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2005-03-17 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/18380
4         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
5
6 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7
8         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
9         instead of MASK_H8300S.
10         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
11         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
12         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
13         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
14         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
15         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
16         TARGET_SWITCHES): Remove.
17         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
18         TARGET_H8300SX.
19         * config/h8300/h8300.opt: New.
20
21         * config/alpha/alpha.opt, config/arc/arc.opt,
22         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
23         notices.
24
25 2005-03-17  Ian Lance Taylor  <ian@airs.com>
26
27         * gmon.c: Remove.
28
29 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
30
31         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
32         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
33         (TARGET_HANDLE_OPTION): Override default.
34         (arc_handle_option): New function.
35         (arc_init): Remove code to set arch_cpu_string.
36         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
37         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
38         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
39         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
40         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
41         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
42         (arc_rodata_string, TARGET_OPTIONS): Delete.
43         * config/arc/arc.opt: New file.
44
45 2005-03-17  Richard Henderson  <rth@redhat.com>
46
47         * doc/extend.texi (Weak Pragmas): New section.
48         (attribute alias): Clarify that target must be in the same
49         translation unit.
50
51 2005-03-17  Richard Henderson  <rth@redhat.com>
52
53         * config/alpha/alpha.opt: New file.
54         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
55         of alpha_cpu.
56         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
57         alpha_fprm_string, alpha_fptm_string): Make static.
58         (alpha_tls_size_string): Remove.
59         (alpha_handle_option): New.
60         (override_options): Update for alpha_cpu/alpha_tune split.
61         (alpha_file_start): Likewise.
62         (TARGET_DEFAULT_TARGET_FLAGS): New.
63         (TARGET_HANDLE_OPTION): New.
64         * config/alpha/alpha.h (alpha_tune): Declare.
65         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
66         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
67         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
68         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
69         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
70         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
71         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
72         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
73         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
74         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
75         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
76         (TARGET_DEFAULT): Remove MASK_FP.
77         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
78         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
79         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
80         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
81         alpha_tls_size_string): Remove.
82         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
83         (attribute tune): Rename from attribute cpu.
84         * config/alpha/ev4.md: Update to match.
85         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
86         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
87         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
88         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
89         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
90         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
91
92 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
93
94         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
95         and return without creating new state if before_nops_num is nonzero.
96         * config/ia64/ia64.md (first_insn): New attribute.
97         (alloc): Set it to yes.
98
99 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
100
101         * tree-vectorizer.c (new_vec_stmt_info): Initialize
102         STMT_VINFO_SUBVARS to NULL.
103         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
104         
105 2005-03-16 Dale Johannesen  <dalej@apple.com>
106
107         * rtlanal.c (find_first_parameter_load):  Rewrite to
108         return actual first param load or the call if none,
109         instead of first in block, when not all loads exist.
110
111 2005-03-16  Roger Sayle  <roger@eyesopen.com>
112
113         * optabs.c (expand_copysign_absneg): Make static.
114         * optabs.h (expand_copysign_absneg): Delete prototype.
115         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
116
117 2005-03-16  Richard Henderson  <rth@redhat.com>
118
119         PR middle-end/15700
120         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
121         (alias_pairs): Rename from output_defs.
122         (find_decl_and_mark_needed): Split out from assemble_alias.
123         (do_assemble_alias): New.
124         (assemble_output_def): Remove.
125         (finish_aliases_1, finish_aliases_2): New.
126         (process_pending_assemble_output_defs): Remove.
127         (assemble_alias): Defer aliases for which we don't yet have a
128         non-external decl for the target symbol.
129         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
130         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
131         * toplev.c (compile_file): Use finish_aliases_2 instead of
132         process_pending_assemble_output_defs.
133         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
134         (process_pending_assemble_output_defs): Remove.
135
136 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
137         
138         Fix PR tree-optimization/20489
139
140         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
141         for empty structures.
142
143 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
144
145         Fix PR tree-optimization/20490
146         
147         * tree-ssa-pre.c (create_expression_by_pieces): Use
148         force_gimple_operand on result of fold.
149
150 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
151
152         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
153         of closing parenthesis.
154
155 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
156
157         * builtins.c (expand_movstr): Update a call to
158         fold_builtin_strcpy.
159         (expand_builtin_strncpy): Update a call to
160         fold_builtin_strncpy.
161         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
162         arguments of CALL_EXPR.
163         (fold_builtin_1): Update calls to fold_builtin_strcpy and
164         fold_builtin_strncpy.
165         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
166         * tree.h: Update the prototypes of fold_builtin_strcpy and
167         fold_builtin_strncpy.
168
169 2005-03-16  Steven Bosscher  <stevenb@suse.de>
170             Dorit Naishlos  <dorit@il.ibm.com>
171
172         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
173         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
174         error.
175
176 2005-03-16  Steven Bosscher  <stevenb@suse.de>
177
178         * tree-inline.c (walk_type_fields, walk_tree,
179         walk_tree_without_duplicates): Move from here...
180         * tree.c: ...to here.
181
182 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
183
184         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
185         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
186         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
187         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
188         (version): Define using $(BASEVER_c).
189         (Makefile, config.status, build/gcov-iov.o): No longer depends on
190         version.c.
191         (version.o): Depend on version files; add custom generation command.
192         (prefix.o): Define BASEVER on command line.
193         (s-iov): Depend on version files; adjust command.
194         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
195         Add gcc-vers.texi.
196         (gcc-vers.texi): New rule.
197         (doc/%.info, doc/%.dvi): Add -I . to command line.
198         (doc/gccinstall.dvi): Likewise.
199         (PACKAGE): Delete.  All uses replaced with "gcc".
200         * aclocal.m4: Do not include gcc-version.m4.
201         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
202         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
203         Set is_release based on contents of DEV-PHASE.
204         Set gcc_version based on contents of BASE-VER.
205         Define WIN32_REGISTRY_KEY only if the user overrode the default.
206         * config.in, configure: Regenerate.
207         * gccbug.in: Determine version of GCC in use at runtime.
208         * gcov-iov.c: Get version number and development phase from
209         command line, not by including version.c.
210         * intl.c: Replace all uses of PACKAGE with "gcc".
211         * libada-mk.in: Delete unused "gcc_version" variable.
212         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
213         * version.c: (VERSUFFIX): New hook for redistributors; adjust
214         commentary to match.
215         (version_string): Put together from pieces.
216         * config/alpha/x-vms: Do not use $(gcc_version).
217         * config/i386/t-nwld: Likewise.
218         * doc/include/gcc-common.texi: Include gcc-vers.texi for
219         version-GCC and DEVELOPMENT.
220
221 2005-03-15  Roger Sayle  <roger@eyesopen.com>
222
223         PR tree-optimization/17454
224         * tree.c (tree_size): Add case for TREE_BINFO.
225         * fold-const.c (fold_checksum_tree): Only clear the overloaded
226         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
227
228 2005-03-15  Roger Sayle  <roger@eyesopen.com>
229
230         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
231         op1 whilst expanding the signed widenening multiply variant.
232
233 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
234
235         * toplev.c (display_target_options): Avoid unused variable warning if
236         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
237         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
238         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
239         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
240         (mips_isa_info): New variable.
241         (mips_parse_cpu): Remove the first argument and leave the caller
242         to report errors.
243         (TARGET_HANDLE_OPTION): Override default.
244         (mips_handle_option): New function.  Move option validation code from...
245         (override_options): ...here.  Update calls to mips_parse_cpu.
246         * config/mips/mips.h (mips_arch_string, mips_tune_string)
247         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
248         (SUBTARGET_TARGET_OPTIONS): Delete.
249         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
250         (mno-flush-func, mtune=): New options.
251
252 2005-03-15  Roger Sayle  <roger@eyesopen.com>
253             Richard Henderson  <rth@redhat.com>
254
255         * real.c (c4x_single_format, c4x_extended_format): Provide values
256         for signbit_ro for c4x's single and extended floating point formats.
257         * optabs.c (expand_copysign): Use the floating point format's
258         signbit_ro for expanding via expand_copysign_absneg, and it's
259         signbit_rw field for expanding via expand_copysign_bit.
260
261 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
262
263         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
264         known_alignment_for_access_p.
265         (known_alignment_for_access_p): New.
266         (do_peeling_for_alignment): Field made int instead of bool and renamed
267         to peeling_for_alignment.
268         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
269         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
270         functionality used to be in vect_analyze_operations.
271         (vect_analyze_operations): Code to determine vectorization factor was
272         moved to vect_determine_vectorization_factor.
273         (vect_enhance_data_refs_alignment): Update to correct alignment when it
274         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
275         factor.
276         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
277         be part of vect_analyze_operations).
278         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
279         creating the guard condition, as the number of iterations may be
280         constant.
281         (slpeel_tree_peel_loop_to_edge): Use new name of
282         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
283         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
284         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
285         (vect_do_peeling_for_alignment): Use fold.
286         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
287
288         (vect_update_inits_of_dr): Renamed to
289         vect_update_init_of_dr.
290         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
291         (vectorizable_store): Fix assertion to use == instead of =.
292
293 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
294
295         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
296         call_used_regs for wCG registers.
297
298 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
299
300         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
301         for non-offsettable memory references to cope with outstanding reload
302         replacements, take 2.
303
304 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
305
306         PR target/18668
307         * config/i386/i386.h (x86_fisttp): New.
308         (TARGET_FISTTP): New macro.
309         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
310         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
311         instruction when fisttp flag is set.
312         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
313
314         * config/i386/i386.md (type attribute): Add fisttp.
315         (unit attribute): Set to i387 for fisttp type.
316         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
317         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
318         TARGET_FISTTP.
319         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
320         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
321         macros.
322         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
323         patterns for TARGET_FISTTP.  Enable patterns for
324         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
325         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
326         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
327         implement fisttp x87 insn.
328         (fix_trunc*_i387_fisttp splitters): New patterns.
329         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
330         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
331         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
332         clobber.
333         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
334         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
335         Implement using mode macros. Disable patterns for TARGET_FISTTP.
336         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
337         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
338         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
339         Disable patterns for TARGET_FISTTP.
340         (fix_trunc*_i387 splitters): Implement usign mode macros.
341         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
342         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
343         (fix_trunx*_sse peephole2s): Implement using mode macros.
344
345 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
346
347         PR rtl-optimization/20291
348         * combine.c (try_combine): If splitting fails, re-try with
349         original combined pattern, i.e. before clobber stripping.
350
351 2005-03-14  Eric Christopher  <echristo@redhat.com>
352
353         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
354         STACK_GROWS_DOWNWARD.
355
356 2005-03-14  Roger Sayle  <roger@eyesopen.com>
357
358         * real.h (struct real_format): Split the signbit field into two
359         two fields, signbit_ro and signbit_rw.
360         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
361         mips_double_format, ieee_extended_motorola_format,
362         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
363         ieee_extended_intel_128_format, ibm_extended_format,
364         mips_extended_format, ieee_quad_format, mips_quad_format,
365         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
366         i370_double_format, c4x_single_format, c4x_extended_format,
367         real_internal_format): Update initializers for new field.
368         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
369         real_format structure.
370         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
371         field of the real_format structure.
372
373 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
374
375         Fix PR tree-optimization/20458
376
377         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
378         DECL_EXTERNAL on STRUCT_FIELD tags.
379         (clear_call_clobbered): Ditto.
380         * tree-ssa-operands.c (note_addressable): Make sure the original
381         variable doesn't slip into the addressable list if we have
382         subvars.
383         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
384         tags too.
385
386 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
387
388         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
389         (-fwide-exec-charset): Likewise.
390         (-finput-charset): Likewise.
391         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
392         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
393         * c.opt (Wnormalized): New.
394
395 2005-03-14  Devang Patel  <dpatel@apple.com>
396
397         * doc/invoke.texi: Add reference to Visibility document.
398
399 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
400
401         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
402         MASK_SPLIT_ADDRESSES.
403         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
404         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
405         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
406         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
407         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
408         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
409         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
410         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
411         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
412         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
413         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
414         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
415         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
416         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
417         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
418         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
419         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
420         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
421         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
422         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
423         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
424         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
425         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
426         (TARGET_EXPLICIT_RELOCS): Delete.
427         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
428         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
429         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
430         (override_options): Set MASK_LONG64 if -mint64 is given and no
431         -mlongXX option is.  Complain about -mint64 -mlong32.
