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* config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2
3         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
4         __builtin_expect.
5
6 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
7
8         * config/fp-bit.h (LSHIFT): Take shift count parameter.
9         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
10         bit at a time.
11
12 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
13
14         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
15         secondary_input_reload_class, made static.  Adapt to new
16         infrastructure.
17         (secondary_output_reload_class): Delete.
18         (TARGET_SECONDARY_RELOAD): New macro.
19         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
20         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
21
22 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
23
24         PR c++/21166
25         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
26         when its natural alignment is > BITS_PER_UNIT.
27         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
28         * c-common.c (handle_packed_attribute): Ignore packing on a field
29         whose type is naturally char aligned.
30
31 2005-11-28  Richard Guenther  <rguenther@suse.de>
32
33         * c-common.c (strict_aliasing_warning): Handle all
34         component-ref like accesses.
35
36 2005-11-28  Roger Sayle  <roger@eyesopen.com>
37             Uros Bizjak  <uros@kss-loka.si>
38
39         PR middle-end/20219
40         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize 
41         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
42         when flag_unsafe_math_optimizations is set and
43         we don't care about NaNs or Infinities.
44
45         Move x/expN(y) and x/pow(y,z) transformation into common
46         flag_unsafe_math_optimizations section.
47
48 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
49
50         * gcc.c (main): Change type of argv to "char **".
51
52 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
53
54         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
55         small data sections.
56         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
57         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
58         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
59         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
60         output locals to sbss if !rs6000_elf_in_small_data_p.
61         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
62
63 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
64
65         PR target/24997
66         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
67         generated by reload.
68         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
69         indexed_or_indirect_address.
70         (indexed_or_indirect_address): Don't test for base reg.  Call
71         address_operand last.  Make it a special predicate.
72
73 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
74
75         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
76
77 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
78
79         PR middle-end/24575
80         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
81         is undefined.
82         (negate_expr): Likewise.
83
84 2005-11-27  Andreas Schwab  <schwab@suse.de>
85
86         * config/m68k/m68k.c: Reindent and fix whitespace, remove
87         redundant parens.
88
89 2005-11-27  Steven Bosscher  <stevenb@suse.de>
90
91         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
92         has EH predecessor edges.
93
94 2005-11-26  Eric Christopher  <echristo@apple.com>
95
96         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
97         register stalls by zero extending to the full register.
98
99 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
100
101         * config/floatunsisf.c, config/floatunsidf.c,
102         config/floatunsixf.c, config/floatunsitf.c: New files.
103         * config/ia64/t-hpux: Add floatunsitf.c.
104         * config/ia64/ia64.c (ia64_init_libfuncs): Use
105         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
106
107 2005-11-26  Richard Henderson  <rth@redhat.com>
108
109         * c-lex.c (pragma_lex): Rename from c_lex.
110         * c-pch.c: Update for pragma_lex rename.
111         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
112         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
113         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
114         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
115         * doc/tm.texi: Likewise.
116
117 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
118
119         PR middle-end/23669
120         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
121         when overflow is undefined.
122
123 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
124
125         * doc/md.texi (Insn Canonicalizations): Refer to the
126         function commutative_operand_precedence for further rules.
127
128 2005-11-25  Roger Sayle  <roger@eyesopen.com>
129
130         PR middle-end/21309
131         * expmed.c (choose_mult_variant): Return immediately when mult_cost
132         is less than zero.  Limit mult_cost to a reasonable upper bound for
133         the synthetic multiplication sequence.
134
135 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
136
137         PR middle-end/25022
138         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
139         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
140         Lookup the explicit replacement functions for any unlocked
141         stdio builtin transformations.
142
143 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
144
145         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
146         earlyclobber.
147         * targhooks.c (default_secondary_reload): Don't require operand 2
148         for an input reload to be earlyclobber.
149
150 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
151
152         * fold-const.c (negate_mathfn_p): Fix comment and add support
153         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
154         BUILT_IN_ATANH.
155
156 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
157
158         PR middle-end/24998
159         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
160         _Q_ulltoq for unsigned conversions from SImode and DImode to
161         TFmode.
162
163 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
164
165         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
166         (__floatundidf, __floatundisf): Likewise.
167
168 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
169
170         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
171         (rs6000_override_options): Remove initialization of
172         rs6000_sr_alias_set.
173         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
174         (rs6000_emit_stack_tie): Same.
175         (emit_frame_save): Same.
176         (gen_frame_mem_offset): Same.
177         (rs6000_emit_prologue): Same.
178         (rs6000_emit_epilogue): Same.
179
180 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
181
182         PR middle-end/24989
183         * fold-const.c (fold_build): Convert bool_var != 1 and
184         bool_var == 0 to !bool_var.
185
186 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
187
188         PR middle-end/24990
189         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
190         for C being INTEGER_CST.  Likewise for !=.
191
192 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
193
194         PR middle-end/24998
195         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
196         unsigned conversions from SImode to TFmode.
197
198 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
199
200         * expr.c (expand_expr_real_1): Fix error in last change.
201
202 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
203
204         * caller-save.c: (this_insn_sets): Move into:
205         (save_call_clobbered_regs).
206         (mark_set_regs): Get this_insn_sets from data.
207
208         (save_call_clobbered_regs): Take sets of the return value by
209         sibcalls into account.
210
211 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
212         PR target/21623:
213
214         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
215         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
216         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
217         (memory_move_secondary_cost, init_reg_autoinc): Remove
218         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
219         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
220         secondary_reload_class call.
221         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
222         callers.
223         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
224         (push_secondary_reload): Use secondary_reload target hook.
225         (secondary_reload_class, scratch_reload_class): New functions.
226         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
227         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
228         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
229         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
230         (secondary_reload_class, scratch_reload_class): Declare.
231         * reload1.c: Include target.h.
232         (reload_adjust_reg_for_temp): New function.
233         (reload_adjust_reg_for_icode): Likewise.
234         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
235         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
236         call.
237         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
238         for inheritance.  Support case when both secondary & tertiary reloads
239         are for intermediate registers.
240         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
241         with secondary_reload_class call.  Support case when both secondary
242         & tertiary reloads are for intermediate registers.
243         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
244         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
245         * target.h (secondary_reload_info): New struct / typedef.
246         (struct gcc_target): New member secondary_reload.
247         * targhooks.c Include reload.h, optabs.h and recog.h.
248         (default_secondary_reload): New function.
249         * targhooks.h (default_secondary_reload): Declare.
250         * doc/tm.texi: Document secondary_reload target hook.  Update
251         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
252         * doc/md.texi: Likewise.
253
254         * sh-protos.h (sh_secondary_reload): Declare.
255         * sh.c (TARGET_SECONDARY_RELOAD): Override.
256         (sh_secondary_reload): New function.
257         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
258         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
259         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
260         (HAVE_SECONDARY_RELOADS): Define.
261         * sh.md (reload_indf): Rename to:
262         (reload_indf__frn).
263         (reload_outdf): Rename to:
264         (reload_outdf__RnFRm).
265         (reload_insf): Rename to:
266         (reload_insf__frn).
267         (reload_insi): Rename to:
268         (reload_insi__i_fpul).
269
270 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
271
272         * configure.ac: Require at least texinfo 4.4.
273         * configure: Regenerate.
274
275         * doc/install.texi (Tools/packages necessary for building GCC):
276         Update required version of texinfo to at least 4.4.
277         (Installing GCC: Building): Update required version of texinfo
278         to at least 4.4.
279         (Installing GCC: Final installation): Update required version
280         of texi2dvi to at least 4.4.
281         (Host/target specific installation notes for GCC): Update required
282         version of texinfo to at least 4.4.
283
284 2005-11-24  Richard Guenther  <rguenther@suse.de>
285         Dirk Mueller <dmueller@suse.de>
286
287         PR c++/14024
288         * c-common.h (strict_aliasing_warning): Declare.
289         * c-common.c (strict_aliasing_warning): New function,
290         split out from ...
291         * c-typeck.c (build_c_cast): ... here.
292
293 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
294
295         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
296         to order operands.
297         (swap_commutative_operands_with_target): New.
298
299 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
300
301         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
302         also when doing PRE, rather than only for global CPROP.
303
304 2005-11-24  Ben Elliston  <bje@au.ibm.com>
305
306         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
307         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
308         formatting.
309         (expand_twoval_unop): Likewise.
310         (widen_clz): Likewise.
311         (expand_parity): Likewise.
312         (expand_unop): Likewise.
313         (emit_cmp_and_jmp_insn_1): Likewise.
314         (prepare_float_lib_cmp): Likewise.
315
316 2005-11-24  Ben Elliston  <bje@au.ibm.com>
317
318         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
319         Remove unused `class' variable.
320
321 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
322
323         PR c++/21667
324         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
325         C/C++ diagnostic function warn_array_subscript_with_type_char.
326         * c-common.h (warn_array_subscript_with_type_char): Declare.
327         * c-common.c (warn_array_subscript_with_type_char): Define.
328
329 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
330
331         PR c/21668
332         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
333         compiling at the intersection of C and C++.
334
335 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
336
337         * doc/invoke.texi: For man pages, include gcc-vers.texi.
338         List @file in the option summary.  Include the libiberty
339         documentation for @file.
340         * gcc.c (main): Call expandargv.
341         * Makefile.in (gcc-vers.texi): Define srcdir.
342
343 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
344
345         * passes.c (init_optimization_passes): Document
346         sequencing of passes.
347
348 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
349
350         * config/m68k/predicates.md (pcrel_address, extend_operator,
351         post_inc_operand, pre_dec_operand): Remove redundant
352         conditionals.
353         (const_uint32_operand, const_sint32_operand): Use gcc_assert
354         instead of abort.
355         (valid_dbcc_comparison_p): Rewrite in the lisp style.
356
357 2005-11-23  Ben Elliston  <bje@au.ibm.com>
358
359         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
360
361 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
362
363         Preparatory work for PR target/21623:
364         * alpha.c (secondary_reload_class): Rename to:
365         (alpha_secondary_reload_class).
366         * alpha.h, alpha-protos.h: Likewise.
367         * mn10300.c (secondary_reload_class): Rename to:
368         (mn10300_secondary_reload_class).
369         * mn10300.h, mn10300-protos.h: Likewise.
370         * pa.c (secondary_reload_class): Rename to:
371         (pa_secondary_reload_class).
372         * pa.h, pa-protos.h: Likewise.
373         * rs6000.c (secondary_reload_class): Rename to:
374         rs6000_secondary_reload_class.
375         * rs6000.h, rs6000-protos.h: Likewise.
376
377 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
378
379         PR middle-end/22561
380         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
381
382 2005-11-22  Ian Lance Taylor  <ian@airs.com>
383
384         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
385         a mode_class.
386         (prepare_cmp_insn): Likewise.
387
388 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
389
390         PR target/23435
391         * m68k.md (zero_extendsidi2): Force operands[1] to a register
392         if both operands[0] and operands[1] are memory.
393
394 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
395
396         PR middle-end/23606
397         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
398         COMPARISON_CLASS_P and an integral types create create a new
399         expression with the new type and fold that.
400
401 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
402
403         PR target/24988
404         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
405         to SUBTARGET_OS_CPP_BUILTINS.
406
407 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
408
409         * arm.c (emit_set_insn): New function.
410         (arm_split_constant): Call it.
411         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
412         (arm_legitimize_address): Likewise.  Use plus_constant.
413         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
414         (thumb_expand_prologue): Likewise.
415         (arm_gen_load_multiple): Use VOIDmode in SET.
416         (arm_gen_store_multiple): Likewise.
417         (vfp_emit_fstmx): Likewise.  Use plus_constant.
418         (emit_multi_reg_push): Likewise.
419         (emit_sfm): Use plus_constant.
420
421 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
422
423         PR target/24954
424         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
425         typo last change.
426
427 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
428
429         PR middle-end/24950
430         * expmed.c (store_bit_field): Don't attempt to insv a field
431         larger than the reg.
432
433 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
434
435         PR target/24954
436         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
437         explicit sign extension, not a (char) cast.
438
439 2005-11-22  Ben Elliston  <bje@au.ibm.com>
440
441         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
442         GET_MODE_CLASS (x) == MODE_FLOAT.
443         * config/i386/i386.c: Likewise.
444         * config/rs6000/xcoff.h: Likewise.
445         * config/rs6000/linux64.h: Likewise.
446         * config/rs6000/rs6000.c: Likewise.
447         * config/rs6000/rs6000.h: Likewise.
448         * config/rs6000/predicates.md: Likewise.
449         * config/rs6000/sysv4.h: Likewise.
450
451 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
452
453         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
454         flag_pic is set.
455
456         * config/alpha/freebsd.h, config/alpha/linux.h,
457         config/arm/linux-elf.h, config/bfin/bfin.h,
458         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
459         config/i386/beos-elf.h, config/i386/gnu.h,
460         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
461         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
462         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
463         config/rs6000/linux64.h, config/rs6000/sysv4.h,
464         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
465         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
466         config/sparc/linux.h, config/sparc/linux64.h,
467         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
468
469         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
470         are both defined when either flag -fpic or -fPIC are used.
471
472 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
473
474         * config/fp-bit.c (clzusi): New function.
475         (si_to_float, usi_to_float): Use it to compute proper shift.
476         (usi_to_float): Preserve guard bits when shifting right.
477         * libgcc-std.ver (GCC_4.2.0): New version.
478         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
479         __floatundisf): New functions.
480         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
481         __floatundisf): Declare.
482         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
483         _floatundixf, and _floatunditf.
484         * optabs.c (expand_float): If target does not define a pattern for
485         signed or unsigned conversion, use an unsigned libcall instead of
486         a signed one.
487         (init_optabs): Initialize ufloat_optab.
488
489 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
490
491         * config/rs6000/rs6000.opt (mmulhw): New option.
492         * doc/invoke.texi (-mmulhw): Document.
493         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
494         for 405 and 440.
495         * config/rs6000/rs6000.md: Add half-word multiply and
496         multiply-accumulate instructions for 405 and 440.
497
498 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
499
500         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
501         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
502         default now includes a linker group which makes the RTEMS one nest.
503
504 2005-11-22  Ben Elliston  <bje@au.ibm.com>
505
506         * cse.c (fold_rtx): Typo fix.
507         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
508
509 2005-11-21  Richard Henderson  <rth@redhat.com>
510
511         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
512         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
513
514         * c-tree.h (lookup_name): Move declaration ...
515         * c-common.h (lookup_name): ... here.
516         * config/darwin-c.c: Include c-common.h.
517         * config/t-darwin: Update dependencies.
518
519 2005-11-22  Ben Elliston  <bje@au.ibm.com>
520
521         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
522         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
523         * genopinit.c (gen_insn): Likewise.
524         * reload.c (find_equiv_reg): Likewise.
525         * loop.c (load_mems): Likewise.
526         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
527         * cse.c (find_comparison_args, fold_rtx): Likewise.
528         * dwarf2out.c (add_const_value_attribute): Likewise.
529         * expr.c (convert_move): Likewise.
530         * recog.c (general_operand, register_operand): Likewise.
531         * reg-stack.c (replace_reg): Likewise.
532         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
533         * c-common.c (handle_vector_size_attribute): Likewise.
534         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
535         (simplify_binary_operation_1): Likewise.
536         (simplify_const_binary_operation): Likewise.
537         (simplify_relational_operation): Likewise.
538         (simplify_const_relational_operation): Likewise.
539         (simplify_immed_subreg): Likewise.
540         * emit-rtl.c (gen_lowpart_common): Likewise.
541         * expmed.c (expand_mult): Likewise.
542         * stor-layout.c (layout_type): Likewise.
543
544 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
545
546         PR target/24951
547         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
548         cst2 only for SPE vectors.
549
550 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
551
552         PR target/24953
553         * config/rs6000/predicates.md (vrsave_operation): Check
554         UNSPEC_VOLATILE value.
555
556 2005-11-21  Jan Hubicka  <jh@suse.cz>
557
558         PR tree-optimization/24653
559         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
560
561 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
562
563         * config/i386/predicates.md (ax_reg_operand): New predicate.
564         (memory_displacement_only_operand): New predicate.
565         * config/i386/i386.md ("modrm" attribute): Return 0 if one
566         operand is AX register and the other operand is memory operand
567         with displacement only.
568
569 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
570
571         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
572         if we don't care about NaNs or Infinities.
573
574 2005-11-20  Ian Lance Taylor  <ian@airs.com>
575
576         PR rtl-optimization/24883
577         * combine.c (combinable_i3pat): When checking whether the
578         destination of i3 is used in i3, consider paradoxical subregs.
579
580 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
581
582         PR middle-end/20583
583         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
584
585 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
586
587         * combine.c (try_combine): Do not run subst on i1src and i2src in
588         the case of generating a PARALLEL for a comparison.
589
590 2005-11-20  Richard Henderson  <rth@redhat.com>
591
592         PR 24931
593         * tree-sra.c (struct sra_elt): Add all_no_warning.
594         (struct sra_walk_fns) <use>: Add use_all argument.
595         (sra_walk_expr): Pass it.
596         (sra_walk_modify_expr): Likewise.
597         (scalarize_ldst): Likewise.
598         (scan_use): Update for new argument.
599         (mark_no_warning): New.
600         (scalarize_use): Use it.
601
602 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
603
604         * expr.c (expand_expr_real): Use usmul_optab for widening
605         signed * unsigned multiplies.
606         * genopinit.c (optabs): Add usmul_widen_optab.
607         * optabs.c (init_optabs): Likewise.
608         * optabs.h (enum optab_index): Add OTI_usmul_widen.
609         (usmul_widen_optab): Define.
610         * config/bfin/bfin.md (usmulhisi3): New pattern.
611
612         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
613
614 2005-11-20  Graham Stott <btinternet.com>
615
616         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
617
618 2005-11-20  Andreas Schwab  <schwab@suse.de>
619
620         PR target/24757
621         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
622         insn.
623
624 2005-11-19  Richard Henderson  <rth@redhat.com>
625
626         PR tree-opt/24665
627         * tree-gimple.c (is_gimple_id): Export.
628         * tree-gimple.h (is_gimple_id): Declare.
629         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
630         (get_default_value): Use it.
631         (maybe_fold_stmt_indirect): Likewise.
632
633 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
634
635         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
636         than VR1 or vice-versa.
637
638 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
639
640         PR middle-end/24912
641         PR middle-end/24750
642         * reload.c (find_reloads_address_1): Mention dependency on
643         gen_reload.
644         * reload1.c (gen_reload): For IN with an unary operation, try
645         moving inner expression to OUT if trivial SET is not valid.
646         Confirm that the result is valid.  Move common code block into...
647         (emit_insn_if_valid_for_reload): New function.
648
649 2005-11-19  Richard Guenther  <rguenther@suse.de>
650
651         * fold-const.c (fold_indirect_ref_1): Make sure we fold
652         ARRAY_REFs of constant strings.
653
654 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
655
656         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
657         fatal format string.
658
659 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
660
661         * combine.c (make_compound_operation): Swap operands of
662         commutative operation if necessary before returning.
663
664 2005-11-19  Richard Guenther  <rguenther@suse.de>
665
666         PR middle-end/23294
667         * fold-const.c (fold_plusminus_mult_expr): New function.
668         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
669         cases, remove now unnecessary code.
670
671 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
672
673         * gensupport.c (old_preds): Rename to std_preds, add special field.
674         (struct old_pred_table): Rename to struct std_pred_table, add special
675         field.
676         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
677         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
678         (init_predicate_table): Adjust, and set along the way whether a
679         predicate is special.
680
681 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
682
683         * BASE-VER: Change to 4.2.0.
684
685 2005-11-18  James E Wilson  <wilson@specifix.com>
686
687         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
688         returning it.
689
690 2005-11-18  Mike Stump  <mrs@apple.com>
691
692         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
693         * config/darwin-c.c (darwin_pragma_unused): Likewise.
694         * c-decl.c (lookup_name_two) Remove.
695         * c-tree.h (lookup_name_two): Remove.
696         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
697         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
698         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
699         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
700
701 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
702
703         PR target/24914
704         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
705         when not generating code to use that co-processor.
706
707 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
708
709         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
710         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
711         these functions are now in tree-phinodes.c.
712
713 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
714
715         * config/bfin/bfin.md (trap): New pattern.
716
717 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
718
719         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
720         on types.
721
722         * expr.c (expand_expr_real): Don't call record_block_change unless
723         ib_boundaries_block is non-null
724
725         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
726
727         * fold-const.c (build_range_check): Use proper type for subtraction
728         when merging lower bound.
729
730 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
731
732         PR rtl-optimization/24497
733         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
734         the copied insn.
735
736 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
737
738         * tree-scalar-evolution.c (expression_expensive_p): New function.
739         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
740
741 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
742
743         * config/bfin/crtlibid.s: New file.
744
745 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
746
747         PR target/24348
748         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
749         when not using sjlj exceptions.
750         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
751         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
752         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
753         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
754         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
755         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
756         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
757         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
758         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
759         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
760         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
761         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
762         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
763         defines.
764         * config/pa/hpux-unwind.h: New file.
765
766 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
767
768         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
769         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
770         * varasm.c (do_assemble_alias): Adjust call.
771         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
772         is defined.
773         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
774
775 2005-11-17  James E Wilson  <wilson@specifix.com>
776
777         * tree.def (FUNCTION_DECL): Correct typo in comment.
778
779 2005-11-17  Richard Henderson  <rth@redhat.com>
780
781         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
782         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
783         and DW_CFA_def_cfa_sf.
784         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
785         (dbx_reg_number): Don't assert particular registers here.
786         (based_loc_descr): ... do it here instead.  Fold in ...
787         (eliminate_reg_to_offset): ... this function.
788         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
789         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
790         * unwind-dw2.c (execute_cfa_program): Apply data align factor
791         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
792         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
793         (instantiate_virtual_regs): Likewise.
794         * var-tracking.c (adjust_stack_reference): Likewise.
795         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
796
797 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
798
799         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
800         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
801         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
802         crtlibid.o.
803         ($(T)crtlibid.o): New rule.
804
805 2005-11-16  Richard Guenther  <rguenther@suse.de>
806
807         PR middle-end/24851
808         * fold-const.c (extract_array_ref): Return byte offset
809         in all cases.
810         (fold_binary): Fold &x[a] CMP &x[b] to
811         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
812         behavior.
813
814 2005-11-16  Richard Henderson  <rth@redhat.com>
815
816         PR middle-end/23497
817         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
818         parts of an SSA_NAME.
819
820 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
821
822         PR target/24861
823         * arm.md (split for movsf with immediate): Restrict split to insns
824         that set a general register.
825
826 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
827
828         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
829         uw_update_context.
830         * unwind-dw2.c (uw_advance_context): Likewise.
831         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
832         _Unwind_SjLj_Unregister.
833         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
834
835 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
836
837         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
838
839 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
840
841         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
842         langhook to get a DImode integer type.
843
844 2005-11-16  Richard Henderson  <rth@redhat.com>
845             J"orn Rennecke <joern.rennecke@st.com>
846             Ulrich Weigand  <uweigand@de.ibm.com>
847
848         PR rtl-opt/24160
849         PR target/24621
850         * reload1.c (reg_equiv_invariant): New.
851         (reload): Allocate, initialize, and free it.
852         (calculate_needs_all_insns): Check it when skipping equivalence
853         setting insns.
854         (alter_reg): Likewise.
855         (eliminate_regs_1): Rename from eliminate_regs.  Add new
856         may_use_invariant argument; only use reg_equiv_invariant when true.
857         (eliminate_regs): New.
858         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
859         a context for which may_use_invariant may be true.
860
861 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
862
863         * fold-const.c (const_binop): Don't constant fold the operation
864         if the result has overflowed and flag_trapping_math.
865         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
866
867 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
868
869         * config/arm/unwind-arm.c (abort): Add prototype here.
870         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
871         (struct phase1_vrs): Add prev_sp.
872         (unwind_phase2_forced): Save the original core registers instead of
873         modifying entry_vrs.  Take a new flag argument for resuming unwinding
874         and set action flags accordingly.  Always set _US_END_OF_STACK when
875         get_eit_entry fails.  Unwind before calling the stop function.
876         (_Unwind_GetCFA): New function.
877         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
878         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
879         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
880         just call unwind_phase2_forced.
881         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
882         * config/arm/unwind-arm.h (abort): Remove prototype.
883         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
884         prototypes.
885         (_Unwind_GetCFA): New prototype.
886         * config/arm/pr-support.c (abort): Add prototype here.
887         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
888         forced unwinding.
889         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
890         not schedule the prologue with non-call exceptions and EABI.
891
892 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
893
894         * config/arm/unwind-arm.h: Reorder interface function declarations.
895         (_URC_END_OF_STACK): New enumeration value.
896         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
897         (struct _Unwind_Control_Block): Document reserved field use.
898         (_Unwind_Stop_Fn): New typedef.
899         (_Unwind_ForcedUnwind): Declare.
900         (_Unwind_Resume_or_Rethrow): Declare.
901         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
902         argument.  Adjust.
903         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
904         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
905         (UCB_FORCED_STOP_ARG): New.
906         (search_EIT_table): Update boundary condition checks.
907         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
908         (unwind_phase2): Replace for with do..while.
909         (unwind_phase2_forced): New.
910         (__gnu_Unwind_RaiseException): Replace for with do..while.
911         (__gnu_Unwind_ForcedUnwind): New.
912         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
913         Use appropriate phase2 unwinder.
914         (__gnu_Unwind_Resume_or_Rethrow): New.
915         (__gnu_unwind_pr_common): Cope with forced unwinding.
916
917 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
918
919         PR target/24772
920         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
921
922         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
923         roundsf2): Remove "s" from mnemonic.
924
925 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
926
927         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
928         __PIC__ is defined.
929         * config/bfin/crtn.s: Change epilogues to match.
930         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
931         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
932         __PIC__ and __pic__.
933
934 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
935
936         PR 24357
937         * doc/invoke.texi: Distinguish between free and fixed form instead of
938         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
939         languages.
940         * gcc.c (default_compilers): Remove double entries, add entries for
941         suffixes '.F90' and '.F95'.
942
943 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
944
945         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
946         in the stack probing loop.
947
948 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
949
950         * configure.ac: Use .machine power5 not power5x.
951         * configure: Regenerate.
952
953 2005-11-15  Mike Stump  <mrs@apple.com>
954
955         * c-decl.c (lookup_name_two): Add.
956         * c-tree.h (lookup_name_two): Likewise.
957         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
958         * config/darwin-c.c (darwin_pragma_unused): Likewise.
959
960 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
961
962         PR rtl-optimization/23392
963         * regrename.c (enum scan_actions) Add mark_access.
964         (scan_actions_name): Ditto.
965         (scan_rtx_reg): Handle mark_access.
966         (scan_rtx_address): Do nothing for mark_access.
967         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
968         and regs in REG_INC notes before closing chains for dead regs.
969         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
970         opening chains for new writes.
971
972 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
973
974         * c.opt (ffixed-line-length-none): New.
975
976 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
977
978         * mklibgcc.in: Change contents of eh_dummy.c.
979
980 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
981
982         * loop.c (scan_loop): Do not insert temporaries for hard registers.
983
984 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
985
986         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
987         of making syscalls.
988         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
989
990 2005-11-15  Jan Hubicka  <jh@suse.cz>
991
992         * invoke.texi (large-unit-insns): Document.
993         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
994         * params.def (large-unit-insns): New param.
995
996 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
997
998         PR target/24869
999         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1000         special register for operand 3.  Reindent constraints to align
1001         them vertically.
1002
1003 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
1004
1005         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1006         -mpopcntb, -mfprnd. Add -mcpu=power5+.
1007         * configure.ac: Add test for FP rounding instructions.
1008         * configure: Regenerate.
1009         * config.in: Regenerate.
1010         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1011         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1012         features enabled.
1013         * config/rs6000/rs6000.opt (mfprnd): New.
1014         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1015         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1016         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1017         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1018         (TARGET_FPRND): New.
1019         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1020         UNSPEC_FRIZ): New.
1021         (btrunc<mode>2): New.
1022         (ceil<mode>2): New.
1023         (floor<mode>2): New.
1024         (round<mode>2): New.
1025
1026 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1027
1028         * gcc.c (version_compare_spec_function): Use fatal() rather than
1029         abort().
1030
1031         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1032         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1033         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1034         as empty.
1035         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1036         link in crt2.o.
1037
1038         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1039         on -mmacosx-version-min setting.
1040
1041 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1042
1043         PR 24840
1044         * tree-vrp.c (infer_value_range): Return false if STMT is a
1045         block terminator and its basic block has no successors.
1046
1047 2005-11-14  Mike Stump  <mrs@apple.com>
1048
1049         * config/i386/i386.c (override_options): -masm=intel isn't
1050         supported on darwin.
1051         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1052
1053 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1054
1055         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1056         vfork after including auto-host.h.
1057
1058 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1059
1060         PR rtl-optimization/22002
1061         * combine.c (distribute_notes): Detect cases where a reg dies
1062         two or more times in a bb, including on the insn we are combining,
1063         and place the death note on the correct range.
1064
1065 2005-11-14  Dale Johannesen  <dalej@apple.com>
1066
1067         * expmed.c (store_bit_field):  Add offset unconditionally for
1068         memory targets.
1069         (extract_bit_field):  Don't force extzv or extv operand into
1070         a register if field is too big.
1071
1072 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1073
1074         * config/arm/arm.c (pic_labelno): New.
1075         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1076         LABEL_REF.  Pass only the labelno to PIC insns.
1077         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1078         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1079         * arm.md (UNSPEC_PIC_LABEL): New constant.
1080         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1081         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1082         Use the correct label prefix.
1083
1084 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1085
1086         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1087         REQ_EQUIV note.
1088
1089 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1090
1091         * loop-invariant.c: Include tm_p.h.
1092         * Makefile.in: Updated.
1093
1094 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1095
1096         * pa.c (store_reg): Revise generation of frame notes in large frames.
1097         (set_reg_plus_d): Likewise.
1098
1099 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1100
1101         PR tree-optimization/24709
1102         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1103         loop check.
1104
1105 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1106
1107         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1108         and duplicate declaration of pthread_self.
1109
1110 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1111             Ian Lance Taylor  <ian@airs.com>
1112
1113         PR middle-end/24003
1114         * calls.c (expand_call): If TARGET is a MEM and some part of the
1115         argument area has been saved, force TARGET to a register.
1116
1117 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1118
1119         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1120         checking.
1121
1122 2005-11-13  Jason Merrill  <jason@redhat.com>
1123
1124         PR c++/22489
1125         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1126         lazily declared methods.
1127         (force_decl_die): Stop if forcing out the context already make a
1128         DIE for the decl.
1129         (force_type_die): Likewise.
1130
1131 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1132
1133         PR middle-end/24820
1134         * builtins.c (integer_valued_real_p): Add break in
1135         REAL_CST having TREE_OVERFLOW set.
1136
1137 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1138
1139         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1140         addressing modes during calculation of costs.
1141
1142 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1143
1144         * function.c (assign_stack_local_1): Restrict sanity check
1145         on frame size overflow to 32-bit and above platforms.
1146
1147 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1148
1149         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1150         * config/cris/cris.c: Include reload.h.
1151         (cris_initial_elimination_offset): New function.
1152         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1153         Prototype.
1154
1155 2005-11-12  Richard Guenther  <rguenther@suse.de>
1156
1157         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1158
1159 2005-11-12  Jan Hubicka  <jh@suse.cz>
1160
1161         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1162         to compare against 0 when possible.
1163
1164 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1165
1166         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1167         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1168         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1169         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1170         in the new order.
1171
1172 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1173
1174         * recog.c (constrain_operands) <case 'g'>: For a match, require
1175         that a non-register matches general_operand when strict >= 0.
1176
1177 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1178
1179         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1180         previous checkin.
1181
1182 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1183
1184         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1185         (memory_address_same): New.
1186         (dse_optimize_stmt): Call memory_address_same.
1187
1188 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1189
1190         PR middle-end/24750
1191         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1192         ZERO_EXTEND>: New cases.
1193
1194 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1195
1196         * longlong.h (__clz_tab): Always provide.
1197
1198 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1199
1200         PR 24265
1201         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1202         can be assigned to.
1203         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1204         before check_maybe_invariant.
1205         (move_invariant_reg): Use gen_move_insn instead of replacing
1206         SET_DEST with the temporary for the invariant.
1207         (move_loop_invariants): If checking is enabled, do internal
1208         consistency checks after completing the pass.
1209
1210 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1211
1212         PR 24644
1213         * common.opt (Wvolatile-register-var): New.
1214         * varasm.c (make_decl_rtl): Only emit warning when option
1215         specified.  Clarify warning message.
1216         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1217
1218         * doc/md.texi (copysign): Document standard named pattern.
1219
1220 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1221
1222         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1223         bytes when align is 2.
1224         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1225         by the first instruction of the loop.
1226
1227 2005-11-11  Jason Merrill  <jason@redhat.com>
1228
1229         PR c++/24686
1230         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1231         the cleanup list.
1232
1233 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1234
1235         PR rtl-optimization/22509
1236         * local-alloc.c (memref_used_between_p): Check whether a function call
1237         could not reference the memref.
1238
1239 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1240
1241         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1242         algorithm so as to choose the best, not the worst, alternative.
1243         Reset accumulated register class before processing next alternative.
1244
1245 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1246
1247         PR target/24445
1248         * calls.c (expand_call): Copy a return value to a plain register
1249         if needed.
1250
1251 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1252
1253         PR target/24778
1254         * varasm.c (assemble_name): Recompute name only for transparent
1255         aliases.
1256
1257 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1258
1259         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1260
1261 2005-11-04  Jeff Law  <law@redhat.com>
1262
1263         PR middle-end/23181
1264         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1265         perform reassociation if the parent statement will not die as
1266         a result of the optimization.
1267
1268 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1269
1270         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1271         delete_old_heap_vars.
1272         * tree-dfa.c (referenced_var_remove): Remove function.
1273         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1274         (delete_tree_ssa): Remove call to delete_old_heapvars.
1275         Add call to delete_alias_heapvars.
1276         * tree-flow.h (referenced_var_remove): Remove prototype
1277         (init_alias_heapvars): New prototype.
1278         (delete_alias_heapvars): Ditto.
1279         * Makefile.in (tree-ssa-structalias.o): Add
1280         gt-tree-ssa-structalias.o
1281         (GTFILES): Add tree-ssa-structalias.h and
1282         tree-ssa-structalias.c.
1283         (s-gtype): Add gt-tree-ssa-structalias.h.
1284         * tree-ssa-structalias.c (heapvars): Remove.
1285         (oldheapvars): Remove.
1286         (heapvar_for_stmt): New variable.
1287         (heapvar_lookup): New function.
1288         (heapvar_insert): Ditto.
1289         (get_constraint_for): See if we have an old heapvar
1290         to reuse.
1291         (init_alias_heapvars): New function.
1292         (delete_alias_heapvars): Ditto.
1293         Add include of gt-tree-ssa-structalias.h.
1294
1295 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1296
1297         PR middle-end/22127
1298         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1299
1300 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1301
1302         * tree.c (int_fits_type_p): Only look at the base type
1303         if it has the same precision as the original type.
1304
1305 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR other/4372
1308         * varasm.c (assemble_alias): Use %q+D in the error
1309         message instead of %J and %qD.
1310
1311 2005-11-10  Richard Guenther  <rguenther@suse.de>
1312
1313         * gcse.c (free_ldst_entry): Only free hashtable if
1314         it exists.
1315
1316 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1317
1318         * function.c (assign_stack_local_1): Issue an error message if
1319         the frame size overflows in the signed target arithmetics.
1320
1321 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1322
1323         * tree.c (build_qualified_type): Chain the new type to the original
1324         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1325         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1326         (build_pointer_type_for_mode): Only return unqualified types.
1327         (build_reference_type_for_mode): Likewise.
1328
1329 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1330
1331         * Makefile.in (gnucompare): Do comparison of all files using one of
1332         the chosen methods and only afterwards decide if just warning should
1333         be issued or comparison failure raised.
