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2005-03-17 Robert Dewar <dewar@adacore.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2             Paolo Bonzini  <gcc.gnu.org>
3
4         * calls.c (setjmp_call_p, special_function_p): Update comments
5         at the head of the functions.
6
7 2005-03-18  Jan Hubicka  <jh@suse.cz>
8
9         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
10
11         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether 
12         function body should be released; do not proactively release function
13         bodies in non-unit-at-a-time mode.
14
15 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
16
17         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
18         mno-fp-ret-in-387 multilib variants.
19
20 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
21
22         * common.opt (m): Remove.
23         * opts.c (handle_option): Pass 'm' options to set_target_switch if
24         table lookup fails.
25         (common_handle_option): Remove OPT_m case.
26
27 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
28
29         * builtins.c (fold_builtin_bitop): Take decomposed arguments
30         of CALL_EXPR.
31         (fold_builtin_1): Update a call to fold_builtin_bitop.
32
33         * builtins.c (fold_builtin_signbit): Take decomposed arguments
34         of CALL_EXPR.
35         (fold_builtin_1): Update a call to fold_builtin_signbit.
36
37 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
38
39         PR tree-optimization/20474
40         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the 
41         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
42
43 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
44
45         * config/h8300/h8300-protos.h: Remove prototypes for
46         general_operand_src, general_operand_dst, single_one_operand,
47         single_zero_operand, call_insn_operand,
48         two_insn_adds_subs_operand, small_call_insn_operand,
49         jump_address_operand, bit_operand, bit_memory_operand,
50         stack_pointer_operand, const_int_gt_2_operand,
51         const_int_ge_8_operand, const_int_qi_operand,
52         const_int_hi_operand, incdec_operand, bit_operator,
53         nshift_operator, eqne_operator, gtle_operator,
54         gtuleu_operator, iorxor_operator.
55         Add prototypes for h8sx_shift_type h8sx_classify_shift and
56         h8300_ldm_stm_parallel.
57         * config/h8300/h8300.c (h8sx_shift_type,): Move to
58         h8300-protos.h.
59         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
60         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
61         (h8300_ldm_stm_parallel): Make it extern.
62         (h8300_ldm_parallel, h8300_stm_parallel,
63         h8300_return_parallel, general_operand_src,
64         general_operand_dst, h8300_dst_operand, h8300_src_operand,
65         nibble_operand, reg_or_nibble_operand, single_one_operand,
66         single_zero_operand, call_insn_operand,
67         two_insn_adds_subs_operand, small_call_insn_operand,
68         jump_address_operand, bit_operand, bit_memory_operand,
69         stack_pointer_operand, const_int_gt_2_operand,
70         const_int_ge_8_operand, const_int_qi_operand,
71         const_int_hi_operand, incdec_operand, eqne_operator,
72         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
73         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
74         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
75         nshift_operator): Move to predicates.md.
76         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
77         * config/h8300/h8300.md: Include predicates.md.
78         * config/h8300/predicates.md: New.
79
80 2005-03-17  Richard Henderson  <rth@redhat.com>
81
82         * config.gcc (ia64*-*-hpux*): Add extra_options.
83         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
84         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
85         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
86         (ia64_tls_size_string, ia64_tune_string): Remove.
87         (ia64_tune): Init to PROCESSOR_ITANIUM2.
88         (TARGET_DEFAULT_TARGET_FLAGS): New.
89         (TARGET_HANDLE_OPTION): New.
90         (ia64_override_options): Move options parsing ...
91         (ia64_handle_option): ... here.  New.
92         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
93         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, 
94         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
95         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
96         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
97         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, 
98         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, 
99         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
100         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
101         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
102         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
103         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
104         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
105         TARGET_EARLY_STOP_BITS): Remove.
106         (TARGET_ILP32): Default false.
107         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
108         (enum ia64_inline_type): New.
109         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
110         * config/ia64/ia64.md: Update for new definitions of
111         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
112         * config/ia64/ia64.opt: New file.
113         * config/ia64/ilp32.opt: New file.
114
115 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
116
117         PR target/18380
118         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
119
120 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
121
122         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
123         instead of MASK_H8300S.
124         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
125         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
126         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
127         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
128         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
129         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
130         TARGET_SWITCHES): Remove.
131         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
132         TARGET_H8300SX.
133         * config/h8300/h8300.opt: New.
134
135         * config/alpha/alpha.opt, config/arc/arc.opt,
136         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
137         notices.
138
139 2005-03-17  Ian Lance Taylor  <ian@airs.com>
140
141         * gmon.c: Remove.
142
143 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
144
145         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
146         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
147         (TARGET_HANDLE_OPTION): Override default.
148         (arc_handle_option): New function.
149         (arc_init): Remove code to set arch_cpu_string.
150         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
151         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
152         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
153         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
154         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
155         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
156         (arc_rodata_string, TARGET_OPTIONS): Delete.
157         * config/arc/arc.opt: New file.
158
159 2005-03-17  Richard Henderson  <rth@redhat.com>
160
161         * doc/extend.texi (Weak Pragmas): New section.
162         (attribute alias): Clarify that target must be in the same
163         translation unit.
164
165 2005-03-17  Richard Henderson  <rth@redhat.com>
166
167         * config/alpha/alpha.opt: New file.
168         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
169         of alpha_cpu.
170         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
171         alpha_fprm_string, alpha_fptm_string): Make static.
172         (alpha_tls_size_string): Remove.
173         (alpha_handle_option): New.
174         (override_options): Update for alpha_cpu/alpha_tune split.
175         (alpha_file_start): Likewise.
176         (TARGET_DEFAULT_TARGET_FLAGS): New.
177         (TARGET_HANDLE_OPTION): New.
178         * config/alpha/alpha.h (alpha_tune): Declare.
179         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
180         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
181         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
182         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
183         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
184         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
185         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
186         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
187         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
188         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
189         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
190         (TARGET_DEFAULT): Remove MASK_FP.
191         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
192         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
193         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
194         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
195         alpha_tls_size_string): Remove.
196         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
197         (attribute tune): Rename from attribute cpu.
198         * config/alpha/ev4.md: Update to match.
199         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
200         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
201         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
202         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
203         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
204         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
205
206 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
207
208         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
209         and return without creating new state if before_nops_num is nonzero.
210         * config/ia64/ia64.md (first_insn): New attribute.
211         (alloc): Set it to yes.
212
213 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
214
215         * tree-vectorizer.c (new_vec_stmt_info): Initialize
216         STMT_VINFO_SUBVARS to NULL.
217         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
218         
219 2005-03-16 Dale Johannesen  <dalej@apple.com>
220
221         * rtlanal.c (find_first_parameter_load):  Rewrite to
222         return actual first param load or the call if none,
223         instead of first in block, when not all loads exist.
224
225 2005-03-16  Roger Sayle  <roger@eyesopen.com>
226
227         * optabs.c (expand_copysign_absneg): Make static.
228         * optabs.h (expand_copysign_absneg): Delete prototype.
229         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
230
231 2005-03-16  Richard Henderson  <rth@redhat.com>
232
233         PR middle-end/15700
234         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
235         (alias_pairs): Rename from output_defs.
236         (find_decl_and_mark_needed): Split out from assemble_alias.
237         (do_assemble_alias): New.
238         (assemble_output_def): Remove.
239         (finish_aliases_1, finish_aliases_2): New.
240         (process_pending_assemble_output_defs): Remove.
241         (assemble_alias): Defer aliases for which we don't yet have a
242         non-external decl for the target symbol.
243         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
244         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
245         * toplev.c (compile_file): Use finish_aliases_2 instead of
246         process_pending_assemble_output_defs.
247         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
248         (process_pending_assemble_output_defs): Remove.
249
250 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
251         
252         Fix PR tree-optimization/20489
253
254         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
255         for empty structures.
256
257 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
258
259         Fix PR tree-optimization/20490
260         
261         * tree-ssa-pre.c (create_expression_by_pieces): Use
262         force_gimple_operand on result of fold.
263
264 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
265
266         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
267         of closing parenthesis.
268
269 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
270
271         * builtins.c (expand_movstr): Update a call to
272         fold_builtin_strcpy.
273         (expand_builtin_strncpy): Update a call to
274         fold_builtin_strncpy.
275         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
276         arguments of CALL_EXPR.
277         (fold_builtin_1): Update calls to fold_builtin_strcpy and
278         fold_builtin_strncpy.
279         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
280         * tree.h: Update the prototypes of fold_builtin_strcpy and
281         fold_builtin_strncpy.
282
283 2005-03-16  Steven Bosscher  <stevenb@suse.de>
284             Dorit Naishlos  <dorit@il.ibm.com>
285
286         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
287         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
288         error.
289
290 2005-03-16  Steven Bosscher  <stevenb@suse.de>
291
292         * tree-inline.c (walk_type_fields, walk_tree,
293         walk_tree_without_duplicates): Move from here...
294         * tree.c: ...to here.
295
296 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
297
298         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
299         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
300         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
301         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
302         (version): Define using $(BASEVER_c).
303         (Makefile, config.status, build/gcov-iov.o): No longer depends on
304         version.c.
305         (version.o): Depend on version files; add custom generation command.
306         (prefix.o): Define BASEVER on command line.
307         (s-iov): Depend on version files; adjust command.
308         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
309         Add gcc-vers.texi.
310         (gcc-vers.texi): New rule.
311         (doc/%.info, doc/%.dvi): Add -I . to command line.
312         (doc/gccinstall.dvi): Likewise.
313         (PACKAGE): Delete.  All uses replaced with "gcc".
314         * aclocal.m4: Do not include gcc-version.m4.
315         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
316         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
317         Set is_release based on contents of DEV-PHASE.
318         Set gcc_version based on contents of BASE-VER.
319         Define WIN32_REGISTRY_KEY only if the user overrode the default.
320         * config.in, configure: Regenerate.
321         * gccbug.in: Determine version of GCC in use at runtime.
322         * gcov-iov.c: Get version number and development phase from
323         command line, not by including version.c.
324         * intl.c: Replace all uses of PACKAGE with "gcc".
325         * libada-mk.in: Delete unused "gcc_version" variable.
326         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
327         * version.c: (VERSUFFIX): New hook for redistributors; adjust
328         commentary to match.
329         (version_string): Put together from pieces.
330         * config/alpha/x-vms: Do not use $(gcc_version).
331         * config/i386/t-nwld: Likewise.
332         * doc/include/gcc-common.texi: Include gcc-vers.texi for
333         version-GCC and DEVELOPMENT.
334
335 2005-03-15  Roger Sayle  <roger@eyesopen.com>
336
337         PR tree-optimization/17454
338         * tree.c (tree_size): Add case for TREE_BINFO.
339         * fold-const.c (fold_checksum_tree): Only clear the overloaded
340         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
341
342 2005-03-15  Roger Sayle  <roger@eyesopen.com>
343
344         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
345         op1 whilst expanding the signed widenening multiply variant.
346
347 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
348
349         * toplev.c (display_target_options): Avoid unused variable warning if
350         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
351         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
352         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
353         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
354         (mips_isa_info): New variable.
355         (mips_parse_cpu): Remove the first argument and leave the caller
356         to report errors.
357         (TARGET_HANDLE_OPTION): Override default.
358         (mips_handle_option): New function.  Move option validation code from...
359         (override_options): ...here.  Update calls to mips_parse_cpu.
360         * config/mips/mips.h (mips_arch_string, mips_tune_string)
361         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
362         (SUBTARGET_TARGET_OPTIONS): Delete.
363         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
364         (mno-flush-func, mtune=): New options.
365
366 2005-03-15  Roger Sayle  <roger@eyesopen.com>
367             Richard Henderson  <rth@redhat.com>
368
369         * real.c (c4x_single_format, c4x_extended_format): Provide values
370         for signbit_ro for c4x's single and extended floating point formats.
371         * optabs.c (expand_copysign): Use the floating point format's
372         signbit_ro for expanding via expand_copysign_absneg, and it's
373         signbit_rw field for expanding via expand_copysign_bit.
374
375 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
376
377         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
378         known_alignment_for_access_p.
379         (known_alignment_for_access_p): New.
380         (do_peeling_for_alignment): Field made int instead of bool and renamed
381         to peeling_for_alignment.
382         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
383         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
384         functionality used to be in vect_analyze_operations.
385         (vect_analyze_operations): Code to determine vectorization factor was
386         moved to vect_determine_vectorization_factor.
387         (vect_enhance_data_refs_alignment): Update to correct alignment when it
388         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
389         factor.
390         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
391         be part of vect_analyze_operations).
392         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
393         creating the guard condition, as the number of iterations may be
394         constant.
395         (slpeel_tree_peel_loop_to_edge): Use new name of
396         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
397         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
398         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
399         (vect_do_peeling_for_alignment): Use fold.
400         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
401
402         (vect_update_inits_of_dr): Renamed to
403         vect_update_init_of_dr.
404         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
405         (vectorizable_store): Fix assertion to use == instead of =.
406
407 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
408
409         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
410         call_used_regs for wCG registers.
411
412 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
413
414         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
415         for non-offsettable memory references to cope with outstanding reload
416         replacements, take 2.
417
418 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
419
420         PR target/18668
421         * config/i386/i386.h (x86_fisttp): New.
422         (TARGET_FISTTP): New macro.
423         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
424         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
425         instruction when fisttp flag is set.
426         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
427
428         * config/i386/i386.md (type attribute): Add fisttp.
429         (unit attribute): Set to i387 for fisttp type.
430         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
431         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
432         TARGET_FISTTP.
433         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
434         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
435         macros.
436         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
437         patterns for TARGET_FISTTP.  Enable patterns for
438         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
439         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
440         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
441         implement fisttp x87 insn.
442         (fix_trunc*_i387_fisttp splitters): New patterns.
443         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
444         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
445         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
446         clobber.
447         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
448         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
449         Implement using mode macros. Disable patterns for TARGET_FISTTP.
450         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
451         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
452         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
453         Disable patterns for TARGET_FISTTP.
454         (fix_trunc*_i387 splitters): Implement usign mode macros.
455         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
456         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
457         (fix_trunx*_sse peephole2s): Implement using mode macros.
458
459 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
460
461         PR rtl-optimization/20291
462         * combine.c (try_combine): If splitting fails, re-try with
463         original combined pattern, i.e. before clobber stripping.
464
465 2005-03-14  Eric Christopher  <echristo@redhat.com>
466
467         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
468         STACK_GROWS_DOWNWARD.
469
470 2005-03-14  Roger Sayle  <roger@eyesopen.com>
471
472         * real.h (struct real_format): Split the signbit field into two
473         two fields, signbit_ro and signbit_rw.
474         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
475         mips_double_format, ieee_extended_motorola_format,
476         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
477         ieee_extended_intel_128_format, ibm_extended_format,
478         mips_extended_format, ieee_quad_format, mips_quad_format,
479         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
480         i370_double_format, c4x_single_format, c4x_extended_format,
481         real_internal_format): Update initializers for new field.
482         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
483         real_format structure.
484         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
485         field of the real_format structure.
486
487 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
488
489         Fix PR tree-optimization/20458
490
491         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
492         DECL_EXTERNAL on STRUCT_FIELD tags.
493         (clear_call_clobbered): Ditto.
494         * tree-ssa-operands.c (note_addressable): Make sure the original
495         variable doesn't slip into the addressable list if we have
496         subvars.
497         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
498         tags too.
499
500 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
501
502         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
503         (-fwide-exec-charset): Likewise.
504         (-finput-charset): Likewise.
505         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
506         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
507         * c.opt (Wnormalized): New.
508
509 2005-03-14  Devang Patel  <dpatel@apple.com>
510
511         * doc/invoke.texi: Add reference to Visibility document.
512
513 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
514
515         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
516         MASK_SPLIT_ADDRESSES.
517         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
518         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
519         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
520         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
521         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
522         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
523         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
524         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
525         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
526         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
527         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
528         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
529         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
530         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
531         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
532         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
533         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
534         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
535         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
536         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
537         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
538         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
539         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
540         (TARGET_EXPLICIT_RELOCS): Delete.
541         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
542         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
543         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
544         (override_options): Set MASK_LONG64 if -mint64 is given and no
545         -mlongXX option is.  Complain about -mint64 -mlong32.
546         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
547         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
548         * config/mips/mips.opt: New file.
549
550 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
551
552         * config.gcc (extra_options): New variable for listing option files.
553         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
554         * configure.ac (extra_opt_files): New AC_SUBST variable.
555         (tm_file_list, tm_include_list): Include options.h first.
556         * configure: Regenerate.
557         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
558         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
559         (s-options-h): New rule.
560         (options.h): Depend on it.
561         (TEXI_GCCINT_FILES): Add options.texi.
562         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
563         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
564         * target.h (gcc_target): Add default_target_flags and handle_option.
565         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
566         (TARGET_HANDLE_OPTION): New macros.
567         (TARGET_INITIALIZER): Include them.
568         * opt-functions.awk (opt_args, nth_arg): New functions.
569         (switch_flags): Handle the "Target" flag.
570         (var_args): Delete.
571         (var_name): Use opt_args and nth_arg.
572         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
573         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
574         macros for the "Mask" and "InverseMask" options.
575         * opts.h (cl_var_cond): New enum.
576         (cl_option): Replace the "has_set_value" and "set_value" fields with
577         "var_cond" and "var_value".
578         (CL_TARGET): New macro.
579         (option_enabled, print_filtered_help): Declare.
580         (decode_options): Move definition.
581         * opts.c (handle_option): Search for the original option before
582         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
583         var_cond and var_value fields.  Use targetm.handle_option to handle
584         target options.
585         (decode_options): Set target_flags to targetm.default_target_flags.
586         (print_filtered_help): Make global.  Handle CL_TARGET.
587         (option_enabled): New function.
588         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
589         (display_target_options, set_target_switch, print_switch_values)
590         (default_pch_valid_p): Guard uses of target_switches with
591         #ifdef TARGET_SWITCHES.  Also...
592         (display_target_options): Display the CL_TARGET entries in cl_options.
593         (set_target_option): Don't complain about the "" option when
594         TARGET_SWITCHES is undefined.
595         (print_switch_values): Use option_enabled.
596         (default_pch_valid_p): Check cl_options[] when looking for something
597         that has changed the value of target_flags.
598         * c.opt: Remove documentation from top of file.
599         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
600         * doc/sourecebuild.texi: Refer to the new options documentation
601         instead of c.opt.  Document machine-specific .opt files.
602         * doc/tm.texi (target_flags): Say that this variable is declared
603         by options.h.
604         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
605         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
606         an alternative.
607         * doc/options.texi: New file.
608
609 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
610
611         PR middle-end/18628
612         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
613         register.
614
615 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
616
617         PR c++/20280
618         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
619         temporary variable of pointer type if an lvalues is required.
620         (gimplify_modify_expr_rhs): Request an rvalue from it.
621         (gimplify_expr): Pass fallback on.
622
623 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
624
625         * cfgbuild.c: Update comments.
626
627 2005-03-14  Roger Sayle  <roger@eyesopen.com>
628
629         PR rtl-optimization/17236
630         * optabs.c (expand_doubleword_mult): New helper function split out
631         from expand_binop.  Permute the order in which instructions are
632         emitted to minimize the number of simultaneously live registers.
633         (expand_binop): Call expand_doubleword_mult to synthesize a double
634         word multiplication.
635
636 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
637
638         * basic-block.h: Update the prototypes of cached_make_edge and
639         rtl_make_eh_edge.
640         * cfg.c (cached_make_edge): Take edge_cache representing one
641         row of the adjacency matrix of edges.
642         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
643         (make_edges): Initialize edge_cache to represent one row of
644         the adjacency matrix of edges.
645
646 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
647
648         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
649         New functions.
650         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
651         Remove unused removed_phis variable.
652         (conditional_replacement): Use build1/build2.
653         (abs_replacement): Use last_and_only_stmt and build1/build2.
654
655 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
656
657         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
658         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
659         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
660         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
661         * c-common.c (handle_novops_attribute): New function.
662         (c_common_attribute_table): Add "no vops" entry.
663         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
664         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
665         * tree-ssa-operands.c (get_call_expr_operands): Do not
666         create virtual operands for calls with ECF_NOVOPS flag.
667         * tree.h (DECL_IS_NOVOPS): New macro.
668         (struct tree_decl): Add novops_flag.
669         (ECF_NOVOPS): New constant.
670
671 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
672
673         PR target/17688
674         * config/i386/i386.c (x86_use_himode_fiop): New.
675         (x86_use_simode_fiop): Rename from x86_use_fiop.
676         * config/i386/i386.h (x86_use_himode_fiop): Declare.
677         (TARGET_USE_HIMODE_FIOP): New.
678         (x86_use_simode_fiop): Rename from x86_use_fiop.
679         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
680
681         * config/i386/i386.md (X87MODEI12): New mode macro define.
682         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
683         to implement x87 FP compare with HImode input operands.
684         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
685         Use X87MODEI12 mode macro to handle HImode input operands.
686         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
687         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
688         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
689         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
690         macro to implement x87 operators with HImode input operands.
691         (fop splitters): Use X87MODEI12 mode macro to handle HImode
692         input operands.
693
694 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
695
696         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
697         integer_zerop.
698         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
699         constants invariant.
700
701 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
702
703         * basic-block.h (BB_VISITED): Removed.
704         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
705
706 2005-03-14  Falk Hueffner  <falk@debian.org>
707
708         PR bootstrap/20424
709         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
710
711 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
712
713         * ggc-zone.c: Fix comment typos.
714
715         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
716         stringpool.c, config/mips/mips-protos.h: Update copyright.
717
718 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
719
720         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
721         throughout with its typedef, "rtx".
722         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
723         (rs6000_tls_symbol_ref_1): Remove inline keyword.
724         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
725         regs in comment to match code.
726
727 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
728
729         * except.c (check_handled): Make it static.
730         * except.h: Remove the corresponding prototype.
731
732         * function.c (get_func_frame_size): Make it static.
733         * function.h: Remove the corresponding type.
734
735         * regclass.c (reg_class_superclasses, reg_class_subclasses):
736         Make them static.
737         * hard-reg-set.h: Remove the corresponding declarations.
738
739         * tree-cfg.c (verify_stmts): Check that
740         bb_for_stmt (stmt) == bb for every PHI node and statement.
741
742 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
743
744         * config.gcc: Remove excess indentation.
745         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
746
747 2005-03-13  Roger Sayle  <roger@eyesopen.com>
748
749         PR middle-end/19331
750         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
751         * fold-const.c (fold_sign_changed_comparison): Likewise.
752         (fold_binary): Optimize comparisons against widened operands if
753         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
754
755 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
756
757         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
758         (sparc_override_options): Initialize it.
759         (sparc_struct_value_rtx): Set it on the MEM to be returned.
760
761 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
762
763         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
764         (reg_or_none500mem_operand): New predicate.
765         (zero_reg_mem_operand): New predicate.
766         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
767         to reg_or_none500mem_operand.
768         (extendsfdf2_fpr): Add MEM alternative.
769         (extenddftf2_internal): Change operand2 predicate to
770         zero_reg_mem_operand.
771
772 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
773
774         * ggc-zone.c: Rewritten.
775
776         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
777         if there are none.
778         * configure.ac: Define GGC_ZONE for --with-gc=zone.
779         * config.in: Regenerated.
780         * configure: Regenerated.
781         * gengtype.c (write_types_process_field, write_func_for_structure):
782         Pass new argument to gt_pch_note_object.
783         * ggc-common.c (struct ptr_data): Add TYPE.
784         (gt_pch_note_object): Take TYPE argument and save it.
785         (call_count): Update call to ggc_pch_count_object.
786         (call_alloc): Update call to ggc_pch_alloc_object.
787         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
788         file.
789         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
790         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
791         (ggc_alloc_zone_stat): Delete.
792         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
793         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
794         (ggc_pch_alloc_object): Update prototypes.
795         (garbage_zone): Delete.
796         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
797         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
798         pointers.
799         (tree_id_zone): New variable.
800         (ggc_alloc_cleared_zone): Remove unused.
801         (ggc_alloc_zone): Define.
802         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
803         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
804         ggc_alloc_zone_stat.
805         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
806         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
807         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
808         (make_node_stat): Likewise.  Use tree_id_zone.
809
810 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
811             Joseph S. Myers  <joseph@codesourcery.com>
812
813         * configure.ac: Check for MIPS TLS.
814         * configure: Regenerated.
815         * config/mips/mips-protos.h (enum mips_symbol_type): Add
816         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
817         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
818         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
819         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
820         (mips_classify_symbol, mips_symbolic_constant_p)
821         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
822         (mips_tls_operand_p, mips_call_tls_get_addr)
823         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
824         (mips_tls_symbol_ref_1): New functions.
825         (mips_legitimize_address, mips_legitimize_const_move): Call
826         mips_legitimize_tls_address.
827         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
828         for MIPS16.
829         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
830         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
831         (mips_char_to_class): Document V1_REG.
832         (HAVE_AS_TLS): Provide default.
833         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
834         constants.
835         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
836         !TARGET_ABICALLS.
837         (tls_get_tp_<mode>): New instruction.
838
839 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
840
841         * configure.ac: Update checks for target tools.
842         * configure: Regenerated.
843
844 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
845
846         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
847
848 2005-03-13  Roger Sayle  <roger@eyesopen.com>
849
850         * expmed.c (expand_mult): Use synthetic multiplication sequences for
851         more classes of DImode multiplication by constant.  Allow both
852         multiplication by small negative constants (by performing a
853         multiplication by a positive constant and negating the result) and
854         multiplications by large powers of two, by using a left shift.
855
856 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
857
858         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
859         of basic blocks into work_stack.
860
861         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
862         config/mips/vr.h: Update copyright.
863
864         * c-decl.c (c_init_decl_processing): Remove useless calls to
865         build_function_type.
866
867         * builtins.c (fold_trunc_transparent_mathfn,
868         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
869         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
870         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
871         fold_builtin_strcpy, fold_builtin_strncpy,
872         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
873         TREE_TYPE (exp).
874
875         * builtins.c (expand_builtin_mathfn_3): Remove local variable
876         before_call.
877
878         * lambda-code.c (lambda_compute_auxillary_space): Remove local
879         variable determinant.
880
881         * tree-cfg.c (group_case_labels): Remove local variable type.
882
883         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
884         variable ann.
885
886         * tree-ssa-phiopt.c (value_replacement): Remove local variable
887         result.
888
889 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
890
891         PR target/18251
892         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
893         (*movmemqi_insn): Delete.
894         (*movmemhi): Delete.
895
896 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
897
898         * builtins.c (fold_builtin_classify): Take decomposed
899         arguments of CALL_EXPR.
900         (fold_builtin_1): Update a call to fold_builtin_classify.
901
902 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
903
904         PR c/20402
905         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
906         through into call to parser_xref_tag after parse error.
907         (c_parser_struct_declaration): Consistently return NULL_TREE on
908         error.
909
910 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
911
912         * tree-flow-inline.h (ref_contains_array_ref): New function.
913         (lookup_subvars_for_var): Ditto.
914         (get_subvars_for_var): Ditto.
915         (var_can_have_subvars): Ditto.
916
917         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
918         (struct subvar): New type.
919
920         * tree-dfa.c (okay_component_ref_for_subvars): New function.
921
922         * tree-optimize.c (init_tree_optimization_passes): Call
923         pass_create_structure_vars.
