expmed.c (div_cost): Replace with...
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2
3         * expmed.c (div_cost): Replace with...
4         (sdiv_cost, udiv_cost): New.
5         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
6         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
7         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
8         (expand_divmod): Replace use of div_cost with either sdiv_cost
9         or udiv_cost depending upon the signedness of the operation.
10
11 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
12
13         PR libfortran/24991
14         * config/darwin.c (machopic_indirection_name,
15         machopic_output_indirection): Follow transparent alias chain.
16
17 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
18
19         * varasm.c (ultimate_transparent_alias_target): Add comment.
20
21 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
22
23         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
24         SET_SRC instead of XEXP where appropriate.
25
26 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
27
28         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
29         __builtin_expect.
30
31 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
32
33         * config/fp-bit.h (LSHIFT): Take shift count parameter.
34         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
35         bit at a time.
36
37 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
38
39         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
40         secondary_input_reload_class, made static.  Adapt to new
41         infrastructure.
42         (secondary_output_reload_class): Delete.
43         (TARGET_SECONDARY_RELOAD): New macro.
44         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
45         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
46
47 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
48
49         PR c++/21166
50         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
51         when its natural alignment is > BITS_PER_UNIT.
52         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
53         * c-common.c (handle_packed_attribute): Ignore packing on a field
54         whose type is naturally char aligned.
55
56 2005-11-28  Richard Guenther  <rguenther@suse.de>
57
58         * c-common.c (strict_aliasing_warning): Handle all
59         component-ref like accesses.
60
61 2005-11-28  Roger Sayle  <roger@eyesopen.com>
62             Uros Bizjak  <uros@kss-loka.si>
63
64         PR middle-end/20219
65         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize 
66         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
67         when flag_unsafe_math_optimizations is set and
68         we don't care about NaNs or Infinities.
69
70         Move x/expN(y) and x/pow(y,z) transformation into common
71         flag_unsafe_math_optimizations section.
72
73 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
74
75         * gcc.c (main): Change type of argv to "char **".
76
77 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
78
79         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
80         small data sections.
81         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
82         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
83         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
84         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
85         output locals to sbss if !rs6000_elf_in_small_data_p.
86         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
87
88 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
89
90         PR target/24997
91         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
92         generated by reload.
93         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
94         indexed_or_indirect_address.
95         (indexed_or_indirect_address): Don't test for base reg.  Call
96         address_operand last.  Make it a special predicate.
97
98 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
99
100         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
101
102 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
103
104         PR middle-end/24575
105         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
106         is undefined.
107         (negate_expr): Likewise.
108
109 2005-11-27  Andreas Schwab  <schwab@suse.de>
110
111         * config/m68k/m68k.c: Reindent and fix whitespace, remove
112         redundant parens.
113
114 2005-11-27  Steven Bosscher  <stevenb@suse.de>
115
116         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
117         has EH predecessor edges.
118
119 2005-11-26  Eric Christopher  <echristo@apple.com>
120
121         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
122         register stalls by zero extending to the full register.
123
124 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
125
126         * config/floatunsisf.c, config/floatunsidf.c,
127         config/floatunsixf.c, config/floatunsitf.c: New files.
128         * config/ia64/t-hpux: Add floatunsitf.c.
129         * config/ia64/ia64.c (ia64_init_libfuncs): Use
130         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
131
132 2005-11-26  Richard Henderson  <rth@redhat.com>
133
134         * c-lex.c (pragma_lex): Rename from c_lex.
135         * c-pch.c: Update for pragma_lex rename.
136         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
137         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
138         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
139         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
140         * doc/tm.texi: Likewise.
141
142 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
143
144         PR middle-end/23669
145         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
146         when overflow is undefined.
147
148 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
149
150         * doc/md.texi (Insn Canonicalizations): Refer to the
151         function commutative_operand_precedence for further rules.
152
153 2005-11-25  Roger Sayle  <roger@eyesopen.com>
154
155         PR middle-end/21309
156         * expmed.c (choose_mult_variant): Return immediately when mult_cost
157         is less than zero.  Limit mult_cost to a reasonable upper bound for
158         the synthetic multiplication sequence.
159
160 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
161
162         PR middle-end/25022
163         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
164         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
165         Lookup the explicit replacement functions for any unlocked
166         stdio builtin transformations.
167
168 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
169
170         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
171         earlyclobber.
172         * targhooks.c (default_secondary_reload): Don't require operand 2
173         for an input reload to be earlyclobber.
174
175 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
176
177         * fold-const.c (negate_mathfn_p): Fix comment and add support
178         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
179         BUILT_IN_ATANH.
180
181 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
182
183         PR middle-end/24998
184         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
185         _Q_ulltoq for unsigned conversions from SImode and DImode to
186         TFmode.
187
188 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
189
190         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
191         (__floatundidf, __floatundisf): Likewise.
192
193 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
194
195         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
196         (rs6000_override_options): Remove initialization of
197         rs6000_sr_alias_set.
198         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
199         (rs6000_emit_stack_tie): Same.
200         (emit_frame_save): Same.
201         (gen_frame_mem_offset): Same.
202         (rs6000_emit_prologue): Same.
203         (rs6000_emit_epilogue): Same.
204
205 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
206
207         PR middle-end/24989
208         * fold-const.c (fold_build): Convert bool_var != 1 and
209         bool_var == 0 to !bool_var.
210
211 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
212
213         PR middle-end/24990
214         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
215         for C being INTEGER_CST.  Likewise for !=.
216
217 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
218
219         PR middle-end/24998
220         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
221         unsigned conversions from SImode to TFmode.
222
223 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
224
225         * expr.c (expand_expr_real_1): Fix error in last change.
226
227 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
228
229         * caller-save.c: (this_insn_sets): Move into:
230         (save_call_clobbered_regs).
231         (mark_set_regs): Get this_insn_sets from data.
232
233         (save_call_clobbered_regs): Take sets of the return value by
234         sibcalls into account.
235
236 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
237         PR target/21623:
238
239         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
240         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
241         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
242         (memory_move_secondary_cost, init_reg_autoinc): Remove
243         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
244         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
245         secondary_reload_class call.
246         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
247         callers.
248         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
249         (push_secondary_reload): Use secondary_reload target hook.
250         (secondary_reload_class, scratch_reload_class): New functions.
251         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
252         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
253         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
254         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
255         (secondary_reload_class, scratch_reload_class): Declare.
256         * reload1.c: Include target.h.
257         (reload_adjust_reg_for_temp): New function.
258         (reload_adjust_reg_for_icode): Likewise.
259         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
260         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
261         call.
262         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
263         for inheritance.  Support case when both secondary & tertiary reloads
264         are for intermediate registers.
265         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
266         with secondary_reload_class call.  Support case when both secondary
267         & tertiary reloads are for intermediate registers.
268         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
269         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
270         * target.h (secondary_reload_info): New struct / typedef.
271         (struct gcc_target): New member secondary_reload.
272         * targhooks.c Include reload.h, optabs.h and recog.h.
273         (default_secondary_reload): New function.
274         * targhooks.h (default_secondary_reload): Declare.
275         * doc/tm.texi: Document secondary_reload target hook.  Update
276         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
277         * doc/md.texi: Likewise.
278
279         * sh-protos.h (sh_secondary_reload): Declare.
280         * sh.c (TARGET_SECONDARY_RELOAD): Override.
281         (sh_secondary_reload): New function.
282         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
283         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
284         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
285         (HAVE_SECONDARY_RELOADS): Define.
286         * sh.md (reload_indf): Rename to:
287         (reload_indf__frn).
288         (reload_outdf): Rename to:
289         (reload_outdf__RnFRm).
290         (reload_insf): Rename to:
291         (reload_insf__frn).
292         (reload_insi): Rename to:
293         (reload_insi__i_fpul).
294
295 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
296
297         * configure.ac: Require at least texinfo 4.4.
298         * configure: Regenerate.
299
300         * doc/install.texi (Tools/packages necessary for building GCC):
301         Update required version of texinfo to at least 4.4.
302         (Installing GCC: Building): Update required version of texinfo
303         to at least 4.4.
304         (Installing GCC: Final installation): Update required version
305         of texi2dvi to at least 4.4.
306         (Host/target specific installation notes for GCC): Update required
307         version of texinfo to at least 4.4.
308
309 2005-11-24  Richard Guenther  <rguenther@suse.de>
310         Dirk Mueller <dmueller@suse.de>
311
312         PR c++/14024
313         * c-common.h (strict_aliasing_warning): Declare.
314         * c-common.c (strict_aliasing_warning): New function,
315         split out from ...
316         * c-typeck.c (build_c_cast): ... here.
317
318 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
319
320         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
321         to order operands.
322         (swap_commutative_operands_with_target): New.
323
324 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
325
326         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
327         also when doing PRE, rather than only for global CPROP.
328
329 2005-11-24  Ben Elliston  <bje@au.ibm.com>
330
331         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
332         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
333         formatting.
334         (expand_twoval_unop): Likewise.
335         (widen_clz): Likewise.
336         (expand_parity): Likewise.
337         (expand_unop): Likewise.
338         (emit_cmp_and_jmp_insn_1): Likewise.
339         (prepare_float_lib_cmp): Likewise.
340
341 2005-11-24  Ben Elliston  <bje@au.ibm.com>
342
343         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
344         Remove unused `class' variable.
345
346 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
347
348         PR c++/21667
349         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
350         C/C++ diagnostic function warn_array_subscript_with_type_char.
351         * c-common.h (warn_array_subscript_with_type_char): Declare.