1334
1335 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1336
1337         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1338         (noce_try_abs): Negate if the comparison is reversed.
1339         Look only one instruction backwards for a REG_EQUAL note.
1340
1341 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1342
1343         PR other/4372
1344         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1345         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1346         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1347         and prefix all uses with __ghtrw.
1348
1349 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1350
1351         PR other/4372
1352         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1353         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1354         * c-common.c (handle_weakref_attribute): New.
1355         (c_common_attribute_table): Add weakref.
1356         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1357         in the assembler.
1358         * configure, config.in: Rebuilt.
1359         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1360         * doc/extend.texi: Document weakref attribute.
1361         * varasm.c (ultimate_transparent_alias_target): New
1362         (assemble_name): Use it.
1363         (weak_finish_1): Split out of...
1364         (weak_finish): ... and deal with weakrefs in...
1365         (weakref_targets): ... new list.
1366         (globalize_decl): Clean up weakref_targets.
1367         (do_assemble_alias): Handle weakrefs.
1368         (finish_aliases_1): Do not reject weakrefs to external symbols.
1369         (assemble_alias): Handle weakrefs.
1370
1371 2005-11-09  Richard Guenther  <rguenther@suse.de>
1372
1373         PR tree-optimization/24716
1374         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1375         t_bool to track results from follow_ssa_edge.
1376
1377 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1378
1379         * final.c (force_source_line): New global variable.
1380         (final_scan_insn): Set it to true instead of clearing last_filename.
1381         (notice_source_line): Return true if force_source_line is true,
1382         unless source info is absent.
1383
1384 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1385
1386         PR c/24644
1387         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1388         a linkage name for a variable if it a register variable.
1389         * c-decl.c (grokdeclarator): Global register variables
1390         should be set as PUBLIC.
1391
1392 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1393
1394         PR 24624
1395         * config/s390/s390.c (struct s390_frame_layout): New fields
1396         first_save_gpr_slot and last_save_gpr_slot.
1397         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1398         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1399         first_save_gpr and last_save_gpr with the _slot variants.
1400         (s390_register_info): Calculate first_save_gpr_slot and
1401         last_save_gpr_slot using regs_ever_live.
1402
1403 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1404
1405         PR 24623
1406         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1407         for a function containing a landing pad.
1408
1409 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1410
1411         PR 24034
1412         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1413         is live afterwards.
1414
1415 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1416
1417         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1418         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1419
1420 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
1421
1422         Add ms2 support
1423         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1424         constants.
1425         (call,load,store): New insn types.
1426         (mem_access, branch_access): Adjust reservation conditions.
1427         (define_delay): Adjust condition.
1428         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
1429         type.
1430         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1431         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1432         insn type.
1433         (call_internal, call_value_internal, return_internal,
1434         return_interrupt_internal, eh_return_internal, indirect_jump,
1435         tablejump): Set call insn type.
1436         (blockage, ei, di): Use appropriate unspec const.
1437         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1438         (ms1_get_attr_type): Adjust to give load & store types.
1439         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
1440         backwards past a barrier.
1441         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
1442         branch scheduling.
1443         (struct branch_info, struct label_info): New.
1444         (ms1_labels): New.
1445         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1446         (ms1_machine_reorg): New.
1447         (TARGET_MACHINE_DEPENDENT_REORG): Override.
1448         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1449         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1450         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1451         (TARGET_MS2): New.
1452
1453 2005-11-09  Per Bothner  <per@bothner.com>
1454             Uros Bizjak  <uros@kss-loka.si>
1455
1456         PR c/24101
1457         * toplev.c (process_options): Initialize debug_hooks early
1458         in case lang_hooks.post_options ends up calling a debug_hook.
1459
1460 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
1461
1462         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1463         DBX_REGISTER_NUMBER being contiguous.
1464
1465 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
1466             Diego Novillo  <dnovillo@redhat.com>
1467
1468         PR 23046
1469         * tree-vrp.c (register_edge_assert_for): Do not register
1470         always-false predicates.
1471
1472 2005-11-08  Devang Patel <dpatel@apple.com>
1473
1474         PR tree-optimization/23115
1475         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1476         relation.
1477
1478 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
1479
1480         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1481         -mcpu=440.
1482
1483 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
1484
1485         Fix PR tree-optimization/23382
1486
1487         * tree-ssa-alias.c (compute_may_aliases): Call
1488         delete_old_heap_vars.
1489         * tree-dfa.c (referenced_var_remove): New function.
1490         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1491         * tree-flow.h (referenced_var_remove): Add prototype.
1492         (delete_old_heap_vars): Ditto.
1493         * tree-ssa-structalias.c (heapvars): New variable.
1494         (oldheapvars): Ditto.
1495         (get_constraint_for): Put heap vars on heapvars list.
1496         (delete_old_heap_vars): New function.
1497
1498 2005-11-08  Jason Merrill  <jason@redhat.com>
1499
1500         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1501
1502 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
1503
1504         PR target/19340
1505         * reg-stack.c (reg_to_stack): Update register liveness also
1506         for flag_sched2_use_traces.
1507
1508 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
1509
1510         PR target/23704
1511         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1512         override prior explicit -mno-powerpc-gfxopt.
1513
1514 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1515
1516         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1517         if the bitsize is zero.
1518         * doc/md.texi (Standard Pattern Names): Document it.
1519
1520         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1521         (TARGET_PASS_BY_REFERENCE): Likewise.
1522
1523 2005-11-07  Ian Lance Taylor  <ian@airs.com>
1524
1525         PR rtl-optimization/24683
1526         * config/i386/i386.c (legitimize_pic_address): If constant operand
1527         to PLUS is too large, put it in a register.
1528
1529 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
1530
1531         * configure.ac: Enable checking assembler dwarf2 support for bfin
1532         target.
1533         * configure: Regenerate.
1534
1535 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1536
1537         PR target/24230
1538
1539         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1540         gen_easy_vector_constant_add_self): Delete.
1541         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1542         New.
1543         (output_vec_const_move): Use gen_easy_altivec_constant.
1544         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1545         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1546         (easy_vector_constant_add_self): Rewritten.
1547         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1548         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1549         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1550         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1551         Macroize and adjust for the other changes.
1552
1553 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1554
1555         PR c/24599
1556
1557         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1558         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1559
1560 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1561
1562         PR rtl-optimization/23567
1563         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1564         (noce_process_if_block): Don't do any optimizations except
1565         if (cond) x = x; if !set_b and write into orig_x may trap
1566         or fault.  Remove the MEM_READONLY_P check.
1567
1568 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
1569
1570         PR 24670
1571         * tree-vrp.c (fix_equivalence_set): New.
1572         (extract_range_from_assert): Call it.
1573
1574 2005-11-05  Ian Lance Taylor  <ian@airs.com>
1575
1576         PR target/22432
1577         * combine.c (apply_distributive_law): Don't distribute across a
1578         vector mode subreg.
1579
1580 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
1581
1582         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1583         config/ms1/ms1.h, config/rs6000/predicates.md,
1584         config/s390/s390.c, params.def, postreload-gcse.c,
1585         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1586         tree-vrp.c, tree.c: Fix comment typos.
1587         * doc/invoke.texi: Fix typos.
1588
1589 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
1590
1591         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1592         for testing whether the data_dependence_relation contains distance
1593         vectors.  Iterate over all distance vectors of the ddr.
1594         * lambda.h: Define a vec of lambda_vector pointers.
1595         * tree-data-ref.c (dump_data_dependence_relation,
1596         dump_data_dependence_direction): Iterate over all distance and
1597         direction vectors of the ddr.
1598         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1599         DDR_DIST_VECTS.
1600         (build_classic_dist_vector, build_classic_dir_vector): Push a set
1601         of distance/direction vectors instead of a single one.
1602         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1603         lambda_vectors with a vec of lambda_vectors.
1604         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1605         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1606         DDR_NUM_DIST_VECTS): New.
1607         * tree-loop-linear.c (gather_interchange_stats): Test for the
1608         existence of distance vectors only after having checked that there
1609         is a dependence.  Iterate over all distance vectors of the ddr.
1610         (linear_transform_loops): Use dump_data_dependence_relation.
1611         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1612         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
1613         distance vectors of the ddr.
1614
1615 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1616
1617         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1618         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1619         IS_INTHANDLER; all callers changed.
1620         (n_regs_saved_by_prologue): Take interrupt handler attributes into
1621         account.
1622         (do_link, do_unlink): New argument ALL; all callers changed.
1623         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1624         If function isn't leaf, save and restore all registers.
1625         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1626         exception handler.
1627
1628 2005-11-05  Jan Hubicka  <jh@suse.cz>
1629
1630         PR rtl-optimization/23490
1631         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1632         max-flow-memory-location): Document.
1633         * flow.c: Include params.h
1634         (MAX_MEM_SET_LIST_LEN): Kill.
1635         (add_to_mem_set_list): Use new param.
1636         * cse.c (cse_basic_block): Replace 1000 by new param.
1637         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1638         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1639         * predict.c (predict_loops): Use new param.
1640         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1641
1642         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1643         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1644         Do not hold memory returned by cgraph_node_name across other call.
1645
1646 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
1647
1648         PR target/23424
1649         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1650         Disable.
1651
1652 2005-11-04  Jeff Law  <law@redhat.com>
1653
1654         PR/21883
1655         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1656         * tree-ssa-dom.c: Include params.h.
1657         (thread_across_edge): If there are too many statements in the
1658         target block, then do not thread through it.
1659         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1660         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1661
1662 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
1663
1664         PR 24627
1665         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1666         TODO_update_ssa instead of TODO_update_ssa_no_phi.
1667
1668 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
1669
1670         PR/18595
1671         * tree-scalar-evolution.c (instantiate_parameters_1,
1672         instantiate_parameters, resolve_mixers): Compute the size of an
1673         expression to be instantiated and give up the instantiation if the
1674         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1675
1676 2005-11-04  Richard Guenther  <rguenther@suse.de>
1677
1678         * tree-flow.h (ref_contains_indirect_ref): Rename to
1679         array_ref_contains_indirect_ref.
1680         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1681         (array_ref_contains_indirect_ref): Make comment match the code
1682         and vice-versa.
1683         (ref_contains_array_ref): Likewise.
1684         * tree-ssa-structalias.c (find_func_aliases): Remove call to
1685         ref_contains_indirect_ref.
1686         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1687         Rename calls to ref_contains_indirect_ref.
1688
1689 2005-11-04 Paul Brook  <paul@codesourcery.com>
1690
1691         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1692         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1693         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1694         * config/arm/arm.md: Use match_operand in peephole input templates
1695         and match_dup in peephole output templates.
1696
1697 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1698
1699         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1700         __aeabi_uidiv.
1701
1702 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
1703             Daniel Jacobowitz  <dan@codesourcery.com>
1704
1705         * longlong.h (add_ssaaaa): Clobber condition code register
1706         in ARM version.
1707         (sub_ddmmss): Likewise.
1708         (umul_ppmm): Likewise.
1709
1710 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1711             Paul Brook  <paul@codesourcery.com>
1712             Phil Blundell  <pb@reciva.com>
1713
1714         * configure.ac: Add test for ARM TLS support.
1715         * configure: Regenerated.
1716         * config/arm/arm-protos.h (legitimize_tls_address)
1717         (arm_tls_referenced_p, tls_mentioned_p)
1718         (arm_output_addr_const_extra): New prototypes.
1719         (thumb_legitimize_pic_address): Delete.
1720         * config/arm/arm.c: Include "gt-arm.h".
1721         (enum tls_reloc): New.
1722         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1723         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1724         (arm_call_tls_get_addr, legitimize_tls_address)
1725         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1726         (arm_init_tls_builtins, arm_emit_tls_decoration)
1727         (arm_output_addr_const_extra): New functions.
1728         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1729         (TARGET_HAVE_TLS): Define.
1730         (target_thread_pointer): New.
1731         (arm_override_options): Handle -mtp=.
1732         (legitimize_pic_address): Ignore UNSPECs.
1733         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1734         relative symbols.
1735         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1736         (tls_get_addr_libfunc): New variable.
1737         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1738         (arm_init_builtins): Call arm_init_tls_builtins.
1739         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1740         (arm_encode_section_info): Call default_encode_section_info.
1741         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1742         (enum arm_tp_type): New.
1743         (target_thread_pointer): Add declaration.
1744         (LEGITIMATE_CONSTANT_P): Handle TLS.
1745         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1746         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1747         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1748         * config/arm/arm.md: Add UNSPEC_TLS.
1749         (movsi): Handle TLS.
1750         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1751         non-PIC.
1752         (tls_load_dot_plus_eight): New insn and a peephole to create it.
1753         (load_tp_hard, load_tp_soft): New insns.
1754         * arm.opt: Add -mtp=.
1755         * doc/invoke.texi (ARM Options): Document -mtp.
1756
1757 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1758
1759         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1760         * config/arm/libunwind.S: Include "lib1funcs.asm".
1761         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1762         (LIB2ADDEH): Add libunwind.S.
1763         (LIB2ADDEHDEP): Add lib1funcs.asm.
1764         * mklibgcc.in: Handle asm files in libgcc_eh.a.
1765
1766 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1767
1768         PR fortran/18452
1769         * gcc/c.opt: Add a -lang-fortran option.
1770         * gcc/c-opts.c: Add a lang_fortran flag.
1771         (c_common_init_options): Handling the -lang-fortran option.
1772         (c_common_handle_option): Add a case for Fortran options in
1773         preprocessing. Remove cases for -ffixed-form and
1774         -ffixed-line-length. Add a case for -lang-fortran.
1775
1776 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
1777
1778         * config/rs6000/rs6000.c: Include params.h
1779         (optimization_options): Set max-grow-copy-bb-insns default to 16.
1780         (bdesc_2arg): Delete vpkuhss and vpkuwss.
1781         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1782         (UNSPEC_VPKUWSS): Delete.
1783         (altivec_vpkuhss): Delete.
1784         (altivec_vpkuwss): Delete.
1785         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1786         final condition.
1787         (neg_eq0<mode>): Remove final condition.
1788         (neg_eq<mode>): Remove condition and split-condition.
1789
1790 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
1791
1792         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1793         Use associated print macros.
1794
1795 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1796
1797         PR c++/17964
1798         * diagnostic.c (diagnostic_set_info_translated): New function.
1799         (diagnostic_set_info): Use it.  Add comment.
1800         * diagnostic.h (diagnostic_set_info_translated): Declare.
1801
1802 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1803
1804         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1805         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1806         reference only if 'public' is true.
1807         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1808         emit the .hidden directive only if the indirect reference is public.
1809         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1810         Pass it to dw2_force_const_mem.
1811         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1812         * dwarf2out.c (output_cfi): Adjust calls to above function.
1813         (output_call_frame_info): Likewise.
1814         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1815         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1816
1817 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
1818
1819         PR tree-optimization/24483
1820         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1821         field to elts if possible.
1822
1823 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1824
1825         PR middle-end/23155
1826         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1827         CONSTRUCTOR.
1828
1829 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
1830
1831         Fix PR tree-optimization/24351
1832
1833         * tree-ssa-structalias.c (struct variable_info): Add
1834         collapsed_into.
1835         (get_varinfo_fc): New function to follow collapsing.
1836         (new_var_info): Set collapsed_to to NULL.
1837         (dump_constraint): Follow collapsing.
1838         (build_constraint_graph): Handle collapsing.
1839         (do_simple_structure_copy): Return false if something bad
1840         happened.
1841         (collapse_rest_of_var): New function.
1842         (do_structure_copy): Collapse if do_simple_structure_copy returns
1843         false.
1844
1845 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1846
1847         PR middle-end/24589
1848         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1849         expressions to a statement list instead of gimplifying them.
1850
1851 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1852
1853         PR rtl-optimization/23585
1854         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1855         that can't trap plus a constant integer, if the mode has zero size.
1856
1857 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
1858
1859         PR target/24620
1860         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1861         as operand 2.
1862         ("*insv<mode>_reg_extimm"): Likewise.
1863
1864 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1865
1866         PR c/24329
1867         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1868         c_common_type_for_mode returns an unnamed type.
1869
1870 2005-11-02  Richard Henderson  <rth@redhat.com>
1871
1872         PR target/9350
1873         PR target/24374
1874         * dwarf2out.c (dwarf2out_reg_save_reg): New.
1875         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1876         * function.c (assign_parms): Use calls.internal_arg_pointer.
1877         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1878         code.
1879         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1880         (TARGET_CALLS): Add it.
1881         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1882         * targhooks.c (default_internal_arg_pointer): New.
1883         * targhooks.h (default_internal_arg_pointer): Declare.
1884         * tree.h (dwarf2out_reg_save_reg): Declare.
1885         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1886         * config/i386/i386.c (dbx_register_map): Add return column.
1887         (dbx64_register_map, svr4_dbx_register_map): Likewise.
1888         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1889         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1890         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1891         (ix86_save_reg): Save force_align_arg_pointer.
1892         (ix86_emit_save_regs): Make regno unsigned.
1893         (ix86_emit_save_regs_using_mov): Likewise.
1894         (ix86_expand_prologue): Handle force_align_arg_pointer.
1895         (ix86_expand_epilogue): Likewise.
1896         * config/i386/i386.h: (dbx_register_map): Update.
1897         (dbx64_register_map, svr4_dbx_register_map): Update.
1898         (struct machine_function): Add force_align_arg_pointer.
1899         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1900         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1901         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1902
1903 2005-11-02  Jan Hubicka  <jh@suse.cz>
1904
1905         PR target/23303
1906         * i386.md: Add peep2 for simplyfing array accesses.
1907
1908 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1909
1910         PR target/24615
1911         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1912         * config/s390/s390.c (s390_decompose_shift_count): New function.
1913         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1914         (print_shift_count_operand): Use s390_decompose_shift_count.
1915         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1916         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
1917
1918 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1919
1920         PR target/24600
1921         * loop.c (loop_givs_rescan): Use force_operand to expand
1922         complex GIVs.
1923
1924 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
1925
1926         PR 22429
1927         * fold-const.c (build_range_check): Use unsigned when signed
1928         overflow is undefined also.  If etype is subtype, make sure that
1929         the subtraction is in the supertype.
1930
1931 2005-11-02  Richard Henderson  <rth@redhat.com>
1932
1933         PR target/24178
1934         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1935         by MEM_ALIGN.
1936
1937 2005-11-01  Richard Henderson  <rth@redhat.com>
1938
1939         PR 21518
1940         * loop.c (scan_loop): Do not propagate computations to a hard
1941         register destination with SMALL_REGISTER_CLASSES.
1942
1943 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
1944
1945         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1946         costs for MULT inside PLUS or MINUS.
1947
1948 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
1949
1950         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1951         (TRAMPOLINE_SIZE): Round up to 60.
1952         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1953
1954 2005-10-31  James E. Wilson  <wilson@specifix.com>
1955
1956         PR debug/24444
1957         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1958         ifdef.  Put ifdefs around call in gen_subprogram_die.
1959         (compute_frame_pointer_to_cfa_displacement): Likewise.
1960         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1961         not defined.
1962
1963         PR rtl-optimization/17356
1964         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
1965         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1966
1967 2005-10-31  Jan Hubicka  <jh@suse.cz>
1968
1969         PR middle-end/24093
1970         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1971
1972         PR target/20928
1973         * i386.c (legitimize_pic_address): Deal with large immediates.
1974
1975         PR profile/20815
1976         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1977         from symbol names while computing checkup.
1978
1979         PR profile/24487
1980         * predict.c (predict_loops): Do not estimate more than
1981         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1982         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1983
1984 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
1985
1986         PR tree-optimization/19097
1987         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1988
1989 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
1990
1991         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1992
1993 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
1994
1995         PR middle-end/23492
1996         * tree-inline.c (setup_one_parameter): If the init_stmt
1997         is NULL, don't insert the statement.
1998
1999 2005-10-30  Jan Hubicka  <jh@suse.cz>
2000
2001         PR tree-optimization/24172
2002         * tree-inline.c (copy_body_r): Unshare the substituted value first.
2003
2004 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
2005
2006         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2007         constants for hosts with long != 32 bits.
2008
2009 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2010
2011         PR middle-end/24093
2012         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2013
2014 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2015
2016         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2017         (TARGET_MS1_16_002): New.
2018         (TARGET_MS1_16_003): New.
2019
2020         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2021         ("*decrement_and_branch_until_zero_no_clobber"): New.
2022         Add corresponding splitter for decrement_and_branch_until_zero
2023         instruction.
2024         Key all decrement_and_branch_until_zero patterns off of
2025         TARGET_MS1_16_003.
2026
2027 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2028
2029         PR middle-end/24362
2030         * tree-complex.c (extract_component): Treat RESULT_DECL
2031         like the rest of the decls.
2032
2033 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2034
2035         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2036         indirect call to _mcount if the function needs a static chain.
2037
2038 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2039             Caroline Tice  <ctice@apple.com>
2040
2041         PR rtl-optimization/24460
2042         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2043         (dwarf2out_switch_text_section): Set it to true instead of
2044         incrementing separate_line_info_table_in_use.
2045         (output_loc_list): Additionally test have_switched_text_sections.
2046         (output_ranges): Likewise.
2047         (dwarf2out_finish): Likewise.
2048         * varasm.c (assemble_start_function): Do not call
2049         insert_section_boundary_note.
2050         (assemble_end_function): If flag_reorder_blocks_and_partition,
2051         switch to the function's section before emitting the .size directive.
2052         * bb-reorder.c (insert_section_boundary_note): Staticify.
2053         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2054         * output.h (insert_section_boundary_note): Delete.
2055
2056 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2057
2058         PR c/23103
2059         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2060         instead of pointer equality when comparing types.
2061
2062 2005-10-24  James E. Wilson  <wilson@specifix.com>
2063
2064         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2065         add_dependence_list_and_free calls.
2066
2067 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2068
2069         * contrib.texi: Add the names of the LLNL folks who donated
2070         Cray pointer support for gfortran.
2071
2072 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2073
2074         PR tree-optimization/24225
2075         * profile.c (branch_prob): Look from end to start through a
2076         basic block when looking for a locus.
2077
2078 2005-10-24  Richard Henderson  <rth@redhat.com>
2079
2080         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2081         parallel.
2082         (hppa_expand_prologue): Likewise.
2083
2084 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2085
2086         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2087         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2088         * pa.h (NO_PROFILE_COUNTERS): Define.
2089         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2090         (funcdef_nos): New vector to hold label numbers of deferred profile
2091         counters.
2092         (output_deferred_profile_counters): New function.
2093         (hppa_profile_hook): Push label number onto funcdef_nos.
2094         (pa_hpux_file_end): Call output_deferred_profile_counters if
2095         NO_DEFERRED_PROFILE_COUNTERS is false.
2096
2097         * pa-protos.h (get_deferred_plabel): New prototype.
2098         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2099         Make global.
2100         (output_call): Adjust calls.
2101
2102 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2103
2104         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2105         peculiarity of GOT/TOC section usage.
2106
2107 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2108
2109         PR objc/24435
2110          * c-common.c (constant_string_class_name): Add documentation.
2111
2112 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2113
2114         PR target/23832
2115         * recog.c (peephole2_optimize): Increment peep2_current_count
2116         only when the slot is empty.
2117
2118 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2119
2120         PR ada/23957
2121         * except.c (output_function_exception_table): Call
2122         assemble_external_libcall if we need a personality function.
2123
2124 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2125
2126         PR rtl-optimization/24460
2127         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2128         set the basic block for barriers.
2129
2130 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2131
2132         * var-tracking.c (vt_initialize): Initialize post.
2133
2134 2005-10-21  Devang Patel  <dpatel@apple.com>
2135
2136         PR/24220
2137         * c-common.c (vector_types_convertible_p): Check vector element type.
2138
2139 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2140
2141         * config/sh/sh.c (prepare_move_operands): Handle the address
2142         constant which is a tls symbolic address plus a constant.
2143
2144 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2145
2146         PR driver/24473
2147         * gcc.c (main): Use the correct counter for erroring out
2148         about mulitple files.
2149
2150 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2151
2152         PR target/24465
2153         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2154         use r2 for 64-bit tls .got access.
2155
2156 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2157
2158         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2159         TRUTH_OR_EXPR.
2160
2161 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2162
2163         PR tree-optimization/24307
2164         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2165
2166 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2167
2168         PR middle-end/24295
2169         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2170         alias targets.
2171         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2172         is ready, stop marking functions, but still mark variables.
2173
2174 2005-10-20  Richard Guenther  <rguenther@suse.de>
2175
2176         PR c++/24439
2177         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2178         void type operands.
2179
2180 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2181
2182         PR rtl-optimization/23585
2183         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2184         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2185         (may_trap_p_1): New predicate extracted from...
2186         (may_trap_p): ... here.  Invoke may_trap_p_1.
2187         (may_trap_or_fault_p): New predicate.
2188         * rtl.h (may_trap_or_fault_p): Declare it.
2189         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2190         instead of may_trap_p.
2191         (steal_delay_list_from_fallthrough): Likewise.
2192         (fill_simple_delay_slots): Likewise.
2193         (fill_slots_from_thread): Likewise.
2194         * function.c (pad_to_arg_alignment): Rework comment about
2195         SPARC_STACK_BOUNDARY_HACK.
2196         * config/sparc/sparc.h: Likewise.
2197
2198 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2199
2200         * config/s390/s390.c (s390_expand_insv): New.
2201         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2202         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2203         ("icm_hi"): Remove mode attribute.
2204         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2205         Adjust all uses.
2206         ("*extracthi", "*extractqi"): Remove.
2207         (extv<mode>", "*extzv<mode>"): New.
2208         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2209         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2210
2211 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2212
2213         * cfgexpand.c (discover_nonconstant_array_refs_r,
2214         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2215         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2216         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2217         discover_nonconstant_array_refs.
2218
2219 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2220
2221         PR c/23228
2222         * c-decl.c (pop_scope): Don't warn about an unused variable
2223         if it is marked with TREE_NO_WARNING.
2224         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2225         somenow mismatch and olddecl is to be replaced.
2226
2227 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2228
2229         PR middle-end/23199
2230         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2231         whether registers live on the edge can be saved/restored.
2232
2233 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2234
2235         * config/sh/sh.c (fixup_mova): Skip notes.
2236
2237 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2238
2239         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2240         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2241         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2242         (s390_initial_elimination_offset): Likewise.
2243         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2244         register on TARGET_ZARCH targets.
2245         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2246         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2247         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2248         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2249
2250 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2251
2252         * config/s390/s390.md: Comment describing output modifiers updated.
2253         * config/s390/s390.c (print_operand): Likewise.
2254
2255 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2256
2257         * config/s390/s390.c (override_options): Added check for -mstack-size
2258         64k limitation.
2259         * doc/invoke.texi: Mention that limit in the documenation.
2260
2261 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2262
2263         PR #19672
2264         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2265
2266 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2267
2268         Fix PR tree-optimization/24231
2269
2270         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2271         (compute_avail): Ditto.
2272
2273 2005-10-18  Richard Henderson  <rth@redhat.com>
2274
2275         PR target/24428
2276         * config/i386/i386.c (legitimate_constant_p): Check
2277         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2278         if LABEL_REF.
2279         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2280         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2281         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2282         directly.
2283         (print_operand_address): Likewise.
2284         * config/i386/predicates.md (x86_64_immediate_operand): Test
2285         SYMBOL_REF_TLS_MODEL properly inside CONST.
2286         (x86_64_zext_immediate_operand): Likewise.
2287         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2288         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2289         * config/i386/i386-protos.h: Remove predicates.md entries.
2290
2291 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2292
2293         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2294         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2295
2296 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2297             Ian Lance Taylor <ian@airs.com>
2298
2299         PR middle-end/23522
2300         * fold-const.c (fold_widened_comparison): Do not allow range based
2301         constant folding when right operand cannot be unwidened.
2302
2303 2005-10-17  Richard Henderson  <rth@redhat.com>
2304
2305         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2306         with a memory clobber.
2307
2308 2005-10-17  James E Wilson  <wilson@specifix.com>
2309
2310         PR rtl-optimization/17356
2311         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2312         checking for EDGE_EH.
2313
2314 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2315
2316         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2317         the slot on an even boundary for any type with 16-byte alignment.
2318
2319 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2320
2321         PR target/23424
2322         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2323         after register allocation.
2324
2325 2005-10-17  DJ Delorie  <dj@redhat.com>
2326
2327         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2328         as frame related.
2329
2330 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2331
2332         PR c++/22551
2333         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2334         overflow flags.
2335
2336 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2337
2338         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2339         to 2 if it's already non-zero.
2340         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2341         is set and warn about it if flag_schedule_insns is 1.
2342
2343 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2344
2345         * config/crx/crx.md: Compare-and-branch instructions need to
2346         invalidate CC.
2347
2348 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2349
2350         PR target/24315
2351         * config/i386/i386.md (*pushdi2_rex64 splitter)
2352         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2353         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2354         flow2 pass only when (optimize > 0 && flag_peephole2).
2355
2356 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2357
2358         PR driver/22544
2359         * gcc.c (have_c): New static variable.
2360         (have_o): Likewise.
2361         (process_command): Remove declation of have_c.
2362         Set have_o to 1 when handling -o.
2363         (main): Add a fatel error if there are multiple
2364         files specified and -o and -c/-S is passed witout
2365         -combine or multiple languages.
2366
2367 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2368
2369         Fix PR tree-optimization/22444
2370         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2371         Assert that we don't hit something with subvars.
2372         (setup_pointers_and_addressables): Don't add things with subvars,
2373         because we'll already process the subvars for aliasing purposes.
2374
2375 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2376
2377         PR target/23424
2378         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2379         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2380         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2381         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2382         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2383         swapped, alternatives for the R constraint.
2384
2385         PR middle-end/24341
2386         * builtins.c (get_builtin_sync_mode): Make unlimited
2387         mode_for_size request.
2388
2389 2005-10-15  Richard Henderson  <rth@redhat.com>
2390
2391         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2392         (gimplify_expr): ... here.
2393         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2394         fb_lvalue in base expression.
2395
2396 2005-10-15  Richard Henderson  <rth@redhat.com>
2397
2398         PR 23714
2399         * builtins.c (expand_builtin_trap): Export.
2400         * expr.h (expand_builtin_trap): Declare.
2401         * expr.c (expand_assignment): Emit a trap for integral offsets
2402         from registers that weren't reduced to bitpos.
2403
2404         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2405         (mark_array_ref_addressable): Remove.
2406         * tree-flow.h (mark_array_ref_addressable): Remove.
2407         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2408
2409 2005-10-15  James E Wilson  <wilson@specifix.com>
2410
2411         PR target/24232
2412         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
2413         (add_dependence_list_and_free): Likewise.
2414         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2415         call.
2416
2417 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
2418
2419         PR 23141
2420         PR 23142
2421         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2422         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2423         anti-range.
2424         (vrp_visit_phi_node): Only prevent infinite iterations when
2425         the previous result and the new result are both VR_RANGEs.
2426
2427 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
2428
2429         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2430         function comment.
2431
2432 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2433
2434         PR c/23439
2435         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2436         to initialize loc.
2437
2438 2005-10-14  Per Bothner  <per@bothner.com>
2439
2440         PR preprocessor/21250
2441         * c-ppoutput.c (print_line): Print internal line 0 as 1.
2442
2443 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
2444
2445         PR c++/22551
2446         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2447         overflow flags.  Refactor some conditionals.
2448
2449 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2450
2451         PR tree-opt/21304
2452         * tree-dfa.c (add_referenced_var): Only look at decls which
2453         have TREE_CONSTANT or TREE_READONLY set instead of if
2454         !TREE_PUBLIC or !TREE_CONSTANT.
2455
2456 2005-10-13  James E Wilson  <wilson@specifix.com>
2457
2458         * doc/invoke.texi: For -x, add f95-cpp-input.
2459         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2460
2461 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
2462
2463         PR tree-optimization/24262
2464         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2465         in loop all the time.
2466
2467 2005-10-12  Richard Henderson  <rth@redhat.com>
2468
2469         PR c/24255
2470         * tree.h (DECL_TRANSPARENT_UNION): Remove.
2471         * function.c (assign_parm_find_data_types): Don't support it.
2472         * print-tree.c (print_node): Likewise.
2473         * c-common.c (handle_transparent_union_attribute): Likewise.
2474         Use build_duplicate_type.
2475         * tree-inline.c (remap_type_1): Split out of remap_type;
2476         properly remap aggregate fields.
2477         (build_duplicate_type): New.
2478         * doc/extend.texi (Variable Attributes): Remove documentation
2479         for transparent_union.
2480
2481 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2482
2483         PR target/24284
2484         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2485         (gen_stack_pointer_dec): Likewise.
2486
2487 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
2488
2489         PR middle-end/21275
2490         PR middle-end/21766
2491         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2492         target hook.
2493         (struct cxx): Add adjust_class_at_definition target hook.
2494         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2495         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2496         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2497         hook_void_tree. Add to TARGET_CXX.
2498         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2499         dllimport_flag.
2500         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2501         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2502         instead of attribute. Check for dllexport override.  Warn if
2503         inconsistent dll linkage. Don't lose old dllimport if decl has
2504         had address referenced.   Tweak lookup of dllimport atribute.
2505         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2506         for target specific rules.  Don't add dllimport attribute if
2507         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
2508         dllimport attribute.
2509         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2510         * varasm.c (initializer_constant_valid_p): Replace
2511         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2512
2513         PR target/21801
2514         PR target/23589
2515         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2516         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2517         (i[34567]86-*-mingw32*): Likewise.
2518
2519         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2520         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2521
2522         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2523         C++-specific code. Change return value to bool.
2524         (i386_pe_dllimport_p): Likewise.
2525         (associated_type): Simplify and make language-independent
2526         (i386_pe_encode_section_info): Replace override of ambiguous
2527         dllimport symbol refs with a gcc_assert.
2528         (i386_pe_valid_dllimport_attribute_p): Define.
2529         * config/i386/winnt-cxx.c: New file. Define C++ versions of
2530         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2531         i386_pe_adjust_class_at_definition.
2532         * config/i386/winnt-stubs.c: New file. Define stub versions of
2533         lang-specific functions.
2534         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2535         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2536         i386_pe_adjust_class_at_definition.
2537         (i386_pe_valid_dllimport_attribute_p): Declare.
2538         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2539         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2540         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2541
2542         PR target/19704
2543         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2544         dllimport attribute with test of DECL_DLLIMPORT_P.
2545
2546 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
2547
2548         * combine.c (make_extraction): Correct offset computation.
2549
2550 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
2551
2552         * config/cris/t-linux (LIMITS_H_TEST): Define.
2553
2554 2005-10-12  Richard Henderson  <rth@redhat.com>
2555
2556         PR rtl-opt/23324
2557         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2558
2559 2005-10-12  Richard Guenther  <rguenther@suse.de>
2560
2561         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2562
2563 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2564
2565         PR c++/19964
2566         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2567         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2568         type.
2569
2570 2005-10-12  Richard Guenther  <rguenther@suse.de>
2571
2572         PR c++/23799
2573         * varasm.c (output_constant): Correct typo from previous
2574         patch by DJ.
2575
2576 2005-10-11  Ian Lance Taylor  <ian@airs.com>
2577
2578         PR rtl-optimization/13931
2579         * combine.c: Revert patch of 2003-05-14, and:
2580         (try_combine): Only set elim_i1 and elim_i2 if the destination is
2581         completely killed in the appropriate insn.
2582         (distribute_notes): Don't skip multiple hard register test for
2583         elim_i1 and elim_i2.
2584
2585 2005-10-11  Richard Henderson  <rth@redhat.com>
2586
2587         PR c/24255
2588         * c-typeck.c (convert_for_assignment): Use build_constructor_single
2589         to initialize a transparent union instead of a nop_expr.
2590
2591 2005-10-11  Richard Henderson  <rth@redhat.com>
2592
2593         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2594         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2595         (tree_ssa_dce_loop): Call scev_reset.