924
925         * tree-ssa-alias.c: Include vec.h.
926         (init_alias_info): Don't auto-clear call clobbered on struct-field
927         tags.
928         (compute_flow_insensitive_aliasing): Handle subvars.
929         (group_aliases): Handle STRUCT_FIELD aliases.
930         (setup_pointers_and_addressables): Ditto.
931         Don't mark variables non-addressable if they still have
932         addressable subvars.
933         Also mark subvars addressable when the real variable is marked
934         addressable.
935         (add_pointed_to_var): Try to prune the pointed-to set by only
936         pointing to subvars when possible.
937         Otherwise, make sure we set addresses_needed and pt_vars to
938         properly include subvars.
939         (bitpos_of_field): New function.
940         (push_fields_onto_fieldstack): Ditto.
941         (get_or_create_used_part_for): Ditto.
942         (create_overlap_variables_for): Ditto.
943         (find_used_portions): Ditto.
944         (create_structure_vars): Ditto.
945         (pass_create_structure_vars): New structure.
946
947         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
948         (get_expr_operands): Handle subvars.  Also try to turn
949         COMPONENT_REF accesses into must-defs now that we can accurately
950         portray it.
951         (note_addressable): Try to only mark as addressable those subvars
952         we know a COMPONENT_REF touches.
953         (overlap_subvar): New function.
954
955         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
956         Handle subvar storing.
957         (vect_address_analysis): Update caller of vect_object_analysis.
958
959         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
960
961         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
962         (STMT_VINFO_SUBVARS): New macro.
963
964         * common.opts: add flag_tree_salias.
965
966         * opts.c (decode_options): flag_tree_salias defaults to on.
967
968         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
969
970         * doc/tree-ssa.texi: Document structural alias analysis.
971
972 2005-03-12  Steven Bosscher  <stevenb@suse.de>
973
974         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
975         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
976         * tree-ssa-operands.c (get_expr_operands): Likewise.
977         (get_expr_operands): Likewise for ERROR_MARK.
978
979 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
980
981         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
982         var.
983
984         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
985         removed_phis.
986
987         * tree-ssa-pre.c (compute_avail): Remove local variable val.
988         (mark_operand_necessary): Remove local variable ver.
989
990         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
991         variable prefix_len.
992
993         * value-prof.c (mod_subtract_transform): Remove local variable
994         value.
995
996         * builtins.c (fold_builtin_exponent): Take decomposed
997         arguments of CALL_EXPR.
998         (fold_builtin_1): Update a call to fold_builtin_exponent.
999
1000         * builtins.c (fold_builtin_logarithm): Take decomposed
1001         arguments of CALL_EXPR.
1002         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1003
1004         * c-decl.c (c_init_decl_processing): Remove local variables
1005         ptr_ftype_void and ptr_ftype_ptr.
1006
1007         * gimplify.c (gimplify_expr): Remove local variables r0 and
1008         r1.
1009
1010         * reg-stack.c (move_for_stack_reg): Remove local variable
1011         push_insn.
1012         (compare_for_stack_reg): Remove local variable flags_user.
1013         (convert_regs_1): Remove local variable deleted.
1014
1015         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1016         variable new_cond.
1017         (combine_blocks): Remove local variables exits and new_e.
1018
1019         * tree-inline.c (expand_call_inline): Remove local variable
1020         decl.
1021
1022         * tree-ssa-live.c (create_ssa_var_map,
1023         calculate_live_on_entry): Remove local variable snn.
1024
1025 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1026
1027         * c-lex.c (c_lex_with_flags): Add parameter to call to
1028         cpp_spell_token.
1029
1030 2005-03-11  Per Bothner  <per@bothner.com>
1031
1032         * c-tree.h (struct c_declarator): New id_loc field.
1033         * c-pragma.h (c_lex_with_flags): Take position reference.
1034         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1035         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1036         (c_lex): Pass dummy location to c_lex_with_flags.
1037         * c-parser.c (c_lex_one_token): Set c_token's location using
1038         c_lex_with_flags, instead of input_location, which might be "ahead".
1039         (c_parser_direct_declarator): Set declarator's id_loc from
1040         c_token's id_loc.
1041         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1042         declarator's id_loc, rather than probably-imprecise input_location.
1043         (build_id_declarator): Initialize c_declarator's id_loc field.
1044
1045 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1046
1047         PR middle-end/20419
1048         * builtins.c (expand_builtin_signbit): Force the signbit's word
1049         into an integer register to avoid SUBREGs of floating point modes.
1050
1051 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1052
1053         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1054         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1055         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1056         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1057
1058 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1059
1060         PR rtl-optimization/20306
1061         * expr.c (emit_move_complex): Set try_int false if mode is
1062         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1063         emit_block_move if try_int is true.
1064
1065 2005-03-11  Richard Henderson  <rth@redhat.com>
1066
1067         PR target/20415
1068         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1069         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1070         to match.
1071
1072 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1073
1074         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1075         (TARGET_FIX_VR4130): New macro.
1076         (TARGET_OPTIONS): Add -mfix-vr4130.
1077         (ISA_HAS_MACCHI): New macro.
1078         (ASM_SPEC): Add -mfix-vr4130.
1079         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1080         (override_options): Handle mips_fix_vr4130_string.
1081         (mips_avoid_hazards): Clear all_noreorder_p
1082         if we're working around VR4130 errata and the macc alternatives
1083         are not available.
1084         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1085         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1086         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1087         (MULTILIB_DEFAULTS): Remove leading "march=".
1088         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1089         if no architecture option is given.
1090         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1091         VR4130 multilibs.
1092         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1093         * doc/invoke.texi: Document -mfix-vr4130.
1094
1095 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1096
1097         * config/mips/mips.c (override_options): Only warn about -mint64
1098         deprecation if TARGET_INT64.
1099
1100 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1101
1102         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1103         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1104         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1105         are non-specific regarding the nonnull parameter positions.
1106         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1107         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1108         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1109         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1110
1111         * builtins.def: Use the non-specific "nonnull" attibute lists.
1112
1113 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1114
1115         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1116         single_pred_edge, single_succ, single_pred): Improve comments.
1117
1118 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1119
1120         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1121         single_pred_edge, single_succ, single_pred): New inline functions.
1122         * bb-reorder.c (rotate_loop, find_traces_1_round,
1123         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1124         duplicate_computed_gotos): Use the single_succ/pred functions.
1125         * cfganal.c (forwarder_block_p): Ditto.
1126         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1127         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1128         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1129         merge_seq_blocks): Ditto.
1130         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1131         * cfglayout.c (fixup_reorder_chain): Ditto.
1132         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1133         canonicalize_loop_headers, verify_loop_structure): Ditto.
1134         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1135         mfb_update_loops, create_preheader, force_single_succ_latches,
1136         create_loop_notes): Ditto.
1137         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1138         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1139         commit_one_edge_insertion, purge_dead_edges,
1140         cfg_layout_can_merge_blocks_p): Ditto.
1141         * except.c (sjlj_emit_function_enter): Ditto.
1142         * flow.c (init_propagate_block_info): Ditto.
1143         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1144         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1145         insert_insn_end_bb): Ditto.
1146         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1147         find_if_case_2): Ditto.
1148         * lambda-code.c (perfect_nestify): Ditto.
1149         * lcm.c (optimize_mode_switching): Ditto.
1150         * loop-doloop.c (doloop_modify): Ditto.
1151         * loop-init.c (loop_optimizer_init): Ditto.
1152         * loop-iv.c (simplify_using_initial_values): Ditto.
1153         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1154         * loop-unswitch.c (unswitch_loop): Ditto.
1155         * modulo-sched.c (generate_prolog_epilog): Ditto.
1156         * predict.c (combine_predictions_for_insn, estimate_probability,
1157         tree_estimate_probability, last_basic_block_p,
1158         estimate_bb_frequencies): Ditto.
1159         * profile.c (branch_prob): Ditto.
1160         * regrename.c (copyprop_hardreg_forward): Ditto.
1161         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1162         * tracer.c (layout_superblocks): Ditto.
1163         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1164         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1165         cleanup_control_expr_graph, disband_implicit_edges,
1166         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1167         tree_verify_flow_info, tree_make_forwarder_block,
1168         tree_forwarder_block_p, remove_forwarder_block,
1169         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1170         * tree-if-conv.c (tree_if_conversion): Ditto.
1171         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1172         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1173         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1174         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1175         copy_loop_headers): Ditto.
1176         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1177         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1178         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1179         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1180         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1181         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1182         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1183         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1184         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1185         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1186         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1187         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1188         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1189         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1190         slpeel_add_loop_guard): Ditto.
1191
1192 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1193
1194         PR tree-optimization/15784
1195         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1196         and -1 - A to ~A.
1197
1198         * stmt.c (expand_case): Don't change index_type.  Convert minval
1199         to the proper type.
1200
1201         PR tree-optimization/20130
1202         * fold-const.c (fold): Fold x * -1 into -x.
1203
1204 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1205
1206         PR rtl-optimization/20331
1207         * rtlanal.c (modified_between_p): Check its address first for MEM.
1208         (modified_in_p): Likewise.
1209
1210 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1211
1212         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1213
1214 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1215
1216         * expr.c (expand_expr_real_1): If possible, use a conditional
1217         move for expanding MIN_EXPR and MAX_EXPR.
1218         Use temp for moving around rtx-en.
1219
1220 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1221
1222         PR rtl-opt/20412
1223         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1224         correct mode.
1225
1226 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1227
1228         * builtins.c (expand_builtin_signbit): Extend to handle floating
1229         point modes wider than the largest integer type, using the
1230         operand_subword_force function to obtain the signbit's word.
1231
1232 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1233
1234         PR target/20322
1235         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1236         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1237
1238 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1239
1240         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1241
1242 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1243
1244         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1245         type void.
1246         (perform_edge_inserts): Unconditionally call
1247         free_dominator_info.
1248
1249         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1250
1251 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1252
1253         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1254
1255 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1256
1257         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1258
1259         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1260         gcc_unreachable.
1261         (rtl_register_value_prof_hooks,
1262         tree_value_profile_transformations,
1263         tree_register_value_prof_hooks): Likewise.
1264         * var-tracking.c (stack_adjust_offset_pre_post,
1265         variable_htab_free, variable_union, dataflow_set_different_2,
1266         count_uses, variable_was_changed, set_frame_base_location,
1267         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1268         vt_add_function_parameters): Likewise.
1269         * varasm.c (named_section_real, named_section, make_decl_rtl,
1270         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1271         const_hash_1, compare_constant, copy_constant, force_const_mem,
1272         output_constant_pool_2, output_constant_pool_1, output_constant,
1273         output_constructor, make_decl_one_only, decl_tls_model,
1274         default_no_named_section, default_elf_select_section_1,
1275         default_unique_section_1): Likewise.
1276         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1277         * vmsdbgout.c (addr_const_to_string): Likewise.
1278
1279         PR c++/20375
1280         * function.c (struct assign_parm_data_one): Remove last_named
1281         field.
1282         (assign_parm_find_data_types): Don't determine last_named.
1283         Reorder named_parm determination.
1284         (assign_parms): Only setup varargs on the last non-varadic
1285         parameter.
1286
1287 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1288
1289         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1290         sda base address on medium model.
1291
1292 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1293
1294         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1295         * cfgloop.c (flow_loop_nodes_find): Export.
1296         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1297         Declare.
1298         * cfgloopmanip.c (fix_loop_structure): New function.
1299         * predict.c (predict_loops): Clean up the loops information.
1300         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1301         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1302         loop structure.
1303         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1304         (rewrite_into_loop_closed_ssa): Declaration changed.
1305         * tree-loop-linear.c (linear_transform_loops): Add argument to
1306         rewrite_into_loop_closed_ssa call.
1307         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1308         * tree-ssa-loop-im.c (move_computations): Ditto.
1309         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1310         * tree-vectorizer.c (vectorize_loops): Ditto.
1311         * tree-optimize.c: Include cfgloop.h.
1312         (execute_todo): Choose whether to call cleanup_tree_cfg or
1313         cleanup_tree_cfg_loop.
1314         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1315         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1316         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1317         cleanup_tree_cfg_loop call.
1318         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1319         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1320         work on part of cfg.
1321
1322 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR inline-asm/20314
1325         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1326         with multiple alternatives.
1327
1328         * stmt.c (parse_output_constraint): Fix a typo.
1329
1330 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1331
1332         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1333         assembly directive instead of deprecated "no-generics".
1334
1335 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1336
1337         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1338         for non-offsettable memory references to cope with outstanding reload
1339         replacements.
1340         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1341         avoid losing outstanding address reloads.
1342         ("reload_outdi", "reload_outdf"): Likewise.
1343
1344 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1345
1346         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1347         code.  Add more cbrt transformations.
1348
1349 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1350
1351         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1352
1353 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1354
1355         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1356         NULL_TREE when a given tree is not simplified.
1357         (fold): Return the original tree when any of the functions
1358         mentioned above NULL_TREE.
1359
1360         * fold-const.c (fold_unary, fold_binary): Take decomposed
1361         arguments, code, type, op0, and op1 in case of fold_binary.
1362         (fold): Update calls to fold_unary and fold_binary.
1363
1364 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1365
1366         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1367         a fndecl and an arglist instead of a CALL_EXPR, exp.
1368
1369 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1370
1371         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1372
1373         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1374
1375         * expr.c (expand_assignment): Remove orig_to_rtx.
1376
1377         * fold-const.c (int_const_binop): Remove no_overflow.
1378
1379         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1380
1381         * loop-iv.c (get_biv_step_1): Remove lhs.
1382
1383         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1384
1385         * real.c (real_nan): Remove neg.
1386
1387         * function.c (thread_prologue_and_epilogue_insns): Remove i
1388         and newinsn.
1389
1390         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1391         tb.
1392
1393         * tree-eh.c (tree_could_trap_p): Remove idx.
1394
1395         * tree-into-ssa.c (ann): Remove ann.
1396
1397         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1398
1399         * tree-sra.c (decide_block_copy): Remove inst_count.
1400
1401         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1402
1403         * tree-ssa-loop-im.c (lhs): Remove.
1404
1405         * cfgbuild.c (state, STATE, SET_STATE,
1406         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1407         make_edges.
1408         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1409         (find_basic_blocks): Set the state of each basic block to
1410         BLOCK_NEW.
1411
1412 2005-03-08  Jeff Law  <law@redhat.com>
1413
1414         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1415         goto results in the removal of edges in the CFG, then we need
1416         to recompute dominators.
1417
1418 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1419
1420         * c-common.c (c_do_switch_warnings): Comment fix.
1421
1422 2005-03-08  Julian Brown  <julian@codesourcery.com>
1423
1424         * Patch from 2005-03-08 reverted for causing regressions and
1425         ppc-darwin bootstrap failure.
1426
1427 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1428
1429         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1430         Define the real function for ppc-darwin.
1431         * c-typeck.c (convert_arguments): Check for target-specific
1432         invalid argument call to unprototyped function.
1433         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1434         New Macro.
1435         * target.h (invalid_arg_for_unprototyped_fn): New field
1436         in struct calls.
1437         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1438         default target hook.
1439         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1440         Declare.
1441
1442 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1443
1444         * c-typeck.c (constructor_stack, constructor_range_stack,
1445         initializer_stack): Make them static.
1446
1447         * cfg.c (rbi_pool): Make it static.
1448
1449         * gimple-low.c (lower_stmt_body): Make it static.
1450         * tree-flow.h: Remove the corresponding prototype.  Don't
1451         declare lower_data.
1452
1453         * sched-deps.c (cache_size): Make it static.
1454
1455         * stor-layout.c (lang_adjust_rli): Make it static.
1456
1457 2005-03-08  Julian Brown  <julian@codesourcery.com>
1458
1459         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1460         from being used for symbols with vague linkage when
1461         HAVE_GAS_COMDAT_GROUP is true.
1462
1463 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1464
1465         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1466         nlabel == JUMP_LABEL (jump).
1467
1468 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1469
1470         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1471         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1472         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1473         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1474
1475 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1476
1477         PR c/14411
1478         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1479         * c-common.c (handle_returns_twice): New function.
1480         (c_common_attribute_table): Declare eturns_twice' attribute.
1481         * doc/extend.texi: Document eturns_twice' attribute.
1482         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1483         (struct tree_decl): Add returns_twice_flag.
1484
1485 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1486
1487         * tree-ssa-phiopt.c: Fix a comment typo.
1488
1489         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1490         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1491         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1492         copyright.
1493
1494 2005-03-08  Richard Henderson  <rth@redhat.com>
1495
1496         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1497         builtin codes with ctzdi2, clzdi2, popcountdi2.
1498         (struct alpha_builtin_def): Add is_const.
1499         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1500         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1501         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1502         on builtins.
1503         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1504         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1505         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1506         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1507         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1508         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1509         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1510         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1511         (TARGET_FOLD_BUILTIN): New.
1512         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1513         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1514         (ffsdi2): Use ctz.
1515         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1516
1517 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1518
1519         PR tree-optimization/20122
1520         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1521         condition of access function instead of base.
1522
1523 2005-03-07  Jeff Law  <law@redhat.com>
1524             Steven Bosscher  <stevenb@suse.de>
1525
1526         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1527         (find_taken_edge): Call find_taken_edge_computed_goto as
1528         appropriate.  Allow any gimple invariant rather than just
1529         INTEGER_CST for VAL.
1530         (cleanup_control_flow): Cleanup a computed goto which has turned
1531         into a simple goto.
1532         (tree_merge_blocks): If block B has any forced labels, move
1533         them to the start of block A.
1534         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1535         computed gotos as well.
1536         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1537         removal of unnecessary computed gotos too.
1538         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1539         updated.
1540
1541 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1542
1543         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1544         Remove trailing spaces.
1545
1546         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1547         unshare_all_trees): Make them static.
1548         * tree-gimple.h: Remove the corresponding prototypes.
1549
1550         * diagnostic.h: Remove unused prototype
1551         debug_output_buffer.
1552         * modulo-sched.c: Remove unused prototype
1553         set_row_column_for_ps.
1554
1555         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1556         replace_phi_edge_with_variable): Remove unused variable i.
1557
1558 2005-03-07  Per Bothner  <per@bothner.com>
1559
1560         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1561
1562 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1563
1564         PR tree-opt/17671
1565         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1566         bbs on the COND_EXPR instead of the PHI_NODEs.
1567         (candidate_bb_for_phi_optimization): Remove.
1568         (replace_phi_with_stmt): Rename to ...
1569         (replace_phi_edge_with_variable): this and change so that we
1570         replace the phi argument instead of removing the PHI.
1571         (conditional_replacement): Change so we deal with PHI with more
1572         than two arguments.
1573         (value_replacement): Likewise.
1574         (abs_replacement): Likewise.
1575
1576 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1577
1578         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1579         output_e500_flip_gt_bit.
1580
1581         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1582         as bit 31.
1583         (rs6000_generate_compare): Fix logic to look at the correct bits.
1584         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1585         Look at GT bit.
1586         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1587         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1588         gen_move_from_CR_gt_bit.
1589
1590         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1591         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1592         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1593
1594         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1595         (E500_CR_IOR_COMPARE): New constant.
1596
1597 2005-03-08  Earl Chew <earl_chew@agilent.com>
1598             David Billinghurst <David.Billinghurst@riotinto.com>
1599
1600         * config/i386/host-cygwin.c: New file to support precompiled
1601         headers on cygwin
1602         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1603         * config.host: Use above files for cygwin host.
1604
1605 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1606
1607         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1608         ordering ops from earlier change.
1609
1610 2005-03-07  Per Bothner  <per@bothner.com>
1611
1612         Various fixes to allow us to again build if --enable-mapped-location:
1613         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1614         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1615         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1616         local variable loc. Change logic appropriately.
1617         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1618         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1619         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1620         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1621         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1622
1623 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1624
1625         PR rtl-optimization/19683
1626         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1627         number of bytes, to smallest_int_for_mode.  Fix arguments to
1628         REG_CANNOT_CHANGE_MODE_P.
1629
1630 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1631
1632         * reorg.c (relax_delay_slots): Check that the jump is
1633         conditional before trying to invert it.
1634
1635 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1636
1637         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1638         Make them static.
1639
1640         * calls (stack_arg_under_construction): Make it static.
1641
1642         * flow.c (regs_live_at_setjmp): Make it static.
1643         * flow.h: Remove the corresponding prototype.
1644
1645         * reload1.c (reload_startobj, reload_firstobj,
1646         something_needs_operands_changed, reload_inherited,
1647         reload_inheritance_insn, reload_override_in,
1648         reload_spill_index): Make them static.
1649
1650         * recog.c (verify_changes): Make it static.
1651         * recog.h: Remove the corresponding prototype.
1652
1653         * cfgbuild.c (find_sub_basic_blocks): Remove.
1654         * basic-block.h: Remove the corresponding prototype.
1655         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1656         in comments.
1657         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1658
1659         * tree-ssa-operands.c (check_build_stmt): Remove.
1660
1661         * stor-layout.c (set_alignment): Remove.
1662         * tree.h: Remove the corresponding prototype.
1663
1664         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1665
1666         * tree-ssa-dce.c (control_dependence_map,
1667         visited_control_parents): Make them static.
1668
1669         * cfghooks.c (verify_flow_info): Remove local variable
1670         num_bb_notes.
1671
1672         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1673         last_bb_seen.
1674
1675         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1676
1677 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1678
1679         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1680
1681 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1682
1683         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1684         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1685         PARALLEL for an empty structure.
1686
1687 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1688
1689         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1690
1691         * fold-const.c (fold_binary): Unroll the very first "for"
1692         loop.
1693
1694 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1695
1696         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1697         redundant match_code test.
1698         (scc_comparison_operator): Swap match_operand and match_code
1699         tests.
1700         (branch_positive_comparison_operator): Same.
1701         (trap_comparison_operator): Use comparison_operator and swap with
1702         match_code test.
1703
1704 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1705
1706         PR target/20288
1707         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1708         (out_movhi_r_mr): Read low byte of volatile MEM first.
1709         (out_movhi_mr_r): Write high byte of volatile MEM first.
1710
1711 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1712
1713         * cselib.c (reg_values, reg_values_size): Make them static.
1714
1715         * cse.c (cse_reg_info_table): Make it static.
1716
1717         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1718
1719 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1720
1721         * cse.c (find_best_addr): Use canon_for_address.
1722
1723 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1724
1725         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1726         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1727         SUBREG and MEM, respectively.
1728
1729         * fold-const.c (fold_binary): Use code instead of t.
1730
1731         * fold-const.c (optimize_minmax_comparison): Take decomposed
1732         arguments code, type, op0, and op1 instead of t.
1733         (fold_binary): Update a call to optimize_minmax_comparison.
1734
1735         * fold-const.c (fold_range_test): Take decomposed arguments
1736         code, type, op0, and op1 instead of t.
1737         (fold_binary): Update a call to fold_range_test.
1738
1739         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1740         decomposed arguments code, type, op0, and op1 instead of t.
1741         (fold_binary): Update a call to fold_range_test.
1742
1743 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1744
1745         * fold-const.c (fold_binary): Avoid directly using the original
1746         expression t as much as possible.
1747
1748 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1749
1750         * c-semantics.c (build_stmt): Use TYPE_P instead of
1751         IS_NON_TYPE_CODE_CLASS.
1752         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1753         (NON_TYPE_CHECK): Use TYPE_P instead of
1754         IS_NON_TYPE_CODE_CLASS.
1755
1756         * fold-const.c (fold): Remove handling of binary expressions.
1757
1758 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1759
1760         * doc/c-tree.texi: Wrap comments in @r{}.
1761         * doc/cpp.texi: Likewise.
1762         * doc/cppinternals.texi: Likewise.
1763         * doc/extend.texi: Likewise.
1764         * doc/md.texi: Likewise.
1765         * doc/objc.texi: Likewise.
1766         * doc/sourcebuild.texi: Likewise.
1767         * doc/tm.texi: Likewise.
1768         * doc/tree-ssa.texi
1769
1770 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1771
1772         * predict.c (apply_return_prediction): Standardize PHI chain
1773         walking.
1774         * tree-ssa.c (ssa_redirect_edge): Likewise.
1775
1776         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1777         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1778         Update copyright.
1779
1780         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1781         * tree-flow.h: Adjust the prototype for remove_phi_node.
1782         * lambda-code.c (perfect_nestify): Adjust a call to
1783         remove_phi_node.
1784         * tree-cfg.c
1785         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1786         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1787         Likewise.
1788         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1789         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1790         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1791         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1792
1793         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1794         of GEN_INT (trunc_int_for_mode (...)).
1795         * loop-iv.c (iv_number_of_iterations): Likewise.
1796         * postreload.c (reload_cse_move2add): Likewise.
1797         * simplify-rtx.c (simplify_const_unary_operation,
1798         simplify_const_binary_operation): Likewise.
1799         * stor-layout.c (get_mode_bounds): Likewise.
1800
1801         * fold-const.c (fold_binary): New.
1802         (fold): Call fold_binary on binary expressions.
1803
1804 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1805
1806         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1807         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1808         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1809         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1810         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1811
1812 2005-03-04  Devang Patel  <dpatel@apple.com>
1813
1814         PR tree-optimization/18815
1815         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1816         loops with zero exit edges.
1817
1818 2005-03-04  Devang Patel  <dpatel@apple.com>
1819
1820         * doc/invoke.texi: Remove reference to webpage that does not exist.
1821
1822 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1823             Joseph S. Myers  <joseph@codesourcery.com>
1824
1825         PR c++/19797
1826         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1827         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1828         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1829         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1830         maybe_get_identifier instead of get_identifier.
1831         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1832         (struct deferred_plabel): Replace name field with symbol field.
1833         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1834         ASM_OUTPUT_EXTERNAL_REAL is defined.
1835         (output_global_address): Use output_addr_const for output of all
1836         symbol_refs.
1837         (output_deferred_plabels): Use symbol_ref instead of name for address
1838         output.
1839         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1840         ASM_OUTPUT_SYMBOL_REF): New macros.
1841         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1842         comment.
1843         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1844         label.
1845
1846 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1847
1848         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1849         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1850
1851 2005-03-04  Jeff Law  <law@redhat.com>
1852
1853         * basic-block.h (rediscover_loops_after_threading): Declare.
1854         * tree-ssa-dom.c: Include cfgloop.h.
1855         (tree_ssa_dominator_optimize): Discover loops and some basic
1856         properties.  Remove forwarder blocks recreated by loop header
1857         canonicalization.  Also mark backedges in the CFG.
1858         * tree-ssa-threadupdate.c: Include cfgloop.h
1859         (rediscover_loops_after_threading): Define.
1860         (struct local_info): New field, JUMP_THREADED.
1861         (prune_undesirable_thread_requests): New function.
1862         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1863         then record that fact for the callers of redirct_edges.
1864         (thread_block): If BB has incoming backedges, then call
1865         prune_undesirable_thraed_requests.    Note when we are
1866         going to have to rediscover loop information.  Return a
1867         boolean indicating if any jumps were threaded.
1868         (thread_through_all_blocks): Bubble up boolean indicating
1869         if any jumps were threaded.
1870         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1871         (tree-ssa-threadupdate.o): Similarly.
1872
1873 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1874
1875         * fold-const.c (fold_ternary): Unroll the "for" loop to
1876         extract operands.