352         * c-common.c (warn_array_subscript_with_type_char): Define.
353
354 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
355
356         PR c/21668
357         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
358         compiling at the intersection of C and C++.
359
360 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
361
362         * doc/invoke.texi: For man pages, include gcc-vers.texi.
363         List @file in the option summary.  Include the libiberty
364         documentation for @file.
365         * gcc.c (main): Call expandargv.
366         * Makefile.in (gcc-vers.texi): Define srcdir.
367
368 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
369
370         * passes.c (init_optimization_passes): Document
371         sequencing of passes.
372
373 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
374
375         * config/m68k/predicates.md (pcrel_address, extend_operator,
376         post_inc_operand, pre_dec_operand): Remove redundant
377         conditionals.
378         (const_uint32_operand, const_sint32_operand): Use gcc_assert
379         instead of abort.
380         (valid_dbcc_comparison_p): Rewrite in the lisp style.
381
382 2005-11-23  Ben Elliston  <bje@au.ibm.com>
383
384         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
385
386 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
387
388         Preparatory work for PR target/21623:
389         * alpha.c (secondary_reload_class): Rename to:
390         (alpha_secondary_reload_class).
391         * alpha.h, alpha-protos.h: Likewise.
392         * mn10300.c (secondary_reload_class): Rename to:
393         (mn10300_secondary_reload_class).
394         * mn10300.h, mn10300-protos.h: Likewise.
395         * pa.c (secondary_reload_class): Rename to:
396         (pa_secondary_reload_class).
397         * pa.h, pa-protos.h: Likewise.
398         * rs6000.c (secondary_reload_class): Rename to:
399         rs6000_secondary_reload_class.
400         * rs6000.h, rs6000-protos.h: Likewise.
401
402 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
403
404         PR middle-end/22561
405         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
406
407 2005-11-22  Ian Lance Taylor  <ian@airs.com>
408
409         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
410         a mode_class.
411         (prepare_cmp_insn): Likewise.
412
413 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
414
415         PR target/23435
416         * m68k.md (zero_extendsidi2): Force operands[1] to a register
417         if both operands[0] and operands[1] are memory.
418
419 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
420
421         PR middle-end/23606
422         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
423         COMPARISON_CLASS_P and an integral types create create a new
424         expression with the new type and fold that.
425
426 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
427
428         PR target/24988
429         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
430         to SUBTARGET_OS_CPP_BUILTINS.
431
432 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
433
434         * arm.c (emit_set_insn): New function.
435         (arm_split_constant): Call it.
436         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
437         (arm_legitimize_address): Likewise.  Use plus_constant.
438         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
439         (thumb_expand_prologue): Likewise.
440         (arm_gen_load_multiple): Use VOIDmode in SET.
441         (arm_gen_store_multiple): Likewise.
442         (vfp_emit_fstmx): Likewise.  Use plus_constant.
443         (emit_multi_reg_push): Likewise.
444         (emit_sfm): Use plus_constant.
445
446 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
447
448         PR target/24954
449         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
450         typo last change.
451
452 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
453
454         PR middle-end/24950
455         * expmed.c (store_bit_field): Don't attempt to insv a field
456         larger than the reg.
457
458 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
459
460         PR target/24954
461         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
462         explicit sign extension, not a (char) cast.
463
464 2005-11-22  Ben Elliston  <bje@au.ibm.com>
465
466         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
467         GET_MODE_CLASS (x) == MODE_FLOAT.
468         * config/i386/i386.c: Likewise.
469         * config/rs6000/xcoff.h: Likewise.
470         * config/rs6000/linux64.h: Likewise.
471         * config/rs6000/rs6000.c: Likewise.
472         * config/rs6000/rs6000.h: Likewise.
473         * config/rs6000/predicates.md: Likewise.
474         * config/rs6000/sysv4.h: Likewise.
475
476 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
477
478         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
479         flag_pic is set.
480
481         * config/alpha/freebsd.h, config/alpha/linux.h,
482         config/arm/linux-elf.h, config/bfin/bfin.h,
483         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
484         config/i386/beos-elf.h, config/i386/gnu.h,
485         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
486         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
487         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
488         config/rs6000/linux64.h, config/rs6000/sysv4.h,
489         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
490         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
491         config/sparc/linux.h, config/sparc/linux64.h,
492         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
493
494         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
495         are both defined when either flag -fpic or -fPIC are used.
496
497 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
498
499         * config/fp-bit.c (clzusi): New function.
500         (si_to_float, usi_to_float): Use it to compute proper shift.
501         (usi_to_float): Preserve guard bits when shifting right.
502         * libgcc-std.ver (GCC_4.2.0): New version.
503         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
504         __floatundisf): New functions.
505         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
506         __floatundisf): Declare.
507         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
508         _floatundixf, and _floatunditf.
509         * optabs.c (expand_float): If target does not define a pattern for
510         signed or unsigned conversion, use an unsigned libcall instead of
511         a signed one.
512         (init_optabs): Initialize ufloat_optab.
513
514 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
515
516         * config/rs6000/rs6000.opt (mmulhw): New option.
517         * doc/invoke.texi (-mmulhw): Document.
518         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
519         for 405 and 440.
520         * config/rs6000/rs6000.md: Add half-word multiply and
521         multiply-accumulate instructions for 405 and 440.
522
523 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
524
525         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
526         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
527         default now includes a linker group which makes the RTEMS one nest.
528
529 2005-11-22  Ben Elliston  <bje@au.ibm.com>
530
531         * cse.c (fold_rtx): Typo fix.
532         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
533
534 2005-11-21  Richard Henderson  <rth@redhat.com>
535
536         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
537         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
538
539         * c-tree.h (lookup_name): Move declaration ...
540         * c-common.h (lookup_name): ... here.
541         * config/darwin-c.c: Include c-common.h.
542         * config/t-darwin: Update dependencies.
543
544 2005-11-22  Ben Elliston  <bje@au.ibm.com>
545
546         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
547         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
548         * genopinit.c (gen_insn): Likewise.
549         * reload.c (find_equiv_reg): Likewise.
550         * loop.c (load_mems): Likewise.
551         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
552         * cse.c (find_comparison_args, fold_rtx): Likewise.
553         * dwarf2out.c (add_const_value_attribute): Likewise.
554         * expr.c (convert_move): Likewise.
555         * recog.c (general_operand, register_operand): Likewise.
556         * reg-stack.c (replace_reg): Likewise.
557         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
558         * c-common.c (handle_vector_size_attribute): Likewise.
559         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
560         (simplify_binary_operation_1): Likewise.
561         (simplify_const_binary_operation): Likewise.
562         (simplify_relational_operation): Likewise.
563         (simplify_const_relational_operation): Likewise.
564         (simplify_immed_subreg): Likewise.
565         * emit-rtl.c (gen_lowpart_common): Likewise.
566         * expmed.c (expand_mult): Likewise.
567         * stor-layout.c (layout_type): Likewise.
568
569 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
570
571         PR target/24951
572         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
573         cst2 only for SPE vectors.
574
575 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
576
577         PR target/24953
578         * config/rs6000/predicates.md (vrsave_operation): Check
579         UNSPEC_VOLATILE value.
580
581 2005-11-21  Jan Hubicka  <jh@suse.cz>
582
583         PR tree-optimization/24653
584         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
585
586 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
587
588         * config/i386/predicates.md (ax_reg_operand): New predicate.
589         (memory_displacement_only_operand): New predicate.
590         * config/i386/i386.md ("modrm" attribute): Return 0 if one
591         operand is AX register and the other operand is memory operand
592         with displacement only.
593
594 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
595
596         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
597         if we don't care about NaNs or Infinities.
598
599 2005-11-20  Ian Lance Taylor  <ian@airs.com>
600
601         PR rtl-optimization/24883
602         * combine.c (combinable_i3pat): When checking whether the
603         destination of i3 is used in i3, consider paradoxical subregs.
604
605 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
606
607         PR middle-end/20583
608         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
609
610 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
611
612         * combine.c (try_combine): Do not run subst on i1src and i2src in
613         the case of generating a PARALLEL for a comparison.
614
615 2005-11-20  Richard Henderson  <rth@redhat.com>
616
617         PR 24931
618         * tree-sra.c (struct sra_elt): Add all_no_warning.
619         (struct sra_walk_fns) <use>: Add use_all argument.
620         (sra_walk_expr): Pass it.
621         (sra_walk_modify_expr): Likewise.
622         (scalarize_ldst): Likewise.
623         (scan_use): Update for new argument.
624         (mark_no_warning): New.
625         (scalarize_use): Use it.
626
627 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
628
629         * expr.c (expand_expr_real): Use usmul_optab for widening
630         signed * unsigned multiplies.
631         * genopinit.c (optabs): Add usmul_widen_optab.
632         * optabs.c (init_optabs): Likewise.
633         * optabs.h (enum optab_index): Add OTI_usmul_widen.
634         (usmul_widen_optab): Define.
635         * config/bfin/bfin.md (usmulhisi3): New pattern.
636
637         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
638
639 2005-11-20  Graham Stott <btinternet.com>
640
641         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
642
643 2005-11-20  Andreas Schwab  <schwab@suse.de>
644
645         PR target/24757
646         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
647         insn.
648
649 2005-11-19  Richard Henderson  <rth@redhat.com>
650
651         PR tree-opt/24665
652         * tree-gimple.c (is_gimple_id): Export.
