia64/ia64.h (struct machine_function): Add state_num.
585         * config/ia64/ia64.c (process_epilogue,
586         process_for_unwind_directive): Use new unwind state numbers each
587         time rather than state 1.
588
589 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
590
591         PR target/20054
592         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
593         before the "*llgt_didi" pattern.
594
595 2005-02-18  Jason Merrill  <jason@redhat.com>
596
597         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
598
599 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
600
601         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
602         (div0): Use it in place of ARM_FUNC_ALIAS.
603         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
604
605 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
606
607         PR middle-end/20030
608         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
609         access, the lower bound of the array type if it exists.
610
611 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
612
613         PR c++/20008
614         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
615         cases that are out-of-range for the index type.
616
617 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
618
619         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
620         (estimate_case_costs): Don't call convert.
621         * expmed.c (expand_shift): Likewise.
622         (make_tree): Call fold_convert instead of convert.
623
624 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
625
626         PR c++/19813
627         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
628         that ref to be marked MEM_READONLY_P doesn't have base that needs
629         constructing.
630
631 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
632
633         * genautomata.c (output_get_cpu_unit_code_func,
634         output_cpu_unit_reservation_p): Don't generate old-style function
635         definitions.
636
637 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
638
639         PR c++/20023
640         PR tree-optimization/20009
641         * convert.c (convert_to_integer): Revert 2005-02-16 change.
642
643         PR tree-optimization/18947
644         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
645         inline, remove all nodes that are inlined into the extern inline
646         being redefined.
647
648 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
649
650         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
651         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
652         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
653         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
654         Update copyright.
655
656 2005-02-17  Roger Sayle  <roger@eyesopen.com>
657
658         PR tree-optimization/19917
659         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
660         to be potentially trapping.
661
662 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
663
664         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
665
666 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
667
668         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
669         tem becomes a local variable which is set to the value of the
670         back end defined INITIAL_FRAME_ADDRESS macro.
671         (expand_builtin_frame_address): Omit the base parameter to
672         expand_builtin_return_addr.
673         (expand_builtin_profile_func): Likewise.
674         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
675         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
676         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
677
678 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
679
680         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
681         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
682         * config/frv/frv.c (frv_function_epilogue): Likewise.
683
684 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
685
686         * lambda-code (perfect_nestify): Remove mark/unmark
687         for rewriting hack.
688         * tree-loop-linear.c (linear_transform_loops): Add
689         rewrite_into_ssa call so that ssa is correct for
690         rewriting into loop closed.
691
692 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
693
694         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
695         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
696         BITMAP_FREE.
697         * bt-load.c (btr_def_live_range, combine_btr_defs,
698         migrate_btr_def, migrate_btr_defs): Likewise.
699         * cfgcleanup.c (thread_jump): Likewise.
700         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
701         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
702         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
703         df_rd_local_compute, df_reg_info_compute): Likewise.
704         * dominance.c (init_dom_info, free_dom_info): Likewise.
705         * flow.c (init_propagate_block_info,
706         free_propagate_block_info): Likewise.
707         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
708         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
709         modify_reg_pav): Likewise.
710         * loop-invariant.c (find_defs, find_invariant_insn,
711         find_invariants, free_inv_motion_data): Likewise.
712         * predict.c (tree_predict_by_opcode,
713         estimate_bb_frequencies): Likewise.
714         * stmt.c (expand_case): Likewise.
715         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
716         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
717         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
718         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
719         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
720         rewrite_ssa_into_ssa): Likewise.
721         * tree-optimize.c (tree_rest_of_compilation): Likewise.
722         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
723         analyze_edges_for_bb, perform_edge_inserts): Likewise.
724         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
725         * tree-sra.c (tree_sra): Likewise.
726         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
727         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
728         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
729         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
730         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
731         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
732         Likewise.
733         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
734         calculate_live_on_entry, calculate_live_on_exit,
735         build_tree_conflict_graph): Likewise.
736         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
737         record_important_candidates, set_use_iv_cost, find_depends,
738         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
739         tree_ssa_iv_optimize_finalize): Likewise.
740         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
741         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
742         tree_duplicate_loop_to_header_edge): Likewise.
743         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
744         * tree-ssa.c (verify_flow_insensitive_alias_info,
745         verify_name_tags, verify_ssa, init_tree_ssa,
746         delete_tree_ssa): Likewise.
747         * tree-ssanames.c (marked_ssa_names, init_ssanames,
748         fini_ssanames): Likewise.
749         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
750
751 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
752
753         * config/rs6000/t-rtems: Completely reworked.
754
755 2005-02-17  Ira Rosen  <irar@il.ibm.com>
756
757         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
758
759 2005-02-17  Ira Rosen  <irar@il.ibm.com>
760
761         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
762         POINTER_TYPE_P when checking that type is a pointer.
763         (vect_get_memtag): Remove.
764         (vect_address_analysis): Use POINTER_TYPE_P. Call
765         vect_object_analysis with dummy parameter for memtag.
766         (vect_object_analysis): Extract memtag (functionality that
767         used to be in vect_get_memtag and moved here). Fix printings.
768         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
769         with correct parameters. Remove call to vect_get_memtag.
770
771 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
772
773         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
774         (tree-vectorizer.o): Added missing dependencies.
775
776         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
777         decleration.
778         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
779         declaration in tree-vectorizer.c, now has an extern declaration in
780         tree-vectorizer.h).
781         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
782         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
783         get_vectype_for_scalar_type, vect_is_simple_use,
784         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
785         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
786         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
787         vectorizable_store, vectorizable_operation, vectorizable_assignment,
788         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
789         find_loop_location): Likewise.
790
791         * tree-vectorizer.c (langhooks.h): #include removed.
792         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
793         moved to tree-vectorized.h.
794         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
795         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
796         get_vectype_for_scalar_type, vect_is_simple_use,
797         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
798         vect_supportable_dr_alignment, new_loop_vec_info,
799         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
800         vect_set_verbosity_level, find_loop_location): Likewise.
801
802         (vect_analyze_loop): Function externalized. Declaration moved to
803         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
804         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
805         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
806         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
807         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
808         vect_enhance_data_refs_alignment, vect_analyze_operations,
809         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
810         vect_stmt_relevant_p, vect_get_loop_niters,
811         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
812         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
813         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
814         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
815         vect_get_memtag): Likewise.
816
817         (vectorizable_load): Function externalized. Declaration moved to
818         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
819         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
820         vect_transform_loop): Likewise.
821         (vect_transform_stmt): Moved to tree-vect-transform.c.
822         (vect_align_data_ref, vect_create_destination_var,
823         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
824         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
825         vect_get_vec_def_for_operand, vect_init_vector,
826         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
827         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
828         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
829         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
830         vect_do_peeling_for_loop_bound): Likewise.
831
832         * tree-vect-analyze.c: New file.
833         * tree-vect-transform.c: New file.
834
835 2005-02-17  Jason Merrill  <jason@redhat.com>
836
837         PR mudflap/19319, c++/19317
838         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
839         slot explicit.
840
841 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
842
843         * doc/install.texi (Specific): Update link for Darwin-specific
844         tool binary site.
845
846 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
847
848         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
849         constant_boolean_node.
850
851 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
852
853         PR target/19019
854         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
855         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
856
857 2005-02-16  Richard Henderson  <rth@redhat.com>
858
859         PR 19920
860         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
861         with W_TYPE_SIZE.
862         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
863         replace uses with Wtype_MAXp1_F.
864         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
865         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
866         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
867         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
868         and HAVE_TFMODE as appropriate.
869         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
870         (__floatdisf): Likewise.
871         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
872         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
873         (Wtype_MAXp1_F): New.
874         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
875         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
876
877 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
878
879         * PR target/19162
880         * arm.c (arm_apply_result_size): New function.
881         * arm.h (APPLY_RESULT_SIZE): Define.
882         * arm-protos.h (arm_apply_result_size): Add prototype.
883         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
884         (movxf): New expand.
885         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
886         (call_value_symbol): Remove predicate for operand 0.
887         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
888         (untyped_call): Rework to correclty return values for any type.
889         (untyped_return): New expand.
890         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
891
892 2005-02-16  Stan Shebs  <shebs@apple.com>
893
894         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
895         * config/rs6000/t-darwin8: New, for 64-bit multilib.
896
897 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
898
899         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
900         configure settings on Solaris 7 and later.
901
902 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
903
904         PR tree-optimization/19865
905         * tree-optimize.c (init_tree_optimization_passes): Run
906         pass_may_alias after pass_sra.
907
908 2005-02-16  Richard Henderson  <rth@redhat.com>
909             Stuart Hastings  <stuart@apple.com>
910
911         PR debug/19521
912         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
913         Do nothing if debug info suppressed for this function.
914         (dbxout_begin_function): Early exit if debug info suppressed for
915         this function.
916
917 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
918
919         PR target/20007
920         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
921         find_basic_blocks.
922         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
923
924         PR tree-optimization/19967
925         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
926         expand_builtin_strchr, expand_builtin_strrchr): Take a new
927         argument TYPE.  Adjust calls to fold_builtin_XXX.
928         (expand_builtin, fold_builtin_1): Adjust calls to
929         expand_builtin_XXX.
930         (fold_builtin_strchr, fold_builtin_strpbrk,
931         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
932         result to a requested type TYPE.
933
934 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
935
936         PR middle-end/19857
937         * fold-const.c (fold): Don't optimize (T)(x & cst) to
938         (T)x & (T)cst if (T)cst overflows.
939         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
940         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
941
942 2005-02-15  Jeff Law  <law@redhat.com>
943
944         * gcse.c (blocks_with_calls): New bitmap.
945         (alloc_gcse_mem): Allocate it.
946         (free_gcse_mem): Free it.
947         (clear_modifY_mem_tables): Clear it.
948         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
949         when we encounter CALL_INSNs.
950         (compute_transp, case MEM): Handle blocks with calls separate
951         from blocks without calls.  Use bitmap iterators rather than
952         FOR_EACH_BB.
953
954 2005-02-15  Peter O'Gorman  <peter@pogma.com>
955
956         PR bootstrap/18810
957         * mklibgcc.in (vis_hide): Use a temporary object file, not
958         -o /dev/null.
959
960 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
961
962         PR target/19924
963         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
964         access optimization.
965
966 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
967             Alan Modra  <amodra@bigpond.net.au>
968
969         PR target/19019
970         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
971         (_xlqsub): Rename to __gcc_qsub.
972         (_xlqmul): Rename to __gcc_qmul.
973         (_xlqdiv): Rename to __gcc_qdiv.
974         Provide versioned symbol aliases with old names.
975         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
976         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
977         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
978         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
979         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
980
981 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
982
983         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
984         Fold ~(A - 1) and ~(A + -1) to -A.
985
986 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
987
988         PR pch/14940
989         PR target/19300
990         * config/host-linux.c (linux_gt_pch_use_address): Copy from
991         config/pa/pa-host.c:pa_gt_pch_use_address.
992
993 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
994
995         * tree-vn.c (get_value_handle): Make sure that given an
996         is_gimple_min_invariant expression, we always return it.
997
998 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
999
1000         * passes.c (rest_of_handle_gcse): Fix a comment.
1001
1002 2005-02-15  Jeff Law  <law@redhat.com>
1003
1004         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1005         bitmap.
1006         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1007         (canon_list_insert, record_last_mem_set_info): Similarly.
1008         (clear_modify_mem_tables): Similarly.
1009
1010 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1013         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1014         config/mips/mips.md, config/rs6000/aix.h,
1015         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1016
1017 2005-02-15  Richard Henderson  <rth@redhat.com>
1018
1019         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1020         call to be best_edge.
1021
1022 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1023
1024         * basic-block.h: Adjust the prototype for find_basic_blocks.
1025         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1026         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1027         find_basic_blocks.
1028
1029         * flow.c (recompute_reg_usage): Remove all arguments.
1030         * passes.c (rest_of_compilation): Adjust the call to
1031         recompute_reg_usage.
1032         * rtl.h: Adjust the prototype for recompute_reg_usage.
1033
1034 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1035
1036         * tree-dump.c (dump_files): Update to reflect new member
1037         of dump_file_info.
1038         (dump_register): Add new argument.
1039         Set glob name.
1040         (dump_switch_p_1): Check against glob name if doglob was passed.
1041         (dump_switch_p): Check against regular first, then glob if
1042         we didn't have any hits on the dump name.
1043         * tree-optimize.c (register_one_dump_file):
1044         Pass in glob name as well.
1045         * tree-pass.h (struct dump_file_info): Add glob
1046         member.
1047
1048 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1049
1050         PR preprocessor/16323
1051         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1052
1053 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1054
1055         PR target/19019
1056         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1057         (trunctfdf2_internal1): New.
1058         (trunctfdf2_internal2): Renamed from trunctfdf2.
1059
1060 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1061
1062         PR tree-optimization/19853
1063         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1064
1065 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1066
1067         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1068         delete_dead_jumptables and cleanup_cfg.
1069
1070 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1071
1072         * reload.c (find_reloads): Swap address_reloaded flags when
1073         swapping commutative operands.
1074
1075 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1076
1077         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1078         Use standard_iv_increment_position for computing the bsi position
1079         for create_iv.
1080         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1081         the bsi position.
1082
1083 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1084
1085         PR target/17428
1086         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1087         life range of hard registers.
1088         * value-prof.c (insn_prefetch_values_to_profile): Only
1089         scan normal insns.
1090
1091         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1092         profile in libcalls.
1093
1094 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1095
1096         * bitmap.h (bitmap_and_compl_into): Return bool.
1097         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1098
1099 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1100
1101         PR tree-optimization/19944
1102         * fold-const.c (fold): Re-add ABS_EXPR folding.
1103
1104 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1105
1106         PR target/19019
1107         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1108         {TARGET,MASK}_XL_COMPAT.
1109         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1110         MASK_XL_COMPAT.
1111         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1112         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1113         TARGET_XL_COMPAT.
1114         (rs6000_arg_partial_bytes): Same.
1115         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1116         and XL compatibility enabled.
1117         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1118         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1119         test to final condition.
1120         (cmptf_internal2): New.
1121         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1122         xl-compat.  Add TFmode information to description.
1123
1124 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1125
1126         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1127
1128 2005-02-13  Jason Merrill  <jason@redhat.com>
1129
1130         PR c++/16405
1131         * fold-const.c (fold_indirect_ref_1): Split out from...
1132         (build_fold_indirect_ref): Here.
1133         (fold_indirect_ref): New fn.
1134         * tree.h: Declare it.
1135         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1136         (gimplify_modify_expr_rhs): Likewise.
1137         (gimplify_expr): Likewise.
1138
1139 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1140
1141         PR tree-optimization/14303
1142         PR tree-optimization/15784
1143         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1144         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1145         ABS_EXPR<x> != 0 to x != 0.
1146
1147 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1148
1149         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1150         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1151         spelling conventions.
1152
1153         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1154         delete_trivially_dead_insns too many times.
1155
1156         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1157         tem and tem2.
1158
1159 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1160
1161         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1162         (vect_is_simple_iv_evolution): Remove redundant parameter
1163         and step check.
1164         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1165         without last parameter.
1166         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1167         Return pointer step. Call vect_is_simple_iv_evolution without
1168         last parameter. Check only that the step is multiple of size
1169         type. Remove stmt_vinfo updates.
1170         (vect_get_memtag_and_dr): Remove.
1171         (vect_get_memtag): New function.
1172         (vect_address_analysis): New function.
1173         (vect_object_analysis): New function.
1174         (vect_analyze_data_refs): Call vect_object_analysis and
1175         vect_get_memtag. Update stmt_vinfo fields.
1176
1177 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1178
1179         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1180         exist and are objects. Remove checks for pointer.
1181         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1182         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1183         (vect_create_data_ref_ptr): Likewise.