2596
2597         PR tree-opt/24300
2598         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2599         * tree-ssa-dce.c: Include cfgloop.h.
2600         (tree_ssa_dce_loop, pass_dce_loop): New.
2601         * tree-pass.h (pass_dce_loop): Declare it.
2602         * passes.c (init_optimization_passes): Use it.
2603
2604 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2605
2606         PR middle-end/24263
2607         * convert.c (convert_to_real): Revert 2005-10-05 patch.
2608         Only apply the optimization for rounding builtins if the inner
2609         cast is also an extension.
2610
2611 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2612
2613         PR tree-opt/23946
2614         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2615         mark_new_vars_to_rename instead of update_stmt.
2616
2617 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2618
2619         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2620
2621 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
2622
2623         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2624         for setting MMX register to 0 rather than mmx.
2625
2626 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
2627
2628         PR target/12098
2629         * configure.ac: Move gas check from mips specific case to common case.
2630         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2631         * configure: Regenerate
2632         * doc/install.texi: Update.
2633
2634 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2635
2636         PR target/24284
2637         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2638
2639 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
2640
2641         * gcc.c (do_spec_1): Accept numeric characters in file name
2642         suffixes.
2643
2644 2005-10-10  Nick Clifton  <nickc@redhat.com>
2645
2646         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
2647         describing the deleted arm_gen_rotated_half_load function.
2648
2649 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2650
2651         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2652         __fpscr_values.
2653
2654 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
2655
2656         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2657         gnu_ld assignments.
2658         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2659         (EXTRA_MULTILIB_PARTS): Define.
2660         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2661         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2662         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2663         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2664         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2665         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2666
2667 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2668
2669         PR tree-optimization/24226
2670         * tree-cfg.c (remove_bb): Clean up unreachable loops.
2671         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2672         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2673         Export.
2674
2675 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2676
2677         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2678
2679 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2680
2681         PR target/24136
2682         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2683         Rewrite for no need for the early clobber.
2684
2685 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2686
2687         Merge from csl-arm-branch:
2688         2005-09-07  Paul Brook  <paul@codesourcery.com>
2689         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2690         space to string.
2691
2692         2005-04-30  Paul Brook  <paul@codesourcery.com>
2693         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2694         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2695
2696         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
2697         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2698         (arm_override_options): Use TARGET_AAPCS_BASED.
2699         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2700         (PTRDIFF_TYPE): Use int for AAPCS.
2701         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2702         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2703         (DEFAULT_SHORT_ENUMS): Delete.
2704         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2705
2706         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
2707         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2708         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2709         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2710
2711         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
2712         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2713
2714         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
2715         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2716
2717         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
2718         * config.gcc (arm*-*-linux-gnueabi): Add it.
2719         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2720         redefining it.
2721         (TARGET_OS_CPP_BUILTINS): Likeiwse.
2722         * config/arm/linux-eabi.h: New file.
2723         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2724         (LINUX_TARET_LINK_SPEC): Likewise.
2725         (LINK_SPEC): Use it.
2726         * config/arm/t-linux-eabi: New file.
2727
2728 2005-10-08  Steven Bosscher  <stevenb@suse.de>
2729
2730         PR other/22202
2731         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2732         spaces.
2733         (PARAM_SMS_DFA_HISTORY): Likewise.
2734
2735 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2736
2737         PR middle-end/23150
2738         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2739         (load_register_parameters): Call it.
2740         (check_sibcall_argument_overlap_1): Likewise.
2741         (store_one_arg): Likewise.
2742
2743 2005-10-07  James E. Wilson  <wilson@specifix.com>
2744
2745         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2746         DImode not VECINT24 for operand 2.
2747
2748         PR target/23644
2749         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2750         -mtune-arch.
2751
2752         PR target/24193
2753         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2754         fr_spill): Use destination_operand for operand 0.
2755
2756 2005-10-07  DJ Delorie  <dj@redhat.com>
2757
2758         * varasm.c (output_constant): Limit error to expanding
2759         conversions.
2760
2761 2005-10-07  Richard Guenther  <rguenther@suse.de>
2762
2763         PR middle-end/24227
2764         * fold-const.c (fold_binary): Fix operand types during folding
2765         of X op (A, Y).  Evaluation order of the side-effects of
2766         X and A are frontend-defined, so ensure we honour that even for
2767         tcc_comparison class operands; eased by removing duplicate code.
2768
2769 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2770
2771         * stor-layout.c (layout_type): Do not allow alignment of array
2772         elements to be greater than their size.
2773
2774 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2775
2776         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2777         host_xmake_file.
2778         (hppa*-*-linux*): Ditto.
2779         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2780         * config/host-hpux.c: New.
2781         * config/x-hpux: New.
2782         * config/pa/x-hpux: Remove.
2783         * config/pa/x-linux: Remove.
2784         * config/pa/pa-host.c: Remove.
2785
2786 2005-10-07  Jeff Law  <law@redhat.com>
2787
2788         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2789         determine whether or not to try and thread outgoing edges.
2790
2791 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
2792
2793         * config/rs6000/rs6000.md (eqsi_power): New.
2794         (neg_eq0si): Add TARGET_POWER to final condition.
2795         (neg_eqsi): Same.
2796
2797 2005-10-06  Richard Henderson  <rth@redhat.com>
2798
2799         * config/rs6000/rs6000.c: Revert last change.
2800
2801 2005-10-06  Richard Henderson  <rth@redhat.com>
2802
2803         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2804         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2805
2806 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2807
2808         PR middle-end/22216
2809         PR middle-end/23651
2810         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2811         out return_label and naked_return_label.
2812
2813 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2814
2815         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2816         change.
2817
2818 2005-10-06  Richard Henderson  <rth@redhat.com>
2819
2820         PR tree-opt/22237
2821         * tree-inline.c (declare_return_variable): Handle modify_dest not
2822         being a DECL.
2823
2824 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2825
2826         Fix PR tree-optimization/22488
2827         * tree-ssa-structalias.c (check_for_overlaps): New function.
2828         (create_variable_info_for): Use it.
2829
2830 2005-10-06  Richard Henderson  <rth@redhat.com>
2831
2832         PR debug/24070
2833         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2834         (dwarf2out_start_source_file): Print it.
2835
2836 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
2837
2838         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2839
2840 2005-10-06  Richard Henderson  <rth@redhat.com>
2841
2842         PR 23706
2843         * mode-switching.c (optimize_mode_switching): Clear transp bit
2844         for block with incomming abnormal edges.
2845
2846         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2847         (fpscr_set_from_mem): Use them.
2848         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2849         (fpscr postinc splitters): Rewrite as peephole2+split.
2850
2851 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
2852
2853         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2854         (eq<mode>_compare): Same.
2855
2856 2005-10-06  Richard Guenther  <rguenther@suse.de>
2857
2858         PR tree-optimization/24238
2859         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2860
2861 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
2862
2863         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2864         here.  Use AC_PATH_PROG for environment variables instead of
2865         test -x.
2866         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
2867         objdump also.
2868         * configure: Regenerated.
2869
2870 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
2871
2872         PR target/23783
2873         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2874         then force it into a register.
2875         (call_value): Likewise.
2876
2877 2005-10-06  Richard Henderson  <rth@redhat.com>
2878
2879         PR 24049
2880         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2881         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
2882         under pass_vectorize.
2883
2884 2005-10-05  Devang Patel  <dpatel@apple.com>
2885
2886         PR Debug/23205
2887         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2888         handling constants. Check NAMESPACE_DECL context for constants.
2889
2890 2005-10-05  Eric Christopher  <echristo@apple.com>
2891
2892         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2893
2894 2005-10-05  Richard Henderson  <rth@redhat.com>
2895
2896         PR 23714
2897         * tree-cfg.c (mark_array_ref_addressable_1): New.
2898         (mark_array_ref_addressable): New.
2899         * tree-flow.h (mark_array_ref_addressable): Declare.
2900         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2901
2902 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
2903
2904         PR middle-end/20606
2905         PR middle-end/24069
2906         * reload.c (subst_reloads): When adding a REG_LABEL to a
2907         jump instruction, also update JUMP_LABEL.
2908
2909 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
2910
2911         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2912         * bb-reorder.c (copy_bb_p): Use it.
2913         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2914
2915 2005-10-05  Richard Henderson  <rth@redhat.com>
2916
2917         PR target/23602
2918         * toplev.c (process_options): Warn about unsupported combinations
2919         of unwind tables and omit-frame-pointer.
2920         * config/i386/i386.c (override_options): Similarly.  Enable
2921         accumulate-outgoing-args if not explicitly disabled.
2922
2923 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
2924
2925         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2926         Handle big endian vs. small endian.
2927         (vec_initv2sf): Handle big endian vs. small endian.
2928         (*vec_extractv2sf_1): Ditto.
2929
2930 2005-10-05  Dale Johannesen  <dalej@apple.com>
2931
2932         * convert.c (convert_to_real):  Don't convert
2933         (float)floor(double d) to floorf((float)d).
2934
2935 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
2936
2937         * config/arm/arm.md (insv): Use gen_int_mode in more places.
2938
2939 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
2940
2941         PR tree-optimization/18587
2942         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2943         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2944         build_vuses): Change to VEC type.
2945         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2946         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2947         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2948         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2949         (get_name_decl): New.  Return DECL_UID of base variable.
2950         (operand_build_cmp): New.  qsort comparison routine.
2951         (operand_build_sort_virtual): New.  Sort virtual build vector.
2952         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2953         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2954         (FINALIZE_BASE): Use get_name_decl.
2955         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2956         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2957         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2958         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2959         direct VEC_* manipulations.
2960         (build_ssa_operands): Call operand_build_sort_virtual.
2961         (copy_virtual_operand, create_ssa_artficial_load_stmt,
2962         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2963         with direct VEC_* manipulations.
2964         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2965         with direct VEC manipulations.
2966
2967 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
2968
2969         PR tree-optimization/21419
2970         PR tree-optimization/24146
2971         PR tree-optimization/24151
2972
2973         * c-typeck.c (readonly_error): Handle USE being lv_asm.
2974         (build_asm_expr): Call it if outputs are read-only.
2975         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2976
2977 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
2978             Paolo Bonzini  <bonzini@gnu.org>
2979
2980         PR target/23809
2981
2982         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2983         enable the instructions and not just the built-ins.
2984         * doc/invoke.texi (x86 Options): Likewise.
2985
2986 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
2987
2988         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2989
2990         * doc/invoke.texi (Option Summary): Correct spelling
2991         of -mmacosx-version-min.
2992
2993 2005-10-04  Devang Patel  <dpatel@apple.com>
2994
2995         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2996         real types.
2997
2998 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
2999
3000         * tree-vect-transform.c (vect_create_epilog_for_reduction):
3001         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3002
3003 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
3004
3005         * config/s390/s390.md ("TDSI","DP"): New mode macros.
3006         ("TE","tg"): New mode attributes.
3007         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3008         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3009         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3010         dword_mode and one for GPRmode.
3011
3012 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3013
3014         PR preprocessor/13726
3015         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3016         any comments passed in.
3017
3018 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3019
3020         * tree.c (annotate_with_file_line): Fix typo.
3021
3022 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3023
3024         PR ada/19382
3025         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3026         type used to access data in the inlined length == 1 case, use
3027         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3028         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3029
3030 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3031
3032         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3033         TARGET_SSE3 and only for TARGET_80387.
3034         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3035         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3036         Do not depend on TARGET_80387.
3037
3038 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3039
3040         * tree.c (last_annotated_node): Change type to location_t*.
3041         (annotate_with_file_line): Reflect the change of
3042         last_annotated_node type.
3043
3044 2005-10-04  Richard Guenther  <rguenther@suse.de>
3045
3046         PR c/23576
3047         * c-decl.c (grokdeclarator): Don't write to fields
3048         of error_mark_node.
3049
3050 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3051
3052         PR middle-end/23125
3053         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3054         register variables.
3055         * varasm.c (make_decl_rtl): If a register variable does not
3056         have a set user assmbler name, error out.
3057         Decode the asmspec is now name+1 bypassing '*'.
3058
3059 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3060
3061         PR tree-optimization/23049
3062         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3063         of a COND_EXPR is folded before calling fold on the whole rhs of a
3064         conditional assignment.
3065         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3066         document that a COND_EXPR may appear there.
3067
3068 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3069
3070         PR 23445
3071         * tree-vrp.c (extract_range_from_assert): If the new numeric
3072         range created out of the assertion contradicts the existing
3073         numeric range of the ASSERT_EXPR variable, make the new range
3074         varying.
3075
3076 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3077
3078         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3079         from T_REGS to FP register class.
3080
3081 2005-10-03  Richard Henderson  <rth@redhat.com>
3082
3083         PR 24135
3084         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3085         before creating a new one.
3086
3087 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3088
3089         * config/rs6000/t-aix43 (LDFLAGS): New.
3090         * config/rs6000/t-aix52 (LDFLAGS): New.
3091
3092 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3093
3094         * gimplify.c (find_single_pointer_decl_1): New static function.
3095         (find_single_pointer_decl): New static function.
3096         (internal_get_tmp_var): For a formal variable, set restrict base
3097         information if appropriate.
3098         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3099         return it.
3100         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3101         (DECL_GET_RESTRICT_BASE): Define.
3102         (SET_DECL_RESTRICT_BASE): Define.
3103         (decl_restrict_base_lookup): Declare.
3104         (decl_restrict_base_insert): Declare.
3105         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3106         * tree.c (restrict_base_for_decl): New static variable.
3107         (init_ttree): Initialize restrict_base_for_decl.
3108         (copy_node_stat): Copy restrict base information.
3109         (decl_restrict_base_lookup): New function.
3110         (decl_restrict_base_insert): New function.
3111         (print_restrict_base_statistics): New static function.
3112         (dump_tree_statistics): Call print_restrict_base_statistics.
3113
3114 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3115
3116         PR 24142
3117         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3118         case of anti-ranges.
3119
3120 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3121
3122         PR c/18851
3123         * c-typeck.c (tagged_tu_seen): Rename to ...
3124         (tagged_tu_seen_cache): this and add val field.
3125         (comptypes): Move functional to comptypes_internal
3126         and free tagged_tu_seen.
3127         (comptypes_internal): New function and call comptypes_internal
3128         instead of comptypes. Speed up by sibcalling
3129         tagged_types_tu_compatible_p.
3130         (alloc_tagged_tu_seen): New function
3131         (free_all_tagged_tu_seen_up_to): New function.
3132         (tagged_types_tu_compatible_p): Return the val of the seen two
3133         types.
3134         Add that the two types are the same to tagged_tu_seen_base
3135         if they are and call comptypes_internal instead of comptypes.
3136         <case UNION_TYPE>: Speed up common type where the fields are
3137         in the same order.
3138         (function_types_compatible_p): Call comptypes_internal instead of
3139         comptypes.
3140         (type_lists_compatible_p): Likewise.
3141         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3142
3143 2005-10-02  Matthias Klose  <doko@debian.org>
3144
3145         * doc/invoke.texi: Fix typo and speling error.
3146
3147 2005-10-01  Richard Henderson  <rth@redhat.com>
3148
3149         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3150
3151 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3152
3153         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3154         using --start-group and --end-group.
3155
3156 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3157
3158         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3159         FIXME note regarding quirky semantics.
3160
3161 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3162
3163         PR 24141
3164         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3165         non-null range as a last resort.
3166
3167 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3168             Diego Novillo  <dnovillo@redhat.com>
3169
3170         PR 23604
3171         * tree-vrp.c (extract_range_from_assert): For !=
3172         assertions, only build an anti-range if LIMIT is a
3173         single-valued range.
3174
3175 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3176
3177         * arm.md (movqi): On thumb when optimizing, handle loading from
3178         memory by describing this as taking a subreg of a zero-extended load
3179         into an SImode register.
3180         (movhi): Likewise.
3181
3182 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3183
3184         * reload1.c (merge_assigned_reloads): Do not change any
3185         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3186
3187 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3188
3189         * Makefile.in (LIPO_FOR_TARGET): Define.
3190         (STRIP_FOR_TARGET): Define.
3191
3192         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3193         before creating new ones.  Do symlinks before creating the actual
3194         targets.
3195
3196         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3197         to work out which multilibs are actually being built.
3198
3199 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3200
3201         * tree-vect-transform.c, config/ms1/ms1.md,
3202         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3203         Follow spelling conventions.
3204         * doc/invoke.texi, doc/md.texi: Fix typos.
3205
3206 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3207
3208         PR tree-optimization/21430
3209         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3210         use operands, and set stmt pointer if need be.
3211         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3212         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3213         present.
3214
3215 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3216
3217         PR middle-end/24053
3218         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3219
3220 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3221
3222         * optabs.c (expand_binop): Initialize first_pass_p.
3223
3224 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3225
3226         PR middle-end/24109
3227         * c-decl.c (c_write_global_declarations_1): If any
3228         wrapup_global_declaration_2 call returned true, restart the loop.
3229
3230 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3231
3232         Fix PR tree-optimization/24117
3233         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3234         before considering whether to use anyoffset.
3235
3236 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3237
3238         Revert this patch:
3239
3240         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3241
3242         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3243         to order operands.
3244         (swap_commutative_operands_with_target): New.
3245
3246 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3247
3248         PR c/21419
3249         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3250         read-only.
3251
3252 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3253
3254         PR tree-optimization/23911
3255         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3256         and IMAGPART_EXPR too.
3257
3258 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3259
3260         PR 17886
3261         * expmed.c (expand_shift): Move logic to reverse rotation
3262         direction when  rotating by constants ...
3263         * optabs.c (expand_binop): ... here.
3264         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3265         (ix86_rotrdi3): New pattern.
3266         (rotldi3): Handle 32-bit mode.
3267         (ix86_rotldi3): New pattern.
3268
3269 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3270
3271         PR target/24102
3272         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3273         check for numbers that need no bit twiddle.
3274
3275 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3276
3277         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3278         multilib to be built.
3279
3280         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3281         (stage1-start): Delete old libgcc and libunwind before moving
3282         anything into the stage directory.
3283         (stage2-start): Likewise.
3284         (stage3-start): Likewise.
3285         (stage4-start): Likewise.
3286         (stageprofile-start): Likewise.
3287         (stagefeedback-start): Likewise.
3288         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3289         header in tm_file and CPU-specific t-darwin in tmake_file.
3290         (i[34567]86-*-darwin*): Don't change tm_file.
3291         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3292         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3293         shared library stub for target OS version.
3294         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3295         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3296         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3297         (libgcc_s.%.dylib): New.
3298         (LIBGCC): Define.
3299         (install-darwin-libgcc-stubs): New.
3300         (INSTALL_LIBGCC): New append.
3301         * config/i386/darwin-libgcc.10.4.ver: New.
3302         * config/i386/darwin-libgcc.10.5.ver: New.
3303         * config/i386/t-darwin: New.
3304         * config/rs6000/darwin-libgcc.10.4.ver: New.
3305         * config/rs6000/darwin-libgcc.10.5.ver: New.
3306         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3307         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3308
3309 2005-09-28  Paul Brook  <paul@codesourcery.com>
3310
3311         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3312         denormals.
3313
3314 2005-09-28  Richard Guenther  <rguenther@suse.de>
3315
3316         PR tree-optimization/23853
3317         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3318         host_integerp to verify misalignment value.
3319
3320 2005-09-28  Richard Henderson  <rth@redhat.com>
3321
3322         * builtins.c (get_builtin_sync_mode): New.
3323         (expand_builtin_sync_operation): Pass in mode argument.
3324         (expand_builtin_compare_and_swap): Likewise.
3325         (expand_builtin_lock_test_and_set): Likewise.
3326         (expand_builtin_lock_release): Likewise.
3327         (expand_builtin): Update to match.
3328
3329 2005-09-28  Nick Clifton  <nickc@redhat.com>
3330
3331         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3332         formatting.  Add check to PLUS case to ensure that the offset is
3333         within an acceptable range.
3334
3335         * config/v850/v850.md (casesi): Disable the generation of the
3336         switch pattern as it is not being handled properly at the moment.
3337
3338         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3339         for when the high words are identical.
3340
3341 2005-09-27  Richard Henderson  <rth@redhat.com>
3342
3343         * pretty-print.c (pp_base_format): Fix typo for %>.
3344
3345 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3346             Devang Patel  <dpatel@apple.com>
3347
3348         PR tree-optimization/23625
3349         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3350         LABEL_EXPR, assertion check.
3351
3352 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3353
3354         * optabs.c (no_conflict_move_test): Check if a result of a
3355         to-be-moved insn would be clobbered by an originally
3356         preceding insn.
3357
3358 2005-09-27  Jeff Law  <law@redhat.com>
3359
3360         * passes.c (init_optimization_passes): Replace copy propagation
3361         passes immediately after DOM with phi-only copy propagation
3362         pases.  Add phi-only copy propagation pass after first DOM pass.
3363         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3364         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3365         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3366         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3367         to init_copy_prop.  Callers updated.
3368         (do_phi_only_copy_prop): New function.
3369         (pass_phi_only_copy_prop): New pass descriptor.
3370
3371 2005-09-27  Nick Clifton  <nickc@redhat.com>
3372
3373         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3374
3375 2005-09-26  Jason Merrill  <jason@redhat.com>
3376
3377         PR c++/13764
3378         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3379
3380         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3381
3382 2005-09-26  James E Wilson  <wilson@specifix.com>
3383
3384         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3385         copyright.  Add gcc copyright plus libgcc exception.
3386         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3387         copyright.
3388         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3389
3390 2005-09-26  Jeff Law  <law@redhat.com>
3391
3392         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3393         about when to iterate.
3394
3395 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3396
3397         PR target/23847
3398         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3399         for __complex__ double in -mcpu=G5 mode.
3400
3401 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
3402
3403         PR tree-optimization/23942
3404         * Makefile.in (SCEV_H): Depends on PARAMS_H.
3405         * tree-scalar-evolution.c: Include params.h.
3406         (t_bool): New enum.
3407         (follow_ssa_edge, follow_ssa_edge_in_rhs,
3408         follow_ssa_edge_in_condition_phi_branch,
3409         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3410         Change return type to t_bool.  Use a parameter to limit the size of
3411         trees that are walked before stopping
3412         (analyze_evolution_in_loop): Initialize the limit to 0.
3413         (follow_ssa_edge): Give up by returning t_dont_know if the limit
3414         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3415
3416 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3417
3418         PR middle-end/23831
3419         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3420         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3421
3422 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
3423
3424         * combine.c (make_extraction): Check for valid use of subreg.
3425
3426 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3427
3428         PR target/24055
3429         * config/i386/i386.md ("*fistdi2_1"): New pattern.
3430         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3431         ("fist<mode>2_with_temp"): Use only register operands.
3432
3433 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
3434
3435         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3436         CALL_INSN_FUNCTION_USAGE.
3437
3438 2005-09-26  Richard Guenther  <rguenther@suse.de>
3439
3440         PR middle-end/15855
3441         * gcse.c: Include hashtab.h, define ldst entry hashtable.
3442         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3443         (ldst_entry): Use the hashtable instead of list-walking.
3444         (find_rtx_in_ldst): Likewise.
3445         (free_ldst_entry): Free the hashtable.
3446         (compute_ld_motion_mems): Create the hashtable.
3447         (trim_ld_motion_mems): Remove entry from hashtable if
3448         removing it from list.
3449         (compute_store_table): Likewise^2.
3450         (store_motion): Free hashtable in case we did not see
3451         any stores.
3452
3453 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
3454
3455         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3456         and arg1 if we are passing them to fold_build2.
3457
3458 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
3459
3460         PR 23828
3461         * config/i386/i386.c (ix86_function_regparm): Fix the test for
3462         a nested function.
3463
3464 2005-09-25  Richard Henderson  <rth@redhat.com>
3465
3466         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3467         SYMBOL_REF_TLS_MODEL to be correct.
3468
3469 2005-09-24  Richard Henderson  <rth@redhat.com>
3470
3471         * ipa-type-escape.c (discover_unique_type): Remove dead code at
3472         end of function.  Reindent.
3473
3474 2005-09-24  Ian Lance Taylor  <ian@airs.com>
3475
3476         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3477         NEGATE_EXPR/BIT_NOT_EXPR case.
3478
3479 2005-09-24  Richard Henderson  <rth@redhat.com>
3480
3481         * c-common.c (handle_mode_attribute): When not modifying in place,
3482         create subtypes for enumerations.
3483         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3484         * gimplify.c (create_tmp_from_val): Likewise.
3485
3486 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
3487
3488         * config/i386/i386.md (*tls_global_dynamic_64,
3489         *tls_local_dynamic_base_64): Add missing mode to call.
3490         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3491
3492 2005-09-24  Jan Hubicka  <jh@suse.cz>
3493
3494         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3495         (cgraph_clone_node): Likewise.
3496         * cgraph.h (cgraph_clone_edge): Update prototype.
3497         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3498         duplicated prototypes; add updating argument.
3499         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3500         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3501         updating profile.
3502         (cgraph_mark_inline_edge): Likewise.
3503         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3504         (cgraph_flatten_node): Likewise.
3505         (cgraph_decide_recursive_inlining): Likewise.
3506         (cgraph_decide_inlining_of_small_function): Likewise.
3507         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3508
3509 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3510             Pete Steinmetz <steinmtz@us.ibm.com>
3511
3512         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3513         (rldic.): Set type to "compare".
3514         (rldicr.): Same.
3515         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
3516         mfjmpr for MFCTR/MFLR.
3517         (movdf_hardfloat64): Same.
3518         (movdf_softfloat64): Same.  Correct order of store and move types.
3519         (movti_string): Set type to store_ux/load_ux.
3520         (load_multiple): Set type to load_ux.
3521         (store_multiple): Set type to store_ux.
3522         (movmemsi): Set type to store_ux.
3523         (output_cbranch direct_return): Set type to jmpreg.
3524         (stmw): Set type to store_ux.
3525         (lmw): Set type to load_ux.
3526         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3527         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3528         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3529         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3530         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3531         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3532         (rios1-fpstore): Increase latency to 3.
3533         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3534         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3535
3536 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3537             Andrew Pinski  <pinskia@physics.uc.edu>
3538
3539         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3540         operand2 constraint to "b".
3541         (sync_<fetchop_name>di_internal): Same.
3542         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3543         to "b".
3544         (sync_old_<fetchop_name>di_internal): Same.
3545         (sync_new_<fetchop_name>si_internal): Same.
3546         (sync_new_<fetchop_name>di_internal): Same.
3547
3548 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
3549
3550         PR middle-end/23991
3551         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3552         case, define as macros.
3553
3554         PR rtl-optimization/23837
3555         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3556         clobber / clobber match between dest and p->first.
3557
3558         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3559         (no_conflict_move_test): Update comments.
3560
3561 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3562
3563         * doc/install.texi: Update URL for Jacks.
3564         * doc/sourcebuild.texi: Likewise.
3565
3566 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
3567
3568         PR target/24007
3569         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3570         registers when choosing register preferences.
3571         (movdf_hardfloat64): Same.
3572
3573 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3574
3575         * expmed.c (expand_shift): Don't use the target of the rotate as
3576         target for the first expanded shift insn.
3577         * testsuite/gcc.dg/20050922-1.c: Testcase added.
3578
3579 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
3580
3581         PR tree-optimization/22438
3582         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3583         preserved iv rhs rewriting specially.
3584
3585 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
3586
3587         * tree-data-ref.c (analyze_array_indexes): Only estimate when
3588         estimate_only  is true.
3589         * tree-flow.h (ref_contains_indirect_ref): New prototype.
3590         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3591         tree-ssa-structalias.c
3592         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3593         ref_contains_indirect_ref.
3594         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3595
3596 2005-09-21  DJ Delorie  <dj@redhat.com>
3597
3598         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3599         MASK_PTR_A0D0.
3600         (mn10300_return_in_memory): Support variable size types also.
3601         (mn10300_pass_by_reference): Likewise.
3602         (mn10300_function_value): New.
3603         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3604         (FUNCTION_OUTGOING_VALUE): Likewise.
3605         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3606         * doc/invoke.texi: Document it.
3607
3608 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
3609
3610         PR target/22585
3611         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3612         force integer op1 into register for XFmode compares.
3613
3614 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
3615
3616         PR middle-end/23971
3617         * expmed.c (alg_code): Add alg_impossible.
3618         (alg_hash_entry): Add cost.
3619         (synth_mult): Record alg_impossible in the hash table if
3620         multiplication by a given integer is impossble within the
3621         limit.  Speed up using alg_impossible.
3622
3623 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3624
3625         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3626         argument.  Allow and set any offset if needs_anyoffset is passed
3627         in.
3628         (get_constraint_for): Add argument here too.
3629         Pass it down.
3630         (do_structure_copy): Pass NULL to get_constraint_for.
3631         (handle_ptr_arith): Ditto.
3632         (find_func_aliases): Ditto.
3633
3634 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
3635
3636         PR rtl-optimization/23898
3637         * output.h (get_attr_min_length): Declare.
3638         * final.c (get_attr_length_1): New function, broken out of:
3639         (get_attr_length).
3640         (get_attr_min_length): New function.
3641         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3642         (duplicate_computed_gotos): Likewise.
3643         * genattr.c (insn_min_length): Generate declaration.
3644         * genattrtab.c (min_fn, min_attr_value): New functions.
3645         (make_length_attrs): Generate insn_min_length.
3646
3647 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
3648
3649         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3650
3651 2005-09-20  Richard Henderson  <rth@redhat.com>
3652
3653         PR tree-optimization/24059
3654         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3655         EXPAND_STACK_PARM.
3656
3657 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
3658
3659         * c.opt (fextended-identifiers): New.
3660         * c-opts.c (c_common_handle_option): Handle
3661         -fextended-identifiers.
3662         * doc/cpp.texi: Update documentation of extended identifiers.
3663         * doc/cppopts.texi (-fextended-identifiers): Document.
3664
3665 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR tree-optimization/23929
3668         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3669         if expr is NULL.
3670
3671         PR tree-optimization/23818
3672         * tree-stdarg.c (execute_optimize_stdarg): Call
3673         calculate_dominance_info.
3674
3675 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3676
3677         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3678         (analyze_siv_subscript_cst_affine): Add weak SIV test.
3679         (compute_overlap_steps_for_affine_1_2): Use
3680         get_number_of_iters_for_loop.
3681         (analyze_subscript_affine_affine): Check whether difference is
3682         zero first.
3683         Use get_number_of_iters_for_loop.
3684         Check whether overlap occurs outside of bounds.
3685         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3686
3687 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
3688
3689         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3690         base register if possible.
3691
3692 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
3693
3694         PR tree-optimization/18463
3695         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3696         converting it directly is not possible.
3697         (chrec_convert_aggressive): New function.
3698         * tree-chrec.h (chrec_convert_aggressive): Declare.
3699         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3700         Fold chrec conversions aggressively if asked to.
3701         (instantiate_parameters): Modified because of changes in
3702         instantiate_parameters_1.
3703
3704 2005-09-19  Richard Henderson  <rth@redhat.com>
3705
3706         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3707         (reduc_splus_v2df): New.
3708
3709 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
3710
3711         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3712         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
3713
3714 2005-09-19  Richard Henderson  <rth@redhat.com>
3715
3716         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3717         vcondu<SSEMODE12>.
3718
3719 2005-09-19  Richard Henderson  <rth@redhat.com>
3720
3721         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3722         (ia64_expand_dot_prod_v8qi): New.
3723         * config/ia64/ia64-protos.h: Update.
3724         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3725         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3726         sdot_prodv8qi, sdot_prodv4hi): New.
3727         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3728
3729 2005-09-19  Richard Henderson  <rth@redhat.com>
3730
3731         PR 23941
3732         * real.c (exact_real_truncate): Return false if the format cannot
3733         represent the number as a normal.
3734
3735         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3736         for a memory source.
3737
3738 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
3739
3740         * tree-ssa-operands.c (swap_tree_operands): Export.
3741         * tree.h (swap_tree_operands): Declare.
3742         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3743         Call swap_tree_operands.
3744
3745 2005-09-19  Richard Henderson  <rth@redhat.com>
3746
3747         * tree-flow.h (merge_alias_info): Declare.
3748         * tree-ssa-copy.c (merge_alias_info): Export.
3749         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3750         (vect_create_data_ref_ptr): Use create_iv directly.
3751         (vectorizable_load): Use correct types for integer constants.
3752         (vect_generate_tmps_on_preheader): Likewise.
3753         (vect_gen_niters_for_prolog_loop): Likewise.
3754
3755 2005-09-19  Steven Bosscher  <stevenb@suse.de>
3756
3757         PR rtl-optimization/23943
3758         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3759
3760 2005-09-18  Jan Hubicka  <jh@suse.cz>
3761
3762         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3763
3764 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
3765
3766         * varasm.c (output_constant): Do not abort on conversions to union
3767         types between different sizes.
3768
3769 2005-09-18  Richard Guenther  <rguenther@suse.de>
3770
3771         PR middle-end/23944
3772         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3773         fallback.
3774
3775 2005-09-18  Paul Brook  <paul@codesourcery.com>
3776
3777         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3778
3779 2005-09-17  Richard Henderson  <rth@redhat.com>
3780
3781         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3782         * tree-ssa-loop.c (pass_vect_dce): Remove.
3783         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3784         of pass_vectorize.
3785
3786 2005-09-17  Richard Henderson  <rth@redhat.com>
3787
3788         * tree-pass.h (pass_vect_dce): Declare.
3789         * passes.c (init_optimization_passes): Add it.
3790         * tree-flow.h (tree_ssa_dce): Declare.
3791         * tree-ssa-dce.c (tree_ssa_dce): Export.
3792         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3793         (gate_tree_vectorize): ... here.
3794         (pass_vect_dce): New.
3795
3796 2005-09-17  Jan Hubicka  <jh@suse.cz>
3797
3798         * except.c (struct eh_status): Turn region_array into vec.
3799         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3800         convert_from_eh_region_ranges, find_exception_handler_labels,
3801         current_function_has_exception_handlers, assign_filter_values,
3802         build_post_landing_pads, dw2_build_landing_pads,
3803         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3804         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3805         foreach_reachable_handler, can_throw_internal_1,
3806         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3807         region_array.
3808         (duplicate_eh_region_1): Update region_array.
3809         (duplicate_eh_regions): Resize region_array and avoid recomputing.
3810
3811 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
3812
3813         PR middle-end/22067
3814         * expmed.c (expand_mult): Substitute simple register for op0 when
3815         computing max_cost.
3816
3817 2005-09-17  Richard Henderson  <rth@redhat.com>
3818
3819         * expr.c (emit_move_via_integer): Add force argument, pass it on
3820         to emit_move_change_mode.  Update callers.
3821         (emit_move_complex): Pass true to new force argument.
3822         * function.c (expand_function_end): Move expand_eh_return call
3823         earlier.  Merge sub-word complex values into a pseudo before
3824         copying to the return hard register.
3825
3826 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
3827
3828         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3829         between different sizes.
3830
3831 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
3832
3833         PR 23903
3834
3835         * passes.c (init_optimization_passes): Register dump files for
3836         IPA passes first.
3837
3838 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3839
3840         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3841         * config/s390/s390.c (s390_overlap_p): New function.
3842         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3843         peephole2, "*xc" peephole2): Added overlap check to the peephole2
3844         condition.
3845
3846 2005-09-16  Richard Guenther  <rguenther@suse.de>
3847
3848         * ipa-pure-const.c (static_execute): Free auxiliar information.
3849         * ipa-type-escape.c (discover_unique_type): Free temporary key.
3850         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3851
3852 2005-09-15  DJ Delorie  <dj@redhat.com>
3853
3854         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3855
3856 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3857
3858         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3859         to order operands.
3860         (swap_commutative_operands_with_target): New.
3861
3862 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
3863
3864         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3865         parameter.
3866         Update callers.
3867         (estimate_iters_using_array): New function.
3868         * tree-data-ref.h (estimate_iters_using_array): Prototype
3869         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3870         Use estimate_iters_using_array instead of analyze_array.