653         * tree-gimple.h (is_gimple_id): Declare.
654         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
655         (get_default_value): Use it.
656         (maybe_fold_stmt_indirect): Likewise.
657
658 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
659
660         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
661         than VR1 or vice-versa.
662
663 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
664
665         PR middle-end/24912
666         PR middle-end/24750
667         * reload.c (find_reloads_address_1): Mention dependency on
668         gen_reload.
669         * reload1.c (gen_reload): For IN with an unary operation, try
670         moving inner expression to OUT if trivial SET is not valid.
671         Confirm that the result is valid.  Move common code block into...
672         (emit_insn_if_valid_for_reload): New function.
673
674 2005-11-19  Richard Guenther  <rguenther@suse.de>
675
676         * fold-const.c (fold_indirect_ref_1): Make sure we fold
677         ARRAY_REFs of constant strings.
678
679 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
680
681         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
682         fatal format string.
683
684 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
685
686         * combine.c (make_compound_operation): Swap operands of
687         commutative operation if necessary before returning.
688
689 2005-11-19  Richard Guenther  <rguenther@suse.de>
690
691         PR middle-end/23294
692         * fold-const.c (fold_plusminus_mult_expr): New function.
693         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
694         cases, remove now unnecessary code.
695
696 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
697
698         * gensupport.c (old_preds): Rename to std_preds, add special field.
699         (struct old_pred_table): Rename to struct std_pred_table, add special
700         field.
701         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
702         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
703         (init_predicate_table): Adjust, and set along the way whether a
704         predicate is special.
705
706 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
707
708         * BASE-VER: Change to 4.2.0.
709
710 2005-11-18  James E Wilson  <wilson@specifix.com>
711
712         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
713         returning it.
714
715 2005-11-18  Mike Stump  <mrs@apple.com>
716
717         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
718         * config/darwin-c.c (darwin_pragma_unused): Likewise.
719         * c-decl.c (lookup_name_two) Remove.
720         * c-tree.h (lookup_name_two): Remove.
721         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
722         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
723         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
724         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
725
726 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
727
728         PR target/24914
729         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
730         when not generating code to use that co-processor.
731
732 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
733
734         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
735         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
736         these functions are now in tree-phinodes.c.
737
738 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
739
740         * config/bfin/bfin.md (trap): New pattern.
741
742 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
743
744         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
745         on types.
746
747         * expr.c (expand_expr_real): Don't call record_block_change unless
748         ib_boundaries_block is non-null
749
750         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
751
752         * fold-const.c (build_range_check): Use proper type for subtraction
753         when merging lower bound.
754
755 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
756
757         PR rtl-optimization/24497
758         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
759         the copied insn.
760
761 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
762
763         * tree-scalar-evolution.c (expression_expensive_p): New function.
764         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
765
766 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
767
768         * config/bfin/crtlibid.s: New file.
769
770 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
771
772         PR target/24348
773         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
774         when not using sjlj exceptions.
775         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
776         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
777         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
778         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
779         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
780         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
781         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
782         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
783         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
784         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
785         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
786         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
787         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
788         defines.
789         * config/pa/hpux-unwind.h: New file.
790
791 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
792
793         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
794         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
795         * varasm.c (do_assemble_alias): Adjust call.
796         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
797         is defined.
798         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
799
800 2005-11-17  James E Wilson  <wilson@specifix.com>
801
802         * tree.def (FUNCTION_DECL): Correct typo in comment.
803
804 2005-11-17  Richard Henderson  <rth@redhat.com>
805
806         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
807         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
808         and DW_CFA_def_cfa_sf.
809         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
810         (dbx_reg_number): Don't assert particular registers here.
811         (based_loc_descr): ... do it here instead.  Fold in ...
812         (eliminate_reg_to_offset): ... this function.
813         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
814         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
815         * unwind-dw2.c (execute_cfa_program): Apply data align factor
816         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
817         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
818         (instantiate_virtual_regs): Likewise.
819         * var-tracking.c (adjust_stack_reference): Likewise.
820         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
821
822 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
823
824         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
825         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
826         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
827         crtlibid.o.
828         ($(T)crtlibid.o): New rule.
829
830 2005-11-16  Richard Guenther  <rguenther@suse.de>
831
832         PR middle-end/24851
833         * fold-const.c (extract_array_ref): Return byte offset
834         in all cases.
835         (fold_binary): Fold &x[a] CMP &x[b] to
836         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
837         behavior.
838
839 2005-11-16  Richard Henderson  <rth@redhat.com>
840
841         PR middle-end/23497
842         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
843         parts of an SSA_NAME.
844
845 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
846
847         PR target/24861
848         * arm.md (split for movsf with immediate): Restrict split to insns
849         that set a general register.
850
851 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
852
853         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
854         uw_update_context.
855         * unwind-dw2.c (uw_advance_context): Likewise.
856         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
857         _Unwind_SjLj_Unregister.
858         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
859
860 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
861
862         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
863
864 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
865
866         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
867         langhook to get a DImode integer type.
868
869 2005-11-16  Richard Henderson  <rth@redhat.com>
870             J"orn Rennecke <joern.rennecke@st.com>
871             Ulrich Weigand  <uweigand@de.ibm.com>
872
873         PR rtl-opt/24160
874         PR target/24621
875         * reload1.c (reg_equiv_invariant): New.
876         (reload): Allocate, initialize, and free it.
877         (calculate_needs_all_insns): Check it when skipping equivalence
878         setting insns.
879         (alter_reg): Likewise.
880         (eliminate_regs_1): Rename from eliminate_regs.  Add new
881         may_use_invariant argument; only use reg_equiv_invariant when true.
882         (eliminate_regs): New.
883         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
884         a context for which may_use_invariant may be true.
885
886 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
887
888         * fold-const.c (const_binop): Don't constant fold the operation
889         if the result has overflowed and flag_trapping_math.
890         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
891
892 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
893
894         * config/arm/unwind-arm.c (abort): Add prototype here.
895         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
896         (struct phase1_vrs): Add prev_sp.
897         (unwind_phase2_forced): Save the original core registers instead of
898         modifying entry_vrs.  Take a new flag argument for resuming unwinding
899         and set action flags accordingly.  Always set _US_END_OF_STACK when
900         get_eit_entry fails.  Unwind before calling the stop function.
901         (_Unwind_GetCFA): New function.
902         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
903         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
904         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
905         just call unwind_phase2_forced.
906         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
907         * config/arm/unwind-arm.h (abort): Remove prototype.
908         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
909         prototypes.
910         (_Unwind_GetCFA): New prototype.
911         * config/arm/pr-support.c (abort): Add prototype here.
912         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
913         forced unwinding.
914         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
915         not schedule the prologue with non-call exceptions and EABI.
916
917 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
918
919         * config/arm/unwind-arm.h: Reorder interface function declarations.
920         (_URC_END_OF_STACK): New enumeration value.
921         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
922         (struct _Unwind_Control_Block): Document reserved field use.
923         (_Unwind_Stop_Fn): New typedef.
924         (_Unwind_ForcedUnwind): Declare.
925         (_Unwind_Resume_or_Rethrow): Declare.
926         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
927         argument.  Adjust.
928         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
929         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
930         (UCB_FORCED_STOP_ARG): New.
931         (search_EIT_table): Update boundary condition checks.
932         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
933         (unwind_phase2): Replace for with do..while.
934         (unwind_phase2_forced): New.
935         (__gnu_Unwind_RaiseException): Replace for with do..while.
936         (__gnu_Unwind_ForcedUnwind): New.
937         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
938         Use appropriate phase2 unwinder.
939         (__gnu_Unwind_Resume_or_Rethrow): New.
940         (__gnu_unwind_pr_common): Cope with forced unwinding.
941
942 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
943
944         PR target/24772
945         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
946
947         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
948         roundsf2): Remove "s" from mnemonic.
949
950 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
951
952         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
953         __PIC__ is defined.
954         * config/bfin/crtn.s: Change epilogues to match.
955         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
956         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
957         __PIC__ and __pic__.
958
959 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
960
961         PR 24357
962         * doc/invoke.texi: Distinguish between free and fixed form instead of
963         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
964         languages.
965         * gcc.c (default_compilers): Remove double entries, add entries for
966         suffixes '.F90' and '.F95'.
967
968 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
969
970         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
971         in the stack probing loop.
972
973 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
974
975         * configure.ac: Use .machine power5 not power5x.
976         * configure: Regenerate.
977
978 2005-11-15  Mike Stump  <mrs@apple.com>
979
980         * c-decl.c (lookup_name_two): Add.
981         * c-tree.h (lookup_name_two): Likewise.
982         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
983         * config/darwin-c.c (darwin_pragma_unused): Likewise.
984
985 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
986
987         PR rtl-optimization/23392
988         * regrename.c (enum scan_actions) Add mark_access.
989         (scan_actions_name): Ditto.
990         (scan_rtx_reg): Handle mark_access.
991         (scan_rtx_address): Do nothing for mark_access.
992         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
993         and regs in REG_INC notes before closing chains for dead regs.
994         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
995         opening chains for new writes.
996
997 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
998
999         * c.opt (ffixed-line-length-none): New.
1000
1001 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
1002
1003         * mklibgcc.in: Change contents of eh_dummy.c.
1004
1005 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1006
1007         * loop.c (scan_loop): Do not insert temporaries for hard registers.
1008
1009 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1010
1011         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1012         of making syscalls.