1184         (vect_base_addr_differ_p): New function.
1185         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1186         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1187         Don't set the DR_BASE_NAME field of data-ref.
1188         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1189
1190 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1191
1192         * optabs.h (enum optab_index): Add new OTI_ldexp.
1193         (ldexp_optab): Define corresponding macro.
1194         * optabs.c (init_optabs): Initialize ldexp_optab.
1195         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1196         patterns.
1197         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1198         using ldexp_optab.
1199         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1200         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1201
1202         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1203         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1204         intrinsics.
1205
1206 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1207
1208         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1209         to base_address.
1210         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1211         stmt_vec_info.
1212         (vect_get_base_and_offset): Always return an address.
1213         (vect_create_addr_base_for_vector_ref): Remove treatment for
1214         different data reference types.
1215         (vect_compute_data_ref_alignment): Rename base to base_address in
1216         stmt_vec_info. Get the object in order to force its alignment.
1217         (vect_get_memtag_and_dr): Rename base to base_address in
1218         stmt_vec_info. Extract the object for memtag analysis.
1219
1220 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1221
1222         PR regression/19898.
1223         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1224         changes cc_status, use apply modified_in_p to part of cc_status
1225         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1226         body.
1227
1228 2005-02-11  Richard Henderson  <rth@redhat.com>
1229
1230         * tree-complex.c (expand_complex_libcall): New.
1231         (expand_complex_multiplication): Use it for c99 compliance.
1232         (expand_complex_division): Likewise.
1233         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1234         (fold): Call them.
1235         * builtins.c (built_in_names): Remove const.
1236         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1237         builtins.
1238         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1239         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1240         (built_in_names): Remove const.
1241         * c-common.c (c_common_type_for_mode): Handle complex modes.
1242         * flags.h, toplev.c (flag_complex_method): Rename from
1243         flag_complex_divide_method.
1244         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1245         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1246         * libgcc2.h: Declare them.
1247         * libgcc-std.ver: Export them.
1248         * mklibgcc.in (lib2funcs): Build them.
1249
1250 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1251
1252         PR tree-optimization/19876
1253         Partially revert my change from 2005-01-14
1254         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1255         (compute_antic): ...and remove the loop here.
1256
1257 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1258
1259         PR middle-end/19858
1260         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1261         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1262
1263         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1264         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1265
1266 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1267
1268         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1269         offsets for the big-endian 32-bit case.
1270
1271 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1272
1273         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1274
1275 2005-02-11  Dale Johannesen  <dalej@apple.com>
1276
1277         * cselib.c (cselib_process_insn):  Clear out regs where
1278         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1279         * reload.c (find_equiv_reg): Ditto.
1280
1281 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1282
1283         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1284         with no elements.
1285
1286         * tree.c (build_function_type_list): Work correctly if there are
1287         no arguments.
1288
1289 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1290
1291         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1292         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1293         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1294         TARGET_ZARCH instead of TARGET_64BIT.
1295
1296 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1297
1298         * config/rs6000/t-rtems:
1299         (MULTILIB_OPTIONS): Remove mcpu=602.
1300         (MUTLILIB_DIRNAMES): Remove m602.
1301         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1302         Let mcpu=602 match mcpu=603.
1303         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1304
1305 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1306
1307         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1308         signal trampolines.
1309
1310 2005-02-10  David Daney  <ddaney@avtrex.com>
1311
1312         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1313         * config/i386/linux-unwind.h: Likewise.
1314         * config/ia64/linux-unwind.h: Likewise.
1315         * config/mips/linux-unwind.h: Likewise.
1316         * config/pa/linux-unwind.h: Likewise.
1317         * config/rs6000/linux-unwind.h: Likewise.
1318         * config/s390/linux-unwind.h: Likewise.
1319         * config/sh/linux-unwind.h: Likewise.
1320         * config/sparc/linux-unwind.h: Likewise.
1321
1322 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1323
1324         PR tree-optimization/17549
1325         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1326         TER to replace a DEF with its expression if the DEF and the
1327         rhs of the expression we replace into have the same root
1328         variable.
1329
1330 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1331
1332         * config/mips/mips.md: Fix the placement of the match_scratch in the
1333         lea64 peephole2.
1334
1335 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1336
1337         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1338         Fix comment typos.
1339
1340 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1341
1342         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1343         (strip_offset): Handle addresses.
1344         (add_address_candidates): Use strip_offset.
1345         (difference_cost): Reflect strip_offset change.
1346         (force_var_cost, difference_cost): Strip nops.
1347
1348 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1349
1350         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1351
1352         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1353         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1354         config/cris/cris-protos.h, config/cris/cris.c: Update
1355         copyright.
1356
1357 2005-02-10  Jeff Law  <law@redhat.com>
1358
1359         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1360         (lookup_avail_expr): Similarly.
1361
1362 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1363
1364         * builtins.c (fold_builtin_powi): New function.
1365         (fold_builtin_1): Call it.
1366
1367 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1368
1369         PR documentation/19309
1370         * doc/cpp.texi: The __GNUC__ and related predefined macros
1371         are also defined for the "standalone" cpp.
1372         Some non-GCC compilers may also define __GNUC__.
1373
1374 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1375
1376         PR c/19342
1377         * c-typeck.c (common_type): New routine.  Old common_type renamed
1378         to...
1379         (c_common_type): ...this.
1380         (build_conditional_expr, build_binary_op): Use c_common_type instead
1381         of common_type.
1382
1383 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1384
1385         * doc/md.texi: Replace @samp{length} with @code{length}.
1386
1387 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1388
1389         PR tree-optimization/18687
1390         * tree-flow.h (find_loop_niter): Declare.
1391         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1392         Try using scev even for loops with more than one exit.
1393         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1394         (struct ivopts_data): Added niters field.
1395         (struct nfe_cache_elt): New.
1396         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1397         functions.
1398         (tree_ssa_iv_optimize_init): Initialize niters cache.
1399         (determine_number_of_iterations): Removed.
1400         (find_induction_variables): Do not call determine_number_of_iterations.
1401         Access niters for single exit through niter_for_single_dom_exit.
1402         (add_iv_outer_candidates): Access niters for single exit through
1403         niter_for_single_dom_exit.
1404         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1405         number_of_iterations_cond.
1406         (iv_period): New function.
1407         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1408         (may_replace_final_value): Take data argument.  Use
1409         niter_for_single_dom_exit.
1410         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1411         (rewrite_use_compare): Pass data to may_eliminate_iv.
1412         (rewrite_use_outer): Pass data to may_replace_final_value.
1413         (free_loop_data): Clean up the niters cache.
1414         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1415         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1416         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1417         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1418         (num_ending_zeros): Moved to tree.c.
1419         * tree.h (num_ending_zeros): Declare.
1420         * tree.c (num_ending_zeros): Moved from tree.c.
1421
1422 2005-02-09  Richard Henderson  <rth@redhat.com>
1423
1424         * builtins.c (DEF_BUILTIN): Add COND argument.
1425         * tree.h (DEF_BUILTIN): Likewise.
1426         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1427         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1428         match.
1429         (DEF_BUILTIN_STUB): New.
1430         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1431         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1432         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1433         * c-common.c (DEF_BUILTIN): Add COND argument.
1434         * tree.c (local_define_builtin): New.
1435         (build_common_builtin_nodes): New.
1436
1437 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1438
1439         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1440         floating point expression ignoring the sign of the result.
1441         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1442         (fold) <MULT_EXPR>: Use it to simplify x*x.
1443         * tree.h (fold_strip_sign_ops): Prototype here.
1444         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1445         argument.  Use fold_strip_sign_ops to simplify the first argument.
1446         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1447         first argument when the second argument is an even integer
1448         constant, but only with -funsafe_math_optimizations.
1449         (fold_builtin_1): Update call to fold_builtin_copysign.
1450
1451 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1452
1453         PR middle-end/19583
1454         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1455         just check whether EH_FILTER_FAILURE falls through.
1456
1457 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1458
1459         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1460         insns return to ready list in the next turn.
1461
1462 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1463
1464         PR middle-end/19402
1465         * builtins.def: New __builtin_powi[lf].
1466         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1467         (expand_builtin_powi): New function.
1468         (expand_builtin): Dispatch to expand_builtin_powi.
1469         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1470         * libgcc2.c: Add __builtin_powi[lf] implementation.
1471         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1472         * optabs.h: Add powi_optab.
1473         * optabs.c (init_optabs): Initialize powi_optab.
1474         * doc/extend.texi: Document __builtin_powi[lf].
1475
1476 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1477
1478         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1479         exists.
1480
1481 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1482
1483         PR middle-end/19854
1484         * fold-const.c (try_move_mult_to_index): Remove redundant
1485         type argument.  Create ADDR_EXPR with correct type.
1486         (fold): Update callers of try_move_mult_to_index.  Convert
1487         result to the appropriate type.
1488
1489 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1490
1491         PR target/19597
1492         * config/avr/avr.c (default_rtx_costs): Delete.
1493         (avr_operand_rtx_cost): New function.
1494         (avr_rtx_costs): Completely rewrite.
1495
1496 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1497
1498         PR target/19806
1499         * config/cris/cris.c (in_code): New variable.
1500         (cris_output_addr_const): Now a static function, a wrapper for
1501         output_addr_const.
1502         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1503         case from old cris_output_addr_const.
1504         (cris_asm_output_label_ref): Similar for LABEL_REF.
1505         (cris_output_addr_const_extra): Similar for UNSPEC.
1506         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1507         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1508         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1509         declaration.
1510         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1511         (cris_asm_output_label_ref): Declare.
1512
1513 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1514
1515         PR preprocessor/19801
1516         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1517         filenames that changed when libcpp was moved to the toplevel.
1518
1519 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1520
1521         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1522         zero extensions of BImode operands.  Call lowpart_subreg instead
1523         of gen_lowpart_common and gen_lowpart_SUBREG.
1524
1525 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1526
1527         PR ada/19489
1528         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1529         * configure.ac: Set cc_for_cross_gnattools.
1530         * configure: Regenerate.
1531
1532 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1533
1534         PR target/19803
1535         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1536
1537 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1538
1539         PR debug/19327
1540         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1541         of nested functions.
1542
1543 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1544
1545         * doc/extend.texi: Document deprecated extensions allowing
1546         static floating-point members to have initializers and allowing
1547         floating-point literals in integral constant expressions.
1548
1549 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1550
1551         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1552         config/darwin7.h, config/mips/mips.c,
1553         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1554         Update copyright.
1555
1556         * cse.c: Update comments.
1557
1558 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1559
1560         PR middle-end/19775
1561         * builtins.c (fold_builtin_sqrt): Transform
1562         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1563         pow(x,y*0.5).
1564
1565 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1566             Dorit Naishlos  <dorit@il.ibm.com>
1567
1568         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1569         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1570         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1571         was added.
1572         * tree.h (vect_set_verbosity_level): New extern function declaration
1573         added.
1574         * tree-vectorizer.h (verbosity_levels): New enum type.
1575         * tree-vectorizer.c (vect_debug_stats): Function removed.
1576         (vect_debug_details): Likewise.
1577         (vect_verbosity_level): Global variable was defined and initialized.
1578         (vect_dump): Global variable definition.
1579         (vect_print_dump_info): New function.
1580         (vect_set_dump_settings): New function.
1581         (vect_set_verbosity_level): New function.
1582         (vectorize_loops): Add call to vect_set_dump_settings.
1583
1584         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1585         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1586         (slpeel_tree_peel_loop_to_edge): Likewise.
1587
1588         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1589         appropriate verbosity level instead of call to vect_debug_details
1590         or vect_debug_stats.
1591         (vect_get_base_and_offset):
1592         (vect_create_addr_base_for_vector_ref):
1593         (get_vectype_for_scalar_type):
1594         (vect_create_data_ref_ptr):
1595         (vect_init_vector):
1596         (vect_get_vec_def_for_operand):
1597         (vect_finish_stmt_generation):
1598         (vectorizable_assignment):
1599         (vectorizable_operation):
1600         (vectorizable_store):
1601         (vectorizable_load):
1602         (vect_transform_stmt):
1603         (vect_update_ivs_after_vectorizer):
1604         (vect_do_peeling_for_loop_bound):
1605         (vect_update_inits_of_drs):
1606         (vect_do_peeling_for_alignment):
1607         (vect_transform_loop):
1608         (vect_is_simple_use):
1609         (vect_analyze_operations):
1610         (vect_is_simple_iv_evolution):
1611         (vect_analyze_scalar_cycles):
1612         (vect_analyze_data_ref_dependence):
1613         (vect_analyze_data_ref_dependences):
1614         (vect_compute_data_ref_alignment):
1615         (vect_enhance_data_refs_alignment):
1616         (vect_analyze_data_refs_alignment):
1617         (vect_analyze_data_ref_access):
1618         (vect_analyze_data_ref_accesses):
1619         (vect_analyze_pointer_ref_access):
1620         (vect_get_memtag_and_dr):
1621         (vect_analyze_data_refs):
1622         (vect_mark_relevant):
1623         (vect_stmt_relevant_p):
1624         (vect_mark_stmts_to_be_vectorized):
1625         (vect_can_advance_ivs_p):
1626         (vect_get_loop_niters):
1627         (vect_analyze_loop_form):
1628         (vect_analyze_loop):
1629         (vectorize_loops): Likewise.
1630
1631         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1632         (vect_update_inits_of_drs):
1633         (vect_do_peeling_for_alignment):
1634         (vect_transform_loop):
1635         (vect_analyze_operations):
1636         (vect_analyze_scalar_cycles):
1637         (vect_analyze_data_ref_dependences):
1638         (vect_analyze_data_refs_alignment):
1639         (vect_analyze_data_ref_accesses):
1640         (vect_analyze_data_refs):
1641         (vect_mark_stmts_to_be_vectorized):
1642         (vect_get_loop_niters):
1643         (vect_analyze_loop_form):
1644         (vect_analyze_loop): Likewise.
1645         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1646
1647 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1648
1649         PR bootstrap/19796
1650         Revert:
1651         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1652         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1653         either -ffast-math or -funsafe-math-optimizations is in use.
1654
1655         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1656         * config/mips/irix-csr.c: New file.
1657         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1658         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1659         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1660         executables.
1661
1662 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1663
1664         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1665         redundant, incorrect definitions.
1666
1667         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1668         expand.
1669         ("*tls_indirect_call"): New, reference hard regs directly.
1670         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1671
1672 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1673
1674         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1675         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1676
1677 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1678
1679         PR rtl-optimization/19800
1680         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1681         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1682         gen_lowpart.
1683
1684 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1685
1686         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1687
1688 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1689
1690         PR other/17135
1691         * doc/invoke.texi: Correct documentation of -freorder-functions.
1692
1693 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1694
1695         PR other/14402
1696         * doc/invoke.texi: Don't mention gccbug.
1697
1698 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1699             Andrew Pinski  <pinskia@physics.uc.edu>
1700             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1701
1702         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1703         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1704         into just (zero_extract:SI FOO (const_int 1) BAR).
1705
1706 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1707
1708         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1709         macro locally.  Don't give last revision date.  Use GCC version
1710         number from gcc-common.texi.
1711         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1712         revision date.  Use GCC version number from gcc-common.texi.
1713         Describe being a library as current state rather than as 3.x
1714         history.
1715         * doc/gcc.texi: Remove last update date.
1716         * doc/gccint.texi: Likewise.  Update copyright dates.
1717         * doc/install.texi: Update copyright dates.
1718
1719 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1720
1721         PR other/7549
1722         * doc/invoke.texi: Mention for each option included in -Wall that
1723         it is included in -Wall.
1724         * doc/gcc.texi: Update copyright and last modification date.
1725
1726 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1727
1728         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1729         unnecessary cast to original induction variable increments.
1730
1731 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1732
1733         PR tree-optimization/18219
1734         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1735         in distributed form.
