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Fix PR tree-optimization/20490
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2
3         Fix PR tree-optimization/20490
4         
5         * tree-ssa-pre.c (create_expression_by_pieces): Use
6         force_gimple_operand on result of fold.
7
8 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9
10         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
11         of closing parenthesis.
12
13 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
14
15         * builtins.c (expand_movstr): Update a call to
16         fold_builtin_strcpy.
17         (expand_builtin_strncpy): Update a call to
18         fold_builtin_strncpy.
19         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
20         arguments of CALL_EXPR.
21         (fold_builtin_1): Update calls to fold_builtin_strcpy and
22         fold_builtin_strncpy.
23         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
24         * tree.h: Update the prototypes of fold_builtin_strcpy and
25         fold_builtin_strncpy.
26
27 2005-03-16  Steven Bosscher  <stevenb@suse.de>
28             Dorit Naishlos  <dorit@il.ibm.com>
29
30         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
31         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
32         error.
33
34 2005-03-16  Steven Bosscher  <stevenb@suse.de>
35
36         * tree-inline.c (walk_type_fields, walk_tree,
37         walk_tree_without_duplicates): Move from here...
38         * tree.c: ...to here.
39
40 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
41
42         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
43         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
44         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
45         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
46         (version): Define using $(BASEVER_c).
47         (Makefile, config.status, build/gcov-iov.o): No longer depends on
48         version.c.
49         (version.o): Depend on version files; add custom generation command.
50         (prefix.o): Define BASEVER on command line.
51         (s-iov): Depend on version files; adjust command.
52         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
53         Add gcc-vers.texi.
54         (gcc-vers.texi): New rule.
55         (doc/%.info, doc/%.dvi): Add -I . to command line.
56         (doc/gccinstall.dvi): Likewise.
57         (PACKAGE): Delete.  All uses replaced with "gcc".
58         * aclocal.m4: Do not include gcc-version.m4.
59         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
60         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
61         Set is_release based on contents of DEV-PHASE.
62         Set gcc_version based on contents of BASE-VER.
63         Define WIN32_REGISTRY_KEY only if the user overrode the default.
64         * config.in, configure: Regenerate.
65         * gccbug.in: Determine version of GCC in use at runtime.
66         * gcov-iov.c: Get version number and development phase from
67         command line, not by including version.c.
68         * intl.c: Replace all uses of PACKAGE with "gcc".
69         * libada-mk.in: Delete unused "gcc_version" variable.
70         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
71         * version.c: (VERSUFFIX): New hook for redistributors; adjust
72         commentary to match.
73         (version_string): Put together from pieces.
74         * config/alpha/x-vms: Do not use $(gcc_version).
75         * config/i386/t-nwld: Likewise.
76         * doc/include/gcc-common.texi: Include gcc-vers.texi for
77         version-GCC and DEVELOPMENT.
78
79 2005-03-15  Roger Sayle  <roger@eyesopen.com>
80
81         PR tree-optimization/17454
82         * tree.c (tree_size): Add case for TREE_BINFO.
83         * fold-const.c (fold_checksum_tree): Only clear the overloaded
84         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
85
86 2005-03-15  Roger Sayle  <roger@eyesopen.com>
87
88         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
89         op1 whilst expanding the signed widenening multiply variant.
90
91 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
92
93         * toplev.c (display_target_options): Avoid unused variable warning if
94         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
95         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
96         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
97         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
98         (mips_isa_info): New variable.
99         (mips_parse_cpu): Remove the first argument and leave the caller
100         to report errors.
101         (TARGET_HANDLE_OPTION): Override default.
102         (mips_handle_option): New function.  Move option validation code from...
103         (override_options): ...here.  Update calls to mips_parse_cpu.
104         * config/mips/mips.h (mips_arch_string, mips_tune_string)
105         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
106         (SUBTARGET_TARGET_OPTIONS): Delete.
107         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
108         (mno-flush-func, mtune=): New options.
109
110 2005-03-15  Roger Sayle  <roger@eyesopen.com>
111             Richard Henderson  <rth@redhat.com>
112
113         * real.c (c4x_single_format, c4x_extended_format): Provide values
114         for signbit_ro for c4x's single and extended floating point formats.
115         * optabs.c (expand_copysign): Use the floating point format's
116         signbit_ro for expanding via expand_copysign_absneg, and it's
117         signbit_rw field for expanding via expand_copysign_bit.
118
119 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
120
121         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
122         known_alignment_for_access_p.
123         (known_alignment_for_access_p): New.
124         (do_peeling_for_alignment): Field made int instead of bool and renamed
125         to peeling_for_alignment.
126         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
127         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
128         functionality used to be in vect_analyze_operations.
129         (vect_analyze_operations): Code to determine vectorization factor was
130         moved to vect_determine_vectorization_factor.
131         (vect_enhance_data_refs_alignment): Update to correct alignment when it
132         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
133         factor.
134         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
135         be part of vect_analyze_operations).
136         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
137         creating the guard condition, as the number of iterations may be
138         constant.
139         (slpeel_tree_peel_loop_to_edge): Use new name of
140         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
141         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
142         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
143         (vect_do_peeling_for_alignment): Use fold.
144         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
145
146         (vect_update_inits_of_dr): Renamed to
147         vect_update_init_of_dr.
148         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
149         (vectorizable_store): Fix assertion to use == instead of =.
150
151 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
152
153         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
154         call_used_regs for wCG registers.
155
156 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
157
158         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
159         for non-offsettable memory references to cope with outstanding reload
160         replacements, take 2.
161
162 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
163
164         PR target/18668
165         * config/i386/i386.h (x86_fisttp): New.
166         (TARGET_FISTTP): New macro.
167         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
168         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
169         instruction when fisttp flag is set.
170         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
171
172         * config/i386/i386.md (type attribute): Add fisttp.
173         (unit attribute): Set to i387 for fisttp type.
174         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
175         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
176         TARGET_FISTTP.
177         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
178         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
179         macros.
180         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
181         patterns for TARGET_FISTTP.  Enable patterns for
182         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
183         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
184         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
185         implement fisttp x87 insn.
186         (fix_trunc*_i387_fisttp splitters): New patterns.
187         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
188         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
189         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
190         clobber.
191         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
192         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
193         Implement using mode macros. Disable patterns for TARGET_FISTTP.
194         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
195         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
196         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
197         Disable patterns for TARGET_FISTTP.
198         (fix_trunc*_i387 splitters): Implement usign mode macros.
199         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
200         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
201         (fix_trunx*_sse peephole2s): Implement using mode macros.
202
203 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
204
205         PR rtl-optimization/20291
206         * combine.c (try_combine): If splitting fails, re-try with
207         original combined pattern, i.e. before clobber stripping.
208
209 2005-03-14  Eric Christopher  <echristo@redhat.com>
210
211         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
212         STACK_GROWS_DOWNWARD.
213
214 2005-03-14  Roger Sayle  <roger@eyesopen.com>
215
216         * real.h (struct real_format): Split the signbit field into two
217         two fields, signbit_ro and signbit_rw.
218         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
219         mips_double_format, ieee_extended_motorola_format,
220         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
221         ieee_extended_intel_128_format, ibm_extended_format,
222         mips_extended_format, ieee_quad_format, mips_quad_format,
223         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
224         i370_double_format, c4x_single_format, c4x_extended_format,
225         real_internal_format): Update initializers for new field.
226         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
227         real_format structure.
228         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
229         field of the real_format structure.
230
231 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
232
233         Fix PR tree-optimization/20458
234
235         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
236         DECL_EXTERNAL on STRUCT_FIELD tags.
237         (clear_call_clobbered): Ditto.
238         * tree-ssa-operands.c (note_addressable): Make sure the original
239         variable doesn't slip into the addressable list if we have
240         subvars.
241         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
242         tags too.
243
244 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
245
246         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
247         (-fwide-exec-charset): Likewise.
248         (-finput-charset): Likewise.
249         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
250         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
251         * c.opt (Wnormalized): New.
252
253 2005-03-14  Devang Patel  <dpatel@apple.com>
254
255         * doc/invoke.texi: Add reference to Visibility document.
256
257 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
258
259         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
260         MASK_SPLIT_ADDRESSES.
261         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
262         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
263         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
264         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
265         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
266         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
267         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
268         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
269         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
270         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
271         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
272         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
273         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
274         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
275         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
276         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
277         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
278         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
279         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
280         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
281         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
282         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
283         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
284         (TARGET_EXPLICIT_RELOCS): Delete.
285         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
286         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
287         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
288         (override_options): Set MASK_LONG64 if -mint64 is given and no
289         -mlongXX option is.  Complain about -mint64 -mlong32.
290         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
291         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
292         * config/mips/mips.opt: New file.
293
294 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
295
296         * config.gcc (extra_options): New variable for listing option files.
297         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
298         * configure.ac (extra_opt_files): New AC_SUBST variable.
299         (tm_file_list, tm_include_list): Include options.h first.
300         * configure: Regenerate.
301         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
302         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
303         (s-options-h): New rule.
304         (options.h): Depend on it.
305         (TEXI_GCCINT_FILES): Add options.texi.
306         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
307         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
308         * target.h (gcc_target): Add default_target_flags and handle_option.
309         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
310         (TARGET_HANDLE_OPTION): New macros.
311         (TARGET_INITIALIZER): Include them.
312         * opt-functions.awk (opt_args, nth_arg): New functions.
313         (switch_flags): Handle the "Target" flag.
314         (var_args): Delete.
315         (var_name): Use opt_args and nth_arg.
316         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
317         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
318         macros for the "Mask" and "InverseMask" options.
319         * opts.h (cl_var_cond): New enum.
320         (cl_option): Replace the "has_set_value" and "set_value" fields with
321         "var_cond" and "var_value".
322         (CL_TARGET): New macro.
323         (option_enabled, print_filtered_help): Declare.
324         (decode_options): Move definition.
325         * opts.c (handle_option): Search for the original option before
326         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
327         var_cond and var_value fields.  Use targetm.handle_option to handle
328         target options.
329         (decode_options): Set target_flags to targetm.default_target_flags.
330         (print_filtered_help): Make global.  Handle CL_TARGET.
331         (option_enabled): New function.
332         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
333         (display_target_options, set_target_switch, print_switch_values)
334         (default_pch_valid_p): Guard uses of target_switches with
335         #ifdef TARGET_SWITCHES.  Also...
336         (display_target_options): Display the CL_TARGET entries in cl_options.
337         (set_target_option): Don't complain about the "" option when
338         TARGET_SWITCHES is undefined.
339         (print_switch_values): Use option_enabled.
340         (default_pch_valid_p): Check cl_options[] when looking for something
341         that has changed the value of target_flags.
342         * c.opt: Remove documentation from top of file.
343         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
344         * doc/sourecebuild.texi: Refer to the new options documentation
345         instead of c.opt.  Document machine-specific .opt files.
346         * doc/tm.texi (target_flags): Say that this variable is declared
347         by options.h.
348         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
349         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
350         an alternative.
351         * doc/options.texi: New file.
352
353 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
354
355         PR middle-end/18628
356         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
357         register.
358
359 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
360
361         PR c++/20280
362         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
363         temporary variable of pointer type if an lvalues is required.
364         (gimplify_modify_expr_rhs): Request an rvalue from it.
365         (gimplify_expr): Pass fallback on.
366
367 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
368
369         * cfgbuild.c: Update comments.
370
371 2005-03-14  Roger Sayle  <roger@eyesopen.com>
372
373         PR rtl-optimization/17236
374         * optabs.c (expand_doubleword_mult): New helper function split out
375         from expand_binop.  Permute the order in which instructions are
376         emitted to minimize the number of simultaneously live registers.
377         (expand_binop): Call expand_doubleword_mult to synthesize a double
378         word multiplication.
379
380 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
381
382         * basic-block.h: Update the prototypes of cached_make_edge and
383         rtl_make_eh_edge.
384         * cfg.c (cached_make_edge): Take edge_cache representing one
385         row of the adjacency matrix of edges.
386         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
387         (make_edges): Initialize edge_cache to represent one row of
388         the adjacency matrix of edges.
389
390 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
391
392         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
393         New functions.
394         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
395         Remove unused removed_phis variable.
396         (conditional_replacement): Use build1/build2.
397         (abs_replacement): Use last_and_only_stmt and build1/build2.
398
399 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
400
401         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
402         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
403         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
404         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
405         * c-common.c (handle_novops_attribute): New function.
406         (c_common_attribute_table): Add "no vops" entry.
407         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
408         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
409         * tree-ssa-operands.c (get_call_expr_operands): Do not
410         create virtual operands for calls with ECF_NOVOPS flag.
411         * tree.h (DECL_IS_NOVOPS): New macro.
412         (struct tree_decl): Add novops_flag.
413         (ECF_NOVOPS): New constant.
414
415 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
416
417         PR target/17688
418         * config/i386/i386.c (x86_use_himode_fiop): New.
419         (x86_use_simode_fiop): Rename from x86_use_fiop.
420         * config/i386/i386.h (x86_use_himode_fiop): Declare.
421         (TARGET_USE_HIMODE_FIOP): New.
422         (x86_use_simode_fiop): Rename from x86_use_fiop.
423         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
424
425         * config/i386/i386.md (X87MODEI12): New mode macro define.
426         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
427         to implement x87 FP compare with HImode input operands.
428         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
429         Use X87MODEI12 mode macro to handle HImode input operands.
430         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
431         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
432         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
433         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
434         macro to implement x87 operators with HImode input operands.
435         (fop splitters): Use X87MODEI12 mode macro to handle HImode
436         input operands.
437
438 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
439
440         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
441         integer_zerop.
442         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
443         constants invariant.
444
445 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
446
447         * basic-block.h (BB_VISITED): Removed.
448         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
449
450 2005-03-14  Falk Hueffner  <falk@debian.org>
451
452         PR bootstrap/20424
453         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
454
455 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
456
457         * ggc-zone.c: Fix comment typos.
458
459         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
460         stringpool.c, config/mips/mips-protos.h: Update copyright.
461
462 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
463
464         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
465         throughout with its typedef, "rtx".
466         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
467         (rs6000_tls_symbol_ref_1): Remove inline keyword.
468         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
469         regs in comment to match code.
470
471 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
472
473         * except.c (check_handled): Make it static.
474         * except.h: Remove the corresponding prototype.
475
476         * function.c (get_func_frame_size): Make it static.
477         * function.h: Remove the corresponding type.
478
479         * regclass.c (reg_class_superclasses, reg_class_subclasses):
480         Make them static.
481         * hard-reg-set.h: Remove the corresponding declarations.
482
483         * tree-cfg.c (verify_stmts): Check that
484         bb_for_stmt (stmt) == bb for every PHI node and statement.
485
486 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
487
488         * config.gcc: Remove excess indentation.
489         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
490
491 2005-03-13  Roger Sayle  <roger@eyesopen.com>
492
493         PR middle-end/19331
494         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
495         * fold-const.c (fold_sign_changed_comparison): Likewise.
496         (fold_binary): Optimize comparisons against widened operands if
497         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
498
499 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
500
501         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
502         (sparc_override_options): Initialize it.
503         (sparc_struct_value_rtx): Set it on the MEM to be returned.
504
505 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
506
507         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
508         (reg_or_none500mem_operand): New predicate.
509         (zero_reg_mem_operand): New predicate.
510         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
511         to reg_or_none500mem_operand.
512         (extendsfdf2_fpr): Add MEM alternative.
513         (extenddftf2_internal): Change operand2 predicate to
514         zero_reg_mem_operand.
515
516 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
517
518         * ggc-zone.c: Rewritten.
519
520         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
521         if there are none.
522         * configure.ac: Define GGC_ZONE for --with-gc=zone.
523         * config.in: Regenerated.
524         * configure: Regenerated.
525         * gengtype.c (write_types_process_field, write_func_for_structure):
526         Pass new argument to gt_pch_note_object.
527         * ggc-common.c (struct ptr_data): Add TYPE.
528         (gt_pch_note_object): Take TYPE argument and save it.
529         (call_count): Update call to ggc_pch_count_object.
530         (call_alloc): Update call to ggc_pch_alloc_object.
531         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
532         file.
533         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
534         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
535         (ggc_alloc_zone_stat): Delete.
536         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
537         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
538         (ggc_pch_alloc_object): Update prototypes.
539         (garbage_zone): Delete.
540         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
541         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
542         pointers.
543         (tree_id_zone): New variable.
544         (ggc_alloc_cleared_zone): Remove unused.
545         (ggc_alloc_zone): Define.
546         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
547         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
548         ggc_alloc_zone_stat.
549         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
550         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
551         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
552         (make_node_stat): Likewise.  Use tree_id_zone.
553
554 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
555             Joseph S. Myers  <joseph@codesourcery.com>
556
557         * configure.ac: Check for MIPS TLS.
558         * configure: Regenerated.
559         * config/mips/mips-protos.h (enum mips_symbol_type): Add
560         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
561         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
562         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
563         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
564         (mips_classify_symbol, mips_symbolic_constant_p)
565         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
566         (mips_tls_operand_p, mips_call_tls_get_addr)
567         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
568         (mips_tls_symbol_ref_1): New functions.
569         (mips_legitimize_address, mips_legitimize_const_move): Call
570         mips_legitimize_tls_address.
571         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
572         for MIPS16.
573         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
574         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
575         (mips_char_to_class): Document V1_REG.
576         (HAVE_AS_TLS): Provide default.
577         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
578         constants.
579         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
580         !TARGET_ABICALLS.
581         (tls_get_tp_<mode>): New instruction.
582
583 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
584
585         * configure.ac: Update checks for target tools.
586         * configure: Regenerated.
587
588 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
589
590         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
591
592 2005-03-13  Roger Sayle  <roger@eyesopen.com>
593
594         * expmed.c (expand_mult): Use synthetic multiplication sequences for
595         more classes of DImode multiplication by constant.  Allow both
596         multiplication by small negative constants (by performing a
597         multiplication by a positive constant and negating the result) and
598         multiplications by large powers of two, by using a left shift.
599
600 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
601
602         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
603         of basic blocks into work_stack.
604
605         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
606         config/mips/vr.h: Update copyright.
607
608         * c-decl.c (c_init_decl_processing): Remove useless calls to
609         build_function_type.
610
611         * builtins.c (fold_trunc_transparent_mathfn,
612         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
613         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
614         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
615         fold_builtin_strcpy, fold_builtin_strncpy,
616         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
617         TREE_TYPE (exp).
618
619         * builtins.c (expand_builtin_mathfn_3): Remove local variable
620         before_call.
621
622         * lambda-code.c (lambda_compute_auxillary_space): Remove local
623         variable determinant.
624
625         * tree-cfg.c (group_case_labels): Remove local variable type.
626
627         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
628         variable ann.
629
630         * tree-ssa-phiopt.c (value_replacement): Remove local variable
631         result.
632
633 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
634
635         PR target/18251
636         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
637         (*movmemqi_insn): Delete.
638         (*movmemhi): Delete.
639
640 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
641
642         * builtins.c (fold_builtin_classify): Take decomposed
643         arguments of CALL_EXPR.
644         (fold_builtin_1): Update a call to fold_builtin_classify.
645
646 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
647
648         PR c/20402
649         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
650         through into call to parser_xref_tag after parse error.
651         (c_parser_struct_declaration): Consistently return NULL_TREE on
652         error.
653
654 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
655
656         * tree-flow-inline.h (ref_contains_array_ref): New function.
657         (lookup_subvars_for_var): Ditto.
658         (get_subvars_for_var): Ditto.
659         (var_can_have_subvars): Ditto.
660
661         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
662         (struct subvar): New type.
663
664         * tree-dfa.c (okay_component_ref_for_subvars): New function.
665
666         * tree-optimize.c (init_tree_optimization_passes): Call
667         pass_create_structure_vars.
668
669         * tree-ssa-alias.c: Include vec.h.
670         (init_alias_info): Don't auto-clear call clobbered on struct-field
671         tags.
672         (compute_flow_insensitive_aliasing): Handle subvars.
673         (group_aliases): Handle STRUCT_FIELD aliases.
674         (setup_pointers_and_addressables): Ditto.
675         Don't mark variables non-addressable if they still have
676         addressable subvars.
677         Also mark subvars addressable when the real variable is marked
678         addressable.
679         (add_pointed_to_var): Try to prune the pointed-to set by only
680         pointing to subvars when possible.
681         Otherwise, make sure we set addresses_needed and pt_vars to
682         properly include subvars.
683         (bitpos_of_field): New function.
684         (push_fields_onto_fieldstack): Ditto.
685         (get_or_create_used_part_for): Ditto.
686         (create_overlap_variables_for): Ditto.
687         (find_used_portions): Ditto.
688         (create_structure_vars): Ditto.
689         (pass_create_structure_vars): New structure.
690
691         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
692         (get_expr_operands): Handle subvars.  Also try to turn
693         COMPONENT_REF accesses into must-defs now that we can accurately
694         portray it.
695         (note_addressable): Try to only mark as addressable those subvars
696         we know a COMPONENT_REF touches.
697         (overlap_subvar): New function.
698
699         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
700         Handle subvar storing.
701         (vect_address_analysis): Update caller of vect_object_analysis.
702
703         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
704
705         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
706         (STMT_VINFO_SUBVARS): New macro.
707
708         * common.opts: add flag_tree_salias.
709
710         * opts.c (decode_options): flag_tree_salias defaults to on.
711
712         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
713
714         * doc/tree-ssa.texi: Document structural alias analysis.
715
716 2005-03-12  Steven Bosscher  <stevenb@suse.de>
717
718         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
719         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
720         * tree-ssa-operands.c (get_expr_operands): Likewise.
721         (get_expr_operands): Likewise for ERROR_MARK.
722
723 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
724
725         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
726         var.
727
728         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
729         removed_phis.
730
731         * tree-ssa-pre.c (compute_avail): Remove local variable val.
732         (mark_operand_necessary): Remove local variable ver.
733
734         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
735         variable prefix_len.
736
737         * value-prof.c (mod_subtract_transform): Remove local variable
738         value.
739
740         * builtins.c (fold_builtin_exponent): Take decomposed
741         arguments of CALL_EXPR.
742         (fold_builtin_1): Update a call to fold_builtin_exponent.
743
744         * builtins.c (fold_builtin_logarithm): Take decomposed
745         arguments of CALL_EXPR.
746         (fold_builtin_1): Update a call to fold_builtin_logarithm.
747
748         * c-decl.c (c_init_decl_processing): Remove local variables
749         ptr_ftype_void and ptr_ftype_ptr.
750
751         * gimplify.c (gimplify_expr): Remove local variables r0 and
752         r1.
753
754         * reg-stack.c (move_for_stack_reg): Remove local variable
755         push_insn.
756         (compare_for_stack_reg): Remove local variable flags_user.
757         (convert_regs_1): Remove local variable deleted.
758
759         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
760         variable new_cond.
761         (combine_blocks): Remove local variables exits and new_e.
762
763         * tree-inline.c (expand_call_inline): Remove local variable
764         decl.
765
766         * tree-ssa-live.c (create_ssa_var_map,
767         calculate_live_on_entry): Remove local variable snn.
768
769 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
770
771         * c-lex.c (c_lex_with_flags): Add parameter to call to
772         cpp_spell_token.
773
774 2005-03-11  Per Bothner  <per@bothner.com>
775
776         * c-tree.h (struct c_declarator): New id_loc field.
777         * c-pragma.h (c_lex_with_flags): Take position reference.
778         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
779         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
780         (c_lex): Pass dummy location to c_lex_with_flags.
781         * c-parser.c (c_lex_one_token): Set c_token's location using
782         c_lex_with_flags, instead of input_location, which might be "ahead".
783         (c_parser_direct_declarator): Set declarator's id_loc from
784         c_token's id_loc.
785         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
786         declarator's id_loc, rather than probably-imprecise input_location.
787         (build_id_declarator): Initialize c_declarator's id_loc field.
788
789 2005-03-11  Roger Sayle  <roger@eyesopen.com>
790
791         PR middle-end/20419
792         * builtins.c (expand_builtin_signbit): Force the signbit's word
793         into an integer register to avoid SUBREGs of floating point modes.
794
795 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
796
797         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
798         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
799         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
800         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
801
802 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
803
804         PR rtl-optimization/20306
805         * expr.c (emit_move_complex): Set try_int false if mode is
806         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
807         emit_block_move if try_int is true.
808
809 2005-03-11  Richard Henderson  <rth@redhat.com>
810
811         PR target/20415
812         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
813         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
814         to match.
815
816 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
817
818         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
819         (TARGET_FIX_VR4130): New macro.
820         (TARGET_OPTIONS): Add -mfix-vr4130.
821         (ISA_HAS_MACCHI): New macro.
822         (ASM_SPEC): Add -mfix-vr4130.
823         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
824         (override_options): Handle mips_fix_vr4130_string.
825         (mips_avoid_hazards): Clear all_noreorder_p
826         if we're working around VR4130 errata and the macc alternatives
827         are not available.
828         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
829         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
830         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
831         (MULTILIB_DEFAULTS): Remove leading "march=".
832         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
833         if no architecture option is given.
834         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
835         VR4130 multilibs.
836         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
837         * doc/invoke.texi: Document -mfix-vr4130.
838
839 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
840
841         * config/mips/mips.c (override_options): Only warn about -mint64
842         deprecation if TARGET_INT64.
843
844 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
845
846         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
847         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
848         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
849         are non-specific regarding the nonnull parameter positions.
850         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
851         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
852         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
853         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
854
855         * builtins.def: Use the non-specific "nonnull" attibute lists.
856
857 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
858
859         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
860         single_pred_edge, single_succ, single_pred): Improve comments.
861
862 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
863
864         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
865         single_pred_edge, single_succ, single_pred): New inline functions.
866         * bb-reorder.c (rotate_loop, find_traces_1_round,
867         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
868         duplicate_computed_gotos): Use the single_succ/pred functions.
869         * cfganal.c (forwarder_block_p): Ditto.
870         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
871         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
872         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
873         merge_seq_blocks): Ditto.
874         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
875         * cfglayout.c (fixup_reorder_chain): Ditto.
876         * cfgloop.c (mark_single_exit_loops, update_latch_info,
877         canonicalize_loop_headers, verify_loop_structure): Ditto.