1013         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
1014
1015 2005-11-15  Jan Hubicka  <jh@suse.cz>
1016
1017         * invoke.texi (large-unit-insns): Document.
1018         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1019         * params.def (large-unit-insns): New param.
1020
1021 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
1022
1023         PR target/24869
1024         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1025         special register for operand 3.  Reindent constraints to align
1026         them vertically.
1027
1028 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
1029
1030         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1031         -mpopcntb, -mfprnd. Add -mcpu=power5+.
1032         * configure.ac: Add test for FP rounding instructions.
1033         * configure: Regenerate.
1034         * config.in: Regenerate.
1035         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1036         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1037         features enabled.
1038         * config/rs6000/rs6000.opt (mfprnd): New.
1039         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1040         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1041         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1042         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1043         (TARGET_FPRND): New.
1044         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1045         UNSPEC_FRIZ): New.
1046         (btrunc<mode>2): New.
1047         (ceil<mode>2): New.
1048         (floor<mode>2): New.
1049         (round<mode>2): New.
1050
1051 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1052
1053         * gcc.c (version_compare_spec_function): Use fatal() rather than
1054         abort().
1055
1056         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1057         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1058         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1059         as empty.
1060         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1061         link in crt2.o.
1062
1063         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1064         on -mmacosx-version-min setting.
1065
1066 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1067
1068         PR 24840
1069         * tree-vrp.c (infer_value_range): Return false if STMT is a
1070         block terminator and its basic block has no successors.
1071
1072 2005-11-14  Mike Stump  <mrs@apple.com>
1073
1074         * config/i386/i386.c (override_options): -masm=intel isn't
1075         supported on darwin.
1076         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1077
1078 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1079
1080         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1081         vfork after including auto-host.h.
1082
1083 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1084
1085         PR rtl-optimization/22002
1086         * combine.c (distribute_notes): Detect cases where a reg dies
1087         two or more times in a bb, including on the insn we are combining,
1088         and place the death note on the correct range.
1089
1090 2005-11-14  Dale Johannesen  <dalej@apple.com>
1091
1092         * expmed.c (store_bit_field):  Add offset unconditionally for
1093         memory targets.
1094         (extract_bit_field):  Don't force extzv or extv operand into
1095         a register if field is too big.
1096
1097 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1098
1099         * config/arm/arm.c (pic_labelno): New.
1100         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1101         LABEL_REF.  Pass only the labelno to PIC insns.
1102         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1103         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1104         * arm.md (UNSPEC_PIC_LABEL): New constant.
1105         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1106         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1107         Use the correct label prefix.
1108
1109 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1110
1111         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1112         REQ_EQUIV note.
1113
1114 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1115
1116         * loop-invariant.c: Include tm_p.h.
1117         * Makefile.in: Updated.
1118
1119 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1120
1121         * pa.c (store_reg): Revise generation of frame notes in large frames.
1122         (set_reg_plus_d): Likewise.
1123
1124 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1125
1126         PR tree-optimization/24709
1127         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1128         loop check.
1129
1130 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1131
1132         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1133         and duplicate declaration of pthread_self.
1134
1135 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1136             Ian Lance Taylor  <ian@airs.com>
1137
1138         PR middle-end/24003
1139         * calls.c (expand_call): If TARGET is a MEM and some part of the
1140         argument area has been saved, force TARGET to a register.
1141
1142 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1143
1144         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1145         checking.
1146
1147 2005-11-13  Jason Merrill  <jason@redhat.com>
1148
1149         PR c++/22489
1150         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1151         lazily declared methods.
1152         (force_decl_die): Stop if forcing out the context already make a
1153         DIE for the decl.
1154         (force_type_die): Likewise.
1155
1156 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1157
1158         PR middle-end/24820
1159         * builtins.c (integer_valued_real_p): Add break in
1160         REAL_CST having TREE_OVERFLOW set.
1161
1162 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1163
1164         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1165         addressing modes during calculation of costs.
1166
1167 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1168
1169         * function.c (assign_stack_local_1): Restrict sanity check
1170         on frame size overflow to 32-bit and above platforms.
1171
1172 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1173
1174         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1175         * config/cris/cris.c: Include reload.h.
1176         (cris_initial_elimination_offset): New function.
1177         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1178         Prototype.
1179
1180 2005-11-12  Richard Guenther  <rguenther@suse.de>
1181
1182         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1183
1184 2005-11-12  Jan Hubicka  <jh@suse.cz>
1185
1186         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1187         to compare against 0 when possible.
1188
1189 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1190
1191         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1192         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1193         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1194         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1195         in the new order.
1196
1197 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1198
1199         * recog.c (constrain_operands) <case 'g'>: For a match, require
1200         that a non-register matches general_operand when strict >= 0.
1201
1202 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1203
1204         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1205         previous checkin.
1206
1207 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1208
1209         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1210         (memory_address_same): New.
1211         (dse_optimize_stmt): Call memory_address_same.
1212
1213 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1214
1215         PR middle-end/24750
1216         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1217         ZERO_EXTEND>: New cases.
1218
1219 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1220
1221         * longlong.h (__clz_tab): Always provide.
1222
1223 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1224
1225         PR 24265
1226         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1227         can be assigned to.
1228         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1229         before check_maybe_invariant.
1230         (move_invariant_reg): Use gen_move_insn instead of replacing
1231         SET_DEST with the temporary for the invariant.
1232         (move_loop_invariants): If checking is enabled, do internal
1233         consistency checks after completing the pass.
1234
1235 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1236
1237         PR 24644
1238         * common.opt (Wvolatile-register-var): New.
1239         * varasm.c (make_decl_rtl): Only emit warning when option
1240         specified.  Clarify warning message.
1241         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1242
1243         * doc/md.texi (copysign): Document standard named pattern.
1244
1245 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1246
1247         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1248         bytes when align is 2.
1249         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1250         by the first instruction of the loop.
1251
1252 2005-11-11  Jason Merrill  <jason@redhat.com>
1253
1254         PR c++/24686
1255         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1256         the cleanup list.
1257
1258 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1259
1260         PR rtl-optimization/22509
1261         * local-alloc.c (memref_used_between_p): Check whether a function call
1262         could not reference the memref.
1263
1264 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1265
1266         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1267         algorithm so as to choose the best, not the worst, alternative.
1268         Reset accumulated register class before processing next alternative.
1269
1270 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1271
1272         PR target/24445
1273         * calls.c (expand_call): Copy a return value to a plain register
1274         if needed.
1275
1276 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1277
1278         PR target/24778
1279         * varasm.c (assemble_name): Recompute name only for transparent
1280         aliases.
1281
1282 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1283
1284         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1285
1286 2005-11-04  Jeff Law  <law@redhat.com>
1287
1288         PR middle-end/23181
1289         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1290         perform reassociation if the parent statement will not die as
1291         a result of the optimization.
1292
1293 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1294
1295         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1296         delete_old_heap_vars.
1297         * tree-dfa.c (referenced_var_remove): Remove function.
1298         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1299         (delete_tree_ssa): Remove call to delete_old_heapvars.
1300         Add call to delete_alias_heapvars.
1301         * tree-flow.h (referenced_var_remove): Remove prototype
1302         (init_alias_heapvars): New prototype.
1303         (delete_alias_heapvars): Ditto.
1304         * Makefile.in (tree-ssa-structalias.o): Add
1305         gt-tree-ssa-structalias.o
1306         (GTFILES): Add tree-ssa-structalias.h and
1307         tree-ssa-structalias.c.
1308         (s-gtype): Add gt-tree-ssa-structalias.h.
1309         * tree-ssa-structalias.c (heapvars): Remove.
1310         (oldheapvars): Remove.
1311         (heapvar_for_stmt): New variable.
1312         (heapvar_lookup): New function.
1313         (heapvar_insert): Ditto.
1314         (get_constraint_for): See if we have an old heapvar
1315         to reuse.
1316         (init_alias_heapvars): New function.
1317         (delete_alias_heapvars): Ditto.
1318         Add include of gt-tree-ssa-structalias.h.
1319
1320 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1321
1322         PR middle-end/22127
1323         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1324
1325 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1326
1327         * tree.c (int_fits_type_p): Only look at the base type
1328         if it has the same precision as the original type.
1329
1330 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1331
1332         PR other/4372
1333         * varasm.c (assemble_alias): Use %q+D in the error
1334         message instead of %J and %qD.
1335
1336 2005-11-10  Richard Guenther  <rguenther@suse.de>
1337
1338         * gcse.c (free_ldst_entry): Only free hashtable if
1339         it exists.
1340
1341 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1342
1343         * function.c (assign_stack_local_1): Issue an error message if
1344         the frame size overflows in the signed target arithmetics.
1345
1346 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1347
1348         * tree.c (build_qualified_type): Chain the new type to the original
1349         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1350         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1351         (build_pointer_type_for_mode): Only return unqualified types.
1352         (build_reference_type_for_mode): Likewise.
1353
1354 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1355
1356         * Makefile.in (gnucompare): Do comparison of all files using one of
1357         the chosen methods and only afterwards decide if just warning should
1358         be issued or comparison failure raised.
1359
1360 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1361
1362         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1363         (noce_try_abs): Negate if the comparison is reversed.
1364         Look only one instruction backwards for a REG_EQUAL note.
1365
1366 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1367
1368         PR other/4372
1369         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1370         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1371         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1372         and prefix all uses with __ghtrw.