1736
1737 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1738
1739         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1740         Set bitpos and offset later in the function.  Do nothing if the
1741         target is a register and if the bitfield lies completely outside
1742         that register.
1743         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1744         here.  Return an uninitialised register if the source value is stored
1745         in a register and the bitfield lies completely outside that register.
1746
1747 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1748
1749         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1750         not SET_DEST.
1751
1752 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1753
1754         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1755
1756 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1757
1758         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1759         * config/darwin8.h: New.
1760         * config/darwin7.h: Update comment.
1761
1762 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1763             Dorit Naishlos  <dorit@il.ibm.com>
1764
1765         * tree-vectorizer.h (LOC): New type.
1766         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1767         (loop_line_number): New field in struct _loop_vec_info.
1768         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1769
1770         * tree-vectorizer.c (input.h): Included.
1771         (find_loop_location): New function.
1772         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1773         loop line number removed.
1774         (vect_debug_details): Likewise.
1775         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1776
1777         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1778         call to vect_debug_details/stats changed from loop to loop_loc.
1779         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1780         (slpeel_tree_peel_loop_to_edge): Likewise.
1781
1782         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1783         changed from NULL to UNKNOWN_LOC.
1784         (vect_get_base_and_offset):
1785         (vect_create_addr_base_for_vector_ref):
1786         (get_vectype_for_scalar_type):
1787         (vect_create_data_ref_ptr):
1788         (vect_init_vector):
1789         (vect_get_vec_def_for_operand):
1790         (vect_finish_stmt_generation):
1791         (vectorizable_assignment):
1792         (vectorizable_operation):
1793         (vectorizable_store):
1794         (vectorizable_load):
1795         (vect_transform_stmt):
1796         (vect_update_ivs_after_vectorizer):
1797         (vect_do_peeling_for_loop_bound):
1798         (vect_do_peeling_for_alignment):
1799         (vect_transform_loop):
1800         (vect_is_simple_use):
1801         (vect_analyze_operations):
1802         (vect_is_simple_iv_evolution):
1803         (vect_analyze_scalar_cycles):
1804         (vect_analyze_data_ref_dependences):
1805         (vect_compute_data_ref_alignment):
1806         (vect_enhance_data_refs_alignment):
1807         (vect_analyze_data_ref_access):
1808         (vect_analyze_data_ref_accesses):
1809         (vect_analyze_pointer_ref_access):
1810         (vect_get_memtag_and_dr):
1811         (vect_analyze_data_refs):
1812         (vect_mark_relevant):
1813         (vect_stmt_relevant_p):
1814         (vect_mark_stmts_to_be_vectorized):
1815         (vect_can_advance_ivs_p):
1816         (vect_get_loop_niters):
1817         (vect_analyze_loop):
1818         (vectorize_loops): Likewise.
1819
1820         (vectorizable_load): Argument in call to vect_debug_details/stats
1821         changed from loop to LOOP_LOC (loop_vinfo).
1822         (vect_transform_loop):
1823         (vect_analyze_operations):
1824         (vect_analyze_scalar_cycles):
1825         (vect_analyze_data_ref_dependence):
1826         (vect_enhance_data_refs_alignment):
1827         (vect_analyze_data_ref_accesses):
1828         (vect_analyze_pointer_ref_access):
1829         (vect_analyze_data_refs):
1830         (vect_analyze_loop): Likewise.
1831
1832         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1833         changed from loop to loop_loc.
1834
1835         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1836
1837 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1838             Dorit Naishlos  <dorit@il.ibm.com>
1839
1840         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1841         declaration added.
1842         (vect_analyze_data_ref_dependences): Likewise.
1843
1844         (vect_is_simple_use): Argument changed from loop structure to
1845         loop_vect_info structure.
1846         (vect_can_advance_ivs_p): Likewise.
1847         (vect_create_index_for_vector_ref): Likewise.
1848         (vect_update_ivs_after_vectorizer): Likewise.
1849         (new_stmt_vec_info): Likewise.
1850
1851         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1852         changed from loop to loop_vinfo.
1853         (vect_create_data_ref_ptr): First argument in call to
1854         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1855         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1856         was changed from loop to loop_vinfo.
1857         (vectorizable_operation): Likewise.
1858         (vectorizable_store): Likewise.
1859         (vect_mark_stmts_to_be_vectorized): Likewise.
1860         (vect_do_peeling_for_loop_bound): First argument in call to
1861         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1862         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1863         was changed from loop to loop_vinfo.
1864         (vect_analyze_data_ref_dependences): Third argument in call to
1865         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1866
1867         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1868         (vect_create_data_ref_ptr): Likewise.
1869         (vect_init_vector): Likewise.
1870         (vect_get_vec_def_for_operand): Likewise.
1871         (vectorizable_assignment): Likewise.
1872         (vectorizable_operation): Likewise.
1873         (vectorizable_store): Likewise.
1874         (vectorizable_load): Likewise.
1875         (vect_update_ivs_after_vectorizer): Likewise.
1876         (vect_is_simple_use): Likewise.
1877         (vect_analyze_data_ref_dependence): Likewise.
1878         (vect_analyze_pointer_ref_access): Likewise.
1879         (vect_can_advance_ivs_p): Likewise.
1880
1881         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1882         before _stmt_vec_info.
1883         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1884         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1885         (new_stmt_vec_info): Argument changed from loop structure to
1886         loop_vect_info structure
1887
1888         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1889         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1890         (vect_create_addr_base_for_vector_ref): Likewise.
1891         (vect_analyze_pointer_ref_access): Likewise.
1892
1893 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1894
1895         PR tree-opt/19768
1896         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1897         phi flag if the phi is abnormal.
1898
1899 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1900
1901         PR tree-opt/19736
1902         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1903         information for the new statement.
1904
1905 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1906
1907         PR driver/19117
1908         * gcc.c (main): Include the target in -v output.
1909
1910 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1911
1912         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1913         Do not drop the extend if we'd have to add a paradoxical subreg
1914         later.  Include optabs.h and insn-codes.h.
1915         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1916
1917 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1918
1919         PR middle-end/19405
1920         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1921         * fold-const.c (const_binop): Avoid constant folding floating
1922         point operations in modes that use composite representations.
1923         * simplify-rtx.c (simplify_binary_operation): Likewise.
1924
1925 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1926
1927         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1928         a REG, not a MEM.
1929         (altivec_dstt): Likewise.
1930         (altivec_dstst): Likewise.
1931         (altivec_dststt): Likewise.
1932         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1933         of first operand.
1934
1935 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1936
1937         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1938         EXPR_LOCUS from orig_cond to the new cond_stmt.
1939         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1940         the new vec_stmt.
1941
1942 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1943
1944         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1945         standard_iv_increment_position. Remove call to bsi_next
1946         (no need to bump the iterator anymore).
1947         (vect_create_index_for_vector_ref): Call
1948         standard_iv_increment_position. Remove second function argument.
1949         (vect_finish_stmt_generation): Remove call to bsi_next
1950         (no need to bump the iterator anymore).
1951         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1952         to vect_create_index_for_vector_ref.
1953
1954 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1955
1956         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1957         phis are used out of the loop.
1958
1959 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1960
1961         PR c/17807
1962         * c-decl.c (undef_nested_function): New variable.
1963         (pop_scope): Diagnose undefined nested functions.
1964         (finish_function): Don't attempt cgraph processing or genericizing
1965         if current top-level function contained an undefined nested
1966         function.  Reset undef_nested_function at the end of a top-level
1967         function.
1968
1969 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1970
1971         * tree.c (build_int_cst_type): Take sign of the value into account
1972         when deciding whether sign extend the value.
1973
1974 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1975
1976         PR c/18502
1977         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1978         (cpp_options, cc1_options): Change %{std*&ansi} to
1979         %{std*&ansi&trigraphs}.
1980
1981 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1982
1983         * cse.c: Update comments.
1984
1985 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1986
1987         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1988         arguments go on the stack.  Do not put complex doubles in odd/even
1989         pairs.
1990
1991 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1992
1993         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1994         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1995         -ftree-pre, and -fthread-jumps.
1996
1997 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1998
1999         PR tree-optimization/19578
2000         * tree-flow.h (modified_noreturn_calls): Declare.
2001         (noreturn_call_p): Declare.
2002         * tree-flow-inline.h (noreturn_call_p): New function.
2003         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2004         * tree-cfg.c (modified_noreturn_calls): New variable.
2005         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2006         that contain a mid-block noreturn call.
2007         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2008
2009 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2010
2011         * df.c (df_def_record_1, df_uses_record): Don't use
2012         DF_FOR_REGALLOC.
2013         * df.h (DF_FOR_REGALLOC): Remove.
2014
2015 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2016
2017         PR c/19435
2018         * c-typeck.c (really_start_incremental_init): Reset
2019         constructor_max_index for arrays of incomplete type.
2020
2021 2005-02-02  Jeff Law  <law@redhat.com>
2022
2023         * gcse.c (struct reg_set): Store the block index where the register
2024         was set rather than the setting insn.
2025         (record_one_set, compute_transp): Corresponding changes.
2026         (pre_insert_copy_insn): Do not call replace_one_set.
2027         (replace_one_set): Remove.
2028
2029 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2030
2031         PR other/15514
2032         * doc/gcov.texi: Fix typo.
2033
2034 2005-02-01  Richard Henderson  <rth@redhat.com
2035
2036         PR target/19680
2037         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2038         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2039         type to bool.
2040         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2041         * config/i386/i386-protos.h: Update.
2042
2043 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2044
2045         PR tree-optimization/19217
2046         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2047         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2048         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2049         that it is walking a PHI node.
2050
2051 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2052
2053         * doc/extend.texi (Nested Functions): Update.
2054
2055 2005-02-01  Richard Henderson  <rth@redhat.com>
2056
2057         PR 19696
2058         * optabs.c (expand_copysign_absneg): Export.
2059         * optabs.h (expand_copysign_absneg): Declare.
2060         * config/rs6000/rs6000.md (copysigntf3): New.
2061
2062 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2063
2064         PR tree-optimization/19633
2065         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2066         * tree-ssa-alias.c (init_alias_info): Initialize.
2067         (merge_pointed_to_info): Set.
2068         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2069         (dump_points_to_info_for): Show value of pt_null.
2070         (struct count_ptr_d): Declare.
2071         (find_ptr_dereference): Remove.
2072         (ptr_is_dereferenced_by): Remove.
2073         (count_ptr_derefs): New local function.
2074         (count_uses_and_derefs): New local function.
2075         (compute_points_to_and_addr_escape): Call it.  If the number
2076         of dereferences is greater than zero, mark the pointer as
2077         dereferenced.  If there are fewer dereferences than uses of
2078         the pointer, the pointer's value escapes.
2079
2080 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2081
2082         PR tree-optimization/19670
2083         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2084         here...
2085         (verify_use): ... set it here, instead.
2086
2087 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2088
2089         * doc/sourcebuild.texi (Test directives): Fix formatting.
2090
2091         * doc/sourcebuild.texi (Test directives): Describe selector
2092         expressions.
2093
2094 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2095
2096         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2097         specific 64-bit CPUs.
2098
2099 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2100
2101         PR target/16201
2102         * arm.c (arm_eliminable_register): New function.
2103         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2104         HOST_WIDE_INT for address offsets.
2105         * arm-protos.h (arm_eliminable_register): Add prototype.
2106
2107 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2108
2109         PR optimization/15242
2110         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2111         * basic-block.h (duplicate_computed_gotos): Add prototype.
2112         * bb-reorder.c (duplicate_computed_gotos): New function to
2113         duplicate sufficiently small blocks ending in a computed jump.
2114         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2115         if not optimizing for size.
2116         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2117         never do tail merging for blocks ending in a computed jump.
2118         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2119
2120 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2121
2122         Patch from Richard Sandiford <rsandifo@redhat.com>
2123         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2124         from inheriting a subreg equivalence with a non-spill register.
2125
2126         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2127
2128 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2129
2130         * config/frv/frv.c (movcc_fp_destination_operand): New.
2131         (gpr_or_memory_operand): Fix typo in comment.
2132         (gpr_or_memory_operand_with_scratch): New.
2133         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2134         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2135         movcc_fp_destination_operand.
2136         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2137         Legitimize memory addresses using a scratch register.
2138
2139 2005-01-31  Jeff Law  <law@redhat.com>
2140
2141         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2142         bitmap a sparse bitmap instead of a simple bitmap.
2143         (mark_def_sites_initialize_block):  Corresponding changes.
2144         (ssa_mark_def_sites_initialize_block): Likewise.
2145         (ssa_mark_phi_uses): Likewise.
2146         (mark_def_site, ssa_mark_def_sites): Likewise.
2147         (mark_def_site_blocks): Likewise.
2148         (rewrite_ssa_into_ssa): Likewise.
2149
2150         * tree-ssa-dom.c (record_cond): Pass correct variable type
2151         for last argument to htab_find_slot_with_hash.
2152
2153         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2154         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2155
2156 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2157
2158         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2159         1_mmalua.
2160
2161 2005-02-01  Eric Christopher  <echristo@redhat.com>
2162
2163         * config/mips/mips.c (override_options): Warn if -mint64
2164         is used.
2165         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2166         deprecated.
2167
2168 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2169
2170         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2171         timestamp.
2172         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2173         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2174         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2175         (cached_regno): Initialize to INVALID_REGNUM.
2176         (cse_reg_info_table_size,
2177         cse_reg_info_table_first_uninitialized,
2178         cse_reg_info_timestamp): New.
2179         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2180         get_cse_reg_info.
2181         (init_cse_reg_info, get_cse_reg_info_1): New.
2182         (get_cse_reg_info): Cache the last look-up.
2183         (new_basic_block): Update the code to clear mappings from
2184         registers to cse_reg_info entries.
2185         (cse_main): Call init_cse_reg_info.
2186
2187         * cse.c (get_cse_reg_info): Update a comment.
2188
2189 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2190
2191         PR c/19333
2192         * c-decl.c (start_decl): Do not warn about arrays of elements with
2193         an incomplete type here.
2194         (grokdeclarator): Do it here by making a pedwarn an error.
2195         * c-typeck.c (push_init_level): If there were previous errors with
2196         the constructor type, do not warn about braces for initializers.
2197         (process_init_element): Likewise for excess initializer elements.
2198
2199 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2200
2201         * cse.c (delete_trivially_dead_insn): Don't iterate.
2202
2203 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2204
2205         * config/rs6000/rs6000.md (copysignsf3): New expand.
2206         (copysigndf3): Likewise.
2207
2208 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2209
2210         * recog.c (constrain_operands): Only look for earlyclobber operand
2211         conflicts if an '&' constraint was seen.
2212
2213 2005-01-31  Marc Espie <espie@openbsd.org>
2214
2215         * config.gcc: Don't include embedded systems fragment, switches default
2216         debugging format to ELF.
2217         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2218         longer pick it up there.
2219
2220 2005-01-31  Dale Johannesen  <dalej@apple.com>
2221
2222         * doc/extend.texi (nested functions): Fix linkage description.
2223         Clarify that static is not allowed.
2224
2225 2005-01-31  Dale Johannesen  <dalej@apple.com>
2226
2227         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2228         (movdf_low_di):  Make work.
2229
2230 2005-01-31  Dale Johannesen  <dalej@apple.com>
2231
2232         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2233         Make work for 64 bit.
2234
2235 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2236             Dale Johannesen  <dalej@apple.com>
2237
2238         PR middle-end/19650
2239         * fold-const.c (fold_binary_op_with_conditional_arg):
2240         Make types match original operands, before STRIP_NOPS.
2241
2242 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2243
2244         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2245         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2246         (struct gcc_sigcontext): Delete.  Merge contents to..
2247         (struct gcc_ucontext): ..here.
2248         (get_sigcontext): Delete.