1877
1878 2005-03-04  Andrew Haley  <aph@redhat.com>
1879
1880         * unwind-dw2-fde-glibc.c (struct
1881         unw_eh_callback_data.check_cache): New field.
1882         (frame_hdr_cache): New.
1883         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1884         Cache frame header info.
1885
1886 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1887
1888         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1889         (print_c_condition): Declare.
1890         * read-rtl.c (ptr_loc): New structure.
1891         (ptr_locs, ptr_loc_obstack, joined_conditions)
1892         (joined_conditions_obstack): New variables.
1893         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1894         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1895         (join_c_conditions, print_c_condition): New functions.
1896         (apply_macro_to_string): Associate the new string with the same
1897         source location as the old one.
1898         (add_condition_to_string): Use join_c_conditions.
1899         (read_string): Use set_rtx_ptr_loc to record a filename and line
1900         number for the string.
1901         (read_rtx): Initialize the new variables above.
1902         * genattrtab.c (write_test_expr, write_attr_value): Use
1903         print_c_condition.
1904         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1905         comment above the GCC_VERSION check.
1906         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1907         Inline the definition of MAYBE_EVAL.
1908         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1909         * genoutput.c (process_template): Likewise.
1910         * genpreds.c (write_predicate_subfunction): Likewise.
1911         (write_predicate_expr): Use print_c_condition.
1912         * genrecog.c (write_cond): Likewise.
1913         * gensupport.c (process_rtx): Use join_c_conditions to join the
1914         conditions of a define_insn_and_split.  Record a source location
1915         for the string after the "&&".
1916         (alter_test_for_insn): Use join_c_conditions.
1917
1918 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1919
1920         Revert for now:
1921         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1922         PR tree-optimization/15784
1923         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1924         and -1 - A to ~A.
1925
1926 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1927
1928         * gcc.c (option_map): Add --coverage.
1929         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1930         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1931         * config/darwin.h: Pass -lgcov for `coverage'.
1932         * doc/invoke.texi (Debugging Options): Document --coverage.
1933
1934 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1935
1936         * gcse.c (bypass_block): Use find_edge wherever possible.
1937
1938 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1939
1940         Fix PR debug/20253
1941
1942         * c-opts.c (c_common_parse_file): Call start_source_file
1943         and end_source_file at the approriate times.
1944
1945         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1946         the main file, it will be done for us now.
1947
1948 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1949
1950         * fold-const.c (fold_ternary): New.
1951         (fold): Call fold_ternary on ternary expressions.  Remove
1952         handling of ternary expressions.
1953
1954 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1955
1956         PR tree-optimization/15784
1957         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1958         and -1 - A to ~A.
1959
1960 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1961
1962         * config/rs6000/predicates.md (branch_comparison_operator):
1963         Convert from C block to conditional format.
1964
1965 2005-03-03  Jan Hubicka  <jh@suse.cz>
1966
1967         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1968         and non-constant public variables.
1969
1970 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1971
1972         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1973         with LABEL_EXPR.
1974
1975         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1976         EDGE_I.
1977
1978         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1979         calls to release_ssa_name and release_phi_node.
1980
1981         * fold-const.c (fold): Remove handling of unary expressions.
1982
1983         * fold-const.c (fold_unary): Avoid directly using the original
1984         expression t as much as possible.
1985
1986 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1987             Andrew Pinski  <pinskia@physics.uc.edu>
1988
1989         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1990         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1991
1992 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1993
1994         Describe special registers SRP and MOF as allocatable registers.
1995         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1996         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1997         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1998         TARGET_HAS_MUL_INSNS.
1999         (cris_print_operand) <case 'd'>: New case.
2000         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2001         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2002         define.
2003         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2004         (REG_ALLOC_ORDER): Update for MOF.
2005         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2006         SPECIAL_REGS.
2007         (GENERAL_REGS): No longer a define of ALL_REGS.
2008         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2009         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2010         Adjust accordingly.
2011         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2012         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2013         (SECONDARY_RELOAD_CLASS): Define.
2014         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2015         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2016         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2017         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2018         (REGISTER_MOVE_COST): Define.
2019         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2020         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2021         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2022         (CRIS_MOF_REGNUM): New define_constants.
2023         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2024         special registers.
2025         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2026         New patterns.
2027         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2028         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2029         Adjust for MOF being properly described as a register.
2030         (indir_to_reg_split): Name this split.  Conditionalize on the
2031         destination register being a general register.
2032         (movei): Conditionalize on on operands 0 and 1 having the same
2033         register class.
2034
2035 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2036
2037         PR target/20277
2038         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2039         -mcpu to override any other explicitly given flags.
2040
2041 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2042
2043         * recog.c (verify_changes, confirm_change_group): New functions,
2044         broken out of apply_change_group.
2045         (apply_change_group): Use them.
2046         * recog.h (verify_change, confirm_change_group): Declare.
2047         * rtl.h (redirect_jump_2): Declare.
2048         * jump.c (redirect_exp, invert_exp): Delete.
2049         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2050         (redirect_jump_2): New function, broken out of redirect_jump.
2051         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2052         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2053         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2054
2055 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2056
2057         * varasm.c (named_section): Use xstrdup rather than doing it by
2058         hand.
2059
2060         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2061
2062 2005-03-02  Devang Patel  <dpatel@apple.com>
2063
2064         Undo PR tree-optimization/18815 fix.
2065
2066 2005-03-02  Devang Patel  <dpatel@apple.com>
2067
2068         PR tree-optimization/18815
2069         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2070         loops with zero exit edges.
2071
2072 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2073
2074         * cfg.c (connect_src, connect_dest, disconnect_src,
2075         disconnct_dest): New.
2076         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2077         redirect_edge_pred): Use the new functions.
2078
2079         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2080         free_dominance_info only when needed.
2081
2082 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2083
2084         PR target/20276
2085         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2086         (reg_or_sub_cint64_operand): Same.
2087
2088 2005-03-02  Jeff Law  <law@redhat.com>
2089
2090         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2091         CFG_ALTERED in the main DOM iteration loop.
2092
2093 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2094
2095         PR c++/19916
2096         * varasm.c (initializer_constant_valid_p): Allow conversions
2097         between OFFSET_TYPEs.  Tidy.
2098
2099 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2100
2101         * config/cris/cris.md ("return"): Remove epilogue delay list
2102         sanity check.
2103
2104 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2105
2106         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2107         for Thumb.
2108         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2109
2110 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2111
2112         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2113         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2114         config/m68k/m68k.c, config/mips/mips.h,
2115         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2116         doc/include/gcc-common.texi: Update copyright.
2117
2118         PR middle-end/18029 and PR middle-end/18030
2119         * expr.c (optimize_bitfield_assignment_op): Add a special case
2120         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2121
2122         * fold-const.c (fold_unary): New.
2123         (fold): Call fold_unary on unary expressions.
2124
2125 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2126
2127         * cgraph.h (struct cgraph_edge): Add prev_caller and
2128         prev_callee fields.
2129         (cgraph_node_remove_callees): Export.
2130         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2131         and prev_callee.
2132         (cgraph_edge_remove_callee): New function.
2133         (cgraph_edge_remove_caller): Likewise.
2134         (cgraph_remove_edge): Use.
2135         (cgraph_redirect_edge_callee): Likewise.
2136         (cgraph_node_remove_callees): New function.
2137         (cgraph_node_remove_callers): Likewise.
2138         (cgraph_remove_node): Use.
2139         * tree-optimize.c (tree_rest_of_compilation): Use
2140         cgraph_node_remove_callees instead of manual loop.
2141         * cgraphunit.c (cgraph_finalize_function): Likewise.
2142         (cgraph_expand_function): Likewise.
2143         (cgraph_remove_unreachable_nodes): Likewise.
2144
2145 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2146
2147         PR c/8927
2148         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2149         argument.
2150         * c-decl.c (undeclared_variable): Take location as argument.
2151         * c-typeck.c (build_external_ref): Likewise.
2152         * c-parser.c (c_parser_postfix_expression): Pass location of
2153         identifier to build_external_ref.
2154
2155 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2156
2157         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2158         CCEQ mode for branch_positive_comparison_operator test.
2159         * config/rs6000/predicates (branch_comparison_operator): Revert to
2160         define_predicate.
2161         (scc_comparison_operator): Same.
2162         (branch_positive_comparison_operator): Same.
2163
2164 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2165
2166         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2167         (cris_delay_slots_for_epilogue): Remove.
2168         (save_last): Move into cris_target_asm_function_epilogue.
2169         (cris_target_asm_function_epilogue): Remove tests for file being
2170         NULL.
2171         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2172         (cris_delay_slots_for_epilogue): Remove prototypes.
2173         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2174         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2175
2176 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2177
2178         * config/rs6000/predicates.md (branch_comparison_operator): Change
2179         to define_special_predicate.
2180         (scc_comparison_operator): Same.
2181         (branch_positive_comparison_operator): Same.
2182
2183 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2184
2185         * Makefile.in (tree-ssa-sink.o): New.
2186         (OBJS-common): Add tree-ssa-sink.o.
2187         * common.opt: Add -ftree-sink
2188         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2189         * timevar.def (TV_TREE_SINK): new timevar.
2190         * tree-flow.h (is_hidden_global_store): Prototype.
2191         * tree-optimize.c (init_tree_optimization_passes): Add
2192         pass_sink_code.
2193         * tree-pass.h (pass_sink_code): New.
2194         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2195         for non-obvious global store store to is_hidden_global_store, and
2196         call that new function.
2197         * tree-ssa-sink.c: New file.
2198         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2199         * doc/passes.texi: Document forward store motion.
2200         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2201         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2202         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2203         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2204
2205 2005-03-01  Per Bothner  <per@bothner.com>
2206
2207         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2208         and we have a non-zero column-number, add it to the message.
2209         Also factor out the diagnostic_kind_text.
2210
2211 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2212
2213         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2214         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2215         flow_loop_scan): Removed.
2216         (flow_loop_dump): Do not dump removed fields.
2217         (flow_loop_free): Do not free removed fields.
2218         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2219         (loop_exit_edge_p): New function.
2220         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2221         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2222         num_exits, exits_doms.
2223         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2224         LOOP_EDGES, LOOP_ALL): Removed.
2225         (flow_loop_scan): Declaration removed.
2226         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2227         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2228         flow_loops_find.
2229         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2230         (if_convert): Call flow_loops_find and flow_loops_free
2231         when calling mark_loop_exit_edges.
2232         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2233         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2234         free_dominance_info calls.
2235         * loop-init.c (flow_loops_find): Ditto.
2236         * passes.c (rest_of_handle_branch_prob): Ditto.
2237         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2238         * loop-unroll.c (analyze_insns_in_loop): Do not use
2239         EDGE_LOOP_EXIT.
2240         * predict.c (predict_loops): Do not call flow_loop_scan.
2241         Use get_loop_exit_edges.
2242         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2243         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2244         Do not use EDGE_LOOP_EXIT.
2245         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2246         to bb_with_exit_edge_p.
2247         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2248         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2249         to bb_with_exit_edge_p.
2250         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2251         EDGE_LOOP_EXIT.
2252         * tree-loop-linear.c (linear_transform_loops): Do not call
2253         flow_loop_scan.  Use loop->single_exit.
2254         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2255         (vect_analyze_loop_form): Do not call flow_loop_scan.
2256         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2257         loop->single_exit.
2258         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2259         loop->single_exit.
2260         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2261         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2262         slpeel_tree_duplicate_loop_to_edge_cfg,
2263         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2264         Use loop_preheader_edge and loop->single_exit.  Do not call
2265         flow_loop_scan.
2266
2267 2005-03-01  Nick Clifton  <nickc@redhat.com>
2268
2269         * config/arm/arm.c (thumb_find_work_register): Check all of the
2270         argument registers to see if they are free, and a couple of
2271         special cases where the last argument register but can be proved
2272         to be available during the function's prologue.
2273         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2274         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2275         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2276         register bit-mask.
2277         (thumb_compute_save_reg_mask): Likewise.  Also use
2278         thumb_find_work_register() to ensure that there is agreement about
2279         which work register is going to be used in the prologue.
2280         (thumb_output_function_prologue): Use unsigned long as the type
2281         for the register bit-mask.  Also delay pushing the link register if
2282         other high registers are going to be pushed.
2283         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2284         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2285         redundant prototypes.
2286
2287 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2288
2289         PR target/19819
2290         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2291         and after reload in REG+REG indexed addresses without REG_POINTER
2292         set in the base and not set in the index.
2293
2294 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2295
2296         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2297         Don't undefine here.
2298         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2299         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2300         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2301         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2302         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2303         Delete.
2304         * config.gcc (sh*-*-linux*): Use config/linux.h.
2305
2306 2005-02-28  Dale Johannesen  <dalej@apple.com>
2307             Stan Shebs  <shebs@apple.com>
2308
2309         Rewrite of 64-bit Darwin structure-by-value pass/return.
2310         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2311         intoffset, use_stack, named.
2312         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2313         (rs6000_darwin64_record_arg_advance_flush):  New.
2314         (rs6000_darwin64_record_arg_advance_recurse): New.
2315         (rs6000_darwin64_record_arg_flush):  New.
2316         (rs6000_darwin64_record_arg_recurse):  New.
2317         (rs6000_darwin64_record_arg):  New.
2318         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2319         (function_arg_boundary):  Handle 128-bit aligned structs.
2320         (function_arg_advance):  Rewrite darwin64 struct handling.
2321         (function_arg):  Call rs6000_darwin64_record_arg.
2322         (function_arg_partial_nregs):  Handle darwin64 structs.
2323         (rs6000_darwin64_function_value):  Remove.
2324         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2325
2326 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2327
2328         PR tree-optimization/20216
2329         * tree-chrec.c (tree_fold_factorial): Delete.
2330         (tree_fold_binomial): Change argument list to take a return type
2331         and change the type of K to unsigned int.  Rewrite to avoid explicit
2332         evaluation of factorials, and (recursively) calling fold to perform
2333         compile-time arithmetic.  Return NULL on (internal) overflow.
2334         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2335         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2336         if any intermediate calculation overflows.
2337         (chrec_apply): Update call to chrec_evaluate.
2338
2339 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2340
2341         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2342
2343 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2344
2345         PR c/20245
2346         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2347         instead of NULL_TREE on error.
2348
2349 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2350
2351         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2352         (EASY_VECTOR_15_ADD_SELF): Remove.
2353         (num_insns_constant_wide): Not static.
2354         (validate_condition_mode): Not static.
2355         (toc_relative_expr_p): Not static.
2356         (legitimate_indirect_address_p): Not static.
2357         (macho_lo_sum_memory_operand): Not static.
2358         (invalid_e500_subreg): Not static.
2359         (easy_vector_same): Not static.
2360         (easy_vector_splat_const): Not static.
2361         (RS6000_SYMBOL_REF_TLS_P): Remove.
2362         (any_operand): Delete.
2363         (any_parallel_operand): Delete.
2364         (count_register_operand): Delete.
2365         (altivec_register_operand): Delete.
2366         (xer_operand): Delete.
2367         (s8bit_cint_operand): Delete.
2368         (short_cint_operand): Delete.
2369         (u_short_cint_operand): Delete.
2370         (non_short_cint_operand): Delete.
2371         (exact_log2_cint_operand): Delete.
2372         (gpc_reg_operand): Delete.
2373         (cc_reg_operand): Delete.
2374         (cc_reg_not_cr0_operand): Delete.
2375         (reg_or_short_operand): Delete.
2376         (reg_or_neg_short_operand): Delete.
2377         (reg_or_aligned_short_operand): Delete.
2378         (reg_or_u_short_operand): Delete.
2379         (reg_or_cint_operand): Delete.
2380         (reg_or_arith_cint_operand): Delete.
2381         (reg_or_add_cint64_operand): Delete.
2382         (reg_or_sub_cint64_operand): Delete.
2383         (reg_or_logical_cint_operand): Delete.
2384         (got_operand): Delete.
2385         (got_no_const_operand): Delete.
2386         (easy_fp_constant): Delete.
2387         (easy_vector_constant): Delete.
2388         (easy_vector_constant_add_self): Delete.
2389         (zero_constant): Delete.
2390         (zero_fp_constant): Delete.
2391         (volatile_mem_operand): Delete.
2392         (offsettable_mem_operand): Delete.
2393         (mem_or_easy_const_operand): Delete.
2394         (add_operand): Delete.
2395         (non_add_cint_operand): Delete.
2396         (logical_operand): Delete.
2397         (non_logical_cint_operand): Delete.
2398         (mask_operand): Delete.
2399         (mask_operand_wrap): Delete.
2400         (mask64_operand): Delete.
2401         (mask64_2_operand): Delete.
2402         (and64_operand): Delete.
2403         (and64_2_operand): Delete.
2404         (and_operand): Delete.
2405         (reg_or_mem_operand): Delete.
2406         (lwa_operand): Delete.
2407         (symbol_ref_operand): Delete.
2408         (call_operand): Delete.
2409         (current_file_function_operand): Delete.
2410         (input_operand): Delete.
2411         (rs6000_nonimmediate_operand): Delete.
2412         (rs6000_tls_symbol_ref): Delete.
2413         (save_world_operation): Delete.
2414         (restore_world_operation): Delete.
2415         (load_multiple_operation): Delete.
2416         (store_multiple_operation): Delete.
2417         (vrsave_operation): Delete.
2418         (mfcr_operation): Delete.
2419         (mtcrf_operation): Delete.
2420         (lmw_operation): Delete.
2421         (stmw_operation): Delete.
2422         (branch_comparison_operator): Delete.
2423         (branch_positive_comparison_operator): Delete.
2424         (scc_comparison_operator): Delete.
2425         (trap_comparison_operator): Delete.
2426         (boolean_operator): Delete.
2427         (boolean_or_operator): Delete.
2428         (min_max_operator): Delete.
2429         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2430         (EASY_VECTOR_15): Moved to here.
2431         (EASY_VECTOR_15_ADD_SELF): Move to here.
2432         (PREDICATE_CODES): Delete.
2433         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2434         Declare functions no longer static.
2435         * config/rs6000/predicates.md: New.
2436         * config/rs6000/rs6000.md: Include predicates.md
2437
2438 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2439
2440         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2441         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2442         REG_ALWAYS_RETURN.
2443         * cfgrtl.c (need_fake_edge_p): Likewise.
2444         * combine.c (distribute_notes): Likewise.
2445         * emit-rtl.c (try_split): Likewise.
2446         * recog.c (peephole2_opimize): Likewise.
2447         * reg-notes.def (ALWAYS_RETURN): Remove.
2448         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2449         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2450         * tree.h (ECF_ALWAYS_RETURN): Remove.
2451
2452 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2453
2454         PR middle-end/19874
2455         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2456         between different machine modes is never a "useless" conversion.
2457
2458 2005-02-28  Geert Bosch  <bosch@gnat.com>
2459
2460         PR ada/15977
2461         * doc/contrib.texi: List contributors for Ada front end
2462
2463 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2464
2465         * simplify-rtx.c (simplify_unary_operation_1,
2466         simplify_const_unary_operation): New, extracted from...
2467         (simplify_unary_operation): ... this one.
2468         (simplify_binary_operation_1,
2469         simplify_const_binary_operation): New, extracted from...
2470         (simplify_binary_operation): ... this one.
2471         * rtl.h (simplify_const_unary_operation,
2472         simplify_const_binary_operation): Add prototypes.
2473
2474 2005-02-28  Julian Brown  <julian@codesourcery.com>
2475
2476         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2477         building libjava and caused PR regression/20228.
2478
2479 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2480
2481         PR bootstrap/17383
2482         * Makefile.in (host_subdir): New.
2483         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2484         * configure: Regenerate.
2485
2486 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2487
2488         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2489         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2490         installation directory first.
2491
2492 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2493
2494         PR target/19065.
2495         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2496         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2497         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2498         * config/cris/cris.md: Tweak comments referring to Q.
2499         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2500         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2501         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2502         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2503         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2504         Insert spaces in constraints to align alternatives vertically for
2505         readability.
2506         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2507         operand 1: "M".
2508
2509 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2510
2511         PR rtl-optimization/17728
2512         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2513         operand 0 from general_operand to move_dest_operand.
2514
2515 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2516
2517         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2518         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2519         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2520         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2521
2522 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2523
2524         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2525         * configure: Regenerate.
2526         * libada-mk.in: Remove CC; rename
2527         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2528
2529 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2530
2531         PR tree-opt/20188
2532         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2533         for the lhs, also walk over the tree.  Likewise for rhs.
2534
2535 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2536
2537         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2538         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2539         Do not propagate value of iv before increment over the increment.
2540
2541 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2542
2543         * c-parser.c: New file.
2544         * c-parse.in: Remove.
2545         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2546         Remove.
2547         (c-parser.o): Add dependencies.
2548         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2549         maintainer-clean, TAGS): Update.
2550         * c-config-lang.in (gtfiles): Update.
2551         * gengtype-lex.l: Don't handle "@@".
2552         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2553         objc_build_synchronized, objc_begin_try_stmt,
2554         objc_begin_catch_clause, objc_finish_catch_clause,
2555         objc_build_finally_clause, objc_finish_try_stmt): New.
2556         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2557         type_seen_p.
2558         (c_parse_init): Update comment.
2559         * c-decl.c (c_init_decl_processing): Update comment.
2560         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2561         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2562         new c_declspecs members.
2563
2564 2005-02-25  Julian Brown  <julian@codesourcery.com>
2565
2566         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2567         from being used for symbols with vague linkage when
2568         HAVE_GAS_COMDAT_GROUP is true.
2569
2570 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2571
2572         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2573
2574 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2575
2576         PR target/19930
2577         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2578         (LIBGCC2_HAS_DF_MODE): New.
2579         (LIBGCC2_HAS_XF_MODE): New.
2580         (LIBGCC2_HAS_TF_MODE): New.
2581         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2582         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2583         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2584         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2585         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2586         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2587         and add _fixtfdi, _fixunstfdi, _floatditf
2588         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2589         L_fixunstfdi, L_floatditf.
2590         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2591         (LIBGCC2_HAS_TF_MODE): Define.
2592
2593 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2594
2595         PR tree-optimization/20204
2596         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2597         REWRITE_THIS_STMT markers on PHI nodes.
2598         (rewrite_initialize_block): Likewise.
2599
2600 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2601
2602         * version.c (version_string): Update to 4.1.
2603
2604 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2605
2606         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2607         Clarify that the alternative way doesn't work in GNU C++.
2608
2609 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2610
2611         PR tree-optimization/19937
2612         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2613         to the type of the induction variable.
2614
2615 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2616
2617         PR rtl-optimization/20117
2618         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2619         the block including noncopyable insn.
2620
2621 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2622
2623         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2624         calls to find_reg_note.
2625
2626 2005-02-24  Richard Henderson  <rth@redhat.com>
2627
2628         PR tree-opt/20127
2629         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2630         the type.
2631
2632 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2633
2634         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2635         vector types if to use base reg for misaligned non-word ld/std.
2636
2637 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2638
2639         PR target/14619
2640         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2641         dwarf2 label manually and put it after, not before the prologue.
2642
2643 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2644
2645         PR target/19019
2646         * reload.c (operands_match_p): Only increment register number for
2647         SCALAR_INT_MODE_P modes in multiple hard registers.
2648
2649         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2650         Fix formatting.
2651
2652 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2653
2654         * ChangeLog.5: Fix log message typo(s).
2655         * ChangeLog.7: Likewise.
2656         * ChangeLog.tree-ssa: Likewise.
2657         * cfgexpand.c: Fix comment typo(s).
2658         * conflict.c: Likewise.
2659         * defaults.h: Likewise.
2660         * dwarf2out.c: Likewise.
2661         * gcse.c: Likewise.
2662         * ggc-page.c: Likewise.
2663         * tree-eh.c: Likewise.
2664         * tree-ssa-dom.c: Likewise.
2665
2666 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR target/19019
2669         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2670         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2671         if SHARED is defined.
2672
2673         PR target/20196
2674         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2675         allow splitting only if operands 0 and 3 don't overlap.
2676
2677 2005-02-24  Richard Henderson  <rth@redhat.com>
2678
2679         PR middle-end/19953
2680         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2681         (fold_builtin_1): Call them.
2682         * fold-const.c (fold_complex_mult_parts): Split out from ...
2683         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2684         (fold_complex_div_parts, fold_complex_div): New.
2685         (fold): Use them.
2686         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2687
2688 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2689
2690         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2691         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2692
2693         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2694         (print_node): Likewise.
2695         Print TYPE_SIZES_GIMPLIFIED.
2696
2697 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2698
2699         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2700         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2701         operands as commutative in constraints.
2702
2703 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2704
2705         * tree-into-ssa.c: Re-organize internal functions.
2706
2707 2005-02-24  Richard Henderson  <rth@redhat.com>
2708
2709         PR middle-end/18902
2710         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2711         for c99.
2712         * common.opt (fcx-limited-range): New.
2713         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2714         * toplev.c (flag_complex_method): Initialize to 1.
2715         (process_options): Set flag_complex_method to 0 if
2716         flag_cx_limited_range.
2717         * doc/invoke.texi (-fcx-limited-range): New.
2718
2719 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2720
2721         * cse.c (delete_trivially_dead_insns): Speed up by using
2722         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2723         prev_real_insn.
2724
2725 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2726
2727         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2728         functions when -mid-shared-library is being used.
2729
2730 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2731
2732         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2733         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2734         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2735         * system.h: Poison LINK_LIBGCC_SPECIAL.
2736
2737 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2738
2739         * gengtype.c (note_insn_name): Make 1 element larger.
2740
2741 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2742
2743         PR target/20018
2744         PR rtl-optimization/20097
2745         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2746         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2747
2748 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2749
2750         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2751         * t-aix52 (SHLIB_INSTALL): Same.
2752
2753 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2754
2755         * genpreds.c: Update copyright.
2756
2757 2005-02-23  Michael Beach  <michaelb@ieee.org>
2758
2759         PR target/20159
2760         * config/sparc/t-elf (startup files): Assemble with CPP.
2761
2762 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2763
2764         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2765         (write_predicate_expr): Likewise.
2766
2767 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2768
2769         PR tree-optimization/20100
2770         PR tree-optimization/20115
2771         * tree-optimize.c (init_tree_optimization_passes): Remove
2772         pass_maybe_create_global_var.
2773         * tree-pass.h (pass_maybe_create_global_var): Remove.
2774         * tree-ssa-alias.c (aliases_computed_p): Declare.
2775         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2776         (count_calls_and_maybe_create_global_var): Remove.
2777         (pass_maybe_create_global_var): Remove.
2778         (init_alias_info): Do not declare aliases_computed_p.
2779         (maybe_create_global_var): If the function contains no
2780         call-clobbered variables and a mix of pure/const and regular
2781         function calls, create .GLOBAL_VAR.
2782         Mark all call-clobbered variables for renaming.
2783         (merge_pointed_to_info): Update comment.
2784         (add_pointed_to_var): Likewise.
2785         (is_escape_site): Likewise.
2786         Accept struct alias_info * instead of size_t *.
2787         Update all users.
2788         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2789         as necessary.
2790         * tree-ssa-operands.c (get_call_expr_operands): If
2791         ALIASES_COMPUTED_P is false, do not add call-clobbering
2792         operands.
2793         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2794         (delete_tree_ssa): Likewise.