1373
1374 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1375
1376         PR other/4372
1377         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1378         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1379         * c-common.c (handle_weakref_attribute): New.
1380         (c_common_attribute_table): Add weakref.
1381         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1382         in the assembler.
1383         * configure, config.in: Rebuilt.
1384         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1385         * doc/extend.texi: Document weakref attribute.
1386         * varasm.c (ultimate_transparent_alias_target): New
1387         (assemble_name): Use it.
1388         (weak_finish_1): Split out of...
1389         (weak_finish): ... and deal with weakrefs in...
1390         (weakref_targets): ... new list.
1391         (globalize_decl): Clean up weakref_targets.
1392         (do_assemble_alias): Handle weakrefs.
1393         (finish_aliases_1): Do not reject weakrefs to external symbols.
1394         (assemble_alias): Handle weakrefs.
1395
1396 2005-11-09  Richard Guenther  <rguenther@suse.de>
1397
1398         PR tree-optimization/24716
1399         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1400         t_bool to track results from follow_ssa_edge.
1401
1402 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1403
1404         * final.c (force_source_line): New global variable.
1405         (final_scan_insn): Set it to true instead of clearing last_filename.
1406         (notice_source_line): Return true if force_source_line is true,
1407         unless source info is absent.
1408
1409 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1410
1411         PR c/24644
1412         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1413         a linkage name for a variable if it a register variable.
1414         * c-decl.c (grokdeclarator): Global register variables
1415         should be set as PUBLIC.
1416
1417 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1418
1419         PR 24624
1420         * config/s390/s390.c (struct s390_frame_layout): New fields
1421         first_save_gpr_slot and last_save_gpr_slot.
1422         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1423         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1424         first_save_gpr and last_save_gpr with the _slot variants.
1425         (s390_register_info): Calculate first_save_gpr_slot and
1426         last_save_gpr_slot using regs_ever_live.
1427
1428 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1429
1430         PR 24623
1431         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1432         for a function containing a landing pad.
1433
1434 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1435
1436         PR 24034
1437         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1438         is live afterwards.
1439
1440 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1441
1442         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1443         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1444
1445 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
1446
1447         Add ms2 support
1448         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1449         constants.
1450         (call,load,store): New insn types.
1451         (mem_access, branch_access): Adjust reservation conditions.
1452         (define_delay): Adjust condition.
1453         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
1454         type.
1455         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1456         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1457         insn type.
1458         (call_internal, call_value_internal, return_internal,
1459         return_interrupt_internal, eh_return_internal, indirect_jump,
1460         tablejump): Set call insn type.
1461         (blockage, ei, di): Use appropriate unspec const.
1462         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1463         (ms1_get_attr_type): Adjust to give load & store types.
1464         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
1465         backwards past a barrier.
1466         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
1467         branch scheduling.
1468         (struct branch_info, struct label_info): New.
1469         (ms1_labels): New.
1470         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1471         (ms1_machine_reorg): New.
1472         (TARGET_MACHINE_DEPENDENT_REORG): Override.
1473         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1474         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1475         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1476         (TARGET_MS2): New.
1477
1478 2005-11-09  Per Bothner  <per@bothner.com>
1479             Uros Bizjak  <uros@kss-loka.si>
1480
1481         PR c/24101
1482         * toplev.c (process_options): Initialize debug_hooks early
1483         in case lang_hooks.post_options ends up calling a debug_hook.
1484
1485 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
1486
1487         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1488         DBX_REGISTER_NUMBER being contiguous.
1489
1490 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
1491             Diego Novillo  <dnovillo@redhat.com>
1492
1493         PR 23046
1494         * tree-vrp.c (register_edge_assert_for): Do not register
1495         always-false predicates.
1496
1497 2005-11-08  Devang Patel <dpatel@apple.com>
1498
1499         PR tree-optimization/23115
1500         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1501         relation.
1502
1503 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
1504
1505         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1506         -mcpu=440.
1507
1508 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
1509
1510         Fix PR tree-optimization/23382
1511
1512         * tree-ssa-alias.c (compute_may_aliases): Call
1513         delete_old_heap_vars.
1514         * tree-dfa.c (referenced_var_remove): New function.
1515         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1516         * tree-flow.h (referenced_var_remove): Add prototype.
1517         (delete_old_heap_vars): Ditto.
1518         * tree-ssa-structalias.c (heapvars): New variable.
1519         (oldheapvars): Ditto.
1520         (get_constraint_for): Put heap vars on heapvars list.
1521         (delete_old_heap_vars): New function.
1522
1523 2005-11-08  Jason Merrill  <jason@redhat.com>
1524
1525         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1526
1527 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
1528
1529         PR target/19340
1530         * reg-stack.c (reg_to_stack): Update register liveness also
1531         for flag_sched2_use_traces.
1532
1533 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
1534
1535         PR target/23704
1536         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1537         override prior explicit -mno-powerpc-gfxopt.
1538
1539 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1540
1541         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1542         if the bitsize is zero.
1543         * doc/md.texi (Standard Pattern Names): Document it.
1544
1545         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1546         (TARGET_PASS_BY_REFERENCE): Likewise.
1547
1548 2005-11-07  Ian Lance Taylor  <ian@airs.com>
1549
1550         PR rtl-optimization/24683
1551         * config/i386/i386.c (legitimize_pic_address): If constant operand
1552         to PLUS is too large, put it in a register.
1553
1554 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
1555
1556         * configure.ac: Enable checking assembler dwarf2 support for bfin
1557         target.
1558         * configure: Regenerate.
1559
1560 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1561
1562         PR target/24230
1563
1564         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1565         gen_easy_vector_constant_add_self): Delete.
1566         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1567         New.
1568         (output_vec_const_move): Use gen_easy_altivec_constant.
1569         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1570         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1571         (easy_vector_constant_add_self): Rewritten.
1572         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1573         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1574         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1575         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1576         Macroize and adjust for the other changes.
1577
1578 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1579
1580         PR c/24599
1581
1582         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1583         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1584
1585 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1586
1587         PR rtl-optimization/23567
1588         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1589         (noce_process_if_block): Don't do any optimizations except
1590         if (cond) x = x; if !set_b and write into orig_x may trap
1591         or fault.  Remove the MEM_READONLY_P check.
1592
1593 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
1594
1595         PR 24670
1596         * tree-vrp.c (fix_equivalence_set): New.
1597         (extract_range_from_assert): Call it.
1598
1599 2005-11-05  Ian Lance Taylor  <ian@airs.com>
1600
1601         PR target/22432
1602         * combine.c (apply_distributive_law): Don't distribute across a
1603         vector mode subreg.
1604
1605 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
1606
1607         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1608         config/ms1/ms1.h, config/rs6000/predicates.md,
1609         config/s390/s390.c, params.def, postreload-gcse.c,
1610         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1611         tree-vrp.c, tree.c: Fix comment typos.
1612         * doc/invoke.texi: Fix typos.
1613
1614 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
1615
1616         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1617         for testing whether the data_dependence_relation contains distance
1618         vectors.  Iterate over all distance vectors of the ddr.
1619         * lambda.h: Define a vec of lambda_vector pointers.
1620         * tree-data-ref.c (dump_data_dependence_relation,
1621         dump_data_dependence_direction): Iterate over all distance and
1622         direction vectors of the ddr.
1623         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1624         DDR_DIST_VECTS.
1625         (build_classic_dist_vector, build_classic_dir_vector): Push a set
1626         of distance/direction vectors instead of a single one.
1627         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1628         lambda_vectors with a vec of lambda_vectors.
1629         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1630         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1631         DDR_NUM_DIST_VECTS): New.
1632         * tree-loop-linear.c (gather_interchange_stats): Test for the
1633         existence of distance vectors only after having checked that there
1634         is a dependence.  Iterate over all distance vectors of the ddr.
1635         (linear_transform_loops): Use dump_data_dependence_relation.
1636         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1637         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
1638         distance vectors of the ddr.
1639
1640 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1641
1642         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1643         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1644         IS_INTHANDLER; all callers changed.
1645         (n_regs_saved_by_prologue): Take interrupt handler attributes into
1646         account.
1647         (do_link, do_unlink): New argument ALL; all callers changed.
1648         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1649         If function isn't leaf, save and restore all registers.
1650         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1651         exception handler.
1652
1653 2005-11-05  Jan Hubicka  <jh@suse.cz>
1654
1655         PR rtl-optimization/23490
1656         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1657         max-flow-memory-location): Document.
1658         * flow.c: Include params.h
1659         (MAX_MEM_SET_LIST_LEN): Kill.
1660         (add_to_mem_set_list): Use new param.
1661         * cse.c (cse_basic_block): Replace 1000 by new param.
1662         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1663         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1664         * predict.c (predict_loops): Use new param.
1665         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1666
1667         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1668         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1669         Do not hold memory returned by cgraph_node_name across other call.
1670
1671 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
1672
1673         PR target/23424
1674         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1675         Disable.
1676
1677 2005-11-04  Jeff Law  <law@redhat.com>
1678
1679         PR/21883
1680         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1681         * tree-ssa-dom.c: Include params.h.
1682         (thread_across_edge): If there are too many statements in the
1683         target block, then do not thread through it.
1684         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1685         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1686
1687 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
1688
1689         PR 24627
1690         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1691         TODO_update_ssa instead of TODO_update_ssa_no_phi.