2249         (get_regs): New function, like get_sigcontext but return regs ptr.
2250         64-bit version finds regs from r1 to support vdso.
2251         (ppc_linux_aux_vector): New function.
2252         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2253         and vector regs.
2254
2255 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2256
2257         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2258         sizetype.
2259         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2260         redundant fold. Fix misalignment for MINUS_EXPR.
2261         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2262         (vect_analyze_pointer_ref_access): Likewise.
2263         (vect_get_memtag_and_dr): Likewise.
2264
2265 2005-01-31  Richard Henderson  <rth@redhat.com>
2266
2267         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2268         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2269         absnegdf2_i387, absnegxf2_i387): Likewise.
2270
2271 2005-01-31  Richard Henderson  <rth@redhat.com>
2272
2273         PR 19696
2274         * optabs.c (expand_copysign_absneg): New.
2275         (expand_copysign_bit): Split out from ...
2276         (expand_copysign): ... here.  Use expand_copysign_absneg.
2277
2278 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2279
2280         PR middle-end/19697
2281         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2282         constant as the second operand and a register as the third.
2283
2284 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2285
2286         PR target/19704
2287         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2288         that dllimport'd functions do not use all call-clobbered registers
2289         to pass parameters.
2290
2291 2005-01-30  Richard Henderson  <rth@redhat.com>
2292
2293         PR 19696
2294         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2295         expand_abs_nojump and generalize.  Use operand_subword and
2296         emit_no_conflict_block.  Support large modes.
2297         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2298         back to maximum.
2299         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2300         negation to subtraction.
2301         (expand_copysign): Check that the format has signed zeros.
2302         Use operand_subword and emit_no_conflict_block.  Support large modes.
2303
2304 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2305
2306         Fix PR tree-optimization/19624
2307
2308         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2309         * tree-ssa-pre.c: Add cfgloop.h.
2310         Update comment.
2311         (pre_stats): New member, constified.
2312         (inserted_exprs): New static variable.
2313         (NECESSARY): New macro.
2314         (create_expression_by_pieces): Fold the expression, and
2315         mark it as defaulting to not necessary. Also put in
2316         inserted_exprs.
2317         (fully_constant_expression): New function.
2318         (insert_into_preds_of_block): Modify to not insert phis when we
2319         are playing with induction variables.
2320         Push phis onto the inserted_exprs vector, and mark them as not
2321         necessary by default.
2322         (insert_aux): Call fully_constant_expression on eprime.
2323         If all edges produce the same value, mark it constant.
2324         (mark_operand_necessary): New function.
2325         (remove_dead_inserted_code): New function.
2326         (init_pre): Init loop optimizer to get loop info.
2327         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2328         (execute_pre): Commit edge inserts, then remove dead code.
2329
2330 2005-01-30  Richard Henderson  <rth@redhat.com>
2331
2332         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2333         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2334
2335 2005-01-30  Richard Henderson  <rth@redhat.com>
2336
2337         PR target/19700
2338         * config/i386/i386.c (ix86_expand_copysign): New.
2339         (ix86_split_copysign_const): New.
2340         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2341         rearrange op1/nmask operands.
2342         * config/i386/i386-protos.h: Update.
2343         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2344         (copysigndf3): Likewise.
2345         (copysignsf3_const, copysigndf3_const): New.
2346         (copysignsf3_var): Rename from copysignsf3, split out splitter
2347         and fix split predicate for X constraint.
2348         (copysigndf3_var): Similarly.
2349
2350 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2351
2352         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2353         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2354         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2355
2356 2005-01-29  Richard Henderson  <rth@redhat.com>
2357
2358         PR target/19690
2359         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2360         of # and * in constraints.
2361
2362 2005-01-29  Richard Henderson  <rth@redhat.com>
2363
2364         PR middle-end/19689
2365         * expr.c (store_field): Don't strip sub-mode cast when the input
2366         data is even smaller.
2367
2368 2005-01-29  Richard Henderson  <rth@redhat.com>
2369
2370         PR middle-end/19687
2371         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2372         union being empty.
2373
2374 2005-01-29  Richard Henderson  <rth@redhat.com>
2375
2376         * combine.c (make_field_assignment): Fix argument order
2377         to gen_int_mode.
2378
2379 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2380
2381         PR tree-optimization/15791
2382         * fold-const.c (extract_array_ref): New function.
2383         (fold): Fold comparisons between &a[i] and &a[j] or
2384         semantically equivalent trees.
2385
2386 2005-01-29  Jeff Law  <law@redhat.com>
2387
2388         * gcse.c (insert_expr_in_table): Revamp handling of available
2389         and anticipatable occurrence lists to avoid unnecessary list
2390         walking.
2391         (insert_set_in_table): Similarly.
2392
2393 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2394
2395         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2396         build string type.
2397         (c_build_qualified_type): Build qualified array types with
2398         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2399         * c-decl.c (c_make_fname_decl): Build unqualified array type
2400         before qualified type.
2401         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2402         type is qualified, not just if type itself is.  Don't apply
2403         qualifiers to array type when declarator is processed.  Apply
2404         qualifiers to field type whether or not it is an array type.
2405         Don't handle array types specially for applying qualifiers to
2406         variables.
2407         * c-typeck.c (composite_type): Build unqualified element type and
2408         array type when forming composite of array types.
2409         (common_pointer_type, comptypes, comp_target_types,
2410         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2411         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2412         types.
2413         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2414         (args2) in variables a1 and a2.
2415
2416 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2417
2418         * cse.c (n_elements_made, max_elements_made): Remove.
2419         (insert): Don't touch n_elements_made.
2420         (cse_main): Don't touch n_elements_made or max_elements_made.
2421
2422 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2423
2424         PR target/15384
2425         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2426         configuration part of dp-bit.c to be lost.
2427
2428 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2429
2430         * expmed.c (expand_mult_highpart_optab): When attempting to use
2431         a non-widening multiplication in a wider mode, the operands need
2432         to be converted (zero or sign extended) to that mode.
2433
2434 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2435
2436         PR middle-end/16558
2437         PR middle-end/19583
2438         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2439         through if both operands fall through.
2440
2441 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2442
2443         * cse.c (fold_rtx) <PC>: Don't optimize.
2444
2445 2005-01-28  Jeff Law  <law@redhat.com>
2446
2447         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2448         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2449
2450 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2451
2452         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2453         cse_reg_info_used_list_end): Remove.
2454         (cse_reg_info_list, cse_reg_info_list_free): New.
2455         (get_cse_reg_info): When allocating an instance of
2456         cse_reg_info, add it to the beginning of the cse_reg_info_list
2457         list.  Remove code to maintain cse_reg_info_used_list.
2458         (new_basic_block): Reset the free list to the beginning of
2459         cse_reg_info_list.
2460
2461 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2462
2463         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2464         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2465         (frv_expand_mdpackh_builtin): New function.
2466         (frv_expand_builtin): Use it to expand __MDPACKH.
2467         * doc/extend.texi (__MDPACKH): Update documentation.
2468
2469 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2470
2471         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2472         SSE_FLOAT_MODE_P for use_sse computation.
2473
2474 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2475
2476         PR target/19663
2477         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2478
2479 2005-01-27  Richard Henderson  <rth@redhat.com>
2480
2481         * builtins.c (expand_builtin_copysign): New.
2482         (expand_builtin): Call it.
2483         * genopinit.c (optabs): Add copysign_optab.
2484         * optabs.c (init_optabs): Initialize it.
2485         (expand_copysign): New.
2486         * optabs.h (OTI_copysign, copysign_optab): New.
2487         (expand_copysign): Declare.
2488
2489         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2490         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2491
2492         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2493         (ix86_expand_fp_absneg_operator): ... here.
2494         (ix86_split_copysign): New.
2495         * config/i386/i386-protos.h: Update.
2496         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2497         (copysignsf3, copysigndf3): New.
2498
2499         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2500         (copysignsf3, ncopysignsf3): New.
2501         (copysigndf3, ncopysigndf3): New.
2502         (copysignxf3, ncopysignxf3): New.
2503         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2504
2505 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2506             Kazu Hirata  <kazu@cs.umass.edu>
2507
2508         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2509         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2510         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2511         NULL_RTX.
2512
2513 2005-01-27  Jeff Law  <law@redhat.com>
2514
2515         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2516         definitions of SSA_NAMEs which are not being rewritten.
2517         (rewrite_ssa_into_ssa): Only initialize the current definition
2518         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2519         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2520         SSA_NAMEs before returning.
2521
2522 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2523
2524         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2525         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2526         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2527         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2528         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2529
2530 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2531
2532         PR middle-end/17278
2533         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2534         higher to -O2 and higher.  Likewise for tree PRE.
2535         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2536         and better.
2537
2538 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2539
2540         PR middle-end/19583
2541         * gimple-low.c (try_catch_may_fallthru): New static function.
2542         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2543         * tree-inline.c (expand_call_inline): Don't warn about reaching
2544         the end of a non-void function being inlined if the function uses
2545         a return slot.
2546
2547 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2548
2549         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2550
2551         PR c/18946
2552         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2553         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2554         (implicitly_declare): Handle error_mark_node.
2555
2556 2005-01-27  Richard Henderson  <rth@redhat.com>
2557
2558         PR tree-opt/14329
2559         * tree.h (struct tree_decl): Add debug_expr_is_from.
2560         (DECL_DEBUG_EXPR_IS_FROM): New.
2561         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2562         * dwarf2out.c (dwarf2out_var_location): Update to match.
2563         * tree-outof-ssa.c (create_temp): Likewise.
2564         * var-tracking.c (track_expr_p): Likewise.
2565         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2566         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2567         * toplev.c (default_tree_printer): Likewise.
2568
2569 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2570
2571         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2572         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2573
2574 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2575
2576         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2577         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2578         ASM_CLOBBERS): Add tree checks.
2579
2580         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2581         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2582         * c-common.def (SWITCH_STMT): Update to match.
2583         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2584         macros instead of SWITCH_EXPR ones.
2585         * c-dump.c (c_dump_tree): Likewise.
2586         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2587         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2588
2589         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2590
2591 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2592
2593         * unwind-dw2.c (execute_stack_op): Add missing cases for
2594         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2595
2596 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2597
2598         * config.gcc (Obsolete configurations): Remove 'dummy', add
2599         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2600         sparc-*-openbsd*.
2601
2602 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2603
2604         PR tree-optimization/19633
2605         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2606         CALL_EXPRs.
2607         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2608         are no call-clobbered variables.
2609         * tree-outof-ssa.c (check_replaceable): Return false for calls
2610         with side-effects.
2611
2612 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2613
2614         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2615         even for variables with NULL DECL_INITIAL.
2616
2617 2005-01-26  Stuart Hastings  <stuart@apple.com>
2618
2619         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2620
2621 2005-01-26  Richard Henderson  <rth@redhat.com>
2622
2623         PR middle-end/18008
2624         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2625         field's type.
2626         * expr.c (store_field): Strip conversions to odd-bit-sized types
2627         if the destination field width matches.
2628
2629 2005-01-26  Richard Henderson  <rth@redhat.com>
2630
2631         * c-decl.c, expmed.c, expr.c: Revert last change.
2632
2633 2005-01-26  Richard Henderson  <rth@redhat.com>
2634
2635         PR middle-end/18008
2636         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2637         field's type.
2638         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2639         if we don't need the bits above those present in the current mode.
2640         * expr.c (store_field): Strip conversions to odd-bit-sized types
2641         if the destination field width matches.
2642
2643 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2644
2645         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2646         either -ffast-math or -funsafe-math-optimizations is in use.
2647
2648 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2649
2650         PR target/19293
2651         PR target/19329
2652         * config/avr/avr.c (notice_update_cc): Only set condition code for
2653         ashrqi3 if shift count > 0.
2654         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2655         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2656         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2657         count <= 0 as a no-op, and shift count >= width by copying zero
2658         or sign bit to all bits of the result.
2659         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2660         count, with attribute "length" set to 0 and "cc" set to "none".
2661
2662 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2663
2664         * doc/invoke.texi: Document -mTLS.
2665
2666         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2667         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2668         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2669         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2670         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2671         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2672         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2673         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2674
2675         * configure.ac: Check for a TLS capable gas.
2676
2677         * configure: Regenerate.
2678
2679 2005-01-26  Richard Henderson  <rth@redhat.com>
2680
2681         PR middle-end/18008
2682         * combine.c (make_field_assignment): Simplify store to zero_extract
2683         from a source with an overlapping mask.
2684
2685 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2686
2687         2004-11-11  Eric Christopher  <echristo@redhat.com>
2688
2689         * config/frv/frv.md: Add fr400_integer automaton. Don't
2690         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2691         to TYPE_MACC.
2692
2693 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2694
2695         PR middle-end/16585
2696         * cfgbuild.c (make_edges): Do not clear or set
2697         current_function_has_computed_jump.
2698         * function.h (struct function): Remove the has_computed_jump field.
2699         (current_function_has_computed_jump): Do not define.
2700         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2701         in a computed jump.  Ignore current_function_has_computed_jump.
2702
2703 2005-01-26  Richard Henderson  <rth@redhat.com>
2704
2705         PR middle-end/19515
2706         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2707         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2708         fully initialized.
2709         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2710         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2711         objects into static storage if they have more than one non-zero value.
2712         * tree.h (categorize_ctor_elements): Update decl.
2713
2714 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2715
2716         PR middle-end/19616
2717         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2718         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2719         to this function from 2004-07-10.
2720         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2721         the current function for tail call optimizations if the address
2722         of one of it its arguments is taken.
2723
2724 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2725
2726         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2727
2728 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2729
2730         * function.c (expand_function_end): If current_function_calls_alloca,
2731         emit stack restore in a place that is reached when the function falls
2732         through at the end.
2733
2734 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2735
2736         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2737         rule to avoid matching inappropriate suffix rule.
2738
2739 2005-01-26  Jan Hubicka  <jh@suse.cz>
2740
2741         PR tree-optimization/19241
2742         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2743
2744 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2745
2746         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2747         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2748         of doubling.
2749         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2750         <sim*>: Always use crt1.o, regardless of N in simN.
2751         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2752         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2753         (CRT_CALL_STATIC_FUNCTION): Remove.
2754         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2755         use crt1.o, regardless of N in simN.
2756         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2757         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2758         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2759         case isystem setting.
2760         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2761
2762 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2763
2764         * gimple-low.c (block_may_fallthru): Correct handling of
2765         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2766
2767 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2768
2769         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2770         handlers to match indentation; nested under the mtune=* handler.
2771         Similar for mcpu= and march=.
2772
2773 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2774
2775         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2776         * config/mips/linux64.h (LIB_SPEC): Likewise.
2777         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2778         * config/sh/linux.h (LIB_SPEC): Likewise.
2779
2780 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2781
2782         * config/frv/frv.c (frv_legitimize_tls_address): New.
2783         (TARGET_HAVE_TLS): Define.
2784         (FRV_SYMBOL_REF_TLS_P): Define.
2785         (frv_override_options): Handle new register classes.
2786         (frv_legitimate_address_p): Reject tls addresses.
2787         (frv_legitimize_address): Handle TLS addresses.
2788         (gen_inlined_tls_plt): New.
2789         (gen_tlsmoff): New.
2790         (frv_legitimize_tls_address): New.
2791         (unspec_got_name): Add TLS entries.
2792         (got12_operand): Add R_FRV_TLSMOFF12 case.
2793         (frv_emit_move): Fixup TLS addresses.
2794         (frv_emit_movsi): Legitimize TLS addresses.
2795
2796         * config/frv/frv.h (MASK_BIG_TLS): New.
2797         (TARGET_BIG_TLS): New.
2798         (HAVE_AS_TLS): Define.
2799         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2800         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2801         (REG_CLASS_NAMES): Same.
2802         (REG_CLASS_CONTENTS): Same.