432         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
433         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
434         * config/mips/mips.opt: New file.
435
436 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
437
438         * config.gcc (extra_options): New variable for listing option files.
439         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
440         * configure.ac (extra_opt_files): New AC_SUBST variable.
441         (tm_file_list, tm_include_list): Include options.h first.
442         * configure: Regenerate.
443         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
444         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
445         (s-options-h): New rule.
446         (options.h): Depend on it.
447         (TEXI_GCCINT_FILES): Add options.texi.
448         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
449         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
450         * target.h (gcc_target): Add default_target_flags and handle_option.
451         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
452         (TARGET_HANDLE_OPTION): New macros.
453         (TARGET_INITIALIZER): Include them.
454         * opt-functions.awk (opt_args, nth_arg): New functions.
455         (switch_flags): Handle the "Target" flag.
456         (var_args): Delete.
457         (var_name): Use opt_args and nth_arg.
458         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
459         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
460         macros for the "Mask" and "InverseMask" options.
461         * opts.h (cl_var_cond): New enum.
462         (cl_option): Replace the "has_set_value" and "set_value" fields with
463         "var_cond" and "var_value".
464         (CL_TARGET): New macro.
465         (option_enabled, print_filtered_help): Declare.
466         (decode_options): Move definition.
467         * opts.c (handle_option): Search for the original option before
468         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
469         var_cond and var_value fields.  Use targetm.handle_option to handle
470         target options.
471         (decode_options): Set target_flags to targetm.default_target_flags.
472         (print_filtered_help): Make global.  Handle CL_TARGET.
473         (option_enabled): New function.
474         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
475         (display_target_options, set_target_switch, print_switch_values)
476         (default_pch_valid_p): Guard uses of target_switches with
477         #ifdef TARGET_SWITCHES.  Also...
478         (display_target_options): Display the CL_TARGET entries in cl_options.
479         (set_target_option): Don't complain about the "" option when
480         TARGET_SWITCHES is undefined.
481         (print_switch_values): Use option_enabled.
482         (default_pch_valid_p): Check cl_options[] when looking for something
483         that has changed the value of target_flags.
484         * c.opt: Remove documentation from top of file.
485         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
486         * doc/sourecebuild.texi: Refer to the new options documentation
487         instead of c.opt.  Document machine-specific .opt files.
488         * doc/tm.texi (target_flags): Say that this variable is declared
489         by options.h.
490         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
491         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
492         an alternative.
493         * doc/options.texi: New file.
494
495 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
496
497         PR middle-end/18628
498         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
499         register.
500
501 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
502
503         PR c++/20280
504         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
505         temporary variable of pointer type if an lvalues is required.
506         (gimplify_modify_expr_rhs): Request an rvalue from it.
507         (gimplify_expr): Pass fallback on.
508
509 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
510
511         * cfgbuild.c: Update comments.
512
513 2005-03-14  Roger Sayle  <roger@eyesopen.com>
514
515         PR rtl-optimization/17236
516         * optabs.c (expand_doubleword_mult): New helper function split out
517         from expand_binop.  Permute the order in which instructions are
518         emitted to minimize the number of simultaneously live registers.
519         (expand_binop): Call expand_doubleword_mult to synthesize a double
520         word multiplication.
521
522 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
523
524         * basic-block.h: Update the prototypes of cached_make_edge and
525         rtl_make_eh_edge.
526         * cfg.c (cached_make_edge): Take edge_cache representing one
527         row of the adjacency matrix of edges.
528         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
529         (make_edges): Initialize edge_cache to represent one row of
530         the adjacency matrix of edges.
531
532 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
533
534         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
535         New functions.
536         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
537         Remove unused removed_phis variable.
538         (conditional_replacement): Use build1/build2.
539         (abs_replacement): Use last_and_only_stmt and build1/build2.
540
541 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
542
543         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
544         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
545         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
546         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
547         * c-common.c (handle_novops_attribute): New function.
548         (c_common_attribute_table): Add "no vops" entry.
549         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
550         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
551         * tree-ssa-operands.c (get_call_expr_operands): Do not
552         create virtual operands for calls with ECF_NOVOPS flag.
553         * tree.h (DECL_IS_NOVOPS): New macro.
554         (struct tree_decl): Add novops_flag.
555         (ECF_NOVOPS): New constant.
556
557 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
558
559         PR target/17688
560         * config/i386/i386.c (x86_use_himode_fiop): New.
561         (x86_use_simode_fiop): Rename from x86_use_fiop.
562         * config/i386/i386.h (x86_use_himode_fiop): Declare.
563         (TARGET_USE_HIMODE_FIOP): New.
564         (x86_use_simode_fiop): Rename from x86_use_fiop.
565         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
566
567         * config/i386/i386.md (X87MODEI12): New mode macro define.
568         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
569         to implement x87 FP compare with HImode input operands.
570         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
571         Use X87MODEI12 mode macro to handle HImode input operands.
572         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
573         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
574         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
575         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
576         macro to implement x87 operators with HImode input operands.
577         (fop splitters): Use X87MODEI12 mode macro to handle HImode
578         input operands.
579
580 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
581
582         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
583         integer_zerop.
584         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
585         constants invariant.
586
587 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
588
589         * basic-block.h (BB_VISITED): Removed.
590         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
591
592 2005-03-14  Falk Hueffner  <falk@debian.org>
593
594         PR bootstrap/20424
595         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
596
597 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
598
599         * ggc-zone.c: Fix comment typos.
600
601         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
602         stringpool.c, config/mips/mips-protos.h: Update copyright.
603
604 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
605
606         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
607         throughout with its typedef, "rtx".
608         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
609         (rs6000_tls_symbol_ref_1): Remove inline keyword.
610         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
611         regs in comment to match code.
612
613 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
614
615         * except.c (check_handled): Make it static.
616         * except.h: Remove the corresponding prototype.
617
618         * function.c (get_func_frame_size): Make it static.
619         * function.h: Remove the corresponding type.
620
621         * regclass.c (reg_class_superclasses, reg_class_subclasses):
622         Make them static.
623         * hard-reg-set.h: Remove the corresponding declarations.
624
625         * tree-cfg.c (verify_stmts): Check that
626         bb_for_stmt (stmt) == bb for every PHI node and statement.
627
628 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
629
630         * config.gcc: Remove excess indentation.
631         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
632
633 2005-03-13  Roger Sayle  <roger@eyesopen.com>
634
635         PR middle-end/19331
636         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
637         * fold-const.c (fold_sign_changed_comparison): Likewise.
638         (fold_binary): Optimize comparisons against widened operands if
639         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
640
641 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
642
643         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
644         (sparc_override_options): Initialize it.
645         (sparc_struct_value_rtx): Set it on the MEM to be returned.
646
647 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
648
649         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
650         (reg_or_none500mem_operand): New predicate.
651         (zero_reg_mem_operand): New predicate.
652         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
653         to reg_or_none500mem_operand.
654         (extendsfdf2_fpr): Add MEM alternative.
655         (extenddftf2_internal): Change operand2 predicate to
656         zero_reg_mem_operand.
657
658 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
659
660         * ggc-zone.c: Rewritten.
661
662         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
663         if there are none.
664         * configure.ac: Define GGC_ZONE for --with-gc=zone.
665         * config.in: Regenerated.
666         * configure: Regenerated.
667         * gengtype.c (write_types_process_field, write_func_for_structure):
668         Pass new argument to gt_pch_note_object.
669         * ggc-common.c (struct ptr_data): Add TYPE.
670         (gt_pch_note_object): Take TYPE argument and save it.
671         (call_count): Update call to ggc_pch_count_object.
672         (call_alloc): Update call to ggc_pch_alloc_object.
673         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
674         file.
675         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
676         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
677         (ggc_alloc_zone_stat): Delete.
678         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
679         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
680         (ggc_pch_alloc_object): Update prototypes.
681         (garbage_zone): Delete.
682         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
683         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
684         pointers.
685         (tree_id_zone): New variable.
686         (ggc_alloc_cleared_zone): Remove unused.
687         (ggc_alloc_zone): Define.
688         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
689         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
690         ggc_alloc_zone_stat.
691         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
692         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
693         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
694         (make_node_stat): Likewise.  Use tree_id_zone.
695
696 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
697             Joseph S. Myers  <joseph@codesourcery.com>
698
699         * configure.ac: Check for MIPS TLS.
700         * configure: Regenerated.
701         * config/mips/mips-protos.h (enum mips_symbol_type): Add
702         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
703         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
704         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
705         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
706         (mips_classify_symbol, mips_symbolic_constant_p)
707         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
708         (mips_tls_operand_p, mips_call_tls_get_addr)
709         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
710         (mips_tls_symbol_ref_1): New functions.
711         (mips_legitimize_address, mips_legitimize_const_move): Call
712         mips_legitimize_tls_address.
713         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
714         for MIPS16.
715         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
716         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
717         (mips_char_to_class): Document V1_REG.
718         (HAVE_AS_TLS): Provide default.
719         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
720         constants.
721         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
722         !TARGET_ABICALLS.
723         (tls_get_tp_<mode>): New instruction.
724
725 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
726
727         * configure.ac: Update checks for target tools.
728         * configure: Regenerated.
729
730 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
731
732         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
733
734 2005-03-13  Roger Sayle  <roger@eyesopen.com>
735
736         * expmed.c (expand_mult): Use synthetic multiplication sequences for
737         more classes of DImode multiplication by constant.  Allow both
738         multiplication by small negative constants (by performing a
739         multiplication by a positive constant and negating the result) and
740         multiplications by large powers of two, by using a left shift.
741
742 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
743
744         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
745         of basic blocks into work_stack.
746
747         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
748         config/mips/vr.h: Update copyright.
749
750         * c-decl.c (c_init_decl_processing): Remove useless calls to
751         build_function_type.
752
753         * builtins.c (fold_trunc_transparent_mathfn,
754         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
755         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
756         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
757         fold_builtin_strcpy, fold_builtin_strncpy,
758         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
759         TREE_TYPE (exp).
760
761         * builtins.c (expand_builtin_mathfn_3): Remove local variable
762         before_call.
763
764         * lambda-code.c (lambda_compute_auxillary_space): Remove local
765         variable determinant.
766
767         * tree-cfg.c (group_case_labels): Remove local variable type.
768
769         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
770         variable ann.
771
772         * tree-ssa-phiopt.c (value_replacement): Remove local variable
773         result.
774
775 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
776
777         PR target/18251
778         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
779         (*movmemqi_insn): Delete.
780         (*movmemhi): Delete.
781
782 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
783
784         * builtins.c (fold_builtin_classify): Take decomposed
785         arguments of CALL_EXPR.
786         (fold_builtin_1): Update a call to fold_builtin_classify.
787
788 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
789
790         PR c/20402
791         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
792         through into call to parser_xref_tag after parse error.
793         (c_parser_struct_declaration): Consistently return NULL_TREE on
794         error.
795
796 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
797
798         * tree-flow-inline.h (ref_contains_array_ref): New function.
799         (lookup_subvars_for_var): Ditto.
800         (get_subvars_for_var): Ditto.
801         (var_can_have_subvars): Ditto.
802
803         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
804         (struct subvar): New type.
805
806         * tree-dfa.c (okay_component_ref_for_subvars): New function.
807
808         * tree-optimize.c (init_tree_optimization_passes): Call
809         pass_create_structure_vars.
810
811         * tree-ssa-alias.c: Include vec.h.
812         (init_alias_info): Don't auto-clear call clobbered on struct-field
813         tags.
814         (compute_flow_insensitive_aliasing): Handle subvars.
815         (group_aliases): Handle STRUCT_FIELD aliases.
816         (setup_pointers_and_addressables): Ditto.
817         Don't mark variables non-addressable if they still have
818         addressable subvars.
819         Also mark subvars addressable when the real variable is marked
820         addressable.
821         (add_pointed_to_var): Try to prune the pointed-to set by only
822         pointing to subvars when possible.
823         Otherwise, make sure we set addresses_needed and pt_vars to
824         properly include subvars.
825         (bitpos_of_field): New function.
826         (push_fields_onto_fieldstack): Ditto.
827         (get_or_create_used_part_for): Ditto.
828         (create_overlap_variables_for): Ditto.
829         (find_used_portions): Ditto.