878         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
879         mfb_update_loops, create_preheader, force_single_succ_latches,
880         create_loop_notes): Ditto.
881         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
882         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
883         commit_one_edge_insertion, purge_dead_edges,
884         cfg_layout_can_merge_blocks_p): Ditto.
885         * except.c (sjlj_emit_function_enter): Ditto.
886         * flow.c (init_propagate_block_info): Ditto.
887         * function.c (thread_prologue_and_epilogue_insns): Ditto.
888         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
889         insert_insn_end_bb): Ditto.
890         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
891         find_if_case_2): Ditto.
892         * lambda-code.c (perfect_nestify): Ditto.
893         * lcm.c (optimize_mode_switching): Ditto.
894         * loop-doloop.c (doloop_modify): Ditto.
895         * loop-init.c (loop_optimizer_init): Ditto.
896         * loop-iv.c (simplify_using_initial_values): Ditto.
897         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
898         * loop-unswitch.c (unswitch_loop): Ditto.
899         * modulo-sched.c (generate_prolog_epilog): Ditto.
900         * predict.c (combine_predictions_for_insn, estimate_probability,
901         tree_estimate_probability, last_basic_block_p,
902         estimate_bb_frequencies): Ditto.
903         * profile.c (branch_prob): Ditto.
904         * regrename.c (copyprop_hardreg_forward): Ditto.
905         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
906         * tracer.c (layout_superblocks): Ditto.
907         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
908         cfg_remove_useless_stmts_bb, cleanup_control_flow,
909         cleanup_control_expr_graph, disband_implicit_edges,
910         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
911         tree_verify_flow_info, tree_make_forwarder_block,
912         tree_forwarder_block_p, remove_forwarder_block,
913         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
914         * tree-if-conv.c (tree_if_conversion): Ditto.
915         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
916         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
917         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
918         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
919         copy_loop_headers): Ditto.
920         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
921         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
922         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
923         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
924         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
925         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
926         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
927         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
928         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
929         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
930         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
931         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
932         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
933         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
934         slpeel_add_loop_guard): Ditto.
935
936 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
937
938         PR tree-optimization/15784
939         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
940         and -1 - A to ~A.
941
942         * stmt.c (expand_case): Don't change index_type.  Convert minval
943         to the proper type.
944
945         PR tree-optimization/20130
946         * fold-const.c (fold): Fold x * -1 into -x.
947
948 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
949
950         PR rtl-optimization/20331
951         * rtlanal.c (modified_between_p): Check its address first for MEM.
952         (modified_in_p): Likewise.
953
954 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
955
956         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
957
958 2005-03-10  Steven Bosscher  <stevenb@suse.de>
959
960         * expr.c (expand_expr_real_1): If possible, use a conditional
961         move for expanding MIN_EXPR and MAX_EXPR.
962         Use temp for moving around rtx-en.
963
964 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
965
966         PR rtl-opt/20412
967         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
968         correct mode.
969
970 2005-03-10  Roger Sayle  <roger@eyesopen.com>
971
972         * builtins.c (expand_builtin_signbit): Extend to handle floating
973         point modes wider than the largest integer type, using the
974         operand_subword_force function to obtain the signbit's word.
975
976 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
977
978         PR target/20322
979         * combine.c (try_combine): If recog_for_combine added CLOBBERs
980         to NEWI2PAT, fail to combine if they are used by NEWPAT.
981
982 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
983
984         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
985
986 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
987
988         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
989         type void.
990         (perform_edge_inserts): Unconditionally call
991         free_dominator_info.
992
993         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
994
995 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
996
997         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
998
999 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1000
1001         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1002
1003         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1004         gcc_unreachable.
1005         (rtl_register_value_prof_hooks,
1006         tree_value_profile_transformations,
1007         tree_register_value_prof_hooks): Likewise.
1008         * var-tracking.c (stack_adjust_offset_pre_post,
1009         variable_htab_free, variable_union, dataflow_set_different_2,
1010         count_uses, variable_was_changed, set_frame_base_location,
1011         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1012         vt_add_function_parameters): Likewise.
1013         * varasm.c (named_section_real, named_section, make_decl_rtl,
1014         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1015         const_hash_1, compare_constant, copy_constant, force_const_mem,
1016         output_constant_pool_2, output_constant_pool_1, output_constant,
1017         output_constructor, make_decl_one_only, decl_tls_model,
1018         default_no_named_section, default_elf_select_section_1,
1019         default_unique_section_1): Likewise.
1020         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1021         * vmsdbgout.c (addr_const_to_string): Likewise.
1022
1023         PR c++/20375
1024         * function.c (struct assign_parm_data_one): Remove last_named
1025         field.
1026         (assign_parm_find_data_types): Don't determine last_named.
1027         Reorder named_parm determination.
1028         (assign_parms): Only setup varargs on the last non-varadic
1029         parameter.
1030
1031 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1032
1033         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1034         sda base address on medium model.
1035
1036 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1037
1038         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1039         * cfgloop.c (flow_loop_nodes_find): Export.
1040         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1041         Declare.
1042         * cfgloopmanip.c (fix_loop_structure): New function.
1043         * predict.c (predict_loops): Clean up the loops information.
1044         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1045         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1046         loop structure.
1047         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1048         (rewrite_into_loop_closed_ssa): Declaration changed.
1049         * tree-loop-linear.c (linear_transform_loops): Add argument to
1050         rewrite_into_loop_closed_ssa call.
1051         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1052         * tree-ssa-loop-im.c (move_computations): Ditto.
1053         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1054         * tree-vectorizer.c (vectorize_loops): Ditto.
1055         * tree-optimize.c: Include cfgloop.h.
1056         (execute_todo): Choose whether to call cleanup_tree_cfg or
1057         cleanup_tree_cfg_loop.
1058         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1059         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1060         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1061         cleanup_tree_cfg_loop call.
1062         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1063         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1064         work on part of cfg.
1065
1066 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1067
1068         PR inline-asm/20314
1069         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1070         with multiple alternatives.
1071
1072         * stmt.c (parse_output_constraint): Fix a typo.
1073
1074 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1075
1076         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1077         assembly directive instead of deprecated "no-generics".
1078
1079 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1080
1081         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1082         for non-offsettable memory references to cope with outstanding reload
1083         replacements.
1084         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1085         avoid losing outstanding address reloads.
1086         ("reload_outdi", "reload_outdf"): Likewise.
1087
1088 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1089
1090         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1091         code.  Add more cbrt transformations.
1092
1093 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1094
1095         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1096
1097 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1098
1099         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1100         NULL_TREE when a given tree is not simplified.
1101         (fold): Return the original tree when any of the functions
1102         mentioned above NULL_TREE.
1103
1104         * fold-const.c (fold_unary, fold_binary): Take decomposed
1105         arguments, code, type, op0, and op1 in case of fold_binary.
1106         (fold): Update calls to fold_unary and fold_binary.
1107
1108 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1109
1110         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1111         a fndecl and an arglist instead of a CALL_EXPR, exp.
1112
1113 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1114
1115         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1116
1117         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1118
1119         * expr.c (expand_assignment): Remove orig_to_rtx.
1120
1121         * fold-const.c (int_const_binop): Remove no_overflow.
1122
1123         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1124
1125         * loop-iv.c (get_biv_step_1): Remove lhs.
1126
1127         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1128
1129         * real.c (real_nan): Remove neg.
1130
1131         * function.c (thread_prologue_and_epilogue_insns): Remove i
1132         and newinsn.
1133
1134         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1135         tb.
1136
1137         * tree-eh.c (tree_could_trap_p): Remove idx.
1138
1139         * tree-into-ssa.c (ann): Remove ann.
1140
1141         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1142
1143         * tree-sra.c (decide_block_copy): Remove inst_count.
1144
1145         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1146
1147         * tree-ssa-loop-im.c (lhs): Remove.
1148
1149         * cfgbuild.c (state, STATE, SET_STATE,
1150         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1151         make_edges.
1152         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1153         (find_basic_blocks): Set the state of each basic block to
1154         BLOCK_NEW.
1155
1156 2005-03-08  Jeff Law  <law@redhat.com>
1157
1158         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1159         goto results in the removal of edges in the CFG, then we need
1160         to recompute dominators.
1161
1162 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1163
1164         * c-common.c (c_do_switch_warnings): Comment fix.
1165
1166 2005-03-08  Julian Brown  <julian@codesourcery.com>
1167
1168         * Patch from 2005-03-08 reverted for causing regressions and
1169         ppc-darwin bootstrap failure.
1170
1171 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1172
1173         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1174         Define the real function for ppc-darwin.
1175         * c-typeck.c (convert_arguments): Check for target-specific
1176         invalid argument call to unprototyped function.
1177         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1178         New Macro.
1179         * target.h (invalid_arg_for_unprototyped_fn): New field
1180         in struct calls.
1181         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1182         default target hook.
1183         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1184         Declare.
1185
1186 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1187
1188         * c-typeck.c (constructor_stack, constructor_range_stack,
1189         initializer_stack): Make them static.
1190
1191         * cfg.c (rbi_pool): Make it static.
1192
1193         * gimple-low.c (lower_stmt_body): Make it static.
1194         * tree-flow.h: Remove the corresponding prototype.  Don't
1195         declare lower_data.
1196
1197         * sched-deps.c (cache_size): Make it static.
1198
1199         * stor-layout.c (lang_adjust_rli): Make it static.
1200
1201 2005-03-08  Julian Brown  <julian@codesourcery.com>
1202
1203         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1204         from being used for symbols with vague linkage when
1205         HAVE_GAS_COMDAT_GROUP is true.
1206
1207 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1208
1209         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1210         nlabel == JUMP_LABEL (jump).
1211
1212 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1213
1214         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1215         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1216         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1217         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1218
1219 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1220
1221         PR c/14411
1222         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1223         * c-common.c (handle_returns_twice): New function.
1224         (c_common_attribute_table): Declare eturns_twice' attribute.
1225         * doc/extend.texi: Document eturns_twice' attribute.
1226         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1227         (struct tree_decl): Add returns_twice_flag.
1228
1229 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         * tree-ssa-phiopt.c: Fix a comment typo.
1232
1233         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1234         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1235         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1236         copyright.
1237
1238 2005-03-08  Richard Henderson  <rth@redhat.com>
1239
1240         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1241         builtin codes with ctzdi2, clzdi2, popcountdi2.
1242         (struct alpha_builtin_def): Add is_const.
1243         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1244         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1245         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1246         on builtins.
1247         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1248         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1249         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1250         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1251         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1252         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1253         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1254         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1255         (TARGET_FOLD_BUILTIN): New.
1256         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1257         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1258         (ffsdi2): Use ctz.
1259         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1260
1261 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1262
1263         PR tree-optimization/20122
1264         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1265         condition of access function instead of base.
1266
1267 2005-03-07  Jeff Law  <law@redhat.com>
1268             Steven Bosscher  <stevenb@suse.de>
1269
1270         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1271         (find_taken_edge): Call find_taken_edge_computed_goto as
1272         appropriate.  Allow any gimple invariant rather than just
1273         INTEGER_CST for VAL.
1274         (cleanup_control_flow): Cleanup a computed goto which has turned
1275         into a simple goto.
1276         (tree_merge_blocks): If block B has any forced labels, move
1277         them to the start of block A.
1278         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1279         computed gotos as well.
1280         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1281         removal of unnecessary computed gotos too.
1282         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1283         updated.
1284
1285 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1286
1287         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1288         Remove trailing spaces.
1289
1290         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1291         unshare_all_trees): Make them static.
1292         * tree-gimple.h: Remove the corresponding prototypes.
1293
1294         * diagnostic.h: Remove unused prototype
1295         debug_output_buffer.
1296         * modulo-sched.c: Remove unused prototype
1297         set_row_column_for_ps.
1298
1299         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1300         replace_phi_edge_with_variable): Remove unused variable i.
1301
1302 2005-03-07  Per Bothner  <per@bothner.com>
1303
1304         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1305
1306 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1307
1308         PR tree-opt/17671
1309         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1310         bbs on the COND_EXPR instead of the PHI_NODEs.
1311         (candidate_bb_for_phi_optimization): Remove.
1312         (replace_phi_with_stmt): Rename to ...
1313         (replace_phi_edge_with_variable): this and change so that we
1314         replace the phi argument instead of removing the PHI.
1315         (conditional_replacement): Change so we deal with PHI with more
1316         than two arguments.
1317         (value_replacement): Likewise.
1318         (abs_replacement): Likewise.
1319
1320 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1321
1322         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1323         output_e500_flip_gt_bit.
1324
1325         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1326         as bit 31.
1327         (rs6000_generate_compare): Fix logic to look at the correct bits.
1328         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1329         Look at GT bit.
1330         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1331         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1332         gen_move_from_CR_gt_bit.
1333
1334         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1335         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1336         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1337
1338         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1339         (E500_CR_IOR_COMPARE): New constant.
1340
1341 2005-03-08  Earl Chew <earl_chew@agilent.com>
1342             David Billinghurst <David.Billinghurst@riotinto.com>
1343
1344         * config/i386/host-cygwin.c: New file to support precompiled
1345         headers on cygwin
1346         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1347         * config.host: Use above files for cygwin host.
1348
1349 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1350
1351         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1352         ordering ops from earlier change.
1353
1354 2005-03-07  Per Bothner  <per@bothner.com>
1355
1356         Various fixes to allow us to again build if --enable-mapped-location:
1357         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1358         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1359         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1360         local variable loc. Change logic appropriately.
1361         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1362         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1363         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1364         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1365         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1366
1367 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1368
1369         PR rtl-optimization/19683
1370         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1371         number of bytes, to smallest_int_for_mode.  Fix arguments to
1372         REG_CANNOT_CHANGE_MODE_P.
1373
1374 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1375
1376         * reorg.c (relax_delay_slots): Check that the jump is
1377         conditional before trying to invert it.
1378
1379 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1380
1381         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1382         Make them static.
1383
1384         * calls (stack_arg_under_construction): Make it static.
1385
1386         * flow.c (regs_live_at_setjmp): Make it static.
1387         * flow.h: Remove the corresponding prototype.
1388
1389         * reload1.c (reload_startobj, reload_firstobj,
1390         something_needs_operands_changed, reload_inherited,
1391         reload_inheritance_insn, reload_override_in,
1392         reload_spill_index): Make them static.
1393
1394         * recog.c (verify_changes): Make it static.
1395         * recog.h: Remove the corresponding prototype.
1396
1397         * cfgbuild.c (find_sub_basic_blocks): Remove.
1398         * basic-block.h: Remove the corresponding prototype.
1399         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1400         in comments.
1401         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1402
1403         * tree-ssa-operands.c (check_build_stmt): Remove.
1404
1405         * stor-layout.c (set_alignment): Remove.
1406         * tree.h: Remove the corresponding prototype.
1407
1408         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1409
1410         * tree-ssa-dce.c (control_dependence_map,
1411         visited_control_parents): Make them static.
1412
1413         * cfghooks.c (verify_flow_info): Remove local variable
1414         num_bb_notes.
1415
1416         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1417         last_bb_seen.
1418
1419         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1420
1421 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1422
1423         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1424
1425 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1426
1427         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1428         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1429         PARALLEL for an empty structure.
1430
1431 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1432
1433         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1434
1435         * fold-const.c (fold_binary): Unroll the very first "for"
1436         loop.
1437
1438 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1439
1440         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1441         redundant match_code test.
1442         (scc_comparison_operator): Swap match_operand and match_code
1443         tests.
1444         (branch_positive_comparison_operator): Same.
1445         (trap_comparison_operator): Use comparison_operator and swap with
1446         match_code test.
1447
1448 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1449
1450         PR target/20288
1451         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1452         (out_movhi_r_mr): Read low byte of volatile MEM first.
1453         (out_movhi_mr_r): Write high byte of volatile MEM first.
1454
1455 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1456
1457         * cselib.c (reg_values, reg_values_size): Make them static.
1458
1459         * cse.c (cse_reg_info_table): Make it static.
1460
1461         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1462
1463 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1464
1465         * cse.c (find_best_addr): Use canon_for_address.
1466
1467 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1468
1469         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1470         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1471         SUBREG and MEM, respectively.
1472
1473         * fold-const.c (fold_binary): Use code instead of t.
1474
1475         * fold-const.c (optimize_minmax_comparison): Take decomposed
1476         arguments code, type, op0, and op1 instead of t.
1477         (fold_binary): Update a call to optimize_minmax_comparison.
1478
1479         * fold-const.c (fold_range_test): Take decomposed arguments
1480         code, type, op0, and op1 instead of t.
1481         (fold_binary): Update a call to fold_range_test.
1482
1483         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1484         decomposed arguments code, type, op0, and op1 instead of t.
1485         (fold_binary): Update a call to fold_range_test.
1486
1487 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1488
1489         * fold-const.c (fold_binary): Avoid directly using the original
1490         expression t as much as possible.
1491
1492 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1493
1494         * c-semantics.c (build_stmt): Use TYPE_P instead of
1495         IS_NON_TYPE_CODE_CLASS.
1496         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1497         (NON_TYPE_CHECK): Use TYPE_P instead of
1498         IS_NON_TYPE_CODE_CLASS.
1499
1500         * fold-const.c (fold): Remove handling of binary expressions.
1501
1502 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1503
1504         * doc/c-tree.texi: Wrap comments in @r{}.
1505         * doc/cpp.texi: Likewise.
1506         * doc/cppinternals.texi: Likewise.
1507         * doc/extend.texi: Likewise.
1508         * doc/md.texi: Likewise.
1509         * doc/objc.texi: Likewise.
1510         * doc/sourcebuild.texi: Likewise.
1511         * doc/tm.texi: Likewise.
1512         * doc/tree-ssa.texi
1513
1514 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1515
1516         * predict.c (apply_return_prediction): Standardize PHI chain
1517         walking.
1518         * tree-ssa.c (ssa_redirect_edge): Likewise.
1519
1520         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1521         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1522         Update copyright.
1523
1524         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1525         * tree-flow.h: Adjust the prototype for remove_phi_node.
1526         * lambda-code.c (perfect_nestify): Adjust a call to
1527         remove_phi_node.
1528         * tree-cfg.c
1529         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1530         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1531         Likewise.
1532         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1533         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1534         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1535         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1536
1537         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1538         of GEN_INT (trunc_int_for_mode (...)).
1539         * loop-iv.c (iv_number_of_iterations): Likewise.
1540         * postreload.c (reload_cse_move2add): Likewise.
1541         * simplify-rtx.c (simplify_const_unary_operation,
1542         simplify_const_binary_operation): Likewise.
1543         * stor-layout.c (get_mode_bounds): Likewise.
1544
1545         * fold-const.c (fold_binary): New.
1546         (fold): Call fold_binary on binary expressions.
1547
1548 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1549
1550         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1551         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1552         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1553         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1554         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1555
1556 2005-03-04  Devang Patel  <dpatel@apple.com>
1557
1558         PR tree-optimization/18815
1559         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1560         loops with zero exit edges.
1561
1562 2005-03-04  Devang Patel  <dpatel@apple.com>
1563
1564         * doc/invoke.texi: Remove reference to webpage that does not exist.
1565
1566 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1567             Joseph S. Myers  <joseph@codesourcery.com>
1568
1569         PR c++/19797
1570         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1571         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1572         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1573         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1574         maybe_get_identifier instead of get_identifier.
1575         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1576         (struct deferred_plabel): Replace name field with symbol field.
1577         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1578         ASM_OUTPUT_EXTERNAL_REAL is defined.
1579         (output_global_address): Use output_addr_const for output of all
1580         symbol_refs.
1581         (output_deferred_plabels): Use symbol_ref instead of name for address
1582         output.
1583         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1584         ASM_OUTPUT_SYMBOL_REF): New macros.
1585         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1586         comment.
1587         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1588         label.
1589
1590 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1591
1592         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1593         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1594
1595 2005-03-04  Jeff Law  <law@redhat.com>
1596
1597         * basic-block.h (rediscover_loops_after_threading): Declare.
1598         * tree-ssa-dom.c: Include cfgloop.h.
1599         (tree_ssa_dominator_optimize): Discover loops and some basic
1600         properties.  Remove forwarder blocks recreated by loop header
1601         canonicalization.  Also mark backedges in the CFG.
1602         * tree-ssa-threadupdate.c: Include cfgloop.h
1603         (rediscover_loops_after_threading): Define.
1604         (struct local_info): New field, JUMP_THREADED.
1605         (prune_undesirable_thread_requests): New function.
1606         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1607         then record that fact for the callers of redirct_edges.
1608         (thread_block): If BB has incoming backedges, then call
1609         prune_undesirable_thraed_requests.    Note when we are
1610         going to have to rediscover loop information.  Return a
1611         boolean indicating if any jumps were threaded.
1612         (thread_through_all_blocks): Bubble up boolean indicating
1613         if any jumps were threaded.
1614         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1615         (tree-ssa-threadupdate.o): Similarly.
1616
1617 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1618
1619         * fold-const.c (fold_ternary): Unroll the "for" loop to
1620         extract operands.
1621
1622 2005-03-04  Andrew Haley  <aph@redhat.com>
1623
1624         * unwind-dw2-fde-glibc.c (struct
1625         unw_eh_callback_data.check_cache): New field.
1626         (frame_hdr_cache): New.
1627         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1628         Cache frame header info.
1629
1630 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1631
1632         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1633         (print_c_condition): Declare.
1634         * read-rtl.c (ptr_loc): New structure.
1635         (ptr_locs, ptr_loc_obstack, joined_conditions)
1636         (joined_conditions_obstack): New variables.
1637         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1638         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1639         (join_c_conditions, print_c_condition): New functions.
1640         (apply_macro_to_string): Associate the new string with the same
1641         source location as the old one.
1642         (add_condition_to_string): Use join_c_conditions.
1643         (read_string): Use set_rtx_ptr_loc to record a filename and line
1644         number for the string.
1645         (read_rtx): Initialize the new variables above.
1646         * genattrtab.c (write_test_expr, write_attr_value): Use
1647         print_c_condition.
1648         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1649         comment above the GCC_VERSION check.
1650         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1651         Inline the definition of MAYBE_EVAL.
1652         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1653         * genoutput.c (process_template): Likewise.
1654         * genpreds.c (write_predicate_subfunction): Likewise.
1655         (write_predicate_expr): Use print_c_condition.
1656         * genrecog.c (write_cond): Likewise.
1657         * gensupport.c (process_rtx): Use join_c_conditions to join the
1658         conditions of a define_insn_and_split.  Record a source location
1659         for the string after the "&&".
1660         (alter_test_for_insn): Use join_c_conditions.
1661
1662 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1663
1664         Revert for now:
1665         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1666         PR tree-optimization/15784
1667         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1668         and -1 - A to ~A.
1669
1670 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1671
1672         * gcc.c (option_map): Add --coverage.
1673         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1674         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1675         * config/darwin.h: Pass -lgcov for `coverage'.
1676         * doc/invoke.texi (Debugging Options): Document --coverage.
1677
1678 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1679
1680         * gcse.c (bypass_block): Use find_edge wherever possible.
1681
1682 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1683
1684         Fix PR debug/20253
1685
1686         * c-opts.c (c_common_parse_file): Call start_source_file
1687         and end_source_file at the approriate times.
1688
1689         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1690         the main file, it will be done for us now.
1691
1692 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1693
1694         * fold-const.c (fold_ternary): New.
1695         (fold): Call fold_ternary on ternary expressions.  Remove
1696         handling of ternary expressions.
1697
1698 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1699
1700         PR tree-optimization/15784
1701         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1702         and -1 - A to ~A.
1703
1704 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1705
1706         * config/rs6000/predicates.md (branch_comparison_operator):
1707         Convert from C block to conditional format.
1708
1709 2005-03-03  Jan Hubicka  <jh@suse.cz>
1710
1711         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1712         and non-constant public variables.
1713
1714 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1715
1716         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1717         with LABEL_EXPR.
1718
1719         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1720         EDGE_I.
1721
1722         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1723         calls to release_ssa_name and release_phi_node.
1724
1725         * fold-const.c (fold): Remove handling of unary expressions.
1726
1727         * fold-const.c (fold_unary): Avoid directly using the original
1728         expression t as much as possible.
1729
1730 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1731             Andrew Pinski  <pinskia@physics.uc.edu>
1732
1733         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1734         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1735
1736 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1737
1738         Describe special registers SRP and MOF as allocatable registers.
1739         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1740         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1741         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1742         TARGET_HAS_MUL_INSNS.
1743         (cris_print_operand) <case 'd'>: New case.
1744         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1745         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1746         define.
1747         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1748         (REG_ALLOC_ORDER): Update for MOF.
1749         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1750         SPECIAL_REGS.
1751         (GENERAL_REGS): No longer a define of ALL_REGS.
1752         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1753         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1754         Adjust accordingly.
1755         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1756         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1757         (SECONDARY_RELOAD_CLASS): Define.
1758         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1759         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1760         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1761         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1762         (REGISTER_MOVE_COST): Define.
1763         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1764         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1765         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1766         (CRIS_MOF_REGNUM): New define_constants.
1767         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1768         special registers.
1769         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1770         New patterns.
1771         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1772         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1773         Adjust for MOF being properly described as a register.
1774         (indir_to_reg_split): Name this split.  Conditionalize on the
1775         destination register being a general register.
1776         (movei): Conditionalize on on operands 0 and 1 having the same
1777         register class.
1778
1779 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1780
1781         PR target/20277
1782         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1783         -mcpu to override any other explicitly given flags.
1784
1785 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1786
1787         * recog.c (verify_changes, confirm_change_group): New functions,
1788         broken out of apply_change_group.
1789         (apply_change_group): Use them.
1790         * recog.h (verify_change, confirm_change_group): Declare.
1791         * rtl.h (redirect_jump_2): Declare.
1792         * jump.c (redirect_exp, invert_exp): Delete.
1793         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1794         (redirect_jump_2): New function, broken out of redirect_jump.
1795         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1796         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1797         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1798
1799 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1800
1801         * varasm.c (named_section): Use xstrdup rather than doing it by
1802         hand.