2803         (CONSTRAINT_LEN): New.
2804         (REG_CLASS_FROM_CONSTRAINT): New.
2805         (PREDICATE_CODES): Add symbolic_operand.
2806
2807         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2808         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2809         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2810         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2811         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2812         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2813         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2814         GR9_REG, GR14_REG, LRREG.
2815         (type): Add load_or_call attribute.
2816         ("load_or_call"): New reservation.
2817         ("call_gettlsoff"): New.
2818         ("tls_indirect_call"): New.
2819         ("tls_load_gottlsoff12"): New.
2820         ("tlsoff_hilo"): New.
2821         ("tls_tlsdesc_ldd"): New.
2822         ("tls_tlsoff_ld"): New.
2823         ("tls_lddi"): New.
2824
2825         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2826
2827         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2828
2829         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2830         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2831         * config/frv/frv.c (TLS_BIAS): Define.
2832         (frv_output_dwarf_dtprel): New.
2833
2834 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR rtl-optimization/19579
2837         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2838         both A and B, see if they don't clobber registers the other expr uses.
2839
2840 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2841
2842         * real.c (do_add): Initialize signalling and canonical members.
2843
2844         * real.c (real_from_integer): Zero out destination.
2845
2846 2005-01-18  Jan Hubicka  <jh@suse.cz>
2847
2848         PR tree-optimize/19337
2849         * tree-inline.c (initialize_inlined_parameters): Copy
2850         saved_static_chain_decl only.
2851
2852 2005-01-25  Richard Henderson  <rth@redhat.com>
2853
2854         PR target/19556
2855         PR target/19584
2856         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2857         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2858         80387 enabled, to return a proper subclass.  Return the subset that
2859         overlaps with GENERAL_REGS for PLUS.
2860         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2861
2862 2005-01-25  Richard Henderson  <rth@redhat.com>
2863
2864         PR middle-end/19609
2865         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2866
2867 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2868
2869         * expmed.c (choose_multiplier): Change interface to return the
2870         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2871         (expand_divmod): Update calls to choose_multiplier.
2872
2873 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2874
2875         PR middle-end/19330
2876         * expmed.c (extract_bit_field): Use adjust_address instead of
2877         gen_lowpart when op0 is a MEM.
2878
2879 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2880
2881         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2882
2883 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2884
2885         * config/mips/irix-csr.c: New file.
2886         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2887         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2888         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2889         executables.
2890
2891 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2892
2893         PR bootstrap/19364
2894         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2895         sparc/elf.h, add sparc/sp-elf.h.
2896         (sparc-*-rtems*): Likewise.
2897         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2898         tm-dwarf2.h, add sparc/sp-elf.h.
2899         (sparc86x-*-elf): Likewise.
2900         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2901         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2902         TARGET_OS_CPP_BUILTINS.
2903         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2904         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2905         Undefine it.
2906         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2907         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2908         (SWITCH_TAKES_ARG): Likewise.
2909         (LOCAL_LABEL_PREFIX): Likewise.
2910         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2911         (TARGET_N_FORMAT_TYPES): Delete.
2912         (TARGET_FORMAT_TYPES): Likewise.
2913         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2914         * config/sparc/elf.h: Delete.
2915         * config/sparc/sp-elf.h: New file.
2916
2917 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2918
2919         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2920         * tree-flow.h: Remove the corresponding prototype.
2921         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2922         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2923
2924 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2925
2926         PR target/17751
2927         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2928         for AIX ABI or ELF -fPIC.
2929         (rs6000_emit_load_toc_table): Don't create toc_section here.
2930         (rs6000_xcoff_file_start): Nor here.
2931
2932 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2933
2934         * sh.c (ra.h): Don't #include.
2935         (hard_regs_intersect_p): New function, resurrected from ra.c.
2936
2937         * sh.c: Fix 1996 Copyright.
2938
2939 2005-01-24  Richard Henderson  <rth@redhat.com>
2940             Aldy Hernandez  <aldyh@redhat.com>
2941
2942         * regrename.c (note_sets): Handle subregs.
2943
2944 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2945
2946         PR bootstrap/18058
2947         * genconditions.c (write_header, write_conditions): Elide file if
2948         not GCC >= 3.0.1.
2949
2950 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2951
2952         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2953         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2954         Update copyright.
2955
2956 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2957
2958         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2959         expand_builtin_printf, expand_builtin_fprintf,
2960         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2961         checking against POINTER_TYPE.
2962         (validate_arglist): Handle POINTER_TYPE code by checking
2963         POINTER_TYPE_P.
2964
2965 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2966
2967         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2968         init_rtlanal): New.
2969         (for_each_rtx): Call for_each_rtx_1.
2970         * rtl.h (init_rtlanal): Declare.
2971         * toplev.c (backend_init): Call init_rtlanal.
2972
2973 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2974
2975         * flow.c (propagate_one_insn): Formatting.
2976
2977         PR middle-end/19551
2978         * flow.c (libcall_dead_p): Be more conservative if unsure.
2979         If there are any instructions between insn and call, see if they are
2980         all dead before saying the libcall is dead.
2981
2982 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2983
2984         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2985         operand constraint for operand 0.
2986
2987 2005-01-23  Richard Henderson  <rth@redhat.com>
2988
2989         PR 19486
2990         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2991         edges leading to join block.
2992
2993 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2994
2995         * expmed.c (expand_mult_highpart): Make static.  Change type of
2996         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2997         (expand_divmod): Updates calls to expand_mult_highpart by using
2998         gen_int_mode to pass a CONST_INT rtx.
2999         * rtl.h (expand_mult_highpart): Remove prototype.
3000
3001 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3002
3003         * flow.c (regset_bytes, regset_size): Remove.
3004
3005         * cfganal.c: Fix a reference to Harvey's paper.
3006
3007 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3008
3009         PR rtl-optimization/19464
3010         * tree-optimize.c (init_tree_optimization_passes): Add one more
3011         copyrename pass just before out-of-ssa.
3012
3013 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3014
3015         PR bootstrap/18058
3016         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3017         * ggc-none.c (ggc_free): Define.
3018
3019 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3020
3021         * cse.c (max_reg, max_insn_uid): Remove.
3022         (cse_main): Don't access max_reg or max_insn_uid.
3023
3024         * c-common.c (explicit_flag_signed_bitfields,
3025         lang_statement_code_p, lang_expand_function_end): Remove.
3026         * c-common.h: Remove the corresponding declarations.
3027         * c-opts.c (c_common_handle_option): Remove all write access
3028         to explicit_flag_signed_bitfields.
3029
3030         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3031         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3032         * cgraph.h: Remove the corresponding declaration.
3033
3034         * gcse.c (null_pointer_info): Remove.
3035
3036 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3037             Eric Botcazou  <ebotcazou@libertysurf.fr>
3038
3039         * combine.c (simplify_logical): Only simplify logical expressions
3040         of the form ior(and(x,y),z) by the inverse distributive law if the
3041         result is cheaper than the original.
3042
3043 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3044
3045         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3046         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3047         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3048         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3049         config/freebsd-spec.h, config/arm/arm.h,
3050         config/h8300/h8300.md, config/i386/i386.md,
3051         config/i386/predicates.md, config/i386/sse.md,
3052         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3053         config/vax/vax.md: Fix comment typos.  Follow spelling
3054         conventions.
3055
3056 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3057
3058         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3059         tests, instead of `less than'.
3060
3061 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3062
3063         * function.c (assign_parm_setup_block): When creating a new stack slot
3064         for a parameter, get its alignment from the parameter's DECL_ALIGN
3065         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3066         is at least word aligned.
3067
3068 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3069
3070         PR middle-end/19378
3071         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3072
3073 2005-01-22  Richard Henderson  <rth@redhat.com>
3074
3075         PR target/19506
3076         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3077         in both compare operands.
3078         (movdfcc_1_sse_max): Likewise.
3079         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3080         (movdfcc_1_sse): Likewise.
3081         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3082         scratch register as needed.
3083
3084 2005-01-22  Richard Henderson  <rth@redhat.com>
3085
3086         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3087
3088         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3089
3090 2005-01-22  Richard Henderson  <rth@redhat.com>
3091
3092         * genopinit.c (optabs): Use smin/smax for floating point too.
3093         * doc/md.texi: Update to match.  Clarify that floating point
3094         results are undefined for +0/-0 and NaN.
3095         * doc/rtl.texi: Likewise.
3096         * rtl.def (SMIN, SMAX): Likewise
3097         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3098
3099         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3100         leading 's' to the name.
3101         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3102         smaxxf3, sminxf3): Likewise.
3103         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3104         Likewise.
3105
3106 2005-01-22  Paul Brook  <paul@codesourcery.com>
3107
3108         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3109
3110 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3111
3112         * config/s390/s390.c (struct processor_costs): New fields
3113         dlgr, dlr, dr, dsgfr, dsgr.
3114         (z900_cost, z990_cost): Values for new fields.
3115         (s390_rtx_costs): New cases MEM und COMPARE in switch
3116         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3117         DIV, MOD, UDIV, UMOD.
3118
3119 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3120
3121         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3122         into the register being decremented.
3123         ("doloop_si31", "doloop_di"): Likewise.
3124         ("*doloop_si_long"): Adapt pattern.
3125
3126 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3127
3128         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3129         access registers.
3130         (CLASS_MAX_NREGS): Likewise.
3131
3132 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3133
3134         * doc/tree-ssa.texi (Statement Operands): Add example for new
3135         must-def macro. Note deprecation of old operands interface.
3136
3137 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3138
3139         PR tree-optimization/19484
3140         * tree-cfg.c (remove_fallthru_edge): New function.
3141         (cleanup_control_flow): Remove fallthru edges from calls that are
3142         now known not to return.
3143
3144 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3145
3146         Fix PR tree-optimization/19038
3147         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3148         copies with loop variant ones.
3149
3150 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3151
3152         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3153         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3154         config/alpha/alpha.md, config/alpha/predicates.md,
3155         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3156         config/sparc/sol2.h: Update copyright.
3157
3158         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3159         first label to see if it is a nonlocal label.
3160
3161 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3162             Andrew Pinski  <pinskia@physics.uc.edu>
3163
3164         PR target/19491
3165         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3166         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3167
3168 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3169
3170         * config/rs6000/rtems.h: Update copyright.
3171
3172 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3173
3174         PR target/19548
3175         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3176         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3177         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3178
3179 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3180
3181         PR c/18809
3182         * c-typeck.c (convert_arguments): Check for error_mark_node.
3183
3184 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3185
3186         PR tree-optimization/13000
3187         * tree-inline.c: Include "tree-flow.h".
3188         (expand_call_inline): If warn_return_type, warn if non-void inline
3189         function falls through.
3190         * tree-cfg.c (execute_warn_function_return): Don't warn about
3191         control reaching end if TREE_NO_WARNING is set.  Set
3192         TREE_NO_WARNING.
3193         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3194         has been lowered.
3195         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3196         branch if we don't need one.
3197         * c-typeck.c: Include "tree-flow.h"
3198         (c_finish_bc_stmt): Don't add a goto if the current statement
3199         list doesn't fall through to the current point.
3200
3201 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3202
3203         PR rtl-optimization/576
3204         * real.c (real_arithmetic): Change return type from void to bool
3205         to return an indication that the result may be inexact.
3206         * real.h (real_arithmeric): Update prototype.
3207         * fold-const.c (const_binop):  Don't constant fold floating
3208         point expressions when the user specifies -frounding-math and
3209         the result may depend upon the run-time rounding mode.
3210         (fold_convert_const_real_from_real): Clean-up.
3211         (fold_initializer): Ignore flag_rounding_math for initializers.
3212         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3213         constant fold FP operations with flag_rounding_math if the
3214         result may depend upon the run-time rounding mode.
3215
3216 2005-01-21  Tom Tromey  <tromey@redhat.com>
3217
3218         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3219
3220 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3221
3222         * tree-cfg.c: Fix comment typos.
3223
3224 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3225
3226         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3227         around the call to rest_of_handle_branch_target_load_optimize.
3228
3229 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3230
3231         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3232         (sparc64-*-openbsd*): Likewise.
3233         (sparclite-*-elf*): Include tm-dwarf2.h.
3234         (sparc86x-*-elf*): Likewise.
3235         (sparc64-*-elf*): Likewise.
3236         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3237         (DBX_DEBUGGING_INFO): Likewise.
3238         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3239         (PREFERRED_DEBUGGING_TYPE): Likewise.
3240         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3241         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3242         (PREFERRED_DEBUGGING_TYPE): Likewise.
3243         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3244         (PREFERRED_DEBUGGING_TYPE): Likewise.
3245         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3246
3247 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3248
3249         PR target/18701
3250         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3251
3252 2005-01-20  Paul Brook  <paul@codesourcery.com>
3253
3254         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3255
3256 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3257
3258         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3259         label is first in a sequence of labels.
3260
3261         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3262
3263 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3264             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3265
3266         * doc/sourcebuild.texi (Test Directives): New.
3267
3268 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3269
3270         * real.c (real_floor): Don't leave the result uninitialized when
3271         mode is VOIDMode, but return the unrounded intermediate value.
3272         (real_ceil): Likewise.
3273
3274 2005-01-20  Paul Brook  <paul@codesourcery.com>
3275
3276         * config/arm/arm.md (insv): Use gen_int_mode.
3277
3278 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3279
3280         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3281         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3282         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3283         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3284         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3285
3286 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3287
3288         Fix PR debug/19124
3289         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3290         fbreg, so we have to assume we can't.
3291         (loc_descriptor_from_tree_1): Ditto.
3292         (containing_function_has_frame_base): New function.
3293         (add_location_or_const_value_attribute): Use it.
3294         Also try to generate a frame_base from a single element location
3295         list.
3296
3297 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3298
3299         PR tree-optimization/15349
3300         * timevar.def (TV_TREE_MERGE_PHI): New.
3301         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3302         PHI_WANTED.
3303         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3304         calls to tree_forwarder_block_p.
3305         (remove_forwarder_block_with_phi, merge_phi_nodes,
3306         gate_merge_phi, pass_merge_phi): New.
3307         * tree-optimize.c (init_tree_optimization_passes): Add
3308         pass_merge_phi.
3309         * tree-pass.h: Add an extern for pass_merge_phi;
3310
3311 2005-01-20  Richard Henderson  <rth@redhat.com>
3312
3313         PR target/19418
3314         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3315         (_mm_castps_pd, _mm_castps_si128): New.
3316         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3317
3318 2005-01-20  Richard Henderson  <rth@redhat.com>
3319
3320         PR target/19530
3321         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3322         __builtin_ia32_vec_init_v2si.
3323         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3324         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3325         (ix86_init_mmx_sse_builtins): Create it.
3326         (ix86_expand_builtin): Expand it.
3327         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3328         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3329         (vec_extractv2si_0, vec_extractv2si_1): New.
3330
3331 2005-01-20  Richard Henderson  <rth@redhat.com>
3332
3333         PR target/16533
3334         * config/i386/i386.c (ix86_expand_push): New.
3335         * config/i386/mmx.md (push<MMXMODE>1): New.
3336         * config/i386/sse.md (push<SSEMODE>1): New.
3337         * config/i386/i386-protos.h: Update.
3338
3339 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3340
3341         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3342         copyright.
3343
3344 2005-01-20  Richard Henderson  <rth@redhat.com>
3345
3346         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3347         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3348
3349 2005-01-19  Richard Henderson  <rth@redhat.com>
3350
3351         PR target/19350
3352         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3353         to V4SFmode in SSE1 fallback load path.
3354
3355 2005-01-19  Richard Henderson  <rth@redhat.com>
3356
3357         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3358         in QImode expansion to ix86_expand_vector_set.
3359         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3360
3361 2005-01-19  Richard Henderson  <rth@redhat.com>
3362
3363         PR target/19511
3364         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3365         subclass of the input class.