3871
3872 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
3873
3874         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3875         as addressable.
3876
3877 2005-09-15  Michael Matz  <matz@suse.de>
3878
3879         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3880
3881 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
3882
3883         PR tree-optimization/23835
3884         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3885         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3886
3887 2005-09-14  Richard Henderson  <rth@redhat.com>
3888
3889         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3890         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3891
3892 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
3893
3894         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3895         in the ARRAY_TYPE case.
3896
3897 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
3898
3899         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3900
3901 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
3902
3903         PR middle-end/22480
3904         * tree-vect-transform.c (vectorizable_operation): Return false for
3905         scalar shift operations and for vector shift operations with
3906         non-invariant shift arguments.  Use scalar tree operand op1 as
3907         a shift operand when vector shift insn pattern uses scalar shift
3908         operand.
3909         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3910
3911 2005-09-14  Olivier Hainque  <hainque@adacore.com>
3912
3913         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3914         value if it has side-effects.
3915
3916 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
3917
3918         PR target/22068
3919         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3920
3921 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
3922
3923         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3924         passed as NAME as if it were label at start of function code.
3925
3926 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3927
3928         * config/sh/sh.md (*movv4sf_i): Add general register cases to
3929         the constraints.
3930
3931 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
3932
3933         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3934         as early clobber.  Rewrite so the PIC register is not implicitly used.
3935
3936 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3937
3938         * tree.c (annotate_with_file_line): Compare line numbers before
3939         file names.
3940
3941 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
3942
3943         PR target/23816
3944         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3945         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3946
3947 2005-09-13  Ian Lance Taylor  <ian@airs.com>
3948
3949         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3950         than a HOST_WIDEST_INT to gen_doloop_begin.
3951
3952 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
3953
3954         * tree-dfa.c (dump_variable): Guard against NULL annotations.
3955
3956 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
3957
3958         PR tree-optimize/23817
3959         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3960
3961 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
3962
3963         PR target/23774
3964         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3965         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
3966         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3967         (restore_stack_nonlocal): Likewise.
3968         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3969
3970 2005-09-12  Ian Lance Taylor  <ian@airs.com>
3971
3972         PR g++/7874
3973         * c.opt (ffriend-injection): New C++ option.
3974         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3975         (C++ Dialect Options): Document -ffriend-injection.
3976
3977 2005-09-12  Josh Conner  <jconner@apple.com>
3978
3979         PR middle-end/23237
3980         * ipa-reference.c (static_execute): Don't mark variables in
3981         named sections TREE_READONLY.
3982
3983 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3984
3985         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3986         stack_tie.
3987
3988 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
3989
3990         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3991         V_MUST_DEF instead of just the first_use_p.
3992         Don't mark the virtual variables for renaming on the statement which
3993         is being removed.
3994         (pass_dse): Remove TODO_update_ssa.
3995
3996 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
3997
3998         PR middle-end/23290
3999         * stor-layout.c (compute_record_mode): For records with a single
4000         field, actually check the field's mode size against the type size.
4001
4002         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4003         registers for TARGET_SHMEDIA.
4004         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4005         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
4006         of GENERAL_REGS and FP_REGS.
4007
4008 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4009
4010         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4011
4012 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4013
4014         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4015         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4016         are omitted.  Exclude stack_tie insn too.
4017
4018 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4019
4020         PR rtl-optimization/23098
4021         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4022         0.0f is easy.
4023         * config/rs6000/rs6000.md (movdf splitter): Use
4024         const_double_operand predicate for TARGET_POWERPC64.
4025         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4026         SYMBOL_REF method to ABI_V4.
4027
4028         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4029         replace_equiv_address.
4030         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4031         rs6000_sr_alias_set and MEM_NOTRAP.
4032         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4033
4034 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4035
4036         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4037         handle CALL_EXPR again.
4038
4039 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4040
4041         * arm/predicates.md (alignable_memory_operand): Delete.
4042
4043 2005-09-10  Richard Henderson  <rth@redhat.com>
4044
4045         PR debug/23806
4046         * dbxout.c (dbxout_expand_expr): New.
4047         (dbxout_symbol): Use it.
4048
4049 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4050
4051         * arm.c (arm_gen_rotated_half_load): Delete.
4052         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4053         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4054         (thumb_set_return_address): Likewise.
4055         (thumb_load_double_from_address): Use adjust_address.
4056         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4057         (extendhsisi2_mem, movhi_bytes): Use change_address.
4058         (movhi): Use widen_memory_access.
4059         (reload_out_df): Use replace_equiv_address.
4060         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4061
4062 2005-09-09  Richard Henderson  <rth@redhat.com>
4063
4064         PR debug/20998
4065         * dbxout.c: Include expr.h.
4066         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4067         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4068         * Makefile.in (dbxout.o): Add EXPR_H.
4069
4070 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4071
4072         PR tree-optimization/23509
4073         * tree-cfg.c (replace_uses_by): Use replace_exp.
4074         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4075         pointers have name_mem_tag or type_mem_tag set.
4076
4077 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4078
4079         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4080         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4081         of wrongly accessing operands.
4082
4083 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4084
4085         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4086         * tree-chrec.c: Include tree-scalar-evolution.h.
4087         (chrec_convert): Instantiate the base and step before calling
4088         scev_probably_wraps_p that would fail on parametric evolutions.
4089         Collect all the fails into a single section failed_to_convert,
4090         print a diagnostic, and return chrec_dont_know instead of calling
4091         fold_convert.
4092         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4093         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4094         phi nodes.
4095         (scev_const_prop): Don't replace the definition of a loop closed ssa
4096         phi node by itself, or by another loop closed ssa phi node.
4097         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4098         that base and step are defined.
4099
4100 2005-09-09  Richard Guenther  <rguenther@suse.de>
4101
4102         PR c++/23624
4103         * fold-const.c (fold_ternary): Check truth_value_p before
4104         calling invert_truthvalue.
4105
4106 2005-09-09  Nick Clifton  <nickc@redhat.com>
4107
4108         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4109         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4110         dimension of these arrays.
4111         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4112         these arrays.
4113         * longlong.h: Only provide a prototype for the __clz_tab[] array
4114         if this header has not been included from libgcc2.h.
4115         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4116         defining own types.
4117         Provide prototypes for exported functions.
4118         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4119         libgcc2.c.
4120
4121 2005-09-08  Josh Conner  <jconner@apple.com>
4122
4123         PR c++/21135
4124         PR c++/23180
4125         * expr.c (expand_expr_addr_expr_1): Don't invoke
4126         expand_simple_binop for EXPAND_INITIALIZER.
4127
4128 2005-09-08  Richard Henderson  <rth@redhat.com>
4129
4130         PR debug/23190
4131         * toplev.c (wrapup_global_declaration_1): Split out ...
4132         (wrapup_global_declaration_2): ... from ...
4133         (wrapup_global_declarations): ... here.  Return bool.
4134         (check_global_declaration_1): Split out ...
4135         (check_global_declarations): from here.
4136         (emit_debug_global_declarations): New.
4137         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4138         check_global_declaration_1, emit_debug_global_declarations): Declare.
4139         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4140         of decls.  Call wrapup_global_declaration_1,
4141         wrapup_global_declaration_2, check_global_declaration_1 directly.
4142         (c_write_global_declarations_2): New.
4143         (ext_block): New.
4144         (c_write_global_declarations): Call c_write_global_declarations_2.
4145         * langhooks.c (write_global_declarations): Call
4146         emit_debug_global_declarations.
4147
4148         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4149         remove decls that have DECL_RTL_SET_P.
4150         * passes.c (rest_of_decl_compilation): Invoke
4151         cgraph_varpool_finalize_decl for all but functions.
4152
4153 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4154
4155         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4156         the result of a conversion if the new min and max cannot be compared.
4157
4158 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4159
4160         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4161         (override_options): Setting s390_sr_alias_set removed.
4162         (save_fpr, save_gprs): Set alias set to vararg or frame.
4163         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4164         s390_sr_alias_set with get_frame_alias_set ().
4165         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4166         get_varargs_alias_set ().
4167
4168 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4169
4170         PR objc/20574
4171         PR objc/19324
4172         * c-parser.c (c_parser_objc_method_definition): If the next
4173         token is not "{", error out and don't start the function.
4174
4175 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4176
4177         * tree-vrp.c (extract_range_from_expr): Move the check for non
4178         nullness after the check for gimple invariant.
4179
4180 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4181
4182         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4183
4184 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4185
4186         PR target/23747
4187         * config/m32r.md (movmemsi_internal): Canonicalize order of
4188         operands in PLUS component of template.
4189
4190 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4191
4192         * reload1.c (fixup_eh_region_note): Remove assertion.
4193         (fixup_abnormal_edges): Reverted removal of call to
4194         find_many_sub_basic_blocks made on 2005-08-31.
4195
4196 2005-09-07  Richard Henderson  <rth@redhat.com>
4197
4198         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4199         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4200         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4201         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4202         rearrange for better packing.
4203         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4204         (lookup_cfa_1): Remove inline marker.
4205         (cfa_equal_p): Split out of ...
4206         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4207         (build_cfa_loc): Handle !cfa->indirect.
4208         (frame_pointer_cfa_offset): New.
4209         (dbx_reg_number): Assert register elimination performed; do
4210         leaf register remapping.
4211         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4212         (eliminate_reg_to_offset): New.
4213         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4214         for verifiably local stack frame addresses; re-base to CFA.
4215         (mem_loc_descriptor): Remove can_use_fbreg argument.
4216         (concat_loc_descriptor, loc_descriptor): Likewise.
4217         (containing_function_has_frame_base): Remove.
4218         (rtl_for_decl_location): Don't do register elimination or
4219         leaf register remapping here.
4220         (secname_for_decl): Split out from ..
4221         (add_location_or_const_value_attribute): ... here.
4222         (convert_cfa_to_loc_list): New.
4223         (compute_frame_pointer_to_cfa_displacement): New.
4224         (gen_subprogram_die): Use them.
4225         * tree.h (frame_base_decl): Remove.
4226         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4227         (prologue_stack_adjust): Remove.
4228         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4229         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4230         (set_frame_base_location): Remove.
4231         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4232         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4233         (vt_add_function_parameters): Don't eliminate_regs.
4234         (vt_initialize): Don't create frame_base_decl.
4235
4236 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4237
4238         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4239         version of GNU binutils for 4.x and later.
4240
4241 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4242
4243         * ggc-page.c (ggc_push_context): Remove.
4244         (ggc_pop_context): Likewise.
4245         * ggc.h (ggc_push_context): Remove.
4246         (ggc_pop_context): Likewise.
4247
4248 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4249
4250         PR target/8973
4251         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4252         returning from an interrupt handler.
4253
4254 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4255
4256         PR target/8972
4257         * config/arc/arc.c (output_shift): Add check for loop count when
4258         optimizing.
4259
4260 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4261
4262         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4263         form manually.
4264         (abs_replacement): Likewise.
4265         (pass_phiopt): Remove TODO_update_ssa.
4266
4267 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4268
4269         PR c/23075
4270         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4271         if "return with no value, in function returning non-void" warning
4272         has been issued.
4273         * tree-cfg.c (execute_warn_function_return): Don't look at
4274         RETURN_EXPRs with TREE_NO_WARNING set.
4275
4276         PR target/22362
4277         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4278         for internal functions doesn't use registers used by global registers
4279         variables.  Use fewer register parameters if there are global register
4280         variables.
4281
4282 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4283             Eric Botcazou  <ebotcazou@adacore.com>
4284
4285         PR middle-end/14997
4286         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4287         when we would be extracting outside its bit span (bitpos+bitsize
4288         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4289         Ada unchecked conversions.
4290
4291 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4292
4293         * tree-ssa-pre.c (try_look_through_load): New function.
4294         (compute_avail): Use it to try to look through loads for some
4295         more useful expressions.
4296
4297 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4298
4299         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4300         condition for detecting cases like (a&a) and (a^a).
4301
4302 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4303
4304         * common.opt: Add option ftree-vect-loop-version.
4305         * params.def: Add --param vect-max-version-checks.
4306         * doc/invoke.texi: Document ftree-vect-loop-version and
4307         --param vect-max-version-checks.
4308         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4309         may_misalign_stmts and defines for accessors.
4310         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4311         LOOP_VINFO_MAY_MISALIGN_STMTS.
4312         (destroy_loop_vec_info): VEC_free for
4313         LOOP_VINFO_MAY_MISALIGN_STMTS.
4314         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4315         Update documentation.
4316         (vect_update_misalignment_for_peel): New.
4317         (vect_enhance_data_refs_alignment): Update to choose loop
4318         peeling or loop versioning if appropriate for the (potentially)
4319         unaligned data references in the loop.
4320         (vect_analyze_data_refs_alignment): Remove call to
4321         vect_enhance_data_refs_alignment so the checks can be done
4322         earlier.
4323         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4324         and move up call to vect_analyze_data_refs_alignment.
4325         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4326         (vect_transform_loop): Add call to loop_version.
4327
4328 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4329
4330         PR rtl-optimization/23098
4331         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4332         * simplify-rtx.c (constant_pool_reference_p): New function.
4333         * rtl.h (constant_pool_reference_p): New prototype.
4334         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4335         constant_pool_reference_p in condition and
4336         avoid_constant_pool_reference in preparation statements.
4337
4338 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4339
4340         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4341         STRICT_LOW_PART SETs.
4342
4343 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4344
4345         PR middle-end/21460
4346         * except.c (sjlj_emit_function_enter): Find the function begin
4347         note even when it's not in first basic block.
4348
4349 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4350
4351         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4352         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4353         * aclocal.m4: Regenerate.
4354
4355 2005-09-05  DJ Delorie  <dj@redhat.com>
4356
4357         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4358         of macro.
4359
4360 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4361
4362         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4363         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4364         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4365         Follow spelling conventions.
4366         * doc/invoke.texi: Follow spelling conventions.
4367
4368 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4369
4370         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4371         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4372         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4373
4374 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4375
4376         PR target/23683
4377         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4378         (output_stack_adjust): Use gen_tmp_stack_mem.
4379         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4380         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4381         (sh_get_pr_initial_val): Likewise.
4382         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4383         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4384         * sh.md (divsi_inv_m0): Use gen_const_mem.
4385         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4386         (movdf_i4+1): Use gen_tmp_stack_mem.
4387         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4388         (fpu_switch+2): Likewise.
4389         (movv4sf_i, movv16sf_i): Use adjust_address.
4390         (symGOT_load): Set MEM_NOTRAP_P bit.
4391
4392 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4393
4394         PR target/23721
4395         * pa.c (emit_move_sequence): Fix typo in last change.
4396
4397 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
4398
4399         PR rtl-optimization/23454
4400         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4401         is true.
4402
4403 2005-09-03  Richard Henderson  <rth@redhat.com>
4404             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4405
4406         PR middle-end/23671
4407         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4408         gen_rtx_MEM.
4409
4410 2005-09-02  Nicolas Pitre <nico@cam.org>
4411
4412         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4413         to bit_count to 32 bits.
4414
4415 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
4416
4417         PR c++/23167
4418         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4419         generating synthetic loads from volatile lvalues.
4420
4421 005-09-02  Nick Clifton  <nickc@redhat.com>
4422
4423         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4424         __ctzhi2, __clzhi2): New functions.
4425
4426 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
4427
4428         PR middle-end/23547
4429         * tree-nested.c (struct var_map_elt): Mark with GTY.
4430         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
4431         var_map_elt.
4432         (lookup_field_for_decl): Allocate new element in GC memory.
4433         (lookup_tramp_for_decl): Likewise.
4434         (convert_nl_goto_reference): Likewise
4435         (create_nesting_tree): Allocate info in GC memory. Likewise for
4436         info->var_map.
4437         (free_nesting_tree): Free with ggc_free instead of free.
4438         (root): New static variable.
4439         (lower_nested_functions): Remove root as local variable.  And zero out
4440         root at the end of the function.
4441
4442 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
4443
4444         PR rtl-optimization/20365
4445         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4446         to short.  New member ix.
4447         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4448         (simplify_plus_minus): Initialize ix members before calling qsort.
4449
4450 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
4451
4452         PR tree-optimization/23626
4453         * tree-cfg.c (replace_uses_by): Clean up eh info.
4454
4455 2005-09-01  DJ Delorie  <dj@redhat.com>
4456
4457         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4458         fprintf.
4459
4460 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
4461
4462         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4463         (rs6000_split_multireg_move): Use replace_equiv_address instead of
4464         gen_rtx_MEM.
4465
4466 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
4467
4468         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
4469         do not issue warning for a variable definition following
4470         a declaration.
4471
4472 2005-09-01  Richard Henderson  <rth@redhat.com>
4473
4474         PR 23668
4475         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4476         conversion to CONST_VECTOR.
4477
4478 2005-09-01  Richard Henderson  <rth@redhat.com>
4479
4480         PR 23676
4481         * reload1.c (reload_as_needed): Check !CALL_P before calling
4482         fixup_eh_region_note.
4483         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4484
4485 2005-09-01  DJ Delorie  <dj@redhat.com>
4486
4487         * varasm.c (output_constant): Let the target resolve
4488         conversions of addresses to non-default pointer sizes.
4489
4490 2005-09-01  Nicolas Pitre <nico@cam.org>
4491
4492         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4493         to alow matching ARM pre-indexed addressing mode.
4494         (arm_override_options): Remove now irrelevant comment.
4495
4496 2005-09-01  Phil Edwards  <phil@codesourcery.com>
4497
4498         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
4499         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
4500         * config/i386/vxworks.h:  Likewise.
4501         * config/i386/t-vxworksae:  New file, for VxWorks AE.
4502         * config/i386/vxworksae.h:  Likewise.
4503
4504 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
4505
4506         PR tree-optimization/23410
4507         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4508         sequence is not wrapping during the first step.
4509
4510 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4511
4512         PR debug/7241
4513         * dwarf2out.c (base_type_die): Compare char_type_node with
4514         TYPE_MAIN_VARIANT (type), not type.
4515
4516 2005-09-01  Richard Guenther  <rguenther@suse.de>
4517
4518         PR tree-optimization/15366
4519         * common.opt: Add -finline-functions-called-once.
4520         Put -fearly-inlining in alphabetically ordered place.
4521         * doc/invoke.texi: Document new option.
4522         * ipa-inline.c (cgraph_decide_inlining): Honour
4523         flag_inline_functions_called_once.
4524
4525 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4526
4527         PR rtl-optimization/23478
4528         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4529         (alloc_qty): Initialize it.
4530         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4531         (combine_regs): Combine also n_throwing_calls_crossed fields.
4532         (find_free_reg): Don't attempt to caller-save pseudos crossing
4533         calls that might throw.
4534         * global.c (struct allocno): Add throwing_calls_crossed field.
4535         (global_alloc): Revert 2005-08-22 change.  Initialize
4536         throwing_calls_crossed.
4537         (find_reg): Don't attempt to caller-save pseudos crossing calls that
4538         might throw.
4539
4540 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
4541
4542         PR target/23649
4543         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4544         (mask64_operand): Reinstate code prior to 2005-06-11 change.
4545         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4546         (and64_2_operand): Tweak to use predicate.
4547         (and_operand): Adjust for mask_operand changes.
4548         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4549         (print_operand): Likewise.
4550         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4551         (mask64_1or2_operand): Delete.
4552         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4553         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4554         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4555         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4556         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4557         (rotldi3_internal4): Likewise.
4558         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4559         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4560         (ashldi3_internal7): Likewise.
4561         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4562         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4563         (anddi3 split): Don't match mask64_operand.
4564         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4565         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4566         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
4567         't' splitter predicate.
4568         (movdi_internal64 + 2): Revert 2005-06-11 change.
4569
4570 2005-08-31  DJ Delorie  <dj@redhat.com>
4571
4572         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4573         (m32c_asm_integer): Add support for 32 bit pointers.
4574
4575 2005-08-31  Richard Henderson  <rth@redhat.com>
4576
4577         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4578         component-like references for setting MEM_NOTRAP_P.
4579
4580         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4581         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4582
4583 2005-08-31  Richard Henderson  <rth@redhat.com>
4584
4585         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4586         into a pseudo before applying gen_lowpart.
4587
4588 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
4589
4590         * doc/install.texi (Specific): Update cctools version required
4591         for full functionality.
4592         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4593         linkers as -macosx_version_min.
4594
4595 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
4596
4597         PR target/21255
4598         * sh.c (print_operand, %R and %S): Add handling of floating point
4599         registers, memory, constants and invalid operands.
4600
4601 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
4602
4603         * ipa-pure-const.c: Change dump name.
4604
4605 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4606
4607         PR target/23570
4608         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4609         to "reg_or_0_operand".
4610         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4611
4612 2005-08-31  Dale Johannesen  <dalej@apple.com>
4613
4614         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
4615         loops that count down.
4616
4617 2005-08-31  Richard Henderson  <rth@redhat.com>
4618
4619         PR rtl-opt/23601
4620         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4621         (fixup_eh_region_note): New.
4622         (reload_as_needed): Call it.
4623         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4624         don't call find_many_sub_basic_blocks; call verify_flow_info.
4625         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4626         (keep_stack_depressed): Likewise.
4627         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4628
4629 2005-08-31  Richard Henderson  <rth@redhat.com>
4630
4631         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4632         fp return matching.
4633
4634 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
4635
4636         * expr.c (expand_expr_real_1): Compare size of address
4637         mode to target's address mode size in deciding expansion of
4638         the constant address.
4639
4640 2005-08-31  Richard Guenther  <rguenther@suse.de>
4641
4642         PR middle-end/23477
4643         * expr.c (all_zeros_p): New function.
4644         (expand_expr_real_1): Handle the case of an all-zero
4645         non-addressable constructor separately.
4646
4647 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
4648
4649         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4650         arguments, adjust all callers.
4651         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4652
4653 2005-08-30  Richard Henderson  <rth@redhat.com>
4654
4655         PR target/23630
4656         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4657         whenever the mode sizes match.
4658
4659 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
4660
4661         * calls.c (load_register_parameters): Fix comment typo.
4662         * expr.c (emit_push_insn): Comment formatting.
4663
4664 2005-08-30  Ian Lance Taylor  <ian@airs.com>
4665
4666         * config/i386/x-cygwin (host-cygwin): Change dependency from
4667         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4668
4669 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
4670
4671         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4672         parts of 'vals'.
4673
4674 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
4675
4676         PR middle-end/23408
4677         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4678         call to ggc_collect.
4679
4680 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
4681
4682         PR bootstrap/21268
4683         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4684         beginning.  Remove $(INCLUDES) from all the rules, if following
4685         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4686
4687 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
4688
4689         PR middle-end/23484
4690         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4691         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4692         not constant, but maxlen is, don't set len to maxlen, rather
4693         set maxlen to len if len is a constant.
4694
4695 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
4696
4697         PR tree-optimization/23475
4698         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4699         and counts.
4700
4701 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
4702
4703         Fix PR middle-end/22455
4704
4705         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4706         Checksum only the parts of the tree that exist for the tree code.
4707
4708 2005-08-28  Dale Johannesen  <dalej@apple.com>
4709
4710         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
4711
4712 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
4713
4714         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4715
4716 2005-08-28  Richard Henderson  <rth@redhat.com>
4717
4718         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4719         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4720         of char_type_node.
4721
4722 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
4723
4724         PR ada/23593
4725         * builtins.c (get_memory_rtx): Don't strip nops
4726         in between COMPONENT_REFs.
4727
4728 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
4729
4730         PR middle-end/23463
4731         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4732         types.
4733         (gimplify_modify_expr): Check for zero sized types and gimplify the
4734         rhs and lhs as statements.
4735
4736 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
4737
4738         PR libgcj/23508
4739         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4740         state for return address column of signal frames.
4741
4742 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
4743
4744         PR target/23539
4745         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4746         bytes >= 2 not bytes == 2.
4747         (expand_block_move): Same.
4748
4749 2005-08-27  Richard Guenther  <rguenther@suse.de>
4750
4751         PR target/23575
4752         * config/i386/sse.md (sse2_movsd): Add missing closing
4753         braces.
4754
4755 2005-08-27  Paul Brook  <paul@codesourcery.com>
4756
4757         * genrecog.c (enum decision_type): Add DT_num_insns.
4758         (struct decision_test): Add u.num_insns.
4759         (add_to_sequence): Add DT_num_insns test.
4760         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4761         (write_cond, debug_decision_2): Ditto.
4762         (change_state): Assume peep2_next_insn never fails.
4763         Remove "afterward" argument.
4764         (write afterward, write_tree): Update to match.
4765         * recog.c (peep2_current_count): New variable.
4766         (peep2_next_insn): Check it.
4767         (peephole2_optimize): Set peep2_current_count.
4768         * recog.h (peep2_current_count): Declare.
4769
4770 2005-08-26  Josh Conner  <jconner@apple.com>
4771
4772         PR middle-end/23584
4773         * ipa-pure-const.c (check_tree): Check for volatile-ness
4774         when considering a dereference.
4775
4776 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
4777
4778         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4779
4780 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4781
4782         PR rtl-optimization/23561
4783         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
4784         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4785         at most LEN bytes long memory fits into the field.
4786         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4787         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4788         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4789
4790 2005-08-26  Richard Henderson  <rth@redhat.com>
4791
4792         PR rtl-opt/23560
4793         * loop.c (biased_biv_may_wrap_p): New.
4794         (maybe_eliminate_biv_1): Use it to suppress non-equality
4795         comparison transformations.  Delete disabled code.
4796
4797 2005-08-26  Ian Lance Taylor  <ian@airs.com>
4798
4799         * combine.c (make_extraction): Avoid reference outside object.
4800
4801 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
4802
4803         * stor-layout.c (finalize_type_size): Restore behaviour for
4804         non-aggregate types to the status quo ante of the patch for
4805         pr 23467.  Document why it matters.
4806
4807 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4808
4809         PR c/23506
4810         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4811         array by one element, initialize the BT_LAST element with NULL.
4812
4813 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
4814
4815         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4816         optimizing for size.
4817         (plus_eqsi): Same.
4818         (compare_plus_eqsi): Same.
4819         (plus_eqsi_compare): Same.
4820         (neg_eq0<mode>): Same.
4821         (neg_eq<mode>): Same.
4822
4823         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4824         PROCESSOR_POWER4.
4825
4826 2005-08-26  Nick Clifton  <nickc@redhat.com>
4827
4828         * config/v850/v850.c (ep_memory_operand): Return FALSE if
4829         TARGET_EP is not defined.
4830         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4831         TARGET_EP is enabled.
4832         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4833         * config/v850/v850.md (save_all_interrupt): Only use the EP
4834         register if TARGET_EP is defined.
4835         (restore_all_interrupt): Likewise.
4836         * config/v850/lib1funcs.asm: Update functions so that the EP
4837         register is only used if __EP__ is defined.
4838
4839 2005-08-26  David Ung  <davidu@mips.com>
4840
4841         * config/mips/mips.c (mips_expand_prologue): Handle case when
4842         generating for MIPS16 and the outgoing argument area is more than
4843         SMALL_OPERAND. Use the frame pointer as temporary to generate the
4844         add instruction.
4845
4846 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
4847
4848         * config/crx/crx.md: Make doloop_end pattern usage controllable
4849         via mloop-nesting=<max-nesting> command line switch. Make sure
4850         the combiner cannot use doloop_end_<mode> in an illegal way.
4851         * config/crx/crx.c: Use regs up to r6 for argument passing.
4852         Refine crx_address_cost (non cst4 displacements are expensive).
4853         * config/crx/crx.opt: Add switch for mloop-nesting=.
4854
4855 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
4856
4857         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4858         (UNSPEC_MVST): New constant.
4859
4860 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
4861
4862         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4863         Reject operands containing eliminable registers.
4864         * testsuite/gcc.dg/20050825-1.c: New testcase.
4865
4866 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4867             Jan Hubicka  <jh@suse.cz>
4868
4869         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4870
4871 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4872
4873         PR tree-optimization/23546
4874         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4875         and REAL_CST nodes.
4876
4877 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
4878
4879         * params.def (PARAM_MIN_SPEC_PROB): New.
4880         * sched-rgn.c (MIN_PROBABILITY): Delete.
4881         (compute_trg_info): Convert to PARAM_VALUE.
4882         * doc/invoke.texi (param): Document min-spec-prob.
4883
4884 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
4885
4886         * config/darwin.h: define __PIC__
4887         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4888         TARGET_OS_CPP_BUILTINS macro.
4889
4890 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4891
4892         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4893         yesterday.
4894
4895 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4896
4897         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4898         to duplicate_block.
4899         * cfghooks.c (duplicate_block): Added position where to place
4900         new block as argument.
4901         * cfghooks.h (duplicate_block): Declaration changed.
4902         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
4903         duplicate_block.
4904         * cfglayout.h (copy_bbs): Declaration changed.
4905         * cfgloop.h (loop_version): Declaration changed.
4906         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4907         position to copy_bbs.
4908         (loop_version): Pass position to duplicate_loop_to_header_edge.
4909         Add place_after argument and position new blocks according to
4910         it.
4911         * modulo-sched.c (sms_schedule): Pass place_after argument
4912         to loop_version.
4913         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4914         * tree-cfg.c (split_edge_bb_loc): New function.
4915         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4916         to determine position of new blocks.
4917         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4918         to loop_version.
4919         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4920         argument to duplicate_block.
4921         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4922         Pass position to copy_bbs.
4923
4924 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4925
4926         * fold-const.c (ptr_difference_const): Use
4927         cst_and_fits_in_hwi instead of host_integerp.
4928
4929 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4930
4931         * config/darwin.c (gen_pic_offset): New.
4932         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
4933         Use it.
4934
4935 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
4936
4937         PR tree-optimization/23486
4938         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4939
4940 2005-08-23  Phil Edwards  <phil@codesourcery.com>
4941
4942         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
4943         remove use_collect2.
4944         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
4945
4946         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
4947         configuration files to override the default value.
4948
4949         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
4950         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4951         * config/vx-common.h:  New file, split out from...
4952         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
4953         * config/vxworksae.h:  New file, for VxWorks AE.
4954         * config/vxworks.opt:  New file.
4955         * config/vxlib.c:  Update for VxWorks 6.
4956
4957         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
4958         other MULTILIB_* variables appropriately.
4959         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
4960         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
4961         * config/rs6000/vxworks.h:  Update for VxWorks 6.
4962         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
4963
4964 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
4965
4966         PR target/20799
4967         * config/darwin.c (machopic_select_section): Remove the hack to
4968         mark "::operator new" and "::operator delete" for coalescing
4969         even though they are not weak.
4970
4971 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
4972
4973         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4974         * configure: Regenerate.
4975
4976 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4977
4978         PR middle-end/23517
4979         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4980         between vectors.
4981         * convert.c (convert_to_integer, convert_to_vector): Likewise.
4982         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4983         Likewise.
4984
4985 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4986
4987         * config/rs6000/predicates.md (equality_operator): New.
4988         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4989         comparison with a large constant.
4990
4991 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
4992
4993         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4994
4995 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
4996
4997         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4998         registers is even, and we have a hardware double precision fp,
4999         align the buffer.
5000         (sh_gimplify_va_arg_expr): For floating point arguments, consider
5001         size of current argument when checking if argument was passed in
5002         registers.
5003
5004         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5005
5006         PR middle-end/23467
5007         * stor-layout.c (finalize_type_size): Dont override
5008         existing alignment with a smaller alignment from the mode.
5009
5010 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5011
5012         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5013         * lambda.h (lambda_vector_lexico_pos): ... here.
5014         * tree-data-ref.c (build_classic_dist_vector): Return false when
5015         the distance vector is lexicographically negative.
5016
5017 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5018
5019         PR tree-optimization/23511
5020         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5021         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5022
5023 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5024
5025         PR tree-optimization/22043
5026         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5027         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5028         If ALLOW_FLEXARR, handle types ending with flexible array member.
5029         Pass false as second argument to recursive count_type_elements calls.
5030         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5031         argument to count_type_elements call.
5032         * tree-sra.c (decide_block_copy): Likewise.
5033         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5034         for a constant-sized object, set cleared as well.  Pass true as
5035         second argument to count_type_elements call.
5036
5037 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5038
5039         PR target/21571
5040         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5041         from legitimate_small_data_p, and make global.  Update use.
5042         Remove forward declaration.
5043         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5044         Declare.
5045         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5046
5047 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5048
5049         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5050         of scratch intermediates.
5051         (eq<mode>_compare): Same.
5052         (neg_eq0<mode>): New.
5053         (neg_eq<mode>): Convert to define_insn_and_split.
5054
5055 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5056
5057         PR target/23070
5058         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5059         stdarg functions, set/clear the fp marker even when no variable
5060         args are passed.
5061         * config/rs6000/sysv4.opt (mprototype): Describe.
5062
5063 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5064
5065         PR rtl-optimization/23478
5066         * regs.h (reg_info): Add throw_calls_crossed.
5067         (REG_N_THROWING_CALLS_CROSSED): Define.
5068         * flow.c (allocate_reg_life_data): Initialize
5069         REG_N_THROWING_CALLS_CROSSED.
5070         (propagate_one_insn, attempt_auto_inc): Update
5071         REG_N_THROWING_CALLS_CROSSED.
5072         * global.c (global_alloc): Don't allocate pseudos across
5073         calls that may throw.
5074
5075 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5076
5077         PR c/18715
5078         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5079         value is inbetween the range if we did not find an exact match.
5080
5081 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5082
5083         * doc/invoke.texi (Option Summary): Add ms1 options.
5084         * doc/extend.texi: Document interrupt handler attribute for ms1.
5085         * doc/md.texi: Document ms1 constraints.
5086         * config.gcc: Add ms1-*-elf.
5087         * config/ms1/ms1.h: New.
5088         * config/ms1/ms1.c: New.
5089         * config/ms1/ms1.md: New.
5090         * config/ms1/ms1-protos.h: New.
5091         * config/ms1/ABI.txt: New.
5092         * config/ms1/crti.asm: New.
5093         * config/ms1/crtn.asm: New.
5094         * config/ms1/lib2extra-funcs.c: New.
5095         * config/ms1/t-ms1: New.
5096         * config/ms1/ms1.opt: New.
5097
5098 2005-08-22 Ira Rosen <irar@il.ibm.com>
5099
5100         * config/rs6000/altivec.md (xorv4sf3): New.
5101         (negv4sf2, neg<mode>2): Likewise.
5102
5103 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5104
5105         PR target/23485
5106         * config/ia64/ia64.md (divsi3): Check divide by zero.
5107         (udivsi3): Likewise.
5108         (divdi3): Likewise.
5109         (udivdi3): Likewise.
5110
5111 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5112
5113         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5114         up to elem_bitsize bits, not max_bitsize.
5115
5116 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5117
5118         PR tree-optimization/23433
5119         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5120         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5121
5122 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5123
5124         PR tree-optimization/23434
5125         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5126         the iteration bound is not an INTEGER_CST.
5127
5128 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5129
5130         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5131         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5132         NULL if need_epilog_adjust is false.
5133         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5134         Case 3 always peels first itration, not just for PLUS case, and no need
5135         to use scalar_initial_def here. Create an epilog adjustment only if
5136         scalar_initial_def is not NULL.
5137
5138         (vectorizable_reduction): Remove assert.
5139
5140 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5141
5142         PR target/23485
5143         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5144         (__moddi3): Likewise.
5145         (__udivdi3): Likewise.
5146         (__umoddi3): Likewise.
5147         (__divsi3): Likewise.
5148         (__modsi3): Likewise.
5149         (__udivsi3): Likewise.
5150         (__umodsi3): Likewise.
5151
5152 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5153
5154         * tree-pass.h (TDF_GRAPH): Define.
5155         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5156         * passes.c (finish_optimization_passes): Only call
5157         finish_graph_dump_file if TDF_GRAPH is set.
5158         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5159         NULL.  Set TDF_GRAPH bit.
5160         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5161
5162 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5163
5164         * arm.h (arm_stack_offsets): Add locals_base field.
5165         * arm.c (arm_get_frame_offsets): Compute it.