2795
2796 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2797
2798         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2799         (do_compile): Do call it here.
2800
2801 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2802
2803         PR rtl-optimization/20017.
2804         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2805         rest_of_handle_cse2, rest_of_handle_gcse): Call
2806         delete_dead_jumptables immediately before calling cleanup_cfg.
2807
2808 2005-02-22  Devang Patel  <dpatel@apple.com>
2809
2810         PR 19952
2811         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2812         all labels
2813
2814 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2815
2816         * config/rs6000/aix.h (WINT_TYPE): Define.
2817
2818 2005-02-22  Stan Shebs  <shebs@apple.com>
2819
2820         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2821         natural alignment for 64-bit Darwin.
2822         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2823         on 64-bit Darwin.
2824         * doc/invoke.texi: Document this.
2825
2826 2005-02-22  DJ Delorie  <dj@redhat.com>
2827
2828         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2829         to make_[un]signed_type, not the mode itself.
2830
2831 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2832
2833         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2834         not available.  Use tail calls wherever possible.
2835         (make_edge): Call unchecked_make_edge to create an edge.
2836
2837         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2838         (coalesce_ssa_name): Don't check for
2839         SSANORM_USE_COALESCE_LIST.
2840         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2841
2842 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2843
2844         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2845         (rewrite_into_ssa): ... here.
2846
2847 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2848
2849         PR tree-optimization/19786
2850         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2851         tag to another's may-alias bitmap when adding to the other's list.
2852
2853 2005-02-21  DJ Delorie  <dj@redhat.com>
2854
2855         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2856         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2857         registers in unsupported ways.
2858         * expmed.c (init_expmed): Likewise.
2859
2860 2005-02-21  Stan Cox  <scox@redhat.com>
2861
2862         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2863
2864 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2865
2866         * tree-cfg.c (fold_cond_expr_cond): New.
2867         (make_edges): Call fold_cond_expr_cond.
2868         (find_taken_edge): Accept nothing but INTEGER_CST.
2869         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2870         and 1.
2871         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2872
2873         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2874         that do not belong to any basic block.
2875
2876 2005-02-21  Jeff Law  <law@redhat.com>
2877
2878         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2879         e->dest.
2880
2881 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2882
2883         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2884         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2885         Adjust their definitions.
2886         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2887         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2888
2889         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2890         genautomata.c, langhooks.c, langhooks.h, system.h,
2891         config/arm/lib1funcs.asm: Update copyright.
2892
2893 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2894
2895         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2896
2897 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2898
2899         PR bootstrap/13770
2900         * doc/install.texi: Document --with-gc.
2901
2902 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2903
2904         * simplify-rtx.c (simplify_unary_operation): Add a missing
2905         "break" statement.
2906
2907 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2908
2909         PR tree-optimization/18663
2910         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2911         if the type has variable bounds.
2912
2913 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2914
2915         * gcse.c: Remove an obsolete comment.
2916
2917         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2918
2919 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2920
2921         * doc/extend.texi (Function Attributes) <Attribute const>: The
2922         attribute "pure" is below this text, not above.
2923
2924 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2925
2926         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2927         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2928         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2929
2930 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2931
2932         PR 18785
2933         * langhooks.h (struct lang_hooks): Add to_target_charset.
2934         * langhooks.c (lhd_to_target_charset): New function.
2935         * langhooks-def.h: Declare lhd_to_target_charset.
2936         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2937         (LANG_HOOKS_INITIALIZER): Update.
2938         * c-common.c (c_common_to_target_charset): New function.
2939         * c-common.h: Declare it.
2940         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2941         c_common_to_target_charset.
2942
2943         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2944         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2945         Delete definitions.
2946         * system.h: Poison them.
2947         * doc/tm.texi: Don't discuss them.
2948         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2949         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2950         (pp_c_char): Do not attempt to generate letter escapes for
2951         newline, tab, etc.
2952         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2953         * config/mips/mips.c (mips_output_ascii): Likewise.
2954
2955 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2956
2957         PR tree-optimization/19951
2958         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2959         is abnormal.
2960
2961 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2962
2963         PR middle-end/19698
2964         * function.h (struct function): New field `max_loop_depth'.
2965         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2966         (flow_loops_find): Reset the max loop depth count before finding loops.
2967         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2968         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2969         (calculate_global_regs_live): Make sure the loop will terminate
2970         when the initial sets are not empty.
2971
2972 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2973
2974         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2975         object inside.
2976         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2977
2978 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2979
2980         PR other/19525
2981         * doc/invoke.texi: Remove documentation of %M spec.
2982         * gcc.c: Likewise.
2983         (init_spec): Remove %M suffix from -lgcc_s.
2984         (do_spec_1): Remove 'M' case.
2985         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2986         to put shared libraries in the multilib directory.  Remove the
2987         shlib_so_soname substitution variable.  Don't add a multilib encoding
2988         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2989         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2990         SHLIB_INSTALL as well as SHLIB_LINK.
2991         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2992         (SHLIB_NAME): Delete.
2993         (SHLIB_DIR): New macro.
2994         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2995         (SHLIB_INSTALL): Adjust accordingly.
2996         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2997         * config/t-slibgcc-sld: Likewise.
2998         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2999         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3000         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3001         in $(SHLIB_DIR).
3002         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3003         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3004         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3005         Use @shlib_base_name@ instead of @shlib_so_name@.
3006         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3007         and @shlib_base_name@.so in @multilib_dir@.
3008         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3009         to the install path.
3010         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3011         (SHLIB_LINK): Remove previous workaround.
3012         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3013         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3014         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3015         the install path.
3016         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3017         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3018         (SHLIB_INSTALL): Adjust accordingly.
3019         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3020         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3021         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3022         config/t-slibgcc-elf-ver.
3023
3024 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3025             Jakub Jelinek  <jakub@redhat.com>
3026
3027         PR tree-optimization/19828
3028         * tree-ssa-loop-im.c: Add a TODO comment.
3029         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3030         without side-effects.
3031
3032 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3033
3034         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3035         call fold_convert.
3036
3037 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3038
3039         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3040         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3041         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3042         functions.
3043         (ia64_reorg): Delete fixup_errata call.
3044         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3045         (TARGET_SWITCHES): Delete -mb-step entry.
3046
3047 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3048
3049         PR c/20043
3050         * c-typeck.c (composite_type): Handle quals in transparent unions.
3051         (type_lists_compatible_p): Likewise.
3052
3053 2005-02-18  Stan Shebs  <shebs@apple.com>
3054
3055         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3056         expressions in the .literal8 section.
3057
3058 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3059
3060         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3061
3062 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3063
3064         * fold-const.c (constant_boolean_node): Always create values of the
3065         specified type, don't bother calling truthvalue_conversion.
3066
3067 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3068
3069         * except.c (output_function_exception_table): Call
3070         assemble_external_libcall (eh_personality_libfunc).
3071
3072 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3073
3074         PR target/19886
3075         * config/ia64/ia64.h (struct machine_function): Add state_num.
3076         * config/ia64/ia64.c (process_epilogue,
3077         process_for_unwind_directive): Use new unwind state numbers each
3078         time rather than state 1.
3079
3080 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3081
3082         PR target/20054
3083         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3084         before the "*llgt_didi" pattern.
3085
3086 2005-02-18  Jason Merrill  <jason@redhat.com>
3087
3088         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3089
3090 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3091
3092         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3093         (div0): Use it in place of ARM_FUNC_ALIAS.
3094         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3095
3096 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3097
3098         PR middle-end/20030
3099         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3100         access, the lower bound of the array type if it exists.
3101
3102 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3103
3104         PR c++/20008
3105         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3106         cases that are out-of-range for the index type.
3107
3108 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3109
3110         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3111         (estimate_case_costs): Don't call convert.
3112         * expmed.c (expand_shift): Likewise.
3113         (make_tree): Call fold_convert instead of convert.
3114
3115 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR c++/19813
3118         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3119         that ref to be marked MEM_READONLY_P doesn't have base that needs
3120         constructing.
3121
3122 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3123
3124         * genautomata.c (output_get_cpu_unit_code_func,
3125         output_cpu_unit_reservation_p): Don't generate old-style function
3126         definitions.
3127
3128 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3129
3130         PR c++/20023
3131         PR tree-optimization/20009
3132         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3133
3134         PR tree-optimization/18947
3135         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3136         inline, remove all nodes that are inlined into the extern inline
3137         being redefined.
3138
3139 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3140
3141         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3142         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3143         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3144         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3145         Update copyright.
3146
3147 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3148
3149         PR tree-optimization/19917
3150         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3151         to be potentially trapping.
3152
3153 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3154
3155         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3156
3157 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3158
3159         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3160         tem becomes a local variable which is set to the value of the
3161         back end defined INITIAL_FRAME_ADDRESS macro.
3162         (expand_builtin_frame_address): Omit the base parameter to
3163         expand_builtin_return_addr.
3164         (expand_builtin_profile_func): Likewise.
3165         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3166         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3167         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3168
3169 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3170
3171         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3172         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3173         * config/frv/frv.c (frv_function_epilogue): Likewise.
3174
3175 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3176
3177         * lambda-code (perfect_nestify): Remove mark/unmark
3178         for rewriting hack.
3179         * tree-loop-linear.c (linear_transform_loops): Add
3180         rewrite_into_ssa call so that ssa is correct for
3181         rewriting into loop closed.
3182
3183 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3184
3185         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3186         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3187         BITMAP_FREE.
3188         * bt-load.c (btr_def_live_range, combine_btr_defs,
3189         migrate_btr_def, migrate_btr_defs): Likewise.
3190         * cfgcleanup.c (thread_jump): Likewise.
3191         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3192         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3193         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3194         df_rd_local_compute, df_reg_info_compute): Likewise.
3195         * dominance.c (init_dom_info, free_dom_info): Likewise.
3196         * flow.c (init_propagate_block_info,
3197         free_propagate_block_info): Likewise.
3198         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3199         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3200         modify_reg_pav): Likewise.
3201         * loop-invariant.c (find_defs, find_invariant_insn,
3202         find_invariants, free_inv_motion_data): Likewise.
3203         * predict.c (tree_predict_by_opcode,
3204         estimate_bb_frequencies): Likewise.
3205         * stmt.c (expand_case): Likewise.
3206         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3207         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3208         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3209         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3210         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3211         rewrite_ssa_into_ssa): Likewise.
3212         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3213         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3214         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3215         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3216         * tree-sra.c (tree_sra): Likewise.
3217         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3218         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3219         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3220         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3221         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3222         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3223         Likewise.
3224         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3225         calculate_live_on_entry, calculate_live_on_exit,
3226         build_tree_conflict_graph): Likewise.
3227         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3228         record_important_candidates, set_use_iv_cost, find_depends,
3229         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3230         tree_ssa_iv_optimize_finalize): Likewise.
3231         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3232         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3233         tree_duplicate_loop_to_header_edge): Likewise.
3234         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3235         * tree-ssa.c (verify_flow_insensitive_alias_info,
3236         verify_name_tags, verify_ssa, init_tree_ssa,
3237         delete_tree_ssa): Likewise.
3238         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3239         fini_ssanames): Likewise.
3240         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3241
3242 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3243
3244         * config/rs6000/t-rtems: Completely reworked.
3245
3246 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3247
3248         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3249
3250 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3251
3252         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3253         POINTER_TYPE_P when checking that type is a pointer.
3254         (vect_get_memtag): Remove.
3255         (vect_address_analysis): Use POINTER_TYPE_P. Call
3256         vect_object_analysis with dummy parameter for memtag.
3257         (vect_object_analysis): Extract memtag (functionality that
3258         used to be in vect_get_memtag and moved here). Fix printings.
3259         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3260         with correct parameters. Remove call to vect_get_memtag.
3261
3262 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3263
3264         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3265         (tree-vectorizer.o): Added missing dependencies.
3266
3267         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3268         decleration.
3269         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3270         declaration in tree-vectorizer.c, now has an extern declaration in
3271         tree-vectorizer.h).
3272         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3273         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3274         get_vectype_for_scalar_type, vect_is_simple_use,
3275         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3276         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3277         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3278         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3279         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3280         find_loop_location): Likewise.
3281
3282         * tree-vectorizer.c (langhooks.h): #include removed.
3283         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3284         moved to tree-vectorized.h.
3285         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3286         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3287         get_vectype_for_scalar_type, vect_is_simple_use,
3288         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3289         vect_supportable_dr_alignment, new_loop_vec_info,
3290         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3291         vect_set_verbosity_level, find_loop_location): Likewise.
3292
3293         (vect_analyze_loop): Function externalized. Declaration moved to
3294         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3295         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3296         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3297         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3298         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3299         vect_enhance_data_refs_alignment, vect_analyze_operations,
3300         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3301         vect_stmt_relevant_p, vect_get_loop_niters,
3302         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3303         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3304         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3305         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3306         vect_get_memtag): Likewise.
3307
3308         (vectorizable_load): Function externalized. Declaration moved to
3309         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3310         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3311         vect_transform_loop): Likewise.
3312         (vect_transform_stmt): Moved to tree-vect-transform.c.
3313         (vect_align_data_ref, vect_create_destination_var,
3314         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3315         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3316         vect_get_vec_def_for_operand, vect_init_vector,
3317         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3318         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3319         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3320         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3321         vect_do_peeling_for_loop_bound): Likewise.
3322
3323         * tree-vect-analyze.c: New file.
3324         * tree-vect-transform.c: New file.
3325
3326 2005-02-17  Jason Merrill  <jason@redhat.com>
3327
3328         PR mudflap/19319, c++/19317
3329         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3330         slot explicit.
3331
3332 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3333
3334         * doc/install.texi (Specific): Update link for Darwin-specific
3335         tool binary site.
3336
3337 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3338
3339         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3340         constant_boolean_node.
3341
3342 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3343
3344         PR target/19019
3345         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3346         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3347
3348 2005-02-16  Richard Henderson  <rth@redhat.com>
3349
3350         PR 19920
3351         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3352         with W_TYPE_SIZE.
3353         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3354         replace uses with Wtype_MAXp1_F.
3355         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3356         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3357         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3358         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3359         and HAVE_TFMODE as appropriate.
3360         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3361         (__floatdisf): Likewise.
3362         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3363         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3364         (Wtype_MAXp1_F): New.
3365         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3366         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3367
3368 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3369
3370         * PR target/19162
3371         * arm.c (arm_apply_result_size): New function.
3372         * arm.h (APPLY_RESULT_SIZE): Define.
3373         * arm-protos.h (arm_apply_result_size): Add prototype.
3374         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3375         (movxf): New expand.
3376         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3377         (call_value_symbol): Remove predicate for operand 0.
3378         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3379         (untyped_call): Rework to correclty return values for any type.
3380         (untyped_return): New expand.
3381         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3382
3383 2005-02-16  Stan Shebs  <shebs@apple.com>
3384
3385         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3386         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3387
3388 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3389
3390         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3391         configure settings on Solaris 7 and later.
3392
3393 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3394
3395         PR tree-optimization/19865
3396         * tree-optimize.c (init_tree_optimization_passes): Run
3397         pass_may_alias after pass_sra.
3398
3399 2005-02-16  Richard Henderson  <rth@redhat.com>
3400             Stuart Hastings  <stuart@apple.com>
3401
3402         PR debug/19521
3403         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3404         Do nothing if debug info suppressed for this function.
3405         (dbxout_begin_function): Early exit if debug info suppressed for
3406         this function.
3407
3408 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3409
3410         PR target/20007
3411         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3412         find_basic_blocks.
3413         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3414
3415         PR tree-optimization/19967
3416         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3417         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3418         argument TYPE.  Adjust calls to fold_builtin_XXX.
3419         (expand_builtin, fold_builtin_1): Adjust calls to
3420         expand_builtin_XXX.
3421         (fold_builtin_strchr, fold_builtin_strpbrk,
3422         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3423         result to a requested type TYPE.
3424
3425 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3426
3427         PR middle-end/19857
3428         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3429         (T)x & (T)cst if (T)cst overflows.
3430         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3431         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3432
3433 2005-02-15  Jeff Law  <law@redhat.com>
3434
3435         * gcse.c (blocks_with_calls): New bitmap.
3436         (alloc_gcse_mem): Allocate it.
3437         (free_gcse_mem): Free it.
3438         (clear_modifY_mem_tables): Clear it.
3439         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3440         when we encounter CALL_INSNs.
3441         (compute_transp, case MEM): Handle blocks with calls separate
3442         from blocks without calls.  Use bitmap iterators rather than
3443         FOR_EACH_BB.
3444
3445 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3446
3447         PR bootstrap/18810
3448         * mklibgcc.in (vis_hide): Use a temporary object file, not
3449         -o /dev/null.
3450
3451 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3452
3453         PR target/19924
3454         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3455         access optimization.
3456
3457 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3458             Alan Modra  <amodra@bigpond.net.au>
3459
3460         PR target/19019
3461         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3462         (_xlqsub): Rename to __gcc_qsub.
3463         (_xlqmul): Rename to __gcc_qmul.
3464         (_xlqdiv): Rename to __gcc_qdiv.
3465         Provide versioned symbol aliases with old names.
3466         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3467         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3468         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3469         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3470         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3471
3472 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3473
3474         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3475         Fold ~(A - 1) and ~(A + -1) to -A.
3476
3477 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3478
3479         PR pch/14940
3480         PR target/19300
3481         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3482         config/pa/pa-host.c:pa_gt_pch_use_address.
3483
3484 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3485
3486         * tree-vn.c (get_value_handle): Make sure that given an
3487         is_gimple_min_invariant expression, we always return it.
3488
3489 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3490
3491         * passes.c (rest_of_handle_gcse): Fix a comment.
3492
3493 2005-02-15  Jeff Law  <law@redhat.com>
3494
3495         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3496         bitmap.
3497         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3498         (canon_list_insert, record_last_mem_set_info): Similarly.
3499         (clear_modify_mem_tables): Similarly.
3500
3501 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3502
3503         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3504         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3505         config/mips/mips.md, config/rs6000/aix.h,
3506         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3507
3508 2005-02-15  Richard Henderson  <rth@redhat.com>
3509
3510         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3511         call to be best_edge.
3512
3513 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3514
3515         * basic-block.h: Adjust the prototype for find_basic_blocks.
3516         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3517         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3518         find_basic_blocks.
3519
3520         * flow.c (recompute_reg_usage): Remove all arguments.
3521         * passes.c (rest_of_compilation): Adjust the call to
3522         recompute_reg_usage.
3523         * rtl.h: Adjust the prototype for recompute_reg_usage.
3524
3525 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3526
3527         * tree-dump.c (dump_files): Update to reflect new member
3528         of dump_file_info.
3529         (dump_register): Add new argument.
3530         Set glob name.
3531         (dump_switch_p_1): Check against glob name if doglob was passed.
3532         (dump_switch_p): Check against regular first, then glob if
3533         we didn't have any hits on the dump name.
3534         * tree-optimize.c (register_one_dump_file):
3535         Pass in glob name as well.
3536         * tree-pass.h (struct dump_file_info): Add glob
3537         member.
3538
3539 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3540
3541         PR preprocessor/16323
3542         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3543
3544 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3545
3546         PR target/19019
3547         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3548         (trunctfdf2_internal1): New.
3549         (trunctfdf2_internal2): Renamed from trunctfdf2.
3550
3551 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3552
3553         PR tree-optimization/19853
3554         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3555
3556 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3557
3558         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3559         delete_dead_jumptables and cleanup_cfg.
3560
3561 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3562
3563         * reload.c (find_reloads): Swap address_reloaded flags when
3564         swapping commutative operands.
3565
3566 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3567
3568         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3569         Use standard_iv_increment_position for computing the bsi position
3570         for create_iv.
3571         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3572         the bsi position.
3573
3574 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3575
3576         PR target/17428
3577         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3578         life range of hard registers.
3579         * value-prof.c (insn_prefetch_values_to_profile): Only
3580         scan normal insns.
3581
3582         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3583         profile in libcalls.
3584
3585 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3586
3587         * bitmap.h (bitmap_and_compl_into): Return bool.
3588         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3589
3590 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3591
3592         PR tree-optimization/19944
3593         * fold-const.c (fold): Re-add ABS_EXPR folding.
3594
3595 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3596
3597         PR target/19019
3598         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3599         {TARGET,MASK}_XL_COMPAT.
3600         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3601         MASK_XL_COMPAT.
3602         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3603         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3604         TARGET_XL_COMPAT.
3605         (rs6000_arg_partial_bytes): Same.
3606         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3607         and XL compatibility enabled.
3608         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3609         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3610         test to final condition.
3611         (cmptf_internal2): New.
3612         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3613         xl-compat.  Add TFmode information to description.
3614
3615 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3616
3617         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3618
3619 2005-02-13  Jason Merrill  <jason@redhat.com>
3620
3621         PR c++/16405
3622         * fold-const.c (fold_indirect_ref_1): Split out from...
3623         (build_fold_indirect_ref): Here.
3624         (fold_indirect_ref): New fn.
3625         * tree.h: Declare it.
3626         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3627         (gimplify_modify_expr_rhs): Likewise.
3628         (gimplify_expr): Likewise.
3629
3630 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3631
3632         PR tree-optimization/14303
3633         PR tree-optimization/15784
3634         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3635         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3636         ABS_EXPR<x> != 0 to x != 0.
3637
3638 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3639
3640         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3641         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3642         spelling conventions.
3643
3644         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3645         delete_trivially_dead_insns too many times.
3646
3647         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3648         tem and tem2.
3649
3650 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3651
3652         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3653         (vect_is_simple_iv_evolution): Remove redundant parameter
3654         and step check.
3655         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3656         without last parameter.
3657         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3658         Return pointer step. Call vect_is_simple_iv_evolution without
3659         last parameter. Check only that the step is multiple of size
3660         type. Remove stmt_vinfo updates.
3661         (vect_get_memtag_and_dr): Remove.
3662         (vect_get_memtag): New function.
3663         (vect_address_analysis): New function.
3664         (vect_object_analysis): New function.
3665         (vect_analyze_data_refs): Call vect_object_analysis and
3666         vect_get_memtag. Update stmt_vinfo fields.
3667
3668 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3669
3670         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3671         exist and are objects. Remove checks for pointer.
3672         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3673         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3674         (vect_create_data_ref_ptr): Likewise.
3675         (vect_base_addr_differ_p): New function.
3676         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3677         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3678         Don't set the DR_BASE_NAME field of data-ref.
3679         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3680
3681 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3682
3683         * optabs.h (enum optab_index): Add new OTI_ldexp.
3684         (ldexp_optab): Define corresponding macro.
3685         * optabs.c (init_optabs): Initialize ldexp_optab.
3686         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3687         patterns.
3688         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3689         using ldexp_optab.
3690         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3691         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3692
3693         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3694         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3695         intrinsics.
3696
3697 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3698
3699         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3700         to base_address.
3701         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3702         stmt_vec_info.
3703         (vect_get_base_and_offset): Always return an address.
3704         (vect_create_addr_base_for_vector_ref): Remove treatment for
3705         different data reference types.
3706         (vect_compute_data_ref_alignment): Rename base to base_address in
3707         stmt_vec_info. Get the object in order to force its alignment.
3708         (vect_get_memtag_and_dr): Rename base to base_address in
3709         stmt_vec_info. Extract the object for memtag analysis.
3710
3711 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3712
3713         PR regression/19898.
3714         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3715         changes cc_status, use apply modified_in_p to part of cc_status
3716         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3717         body.
3718
3719 2005-02-11  Richard Henderson  <rth@redhat.com>
3720
3721         * tree-complex.c (expand_complex_libcall): New.
3722         (expand_complex_multiplication): Use it for c99 compliance.
3723         (expand_complex_division): Likewise.
3724         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3725         (fold): Call them.
3726         * builtins.c (built_in_names): Remove const.
3727         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3728         builtins.
3729         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3730         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3731         (built_in_names): Remove const.
3732         * c-common.c (c_common_type_for_mode): Handle complex modes.
3733         * flags.h, toplev.c (flag_complex_method): Rename from
3734         flag_complex_divide_method.
3735         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3736         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3737         * libgcc2.h: Declare them.
3738         * libgcc-std.ver: Export them.
3739         * mklibgcc.in (lib2funcs): Build them.
3740
3741 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3742
3743         PR tree-optimization/19876
3744         Partially revert my change from 2005-01-14
3745         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3746         (compute_antic): ...and remove the loop here.
3747
3748 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3749
3750         PR middle-end/19858
3751         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3752         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3753
3754         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3755         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3756
3757 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3758
3759         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3760         offsets for the big-endian 32-bit case.
3761
3762 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3763
3764         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3765
3766 2005-02-11  Dale Johannesen  <dalej@apple.com>
3767
3768         * cselib.c (cselib_process_insn):  Clear out regs where
3769         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3770         * reload.c (find_equiv_reg): Ditto.
3771
3772 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3773
3774         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3775         with no elements.
3776
3777         * tree.c (build_function_type_list): Work correctly if there are
3778         no arguments.
3779
3780 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3781
3782         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3783         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3784         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3785         TARGET_ZARCH instead of TARGET_64BIT.
3786
3787 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3788
3789         * config/rs6000/t-rtems:
3790         (MULTILIB_OPTIONS): Remove mcpu=602.
3791         (MUTLILIB_DIRNAMES): Remove m602.
3792         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3793         Let mcpu=602 match mcpu=603.
3794         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3795
3796 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3797
3798         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3799         signal trampolines.
3800
3801 2005-02-10  David Daney  <ddaney@avtrex.com>
3802
3803         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3804         * config/i386/linux-unwind.h: Likewise.
3805         * config/ia64/linux-unwind.h: Likewise.
3806         * config/mips/linux-unwind.h: Likewise.
3807         * config/pa/linux-unwind.h: Likewise.
3808         * config/rs6000/linux-unwind.h: Likewise.
3809         * config/s390/linux-unwind.h: Likewise.
3810         * config/sh/linux-unwind.h: Likewise.
3811         * config/sparc/linux-unwind.h: Likewise.
3812
3813 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3814
3815         PR tree-optimization/17549
3816         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3817         TER to replace a DEF with its expression if the DEF and the
3818         rhs of the expression we replace into have the same root
3819         variable.
3820
3821 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3822
3823         * config/mips/mips.md: Fix the placement of the match_scratch in the
3824         lea64 peephole2.
3825
3826 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3827
3828         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3829         Fix comment typos.
3830
3831 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3832
3833         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3834         (strip_offset): Handle addresses.
3835         (add_address_candidates): Use strip_offset.
3836         (difference_cost): Reflect strip_offset change.
3837         (force_var_cost, difference_cost): Strip nops.
3838
3839 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3840
3841         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3842
3843         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3844         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3845         config/cris/cris-protos.h, config/cris/cris.c: Update
3846         copyright.
3847
3848 2005-02-10  Jeff Law  <law@redhat.com>
3849
3850         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3851         (lookup_avail_expr): Similarly.
3852
3853 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3854
3855         * builtins.c (fold_builtin_powi): New function.
3856         (fold_builtin_1): Call it.
3857
3858 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3859
3860         PR documentation/19309
3861         * doc/cpp.texi: The __GNUC__ and related predefined macros
3862         are also defined for the "standalone" cpp.