1803
1804         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1805
1806 2005-03-02  Devang Patel  <dpatel@apple.com>
1807
1808         Undo PR tree-optimization/18815 fix.
1809
1810 2005-03-02  Devang Patel  <dpatel@apple.com>
1811
1812         PR tree-optimization/18815
1813         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1814         loops with zero exit edges.
1815
1816 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1817
1818         * cfg.c (connect_src, connect_dest, disconnect_src,
1819         disconnct_dest): New.
1820         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1821         redirect_edge_pred): Use the new functions.
1822
1823         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1824         free_dominance_info only when needed.
1825
1826 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1827
1828         PR target/20276
1829         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1830         (reg_or_sub_cint64_operand): Same.
1831
1832 2005-03-02  Jeff Law  <law@redhat.com>
1833
1834         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1835         CFG_ALTERED in the main DOM iteration loop.
1836
1837 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1838
1839         PR c++/19916
1840         * varasm.c (initializer_constant_valid_p): Allow conversions
1841         between OFFSET_TYPEs.  Tidy.
1842
1843 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1844
1845         * config/cris/cris.md ("return"): Remove epilogue delay list
1846         sanity check.
1847
1848 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1849
1850         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1851         for Thumb.
1852         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1853
1854 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1855
1856         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1857         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1858         config/m68k/m68k.c, config/mips/mips.h,
1859         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1860         doc/include/gcc-common.texi: Update copyright.
1861
1862         PR middle-end/18029 and PR middle-end/18030
1863         * expr.c (optimize_bitfield_assignment_op): Add a special case
1864         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1865
1866         * fold-const.c (fold_unary): New.
1867         (fold): Call fold_unary on unary expressions.
1868
1869 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1870
1871         * cgraph.h (struct cgraph_edge): Add prev_caller and
1872         prev_callee fields.
1873         (cgraph_node_remove_callees): Export.
1874         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1875         and prev_callee.
1876         (cgraph_edge_remove_callee): New function.
1877         (cgraph_edge_remove_caller): Likewise.
1878         (cgraph_remove_edge): Use.
1879         (cgraph_redirect_edge_callee): Likewise.
1880         (cgraph_node_remove_callees): New function.
1881         (cgraph_node_remove_callers): Likewise.
1882         (cgraph_remove_node): Use.
1883         * tree-optimize.c (tree_rest_of_compilation): Use
1884         cgraph_node_remove_callees instead of manual loop.
1885         * cgraphunit.c (cgraph_finalize_function): Likewise.
1886         (cgraph_expand_function): Likewise.
1887         (cgraph_remove_unreachable_nodes): Likewise.
1888
1889 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1890
1891         PR c/8927
1892         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1893         argument.
1894         * c-decl.c (undeclared_variable): Take location as argument.
1895         * c-typeck.c (build_external_ref): Likewise.
1896         * c-parser.c (c_parser_postfix_expression): Pass location of
1897         identifier to build_external_ref.
1898
1899 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1900
1901         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1902         CCEQ mode for branch_positive_comparison_operator test.
1903         * config/rs6000/predicates (branch_comparison_operator): Revert to
1904         define_predicate.
1905         (scc_comparison_operator): Same.
1906         (branch_positive_comparison_operator): Same.
1907
1908 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1909
1910         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1911         (cris_delay_slots_for_epilogue): Remove.
1912         (save_last): Move into cris_target_asm_function_epilogue.
1913         (cris_target_asm_function_epilogue): Remove tests for file being
1914         NULL.
1915         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1916         (cris_delay_slots_for_epilogue): Remove prototypes.
1917         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1918         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1919
1920 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1921
1922         * config/rs6000/predicates.md (branch_comparison_operator): Change
1923         to define_special_predicate.
1924         (scc_comparison_operator): Same.
1925         (branch_positive_comparison_operator): Same.
1926
1927 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1928
1929         * Makefile.in (tree-ssa-sink.o): New.
1930         (OBJS-common): Add tree-ssa-sink.o.
1931         * common.opt: Add -ftree-sink
1932         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1933         * timevar.def (TV_TREE_SINK): new timevar.
1934         * tree-flow.h (is_hidden_global_store): Prototype.
1935         * tree-optimize.c (init_tree_optimization_passes): Add
1936         pass_sink_code.
1937         * tree-pass.h (pass_sink_code): New.
1938         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1939         for non-obvious global store store to is_hidden_global_store, and
1940         call that new function.
1941         * tree-ssa-sink.c: New file.
1942         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1943         * doc/passes.texi: Document forward store motion.
1944         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1945         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1946         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1947         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1948
1949 2005-03-01  Per Bothner  <per@bothner.com>
1950
1951         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1952         and we have a non-zero column-number, add it to the message.
1953         Also factor out the diagnostic_kind_text.
1954
1955 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1956
1957         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1958         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1959         flow_loop_scan): Removed.
1960         (flow_loop_dump): Do not dump removed fields.
1961         (flow_loop_free): Do not free removed fields.
1962         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1963         (loop_exit_edge_p): New function.
1964         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1965         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1966         num_exits, exits_doms.
1967         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1968         LOOP_EDGES, LOOP_ALL): Removed.
1969         (flow_loop_scan): Declaration removed.
1970         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1971         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1972         flow_loops_find.
1973         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1974         (if_convert): Call flow_loops_find and flow_loops_free
1975         when calling mark_loop_exit_edges.
1976         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1977         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1978         free_dominance_info calls.
1979         * loop-init.c (flow_loops_find): Ditto.
1980         * passes.c (rest_of_handle_branch_prob): Ditto.
1981         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1982         * loop-unroll.c (analyze_insns_in_loop): Do not use
1983         EDGE_LOOP_EXIT.
1984         * predict.c (predict_loops): Do not call flow_loop_scan.
1985         Use get_loop_exit_edges.
1986         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1987         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1988         Do not use EDGE_LOOP_EXIT.
1989         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1990         to bb_with_exit_edge_p.
1991         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1992         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1993         to bb_with_exit_edge_p.
1994         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1995         EDGE_LOOP_EXIT.
1996         * tree-loop-linear.c (linear_transform_loops): Do not call
1997         flow_loop_scan.  Use loop->single_exit.
1998         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1999         (vect_analyze_loop_form): Do not call flow_loop_scan.
2000         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2001         loop->single_exit.
2002         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2003         loop->single_exit.
2004         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2005         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2006         slpeel_tree_duplicate_loop_to_edge_cfg,
2007         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2008         Use loop_preheader_edge and loop->single_exit.  Do not call
2009         flow_loop_scan.
2010
2011 2005-03-01  Nick Clifton  <nickc@redhat.com>
2012
2013         * config/arm/arm.c (thumb_find_work_register): Check all of the
2014         argument registers to see if they are free, and a couple of
2015         special cases where the last argument register but can be proved
2016         to be available during the function's prologue.
2017         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2018         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2019         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2020         register bit-mask.
2021         (thumb_compute_save_reg_mask): Likewise.  Also use
2022         thumb_find_work_register() to ensure that there is agreement about
2023         which work register is going to be used in the prologue.
2024         (thumb_output_function_prologue): Use unsigned long as the type
2025         for the register bit-mask.  Also delay pushing the link register if
2026         other high registers are going to be pushed.
2027         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2028         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2029         redundant prototypes.
2030
2031 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2032
2033         PR target/19819
2034         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2035         and after reload in REG+REG indexed addresses without REG_POINTER
2036         set in the base and not set in the index.
2037
2038 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2039
2040         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2041         Don't undefine here.
2042         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2043         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2044         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2045         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2046         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2047         Delete.
2048         * config.gcc (sh*-*-linux*): Use config/linux.h.
2049
2050 2005-02-28  Dale Johannesen  <dalej@apple.com>
2051             Stan Shebs  <shebs@apple.com>
2052
2053         Rewrite of 64-bit Darwin structure-by-value pass/return.
2054         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2055         intoffset, use_stack, named.
2056         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2057         (rs6000_darwin64_record_arg_advance_flush):  New.
2058         (rs6000_darwin64_record_arg_advance_recurse): New.
2059         (rs6000_darwin64_record_arg_flush):  New.
2060         (rs6000_darwin64_record_arg_recurse):  New.
2061         (rs6000_darwin64_record_arg):  New.
2062         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2063         (function_arg_boundary):  Handle 128-bit aligned structs.
2064         (function_arg_advance):  Rewrite darwin64 struct handling.
2065         (function_arg):  Call rs6000_darwin64_record_arg.
2066         (function_arg_partial_nregs):  Handle darwin64 structs.
2067         (rs6000_darwin64_function_value):  Remove.
2068         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2069
2070 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2071
2072         PR tree-optimization/20216
2073         * tree-chrec.c (tree_fold_factorial): Delete.
2074         (tree_fold_binomial): Change argument list to take a return type
2075         and change the type of K to unsigned int.  Rewrite to avoid explicit
2076         evaluation of factorials, and (recursively) calling fold to perform
2077         compile-time arithmetic.  Return NULL on (internal) overflow.
2078         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2079         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2080         if any intermediate calculation overflows.
2081         (chrec_apply): Update call to chrec_evaluate.
2082
2083 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2084
2085         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2086
2087 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2088
2089         PR c/20245
2090         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2091         instead of NULL_TREE on error.
2092
2093 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2094
2095         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2096         (EASY_VECTOR_15_ADD_SELF): Remove.
2097         (num_insns_constant_wide): Not static.
2098         (validate_condition_mode): Not static.
2099         (toc_relative_expr_p): Not static.
2100         (legitimate_indirect_address_p): Not static.
2101         (macho_lo_sum_memory_operand): Not static.
2102         (invalid_e500_subreg): Not static.
2103         (easy_vector_same): Not static.
2104         (easy_vector_splat_const): Not static.
2105         (RS6000_SYMBOL_REF_TLS_P): Remove.
2106         (any_operand): Delete.
2107         (any_parallel_operand): Delete.
2108         (count_register_operand): Delete.
2109         (altivec_register_operand): Delete.
2110         (xer_operand): Delete.
2111         (s8bit_cint_operand): Delete.
2112         (short_cint_operand): Delete.
2113         (u_short_cint_operand): Delete.
2114         (non_short_cint_operand): Delete.
2115         (exact_log2_cint_operand): Delete.
2116         (gpc_reg_operand): Delete.
2117         (cc_reg_operand): Delete.
2118         (cc_reg_not_cr0_operand): Delete.
2119         (reg_or_short_operand): Delete.
2120         (reg_or_neg_short_operand): Delete.
2121         (reg_or_aligned_short_operand): Delete.
2122         (reg_or_u_short_operand): Delete.
2123         (reg_or_cint_operand): Delete.
2124         (reg_or_arith_cint_operand): Delete.
2125         (reg_or_add_cint64_operand): Delete.
2126         (reg_or_sub_cint64_operand): Delete.
2127         (reg_or_logical_cint_operand): Delete.
2128         (got_operand): Delete.
2129         (got_no_const_operand): Delete.
2130         (easy_fp_constant): Delete.
2131         (easy_vector_constant): Delete.
2132         (easy_vector_constant_add_self): Delete.
2133         (zero_constant): Delete.
2134         (zero_fp_constant): Delete.
2135         (volatile_mem_operand): Delete.
2136         (offsettable_mem_operand): Delete.
2137         (mem_or_easy_const_operand): Delete.
2138         (add_operand): Delete.
2139         (non_add_cint_operand): Delete.
2140         (logical_operand): Delete.
2141         (non_logical_cint_operand): Delete.
2142         (mask_operand): Delete.
2143         (mask_operand_wrap): Delete.
2144         (mask64_operand): Delete.
2145         (mask64_2_operand): Delete.
2146         (and64_operand): Delete.
2147         (and64_2_operand): Delete.
2148         (and_operand): Delete.
2149         (reg_or_mem_operand): Delete.
2150         (lwa_operand): Delete.
2151         (symbol_ref_operand): Delete.
2152         (call_operand): Delete.
2153         (current_file_function_operand): Delete.
2154         (input_operand): Delete.
2155         (rs6000_nonimmediate_operand): Delete.
2156         (rs6000_tls_symbol_ref): Delete.
2157         (save_world_operation): Delete.
2158         (restore_world_operation): Delete.
2159         (load_multiple_operation): Delete.
2160         (store_multiple_operation): Delete.
2161         (vrsave_operation): Delete.
2162         (mfcr_operation): Delete.
2163         (mtcrf_operation): Delete.
2164         (lmw_operation): Delete.
2165         (stmw_operation): Delete.
2166         (branch_comparison_operator): Delete.
2167         (branch_positive_comparison_operator): Delete.
2168         (scc_comparison_operator): Delete.
2169         (trap_comparison_operator): Delete.
2170         (boolean_operator): Delete.
2171         (boolean_or_operator): Delete.
2172         (min_max_operator): Delete.
2173         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2174         (EASY_VECTOR_15): Moved to here.
2175         (EASY_VECTOR_15_ADD_SELF): Move to here.
2176         (PREDICATE_CODES): Delete.
2177         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2178         Declare functions no longer static.
2179         * config/rs6000/predicates.md: New.
2180         * config/rs6000/rs6000.md: Include predicates.md
2181
2182 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2183
2184         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2185         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2186         REG_ALWAYS_RETURN.
2187         * cfgrtl.c (need_fake_edge_p): Likewise.
2188         * combine.c (distribute_notes): Likewise.
2189         * emit-rtl.c (try_split): Likewise.
2190         * recog.c (peephole2_opimize): Likewise.
2191         * reg-notes.def (ALWAYS_RETURN): Remove.
2192         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2193         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2194         * tree.h (ECF_ALWAYS_RETURN): Remove.
2195
2196 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2197
2198         PR middle-end/19874
2199         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2200         between different machine modes is never a "useless" conversion.
2201
2202 2005-02-28  Geert Bosch  <bosch@gnat.com>
2203
2204         PR ada/15977
2205         * doc/contrib.texi: List contributors for Ada front end
2206
2207 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2208
2209         * simplify-rtx.c (simplify_unary_operation_1,
2210         simplify_const_unary_operation): New, extracted from...
2211         (simplify_unary_operation): ... this one.
2212         (simplify_binary_operation_1,
2213         simplify_const_binary_operation): New, extracted from...
2214         (simplify_binary_operation): ... this one.
2215         * rtl.h (simplify_const_unary_operation,
2216         simplify_const_binary_operation): Add prototypes.
2217
2218 2005-02-28  Julian Brown  <julian@codesourcery.com>
2219
2220         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2221         building libjava and caused PR regression/20228.
2222
2223 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2224
2225         PR bootstrap/17383
2226         * Makefile.in (host_subdir): New.
2227         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2228         * configure: Regenerate.
2229
2230 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2231
2232         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2233         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2234         installation directory first.
2235
2236 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2237
2238         PR target/19065.
2239         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2240         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2241         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2242         * config/cris/cris.md: Tweak comments referring to Q.
2243         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2244         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2245         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2246         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2247         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2248         Insert spaces in constraints to align alternatives vertically for
2249         readability.
2250         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2251         operand 1: "M".
2252
2253 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2254
2255         PR rtl-optimization/17728
2256         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2257         operand 0 from general_operand to move_dest_operand.
2258
2259 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2260
2261         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2262         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2263         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2264         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2265
2266 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2267
2268         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2269         * configure: Regenerate.
2270         * libada-mk.in: Remove CC; rename
2271         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2272
2273 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2274
2275         PR tree-opt/20188
2276         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2277         for the lhs, also walk over the tree.  Likewise for rhs.
2278
2279 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2280
2281         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2282         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2283         Do not propagate value of iv before increment over the increment.
2284
2285 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2286
2287         * c-parser.c: New file.
2288         * c-parse.in: Remove.
2289         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2290         Remove.
2291         (c-parser.o): Add dependencies.
2292         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2293         maintainer-clean, TAGS): Update.
2294         * c-config-lang.in (gtfiles): Update.
2295         * gengtype-lex.l: Don't handle "@@".
2296         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2297         objc_build_synchronized, objc_begin_try_stmt,
2298         objc_begin_catch_clause, objc_finish_catch_clause,
2299         objc_build_finally_clause, objc_finish_try_stmt): New.
2300         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2301         type_seen_p.
2302         (c_parse_init): Update comment.
2303         * c-decl.c (c_init_decl_processing): Update comment.
2304         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2305         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2306         new c_declspecs members.
2307
2308 2005-02-25  Julian Brown  <julian@codesourcery.com>
2309
2310         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2311         from being used for symbols with vague linkage when
2312         HAVE_GAS_COMDAT_GROUP is true.
2313
2314 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2315
2316         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2317
2318 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2319
2320         PR target/19930
2321         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2322         (LIBGCC2_HAS_DF_MODE): New.
2323         (LIBGCC2_HAS_XF_MODE): New.
2324         (LIBGCC2_HAS_TF_MODE): New.
2325         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2326         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2327         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2328         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2329         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2330         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2331         and add _fixtfdi, _fixunstfdi, _floatditf
2332         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2333         L_fixunstfdi, L_floatditf.
2334         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2335         (LIBGCC2_HAS_TF_MODE): Define.
2336
2337 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2338
2339         PR tree-optimization/20204
2340         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2341         REWRITE_THIS_STMT markers on PHI nodes.
2342         (rewrite_initialize_block): Likewise.
2343
2344 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2345
2346         * version.c (version_string): Update to 4.1.
2347
2348 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2349
2350         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2351         Clarify that the alternative way doesn't work in GNU C++.
2352
2353 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2354
2355         PR tree-optimization/19937
2356         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2357         to the type of the induction variable.
2358
2359 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2360
2361         PR rtl-optimization/20117
2362         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2363         the block including noncopyable insn.
2364
2365 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2366
2367         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2368         calls to find_reg_note.
2369
2370 2005-02-24  Richard Henderson  <rth@redhat.com>
2371
2372         PR tree-opt/20127
2373         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2374         the type.
2375
2376 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2377
2378         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2379         vector types if to use base reg for misaligned non-word ld/std.
2380
2381 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2382
2383         PR target/14619
2384         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2385         dwarf2 label manually and put it after, not before the prologue.
2386
2387 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2388
2389         PR target/19019
2390         * reload.c (operands_match_p): Only increment register number for
2391         SCALAR_INT_MODE_P modes in multiple hard registers.
2392
2393         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2394         Fix formatting.
2395
2396 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2397
2398         * ChangeLog.5: Fix log message typo(s).
2399         * ChangeLog.7: Likewise.
2400         * ChangeLog.tree-ssa: Likewise.
2401         * cfgexpand.c: Fix comment typo(s).
2402         * conflict.c: Likewise.
2403         * defaults.h: Likewise.
2404         * dwarf2out.c: Likewise.
2405         * gcse.c: Likewise.
2406         * ggc-page.c: Likewise.
2407         * tree-eh.c: Likewise.
2408         * tree-ssa-dom.c: Likewise.
2409
2410 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2411
2412         PR target/19019
2413         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2414         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2415         if SHARED is defined.
2416
2417         PR target/20196
2418         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2419         allow splitting only if operands 0 and 3 don't overlap.
2420
2421 2005-02-24  Richard Henderson  <rth@redhat.com>
2422
2423         PR middle-end/19953
2424         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2425         (fold_builtin_1): Call them.
2426         * fold-const.c (fold_complex_mult_parts): Split out from ...
2427         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2428         (fold_complex_div_parts, fold_complex_div): New.
2429         (fold): Use them.
2430         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2431
2432 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2433
2434         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2435         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2436
2437         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2438         (print_node): Likewise.
2439         Print TYPE_SIZES_GIMPLIFIED.
2440
2441 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2442
2443         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2444         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2445         operands as commutative in constraints.
2446
2447 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2448
2449         * tree-into-ssa.c: Re-organize internal functions.
2450
2451 2005-02-24  Richard Henderson  <rth@redhat.com>
2452
2453         PR middle-end/18902
2454         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2455         for c99.
2456         * common.opt (fcx-limited-range): New.
2457         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2458         * toplev.c (flag_complex_method): Initialize to 1.
2459         (process_options): Set flag_complex_method to 0 if
2460         flag_cx_limited_range.
2461         * doc/invoke.texi (-fcx-limited-range): New.
2462
2463 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2464
2465         * cse.c (delete_trivially_dead_insns): Speed up by using
2466         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2467         prev_real_insn.
2468
2469 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2470
2471         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2472         functions when -mid-shared-library is being used.
2473
2474 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2475
2476         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2477         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2478         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2479         * system.h: Poison LINK_LIBGCC_SPECIAL.
2480
2481 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2482
2483         * gengtype.c (note_insn_name): Make 1 element larger.
2484
2485 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2486
2487         PR target/20018
2488         PR rtl-optimization/20097
2489         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2490         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2491
2492 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2493
2494         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2495         * t-aix52 (SHLIB_INSTALL): Same.
2496
2497 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2498
2499         * genpreds.c: Update copyright.
2500
2501 2005-02-23  Michael Beach  <michaelb@ieee.org>
2502
2503         PR target/20159
2504         * config/sparc/t-elf (startup files): Assemble with CPP.
2505
2506 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2507
2508         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2509         (write_predicate_expr): Likewise.
2510
2511 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2512
2513         PR tree-optimization/20100
2514         PR tree-optimization/20115
2515         * tree-optimize.c (init_tree_optimization_passes): Remove
2516         pass_maybe_create_global_var.
2517         * tree-pass.h (pass_maybe_create_global_var): Remove.
2518         * tree-ssa-alias.c (aliases_computed_p): Declare.
2519         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2520         (count_calls_and_maybe_create_global_var): Remove.
2521         (pass_maybe_create_global_var): Remove.
2522         (init_alias_info): Do not declare aliases_computed_p.
2523         (maybe_create_global_var): If the function contains no
2524         call-clobbered variables and a mix of pure/const and regular
2525         function calls, create .GLOBAL_VAR.
2526         Mark all call-clobbered variables for renaming.
2527         (merge_pointed_to_info): Update comment.
2528         (add_pointed_to_var): Likewise.
2529         (is_escape_site): Likewise.
2530         Accept struct alias_info * instead of size_t *.
2531         Update all users.
2532         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2533         as necessary.
2534         * tree-ssa-operands.c (get_call_expr_operands): If
2535         ALIASES_COMPUTED_P is false, do not add call-clobbering
2536         operands.
2537         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2538         (delete_tree_ssa): Likewise.
2539
2540 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2541
2542         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2543         (do_compile): Do call it here.
2544
2545 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2546
2547         PR rtl-optimization/20017.
2548         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2549         rest_of_handle_cse2, rest_of_handle_gcse): Call
2550         delete_dead_jumptables immediately before calling cleanup_cfg.
2551
2552 2005-02-22  Devang Patel  <dpatel@apple.com>
2553
2554         PR 19952
2555         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2556         all labels
2557
2558 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2559
2560         * config/rs6000/aix.h (WINT_TYPE): Define.
2561
2562 2005-02-22  Stan Shebs  <shebs@apple.com>
2563
2564         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2565         natural alignment for 64-bit Darwin.
2566         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2567         on 64-bit Darwin.
2568         * doc/invoke.texi: Document this.
2569
2570 2005-02-22  DJ Delorie  <dj@redhat.com>
2571
2572         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2573         to make_[un]signed_type, not the mode itself.
2574
2575 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2576
2577         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2578         not available.  Use tail calls wherever possible.
2579         (make_edge): Call unchecked_make_edge to create an edge.
2580
2581         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2582         (coalesce_ssa_name): Don't check for
2583         SSANORM_USE_COALESCE_LIST.
2584         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2585
2586 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2587
2588         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2589         (rewrite_into_ssa): ... here.
2590
2591 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2592
2593         PR tree-optimization/19786
2594         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2595         tag to another's may-alias bitmap when adding to the other's list.
2596
2597 2005-02-21  DJ Delorie  <dj@redhat.com>
2598
2599         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2600         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2601         registers in unsupported ways.
2602         * expmed.c (init_expmed): Likewise.
2603
2604 2005-02-21  Stan Cox  <scox@redhat.com>
2605
2606         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2607
2608 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2609
2610         * tree-cfg.c (fold_cond_expr_cond): New.
2611         (make_edges): Call fold_cond_expr_cond.
2612         (find_taken_edge): Accept nothing but INTEGER_CST.
2613         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2614         and 1.
2615         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2616
2617         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2618         that do not belong to any basic block.
2619
2620 2005-02-21  Jeff Law  <law@redhat.com>
2621
2622         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2623         e->dest.
2624
2625 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2626
2627         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2628         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2629         Adjust their definitions.
2630         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2631         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2632
2633         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2634         genautomata.c, langhooks.c, langhooks.h, system.h,
2635         config/arm/lib1funcs.asm: Update copyright.
2636
2637 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2638
2639         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2640
2641 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2642
2643         PR bootstrap/13770
2644         * doc/install.texi: Document --with-gc.
2645
2646 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2647
2648         * simplify-rtx.c (simplify_unary_operation): Add a missing
2649         "break" statement.
2650
2651 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2652
2653         PR tree-optimization/18663
2654         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2655         if the type has variable bounds.
2656
2657 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2658
2659         * gcse.c: Remove an obsolete comment.
2660
2661         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2662
2663 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2664
2665         * doc/extend.texi (Function Attributes) <Attribute const>: The
2666         attribute "pure" is below this text, not above.
2667
2668 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2669
2670         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2671         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2672         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2673
2674 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2675
2676         PR 18785
2677         * langhooks.h (struct lang_hooks): Add to_target_charset.
2678         * langhooks.c (lhd_to_target_charset): New function.
2679         * langhooks-def.h: Declare lhd_to_target_charset.
2680         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2681         (LANG_HOOKS_INITIALIZER): Update.
2682         * c-common.c (c_common_to_target_charset): New function.
2683         * c-common.h: Declare it.
2684         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2685         c_common_to_target_charset.
2686
2687         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2688         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2689         Delete definitions.
2690         * system.h: Poison them.
2691         * doc/tm.texi: Don't discuss them.
2692         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2693         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2694         (pp_c_char): Do not attempt to generate letter escapes for
2695         newline, tab, etc.
2696         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2697         * config/mips/mips.c (mips_output_ascii): Likewise.
2698
2699 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2700
2701         PR tree-optimization/19951
2702         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2703         is abnormal.
2704
2705 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2706
2707         PR middle-end/19698
2708         * function.h (struct function): New field `max_loop_depth'.