5166         (thumb_compute_initial_elimination offset): Make the Thumb frame
5167         pointer point to the base of the local variables.
5168         (thumb_expand_prologue): Update accordingly.
5169         (thumb_expand_epilogue): Likewise.
5170
5171         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5172         mode of clobbered scratch to DImode.  Handle a case that's known to
5173         need this.
5174
5175 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5176
5177         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5178         (gt0<mode>_compare): Delete.
5179         (neg_gt0<mode>): Delete.
5180
5181 2005-08-19  Eric Christopher  <echristo@apple.com>
5182
5183         * optabs.h: Change CTI_ to COI_.
5184         * optabs.c: Ditto.
5185
5186 2005-08-19  James E Wilson  <wilson@specifix.com>
5187
5188         * builtins.c (expand_builtin_return_addr): Set
5189         current_function_accesses_prior_frames when count != 0.  Use
5190         frame_pointer_rtx when count == 0.
5191         * function.h (struct function): Add accesses_prior_frames field.
5192         (current_function_accesses_prior_frames): Define.
5193         * reload1.c (init_elim_table): Check
5194         current_function_accesses_prior_frames.
5195         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5196
5197 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5198
5199         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5200         indicator.  Return true if the flowgraph changed during
5201         cleanup.
5202
5203 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5204
5205         PR 23476
5206         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5207         conditional expression before testing its value.
5208
5209 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5210
5211         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5212
5213 2005-08-19  Devang Patel  <dpatel@apple.com>
5214
5215         PR tree-optimization/23048
5216         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5217         third parameter. Check whether latch is dominated by exit
5218         block or not.
5219         (if_convertible_loop_p): Supply exit block itself to
5220         if_convertible_bb_p.
5221
5222 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5223
5224         PR target/23473
5225         * arm.md (arm_load_pic_register): Change argument to the mask of
5226         saved registers.  Call thumb_find_work_register if we need a
5227         scratch register on Thumb.
5228         (arm_expand_prologue): Pass empty register set to
5229         arm_load_pic_register.
5230         (thumb_expand_prologue): Pass live_regs_mask directly to
5231         arm_load_pic_register.
5232         * arm-protos.h (arm_load_pic_register): Update prototype.
5233
5234 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5235
5236         * sh.c (find_sole_member): New function.
5237         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5238         if the record's alignment is larger than the size of its only member.
5239
5240 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5241
5242         PR target/23436
5243         * arm.c (thumb_legitimize_reload_address): New function.
5244         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5245         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5246
5247 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5248
5249         * config/crx/crx.c: Implement crx_decompose_address. Reject
5250         symbolic displacements since CRX register relative adressing
5251         mode can't handle unsigned 32-bit values as displacements.
5252         * config/crx/crx.h: Simplify definitions, remove redundant
5253         parenthesis and obsolete macros.
5254         * config/crx/crx.opt: Add new switch for debugging addresses.
5255         * config/crx/crx-protos.h: Add new declarations for above.
5256
5257 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5258
5259         PR middle-end/20624
5260         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5261         looking past it.
5262
5263 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5264
5265         * collect2.c (dup2): Delete.
5266         * configure.ac: Don't check for dup2.
5267
5268         * config.in, configure: Regenerate.
5269
5270 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5271
5272         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5273         record with the type of its only member.
5274
5275 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5276
5277         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5278         define_insn_and_split.
5279         (plus_ltu<mode>_compare): Same.
5280         (gtu<mode>_compare): Same.
5281         (plus_gtu<mode>_compare): Same.
5282
5283 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5284
5285         PR tree-optimization/22228
5286         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5287         todo_flags_start.
5288         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5289         are recorded in vect_vnames_to_rename for renaming.
5290         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5291         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5292         in vect_vnames_to_rename.
5293         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5294         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5295
5296 2005-08-18  Jan Hubicka  <jh@suse.cz>
5297
5298         PR c++/22034
5299         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5300         info only for local statics, not for member variables.
5301
5302 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5303
5304         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5305
5306 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5307
5308         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5309
5310 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5311
5312         PR middle-end/16045
5313         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5314
5315 2005-08-17  James E Wilson  <wilson@specifix.com>
5316
5317         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5318         array size check.
5319
5320 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5321
5322         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5323         (leu<mode>_compare): Same.
5324         (plus_leu<mode>): Same.
5325         (neg_leu<mode>): Same.
5326         (and_neg_leu<mode): Same.
5327         (ltu<mode>_compare): Same.
5328         (plus_ltu<mode>): Same.
5329         (geu<mode>): Same.
5330         (geu<mode>_compare): Same.
5331         (plus_geu<mode>): Same.
5332         (neg_geu<mode>): Same.
5333         (and_neg_geu<mode>): Same.
5334         (plus_gt<mode>): Same.
5335         (gtu<mode>_compare): Same.
5336         (plus_gtu<mode>): Same.
5337
5338 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5339
5340         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5341         Move call_table_data to end.  Delete spurious .text.
5342         (callt_save_all_interrupt): Fix comment typo.
5343
5344 2005-08-17  James E Wilson  <wilson@specifix.com>
5345             Kevin Winchester  <winchester@amirix.com>
5346
5347         PR target/21684
5348         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5349
5350 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5351
5352         PR target/23268
5353         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5354         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5355
5356 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5357
5358         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5359         record with the type of its only member if the modes don't match.
5360
5361         * varasm.c (decode_reg_name): Skip empty additional register names.
5362
5363 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5364
5365         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5366         lsm_tmp_name_length): New.
5367         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5368         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5369
5370 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5371             Andreas Krebbel  <krebbel1@de.ibm.com>
5372
5373         * config.gcc: Added z9-109 switch.
5374         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5375         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5376         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5377         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5378         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5379         for "z9_109" cpu attribute.
5380         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5381         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5382         (s390_handle_arch_option): Added z9-109 switch.
5383         (override_options): Set respective cost function for z9-109.
5384         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5385         (legitimate_reload_constant_p): Accept extended immediates.
5386         (print_operand): Three new output modifiers added: k, m and o.
5387         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5388         (s390_output_mi_thunk): Use extended immediate when possible.
5389         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5390         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5391         (CONSTRAINT_LEN): Added length of O constraint.
5392         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5393         * config/s390/s390.md ("cpu"): New value z9_109 added.
5394         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5395         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5396         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5397         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5398         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5399         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5400         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5401         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5402         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5403         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5404         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5405         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5406         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5407         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5408         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5409         immediates.
5410         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5411         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5412         insns for TARGET_EXTIMM.
5413
5414 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5415
5416         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5417
5418 2005-08-17  Nick Clifton  <nickc@redhat.com>
5419
5420         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5421         Call default_encode_section_info.
5422
5423 2005-08-17  Steven Bosscher  <stevenb@suse.de>
5424
5425         PR tree-optimization/21574
5426         * tree-ssa-ccp.c (likely_value): If the right hand side is a
5427         constant, return CONSTANT.
5428         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5429         (ccp_fold, visit_assignment): Likewise.
5430         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5431
5432 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5433
5434         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5435         fold_buildN instead of buildN then fold_initializer or fold.
5436         (build_unary_op): Likewise.
5437         (build_binary_op): Likewise.
5438         * fold-const.c (fold_initializer): Remove.
5439         (fold_build1_initializer): New function.
5440         (fold_build2_initializer): New function.
5441         (fold_build3_initializer): New function.
5442         * tree.h (fold_initializer): Remove.
5443         (fold_build1_initializer): New function.
5444         (fold_build2_initializer): New function.
5445         (fold_build3_initializer): New function.
5446
5447 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5448
5449         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5450         (try_move_mult_to_index): Call fold_build2 instead of build2.
5451         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5452         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5453         fold_binary_to_constant.
5454         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5455         fold (build.
5456         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5457         check if A == gcd (A, B).  Remove TYPE argument.
5458         (analyze_offset) Use fold_build2 instead of fold (build.
5459         (create_data_ref): Likewise.
5460         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5461         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5462         then fold.
5463
5464 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
5465
5466         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5467         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5468
5469 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
5470
5471         PR tree-opt/23402
5472         * gimplify.c (zero_sized_type): New function.
5473         (gimplify_modify_expr_rhs): If we have a zero sized type,
5474         replace the statement with an empty statement.
5475
5476 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5477
5478         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5479         fxsave.
5480
5481 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5482
5483         * doc/tm.texi (Label Output): Correct typo.
5484
5485 2005-08-16  Steven Bosscher  <stevenb@suse.de>
5486
5487         PR target/23376
5488         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5489         force_operand will work later on using have_insn_for.
5490
5491 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5492
5493         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5494
5495 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5496
5497         PR c++/23337
5498         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5499         vector type, don't try to construct it element by element.  Add an
5500         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5501
5502 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5503
5504         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5505
5506 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
5507
5508         * doc/invoke.texi (Precompiled Headers): Document some more options
5509         which are known to be safe.
5510
5511 2005-08-16  James E Wilson  <wilson@specifix.com>
5512
5513         PR tree-optimization/21105
5514         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5515         TREE_OVERFLOW check.
5516
5517 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
5518
5519         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5520         (neg_ltu<mode>): Same.
5521         (gtu<mode>): Same.
5522         (neg_gtu<mode>): Same.
5523
5524 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5525
5526         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5527         (fold_builtin_isdigit): Use fold_buildN.
5528         (build_function_call_expr): Likewise.
5529         * c-typeck.c (c_finish_loop): Likewise.
5530
5531 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
5532             Richard Shann <rshann@superh.com>
5533
5534         PR middle-end/20396:
5535         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5536
5537 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
5538
5539         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5540
5541 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5542
5543         PR target/23355
5544         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5545         arm_compure_save_reg0_reg12_mask to determine when the PIC register
5546         must be saved.
5547
5548 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5549
5550         PR middle-end/23369
5551         * fold-const.c (build_range_check): Disable optimization for function
5552         pointer expressions on targets that require function pointer
5553         canonicalization.
5554
5555 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5556
5557         * simplify-rtx.c (simplify_const_relational_operation): When
5558         extracting arguments of a COMPARE, recompute the mode as well.
5559
5560 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5561
5562         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5563
5564 2005-08-15  DJ Delorie  <dj@redhat.com>
5565
5566         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5567         the stack.
5568         (movsi_splittable): Allow, but split, moves to the stack.
5569         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5570         stack.
5571
5572 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5573
5574         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5575         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5576         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5577
5578         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5579         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5580         Delete HOST_PTR_PRINTF.
5581
5582         * configure, config.in: Regenerate.
5583
5584 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
5585
5586         * config/rs6000/rs6000.md (QHSI): New mode macro.
5587         (wd): Extend mode attr for QImode and HImode
5588         (dbits): New mode attr.
5589         (zero_extend<mode>di2): Convert to mode macro.
5590
5591 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
5592
5593         PR target/21841
5594         * doc/invoke.texi (-mgnu-ld): Update description.
5595         (-mhp-ld): Ditto.
5596
5597 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5598
5599         PR 23391
5600         * Makefile.in (tree-chrec.o): Depends on real.h.
5601         * tree-chrec.c: Include real.h.
5602         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5603         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5604         * tree-scalar-evolution.c (add_to_evolution_1,
5605         interpret_rhs_modify_expr): Ditto.
5606
5607 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5608
5609         PR 23386
5610         * tree-data-ref.c (estimate_niter_from_size_of_data): When
5611         step is negative compute the estimation from init downwards to zero.
5612
5613 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
5614
5615         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5616
5617 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5618
5619         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5620         constraint.
5621         (legitimate_reload_constant_p): Fix handling of lliXX operands.
5622         Accept double-word constants that can be split.
5623         * config/s390/s390.md ("movti"): Use 'P' constraint.
5624         ("*movdi_31", "*movdf_31"): Likewise.
5625
5626 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
5627
5628         Fix PR tree-optimization/22615
5629
5630         * tree-ssa-structalias.c (solution_set_add): Handle
5631         first_vi_for_offset returning NULL.
5632         (do_da_constraint): Ditto.
5633         (do_sd_constraint): Ditto.
5634         (do_ds_constraint): Ditto
5635         (find_func_aliases): Ditto.
5636         (build_constraint_graph): RHS is allowed be ANYTHING.
5637         (first_vi_for_offset): Return NULL if we couldn't find anything at
5638         the offset.
5639
5640 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5641
5642         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5643         over memory as first operand.
5644
5645 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
5646
5647         PR target/23360
5648         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5649         available for setting it.
5650
5651 2005-08-14  Ira Rosen  <irar@il.ibm.com>
5652
5653         PR tree-optimization/23320
5654         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5655         data-refs' types instead of base object nullness. Add check for
5656         pointer type data-refs before first location comparison. Remove
5657         assert.
5658
5659 2005-08-14  Andreas Schwab  <schwab@suse.de>
5660
5661         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5662
5663 2005-08-13  James E Wilson  <wilson@specifix.com>
5664
5665         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5666         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5667         -fstack-protector-all, --param ssp-buffer-size): Document.
5668         (-Wvariadic-macros): Alphabetize.
5669         (-fsched-stalled-insns-dep): Add missing 'f'.
5670
5671         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5672         macros.
5673
5674 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
5675
5676         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5677         or indirect address operand.
5678         (EXTRA_ADDRESS_CONSTRAINT): New.
5679         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5680
5681 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
5682
5683         PR tree-optimization/22236
5684         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5685         successors and predecessors.
5686         * tree-chrec.c (chrec_convert): Before converting, check that
5687         sequences don't wrap.
5688         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5689         (analyze_array): Extern.
5690         (find_data_references_in_loop): Remove call to
5691         compute_estimated_nb_iterations.
5692         * tree-data-ref.h (analyze_array): Declared.
5693         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5694         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5695         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5696         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5697         condition.
5698         * tree-ssa-loop-ivcanon.c: Fix documentation.
5699         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5700         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5701         (infer_loop_bounds_from_undefined): New.
5702         (estimate_numbers_of_iterations_loop): Use
5703         infer_loop_bounds_from_undefined.
5704         (used_in_pointer_arithmetic_p): New.
5705         (scev_probably_wraps_p): Pass an extra parameter.  Call
5706         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
5707         (convert_step): Fix documentation.
5708         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5709         Use initial_condition_in_loop_num and evolution_part_in_loop_num
5710         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
5711         scev_probably_wraps_p.
5712
5713 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
5714
5715         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5716         (s390_register_info): Ignore clobbered_regs information for fixed
5717         registers, and only fixed registers.
5718         (s390_init_frame_layout): Remove redundant call.
5719
5720 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
5721
5722         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5723         description of -Wold-style-casts.
5724
5725 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5726             Jakub Jelinek  <jakub@redhat.com>
5727
5728         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5729         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5730         * config/s390/s390.c (print_operand): New output modifier 'G' added.
5731         (get_thread_pointer): Renamed to s390_get_thread_pointer.
5732         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5733         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5734         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5735         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5736         ("stack_protect_set", "stack_protect_test"): New expanders.
5737         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5738         "stack_protect_testdi"): New insn definitions.
5739
5740 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5741
5742         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5743
5744 2005-08-12  Paul Brook  <paul@codesourcery.com>
5745
5746         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5747
5748 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5749
5750         * config/s390/predicates.md (setmem_operand): New predicate.
5751         (shift_count_operand): Accept ANDs with special constants as
5752         operand.
5753         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5754         with special constants.
5755         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5756         shift_count_operand with setmem_operand.
5757
5758 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5759
5760         * config/s390/s390.c (s390_extract_part, s390_single_part):
5761         Type cast added.
5762         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5763         (s390_output_mi_thunk): Don't use lg on 31 bit.
5764         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5765         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5766
5767 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5768
5769         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5770         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5771         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5772         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5773         with one of the new macros.
5774
5775 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5776
5777         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5778         Don't set save_return_addr_p.
5779         (s390_register_info): Make clobbered_regs not depending on
5780         save_return_addr_p.
5781
5782 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5783
5784         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5785         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5786
5787 2005-08-11  James E. Wilson  <wilson@specifix.com>
5788
5789         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5790
5791 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
5792
5793         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5794         locations gathered by var-tracking in single entry loc_list
5795         over loc_descriptor_from_tree.
5796
5797         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5798         pass it down to loc_descriptor.
5799         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5800         (containing_function_has_frame_base): Move earlier in the file.
5801         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5802         instead of always assuming fbreg can't be used.
5803
5804 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
5805
5806         * config/rs6000/altivec.md: Change constraint "m" to "Z".
5807         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5808         Accept address wrapped in AND for Altivec.
5809         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5810         Strip AND wrapping offset address for Altivec.
5811
5812 2005-08-11  Richard Henderson  <rth@redhat.com>
5813
5814         PR middle-end/23312
5815         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5816         before using TYPE_IS_SIZETYPE.
5817
5818 2005-08-11  Richard Henderson  <rth@redhat.com>
5819
5820         PR target/22225
5821         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5822         insn types not present on ev4.
5823         (alphaev5_insn_pipe): Similarly.
5824
5825 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5826
5827         PR target/23250
5828         * arm.c (arm_override_options): If the user has selected callee-super-
5829         interworking, then enable normal interworking.
5830
5831 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5832
5833         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5834         redefinition.
5835
5836 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
5837
5838         * doc/rtl.texi: Fix two typos.
5839
5840 2005-08-11  Richard Guenther  <rguenther@suse.de>
5841
5842         PR target/23289
5843         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5844         cases where we call to/from functions returning void.
5845
5846 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
5847
5848         PR c++/23225
5849         * tree.c (build_pointer_type_for_mode): Robustify.
5850
5851 2005-08-10  James E Wilson  <wilson@specifix.com>
5852
5853         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5854         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5855
5856         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5857         "cum->".
5858
5859 2005-08-10  Eric Christopher  <echristo@apple.com>
5860
5861         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5862         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5863         V2DFmode.
5864
5865 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
5866
5867         PR target/21887
5868         * config/darwin.c (machopic_indirect_data_reference): Use a new register
5869         for the high part when generating dynamic-no-pic code.
5870
5871 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5872
5873         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5874         (x86_64-*-linux*): Likewise.
5875
5876         * config/i386/crtfastmath.c: New file.
5877         * config/i386/t-crtfm: Likewise.
5878
5879         * config/i386/linux.h (ENDFILE_SPEC): New.
5880         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5881
5882         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5883         crtfastmath.o.
5884
5885 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
5886
5887         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5888         (vec_shl, vec_shr): Document new operations.
5889         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5890
5891 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
5892
5893         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5894         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5895         change predicate to indexed_or_indirect_address.
5896
5897 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
5898
5899         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5900         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5901         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5902         and __aeabi_uwrite8.
5903         * config/arm/unaligned-funcs.c: New file.
5904         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5905
5906 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
5907
5908         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5909         Add dump.
5910         * cfglayout.c (pass_insn_locators_initialize): Add dump.
5911         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5912         Add dump.
5913         * except.c (pass_convert_to_eh_region_ranges): Add dump.
5914         * final.c (pass_shorten_branches): Add dump.
5915         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5916         (pass_life): Rename dump.
5917         (rest_of_handle_flow2): Remove initial verify_flow_info.
5918         * function.c (pass_instantiate_virtual_regs): Add dump.
5919         * integrate.c (pass_initial_value_sets): Add dump.
5920         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5921         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5922         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5923         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5924         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5925         gate_rtl_unrool_and_peel_loops): New.
5926         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5927         rtl_doloop): Do not look at flags.
5928         * mode-switching.c (pass_mode_switching): Add dump.
5929         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5930         pass_split_before_regstack): Add dump.
5931         * regmove.c (pass_stack_adjustments): Add dump.
5932         * tree-optimize.c (pass_fixup_cfg): Add dump.
5933
5934 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5935
5936         PR 23309
5937         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5938         deciding which instruction sequence to use.
5939
5940 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
5941
5942         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5943         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5944
5945 2005-08-09  Richard Guenther  <rguenther@suse.de>
5946
5947         * c-common.c (builtin_function_2): Remove.
5948         (def_builtin_1): New function.
5949         (c_common_nodes_and_builtins): Use def_builtin_1 to
5950         build builtin functions.
5951
5952 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
5953
5954         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5955         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5956         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5957         Visual DSP.
5958
5959 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5960
5961         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5962         fold_binary instead of fold_build2 since we don't care about the
5963         resulting tree.
5964         (loop_niter_by_eval): Likewise.
5965         (compare_trees): Likewise.
5966         (proved_non_wrapping_p): Likewise.
5967
5968 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5969
5970         PR c/23161
5971         PR c/23165
5972         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5973         if the if is really empty.
5974
5975 2005-08-09  Steven Bosscher  <stevenb@suse.de>
5976
5977         PR tree-optimization/23234
5978         * tree-ssa-math-opts.c (place_reciprocal): New enum.
5979         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5980         argument of the new enum.
5981         (execute_cse_reciprocals): Add reciprocals for function arguments
5982         on the unique successor edge of the entry block.  Update other calls
5983         to execute_cse_reciprocals_1.
5984
5985 2005-08-08  Richard Henderson  <rth@redhat.com>
5986
5987         PR 22439
5988         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5989
5990 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
5991
5992         * expr.c (write_complex_part): Return after handling MEM.
5993
5994 2005-08-08  Josh Conner  <jconner@apple.com>
5995
5996         PR rtl-optimization/23241
5997         * combine.c (simplify_comparison): Fix error in determining
5998         whether to lift a subreg from comparison.
5999
6000 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
6001
6002         PR target/18506
6003         * config/rs6000/altivec.md (vec_init<mode>): New.
6004         (vec_set<mode>): New.
6005         (vec_extract<mode>): New.
6006         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6007         (rs6000_expand_vector_set): New.
6008         (rs6000_expand_vector_extract): New.
6009         (rs6000_legitimate_offset_address_p): Offset addresses are valid
6010         for Altivec modes before reload.
6011         (altivec_expand_vec_init_builtin): New.
6012         (get_element_number): New.
6013         (altivec_expand_vec_set_builtin): New.
6014         (altivec_expand_vec_ext_builtin): New.
6015         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6016         builtins.
6017         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6018         builtins.
6019         * config/rs6000/rs6000.h (rs6000_builtins): Add
6020         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6021         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6022         * config/rs6000/rs6000-protos.h: Declare new functions.
6023
6024 2005-08-08  Jan Hubicka  <jh@suse.cz>
6025
6026         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6027         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6028         * i386.md (movdi*): Use pic_32bit_operand.
6029         * predicates.md (pic_32bit_operand): New.
6030
6031 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6032
6033         PR c++/21166
6034         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6035
6036 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6037
6038         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6039         (test_for_singularity): Use fold_build2.
6040
6041 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6042
6043         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6044
6045 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6046
6047         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6048         (COMMON_ASM_OP) Define.
6049         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6050         (ix86_encode_section_info): Likewise.
6051         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6052         SUBTARGET_ENCODE_SECTION_INFO.
6053
6054 2005-08-06  Richard Henderson  <rth@redhat.com>
6055
6056         PR 21894
6057         * tree-nested.c (convert_local_reference): Save and restore val_only
6058         around component_ref and friends.  Clear walk_subtrees by default.
6059
6060 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6061
6062         PR 21366
6063         * gcc.c (process_command): Check the argument to -b has a dash.
6064         * doc/invoke.texi: Update -b and -V docs.
6065
6066 2005-08-06  James E Wilson  <wilson@specifix.com>
6067
6068         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6069
6070 2005-08-06  Michael Matz  <matz@suse.de>
6071
6072         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6073         member only if only one insn is associated with the value.
6074
6075 2005-08-06  Nick Clifton  <nickc@redhat.com>
6076
6077         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6078         New define.
6079         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6080         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6081         Check symbol flags instead of symbol name mangling.
6082         (xstormy16_asm_output_aligned_common): Likewise.  Also
6083         simplify code since the bss100_section cass is the only case
6084         where the below100 code will be triggered.
6085         (xstormy16_encode_section_info): Encode below100 attribute
6086         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6087         the name.
6088         (xstormy16_strip_name_encoding): Delete - this function is no
6089         longer needed.
6090         (TARGET_STRIP_NAME_ENCODING): Undefine.
6091         * config/stormy16/stormy16-protos.h: Delete prototype for
6092         xstormy16_strip_name_encoding.
6093
6094 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6095
6096         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6097         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6098         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6099         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6100         config/alpha/predicates.md, config/arc/arc.h,
6101         config/arm/arm.h, config/arm/ieee754-df.S,
6102         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6103         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6104         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6105         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6106         config/m68hc11/m68hc11.h, config/mips/mips.c,
6107         config/mips/mips.h, config/mips/openbsd.h,
6108         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6109         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6110         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6111         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6112         config/sparc/linux.h, config/sparc/linux64.h,
6113         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6114         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6115         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6116         typos.  Follow spelling conventions.
6117
6118 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6119
6120         PR c/23113
6121         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6122         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6123         specially.  Check for side effects only for COND_EXPR.
6124         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6125         return with TREE_NO_WARNING.
6126
6127 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6128
6129         PR rtl-optimization/23233
6130         * loop.c (combine_movables): Require the modes to be the same.
6131         (move_movables): Remove handling of cases where the replacement
6132         had a different mode to the original.
6133
6134 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6135
6136         PR tree-optimization/23128
6137         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6138         subtraction wrap, and set TREE_OVERFLOW if they do.
6139
6140 2005-08-05  Richard Henderson  <rth@redhat.com>
6141
6142         PR 21728
6143         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6144         FORCED_LABEL labels.
6145
6146 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6147
6148         PR middle-end/23135
6149         * reload.c (find_reloads_subreg_address): Pass down TYPE
6150         unchanged.  Change all callers except find_reloads_toplev.
6151
6152 2005-08-05  Michael Matz  <matz@suse.de>
6153
6154         * genattrtab.c (current_alternative_string): Remove.
6155         (SIMPLIFY_ALTERNATIVE): Ditto.
6156         (attr_alt_bit_p): Ditto.
6157         (alternative_name): Make const char *.
6158         (evaluate_eq_attr): Remove use of above things.
6159         (simplify_test_exp): Ditto.
6160         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6161         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6162
6163 2005-08-04  James E Wilson  <wilson@specifix.com>
6164
6165         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6166         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6167         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6168         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6169         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6170
6171 2005-08-04  Richard Henderson  <rth@redhat.com>
6172
6173         PR 21529
6174         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6175         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6176         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6177         if we'd have to instantiate too many members.
6178
6179 2005-08-04  Richard Henderson  <rth@redhat.com>
6180
6181         PR 21291
6182         * tree-outof-ssa.c (coalesce_asm_operands): New.
6183         (coalesce_ssa_name): Use it.  Split out ...
6184         (coalesce_phi_operands, coalesce_result_decls): ... these.
6185
6186 2005-08-04  Paul Brook  <paul@codesourcery.com>
6187
6188         * read-rtl.c (read_quoted_string): Break if EOF.
6189
6190 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6191
6192         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6193         (fold_build2): Likewise.
6194         (fold_build3): Likewise.
6195         (fold_build1_stat): New function prototype.
6196         (fold_build2_stat): Likewise.
6197         (fold_build3_stat): Likewise.
6198         * fold-const.c (fold_build1): Rename to ..
6199         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6200         through to build1_stat.
6201         (fold_build2): Rename to ..
6202         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6203         through to build2_stat.
6204         (fold_build3): Rename to ..
6205         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6206         through to build3_stat.
6207
6208 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6209             Ian Lance Taylor  <ian@airs.com>
6210
6211         * function.c (assign_stack_local_1): Do not correct stack slot
6212         address if allocation size is smaller than mode size.
6213
6214 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6215
6216         PR 22037
6217         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6218         (tree_merge_blocks): Propagate anything allowed by
6219         may_propagate_copy.
6220         Clarify documentation.
6221         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6222         SSA form, schedule an update if necessary.
6223
6224 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6225
6226         * doc/install.texi (Binaries): Remove broken link to
6227         Sinix/Reliant Unix binaries.
6228
6229 2005-08-03  Richard Henderson  <rth@redhat.com>
6230
6231         PR 23221
6232         * function.c (stack_protect_epilogue): Export.
6233         * tree.h (stack_protect_epilogue): Declare.
6234         * calls.c (expand_call): Call it.
6235
6236 2005-08-03  Eric Christopher  <echristo@apple.com>
6237
6238         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6239         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6240         spec.
6241
6242 2005-08-04  Jan Hubicka  <jh@suse.cz>
6243
6244         * profile.c (branch_prob): Split edges with goto locus on them
6245         to get proper line counts.
6246         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6247
6248 2005-08-03  Paul Brook  <paul@codesourcery.com>
6249
6250         * function.c (assign_parms): Round current_function_args_size
6251         to PARM_BOUNDARY, not STACK_BOUNDARY.
6252
6253 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6254
6255         * config/i386/i386.c (x86_elf_aligned_common)
6256         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6257
6258 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6259
6260         PR tree-optimization/23157
6261         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6262         before emitting them.
6263
6264 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6265
6266         PR tree-optimization/19899
6267         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6268         * tree-scalar-evolution.c: Include real.h.
6269         (add_to_evolution): Build constant -1 of correct type.
6270
6271 2005-08-03  Jan Hubicka  <jh@suse.cz>
6272
6273         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6274         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6275         profile updating for complette unrolling.
6276         * loop-unroll.c (peel_loop_completely): Use it.
6277         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6278         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6279         loops.
6280
6281 2005-08-03  Paul Brook  <paul@codesourcery.com>
6282
6283         * combine.c (can_change_dest_mode): New function.
6284         (try_combine, simplify_set): Use it.
6285
6286 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6287
6288         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6289         TFmode to BLKmode.
6290
6291 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6292
6293         * doc/install.texi (Specific): Adjust link to openavr.org.
6294         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6295         (Binaries): Adjust HP-UX Porting Center link.
6296         (Binaries): Adjust Free Software Foundation ordering link.
6297
6298 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6299
6300         * convert.c (convert_to_integer): Use fold_build1 instead of
6301         build1 when converting an integer to an integer.
6302
6303 2005-08-02  Richard Henderson  <rth@redhat.com>
6304
6305         * combine.c (combine_instructions): Don't use reg_equal/equiv
6306         results if the mode doesn't match.
6307
6308 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6309
6310         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6311         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6312
6313 2005-08-02  Richard Henderson  <rth@redhat.com>
6314
6315         PR 23196
6316         * explow.c (memory_address): Remove special-case for
6317         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6318
6319 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6320
6321         PR 23164
6322         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6323         number of calls to cleanup_tree_cfg_1.
6324
6325 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6326
6327         * doc/invoke.texi: document file extensions .F90 and .F95
6328
6329 2005-08-02  Richard Guenther  <rguenther@suse.de>
6330
6331         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6332         positive if its first argument is positive.
6333
6334 2005-08-02  Richard Guenther  <rguenther@suse.de>
6335
6336         PR tree-optimization/23177
6337         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6338         on TMR_TAG.
6339
6340 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6341
6342         PR tree-optimization/23129
6343         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6344         varying for divisions with anti-ranges.
6345
6346 2005-08-02  Jan Hubicka  <jh@suse.cz>
6347
6348         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6349         * tree-ssa-threadupdate.c (thread_block): Add it here.
6350
6351 2005-08-01  James E Wilson  <wilson@specifix.com>
6352
6353         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6354         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6355         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6356         New.
6357         * config/mips/predicates.md (const_call_insn_operand): Add check for
6358         SYMBOL_REF_LONG_CALL_P.
6359         * doc/extend.texi (long_call): Document the new attribute.
6360
6361 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6362             Richard Henderson  <rth@redhat.com>
6363
6364         * Makefile.in (RTL_BASE_H): Add real.h.
6365         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6366         instead of memcpy.
6367         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6368         directly.
6369         * rtl.c (rtl_check_failed_code_mode): New.
6370         * rtl.h (struct rtx_def): Add u.rv.
6371         (XCMWINT, XCNMPRV): New.
6372         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6373         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6374
6375 2005-08-01  Richard Henderson  <rth@redhat.com>
6376
6377         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6378         with auto-inc codes.
6379
6380         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6381
6382 2005-08-01  Jan Hubicka  <jh@suse.cz>
6383
6384         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6385         * i386.c: Include dwarf2.h
6386         (asm_preferred_eh_data_format): New.
6387         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6388
6389 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6390
6391         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6392         randomize_va_space for virtual address randomization control.
6393
6394 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6395
6396         * common.opt (flag_ipa_cp): Put in right place to maintain
6397         alphabetic sort.
6398
6399 2005-08-01  Jan Hubicka  <jh@suse.cz>
6400
6401         * profile.c (compute_value_histograms): Fix thinko.
6402         * value-prof.c: Include toplev.h
6403         (check_counter): New function.
6404         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6405         tree_mod_subtract_transform): Add sanity check.
6406
6407 2005-08-01  Richard Guenther  <rguenther@suse.de>
6408
6409         PR tree-optimization/23133
6410         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6411         current functions parameter decls to find defs to cse
6412         reciprocals of.
6413
6414 2005-08-01  Richard Guenther  <rguenther@suse.de>
6415
6416         PR tree-optimization/23109
6417         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6418         If trapping math is in effect, use post-dominator information
6419         to check if we'd in any case reach a trapping point before
6420         doing the reciprocal insertion.
6421         (execute_cse_reciprocals): Compute post-dominators, if necessary.
6422         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6423         expressions are invariant only if trapping math is not in effect.
6424
6425 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6426
6427         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6428         cgraph_function_versioning): New declarations.
6429         * cgraphunit.c: Add include to ipa-prop.h.
6430         (update_call_expr, cgraph_copy_node_for_versioning,
6431         cgraph_function_versioning): New functions.
6432         * integrate.c (copy_decl_for_inlining): Remove.
6433         * ipa-prop.h (ipa_replace_map): New struct.
6434         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6435         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6436         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6437         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6438         ipcp_iterate_stage, ipcp_method_scale_print,
6439         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6440         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6441         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6442         ipcp_update_bb_counts, ipcp_update_profiling,
6443         ipcp_update_edges_counts): New functions.
6444         (ipcp_method_cval_init): Remove restriction regarding local methods.
6445         (ipcp_init_stage): Add ipcp_method_compute_scale.
6446         (ipcp_insert_stage): Add versioning.
6447         (ipcp_structures_print): Add ipcp_method_scale_print.
6448         (ipcp_driver): Dump profiling info.
6449         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6450         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6451         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6452         (struct inline_data): Add versioning_p, ipa_info, new fields.
6453         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6454         declare_return_variable): Replace calls to copy_decl_for_inlining with
6455         copy_decl_for_dup.
6456         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6457         versioning support.
6458         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6459         Add argument VERSIONING.
6460         (copy_arguments_for_versioning, copy_static_chain,
6461         function_versionable_p, tree_versionable_function_p,
6462         tree_function_versioning, replace_ref_tree): New functions.
6463         * tree-inline.h: Include varray.h.
6464         (tree_versionable_function_p,  tree_function_versioning,
6465         tree copy_decl_for_dup): New declarations.
6466
6467 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6468
6469         * ipa-cp.c: New file. Contains IPCP specific functionality.
6470         * ipa-prop.h: New file. Contains structures/definitions that can be
6471         used by several interprocedural data flow optimizations (and also IPCP).
6472         * ipa-prop.c: New file.
6473         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6474         * common.opt: Add ipa-cp flag.
6475         * timevar.def: Add IPCP optimization.
6476         * tree-optimize.c (init_tree_optimization_passes): Schedule
6477         pass_ipa_cp.
6478         * tree-pass.h (pass_ipa_cp): Declare.
6479
6480 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
6481
6482         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6483         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6484         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6485         config/i386/i386.c, config/mips/mips.h,
6486         config/rs6000/rs6000.h, config/sh/sh.c,
6487         config/stormy16/stormy16.c: Fix comment typos.
6488
6489 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
6490
6491         PR c/22311
6492         * c-typeck.c (build_binary_op): Use common_type wrapper on
6493         shortened types.
6494         (common_type): Update comment.