3863         Some non-GCC compilers may also define __GNUC__.
3864
3865 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3866
3867         PR c/19342
3868         * c-typeck.c (common_type): New routine.  Old common_type renamed
3869         to...
3870         (c_common_type): ...this.
3871         (build_conditional_expr, build_binary_op): Use c_common_type instead
3872         of common_type.
3873
3874 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3875
3876         * doc/md.texi: Replace @samp{length} with @code{length}.
3877
3878 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3879
3880         PR tree-optimization/18687
3881         * tree-flow.h (find_loop_niter): Declare.
3882         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3883         Try using scev even for loops with more than one exit.
3884         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3885         (struct ivopts_data): Added niters field.
3886         (struct nfe_cache_elt): New.
3887         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3888         functions.
3889         (tree_ssa_iv_optimize_init): Initialize niters cache.
3890         (determine_number_of_iterations): Removed.
3891         (find_induction_variables): Do not call determine_number_of_iterations.
3892         Access niters for single exit through niter_for_single_dom_exit.
3893         (add_iv_outer_candidates): Access niters for single exit through
3894         niter_for_single_dom_exit.
3895         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3896         number_of_iterations_cond.
3897         (iv_period): New function.
3898         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3899         (may_replace_final_value): Take data argument.  Use
3900         niter_for_single_dom_exit.
3901         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3902         (rewrite_use_compare): Pass data to may_eliminate_iv.
3903         (rewrite_use_outer): Pass data to may_replace_final_value.
3904         (free_loop_data): Clean up the niters cache.
3905         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3906         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3907         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3908         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3909         (num_ending_zeros): Moved to tree.c.
3910         * tree.h (num_ending_zeros): Declare.
3911         * tree.c (num_ending_zeros): Moved from tree.c.
3912
3913 2005-02-09  Richard Henderson  <rth@redhat.com>
3914
3915         * builtins.c (DEF_BUILTIN): Add COND argument.
3916         * tree.h (DEF_BUILTIN): Likewise.
3917         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3918         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3919         match.
3920         (DEF_BUILTIN_STUB): New.
3921         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3922         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3923         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3924         * c-common.c (DEF_BUILTIN): Add COND argument.
3925         * tree.c (local_define_builtin): New.
3926         (build_common_builtin_nodes): New.
3927
3928 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3929
3930         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3931         floating point expression ignoring the sign of the result.
3932         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3933         (fold) <MULT_EXPR>: Use it to simplify x*x.
3934         * tree.h (fold_strip_sign_ops): Prototype here.
3935         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3936         argument.  Use fold_strip_sign_ops to simplify the first argument.
3937         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3938         first argument when the second argument is an even integer
3939         constant, but only with -funsafe_math_optimizations.
3940         (fold_builtin_1): Update call to fold_builtin_copysign.
3941
3942 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3943
3944         PR middle-end/19583
3945         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3946         just check whether EH_FILTER_FAILURE falls through.
3947
3948 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3949
3950         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3951         insns return to ready list in the next turn.
3952
3953 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3954
3955         PR middle-end/19402
3956         * builtins.def: New __builtin_powi[lf].
3957         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3958         (expand_builtin_powi): New function.
3959         (expand_builtin): Dispatch to expand_builtin_powi.
3960         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3961         * libgcc2.c: Add __builtin_powi[lf] implementation.
3962         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3963         * optabs.h: Add powi_optab.
3964         * optabs.c (init_optabs): Initialize powi_optab.
3965         * doc/extend.texi: Document __builtin_powi[lf].
3966
3967 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3968
3969         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3970         exists.
3971
3972 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3973
3974         PR middle-end/19854
3975         * fold-const.c (try_move_mult_to_index): Remove redundant
3976         type argument.  Create ADDR_EXPR with correct type.
3977         (fold): Update callers of try_move_mult_to_index.  Convert
3978         result to the appropriate type.
3979
3980 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3981
3982         PR target/19597
3983         * config/avr/avr.c (default_rtx_costs): Delete.
3984         (avr_operand_rtx_cost): New function.
3985         (avr_rtx_costs): Completely rewrite.
3986
3987 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3988
3989         PR target/19806
3990         * config/cris/cris.c (in_code): New variable.
3991         (cris_output_addr_const): Now a static function, a wrapper for
3992         output_addr_const.
3993         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3994         case from old cris_output_addr_const.
3995         (cris_asm_output_label_ref): Similar for LABEL_REF.
3996         (cris_output_addr_const_extra): Similar for UNSPEC.
3997         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3998         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3999         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4000         declaration.
4001         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4002         (cris_asm_output_label_ref): Declare.
4003
4004 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4005
4006         PR preprocessor/19801
4007         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4008         filenames that changed when libcpp was moved to the toplevel.
4009
4010 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4011
4012         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4013         zero extensions of BImode operands.  Call lowpart_subreg instead
4014         of gen_lowpart_common and gen_lowpart_SUBREG.
4015
4016 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4017
4018         PR ada/19489
4019         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4020         * configure.ac: Set cc_for_cross_gnattools.
4021         * configure: Regenerate.
4022
4023 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4024
4025         PR target/19803
4026         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4027
4028 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4029
4030         PR debug/19327
4031         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4032         of nested functions.
4033
4034 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4035
4036         * doc/extend.texi: Document deprecated extensions allowing
4037         static floating-point members to have initializers and allowing
4038         floating-point literals in integral constant expressions.
4039
4040 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4041
4042         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4043         config/darwin7.h, config/mips/mips.c,
4044         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4045         Update copyright.
4046
4047         * cse.c: Update comments.
4048
4049 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4050
4051         PR middle-end/19775
4052         * builtins.c (fold_builtin_sqrt): Transform
4053         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4054         pow(x,y*0.5).
4055
4056 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4057             Dorit Naishlos  <dorit@il.ibm.com>
4058
4059         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4060         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4061         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4062         was added.
4063         * tree.h (vect_set_verbosity_level): New extern function declaration
4064         added.
4065         * tree-vectorizer.h (verbosity_levels): New enum type.
4066         * tree-vectorizer.c (vect_debug_stats): Function removed.
4067         (vect_debug_details): Likewise.
4068         (vect_verbosity_level): Global variable was defined and initialized.
4069         (vect_dump): Global variable definition.
4070         (vect_print_dump_info): New function.
4071         (vect_set_dump_settings): New function.
4072         (vect_set_verbosity_level): New function.
4073         (vectorize_loops): Add call to vect_set_dump_settings.
4074
4075         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4076         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4077         (slpeel_tree_peel_loop_to_edge): Likewise.
4078
4079         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4080         appropriate verbosity level instead of call to vect_debug_details
4081         or vect_debug_stats.
4082         (vect_get_base_and_offset):
4083         (vect_create_addr_base_for_vector_ref):
4084         (get_vectype_for_scalar_type):
4085         (vect_create_data_ref_ptr):
4086         (vect_init_vector):
4087         (vect_get_vec_def_for_operand):
4088         (vect_finish_stmt_generation):
4089         (vectorizable_assignment):
4090         (vectorizable_operation):
4091         (vectorizable_store):
4092         (vectorizable_load):
4093         (vect_transform_stmt):
4094         (vect_update_ivs_after_vectorizer):
4095         (vect_do_peeling_for_loop_bound):
4096         (vect_update_inits_of_drs):
4097         (vect_do_peeling_for_alignment):
4098         (vect_transform_loop):
4099         (vect_is_simple_use):
4100         (vect_analyze_operations):
4101         (vect_is_simple_iv_evolution):
4102         (vect_analyze_scalar_cycles):
4103         (vect_analyze_data_ref_dependence):
4104         (vect_analyze_data_ref_dependences):
4105         (vect_compute_data_ref_alignment):
4106         (vect_enhance_data_refs_alignment):
4107         (vect_analyze_data_refs_alignment):
4108         (vect_analyze_data_ref_access):
4109         (vect_analyze_data_ref_accesses):
4110         (vect_analyze_pointer_ref_access):
4111         (vect_get_memtag_and_dr):
4112         (vect_analyze_data_refs):
4113         (vect_mark_relevant):
4114         (vect_stmt_relevant_p):
4115         (vect_mark_stmts_to_be_vectorized):
4116         (vect_can_advance_ivs_p):
4117         (vect_get_loop_niters):
4118         (vect_analyze_loop_form):
4119         (vect_analyze_loop):
4120         (vectorize_loops): Likewise.
4121
4122         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
4123         (vect_update_inits_of_drs):
4124         (vect_do_peeling_for_alignment):
4125         (vect_transform_loop):
4126         (vect_analyze_operations):
4127         (vect_analyze_scalar_cycles):
4128         (vect_analyze_data_ref_dependences):
4129         (vect_analyze_data_refs_alignment):
4130         (vect_analyze_data_ref_accesses):
4131         (vect_analyze_data_refs):
4132         (vect_mark_stmts_to_be_vectorized):
4133         (vect_get_loop_niters):
4134         (vect_analyze_loop_form):
4135         (vect_analyze_loop): Likewise.
4136         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
4137
4138 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
4139
4140         PR bootstrap/19796
4141         Revert:
4142         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4143         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4144         either -ffast-math or -funsafe-math-optimizations is in use.
4145
4146         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4147         * config/mips/irix-csr.c: New file.
4148         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4149         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4150         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4151         executables.
4152
4153 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
4154
4155         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
4156         redundant, incorrect definitions.
4157
4158         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
4159         expand.
4160         ("*tls_indirect_call"): New, reference hard regs directly.
4161         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
4162
4163 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4164
4165         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
4166         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
4167
4168 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4169
4170         PR rtl-optimization/19800
4171         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
4172         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
4173         gen_lowpart.
4174
4175 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4176
4177         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
4178
4179 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
4180
4181         PR other/17135
4182         * doc/invoke.texi: Correct documentation of -freorder-functions.
4183
4184 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4185
4186         PR other/14402
4187         * doc/invoke.texi: Don't mention gccbug.
4188
4189 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4190             Andrew Pinski  <pinskia@physics.uc.edu>
4191             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
4192
4193         * simplify-rtx.c (simplify_relational_operation_1): Simplify
4194         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
4195         into just (zero_extract:SI FOO (const_int 1) BAR).
4196
4197 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4198
4199         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
4200         macro locally.  Don't give last revision date.  Use GCC version
4201         number from gcc-common.texi.
4202         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
4203         revision date.  Use GCC version number from gcc-common.texi.
4204         Describe being a library as current state rather than as 3.x
4205         history.
4206         * doc/gcc.texi: Remove last update date.
4207         * doc/gccint.texi: Likewise.  Update copyright dates.
4208         * doc/install.texi: Update copyright dates.
4209
4210 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4211
4212         PR other/7549
4213         * doc/invoke.texi: Mention for each option included in -Wall that
4214         it is included in -Wall.
4215         * doc/gcc.texi: Update copyright and last modification date.
4216
4217 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4218
4219         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
4220         unnecessary cast to original induction variable increments.
4221
4222 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4223
4224         PR tree-optimization/18219
4225         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
4226         in distributed form.
4227
4228 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
4229
4230         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
4231         Set bitpos and offset later in the function.  Do nothing if the
4232         target is a register and if the bitfield lies completely outside
4233         that register.
4234         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
4235         here.  Return an uninitialised register if the source value is stored
4236         in a register and the bitfield lies completely outside that register.
4237
4238 2005-02-06  Steven Bosscher  <stevenb@suse.de>
4239
4240         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
4241         not SET_DEST.
4242
4243 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
4244
4245         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
4246
4247 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
4248
4249         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
4250         * config/darwin8.h: New.
4251         * config/darwin7.h: Update comment.
4252
4253 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4254             Dorit Naishlos  <dorit@il.ibm.com>
4255
4256         * tree-vectorizer.h (LOC): New type.
4257         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
4258         (loop_line_number): New field in struct _loop_vec_info.
4259         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
4260
4261         * tree-vectorizer.c (input.h): Included.
4262         (find_loop_location): New function.
4263         (vect_debug_stats): Argument changed from loop to LOC. Computation of
4264         loop line number removed.
4265         (vect_debug_details): Likewise.
4266         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
4267
4268         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
4269         call to vect_debug_details/stats changed from loop to loop_loc.
4270         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4271         (slpeel_tree_peel_loop_to_edge): Likewise.
4272
4273         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
4274         changed from NULL to UNKNOWN_LOC.
4275         (vect_get_base_and_offset):
4276         (vect_create_addr_base_for_vector_ref):
4277         (get_vectype_for_scalar_type):
4278         (vect_create_data_ref_ptr):
4279         (vect_init_vector):
4280         (vect_get_vec_def_for_operand):
4281         (vect_finish_stmt_generation):
4282         (vectorizable_assignment):
4283         (vectorizable_operation):
4284         (vectorizable_store):
4285         (vectorizable_load):
4286         (vect_transform_stmt):
4287         (vect_update_ivs_after_vectorizer):
4288         (vect_do_peeling_for_loop_bound):
4289         (vect_do_peeling_for_alignment):
4290         (vect_transform_loop):
4291         (vect_is_simple_use):
4292         (vect_analyze_operations):
4293         (vect_is_simple_iv_evolution):
4294         (vect_analyze_scalar_cycles):
4295         (vect_analyze_data_ref_dependences):
4296         (vect_compute_data_ref_alignment):
4297         (vect_enhance_data_refs_alignment):
4298         (vect_analyze_data_ref_access):
4299         (vect_analyze_data_ref_accesses):
4300         (vect_analyze_pointer_ref_access):
4301         (vect_get_memtag_and_dr):
4302         (vect_analyze_data_refs):
4303         (vect_mark_relevant):
4304         (vect_stmt_relevant_p):
4305         (vect_mark_stmts_to_be_vectorized):
4306         (vect_can_advance_ivs_p):
4307         (vect_get_loop_niters):
4308         (vect_analyze_loop):
4309         (vectorize_loops): Likewise.
4310
4311         (vectorizable_load): Argument in call to vect_debug_details/stats
4312         changed from loop to LOOP_LOC (loop_vinfo).
4313         (vect_transform_loop):
4314         (vect_analyze_operations):
4315         (vect_analyze_scalar_cycles):
4316         (vect_analyze_data_ref_dependence):
4317         (vect_enhance_data_refs_alignment):
4318         (vect_analyze_data_ref_accesses):
4319         (vect_analyze_pointer_ref_access):
4320         (vect_analyze_data_refs):
4321         (vect_analyze_loop): Likewise.
4322
4323         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
4324         changed from loop to loop_loc.
4325
4326         (vect_enhance_data_refs_alignment): Removed unused variable loop.
4327
4328 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4329             Dorit Naishlos  <dorit@il.ibm.com>
4330
4331         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
4332         declaration added.
4333         (vect_analyze_data_ref_dependences): Likewise.
4334
4335         (vect_is_simple_use): Argument changed from loop structure to
4336         loop_vect_info structure.
4337         (vect_can_advance_ivs_p): Likewise.
4338         (vect_create_index_for_vector_ref): Likewise.
4339         (vect_update_ivs_after_vectorizer): Likewise.
4340         (new_stmt_vec_info): Likewise.
4341
4342         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4343         changed from loop to loop_vinfo.
4344         (vect_create_data_ref_ptr): First argument in call to
4345         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4346         (vectorizable_assignment): Second argument in call to vect_is_simple_use
4347         was changed from loop to loop_vinfo.
4348         (vectorizable_operation): Likewise.
4349         (vectorizable_store): Likewise.
4350         (vect_mark_stmts_to_be_vectorized): Likewise.
4351         (vect_do_peeling_for_loop_bound): First argument in call to
4352         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4353         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4354         was changed from loop to loop_vinfo.
4355         (vect_analyze_data_ref_dependences): Third argument in call to
4356         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4357
4358         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4359         (vect_create_data_ref_ptr): Likewise.
4360         (vect_init_vector): Likewise.
4361         (vect_get_vec_def_for_operand): Likewise.
4362         (vectorizable_assignment): Likewise.
4363         (vectorizable_operation): Likewise.
4364         (vectorizable_store): Likewise.
4365         (vectorizable_load): Likewise.
4366         (vect_update_ivs_after_vectorizer): Likewise.
4367         (vect_is_simple_use): Likewise.
4368         (vect_analyze_data_ref_dependence): Likewise.
4369         (vect_analyze_pointer_ref_access): Likewise.
4370         (vect_can_advance_ivs_p): Likewise.
4371
4372         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4373         before _stmt_vec_info.
4374         (_stmt_vec_info): Loop field replaced by loop_vec_info.
4375         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4376         (new_stmt_vec_info): Argument changed from loop structure to
4377         loop_vect_info structure
4378
4379         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4380         (vect_analyze_offset_expr): Avoid 80 columns overflow.
4381         (vect_create_addr_base_for_vector_ref): Likewise.
4382         (vect_analyze_pointer_ref_access): Likewise.
4383
4384 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4385
4386         PR tree-opt/19768
4387         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4388         phi flag if the phi is abnormal.
4389
4390 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4391
4392         PR tree-opt/19736
4393         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4394         information for the new statement.
4395
4396 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4397
4398         PR driver/19117
4399         * gcc.c (main): Include the target in -v output.
4400
4401 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
4402
4403         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4404         Do not drop the extend if we'd have to add a paradoxical subreg
4405         later.  Include optabs.h and insn-codes.h.
4406         * Makefile.in (combine.o): Depend on $(OPTABS_H).
4407
4408 2005-02-02  Roger Sayle  <roger@eyesopen.com>
4409
4410         PR middle-end/19405
4411         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4412         * fold-const.c (const_binop): Avoid constant folding floating
4413         point operations in modes that use composite representations.
4414         * simplify-rtx.c (simplify_binary_operation): Likewise.
4415
4416 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
4417
4418         * config/rs6000/altivec.md (altivec_dst): Make the first operand
4419         a REG, not a MEM.
4420         (altivec_dstt): Likewise.
4421         (altivec_dstst): Likewise.
4422         (altivec_dststt): Likewise.
4423         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4424         of first operand.
4425
4426 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4427
4428         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4429         EXPR_LOCUS from orig_cond to the new cond_stmt.
4430         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4431         the new vec_stmt.
4432
4433 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4434
4435         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4436         standard_iv_increment_position. Remove call to bsi_next
4437         (no need to bump the iterator anymore).
4438         (vect_create_index_for_vector_ref): Call
4439         standard_iv_increment_position. Remove second function argument.
4440         (vect_finish_stmt_generation): Remove call to bsi_next
4441         (no need to bump the iterator anymore).
4442         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4443         to vect_create_index_for_vector_ref.
4444
4445 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4446
4447         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4448         phis are used out of the loop.
4449
4450 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4451
4452         PR c/17807
4453         * c-decl.c (undef_nested_function): New variable.
4454         (pop_scope): Diagnose undefined nested functions.
4455         (finish_function): Don't attempt cgraph processing or genericizing
4456         if current top-level function contained an undefined nested
4457         function.  Reset undef_nested_function at the end of a top-level
4458         function.
4459
4460 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
4461
4462         * tree.c (build_int_cst_type): Take sign of the value into account
4463         when deciding whether sign extend the value.
4464
4465 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4466
4467         PR c/18502
4468         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4469         (cpp_options, cc1_options): Change %{std*&ansi} to
4470         %{std*&ansi&trigraphs}.
4471
4472 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4473
4474         * cse.c: Update comments.
4475
4476 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
4477
4478         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4479         arguments go on the stack.  Do not put complex doubles in odd/even
4480         pairs.
4481
4482 2005-02-02  Steven Bosscher  <stevenb@suse.de>
4483
4484         * doc/invoke.texi: Update the options enabled at -O1, -O2,
4485         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
4486         -ftree-pre, and -fthread-jumps.
4487
4488 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
4489
4490         PR tree-optimization/19578
4491         * tree-flow.h (modified_noreturn_calls): Declare.
4492         (noreturn_call_p): Declare.
4493         * tree-flow-inline.h (noreturn_call_p): New function.
4494         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4495         * tree-cfg.c (modified_noreturn_calls): New variable.
4496         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
4497         that contain a mid-block noreturn call.
4498         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4499
4500 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4501
4502         * df.c (df_def_record_1, df_uses_record): Don't use
4503         DF_FOR_REGALLOC.
4504         * df.h (DF_FOR_REGALLOC): Remove.
4505
4506 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4507
4508         PR c/19435
4509         * c-typeck.c (really_start_incremental_init): Reset
4510         constructor_max_index for arrays of incomplete type.
4511
4512 2005-02-02  Jeff Law  <law@redhat.com>
4513
4514         * gcse.c (struct reg_set): Store the block index where the register
4515         was set rather than the setting insn.
4516         (record_one_set, compute_transp): Corresponding changes.
4517         (pre_insert_copy_insn): Do not call replace_one_set.
4518         (replace_one_set): Remove.
4519
4520 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4521
4522         PR other/15514
4523         * doc/gcov.texi: Fix typo.
4524
4525 2005-02-01  Richard Henderson  <rth@redhat.com
4526
4527         PR target/19680
4528         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4529         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4530         type to bool.
4531         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4532         * config/i386/i386-protos.h: Update.
4533
4534 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4535
4536         PR tree-optimization/19217
4537         * tree-cfg.c (verify_expr): Use the data field to see if TP was
4538         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
4539         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4540         that it is walking a PHI node.
4541
4542 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
4543
4544         * doc/extend.texi (Nested Functions): Update.
4545
4546 2005-02-01  Richard Henderson  <rth@redhat.com>
4547
4548         PR 19696
4549         * optabs.c (expand_copysign_absneg): Export.
4550         * optabs.h (expand_copysign_absneg): Declare.
4551         * config/rs6000/rs6000.md (copysigntf3): New.
4552
4553 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4554
4555         PR tree-optimization/19633
4556         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4557         * tree-ssa-alias.c (init_alias_info): Initialize.
4558         (merge_pointed_to_info): Set.
4559         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4560         (dump_points_to_info_for): Show value of pt_null.
4561         (struct count_ptr_d): Declare.
4562         (find_ptr_dereference): Remove.
4563         (ptr_is_dereferenced_by): Remove.
4564         (count_ptr_derefs): New local function.
4565         (count_uses_and_derefs): New local function.
4566         (compute_points_to_and_addr_escape): Call it.  If the number
4567         of dereferences is greater than zero, mark the pointer as
4568         dereferenced.  If there are fewer dereferences than uses of
4569         the pointer, the pointer's value escapes.
4570
4571 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4572
4573         PR tree-optimization/19670
4574         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4575         here...
4576         (verify_use): ... set it here, instead.
4577
4578 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
4579
4580         * doc/sourcebuild.texi (Test directives): Fix formatting.
4581
4582         * doc/sourcebuild.texi (Test directives): Describe selector
4583         expressions.
4584
4585 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
4586
4587         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4588         specific 64-bit CPUs.
4589
4590 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
4591
4592         PR target/16201
4593         * arm.c (arm_eliminable_register): New function.
4594         (adjacent_mem_locations): Don't allow eliminable registers.  Use
4595         HOST_WIDE_INT for address offsets.
4596         * arm-protos.h (arm_eliminable_register): Add prototype.
4597
4598 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4599
4600         PR optimization/15242
4601         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4602         * basic-block.h (duplicate_computed_gotos): Add prototype.
4603         * bb-reorder.c (duplicate_computed_gotos): New function to
4604         duplicate sufficiently small blocks ending in a computed jump.
4605         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4606         if not optimizing for size.
4607         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4608         never do tail merging for blocks ending in a computed jump.
4609         * doc/invoke.texi: Document the max-goto-duplication-insns param.
4610
4611 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
4612
4613         Patch from Richard Sandiford <rsandifo@redhat.com>
4614         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4615         from inheriting a subreg equivalence with a non-spill register.
4616
4617         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4618
4619 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
4620
4621         * config/frv/frv.c (movcc_fp_destination_operand): New.
4622         (gpr_or_memory_operand): Fix typo in comment.
4623         (gpr_or_memory_operand_with_scratch): New.
4624         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4625         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4626         movcc_fp_destination_operand.
4627         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4628         Legitimize memory addresses using a scratch register.
4629
4630 2005-01-31  Jeff Law  <law@redhat.com>
4631
4632         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4633         bitmap a sparse bitmap instead of a simple bitmap.
4634         (mark_def_sites_initialize_block):  Corresponding changes.
4635         (ssa_mark_def_sites_initialize_block): Likewise.
4636         (ssa_mark_phi_uses): Likewise.
4637         (mark_def_site, ssa_mark_def_sites): Likewise.
4638         (mark_def_site_blocks): Likewise.
4639         (rewrite_ssa_into_ssa): Likewise.
4640
4641         * tree-ssa-dom.c (record_cond): Pass correct variable type
4642         for last argument to htab_find_slot_with_hash.
4643
4644         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4645         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4646
4647 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4648
4649         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4650         1_mmalua.
4651
4652 2005-02-01  Eric Christopher  <echristo@redhat.com>
4653
4654         * config/mips/mips.c (override_options): Warn if -mint64
4655         is used.
4656         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4657         deprecated.
4658
4659 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4660
4661         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4662         timestamp.
4663         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4664         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4665         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4666         (cached_regno): Initialize to INVALID_REGNUM.
4667         (cse_reg_info_table_size,
4668         cse_reg_info_table_first_uninitialized,
4669         cse_reg_info_timestamp): New.
4670         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4671         get_cse_reg_info.
4672         (init_cse_reg_info, get_cse_reg_info_1): New.
4673         (get_cse_reg_info): Cache the last look-up.
4674         (new_basic_block): Update the code to clear mappings from
4675         registers to cse_reg_info entries.
4676         (cse_main): Call init_cse_reg_info.
4677
4678         * cse.c (get_cse_reg_info): Update a comment.
4679
4680 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4681
4682         PR c/19333
4683         * c-decl.c (start_decl): Do not warn about arrays of elements with
4684         an incomplete type here.
4685         (grokdeclarator): Do it here by making a pedwarn an error.
4686         * c-typeck.c (push_init_level): If there were previous errors with
4687         the constructor type, do not warn about braces for initializers.
4688         (process_init_element): Likewise for excess initializer elements.
4689
4690 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4691
4692         * cse.c (delete_trivially_dead_insn): Don't iterate.
4693
4694 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4695
4696         * config/rs6000/rs6000.md (copysignsf3): New expand.
4697         (copysigndf3): Likewise.
4698
4699 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4700
4701         * recog.c (constrain_operands): Only look for earlyclobber operand
4702         conflicts if an '&' constraint was seen.
4703
4704 2005-01-31  Marc Espie <espie@openbsd.org>
4705
4706         * config.gcc: Don't include embedded systems fragment, switches default
4707         debugging format to ELF.
4708         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4709         longer pick it up there.
4710
4711 2005-01-31  Dale Johannesen  <dalej@apple.com>
4712
4713         * doc/extend.texi (nested functions): Fix linkage description.
4714         Clarify that static is not allowed.
4715
4716 2005-01-31  Dale Johannesen  <dalej@apple.com>
4717
4718         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4719         (movdf_low_di):  Make work.
4720
4721 2005-01-31  Dale Johannesen  <dalej@apple.com>
4722
4723         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4724         Make work for 64 bit.
4725
4726 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4727             Dale Johannesen  <dalej@apple.com>
4728
4729         PR middle-end/19650
4730         * fold-const.c (fold_binary_op_with_conditional_arg):
4731         Make types match original operands, before STRIP_NOPS.
4732
4733 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4734
4735         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4736         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4737         (struct gcc_sigcontext): Delete.  Merge contents to..