2709         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2710         (flow_loops_find): Reset the max loop depth count before finding loops.
2711         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2712         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2713         (calculate_global_regs_live): Make sure the loop will terminate
2714         when the initial sets are not empty.
2715
2716 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2717
2718         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2719         object inside.
2720         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2721
2722 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2723
2724         PR other/19525
2725         * doc/invoke.texi: Remove documentation of %M spec.
2726         * gcc.c: Likewise.
2727         (init_spec): Remove %M suffix from -lgcc_s.
2728         (do_spec_1): Remove 'M' case.
2729         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2730         to put shared libraries in the multilib directory.  Remove the
2731         shlib_so_soname substitution variable.  Don't add a multilib encoding
2732         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2733         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2734         SHLIB_INSTALL as well as SHLIB_LINK.
2735         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2736         (SHLIB_NAME): Delete.
2737         (SHLIB_DIR): New macro.
2738         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2739         (SHLIB_INSTALL): Adjust accordingly.
2740         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2741         * config/t-slibgcc-sld: Likewise.
2742         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2743         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2744         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2745         in $(SHLIB_DIR).
2746         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2747         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2748         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2749         Use @shlib_base_name@ instead of @shlib_so_name@.
2750         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2751         and @shlib_base_name@.so in @multilib_dir@.
2752         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2753         to the install path.
2754         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2755         (SHLIB_LINK): Remove previous workaround.
2756         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2757         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2758         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2759         the install path.
2760         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2761         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2762         (SHLIB_INSTALL): Adjust accordingly.
2763         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2764         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2765         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2766         config/t-slibgcc-elf-ver.
2767
2768 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2769             Jakub Jelinek  <jakub@redhat.com>
2770
2771         PR tree-optimization/19828
2772         * tree-ssa-loop-im.c: Add a TODO comment.
2773         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2774         without side-effects.
2775
2776 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2777
2778         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2779         call fold_convert.
2780
2781 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2782
2783         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2784         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2785         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2786         functions.
2787         (ia64_reorg): Delete fixup_errata call.
2788         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2789         (TARGET_SWITCHES): Delete -mb-step entry.
2790
2791 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR c/20043
2794         * c-typeck.c (composite_type): Handle quals in transparent unions.
2795         (type_lists_compatible_p): Likewise.
2796
2797 2005-02-18  Stan Shebs  <shebs@apple.com>
2798
2799         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2800         expressions in the .literal8 section.
2801
2802 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2803
2804         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2805
2806 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2807
2808         * fold-const.c (constant_boolean_node): Always create values of the
2809         specified type, don't bother calling truthvalue_conversion.
2810
2811 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2812
2813         * except.c (output_function_exception_table): Call
2814         assemble_external_libcall (eh_personality_libfunc).
2815
2816 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2817
2818         PR target/19886
2819         * config/ia64/ia64.h (struct machine_function): Add state_num.
2820         * config/ia64/ia64.c (process_epilogue,
2821         process_for_unwind_directive): Use new unwind state numbers each
2822         time rather than state 1.
2823
2824 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2825
2826         PR target/20054
2827         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2828         before the "*llgt_didi" pattern.
2829
2830 2005-02-18  Jason Merrill  <jason@redhat.com>
2831
2832         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2833
2834 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2835
2836         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2837         (div0): Use it in place of ARM_FUNC_ALIAS.
2838         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2839
2840 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2841
2842         PR middle-end/20030
2843         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2844         access, the lower bound of the array type if it exists.
2845
2846 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2847
2848         PR c++/20008
2849         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2850         cases that are out-of-range for the index type.
2851
2852 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2853
2854         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2855         (estimate_case_costs): Don't call convert.
2856         * expmed.c (expand_shift): Likewise.
2857         (make_tree): Call fold_convert instead of convert.
2858
2859 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2860
2861         PR c++/19813
2862         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2863         that ref to be marked MEM_READONLY_P doesn't have base that needs
2864         constructing.
2865
2866 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2867
2868         * genautomata.c (output_get_cpu_unit_code_func,
2869         output_cpu_unit_reservation_p): Don't generate old-style function
2870         definitions.
2871
2872 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2873
2874         PR c++/20023
2875         PR tree-optimization/20009
2876         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2877
2878         PR tree-optimization/18947
2879         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2880         inline, remove all nodes that are inlined into the extern inline
2881         being redefined.
2882
2883 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2884
2885         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2886         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2887         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2888         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2889         Update copyright.
2890
2891 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2892
2893         PR tree-optimization/19917
2894         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2895         to be potentially trapping.
2896
2897 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2898
2899         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2900
2901 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2902
2903         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2904         tem becomes a local variable which is set to the value of the
2905         back end defined INITIAL_FRAME_ADDRESS macro.
2906         (expand_builtin_frame_address): Omit the base parameter to
2907         expand_builtin_return_addr.
2908         (expand_builtin_profile_func): Likewise.
2909         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2910         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2911         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2912
2913 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2914
2915         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2916         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2917         * config/frv/frv.c (frv_function_epilogue): Likewise.
2918
2919 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2920
2921         * lambda-code (perfect_nestify): Remove mark/unmark
2922         for rewriting hack.
2923         * tree-loop-linear.c (linear_transform_loops): Add
2924         rewrite_into_ssa call so that ssa is correct for
2925         rewriting into loop closed.
2926
2927 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2928
2929         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2930         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2931         BITMAP_FREE.
2932         * bt-load.c (btr_def_live_range, combine_btr_defs,
2933         migrate_btr_def, migrate_btr_defs): Likewise.
2934         * cfgcleanup.c (thread_jump): Likewise.
2935         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2936         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2937         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2938         df_rd_local_compute, df_reg_info_compute): Likewise.
2939         * dominance.c (init_dom_info, free_dom_info): Likewise.
2940         * flow.c (init_propagate_block_info,
2941         free_propagate_block_info): Likewise.
2942         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2943         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2944         modify_reg_pav): Likewise.
2945         * loop-invariant.c (find_defs, find_invariant_insn,
2946         find_invariants, free_inv_motion_data): Likewise.
2947         * predict.c (tree_predict_by_opcode,
2948         estimate_bb_frequencies): Likewise.
2949         * stmt.c (expand_case): Likewise.
2950         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2951         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2952         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2953         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2954         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2955         rewrite_ssa_into_ssa): Likewise.
2956         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2957         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2958         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2959         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2960         * tree-sra.c (tree_sra): Likewise.
2961         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2962         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2963         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2964         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2965         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2966         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2967         Likewise.
2968         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2969         calculate_live_on_entry, calculate_live_on_exit,
2970         build_tree_conflict_graph): Likewise.
2971         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2972         record_important_candidates, set_use_iv_cost, find_depends,
2973         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2974         tree_ssa_iv_optimize_finalize): Likewise.
2975         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2976         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2977         tree_duplicate_loop_to_header_edge): Likewise.
2978         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2979         * tree-ssa.c (verify_flow_insensitive_alias_info,
2980         verify_name_tags, verify_ssa, init_tree_ssa,
2981         delete_tree_ssa): Likewise.
2982         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2983         fini_ssanames): Likewise.
2984         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2985
2986 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2987
2988         * config/rs6000/t-rtems: Completely reworked.
2989
2990 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2991
2992         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2993
2994 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2995
2996         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2997         POINTER_TYPE_P when checking that type is a pointer.
2998         (vect_get_memtag): Remove.
2999         (vect_address_analysis): Use POINTER_TYPE_P. Call
3000         vect_object_analysis with dummy parameter for memtag.
3001         (vect_object_analysis): Extract memtag (functionality that
3002         used to be in vect_get_memtag and moved here). Fix printings.
3003         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3004         with correct parameters. Remove call to vect_get_memtag.
3005
3006 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3007
3008         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3009         (tree-vectorizer.o): Added missing dependencies.
3010
3011         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3012         decleration.
3013         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3014         declaration in tree-vectorizer.c, now has an extern declaration in
3015         tree-vectorizer.h).
3016         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3017         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3018         get_vectype_for_scalar_type, vect_is_simple_use,
3019         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3020         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3021         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3022         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3023         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3024         find_loop_location): Likewise.
3025
3026         * tree-vectorizer.c (langhooks.h): #include removed.
3027         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3028         moved to tree-vectorized.h.
3029         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3030         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3031         get_vectype_for_scalar_type, vect_is_simple_use,
3032         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3033         vect_supportable_dr_alignment, new_loop_vec_info,
3034         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3035         vect_set_verbosity_level, find_loop_location): Likewise.
3036
3037         (vect_analyze_loop): Function externalized. Declaration moved to
3038         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3039         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3040         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3041         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3042         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3043         vect_enhance_data_refs_alignment, vect_analyze_operations,
3044         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3045         vect_stmt_relevant_p, vect_get_loop_niters,
3046         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3047         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3048         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3049         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3050         vect_get_memtag): Likewise.
3051
3052         (vectorizable_load): Function externalized. Declaration moved to
3053         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3054         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3055         vect_transform_loop): Likewise.
3056         (vect_transform_stmt): Moved to tree-vect-transform.c.
3057         (vect_align_data_ref, vect_create_destination_var,
3058         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3059         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3060         vect_get_vec_def_for_operand, vect_init_vector,
3061         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3062         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3063         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3064         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3065         vect_do_peeling_for_loop_bound): Likewise.
3066
3067         * tree-vect-analyze.c: New file.
3068         * tree-vect-transform.c: New file.
3069
3070 2005-02-17  Jason Merrill  <jason@redhat.com>
3071
3072         PR mudflap/19319, c++/19317
3073         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3074         slot explicit.
3075
3076 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3077
3078         * doc/install.texi (Specific): Update link for Darwin-specific
3079         tool binary site.
3080
3081 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3082
3083         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3084         constant_boolean_node.
3085
3086 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3087
3088         PR target/19019
3089         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3090         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3091
3092 2005-02-16  Richard Henderson  <rth@redhat.com>
3093
3094         PR 19920
3095         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3096         with W_TYPE_SIZE.
3097         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3098         replace uses with Wtype_MAXp1_F.
3099         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3100         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3101         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3102         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3103         and HAVE_TFMODE as appropriate.
3104         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3105         (__floatdisf): Likewise.
3106         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3107         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3108         (Wtype_MAXp1_F): New.
3109         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3110         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3111
3112 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3113
3114         * PR target/19162
3115         * arm.c (arm_apply_result_size): New function.
3116         * arm.h (APPLY_RESULT_SIZE): Define.
3117         * arm-protos.h (arm_apply_result_size): Add prototype.
3118         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3119         (movxf): New expand.
3120         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3121         (call_value_symbol): Remove predicate for operand 0.
3122         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3123         (untyped_call): Rework to correclty return values for any type.
3124         (untyped_return): New expand.
3125         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3126
3127 2005-02-16  Stan Shebs  <shebs@apple.com>
3128
3129         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3130         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3131
3132 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3133
3134         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3135         configure settings on Solaris 7 and later.
3136
3137 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3138
3139         PR tree-optimization/19865
3140         * tree-optimize.c (init_tree_optimization_passes): Run
3141         pass_may_alias after pass_sra.
3142
3143 2005-02-16  Richard Henderson  <rth@redhat.com>
3144             Stuart Hastings  <stuart@apple.com>
3145
3146         PR debug/19521
3147         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3148         Do nothing if debug info suppressed for this function.
3149         (dbxout_begin_function): Early exit if debug info suppressed for
3150         this function.
3151
3152 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3153
3154         PR target/20007
3155         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3156         find_basic_blocks.
3157         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3158
3159         PR tree-optimization/19967
3160         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3161         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3162         argument TYPE.  Adjust calls to fold_builtin_XXX.
3163         (expand_builtin, fold_builtin_1): Adjust calls to
3164         expand_builtin_XXX.
3165         (fold_builtin_strchr, fold_builtin_strpbrk,
3166         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3167         result to a requested type TYPE.
3168
3169 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR middle-end/19857
3172         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3173         (T)x & (T)cst if (T)cst overflows.
3174         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3175         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3176
3177 2005-02-15  Jeff Law  <law@redhat.com>
3178
3179         * gcse.c (blocks_with_calls): New bitmap.
3180         (alloc_gcse_mem): Allocate it.
3181         (free_gcse_mem): Free it.
3182         (clear_modifY_mem_tables): Clear it.
3183         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3184         when we encounter CALL_INSNs.
3185         (compute_transp, case MEM): Handle blocks with calls separate
3186         from blocks without calls.  Use bitmap iterators rather than
3187         FOR_EACH_BB.
3188
3189 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3190
3191         PR bootstrap/18810
3192         * mklibgcc.in (vis_hide): Use a temporary object file, not
3193         -o /dev/null.
3194
3195 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3196
3197         PR target/19924
3198         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3199         access optimization.
3200
3201 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3202             Alan Modra  <amodra@bigpond.net.au>
3203
3204         PR target/19019
3205         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3206         (_xlqsub): Rename to __gcc_qsub.
3207         (_xlqmul): Rename to __gcc_qmul.
3208         (_xlqdiv): Rename to __gcc_qdiv.
3209         Provide versioned symbol aliases with old names.
3210         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3211         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3212         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3213         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3214         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3215
3216 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3217
3218         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3219         Fold ~(A - 1) and ~(A + -1) to -A.
3220
3221 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3222
3223         PR pch/14940
3224         PR target/19300
3225         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3226         config/pa/pa-host.c:pa_gt_pch_use_address.
3227
3228 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3229
3230         * tree-vn.c (get_value_handle): Make sure that given an
3231         is_gimple_min_invariant expression, we always return it.
3232
3233 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * passes.c (rest_of_handle_gcse): Fix a comment.
3236
3237 2005-02-15  Jeff Law  <law@redhat.com>
3238
3239         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3240         bitmap.
3241         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3242         (canon_list_insert, record_last_mem_set_info): Similarly.
3243         (clear_modify_mem_tables): Similarly.
3244
3245 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3246
3247         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3248         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3249         config/mips/mips.md, config/rs6000/aix.h,
3250         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3251
3252 2005-02-15  Richard Henderson  <rth@redhat.com>
3253
3254         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3255         call to be best_edge.
3256
3257 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3258
3259         * basic-block.h: Adjust the prototype for find_basic_blocks.
3260         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3261         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3262         find_basic_blocks.
3263
3264         * flow.c (recompute_reg_usage): Remove all arguments.
3265         * passes.c (rest_of_compilation): Adjust the call to
3266         recompute_reg_usage.
3267         * rtl.h: Adjust the prototype for recompute_reg_usage.
3268
3269 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3270
3271         * tree-dump.c (dump_files): Update to reflect new member
3272         of dump_file_info.
3273         (dump_register): Add new argument.
3274         Set glob name.
3275         (dump_switch_p_1): Check against glob name if doglob was passed.
3276         (dump_switch_p): Check against regular first, then glob if
3277         we didn't have any hits on the dump name.
3278         * tree-optimize.c (register_one_dump_file):
3279         Pass in glob name as well.
3280         * tree-pass.h (struct dump_file_info): Add glob
3281         member.
3282
3283 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3284
3285         PR preprocessor/16323
3286         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3287
3288 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3289
3290         PR target/19019
3291         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3292         (trunctfdf2_internal1): New.
3293         (trunctfdf2_internal2): Renamed from trunctfdf2.
3294
3295 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3296
3297         PR tree-optimization/19853
3298         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3299
3300 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3301
3302         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3303         delete_dead_jumptables and cleanup_cfg.
3304
3305 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3306
3307         * reload.c (find_reloads): Swap address_reloaded flags when
3308         swapping commutative operands.
3309
3310 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3311
3312         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3313         Use standard_iv_increment_position for computing the bsi position
3314         for create_iv.
3315         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3316         the bsi position.
3317
3318 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3319
3320         PR target/17428
3321         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3322         life range of hard registers.
3323         * value-prof.c (insn_prefetch_values_to_profile): Only
3324         scan normal insns.
3325
3326         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3327         profile in libcalls.
3328
3329 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3330
3331         * bitmap.h (bitmap_and_compl_into): Return bool.
3332         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3333
3334 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3335
3336         PR tree-optimization/19944
3337         * fold-const.c (fold): Re-add ABS_EXPR folding.
3338
3339 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3340
3341         PR target/19019
3342         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3343         {TARGET,MASK}_XL_COMPAT.
3344         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3345         MASK_XL_COMPAT.
3346         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3347         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3348         TARGET_XL_COMPAT.
3349         (rs6000_arg_partial_bytes): Same.
3350         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3351         and XL compatibility enabled.
3352         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3353         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3354         test to final condition.
3355         (cmptf_internal2): New.
3356         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3357         xl-compat.  Add TFmode information to description.
3358
3359 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3360
3361         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3362
3363 2005-02-13  Jason Merrill  <jason@redhat.com>
3364
3365         PR c++/16405
3366         * fold-const.c (fold_indirect_ref_1): Split out from...
3367         (build_fold_indirect_ref): Here.
3368         (fold_indirect_ref): New fn.
3369         * tree.h: Declare it.
3370         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3371         (gimplify_modify_expr_rhs): Likewise.
3372         (gimplify_expr): Likewise.
3373
3374 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3375
3376         PR tree-optimization/14303
3377         PR tree-optimization/15784
3378         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3379         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3380         ABS_EXPR<x> != 0 to x != 0.
3381
3382 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3383
3384         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3385         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3386         spelling conventions.
3387
3388         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3389         delete_trivially_dead_insns too many times.
3390
3391         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3392         tem and tem2.
3393
3394 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3395
3396         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3397         (vect_is_simple_iv_evolution): Remove redundant parameter
3398         and step check.
3399         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3400         without last parameter.
3401         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3402         Return pointer step. Call vect_is_simple_iv_evolution without
3403         last parameter. Check only that the step is multiple of size
3404         type. Remove stmt_vinfo updates.
3405         (vect_get_memtag_and_dr): Remove.
3406         (vect_get_memtag): New function.
3407         (vect_address_analysis): New function.
3408         (vect_object_analysis): New function.
3409         (vect_analyze_data_refs): Call vect_object_analysis and
3410         vect_get_memtag. Update stmt_vinfo fields.
3411
3412 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3413
3414         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3415         exist and are objects. Remove checks for pointer.
3416         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3417         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3418         (vect_create_data_ref_ptr): Likewise.
3419         (vect_base_addr_differ_p): New function.
3420         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3421         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3422         Don't set the DR_BASE_NAME field of data-ref.
3423         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3424
3425 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3426
3427         * optabs.h (enum optab_index): Add new OTI_ldexp.
3428         (ldexp_optab): Define corresponding macro.
3429         * optabs.c (init_optabs): Initialize ldexp_optab.
3430         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3431         patterns.
3432         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3433         using ldexp_optab.
3434         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3435         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3436
3437         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3438         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3439         intrinsics.
3440
3441 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3442
3443         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3444         to base_address.
3445         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3446         stmt_vec_info.
3447         (vect_get_base_and_offset): Always return an address.
3448         (vect_create_addr_base_for_vector_ref): Remove treatment for
3449         different data reference types.
3450         (vect_compute_data_ref_alignment): Rename base to base_address in
3451         stmt_vec_info. Get the object in order to force its alignment.
3452         (vect_get_memtag_and_dr): Rename base to base_address in
3453         stmt_vec_info. Extract the object for memtag analysis.
3454
3455 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3456
3457         PR regression/19898.
3458         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3459         changes cc_status, use apply modified_in_p to part of cc_status
3460         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3461         body.
3462
3463 2005-02-11  Richard Henderson  <rth@redhat.com>
3464
3465         * tree-complex.c (expand_complex_libcall): New.
3466         (expand_complex_multiplication): Use it for c99 compliance.
3467         (expand_complex_division): Likewise.
3468         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3469         (fold): Call them.
3470         * builtins.c (built_in_names): Remove const.
3471         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3472         builtins.
3473         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3474         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3475         (built_in_names): Remove const.
3476         * c-common.c (c_common_type_for_mode): Handle complex modes.
3477         * flags.h, toplev.c (flag_complex_method): Rename from
3478         flag_complex_divide_method.
3479         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3480         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3481         * libgcc2.h: Declare them.
3482         * libgcc-std.ver: Export them.
3483         * mklibgcc.in (lib2funcs): Build them.
3484
3485 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3486
3487         PR tree-optimization/19876
3488         Partially revert my change from 2005-01-14
3489         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3490         (compute_antic): ...and remove the loop here.
3491
3492 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR middle-end/19858
3495         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3496         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3497
3498         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3499         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3500
3501 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3502
3503         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3504         offsets for the big-endian 32-bit case.
3505
3506 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3507
3508         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3509
3510 2005-02-11  Dale Johannesen  <dalej@apple.com>
3511
3512         * cselib.c (cselib_process_insn):  Clear out regs where
3513         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3514         * reload.c (find_equiv_reg): Ditto.
3515
3516 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3517
3518         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3519         with no elements.
3520
3521         * tree.c (build_function_type_list): Work correctly if there are
3522         no arguments.
3523
3524 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3525
3526         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3527         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3528         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3529         TARGET_ZARCH instead of TARGET_64BIT.
3530
3531 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3532
3533         * config/rs6000/t-rtems:
3534         (MULTILIB_OPTIONS): Remove mcpu=602.
3535         (MUTLILIB_DIRNAMES): Remove m602.
3536         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3537         Let mcpu=602 match mcpu=603.
3538         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3539
3540 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3541
3542         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3543         signal trampolines.
3544
3545 2005-02-10  David Daney  <ddaney@avtrex.com>
3546
3547         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3548         * config/i386/linux-unwind.h: Likewise.
3549         * config/ia64/linux-unwind.h: Likewise.
3550         * config/mips/linux-unwind.h: Likewise.
3551         * config/pa/linux-unwind.h: Likewise.
3552         * config/rs6000/linux-unwind.h: Likewise.
3553         * config/s390/linux-unwind.h: Likewise.
3554         * config/sh/linux-unwind.h: Likewise.
3555         * config/sparc/linux-unwind.h: Likewise.
3556
3557 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3558
3559         PR tree-optimization/17549
3560         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3561         TER to replace a DEF with its expression if the DEF and the
3562         rhs of the expression we replace into have the same root
3563         variable.
3564
3565 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3566
3567         * config/mips/mips.md: Fix the placement of the match_scratch in the
3568         lea64 peephole2.
3569
3570 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3571
3572         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3573         Fix comment typos.
3574
3575 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3576
3577         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3578         (strip_offset): Handle addresses.
3579         (add_address_candidates): Use strip_offset.
3580         (difference_cost): Reflect strip_offset change.
3581         (force_var_cost, difference_cost): Strip nops.
3582
3583 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3584
3585         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3586
3587         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3588         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3589         config/cris/cris-protos.h, config/cris/cris.c: Update
3590         copyright.
3591
3592 2005-02-10  Jeff Law  <law@redhat.com>
3593
3594         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3595         (lookup_avail_expr): Similarly.
3596
3597 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3598
3599         * builtins.c (fold_builtin_powi): New function.
3600         (fold_builtin_1): Call it.
3601
3602 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3603
3604         PR documentation/19309
3605         * doc/cpp.texi: The __GNUC__ and related predefined macros
3606         are also defined for the "standalone" cpp.
3607         Some non-GCC compilers may also define __GNUC__.
3608
3609 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR c/19342
3612         * c-typeck.c (common_type): New routine.  Old common_type renamed
3613         to...
3614         (c_common_type): ...this.
3615         (build_conditional_expr, build_binary_op): Use c_common_type instead
3616         of common_type.
3617
3618 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3619
3620         * doc/md.texi: Replace @samp{length} with @code{length}.
3621
3622 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3623
3624         PR tree-optimization/18687
3625         * tree-flow.h (find_loop_niter): Declare.
3626         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3627         Try using scev even for loops with more than one exit.
3628         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3629         (struct ivopts_data): Added niters field.
3630         (struct nfe_cache_elt): New.
3631         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3632         functions.
3633         (tree_ssa_iv_optimize_init): Initialize niters cache.
3634         (determine_number_of_iterations): Removed.
3635         (find_induction_variables): Do not call determine_number_of_iterations.
3636         Access niters for single exit through niter_for_single_dom_exit.
3637         (add_iv_outer_candidates): Access niters for single exit through
3638         niter_for_single_dom_exit.
3639         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3640         number_of_iterations_cond.
3641         (iv_period): New function.
3642         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3643         (may_replace_final_value): Take data argument.  Use
3644         niter_for_single_dom_exit.
3645         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3646         (rewrite_use_compare): Pass data to may_eliminate_iv.
3647         (rewrite_use_outer): Pass data to may_replace_final_value.
3648         (free_loop_data): Clean up the niters cache.
3649         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3650         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3651         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3652         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3653         (num_ending_zeros): Moved to tree.c.
3654         * tree.h (num_ending_zeros): Declare.
3655         * tree.c (num_ending_zeros): Moved from tree.c.
3656
3657 2005-02-09  Richard Henderson  <rth@redhat.com>
3658
3659         * builtins.c (DEF_BUILTIN): Add COND argument.
3660         * tree.h (DEF_BUILTIN): Likewise.
3661         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3662         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3663         match.
3664         (DEF_BUILTIN_STUB): New.
3665         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3666         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3667         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3668         * c-common.c (DEF_BUILTIN): Add COND argument.
3669         * tree.c (local_define_builtin): New.
3670         (build_common_builtin_nodes): New.
3671
3672 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3673
3674         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3675         floating point expression ignoring the sign of the result.
3676         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3677         (fold) <MULT_EXPR>: Use it to simplify x*x.
3678         * tree.h (fold_strip_sign_ops): Prototype here.
3679         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3680         argument.  Use fold_strip_sign_ops to simplify the first argument.
3681         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3682         first argument when the second argument is an even integer
3683         constant, but only with -funsafe_math_optimizations.
3684         (fold_builtin_1): Update call to fold_builtin_copysign.
3685
3686 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3687
3688         PR middle-end/19583
3689         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3690         just check whether EH_FILTER_FAILURE falls through.
3691
3692 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3693
3694         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3695         insns return to ready list in the next turn.
3696
3697 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3698
3699         PR middle-end/19402
3700         * builtins.def: New __builtin_powi[lf].
3701         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3702         (expand_builtin_powi): New function.
3703         (expand_builtin): Dispatch to expand_builtin_powi.