6495
6496 2005-07-31  Steven Bosscher  <stevenb@suse.de>
6497
6498         PR target/23095
6499         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6500         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6501         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6502
6503 2005-07-31  Jan Hubicka  <jh@suse.cz>
6504
6505         * pretty-print.h (pp_widest_integer): New macro.
6506         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6507         counts.
6508
6509 2005-07-31  Jan Hubicka  <jh@suse.cz>
6510
6511         * output.h (enum section_category): Export from varasm.c
6512         (categorize_decl_for_section): Likewise.
6513         * varasm.c (enum section_category): Kill.
6514         (categorize_decl_for_section): Make global.
6515         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6516         Declare.
6517         * i386.c (ix86_section_threshold): New static variable.
6518         (ix86_in_large_data_p, ix86_encode_section_info,
6519         x86_64_elf_unique_section,
6520         x86_64_elf_select_section): New functions.
6521         (TARGET_ENCODE_SECTION_INFO): Define
6522         (override_options): Enable medium model for PIC.
6523         (ix86_expand_prologue): Expand gen_set_got_rex64.
6524         (legitimate_constant_p): Handle new UNSPECs.
6525         (legitimate_pic_address_disp_p): Likewise.
6526         (legitimize_pic_address): Lower MEDIUM model addressing.
6527         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6528         (enum cmodel): Add MEDIUM_PIC.
6529         (SYMBOL_REF_FAR_ADDR_P): New macro.
6530         (SYMBOL_FLAG_FAR_ADDR): New flag.
6531         * i386.md (movdi): Support medium model.
6532         (set_got_rex64): New pattern.
6533         * i386.opt (mlarge-data-threshold): New flag.
6534         * predicates.md (zext_operand/sext_operand): Deal with medium model.
6535         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6536         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6537         TARGET_ASM_UNIQUE_SECTION): New.
6538
6539         * invoke.texi (-mlarge_data_threshold): Document
6540
6541 2005-07-31  Jan Hubicka  <jh@suse.cz>
6542
6543         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6544         (coalesce_vars): Likewise.
6545         * tree-ssa-live.c (coalesce_cost): New.
6546         (build_tree_conflict_graph): Use coalesce_cost.
6547         * tree-ssa-live.h (coalesce_cost): Declare.
6548
6549 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6550
6551         * arm.md (all peepholes for post-increment operations): Delete.
6552         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6553         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6554         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6555         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6556         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6557
6558 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6559
6560         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6561         non-integral types.
6562
6563 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6564
6565         PR target/22582
6566         * doc/invoke.texi: Document -rdynamic.
6567
6568 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
6569
6570         PR c/23143
6571         * c-parser.c (c_parser_parms_list_declarator): Call
6572         mark_forward_parm_decls.
6573         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6574         decls with visibility structure.
6575
6576 2005-07-30  Paul Brook  <paul@codesourcery.com>
6577
6578         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6579
6580 2005-07-30  Paul Brook  <paul@codesourcery.com>
6581
6582         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6583         prototype.
6584         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6585         value for mode.
6586         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6587
6588 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6589
6590         PR c/529
6591         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6592         nested function declarators.
6593         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6594         (grokparms): Call warn_if_shadowing for parameters used within the
6595         parameter list.
6596         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6597         not used within the parameter list.
6598         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6599
6600 2005-07-30  Jan Hubicka  <jh@suse.cz>
6601
6602         * expr.c (expand_expr_real_1): Do not load mem targets into register.
6603         * i386.c (ix86_fixup_binary_operands): Likewise.
6604         (ix86_expand_unary_operator): Likewise.
6605         (ix86_expand_fp_absneg_operator): Likewise.
6606         * optabs.c (expand_vec_cond_expr): Validate dest.
6607
6608 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6609
6610         PR c/21720
6611         * real.c (real_from_string): Also set last bit if there is a
6612         nonzero hex digit beyond GCC's internal precision after ".".
6613
6614 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
6615
6616         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6617         define_constants.  Change duplicate values to unassigned numbers.
6618         Change UNSPEC_SUBS to UNSPEC_VSUBS.
6619         (*altivec_vspltsf): New.
6620         (altivec_vperm_v4sf): Delete.
6621         (altivec_vperm_<mode>): Use mode macro V.
6622         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6623         (altivec_predicate_v4sf): Delete.
6624         (altivec_predicate_<mode>): Use mode macro V.
6625         (*altivec_lvesfx): New.
6626         (*altivec_stvesfx): New.
6627         (vec_realign_load_v4sf): Delete.
6628         (vec_realign_load_<mode>): Use mode macro V.
6629         * config/rs6000/rs6000.c (generate_set_vrsave): Use
6630         UNSPECV_SET_VRSAVE.
6631
6632 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
6633
6634         PR bootstrap/23131
6635         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6636         string.
6637         * configure: Regenerated.
6638
6639 2005-07-29  Paul Brook  <paul@codesourcery.com>
6640
6641         * doc/install.texi: Add link to GFortran binaries wiki page.
6642
6643 2005-07-29  David Ung  <davidu@mips.com>
6644
6645         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6646         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6647         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6648         * config/mips/mips.md (cpu): Add 5kf name.
6649         (includes): Includes 5k.md.
6650         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6651         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6652         -march flag.
6653
6654 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6655
6656         PR 22550
6657         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6658         (cleanup_tree_cfg): ... here.
6659         Call cleanup_tree_cfg_1 until there are no more cleanups to
6660         do.
6661
6662 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
6663
6664         * tree-vrp.c (compare_range_with_value): Return true or false
6665         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6666         EQ_EXPR respectively.
6667
6668 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
6669
6670         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6671         Fix comment typos.
6672
6673 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6674
6675         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6676         (tree_ssa_dominator_optimize): Increment it.
6677         (dump_dominator_optimization_stats): Print it.
6678
6679 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
6680             Steven Bosscher  <stevenb@suse.de>
6681
6682         PR rtl-optimization/23117
6683         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6684         when head == tail.  Tidy comment.
6685
6686 2005-07-28  Richard Henderson  <rth@redhat.com>
6687
6688         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6689         * cselib.c (rtx_equal_for_cselib_p): Likewise.
6690         * jump.c (rtx_renumbered_equal_p): Likewise.
6691         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6692         CONST_INT and CONST_DOUBLE.
6693         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6694         * reload.c (operands_match_p): Special case CONST_INT and
6695         CONST_DOUBLE; check mode earlier.
6696
6697 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6698
6699         PR c/22240
6700         * c-typeck.c (convert_for_assignment): Do not check
6701         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6702
6703 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6704
6705         PR c/22192
6706         * c-typeck.c (composite_type): Prefer constant size arrays to
6707         VLAs.
6708
6709 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6710
6711         PR c/21720
6712         * real.c (real_from_string): Set last bit if there is a nonzero
6713         hex digit beyond GCC's internal precision.
6714
6715 2005-07-28  Richard Henderson  <rth@redhat.com>
6716
6717         PR rtl-opt/22619
6718         * cfgcleanup.c (try_forward_edges): Watch out for end of
6719         insn chain.
6720
6721 2005-07-28  James E Wilson  <wilson@specifixinc.com>
6722
6723         PR c/23106
6724         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6725
6726 2005-07-28  Jan Hubicka  <jh@suse.cz>
6727
6728         * Makefile.in (rtl-profile.o): Kill all traces of it.
6729         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6730         * coverage.h (rtl_coverage_counter_ref): Kill.
6731         * opts.c (flag_speculative_prefetching_set): Kill.
6732         (flag_loop_optimize_set): New.
6733         (common_handle_option): Disable loop optimizer when profiling;
6734         do not handle speculative prefetching.
6735         * passes.c (init_optimization_passes): Replace pass_profiling combo
6736         by branch_prob pass.
6737         * profile.c (compute_value_histograms): Update for simplified value
6738         profiles.
6739         (rtl_register_profile_hooks): Kill.
6740         (pass_profiling): Kill.
6741         (rest_of_handle_branch_prob): Do not profile.
6742         * toplev.c (process_options): Remove speculative prefetching.
6743         * toplev.h (flag_tree_based_profiling): Kill.
6744         * tree-profile.c (prepare_instrumented_value,
6745         tree_gen_interval_profiler, tree_gen_pow2_profiler,
6746         tree_gen_one_value_profiler, do_tree_profiling): Update for
6747         simplified datastructures.
6748         * value-prof.c: Add comment that speculative prefetching was dropped;
6749         update rest of file for simplified datastructures.
6750         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6751         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6752         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6753         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6754         rtl_mod_subtract, gen_speculative_prefetch,
6755         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6756         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6757         (gate_handle_value_profile_transformations,
6758         rest_of_handle_value_profile_transformations,
6759         pass_value_profile_transformations): Kill.
6760         * value-prof.h (histogram_value_t): Remove IL based unions.
6761         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6762         rtl_profile_hooks): Remove hooks.
6763
6764         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6765
6766         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6767         (cgraph_clone_node): Likewise.
6768         * cgraph.h (cgraph_clone_edge): Update prototype.
6769         (cgraph_clone_node): Likewise.
6770         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6771         cgraph_clone_node.
6772         (lookup_recursive_calls): Consider profile.
6773         (cgraph_decide_recursive_inlining): Fix updating; use new
6774         probability argument; use profile.
6775         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6776         * tree-inline.c (copy_bb): Update clal of clone_edge.
6777         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6778
6779         * invoke.texi (min-inline-recursive-probability): Document.
6780
6781 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
6782
6783         * doc/install.texi (Configuration): Update Valgrind homepage.
6784
6785 2005-07-28  Richard Henderson  <rth@redhat.com>
6786
6787         PR middle-end/21362
6788         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6789         labels we want to delete.
6790         (cfg_layout_merge_blocks): Likewise.
6791
6792 2005-07-28  Richard Henderson  <rth@redhat.com>
6793
6794         PR target/17692
6795         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6796         when expanding to nothing.
6797
6798 2005-07-28  Josh Conner  <jconner@apple.com>
6799
6800         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6801         (cgraph_decide_inlining_of_small_functions): Likewise.
6802
6803 2005-07-28  Josh Conner  <jconner@apple.com>
6804
6805         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
6806         direction of badness if negative.
6807         (cgraph_default_inline_p): Add reason to parameters, and assign it
6808         a value.
6809         (cgraph_decide_inlining_of_small_functions): New parameter in call
6810         to cgraph_default_inline_p.
6811         (cgraph_decide_inlining_incrementally): Likewise.
6812         * cgraphunit.c (decide_is_function_needed): Likewise.
6813         * cgraph.h (cgraph_default_inline_p): Likewise.
6814
6815 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6816
6817         * builtins.c: Fix comment typo(s).
6818         * genautomata.c: Likewise.
6819         * gimplify.c: Likewise.
6820         * tree-dfa.c: Likewise.
6821         * tree-flow-inline.h: Likewise.
6822         * tree-into-ssa.c: Likewise.
6823         * tree-ssa-alias.c: Likewise.
6824         * tree-ssa-ccp.c: Likewise.
6825         * tree-ssa-copy.c: Likewise.
6826         * tree-ssa-dce.c: Likewise.
6827         * tree-ssa-dom.c: Likewise.
6828         * tree-ssa-operands.c: Likewise.
6829         * tree-tailcall.c: Likewise.
6830         * tree-vectorizer.c: Likewise.
6831         * tree-vrp.c: Likewise.
6832         * tree.c: Likewise.
6833
6834 2005-07-28  Jeff Law  <law@redhat.com>
6835
6836         * tree-vrp.c (test_for_singularity): Extracted from  ...
6837         (simplify_cond_using_ranges): Attempt to simplify a relational
6838         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
6839
6840 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
6841
6842         PR tree-optimization/22506
6843         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6844         phis whose argument is constant.
6845
6846 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
6847
6848         PR rtl-optimization/18992
6849         Back out this patch:
6850           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6851           PR optimization/12142
6852           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6853           uses of the register in the SET_SRC.  Remove unnecessary argument.
6854
6855         Replace it with this:
6856         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6857         if flag_non_call_exceptions is set and the insn may trap, pass
6858         pc_rtx as dest for recursion.
6859         In SET_SRC part of SET case, if dest is already set, pass it down
6860         unchanged.
6861
6862 2005-07-28  Jan Hubicka  <jh@suse.cz>
6863
6864         * cfg.c (update_bb_profile_for_threading): Use RDIV.
6865         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6866         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6867         roundoff errors.
6868         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6869         profile when available.
6870
6871 2005-07-28  Jan Beulich <jbeulich@novell.com>
6872
6873         * config/ia64/ia64.c (ia64_load_pair_ok): New.
6874         (ia64_print_operand): Describe and handle 'X'.
6875         (ia64_register_move_cost): Also handle FP_REGS.
6876         (ia64_preferred_reload_class): Likewise.
6877         (ia64_secondary_reload_class): Likewise.
6878         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6879         it. Also check for ITANIUM_CLASS_FLDP.
6880         * config/ia64/ia64.h (FP_REGNO_P): New.
6881         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6882         (reg_class): Add FP_REGS.
6883         (REG_CLASS_NAMES): Adjust for it.
6884         (REG_CLASS_CONTENTS): Likewise.
6885         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6886         (REG_CLASS_FROM_LETTER): Handle 'x'.
6887         (CLASS_MAX_NREGS): Handle FP_REGS.
6888         (MEMORY_MOVE_COST): Likewise.
6889         * config/ia64/ia64.md (itanium_class): Add fldp.
6890         (type): Handle fldp.
6891         (movti_internal): More allowable operand combinations. Use ldfp8 when
6892         splitting unnecessary. Remove predicable attribute. Adjust
6893         itanium_class attribute.
6894         (smuldi3_highpart): Remove outdated comment.
6895         (mulditi3, umulditi3, rotlti3): New expanders.
6896         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6897         (absti2): Disabled new insn for future reference.
6898         Respective new splitters.
6899         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6900         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6901         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6902
6903 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
6904
6905         PR rtl-optimization/23047
6906         * simplify-rtx.c (simplify_const_relational_operation): Respect
6907         flag_wrapv for comparisons with ABS.
6908
6909 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
6910
6911         PR tree-optimization/22493
6912         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6913         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6914
6915 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
6916
6917         * config/frv/frv.opt (moptimize-membar): New.
6918
6919         * doc/invoke.texi: Document -moptimize-membar and its inverse.
6920
6921         * config/frv/frv.h: Remove machine_function definition.
6922
6923         * config/frv/frv.c (struct frv_io): New.
6924         (struct machine_function): Moved from frv.h.  Add has_membar_p.
6925         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6926         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6927         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6928         (frv_optimize_membar_global, frv_optimize_membar): New functions.
6929         (frv_reorg): Call frv_optimize_membar when appropriate.
6930         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6931         (frv_expand_builtin): Adjust calls accordingly.
6932         (frv_io_address_cookie): New function.
6933         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6934         load or store rather than a special insn.  Add ccnstant address and
6935         io-type operands to the membar.
6936         (frv_ifcvt_modify_tests): Unsign regno.
6937         (frv_ifcvt_modify_tests): Same.
6938
6939         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
6940         UNSPEC_OPTIONAL_MEMBAR constant.
6941         (builtin_read_<mode>): Delete.
6942         (builtin_write_<mode>): Delete.
6943         ("optional_membar_<mode>"): Add operand.
6944
6945         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6946         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6947         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6948         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6949         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6950         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6951         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6952         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6953         * testsuite/gcc.target/frv/all-read-write-1.c: New.
6954
6955 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6956
6957         * df.c (df_uses_record): Handle SCRATCH.
6958
6959 2005-07-28  Steven Bosscher  <stevenb@suse.de>
6960
6961         PR debug/20161
6962         * passes.c (rest_of_decl_compilation): If decl is a type and
6963         we have encountered errors, don't emit debug information.
6964
6965 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
6966
6967         * params.def: Fixed comment.
6968
6969 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
6970
6971         PR target/19885
6972         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6973         (TARGET_ASM_UNALIGNED_HI_OP): Add.
6974         (TARGET_ASM_UNALIGNED_SI_OP): Add.
6975
6976 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6977
6978         PR c++/22003
6979         * varasm.c (assemble_start_function): Don't do anything that may
6980         require a CFG if the current function is a thunk.
6981
6982 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
6983
6984         * doc/install.texi (Prerequisites): Mention that perl is needed
6985         to do export control in libstdc++ targetting Darwin.
6986
6987 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6988
6989         PR rtl-optimization/17808
6990         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6991         (sched_insns_conditions_mutex_p): Split out from...
6992         (add_dependence): ...here.  But don't call it from here.
6993         (add_dependence_list): Check sched_insns_conditions_mutex_p
6994         before calling add_dependence.
6995         (add_dependence_list_and_free): Likewise.
6996         (fixup_sched_groups): Likewise.
6997         (sched_analyze_1): Likewise.
6998         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6999         (sched_analyze): Likewise.
7000         (sched_analyze_insn): Likewise.
7001         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7002         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
7003         dependencies on all COND_EXEC insns to jumps ending basic blocks
7004         when doing intrablock scheduling.
7005         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7006
7007 2005-07-27  Jeff Law  <law@redhat.com>
7008
7009         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7010         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7011         equivalency sets, correctly handle the case were vr0 has an
7012         equivalency set, but vr1 does not.
7013
7014 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7015
7016         PR tree-optimization/23073
7017         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7018         vect_print_dump_info before fprintf.
7019
7020 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7021
7022         PR tree-optimize/22348
7023         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7024         Fold the partial computation.
7025
7026 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7027
7028         PR tree-optimization/22325
7029         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7030         Declare.
7031         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7032         value replacement.
7033         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7034         (force_var_cost): ... this function.
7035         (compute_phi_arg_on_exit): Export.
7036
7037 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7038
7039         PR tree-optimization/20773
7040         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7041         edge.
7042
7043 2005-07-27  Richard Guenther  <rguenther@suse.de>
7044
7045         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7046         Avoid pushing again if current struct contains only
7047         fields we decomposed.
7048
7049 2005-07-27  Jan Hubicka  <jh@suse.cz>
7050
7051         PR tree-optimization/22574
7052         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7053         not available.
7054
7055         * tree-tailcall.c (decrease_profile): New function.
7056         (eliminate_tail_call): Use it.
7057
7058         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7059         visibility flags correctly in whole program mode.
7060
7061 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7062
7063         PR rtl-optimization/22472
7064         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7065
7066 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7067
7068         PR tree-optimization/22504
7069         * tree-complex.c (expand_complex_addition): Use 'code' instead
7070         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7071
7072 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7073
7074         * config.gcc (cpu_type): Add frv case.
7075         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7076         (supported_defaults): Add fr550 case.
7077
7078 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7079
7080         PR 22591
7081         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7082         whether a pointer of type T * may point to objects of type T *.
7083
7084 2005-07-26  DJ Delorie  <dj@redhat.com>
7085
7086         * configure: Regenerate.
7087
7088 2005-07-26  Dale Johannesen  <dalej@apple.com>
7089
7090         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7091
7092 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7093
7094         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7095         Clarify use of "build" in name.
7096
7097 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7098
7099         * doc/extend.texi (Raw read/write Functions): New section.
7100         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7101         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7102         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7103         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7104         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7105         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7106         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7107         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7108         * config/frv/frv.c: Add bdesc_loads global.
7109         Add bdesc_stores global.
7110         (frv_init_builtins): Add support for __builtin_{read/write}*.
7111         (frv_volatile_memref): New.
7112         (frv_expand_load_builtin): New.
7113         (frv_expand_store_builtin): New.
7114         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7115         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7116         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7117         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7118         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7119         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7120         (builtin_read_<mode>): New.
7121         (builtin_write_<mode>): New.
7122         (builtin_write64): New.
7123         (optional_membar_<mode>): New.
7124
7125 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7126
7127         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7128         (rather than units) against HOST_BITS_PER_WIDE_INT.
7129
7130 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7131
7132         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7133         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7134         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7135         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7136         FSF address.
7137
7138         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7139         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7140         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7141         comment typos.
7142         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7143
7144 2005-07-26  Richard Guenther  <rguenther@suse.de>
7145
7146         PR tree-optimization/22486
7147         * fold-const.c (fold_unary): Fold away useless component
7148         references of the form (T *)&T.x, if the address
7149         doesn't change.
7150
7151 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7152
7153         * dwarf2out.c (add_call_src_coords_attributes): New.
7154         (gen_inlined_subroutine_die): Call it.
7155         (maybe_emit_file, init_file_table): Add comments.
7156         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7157         maybe_emit_file.
7158         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7159         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7160         * tree.h (BLOCK_SOURCE_LOCATION): New.
7161         (struct tree_block): New field locus.
7162
7163 2005-07-26  Andreas Schwab  <schwab@suse.de>
7164
7165         PR rtl-optimization/23043
7166         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7167         when allocating a struct unoccr.
7168
7169 2005-07-25  Richard Henderson  <rth@redhat.com>
7170
7171         PR 22626
7172         * tree-complex.c (gate_no_optimization): True if errors.
7173         * Makefile.in (tree-complex.o): Update dependencies.
7174
7175 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7176
7177         * config/frv/predicates.md (integer_register_operand): Use
7178         GPR_AP_OR_PSEUDO_P.
7179
7180 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7181
7182         PR tree-opt/22484
7183         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7184         after fold.
7185         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7186
7187 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7188
7189         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7190         types when flag_unsafe_math_optimizations is true.
7191
7192 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7193
7194         * gcc.c (option_map): Add --sysroot.
7195         (process_command): Handle --sysroot.
7196         (display_help): Document it.
7197         * doc/cppopts.tex (-isysroot): Document.
7198         * doc/invoke.texi (--sysroot): Document.
7199         * doc/install.texi (--with-build-sysroot): Document.
7200
7201         * Makefile.in (inhibit_libc): New variable.
7202         (INHIBIT_LIBC_CFLAGS): Likewise.
7203         (LIBGCC2_CFLAGS): Include
7204         $(INHIBIT_LIBC_CFLAGS).
7205         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7206         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7207         ($(T)crtend.o): Likewise.
7208         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7209         ($(T)crtendS.o): Likewise.
7210         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7211         ($(T)crtendT.o): Likewise.
7212         (stmp-fixinc): Do not complain about missing headers if
7213         inhibit_libc.
7214         * configure.ac (inhibit_libc): Set it to true/false.
7215         (--with-build-sysroot): New option.  Use it to set
7216         SYSTEM_HEADER_DIR.
7217         * configure: Regenerated.
7218
7219 2005-07-25  Manfred Hollstein  <mh@suse.com>
7220
7221         * calls.c (store_one_arg): Fix unsigned comparison warning.
7222
7223 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7224
7225         PR other/22337
7226         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7227         (ggc_print_statistics): Initialize variable before use.
7228
7229 2005-07-25  Richard Guenther  <rguenther@suse.de>
7230
7231         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7232         calling with a PHI_NODE argument.
7233
7234         * tree-flow-inline.h (overlap_subvar): Protect against
7235         possible overflow.
7236
7237 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7238
7239         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7240         * configure: Regenerate.
7241
7242 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7243
7244         * expr.c (highest_pow2_factor): Make extern.
7245         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7246         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7247         record_array_differ_p, array_ptr_differ_p): Likewise.
7248         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7249         additional cases. Call the above functions.
7250         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7251         base_object_differ_p when there are two base objects. Otherwise, compare
7252         base address and offset. Call may_alias_p.
7253         (dump_data_reference): Use a correct field name.
7254         (analyze_array): Make static. Initialize new data-ref fields.
7255         (analyze_indirect_ref): New function.
7256         (init_data_ref): Initialize new data-ref fields.
7257         (strip_conversion): Moved from tree-vect-analyze.c.
7258         (analyze_offset_expr, get_ptr_offset, address_analysis,
7259         object_analysis): Likewise.
7260         (analyze_offset): New function.
7261         (create_data_ref): Likewise.
7262         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7263         dimensions for ARRAY_REFs only.
7264         (build_classic_dist_vector): Make static.
7265         (access_functions_are_affine_or_constant_p): Call macro to get the
7266         address of access functions.
7267         (compute_all_dependences): Add new parameter
7268         compute_self_and_read_read_dependences. Compute self and read-read
7269         dependences if it is true.
7270         (find_data_references_in_loop): Call create_data_ref. Initialize new
7271         data-ref fields.
7272         (compute_data_dependences_for_loop): Add new parameter
7273         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7274         compute nb_loops. Call compute_all_dependences,
7275         build_classic_dist_vector and build_classic_dir_vector with correct
7276         parameters.
7277         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7278         with correct parameters. Compare dimensions for ARRAY_REFs only.
7279         (free_data_refs): Call macro to free access functions.
7280         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7281         fields from stmt_vinfo.
7282         (struct base_object_info): New structure.
7283         (struct data_reference): Move fields to base_object_info. Add fields
7284         first_location and object_info for above structures. Move fields from
7285         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7286         aligned_to.  Add macros to access the new fields.
7287         Update functions declarations.
7288         * tree-flow.h (is_aliased_with): Declare.
7289         * tree-loop-linear.c (linear_transform_loops): Call
7290         compute_data_dependences_for_loop with correct parameters.
7291         * tree-ssa-alias.c (is_aliased_with): New function.
7292         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7293         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7294         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7295         vect_base_addr_differ_p, compute_subscript_distance and
7296         build_classic_dist_vector. Add printings. Check absolute value of
7297         distance.
7298         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7299         data-refs.
7300         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7301         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7302         to bytes. Add printing.
7303         (vect_compute_data_refs_alignment): Go through loads and stores in one
7304         loop.
7305         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7306         vect_analyze_data_ref_access): Likewise.
7307         (vect_analyze_pointer_ref_access): Remove.
7308         (vect_address_analysis, vect_object_analysis): Likewise.
7309         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7310         and analyze data-refs in the loop.
7311         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7312         fields of data-ref instead of stmt. Add init to the offset from the
7313         base.
7314         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7315         (vect_update_init_of_dr): Likewise.
7316         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7317         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7318         removed fields.
7319         (new_loop_vec_info): Initialize new fields.
7320         (destroy_loop_vec_info): Free new fields.
7321         (vect_strip_conversion): Remove.
7322         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7323         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7324         datarefs. Add new field ddrs.
7325         Add macros for the new fields access.
7326         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7327         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7328         Remove their macros.
7329         * tree.h (highest_pow2_factor): Declare.
7330
7331 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7332
7333         * calls.c (store_one_arg): Check for sibling call MEM arguments
7334         from already clobbered incoming argument area.
7335
7336 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7337
7338         * c-common.c (check_missing_format_attribute): New.
7339         * c-common.h (check_missing_format_attribute): Likewise.
7340         * c-typeck.c (convert_for_assignment): Use it.
7341
7342 2005-07-24  Andreas Schwab  <schwab@suse.de>
7343
7344         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7345         register use a word move.  Correct operand of ext.w in 68000 code.
7346
7347 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7348
7349         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7350         variables as declarations, rather than definitions.
7351
7352 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7353
7354         PR tree-optimization/22526
7355         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7356         of the zero node.
7357
7358 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7359
7360         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7361         that C99 reserve for future use. Use it to define clog10,
7362         clog10f and clog10l.
7363
7364 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7365
7366         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7367         * configure.ac: Check for -Wmissing-format-attribute.
7368
7369         * configure: Regenerate.
7370
7371 2005-07-23  Richard Henderson  <rth@redhat.com>
7372
7373         PR tree-optimization/22623
7374         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7375
7376 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7377
7378         PR target/22577
7379         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7380
7381 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7382
7383         * Makefile.in (C_TREE_H): Update dependencies.
7384         * c-tree.h: Include toplev.h.
7385         * diagnostic.h (diagnostic_set_info): Add format attribute.
7386         * rtl-error.c (diagnostic_for_asm): Likewise.
7387
7388 2005-07-23  Chao-ying Fu  <fu@mips.com>
7389
7390         * config/mips/mips-dsp.md: New file.
7391         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7392         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7393         functions.
7394         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7395         MIPS_BUILTIN_BPOSGE32.
7396         (mips_expand_builtin_direct): Add one parameter to indicate that
7397         builtin functions need to return a value.
7398         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7399         functions.
7400         (mips_regno_to_class): Add classes for 12 new DSP registers.
7401         (mips_subword): Change to check four HI registers.
7402         (mips_output_move): Output move to and from 6 new DSP accumulators.
7403         (override_options): Make sure -mdsp and -mips16 are not used together.
7404         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
7405         for machine modes.
7406         (mips_conditional_register_usage): Disable 6 new DSP accumulators
7407         when !TARGET_DSP.
7408         (print_operand): Add 'q' for printing DSP accumulators.
7409         (mips_cannot_change_mode_class): Check ACC_REGS.
7410         (mips_secondary_reload_class): Check ACC_REGS.
7411         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7412         (mips_register_move_cost): Check ACC_REGS.
7413         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7414         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7415         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7416         (dsp_bdesc): New array.
7417         (bdesc_arrays): Add DSP builtin function table.
7418         (mips_prepare_builtin_arg): Check predicate again after
7419         copy_to_mode_reg.
7420         (mips_expand_builtin): Add one more parameter to
7421         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7422         MIPS_BUILTIN_BPOSGE32.
7423         (mips_init_builtins): Initialize new function types.
7424         (mips_expand_builtin_direct): Check if builtin functions need to
7425         return a value and pass operands properly.
7426         (mips_expand_builtin_bposge): New function.
7427         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7428         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7429         (FIRST_PSEUDO_REGISTER): Increase to 188.
7430         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7431         Update for 12 new DSP registers.
7432         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7433         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7434         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7435         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7436         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7437         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7438         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7439         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7440         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7441         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7442         (REGISTER_NAMES): Add names for 12 new DSP registers.
7443         * config/mips/mips.md: Include mips-dsp.md.
7444         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7445         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7446         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7447         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7448         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7449         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7450         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7451         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7452         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7453         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7454         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7455         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7456         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7457         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7458         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7459         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7460         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7461         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7462         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7463         (UNSPEC_RDDSP): New constants.
7464         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7465         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
7466         A<-d alternative.
7467         * config/mips/mips.opt (-mdsp): New option.
7468         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7469         (reg_imm10_operand): New predicates.
7470         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7471         * doc/invoke.texi (-mdsp): Document new option.
7472
7473 2005-07-22  DJ Delorie  <dj@redhat.com>
7474
7475         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7476         to warning calls.
7477         * tree-inline.c (inlinable_function_p): Likewise.
7478
7479 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
7480
7481         PR debug/21828
7482         * toplev.c (check_global_declarations): Do not mark undefined
7483         variables as DECL_IGNORED_P.
7484         * varasm.c (first_global_object_name): GTY it.
7485         (weak_global_object_name): Likewise.
7486         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7487         a string to go into {weak,first}_global_object_name.
7488
7489 2005-07-22  DJ Delorie  <dj@redhat.com>
7490
7491         * c-format.c (check_function_format): Change warning control
7492         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7493
7494 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
7495
7496         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7497         &PTR->FLD a dereference of PTR.
7498         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7499         a potential dereference of PTR.
7500
7501 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
7502
7503         PR rtl-optimization/20370
7504         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7505         call allocate_reg_info if necessary.
7506
7507         PR rtl-optimization/21848
7508         * calls.c (emit_library_call_value_1): For const functions, add
7509         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7510
7511         PR rtl-optimization/22445
7512         * cselib.c (target.h): Include.
7513         (rtx_equal_for_cselib_p): Allow commutative matches.
7514         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7515         Remove MODE parameter.  Changed all callers.
7516
7517         PR rtl-optimization/22258
7518         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7519         New functions.
7520         (try_combine): Use likely_spilled_retval_p.
7521
7522 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
7523
7524         * config.gcc: Add crx-elf support.
7525
7526         * doc/contrib.texi: Mention crx.
7527         * doc/extend.texi: Document crx extensions.
7528         * doc/install.texi: Document crx install.
7529         * doc/invoke.texi: Document crx options.
7530         * doc/md.texi: Document crx constraints.
7531
7532         * config/crx/crx-protos.h: New file.
7533         * config/crx/crx.c: New file.
7534         * config/crx/crx.h: New file.
7535         * config/crx/crx.md: New file.
7536         * config/crx/crx.opt: New file.
7537         * config/crx/t-crx: New file.
7538
7539 2005-07-22  Manfred Hollstein  <mh@suse.com>
7540
7541         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7542         warnings.
7543         (int_add_graph_edge): Likewise.
7544         (collapse_nodes): Likewise.
7545         (process_unification_queue): Likewise.
7546
7547 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7548             Laurent GUERBY  <laurent@guerby.net>
7549
7550         PR tree-optimization/22336
7551         * function.c (record_block_change): Check for
7552         cfun->ib_boundaries_block.
7553
7554 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7555
7556         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7557         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7558
7559 2005-07-21  DJ Delorie  <dj@redhat.com>
7560
7561         * toplev.c (warn_deprecated_use): Add warning control to warning
7562         call.
7563         * c-typeck.c (parser_build_binary_op): Likewise.
7564         (c_finish_if_stmt): Likewise.
7565         * c-common.c (check_function_sentinel): Likewise.
7566         (check_nonnull_arg): Likewise.
7567
7568 2005-07-21  Richard Henderson  <rth@redhat.com>
7569
7570         PR tree-opt/22504
7571         * tree-complex.c (complex_ssa_name_components): New.
7572         (cvc_lookup): Allow entry not found.
7573         (create_components): Remove.
7574         (create_one_component_var, get_component_var): New.
7575         (get_component_ssa_name, set_component_ssa_name): New.
7576         (extract_component): Use get_component_ssa_name.
7577         (update_complex_components): Use set_component_ssa_name.
7578         (update_complex_components_on_edge): Likewise.
7579         (update_phi_components): Create new PHI nodes directly, instead
7580         of adding insns to edges.
7581         (tree_lower_complex): Allocate and free complex_variable_components
7582         and complex_ssa_name_components here.
7583
7584 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
7585
7586         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7587         revert to returning false.
7588
7589 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7590
7591         PR target/21149
7592         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7593
7594 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7595
7596         PR target/22576
7597         * config/i386/i386.md (cmpxf): Change operand constraints
7598         to "nonmemory_operand".
7599
7600 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7601
7602         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7603
7604 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7605
7606         PR middle-end/21180
7607         * fold-const.c (fold_build1): Add checksum for the operands.
7608         (fold_build2): Likewise.
7609         (fold_build3): Likewise.
7610
7611 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7612
7613         PR middle-end/19055
7614         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7615
7616 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7617
7618         * common.opt (-fforward-propagate): Committed by mistake,
7619         removed.
7620
7621 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7622
7623         * reg-stack.c: Fix comment typo(s).
7624         * tree-ssa-operands.c: Likewise.
7625         * tree-vectorizer: Likewise.
7626
7627 2005-07-21  Nick Clifton  <nickc@redhat.com>
7628
7629         * config/sh/symbian.c: Replace C++ style line comments with C
7630         style line comments.
7631         (symbian_add_attribute): Do not use a ? operator on the LHS of
7632         an assignment.
7633         (sh_symbian_handle_dll_attribute): Change the type of the
7634         method vector to "VEC(tree,gc)*" and use vector accessor
7635         macros to walk over the elements.
7636         (symbian_export_vtable_and_rtti_p): Likewise.
7637         (symbian_class_needs_attribute_p): Likewise.
7638
7639 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7640
7641         PR target/22085
7642         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7643         initialize targetm.resolve_overloaded_builtin here.
7644         (altivec_expand_overloaded_builtin): Make it non-static.
7645         * config/rs6000/rs6000-protos.h
7646         (altivec_expand_overloaded_builtin): New prototype.
7647         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7648         targetm.resolve_overloaded_builtin here.
7649         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7650
7651 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7652             Zdenek Dvorak  <dvorakz@suse.cz>
7653
7654         PR tree-optimization/19210
7655         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7656         New.
7657         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7658         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7659         rely on unproven assumptions.
7660         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7661         * tree-flow.h (number_of_iterations_exit): Add final parameter.
7662         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7663         to number_of_iterations_exit.
7664         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7665         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7666         * tree-ssa-loop-niter.c (find_loop_niter,
7667         estimate_numbers_of_iterations_loop): Likewise.