830         (create_structure_vars): Ditto.
831         (pass_create_structure_vars): New structure.
832
833         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
834         (get_expr_operands): Handle subvars.  Also try to turn
835         COMPONENT_REF accesses into must-defs now that we can accurately
836         portray it.
837         (note_addressable): Try to only mark as addressable those subvars
838         we know a COMPONENT_REF touches.
839         (overlap_subvar): New function.
840
841         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
842         Handle subvar storing.
843         (vect_address_analysis): Update caller of vect_object_analysis.
844
845         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
846
847         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
848         (STMT_VINFO_SUBVARS): New macro.
849
850         * common.opts: add flag_tree_salias.
851
852         * opts.c (decode_options): flag_tree_salias defaults to on.
853
854         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
855
856         * doc/tree-ssa.texi: Document structural alias analysis.
857
858 2005-03-12  Steven Bosscher  <stevenb@suse.de>
859
860         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
861         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
862         * tree-ssa-operands.c (get_expr_operands): Likewise.
863         (get_expr_operands): Likewise for ERROR_MARK.
864
865 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
866
867         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
868         var.
869
870         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
871         removed_phis.
872
873         * tree-ssa-pre.c (compute_avail): Remove local variable val.
874         (mark_operand_necessary): Remove local variable ver.
875
876         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
877         variable prefix_len.
878
879         * value-prof.c (mod_subtract_transform): Remove local variable
880         value.
881
882         * builtins.c (fold_builtin_exponent): Take decomposed
883         arguments of CALL_EXPR.
884         (fold_builtin_1): Update a call to fold_builtin_exponent.
885
886         * builtins.c (fold_builtin_logarithm): Take decomposed
887         arguments of CALL_EXPR.
888         (fold_builtin_1): Update a call to fold_builtin_logarithm.
889
890         * c-decl.c (c_init_decl_processing): Remove local variables
891         ptr_ftype_void and ptr_ftype_ptr.
892
893         * gimplify.c (gimplify_expr): Remove local variables r0 and
894         r1.
895
896         * reg-stack.c (move_for_stack_reg): Remove local variable
897         push_insn.
898         (compare_for_stack_reg): Remove local variable flags_user.
899         (convert_regs_1): Remove local variable deleted.
900
901         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
902         variable new_cond.
903         (combine_blocks): Remove local variables exits and new_e.
904
905         * tree-inline.c (expand_call_inline): Remove local variable
906         decl.
907
908         * tree-ssa-live.c (create_ssa_var_map,
909         calculate_live_on_entry): Remove local variable snn.
910
911 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
912
913         * c-lex.c (c_lex_with_flags): Add parameter to call to
914         cpp_spell_token.
915
916 2005-03-11  Per Bothner  <per@bothner.com>
917
918         * c-tree.h (struct c_declarator): New id_loc field.
919         * c-pragma.h (c_lex_with_flags): Take position reference.
920         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
921         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
922         (c_lex): Pass dummy location to c_lex_with_flags.
923         * c-parser.c (c_lex_one_token): Set c_token's location using
924         c_lex_with_flags, instead of input_location, which might be "ahead".
925         (c_parser_direct_declarator): Set declarator's id_loc from
926         c_token's id_loc.
927         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
928         declarator's id_loc, rather than probably-imprecise input_location.
929         (build_id_declarator): Initialize c_declarator's id_loc field.
930
931 2005-03-11  Roger Sayle  <roger@eyesopen.com>
932
933         PR middle-end/20419
934         * builtins.c (expand_builtin_signbit): Force the signbit's word
935         into an integer register to avoid SUBREGs of floating point modes.
936
937 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
938
939         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
940         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
941         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
942         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
943
944 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
945
946         PR rtl-optimization/20306
947         * expr.c (emit_move_complex): Set try_int false if mode is
948         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
949         emit_block_move if try_int is true.
950
951 2005-03-11  Richard Henderson  <rth@redhat.com>
952
953         PR target/20415
954         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
955         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
956         to match.
957
958 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
959
960         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
961         (TARGET_FIX_VR4130): New macro.
962         (TARGET_OPTIONS): Add -mfix-vr4130.
963         (ISA_HAS_MACCHI): New macro.
964         (ASM_SPEC): Add -mfix-vr4130.
965         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
966         (override_options): Handle mips_fix_vr4130_string.
967         (mips_avoid_hazards): Clear all_noreorder_p
968         if we're working around VR4130 errata and the macc alternatives
969         are not available.
970         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
971         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
972         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
973         (MULTILIB_DEFAULTS): Remove leading "march=".
974         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
975         if no architecture option is given.
976         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
977         VR4130 multilibs.
978         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
979         * doc/invoke.texi: Document -mfix-vr4130.
980
981 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
982
983         * config/mips/mips.c (override_options): Only warn about -mint64
984         deprecation if TARGET_INT64.
985
986 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
987
988         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
989         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
990         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
991         are non-specific regarding the nonnull parameter positions.
992         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
993         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
994         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
995         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
996
997         * builtins.def: Use the non-specific "nonnull" attibute lists.
998
999 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1000
1001         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1002         single_pred_edge, single_succ, single_pred): Improve comments.
1003
1004 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1005
1006         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1007         single_pred_edge, single_succ, single_pred): New inline functions.
1008         * bb-reorder.c (rotate_loop, find_traces_1_round,
1009         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1010         duplicate_computed_gotos): Use the single_succ/pred functions.
1011         * cfganal.c (forwarder_block_p): Ditto.
1012         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1013         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1014         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1015         merge_seq_blocks): Ditto.
1016         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1017         * cfglayout.c (fixup_reorder_chain): Ditto.
1018         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1019         canonicalize_loop_headers, verify_loop_structure): Ditto.
1020         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1021         mfb_update_loops, create_preheader, force_single_succ_latches,
1022         create_loop_notes): Ditto.
1023         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1024         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1025         commit_one_edge_insertion, purge_dead_edges,
1026         cfg_layout_can_merge_blocks_p): Ditto.
1027         * except.c (sjlj_emit_function_enter): Ditto.
1028         * flow.c (init_propagate_block_info): Ditto.
1029         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1030         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1031         insert_insn_end_bb): Ditto.
1032         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1033         find_if_case_2): Ditto.
1034         * lambda-code.c (perfect_nestify): Ditto.
1035         * lcm.c (optimize_mode_switching): Ditto.
1036         * loop-doloop.c (doloop_modify): Ditto.
1037         * loop-init.c (loop_optimizer_init): Ditto.
1038         * loop-iv.c (simplify_using_initial_values): Ditto.
1039         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1040         * loop-unswitch.c (unswitch_loop): Ditto.
1041         * modulo-sched.c (generate_prolog_epilog): Ditto.
1042         * predict.c (combine_predictions_for_insn, estimate_probability,
1043         tree_estimate_probability, last_basic_block_p,
1044         estimate_bb_frequencies): Ditto.
1045         * profile.c (branch_prob): Ditto.
1046         * regrename.c (copyprop_hardreg_forward): Ditto.
1047         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1048         * tracer.c (layout_superblocks): Ditto.
1049         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1050         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1051         cleanup_control_expr_graph, disband_implicit_edges,
1052         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1053         tree_verify_flow_info, tree_make_forwarder_block,
1054         tree_forwarder_block_p, remove_forwarder_block,
1055         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1056         * tree-if-conv.c (tree_if_conversion): Ditto.
1057         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1058         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1059         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1060         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1061         copy_loop_headers): Ditto.
1062         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1063         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1064         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1065         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1066         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1067         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1068         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1069         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1070         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1071         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1072         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1073         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1074         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1075         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1076         slpeel_add_loop_guard): Ditto.
1077
1078 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1079
1080         PR tree-optimization/15784
1081         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1082         and -1 - A to ~A.
1083
1084         * stmt.c (expand_case): Don't change index_type.  Convert minval
1085         to the proper type.
1086
1087         PR tree-optimization/20130
1088         * fold-const.c (fold): Fold x * -1 into -x.
1089
1090 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1091
1092         PR rtl-optimization/20331
1093         * rtlanal.c (modified_between_p): Check its address first for MEM.
1094         (modified_in_p): Likewise.
1095
1096 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1097
1098         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1099
1100 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1101
1102         * expr.c (expand_expr_real_1): If possible, use a conditional
1103         move for expanding MIN_EXPR and MAX_EXPR.
1104         Use temp for moving around rtx-en.
1105
1106 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1107
1108         PR rtl-opt/20412
1109         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1110         correct mode.
1111
1112 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1113
1114         * builtins.c (expand_builtin_signbit): Extend to handle floating
1115         point modes wider than the largest integer type, using the
1116         operand_subword_force function to obtain the signbit's word.
1117
1118 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1119
1120         PR target/20322
1121         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1122         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1123
1124 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1125
1126         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1127
1128 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1129
1130         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1131         type void.
1132         (perform_edge_inserts): Unconditionally call
1133         free_dominator_info.
1134
1135         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1136
1137 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1138
1139         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1140
1141 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1142
1143         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1144
1145         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1146         gcc_unreachable.
1147         (rtl_register_value_prof_hooks,
1148         tree_value_profile_transformations,
1149         tree_register_value_prof_hooks): Likewise.
1150         * var-tracking.c (stack_adjust_offset_pre_post,
1151         variable_htab_free, variable_union, dataflow_set_different_2,
1152         count_uses, variable_was_changed, set_frame_base_location,
1153         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1154         vt_add_function_parameters): Likewise.
1155         * varasm.c (named_section_real, named_section, make_decl_rtl,
1156         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1157         const_hash_1, compare_constant, copy_constant, force_const_mem,
1158         output_constant_pool_2, output_constant_pool_1, output_constant,
1159         output_constructor, make_decl_one_only, decl_tls_model,
1160         default_no_named_section, default_elf_select_section_1,
1161         default_unique_section_1): Likewise.
1162         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1163         * vmsdbgout.c (addr_const_to_string): Likewise.
1164
1165         PR c++/20375
1166         * function.c (struct assign_parm_data_one): Remove last_named
1167         field.
1168         (assign_parm_find_data_types): Don't determine last_named.
1169         Reorder named_parm determination.
1170         (assign_parms): Only setup varargs on the last non-varadic
1171         parameter.
1172
1173 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1174
1175         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1176         sda base address on medium model.
1177
1178 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1179
1180         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1181         * cfgloop.c (flow_loop_nodes_find): Export.
1182         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1183         Declare.
1184         * cfgloopmanip.c (fix_loop_structure): New function.
1185         * predict.c (predict_loops): Clean up the loops information.
1186         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1187         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1188         loop structure.
1189         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1190         (rewrite_into_loop_closed_ssa): Declaration changed.
1191         * tree-loop-linear.c (linear_transform_loops): Add argument to
1192         rewrite_into_loop_closed_ssa call.
1193         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1194         * tree-ssa-loop-im.c (move_computations): Ditto.
1195         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1196         * tree-vectorizer.c (vectorize_loops): Ditto.
1197         * tree-optimize.c: Include cfgloop.h.
1198         (execute_todo): Choose whether to call cleanup_tree_cfg or
1199         cleanup_tree_cfg_loop.
1200         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1201         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1202         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1203         cleanup_tree_cfg_loop call.
1204         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1205         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1206         work on part of cfg.
1207
1208 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR inline-asm/20314
1211         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1212         with multiple alternatives.
1213
1214         * stmt.c (parse_output_constraint): Fix a typo.
1215
1216 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1217
1218         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1219         assembly directive instead of deprecated "no-generics".
1220
1221 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1222
1223         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1224         for non-offsettable memory references to cope with outstanding reload
1225         replacements.
1226         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1227         avoid losing outstanding address reloads.
1228         ("reload_outdi", "reload_outdf"): Likewise.
1229
1230 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1231
1232         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1233         code.  Add more cbrt transformations.
1234
1235 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1236
1237         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1238
1239 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1240
1241         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1242         NULL_TREE when a given tree is not simplified.
1243         (fold): Return the original tree when any of the functions
1244         mentioned above NULL_TREE.
1245
1246         * fold-const.c (fold_unary, fold_binary): Take decomposed
1247         arguments, code, type, op0, and op1 in case of fold_binary.
1248         (fold): Update calls to fold_unary and fold_binary.