3704         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3705         * libgcc2.c: Add __builtin_powi[lf] implementation.
3706         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3707         * optabs.h: Add powi_optab.
3708         * optabs.c (init_optabs): Initialize powi_optab.
3709         * doc/extend.texi: Document __builtin_powi[lf].
3710
3711 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3712
3713         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3714         exists.
3715
3716 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3717
3718         PR middle-end/19854
3719         * fold-const.c (try_move_mult_to_index): Remove redundant
3720         type argument.  Create ADDR_EXPR with correct type.
3721         (fold): Update callers of try_move_mult_to_index.  Convert
3722         result to the appropriate type.
3723
3724 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3725
3726         PR target/19597
3727         * config/avr/avr.c (default_rtx_costs): Delete.
3728         (avr_operand_rtx_cost): New function.
3729         (avr_rtx_costs): Completely rewrite.
3730
3731 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3732
3733         PR target/19806
3734         * config/cris/cris.c (in_code): New variable.
3735         (cris_output_addr_const): Now a static function, a wrapper for
3736         output_addr_const.
3737         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3738         case from old cris_output_addr_const.
3739         (cris_asm_output_label_ref): Similar for LABEL_REF.
3740         (cris_output_addr_const_extra): Similar for UNSPEC.
3741         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3742         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3743         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3744         declaration.
3745         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3746         (cris_asm_output_label_ref): Declare.
3747
3748 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3749
3750         PR preprocessor/19801
3751         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3752         filenames that changed when libcpp was moved to the toplevel.
3753
3754 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3755
3756         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3757         zero extensions of BImode operands.  Call lowpart_subreg instead
3758         of gen_lowpart_common and gen_lowpart_SUBREG.
3759
3760 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3761
3762         PR ada/19489
3763         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3764         * configure.ac: Set cc_for_cross_gnattools.
3765         * configure: Regenerate.
3766
3767 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3768
3769         PR target/19803
3770         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3771
3772 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3773
3774         PR debug/19327
3775         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3776         of nested functions.
3777
3778 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3779
3780         * doc/extend.texi: Document deprecated extensions allowing
3781         static floating-point members to have initializers and allowing
3782         floating-point literals in integral constant expressions.
3783
3784 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3785
3786         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3787         config/darwin7.h, config/mips/mips.c,
3788         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3789         Update copyright.
3790
3791         * cse.c: Update comments.
3792
3793 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3794
3795         PR middle-end/19775
3796         * builtins.c (fold_builtin_sqrt): Transform
3797         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3798         pow(x,y*0.5).
3799
3800 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3801             Dorit Naishlos  <dorit@il.ibm.com>
3802
3803         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3804         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3805         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3806         was added.
3807         * tree.h (vect_set_verbosity_level): New extern function declaration
3808         added.
3809         * tree-vectorizer.h (verbosity_levels): New enum type.
3810         * tree-vectorizer.c (vect_debug_stats): Function removed.
3811         (vect_debug_details): Likewise.
3812         (vect_verbosity_level): Global variable was defined and initialized.
3813         (vect_dump): Global variable definition.
3814         (vect_print_dump_info): New function.
3815         (vect_set_dump_settings): New function.
3816         (vect_set_verbosity_level): New function.
3817         (vectorize_loops): Add call to vect_set_dump_settings.
3818
3819         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3820         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3821         (slpeel_tree_peel_loop_to_edge): Likewise.
3822
3823         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3824         appropriate verbosity level instead of call to vect_debug_details
3825         or vect_debug_stats.
3826         (vect_get_base_and_offset):
3827         (vect_create_addr_base_for_vector_ref):
3828         (get_vectype_for_scalar_type):
3829         (vect_create_data_ref_ptr):
3830         (vect_init_vector):
3831         (vect_get_vec_def_for_operand):
3832         (vect_finish_stmt_generation):
3833         (vectorizable_assignment):
3834         (vectorizable_operation):
3835         (vectorizable_store):
3836         (vectorizable_load):
3837         (vect_transform_stmt):
3838         (vect_update_ivs_after_vectorizer):
3839         (vect_do_peeling_for_loop_bound):
3840         (vect_update_inits_of_drs):
3841         (vect_do_peeling_for_alignment):
3842         (vect_transform_loop):
3843         (vect_is_simple_use):
3844         (vect_analyze_operations):
3845         (vect_is_simple_iv_evolution):
3846         (vect_analyze_scalar_cycles):
3847         (vect_analyze_data_ref_dependence):
3848         (vect_analyze_data_ref_dependences):
3849         (vect_compute_data_ref_alignment):
3850         (vect_enhance_data_refs_alignment):
3851         (vect_analyze_data_refs_alignment):
3852         (vect_analyze_data_ref_access):
3853         (vect_analyze_data_ref_accesses):
3854         (vect_analyze_pointer_ref_access):
3855         (vect_get_memtag_and_dr):
3856         (vect_analyze_data_refs):
3857         (vect_mark_relevant):
3858         (vect_stmt_relevant_p):
3859         (vect_mark_stmts_to_be_vectorized):
3860         (vect_can_advance_ivs_p):
3861         (vect_get_loop_niters):
3862         (vect_analyze_loop_form):
3863         (vect_analyze_loop):
3864         (vectorize_loops): Likewise.
3865
3866         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3867         (vect_update_inits_of_drs):
3868         (vect_do_peeling_for_alignment):
3869         (vect_transform_loop):
3870         (vect_analyze_operations):
3871         (vect_analyze_scalar_cycles):
3872         (vect_analyze_data_ref_dependences):
3873         (vect_analyze_data_refs_alignment):
3874         (vect_analyze_data_ref_accesses):
3875         (vect_analyze_data_refs):
3876         (vect_mark_stmts_to_be_vectorized):
3877         (vect_get_loop_niters):
3878         (vect_analyze_loop_form):
3879         (vect_analyze_loop): Likewise.
3880         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3881
3882 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3883
3884         PR bootstrap/19796
3885         Revert:
3886         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3887         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3888         either -ffast-math or -funsafe-math-optimizations is in use.
3889
3890         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3891         * config/mips/irix-csr.c: New file.
3892         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3893         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3894         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3895         executables.
3896
3897 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3898
3899         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3900         redundant, incorrect definitions.
3901
3902         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3903         expand.
3904         ("*tls_indirect_call"): New, reference hard regs directly.
3905         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3906
3907 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3908
3909         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3910         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3911
3912 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3913
3914         PR rtl-optimization/19800
3915         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3916         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3917         gen_lowpart.
3918
3919 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3920
3921         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3922
3923 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3924
3925         PR other/17135
3926         * doc/invoke.texi: Correct documentation of -freorder-functions.
3927
3928 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3929
3930         PR other/14402
3931         * doc/invoke.texi: Don't mention gccbug.
3932
3933 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3934             Andrew Pinski  <pinskia@physics.uc.edu>
3935             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3936
3937         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3938         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3939         into just (zero_extract:SI FOO (const_int 1) BAR).
3940
3941 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3942
3943         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3944         macro locally.  Don't give last revision date.  Use GCC version
3945         number from gcc-common.texi.
3946         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3947         revision date.  Use GCC version number from gcc-common.texi.
3948         Describe being a library as current state rather than as 3.x
3949         history.
3950         * doc/gcc.texi: Remove last update date.
3951         * doc/gccint.texi: Likewise.  Update copyright dates.
3952         * doc/install.texi: Update copyright dates.
3953
3954 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3955
3956         PR other/7549
3957         * doc/invoke.texi: Mention for each option included in -Wall that
3958         it is included in -Wall.
3959         * doc/gcc.texi: Update copyright and last modification date.
3960
3961 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3962
3963         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3964         unnecessary cast to original induction variable increments.
3965
3966 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3967
3968         PR tree-optimization/18219
3969         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3970         in distributed form.
3971
3972 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3973
3974         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3975         Set bitpos and offset later in the function.  Do nothing if the
3976         target is a register and if the bitfield lies completely outside
3977         that register.
3978         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3979         here.  Return an uninitialised register if the source value is stored
3980         in a register and the bitfield lies completely outside that register.
3981
3982 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3983
3984         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3985         not SET_DEST.
3986
3987 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3988
3989         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3990
3991 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3992
3993         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3994         * config/darwin8.h: New.
3995         * config/darwin7.h: Update comment.
3996
3997 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3998             Dorit Naishlos  <dorit@il.ibm.com>
3999
4000         * tree-vectorizer.h (LOC): New type.
4001         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
4002         (loop_line_number): New field in struct _loop_vec_info.
4003         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
4004
4005         * tree-vectorizer.c (input.h): Included.
4006         (find_loop_location): New function.
4007         (vect_debug_stats): Argument changed from loop to LOC. Computation of
4008         loop line number removed.
4009         (vect_debug_details): Likewise.
4010         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
4011
4012         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
4013         call to vect_debug_details/stats changed from loop to loop_loc.
4014         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4015         (slpeel_tree_peel_loop_to_edge): Likewise.
4016
4017         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
4018         changed from NULL to UNKNOWN_LOC.
4019         (vect_get_base_and_offset):
4020         (vect_create_addr_base_for_vector_ref):
4021         (get_vectype_for_scalar_type):
4022         (vect_create_data_ref_ptr):
4023         (vect_init_vector):
4024         (vect_get_vec_def_for_operand):
4025         (vect_finish_stmt_generation):
4026         (vectorizable_assignment):
4027         (vectorizable_operation):
4028         (vectorizable_store):
4029         (vectorizable_load):
4030         (vect_transform_stmt):
4031         (vect_update_ivs_after_vectorizer):
4032         (vect_do_peeling_for_loop_bound):
4033         (vect_do_peeling_for_alignment):
4034         (vect_transform_loop):
4035         (vect_is_simple_use):
4036         (vect_analyze_operations):
4037         (vect_is_simple_iv_evolution):
4038         (vect_analyze_scalar_cycles):
4039         (vect_analyze_data_ref_dependences):
4040         (vect_compute_data_ref_alignment):
4041         (vect_enhance_data_refs_alignment):
4042         (vect_analyze_data_ref_access):
4043         (vect_analyze_data_ref_accesses):
4044         (vect_analyze_pointer_ref_access):
4045         (vect_get_memtag_and_dr):
4046         (vect_analyze_data_refs):
4047         (vect_mark_relevant):
4048         (vect_stmt_relevant_p):
4049         (vect_mark_stmts_to_be_vectorized):
4050         (vect_can_advance_ivs_p):
4051         (vect_get_loop_niters):
4052         (vect_analyze_loop):
4053         (vectorize_loops): Likewise.
4054
4055         (vectorizable_load): Argument in call to vect_debug_details/stats
4056         changed from loop to LOOP_LOC (loop_vinfo).
4057         (vect_transform_loop):
4058         (vect_analyze_operations):
4059         (vect_analyze_scalar_cycles):
4060         (vect_analyze_data_ref_dependence):
4061         (vect_enhance_data_refs_alignment):
4062         (vect_analyze_data_ref_accesses):
4063         (vect_analyze_pointer_ref_access):
4064         (vect_analyze_data_refs):
4065         (vect_analyze_loop): Likewise.
4066
4067         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
4068         changed from loop to loop_loc.
4069
4070         (vect_enhance_data_refs_alignment): Removed unused variable loop.
4071
4072 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4073             Dorit Naishlos  <dorit@il.ibm.com>
4074
4075         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
4076         declaration added.
4077         (vect_analyze_data_ref_dependences): Likewise.
4078
4079         (vect_is_simple_use): Argument changed from loop structure to
4080         loop_vect_info structure.
4081         (vect_can_advance_ivs_p): Likewise.
4082         (vect_create_index_for_vector_ref): Likewise.
4083         (vect_update_ivs_after_vectorizer): Likewise.
4084         (new_stmt_vec_info): Likewise.
4085
4086         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4087         changed from loop to loop_vinfo.
4088         (vect_create_data_ref_ptr): First argument in call to
4089         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4090         (vectorizable_assignment): Second argument in call to vect_is_simple_use
4091         was changed from loop to loop_vinfo.
4092         (vectorizable_operation): Likewise.
4093         (vectorizable_store): Likewise.
4094         (vect_mark_stmts_to_be_vectorized): Likewise.
4095         (vect_do_peeling_for_loop_bound): First argument in call to
4096         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4097         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4098         was changed from loop to loop_vinfo.
4099         (vect_analyze_data_ref_dependences): Third argument in call to
4100         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4101
4102         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4103         (vect_create_data_ref_ptr): Likewise.
4104         (vect_init_vector): Likewise.
4105         (vect_get_vec_def_for_operand): Likewise.
4106         (vectorizable_assignment): Likewise.
4107         (vectorizable_operation): Likewise.
4108         (vectorizable_store): Likewise.
4109         (vectorizable_load): Likewise.
4110         (vect_update_ivs_after_vectorizer): Likewise.
4111         (vect_is_simple_use): Likewise.
4112         (vect_analyze_data_ref_dependence): Likewise.
4113         (vect_analyze_pointer_ref_access): Likewise.
4114         (vect_can_advance_ivs_p): Likewise.
4115
4116         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4117         before _stmt_vec_info.
4118         (_stmt_vec_info): Loop field replaced by loop_vec_info.
4119         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4120         (new_stmt_vec_info): Argument changed from loop structure to
4121         loop_vect_info structure
4122
4123         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4124         (vect_analyze_offset_expr): Avoid 80 columns overflow.
4125         (vect_create_addr_base_for_vector_ref): Likewise.
4126         (vect_analyze_pointer_ref_access): Likewise.
4127
4128 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4129
4130         PR tree-opt/19768
4131         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4132         phi flag if the phi is abnormal.
4133
4134 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4135
4136         PR tree-opt/19736
4137         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4138         information for the new statement.
4139
4140 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4141
4142         PR driver/19117
4143         * gcc.c (main): Include the target in -v output.
4144
4145 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
4146
4147         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4148         Do not drop the extend if we'd have to add a paradoxical subreg
4149         later.  Include optabs.h and insn-codes.h.
4150         * Makefile.in (combine.o): Depend on $(OPTABS_H).
4151
4152 2005-02-02  Roger Sayle  <roger@eyesopen.com>
4153
4154         PR middle-end/19405
4155         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4156         * fold-const.c (const_binop): Avoid constant folding floating
4157         point operations in modes that use composite representations.
4158         * simplify-rtx.c (simplify_binary_operation): Likewise.
4159
4160 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
4161
4162         * config/rs6000/altivec.md (altivec_dst): Make the first operand
4163         a REG, not a MEM.
4164         (altivec_dstt): Likewise.
4165         (altivec_dstst): Likewise.
4166         (altivec_dststt): Likewise.
4167         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4168         of first operand.
4169
4170 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4171
4172         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4173         EXPR_LOCUS from orig_cond to the new cond_stmt.
4174         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4175         the new vec_stmt.
4176
4177 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4178
4179         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4180         standard_iv_increment_position. Remove call to bsi_next
4181         (no need to bump the iterator anymore).
4182         (vect_create_index_for_vector_ref): Call
4183         standard_iv_increment_position. Remove second function argument.
4184         (vect_finish_stmt_generation): Remove call to bsi_next
4185         (no need to bump the iterator anymore).
4186         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4187         to vect_create_index_for_vector_ref.
4188
4189 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4190
4191         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4192         phis are used out of the loop.
4193
4194 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4195
4196         PR c/17807
4197         * c-decl.c (undef_nested_function): New variable.
4198         (pop_scope): Diagnose undefined nested functions.
4199         (finish_function): Don't attempt cgraph processing or genericizing
4200         if current top-level function contained an undefined nested
4201         function.  Reset undef_nested_function at the end of a top-level
4202         function.
4203
4204 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
4205
4206         * tree.c (build_int_cst_type): Take sign of the value into account
4207         when deciding whether sign extend the value.
4208
4209 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4210
4211         PR c/18502
4212         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4213         (cpp_options, cc1_options): Change %{std*&ansi} to
4214         %{std*&ansi&trigraphs}.
4215
4216 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4217
4218         * cse.c: Update comments.
4219
4220 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
4221
4222         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4223         arguments go on the stack.  Do not put complex doubles in odd/even
4224         pairs.
4225
4226 2005-02-02  Steven Bosscher  <stevenb@suse.de>
4227
4228         * doc/invoke.texi: Update the options enabled at -O1, -O2,
4229         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
4230         -ftree-pre, and -fthread-jumps.
4231
4232 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
4233
4234         PR tree-optimization/19578
4235         * tree-flow.h (modified_noreturn_calls): Declare.
4236         (noreturn_call_p): Declare.
4237         * tree-flow-inline.h (noreturn_call_p): New function.
4238         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4239         * tree-cfg.c (modified_noreturn_calls): New variable.
4240         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
4241         that contain a mid-block noreturn call.
4242         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4243
4244 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4245
4246         * df.c (df_def_record_1, df_uses_record): Don't use
4247         DF_FOR_REGALLOC.
4248         * df.h (DF_FOR_REGALLOC): Remove.
4249
4250 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4251
4252         PR c/19435
4253         * c-typeck.c (really_start_incremental_init): Reset
4254         constructor_max_index for arrays of incomplete type.
4255
4256 2005-02-02  Jeff Law  <law@redhat.com>
4257
4258         * gcse.c (struct reg_set): Store the block index where the register
4259         was set rather than the setting insn.
4260         (record_one_set, compute_transp): Corresponding changes.
4261         (pre_insert_copy_insn): Do not call replace_one_set.
4262         (replace_one_set): Remove.
4263
4264 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4265
4266         PR other/15514
4267         * doc/gcov.texi: Fix typo.
4268
4269 2005-02-01  Richard Henderson  <rth@redhat.com
4270
4271         PR target/19680
4272         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4273         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4274         type to bool.
4275         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4276         * config/i386/i386-protos.h: Update.
4277
4278 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4279
4280         PR tree-optimization/19217
4281         * tree-cfg.c (verify_expr): Use the data field to see if TP was
4282         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
4283         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4284         that it is walking a PHI node.
4285
4286 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
4287
4288         * doc/extend.texi (Nested Functions): Update.
4289
4290 2005-02-01  Richard Henderson  <rth@redhat.com>
4291
4292         PR 19696
4293         * optabs.c (expand_copysign_absneg): Export.
4294         * optabs.h (expand_copysign_absneg): Declare.
4295         * config/rs6000/rs6000.md (copysigntf3): New.
4296
4297 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4298
4299         PR tree-optimization/19633
4300         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4301         * tree-ssa-alias.c (init_alias_info): Initialize.
4302         (merge_pointed_to_info): Set.
4303         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4304         (dump_points_to_info_for): Show value of pt_null.
4305         (struct count_ptr_d): Declare.
4306         (find_ptr_dereference): Remove.
4307         (ptr_is_dereferenced_by): Remove.
4308         (count_ptr_derefs): New local function.
4309         (count_uses_and_derefs): New local function.
4310         (compute_points_to_and_addr_escape): Call it.  If the number
4311         of dereferences is greater than zero, mark the pointer as
4312         dereferenced.  If there are fewer dereferences than uses of
4313         the pointer, the pointer's value escapes.
4314
4315 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4316
4317         PR tree-optimization/19670
4318         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4319         here...
4320         (verify_use): ... set it here, instead.
4321
4322 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
4323
4324         * doc/sourcebuild.texi (Test directives): Fix formatting.
4325
4326         * doc/sourcebuild.texi (Test directives): Describe selector
4327         expressions.
4328
4329 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
4330
4331         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4332         specific 64-bit CPUs.
4333
4334 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
4335
4336         PR target/16201
4337         * arm.c (arm_eliminable_register): New function.
4338         (adjacent_mem_locations): Don't allow eliminable registers.  Use
4339         HOST_WIDE_INT for address offsets.
4340         * arm-protos.h (arm_eliminable_register): Add prototype.
4341
4342 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4343
4344         PR optimization/15242
4345         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4346         * basic-block.h (duplicate_computed_gotos): Add prototype.
4347         * bb-reorder.c (duplicate_computed_gotos): New function to
4348         duplicate sufficiently small blocks ending in a computed jump.
4349         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4350         if not optimizing for size.
4351         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4352         never do tail merging for blocks ending in a computed jump.
4353         * doc/invoke.texi: Document the max-goto-duplication-insns param.
4354
4355 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
4356
4357         Patch from Richard Sandiford <rsandifo@redhat.com>
4358         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4359         from inheriting a subreg equivalence with a non-spill register.
4360
4361         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4362
4363 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
4364
4365         * config/frv/frv.c (movcc_fp_destination_operand): New.
4366         (gpr_or_memory_operand): Fix typo in comment.
4367         (gpr_or_memory_operand_with_scratch): New.
4368         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4369         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4370         movcc_fp_destination_operand.
4371         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4372         Legitimize memory addresses using a scratch register.
4373
4374 2005-01-31  Jeff Law  <law@redhat.com>
4375
4376         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4377         bitmap a sparse bitmap instead of a simple bitmap.
4378         (mark_def_sites_initialize_block):  Corresponding changes.
4379         (ssa_mark_def_sites_initialize_block): Likewise.
4380         (ssa_mark_phi_uses): Likewise.
4381         (mark_def_site, ssa_mark_def_sites): Likewise.
4382         (mark_def_site_blocks): Likewise.
4383         (rewrite_ssa_into_ssa): Likewise.
4384
4385         * tree-ssa-dom.c (record_cond): Pass correct variable type
4386         for last argument to htab_find_slot_with_hash.
4387
4388         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4389         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4390
4391 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4392
4393         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4394         1_mmalua.
4395
4396 2005-02-01  Eric Christopher  <echristo@redhat.com>
4397
4398         * config/mips/mips.c (override_options): Warn if -mint64
4399         is used.
4400         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4401         deprecated.
4402
4403 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4404
4405         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4406         timestamp.
4407         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4408         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4409         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4410         (cached_regno): Initialize to INVALID_REGNUM.
4411         (cse_reg_info_table_size,
4412         cse_reg_info_table_first_uninitialized,
4413         cse_reg_info_timestamp): New.
4414         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4415         get_cse_reg_info.
4416         (init_cse_reg_info, get_cse_reg_info_1): New.
4417         (get_cse_reg_info): Cache the last look-up.
4418         (new_basic_block): Update the code to clear mappings from
4419         registers to cse_reg_info entries.
4420         (cse_main): Call init_cse_reg_info.
4421
4422         * cse.c (get_cse_reg_info): Update a comment.
4423
4424 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4425
4426         PR c/19333
4427         * c-decl.c (start_decl): Do not warn about arrays of elements with
4428         an incomplete type here.
4429         (grokdeclarator): Do it here by making a pedwarn an error.
4430         * c-typeck.c (push_init_level): If there were previous errors with
4431         the constructor type, do not warn about braces for initializers.
4432         (process_init_element): Likewise for excess initializer elements.
4433
4434 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4435
4436         * cse.c (delete_trivially_dead_insn): Don't iterate.
4437
4438 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4439
4440         * config/rs6000/rs6000.md (copysignsf3): New expand.
4441         (copysigndf3): Likewise.
4442
4443 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4444
4445         * recog.c (constrain_operands): Only look for earlyclobber operand
4446         conflicts if an '&' constraint was seen.
4447
4448 2005-01-31  Marc Espie <espie@openbsd.org>
4449
4450         * config.gcc: Don't include embedded systems fragment, switches default
4451         debugging format to ELF.
4452         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4453         longer pick it up there.
4454
4455 2005-01-31  Dale Johannesen  <dalej@apple.com>
4456
4457         * doc/extend.texi (nested functions): Fix linkage description.
4458         Clarify that static is not allowed.
4459
4460 2005-01-31  Dale Johannesen  <dalej@apple.com>
4461
4462         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4463         (movdf_low_di):  Make work.
4464
4465 2005-01-31  Dale Johannesen  <dalej@apple.com>
4466
4467         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4468         Make work for 64 bit.
4469
4470 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4471             Dale Johannesen  <dalej@apple.com>
4472
4473         PR middle-end/19650
4474         * fold-const.c (fold_binary_op_with_conditional_arg):
4475         Make types match original operands, before STRIP_NOPS.
4476
4477 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4478
4479         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4480         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4481         (struct gcc_sigcontext): Delete.  Merge contents to..
4482         (struct gcc_ucontext): ..here.
4483         (get_sigcontext): Delete.
4484         (get_regs): New function, like get_sigcontext but return regs ptr.
4485         64-bit version finds regs from r1 to support vdso.
4486         (ppc_linux_aux_vector): New function.
4487         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4488         and vector regs.
4489
4490 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4491
4492         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4493         sizetype.
4494         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4495         redundant fold. Fix misalignment for MINUS_EXPR.
4496         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4497         (vect_analyze_pointer_ref_access): Likewise.
4498         (vect_get_memtag_and_dr): Likewise.
4499
4500 2005-01-31  Richard Henderson  <rth@redhat.com>
4501
4502         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4503         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4504         absnegdf2_i387, absnegxf2_i387): Likewise.
4505
4506 2005-01-31  Richard Henderson  <rth@redhat.com>
4507
4508         PR 19696
4509         * optabs.c (expand_copysign_absneg): New.
4510         (expand_copysign_bit): Split out from ...
4511         (expand_copysign): ... here.  Use expand_copysign_absneg.
4512
4513 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4514
4515         PR middle-end/19697
4516         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4517         constant as the second operand and a register as the third.
4518
4519 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4520
4521         PR target/19704
4522         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4523         that dllimport'd functions do not use all call-clobbered registers
4524         to pass parameters.
4525
4526 2005-01-30  Richard Henderson  <rth@redhat.com>
4527
4528         PR 19696
4529         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4530         expand_abs_nojump and generalize.  Use operand_subword and
4531         emit_no_conflict_block.  Support large modes.
4532         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4533         back to maximum.
4534         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4535         negation to subtraction.
4536         (expand_copysign): Check that the format has signed zeros.
4537         Use operand_subword and emit_no_conflict_block.  Support large modes.
4538
4539 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4540
4541         Fix PR tree-optimization/19624
4542
4543         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4544         * tree-ssa-pre.c: Add cfgloop.h.
4545         Update comment.
4546         (pre_stats): New member, constified.
4547         (inserted_exprs): New static variable.
4548         (NECESSARY): New macro.