7668         (number_of_iterations_exit): Honor the new options.
7669         * doc/invoke.texi (Wunsafe-loop-optimizations,
7670         funsafe-loop-optimizations): Document them.
7671
7672 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
7673
7674         PR rtl-optimization/22167
7675         * gcse.c (hoist_code): Fix hoist_exprs[] check.
7676
7677 2005-07-20  Adam Nemet  <anemet@lnxw.com>
7678
7679         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7680         __do_global_dtors_aux longcall.
7681
7682 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
7683
7684         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7685         (old_special_pred_table): Don't reference
7686         SPECIAL_MODE_PREDICATES.
7687         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7688         * config/arc/arc.h: Don't mention PREDICATE_CODES.
7689         * config/sh/predicates.h: Don't mention
7690         SPECIAL_MODE_PREDICATES.
7691         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7692         Remove.
7693
7694 2005-07-20  DJ Delorie  <dj@redhat.com>
7695
7696         * config.gcc: Add m32c-elf support.
7697
7698         * doc/contrib.texi: Mention m32c.
7699         * doc/extend.texi: Document m32c extensions.
7700         * doc/install.texi: Mention m32c.
7701         * doc/invoke.texi: Document m32c options.
7702         * doc/md.texi: Document m32c constraints.
7703
7704         * config/m32c/addsub.md: New file.
7705         * config/m32c/bitops.md: New file.
7706         * config/m32c/cond.md: New file.
7707         * config/m32c/jump.md: New file.
7708         * config/m32c/m32c-lib1.S: New file.
7709         * config/m32c/m32c-lib2.c: New file.
7710         * config/m32c/m32c-modes.def: New file.
7711         * config/m32c/m32c-pragma.c: New file.
7712         * config/m32c/m32c-protos.h: New file.
7713         * config/m32c/m32c.abi: New file.
7714         * config/m32c/m32c.c: New file.
7715         * config/m32c/m32c.h: New file.
7716         * config/m32c/m32c.md: New file.
7717         * config/m32c/m32c.opt: New file.
7718         * config/m32c/minmax.md: New file.
7719         * config/m32c/mov.md: New file.
7720         * config/m32c/muldiv.md: New file.
7721         * config/m32c/predicates.md: New file.
7722         * config/m32c/prologue.md: New file.
7723         * config/m32c/shift.md: New file.
7724         * config/m32c/t-m32c: New file.
7725
7726 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7727
7728         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7729         (stack_protect_set, stack_protect_test): New expanders.
7730         (stack_protect_set_si, stack_protect_set_si_media,
7731         stack_protect_set_di_media, stack_protect_test_si,
7732         stack_protect_test_si_media, stack_protect_test_di_media):
7733         New insns.
7734
7735 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
7736
7737         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7738
7739 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
7740
7741         * tree.h (tree_expr_nonzero_p): Export.
7742         * fold-const.c (tree_expr_nonzero_p): Likewise.
7743         Return true for CALL_EXPRs that are alloca calls.
7744         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7745         against zero.
7746         * tree-flow.h (expr_computes_nonzero): Remove.
7747         * tree-vrp.c (expr_computes_nonzero): Remove.
7748         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7749         (extract_range_from_unary_expr): Likewise.
7750         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7751         tree_expr_nonzero_p.
7752
7753 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7754
7755         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7756         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
7757         extra arg "picreg" and use it instead of pic_offset_table_rtx.
7758         All callers changed.
7759         (frame_related_constant_load): New arg "related" which controls
7760         setting of RTX_FRAME_RELATED_P.  All callers changed.
7761         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7762         (bfin_expand_prologue): Add stack limit checking.
7763         * config/bfin/bfin.md (trapifcc): New pattern.
7764
7765         * config/bfin/bfin.c: Include "langhooks.h".
7766         (def_builtin): Go through lang_hooks to call builtin_function.
7767
7768         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7769         * config/bfin/predicates.md (symbol_ref_operand): New.
7770         (call_insn_operand): Delete.  All callers changed to use
7771         register_no_elim_operand.
7772         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7773         call_cookie field.
7774         (function_arg): Use it to generate the call's operand 2.
7775         (bfin_longcall_p): New function.
7776         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
7777         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
7778         determine if the address needs to be in a REG.
7779         (bfin_handle_longcall_attribute): New function.
7780         (bfin_attribute_table): Add "longcall" and "shortcall".
7781         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7782         (CUMULATIVE_ARGS): New member call_cookie.
7783         (PREDICATE_CODES): Add symbol_ref_operand.
7784         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7785         extra USE to the pattern.
7786         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7787         New patterns, split off call_insn, sibcall_insn, call_value_insn and
7788         sibcall_value_insn; now the new patterns handle direct calls and the
7789         old ones indirect calls.
7790         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7791
7792 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
7793
7794         * doc/trouble.texi: Update section on handling of empty loops.
7795
7796 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
7797
7798         * config.gcc: Remove support for sparc-*-openbsd*,
7799         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7800         ns32k-*-netbsd*.
7801         * config.host: Remove support for i860-*-sysv4* as a host.
7802         * config/i860/*, config/ip2k/*, config/ns32k/*,
7803         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7804         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7805         mention obsolete ports.
7806
7807 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7808
7809         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7810         soft frame pointer.
7811         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7812         of frame_pointer_rtx.
7813         (sh_expand_epilogue): Likewise.
7814         (sh_set_return_address): Likewise.
7815         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7816         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
7817         offsets from FRAME_POINTER_REGNUM.
7818         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7819         (sh_register_names): Add initializer for sfp.
7820         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7821         (VALID_REGISTER_P): Likewise.
7822         (FIRST_PSEUDO_REGISTER): Update.
7823         (DWARF_FRAME_REGISTERS): Define.
7824         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7825         (HARD_FRAME_POINTER_REGNUM): Define.
7826         (FRAME_POINTER_REGNUM): Redefine.
7827         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7828         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
7829         from FRAME_POINTER_REGNUM.
7830         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7831         FRAME_POINTER_REGNUM.
7832         (REG_CLASS_CONTENTS): Add sfp.
7833         (REG_ALLOC_ORDER): Likewise.
7834         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
7835         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7836         of frame_pointer_rtx.
7837         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7838
7839 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
7840
7841         * fold-const.c (tree_expr_nonnegative_p): Only return true for
7842         ABS_EXPR when flag_wrapv is false because of INT_MIN.
7843         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7844         of an ABS_EXPR.
7845         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7846         ABS_EXPR<x>.
7847
7848 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
7849
7850         Make CONSTRUCTOR use VEC to store initializers.
7851         * c-common.c (complete_array_type): Update to cope with VEC in
7852         CONSTRUCTOR_ELTS.
7853         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7854         (pp_c_constructor_elts): New function.
7855         * c-pretty-print.h (pp_c_constructor_elts): Declare.
7856         * c-typeck.c (build_function_call, build_c_cast, digest_init,
7857         struct constructor_stack, struct initializer_stack,
7858         constructor_elements, push_init_level, pop_init_level,
7859         add_pending_init, find_init_member, output_init_element): Update to
7860         cope with VEC in CONSTRUCTOR_ELTS.
7861         * coverage.c (build_fn_info_value, build_ctr_info_value,
7862         build_gcov_info): Likewise.
7863         * expr.c (categorize_ctor_elements_1, store_constructor,
7864         expand_expr_real_1): Likewise.
7865         * fold-const.c (fold_ternary): Likewise.
7866         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7867         gimplify_init_constructor, gimplify_expr): Likewise.
7868         * tree-dump.c (dequeue_and_dump): Likewise.
7869         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7870         node.
7871         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7872         CONSTRUCTOR_ELTS.
7873         * tree-sra.c (generate_element_init_1): Likewise.
7874         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7875         * tree-ssa-operands.c (get_expr_operands): Likewise.
7876         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7877         * tree-vect-transform.c (vect_get_vec_def_for_operand):
7878         (get_initial_def_for_reduction): Likewise.
7879         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7880         value handle in annotations.
7881         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7882         tree_node_structure): Add support for constr_kind.
7883         (build_vector_from_ctor, build_constructor_single,
7884         build_constructor_from_list): New functions.
7885         (build_constructor): Update to take a VEC instead of a TREE_LIST.
7886         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7887         Update to cope with VEC in CONSTRUCTOR_ELTS.
7888         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7889         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7890         CONSTRUCTOR_APPEND_ELT): New macros.
7891         (struct constructor_elt, struct tree_constructor): New data types.
7892         (union tree_node): Add tree_constructor field.
7893         * treestruct.def: Define TS_CONSTRUCTOR.
7894         * varasm.c (const_hash_1, compare_constant, copy_constant,
7895         compute_reloc_for_constant, output_addressed_constants,
7896         initializer_constant_valid_p, output_constant,
7897         array_size_for_constructor, output_constructor): Update to cope with
7898         VEC in CONSTRUCTOR_ELTS.
7899         * vec.h (VEC_empty, VEC_copy): New macros.
7900
7901 2005-07-19  Devang Patel  <dpatel@apple.com>
7902
7903         * dbxout.c (dbxout_type): Check Objective-C++ lang.
7904
7905 2005-07-19  Richard Henderson  <rth@redhat.com>
7906
7907         PR tree-opt/22278
7908         * gimplify.c (gimplify_expr): Use main variant type for the temp
7909         destination for a discarded volatile read.
7910         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7911         casts between non-void types that change volatility.
7912
7913 2005-07-15  DJ Delorie  <dj@redhat.com>
7914
7915         * toplev.h: Add comment about the first parameter for warning().
7916         * errors.h: Likewise.
7917
7918         * c.opt (Wpragmas): New.
7919         * doc/invoke.texi: Document it.
7920
7921         * function.c (do_warn_unused_parameter): Add warning control to
7922         warning call.
7923         * c-decl.c (warn_if_shadowing): Likewise.
7924         * c-lex.c (cb_def_pragma): Likewise.
7925         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7926         (pop_alignment): Likewise.
7927         (handle_pragma_pack): Likewise.
7928         (apply_pragma_weak): Likewise.
7929         (handle_pragma_weak): Likewise.
7930         (handle_pragma_redefine_extname): Likewise.
7931         (add_to_renaming_pragma_list): Likewise.
7932         (handle_pragma_extern_prefix): Likewise.
7933         (maybe_apply_renaming_pragma): Likewise.
7934         (handle_pragma_visibility): Likewise.
7935
7936         * config/c4x/c4x-c.c (BAD): Likewise.
7937         (c4x_parse_pragma): Likewise.
7938         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7939         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7940         (rs6000_pragma_longcall): Likewise.
7941         * config/v850/v850-c.c (pop_data_area): Likewise.
7942         (ghs_pragma_section): Likewise.
7943         (ghs_pragma_section): Likewise.
7944         (ghs_pragma_interrupt): Likewise.
7945         (ghs_pragma_starttda): Likewise.
7946         (ghs_pragma_startsda): Likewise.
7947         (ghs_pragma_startzda): Likewise.
7948         (ghs_pragma_endtda): Likewise.
7949         (ghs_pragma_endsda): Likewise.
7950         (ghs_pragma_endzda): Likewise.
7951
7952 2005-07-19  Danny Berlin <dberlin@dberlin.org>
7953             Kenneth Zadeck <zadeck@naturalbridge.com>
7954
7955         * Makefile.in: Removed tree-promote-statics.c
7956         * tree-promote-statics.c: Removed.
7957         * common.opt: Removed flag-promote-statics.
7958         * opts.c: Ditto.
7959         * passes.c: Removed tree-promote-statics pass.
7960         * tree-pass.h: Ditto.
7961         * timevar.def: Removed TV_PROMOTE_STATICS.
7962
7963
7964 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
7965
7966         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7967         and *-*-freebsd9.
7968         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7969
7970 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7971
7972         PR c/22476
7973         * c-common.c (check_function_arguments): Call
7974         'check_function_format' if either -Wformat or
7975         -Wmissing-format-attribute are specified.
7976         * c-format.c (check_function_format): Check -Wformat before
7977         calling 'check_format_info'.
7978         * c-opts.c (c_common_post_options): Don't warn for
7979         -Wmissing-format-attribute without -Wformat.
7980         * c-typeck.c (convert_for_assignment): Detect additional cases for
7981         -Wmissing-format-attribute.
7982         * doc/invoke.texi (-Wmissing-format-attribute): Document new
7983         behavior.
7984
7985 2005-07-19  Richard Guenther  <rguenther@suse.de>
7986
7987         * config/i386/i386.md (lrint<mode>2): Use temporary
7988         instead of clobbering non-existent memory.
7989
7990 2005-07-19  Nick Clifton  <nickc@redhat.com>
7991
7992         * config/avr/avr.c (legitimate_address_p): Fix debugging print
7993         statement to avoid displaying ASCII control characters.
7994
7995 2005-07-19  Ben Elliston  <bje@au.ibm.com>
7996
7997         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7998         * cfganal.c (find_edge_index): Ditto.
7999         * combine.c (combine_instructions): Ditto.
8000         * ddg.c (create_scc): Ditto.
8001         (find_successors): Ditto.
8002         (find_predecessors): Ditto.
8003         (find_nodes_on_paths): Ditto.
8004         (longest_simple_path): Ditto.
8005         * flow.c (update_life_info): Ditto.
8006         (count_or_remove_death_notes): Ditto.
8007         (clear_log_links): Ditto.
8008         * modulo-sched.c (generate_reg_moves): Ditto.
8009         (find_max_asap): Ditto.
8010         (find_max_hv_min_mob): Ditto.
8011         (find_max_dv_min_mob): Ditto.
8012         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8013         * sched-rgn.c (extract_edgelst): Ditto.
8014         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8015         (dump_update_ssa): Ditto.
8016         (ssa_names_to_replace) Ditto.
8017         (switch_virtuals_to_full_rewrite): Ditto.
8018         (update_ssa): Ditto.
8019         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8020
8021 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8022
8023         Fix PR tree-optimization/22483
8024
8025         * tree-complex.c (create_components): Use
8026         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8027         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8028         * tree-flow.h (safe_referenced_var_iterator): New structure.
8029         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8030         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8031         safe_referenced_var iterator.
8032         (add_type_alias): Ditto.
8033
8034 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8035
8036         * loop-init.c (rest_of_handle_loop2): Remove.
8037         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8038         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8039         (pass_rtl_loop_init, pass_rtl_loop_done,
8040         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8041         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8042         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8043         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8044         pass_tree_loop_done, and pass_tree_unswitch.
8045         (gate_loop): Rename to gate_tree_loop.
8046         * passes.c (init_optimization_passes): Update for renamed tree
8047         loop passes.  Add the new loop2 passes as subpasses of loop2.
8048         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8049         Update for the renamed tree loop passes.
8050
8051 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8052
8053         PR middle-end/22057
8054         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8055         blocks when optimizing.
8056
8057 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8058
8059         * common.opt (frename-registers): Initialize to 2.
8060         (fweb): Ditto.
8061         (fgcse-after-reload): Ditto.
8062         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8063         (process_options): Only change flag_web, flag_rename_registers,
8064         and flag_rerun_cse_after_loop if not explicitly set by user.
8065
8066 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8067
8068         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8069         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8070         in 64-bit mode the same as DImode in 32-bit mode.
8071         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8072         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8073         mode. Add new mode parameter.
8074         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8075         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8076         x86_64_shift_adj): New expanders.
8077         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8078         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8079         insns.
8080         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8081         DImode shift splitters.
8082         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8083         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8084         mode parameter.
8085
8086 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8087
8088         * i386.md (movdi_extzv_1): New.
8089         (zero_extendhidi2): Combine alternatives and never force use of
8090         REX64 prefix.
8091         (zero_extendqidi2): Likewise. Don't restrict input selection.
8092
8093 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8094
8095         Fix PR tree-optimization/22531
8096         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8097          moment.
8098
8099 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8100
8101         * tree-promote-statics.c (pass_promote_statics): Change dump file
8102          name.
8103
8104 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8105
8106         * tree-optimize.c (init_tree_optimization_passes): Add
8107         pass_eliminate_useless_stores pass.
8108         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8109         * tree-ssa-pre.c (is_copy_stmt): New function.
8110         (follow_copies_till_vuse): Ditto.
8111         (do_eustores): Ditto.
8112         (gate_eustores): Ditto.
8113
8114 2005-07-16  Richard Henderson  <rth@redhat.com>
8115
8116         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8117
8118 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8119            Kenneth Zadeck <zadeck@naturalbridge.com>
8120
8121         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8122         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8123         ipa-type-escape.h, tree-promote-statics.c
8124         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8125         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8126         tree-promote-statics.c: new files.
8127         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8128         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8129         int nonlocal_set_p, mark_constant_function): Deleted.
8130         (rest_of_handle_cfg): Removed call to mark_constant_function.
8131         (nonoverlapping_component_refs_p): Added calls to support
8132         type based aliasing.
8133         * tree-ssa-alias.c (may_alias_p,
8134         compute_flow_insensitive_aliasing): Ditto.
8135         * calls.c (flags_from_decl_or_type): Removed reference to
8136         cgraph_rtl_info.
8137         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8138         too many arguments.  This is necessary for Spec 2000.
8139         * cgraph.h (const_function, pure_function): Removed.
8140         * common.opt: Added "fipa-pure-const", "fipa-reference",
8141         "fipa-type-escape", and "ftree-promote-static".
8142         * opts.c: Ditto.
8143         * passes.c: Added ipa and tree-promote-statics passes.
8144         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8145         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8146         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8147         * tree-flow.h: Added exposed sra calls and addition of
8148         reference_vars_info field for FUNCTION_DECLS.
8149         * tree-pass.h: Added passes.
8150         * tree-sra.c: (sra_init_cache): New function.
8151         (sra_insert_before, sra_insert_after) Made public.
8152         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8153         and made public.
8154         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8155         aliasing. (may_alias_p): Added code to use type escape analysis to
8156         improve alias sets.
8157         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8158         code to prune clobbers of static variables based on information
8159         produced in ipa-reference pass.  Changed call clobbering so that
8160         statics are not marked as clobbered if the call does not clobber
8161         them.
8162
8163 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8164
8165         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8166         too.
8167
8168 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8169
8170         * doc/install.texi (*-*-solaris2*): Document recommended version
8171         of GNU binutils and mention GNU linker problem on Solaris 10.
8172
8173 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8174
8175         PR c/22421
8176         * c-decl.c (c_build_bitfield_integer_type): New function.
8177         (finish_struct): Call it.
8178         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8179
8180 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8181
8182         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8183         before returning.
8184
8185 2005-07-16  Jan Hubicka  <jh@suse.cz>
8186
8187         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8188         (scale_bbs_frequencies_int): Watch roundoff errors.
8189         * predict.c (return_prediction): Initialize return_stmt.
8190
8191 2005-07-16  Jan Hubicka  <jh@suse.cz>
8192
8193         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8194         after RTL profiling.
8195
8196 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8197
8198         PR middle-end/22398
8199         * fold-const.c (build_range_check): Convert high/low to etype
8200         if we are only comparing against exp.
8201
8202 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8203
8204         Fix PR tree-optimization/22376
8205         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8206         special var here.
8207         (need_to_solve): New function.
8208         (compute_points_to_sets): Use it.
8209
8210 2005-07-15  Jan Hubicka  <jh@suse.cz>
8211
8212         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8213         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8214
8215 2005-07-15  Richard Guenther  <rguenther@suse.de>
8216
8217         * c-common.c (handle_flatten_attribute): New function.
8218         Add flatten function attribute.
8219         * doc/extend.texi: Document flatten function attribute.
8220         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8221         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8222         New functions.
8223         (cgraph_decide_inlining): Handle functions with flatten
8224         attribute.
8225
8226 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8227
8228         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8229         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8230         UNSPEC_XCHG, UNSPEC_AND): New.
8231         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8232         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8233         * config/rs6000/sync.md (FETCHOP): New code macro.
8234         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8235         New code attrs.
8236         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8237         (sync_compare_and_swap<mode>): Same.
8238         (sync_lock_test_and_set<mode>): Same.
8239         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8240         for QImode and HImode, and not PPC405.
8241         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8242         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8243         (sync_<fetchop>{si,di}_internal): New.
8244         (sync_nand{si,di}_internal): New.
8245         (sync_old_<fetchop>{si,di}_internal): New.
8246         (sync_old_nand{si,di}_internal): New
8247         (sync_new_<fetchop>{si,di}_internal): New.
8248         (sync_new_nand{si,di}_internal): New.
8249         (atomic_and{si,di}): New.
8250         (sync_new_nand{si,di}_internal): New.
8251         (atomic_and{si,di}): New.
8252         (sync_add<mode>_internal): Delete.
8253         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8254         (sync_sub<mode>_internal): Delte.
8255         (sync_subshort_internal): New.
8256         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8257         (sync_anddi_internal): Delete.
8258         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8259         (sync_booldi_internal): Delete.
8260         (sync_boolc<mode>_internal): Delete.
8261         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8262         (sync_boolc<mode>_internal2): Delete.
8263         (sync_boolcc<mode>_internal): Delete.
8264         (isync, lwsync): Use unspec instead of unspec_volatile.
8265         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8266         Revert UNSPEC_VOLATILE.
8267         (rs6000_split_atomic_op): New.
8268         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8269
8270 2005-07-14  Eric Christopher  <echristo@redhat.com>
8271
8272         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8273         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8274
8275 2005-07-14  Eric Christopher  <echristo@redhat.com>
8276
8277         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8278
8279 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8280
8281         PR tree-optimization/22230
8282         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8283         the computation of the four cross productions for "range op range".
8284
8285 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8286             Ulrich Weigand  <uweigand@de.ibm.com>
8287
8288         PR target/20126
8289         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8290         in some insn.
8291
8292 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8293
8294         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8295
8296 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8297
8298         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8299
8300 2005-07-14  Richard Guenther  <rguenther@suse.de>
8301
8302         PR middle-end/22347
8303         * config/i386/i386-protos.h (ix86_function_value): Change
8304         prototype to match new target hook.
8305         * config/i386/i386.c (ix86_value_regno): Change prototype
8306         to take extra type argument.
8307         (TARGET_FUNCTION_VALUE): Define.
8308         (ix86_function_ok_for_sibcall): Pass extra argument to
8309         ix86_value_regno, check return slot rtx for exact match.
8310         (ix86_function_value): Take extra parameter.  Dispatch to
8311         ix86_value_regno with fndecl/fntype as provided.
8312         (ix86_value_regno): Handle extra type argument.
8313         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8314
8315         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8316         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8317         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8318         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8319         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8320
8321 2005-07-14  Richard Guenther  <rguenther@suse.de>
8322
8323         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8324         * calls.c (expand_call): Pass fntype to hard_function_value.
8325         (emit_library_call_value_1): Likewise.
8326         * explow.c: Include target.h.
8327         (hard_function_value): Take extra argument, the fntype.
8328         Use new target hook for function_value.
8329         * expr.h (hard_function_value): Change prototype.
8330         * function.c (aggregate_value_p): Pass 0 as fntype to
8331         hard_function_value.
8332         (assign_parms): Use new target hook for function_value.
8333         Pass 0 as fntype to hard_function_value.
8334         (expand_function_end): Likewise.
8335         * reg-stack.c: Include target.h.
8336         (stack_result): Use new target hook for function_value.
8337         * target-def.h: New target hook function_value.
8338         * target.h: Likewise.
8339         * targhooks.c (default_function_value): New function.
8340         * targhooks.h (default_function_value): Declare.
8341
8342 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8343
8344         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8345
8346 2005-07-14  Jan Hubicka  <jh@suse.cz>
8347
8348         * tree-dfa.c (dump_variable): Use default_def function.
8349         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8350         * tree-ssa.c (verify_use): Likewise.
8351         * tree-ssanames.c (release_ssa_name): Likewise.
8352         * tree-tailcall.c (eliminate_tail_call): Likewise.
8353         (tree_optimize_tail_calls_1): Likewise.
8354         * tree-vrp.c (get_value_range): Likewise.
8355
8356 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8357
8358         * gcc.c (main): Compare language[0] with '*' when iterating over
8359         the infiles.
8360
8361 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8362
8363         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8364         "s390_emit_compare".  Add handling of CCZ1mode.
8365         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8366         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8367         checking.
8368         (s390_branch_condition_mask): Add CCZ1mode handling.
8369         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8370         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8371         Use CCZ1mode instead of CCZmode.
8372         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8373
8374 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8375
8376         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8377         pattern.
8378         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8379
8380 2005-07-13  Eric Christopher  <echristo@redhat.com>
8381
8382         * config/mips/mips.c (mips_canonicalize_comparison): New.
8383         (mips_emit_int_relational): Use.
8384
8385 2005-07-13  Eric Christopher  <echristo@redhat.com>
8386
8387         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8388         static extra parts.
8389         * config/s390/s390.md: Include tpf.md. Move tpf specific
8390         patterns...
8391         * config/s390/tpf.md: To here.
8392         * config/s390/s390.opt: Move tpf specific options...
8393         * config/s390/tpf.opt: to here. Add mmain option.
8394         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8395         * config/s390/tpf.h: Rewrite.
8396
8397 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8398
8399         * doc/tm.texi: Remove @xref{Cross-profiling}.
8400
8401 2005-07-13  Jeff Law  <law@redhat.com>
8402
8403         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8404         expressions, test their _DECL operands for pointer equality rather
8405         than using operand_equal_p.
8406
8407 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8408
8409         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8410         (TARGET_POSIX_IO): This.
8411         * config/darwin.h: Likewise.
8412         * config/freebsd.h: Likewise.
8413         * config/linux.h: Likewise.
8414         * config/lynx.h: Likewise.
8415         * config/netbsd.h: Likewise.
8416         * config/rs6000/linux64.h: Likewise.
8417         * config/rs6000/linux.h: Likewise.
8418         * config/s390/tpf.h: Likewise.
8419         * config/sh/embed-elf.h: Likewise.
8420         * config/sparc/linux64.h: Likewise.
8421         * config/sparc/linux.h: Likewise.
8422         * config/svr4.h: Likewise.
8423         * gcov-io.h: Likewise.
8424
8425         * doc/tm.texi: Updated.
8426
8427         * libgcov.c (create_file_directory): Defined only if
8428         TARGET_POSIX_IO is defined.
8429         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8430         is defined.
8431
8432 2005-07-13  Jan Hubicka  <jh@suse.cz>
8433
8434         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8435
8436 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
8437
8438         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8439         structure as argument.
8440
8441 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
8442
8443         PR tree-optimization/21921
8444         * tree-iterator.c (tsi_link_before): Support the case when
8445         tsi_end_p (tsi) == true.
8446
8447 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8448
8449         PR tree-optimization/22442
8450         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8451         correctly.
8452
8453 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8454
8455         PR rtl-optimization/20376
8456         * toplev.c (process_options): Enable -fweb and -frename-registers when
8457         unrolling.
8458         * doc/invoke.texi: Update the information about when -fweb and
8459         -frename-registers are enabled.
8460
8461 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8462
8463         PR tree-opt/21840
8464         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8465         if *rhs_p is not a SSA_NAME.
8466
8467 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
8468
8469         Fix PR tree-optimization/22422
8470         * tree-ssa-structalias.c (struct variable_info): Add flag for
8471         special vars.
8472         (get_varinfo): Now a static function.
8473         (new_varinfo): init has_union and is_special_var to false.
8474         (solution_set_add): Check has_union.
8475         (do_da_constraint): Move temporary variable so it gets reset
8476         properly.
8477         Also check for special variable.
8478         (do_ds_constraint): Ditto.
8479         (do_sd_constraint): Ditto.
8480         (do_structure_copy): Check for special variable.
8481         (find_func_aliases): Ditto.
8482         (init_base_vars): Set special vars properly.
8483
8484 2005-07-13  Jan Hubicka  <jh@suse.cz>
8485
8486         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8487         do unit-at-a-time.
8488
8489         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8490         (get_expr_operands): Fix thinko wrt flags and subvars.
8491
8492         PR tree-optimize/22379
8493         * tree-inline.c (expand_call_inline): Do not output sorry in early
8494         inlining.
8495
8496 2005-07-12  Dale Johannesen  <dalej@apple.com>
8497
8498         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
8499
8500 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8501
8502         PR bootstrap/21704
8503         * host-linux.h: Include limits.h.
8504
8505 2005-07-12  Dale Johannesen  <dalej@apple.com>
8506
8507         * expr.c (compress_float_constant):  Add cost check.
8508         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
8509
8510 2005-07-12  Dale Johannesen  <dalej@apple.com>
8511
8512         * gcc.target/i386/compress-float-sse.c:  New.
8513         * gcc.target/i386/compress-float-sse-pic.c:  New.
8514         * gcc.target/i386/compress-float-387.c:  New.
8515         * gcc.target/i386/compress-float-387-pic.c:  New.
8516         * gcc.dg/compress-float-ppc.c:  New.
8517         * gcc.dg/compress-float-ppc-pic.c:  New.
8518
8519 2005-07-12  Eric Christopher  <echristo@redhat.com>
8520
8521         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8522         static extra parts.
8523         * config/s390/s390.md: Include tpf.md. Move tpf specific
8524         patterns...
8525         * config/s390/tpf.md: To here.
8526         * config/s390/s390.opt: Move tpf specific options...
8527         * config/s390/tpf.opt: to here. Add mmain option.
8528         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8529         * config/s390/tpf.h: Rewrite.
8530
8531 2005-07-12  Eric Christopher  <echristo@redhat.com>
8532
8533         * gcc.c (struct infile): Update comment for language.
8534         (main): Rewrite input file resetting code.
8535
8536 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8537
8538         PR tree-opt/22335
8539         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8540         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
8541         (lookup_avail_expr): Use constant_boolean_node instead
8542         of boolean_false_node/boolean_true_node.
8543
8544 2005-07-12  Ben Elliston  <bje@au.ibm.com>
8545
8546         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8547         and use it when printing num_edges.
8548
8549 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8550
8551         * doc/extend.texi (Blackfin Built-in Functions): New section.
8552         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8553         @opindex.
8554
8555 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8556
8557         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8558         s/cmpstrsi/cmpstrnsi
8559         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8560         'cmpstrnsi'.
8561         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8562         (init_optabs): Initialize cmpstrn_optab.
8563         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8564         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8565         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8566         * config/i386/i386.md: s/cmpstr/cmpstrn
8567         * config/c4x/c4x.md: s/cmpstr/cmpstrn
8568         * doc/md.texi: Update documentation.
8569
8570 2005-07-11  Richard Henderson  <rth@redhat.com>
8571
8572         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8573         build_va_arg_indirect_ref.
8574         (alpha_gimplify_va_arg): Likewise.
8575         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8576         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8577         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8578         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8579         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8580         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8581         Likewise.
8582         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8583
8584 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8585
8586         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8587         * passes.c (init_optimization_passes): Add pass_empty_loop.
8588         * tree-pass.h (pass_empty_loop): Declare.
8589         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8590         try_remove_empty_loop, remove_empty_loops): New functions.
8591         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8592         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8593
8594 2005-07-12  Peter Barada  <peter@the-baradas.com>
8595
8596         PR middle-end/16719
8597         PR middle-end/18421
8598         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8599         in address registers.
8600         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8601         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8602         alternative of addsi3_5200.
8603
8604 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8605
8606         * config/mips/mips.md (ffs<mode>2): Remove.
8607
8608 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8609
8610         * doc/tree-ssa.texi (Cleanups): Improve description of
8611         TRY_FINALLY_EXPR.
8612         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8613
8614 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8615
8616         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8617         * tree.h (DECL_ARGUMENT_FLD): New macro.
8618
8619 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8620
8621         Fix PR tree-optimization/22404
8622
8623         * tree-ssa-structalias.c (create_variable_info_for): Use
8624         correct offset.
8625
8626 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8627
8628         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8629         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8630         for second comparison operand.
8631         * config/bfin/predicates.md (reg_or_const_int_operand): New.
8632
8633         * config/bfin/bfin.md (define_attr "type"): Add "sync".
8634         (define_insn_reservation "alu"): Likewise.
8635         (csync, ssync): Now of type sync.
8636         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8637         -mcsync-anomaly -mspecld-anomaly.
8638         * config/bfin/bfin.opt (mcsync): Remove.
8639         (mcsync-anomaly, mspecld-anomaly): Add.
8640         * config/bfin/bfin.c: Include "insn-codes.h".
8641         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8642         (TARGET_DEFAULT_TARGET_FLAGS): New.
8643         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8644
8645 2005-07-11  Steven Bosscher  <stevenb@suse.de>
8646
8647         * basic-block.h: Give the BB flags enum a name, bb_flags.
8648         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8649         * cfgcleanup.c (enum bb_flags): Remove here.
8650         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8651         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8652         (update_forwarder_flag): Likewise.
8653         (thread_jump): Likewise.
8654         (try_forward_edges): Likewise.
8655         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
8656         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
8657         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8658
8659 2005-07-11  Richard Guenther  <rguenther@suse.de>
8660
8661         * config/i386/i386.opt: New target option -msseregparm.
8662         * config/i386/i386.c (override_options): Error out for
8663         -msseregparm but no SSE support.
8664         (ix86_function_sseregparm): Check for global sseregparm.
8665         * doc/invoke.texi: Document -msseregparm.
8666
8667 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8668
8669         * config.gcc (m32r-*-linux*): Use the default extra_parts.
8670         (m32rle-*-linux*): Ditto.
8671
8672 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
8673
8674         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8675         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8676         bytes.
8677
8678 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8679
8680         PR middle-end/22239
8681         PR target/20126
8682         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8683         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8684
8685 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
8686
8687         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8688         (varmap): Heapify varmap.
8689         (constraints): Heapify constraints.
8690         (struct constraint_graph): Heapify succs and preds.
8691         (constraint_vec_find): Update for heapification.
8692         (constraint_set_union): Ditto.
8693         (insert_into_complex): Ditto.
8694         (constraint_edge_vec_find): Ditto.
8695         (erase_graph_self_edge): Ditto.
8696         (add_graph_edge): Ditto.
8697         (get_graph_weights): Ditto.
8698         (merge_graph_nodes): Ditto.
8699         (build_constraint_graph): Ditto.
8700         (topo_visit): Ditto.
8701         (solve_graph): Ditto.
8702         (create_variable_info_for): Ditto.
8703         (init_base_vars): Ditto.
8704         (delete_points_to_sets): Free graph, varmap, and complex constraints.
8705         (condese_varmap_nodes): Free complex vector.
8706         (clear_edges_for_node): Clear succs and preds vector.
8707
8708 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8709
8710         * tree-ssa-structalias.c (update_alias_info): Change counting of
8711         references to not include vdefs.
8712
8713 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8714
8715         * tree-ssa-alias.c (free_used_part_map): Add missing free.
8716         (up_insert): Ditto.
8717
8718 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8719
8720         * pa.c (pa_commutative_p): Make PLUS commutative when
8721         TARGET_NO_SPACE_REGS is true.
8722
8723 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8724
8725         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8726         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8727         * tree-dfa.c (dump_subvars_for): New.
8728         (debug_subvars_for): New.
8729         (dump_variable): Show subvariables if VAR has them.
8730         * tree-flow-inline.h (get_subvar_at): New.
8731         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8732         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8733         Update all users.
8734         (struct subvar): Change fields offset and size to unsigned
8735         HOST_WIDE_INT.
8736         (dump_subvars_for): Declare.
8737         (debug_subvars_for): Declare.
8738         (get_subvar_at): Declare.
8739         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8740         to unsigned HOST_WIDE_INT *.
8741         (overlap_subvar): Likewise.
8742         * tree-gimple.c (is_gimple_reg): Always return false for
8743         SFTs and memory tags.
8744         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8745         Update all callers.
8746         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8747         (compute_may_aliases): Call compute_points_to_sets.
8748         (collect_points_to_info_for): Remove.
8749         (compute_points_to_and_addr_escape): Remove.
8750         (delete_alias_info): Call delete_points_to_sets.
8751         (compute_flow_sensitive_aliasing): If the call to
8752         find_what_p_points_to returns false, call set_pt_anything.