4738         (struct gcc_ucontext): ..here.
4739         (get_sigcontext): Delete.
4740         (get_regs): New function, like get_sigcontext but return regs ptr.
4741         64-bit version finds regs from r1 to support vdso.
4742         (ppc_linux_aux_vector): New function.
4743         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4744         and vector regs.
4745
4746 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4747
4748         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4749         sizetype.
4750         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4751         redundant fold. Fix misalignment for MINUS_EXPR.
4752         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4753         (vect_analyze_pointer_ref_access): Likewise.
4754         (vect_get_memtag_and_dr): Likewise.
4755
4756 2005-01-31  Richard Henderson  <rth@redhat.com>
4757
4758         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4759         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4760         absnegdf2_i387, absnegxf2_i387): Likewise.
4761
4762 2005-01-31  Richard Henderson  <rth@redhat.com>
4763
4764         PR 19696
4765         * optabs.c (expand_copysign_absneg): New.
4766         (expand_copysign_bit): Split out from ...
4767         (expand_copysign): ... here.  Use expand_copysign_absneg.
4768
4769 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4770
4771         PR middle-end/19697
4772         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4773         constant as the second operand and a register as the third.
4774
4775 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4776
4777         PR target/19704
4778         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4779         that dllimport'd functions do not use all call-clobbered registers
4780         to pass parameters.
4781
4782 2005-01-30  Richard Henderson  <rth@redhat.com>
4783
4784         PR 19696
4785         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4786         expand_abs_nojump and generalize.  Use operand_subword and
4787         emit_no_conflict_block.  Support large modes.
4788         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4789         back to maximum.
4790         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4791         negation to subtraction.
4792         (expand_copysign): Check that the format has signed zeros.
4793         Use operand_subword and emit_no_conflict_block.  Support large modes.
4794
4795 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4796
4797         Fix PR tree-optimization/19624
4798
4799         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4800         * tree-ssa-pre.c: Add cfgloop.h.
4801         Update comment.
4802         (pre_stats): New member, constified.
4803         (inserted_exprs): New static variable.
4804         (NECESSARY): New macro.
4805         (create_expression_by_pieces): Fold the expression, and
4806         mark it as defaulting to not necessary. Also put in
4807         inserted_exprs.
4808         (fully_constant_expression): New function.
4809         (insert_into_preds_of_block): Modify to not insert phis when we
4810         are playing with induction variables.
4811         Push phis onto the inserted_exprs vector, and mark them as not
4812         necessary by default.
4813         (insert_aux): Call fully_constant_expression on eprime.
4814         If all edges produce the same value, mark it constant.
4815         (mark_operand_necessary): New function.
4816         (remove_dead_inserted_code): New function.
4817         (init_pre): Init loop optimizer to get loop info.
4818         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4819         (execute_pre): Commit edge inserts, then remove dead code.
4820
4821 2005-01-30  Richard Henderson  <rth@redhat.com>
4822
4823         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4824         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4825
4826 2005-01-30  Richard Henderson  <rth@redhat.com>
4827
4828         PR target/19700
4829         * config/i386/i386.c (ix86_expand_copysign): New.
4830         (ix86_split_copysign_const): New.
4831         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4832         rearrange op1/nmask operands.
4833         * config/i386/i386-protos.h: Update.
4834         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4835         (copysigndf3): Likewise.
4836         (copysignsf3_const, copysigndf3_const): New.
4837         (copysignsf3_var): Rename from copysignsf3, split out splitter
4838         and fix split predicate for X constraint.
4839         (copysigndf3_var): Similarly.
4840
4841 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4842
4843         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4844         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4845         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4846
4847 2005-01-29  Richard Henderson  <rth@redhat.com>
4848
4849         PR target/19690
4850         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4851         of # and * in constraints.
4852
4853 2005-01-29  Richard Henderson  <rth@redhat.com>
4854
4855         PR middle-end/19689
4856         * expr.c (store_field): Don't strip sub-mode cast when the input
4857         data is even smaller.
4858
4859 2005-01-29  Richard Henderson  <rth@redhat.com>
4860
4861         PR middle-end/19687
4862         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4863         union being empty.
4864
4865 2005-01-29  Richard Henderson  <rth@redhat.com>
4866
4867         * combine.c (make_field_assignment): Fix argument order
4868         to gen_int_mode.
4869
4870 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4871
4872         PR tree-optimization/15791
4873         * fold-const.c (extract_array_ref): New function.
4874         (fold): Fold comparisons between &a[i] and &a[j] or
4875         semantically equivalent trees.
4876
4877 2005-01-29  Jeff Law  <law@redhat.com>
4878
4879         * gcse.c (insert_expr_in_table): Revamp handling of available
4880         and anticipatable occurrence lists to avoid unnecessary list
4881         walking.
4882         (insert_set_in_table): Similarly.
4883
4884 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4885
4886         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4887         build string type.
4888         (c_build_qualified_type): Build qualified array types with
4889         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4890         * c-decl.c (c_make_fname_decl): Build unqualified array type
4891         before qualified type.
4892         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4893         type is qualified, not just if type itself is.  Don't apply
4894         qualifiers to array type when declarator is processed.  Apply
4895         qualifiers to field type whether or not it is an array type.
4896         Don't handle array types specially for applying qualifiers to
4897         variables.
4898         * c-typeck.c (composite_type): Build unqualified element type and
4899         array type when forming composite of array types.
4900         (common_pointer_type, comptypes, comp_target_types,
4901         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4902         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4903         types.
4904         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4905         (args2) in variables a1 and a2.
4906
4907 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4908
4909         * cse.c (n_elements_made, max_elements_made): Remove.
4910         (insert): Don't touch n_elements_made.
4911         (cse_main): Don't touch n_elements_made or max_elements_made.
4912
4913 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4914
4915         PR target/15384
4916         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4917         configuration part of dp-bit.c to be lost.
4918
4919 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4920
4921         * expmed.c (expand_mult_highpart_optab): When attempting to use
4922         a non-widening multiplication in a wider mode, the operands need
4923         to be converted (zero or sign extended) to that mode.
4924
4925 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4926
4927         PR middle-end/16558
4928         PR middle-end/19583
4929         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4930         through if both operands fall through.
4931
4932 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4933
4934         * cse.c (fold_rtx) <PC>: Don't optimize.
4935
4936 2005-01-28  Jeff Law  <law@redhat.com>
4937
4938         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4939         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4940
4941 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4942
4943         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4944         cse_reg_info_used_list_end): Remove.
4945         (cse_reg_info_list, cse_reg_info_list_free): New.
4946         (get_cse_reg_info): When allocating an instance of
4947         cse_reg_info, add it to the beginning of the cse_reg_info_list
4948         list.  Remove code to maintain cse_reg_info_used_list.
4949         (new_basic_block): Reset the free list to the beginning of
4950         cse_reg_info_list.
4951
4952 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4953
4954         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4955         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4956         (frv_expand_mdpackh_builtin): New function.
4957         (frv_expand_builtin): Use it to expand __MDPACKH.
4958         * doc/extend.texi (__MDPACKH): Update documentation.
4959
4960 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4961
4962         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4963         SSE_FLOAT_MODE_P for use_sse computation.
4964
4965 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4966
4967         PR target/19663
4968         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4969
4970 2005-01-27  Richard Henderson  <rth@redhat.com>
4971
4972         * builtins.c (expand_builtin_copysign): New.
4973         (expand_builtin): Call it.
4974         * genopinit.c (optabs): Add copysign_optab.
4975         * optabs.c (init_optabs): Initialize it.
4976         (expand_copysign): New.
4977         * optabs.h (OTI_copysign, copysign_optab): New.
4978         (expand_copysign): Declare.
4979
4980         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4981         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4982
4983         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4984         (ix86_expand_fp_absneg_operator): ... here.
4985         (ix86_split_copysign): New.
4986         * config/i386/i386-protos.h: Update.
4987         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4988         (copysignsf3, copysigndf3): New.
4989
4990         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4991         (copysignsf3, ncopysignsf3): New.
4992         (copysigndf3, ncopysigndf3): New.
4993         (copysignxf3, ncopysignxf3): New.
4994         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4995
4996 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4997             Kazu Hirata  <kazu@cs.umass.edu>
4998
4999         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5000         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5001         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5002         NULL_RTX.
5003
5004 2005-01-27  Jeff Law  <law@redhat.com>
5005
5006         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5007         definitions of SSA_NAMEs which are not being rewritten.
5008         (rewrite_ssa_into_ssa): Only initialize the current definition
5009         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5010         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5011         SSA_NAMEs before returning.
5012
5013 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5014
5015         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5016         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5017         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5018         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5019         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5020
5021 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5022
5023         PR middle-end/17278
5024         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5025         higher to -O2 and higher.  Likewise for tree PRE.
5026         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5027         and better.
5028
5029 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5030
5031         PR middle-end/19583
5032         * gimple-low.c (try_catch_may_fallthru): New static function.
5033         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5034         * tree-inline.c (expand_call_inline): Don't warn about reaching
5035         the end of a non-void function being inlined if the function uses
5036         a return slot.
5037
5038 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5039
5040         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5041
5042         PR c/18946
5043         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5044         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5045         (implicitly_declare): Handle error_mark_node.
5046
5047 2005-01-27  Richard Henderson  <rth@redhat.com>
5048
5049         PR tree-opt/14329
5050         * tree.h (struct tree_decl): Add debug_expr_is_from.
5051         (DECL_DEBUG_EXPR_IS_FROM): New.
5052         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5053         * dwarf2out.c (dwarf2out_var_location): Update to match.
5054         * tree-outof-ssa.c (create_temp): Likewise.
5055         * var-tracking.c (track_expr_p): Likewise.
5056         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5057         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5058         * toplev.c (default_tree_printer): Likewise.
5059
5060 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5061
5062         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5063         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5064
5065 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5066
5067         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5068         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5069         ASM_CLOBBERS): Add tree checks.
5070
5071         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5072         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5073         * c-common.def (SWITCH_STMT): Update to match.
5074         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5075         macros instead of SWITCH_EXPR ones.
5076         * c-dump.c (c_dump_tree): Likewise.
5077         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5078         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5079
5080         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5081
5082 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5083
5084         * unwind-dw2.c (execute_stack_op): Add missing cases for
5085         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5086
5087 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5088
5089         * config.gcc (Obsolete configurations): Remove 'dummy', add
5090         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5091         sparc-*-openbsd*.
5092
5093 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5094
5095         PR tree-optimization/19633
5096         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5097         CALL_EXPRs.
5098         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
5099         are no call-clobbered variables.
5100         * tree-outof-ssa.c (check_replaceable): Return false for calls
5101         with side-effects.
5102
5103 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
5104
5105         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
5106         even for variables with NULL DECL_INITIAL.
5107
5108 2005-01-26  Stuart Hastings  <stuart@apple.com>
5109
5110         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
5111
5112 2005-01-26  Richard Henderson  <rth@redhat.com>
5113
5114         PR middle-end/18008
5115         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5116         field's type.
5117         * expr.c (store_field): Strip conversions to odd-bit-sized types
5118         if the destination field width matches.
5119
5120 2005-01-26  Richard Henderson  <rth@redhat.com>
5121
5122         * c-decl.c, expmed.c, expr.c: Revert last change.
5123
5124 2005-01-26  Richard Henderson  <rth@redhat.com>
5125
5126         PR middle-end/18008
5127         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5128         field's type.
5129         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
5130         if we don't need the bits above those present in the current mode.
5131         * expr.c (store_field): Strip conversions to odd-bit-sized types
5132         if the destination field width matches.
5133
5134 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5135
5136         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5137         either -ffast-math or -funsafe-math-optimizations is in use.
5138
5139 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5140
5141         PR target/19293
5142         PR target/19329
5143         * config/avr/avr.c (notice_update_cc): Only set condition code for
5144         ashrqi3 if shift count > 0.
5145         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
5146         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
5147         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
5148         count <= 0 as a no-op, and shift count >= width by copying zero
5149         or sign bit to all bits of the result.
5150         * config/avr/avr.md (all shifts): Add alternatives for zero shift
5151         count, with attribute "length" set to 0 and "cc" set to "none".
5152
5153 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5154
5155         * doc/invoke.texi: Document -mTLS.
5156
5157         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
5158         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
5159         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
5160         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
5161         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
5162         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
5163         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
5164         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
5165
5166         * configure.ac: Check for a TLS capable gas.
5167
5168         * configure: Regenerate.
5169
5170 2005-01-26  Richard Henderson  <rth@redhat.com>
5171
5172         PR middle-end/18008
5173         * combine.c (make_field_assignment): Simplify store to zero_extract
5174         from a source with an overlapping mask.
5175
5176 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5177
5178         2004-11-11  Eric Christopher  <echristo@redhat.com>
5179
5180         * config/frv/frv.md: Add fr400_integer automaton. Don't
5181         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
5182         to TYPE_MACC.
5183
5184 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5185
5186         PR middle-end/16585
5187         * cfgbuild.c (make_edges): Do not clear or set
5188         current_function_has_computed_jump.
5189         * function.h (struct function): Remove the has_computed_jump field.
5190         (current_function_has_computed_jump): Do not define.
5191         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
5192         in a computed jump.  Ignore current_function_has_computed_jump.
5193
5194 2005-01-26  Richard Henderson  <rth@redhat.com>
5195
5196         PR middle-end/19515
5197         * expr.c (categorize_ctor_elements): New argument p_must_clear.
5198         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
5199         fully initialized.
5200         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
5201         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
5202         objects into static storage if they have more than one non-zero value.
5203         * tree.h (categorize_ctor_elements): Update decl.
5204
5205 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5206
5207         PR middle-end/19616
5208         * tree.h (CALL_EXPR_TAILCALL): Add comment.
5209         * calls.c (check_sibcall_argument_overlap_1): Revert the change
5210         to this function from 2004-07-10.
5211         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
5212         the current function for tail call optimizations if the address
5213         of one of it its arguments is taken.
5214
5215 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
5216
5217         * cse.c (fold_rtx): Call equiv_constant only when necessary.
5218
5219 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
5220
5221         * function.c (expand_function_end): If current_function_calls_alloca,
5222         emit stack restore in a place that is reached when the function falls
5223         through at the end.
5224
5225 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
5226
5227         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
5228         rule to avoid matching inappropriate suffix rule.
5229
5230 2005-01-26  Jan Hubicka  <jh@suse.cz>
5231
5232         PR tree-optimization/19241
5233         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
5234
5235 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5236
5237         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
5238         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
5239         of doubling.
5240         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
5241         <sim*>: Always use crt1.o, regardless of N in simN.
5242         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5243         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
5244         (CRT_CALL_STATIC_FUNCTION): Remove.
5245         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
5246         use crt1.o, regardless of N in simN.
5247         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5248         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
5249         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
5250         case isystem setting.
5251         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
5252
5253 2005-01-25  Ian Lance Taylor  <ian@airs.com>
5254
5255         * gimple-low.c (block_may_fallthru): Correct handling of
5256         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
5257
5258 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5259
5260         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
5261         handlers to match indentation; nested under the mtune=* handler.
5262         Similar for mcpu= and march=.
5263
5264 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
5265
5266         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
5267         * config/mips/linux64.h (LIB_SPEC): Likewise.
5268         * config/mn10300/linux.h (LIB_SPEC): Likewise.
5269         * config/sh/linux.h (LIB_SPEC): Likewise.
5270
5271 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
5272
5273         * config/frv/frv.c (frv_legitimize_tls_address): New.
5274         (TARGET_HAVE_TLS): Define.
5275         (FRV_SYMBOL_REF_TLS_P): Define.
5276         (frv_override_options): Handle new register classes.
5277         (frv_legitimate_address_p): Reject tls addresses.
5278         (frv_legitimize_address): Handle TLS addresses.
5279         (gen_inlined_tls_plt): New.
5280         (gen_tlsmoff): New.
5281         (frv_legitimize_tls_address): New.
5282         (unspec_got_name): Add TLS entries.
5283         (got12_operand): Add R_FRV_TLSMOFF12 case.
5284         (frv_emit_move): Fixup TLS addresses.
5285         (frv_emit_movsi): Legitimize TLS addresses.
5286
5287         * config/frv/frv.h (MASK_BIG_TLS): New.
5288         (TARGET_BIG_TLS): New.
5289         (HAVE_AS_TLS): Define.
5290         (TARGET_SWITCHES): Add -mTLS and -mtls options.
5291         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
5292         (REG_CLASS_NAMES): Same.
5293         (REG_CLASS_CONTENTS): Same.
5294         (CONSTRAINT_LEN): New.
5295         (REG_CLASS_FROM_CONSTRAINT): New.
5296         (PREDICATE_CODES): Add symbolic_operand.
5297
5298         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
5299         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
5300         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
5301         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
5302         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
5303         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
5304         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
5305         GR9_REG, GR14_REG, LRREG.
5306         (type): Add load_or_call attribute.
5307         ("load_or_call"): New reservation.
5308         ("call_gettlsoff"): New.
5309         ("tls_indirect_call"): New.
5310         ("tls_load_gottlsoff12"): New.
5311         ("tlsoff_hilo"): New.
5312         ("tls_tlsdesc_ldd"): New.
5313         ("tls_tlsoff_ld"): New.
5314         ("tls_lddi"): New.
5315
5316         * config/frv/frv-protos.h (symbolic_operand): Protoize.
5317
5318         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
5319
5320         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
5321         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
5322         * config/frv/frv.c (TLS_BIAS): Define.
5323         (frv_output_dwarf_dtprel): New.
5324
5325 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
5326
5327         PR rtl-optimization/19579
5328         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
5329         both A and B, see if they don't clobber registers the other expr uses.
5330
5331 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
5332
5333         * real.c (do_add): Initialize signalling and canonical members.
5334
5335         * real.c (real_from_integer): Zero out destination.
5336
5337 2005-01-18  Jan Hubicka  <jh@suse.cz>
5338
5339         PR tree-optimize/19337
5340         * tree-inline.c (initialize_inlined_parameters): Copy
5341         saved_static_chain_decl only.
5342
5343 2005-01-25  Richard Henderson  <rth@redhat.com>
5344
5345         PR target/19556
5346         PR target/19584
5347         * config/i386/i386.c (x86_inter_unit_moves): Zero.
5348         (ix86_preferred_reload_class): Rewrite fp-constant section, with
5349         80387 enabled, to return a proper subclass.  Return the subset that
5350         overlaps with GENERAL_REGS for PLUS.
5351         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5352
5353 2005-01-25  Richard Henderson  <rth@redhat.com>
5354
5355         PR middle-end/19609
5356         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5357
5358 2005-01-25  Roger Sayle  <roger@eyesopen.com>
5359
5360         * expmed.c (choose_multiplier): Change interface to return the
5361         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5362         (expand_divmod): Update calls to choose_multiplier.
5363
5364 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5365
5366         PR middle-end/19330
5367         * expmed.c (extract_bit_field): Use adjust_address instead of
5368         gen_lowpart when op0 is a MEM.
5369
5370 2005-01-24  Steven Bosscher  <stevenb@suse.de>
5371
5372         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5373
5374 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5375
5376         * config/mips/irix-csr.c: New file.
5377         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5378         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5379         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5380         executables.
5381
5382 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5383
5384         PR bootstrap/19364
5385         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5386         sparc/elf.h, add sparc/sp-elf.h.
5387         (sparc-*-rtems*): Likewise.
5388         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5389         tm-dwarf2.h, add sparc/sp-elf.h.
5390         (sparc86x-*-elf): Likewise.
5391         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5392         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5393         TARGET_OS_CPP_BUILTINS.
5394         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5395         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5396         Undefine it.
5397         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5398         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5399         (SWITCH_TAKES_ARG): Likewise.
5400         (LOCAL_LABEL_PREFIX): Likewise.
5401         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5402         (TARGET_N_FORMAT_TYPES): Delete.
5403         (TARGET_FORMAT_TYPES): Likewise.
5404         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5405         * config/sparc/elf.h: Delete.
5406         * config/sparc/sp-elf.h: New file.
5407
5408 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5409
5410         * tree-flow-inline.h (phi_arg_from_edge): Remove.
5411         * tree-flow.h: Remove the corresponding prototype.
5412         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5413         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5414
5415 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5416
5417         PR target/17751
5418         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5419         for AIX ABI or ELF -fPIC.
5420         (rs6000_emit_load_toc_table): Don't create toc_section here.
5421         (rs6000_xcoff_file_start): Nor here.
5422
5423 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
5424
5425         * sh.c (ra.h): Don't #include.
5426         (hard_regs_intersect_p): New function, resurrected from ra.c.
5427
5428         * sh.c: Fix 1996 Copyright.
5429
5430 2005-01-24  Richard Henderson  <rth@redhat.com>
5431             Aldy Hernandez  <aldyh@redhat.com>
5432
5433         * regrename.c (note_sets): Handle subregs.
5434
5435 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
5436
5437         PR bootstrap/18058
5438         * genconditions.c (write_header, write_conditions): Elide file if
5439         not GCC >= 3.0.1.
5440
5441 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5442
5443         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5444         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5445         Update copyright.
5446
5447 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5448
5449         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5450         expand_builtin_printf, expand_builtin_fprintf,
5451         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5452         checking against POINTER_TYPE.
5453         (validate_arglist): Handle POINTER_TYPE code by checking
5454         POINTER_TYPE_P.
5455
5456 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
5457
5458         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5459         init_rtlanal): New.
5460         (for_each_rtx): Call for_each_rtx_1.
5461         * rtl.h (init_rtlanal): Declare.
5462         * toplev.c (backend_init): Call init_rtlanal.
5463
5464 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5465
5466         * flow.c (propagate_one_insn): Formatting.
5467
5468         PR middle-end/19551
5469         * flow.c (libcall_dead_p): Be more conservative if unsure.
5470         If there are any instructions between insn and call, see if they are
5471         all dead before saying the libcall is dead.
5472
5473 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
5474
5475         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5476         operand constraint for operand 0.
5477
5478 2005-01-23  Richard Henderson  <rth@redhat.com>
5479
5480         PR 19486
5481         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5482         edges leading to join block.
5483
5484 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5485
5486         * expmed.c (expand_mult_highpart): Make static.  Change type of
5487         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5488         (expand_divmod): Updates calls to expand_mult_highpart by using
5489         gen_int_mode to pass a CONST_INT rtx.
5490         * rtl.h (expand_mult_highpart): Remove prototype.
5491
5492 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5493
5494         * flow.c (regset_bytes, regset_size): Remove.
5495
5496         * cfganal.c: Fix a reference to Harvey's paper.
5497
5498 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5499
5500         PR rtl-optimization/19464
5501         * tree-optimize.c (init_tree_optimization_passes): Add one more
5502         copyrename pass just before out-of-ssa.
5503
5504 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5505
5506         PR bootstrap/18058
5507         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5508         * ggc-none.c (ggc_free): Define.
5509
5510 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5511
5512         * cse.c (max_reg, max_insn_uid): Remove.
5513         (cse_main): Don't access max_reg or max_insn_uid.
5514
5515         * c-common.c (explicit_flag_signed_bitfields,
5516         lang_statement_code_p, lang_expand_function_end): Remove.
5517         * c-common.h: Remove the corresponding declarations.
5518         * c-opts.c (c_common_handle_option): Remove all write access
5519         to explicit_flag_signed_bitfields.
5520
5521         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5522         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5523         * cgraph.h: Remove the corresponding declaration.
5524
5525         * gcse.c (null_pointer_info): Remove.
5526
5527 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5528             Eric Botcazou  <ebotcazou@libertysurf.fr>
5529
5530         * combine.c (simplify_logical): Only simplify logical expressions
5531         of the form ior(and(x,y),z) by the inverse distributive law if the
5532         result is cheaper than the original.
5533
5534 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5535
5536         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5537         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5538         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5539         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5540         config/freebsd-spec.h, config/arm/arm.h,
5541         config/h8300/h8300.md, config/i386/i386.md,
5542         config/i386/predicates.md, config/i386/sse.md,
5543         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5544         config/vax/vax.md: Fix comment typos.  Follow spelling
5545         conventions.
5546
5547 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5548
5549         * gengtype.c (walk_type): Produce `not equal to' compares for loop
5550         tests, instead of `less than'.
5551
5552 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
5553
5554         * function.c (assign_parm_setup_block): When creating a new stack slot
5555         for a parameter, get its alignment from the parameter's DECL_ALIGN
5556         rather than the type's TYPE_ALIGN.  Make sure that the parameter
5557         is at least word aligned.
5558
5559 2005-01-22  Roger Sayle  <roger@eyesopen.com>
5560
5561         PR middle-end/19378
5562         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5563
5564 2005-01-22  Richard Henderson  <rth@redhat.com>
5565
5566         PR target/19506
5567         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5568         in both compare operands.
5569         (movdfcc_1_sse_max): Likewise.
5570         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
5571         (movdfcc_1_sse): Likewise.
5572         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5573         scratch register as needed.
5574
5575 2005-01-22  Richard Henderson  <rth@redhat.com>
5576
5577         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5578
5579         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5580
5581 2005-01-22  Richard Henderson  <rth@redhat.com>
5582
5583         * genopinit.c (optabs): Use smin/smax for floating point too.
5584         * doc/md.texi: Update to match.  Clarify that floating point
5585         results are undefined for +0/-0 and NaN.
5586         * doc/rtl.texi: Likewise.
5587         * rtl.def (SMIN, SMAX): Likewise
5588         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5589
5590         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5591         leading 's' to the name.
5592         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5593         smaxxf3, sminxf3): Likewise.
5594         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5595         Likewise.
5596
5597 2005-01-22  Paul Brook  <paul@codesourcery.com>
5598
5599         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5600
5601 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
5602
5603         * config/s390/s390.c (struct processor_costs): New fields
5604         dlgr, dlr, dr, dsgfr, dsgr.
5605         (z900_cost, z990_cost): Values for new fields.
5606         (s390_rtx_costs): New cases MEM und COMPARE in switch
5607         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5608         DIV, MOD, UDIV, UMOD.
5609
5610 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5611
5612         * config/s390/s390.md ("doloop_si64"): Reload input value directly
5613         into the register being decremented.
5614         ("doloop_si31", "doloop_di"): Likewise.
5615         ("*doloop_si_long"): Adapt pattern.
5616
5617 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5618
5619         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5620         access registers.
5621         (CLASS_MAX_NREGS): Likewise.
5622
5623 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
5624
5625         * doc/tree-ssa.texi (Statement Operands): Add example for new
5626         must-def macro. Note deprecation of old operands interface.
5627
5628 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
5629
5630         PR tree-optimization/19484
5631         * tree-cfg.c (remove_fallthru_edge): New function.
5632         (cleanup_control_flow): Remove fallthru edges from calls that are
5633         now known not to return.
5634
5635 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5636
5637         Fix PR tree-optimization/19038
5638         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5639         copies with loop variant ones.
5640
5641 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
5642
5643         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5644         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5645         config/alpha/alpha.md, config/alpha/predicates.md,
5646         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5647         config/sparc/sol2.h: Update copyright.
5648
5649         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5650         first label to see if it is a nonlocal label.
5651
5652 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5653             Andrew Pinski  <pinskia@physics.uc.edu>
5654
5655         PR target/19491
5656         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5657         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5658
5659 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5660
5661         * config/rs6000/rtems.h: Update copyright.