1692
1693 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
1694
1695         PR/18595
1696         * tree-scalar-evolution.c (instantiate_parameters_1,
1697         instantiate_parameters, resolve_mixers): Compute the size of an
1698         expression to be instantiated and give up the instantiation if the
1699         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1700
1701 2005-11-04  Richard Guenther  <rguenther@suse.de>
1702
1703         * tree-flow.h (ref_contains_indirect_ref): Rename to
1704         array_ref_contains_indirect_ref.
1705         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1706         (array_ref_contains_indirect_ref): Make comment match the code
1707         and vice-versa.
1708         (ref_contains_array_ref): Likewise.
1709         * tree-ssa-structalias.c (find_func_aliases): Remove call to
1710         ref_contains_indirect_ref.
1711         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1712         Rename calls to ref_contains_indirect_ref.
1713
1714 2005-11-04 Paul Brook  <paul@codesourcery.com>
1715
1716         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1717         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1718         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1719         * config/arm/arm.md: Use match_operand in peephole input templates
1720         and match_dup in peephole output templates.
1721
1722 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1723
1724         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1725         __aeabi_uidiv.
1726
1727 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
1728             Daniel Jacobowitz  <dan@codesourcery.com>
1729
1730         * longlong.h (add_ssaaaa): Clobber condition code register
1731         in ARM version.
1732         (sub_ddmmss): Likewise.
1733         (umul_ppmm): Likewise.
1734
1735 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1736             Paul Brook  <paul@codesourcery.com>
1737             Phil Blundell  <pb@reciva.com>
1738
1739         * configure.ac: Add test for ARM TLS support.
1740         * configure: Regenerated.
1741         * config/arm/arm-protos.h (legitimize_tls_address)
1742         (arm_tls_referenced_p, tls_mentioned_p)
1743         (arm_output_addr_const_extra): New prototypes.
1744         (thumb_legitimize_pic_address): Delete.
1745         * config/arm/arm.c: Include "gt-arm.h".
1746         (enum tls_reloc): New.
1747         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1748         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1749         (arm_call_tls_get_addr, legitimize_tls_address)
1750         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1751         (arm_init_tls_builtins, arm_emit_tls_decoration)
1752         (arm_output_addr_const_extra): New functions.
1753         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1754         (TARGET_HAVE_TLS): Define.
1755         (target_thread_pointer): New.
1756         (arm_override_options): Handle -mtp=.
1757         (legitimize_pic_address): Ignore UNSPECs.
1758         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1759         relative symbols.
1760         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1761         (tls_get_addr_libfunc): New variable.
1762         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1763         (arm_init_builtins): Call arm_init_tls_builtins.
1764         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1765         (arm_encode_section_info): Call default_encode_section_info.
1766         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1767         (enum arm_tp_type): New.
1768         (target_thread_pointer): Add declaration.
1769         (LEGITIMATE_CONSTANT_P): Handle TLS.
1770         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1771         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1772         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1773         * config/arm/arm.md: Add UNSPEC_TLS.
1774         (movsi): Handle TLS.
1775         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1776         non-PIC.
1777         (tls_load_dot_plus_eight): New insn and a peephole to create it.
1778         (load_tp_hard, load_tp_soft): New insns.
1779         * arm.opt: Add -mtp=.
1780         * doc/invoke.texi (ARM Options): Document -mtp.
1781
1782 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1783
1784         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1785         * config/arm/libunwind.S: Include "lib1funcs.asm".
1786         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1787         (LIB2ADDEH): Add libunwind.S.
1788         (LIB2ADDEHDEP): Add lib1funcs.asm.
1789         * mklibgcc.in: Handle asm files in libgcc_eh.a.
1790
1791 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1792
1793         PR fortran/18452
1794         * gcc/c.opt: Add a -lang-fortran option.
1795         * gcc/c-opts.c: Add a lang_fortran flag.
1796         (c_common_init_options): Handling the -lang-fortran option.
1797         (c_common_handle_option): Add a case for Fortran options in
1798         preprocessing. Remove cases for -ffixed-form and
1799         -ffixed-line-length. Add a case for -lang-fortran.
1800
1801 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
1802
1803         * config/rs6000/rs6000.c: Include params.h
1804         (optimization_options): Set max-grow-copy-bb-insns default to 16.
1805         (bdesc_2arg): Delete vpkuhss and vpkuwss.
1806         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1807         (UNSPEC_VPKUWSS): Delete.
1808         (altivec_vpkuhss): Delete.
1809         (altivec_vpkuwss): Delete.
1810         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1811         final condition.
1812         (neg_eq0<mode>): Remove final condition.
1813         (neg_eq<mode>): Remove condition and split-condition.
1814
1815 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
1816
1817         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1818         Use associated print macros.
1819
1820 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1821
1822         PR c++/17964
1823         * diagnostic.c (diagnostic_set_info_translated): New function.
1824         (diagnostic_set_info): Use it.  Add comment.
1825         * diagnostic.h (diagnostic_set_info_translated): Declare.
1826
1827 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1828
1829         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1830         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1831         reference only if 'public' is true.
1832         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1833         emit the .hidden directive only if the indirect reference is public.
1834         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1835         Pass it to dw2_force_const_mem.
1836         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1837         * dwarf2out.c (output_cfi): Adjust calls to above function.
1838         (output_call_frame_info): Likewise.
1839         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1840         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1841
1842 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
1843
1844         PR tree-optimization/24483
1845         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1846         field to elts if possible.
1847
1848 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1849
1850         PR middle-end/23155
1851         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1852         CONSTRUCTOR.
1853
1854 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
1855
1856         Fix PR tree-optimization/24351
1857
1858         * tree-ssa-structalias.c (struct variable_info): Add
1859         collapsed_into.
1860         (get_varinfo_fc): New function to follow collapsing.
1861         (new_var_info): Set collapsed_to to NULL.
1862         (dump_constraint): Follow collapsing.
1863         (build_constraint_graph): Handle collapsing.
1864         (do_simple_structure_copy): Return false if something bad
1865         happened.
1866         (collapse_rest_of_var): New function.
1867         (do_structure_copy): Collapse if do_simple_structure_copy returns
1868         false.
1869
1870 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1871
1872         PR middle-end/24589
1873         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1874         expressions to a statement list instead of gimplifying them.
1875
1876 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1877
1878         PR rtl-optimization/23585
1879         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1880         that can't trap plus a constant integer, if the mode has zero size.
1881
1882 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
1883
1884         PR target/24620
1885         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1886         as operand 2.
1887         ("*insv<mode>_reg_extimm"): Likewise.
1888
1889 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1890
1891         PR c/24329
1892         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1893         c_common_type_for_mode returns an unnamed type.
1894
1895 2005-11-02  Richard Henderson  <rth@redhat.com>
1896
1897         PR target/9350
1898         PR target/24374
1899         * dwarf2out.c (dwarf2out_reg_save_reg): New.
1900         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1901         * function.c (assign_parms): Use calls.internal_arg_pointer.
1902         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1903         code.
1904         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1905         (TARGET_CALLS): Add it.
1906         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1907         * targhooks.c (default_internal_arg_pointer): New.
1908         * targhooks.h (default_internal_arg_pointer): Declare.
1909         * tree.h (dwarf2out_reg_save_reg): Declare.
1910         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1911         * config/i386/i386.c (dbx_register_map): Add return column.
1912         (dbx64_register_map, svr4_dbx_register_map): Likewise.
1913         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1914         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1915         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1916         (ix86_save_reg): Save force_align_arg_pointer.
1917         (ix86_emit_save_regs): Make regno unsigned.
1918         (ix86_emit_save_regs_using_mov): Likewise.
1919         (ix86_expand_prologue): Handle force_align_arg_pointer.
1920         (ix86_expand_epilogue): Likewise.
1921         * config/i386/i386.h: (dbx_register_map): Update.
1922         (dbx64_register_map, svr4_dbx_register_map): Update.
1923         (struct machine_function): Add force_align_arg_pointer.
1924         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1925         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1926         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1927
1928 2005-11-02  Jan Hubicka  <jh@suse.cz>
1929
1930         PR target/23303
1931         * i386.md: Add peep2 for simplyfing array accesses.
1932
1933 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1934
1935         PR target/24615
1936         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1937         * config/s390/s390.c (s390_decompose_shift_count): New function.
1938         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1939         (print_shift_count_operand): Use s390_decompose_shift_count.
1940         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1941         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
1942
1943 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1944
1945         PR target/24600
1946         * loop.c (loop_givs_rescan): Use force_operand to expand
1947         complex GIVs.
1948
1949 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
1950
1951         PR 22429
1952         * fold-const.c (build_range_check): Use unsigned when signed
1953         overflow is undefined also.  If etype is subtype, make sure that
1954         the subtraction is in the supertype.
1955
1956 2005-11-02  Richard Henderson  <rth@redhat.com>
1957
1958         PR target/24178
1959         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1960         by MEM_ALIGN.
1961
1962 2005-11-01  Richard Henderson  <rth@redhat.com>
1963
1964         PR 21518
1965         * loop.c (scan_loop): Do not propagate computations to a hard
1966         register destination with SMALL_REGISTER_CLASSES.
1967
1968 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
1969
1970         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1971         costs for MULT inside PLUS or MINUS.
1972
1973 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
1974
1975         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1976         (TRAMPOLINE_SIZE): Round up to 60.
1977         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1978
1979 2005-10-31  James E. Wilson  <wilson@specifix.com>
1980
1981         PR debug/24444
1982         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1983         ifdef.  Put ifdefs around call in gen_subprogram_die.