8753         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8754         (set_pt_anything): Clear pi->pt_vars.
8755         (set_pt_malloc): Remove.
8756         (merge_pointed_to_info): Remove.
8757         (add_pointed_to_expr): Remove.
8758         (add_pointed_to_var): Remove.
8759         (collect_points_to_info_r): Remove.
8760         (is_escape_site): Make extern.
8761         (create_sft): New.
8762         (create_overlap_variables_for): Call it.
8763         * tree-ssa-copy.c (merge_alias_info): Never merge
8764         flow-sensitive alias information.
8765         * tree-ssa-operands.c (get_expr_operands): Adjust variables
8766         offset and size to be unsigned HOST_WIDE_INT.
8767         (add_to_addressable_set): Rename from note_addressable.
8768         Set TREE_ADDRESSABLE as the variables are added to the set.
8769         Update all users.
8770         (add_stmt_operand): Do not try to micro-optimize unmodifiable
8771         operands into VUSEs when adding V_MAY_DEFs for members in an
8772         alias set.
8773         * tree-ssa-operands.h (add_to_addressable_set): Declare.
8774         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8775         (struct variable_info): Add bitfield is_heap_var.
8776         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8777         (new_var_info): Initialize is_heap_var.
8778         (get_constraint_for): Add HEAP variables to the symbol table.
8779         Mark them with is_heap_var.
8780         (update_alias_info): New.  Taken mostly from the old
8781         compute_points_to_and_addr_escape.
8782         (handle_ptr_arith): New.
8783         (find_func_aliases): Call update_alias_info.
8784         Call handle_ptr_info for tcc_binary expressions.
8785         Call mark_stmt_modified.
8786         (create_variable_info_for): If DECL has subvars, do not create
8787         variables for its subvars.  Always add all the fields.
8788         (set_uids_in_ptset): If the solution includes ANYOFFSET and
8789         SFTs, then add all the SFTs of the structure.
8790         If VI->DECL is an aggregate with subvariables, add the SFT at
8791         VI->OFFSET.
8792         (find_what_p_points_to): If VI is an artificial variable,
8793         translate to bitfields in SSA_NAME_PTR_INFO.
8794         If the solution is empty, set pi->pt_vars to NULL
8795         (init_base_vars): Create ANYOFFSET.
8796         (compute_points_to_sets): Rename from create_alias_vars.
8797         Make extern.
8798         (pass_build_pta): Remove.
8799         (delete_points_to_sets): Rename from delete_alias_vars.
8800         (pass_del_pta): Remove.
8801         * tree-ssa-structalias.h (struct alias_info): Move from
8802         tree-ssa-alias.h.
8803         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8804         NUM_REFERENCES_SET): Likewise.
8805         (compute_points_to_sets, delete_points_to_sets): Declare.
8806
8807 2005-07-09  Richard Henderson  <rth@redhat.com>
8808
8809         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8810         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8811         alpha_split_lock_test_and_set_12): New functions.
8812         * config/alpha/alpha-protos.h: Update.
8813         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8814         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8815         * config/alpha/sync.md (I12MODE): New.
8816         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8817         (sync_<fetchop_name><I48MODE>): Likewise.
8818         (sync_nand<I48MODE>): Likewise.
8819         (sync_old_<fetchop_name><I48MODE>): Likewise.
8820         (sync_new_<fetchop_name><I48MODE>): Likewise.
8821         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8822         (sync_compare_and_swap<I48MODE>): Likewise.
8823         (sync_lock_test_and_set<I48MODE>): Likewise.
8824         (sync_compare_and_swap<I12MODE>): New.
8825         (sync_compare_and_swap<I12MODE>_1): New.
8826         (sync_lock_test_and_set<I12MODE>): New.
8827         (sync_lock_test_and_set<I12MODE>_1): New.
8828
8829 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8830
8831         PR 21356
8832         PR 22332
8833         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8834
8835 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
8836
8837         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8838         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8839
8840 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
8841
8842         PR target/21656
8843         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8844
8845 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
8846
8847         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8848         memory_operand constraint.
8849         (store_conditional_<mode>): Same.
8850         (sync_compare_and_swap<mode>): Same.
8851         (sync_lock_test_and_set<mode>): Same.
8852
8853 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
8854
8855         Rewrite PIC support to more closely model actual instructions.
8856         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8857         (cris_symbol): Remove prototypes for removed functions.
8858         (cris_pic_symbol_type_of, cris_valid_pic_const)
8859         (cris_expand_pic_call_address): Prototypes for new functions.
8860         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8861         variable.
8862         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8863         modifiers.
8864         <case ':'>: Add case for new punctuation character.
8865         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8866         emitting (extra) PIC modifier.
8867         <case UNSPEC>: Do not assert for PLT.
8868         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8869         (cris_expand_prologue, cris_expand_epilogue): Check
8870         for pic_offset_table_rtx usage instead of taking
8871         current_function_uses_pic_offset_table as the final word.
8872         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8873         Remove flag_pic difference.
8874         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8875         the moral equivalents of...
8876         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8877         functions.
8878         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8879         (cris_handle_option): Mark ARG as unused.
8880         (cris_expand_pic_call_address): New worker function for "call",
8881         "call_value".
8882         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8883         output PIC constructs here.
8884         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8885         as symbol-specific modifers, not whole or part of operands.
8886         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8887         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8888         constants and flag_pic.
8889         (CONSTANT_INDEX_P): Adjust for new functions.
8890         (enum cris_pic_symbol_type): New helper type.
8891         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8892         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8893         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8894         define_constants.
8895         ("movsi"): Emit actual instructions for GOT and relative access.
8896         ("*movsi_got_load"): New pattern to set up the register holding
8897         the GOT pointer.
8898         ("*movsi_internal"): Operand 1 is not a plain general_operand.
8899         Adjust FIXME for 'S'.
8900         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8901         Use "movs" for -fpic cases.
8902         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8903         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8904         ("call", "call_value"): Just call cris_expand_pic_call_address for
8905         PIC addresses.
8906         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8907         Remove special pattern.
8908         ("*expanded_call_side", "*expanded_call_value_side"): New
8909         patterns.
8910         (gotplt-to-plt, gotplt-to-plt-side-call)
8911         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8912         peephole2:s.
8913         * config/cris/cris/predicates.md
8914         ("cris_general_operand_or_gotless_symbol"): Remove unused
8915         predicate.
8916         ("cris_general_operand_or_symbol"): Adjust for new functions.
8917
8918 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8919
8920         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8921
8922 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
8923
8924         * Makefile.in (TREE_H): Add treestruct.def.
8925         (c-decl.o): Add pointer-set.h
8926         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8927         visibility on regular DECL's.
8928         (merge_decls): Fix the copying of decl nodes of various types for
8929         the new structures.  Don't update RTL, section name, weak status,
8930         etc, on DECL's without RTL.
8931         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8932         Don't check volatile on non-variable types.
8933         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8934         to check whether we have seen arguments.
8935         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8936         flag is checked before field (flag is common, field is not).
8937         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
8938         TS_DECL_COMMON could have an origin.
8939         (add_location_or_const_value_attribute): Don't check section name
8940         on non-var/function decls.
8941         (dwarf2out_var_location): Reverse order of tests.
8942         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8943         with DECL_WRTL_CHECK.
8944         * expmed.c (make_tree): rtl is now in decl_with_rtl.
8945         * fold-const.c (fold_binary): Don't check weakness on
8946         non-var/function decls.
8947         (tree_expr_nonzero_p): Ditto.
8948         (fold_checksum_tree): Use tree_decl_extra as sizeof
8949         buffer.
8950         * ggc-page.c (extra_order_size_table): Add sizes for
8951         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
8952         tree_field_decl.
8953         * gimplify.c (gimplify_bind_expr): Only set
8954         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8955         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8956         without RTL.
8957         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8958         * langhooks.h (init_ts). New langhook.
8959         * passes.c (rest_of_decl_compilation): Reverse order of tests.
8960         * print-tree.c (print_node): Update to only print fields that
8961         exist in the structures the passed decl has.
8962         * toplev.c (wrapup_global_declarations): Don't reset
8963         DECL_DEFER_OUTPUT on DECL's that don't contain it.
8964         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8965         * tree-inline.c (remap_decl): Ditto.
8966         * tree-outof-ssa.c (create_temp): Reverse order of tests.
8967         * tree-pretty-print.c (print_declaration): Don't print
8968         DECL_REGISTER on things that don't contain it.
8969         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8970         non-var/function decls.
8971         * tree.c (tree_contains_struct): New structure.
8972         (init_priority_for_decl): New hashtable.
8973         (tree_int_map): New structure.
8974         (tree_int_map_eq): New function.
8975         (tree_int_map_marked_p): Ditto.
8976         (tree_int_map_hash): Ditto.
8977         (tree_map): Move to tree.h.
8978         (tree_map_eq): Externalize.
8979         (tree_map_hash): Ditto.
8980         (tree_map_marked_p): Ditto.
8981         (init_ttree): Set up tree_contains_struct and call langhook.
8982         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8983         (tree_code_size): Update for new structures.
8984         (tree_node_structure): Update for new structures.
8985         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8986         without the field.
8987         (copy_node_stat):  Copy init priority.
8988         (build_decl_stat): Ditto for visibility.
8989         (ts_enum_names): New.
8990         (tree_contains_struct_check_failed): New function.
8991         (decl_init_priority_lookup): Ditto.
8992         (decl_init_priority_insert): Ditto.
8993         * treestruct.def: New file.
8994         * tree.h (CODE_CONTAINS_STRUCT): New macro.
8995         (CONTAINS_STRUCT_CHECK): Ditto.
8996         (tree_contains_struct_check_failed): New prototype.
8997         (DECL_CHECK): Removed.
8998         (DECL_MINIMAL_CHECK): New.
8999         (DECL_COMMON_CHECK): Ditto.
9000         (DECL_WRTL_CHECK): Ditto.
9001         (DECL_NON_COMMON_CHECK): Ditto.
9002         (DECL_WITH_VIS_CHECK): Ditto.
9003         (VAR_OR_FUNCTION_DECL_P): Ditto
9004         (struct tree_decl_minimal): New structure.
9005         (struct tree_decl_common): Ditto.
9006         (struct tree_decl_with_rtl): Ditto.
9007         (struct tree_decl_with_vis): Ditto.
9008         (struct tree_decl_non_common): Ditto.
9009         (struct tree_field_decl): Ditto.
9010         (struct tree_parm_decl): Ditto.
9011         (struct tree_var_decl): Ditto.
9012         (struct tree_function_decl): Ditto.
9013         (struct tree_const_decl): Ditto.
9014         (struct tree_result_decl): Ditto.
9015         (union tree_node): Add new structures.
9016         * var-tracking.c (track_expr_p): Reverse order of tests.
9017
9018         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9019
9020 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9021
9022         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9023         * system.h: Poison FINALIZE_PIC.
9024         * doc/tm.texi (FINALIZE_PIC): Remove.
9025
9026 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9027
9028         PR tree-opt/22329
9029         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9030         to the correct type if we have a MODIFY_EXPR.
9031
9032 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9033
9034         PR tree-optimization/22360
9035         * tree.c (upper_bound_in_type): Fix calculations for casting
9036         to a non-wider signed type and casting a signed value to a
9037         wider unsigned type.
9038         (lower_bound_in_type): Fix calculations for casting to a
9039         non-wider signed type.
9040
9041         PR tree-optimization/20139
9042         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9043         release_defs.
9044         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9045         fold_cond_expr_cond.
9046         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9047         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9048
9049 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9050
9051         PR tree-opt/22356
9052         * tree-complex.c (expand_complex_libcall): Produce
9053         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9054
9055 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9056
9057         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9058         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9059         b" assert and inserted fastpath code for this case.
9060         (bitmap_ior): Removed "a != b" assert.
9061
9062 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9063
9064         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9065         (ENDFILE_SPEC): Likewise.
9066         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9067
9068         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9069         a large stack frame at epilogue.
9070
9071 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9072
9073         * final.c: Include sdbout.h when required.
9074
9075 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9076
9077         * config.gcc (*-*-darwin*): Only one target-specific header file
9078         for generic darwin.
9079         (powerpc-*-darwin*): Add version-specific header files.
9080         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9081         * config.in: Regenerate.
9082         * configure: Regenerate.
9083         * gcc.c: Include xregex.h.
9084         (version_compare_spec_function): New.
9085         (spec_function): Add version-compare.
9086         (replace_outfile_spec_function): Reformat comment.
9087         (compare_version_strings): New.
9088         * config/darwin-c.c (version_as_macro): New.
9089         (builtin_define): New.
9090         (darwin_cpp_builtins): New.
9091         * config/darwin-protos.h (darwin_cpp_builtins): New.
9092         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9093         (LIB_SPEC): Make unconditional, update comment.
9094         (TARGET_C99_FUNCTIONS): Define.
9095         * config/darwin.opt: Sort.
9096         (mmacosx-version-min=): New.
9097         * config/darwin7.h: Delete.
9098         * config/darwin8.h: Delete.
9099         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9100         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9101         (TARGET_C99_FUNCTIONS): Define.
9102         * config/rs6000/darwin7.h: New.
9103         * config/rs6000/darwin8.h: New.
9104         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9105         (-mmacosx-version-min): Document.
9106
9107 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9108
9109         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9110
9111 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9112
9113         PR middle-end/22239
9114         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9115
9116 2005-07-07  Khem Raj  <kraj@mvista.com>
9117
9118         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9119         in bytes, not words.
9120
9121 2005-07-07  Paul Brook  <paul@codesourcery.com>
9122
9123         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9124         DEFAULT_FUNCTION_ARG_PADDING to upward.
9125
9126 2005-07-07  Richard Henderson  <rth@redhat.com>
9127
9128         * function.c (locate_and_pad_parm): Record parameter alignment in
9129         stack_alignment_needed.
9130
9131 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9132
9133         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9134         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9135         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9136         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9137         (define_attr "type"): Add isync, sync, load_l, store_c.
9138         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9139         Create scratch volatile MEM.
9140         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9141         sync.
9142         (load_locked_<mode>): New.
9143         (store_conditional_<mode>): New.
9144         (sync_compare_and_swap<mode>): Replace with splitter.
9145         (sync_lock_test_and_set<mode>): Replace with splitter.
9146         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9147         and UNSPECV_ISYNC.
9148         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9149         is ics.  Attribute isync.
9150         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9151         lwsync.
9152         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9153         and UNSPECV_SYNC_OP.
9154         (emit_unlikely_jump): New.
9155         (emit_load_locked): New.
9156         (emit_store_conditional): New.
9157         (rs6000_split_compare_and_swap): New.
9158         (rs6000_split_lock_test_and_set): New.
9159         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9160         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9161         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9162         rs6000_split_lock_test_and_set): Declare.
9163         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9164         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9165         store_c, isync, sync.
9166
9167 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9168
9169         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9170         filenames to gtyp-gen.h.
9171         (s-typ-gen): Use it in place of for loops.
9172
9173 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9174
9175         * hooks.c (hook_bool_rtx_int_false): New function.
9176         * hooks.h (hook_bool_rtx_int_false): Declare.
9177         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9178         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9179         * target.h (struct gcc_target): Add commutative_p member.
9180         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9181         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9182         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9183         (pa_commutative_p): New function.
9184         * jump.c (target.h): Include.
9185         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9186         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9187
9188 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9189
9190         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9191         (s390_expand_setmem): New.
9192         * config/s390/s390.c: Likewise.
9193         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9194         Adapt comments.
9195         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9196         general_operand.  Call new function "s390_expand_setmem".
9197         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9198         ("setmem_long", "*setmem_long"): ... this.
9199
9200 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9201
9202         * config/s390/s390.c: (optimization_options): Enable
9203         TARGET_MVCLE at -Os.
9204         * doc/invoke.texi: Document changes in default behaviour.
9205         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9206
9207 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9208
9209         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9210         defined by back-end.
9211
9212 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9213
9214         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9215         all sets in the pattern.
9216         * config/rs6000/rs6000.md (stack_protect_testsi,
9217         stack_protect_testdi): Likewise.
9218
9219 2005-07-06  Jeff Law  <law@redhat.com>
9220
9221         * tree-vrp.c (simplify_using_ranges): Kill.
9222         (vrp_finalize): Remove call to simplify_using_ranges.
9223         (simplify_stmt_using_ranges): New function extracted from
9224         simplify_using_ranges.
9225         (simplify_div_or_mod_using_ranges): Likewise.
9226         (simplify_abs_using_ranges): Likewise.
9227         (simplify_cond_using_ranges): New function.
9228         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9229         * tree-ssa-propagate.c (substitute_and_fold): Call
9230         simplify_stmt_using_ranges if we have range information.
9231
9232 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9233
9234         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9235         ia64_flag_schedule_isns2.
9236
9237         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9238         reading/writing general registers.
9239         (ia64_function_arg): Revert 2005-06-18 change.
9240
9241 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9242
9243         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9244         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9245
9246 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9247
9248         * function.c (expand_function_end): Revert part of 2005-06-27
9249         patch.  Do sjlj_emit_function_exit_after after return_label.
9250
9251 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9252
9253         * doc/install.texi (--disable-libssp): New.
9254
9255 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9256
9257         * doc/invoke.texi: Update -fforce-mem documentation.
9258         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9259         code for -fforce-mem.
9260         * expmed.c: (store_bit_field,store_fixed_bit_field,
9261         extract_bit_field): Ditto.
9262         * expr.c: (convert_move): Ditto.
9263         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9264         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9265         emit_conditional_add,expand_float,expand_fix): Ditto.
9266         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9267         (common_handle_option): Issue warning when -fforce-mem specified.
9268
9269 2005-07-06  Paul Brook  <paul@codesourcery.com>
9270
9271         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9272         argument is empty.
9273         * configure: Regenerate.
9274
9275 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9276
9277         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9278
9279 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9280
9281         Fix PR tree-optimization/22319
9282         Fix PR tree-optimization/22140
9283         Fix PR tree-optimization/22310
9284
9285         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9286         variable sized types.
9287         Use correct type for intermediate structure on *a = *b structure
9288         copies.
9289
9290 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9291
9292         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9293         Remove.
9294         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9295         (machine_function): Move typedef to...
9296         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9297         varargs_save_offset field.
9298         (rs6000_stack_t): Remove varargs_size field.
9299         (setup_incoming_varargs): Allocate varargs save area using
9300         assign_stack_local, try to make it as small as possible.
9301         Save offset from virtual_stack_vars_rtx to the save area
9302         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9303         instead of magic 8 when fp word byte size is used.
9304         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9305         instead of -RS6000_VARARGS_SIZE.
9306         (rs6000_stack_info, debug_stack_info,
9307         rs6000_initial_elimination_offset): Remove all traces of
9308         varargs_size.
9309         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9310         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9311         RS6000_VARARGS_AREA.
9312
9313 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9314
9315         PR tree-optimization/21963
9316         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9317         constant_multiple_of in the same way get_computation_cost_at does.
9318
9319 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9320
9321         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9322         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9323         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9324         and return its previous value.
9325         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9326         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9327         constants.
9328         (stack_protect_set, stack_protect_test): New expanders.
9329         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9330         stack_protect_testdi): New insns.
9331         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9332         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9333
9334 2005-07-06  Jeff Law  <law@redhat.com>
9335
9336         * tree-ssa-dce.c (cfg_altered): New global.
9337         (tree_dce_init): Initialize cfg_altered.
9338         (remove_dead_stmt): If we remove an edge in the CFG, then set
9339         CFG_ALTERED.
9340         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9341         the dominators.
9342
9343 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9344
9345         * Makefile.in (stamp-collect-ld): Use
9346         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9347         ./collect-ld if it already exists.
9348         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9349         Don't remove ./nm if it already exists.
9350
9351 2005-07-05  Devang Patel  <dpatel@apple.com>
9352
9353         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9354         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9355         * tree-vectorizer.c (vect_loop_location): New.
9356         (vect_print_dump_info): Use vect_loop_location.
9357         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9358         (vectorize_loops): Set vect_loop_location.
9359         * tree-vect-analyze.c (vect_analyze_offset_expr,
9360         vect_determin_vectorization_factor, vect_analyze_operations,
9361         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9362         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9363         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9364         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9365         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9366         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9367         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9368         vect_analyze_loop): Adjust vect_print_dump_info API.
9369         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9370         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9371         vect_finish_stmt_generation, vectorizable_assignment,
9372         vectorizable_operation, vectorizable_store, vectorizable_load,
9373         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9374         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9375         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9376         vect_transform_loop): Same.
9377         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9378         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9379         Same.
9380
9381 2005-07-05  Randolph Chung  <tausq@debian.org>
9382
9383         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9384         * configure: Regenerate.
9385         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9386         (pa_tls_referenced_p): Declare.
9387         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9388         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9389         (legitimize_tls_address): New.
9390         (hppa_legitimize_address): Handle TLS addresses.
9391         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9392         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9393         (emit_move_sequence): Handle TLS addresses.
9394         (pa_encode_section_info): Call default handler to handle common
9395         sections.
9396         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9397         (CONSTANT_ADDRESS_P): Reject TLS operands.
9398         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9399         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9400         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9401         (UNSPEC_TLSLE): Define new constants.
9402         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9403         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9404         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9405         (tie_symbolic_operand, tle_symbolic_operand): New
9406
9407 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
9408
9409         * aclocal.m4: Update macros for autoconf 2.59 style.
9410         * configure.ac: Likewise.
9411
9412 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9413
9414         * pa.c (function_value): Handle small aggregates on 32-bit targets.
9415         (function_arg): Pass small aggregates in general registers on 32-bit
9416         targets.
9417         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9418
9419 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
9420
9421         * Makefile.in (final.o): Fix dependencies.
9422
9423 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9424
9425         PR c/22013
9426         PR c/22098
9427         * langhooks.h (struct lang_hooks): Add expr_to_decl.
9428         * langhooks.c (lhd_expr_to_decl): New.
9429         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9430         New.
9431         (LANG_HOOKS_INITIALIZER): Update.
9432         * tree.c (recompute_tree_invarant_for_addr_expr): Call
9433         expr_to_decl langhook.
9434         * c-tree.h (c_expr_to_decl): Declare.
9435         * c-typeck.c (c_expr_to_decl): New.
9436         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9437         specially.
9438         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9439
9440 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9441
9442         PR c/22308
9443         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9444         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9445
9446 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
9447
9448         * Makefile.in: Adjust dependencies.
9449         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9450         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9451         * alias.c (rest_of_handle_cfg, pass_cfg): New.
9452         * bb-reorder.c (duplicate_computed_gotos): Make it static.
9453         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9454         rest_of_compilation.
9455
9456         * bb-reorder.c (gate_duplicate_computed_gotos,
9457         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9458         rest_of_handle_reorder_blocks, pass_reorder_blocks,
9459         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9460         pass_partition_blocks): New.
9461         * bt-load.c (gate_handle_branch_target_load_optimize,
9462         rest_of_handle_branch_target_load_optimize,
9463         pass_branch_target_load_optimize): New.
9464         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9465         pass_jump2): New.
9466         * cfglayout.c (pass_insn_locators_initialize): New.
9467         * cfgrtl.c (pass_free_cfg): New.
9468         * combine.c (gate_handle_combine, rest_of_handle_combine,
9469         pass_combine): New.
9470         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9471         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9472         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9473         * except.c (pass_set_nothrow_function_flags,
9474         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9475         pass_rtl_eh): New.
9476         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9477         rest_of_handle_shorten_branches, pass_shorten_branches,
9478         rest_of_clean_state, pass_clean_state): New.
9479         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9480         rest_of_handle_remove_death_notes, pass_remove_death_notes,
9481         rest_of_handle_life, pass_life, rest_of_handle_flow2,
9482         pass_flow2): New.
9483         * function.c (pass_instantiate_virtual_regs, pass_init_function,
9484         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9485         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9486         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9487         pass_gcse): New.
9488         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9489         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9490         pass_rtl_ifcvt, gate_handle_if_after_combine,
9491         rest_of_handle_if_after_combine, pass_if_after_combine,
9492         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9493         pass_if_after_reload): New.
9494         * integrate.c (pass_initial_value_sets): New.
9495         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9496         pass_purge_lineno_notes): New.
9497         * mode-switching.c (rest_of_handle_mode_switching,
9498         pass_mode_switching): New.
9499         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9500         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9501         pass_loop2): New.
9502         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9503         pass_loop_optimize): New.
9504         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9505         pass_sms): New.
9506         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9507         pass_gcse2): New.
9508         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9509         pass_postreload_cse): New.
9510         * profile.c (gate_handle_profiling, pass_profiling,
9511         rest_of_handle_branch_prob, pass_branch_prob): New.
9512         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9513         pass_split_before_regstack, gate_handle_split_before_regstack,
9514         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9515         rest_of_handle_split_all_insns, pass_split_all_insns): New.
9516         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9517         pass_stack_regs): New.
9518         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9519         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9520         pass_stack_adjustments): New.
9521         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9522         pass_regrename): New.
9523         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9524         pass_delay_slots, gate_handle_machine_reorg,
9525         rest_of_handle_machine_reorg, pass_machine_reorg): New.
9526         * rtl.h (extern void purge_line_number_notes): New.
9527         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9528         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9529         pass_sched2): New.
9530         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9531         pass_tracer): New.
9532         * value-prof.c (gate_handle_value_profile_transformations,
9533         rest_of_handle_value_profile_transformations,
9534         pass_value_profile_transformations): New.
9535         * var-tracking.c (gate_handle_var_tracking,
9536         pass_variable_tracking): New.
9537         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9538
9539         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9540         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9541         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9542         rest_of_handle_old_regalloc, rest_of_handle_regrename,
9543         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9544         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9545         rest_of_handle_gcse2, rest_of_handle_regmove,
9546         rest_of_handle_tracer, rest_of_handle_if_conversion,
9547         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9548         rest_of_handle_web, rest_of_handle_branch_prob,
9549         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9550         rest_of_handle_jump_bypass, rest_of_handle_combine,
9551         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9552         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9553         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9554         rest_of_handle_mode_switching, rest_of_handle_jump,
9555         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9556         rest_of_handle_flow2, rest_of_handle_jump2,
9557         rest_of_handle_peephole2, rest_of_handle_postreload,
9558         rest_of_handle_shorten_branches, rest_of_clean_state,
9559         rest_of_compilation): Remove.
9560
9561         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9562         * passes.c (dump_flags, in_gimple_form, all_passes,
9563         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9564         register_dump_files, next_pass_1, last_verified, execute_todo,
9565         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9566         from tree-optimize.c.
9567         (init_optimization_passes): Moved from tree-optimize.c,
9568         adding the RTL optimizations.
9569         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9570         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9571         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9572         register_dump_files, next_pass_1, last_verified, execute_todo,
9573         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9574         init_tree_optimization_passes, ipa_passes): Delete.
9575         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9576         the RTL dumps.
9577         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9578         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9579         from tree.h.
9580         (ipa_passes): Remove.
9581         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9582         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9583         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9584         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9585         (dump_info_p, dump_flag): Moved to tree-dump.h.
9586
9587         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9588         cgraph.c, opts.c.
9589         * passes.c (finish_optimization_passes): Use dump_begin
9590         and dump_end, TDI_end.
9591         (gate_rest_of_compilation): New.
9592         (pass_rest_of_compilation): Use it.
9593         (gate_postreload, pass_postreload): New.
9594         * toplev.c (general_init): Rename init_tree_optimization_passes.
9595         * toplev.h (init_tree_optimization_passes): Rename to
9596         init_optimizations_passes.
9597         * tree-dump.c (dump_flag): Make static.
9598         (dump_files): Remove RTL dumps.
9599         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9600         pass_cleanup_cfg, pass_free_cfg_annotations,
9601         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9602         pass_init_datastructures, pass_fixup_cfg): Make non-static.
9603         * tree-pretty-print.c: Include tree-pass.h.
9604         * cgraph.c: Include tree-dump.h.
9605
9606 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9607
9608         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9609         Only fall back to saying it points to readonly memory if
9610         we can't do better.
9611
9612 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9613
9614         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9615         * config/m32r/m32r.c (m32r_compute_frame_size,
9616         m32r_expand_prologue): Take current_function_profile into
9617         account whenever we reference
9618         current_function_uses_pic_offset_table.
9619         (m32r_finalize_pic): Remove.
9620         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9621
9622 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
9623
9624         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9625         instead of $<.  Don't remove ./as if it already exists.
9626
9627 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9628
9629         PR target/21723
9630         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9631         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9632         for complex modes when generating code for PA 1.0.
9633         (VALID_FP_MODE_P): New macro.
9634         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9635         sets for all general and floating point modes.  Align wide floating
9636         point modes to even register boundaries to comply with architectural
9637         requirements.
9638         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9639         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9640         (VALID_FP_MODE_P): New macro.
9641         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9642         sets for all general and floating point modes.  Align wide floating
9643         point modes to even register boundaries to comply with architectural
9644         requirements.
9645
9646 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9647
9648         * tree-dump.c (dump_files): Initialize dump number for .cgraph
9649         to 0.
9650
9651 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9652
9653         * tree-ssa-structalias.c: Don't include expr.h.
9654
9655 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9656
9657         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9658         comments.
9659
9660 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9661
9662         Fix PR tree-optimization/22279
9663
9664         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9665         correct operator.
9666
9667 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
9668
9669         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9670
9671 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9672
9673         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9674         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9675         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9676         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9677         config/stormy16/stormy16.c, config/v850/v850.c,
9678         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9679         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9680         Avoid "." or "\n" at end of diagnostics and capital letters at
9681         start of diagnostics.
9682         * combine.c, cse.c: Don't translate dump file output.
9683         * toplev.c (print_version): Only translate output if going to
9684         stderr.
9685
9686 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9687
9688         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9689         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9690         typos.
9691
9692 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9693
9694         * pa.c (fix_range): Fix typo in comment.
9695
9696 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9697
9698         * tree-vrp.c (extract_range_from_assert): Replace
9699         fold (build (...)) with fold_build2.
9700
9701 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9702
9703         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9704         gcc_gfc_char_table, init_dynamic_gfc_info): New.
9705         (format_types_orig, handle_format_attribute): Add support for
9706         format "gcc_gfc".
9707
9708 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9709
9710         * varasm.c (assemble_variable): Fix format specifier thinko.
9711
9712 2005-07-03  Ira Rosen  <irar@il.ibm.com>
9713
9714         PR tree-optimization/22029 (and 22135)
9715         * tree-pretty-print.c (dump_generic_node): Check that the node is not
9716         a phi node before calling dump_vops.
9717
9718 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9719
9720         * tree-dump.h (dump_string_field): Declare.
9721         * tree-dump.c: Use it instead of dump_string.
9722         (dump_string_field): Make non-static.
9723
9724 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9725
9726         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9727         up the minimal CFG stuff always when optimize > 0.  Call
9728         split_all_insns_noflow in PIC case if needed.
9729
9730 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9731             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9732
9733         PR c++/18279
9734         * c-decl.c (c_write_global_declarations): Dump contents of
9735         external scope to.
9736         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9737         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9738         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9739         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9740         is enabled.
9741
9742 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9743
9744         * c-common.h (GCC_DIAG_STYLE): Define.
9745         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
9746         version for format checking to 4.1.
9747         * c-format.c: Include toplev.h after c-common.h.
9748         (enum format_type): Add gcc_tdiag_format_type.
9749         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9750         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9751         (format_types_orig): Add gcc_tdiag.
9752         (init_dynamic_diag_info): Support gcc_tdiag formats.
9753         (handle_format_attribute): Likewise.
9754         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9755         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
9756         version for format checking to 4.1.
9757         (warning0, warning, error, pedwarn, sorry): Use
9758         ATTRIBUTE_GCC_DIAG.
9759         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9760         (finish_aliases_1): Do not use %qE.
9761         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9762         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9763         Correct format bugs.
9764         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9765         parameter to unsigned HOST_WIDE_INT.
9766         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9767
9768 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
9769
9770         PR middle-end/21742
9771         * expr.c (write_complex_part): Use adjust_address for MEM.
9772         (read_complex_part): Same.
9773
9774 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
9775
9776         Fix PR tree-optimization/22280
9777
9778         * tree-sra.c (generate_element_init): Remove useless loop.
9779
9780 2005-07-02  Richard Henderson  <rth@redhat.com>
9781
9782         * config/alpha/alpha.c (alpha_legitimize_address): Check for
9783         TLS_MODEL_NONE.
9784         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9785
9786 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
9787
9788         PR middle-end/14490
9789         * fold-const.c (fold_binary): Handle the return value of
9790         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9791         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9792
9793 2005-07-02  Jeff Law  <law@redhat.com>
9794
9795         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9796         a eliminate type conversion which feeds an equality comparison
9797         if the original type or either operand in the comparison is a
9798         function pointer.
9799
9800 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
9801
9802         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9803         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9804         texts.
9805         * config/avr/avr.c: Do not use '`' as left quote.
9806         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9807         Remove "." from end of diagnostics.  Make diagnostics start with
9808         lowercase letter.
9809
9810 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
9811             Joseph S. Myers  <joseph@codesourcery.com>
9812
9813         * toplev.c (default_tree_printer): Handle setting location with
9814         '+' flag.
9815         * c-objc.common.c (c_tree_printer): Likewise.
9816         * c-format.c (gcc_diag_flag_specs): Add '+'.
9817         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9818         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9819         formats.
9820         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9821         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9822         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9823         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9824         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9825         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
9826         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
9827         format arguments where %J is used without %D.
9828
9829 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
9830
9831         * gcc.c (LINK_SSP_SPEC): Define.
9832         (link_ssp_spec): New variable.
9833         (LINK_COMMAND_SPEC): Add %(link_ssp).
9834         (static_specs): Add link_ssp_spec.
9835         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9836         * configure: Rebuilt.
9837         * config.in: Rebuilt.
9838
9839         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9840         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9841         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9842         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9843         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9844         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9845         -0x7008(2) instead of reading __stack_chk_guard variable.
9846         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9847         number.
9848         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9849         (stack_protect_set, stack_protect_test): Use *_tls* patterns
9850         if TARGET_THREAD_SSP_OFFSET is defined.
9851         (stack_tls_protect_set_si, stack_tls_protect_set_di,
9852         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9853
9854         Revert:
9855         2005-06-27  Richard Henderson  <rth@redhat.com>
9856         * libgcc-std.ver (GCC_4.1.0): New.
9857         * libgcc.h (__stack_chk_guard): Declare.
9858         (__stack_chk_fail, __stack_chk_fail_local): Declare.
9859         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9860         * mklibgcc.in (lib2funcs): Add them.
9861
9862 2005-07-01  Richard Henderson  <rth@redhat.com>
9863
9864         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9865         void * before struct sigcontext *.
9866         (x86_fallback_frame_state): Likewise.
9867
9868 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
9869
9870         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9871
9872 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9873
9874         PR tree-opt/22269
9875         * tree-ssa-reassoc.c (should_transpose): Fix which operand
9876         we check for SSA_NAME for.
9877
9878 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
9879
9880         Fix PR tree-optimization/22071
9881
9882         * tree-ssa-structalias.c (offset_overlaps_with_access): New
9883         function.
9884         (get_constraint_for_component_ref): Use it.
9885
9886 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9887
9888         PR other/22264
9889         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9890         print out the last new line.
9891
9892 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
9893
9894         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9895         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9896         * config/cris/cris.c (cris_conditional_register_usage): Adjust
9897         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9898         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9899         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9900         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9901         (enum reg_class): New member CC0_REGS.
9902         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9903         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9904         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9905         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9906         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9907         Adjust for register now described.
9908
9909 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
9910
9911         PR target/22262
9912         * config/i386/i386.md (stack_protect_test_si,
9913         stack_protect_test_di): Add earlyclobber for scratch 3.
9914         * config/rs6000/rs6000.md (stack_protect_testsi,
9915         stack_protect_testdi): Add earlyclobber for scratch 3,
9916         remove earlyclobber from scratch 4.
9917
9918 Older entries for 2005 can be found in ChangeLog-2005.