5662
5663 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5664
5665         PR target/19548
5666         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5667         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5668         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5669
5670 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5671
5672         PR c/18809
5673         * c-typeck.c (convert_arguments): Check for error_mark_node.
5674
5675 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5676
5677         PR tree-optimization/13000
5678         * tree-inline.c: Include "tree-flow.h".
5679         (expand_call_inline): If warn_return_type, warn if non-void inline
5680         function falls through.
5681         * tree-cfg.c (execute_warn_function_return): Don't warn about
5682         control reaching end if TREE_NO_WARNING is set.  Set
5683         TREE_NO_WARNING.
5684         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5685         has been lowered.
5686         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5687         branch if we don't need one.
5688         * c-typeck.c: Include "tree-flow.h"
5689         (c_finish_bc_stmt): Don't add a goto if the current statement
5690         list doesn't fall through to the current point.
5691
5692 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5693
5694         PR rtl-optimization/576
5695         * real.c (real_arithmetic): Change return type from void to bool
5696         to return an indication that the result may be inexact.
5697         * real.h (real_arithmeric): Update prototype.
5698         * fold-const.c (const_binop):  Don't constant fold floating
5699         point expressions when the user specifies -frounding-math and
5700         the result may depend upon the run-time rounding mode.
5701         (fold_convert_const_real_from_real): Clean-up.
5702         (fold_initializer): Ignore flag_rounding_math for initializers.
5703         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5704         constant fold FP operations with flag_rounding_math if the
5705         result may depend upon the run-time rounding mode.
5706
5707 2005-01-21  Tom Tromey  <tromey@redhat.com>
5708
5709         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5710
5711 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5712
5713         * tree-cfg.c: Fix comment typos.
5714
5715 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5716
5717         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5718         around the call to rest_of_handle_branch_target_load_optimize.
5719
5720 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5721
5722         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5723         (sparc64-*-openbsd*): Likewise.
5724         (sparclite-*-elf*): Include tm-dwarf2.h.
5725         (sparc86x-*-elf*): Likewise.
5726         (sparc64-*-elf*): Likewise.
5727         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5728         (DBX_DEBUGGING_INFO): Likewise.
5729         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5730         (PREFERRED_DEBUGGING_TYPE): Likewise.
5731         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5732         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5733         (PREFERRED_DEBUGGING_TYPE): Likewise.
5734         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5735         (PREFERRED_DEBUGGING_TYPE): Likewise.
5736         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5737
5738 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5739
5740         PR target/18701
5741         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5742
5743 2005-01-20  Paul Brook  <paul@codesourcery.com>
5744
5745         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5746
5747 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5748
5749         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5750         label is first in a sequence of labels.
5751
5752         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5753
5754 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5755             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5756
5757         * doc/sourcebuild.texi (Test Directives): New.
5758
5759 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5760
5761         * real.c (real_floor): Don't leave the result uninitialized when
5762         mode is VOIDMode, but return the unrounded intermediate value.
5763         (real_ceil): Likewise.
5764
5765 2005-01-20  Paul Brook  <paul@codesourcery.com>
5766
5767         * config/arm/arm.md (insv): Use gen_int_mode.
5768
5769 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5770
5771         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5772         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5773         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5774         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5775         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5776
5777 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5778
5779         Fix PR debug/19124
5780         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5781         fbreg, so we have to assume we can't.
5782         (loc_descriptor_from_tree_1): Ditto.
5783         (containing_function_has_frame_base): New function.
5784         (add_location_or_const_value_attribute): Use it.
5785         Also try to generate a frame_base from a single element location
5786         list.
5787
5788 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5789
5790         PR tree-optimization/15349
5791         * timevar.def (TV_TREE_MERGE_PHI): New.
5792         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5793         PHI_WANTED.
5794         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5795         calls to tree_forwarder_block_p.
5796         (remove_forwarder_block_with_phi, merge_phi_nodes,
5797         gate_merge_phi, pass_merge_phi): New.
5798         * tree-optimize.c (init_tree_optimization_passes): Add
5799         pass_merge_phi.
5800         * tree-pass.h: Add an extern for pass_merge_phi;
5801
5802 2005-01-20  Richard Henderson  <rth@redhat.com>
5803
5804         PR target/19418
5805         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5806         (_mm_castps_pd, _mm_castps_si128): New.
5807         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5808
5809 2005-01-20  Richard Henderson  <rth@redhat.com>
5810
5811         PR target/19530
5812         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5813         __builtin_ia32_vec_init_v2si.
5814         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5815         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5816         (ix86_init_mmx_sse_builtins): Create it.
5817         (ix86_expand_builtin): Expand it.
5818         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5819         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5820         (vec_extractv2si_0, vec_extractv2si_1): New.
5821
5822 2005-01-20  Richard Henderson  <rth@redhat.com>
5823
5824         PR target/16533
5825         * config/i386/i386.c (ix86_expand_push): New.
5826         * config/i386/mmx.md (push<MMXMODE>1): New.
5827         * config/i386/sse.md (push<SSEMODE>1): New.
5828         * config/i386/i386-protos.h: Update.
5829
5830 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5831
5832         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5833         copyright.
5834
5835 2005-01-20  Richard Henderson  <rth@redhat.com>
5836
5837         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5838         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5839
5840 2005-01-19  Richard Henderson  <rth@redhat.com>
5841
5842         PR target/19350
5843         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5844         to V4SFmode in SSE1 fallback load path.
5845
5846 2005-01-19  Richard Henderson  <rth@redhat.com>
5847
5848         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5849         in QImode expansion to ix86_expand_vector_set.
5850         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5851
5852 2005-01-19  Richard Henderson  <rth@redhat.com>
5853
5854         PR target/19511
5855         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5856         subclass of the input class.
5857         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5858         Always true for cross-SSE1 classes.  Rationalize conditionals.
5859         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5860         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5861         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5862         (movdi_2): Add MMX/SSE zeros.
5863         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5864         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5865         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5866         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5867         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5868         (zero_extendsidi2_rex64_1): Remove.
5869         (MOV0 peephole): Check GENERAL_REG_P.
5870
5871 2005-01-19  Richard Henderson  <rth@redhat.com>
5872
5873         PR target/19427
5874         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5875         shufps elements.
5876         (ix86_expand_vector_extract): Likewise.
5877
5878 2005-01-19  Richard Henderson  <rth@redhat.com>
5879
5880         PR middle-end/19304
5881         * expr.c (emit_move_change_mode): New argument force; use
5882         simplify_gen_subreg if true.
5883         (emit_move_via_alt_mode): Merge into ...
5884         (emit_move_via_integer): ... here.
5885         (emit_move_ccmode): Use emit_move_change_mode directly.
5886
5887 2005-01-19  Richard Henderson  <rth@redhat.com>
5888
5889         PR target/19518
5890         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5891         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5892         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5893         rtl if true.
5894         (alpha_emit_set_const): Likewise.  Make static.
5895         (alpha_emit_set_long_const): Make static.
5896         (alpha_extract_integer): Split out from alpha_expand_mov.
5897         (alpha_split_const_mov): Likewise.
5898         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5899         (alpha_legitimate_constant_p): New.
5900         * config/alpha/alpha-protos.h: Update.
5901         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5902         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5903         * config/alpha/alpha.md (movsi): Add n alternative.
5904         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5905         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5906         (splitters for all of the above): Use alpha_split_const_mov.
5907         * config/alpha/predicates.md (non_add_const_operand): New.
5908         (non_zero_const_operand): New.
5909         (input_operand): Use alpha_legitimate_constant_p after reload.
5910
5911 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5912
5913         PR tree-optimization/19038
5914         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5915         (add_candidate): Add ivs with increment in latch only if
5916         allow_ip_end_pos_p is true.
5917         (determine_iv_cost): Use empty_block_p.
5918
5919 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5920
5921         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5922         (compute_dominance_frontiers): Ditto.
5923
5924 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5925
5926         PR target/19529
5927         * config/sh/t-rtems: New.
5928         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5929
5930 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5931
5932         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5933         the offset of the selected field.
5934
5935 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5936
5937         * tree-cfg.c (remove_forwarder_block): Fix the check to
5938         prevent a nonlocal label from appearing in the middle of a
5939         basic block.
5940
5941 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5942
5943         PR rtl-optimization/19462
5944         * reorg.c (find_end_label): Create return insn only if
5945         current_function_epilogue_delay_list is empty.
5946
5947 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5948
5949         * doc/passes.texi: Remove paragraph mentioning new-ra.
5950
5951 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5952
5953         PR rtl-optimization/15139
5954         * combine.c: Include params.h.
5955         (count_rtxs): New function.
5956         (record_value_for_reg): If replace_rtx would replace at least
5957         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5958         (clobber (const_int 0)) instead of TEM.
5959         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5960         * params.h (MAX_LAST_VALUE_RTL): New.
5961         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5962         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5963
5964         PR c/17297
5965         * c-typeck.c (digest_init): Only call build_vector if all constructor
5966         elements are *_CST nodes.
5967         * gimplify.c (gimplify_init_constructor): Likewise.
5968
5969         PR middle-end/19164
5970         * c-typeck.c (digest_init): Only call build_vector if inside_init
5971         is a CONSTRUCTOR.
5972
5973 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5974
5975         * toplev.c (init_asm_output): Remove dead #ifdef.
5976
5977 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5978
5979         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5980
5981 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5982
5983         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5984         accessing DECL_FUNCTION_CODE.
5985         * dojump.c (do_jump): Likewise.
5986         * gimplify.c (gimplify_call_expr): Likewise.
5987         * predict.c (expr_expected_value): Likewise.
5988         (strip_builtin_expect): Likewise.
5989         * tree-inline.c (estimate_num_insns_1): Likewise.
5990         * tree-ssa-loop-im.c (stmt_cost): Likewise
5991         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5992         (tree_expr_nonnegative_p): Likewise.
5993
5994 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5995
5996         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5997         variant of the load_pcrel_sym pattern.
5998         * config/sparc/sparc.md (P macro): Move to the top.
5999         (load_pcrel_sym): Macroize using P.
6000         (save_register_window): Likewise.
6001
6002 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6003
6004         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6005         ("sordered"): Same.
6006
6007 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6008
6009         PR C/19472
6010         * c-typeck.c (build_asm_expr): Strip nops off
6011         input memory operands.
6012
6013 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6014
6015         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6016         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6017         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6018         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6019
6020 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6021
6022         PR target/19379
6023         * config/i386/i386.c (override_options): If the 80387 is disabled,
6024         then do not return FP values using FP registers.
6025
6026 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6027
6028         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6029         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6030         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6031         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6032         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6033         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6034         output.h, postreload-gcse.c, postreload.c, recog.c,
6035         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6036         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6037         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6038         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6039         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6040         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6041         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6042         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6043
6044         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6045         config/alpha/alpha.c, config/arm/vfp.md,
6046         config/i386/emmintrin.h, config/i386/i386-modes.def,
6047         config/i386/i386-protos.h, config/i386/i386.h,
6048         config/i386/pmmintrin.h, config/i386/ppro.md,
6049         config/i386/predicates.md, config/i386/xmmintrin.h,
6050         config/i860/i860.c, config/ia64/ia64-modes.def,
6051         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6052         config/ia64/ia64.md, config/ia64/itanium1.md,
6053         config/ia64/itanium2.md, config/ia64/predicates.md,
6054         config/iq2000/iq2000.h, config/mips/linux64.h,
6055         config/rs6000/aix41.h, config/rs6000/aix43.h,
6056         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6057         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6058         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6059         config/sparc/linux64.h, config/sparc/litecoff.h,
6060         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6061         config/sparc/sparc.h, config/sparc/sparc.md,
6062         config/sparc/sysv4-only.h: Update copyright.
6063
6064 2005-01-18  Richard Henderson  <rth@redhat.com>
6065
6066         PR target/19496
6067         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6068
6069 2005-01-18  Marc Espie  <espie@openbsd.org>
6070         * config/i386/openbsdelf.h: Typo.
6071
6072 2005-01-18  Richard Henderson  <rth@redhat.com>
6073
6074         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6075         special case for sse.
6076         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6077
6078 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6079
6080         * tree-inline.c (estimate_num_insns_1): Added cases for
6081         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6082
6083 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6084
6085         PR rtl-optimization/19296
6086         * combine.c (simplify_comparison): Rewrite the condition under
6087         which a non-paradoxical SUBREG of a PLUS can be lifted when
6088         compared against a constant.
6089
6090 2005-01-18  Andi Kleen <ak@muc.de>
6091
6092         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6093         * c.opt (-Wpointer-sign): Add.
6094         * doc/invoke.texi: (-Wpointer-sign): Add.
6095
6096 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6097
6098         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
6099         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
6100         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
6101         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
6102         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
6103         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
6104         for TARGET_MIX_SSE_I387.
6105         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
6106         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
6107         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
6108         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
6109         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
6110         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
6111         TARGET_MIX_SSE_I387.
6112         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
6113         from expander.
6114
6115 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6116
6117         PR target/19424
6118         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
6119         Add movaps alternative for xmm reg->reg move.
6120
6121 2005-01-17  Jeff Law  <law@redhat.com>
6122
6123         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
6124         at the end of the main DOM loop rather than just before DOM exits.
6125
6126 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
6127
6128         PR tree-optimization/19121
6129         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
6130         adding aliases to a name tag, also add them to the pointer's
6131         type tag.
6132         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
6133         sensitive alias info at all.  Only check that the two pointers
6134         have compatible pointed-to sets.
6135         * tree-ssa.c (verify_name_tags): Verify that the alias set of
6136         a pointer's type tag is a superset of the alias set of the
6137         pointer's name tag.
6138
6139 2005-01-17  James E Wilson  <wilson@specifixinc.com>
6140
6141         PR target/19357
6142         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
6143         comment to document why.
6144
6145 2005-01-17  Richard Henderson  <rth@redhat.com>
6146
6147         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
6148         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
6149         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
6150         sse2_vmsminv2df3_finite): New.
6151         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
6152         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
6153         Force op1 into register.
6154
6155 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
6156
6157         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
6158         bubblestrap from always rebuilding build directory.
6159
6160 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
6161
6162         * config/s390/s390.md ("*clc"): Remove incorrect '='.
6163         ("*cmpmem_short"): Likewise.
6164
6165 2005-01-17  Steven Bosscher  <stevenb@suse.de>
6166
6167         * basic-block.h: Document BB_* flags.
6168         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
6169         use an sbitmap instead.
6170         * sched-rgn.c (compute_trg_info): Likewise.
6171
6172 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
6173
6174         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
6175         redundant target_cpu_default and extra_parts lines.  Use the default
6176         "from-abi" ISA.
6177         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
6178         (SUBTARGET_EXTRA_SPECS): Delete.
6179         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
6180         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
6181         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
6182         and "n32" for -mabi=n32.
6183
6184 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6185
6186         PR c/5675
6187         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
6188         fold constant variables into initial values.
6189
6190 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6191
6192         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
6193
6194         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
6195         through the statements backward.
6196
6197 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6198
6199         PR middle-end/13127:
6200         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
6201         a variable set to the return value of the inlined function.
6202
6203 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
6204
6205         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
6206         when modes are tieable.
6207
6208 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
6209
6210         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
6211         of pthread_create to find out if threads are enabled.
6212         * gthr-posix95.h (__gthread_active_p): Likewise.
6213
6214 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
6215
6216         * common.opt (-fnew-ra): Remove.
6217         * ra*.*: Remove.
6218         * toplev.h (flag_new_regalloc): Remove.
6219         * Makefile.in (ra*.*): Don't mention.
6220         * passes.c (rest_of_handle_new_regalloc): Remove.
6221         (rest_of_handle_combine, rest_of_compilation): Always consider
6222         flag_new_regalloc as false.
6223         * doc/invoke.texi: Don't document -fnew-ra.
6224
6225 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
6226
6227         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
6228         last parameter to reg_scan.
6229         * loop.c (loop_optimize): Likewise.
6230         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
6231         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
6232         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6233         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6234         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
6235         * regclass.c (reg_scan): Likewise, for the declaration.
6236         * rtl.h (reg_scan): Likewise, for the prototype.
6237
6238 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6239
6240         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
6241         mark_dfs_back_edges.
6242
6243 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
6244
6245         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
6246         (compute_avail): Uses don't go in tmp_gen.
6247
6248 2005-01-16  Steven Bosscher  <stevenb@suse.de>
6249
6250         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
6251         loop to look for a free slot in a page entry.
6252
6253 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6254
6255         PR target/16304
6256         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
6257         * toplev.c (compile_file): Call process_pending_assemble_output_defs
6258         just before targetm.asm_out.file_end.
6259         * tree.h (process_pending_assemble_output_defs): Declare.
6260         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
6261         New functions.
6262         (assemble_alias): Defer generation of assembly code for defines when
6263         TARGET_DEFERRED_OUTPUT_DEFS is true.
6264         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6265         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6266         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
6267
6268 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6269
6270         PR target/19336
6271         * pa.c (pa_scalar_mode_supported_p): New function.
6272         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6273         * pa.h (MIN_UNITS_PER_WORD): Add comment.
6274
6275         * pa-protos.h (prefetch_operand): Delete.
6276         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
6277         * pa.c (prefetch_operand): Delete.
6278         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
6279         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
6280         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
6281         and prefetch_nocc_operand.
6282         * pa.md (prefetch): Rework to avoid reload problems handling short
6283         displacements when a cache control completer needs to be provided.
6284         (prefetch_32, prefetch_64): Delete.
6285         (prefetch_cc, prefetch_nocc): New patterns.
6286
6287 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
6288
6289         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
6290
6291 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6292
6293         PR ada/19388
6294         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
6295         exceeds maximum alignment for global common data.
6296         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
6297         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
6298
6299 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6300
6301         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
6302
6303 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6304
6305         * harg-reg-set.h (reg_class_names): Prototype global array.
6306         * regclass.c (reg_class_names): Declare here and initialize to
6307         REG_CLASS_NAMES.
6308         (dump_regclass): Remove local declaration of reg_class_names.
6309         (regclass): Likewise.
6310         * cfg.c (dump_flow_info): Likewise.
6311         * ra-debug.c (reg_class_names): Likewise.
6312         * regrename.c (reg_class_names): Likewise.
6313         * reload.c (reg_class_names): Likewise.
6314         * reload1.c (spill_failure): Likewise.
6315         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
6316
6317 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
6318
6319         * config/s390/s390.md ("reload_outti"): Remove predicate for
6320         output operand.  Abort if operand is not a MEM.
6321         ("reload_outdi", "reload_outdf"): Likewise.
6322
6323 2005-01-15  Marc Espie  <espie@openbsd.org>
6324
6325         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
6326         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
6327         * config/openbsd.h:  Fix C++ includes for native configurations.
6328         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
6329         Add trampoline support.
6330         * config/i386/openbsdelf.h: New.
6331
6332 2005-01-15  Marc Espie  <espie@openbsd.org>
6333
6334         * collect2.c (main): Explicitly parse -dynamic-linker option.
6335
6336 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
6337
6338         PR tree-optimization/19060
6339         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6340         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6341         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6342         and handle extract_range_from_cond returning false.
6343         * fold-const.c (fold): Optimize comparisons with min/max even for
6344         width > HOST_BITS_PER_WIDE_INT.
6345
6346 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
6347
6348         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6349         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6350         Remove little endian multilib variants.
6351         Add mips32 multilib variant.
6352
6353 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
6354
6355         * explow.c (copy_all_reg, stabilize): Remove.
6356         * expr.h: Remove the corresponding prototypes.
6357
6358         * rtlanal.c (regs_set_between_p): Remove.
6359         * rtl.h: Remove the corresponding prototype.
6360
6361 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
6362
6363         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6364         to rs6000_nonimmediate_operand.
6365         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6366         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6367         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6368         rs6000_nonimmediate_operand.
6369         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6370         rs6000_nonimmediate_operand.
6371
6372 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
6373
6374         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6375
6376 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6377
6378         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6379         on e500v2.
6380         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6381         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6382
6383         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6384         (rs6k_nonimmediate_operand): New.
6385         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6386         correctly.
6387         (legitimate_lo_sum_address_p): Same.
6388         (rs6000_legitimize_address): Same.
6389         (rs6000_legitimize_reload_address): Same.
6390         (rs6000_legitimate_address): Same.
6391         (spe_build_register_parallel): Pass DF and DC modes in a DI
6392         register.
6393
6394         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6395         to rs6k_nonimmediate_operand.
6396
6397         * config/rs6000/spe.md ("*frob_df_di"): New.
6398         ("*frob_di_df"): New.
6399         ("*frob_di_df_2"): New.
6400         ("*mov_sidf_e500_subreg0"): New.
6401         ("*mov_sidf_e500_subreg4"): New.
6402         ("*movdf_e500_double"): Change predicate to
6403         rs6k_nonimmediate_operand.
6404
6405 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6406
6407         * postreload.c (move2add_note_store): Only call
6408         trunc_int_for_mode on scalar integers.
6409
6410 2005-01-14  Steven Bosscher  <stevenb@suse.de>
6411
6412         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6413         replace BB_VISITED uses.
6414         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6415         (propagate_necessity): Check the bitmap instead of BB_VISITED.
6416         (tree_dce_done): Free visited_control_parents.
6417         (perform_tree_ssa_dce): Allocate and clear it.
6418         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6419         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
6420         instead of BB_VISITED.
6421
6422 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
6423
6424         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6425         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6426         Remove unused prototypes.
6427
6428 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6429
6430         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6431         64-bit register usage.
6432         (spe_func_has_64bit_regs_p): Add FIXME note.
6433
6434 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6435
6436         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6437         flag_finite_math_only with flag_unsafe_math_optimizations.
6438
6439 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
6440
6441         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6442         end-of-stack check.
6443         (__tpf_eh_return): Copy TPF private stack area from the module
6444         boundary stack frame.  Add check for when module addresses are
6445         equal, but no stub address is found.
6446
6447 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
6448
6449         PR target/7525
6450         * arm.h (struct machine_function): Add call_via field.
6451         (thumb_call_via_label): Declare.
6452         * arm.c (thumb_call_via_label): New variable.
6453         (thumb_call_reg_needed): New variable.
6454         (arm_output_function_epilogue): For Thumb code, output any per-function
6455         call-indirect trampolines.
6456         (thumb_call_via_reg): New function.
6457         (arm_file_end): New function.
6458         (TARGET_ASM_FILE_END): Call arm_file_end.
6459         (aof_file_end): Likewise.
6460         * arm-protos.h (thumb_call_via_reg): Declare.
6461         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6462         thumb_call_via_reg in normal case.
6463
6464 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
6465
6466         PR middle-end/19084
6467         PR rtl-optimization/19348
6468         * recog.c (peephole2_optimize): Do global life update if some peephole
6469         decides it doesn't need at least one of its inputs and that change
6470         influences liveness at the start of the basic block.
6471
6472         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6473         arguments instead of 1.
6474
6475 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
6476
6477         PR middle-end/18820
6478         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6479         zero for nested functions needing a static chain or functions
6480         with a non-constant address.
6481
6482 2005-01-13  Roger Sayle  <roger@eyesopen.com>
6483
6484         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6485         (and (sign_extend X) C) into (zero_extend (and X C)).
6486
6487 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
6488
6489         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
6490
6491 2005-01-13  Richard Henderson  <rth@redhat.com>
6492
6493         PR target/19009
6494         PR target/19250
6495         PR target/19252
6496         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6497         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6498         not just TARGET_SSE.
6499         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
6500         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6501         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6502         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6503         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6504         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6505         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6506         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6507         (movdicc_c_rex64): Rename with '*'.
6508         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6509         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6510         (movsfcc_1_387): Rename from movsfcc_1.
6511         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6512         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6513         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6514         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6515         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6516         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6517         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6518         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6519         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6520         sse_movdfcc_const0_4): Remove.
6521         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6522         recognize min/max early.  Update for changed sse cmove patterns.
6523         (ix86_split_sse_movcc): New.
6524         * config/i386/i386-protos.h: Update.
6525
6526 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6527
6528         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6529         (fix_stmt_v_may_defs): Likewise.
6530
6531 2005-01-13  Richard Henderson  <rth@redhat.com>
6532
6533         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6534         for converting the mask.
6535
6536 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
6537
6538         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6539         definition to 600.
6540
6541 2005-01-13  Richard Henderson  <rth@redhat.com>
6542
6543         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6544         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6545         IX86_BUILTIN_MOVDQ2Q): Remove.
6546         (IX86_BUILTIN_VEC_EXT_V4SI): New.
6547         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6548         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6549         shuffling.
6550         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6551         (sse2_pextrw): Fix immediate constraint.
6552         (sse2_loadq, sse2_loadq_rex64): Remove.
6553         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6554         Use __builtin_ia32_vec_ext_<size>.
6555         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6556
6557 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
6558
6559         * function.c (assign_parm_setup_block): Look inside original
6560         entry_parm when inspecting PARALLEL.
6561
6562 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
6563             Joel Sherrill  <joel@oarcorp.com>
6564
6565         PR target/19399
6566         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6567         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6568         rtems_gxx_recursive_mutex_init.
6569         (__gthread_recursive_mutex_lock): New function.
6570         (__gthread_recursive_mutex_trylock): Likewise.
6571         (__gthread_recursive_mutex_unlock): Likewise.
6572
6573 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
6574
6575         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6576
6577 2005-01-13  Jan Beulich  <jbeulich@novell.com>
6578
6579         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6580         (ashrti3_internal): Indicate output is early clobber. Generate result
6581         into output rather than first input. Use move for low word of output
6582         if shift count is exactly 64.
6583         (lshrti3_internal): Likewise.
6584
6585 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
6586
6587         PR target/18329
6588         PR target/18330
6589         * reload1.c (delete_output_reload): Don't delete an output reload
6590         if the pseudo lives longer than a single basic block.  Adjust and
6591         improve wording of comment.
6592
6593 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
6594
6595         PR target/19334
6596         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6597         of TYPE_SIZE where we mean the number of bytes.
6598
6599 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
6600
6601         * function.c (assign_parm_setup_block): Relax condition on
6602         multi-register optimization.
6603
6604 2005-01-12  Nick Clifton  <nickc@redhat.com>
6605
6606         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6607         an "in_delay_slot" attribute of "no" to prevent them being used in
6608         delay slots.  This is forbidden because they might generate
6609         exceptions.
6610
6611 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
6612
6613         PR target/19389
6614         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6615         with r->Y and Y->r.
6616
6617 2005-01-12  Nick Clifton  <nickc@redhat.com>
6618
6619         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6620         passed on to GAS) but do not define, as GAS no longer supports or
6621         needs the -m2000 option.
6622
6623 2005-01-11  Roger Sayle  <roger@eyesopen.com>
6624
6625         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6626         type as args of unprototyped builtins aren't automatically promoted.
6627         (fold_builtin_abs): Likewise.
6628
6629 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6630
6631         * Makefile.in: Set a `build-warn' variable.
6632
6633 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
6634
6635         PR tree-optimization/17949
6636         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6637         (find_interesting_uses_address): Use it.
6638
6639 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
6640
6641         * regrename.c (kill_value): Handle subreg's that won't simplify.
6642
6643 2005-01-11  Richard Henderson  <rth@redhat.com>
6644
6645         PR target/13366
6646         * config/i386/i386.h (enum ix86_builtins): Move ...