4549         (create_expression_by_pieces): Fold the expression, and
4550         mark it as defaulting to not necessary. Also put in
4551         inserted_exprs.
4552         (fully_constant_expression): New function.
4553         (insert_into_preds_of_block): Modify to not insert phis when we
4554         are playing with induction variables.
4555         Push phis onto the inserted_exprs vector, and mark them as not
4556         necessary by default.
4557         (insert_aux): Call fully_constant_expression on eprime.
4558         If all edges produce the same value, mark it constant.
4559         (mark_operand_necessary): New function.
4560         (remove_dead_inserted_code): New function.
4561         (init_pre): Init loop optimizer to get loop info.
4562         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4563         (execute_pre): Commit edge inserts, then remove dead code.
4564
4565 2005-01-30  Richard Henderson  <rth@redhat.com>
4566
4567         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4568         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4569
4570 2005-01-30  Richard Henderson  <rth@redhat.com>
4571
4572         PR target/19700
4573         * config/i386/i386.c (ix86_expand_copysign): New.
4574         (ix86_split_copysign_const): New.
4575         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4576         rearrange op1/nmask operands.
4577         * config/i386/i386-protos.h: Update.
4578         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4579         (copysigndf3): Likewise.
4580         (copysignsf3_const, copysigndf3_const): New.
4581         (copysignsf3_var): Rename from copysignsf3, split out splitter
4582         and fix split predicate for X constraint.
4583         (copysigndf3_var): Similarly.
4584
4585 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4586
4587         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4588         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4589         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4590
4591 2005-01-29  Richard Henderson  <rth@redhat.com>
4592
4593         PR target/19690
4594         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4595         of # and * in constraints.
4596
4597 2005-01-29  Richard Henderson  <rth@redhat.com>
4598
4599         PR middle-end/19689
4600         * expr.c (store_field): Don't strip sub-mode cast when the input
4601         data is even smaller.
4602
4603 2005-01-29  Richard Henderson  <rth@redhat.com>
4604
4605         PR middle-end/19687
4606         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4607         union being empty.
4608
4609 2005-01-29  Richard Henderson  <rth@redhat.com>
4610
4611         * combine.c (make_field_assignment): Fix argument order
4612         to gen_int_mode.
4613
4614 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4615
4616         PR tree-optimization/15791
4617         * fold-const.c (extract_array_ref): New function.
4618         (fold): Fold comparisons between &a[i] and &a[j] or
4619         semantically equivalent trees.
4620
4621 2005-01-29  Jeff Law  <law@redhat.com>
4622
4623         * gcse.c (insert_expr_in_table): Revamp handling of available
4624         and anticipatable occurrence lists to avoid unnecessary list
4625         walking.
4626         (insert_set_in_table): Similarly.
4627
4628 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4629
4630         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4631         build string type.
4632         (c_build_qualified_type): Build qualified array types with
4633         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4634         * c-decl.c (c_make_fname_decl): Build unqualified array type
4635         before qualified type.
4636         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4637         type is qualified, not just if type itself is.  Don't apply
4638         qualifiers to array type when declarator is processed.  Apply
4639         qualifiers to field type whether or not it is an array type.
4640         Don't handle array types specially for applying qualifiers to
4641         variables.
4642         * c-typeck.c (composite_type): Build unqualified element type and
4643         array type when forming composite of array types.
4644         (common_pointer_type, comptypes, comp_target_types,
4645         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4646         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4647         types.
4648         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4649         (args2) in variables a1 and a2.
4650
4651 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4652
4653         * cse.c (n_elements_made, max_elements_made): Remove.
4654         (insert): Don't touch n_elements_made.
4655         (cse_main): Don't touch n_elements_made or max_elements_made.
4656
4657 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4658
4659         PR target/15384
4660         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4661         configuration part of dp-bit.c to be lost.
4662
4663 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4664
4665         * expmed.c (expand_mult_highpart_optab): When attempting to use
4666         a non-widening multiplication in a wider mode, the operands need
4667         to be converted (zero or sign extended) to that mode.
4668
4669 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4670
4671         PR middle-end/16558
4672         PR middle-end/19583
4673         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4674         through if both operands fall through.
4675
4676 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4677
4678         * cse.c (fold_rtx) <PC>: Don't optimize.
4679
4680 2005-01-28  Jeff Law  <law@redhat.com>
4681
4682         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4683         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4684
4685 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4686
4687         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4688         cse_reg_info_used_list_end): Remove.
4689         (cse_reg_info_list, cse_reg_info_list_free): New.
4690         (get_cse_reg_info): When allocating an instance of
4691         cse_reg_info, add it to the beginning of the cse_reg_info_list
4692         list.  Remove code to maintain cse_reg_info_used_list.
4693         (new_basic_block): Reset the free list to the beginning of
4694         cse_reg_info_list.
4695
4696 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4697
4698         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4699         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4700         (frv_expand_mdpackh_builtin): New function.
4701         (frv_expand_builtin): Use it to expand __MDPACKH.
4702         * doc/extend.texi (__MDPACKH): Update documentation.
4703
4704 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4705
4706         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4707         SSE_FLOAT_MODE_P for use_sse computation.
4708
4709 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4710
4711         PR target/19663
4712         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4713
4714 2005-01-27  Richard Henderson  <rth@redhat.com>
4715
4716         * builtins.c (expand_builtin_copysign): New.
4717         (expand_builtin): Call it.
4718         * genopinit.c (optabs): Add copysign_optab.
4719         * optabs.c (init_optabs): Initialize it.
4720         (expand_copysign): New.
4721         * optabs.h (OTI_copysign, copysign_optab): New.
4722         (expand_copysign): Declare.
4723
4724         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4725         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4726
4727         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4728         (ix86_expand_fp_absneg_operator): ... here.
4729         (ix86_split_copysign): New.
4730         * config/i386/i386-protos.h: Update.
4731         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4732         (copysignsf3, copysigndf3): New.
4733
4734         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4735         (copysignsf3, ncopysignsf3): New.
4736         (copysigndf3, ncopysigndf3): New.
4737         (copysignxf3, ncopysignxf3): New.
4738         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4739
4740 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4741             Kazu Hirata  <kazu@cs.umass.edu>
4742
4743         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4744         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4745         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4746         NULL_RTX.
4747
4748 2005-01-27  Jeff Law  <law@redhat.com>
4749
4750         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4751         definitions of SSA_NAMEs which are not being rewritten.
4752         (rewrite_ssa_into_ssa): Only initialize the current definition
4753         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4754         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4755         SSA_NAMEs before returning.
4756
4757 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4758
4759         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4760         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4761         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4762         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4763         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4764
4765 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4766
4767         PR middle-end/17278
4768         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4769         higher to -O2 and higher.  Likewise for tree PRE.
4770         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4771         and better.
4772
4773 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4774
4775         PR middle-end/19583
4776         * gimple-low.c (try_catch_may_fallthru): New static function.
4777         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4778         * tree-inline.c (expand_call_inline): Don't warn about reaching
4779         the end of a non-void function being inlined if the function uses
4780         a return slot.
4781
4782 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4783
4784         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4785
4786         PR c/18946
4787         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4788         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4789         (implicitly_declare): Handle error_mark_node.
4790
4791 2005-01-27  Richard Henderson  <rth@redhat.com>
4792
4793         PR tree-opt/14329
4794         * tree.h (struct tree_decl): Add debug_expr_is_from.
4795         (DECL_DEBUG_EXPR_IS_FROM): New.
4796         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4797         * dwarf2out.c (dwarf2out_var_location): Update to match.
4798         * tree-outof-ssa.c (create_temp): Likewise.
4799         * var-tracking.c (track_expr_p): Likewise.
4800         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4801         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4802         * toplev.c (default_tree_printer): Likewise.
4803
4804 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4805
4806         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4807         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4808
4809 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4810
4811         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4812         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4813         ASM_CLOBBERS): Add tree checks.
4814
4815         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4816         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4817         * c-common.def (SWITCH_STMT): Update to match.
4818         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4819         macros instead of SWITCH_EXPR ones.
4820         * c-dump.c (c_dump_tree): Likewise.
4821         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4822         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4823
4824         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4825
4826 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4827
4828         * unwind-dw2.c (execute_stack_op): Add missing cases for
4829         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4830
4831 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4832
4833         * config.gcc (Obsolete configurations): Remove 'dummy', add
4834         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4835         sparc-*-openbsd*.
4836
4837 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4838
4839         PR tree-optimization/19633
4840         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4841         CALL_EXPRs.
4842         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4843         are no call-clobbered variables.
4844         * tree-outof-ssa.c (check_replaceable): Return false for calls
4845         with side-effects.
4846
4847 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4848
4849         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4850         even for variables with NULL DECL_INITIAL.
4851
4852 2005-01-26  Stuart Hastings  <stuart@apple.com>
4853
4854         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4855
4856 2005-01-26  Richard Henderson  <rth@redhat.com>
4857
4858         PR middle-end/18008
4859         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4860         field's type.
4861         * expr.c (store_field): Strip conversions to odd-bit-sized types
4862         if the destination field width matches.
4863
4864 2005-01-26  Richard Henderson  <rth@redhat.com>
4865
4866         * c-decl.c, expmed.c, expr.c: Revert last change.
4867
4868 2005-01-26  Richard Henderson  <rth@redhat.com>
4869
4870         PR middle-end/18008
4871         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4872         field's type.
4873         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4874         if we don't need the bits above those present in the current mode.
4875         * expr.c (store_field): Strip conversions to odd-bit-sized types
4876         if the destination field width matches.
4877
4878 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4879
4880         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4881         either -ffast-math or -funsafe-math-optimizations is in use.
4882
4883 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4884
4885         PR target/19293
4886         PR target/19329
4887         * config/avr/avr.c (notice_update_cc): Only set condition code for
4888         ashrqi3 if shift count > 0.
4889         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4890         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4891         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4892         count <= 0 as a no-op, and shift count >= width by copying zero
4893         or sign bit to all bits of the result.
4894         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4895         count, with attribute "length" set to 0 and "cc" set to "none".
4896
4897 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4898
4899         * doc/invoke.texi: Document -mTLS.
4900
4901         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4902         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4903         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4904         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4905         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4906         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4907         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4908         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4909
4910         * configure.ac: Check for a TLS capable gas.
4911
4912         * configure: Regenerate.
4913
4914 2005-01-26  Richard Henderson  <rth@redhat.com>
4915
4916         PR middle-end/18008
4917         * combine.c (make_field_assignment): Simplify store to zero_extract
4918         from a source with an overlapping mask.
4919
4920 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4921
4922         2004-11-11  Eric Christopher  <echristo@redhat.com>
4923
4924         * config/frv/frv.md: Add fr400_integer automaton. Don't
4925         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4926         to TYPE_MACC.
4927
4928 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4929
4930         PR middle-end/16585
4931         * cfgbuild.c (make_edges): Do not clear or set
4932         current_function_has_computed_jump.
4933         * function.h (struct function): Remove the has_computed_jump field.
4934         (current_function_has_computed_jump): Do not define.
4935         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4936         in a computed jump.  Ignore current_function_has_computed_jump.
4937
4938 2005-01-26  Richard Henderson  <rth@redhat.com>
4939
4940         PR middle-end/19515
4941         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4942         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4943         fully initialized.
4944         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4945         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4946         objects into static storage if they have more than one non-zero value.
4947         * tree.h (categorize_ctor_elements): Update decl.
4948
4949 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4950
4951         PR middle-end/19616
4952         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4953         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4954         to this function from 2004-07-10.
4955         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4956         the current function for tail call optimizations if the address
4957         of one of it its arguments is taken.
4958
4959 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4960
4961         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4962
4963 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4964
4965         * function.c (expand_function_end): If current_function_calls_alloca,
4966         emit stack restore in a place that is reached when the function falls
4967         through at the end.
4968
4969 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4970
4971         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4972         rule to avoid matching inappropriate suffix rule.
4973
4974 2005-01-26  Jan Hubicka  <jh@suse.cz>
4975
4976         PR tree-optimization/19241
4977         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4978
4979 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4980
4981         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4982         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4983         of doubling.
4984         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4985         <sim*>: Always use crt1.o, regardless of N in simN.
4986         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4987         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4988         (CRT_CALL_STATIC_FUNCTION): Remove.
4989         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4990         use crt1.o, regardless of N in simN.
4991         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4992         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4993         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4994         case isystem setting.
4995         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4996
4997 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4998
4999         * gimple-low.c (block_may_fallthru): Correct handling of
5000         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
5001
5002 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5003
5004         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
5005         handlers to match indentation; nested under the mtune=* handler.
5006         Similar for mcpu= and march=.
5007
5008 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
5009
5010         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
5011         * config/mips/linux64.h (LIB_SPEC): Likewise.
5012         * config/mn10300/linux.h (LIB_SPEC): Likewise.
5013         * config/sh/linux.h (LIB_SPEC): Likewise.
5014
5015 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
5016
5017         * config/frv/frv.c (frv_legitimize_tls_address): New.
5018         (TARGET_HAVE_TLS): Define.
5019         (FRV_SYMBOL_REF_TLS_P): Define.
5020         (frv_override_options): Handle new register classes.
5021         (frv_legitimate_address_p): Reject tls addresses.
5022         (frv_legitimize_address): Handle TLS addresses.
5023         (gen_inlined_tls_plt): New.
5024         (gen_tlsmoff): New.
5025         (frv_legitimize_tls_address): New.
5026         (unspec_got_name): Add TLS entries.
5027         (got12_operand): Add R_FRV_TLSMOFF12 case.
5028         (frv_emit_move): Fixup TLS addresses.
5029         (frv_emit_movsi): Legitimize TLS addresses.
5030
5031         * config/frv/frv.h (MASK_BIG_TLS): New.
5032         (TARGET_BIG_TLS): New.
5033         (HAVE_AS_TLS): Define.
5034         (TARGET_SWITCHES): Add -mTLS and -mtls options.
5035         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
5036         (REG_CLASS_NAMES): Same.
5037         (REG_CLASS_CONTENTS): Same.
5038         (CONSTRAINT_LEN): New.
5039         (REG_CLASS_FROM_CONSTRAINT): New.
5040         (PREDICATE_CODES): Add symbolic_operand.
5041
5042         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
5043         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
5044         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
5045         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
5046         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
5047         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
5048         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
5049         GR9_REG, GR14_REG, LRREG.
5050         (type): Add load_or_call attribute.
5051         ("load_or_call"): New reservation.
5052         ("call_gettlsoff"): New.
5053         ("tls_indirect_call"): New.
5054         ("tls_load_gottlsoff12"): New.
5055         ("tlsoff_hilo"): New.
5056         ("tls_tlsdesc_ldd"): New.
5057         ("tls_tlsoff_ld"): New.
5058         ("tls_lddi"): New.
5059
5060         * config/frv/frv-protos.h (symbolic_operand): Protoize.
5061
5062         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
5063
5064         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
5065         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
5066         * config/frv/frv.c (TLS_BIAS): Define.
5067         (frv_output_dwarf_dtprel): New.
5068
5069 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
5070
5071         PR rtl-optimization/19579
5072         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
5073         both A and B, see if they don't clobber registers the other expr uses.
5074
5075 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
5076
5077         * real.c (do_add): Initialize signalling and canonical members.
5078
5079         * real.c (real_from_integer): Zero out destination.
5080
5081 2005-01-18  Jan Hubicka  <jh@suse.cz>
5082
5083         PR tree-optimize/19337
5084         * tree-inline.c (initialize_inlined_parameters): Copy
5085         saved_static_chain_decl only.
5086
5087 2005-01-25  Richard Henderson  <rth@redhat.com>
5088
5089         PR target/19556
5090         PR target/19584
5091         * config/i386/i386.c (x86_inter_unit_moves): Zero.
5092         (ix86_preferred_reload_class): Rewrite fp-constant section, with
5093         80387 enabled, to return a proper subclass.  Return the subset that
5094         overlaps with GENERAL_REGS for PLUS.
5095         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5096
5097 2005-01-25  Richard Henderson  <rth@redhat.com>
5098
5099         PR middle-end/19609
5100         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5101
5102 2005-01-25  Roger Sayle  <roger@eyesopen.com>
5103
5104         * expmed.c (choose_multiplier): Change interface to return the
5105         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5106         (expand_divmod): Update calls to choose_multiplier.
5107
5108 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5109
5110         PR middle-end/19330
5111         * expmed.c (extract_bit_field): Use adjust_address instead of
5112         gen_lowpart when op0 is a MEM.
5113
5114 2005-01-24  Steven Bosscher  <stevenb@suse.de>
5115
5116         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5117
5118 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5119
5120         * config/mips/irix-csr.c: New file.
5121         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5122         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5123         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5124         executables.
5125
5126 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5127
5128         PR bootstrap/19364
5129         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5130         sparc/elf.h, add sparc/sp-elf.h.
5131         (sparc-*-rtems*): Likewise.
5132         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5133         tm-dwarf2.h, add sparc/sp-elf.h.
5134         (sparc86x-*-elf): Likewise.
5135         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5136         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5137         TARGET_OS_CPP_BUILTINS.
5138         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5139         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5140         Undefine it.
5141         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5142         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5143         (SWITCH_TAKES_ARG): Likewise.
5144         (LOCAL_LABEL_PREFIX): Likewise.
5145         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5146         (TARGET_N_FORMAT_TYPES): Delete.
5147         (TARGET_FORMAT_TYPES): Likewise.
5148         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5149         * config/sparc/elf.h: Delete.
5150         * config/sparc/sp-elf.h: New file.
5151
5152 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5153
5154         * tree-flow-inline.h (phi_arg_from_edge): Remove.
5155         * tree-flow.h: Remove the corresponding prototype.
5156         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5157         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5158
5159 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5160
5161         PR target/17751
5162         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5163         for AIX ABI or ELF -fPIC.
5164         (rs6000_emit_load_toc_table): Don't create toc_section here.
5165         (rs6000_xcoff_file_start): Nor here.
5166
5167 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
5168
5169         * sh.c (ra.h): Don't #include.
5170         (hard_regs_intersect_p): New function, resurrected from ra.c.
5171
5172         * sh.c: Fix 1996 Copyright.
5173
5174 2005-01-24  Richard Henderson  <rth@redhat.com>
5175             Aldy Hernandez  <aldyh@redhat.com>
5176
5177         * regrename.c (note_sets): Handle subregs.
5178
5179 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
5180
5181         PR bootstrap/18058
5182         * genconditions.c (write_header, write_conditions): Elide file if
5183         not GCC >= 3.0.1.
5184
5185 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5186
5187         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5188         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5189         Update copyright.
5190
5191 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5192
5193         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5194         expand_builtin_printf, expand_builtin_fprintf,
5195         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5196         checking against POINTER_TYPE.
5197         (validate_arglist): Handle POINTER_TYPE code by checking
5198         POINTER_TYPE_P.
5199
5200 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
5201
5202         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5203         init_rtlanal): New.
5204         (for_each_rtx): Call for_each_rtx_1.
5205         * rtl.h (init_rtlanal): Declare.
5206         * toplev.c (backend_init): Call init_rtlanal.
5207
5208 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5209
5210         * flow.c (propagate_one_insn): Formatting.
5211
5212         PR middle-end/19551
5213         * flow.c (libcall_dead_p): Be more conservative if unsure.
5214         If there are any instructions between insn and call, see if they are
5215         all dead before saying the libcall is dead.
5216
5217 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
5218
5219         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5220         operand constraint for operand 0.
5221
5222 2005-01-23  Richard Henderson  <rth@redhat.com>
5223
5224         PR 19486
5225         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5226         edges leading to join block.
5227
5228 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5229
5230         * expmed.c (expand_mult_highpart): Make static.  Change type of
5231         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5232         (expand_divmod): Updates calls to expand_mult_highpart by using
5233         gen_int_mode to pass a CONST_INT rtx.
5234         * rtl.h (expand_mult_highpart): Remove prototype.
5235
5236 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5237
5238         * flow.c (regset_bytes, regset_size): Remove.
5239
5240         * cfganal.c: Fix a reference to Harvey's paper.
5241
5242 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5243
5244         PR rtl-optimization/19464
5245         * tree-optimize.c (init_tree_optimization_passes): Add one more
5246         copyrename pass just before out-of-ssa.
5247
5248 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5249
5250         PR bootstrap/18058
5251         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5252         * ggc-none.c (ggc_free): Define.
5253
5254 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5255
5256         * cse.c (max_reg, max_insn_uid): Remove.
5257         (cse_main): Don't access max_reg or max_insn_uid.
5258
5259         * c-common.c (explicit_flag_signed_bitfields,
5260         lang_statement_code_p, lang_expand_function_end): Remove.
5261         * c-common.h: Remove the corresponding declarations.
5262         * c-opts.c (c_common_handle_option): Remove all write access
5263         to explicit_flag_signed_bitfields.
5264
5265         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5266         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5267         * cgraph.h: Remove the corresponding declaration.
5268
5269         * gcse.c (null_pointer_info): Remove.
5270
5271 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5272             Eric Botcazou  <ebotcazou@libertysurf.fr>
5273
5274         * combine.c (simplify_logical): Only simplify logical expressions
5275         of the form ior(and(x,y),z) by the inverse distributive law if the
5276         result is cheaper than the original.
5277
5278 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5279
5280         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5281         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5282         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5283         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5284         config/freebsd-spec.h, config/arm/arm.h,
5285         config/h8300/h8300.md, config/i386/i386.md,
5286         config/i386/predicates.md, config/i386/sse.md,
5287         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5288         config/vax/vax.md: Fix comment typos.  Follow spelling
5289         conventions.
5290
5291 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5292
5293         * gengtype.c (walk_type): Produce `not equal to' compares for loop
5294         tests, instead of `less than'.
5295
5296 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
5297
5298         * function.c (assign_parm_setup_block): When creating a new stack slot
5299         for a parameter, get its alignment from the parameter's DECL_ALIGN
5300         rather than the type's TYPE_ALIGN.  Make sure that the parameter
5301         is at least word aligned.
5302
5303 2005-01-22  Roger Sayle  <roger@eyesopen.com>
5304
5305         PR middle-end/19378
5306         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5307
5308 2005-01-22  Richard Henderson  <rth@redhat.com>
5309
5310         PR target/19506
5311         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5312         in both compare operands.
5313         (movdfcc_1_sse_max): Likewise.
5314         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
5315         (movdfcc_1_sse): Likewise.
5316         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5317         scratch register as needed.
5318
5319 2005-01-22  Richard Henderson  <rth@redhat.com>
5320
5321         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5322
5323         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5324
5325 2005-01-22  Richard Henderson  <rth@redhat.com>
5326
5327         * genopinit.c (optabs): Use smin/smax for floating point too.
5328         * doc/md.texi: Update to match.  Clarify that floating point
5329         results are undefined for +0/-0 and NaN.
5330         * doc/rtl.texi: Likewise.
5331         * rtl.def (SMIN, SMAX): Likewise
5332         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5333
5334         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5335         leading 's' to the name.
5336         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5337         smaxxf3, sminxf3): Likewise.
5338         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5339         Likewise.
5340
5341 2005-01-22  Paul Brook  <paul@codesourcery.com>
5342
5343         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5344
5345 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
5346
5347         * config/s390/s390.c (struct processor_costs): New fields
5348         dlgr, dlr, dr, dsgfr, dsgr.
5349         (z900_cost, z990_cost): Values for new fields.
5350         (s390_rtx_costs): New cases MEM und COMPARE in switch
5351         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5352         DIV, MOD, UDIV, UMOD.
5353
5354 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5355
5356         * config/s390/s390.md ("doloop_si64"): Reload input value directly
5357         into the register being decremented.
5358         ("doloop_si31", "doloop_di"): Likewise.
5359         ("*doloop_si_long"): Adapt pattern.
5360
5361 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5362
5363         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5364         access registers.
5365         (CLASS_MAX_NREGS): Likewise.
5366
5367 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
5368
5369         * doc/tree-ssa.texi (Statement Operands): Add example for new
5370         must-def macro. Note deprecation of old operands interface.
5371
5372 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
5373
5374         PR tree-optimization/19484
5375         * tree-cfg.c (remove_fallthru_edge): New function.
5376         (cleanup_control_flow): Remove fallthru edges from calls that are
5377         now known not to return.
5378
5379 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5380
5381         Fix PR tree-optimization/19038
5382         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5383         copies with loop variant ones.
5384
5385 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
5386
5387         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5388         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5389         config/alpha/alpha.md, config/alpha/predicates.md,
5390         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5391         config/sparc/sol2.h: Update copyright.
5392
5393         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5394         first label to see if it is a nonlocal label.
5395
5396 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5397             Andrew Pinski  <pinskia@physics.uc.edu>
5398
5399         PR target/19491
5400         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5401         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5402
5403 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5404
5405         * config/rs6000/rtems.h: Update copyright.
5406
5407 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5408
5409         PR target/19548
5410         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5411         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5412         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5413
5414 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5415
5416         PR c/18809
5417         * c-typeck.c (convert_arguments): Check for error_mark_node.
5418
5419 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5420
5421         PR tree-optimization/13000
5422         * tree-inline.c: Include "tree-flow.h".
5423         (expand_call_inline): If warn_return_type, warn if non-void inline
5424         function falls through.
5425         * tree-cfg.c (execute_warn_function_return): Don't warn about
5426         control reaching end if TREE_NO_WARNING is set.  Set
5427         TREE_NO_WARNING.
5428         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5429         has been lowered.
5430         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5431         branch if we don't need one.
5432         * c-typeck.c: Include "tree-flow.h"
5433         (c_finish_bc_stmt): Don't add a goto if the current statement
5434         list doesn't fall through to the current point.
5435
5436 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5437
5438         PR rtl-optimization/576
5439         * real.c (real_arithmetic): Change return type from void to bool
5440         to return an indication that the result may be inexact.
5441         * real.h (real_arithmeric): Update prototype.
5442         * fold-const.c (const_binop):  Don't constant fold floating
5443         point expressions when the user specifies -frounding-math and
5444         the result may depend upon the run-time rounding mode.
5445         (fold_convert_const_real_from_real): Clean-up.
5446         (fold_initializer): Ignore flag_rounding_math for initializers.