3366         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3367         Always true for cross-SSE1 classes.  Rationalize conditionals.
3368         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3369         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3370         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3371         (movdi_2): Add MMX/SSE zeros.
3372         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3373         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3374         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3375         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3376         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3377         (zero_extendsidi2_rex64_1): Remove.
3378         (MOV0 peephole): Check GENERAL_REG_P.
3379
3380 2005-01-19  Richard Henderson  <rth@redhat.com>
3381
3382         PR target/19427
3383         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3384         shufps elements.
3385         (ix86_expand_vector_extract): Likewise.
3386
3387 2005-01-19  Richard Henderson  <rth@redhat.com>
3388
3389         PR middle-end/19304
3390         * expr.c (emit_move_change_mode): New argument force; use
3391         simplify_gen_subreg if true.
3392         (emit_move_via_alt_mode): Merge into ...
3393         (emit_move_via_integer): ... here.
3394         (emit_move_ccmode): Use emit_move_change_mode directly.
3395
3396 2005-01-19  Richard Henderson  <rth@redhat.com>
3397
3398         PR target/19518
3399         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3400         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3401         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3402         rtl if true.
3403         (alpha_emit_set_const): Likewise.  Make static.
3404         (alpha_emit_set_long_const): Make static.
3405         (alpha_extract_integer): Split out from alpha_expand_mov.
3406         (alpha_split_const_mov): Likewise.
3407         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3408         (alpha_legitimate_constant_p): New.
3409         * config/alpha/alpha-protos.h: Update.
3410         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3411         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3412         * config/alpha/alpha.md (movsi): Add n alternative.
3413         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3414         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3415         (splitters for all of the above): Use alpha_split_const_mov.
3416         * config/alpha/predicates.md (non_add_const_operand): New.
3417         (non_zero_const_operand): New.
3418         (input_operand): Use alpha_legitimate_constant_p after reload.
3419
3420 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3421
3422         PR tree-optimization/19038
3423         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3424         (add_candidate): Add ivs with increment in latch only if
3425         allow_ip_end_pos_p is true.
3426         (determine_iv_cost): Use empty_block_p.
3427
3428 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3429
3430         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3431         (compute_dominance_frontiers): Ditto.
3432
3433 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3434
3435         PR target/19529
3436         * config/sh/t-rtems: New.
3437         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3438
3439 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3440
3441         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3442         the offset of the selected field.
3443
3444 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3445
3446         * tree-cfg.c (remove_forwarder_block): Fix the check to
3447         prevent a nonlocal label from appearing in the middle of a
3448         basic block.
3449
3450 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3451
3452         PR rtl-optimization/19462
3453         * reorg.c (find_end_label): Create return insn only if
3454         current_function_epilogue_delay_list is empty.
3455
3456 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3457
3458         * doc/passes.texi: Remove paragraph mentioning new-ra.
3459
3460 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3461
3462         PR rtl-optimization/15139
3463         * combine.c: Include params.h.
3464         (count_rtxs): New function.
3465         (record_value_for_reg): If replace_rtx would replace at least
3466         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3467         (clobber (const_int 0)) instead of TEM.
3468         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3469         * params.h (MAX_LAST_VALUE_RTL): New.
3470         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3471         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3472
3473         PR c/17297
3474         * c-typeck.c (digest_init): Only call build_vector if all constructor
3475         elements are *_CST nodes.
3476         * gimplify.c (gimplify_init_constructor): Likewise.
3477
3478         PR middle-end/19164
3479         * c-typeck.c (digest_init): Only call build_vector if inside_init
3480         is a CONSTRUCTOR.
3481
3482 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3483
3484         * toplev.c (init_asm_output): Remove dead #ifdef.
3485
3486 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3487
3488         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3489
3490 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3491
3492         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3493         accessing DECL_FUNCTION_CODE.
3494         * dojump.c (do_jump): Likewise.
3495         * gimplify.c (gimplify_call_expr): Likewise.
3496         * predict.c (expr_expected_value): Likewise.
3497         (strip_builtin_expect): Likewise.
3498         * tree-inline.c (estimate_num_insns_1): Likewise.
3499         * tree-ssa-loop-im.c (stmt_cost): Likewise
3500         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3501         (tree_expr_nonnegative_p): Likewise.
3502
3503 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3504
3505         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3506         variant of the load_pcrel_sym pattern.
3507         * config/sparc/sparc.md (P macro): Move to the top.
3508         (load_pcrel_sym): Macroize using P.
3509         (save_register_window): Likewise.
3510
3511 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3512
3513         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3514         ("sordered"): Same.
3515
3516 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3517
3518         PR C/19472
3519         * c-typeck.c (build_asm_expr): Strip nops off
3520         input memory operands.
3521
3522 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3523
3524         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3525         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3526         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3527         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3528
3529 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3530
3531         PR target/19379
3532         * config/i386/i386.c (override_options): If the 80387 is disabled,
3533         then do not return FP values using FP registers.
3534
3535 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3536
3537         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3538         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3539         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3540         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3541         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3542         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3543         output.h, postreload-gcse.c, postreload.c, recog.c,
3544         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3545         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3546         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3547         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3548         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3549         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3550         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3551         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3552
3553         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3554         config/alpha/alpha.c, config/arm/vfp.md,
3555         config/i386/emmintrin.h, config/i386/i386-modes.def,
3556         config/i386/i386-protos.h, config/i386/i386.h,
3557         config/i386/pmmintrin.h, config/i386/ppro.md,
3558         config/i386/predicates.md, config/i386/xmmintrin.h,
3559         config/i860/i860.c, config/ia64/ia64-modes.def,
3560         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3561         config/ia64/ia64.md, config/ia64/itanium1.md,
3562         config/ia64/itanium2.md, config/ia64/predicates.md,
3563         config/iq2000/iq2000.h, config/mips/linux64.h,
3564         config/rs6000/aix41.h, config/rs6000/aix43.h,
3565         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3566         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3567         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3568         config/sparc/linux64.h, config/sparc/litecoff.h,
3569         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3570         config/sparc/sparc.h, config/sparc/sparc.md,
3571         config/sparc/sysv4-only.h: Update copyright.
3572
3573 2005-01-18  Richard Henderson  <rth@redhat.com>
3574
3575         PR target/19496
3576         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3577
3578 2005-01-18  Marc Espie  <espie@openbsd.org>
3579         * config/i386/openbsdelf.h: Typo.
3580
3581 2005-01-18  Richard Henderson  <rth@redhat.com>
3582
3583         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3584         special case for sse.
3585         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3586
3587 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3588
3589         * tree-inline.c (estimate_num_insns_1): Added cases for
3590         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3591
3592 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3593
3594         PR rtl-optimization/19296
3595         * combine.c (simplify_comparison): Rewrite the condition under
3596         which a non-paradoxical SUBREG of a PLUS can be lifted when
3597         compared against a constant.
3598
3599 2005-01-18  Andi Kleen <ak@muc.de>
3600
3601         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3602         * c.opt (-Wpointer-sign): Add.
3603         * doc/invoke.texi: (-Wpointer-sign): Add.
3604
3605 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3606
3607         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3608         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3609         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3610         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3611         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3612         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3613         for TARGET_MIX_SSE_I387.
3614         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3615         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3616         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3617         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3618         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3619         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3620         TARGET_MIX_SSE_I387.
3621         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3622         from expander.
3623
3624 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3625
3626         PR target/19424
3627         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3628         Add movaps alternative for xmm reg->reg move.
3629
3630 2005-01-17  Jeff Law  <law@redhat.com>
3631
3632         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3633         at the end of the main DOM loop rather than just before DOM exits.
3634
3635 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3636
3637         PR tree-optimization/19121
3638         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3639         adding aliases to a name tag, also add them to the pointer's
3640         type tag.
3641         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3642         sensitive alias info at all.  Only check that the two pointers
3643         have compatible pointed-to sets.
3644         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3645         a pointer's type tag is a superset of the alias set of the
3646         pointer's name tag.
3647
3648 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3649
3650         PR target/19357
3651         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3652         comment to document why.
3653
3654 2005-01-17  Richard Henderson  <rth@redhat.com>
3655
3656         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3657         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3658         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3659         sse2_vmsminv2df3_finite): New.
3660         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3661         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3662         Force op1 into register.
3663
3664 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3665
3666         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3667         bubblestrap from always rebuilding build directory.
3668
3669 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3670
3671         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3672         ("*cmpmem_short"): Likewise.
3673
3674 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3675
3676         * basic-block.h: Document BB_* flags.
3677         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3678         use an sbitmap instead.
3679         * sched-rgn.c (compute_trg_info): Likewise.
3680
3681 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3682
3683         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3684         redundant target_cpu_default and extra_parts lines.  Use the default
3685         "from-abi" ISA.
3686         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3687         (SUBTARGET_EXTRA_SPECS): Delete.
3688         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3689         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3690         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3691         and "n32" for -mabi=n32.
3692
3693 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3694
3695         PR c/5675
3696         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3697         fold constant variables into initial values.
3698
3699 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3700
3701         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3702
3703         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3704         through the statements backward.
3705
3706 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3707
3708         PR middle-end/13127:
3709         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3710         a variable set to the return value of the inlined function.
3711
3712 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3713
3714         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3715         when modes are tieable.
3716
3717 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3718
3719         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3720         of pthread_create to find out if threads are enabled.
3721         * gthr-posix95.h (__gthread_active_p): Likewise.
3722
3723 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3724
3725         * common.opt (-fnew-ra): Remove.
3726         * ra*.*: Remove.
3727         * toplev.h (flag_new_regalloc): Remove.
3728         * Makefile.in (ra*.*): Don't mention.
3729         * passes.c (rest_of_handle_new_regalloc): Remove.
3730         (rest_of_handle_combine, rest_of_compilation): Always consider
3731         flag_new_regalloc as false.
3732         * doc/invoke.texi: Don't document -fnew-ra.
3733
3734 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3735
3736         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3737         last parameter to reg_scan.
3738         * loop.c (loop_optimize): Likewise.
3739         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3740         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3741         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3742         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3743         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3744         * regclass.c (reg_scan): Likewise, for the declaration.
3745         * rtl.h (reg_scan): Likewise, for the prototype.
3746
3747 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3748
3749         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3750         mark_dfs_back_edges.
3751
3752 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3753
3754         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3755         (compute_avail): Uses don't go in tmp_gen.
3756
3757 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3758
3759         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3760         loop to look for a free slot in a page entry.
3761
3762 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3763
3764         PR target/16304
3765         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3766         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3767         just before targetm.asm_out.file_end.
3768         * tree.h (process_pending_assemble_output_defs): Declare.
3769         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3770         New functions.
3771         (assemble_alias): Defer generation of assembly code for defines when
3772         TARGET_DEFERRED_OUTPUT_DEFS is true.
3773         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3774         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3775         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3776
3777 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3778
3779         PR target/19336
3780         * pa.c (pa_scalar_mode_supported_p): New function.
3781         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3782         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3783
3784         * pa-protos.h (prefetch_operand): Delete.
3785         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3786         * pa.c (prefetch_operand): Delete.
3787         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3788         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3789         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3790         and prefetch_nocc_operand.
3791         * pa.md (prefetch): Rework to avoid reload problems handling short
3792         displacements when a cache control completer needs to be provided.
3793         (prefetch_32, prefetch_64): Delete.
3794         (prefetch_cc, prefetch_nocc): New patterns.
3795
3796 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3797
3798         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3799
3800 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3801
3802         PR ada/19388
3803         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3804         exceeds maximum alignment for global common data.
3805         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3806         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3807
3808 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3809
3810         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3811
3812 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3813
3814         * harg-reg-set.h (reg_class_names): Prototype global array.
3815         * regclass.c (reg_class_names): Declare here and initialize to
3816         REG_CLASS_NAMES.
3817         (dump_regclass): Remove local declaration of reg_class_names.
3818         (regclass): Likewise.
3819         * cfg.c (dump_flow_info): Likewise.
3820         * ra-debug.c (reg_class_names): Likewise.
3821         * regrename.c (reg_class_names): Likewise.
3822         * reload.c (reg_class_names): Likewise.
3823         * reload1.c (spill_failure): Likewise.
3824         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3825
3826 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3827
3828         * config/s390/s390.md ("reload_outti"): Remove predicate for
3829         output operand.  Abort if operand is not a MEM.
3830         ("reload_outdi", "reload_outdf"): Likewise.
3831
3832 2005-01-15  Marc Espie  <espie@openbsd.org>
3833
3834         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3835         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3836         * config/openbsd.h:  Fix C++ includes for native configurations.
3837         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3838         Add trampoline support.
3839         * config/i386/openbsdelf.h: New.
3840
3841 2005-01-15  Marc Espie  <espie@openbsd.org>
3842
3843         * collect2.c (main): Explicitly parse -dynamic-linker option.
3844
3845 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3846
3847         PR tree-optimization/19060
3848         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3849         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3850         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3851         and handle extract_range_from_cond returning false.
3852         * fold-const.c (fold): Optimize comparisons with min/max even for
3853         width > HOST_BITS_PER_WIDE_INT.
3854
3855 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3856
3857         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3858         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3859         Remove little endian multilib variants.
3860         Add mips32 multilib variant.
3861
3862 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3863
3864         * explow.c (copy_all_reg, stabilize): Remove.
3865         * expr.h: Remove the corresponding prototypes.
3866
3867         * rtlanal.c (regs_set_between_p): Remove.
3868         * rtl.h: Remove the corresponding prototype.
3869
3870 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3871
3872         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3873         to rs6000_nonimmediate_operand.
3874         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3875         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3876         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3877         rs6000_nonimmediate_operand.
3878         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3879         rs6000_nonimmediate_operand.
3880
3881 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3882
3883         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3884
3885 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3886
3887         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3888         on e500v2.
3889         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3890         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3891
3892         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3893         (rs6k_nonimmediate_operand): New.
3894         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3895         correctly.
3896         (legitimate_lo_sum_address_p): Same.
3897         (rs6000_legitimize_address): Same.
3898         (rs6000_legitimize_reload_address): Same.
3899         (rs6000_legitimate_address): Same.
3900         (spe_build_register_parallel): Pass DF and DC modes in a DI
3901         register.
3902
3903         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3904         to rs6k_nonimmediate_operand.
3905
3906         * config/rs6000/spe.md ("*frob_df_di"): New.
3907         ("*frob_di_df"): New.
3908         ("*frob_di_df_2"): New.
3909         ("*mov_sidf_e500_subreg0"): New.
3910         ("*mov_sidf_e500_subreg4"): New.
3911         ("*movdf_e500_double"): Change predicate to
3912         rs6k_nonimmediate_operand.
3913
3914 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3915
3916         * postreload.c (move2add_note_store): Only call
3917         trunc_int_for_mode on scalar integers.
3918
3919 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3920
3921         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3922         replace BB_VISITED uses.
3923         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3924         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3925         (tree_dce_done): Free visited_control_parents.
3926         (perform_tree_ssa_dce): Allocate and clear it.
3927         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3928         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3929         instead of BB_VISITED.
3930
3931 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3932
3933         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3934         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3935         Remove unused prototypes.
3936
3937 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3938
3939         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3940         64-bit register usage.
3941         (spe_func_has_64bit_regs_p): Add FIXME note.
3942
3943 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3944
3945         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3946         flag_finite_math_only with flag_unsafe_math_optimizations.
3947
3948 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3949
3950         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3951         end-of-stack check.
3952         (__tpf_eh_return): Copy TPF private stack area from the module
3953         boundary stack frame.  Add check for when module addresses are
3954         equal, but no stub address is found.
3955
3956 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3957
3958         PR target/7525
3959         * arm.h (struct machine_function): Add call_via field.
3960         (thumb_call_via_label): Declare.
3961         * arm.c (thumb_call_via_label): New variable.