1249
1250 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1251
1252         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1253         a fndecl and an arglist instead of a CALL_EXPR, exp.
1254
1255 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1256
1257         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1258
1259         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1260
1261         * expr.c (expand_assignment): Remove orig_to_rtx.
1262
1263         * fold-const.c (int_const_binop): Remove no_overflow.
1264
1265         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1266
1267         * loop-iv.c (get_biv_step_1): Remove lhs.
1268
1269         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1270
1271         * real.c (real_nan): Remove neg.
1272
1273         * function.c (thread_prologue_and_epilogue_insns): Remove i
1274         and newinsn.
1275
1276         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1277         tb.
1278
1279         * tree-eh.c (tree_could_trap_p): Remove idx.
1280
1281         * tree-into-ssa.c (ann): Remove ann.
1282
1283         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1284
1285         * tree-sra.c (decide_block_copy): Remove inst_count.
1286
1287         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1288
1289         * tree-ssa-loop-im.c (lhs): Remove.
1290
1291         * cfgbuild.c (state, STATE, SET_STATE,
1292         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1293         make_edges.
1294         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1295         (find_basic_blocks): Set the state of each basic block to
1296         BLOCK_NEW.
1297
1298 2005-03-08  Jeff Law  <law@redhat.com>
1299
1300         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1301         goto results in the removal of edges in the CFG, then we need
1302         to recompute dominators.
1303
1304 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1305
1306         * c-common.c (c_do_switch_warnings): Comment fix.
1307
1308 2005-03-08  Julian Brown  <julian@codesourcery.com>
1309
1310         * Patch from 2005-03-08 reverted for causing regressions and
1311         ppc-darwin bootstrap failure.
1312
1313 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1314
1315         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1316         Define the real function for ppc-darwin.
1317         * c-typeck.c (convert_arguments): Check for target-specific
1318         invalid argument call to unprototyped function.
1319         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1320         New Macro.
1321         * target.h (invalid_arg_for_unprototyped_fn): New field
1322         in struct calls.
1323         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1324         default target hook.
1325         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1326         Declare.
1327
1328 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1329
1330         * c-typeck.c (constructor_stack, constructor_range_stack,
1331         initializer_stack): Make them static.
1332
1333         * cfg.c (rbi_pool): Make it static.
1334
1335         * gimple-low.c (lower_stmt_body): Make it static.
1336         * tree-flow.h: Remove the corresponding prototype.  Don't
1337         declare lower_data.
1338
1339         * sched-deps.c (cache_size): Make it static.
1340
1341         * stor-layout.c (lang_adjust_rli): Make it static.
1342
1343 2005-03-08  Julian Brown  <julian@codesourcery.com>
1344
1345         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1346         from being used for symbols with vague linkage when
1347         HAVE_GAS_COMDAT_GROUP is true.
1348
1349 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1350
1351         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1352         nlabel == JUMP_LABEL (jump).
1353
1354 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1355
1356         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1357         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1358         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1359         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1360
1361 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1362
1363         PR c/14411
1364         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1365         * c-common.c (handle_returns_twice): New function.
1366         (c_common_attribute_table): Declare eturns_twice' attribute.
1367         * doc/extend.texi: Document eturns_twice' attribute.
1368         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1369         (struct tree_decl): Add returns_twice_flag.
1370
1371 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1372
1373         * tree-ssa-phiopt.c: Fix a comment typo.
1374
1375         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1376         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1377         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1378         copyright.
1379
1380 2005-03-08  Richard Henderson  <rth@redhat.com>
1381
1382         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1383         builtin codes with ctzdi2, clzdi2, popcountdi2.
1384         (struct alpha_builtin_def): Add is_const.
1385         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1386         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1387         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1388         on builtins.
1389         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1390         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1391         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1392         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1393         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1394         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1395         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1396         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1397         (TARGET_FOLD_BUILTIN): New.
1398         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1399         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1400         (ffsdi2): Use ctz.
1401         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1402
1403 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1404
1405         PR tree-optimization/20122
1406         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1407         condition of access function instead of base.
1408
1409 2005-03-07  Jeff Law  <law@redhat.com>
1410             Steven Bosscher  <stevenb@suse.de>
1411
1412         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1413         (find_taken_edge): Call find_taken_edge_computed_goto as
1414         appropriate.  Allow any gimple invariant rather than just
1415         INTEGER_CST for VAL.
1416         (cleanup_control_flow): Cleanup a computed goto which has turned
1417         into a simple goto.
1418         (tree_merge_blocks): If block B has any forced labels, move
1419         them to the start of block A.
1420         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1421         computed gotos as well.
1422         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1423         removal of unnecessary computed gotos too.
1424         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1425         updated.
1426
1427 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1428
1429         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1430         Remove trailing spaces.
1431
1432         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1433         unshare_all_trees): Make them static.
1434         * tree-gimple.h: Remove the corresponding prototypes.
1435
1436         * diagnostic.h: Remove unused prototype
1437         debug_output_buffer.
1438         * modulo-sched.c: Remove unused prototype
1439         set_row_column_for_ps.
1440
1441         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1442         replace_phi_edge_with_variable): Remove unused variable i.
1443
1444 2005-03-07  Per Bothner  <per@bothner.com>
1445
1446         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1447
1448 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1449
1450         PR tree-opt/17671
1451         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1452         bbs on the COND_EXPR instead of the PHI_NODEs.
1453         (candidate_bb_for_phi_optimization): Remove.
1454         (replace_phi_with_stmt): Rename to ...
1455         (replace_phi_edge_with_variable): this and change so that we
1456         replace the phi argument instead of removing the PHI.
1457         (conditional_replacement): Change so we deal with PHI with more
1458         than two arguments.
1459         (value_replacement): Likewise.
1460         (abs_replacement): Likewise.
1461
1462 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1463
1464         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1465         output_e500_flip_gt_bit.
1466
1467         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1468         as bit 31.
1469         (rs6000_generate_compare): Fix logic to look at the correct bits.
1470         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1471         Look at GT bit.
1472         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1473         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1474         gen_move_from_CR_gt_bit.
1475
1476         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1477         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1478         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1479
1480         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1481         (E500_CR_IOR_COMPARE): New constant.
1482
1483 2005-03-08  Earl Chew <earl_chew@agilent.com>
1484             David Billinghurst <David.Billinghurst@riotinto.com>
1485
1486         * config/i386/host-cygwin.c: New file to support precompiled
1487         headers on cygwin
1488         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1489         * config.host: Use above files for cygwin host.
1490
1491 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1492
1493         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1494         ordering ops from earlier change.
1495
1496 2005-03-07  Per Bothner  <per@bothner.com>
1497
1498         Various fixes to allow us to again build if --enable-mapped-location:
1499         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1500         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1501         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1502         local variable loc. Change logic appropriately.
1503         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1504         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1505         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1506         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1507         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1508
1509 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1510
1511         PR rtl-optimization/19683
1512         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1513         number of bytes, to smallest_int_for_mode.  Fix arguments to
1514         REG_CANNOT_CHANGE_MODE_P.
1515
1516 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1517
1518         * reorg.c (relax_delay_slots): Check that the jump is
1519         conditional before trying to invert it.
1520
1521 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1522
1523         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1524         Make them static.
1525
1526         * calls (stack_arg_under_construction): Make it static.
1527
1528         * flow.c (regs_live_at_setjmp): Make it static.
1529         * flow.h: Remove the corresponding prototype.
1530
1531         * reload1.c (reload_startobj, reload_firstobj,
1532         something_needs_operands_changed, reload_inherited,
1533         reload_inheritance_insn, reload_override_in,
1534         reload_spill_index): Make them static.
1535
1536         * recog.c (verify_changes): Make it static.
1537         * recog.h: Remove the corresponding prototype.
1538
1539         * cfgbuild.c (find_sub_basic_blocks): Remove.
1540         * basic-block.h: Remove the corresponding prototype.
1541         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1542         in comments.
1543         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1544
1545         * tree-ssa-operands.c (check_build_stmt): Remove.
1546
1547         * stor-layout.c (set_alignment): Remove.
1548         * tree.h: Remove the corresponding prototype.
1549
1550         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1551
1552         * tree-ssa-dce.c (control_dependence_map,
1553         visited_control_parents): Make them static.
1554
1555         * cfghooks.c (verify_flow_info): Remove local variable
1556         num_bb_notes.
1557
1558         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1559         last_bb_seen.
1560
1561         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1562
1563 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1564
1565         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1566
1567 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1568
1569         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1570         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1571         PARALLEL for an empty structure.
1572
1573 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1574
1575         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1576
1577         * fold-const.c (fold_binary): Unroll the very first "for"
1578         loop.
1579
1580 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1581
1582         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1583         redundant match_code test.
1584         (scc_comparison_operator): Swap match_operand and match_code
1585         tests.
1586         (branch_positive_comparison_operator): Same.
1587         (trap_comparison_operator): Use comparison_operator and swap with
1588         match_code test.
1589
1590 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1591
1592         PR target/20288
1593         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1594         (out_movhi_r_mr): Read low byte of volatile MEM first.
1595         (out_movhi_mr_r): Write high byte of volatile MEM first.
1596
1597 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1598
1599         * cselib.c (reg_values, reg_values_size): Make them static.
1600
1601         * cse.c (cse_reg_info_table): Make it static.
1602
1603         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1604
1605 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1606
1607         * cse.c (find_best_addr): Use canon_for_address.
1608
1609 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1610
1611         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1612         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1613         SUBREG and MEM, respectively.
1614
1615         * fold-const.c (fold_binary): Use code instead of t.
1616
1617         * fold-const.c (optimize_minmax_comparison): Take decomposed
1618         arguments code, type, op0, and op1 instead of t.
1619         (fold_binary): Update a call to optimize_minmax_comparison.
1620
1621         * fold-const.c (fold_range_test): Take decomposed arguments
1622         code, type, op0, and op1 instead of t.
1623         (fold_binary): Update a call to fold_range_test.
1624
1625         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1626         decomposed arguments code, type, op0, and op1 instead of t.
1627         (fold_binary): Update a call to fold_range_test.
1628
1629 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1630
1631         * fold-const.c (fold_binary): Avoid directly using the original
1632         expression t as much as possible.
1633
1634 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1635
1636         * c-semantics.c (build_stmt): Use TYPE_P instead of
1637         IS_NON_TYPE_CODE_CLASS.
1638         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1639         (NON_TYPE_CHECK): Use TYPE_P instead of
1640         IS_NON_TYPE_CODE_CLASS.
1641
1642         * fold-const.c (fold): Remove handling of binary expressions.
1643
1644 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1645
1646         * doc/c-tree.texi: Wrap comments in @r{}.
1647         * doc/cpp.texi: Likewise.
1648         * doc/cppinternals.texi: Likewise.
1649         * doc/extend.texi: Likewise.
1650         * doc/md.texi: Likewise.
1651         * doc/objc.texi: Likewise.
1652         * doc/sourcebuild.texi: Likewise.
1653         * doc/tm.texi: Likewise.
1654         * doc/tree-ssa.texi
1655
1656 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1657
1658         * predict.c (apply_return_prediction): Standardize PHI chain
1659         walking.
1660         * tree-ssa.c (ssa_redirect_edge): Likewise.
1661
1662         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1663         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1664         Update copyright.
1665
1666         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1667         * tree-flow.h: Adjust the prototype for remove_phi_node.
1668         * lambda-code.c (perfect_nestify): Adjust a call to
1669         remove_phi_node.
1670         * tree-cfg.c
1671         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1672         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1673         Likewise.
1674         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1675         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1676         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1677         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1678
1679         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1680         of GEN_INT (trunc_int_for_mode (...)).
1681         * loop-iv.c (iv_number_of_iterations): Likewise.
1682         * postreload.c (reload_cse_move2add): Likewise.
1683         * simplify-rtx.c (simplify_const_unary_operation,
1684         simplify_const_binary_operation): Likewise.
1685         * stor-layout.c (get_mode_bounds): Likewise.
1686
1687         * fold-const.c (fold_binary): New.
1688         (fold): Call fold_binary on binary expressions.
1689
1690 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1691
1692         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1693         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1694         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1695         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1696         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1697
1698 2005-03-04  Devang Patel  <dpatel@apple.com>
1699
1700         PR tree-optimization/18815
1701         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1702         loops with zero exit edges.