1984         (compute_frame_pointer_to_cfa_displacement): Likewise.
1985         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1986         not defined.
1987
1988         PR rtl-optimization/17356
1989         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
1990         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1991
1992 2005-10-31  Jan Hubicka  <jh@suse.cz>
1993
1994         PR middle-end/24093
1995         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1996
1997         PR target/20928
1998         * i386.c (legitimize_pic_address): Deal with large immediates.
1999
2000         PR profile/20815
2001         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2002         from symbol names while computing checkup.
2003
2004         PR profile/24487
2005         * predict.c (predict_loops): Do not estimate more than
2006         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2007         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2008
2009 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
2010
2011         PR tree-optimization/19097
2012         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2013
2014 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
2015
2016         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2017
2018 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
2019
2020         PR middle-end/23492
2021         * tree-inline.c (setup_one_parameter): If the init_stmt
2022         is NULL, don't insert the statement.
2023
2024 2005-10-30  Jan Hubicka  <jh@suse.cz>
2025
2026         PR tree-optimization/24172
2027         * tree-inline.c (copy_body_r): Unshare the substituted value first.
2028
2029 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
2030
2031         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2032         constants for hosts with long != 32 bits.
2033
2034 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2035
2036         PR middle-end/24093
2037         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2038
2039 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2040
2041         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2042         (TARGET_MS1_16_002): New.
2043         (TARGET_MS1_16_003): New.
2044
2045         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2046         ("*decrement_and_branch_until_zero_no_clobber"): New.
2047         Add corresponding splitter for decrement_and_branch_until_zero
2048         instruction.
2049         Key all decrement_and_branch_until_zero patterns off of
2050         TARGET_MS1_16_003.
2051
2052 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2053
2054         PR middle-end/24362
2055         * tree-complex.c (extract_component): Treat RESULT_DECL
2056         like the rest of the decls.
2057
2058 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2059
2060         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2061         indirect call to _mcount if the function needs a static chain.
2062
2063 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2064             Caroline Tice  <ctice@apple.com>
2065
2066         PR rtl-optimization/24460
2067         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2068         (dwarf2out_switch_text_section): Set it to true instead of
2069         incrementing separate_line_info_table_in_use.
2070         (output_loc_list): Additionally test have_switched_text_sections.
2071         (output_ranges): Likewise.
2072         (dwarf2out_finish): Likewise.
2073         * varasm.c (assemble_start_function): Do not call
2074         insert_section_boundary_note.
2075         (assemble_end_function): If flag_reorder_blocks_and_partition,
2076         switch to the function's section before emitting the .size directive.
2077         * bb-reorder.c (insert_section_boundary_note): Staticify.
2078         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2079         * output.h (insert_section_boundary_note): Delete.
2080
2081 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2082
2083         PR c/23103
2084         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2085         instead of pointer equality when comparing types.
2086
2087 2005-10-24  James E. Wilson  <wilson@specifix.com>
2088
2089         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2090         add_dependence_list_and_free calls.
2091
2092 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2093
2094         * contrib.texi: Add the names of the LLNL folks who donated
2095         Cray pointer support for gfortran.
2096
2097 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2098
2099         PR tree-optimization/24225
2100         * profile.c (branch_prob): Look from end to start through a
2101         basic block when looking for a locus.
2102
2103 2005-10-24  Richard Henderson  <rth@redhat.com>
2104
2105         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2106         parallel.
2107         (hppa_expand_prologue): Likewise.
2108
2109 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2110
2111         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2112         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2113         * pa.h (NO_PROFILE_COUNTERS): Define.
2114         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2115         (funcdef_nos): New vector to hold label numbers of deferred profile
2116         counters.
2117         (output_deferred_profile_counters): New function.
2118         (hppa_profile_hook): Push label number onto funcdef_nos.
2119         (pa_hpux_file_end): Call output_deferred_profile_counters if
2120         NO_DEFERRED_PROFILE_COUNTERS is false.
2121
2122         * pa-protos.h (get_deferred_plabel): New prototype.
2123         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2124         Make global.
2125         (output_call): Adjust calls.
2126
2127 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2128
2129         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2130         peculiarity of GOT/TOC section usage.
2131
2132 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2133
2134         PR objc/24435
2135          * c-common.c (constant_string_class_name): Add documentation.
2136
2137 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2138
2139         PR target/23832
2140         * recog.c (peephole2_optimize): Increment peep2_current_count
2141         only when the slot is empty.
2142
2143 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2144
2145         PR ada/23957
2146         * except.c (output_function_exception_table): Call
2147         assemble_external_libcall if we need a personality function.
2148
2149 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2150
2151         PR rtl-optimization/24460
2152         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2153         set the basic block for barriers.
2154
2155 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2156
2157         * var-tracking.c (vt_initialize): Initialize post.
2158
2159 2005-10-21  Devang Patel  <dpatel@apple.com>
2160
2161         PR/24220
2162         * c-common.c (vector_types_convertible_p): Check vector element type.
2163
2164 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2165
2166         * config/sh/sh.c (prepare_move_operands): Handle the address
2167         constant which is a tls symbolic address plus a constant.
2168
2169 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2170
2171         PR driver/24473
2172         * gcc.c (main): Use the correct counter for erroring out
2173         about mulitple files.
2174
2175 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2176
2177         PR target/24465
2178         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2179         use r2 for 64-bit tls .got access.
2180
2181 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2182
2183         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2184         TRUTH_OR_EXPR.
2185
2186 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2187
2188         PR tree-optimization/24307
2189         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2190
2191 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2192
2193         PR middle-end/24295
2194         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2195         alias targets.
2196         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2197         is ready, stop marking functions, but still mark variables.
2198
2199 2005-10-20  Richard Guenther  <rguenther@suse.de>
2200
2201         PR c++/24439
2202         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2203         void type operands.
2204
2205 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2206
2207         PR rtl-optimization/23585
2208         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2209         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2210         (may_trap_p_1): New predicate extracted from...
2211         (may_trap_p): ... here.  Invoke may_trap_p_1.
2212         (may_trap_or_fault_p): New predicate.
2213         * rtl.h (may_trap_or_fault_p): Declare it.
2214         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2215         instead of may_trap_p.
2216         (steal_delay_list_from_fallthrough): Likewise.
2217         (fill_simple_delay_slots): Likewise.
2218         (fill_slots_from_thread): Likewise.
2219         * function.c (pad_to_arg_alignment): Rework comment about
2220         SPARC_STACK_BOUNDARY_HACK.
2221         * config/sparc/sparc.h: Likewise.
2222
2223 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2224
2225         * config/s390/s390.c (s390_expand_insv): New.
2226         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2227         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2228         ("icm_hi"): Remove mode attribute.
2229         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2230         Adjust all uses.
2231         ("*extracthi", "*extractqi"): Remove.
2232         (extv<mode>", "*extzv<mode>"): New.
2233         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2234         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2235
2236 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2237
2238         * cfgexpand.c (discover_nonconstant_array_refs_r,
2239         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2240         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2241         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2242         discover_nonconstant_array_refs.
2243
2244 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2245
2246         PR c/23228
2247         * c-decl.c (pop_scope): Don't warn about an unused variable
2248         if it is marked with TREE_NO_WARNING.
2249         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2250         somenow mismatch and olddecl is to be replaced.
2251
2252 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2253
2254         PR middle-end/23199
2255         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2256         whether registers live on the edge can be saved/restored.
2257
2258 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2259
2260         * config/sh/sh.c (fixup_mova): Skip notes.
2261
2262 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2263
2264         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2265         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2266         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2267         (s390_initial_elimination_offset): Likewise.
2268         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2269         register on TARGET_ZARCH targets.
2270         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2271         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2272         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2273         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2274
2275 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2276
2277         * config/s390/s390.md: Comment describing output modifiers updated.
2278         * config/s390/s390.c (print_operand): Likewise.
2279
2280 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2281
2282         * config/s390/s390.c (override_options): Added check for -mstack-size
2283         64k limitation.
2284         * doc/invoke.texi: Mention that limit in the documenation.
2285
2286 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2287
2288         PR #19672
2289         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2290
2291 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2292
2293         Fix PR tree-optimization/24231
2294
2295         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2296         (compute_avail): Ditto.
2297
2298 2005-10-18  Richard Henderson  <rth@redhat.com>
2299
2300         PR target/24428
2301         * config/i386/i386.c (legitimate_constant_p): Check
2302         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2303         if LABEL_REF.
2304         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2305         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2306         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2307         directly.
2308         (print_operand_address): Likewise.
2309         * config/i386/predicates.md (x86_64_immediate_operand): Test
2310         SYMBOL_REF_TLS_MODEL properly inside CONST.
2311         (x86_64_zext_immediate_operand): Likewise.
2312         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2313         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2314         * config/i386/i386-protos.h: Remove predicates.md entries.
2315
2316 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2317
2318         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2319         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2320
2321 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2322             Ian Lance Taylor <ian@airs.com>
2323
2324         PR middle-end/23522
2325         * fold-const.c (fold_widened_comparison): Do not allow range based
2326         constant folding when right operand cannot be unwidened.
2327
2328 2005-10-17  Richard Henderson  <rth@redhat.com>
2329
2330         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2331         with a memory clobber.
2332
2333 2005-10-17  James E Wilson  <wilson@specifix.com>
2334
2335         PR rtl-optimization/17356
2336         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2337         checking for EDGE_EH.
2338
2339 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2340
2341         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2342         the slot on an even boundary for any type with 16-byte alignment.