3962         (thumb_call_reg_needed): New variable.
3963         (arm_output_function_epilogue): For Thumb code, output any per-function
3964         call-indirect trampolines.
3965         (thumb_call_via_reg): New function.
3966         (arm_file_end): New function.
3967         (TARGET_ASM_FILE_END): Call arm_file_end.
3968         (aof_file_end): Likewise.
3969         * arm-protos.h (thumb_call_via_reg): Declare.
3970         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3971         thumb_call_via_reg in normal case.
3972
3973 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3974
3975         PR middle-end/19084
3976         PR rtl-optimization/19348
3977         * recog.c (peephole2_optimize): Do global life update if some peephole
3978         decides it doesn't need at least one of its inputs and that change
3979         influences liveness at the start of the basic block.
3980
3981         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3982         arguments instead of 1.
3983
3984 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3985
3986         PR middle-end/18820
3987         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3988         zero for nested functions needing a static chain or functions
3989         with a non-constant address.
3990
3991 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3992
3993         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3994         (and (sign_extend X) C) into (zero_extend (and X C)).
3995
3996 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3997
3998         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3999
4000 2005-01-13  Richard Henderson  <rth@redhat.com>
4001
4002         PR target/19009
4003         PR target/19250
4004         PR target/19252
4005         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4006         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4007         not just TARGET_SSE.
4008         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4009         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4010         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4011         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4012         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4013         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4014         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4015         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4016         (movdicc_c_rex64): Rename with '*'.
4017         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4018         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4019         (movsfcc_1_387): Rename from movsfcc_1.
4020         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4021         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4022         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4023         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4024         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4025         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4026         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4027         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4028         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4029         sse_movdfcc_const0_4): Remove.
4030         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4031         recognize min/max early.  Update for changed sse cmove patterns.
4032         (ix86_split_sse_movcc): New.
4033         * config/i386/i386-protos.h: Update.
4034
4035 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4036
4037         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4038         (fix_stmt_v_may_defs): Likewise.
4039
4040 2005-01-13  Richard Henderson  <rth@redhat.com>
4041
4042         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4043         for converting the mask.
4044
4045 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4046
4047         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4048         definition to 600.
4049
4050 2005-01-13  Richard Henderson  <rth@redhat.com>
4051
4052         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4053         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4054         IX86_BUILTIN_MOVDQ2Q): Remove.
4055         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4056         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4057         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4058         shuffling.
4059         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4060         (sse2_pextrw): Fix immediate constraint.
4061         (sse2_loadq, sse2_loadq_rex64): Remove.
4062         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4063         Use __builtin_ia32_vec_ext_<size>.
4064         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4065
4066 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4067
4068         * function.c (assign_parm_setup_block): Look inside original
4069         entry_parm when inspecting PARALLEL.
4070
4071 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4072             Joel Sherrill  <joel@oarcorp.com>
4073
4074         PR target/19399
4075         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4076         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4077         rtems_gxx_recursive_mutex_init.
4078         (__gthread_recursive_mutex_lock): New function.
4079         (__gthread_recursive_mutex_trylock): Likewise.
4080         (__gthread_recursive_mutex_unlock): Likewise.
4081
4082 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4083
4084         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4085
4086 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4087
4088         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4089         (ashrti3_internal): Indicate output is early clobber. Generate result
4090         into output rather than first input. Use move for low word of output
4091         if shift count is exactly 64.
4092         (lshrti3_internal): Likewise.
4093
4094 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4095
4096         PR target/18329
4097         PR target/18330
4098         * reload1.c (delete_output_reload): Don't delete an output reload
4099         if the pseudo lives longer than a single basic block.  Adjust and
4100         improve wording of comment.
4101
4102 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4103
4104         PR target/19334
4105         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4106         of TYPE_SIZE where we mean the number of bytes.
4107
4108 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4109
4110         * function.c (assign_parm_setup_block): Relax condition on
4111         multi-register optimization.
4112
4113 2005-01-12  Nick Clifton  <nickc@redhat.com>
4114
4115         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4116         an "in_delay_slot" attribute of "no" to prevent them being used in
4117         delay slots.  This is forbidden because they might generate
4118         exceptions.
4119
4120 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4121
4122         PR target/19389
4123         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4124         with r->Y and Y->r.
4125
4126 2005-01-12  Nick Clifton  <nickc@redhat.com>
4127
4128         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4129         passed on to GAS) but do not define, as GAS no longer supports or
4130         needs the -m2000 option.
4131
4132 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4133
4134         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4135         type as args of unprototyped builtins aren't automatically promoted.
4136         (fold_builtin_abs): Likewise.
4137
4138 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4139
4140         * Makefile.in: Set a `build-warn' variable.
4141
4142 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4143
4144         PR tree-optimization/17949
4145         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4146         (find_interesting_uses_address): Use it.
4147
4148 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4149
4150         * regrename.c (kill_value): Handle subreg's that won't simplify.
4151
4152 2005-01-11  Richard Henderson  <rth@redhat.com>
4153
4154         PR target/13366
4155         * config/i386/i386.h (enum ix86_builtins): Move ...
4156         * config/i386/i386.c: ... here.
4157         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4158         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4159         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4160         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4161         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4162         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4163         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4164         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4165         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4166         IX86_BUILTIN_LOADDDUP): Remove.
4167         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4168         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4169         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4170         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4171         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4172         (ix86_init_builtins): Make static.
4173         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4174         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4175         if all the modes match.  Otherwise, fake it.
4176         (get_element_number, ix86_expand_vec_init_builtin,
4177         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4178         (ix86_expand_builtin): Make static.  Update for changed builtins.
4179         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4180         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4181         (ix86_expand_vector_init_duplicate): New.
4182         (ix86_expand_vector_init_low_nonzero): New.
4183         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4184         Split out from ix86_expand_vector_init; handle integer modes.
4185         (ix86_expand_vector_init): Use them.
4186         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4187         * config/i386/i386-protos.h: Update.
4188         * config/i386/predicates.md (reg_or_0_operand): New.
4189         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4190         (movv2sf_internal): Likewise.  And a splitter to match them all.
4191         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4192         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4193         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4194         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4195         (mmx_pinsrw): Fix operand ordering.
4196         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4197         rather than sse_loadss expander.
4198         (movv2df splitter): Similarly.
4199         (sse_loadss, sse_loadlss): Remove.
4200         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4201         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4202         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4203         (sse3_movddup): Rename with '*'.
4204         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4205         (sse2_loadsd): Remove.
4206         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4207         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4208         (sse2_pinsrw): Fix argument ordering.
4209         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4210         (sse2_stored): Remove 'r' destination.
4211         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4212         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4213         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4214         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4215         vec_extractv16qi, vec_initv16qi): New.
4216
4217         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4218         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4219         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4220         constructor form.
4221         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4222         (_mm_load_si128, _mm_store_si128): Likewise.
4223         (_mm_load1_pd): Use _mm_set1_pd.
4224         (_mm_load_sd): Use _mm_set_sd.
4225         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4226         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4227         (_mm_set_epi64): Use _mm_set_epi64x.
4228         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4229         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4230         _mm_setr_epi8): Use _mm_set_foo form.
4231         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4232         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4233         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4234         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4235         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4236         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4237         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4238         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4239         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4240         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4241         (_mm_movedup_pd): Use _mm_shuffle_pd.
4242         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4243         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4244         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4245         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4246         Use _mm_setzero_ps.
4247         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4248         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4249         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4250         (_mm_store_ps): Use raw dereference.
4251         (_mm_store1_ps): Use _mm_storeu_ps.
4252         (_mm_storer_ps): Use _mm_store_ps.
4253         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4254         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4255
4256 2005-01-11  Stan Shebs  <shebs@apple.com>
4257
4258         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4259         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4260
4261 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4262
4263         PR target/18761
4264         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4265         Skip all DECLs except for FIELD_DECLs.
4266
4267 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4268
4269         * config/s390/s390.c (override_options): Return error if
4270         -mbackchain, -mpacked-stack and -mhard-float are used together.
4271         (s390_va_start): Remove the backchain && packed-stack special case.
4272         (s390_gimplify_va_arg): Likewise.
4273         * doc/invoke.texi: Remove the ABI incompatibility note.
4274
4275 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4276
4277         * config/s390/s390.c (struct s390_frame_layout): Remove
4278         save_backchain_p.
4279         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4280         save_backchain_p with TARGET_BACKCHAIN.
4281
4282 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4283
4284         PR target/18916
4285         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4286         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4287         * function.c (locate_and_pad_parm): Set new field.
4288         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4289         Tweak where_pad test to include "none".  Always set mem align for
4290         stack_parm.
4291         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4292         not sufficient for type.
4293         (assign_parm_setup_block): If stack_parm is zero on entry, always
4294         make a new stack local.  Block move old stack parm if necessary
4295         to new aligned stack local.
4296         (assign_parm_setup_stack): Use a block move to handle
4297         potentially misaligned entry_parm.
4298         (assign_parms_unsplit_complex): Specify required alignment when
4299         creating stack local.
4300         * calls.c (compute_argument_addresses): Override alignment of stack
4301         arg calculated from its type with the alignment given by
4302         FUNCTION_ARG_BOUNDARY.
4303         (store_one_arg): Likewise.
4304
4305 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4306
4307         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4308         Change respective itanium_class attribute to ialu.
4309         (shladdp4_internal): New.
4310         * config/ia64/predicates.md (shladd_log2_operand): New.
4311
4312 2005-01-11  Richard Henderson  <rth@redhat.com>
4313
4314         * expr.c (store_constructor): Use rtvec_alloc instead of
4315         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4316
4317 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4318
4319         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4320
4321 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4322
4323         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4324         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4325         (TARGET_RWRELOC): Define.
4326         (ia64_rwreloc_section_type_flags): Delete.
4327         (ia64_section_type_flags): New function.
4328         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4329         (TARGET_RWRELOC): Define.
4330
4331 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4332
4333         PR target/18987
4334         * config/ia64/ia64.c (process_set): For alloc insn, only call
4335         process_epilogue is !frame_pointer_needed.
4336
4337 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4338
4339         PR c++/19355
4340         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4341         unary operator and can't be treated as a binary/comparison operator.
4342
4343 2005-01-10  Richard Henderson  <rth@redhat.com>
4344
4345         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4346         (ix86_return_in_memory): Likewise.
4347         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4348         for choosing register to advance.
4349
4350 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4351
4352         * tree-vectorizer.c, tree.def: Fix comment typos.
4353
4354 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4355
4356         * config/s390/s390.c (struct processor_costs): 4 new fields:
4357         ddbr, ddr, debr, der.
4358         (s390_rtx_costs): More precise handling of divide instructions.
4359
4360 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4361
4362         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4363
4364 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4365
4366         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4367         names resulting from -ffunction-sections/-fdata-sections and linkonce
4368         ones.
4369         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4370         based on the section name. Rearrange the section name comparison logic
4371         slightly so that each section name is compared against at most once.
4372
4373 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4374
4375         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4376         targets for which -fPIC reduces limitations on the GOT size.
4377
4378 2005-01-09  Falk Hueffner  <falk@debian.org>
4379
4380         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4381         X/C1 cmpop C2.
4382
4383 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4384
4385         PR target/18720
4386         * collect2.c (main): Set aixrtl_flag for -brtl option.
4387         (resolve_lib_name): Search for .so file extension before .a
4388         if aixrtl_flag set.
4389
4390 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4391
4392         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4393         (vect_analyze_data_refs_alignment): Add dump prints.
4394
4395 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4396
4397         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4398         expr_invariant_in_loop_p.
4399         Initialize outputs first thing in the function.
4400         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4401         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4402         (vect_analyze_pointer_ref_access): Check that the initial condition of
4403         the access function is loop invariant.
4404
4405 2005-01-09  Richard Henderson  <rth@redhat.com>
4406
4407         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4408         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4409         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4410         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4411         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4412         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4413         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4414         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4415         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4416         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4417         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4418         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4419         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4420         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4421         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4422         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4423         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4424         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4425         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4426         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4427         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4428         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4429         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4430         mmx_ prefix.
4431         (mmx_clrdi, pavgusb): Remove.
4432         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4433         with leading sse_ prefix.
4434         * config/i386/sse.md: Receive them.
4435         * config/i386/mmx.md: New file.
4436         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4437         (subrv2sf3): Turn into expander for normal subtraction.
4438         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4439         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4440         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4441         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4442         commutative; use ix86_binary_operator_ok.
4443         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4444         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4445         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4446         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4447         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4448         Macroize from existing patterns; use ix86_binary_operator_ok.
4449         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4450         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4451         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4452         with vec_select+vec_concat.
4453         (mmx_pshufw, mmx_pshufw_1): Likewise.
4454         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4455         (mmx_uavgv4hi3): Model correctly.
4456         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4457         _mm_xor_si64): Remove casts.
4458
4459 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4460
4461         PR tree-optimization/19224
4462         * tree-scalar-evolution.c (get_instantiated_value,
4463         set_instantiated_value): New functions.
4464         (instantiate_parameters_1): Cache the results.
4465         (instantiate_parameters, resolve_mixers): Initialize and free
4466         the cache.
4467
4468 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4469
4470         * config/i386/i386.md (addhi_4): Correct reference in comment.
4471         (addqi_4): Same.
4472
4473 2005-01-08  Richard Henderson  <rth@redhat.com>
4474
4475         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4476         (_mm_cvtsi128_si64x): Likewise.
4477         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4478         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4479         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4480         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4481         * config/i386/i386-protos.h: Update.
4482         * config/i386/i386.c (print_operand): Add 'H'.
4483         (ix86_fixup_binary_operands): Split out from ...
4484         (ix86_expand_binary_operator): ... here.
4485         (ix86_fixup_binary_operands_no_copy): New.
4486         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4487         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4488         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4489         (safe_vector_operand): Use CONST0_RTX.
4490         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4491         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4492         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4493         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4494         special cases.
4495         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4496         (IX86_BUILTIN_CMPNGESS): New.
4497         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4498         (attr type): Add sselog1.
4499         (attr unit, attr memory): Handle it.
4500         (movti, movti_internal, movti_rex64): Move near other integer moves.
4501         (movtf, movtf_internal): Move near other fp moves.
4502         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4503         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4504         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4505         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4506         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4507         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4508         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4509         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4510         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4511         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4512         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4513         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4514         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4515         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4516         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4517         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4518         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4519         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4520         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4521         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4522         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4523         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4524         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4525         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4526         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4527         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4528         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4529         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4530         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4531         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4532         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4533         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4534         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4535         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4536         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4537         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4538         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4539         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4540         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4541         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4542         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4543         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4544         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4545         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4546         same time.
4547         (SSEPUSH, push<SSEPUSH>): Remove.
4548         (MMXPUSH, push<MMXPUSH>): Remove.
4549         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4550         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4551         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4552         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4553         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4554         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4555         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4556         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4557         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4558         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4559         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4560         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4561         (ppro_sse_log_V4SF): Handle sselog1.
4562         * config/i386/predicates.md (const_0_to_1_operand): New.
4563         (const_0_to_255_mul_8_operand): New.
4564         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4565         (const_2_to_3_operand, const_4_to_7_operand): New.
4566         * config/i386/sse.md: New file.
4567         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4568         (sse_movups): Rename from sse_movups_1.
4569         (sse_loadlss): Rename from sse_loadss_1.
4570         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4571         from the name.
4572         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4573         (absv4sf2, negv2df, absv2df): New.
4574         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4575         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4576         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4577         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4578         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4579         (sse3_addsubv4sf3): Model correctly.
4580         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4581         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4582         (sse_movhlps): Model with vec_select+vec_concat.
4583         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4584         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4585         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4586         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4587         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4588         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4589         sse2_pshufhw_1): Likewise.