1703
1704 2005-03-04  Devang Patel  <dpatel@apple.com>
1705
1706         * doc/invoke.texi: Remove reference to webpage that does not exist.
1707
1708 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1709             Joseph S. Myers  <joseph@codesourcery.com>
1710
1711         PR c++/19797
1712         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1713         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1714         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1715         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1716         maybe_get_identifier instead of get_identifier.
1717         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1718         (struct deferred_plabel): Replace name field with symbol field.
1719         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1720         ASM_OUTPUT_EXTERNAL_REAL is defined.
1721         (output_global_address): Use output_addr_const for output of all
1722         symbol_refs.
1723         (output_deferred_plabels): Use symbol_ref instead of name for address
1724         output.
1725         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1726         ASM_OUTPUT_SYMBOL_REF): New macros.
1727         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1728         comment.
1729         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1730         label.
1731
1732 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1733
1734         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1735         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1736
1737 2005-03-04  Jeff Law  <law@redhat.com>
1738
1739         * basic-block.h (rediscover_loops_after_threading): Declare.
1740         * tree-ssa-dom.c: Include cfgloop.h.
1741         (tree_ssa_dominator_optimize): Discover loops and some basic
1742         properties.  Remove forwarder blocks recreated by loop header
1743         canonicalization.  Also mark backedges in the CFG.
1744         * tree-ssa-threadupdate.c: Include cfgloop.h
1745         (rediscover_loops_after_threading): Define.
1746         (struct local_info): New field, JUMP_THREADED.
1747         (prune_undesirable_thread_requests): New function.
1748         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1749         then record that fact for the callers of redirct_edges.
1750         (thread_block): If BB has incoming backedges, then call
1751         prune_undesirable_thraed_requests.    Note when we are
1752         going to have to rediscover loop information.  Return a
1753         boolean indicating if any jumps were threaded.
1754         (thread_through_all_blocks): Bubble up boolean indicating
1755         if any jumps were threaded.
1756         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1757         (tree-ssa-threadupdate.o): Similarly.
1758
1759 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1760
1761         * fold-const.c (fold_ternary): Unroll the "for" loop to
1762         extract operands.
1763
1764 2005-03-04  Andrew Haley  <aph@redhat.com>
1765
1766         * unwind-dw2-fde-glibc.c (struct
1767         unw_eh_callback_data.check_cache): New field.
1768         (frame_hdr_cache): New.
1769         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1770         Cache frame header info.
1771
1772 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1773
1774         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1775         (print_c_condition): Declare.
1776         * read-rtl.c (ptr_loc): New structure.
1777         (ptr_locs, ptr_loc_obstack, joined_conditions)
1778         (joined_conditions_obstack): New variables.
1779         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1780         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1781         (join_c_conditions, print_c_condition): New functions.
1782         (apply_macro_to_string): Associate the new string with the same
1783         source location as the old one.
1784         (add_condition_to_string): Use join_c_conditions.
1785         (read_string): Use set_rtx_ptr_loc to record a filename and line
1786         number for the string.
1787         (read_rtx): Initialize the new variables above.
1788         * genattrtab.c (write_test_expr, write_attr_value): Use
1789         print_c_condition.
1790         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1791         comment above the GCC_VERSION check.
1792         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1793         Inline the definition of MAYBE_EVAL.
1794         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1795         * genoutput.c (process_template): Likewise.
1796         * genpreds.c (write_predicate_subfunction): Likewise.
1797         (write_predicate_expr): Use print_c_condition.
1798         * genrecog.c (write_cond): Likewise.
1799         * gensupport.c (process_rtx): Use join_c_conditions to join the
1800         conditions of a define_insn_and_split.  Record a source location
1801         for the string after the "&&".
1802         (alter_test_for_insn): Use join_c_conditions.
1803
1804 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1805
1806         Revert for now:
1807         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1808         PR tree-optimization/15784
1809         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1810         and -1 - A to ~A.
1811
1812 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1813
1814         * gcc.c (option_map): Add --coverage.
1815         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1816         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1817         * config/darwin.h: Pass -lgcov for `coverage'.
1818         * doc/invoke.texi (Debugging Options): Document --coverage.
1819
1820 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1821
1822         * gcse.c (bypass_block): Use find_edge wherever possible.
1823
1824 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1825
1826         Fix PR debug/20253
1827
1828         * c-opts.c (c_common_parse_file): Call start_source_file
1829         and end_source_file at the approriate times.
1830
1831         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1832         the main file, it will be done for us now.
1833
1834 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1835
1836         * fold-const.c (fold_ternary): New.
1837         (fold): Call fold_ternary on ternary expressions.  Remove
1838         handling of ternary expressions.
1839
1840 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1841
1842         PR tree-optimization/15784
1843         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1844         and -1 - A to ~A.
1845
1846 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1847
1848         * config/rs6000/predicates.md (branch_comparison_operator):
1849         Convert from C block to conditional format.
1850
1851 2005-03-03  Jan Hubicka  <jh@suse.cz>
1852
1853         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1854         and non-constant public variables.
1855
1856 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1857
1858         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1859         with LABEL_EXPR.
1860
1861         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1862         EDGE_I.
1863
1864         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1865         calls to release_ssa_name and release_phi_node.
1866
1867         * fold-const.c (fold): Remove handling of unary expressions.
1868
1869         * fold-const.c (fold_unary): Avoid directly using the original
1870         expression t as much as possible.
1871
1872 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1873             Andrew Pinski  <pinskia@physics.uc.edu>
1874
1875         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1876         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1877
1878 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1879
1880         Describe special registers SRP and MOF as allocatable registers.
1881         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1882         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1883         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1884         TARGET_HAS_MUL_INSNS.
1885         (cris_print_operand) <case 'd'>: New case.
1886         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1887         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1888         define.
1889         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1890         (REG_ALLOC_ORDER): Update for MOF.
1891         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1892         SPECIAL_REGS.
1893         (GENERAL_REGS): No longer a define of ALL_REGS.
1894         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1895         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1896         Adjust accordingly.
1897         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1898         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1899         (SECONDARY_RELOAD_CLASS): Define.
1900         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1901         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1902         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1903         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1904         (REGISTER_MOVE_COST): Define.
1905         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1906         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1907         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1908         (CRIS_MOF_REGNUM): New define_constants.
1909         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1910         special registers.
1911         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1912         New patterns.
1913         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1914         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1915         Adjust for MOF being properly described as a register.
1916         (indir_to_reg_split): Name this split.  Conditionalize on the
1917         destination register being a general register.
1918         (movei): Conditionalize on on operands 0 and 1 having the same
1919         register class.
1920
1921 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1922
1923         PR target/20277
1924         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1925         -mcpu to override any other explicitly given flags.
1926
1927 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1928
1929         * recog.c (verify_changes, confirm_change_group): New functions,
1930         broken out of apply_change_group.
1931         (apply_change_group): Use them.
1932         * recog.h (verify_change, confirm_change_group): Declare.
1933         * rtl.h (redirect_jump_2): Declare.
1934         * jump.c (redirect_exp, invert_exp): Delete.
1935         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1936         (redirect_jump_2): New function, broken out of redirect_jump.
1937         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1938         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1939         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1940
1941 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1942
1943         * varasm.c (named_section): Use xstrdup rather than doing it by
1944         hand.
1945
1946         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1947
1948 2005-03-02  Devang Patel  <dpatel@apple.com>
1949
1950         Undo PR tree-optimization/18815 fix.
1951
1952 2005-03-02  Devang Patel  <dpatel@apple.com>
1953
1954         PR tree-optimization/18815
1955         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1956         loops with zero exit edges.
1957
1958 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1959
1960         * cfg.c (connect_src, connect_dest, disconnect_src,
1961         disconnct_dest): New.
1962         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1963         redirect_edge_pred): Use the new functions.
1964
1965         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1966         free_dominance_info only when needed.
1967
1968 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1969
1970         PR target/20276
1971         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1972         (reg_or_sub_cint64_operand): Same.
1973
1974 2005-03-02  Jeff Law  <law@redhat.com>
1975
1976         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1977         CFG_ALTERED in the main DOM iteration loop.
1978
1979 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1980
1981         PR c++/19916
1982         * varasm.c (initializer_constant_valid_p): Allow conversions
1983         between OFFSET_TYPEs.  Tidy.
1984
1985 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1986
1987         * config/cris/cris.md ("return"): Remove epilogue delay list
1988         sanity check.
1989
1990 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1991
1992         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1993         for Thumb.
1994         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1995
1996 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1997
1998         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1999         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2000         config/m68k/m68k.c, config/mips/mips.h,
2001         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2002         doc/include/gcc-common.texi: Update copyright.
2003
2004         PR middle-end/18029 and PR middle-end/18030
2005         * expr.c (optimize_bitfield_assignment_op): Add a special case
2006         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2007
2008         * fold-const.c (fold_unary): New.
2009         (fold): Call fold_unary on unary expressions.
2010
2011 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2012
2013         * cgraph.h (struct cgraph_edge): Add prev_caller and
2014         prev_callee fields.
2015         (cgraph_node_remove_callees): Export.
2016         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2017         and prev_callee.
2018         (cgraph_edge_remove_callee): New function.
2019         (cgraph_edge_remove_caller): Likewise.
2020         (cgraph_remove_edge): Use.
2021         (cgraph_redirect_edge_callee): Likewise.
2022         (cgraph_node_remove_callees): New function.
2023         (cgraph_node_remove_callers): Likewise.
2024         (cgraph_remove_node): Use.
2025         * tree-optimize.c (tree_rest_of_compilation): Use
2026         cgraph_node_remove_callees instead of manual loop.
2027         * cgraphunit.c (cgraph_finalize_function): Likewise.
2028         (cgraph_expand_function): Likewise.
2029         (cgraph_remove_unreachable_nodes): Likewise.
2030
2031 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2032
2033         PR c/8927
2034         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2035         argument.
2036         * c-decl.c (undeclared_variable): Take location as argument.
2037         * c-typeck.c (build_external_ref): Likewise.
2038         * c-parser.c (c_parser_postfix_expression): Pass location of
2039         identifier to build_external_ref.
2040
2041 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2042
2043         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2044         CCEQ mode for branch_positive_comparison_operator test.
2045         * config/rs6000/predicates (branch_comparison_operator): Revert to
2046         define_predicate.
2047         (scc_comparison_operator): Same.
2048         (branch_positive_comparison_operator): Same.
2049
2050 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2051
2052         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2053         (cris_delay_slots_for_epilogue): Remove.
2054         (save_last): Move into cris_target_asm_function_epilogue.
2055         (cris_target_asm_function_epilogue): Remove tests for file being
2056         NULL.
2057         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2058         (cris_delay_slots_for_epilogue): Remove prototypes.
2059         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2060         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2061
2062 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2063
2064         * config/rs6000/predicates.md (branch_comparison_operator): Change
2065         to define_special_predicate.
2066         (scc_comparison_operator): Same.
2067         (branch_positive_comparison_operator): Same.
2068
2069 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2070
2071         * Makefile.in (tree-ssa-sink.o): New.
2072         (OBJS-common): Add tree-ssa-sink.o.
2073         * common.opt: Add -ftree-sink
2074         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2075         * timevar.def (TV_TREE_SINK): new timevar.
2076         * tree-flow.h (is_hidden_global_store): Prototype.
2077         * tree-optimize.c (init_tree_optimization_passes): Add
2078         pass_sink_code.
2079         * tree-pass.h (pass_sink_code): New.
2080         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2081         for non-obvious global store store to is_hidden_global_store, and
2082         call that new function.
2083         * tree-ssa-sink.c: New file.
2084         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2085         * doc/passes.texi: Document forward store motion.
2086         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2087         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2088         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2089         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2090
2091 2005-03-01  Per Bothner  <per@bothner.com>
2092
2093         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2094         and we have a non-zero column-number, add it to the message.
2095         Also factor out the diagnostic_kind_text.
2096
2097 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2098
2099         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2100         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2101         flow_loop_scan): Removed.
2102         (flow_loop_dump): Do not dump removed fields.
2103         (flow_loop_free): Do not free removed fields.
2104         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2105         (loop_exit_edge_p): New function.
2106         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2107         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2108         num_exits, exits_doms.
2109         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2110         LOOP_EDGES, LOOP_ALL): Removed.
2111         (flow_loop_scan): Declaration removed.