6647         * config/i386/i386.c: ... here.
6648         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6649         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6650         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6651         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6652         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6653         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6654         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6655         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6656         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6657         IX86_BUILTIN_LOADDDUP): Remove.
6658         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6659         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6660         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6661         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6662         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6663         (ix86_init_builtins): Make static.
6664         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6665         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6666         if all the modes match.  Otherwise, fake it.
6667         (get_element_number, ix86_expand_vec_init_builtin,
6668         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6669         (ix86_expand_builtin): Make static.  Update for changed builtins.
6670         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6671         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6672         (ix86_expand_vector_init_duplicate): New.
6673         (ix86_expand_vector_init_low_nonzero): New.
6674         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6675         Split out from ix86_expand_vector_init; handle integer modes.
6676         (ix86_expand_vector_init): Use them.
6677         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6678         * config/i386/i386-protos.h: Update.
6679         * config/i386/predicates.md (reg_or_0_operand): New.
6680         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6681         (movv2sf_internal): Likewise.  And a splitter to match them all.
6682         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6683         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6684         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6685         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6686         (mmx_pinsrw): Fix operand ordering.
6687         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6688         rather than sse_loadss expander.
6689         (movv2df splitter): Similarly.
6690         (sse_loadss, sse_loadlss): Remove.
6691         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6692         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6693         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6694         (sse3_movddup): Rename with '*'.
6695         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6696         (sse2_loadsd): Remove.
6697         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6698         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6699         (sse2_pinsrw): Fix argument ordering.
6700         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6701         (sse2_stored): Remove 'r' destination.
6702         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6703         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6704         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6705         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6706         vec_extractv16qi, vec_initv16qi): New.
6707
6708         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6709         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6710         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6711         constructor form.
6712         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6713         (_mm_load_si128, _mm_store_si128): Likewise.
6714         (_mm_load1_pd): Use _mm_set1_pd.
6715         (_mm_load_sd): Use _mm_set_sd.
6716         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6717         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6718         (_mm_set_epi64): Use _mm_set_epi64x.
6719         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6720         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6721         _mm_setr_epi8): Use _mm_set_foo form.
6722         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6723         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6724         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6725         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6726         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6727         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6728         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6729         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6730         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6731         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6732         (_mm_movedup_pd): Use _mm_shuffle_pd.
6733         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6734         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6735         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6736         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6737         Use _mm_setzero_ps.
6738         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6739         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6740         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6741         (_mm_store_ps): Use raw dereference.
6742         (_mm_store1_ps): Use _mm_storeu_ps.
6743         (_mm_storer_ps): Use _mm_store_ps.
6744         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6745         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6746
6747 2005-01-11  Stan Shebs  <shebs@apple.com>
6748
6749         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6750         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6751
6752 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6753
6754         PR target/18761
6755         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6756         Skip all DECLs except for FIELD_DECLs.
6757
6758 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6759
6760         * config/s390/s390.c (override_options): Return error if
6761         -mbackchain, -mpacked-stack and -mhard-float are used together.
6762         (s390_va_start): Remove the backchain && packed-stack special case.
6763         (s390_gimplify_va_arg): Likewise.
6764         * doc/invoke.texi: Remove the ABI incompatibility note.
6765
6766 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6767
6768         * config/s390/s390.c (struct s390_frame_layout): Remove
6769         save_backchain_p.
6770         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6771         save_backchain_p with TARGET_BACKCHAIN.
6772
6773 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6774
6775         PR target/18916
6776         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6777         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6778         * function.c (locate_and_pad_parm): Set new field.
6779         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6780         Tweak where_pad test to include "none".  Always set mem align for
6781         stack_parm.
6782         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6783         not sufficient for type.
6784         (assign_parm_setup_block): If stack_parm is zero on entry, always
6785         make a new stack local.  Block move old stack parm if necessary
6786         to new aligned stack local.
6787         (assign_parm_setup_stack): Use a block move to handle
6788         potentially misaligned entry_parm.
6789         (assign_parms_unsplit_complex): Specify required alignment when
6790         creating stack local.
6791         * calls.c (compute_argument_addresses): Override alignment of stack
6792         arg calculated from its type with the alignment given by
6793         FUNCTION_ARG_BOUNDARY.
6794         (store_one_arg): Likewise.
6795
6796 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6797
6798         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6799         Change respective itanium_class attribute to ialu.
6800         (shladdp4_internal): New.
6801         * config/ia64/predicates.md (shladd_log2_operand): New.
6802
6803 2005-01-11  Richard Henderson  <rth@redhat.com>
6804
6805         * expr.c (store_constructor): Use rtvec_alloc instead of
6806         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6807
6808 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6809
6810         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6811
6812 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6813
6814         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6815         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6816         (TARGET_RWRELOC): Define.
6817         (ia64_rwreloc_section_type_flags): Delete.
6818         (ia64_section_type_flags): New function.
6819         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6820         (TARGET_RWRELOC): Define.
6821
6822 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6823
6824         PR target/18987
6825         * config/ia64/ia64.c (process_set): For alloc insn, only call
6826         process_epilogue is !frame_pointer_needed.
6827
6828 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6829
6830         PR c++/19355
6831         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6832         unary operator and can't be treated as a binary/comparison operator.
6833
6834 2005-01-10  Richard Henderson  <rth@redhat.com>
6835
6836         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6837         (ix86_return_in_memory): Likewise.
6838         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6839         for choosing register to advance.
6840
6841 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6842
6843         * tree-vectorizer.c, tree.def: Fix comment typos.
6844
6845 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6846
6847         * config/s390/s390.c (struct processor_costs): 4 new fields:
6848         ddbr, ddr, debr, der.
6849         (s390_rtx_costs): More precise handling of divide instructions.
6850
6851 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6852
6853         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6854
6855 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6856
6857         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6858         names resulting from -ffunction-sections/-fdata-sections and linkonce
6859         ones.
6860         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6861         based on the section name. Rearrange the section name comparison logic
6862         slightly so that each section name is compared against at most once.
6863
6864 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6865
6866         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6867         targets for which -fPIC reduces limitations on the GOT size.
6868
6869 2005-01-09  Falk Hueffner  <falk@debian.org>
6870
6871         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6872         X/C1 cmpop C2.
6873
6874 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6875
6876         PR target/18720
6877         * collect2.c (main): Set aixrtl_flag for -brtl option.
6878         (resolve_lib_name): Search for .so file extension before .a
6879         if aixrtl_flag set.
6880
6881 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6882
6883         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6884         (vect_analyze_data_refs_alignment): Add dump prints.
6885
6886 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6887
6888         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6889         expr_invariant_in_loop_p.
6890         Initialize outputs first thing in the function.
6891         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6892         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6893         (vect_analyze_pointer_ref_access): Check that the initial condition of
6894         the access function is loop invariant.
6895
6896 2005-01-09  Richard Henderson  <rth@redhat.com>
6897
6898         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6899         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6900         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6901         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6902         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6903         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6904         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6905         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6906         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6907         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6908         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6909         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6910         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6911         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6912         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6913         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6914         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6915         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6916         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6917         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6918         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6919         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6920         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6921         mmx_ prefix.
6922         (mmx_clrdi, pavgusb): Remove.
6923         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6924         with leading sse_ prefix.
6925         * config/i386/sse.md: Receive them.
6926         * config/i386/mmx.md: New file.
6927         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6928         (subrv2sf3): Turn into expander for normal subtraction.
6929         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6930         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6931         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6932         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6933         commutative; use ix86_binary_operator_ok.
6934         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6935         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6936         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6937         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6938         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6939         Macroize from existing patterns; use ix86_binary_operator_ok.
6940         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6941         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6942         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6943         with vec_select+vec_concat.
6944         (mmx_pshufw, mmx_pshufw_1): Likewise.
6945         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6946         (mmx_uavgv4hi3): Model correctly.
6947         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6948         _mm_xor_si64): Remove casts.
6949
6950 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6951
6952         PR tree-optimization/19224
6953         * tree-scalar-evolution.c (get_instantiated_value,
6954         set_instantiated_value): New functions.
6955         (instantiate_parameters_1): Cache the results.
6956         (instantiate_parameters, resolve_mixers): Initialize and free
6957         the cache.
6958
6959 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6960
6961         * config/i386/i386.md (addhi_4): Correct reference in comment.
6962         (addqi_4): Same.
6963
6964 2005-01-08  Richard Henderson  <rth@redhat.com>
6965
6966         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6967         (_mm_cvtsi128_si64x): Likewise.
6968         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6969         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6970         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6971         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6972         * config/i386/i386-protos.h: Update.
6973         * config/i386/i386.c (print_operand): Add 'H'.
6974         (ix86_fixup_binary_operands): Split out from ...
6975         (ix86_expand_binary_operator): ... here.
6976         (ix86_fixup_binary_operands_no_copy): New.
6977         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6978         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6979         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6980         (safe_vector_operand): Use CONST0_RTX.
6981         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6982         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6983         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6984         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6985         special cases.
6986         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6987         (IX86_BUILTIN_CMPNGESS): New.
6988         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6989         (attr type): Add sselog1.
6990         (attr unit, attr memory): Handle it.
6991         (movti, movti_internal, movti_rex64): Move near other integer moves.
6992         (movtf, movtf_internal): Move near other fp moves.
6993         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6994         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6995         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6996         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6997         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6998         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6999         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7000         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7001         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7002         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7003         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7004         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7005         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7006         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7007         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7008         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7009         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7010         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7011         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7012         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7013         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7014         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7015         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7016         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7017         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7018         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7019         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7020         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7021         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7022         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7023         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7024         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7025         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7026         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7027         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7028         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7029         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7030         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7031         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7032         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7033         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7034         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7035         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7036         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7037         same time.
7038         (SSEPUSH, push<SSEPUSH>): Remove.
7039         (MMXPUSH, push<MMXPUSH>): Remove.
7040         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7041         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7042         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7043         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7044         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7045         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7046         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7047         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7048         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7049         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7050         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7051         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7052         (ppro_sse_log_V4SF): Handle sselog1.
7053         * config/i386/predicates.md (const_0_to_1_operand): New.
7054         (const_0_to_255_mul_8_operand): New.
7055         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7056         (const_2_to_3_operand, const_4_to_7_operand): New.
7057         * config/i386/sse.md: New file.
7058         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7059         (sse_movups): Rename from sse_movups_1.
7060         (sse_loadlss): Rename from sse_loadss_1.
7061         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7062         from the name.
7063         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7064         (absv4sf2, negv2df, absv2df): New.
7065         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7066         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7067         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7068         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7069         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7070         (sse3_addsubv4sf3): Model correctly.
7071         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7072         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7073         (sse_movhlps): Model with vec_select+vec_concat.
7074         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7075         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7076         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7077         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7078         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7079         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7080         sse2_pshufhw_1): Likewise.
7081         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7082         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7083         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7084         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7085         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7086         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7087         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7088         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7089         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7090         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7091         sminv8hi3): Mark commutative
7092         operands.  Use ix86_binary_operator_ok.
7093         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7094         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7095         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7096         sse2_punpcklqdq): Allow operand2 in memory.
7097         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
7098         sse2_movsd): Add memory alternatives.
7099         (sse_storelps): Turn expander into an insn; split after reload.
7100         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
7101         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
7102
7103 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7104
7105         * configure.ac (DWARF-2 debug_line): Use objdump.
7106         * configure: Regenerate.
7107
7108 2005-01-08  Jeff Law  <law@redhat.com>
7109             Diego Novillo  <dnovillo@redhat.com>
7110
7111         PR tree-optimization/18241
7112         * tree-nrv.c (tree_nrv): Ignore volatile return values.
7113         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
7114         statements with volatile operands.
7115         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
7116         operands after marking a statement with has_volatile_ops.
7117
7118 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7119
7120         * tree.c (int_fits_type_p): Always honor integer constant
7121         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
7122
7123 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7124
7125         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
7126         the latent bug in rtl_delete_block has been resolved.
7127
7128 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7129
7130         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
7131         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
7132
7133 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7134
7135         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
7136         library as @multilib_dir@/$(SHLIB_SONAME).
7137
7138 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7139
7140         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
7141         * configure: Regenerate.
7142
7143 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7144
7145         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
7146         TYPE_MODE.
7147
7148 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
7149
7150         PR target/13674
7151         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7152         Convert non-word aligned offset address using ld/std into
7153         indirect address.
7154
7155 2005-01-07  Richard Henderson  <rth@redhat.com>
7156
7157         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
7158
7159 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
7160
7161         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
7162
7163 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7164
7165         PR tree-optimization/19283
7166         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
7167         is not shorter than the original type.
7168
7169         PR rtl-optimization/19012
7170         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
7171
7172         PR rtl-optimization/18861
7173         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
7174         (FULL_STATE): Define.
7175         (mark_tablejump_edge): New function.
7176         (purge_dead_tablejump_edges): New function.
7177         (find_bb_boundaries): Use it.
7178
7179         PR tree-optimization/18828
7180         * builtins.c (expand_builtin_next_arg): Remove argument and all
7181         the argument checking.
7182         (expand_builtin): Adjust caller.
7183         (expand_builtin_va_start): Likewise.  Remove error for too many
7184         arguments.
7185         (fold_builtin_next_arg): Issue error for too many arguments.
7186         After checking arguments, replace them with magic arguments that
7187         prevent further checking of the args.
7188
7189 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7190
7191         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
7192
7193 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7194
7195         PR target/6077
7196         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
7197         and %{.S:...} (and their negative variants) to test whether the
7198         input file is assembler or pre-processed-assembler independent of
7199         the actual filename extension.
7200
7201 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7202
7203         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
7204         of sign or zero extended values.
7205
7206 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
7207
7208         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
7209         for IBM long double format correctly.
7210
7211 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
7212
7213         Fix PR tree-optimization/18792
7214
7215         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
7216         to first_loop_depth, and use loop depth instead of loop number.
7217         (build_classic_dir_vector): Ditto.
7218         (compute_data_dependences_for_loop): Use depth, not loop number.
7219         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
7220         number. Pass in loops, instead of loop numbers.
7221         (gather_interchange_stats): Ditto.
7222         (linear_transform_loops): Ditto.
7223
7224 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
7225
7226         PR rtl-opt/13299
7227         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
7228         biv_fits_mode_p, extension_within_bounds_p): New functions.
7229         (check_ext_dependent_givs): Use them.
7230
7231 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7232
7233         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
7234         more than one barrier, in which case we should delete them all.
7235
7236 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
7237
7238         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
7239
7240 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
7241
7242         Fix PR middle-end/19286
7243         Fix PR debug/19267
7244         * dwarf2out.c (gen_subprogram_die): If we've already tried to
7245         output this subprogram, simply ignore this attempt to do it again.
7246         (add_abstract_origin_attribute): Don't abort trying to add the abstract
7247         origin attribute if it's not possible.
7248         (gen_block_die): Don't ignore subblocks of "unused" blocks.
7249         (decls_for_scope): Ditto.
7250         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
7251         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
7252
7253 2005-01-05  Richard Henderson  <rth@redhat.com>
7254
7255         PR target/11327
7256         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
7257         (bdesc_2arg): Use it.
7258         (ix86_expand_binop_builtin): Force operands into registers
7259         when optimizing.
7260         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
7261         ix86_expand_sse_compare, ix86_expand_sse_comi,
7262         ix86_expand_builtin): Likewise.
7263
7264 2005-01-05  Richard Henderson  <rth@redhat.com>
7265
7266         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
7267         and VEC_SELECT.
7268         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
7269         (mulv4hi3): Set itanium_class mmmul.
7270         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
7271         (fpack): Rename from fpack_sfsf.
7272
7273 2005-01-05  Richard Henderson  <rth@redhat.com>
7274
7275         PR rtl-opt/10692
7276         * reload1.c (do_input_reload): Restrict the optimization deleteing
7277         a previous output reload to RELOAD_FOR_INPUT.
7278
7279 2005-01-05  Steven Bosscher  <stevenb@suse.de>
7280
7281         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
7282         comment that we fall through after case.
7283         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
7284         (distribute_links): Likewise.
7285         * cse.c (cse_insn): Likewise.
7286         * cselib.c (cselib_invalidate_mem): Likewise.
7287         * df.c: Update comments at the top of the file.
7288         (read_modify_subreg_p): Update comments here too.
7289         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
7290         * flow.c (mark_set_1): Likewise.
7291         (mark_used_regs): Likewise.
7292         * gcse.c (mems_conflict_for_gcse_p): Likewise.
7293         (canon_list_insert): Likewise.
7294         (mark_set): Likewise.
7295         (try_replace_reg): Likewise.
7296         (store_killed_in_insn): Likewise.
7297         * loop.c (count_one_set): Likewise.
7298         (basic_induction_var): Likewise.
7299         * postreload-gcse.c (find_mem_conflicts): Likewise.
7300         * postreload.c (reload_combine_note_store): Likewise.
7301         (move2add_note_store): Likewise.
7302         * reload.c (find_equiv_reg): Likewise.
7303         (mark_referenced_resources): Likewise.
7304         * rtlanal.c (set_noop_p): Likewise.
7305         (note_stores): Likewise.
7306         (note_uses): Likewise.
7307         * sched-deps.c (sched_analyze_1): Likewise.
7308         * sched-rgn.c (check_live_1): Likewise.
7309         (update_live_1): Likewise.
7310         * config/i860/i860.c: Likewise.
7311
7312         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
7313         an lvalue.
7314         (ZERO_EXTRACT): Mention that this one can be an lvalue.
7315
7316         * doc/rtl.texi: Update documentation for bit-fields and SET.
7317
7318 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7319
7320         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
7321
7322 2005-01-05  Jan Hubicka  <jh@suse.cz>
7323             Richard Henderson  <rth@redhat.com>
7324
7325         PR target/18910
7326         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
7327         with an offset.
7328
7329 2005-01-05  Richard Henderson  <rth@redhat.com>
7330
7331         PR target/12902
7332         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
7333         (sse_shufps): Change operand 3 to const_int_operand.
7334         (sse2_storelps): Fix typo in template.
7335         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7336         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7337         (ix86_expand_builtin): Likewise.
7338
7339 2005-01-05  Julian Brown  <julian@codesourcery.com>
7340
7341         * config/arm/arm.c (arm_return_in_memory): Treat complex types
7342         as aggregates for AAPCS ABIs.
7343
7344 2005-01-05  Stan Shebs  <shebs@apple.com>
7345
7346         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7347         Mach-O getters if ppc64.
7348         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7349         size argument.
7350         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7351         signed four-byte field for global code case.
7352         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7353
7354 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7355
7356         PR middle-end/19100
7357         * c-common.c: Include real.h.
7358         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7359         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7360         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7361         * Makefile.in (c-common.o): Update dependencies.
7362
7363 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7364
7365         * c-parse.in (asm_string): Add trailing semicolon.
7366
7367 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7368
7369         * c-parse.in (asm_string): New.  Don't allow wide strings in
7370         'asm'.
7371         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7372         asm_string instead of STRING.
7373
7374 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7375
7376         * c-typeck.c (constructor_no_implicit): Remove.
7377         (set_designator, process_init_element): Don't check
7378         constructor_no_implicit.
7379
7380 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
7381             Kaz Kojima  <kkojima@gcc.gnu.org>
7382
7383         PR target/16482
7384         * lcm.c (create_pre_exit): New.
7385         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7386         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
7387
7388 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7389
7390         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7391         -msoft-float in target_float_switch.
7392         * arm.c (arm_override_options): Fix processing of target_float_switch.
7393
7394 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7395
7396         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7397         preferencing.
7398
7399 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
7400
7401         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7402         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7403
7404 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7405
7406         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7407         if deleting the then-block allows the test-block to fallthru to the
7408         else-block.
7409
7410 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
7411
7412         PR c/19152
7413         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7414         after the full declaration if the are in two different TUs.
7415
7416 2005-01-04  Richard Henderson  <rth@redhat.com>
7417
7418         PR tree-opt/19158
7419         * tree-sra.c (generate_one_element_init): Just
7420         call gimplify_and_add.
7421         (generate_element_init): Record the
7422         new referenced variables and mark them for renaming
7423         and split out to ...
7424         (generate_element_init_1): This.
7425         (scalarize_init): Don't call push_gimplify_context/
7426         pop_gimplify_context.
7427
7428 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
7429
7430         * toplev.c (get_src_pwd): Handle failure of getpwd().
7431
7432 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7433
7434         * fold-const.c (fold_single_bit_test): Delete unreachable handling
7435         of TRUTH_NOT_EXPR.
7436         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7437         all the cases handled by it are inverted by invert_truthvalue.
7438
7439 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7440
7441         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7442         (save_register_windowsi): Likewise.
7443
7444 2005-01-04  Richard Henderson  <rth@redhat.com>
7445
7446         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7447
7448 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7449
7450         PR middle-end/17767
7451         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7452         any simplifications of vector mode comparison operators.
7453         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7454
7455 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
7456             Devang Patel  <dpatel@apple.com>
7457
7458         PR tree-optimization/18308
7459         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7460         the operands before creating a new expression.
7461         * dojump.c (do_jump): Make drop_through_label available
7462         for all cases.  Add expansion of COND_EXPR.
7463
7464 2005-01-04  Ira Rosen  <irar@il.ibm.com>
7465
7466         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7467         INTEGER_CST instead of TREE_CONSTANT.
7468         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7469         instead of TREE_CONSTANT.
7470         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7471         instead of TREE_CONSTANT.
7472
7473 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7474
7475         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7476
7477 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7478
7479         PR target/19240
7480         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7481         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7482
7483 2005-01-03  Richard Henderson  <rth@redhat.com>
7484
7485         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7486         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7487         fold_convert_const_real_from_real): Split out from ...
7488         (fold_convert_const): ... here.
7489
7490 2005-01-03  Richard Henderson  <rth@redhat.com>
7491
7492         PR target/19235
7493         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7494         (mov<MMXMODEI>_internal): Likewise.
7495         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7496         Add V2SF case; use it for SSE1; don't use TI.
7497         (movdf_integer): Likewise.
7498         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7499
7500 2005-01-03  Ira Rosen  <irar@il.ibm.com>
7501
7502         * tree-vectorizer.c (vect_strip_conversions): New function.
7503         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7504         check for binary class.
7505
7506 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
7507
7508         Fix PR debug/17924
7509         Fix PR debug/19191
7510         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7511         is a decl.
7512         * gimple-low.c (mark_blocks_with_used_vars): New function.
7513         (mark_blocks_with_used_subblocks): Ditto.
7514         (mark_used_blocks): Ditto.
7515         (pass_mark_used_blocks): New pass.
7516         * tree-inline.c: Include debug.h.
7517         (expand_call_inline): Call outlining_inline_function here.
7518         * tree-optimize.c (init_tree_optimization_passes): Add
7519         pass_mark_used_blocks.
7520         * tree-pass.h (pass_mark_used_blocks): New.
7521         * Makefile.in (tree-inline.o): Add debug.h dependency.
7522
7523 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7524
7525         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7526         VAR_DECLs to have weak_import attribute.
7527
7528         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7529         'struct ucontext'.
7530
7531 2004-01-03  Steven Bosscher  <stevenb@suse.de>
7532
7533         * passes.c (rest_of_compilation): Don't run regmove if only
7534         flag_expensive_optimizations, require flag_regmove instead.
7535
7536 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7537
7538         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7539         register "sparc".
7540         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7541         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7542         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7543         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7544
7545 2005-01-03  Richard Henderson  <rth@redhat.com>
7546
7547         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7548         (ia64_const_ok_for_letter_p): New.
7549         (ia64_const_double_ok_for_letter_p): New.
7550         (ia64_extra_constraint): New.
7551         (ia64_expand_vecint_compare): New.
7552         (ia64_expand_vcondu_v2si): New.
7553         (ia64_expand_vecint_cmov): New.
7554         (ia64_expand_vecint_minmax): New.
7555         (ia64_print_operand): Add 'v'.
7556         (ia64_preferred_reload_class): New.
7557         (ia64_vector_mode_supported_p): New.
7558         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7559         (PREFERRED_RELOAD_CLASS): Move to function.
7560         (CONST_OK_FOR_LETTER_P): Move to function.
7561         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7562         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7563         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7564         (EXTRA_CONSTRAINT): Move to function.
7565         * config/ia64/ia64.md: Include vect.md.
7566         (itanium_class): Add mmalua.
7567         (type): Handle it.
7568         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
7569         (1b_mmalua): New.
7570         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7571         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7572         CONST0_RTX.
7573         (const_int_2bit_operand): New.
7574         (fr_reg_or_0_operand): New.
7575         * config/ia64/ia64-modes.def: Add vector modes.
7576         * config/ia64/ia64-protos.h: Update.
7577         * config/ia64/vect.md: New file.
7578
7579 2005-01-03  Richard Henderson  <rth@redhat.com>
7580
7581         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7582
7583 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
7584
7585         PR target/19236
7586         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7587         to SFmode.
7588         (log1pdf2): Change mode of operands[0,1] to DFmode.
7589
7590 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7591
7592         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7593         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7594         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7595         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7596         SPARC_RELAXED_ORDERING.
7597
7598 2005-01-03  Richard Henderson  <rth@redhat.com>
7599             Uros Bizjak  <uros@kss-loka.si>
7600
7601         PR target/14631
7602         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7603         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7604         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7605         handling.
7606         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7607         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7608         const_pow2_1_to_128_operand): New predicates.
7609
7610 2005-01-02  Greg McGary  <greg@mcgary.org>
7611
7612         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7613         anonymous decls.
7614         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7615         object.  [ptr_type]: Remove unused variable.
7616         Remember nearest addressable array-element or record-component
7617         when checking bitfield components.  Tolerate empty BIND_EXPR.
7618
7619 2005-01-01  Richard Henderson  <rth@redhat.com>
7620
7621         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7622         that don't narrow the value.  Fail for other conversions.
7623
7624 2005-01-01  Richard Henderson  <rth@redhat.com>
7625
7626         PR c/19031
7627         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7628         * c-lang.c (finish_file): Don't do it here.
7629         * objc/objc-act.c (objc_finish_file): Likewise.
7630
7631         * cgraph.c (decl_assembler_name_equal): New.
7632         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7633         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7634         * cgraph.h (struct cgraph_varpool_node): Add next.
7635         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7636         * varasm.c (assemble_alias): Mark the target as needed.
7637
7638 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
7639
7640         PR middle-end/19221
7641         * function.c (get_arg_pointer_save_area): Use entry_of_function
7642         instead of get_insns.
7643
7644 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7645             Andrew Pinski  <pinskia@physics.uc.edu>
7646             James E. Wilson  <wilson@specifixinc.com>
7647
7648         PR rtl-optimization/12092
7649         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7650         is zero.
7651
7652 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7653             Olivier Hainque  <hainque@act-europe.fr>
7654
7655         * tree.c (int_fits_type_p): A narrower type always fits in a
7656         wider one, except for negative values into unsigned types.
7657
7658 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7659
7660         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7661         with the original constant rather than require TREE_OVERFLOW.
7662
7663 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7664
7665         PR middle-end/17544
7666         * c-decl.c (finish_function): If compiling C99, annotate the
7667         compiler generated return with the current file name and line 0.
7668         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7669         the source line is greater than 0.
7670         (remove_bb): Likewise.
7671
7672 See ChangeLog.12 for earlier changes.