5447         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5448         constant fold FP operations with flag_rounding_math if the
5449         result may depend upon the run-time rounding mode.
5450
5451 2005-01-21  Tom Tromey  <tromey@redhat.com>
5452
5453         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5454
5455 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5456
5457         * tree-cfg.c: Fix comment typos.
5458
5459 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5460
5461         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5462         around the call to rest_of_handle_branch_target_load_optimize.
5463
5464 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5465
5466         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5467         (sparc64-*-openbsd*): Likewise.
5468         (sparclite-*-elf*): Include tm-dwarf2.h.
5469         (sparc86x-*-elf*): Likewise.
5470         (sparc64-*-elf*): Likewise.
5471         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5472         (DBX_DEBUGGING_INFO): Likewise.
5473         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5474         (PREFERRED_DEBUGGING_TYPE): Likewise.
5475         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5476         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5477         (PREFERRED_DEBUGGING_TYPE): Likewise.
5478         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5479         (PREFERRED_DEBUGGING_TYPE): Likewise.
5480         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5481
5482 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5483
5484         PR target/18701
5485         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5486
5487 2005-01-20  Paul Brook  <paul@codesourcery.com>
5488
5489         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5490
5491 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5492
5493         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5494         label is first in a sequence of labels.
5495
5496         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5497
5498 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5499             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5500
5501         * doc/sourcebuild.texi (Test Directives): New.
5502
5503 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5504
5505         * real.c (real_floor): Don't leave the result uninitialized when
5506         mode is VOIDMode, but return the unrounded intermediate value.
5507         (real_ceil): Likewise.
5508
5509 2005-01-20  Paul Brook  <paul@codesourcery.com>
5510
5511         * config/arm/arm.md (insv): Use gen_int_mode.
5512
5513 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5514
5515         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5516         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5517         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5518         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5519         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5520
5521 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5522
5523         Fix PR debug/19124
5524         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5525         fbreg, so we have to assume we can't.
5526         (loc_descriptor_from_tree_1): Ditto.
5527         (containing_function_has_frame_base): New function.
5528         (add_location_or_const_value_attribute): Use it.
5529         Also try to generate a frame_base from a single element location
5530         list.
5531
5532 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5533
5534         PR tree-optimization/15349
5535         * timevar.def (TV_TREE_MERGE_PHI): New.
5536         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5537         PHI_WANTED.
5538         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5539         calls to tree_forwarder_block_p.
5540         (remove_forwarder_block_with_phi, merge_phi_nodes,
5541         gate_merge_phi, pass_merge_phi): New.
5542         * tree-optimize.c (init_tree_optimization_passes): Add
5543         pass_merge_phi.
5544         * tree-pass.h: Add an extern for pass_merge_phi;
5545
5546 2005-01-20  Richard Henderson  <rth@redhat.com>
5547
5548         PR target/19418
5549         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5550         (_mm_castps_pd, _mm_castps_si128): New.
5551         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5552
5553 2005-01-20  Richard Henderson  <rth@redhat.com>
5554
5555         PR target/19530
5556         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5557         __builtin_ia32_vec_init_v2si.
5558         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5559         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5560         (ix86_init_mmx_sse_builtins): Create it.
5561         (ix86_expand_builtin): Expand it.
5562         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5563         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5564         (vec_extractv2si_0, vec_extractv2si_1): New.
5565
5566 2005-01-20  Richard Henderson  <rth@redhat.com>
5567
5568         PR target/16533
5569         * config/i386/i386.c (ix86_expand_push): New.
5570         * config/i386/mmx.md (push<MMXMODE>1): New.
5571         * config/i386/sse.md (push<SSEMODE>1): New.
5572         * config/i386/i386-protos.h: Update.
5573
5574 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5575
5576         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5577         copyright.
5578
5579 2005-01-20  Richard Henderson  <rth@redhat.com>
5580
5581         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5582         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5583
5584 2005-01-19  Richard Henderson  <rth@redhat.com>
5585
5586         PR target/19350
5587         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5588         to V4SFmode in SSE1 fallback load path.
5589
5590 2005-01-19  Richard Henderson  <rth@redhat.com>
5591
5592         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5593         in QImode expansion to ix86_expand_vector_set.
5594         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5595
5596 2005-01-19  Richard Henderson  <rth@redhat.com>
5597
5598         PR target/19511
5599         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5600         subclass of the input class.
5601         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5602         Always true for cross-SSE1 classes.  Rationalize conditionals.
5603         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5604         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5605         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5606         (movdi_2): Add MMX/SSE zeros.
5607         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5608         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5609         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5610         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5611         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5612         (zero_extendsidi2_rex64_1): Remove.
5613         (MOV0 peephole): Check GENERAL_REG_P.
5614
5615 2005-01-19  Richard Henderson  <rth@redhat.com>
5616
5617         PR target/19427
5618         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5619         shufps elements.
5620         (ix86_expand_vector_extract): Likewise.
5621
5622 2005-01-19  Richard Henderson  <rth@redhat.com>
5623
5624         PR middle-end/19304
5625         * expr.c (emit_move_change_mode): New argument force; use
5626         simplify_gen_subreg if true.
5627         (emit_move_via_alt_mode): Merge into ...
5628         (emit_move_via_integer): ... here.
5629         (emit_move_ccmode): Use emit_move_change_mode directly.
5630
5631 2005-01-19  Richard Henderson  <rth@redhat.com>
5632
5633         PR target/19518
5634         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5635         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5636         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5637         rtl if true.
5638         (alpha_emit_set_const): Likewise.  Make static.
5639         (alpha_emit_set_long_const): Make static.
5640         (alpha_extract_integer): Split out from alpha_expand_mov.
5641         (alpha_split_const_mov): Likewise.
5642         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5643         (alpha_legitimate_constant_p): New.
5644         * config/alpha/alpha-protos.h: Update.
5645         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5646         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5647         * config/alpha/alpha.md (movsi): Add n alternative.
5648         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5649         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5650         (splitters for all of the above): Use alpha_split_const_mov.
5651         * config/alpha/predicates.md (non_add_const_operand): New.
5652         (non_zero_const_operand): New.
5653         (input_operand): Use alpha_legitimate_constant_p after reload.
5654
5655 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5656
5657         PR tree-optimization/19038
5658         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5659         (add_candidate): Add ivs with increment in latch only if
5660         allow_ip_end_pos_p is true.
5661         (determine_iv_cost): Use empty_block_p.
5662
5663 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5664
5665         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5666         (compute_dominance_frontiers): Ditto.
5667
5668 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5669
5670         PR target/19529
5671         * config/sh/t-rtems: New.
5672         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5673
5674 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5675
5676         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5677         the offset of the selected field.
5678
5679 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5680
5681         * tree-cfg.c (remove_forwarder_block): Fix the check to
5682         prevent a nonlocal label from appearing in the middle of a
5683         basic block.
5684
5685 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5686
5687         PR rtl-optimization/19462
5688         * reorg.c (find_end_label): Create return insn only if
5689         current_function_epilogue_delay_list is empty.
5690
5691 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5692
5693         * doc/passes.texi: Remove paragraph mentioning new-ra.
5694
5695 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5696
5697         PR rtl-optimization/15139
5698         * combine.c: Include params.h.
5699         (count_rtxs): New function.
5700         (record_value_for_reg): If replace_rtx would replace at least
5701         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5702         (clobber (const_int 0)) instead of TEM.
5703         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5704         * params.h (MAX_LAST_VALUE_RTL): New.
5705         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5706         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5707
5708         PR c/17297
5709         * c-typeck.c (digest_init): Only call build_vector if all constructor
5710         elements are *_CST nodes.
5711         * gimplify.c (gimplify_init_constructor): Likewise.
5712
5713         PR middle-end/19164
5714         * c-typeck.c (digest_init): Only call build_vector if inside_init
5715         is a CONSTRUCTOR.
5716
5717 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5718
5719         * toplev.c (init_asm_output): Remove dead #ifdef.
5720
5721 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5722
5723         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5724
5725 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5726
5727         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5728         accessing DECL_FUNCTION_CODE.
5729         * dojump.c (do_jump): Likewise.
5730         * gimplify.c (gimplify_call_expr): Likewise.
5731         * predict.c (expr_expected_value): Likewise.
5732         (strip_builtin_expect): Likewise.
5733         * tree-inline.c (estimate_num_insns_1): Likewise.
5734         * tree-ssa-loop-im.c (stmt_cost): Likewise
5735         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5736         (tree_expr_nonnegative_p): Likewise.
5737
5738 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5739
5740         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5741         variant of the load_pcrel_sym pattern.
5742         * config/sparc/sparc.md (P macro): Move to the top.
5743         (load_pcrel_sym): Macroize using P.
5744         (save_register_window): Likewise.
5745
5746 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5747
5748         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5749         ("sordered"): Same.
5750
5751 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5752
5753         PR C/19472
5754         * c-typeck.c (build_asm_expr): Strip nops off
5755         input memory operands.
5756
5757 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5758
5759         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5760         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5761         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5762         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5763
5764 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5765
5766         PR target/19379
5767         * config/i386/i386.c (override_options): If the 80387 is disabled,
5768         then do not return FP values using FP registers.
5769
5770 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5771
5772         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5773         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5774         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5775         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5776         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5777         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5778         output.h, postreload-gcse.c, postreload.c, recog.c,
5779         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5780         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5781         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5782         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5783         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5784         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5785         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5786         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5787
5788         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5789         config/alpha/alpha.c, config/arm/vfp.md,
5790         config/i386/emmintrin.h, config/i386/i386-modes.def,
5791         config/i386/i386-protos.h, config/i386/i386.h,
5792         config/i386/pmmintrin.h, config/i386/ppro.md,
5793         config/i386/predicates.md, config/i386/xmmintrin.h,
5794         config/i860/i860.c, config/ia64/ia64-modes.def,
5795         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5796         config/ia64/ia64.md, config/ia64/itanium1.md,
5797         config/ia64/itanium2.md, config/ia64/predicates.md,
5798         config/iq2000/iq2000.h, config/mips/linux64.h,
5799         config/rs6000/aix41.h, config/rs6000/aix43.h,
5800         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5801         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5802         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5803         config/sparc/linux64.h, config/sparc/litecoff.h,
5804         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5805         config/sparc/sparc.h, config/sparc/sparc.md,
5806         config/sparc/sysv4-only.h: Update copyright.
5807
5808 2005-01-18  Richard Henderson  <rth@redhat.com>
5809
5810         PR target/19496
5811         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5812
5813 2005-01-18  Marc Espie  <espie@openbsd.org>
5814         * config/i386/openbsdelf.h: Typo.
5815
5816 2005-01-18  Richard Henderson  <rth@redhat.com>
5817
5818         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5819         special case for sse.
5820         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5821
5822 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5823
5824         * tree-inline.c (estimate_num_insns_1): Added cases for
5825         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5826
5827 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5828
5829         PR rtl-optimization/19296
5830         * combine.c (simplify_comparison): Rewrite the condition under
5831         which a non-paradoxical SUBREG of a PLUS can be lifted when
5832         compared against a constant.
5833
5834 2005-01-18  Andi Kleen <ak@muc.de>
5835
5836         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5837         * c.opt (-Wpointer-sign): Add.
5838         * doc/invoke.texi: (-Wpointer-sign): Add.
5839
5840 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5841
5842         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5843         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5844         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5845         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5846         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5847         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5848         for TARGET_MIX_SSE_I387.
5849         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5850         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5851         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5852         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5853         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5854         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5855         TARGET_MIX_SSE_I387.
5856         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5857         from expander.
5858
5859 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5860
5861         PR target/19424
5862         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5863         Add movaps alternative for xmm reg->reg move.
5864
5865 2005-01-17  Jeff Law  <law@redhat.com>
5866
5867         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5868         at the end of the main DOM loop rather than just before DOM exits.
5869
5870 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5871
5872         PR tree-optimization/19121
5873         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5874         adding aliases to a name tag, also add them to the pointer's
5875         type tag.
5876         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5877         sensitive alias info at all.  Only check that the two pointers
5878         have compatible pointed-to sets.
5879         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5880         a pointer's type tag is a superset of the alias set of the
5881         pointer's name tag.
5882
5883 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5884
5885         PR target/19357
5886         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5887         comment to document why.
5888
5889 2005-01-17  Richard Henderson  <rth@redhat.com>
5890
5891         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5892         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5893         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5894         sse2_vmsminv2df3_finite): New.
5895         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5896         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5897         Force op1 into register.
5898
5899 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5900
5901         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5902         bubblestrap from always rebuilding build directory.
5903
5904 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5905
5906         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5907         ("*cmpmem_short"): Likewise.
5908
5909 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5910
5911         * basic-block.h: Document BB_* flags.
5912         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5913         use an sbitmap instead.
5914         * sched-rgn.c (compute_trg_info): Likewise.
5915
5916 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5917
5918         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5919         redundant target_cpu_default and extra_parts lines.  Use the default
5920         "from-abi" ISA.
5921         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5922         (SUBTARGET_EXTRA_SPECS): Delete.
5923         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5924         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5925         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5926         and "n32" for -mabi=n32.
5927
5928 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5929
5930         PR c/5675
5931         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5932         fold constant variables into initial values.
5933
5934 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5935
5936         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5937
5938         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5939         through the statements backward.
5940
5941 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5942
5943         PR middle-end/13127:
5944         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5945         a variable set to the return value of the inlined function.
5946
5947 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5948
5949         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5950         when modes are tieable.
5951
5952 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5953
5954         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5955         of pthread_create to find out if threads are enabled.
5956         * gthr-posix95.h (__gthread_active_p): Likewise.
5957
5958 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5959
5960         * common.opt (-fnew-ra): Remove.
5961         * ra*.*: Remove.
5962         * toplev.h (flag_new_regalloc): Remove.
5963         * Makefile.in (ra*.*): Don't mention.
5964         * passes.c (rest_of_handle_new_regalloc): Remove.
5965         (rest_of_handle_combine, rest_of_compilation): Always consider
5966         flag_new_regalloc as false.
5967         * doc/invoke.texi: Don't document -fnew-ra.
5968
5969 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5970
5971         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5972         last parameter to reg_scan.
5973         * loop.c (loop_optimize): Likewise.
5974         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5975         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5976         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5977         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5978         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5979         * regclass.c (reg_scan): Likewise, for the declaration.
5980         * rtl.h (reg_scan): Likewise, for the prototype.
5981
5982 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5983
5984         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5985         mark_dfs_back_edges.
5986
5987 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5988
5989         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5990         (compute_avail): Uses don't go in tmp_gen.
5991
5992 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5993
5994         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5995         loop to look for a free slot in a page entry.
5996
5997 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5998
5999         PR target/16304
6000         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
6001         * toplev.c (compile_file): Call process_pending_assemble_output_defs
6002         just before targetm.asm_out.file_end.
6003         * tree.h (process_pending_assemble_output_defs): Declare.
6004         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
6005         New functions.
6006         (assemble_alias): Defer generation of assembly code for defines when
6007         TARGET_DEFERRED_OUTPUT_DEFS is true.
6008         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6009         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6010         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
6011
6012 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6013
6014         PR target/19336
6015         * pa.c (pa_scalar_mode_supported_p): New function.
6016         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6017         * pa.h (MIN_UNITS_PER_WORD): Add comment.
6018
6019         * pa-protos.h (prefetch_operand): Delete.
6020         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
6021         * pa.c (prefetch_operand): Delete.
6022         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
6023         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
6024         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
6025         and prefetch_nocc_operand.
6026         * pa.md (prefetch): Rework to avoid reload problems handling short
6027         displacements when a cache control completer needs to be provided.
6028         (prefetch_32, prefetch_64): Delete.
6029         (prefetch_cc, prefetch_nocc): New patterns.
6030
6031 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
6032
6033         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
6034
6035 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6036
6037         PR ada/19388
6038         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
6039         exceeds maximum alignment for global common data.
6040         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
6041         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
6042
6043 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6044
6045         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
6046
6047 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6048
6049         * harg-reg-set.h (reg_class_names): Prototype global array.
6050         * regclass.c (reg_class_names): Declare here and initialize to
6051         REG_CLASS_NAMES.
6052         (dump_regclass): Remove local declaration of reg_class_names.
6053         (regclass): Likewise.
6054         * cfg.c (dump_flow_info): Likewise.
6055         * ra-debug.c (reg_class_names): Likewise.
6056         * regrename.c (reg_class_names): Likewise.
6057         * reload.c (reg_class_names): Likewise.
6058         * reload1.c (spill_failure): Likewise.
6059         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
6060
6061 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
6062
6063         * config/s390/s390.md ("reload_outti"): Remove predicate for
6064         output operand.  Abort if operand is not a MEM.
6065         ("reload_outdi", "reload_outdf"): Likewise.
6066
6067 2005-01-15  Marc Espie  <espie@openbsd.org>
6068
6069         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
6070         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
6071         * config/openbsd.h:  Fix C++ includes for native configurations.
6072         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
6073         Add trampoline support.
6074         * config/i386/openbsdelf.h: New.
6075
6076 2005-01-15  Marc Espie  <espie@openbsd.org>
6077
6078         * collect2.c (main): Explicitly parse -dynamic-linker option.
6079
6080 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
6081
6082         PR tree-optimization/19060
6083         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6084         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6085         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6086         and handle extract_range_from_cond returning false.
6087         * fold-const.c (fold): Optimize comparisons with min/max even for
6088         width > HOST_BITS_PER_WIDE_INT.
6089
6090 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
6091
6092         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6093         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6094         Remove little endian multilib variants.
6095         Add mips32 multilib variant.
6096
6097 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
6098
6099         * explow.c (copy_all_reg, stabilize): Remove.
6100         * expr.h: Remove the corresponding prototypes.
6101
6102         * rtlanal.c (regs_set_between_p): Remove.
6103         * rtl.h: Remove the corresponding prototype.
6104
6105 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
6106
6107         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6108         to rs6000_nonimmediate_operand.
6109         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6110         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6111         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6112         rs6000_nonimmediate_operand.
6113         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6114         rs6000_nonimmediate_operand.
6115
6116 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
6117
6118         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6119
6120 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6121
6122         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6123         on e500v2.
6124         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6125         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6126
6127         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6128         (rs6k_nonimmediate_operand): New.
6129         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6130         correctly.
6131         (legitimate_lo_sum_address_p): Same.
6132         (rs6000_legitimize_address): Same.
6133         (rs6000_legitimize_reload_address): Same.
6134         (rs6000_legitimate_address): Same.
6135         (spe_build_register_parallel): Pass DF and DC modes in a DI
6136         register.
6137
6138         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6139         to rs6k_nonimmediate_operand.
6140
6141         * config/rs6000/spe.md ("*frob_df_di"): New.
6142         ("*frob_di_df"): New.
6143         ("*frob_di_df_2"): New.
6144         ("*mov_sidf_e500_subreg0"): New.
6145         ("*mov_sidf_e500_subreg4"): New.
6146         ("*movdf_e500_double"): Change predicate to
6147         rs6k_nonimmediate_operand.
6148
6149 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6150
6151         * postreload.c (move2add_note_store): Only call
6152         trunc_int_for_mode on scalar integers.
6153
6154 2005-01-14  Steven Bosscher  <stevenb@suse.de>
6155
6156         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6157         replace BB_VISITED uses.
6158         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6159         (propagate_necessity): Check the bitmap instead of BB_VISITED.
6160         (tree_dce_done): Free visited_control_parents.
6161         (perform_tree_ssa_dce): Allocate and clear it.
6162         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6163         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
6164         instead of BB_VISITED.
6165
6166 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
6167
6168         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6169         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6170         Remove unused prototypes.
6171
6172 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6173
6174         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6175         64-bit register usage.
6176         (spe_func_has_64bit_regs_p): Add FIXME note.
6177
6178 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6179
6180         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6181         flag_finite_math_only with flag_unsafe_math_optimizations.
6182
6183 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
6184
6185         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6186         end-of-stack check.
6187         (__tpf_eh_return): Copy TPF private stack area from the module
6188         boundary stack frame.  Add check for when module addresses are
6189         equal, but no stub address is found.
6190
6191 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
6192
6193         PR target/7525
6194         * arm.h (struct machine_function): Add call_via field.
6195         (thumb_call_via_label): Declare.
6196         * arm.c (thumb_call_via_label): New variable.
6197         (thumb_call_reg_needed): New variable.
6198         (arm_output_function_epilogue): For Thumb code, output any per-function
6199         call-indirect trampolines.
6200         (thumb_call_via_reg): New function.
6201         (arm_file_end): New function.
6202         (TARGET_ASM_FILE_END): Call arm_file_end.
6203         (aof_file_end): Likewise.
6204         * arm-protos.h (thumb_call_via_reg): Declare.
6205         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6206         thumb_call_via_reg in normal case.
6207
6208 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
6209
6210         PR middle-end/19084
6211         PR rtl-optimization/19348
6212         * recog.c (peephole2_optimize): Do global life update if some peephole
6213         decides it doesn't need at least one of its inputs and that change
6214         influences liveness at the start of the basic block.
6215
6216         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6217         arguments instead of 1.
6218
6219 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
6220
6221         PR middle-end/18820
6222         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6223         zero for nested functions needing a static chain or functions
6224         with a non-constant address.
6225
6226 2005-01-13  Roger Sayle  <roger@eyesopen.com>
6227
6228         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6229         (and (sign_extend X) C) into (zero_extend (and X C)).
6230
6231 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
6232
6233         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
6234
6235 2005-01-13  Richard Henderson  <rth@redhat.com>
6236
6237         PR target/19009
6238         PR target/19250
6239         PR target/19252
6240         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6241         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6242         not just TARGET_SSE.
6243         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
6244         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6245         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6246         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6247         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6248         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6249         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6250         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6251         (movdicc_c_rex64): Rename with '*'.
6252         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6253         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6254         (movsfcc_1_387): Rename from movsfcc_1.
6255         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6256         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6257         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6258         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6259         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6260         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6261         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6262         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6263         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6264         sse_movdfcc_const0_4): Remove.
6265         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6266         recognize min/max early.  Update for changed sse cmove patterns.
6267         (ix86_split_sse_movcc): New.
6268         * config/i386/i386-protos.h: Update.
6269
6270 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6271
6272         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6273         (fix_stmt_v_may_defs): Likewise.
6274
6275 2005-01-13  Richard Henderson  <rth@redhat.com>
6276
6277         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6278         for converting the mask.
6279
6280 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
6281
6282         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6283         definition to 600.
6284
6285 2005-01-13  Richard Henderson  <rth@redhat.com>
6286
6287         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6288         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6289         IX86_BUILTIN_MOVDQ2Q): Remove.
6290         (IX86_BUILTIN_VEC_EXT_V4SI): New.
6291         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6292         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6293         shuffling.
6294         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6295         (sse2_pextrw): Fix immediate constraint.
6296         (sse2_loadq, sse2_loadq_rex64): Remove.
6297         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6298         Use __builtin_ia32_vec_ext_<size>.
6299         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6300
6301 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
6302
6303         * function.c (assign_parm_setup_block): Look inside original
6304         entry_parm when inspecting PARALLEL.
6305
6306 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
6307             Joel Sherrill  <joel@oarcorp.com>
6308
6309         PR target/19399
6310         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6311         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6312         rtems_gxx_recursive_mutex_init.
6313         (__gthread_recursive_mutex_lock): New function.
6314         (__gthread_recursive_mutex_trylock): Likewise.
6315         (__gthread_recursive_mutex_unlock): Likewise.
6316
6317 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
6318
6319         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6320
6321 2005-01-13  Jan Beulich  <jbeulich@novell.com>
6322
6323         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6324         (ashrti3_internal): Indicate output is early clobber. Generate result
6325         into output rather than first input. Use move for low word of output
6326         if shift count is exactly 64.
6327         (lshrti3_internal): Likewise.
6328
6329 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
6330
6331         PR target/18329
6332         PR target/18330
6333         * reload1.c (delete_output_reload): Don't delete an output reload
6334         if the pseudo lives longer than a single basic block.  Adjust and
6335         improve wording of comment.
6336
6337 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
6338
6339         PR target/19334
6340         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6341         of TYPE_SIZE where we mean the number of bytes.
6342
6343 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
6344
6345         * function.c (assign_parm_setup_block): Relax condition on
6346         multi-register optimization.
6347
6348 2005-01-12  Nick Clifton  <nickc@redhat.com>
6349
6350         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6351         an "in_delay_slot" attribute of "no" to prevent them being used in
6352         delay slots.  This is forbidden because they might generate
6353         exceptions.
6354
6355 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
6356
6357         PR target/19389
6358         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6359         with r->Y and Y->r.
6360
6361 2005-01-12  Nick Clifton  <nickc@redhat.com>
6362
6363         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6364         passed on to GAS) but do not define, as GAS no longer supports or
6365         needs the -m2000 option.
6366
6367 2005-01-11  Roger Sayle  <roger@eyesopen.com>
6368
6369         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6370         type as args of unprototyped builtins aren't automatically promoted.
6371         (fold_builtin_abs): Likewise.
6372
6373 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6374
6375         * Makefile.in: Set a `build-warn' variable.
6376
6377 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
6378
6379         PR tree-optimization/17949
6380         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6381         (find_interesting_uses_address): Use it.
6382
6383 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
6384
6385         * regrename.c (kill_value): Handle subreg's that won't simplify.
6386
6387 2005-01-11  Richard Henderson  <rth@redhat.com>
6388
6389         PR target/13366
6390         * config/i386/i386.h (enum ix86_builtins): Move ...
6391         * config/i386/i386.c: ... here.
6392         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6393         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6394         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6395         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6396         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6397         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6398         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6399         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6400         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6401         IX86_BUILTIN_LOADDDUP): Remove.
6402         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6403         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6404         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6405         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6406         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6407         (ix86_init_builtins): Make static.
6408         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6409         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6410         if all the modes match.  Otherwise, fake it.
6411         (get_element_number, ix86_expand_vec_init_builtin,
6412         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6413         (ix86_expand_builtin): Make static.  Update for changed builtins.
6414         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6415         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6416         (ix86_expand_vector_init_duplicate): New.
6417         (ix86_expand_vector_init_low_nonzero): New.
6418         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6419         Split out from ix86_expand_vector_init; handle integer modes.