2112         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2113         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2114         flow_loops_find.
2115         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2116         (if_convert): Call flow_loops_find and flow_loops_free
2117         when calling mark_loop_exit_edges.
2118         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2119         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2120         free_dominance_info calls.
2121         * loop-init.c (flow_loops_find): Ditto.
2122         * passes.c (rest_of_handle_branch_prob): Ditto.
2123         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2124         * loop-unroll.c (analyze_insns_in_loop): Do not use
2125         EDGE_LOOP_EXIT.
2126         * predict.c (predict_loops): Do not call flow_loop_scan.
2127         Use get_loop_exit_edges.
2128         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2129         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2130         Do not use EDGE_LOOP_EXIT.
2131         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2132         to bb_with_exit_edge_p.
2133         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2134         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2135         to bb_with_exit_edge_p.
2136         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2137         EDGE_LOOP_EXIT.
2138         * tree-loop-linear.c (linear_transform_loops): Do not call
2139         flow_loop_scan.  Use loop->single_exit.
2140         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2141         (vect_analyze_loop_form): Do not call flow_loop_scan.
2142         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2143         loop->single_exit.
2144         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2145         loop->single_exit.
2146         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2147         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2148         slpeel_tree_duplicate_loop_to_edge_cfg,
2149         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2150         Use loop_preheader_edge and loop->single_exit.  Do not call
2151         flow_loop_scan.
2152
2153 2005-03-01  Nick Clifton  <nickc@redhat.com>
2154
2155         * config/arm/arm.c (thumb_find_work_register): Check all of the
2156         argument registers to see if they are free, and a couple of
2157         special cases where the last argument register but can be proved
2158         to be available during the function's prologue.
2159         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2160         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2161         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2162         register bit-mask.
2163         (thumb_compute_save_reg_mask): Likewise.  Also use
2164         thumb_find_work_register() to ensure that there is agreement about
2165         which work register is going to be used in the prologue.
2166         (thumb_output_function_prologue): Use unsigned long as the type
2167         for the register bit-mask.  Also delay pushing the link register if
2168         other high registers are going to be pushed.
2169         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2170         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2171         redundant prototypes.
2172
2173 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2174
2175         PR target/19819
2176         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2177         and after reload in REG+REG indexed addresses without REG_POINTER
2178         set in the base and not set in the index.
2179
2180 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2181
2182         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2183         Don't undefine here.
2184         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2185         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2186         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2187         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2188         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2189         Delete.
2190         * config.gcc (sh*-*-linux*): Use config/linux.h.
2191
2192 2005-02-28  Dale Johannesen  <dalej@apple.com>
2193             Stan Shebs  <shebs@apple.com>
2194
2195         Rewrite of 64-bit Darwin structure-by-value pass/return.
2196         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2197         intoffset, use_stack, named.
2198         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2199         (rs6000_darwin64_record_arg_advance_flush):  New.
2200         (rs6000_darwin64_record_arg_advance_recurse): New.
2201         (rs6000_darwin64_record_arg_flush):  New.
2202         (rs6000_darwin64_record_arg_recurse):  New.
2203         (rs6000_darwin64_record_arg):  New.
2204         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2205         (function_arg_boundary):  Handle 128-bit aligned structs.
2206         (function_arg_advance):  Rewrite darwin64 struct handling.
2207         (function_arg):  Call rs6000_darwin64_record_arg.
2208         (function_arg_partial_nregs):  Handle darwin64 structs.
2209         (rs6000_darwin64_function_value):  Remove.
2210         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2211
2212 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2213
2214         PR tree-optimization/20216
2215         * tree-chrec.c (tree_fold_factorial): Delete.
2216         (tree_fold_binomial): Change argument list to take a return type
2217         and change the type of K to unsigned int.  Rewrite to avoid explicit
2218         evaluation of factorials, and (recursively) calling fold to perform
2219         compile-time arithmetic.  Return NULL on (internal) overflow.
2220         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2221         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2222         if any intermediate calculation overflows.
2223         (chrec_apply): Update call to chrec_evaluate.
2224
2225 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2226
2227         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2228
2229 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2230
2231         PR c/20245
2232         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2233         instead of NULL_TREE on error.
2234
2235 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2236
2237         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2238         (EASY_VECTOR_15_ADD_SELF): Remove.
2239         (num_insns_constant_wide): Not static.
2240         (validate_condition_mode): Not static.
2241         (toc_relative_expr_p): Not static.
2242         (legitimate_indirect_address_p): Not static.
2243         (macho_lo_sum_memory_operand): Not static.
2244         (invalid_e500_subreg): Not static.
2245         (easy_vector_same): Not static.
2246         (easy_vector_splat_const): Not static.
2247         (RS6000_SYMBOL_REF_TLS_P): Remove.
2248         (any_operand): Delete.
2249         (any_parallel_operand): Delete.
2250         (count_register_operand): Delete.
2251         (altivec_register_operand): Delete.
2252         (xer_operand): Delete.
2253         (s8bit_cint_operand): Delete.
2254         (short_cint_operand): Delete.
2255         (u_short_cint_operand): Delete.
2256         (non_short_cint_operand): Delete.
2257         (exact_log2_cint_operand): Delete.
2258         (gpc_reg_operand): Delete.
2259         (cc_reg_operand): Delete.
2260         (cc_reg_not_cr0_operand): Delete.
2261         (reg_or_short_operand): Delete.
2262         (reg_or_neg_short_operand): Delete.
2263         (reg_or_aligned_short_operand): Delete.
2264         (reg_or_u_short_operand): Delete.
2265         (reg_or_cint_operand): Delete.
2266         (reg_or_arith_cint_operand): Delete.
2267         (reg_or_add_cint64_operand): Delete.
2268         (reg_or_sub_cint64_operand): Delete.
2269         (reg_or_logical_cint_operand): Delete.
2270         (got_operand): Delete.
2271         (got_no_const_operand): Delete.
2272         (easy_fp_constant): Delete.
2273         (easy_vector_constant): Delete.
2274         (easy_vector_constant_add_self): Delete.
2275         (zero_constant): Delete.
2276         (zero_fp_constant): Delete.
2277         (volatile_mem_operand): Delete.
2278         (offsettable_mem_operand): Delete.
2279         (mem_or_easy_const_operand): Delete.
2280         (add_operand): Delete.
2281         (non_add_cint_operand): Delete.
2282         (logical_operand): Delete.
2283         (non_logical_cint_operand): Delete.
2284         (mask_operand): Delete.
2285         (mask_operand_wrap): Delete.
2286         (mask64_operand): Delete.
2287         (mask64_2_operand): Delete.
2288         (and64_operand): Delete.
2289         (and64_2_operand): Delete.
2290         (and_operand): Delete.
2291         (reg_or_mem_operand): Delete.
2292         (lwa_operand): Delete.
2293         (symbol_ref_operand): Delete.
2294         (call_operand): Delete.
2295         (current_file_function_operand): Delete.
2296         (input_operand): Delete.
2297         (rs6000_nonimmediate_operand): Delete.
2298         (rs6000_tls_symbol_ref): Delete.
2299         (save_world_operation): Delete.
2300         (restore_world_operation): Delete.
2301         (load_multiple_operation): Delete.
2302         (store_multiple_operation): Delete.
2303         (vrsave_operation): Delete.
2304         (mfcr_operation): Delete.
2305         (mtcrf_operation): Delete.
2306         (lmw_operation): Delete.
2307         (stmw_operation): Delete.
2308         (branch_comparison_operator): Delete.
2309         (branch_positive_comparison_operator): Delete.
2310         (scc_comparison_operator): Delete.
2311         (trap_comparison_operator): Delete.
2312         (boolean_operator): Delete.
2313         (boolean_or_operator): Delete.
2314         (min_max_operator): Delete.
2315         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2316         (EASY_VECTOR_15): Moved to here.
2317         (EASY_VECTOR_15_ADD_SELF): Move to here.
2318         (PREDICATE_CODES): Delete.
2319         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2320         Declare functions no longer static.
2321         * config/rs6000/predicates.md: New.
2322         * config/rs6000/rs6000.md: Include predicates.md
2323
2324 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2325
2326         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2327         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2328         REG_ALWAYS_RETURN.
2329         * cfgrtl.c (need_fake_edge_p): Likewise.
2330         * combine.c (distribute_notes): Likewise.
2331         * emit-rtl.c (try_split): Likewise.
2332         * recog.c (peephole2_opimize): Likewise.
2333         * reg-notes.def (ALWAYS_RETURN): Remove.
2334         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2335         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2336         * tree.h (ECF_ALWAYS_RETURN): Remove.
2337
2338 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2339
2340         PR middle-end/19874
2341         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2342         between different machine modes is never a "useless" conversion.
2343
2344 2005-02-28  Geert Bosch  <bosch@gnat.com>
2345
2346         PR ada/15977
2347         * doc/contrib.texi: List contributors for Ada front end
2348
2349 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2350
2351         * simplify-rtx.c (simplify_unary_operation_1,
2352         simplify_const_unary_operation): New, extracted from...
2353         (simplify_unary_operation): ... this one.
2354         (simplify_binary_operation_1,
2355         simplify_const_binary_operation): New, extracted from...
2356         (simplify_binary_operation): ... this one.
2357         * rtl.h (simplify_const_unary_operation,
2358         simplify_const_binary_operation): Add prototypes.
2359
2360 2005-02-28  Julian Brown  <julian@codesourcery.com>
2361
2362         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2363         building libjava and caused PR regression/20228.
2364
2365 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2366
2367         PR bootstrap/17383
2368         * Makefile.in (host_subdir): New.
2369         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2370         * configure: Regenerate.
2371
2372 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2373
2374         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2375         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2376         installation directory first.
2377
2378 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2379
2380         PR target/19065.
2381         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2382         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2383         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2384         * config/cris/cris.md: Tweak comments referring to Q.
2385         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2386         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2387         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2388         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2389         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2390         Insert spaces in constraints to align alternatives vertically for
2391         readability.
2392         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2393         operand 1: "M".
2394
2395 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2396
2397         PR rtl-optimization/17728
2398         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2399         operand 0 from general_operand to move_dest_operand.
2400
2401 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2402
2403         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2404         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2405         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2406         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2407
2408 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2409
2410         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2411         * configure: Regenerate.
2412         * libada-mk.in: Remove CC; rename
2413         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2414
2415 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2416
2417         PR tree-opt/20188
2418         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2419         for the lhs, also walk over the tree.  Likewise for rhs.
2420
2421 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2422
2423         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2424         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2425         Do not propagate value of iv before increment over the increment.
2426
2427 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2428
2429         * c-parser.c: New file.
2430         * c-parse.in: Remove.
2431         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2432         Remove.
2433         (c-parser.o): Add dependencies.
2434         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2435         maintainer-clean, TAGS): Update.
2436         * c-config-lang.in (gtfiles): Update.
2437         * gengtype-lex.l: Don't handle "@@".
2438         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2439         objc_build_synchronized, objc_begin_try_stmt,
2440         objc_begin_catch_clause, objc_finish_catch_clause,
2441         objc_build_finally_clause, objc_finish_try_stmt): New.
2442         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2443         type_seen_p.
2444         (c_parse_init): Update comment.
2445         * c-decl.c (c_init_decl_processing): Update comment.
2446         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2447         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2448         new c_declspecs members.
2449
2450 2005-02-25  Julian Brown  <julian@codesourcery.com>
2451
2452         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2453         from being used for symbols with vague linkage when
2454         HAVE_GAS_COMDAT_GROUP is true.
2455
2456 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2457
2458         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2459
2460 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2461
2462         PR target/19930
2463         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2464         (LIBGCC2_HAS_DF_MODE): New.
2465         (LIBGCC2_HAS_XF_MODE): New.
2466         (LIBGCC2_HAS_TF_MODE): New.
2467         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2468         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2469         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2470         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2471         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2472         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2473         and add _fixtfdi, _fixunstfdi, _floatditf
2474         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2475         L_fixunstfdi, L_floatditf.
2476         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2477         (LIBGCC2_HAS_TF_MODE): Define.
2478
2479 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2480
2481         PR tree-optimization/20204
2482         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2483         REWRITE_THIS_STMT markers on PHI nodes.
2484         (rewrite_initialize_block): Likewise.