4590         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4591         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4592         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4593         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4594         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4595         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4596         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4597         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4598         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4599         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4600         sminv8hi3): Mark commutative
4601         operands.  Use ix86_binary_operator_ok.
4602         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4603         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4604         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4605         sse2_punpcklqdq): Allow operand2 in memory.
4606         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4607         sse2_movsd): Add memory alternatives.
4608         (sse_storelps): Turn expander into an insn; split after reload.
4609         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4610         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4611
4612 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4613
4614         * configure.ac (DWARF-2 debug_line): Use objdump.
4615         * configure: Regenerate.
4616
4617 2005-01-08  Jeff Law  <law@redhat.com>
4618             Diego Novillo  <dnovillo@redhat.com>
4619
4620         PR tree-optimization/18241
4621         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4622         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4623         statements with volatile operands.
4624         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4625         operands after marking a statement with has_volatile_ops.
4626
4627 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4628
4629         * tree.c (int_fits_type_p): Always honor integer constant
4630         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4631
4632 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4633
4634         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4635         the latent bug in rtl_delete_block has been resolved.
4636
4637 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4638
4639         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4640         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4641
4642 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4643
4644         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4645         library as @multilib_dir@/$(SHLIB_SONAME).
4646
4647 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4648
4649         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4650         * configure: Regenerate.
4651
4652 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4653
4654         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4655         TYPE_MODE.
4656
4657 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4658
4659         PR target/13674
4660         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4661         Convert non-word aligned offset address using ld/std into
4662         indirect address.
4663
4664 2005-01-07  Richard Henderson  <rth@redhat.com>
4665
4666         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4667
4668 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4669
4670         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4671
4672 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4673
4674         PR tree-optimization/19283
4675         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4676         is not shorter than the original type.
4677
4678         PR rtl-optimization/19012
4679         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4680
4681         PR rtl-optimization/18861
4682         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4683         (FULL_STATE): Define.
4684         (mark_tablejump_edge): New function.
4685         (purge_dead_tablejump_edges): New function.
4686         (find_bb_boundaries): Use it.
4687
4688         PR tree-optimization/18828
4689         * builtins.c (expand_builtin_next_arg): Remove argument and all
4690         the argument checking.
4691         (expand_builtin): Adjust caller.
4692         (expand_builtin_va_start): Likewise.  Remove error for too many
4693         arguments.
4694         (fold_builtin_next_arg): Issue error for too many arguments.
4695         After checking arguments, replace them with magic arguments that
4696         prevent further checking of the args.
4697
4698 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4699
4700         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4701
4702 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4703
4704         PR target/6077
4705         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4706         and %{.S:...} (and their negative variants) to test whether the
4707         input file is assembler or pre-processed-assembler independent of
4708         the actual filename extension.
4709
4710 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4711
4712         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4713         of sign or zero extended values.
4714
4715 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4716
4717         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4718         for IBM long double format correctly.
4719
4720 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4721
4722         Fix PR tree-optimization/18792
4723
4724         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4725         to first_loop_depth, and use loop depth instead of loop number.
4726         (build_classic_dir_vector): Ditto.
4727         (compute_data_dependences_for_loop): Use depth, not loop number.
4728         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4729         number. Pass in loops, instead of loop numbers.
4730         (gather_interchange_stats): Ditto.
4731         (linear_transform_loops): Ditto.
4732
4733 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4734
4735         PR rtl-opt/13299
4736         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4737         biv_fits_mode_p, extension_within_bounds_p): New functions.
4738         (check_ext_dependent_givs): Use them.
4739
4740 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4741
4742         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4743         more than one barrier, in which case we should delete them all.
4744
4745 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4746
4747         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4748
4749 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4750
4751         Fix PR middle-end/19286
4752         Fix PR debug/19267
4753         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4754         output this subprogram, simply ignore this attempt to do it again.
4755         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4756         origin attribute if it's not possible.
4757         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4758         (decls_for_scope): Ditto.
4759         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4760         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4761
4762 2005-01-05  Richard Henderson  <rth@redhat.com>
4763
4764         PR target/11327
4765         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4766         (bdesc_2arg): Use it.
4767         (ix86_expand_binop_builtin): Force operands into registers
4768         when optimizing.
4769         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4770         ix86_expand_sse_compare, ix86_expand_sse_comi,
4771         ix86_expand_builtin): Likewise.
4772
4773 2005-01-05  Richard Henderson  <rth@redhat.com>
4774
4775         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4776         and VEC_SELECT.
4777         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4778         (mulv4hi3): Set itanium_class mmmul.
4779         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4780         (fpack): Rename from fpack_sfsf.
4781
4782 2005-01-05  Richard Henderson  <rth@redhat.com>
4783
4784         PR rtl-opt/10692
4785         * reload1.c (do_input_reload): Restrict the optimization deleteing
4786         a previous output reload to RELOAD_FOR_INPUT.
4787
4788 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4789
4790         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4791         comment that we fall through after case.
4792         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4793         (distribute_links): Likewise.
4794         * cse.c (cse_insn): Likewise.
4795         * cselib.c (cselib_invalidate_mem): Likewise.
4796         * df.c: Update comments at the top of the file.
4797         (read_modify_subreg_p): Update comments here too.
4798         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4799         * flow.c (mark_set_1): Likewise.
4800         (mark_used_regs): Likewise.
4801         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4802         (canon_list_insert): Likewise.
4803         (mark_set): Likewise.
4804         (try_replace_reg): Likewise.
4805         (store_killed_in_insn): Likewise.
4806         * loop.c (count_one_set): Likewise.
4807         (basic_induction_var): Likewise.
4808         * postreload-gcse.c (find_mem_conflicts): Likewise.
4809         * postreload.c (reload_combine_note_store): Likewise.
4810         (move2add_note_store): Likewise.
4811         * reload.c (find_equiv_reg): Likewise.
4812         (mark_referenced_resources): Likewise.
4813         * rtlanal.c (set_noop_p): Likewise.
4814         (note_stores): Likewise.
4815         (note_uses): Likewise.
4816         * sched-deps.c (sched_analyze_1): Likewise.
4817         * sched-rgn.c (check_live_1): Likewise.
4818         (update_live_1): Likewise.
4819         * config/i860/i860.c: Likewise.
4820
4821         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4822         an lvalue.
4823         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4824
4825         * doc/rtl.texi: Update documentation for bit-fields and SET.
4826
4827 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4828
4829         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4830
4831 2005-01-05  Jan Hubicka  <jh@suse.cz>
4832             Richard Henderson  <rth@redhat.com>
4833
4834         PR target/18910
4835         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4836         with an offset.
4837
4838 2005-01-05  Richard Henderson  <rth@redhat.com>
4839
4840         PR target/12902
4841         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4842         (sse_shufps): Change operand 3 to const_int_operand.
4843         (sse2_storelps): Fix typo in template.
4844         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4845         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4846         (ix86_expand_builtin): Likewise.
4847
4848 2005-01-05  Julian Brown  <julian@codesourcery.com>
4849
4850         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4851         as aggregates for AAPCS ABIs.
4852
4853 2005-01-05  Stan Shebs  <shebs@apple.com>
4854
4855         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4856         Mach-O getters if ppc64.
4857         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4858         size argument.
4859         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4860         signed four-byte field for global code case.
4861         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4862
4863 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4864
4865         PR middle-end/19100
4866         * c-common.c: Include real.h.
4867         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4868         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4869         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4870         * Makefile.in (c-common.o): Update dependencies.
4871
4872 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4873
4874         * c-parse.in (asm_string): Add trailing semicolon.
4875
4876 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4877
4878         * c-parse.in (asm_string): New.  Don't allow wide strings in
4879         'asm'.
4880         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4881         asm_string instead of STRING.
4882
4883 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4884
4885         * c-typeck.c (constructor_no_implicit): Remove.
4886         (set_designator, process_init_element): Don't check
4887         constructor_no_implicit.
4888
4889 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4890             Kaz Kojima  <kkojima@gcc.gnu.org>
4891
4892         PR target/16482
4893         * lcm.c (create_pre_exit): New.
4894         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4895         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4896
4897 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4898
4899         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4900         -msoft-float in target_float_switch.
4901         * arm.c (arm_override_options): Fix processing of target_float_switch.
4902
4903 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4904
4905         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4906         preferencing.
4907
4908 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4909
4910         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4911         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4912
4913 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4914
4915         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4916         if deleting the then-block allows the test-block to fallthru to the
4917         else-block.
4918
4919 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4920
4921         PR c/19152
4922         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4923         after the full declaration if the are in two different TUs.
4924
4925 2005-01-04  Richard Henderson  <rth@redhat.com>
4926
4927         PR tree-opt/19158
4928         * tree-sra.c (generate_one_element_init): Just
4929         call gimplify_and_add.
4930         (generate_element_init): Record the
4931         new referenced variables and mark them for renaming
4932         and split out to ...
4933         (generate_element_init_1): This.
4934         (scalarize_init): Don't call push_gimplify_context/
4935         pop_gimplify_context.
4936
4937 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4938
4939         * toplev.c (get_src_pwd): Handle failure of getpwd().
4940
4941 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4942
4943         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4944         of TRUTH_NOT_EXPR.
4945         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4946         all the cases handled by it are inverted by invert_truthvalue.
4947
4948 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4949
4950         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4951         (save_register_windowsi): Likewise.
4952
4953 2005-01-04  Richard Henderson  <rth@redhat.com>
4954
4955         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4956
4957 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4958
4959         PR middle-end/17767
4960         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4961         any simplifications of vector mode comparison operators.
4962         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4963
4964 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
4965             Devang Patel  <dpatel@apple.com>
4966
4967         PR tree-optimization/18308
4968         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4969         the operands before creating a new expression.
4970         * dojump.c (do_jump): Make drop_through_label available
4971         for all cases.  Add expansion of COND_EXPR.
4972
4973 2005-01-04  Ira Rosen  <irar@il.ibm.com>
4974
4975         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4976         INTEGER_CST instead of TREE_CONSTANT.
4977         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4978         instead of TREE_CONSTANT.
4979         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4980         instead of TREE_CONSTANT.
4981
4982 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4983
4984         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4985
4986 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4987
4988         PR target/19240
4989         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4990         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4991
4992 2005-01-03  Richard Henderson  <rth@redhat.com>
4993
4994         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4995         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4996         fold_convert_const_real_from_real): Split out from ...
4997         (fold_convert_const): ... here.
4998
4999 2005-01-03  Richard Henderson  <rth@redhat.com>
5000
5001         PR target/19235
5002         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5003         (mov<MMXMODEI>_internal): Likewise.
5004         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5005         Add V2SF case; use it for SSE1; don't use TI.
5006         (movdf_integer): Likewise.
5007         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5008
5009 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5010
5011         * tree-vectorizer.c (vect_strip_conversions): New function.
5012         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5013         check for binary class.
5014
5015 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5016
5017         Fix PR debug/17924
5018         Fix PR debug/19191
5019         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5020         is a decl.
5021         * gimple-low.c (mark_blocks_with_used_vars): New function.
5022         (mark_blocks_with_used_subblocks): Ditto.
5023         (mark_used_blocks): Ditto.
5024         (pass_mark_used_blocks): New pass.
5025         * tree-inline.c: Include debug.h.
5026         (expand_call_inline): Call outlining_inline_function here.
5027         * tree-optimize.c (init_tree_optimization_passes): Add
5028         pass_mark_used_blocks.
5029         * tree-pass.h (pass_mark_used_blocks): New.
5030         * Makefile.in (tree-inline.o): Add debug.h dependency.
5031
5032 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5033
5034         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5035         VAR_DECLs to have weak_import attribute.
5036
5037         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5038         'struct ucontext'.
5039
5040 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5041
5042         * passes.c (rest_of_compilation): Don't run regmove if only
5043         flag_expensive_optimizations, require flag_regmove instead.
5044
5045 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5046
5047         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5048         register "sparc".
5049         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5050         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5051         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5052         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5053
5054 2005-01-03  Richard Henderson  <rth@redhat.com>
5055
5056         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5057         (ia64_const_ok_for_letter_p): New.
5058         (ia64_const_double_ok_for_letter_p): New.
5059         (ia64_extra_constraint): New.
5060         (ia64_expand_vecint_compare): New.
5061         (ia64_expand_vcondu_v2si): New.
5062         (ia64_expand_vecint_cmov): New.
5063         (ia64_expand_vecint_minmax): New.
5064         (ia64_print_operand): Add 'v'.
5065         (ia64_preferred_reload_class): New.
5066         (ia64_vector_mode_supported_p): New.
5067         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5068         (PREFERRED_RELOAD_CLASS): Move to function.
5069         (CONST_OK_FOR_LETTER_P): Move to function.
5070         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5071         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5072         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5073         (EXTRA_CONSTRAINT): Move to function.
5074         * config/ia64/ia64.md: Include vect.md.
5075         (itanium_class): Add mmalua.
5076         (type): Handle it.
5077         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5078         (1b_mmalua): New.
5079         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5080         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5081         CONST0_RTX.
5082         (const_int_2bit_operand): New.
5083         (fr_reg_or_0_operand): New.
5084         * config/ia64/ia64-modes.def: Add vector modes.
5085         * config/ia64/ia64-protos.h: Update.
5086         * config/ia64/vect.md: New file.
5087
5088 2005-01-03  Richard Henderson  <rth@redhat.com>
5089
5090         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5091
5092 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5093
5094         PR target/19236
5095         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5096         to SFmode.
5097         (log1pdf2): Change mode of operands[0,1] to DFmode.
5098
5099 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5100
5101         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5102         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5103         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5104         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5105         SPARC_RELAXED_ORDERING.
5106
5107 2005-01-03  Richard Henderson  <rth@redhat.com>
5108             Uros Bizjak  <uros@kss-loka.si>
5109
5110         PR target/14631
5111         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5112         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5113         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5114         handling.
5115         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5116         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5117         const_pow2_1_to_128_operand): New predicates.
5118
5119 2005-01-02  Greg McGary  <greg@mcgary.org>
5120
5121         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5122         anonymous decls.
5123         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5124         object.  [ptr_type]: Remove unused variable.
5125         Remember nearest addressable array-element or record-component
5126         when checking bitfield components.  Tolerate empty BIND_EXPR.
5127
5128 2005-01-01  Richard Henderson  <rth@redhat.com>
5129
5130         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5131         that don't narrow the value.  Fail for other conversions.
5132
5133 2005-01-01  Richard Henderson  <rth@redhat.com>
5134
5135         PR c/19031
5136         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5137         * c-lang.c (finish_file): Don't do it here.
5138         * objc/objc-act.c (objc_finish_file): Likewise.
5139
5140         * cgraph.c (decl_assembler_name_equal): New.
5141         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5142         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5143         * cgraph.h (struct cgraph_varpool_node): Add next.
5144         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5145         * varasm.c (assemble_alias): Mark the target as needed.
5146
5147 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5148
5149         PR middle-end/19221
5150         * function.c (get_arg_pointer_save_area): Use entry_of_function
5151         instead of get_insns.
5152
5153 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5154             Andrew Pinski  <pinskia@physics.uc.edu>
5155             James E. Wilson  <wilson@specifixinc.com>
5156
5157         PR rtl-optimization/12092
5158         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5159         is zero.
5160
5161 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5162             Olivier Hainque  <hainque@act-europe.fr>
5163
5164         * tree.c (int_fits_type_p): A narrower type always fits in a
5165         wider one, except for negative values into unsigned types.
5166
5167 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5168
5169         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5170         with the original constant rather than require TREE_OVERFLOW.
5171
5172 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5173
5174         PR middle-end/17544
5175         * c-decl.c (finish_function): If compiling C99, annotate the
5176         compiler generated return with the current file name and line 0.
5177         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5178         the source line is greater than 0.
5179         (remove_bb): Likewise.
5180
5181 See ChangeLog.12 for earlier changes.