6420         (ix86_expand_vector_init): Use them.
6421         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6422         * config/i386/i386-protos.h: Update.
6423         * config/i386/predicates.md (reg_or_0_operand): New.
6424         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6425         (movv2sf_internal): Likewise.  And a splitter to match them all.
6426         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6427         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6428         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6429         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6430         (mmx_pinsrw): Fix operand ordering.
6431         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6432         rather than sse_loadss expander.
6433         (movv2df splitter): Similarly.
6434         (sse_loadss, sse_loadlss): Remove.
6435         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6436         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6437         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6438         (sse3_movddup): Rename with '*'.
6439         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6440         (sse2_loadsd): Remove.
6441         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6442         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6443         (sse2_pinsrw): Fix argument ordering.
6444         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6445         (sse2_stored): Remove 'r' destination.
6446         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6447         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6448         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6449         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6450         vec_extractv16qi, vec_initv16qi): New.
6451
6452         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6453         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6454         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6455         constructor form.
6456         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6457         (_mm_load_si128, _mm_store_si128): Likewise.
6458         (_mm_load1_pd): Use _mm_set1_pd.
6459         (_mm_load_sd): Use _mm_set_sd.
6460         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6461         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6462         (_mm_set_epi64): Use _mm_set_epi64x.
6463         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6464         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6465         _mm_setr_epi8): Use _mm_set_foo form.
6466         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6467         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6468         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6469         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6470         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6471         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6472         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6473         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6474         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6475         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6476         (_mm_movedup_pd): Use _mm_shuffle_pd.
6477         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6478         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6479         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6480         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6481         Use _mm_setzero_ps.
6482         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6483         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6484         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6485         (_mm_store_ps): Use raw dereference.
6486         (_mm_store1_ps): Use _mm_storeu_ps.
6487         (_mm_storer_ps): Use _mm_store_ps.
6488         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6489         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6490
6491 2005-01-11  Stan Shebs  <shebs@apple.com>
6492
6493         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6494         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6495
6496 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6497
6498         PR target/18761
6499         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6500         Skip all DECLs except for FIELD_DECLs.
6501
6502 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6503
6504         * config/s390/s390.c (override_options): Return error if
6505         -mbackchain, -mpacked-stack and -mhard-float are used together.
6506         (s390_va_start): Remove the backchain && packed-stack special case.
6507         (s390_gimplify_va_arg): Likewise.
6508         * doc/invoke.texi: Remove the ABI incompatibility note.
6509
6510 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6511
6512         * config/s390/s390.c (struct s390_frame_layout): Remove
6513         save_backchain_p.
6514         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6515         save_backchain_p with TARGET_BACKCHAIN.
6516
6517 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6518
6519         PR target/18916
6520         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6521         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6522         * function.c (locate_and_pad_parm): Set new field.
6523         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6524         Tweak where_pad test to include "none".  Always set mem align for
6525         stack_parm.
6526         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6527         not sufficient for type.
6528         (assign_parm_setup_block): If stack_parm is zero on entry, always
6529         make a new stack local.  Block move old stack parm if necessary
6530         to new aligned stack local.
6531         (assign_parm_setup_stack): Use a block move to handle
6532         potentially misaligned entry_parm.
6533         (assign_parms_unsplit_complex): Specify required alignment when
6534         creating stack local.
6535         * calls.c (compute_argument_addresses): Override alignment of stack
6536         arg calculated from its type with the alignment given by
6537         FUNCTION_ARG_BOUNDARY.
6538         (store_one_arg): Likewise.
6539
6540 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6541
6542         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6543         Change respective itanium_class attribute to ialu.
6544         (shladdp4_internal): New.
6545         * config/ia64/predicates.md (shladd_log2_operand): New.
6546
6547 2005-01-11  Richard Henderson  <rth@redhat.com>
6548
6549         * expr.c (store_constructor): Use rtvec_alloc instead of
6550         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6551
6552 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6553
6554         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6555
6556 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6557
6558         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6559         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6560         (TARGET_RWRELOC): Define.
6561         (ia64_rwreloc_section_type_flags): Delete.
6562         (ia64_section_type_flags): New function.
6563         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6564         (TARGET_RWRELOC): Define.
6565
6566 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6567
6568         PR target/18987
6569         * config/ia64/ia64.c (process_set): For alloc insn, only call
6570         process_epilogue is !frame_pointer_needed.
6571
6572 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6573
6574         PR c++/19355
6575         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6576         unary operator and can't be treated as a binary/comparison operator.
6577
6578 2005-01-10  Richard Henderson  <rth@redhat.com>
6579
6580         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6581         (ix86_return_in_memory): Likewise.
6582         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6583         for choosing register to advance.
6584
6585 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6586
6587         * tree-vectorizer.c, tree.def: Fix comment typos.
6588
6589 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6590
6591         * config/s390/s390.c (struct processor_costs): 4 new fields:
6592         ddbr, ddr, debr, der.
6593         (s390_rtx_costs): More precise handling of divide instructions.
6594
6595 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6596
6597         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6598
6599 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6600
6601         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6602         names resulting from -ffunction-sections/-fdata-sections and linkonce
6603         ones.
6604         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6605         based on the section name. Rearrange the section name comparison logic
6606         slightly so that each section name is compared against at most once.
6607
6608 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6609
6610         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6611         targets for which -fPIC reduces limitations on the GOT size.
6612
6613 2005-01-09  Falk Hueffner  <falk@debian.org>
6614
6615         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6616         X/C1 cmpop C2.
6617
6618 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6619
6620         PR target/18720
6621         * collect2.c (main): Set aixrtl_flag for -brtl option.
6622         (resolve_lib_name): Search for .so file extension before .a
6623         if aixrtl_flag set.
6624
6625 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6626
6627         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6628         (vect_analyze_data_refs_alignment): Add dump prints.
6629
6630 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6631
6632         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6633         expr_invariant_in_loop_p.
6634         Initialize outputs first thing in the function.
6635         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6636         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6637         (vect_analyze_pointer_ref_access): Check that the initial condition of
6638         the access function is loop invariant.
6639
6640 2005-01-09  Richard Henderson  <rth@redhat.com>
6641
6642         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6643         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6644         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6645         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6646         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6647         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6648         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6649         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6650         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6651         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6652         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6653         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6654         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6655         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6656         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6657         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6658         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6659         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6660         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6661         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6662         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6663         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6664         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6665         mmx_ prefix.
6666         (mmx_clrdi, pavgusb): Remove.
6667         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6668         with leading sse_ prefix.
6669         * config/i386/sse.md: Receive them.
6670         * config/i386/mmx.md: New file.
6671         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6672         (subrv2sf3): Turn into expander for normal subtraction.
6673         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6674         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6675         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6676         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6677         commutative; use ix86_binary_operator_ok.
6678         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6679         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6680         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6681         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6682         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6683         Macroize from existing patterns; use ix86_binary_operator_ok.
6684         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6685         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6686         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6687         with vec_select+vec_concat.
6688         (mmx_pshufw, mmx_pshufw_1): Likewise.
6689         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6690         (mmx_uavgv4hi3): Model correctly.
6691         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6692         _mm_xor_si64): Remove casts.
6693
6694 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6695
6696         PR tree-optimization/19224
6697         * tree-scalar-evolution.c (get_instantiated_value,
6698         set_instantiated_value): New functions.
6699         (instantiate_parameters_1): Cache the results.
6700         (instantiate_parameters, resolve_mixers): Initialize and free
6701         the cache.
6702
6703 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6704
6705         * config/i386/i386.md (addhi_4): Correct reference in comment.
6706         (addqi_4): Same.
6707
6708 2005-01-08  Richard Henderson  <rth@redhat.com>
6709
6710         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6711         (_mm_cvtsi128_si64x): Likewise.
6712         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6713         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6714         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6715         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6716         * config/i386/i386-protos.h: Update.
6717         * config/i386/i386.c (print_operand): Add 'H'.
6718         (ix86_fixup_binary_operands): Split out from ...
6719         (ix86_expand_binary_operator): ... here.
6720         (ix86_fixup_binary_operands_no_copy): New.
6721         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6722         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6723         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6724         (safe_vector_operand): Use CONST0_RTX.
6725         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6726         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6727         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6728         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6729         special cases.
6730         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6731         (IX86_BUILTIN_CMPNGESS): New.
6732         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6733         (attr type): Add sselog1.
6734         (attr unit, attr memory): Handle it.
6735         (movti, movti_internal, movti_rex64): Move near other integer moves.
6736         (movtf, movtf_internal): Move near other fp moves.
6737         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6738         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6739         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6740         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6741         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6742         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6743         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6744         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6745         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6746         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6747         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6748         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6749         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6750         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6751         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6752         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6753         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6754         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6755         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6756         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6757         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6758         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6759         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6760         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6761         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6762         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6763         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6764         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6765         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6766         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6767         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6768         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6769         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6770         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6771         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6772         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6773         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6774         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6775         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6776         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6777         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6778         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6779         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6780         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6781         same time.
6782         (SSEPUSH, push<SSEPUSH>): Remove.
6783         (MMXPUSH, push<MMXPUSH>): Remove.
6784         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6785         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6786         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6787         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6788         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6789         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6790         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6791         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6792         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6793         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6794         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6795         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6796         (ppro_sse_log_V4SF): Handle sselog1.
6797         * config/i386/predicates.md (const_0_to_1_operand): New.
6798         (const_0_to_255_mul_8_operand): New.
6799         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6800         (const_2_to_3_operand, const_4_to_7_operand): New.
6801         * config/i386/sse.md: New file.
6802         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6803         (sse_movups): Rename from sse_movups_1.
6804         (sse_loadlss): Rename from sse_loadss_1.
6805         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6806         from the name.
6807         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6808         (absv4sf2, negv2df, absv2df): New.
6809         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6810         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6811         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6812         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6813         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6814         (sse3_addsubv4sf3): Model correctly.
6815         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6816         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6817         (sse_movhlps): Model with vec_select+vec_concat.
6818         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6819         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6820         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6821         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6822         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6823         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6824         sse2_pshufhw_1): Likewise.
6825         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6826         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6827         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6828         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6829         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6830         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6831         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6832         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6833         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6834         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6835         sminv8hi3): Mark commutative
6836         operands.  Use ix86_binary_operator_ok.
6837         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6838         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6839         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6840         sse2_punpcklqdq): Allow operand2 in memory.
6841         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6842         sse2_movsd): Add memory alternatives.
6843         (sse_storelps): Turn expander into an insn; split after reload.
6844         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6845         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6846
6847 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6848
6849         * configure.ac (DWARF-2 debug_line): Use objdump.
6850         * configure: Regenerate.
6851
6852 2005-01-08  Jeff Law  <law@redhat.com>
6853             Diego Novillo  <dnovillo@redhat.com>
6854
6855         PR tree-optimization/18241
6856         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6857         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6858         statements with volatile operands.
6859         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6860         operands after marking a statement with has_volatile_ops.
6861
6862 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6863
6864         * tree.c (int_fits_type_p): Always honor integer constant
6865         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6866
6867 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6868
6869         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6870         the latent bug in rtl_delete_block has been resolved.
6871
6872 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6873
6874         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6875         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6876
6877 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6878
6879         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6880         library as @multilib_dir@/$(SHLIB_SONAME).
6881
6882 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6883
6884         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6885         * configure: Regenerate.
6886
6887 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6888
6889         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6890         TYPE_MODE.
6891
6892 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6893
6894         PR target/13674
6895         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6896         Convert non-word aligned offset address using ld/std into
6897         indirect address.
6898
6899 2005-01-07  Richard Henderson  <rth@redhat.com>
6900
6901         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6902
6903 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6904
6905         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6906
6907 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6908
6909         PR tree-optimization/19283
6910         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6911         is not shorter than the original type.
6912
6913         PR rtl-optimization/19012
6914         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6915
6916         PR rtl-optimization/18861
6917         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6918         (FULL_STATE): Define.
6919         (mark_tablejump_edge): New function.
6920         (purge_dead_tablejump_edges): New function.
6921         (find_bb_boundaries): Use it.
6922
6923         PR tree-optimization/18828
6924         * builtins.c (expand_builtin_next_arg): Remove argument and all
6925         the argument checking.
6926         (expand_builtin): Adjust caller.
6927         (expand_builtin_va_start): Likewise.  Remove error for too many
6928         arguments.
6929         (fold_builtin_next_arg): Issue error for too many arguments.
6930         After checking arguments, replace them with magic arguments that
6931         prevent further checking of the args.
6932
6933 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6934
6935         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6936
6937 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6938
6939         PR target/6077
6940         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6941         and %{.S:...} (and their negative variants) to test whether the
6942         input file is assembler or pre-processed-assembler independent of
6943         the actual filename extension.
6944
6945 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6946
6947         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6948         of sign or zero extended values.
6949
6950 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6951
6952         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6953         for IBM long double format correctly.
6954
6955 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6956
6957         Fix PR tree-optimization/18792
6958
6959         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6960         to first_loop_depth, and use loop depth instead of loop number.
6961         (build_classic_dir_vector): Ditto.
6962         (compute_data_dependences_for_loop): Use depth, not loop number.
6963         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6964         number. Pass in loops, instead of loop numbers.
6965         (gather_interchange_stats): Ditto.
6966         (linear_transform_loops): Ditto.
6967
6968 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6969
6970         PR rtl-opt/13299
6971         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6972         biv_fits_mode_p, extension_within_bounds_p): New functions.
6973         (check_ext_dependent_givs): Use them.
6974
6975 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6976
6977         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6978         more than one barrier, in which case we should delete them all.
6979
6980 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6981
6982         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6983
6984 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6985
6986         Fix PR middle-end/19286
6987         Fix PR debug/19267
6988         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6989         output this subprogram, simply ignore this attempt to do it again.
6990         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6991         origin attribute if it's not possible.
6992         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6993         (decls_for_scope): Ditto.
6994         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6995         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6996
6997 2005-01-05  Richard Henderson  <rth@redhat.com>
6998
6999         PR target/11327
7000         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
7001         (bdesc_2arg): Use it.
7002         (ix86_expand_binop_builtin): Force operands into registers
7003         when optimizing.
7004         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
7005         ix86_expand_sse_compare, ix86_expand_sse_comi,
7006         ix86_expand_builtin): Likewise.
7007
7008 2005-01-05  Richard Henderson  <rth@redhat.com>
7009
7010         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
7011         and VEC_SELECT.
7012         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
7013         (mulv4hi3): Set itanium_class mmmul.
7014         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
7015         (fpack): Rename from fpack_sfsf.
7016
7017 2005-01-05  Richard Henderson  <rth@redhat.com>
7018
7019         PR rtl-opt/10692
7020         * reload1.c (do_input_reload): Restrict the optimization deleteing
7021         a previous output reload to RELOAD_FOR_INPUT.
7022
7023 2005-01-05  Steven Bosscher  <stevenb@suse.de>
7024
7025         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
7026         comment that we fall through after case.
7027         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
7028         (distribute_links): Likewise.
7029         * cse.c (cse_insn): Likewise.
7030         * cselib.c (cselib_invalidate_mem): Likewise.
7031         * df.c: Update comments at the top of the file.
7032         (read_modify_subreg_p): Update comments here too.
7033         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
7034         * flow.c (mark_set_1): Likewise.
7035         (mark_used_regs): Likewise.
7036         * gcse.c (mems_conflict_for_gcse_p): Likewise.
7037         (canon_list_insert): Likewise.
7038         (mark_set): Likewise.
7039         (try_replace_reg): Likewise.
7040         (store_killed_in_insn): Likewise.
7041         * loop.c (count_one_set): Likewise.
7042         (basic_induction_var): Likewise.
7043         * postreload-gcse.c (find_mem_conflicts): Likewise.
7044         * postreload.c (reload_combine_note_store): Likewise.
7045         (move2add_note_store): Likewise.
7046         * reload.c (find_equiv_reg): Likewise.
7047         (mark_referenced_resources): Likewise.
7048         * rtlanal.c (set_noop_p): Likewise.
7049         (note_stores): Likewise.
7050         (note_uses): Likewise.
7051         * sched-deps.c (sched_analyze_1): Likewise.
7052         * sched-rgn.c (check_live_1): Likewise.
7053         (update_live_1): Likewise.
7054         * config/i860/i860.c: Likewise.
7055
7056         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
7057         an lvalue.
7058         (ZERO_EXTRACT): Mention that this one can be an lvalue.
7059
7060         * doc/rtl.texi: Update documentation for bit-fields and SET.
7061
7062 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7063
7064         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
7065
7066 2005-01-05  Jan Hubicka  <jh@suse.cz>
7067             Richard Henderson  <rth@redhat.com>
7068
7069         PR target/18910
7070         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
7071         with an offset.
7072
7073 2005-01-05  Richard Henderson  <rth@redhat.com>
7074
7075         PR target/12902
7076         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
7077         (sse_shufps): Change operand 3 to const_int_operand.
7078         (sse2_storelps): Fix typo in template.
7079         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7080         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7081         (ix86_expand_builtin): Likewise.
7082
7083 2005-01-05  Julian Brown  <julian@codesourcery.com>
7084
7085         * config/arm/arm.c (arm_return_in_memory): Treat complex types
7086         as aggregates for AAPCS ABIs.
7087
7088 2005-01-05  Stan Shebs  <shebs@apple.com>
7089
7090         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7091         Mach-O getters if ppc64.
7092         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7093         size argument.
7094         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7095         signed four-byte field for global code case.
7096         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7097
7098 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7099
7100         PR middle-end/19100
7101         * c-common.c: Include real.h.
7102         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7103         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7104         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7105         * Makefile.in (c-common.o): Update dependencies.
7106
7107 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7108
7109         * c-parse.in (asm_string): Add trailing semicolon.
7110
7111 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7112
7113         * c-parse.in (asm_string): New.  Don't allow wide strings in
7114         'asm'.
7115         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7116         asm_string instead of STRING.
7117
7118 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7119
7120         * c-typeck.c (constructor_no_implicit): Remove.
7121         (set_designator, process_init_element): Don't check
7122         constructor_no_implicit.
7123
7124 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
7125             Kaz Kojima  <kkojima@gcc.gnu.org>
7126
7127         PR target/16482
7128         * lcm.c (create_pre_exit): New.
7129         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7130         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
7131
7132 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7133
7134         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7135         -msoft-float in target_float_switch.
7136         * arm.c (arm_override_options): Fix processing of target_float_switch.
7137
7138 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7139
7140         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7141         preferencing.
7142
7143 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
7144
7145         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7146         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7147
7148 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7149
7150         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7151         if deleting the then-block allows the test-block to fallthru to the
7152         else-block.
7153
7154 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
7155
7156         PR c/19152
7157         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7158         after the full declaration if the are in two different TUs.
7159
7160 2005-01-04  Richard Henderson  <rth@redhat.com>
7161
7162         PR tree-opt/19158
7163         * tree-sra.c (generate_one_element_init): Just
7164         call gimplify_and_add.
7165         (generate_element_init): Record the
7166         new referenced variables and mark them for renaming
7167         and split out to ...
7168         (generate_element_init_1): This.
7169         (scalarize_init): Don't call push_gimplify_context/
7170         pop_gimplify_context.
7171
7172 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
7173
7174         * toplev.c (get_src_pwd): Handle failure of getpwd().
7175
7176 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7177
7178         * fold-const.c (fold_single_bit_test): Delete unreachable handling
7179         of TRUTH_NOT_EXPR.
7180         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7181         all the cases handled by it are inverted by invert_truthvalue.
7182
7183 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7184
7185         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7186         (save_register_windowsi): Likewise.
7187
7188 2005-01-04  Richard Henderson  <rth@redhat.com>
7189
7190         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7191
7192 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7193
7194         PR middle-end/17767
7195         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7196         any simplifications of vector mode comparison operators.
7197         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7198
7199 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
7200             Devang Patel  <dpatel@apple.com>
7201
7202         PR tree-optimization/18308
7203         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7204         the operands before creating a new expression.
7205         * dojump.c (do_jump): Make drop_through_label available
7206         for all cases.  Add expansion of COND_EXPR.
7207
7208 2005-01-04  Ira Rosen  <irar@il.ibm.com>
7209
7210         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7211         INTEGER_CST instead of TREE_CONSTANT.
7212         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7213         instead of TREE_CONSTANT.
7214         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7215         instead of TREE_CONSTANT.
7216
7217 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7218
7219         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7220
7221 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7222
7223         PR target/19240
7224         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7225         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7226
7227 2005-01-03  Richard Henderson  <rth@redhat.com>
7228
7229         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7230         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7231         fold_convert_const_real_from_real): Split out from ...
7232         (fold_convert_const): ... here.
7233
7234 2005-01-03  Richard Henderson  <rth@redhat.com>
7235
7236         PR target/19235
7237         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7238         (mov<MMXMODEI>_internal): Likewise.
7239         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7240         Add V2SF case; use it for SSE1; don't use TI.
7241         (movdf_integer): Likewise.
7242         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7243
7244 2005-01-03  Ira Rosen  <irar@il.ibm.com>
7245
7246         * tree-vectorizer.c (vect_strip_conversions): New function.
7247         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7248         check for binary class.
7249
7250 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
7251
7252         Fix PR debug/17924
7253         Fix PR debug/19191
7254         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7255         is a decl.
7256         * gimple-low.c (mark_blocks_with_used_vars): New function.
7257         (mark_blocks_with_used_subblocks): Ditto.
7258         (mark_used_blocks): Ditto.
7259         (pass_mark_used_blocks): New pass.
7260         * tree-inline.c: Include debug.h.
7261         (expand_call_inline): Call outlining_inline_function here.
7262         * tree-optimize.c (init_tree_optimization_passes): Add
7263         pass_mark_used_blocks.
7264         * tree-pass.h (pass_mark_used_blocks): New.
7265         * Makefile.in (tree-inline.o): Add debug.h dependency.
7266
7267 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7268
7269         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7270         VAR_DECLs to have weak_import attribute.
7271
7272         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7273         'struct ucontext'.
7274
7275 2004-01-03  Steven Bosscher  <stevenb@suse.de>
7276
7277         * passes.c (rest_of_compilation): Don't run regmove if only
7278         flag_expensive_optimizations, require flag_regmove instead.
7279
7280 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7281
7282         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7283         register "sparc".
7284         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7285         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7286         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7287         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7288
7289 2005-01-03  Richard Henderson  <rth@redhat.com>
7290
7291         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7292         (ia64_const_ok_for_letter_p): New.
7293         (ia64_const_double_ok_for_letter_p): New.
7294         (ia64_extra_constraint): New.
7295         (ia64_expand_vecint_compare): New.
7296         (ia64_expand_vcondu_v2si): New.
7297         (ia64_expand_vecint_cmov): New.
7298         (ia64_expand_vecint_minmax): New.
7299         (ia64_print_operand): Add 'v'.
7300         (ia64_preferred_reload_class): New.
7301         (ia64_vector_mode_supported_p): New.
7302         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7303         (PREFERRED_RELOAD_CLASS): Move to function.
7304         (CONST_OK_FOR_LETTER_P): Move to function.
7305         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7306         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7307         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7308         (EXTRA_CONSTRAINT): Move to function.
7309         * config/ia64/ia64.md: Include vect.md.
7310         (itanium_class): Add mmalua.
7311         (type): Handle it.
7312         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
7313         (1b_mmalua): New.
7314         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7315         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7316         CONST0_RTX.
7317         (const_int_2bit_operand): New.
7318         (fr_reg_or_0_operand): New.
7319         * config/ia64/ia64-modes.def: Add vector modes.
7320         * config/ia64/ia64-protos.h: Update.
7321         * config/ia64/vect.md: New file.
7322
7323 2005-01-03  Richard Henderson  <rth@redhat.com>
7324
7325         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7326
7327 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
7328
7329         PR target/19236
7330         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7331         to SFmode.
7332         (log1pdf2): Change mode of operands[0,1] to DFmode.
7333
7334 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7335
7336         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7337         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7338         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7339         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7340         SPARC_RELAXED_ORDERING.
7341
7342 2005-01-03  Richard Henderson  <rth@redhat.com>
7343             Uros Bizjak  <uros@kss-loka.si>
7344
7345         PR target/14631
7346         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7347         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7348         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7349         handling.
7350         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7351         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7352         const_pow2_1_to_128_operand): New predicates.
7353
7354 2005-01-02  Greg McGary  <greg@mcgary.org>
7355
7356         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7357         anonymous decls.
7358         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7359         object.  [ptr_type]: Remove unused variable.
7360         Remember nearest addressable array-element or record-component
7361         when checking bitfield components.  Tolerate empty BIND_EXPR.
7362
7363 2005-01-01  Richard Henderson  <rth@redhat.com>
7364
7365         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7366         that don't narrow the value.  Fail for other conversions.
7367
7368 2005-01-01  Richard Henderson  <rth@redhat.com>
7369
7370         PR c/19031
7371         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7372         * c-lang.c (finish_file): Don't do it here.
7373         * objc/objc-act.c (objc_finish_file): Likewise.
7374
7375         * cgraph.c (decl_assembler_name_equal): New.
7376         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7377         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7378         * cgraph.h (struct cgraph_varpool_node): Add next.
7379         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7380         * varasm.c (assemble_alias): Mark the target as needed.
7381
7382 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
7383
7384         PR middle-end/19221
7385         * function.c (get_arg_pointer_save_area): Use entry_of_function
7386         instead of get_insns.
7387
7388 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7389             Andrew Pinski  <pinskia@physics.uc.edu>
7390             James E. Wilson  <wilson@specifixinc.com>
7391
7392         PR rtl-optimization/12092
7393         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7394         is zero.
7395
7396 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7397             Olivier Hainque  <hainque@act-europe.fr>
7398
7399         * tree.c (int_fits_type_p): A narrower type always fits in a
7400         wider one, except for negative values into unsigned types.
7401
7402 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7403
7404         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7405         with the original constant rather than require TREE_OVERFLOW.
7406
7407 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7408
7409         PR middle-end/17544
7410         * c-decl.c (finish_function): If compiling C99, annotate the
7411         compiler generated return with the current file name and line 0.
7412         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7413         the source line is greater than 0.
7414         (remove_bb): Likewise.
7415
7416 See ChangeLog.12 for earlier changes.