2485
2486 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2487
2488         * version.c (version_string): Update to 4.1.
2489
2490 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2491
2492         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2493         Clarify that the alternative way doesn't work in GNU C++.
2494
2495 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2496
2497         PR tree-optimization/19937
2498         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2499         to the type of the induction variable.
2500
2501 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2502
2503         PR rtl-optimization/20117
2504         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2505         the block including noncopyable insn.
2506
2507 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2508
2509         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2510         calls to find_reg_note.
2511
2512 2005-02-24  Richard Henderson  <rth@redhat.com>
2513
2514         PR tree-opt/20127
2515         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2516         the type.
2517
2518 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2519
2520         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2521         vector types if to use base reg for misaligned non-word ld/std.
2522
2523 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2524
2525         PR target/14619
2526         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2527         dwarf2 label manually and put it after, not before the prologue.
2528
2529 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2530
2531         PR target/19019
2532         * reload.c (operands_match_p): Only increment register number for
2533         SCALAR_INT_MODE_P modes in multiple hard registers.
2534
2535         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2536         Fix formatting.
2537
2538 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2539
2540         * ChangeLog.5: Fix log message typo(s).
2541         * ChangeLog.7: Likewise.
2542         * ChangeLog.tree-ssa: Likewise.
2543         * cfgexpand.c: Fix comment typo(s).
2544         * conflict.c: Likewise.
2545         * defaults.h: Likewise.
2546         * dwarf2out.c: Likewise.
2547         * gcse.c: Likewise.
2548         * ggc-page.c: Likewise.
2549         * tree-eh.c: Likewise.
2550         * tree-ssa-dom.c: Likewise.
2551
2552 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2553
2554         PR target/19019
2555         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2556         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2557         if SHARED is defined.
2558
2559         PR target/20196
2560         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2561         allow splitting only if operands 0 and 3 don't overlap.
2562
2563 2005-02-24  Richard Henderson  <rth@redhat.com>
2564
2565         PR middle-end/19953
2566         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2567         (fold_builtin_1): Call them.
2568         * fold-const.c (fold_complex_mult_parts): Split out from ...
2569         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2570         (fold_complex_div_parts, fold_complex_div): New.
2571         (fold): Use them.
2572         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2573
2574 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2575
2576         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2577         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2578
2579         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2580         (print_node): Likewise.
2581         Print TYPE_SIZES_GIMPLIFIED.
2582
2583 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2584
2585         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2586         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2587         operands as commutative in constraints.
2588
2589 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2590
2591         * tree-into-ssa.c: Re-organize internal functions.
2592
2593 2005-02-24  Richard Henderson  <rth@redhat.com>
2594
2595         PR middle-end/18902
2596         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2597         for c99.
2598         * common.opt (fcx-limited-range): New.
2599         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2600         * toplev.c (flag_complex_method): Initialize to 1.
2601         (process_options): Set flag_complex_method to 0 if
2602         flag_cx_limited_range.
2603         * doc/invoke.texi (-fcx-limited-range): New.
2604
2605 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2606
2607         * cse.c (delete_trivially_dead_insns): Speed up by using
2608         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2609         prev_real_insn.
2610
2611 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2612
2613         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2614         functions when -mid-shared-library is being used.
2615
2616 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2617
2618         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2619         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2620         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2621         * system.h: Poison LINK_LIBGCC_SPECIAL.
2622
2623 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2624
2625         * gengtype.c (note_insn_name): Make 1 element larger.
2626
2627 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2628
2629         PR target/20018
2630         PR rtl-optimization/20097
2631         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2632         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2633
2634 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2635
2636         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2637         * t-aix52 (SHLIB_INSTALL): Same.
2638
2639 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2640
2641         * genpreds.c: Update copyright.
2642
2643 2005-02-23  Michael Beach  <michaelb@ieee.org>
2644
2645         PR target/20159
2646         * config/sparc/t-elf (startup files): Assemble with CPP.
2647
2648 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2649
2650         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2651         (write_predicate_expr): Likewise.
2652
2653 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2654
2655         PR tree-optimization/20100
2656         PR tree-optimization/20115
2657         * tree-optimize.c (init_tree_optimization_passes): Remove
2658         pass_maybe_create_global_var.
2659         * tree-pass.h (pass_maybe_create_global_var): Remove.
2660         * tree-ssa-alias.c (aliases_computed_p): Declare.
2661         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2662         (count_calls_and_maybe_create_global_var): Remove.
2663         (pass_maybe_create_global_var): Remove.
2664         (init_alias_info): Do not declare aliases_computed_p.
2665         (maybe_create_global_var): If the function contains no
2666         call-clobbered variables and a mix of pure/const and regular
2667         function calls, create .GLOBAL_VAR.
2668         Mark all call-clobbered variables for renaming.
2669         (merge_pointed_to_info): Update comment.
2670         (add_pointed_to_var): Likewise.
2671         (is_escape_site): Likewise.
2672         Accept struct alias_info * instead of size_t *.
2673         Update all users.
2674         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2675         as necessary.
2676         * tree-ssa-operands.c (get_call_expr_operands): If
2677         ALIASES_COMPUTED_P is false, do not add call-clobbering
2678         operands.
2679         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2680         (delete_tree_ssa): Likewise.
2681
2682 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2683
2684         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2685         (do_compile): Do call it here.
2686
2687 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2688
2689         PR rtl-optimization/20017.
2690         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2691         rest_of_handle_cse2, rest_of_handle_gcse): Call
2692         delete_dead_jumptables immediately before calling cleanup_cfg.
2693
2694 2005-02-22  Devang Patel  <dpatel@apple.com>
2695
2696         PR 19952
2697         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2698         all labels
2699
2700 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2701
2702         * config/rs6000/aix.h (WINT_TYPE): Define.
2703
2704 2005-02-22  Stan Shebs  <shebs@apple.com>
2705
2706         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2707         natural alignment for 64-bit Darwin.
2708         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2709         on 64-bit Darwin.
2710         * doc/invoke.texi: Document this.
2711
2712 2005-02-22  DJ Delorie  <dj@redhat.com>
2713
2714         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2715         to make_[un]signed_type, not the mode itself.
2716
2717 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2718
2719         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2720         not available.  Use tail calls wherever possible.
2721         (make_edge): Call unchecked_make_edge to create an edge.
2722
2723         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2724         (coalesce_ssa_name): Don't check for
2725         SSANORM_USE_COALESCE_LIST.
2726         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2727
2728 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2729
2730         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2731         (rewrite_into_ssa): ... here.
2732
2733 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2734
2735         PR tree-optimization/19786
2736         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2737         tag to another's may-alias bitmap when adding to the other's list.
2738
2739 2005-02-21  DJ Delorie  <dj@redhat.com>
2740
2741         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2742         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2743         registers in unsupported ways.
2744         * expmed.c (init_expmed): Likewise.
2745
2746 2005-02-21  Stan Cox  <scox@redhat.com>
2747
2748         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2749
2750 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2751
2752         * tree-cfg.c (fold_cond_expr_cond): New.
2753         (make_edges): Call fold_cond_expr_cond.
2754         (find_taken_edge): Accept nothing but INTEGER_CST.
2755         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2756         and 1.
2757         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2758
2759         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2760         that do not belong to any basic block.
2761
2762 2005-02-21  Jeff Law  <law@redhat.com>
2763
2764         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2765         e->dest.
2766
2767 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2768
2769         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2770         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2771         Adjust their definitions.
2772         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2773         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2774
2775         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2776         genautomata.c, langhooks.c, langhooks.h, system.h,
2777         config/arm/lib1funcs.asm: Update copyright.
2778
2779 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2780
2781         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2782
2783 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2784
2785         PR bootstrap/13770
2786         * doc/install.texi: Document --with-gc.
2787
2788 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2789
2790         * simplify-rtx.c (simplify_unary_operation): Add a missing
2791         "break" statement.
2792
2793 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2794
2795         PR tree-optimization/18663
2796         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2797         if the type has variable bounds.
2798
2799 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2800
2801         * gcse.c: Remove an obsolete comment.
2802
2803         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2804
2805 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2806
2807         * doc/extend.texi (Function Attributes) <Attribute const>: The
2808         attribute "pure" is below this text, not above.
2809
2810 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2811
2812         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2813         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2814         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2815
2816 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2817
2818         PR 18785
2819         * langhooks.h (struct lang_hooks): Add to_target_charset.
2820         * langhooks.c (lhd_to_target_charset): New function.
2821         * langhooks-def.h: Declare lhd_to_target_charset.
2822         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2823         (LANG_HOOKS_INITIALIZER): Update.
2824         * c-common.c (c_common_to_target_charset): New function.
2825         * c-common.h: Declare it.
2826         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2827         c_common_to_target_charset.
2828
2829         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2830         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2831         Delete definitions.
2832         * system.h: Poison them.
2833         * doc/tm.texi: Don't discuss them.
2834         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2835         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2836         (pp_c_char): Do not attempt to generate letter escapes for
2837         newline, tab, etc.
2838         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2839         * config/mips/mips.c (mips_output_ascii): Likewise.
2840
2841 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2842
2843         PR tree-optimization/19951
2844         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2845         is abnormal.
2846
2847 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2848
2849         PR middle-end/19698
2850         * function.h (struct function): New field `max_loop_depth'.
2851         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2852         (flow_loops_find): Reset the max loop depth count before finding loops.
2853         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2854         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2855         (calculate_global_regs_live): Make sure the loop will terminate
2856         when the initial sets are not empty.
2857
2858 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2859
2860         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2861         object inside.
2862         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2863
2864 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2865
2866         PR other/19525
2867         * doc/invoke.texi: Remove documentation of %M spec.
2868         * gcc.c: Likewise.
2869         (init_spec): Remove %M suffix from -lgcc_s.
2870         (do_spec_1): Remove 'M' case.
2871         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2872         to put shared libraries in the multilib directory.  Remove the
2873         shlib_so_soname substitution variable.  Don't add a multilib encoding
2874         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2875         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2876         SHLIB_INSTALL as well as SHLIB_LINK.
2877         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2878         (SHLIB_NAME): Delete.
2879         (SHLIB_DIR): New macro.
2880         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2881         (SHLIB_INSTALL): Adjust accordingly.
2882         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2883         * config/t-slibgcc-sld: Likewise.
2884         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2885         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2886         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2887         in $(SHLIB_DIR).
2888         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2889         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2890         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2891         Use @shlib_base_name@ instead of @shlib_so_name@.
2892         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2893         and @shlib_base_name@.so in @multilib_dir@.
2894         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2895         to the install path.
2896         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2897         (SHLIB_LINK): Remove previous workaround.
2898         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2899         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2900         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2901         the install path.
2902         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2903         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2904         (SHLIB_INSTALL): Adjust accordingly.
2905         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2906         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2907         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2908         config/t-slibgcc-elf-ver.
2909
2910 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2911             Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR tree-optimization/19828
2914         * tree-ssa-loop-im.c: Add a TODO comment.
2915         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2916         without side-effects.
2917
2918 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2919
2920         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2921         call fold_convert.
2922
2923 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2924
2925         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2926         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2927         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2928         functions.
2929         (ia64_reorg): Delete fixup_errata call.
2930         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2931         (TARGET_SWITCHES): Delete -mb-step entry.
2932
2933 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2934
2935         PR c/20043
2936         * c-typeck.c (composite_type): Handle quals in transparent unions.
2937         (type_lists_compatible_p): Likewise.
2938
2939 2005-02-18  Stan Shebs  <shebs@apple.com>
2940
2941         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2942         expressions in the .literal8 section.
2943
2944 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2945
2946         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2947
2948 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2949
2950         * fold-const.c (constant_boolean_node): Always create values of the
2951         specified type, don't bother calling truthvalue_conversion.
2952
2953 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2954
2955         * except.c (output_function_exception_table): Call
2956         assemble_external_libcall (eh_personality_libfunc).
2957
2958 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2959
2960         PR target/19886
2961         * config/ia64/ia64.h (struct machine_function): Add state_num.
2962         * config/ia64/ia64.c (process_epilogue,
2963         process_for_unwind_directive): Use new unwind state numbers each
2964         time rather than state 1.
2965
2966 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2967
2968         PR target/20054
2969         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2970         before the "*llgt_didi" pattern.
2971
2972 2005-02-18  Jason Merrill  <jason@redhat.com>
2973
2974         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2975
2976 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2977
2978         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2979         (div0): Use it in place of ARM_FUNC_ALIAS.
2980         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2981
2982 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2983
2984         PR middle-end/20030
2985         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2986         access, the lower bound of the array type if it exists.
2987
2988 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2989
2990         PR c++/20008
2991         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2992         cases that are out-of-range for the index type.
2993
2994 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2995
2996         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2997         (estimate_case_costs): Don't call convert.
2998         * expmed.c (expand_shift): Likewise.
2999         (make_tree): Call fold_convert instead of convert.
3000
3001 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3002
3003         PR c++/19813
3004         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3005         that ref to be marked MEM_READONLY_P doesn't have base that needs
3006         constructing.
3007
3008 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3009
3010         * genautomata.c (output_get_cpu_unit_code_func,
3011         output_cpu_unit_reservation_p): Don't generate old-style function
3012         definitions.
3013
3014 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3015
3016         PR c++/20023
3017         PR tree-optimization/20009
3018         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3019
3020         PR tree-optimization/18947
3021         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3022         inline, remove all nodes that are inlined into the extern inline
3023         being redefined.
3024
3025 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3026
3027         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3028         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3029         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3030         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3031         Update copyright.
3032
3033 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3034
3035         PR tree-optimization/19917
3036         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3037         to be potentially trapping.
3038
3039 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3040
3041         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3042
3043 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3044
3045         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3046         tem becomes a local variable which is set to the value of the
3047         back end defined INITIAL_FRAME_ADDRESS macro.
3048         (expand_builtin_frame_address): Omit the base parameter to
3049         expand_builtin_return_addr.
3050         (expand_builtin_profile_func): Likewise.
3051         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3052         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3053         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3054
3055 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3056
3057         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3058         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3059         * config/frv/frv.c (frv_function_epilogue): Likewise.
3060
3061 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3062
3063         * lambda-code (perfect_nestify): Remove mark/unmark
3064         for rewriting hack.
3065         * tree-loop-linear.c (linear_transform_loops): Add
3066         rewrite_into_ssa call so that ssa is correct for
3067         rewriting into loop closed.
3068
3069 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3070
3071         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3072         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3073         BITMAP_FREE.
3074         * bt-load.c (btr_def_live_range, combine_btr_defs,
3075         migrate_btr_def, migrate_btr_defs): Likewise.
3076         * cfgcleanup.c (thread_jump): Likewise.
3077         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3078         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3079         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3080         df_rd_local_compute, df_reg_info_compute): Likewise.
3081         * dominance.c (init_dom_info, free_dom_info): Likewise.
3082         * flow.c (init_propagate_block_info,
3083         free_propagate_block_info): Likewise.
3084         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3085         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3086         modify_reg_pav): Likewise.
3087         * loop-invariant.c (find_defs, find_invariant_insn,
3088         find_invariants, free_inv_motion_data): Likewise.
3089         * predict.c (tree_predict_by_opcode,
3090         estimate_bb_frequencies): Likewise.
3091         * stmt.c (expand_case): Likewise.
3092         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3093         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3094         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3095         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3096         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3097         rewrite_ssa_into_ssa): Likewise.
3098         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3099         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3100         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3101         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3102         * tree-sra.c (tree_sra): Likewise.
3103         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3104         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3105         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3106         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3107         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3108         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3109         Likewise.
3110         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3111         calculate_live_on_entry, calculate_live_on_exit,
3112         build_tree_conflict_graph): Likewise.
3113         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3114         record_important_candidates, set_use_iv_cost, find_depends,
3115         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3116         tree_ssa_iv_optimize_finalize): Likewise.
3117         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3118         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3119         tree_duplicate_loop_to_header_edge): Likewise.
3120         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3121         * tree-ssa.c (verify_flow_insensitive_alias_info,
3122         verify_name_tags, verify_ssa, init_tree_ssa,
3123         delete_tree_ssa): Likewise.
3124         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3125         fini_ssanames): Likewise.
3126         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3127
3128 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3129
3130         * config/rs6000/t-rtems: Completely reworked.
3131
3132 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3133
3134         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3135
3136 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3137
3138         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3139         POINTER_TYPE_P when checking that type is a pointer.
3140         (vect_get_memtag): Remove.
3141         (vect_address_analysis): Use POINTER_TYPE_P. Call
3142         vect_object_analysis with dummy parameter for memtag.
3143         (vect_object_analysis): Extract memtag (functionality that
3144         used to be in vect_get_memtag and moved here). Fix printings.
3145         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3146         with correct parameters. Remove call to vect_get_memtag.
3147
3148 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3149
3150         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3151         (tree-vectorizer.o): Added missing dependencies.
3152
3153         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3154         decleration.
3155         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3156         declaration in tree-vectorizer.c, now has an extern declaration in
3157         tree-vectorizer.h).
3158         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3159         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3160         get_vectype_for_scalar_type, vect_is_simple_use,
3161         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3162         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3163         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3164         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3165         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3166         find_loop_location): Likewise.
3167
3168         * tree-vectorizer.c (langhooks.h): #include removed.
3169         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3170         moved to tree-vectorized.h.
3171         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3172         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3173         get_vectype_for_scalar_type, vect_is_simple_use,
3174         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3175         vect_supportable_dr_alignment, new_loop_vec_info,
3176         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3177         vect_set_verbosity_level, find_loop_location): Likewise.
3178
3179         (vect_analyze_loop): Function externalized. Declaration moved to
3180         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3181         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3182         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3183         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3184         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3185         vect_enhance_data_refs_alignment, vect_analyze_operations,
3186         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3187         vect_stmt_relevant_p, vect_get_loop_niters,
3188         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3189         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3190         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3191         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3192         vect_get_memtag): Likewise.
3193
3194         (vectorizable_load): Function externalized. Declaration moved to
3195         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3196         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3197         vect_transform_loop): Likewise.
3198         (vect_transform_stmt): Moved to tree-vect-transform.c.
3199         (vect_align_data_ref, vect_create_destination_var,
3200         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3201         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3202         vect_get_vec_def_for_operand, vect_init_vector,
3203         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3204         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3205         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3206         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3207         vect_do_peeling_for_loop_bound): Likewise.
3208
3209         * tree-vect-analyze.c: New file.
3210         * tree-vect-transform.c: New file.
3211
3212 2005-02-17  Jason Merrill  <jason@redhat.com>
3213
3214         PR mudflap/19319, c++/19317
3215         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3216         slot explicit.
3217
3218 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3219
3220         * doc/install.texi (Specific): Update link for Darwin-specific
3221         tool binary site.
3222
3223 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3224
3225         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3226         constant_boolean_node.
3227
3228 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3229
3230         PR target/19019
3231         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3232         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3233
3234 2005-02-16  Richard Henderson  <rth@redhat.com>
3235
3236         PR 19920
3237         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3238         with W_TYPE_SIZE.
3239         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3240         replace uses with Wtype_MAXp1_F.
3241         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3242         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3243         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3244         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3245         and HAVE_TFMODE as appropriate.
3246         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3247         (__floatdisf): Likewise.
3248         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3249         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3250         (Wtype_MAXp1_F): New.
3251         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3252         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3253
3254 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3255
3256         * PR target/19162
3257         * arm.c (arm_apply_result_size): New function.
3258         * arm.h (APPLY_RESULT_SIZE): Define.
3259         * arm-protos.h (arm_apply_result_size): Add prototype.
3260         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3261         (movxf): New expand.
3262         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3263         (call_value_symbol): Remove predicate for operand 0.
3264         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3265         (untyped_call): Rework to correclty return values for any type.
3266         (untyped_return): New expand.
3267         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3268
3269 2005-02-16  Stan Shebs  <shebs@apple.com>
3270
3271         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3272         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3273
3274 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3275
3276         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3277         configure settings on Solaris 7 and later.
3278
3279 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3280
3281         PR tree-optimization/19865
3282         * tree-optimize.c (init_tree_optimization_passes): Run
3283         pass_may_alias after pass_sra.
3284
3285 2005-02-16  Richard Henderson  <rth@redhat.com>
3286             Stuart Hastings  <stuart@apple.com>
3287
3288         PR debug/19521
3289         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3290         Do nothing if debug info suppressed for this function.
3291         (dbxout_begin_function): Early exit if debug info suppressed for
3292         this function.
3293
3294 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3295
3296         PR target/20007
3297         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3298         find_basic_blocks.
3299         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3300
3301         PR tree-optimization/19967
3302         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3303         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3304         argument TYPE.  Adjust calls to fold_builtin_XXX.
3305         (expand_builtin, fold_builtin_1): Adjust calls to
3306         expand_builtin_XXX.
3307         (fold_builtin_strchr, fold_builtin_strpbrk,
3308         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3309         result to a requested type TYPE.
3310
3311 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3312
3313         PR middle-end/19857
3314         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3315         (T)x & (T)cst if (T)cst overflows.
3316         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3317         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3318
3319 2005-02-15  Jeff Law  <law@redhat.com>
3320
3321         * gcse.c (blocks_with_calls): New bitmap.
3322         (alloc_gcse_mem): Allocate it.
3323         (free_gcse_mem): Free it.
3324         (clear_modifY_mem_tables): Clear it.
3325         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3326         when we encounter CALL_INSNs.
3327         (compute_transp, case MEM): Handle blocks with calls separate
3328         from blocks without calls.  Use bitmap iterators rather than
3329         FOR_EACH_BB.
3330
3331 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3332
3333         PR bootstrap/18810
3334         * mklibgcc.in (vis_hide): Use a temporary object file, not
3335         -o /dev/null.
3336
3337 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3338
3339         PR target/19924
3340         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3341         access optimization.
3342
3343 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3344             Alan Modra  <amodra@bigpond.net.au>
3345
3346         PR target/19019
3347         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3348         (_xlqsub): Rename to __gcc_qsub.
3349         (_xlqmul): Rename to __gcc_qmul.
3350         (_xlqdiv): Rename to __gcc_qdiv.
3351         Provide versioned symbol aliases with old names.
3352         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3353         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3354         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3355         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3356         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3357
3358 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3359
3360         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3361         Fold ~(A - 1) and ~(A + -1) to -A.
3362
3363 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3364
3365         PR pch/14940
3366         PR target/19300
3367         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3368         config/pa/pa-host.c:pa_gt_pch_use_address.
3369
3370 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3371
3372         * tree-vn.c (get_value_handle): Make sure that given an
3373         is_gimple_min_invariant expression, we always return it.
3374
3375 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3376
3377         * passes.c (rest_of_handle_gcse): Fix a comment.
3378
3379 2005-02-15  Jeff Law  <law@redhat.com>
3380
3381         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3382         bitmap.
3383         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3384         (canon_list_insert, record_last_mem_set_info): Similarly.
3385         (clear_modify_mem_tables): Similarly.
3386
3387 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3388
3389         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3390         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3391         config/mips/mips.md, config/rs6000/aix.h,
3392         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3393
3394 2005-02-15  Richard Henderson  <rth@redhat.com>
3395
3396         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3397         call to be best_edge.
3398
3399 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3400
3401         * basic-block.h: Adjust the prototype for find_basic_blocks.
3402         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3403         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3404         find_basic_blocks.
3405
3406         * flow.c (recompute_reg_usage): Remove all arguments.
3407         * passes.c (rest_of_compilation): Adjust the call to
3408         recompute_reg_usage.
3409         * rtl.h: Adjust the prototype for recompute_reg_usage.
3410
3411 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3412
3413         * tree-dump.c (dump_files): Update to reflect new member
3414         of dump_file_info.
3415         (dump_register): Add new argument.
3416         Set glob name.
3417         (dump_switch_p_1): Check against glob name if doglob was passed.
3418         (dump_switch_p): Check against regular first, then glob if
3419         we didn't have any hits on the dump name.
3420         * tree-optimize.c (register_one_dump_file):
3421         Pass in glob name as well.
3422         * tree-pass.h (struct dump_file_info): Add glob
3423         member.
3424
3425 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3426
3427         PR preprocessor/16323
3428         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3429
3430 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3431
3432         PR target/19019
3433         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3434         (trunctfdf2_internal1): New.
3435         (trunctfdf2_internal2): Renamed from trunctfdf2.
3436
3437 2005-02-14  Diego Novillo&n