2343
2344 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2345
2346         PR target/23424
2347         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2348         after register allocation.
2349
2350 2005-10-17  DJ Delorie  <dj@redhat.com>
2351
2352         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2353         as frame related.
2354
2355 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2356
2357         PR c++/22551
2358         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2359         overflow flags.
2360
2361 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2362
2363         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2364         to 2 if it's already non-zero.
2365         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2366         is set and warn about it if flag_schedule_insns is 1.
2367
2368 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2369
2370         * config/crx/crx.md: Compare-and-branch instructions need to
2371         invalidate CC.
2372
2373 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2374
2375         PR target/24315
2376         * config/i386/i386.md (*pushdi2_rex64 splitter)
2377         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2378         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2379         flow2 pass only when (optimize > 0 && flag_peephole2).
2380
2381 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2382
2383         PR driver/22544
2384         * gcc.c (have_c): New static variable.
2385         (have_o): Likewise.
2386         (process_command): Remove declation of have_c.
2387         Set have_o to 1 when handling -o.
2388         (main): Add a fatel error if there are multiple
2389         files specified and -o and -c/-S is passed witout
2390         -combine or multiple languages.
2391
2392 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2393
2394         Fix PR tree-optimization/22444
2395         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2396         Assert that we don't hit something with subvars.
2397         (setup_pointers_and_addressables): Don't add things with subvars,
2398         because we'll already process the subvars for aliasing purposes.
2399
2400 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2401
2402         PR target/23424
2403         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2404         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2405         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2406         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2407         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2408         swapped, alternatives for the R constraint.
2409
2410         PR middle-end/24341
2411         * builtins.c (get_builtin_sync_mode): Make unlimited
2412         mode_for_size request.
2413
2414 2005-10-15  Richard Henderson  <rth@redhat.com>
2415
2416         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2417         (gimplify_expr): ... here.
2418         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2419         fb_lvalue in base expression.
2420
2421 2005-10-15  Richard Henderson  <rth@redhat.com>
2422
2423         PR 23714
2424         * builtins.c (expand_builtin_trap): Export.
2425         * expr.h (expand_builtin_trap): Declare.
2426         * expr.c (expand_assignment): Emit a trap for integral offsets
2427         from registers that weren't reduced to bitpos.
2428
2429         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2430         (mark_array_ref_addressable): Remove.
2431         * tree-flow.h (mark_array_ref_addressable): Remove.
2432         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2433
2434 2005-10-15  James E Wilson  <wilson@specifix.com>
2435
2436         PR target/24232
2437         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
2438         (add_dependence_list_and_free): Likewise.
2439         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2440         call.
2441
2442 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
2443
2444         PR 23141
2445         PR 23142
2446         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2447         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2448         anti-range.
2449         (vrp_visit_phi_node): Only prevent infinite iterations when
2450         the previous result and the new result are both VR_RANGEs.
2451
2452 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
2453
2454         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2455         function comment.
2456
2457 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2458
2459         PR c/23439
2460         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2461         to initialize loc.
2462
2463 2005-10-14  Per Bothner  <per@bothner.com>
2464
2465         PR preprocessor/21250
2466         * c-ppoutput.c (print_line): Print internal line 0 as 1.
2467
2468 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
2469
2470         PR c++/22551
2471         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2472         overflow flags.  Refactor some conditionals.
2473
2474 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2475
2476         PR tree-opt/21304
2477         * tree-dfa.c (add_referenced_var): Only look at decls which
2478         have TREE_CONSTANT or TREE_READONLY set instead of if
2479         !TREE_PUBLIC or !TREE_CONSTANT.
2480
2481 2005-10-13  James E Wilson  <wilson@specifix.com>
2482
2483         * doc/invoke.texi: For -x, add f95-cpp-input.
2484         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2485
2486 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
2487
2488         PR tree-optimization/24262
2489         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2490         in loop all the time.
2491
2492 2005-10-12  Richard Henderson  <rth@redhat.com>
2493
2494         PR c/24255
2495         * tree.h (DECL_TRANSPARENT_UNION): Remove.
2496         * function.c (assign_parm_find_data_types): Don't support it.
2497         * print-tree.c (print_node): Likewise.
2498         * c-common.c (handle_transparent_union_attribute): Likewise.
2499         Use build_duplicate_type.
2500         * tree-inline.c (remap_type_1): Split out of remap_type;
2501         properly remap aggregate fields.
2502         (build_duplicate_type): New.
2503         * doc/extend.texi (Variable Attributes): Remove documentation
2504         for transparent_union.
2505
2506 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2507
2508         PR target/24284
2509         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2510         (gen_stack_pointer_dec): Likewise.
2511
2512 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
2513
2514         PR middle-end/21275
2515         PR middle-end/21766
2516         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2517         target hook.
2518         (struct cxx): Add adjust_class_at_definition target hook.
2519         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2520         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2521         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2522         hook_void_tree. Add to TARGET_CXX.
2523         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2524         dllimport_flag.
2525         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2526         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2527         instead of attribute. Check for dllexport override.  Warn if
2528         inconsistent dll linkage. Don't lose old dllimport if decl has
2529         had address referenced.   Tweak lookup of dllimport atribute.
2530         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2531         for target specific rules.  Don't add dllimport attribute if
2532         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
2533         dllimport attribute.
2534         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2535         * varasm.c (initializer_constant_valid_p): Replace
2536         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2537
2538         PR target/21801
2539         PR target/23589
2540         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2541         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2542         (i[34567]86-*-mingw32*): Likewise.
2543
2544         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2545         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2546
2547         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2548         C++-specific code. Change return value to bool.
2549         (i386_pe_dllimport_p): Likewise.
2550         (associated_type): Simplify and make language-independent
2551         (i386_pe_encode_section_info): Replace override of ambiguous
2552         dllimport symbol refs with a gcc_assert.
2553         (i386_pe_valid_dllimport_attribute_p): Define.
2554         * config/i386/winnt-cxx.c: New file. Define C++ versions of
2555         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2556         i386_pe_adjust_class_at_definition.
2557         * config/i386/winnt-stubs.c: New file. Define stub versions of
2558         lang-specific functions.
2559         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2560         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2561         i386_pe_adjust_class_at_definition.
2562         (i386_pe_valid_dllimport_attribute_p): Declare.
2563         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2564         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2565         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2566
2567         PR target/19704
2568         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2569         dllimport attribute with test of DECL_DLLIMPORT_P.
2570
2571 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
2572
2573         * combine.c (make_extraction): Correct offset computation.
2574
2575 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
2576
2577         * config/cris/t-linux (LIMITS_H_TEST): Define.
2578
2579 2005-10-12  Richard Henderson  <rth@redhat.com>
2580
2581         PR rtl-opt/23324
2582         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2583
2584 2005-10-12  Richard Guenther  <rguenther@suse.de>
2585
2586         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2587
2588 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2589
2590         PR c++/19964
2591         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2592         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2593         type.
2594
2595 2005-10-12  Richard Guenther  <rguenther@suse.de>
2596
2597         PR c++/23799
2598         * varasm.c (output_constant): Correct typo from previous
2599         patch by DJ.
2600
2601 2005-10-11  Ian Lance Taylor  <ian@airs.com>
2602
2603         PR rtl-optimization/13931
2604         * combine.c: Revert patch of 2003-05-14, and:
2605         (try_combine): Only set elim_i1 and elim_i2 if the destination is
2606         completely killed in the appropriate insn.
2607         (distribute_notes): Don't skip multiple hard register test for
2608         elim_i1 and elim_i2.
2609
2610 2005-10-11  Richard Henderson  <rth@redhat.com>
2611
2612         PR c/24255
2613         * c-typeck.c (convert_for_assignment): Use build_constructor_single
2614         to initialize a transparent union instead of a nop_expr.
2615
2616 2005-10-11  Richard Henderson  <rth@redhat.com>
2617
2618         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2619         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2620         (tree_ssa_dce_loop): Call scev_reset.
2621
2622         PR tree-opt/24300
2623         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2624         * tree-ssa-dce.c: Include cfgloop.h.
2625         (tree_ssa_dce_loop, pass_dce_loop): New.
2626         * tree-pass.h (pass_dce_loop): Declare it.
2627         * passes.c (init_optimization_passes): Use it.
2628
2629 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2630
2631         PR middle-end/24263
2632         * convert.c (convert_to_real): Revert 2005-10-05 patch.
2633         Only apply the optimization for rounding builtins if the inner
2634         cast is also an extension.
2635
2636 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2637
2638         PR tree-opt/23946
2639         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2640         mark_new_vars_to_rename instead of update_stmt.
2641
2642 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2643
2644         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2645
2646 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
2647
2648         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2649         for setting MMX register to 0 rather than mmx.
2650
2651 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
2652
2653         PR target/12098
2654         * configure.ac: Move gas check from mips specific case to common case.
2655         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2656         * configure: Regenerate
2657         * doc/install.texi: Update.
2658
2659 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2660
2661         PR target/24284
2662         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2663
2664 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
2665
2666         * gcc.c (do_spec_1): Accept numeric characters in file name
2667         suffixes.
2668
2669 2005-10-10  Nick Clifton  <nickc@redhat.com>
2670
2671         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
2672         describing the deleted arm_gen_rotated_half_load function.
2673
2674 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2675
2676         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2677         __fpscr_values.
2678
2679 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
2680
2681         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2682         gnu_ld assignments.
2683         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2684         (EXTRA_MULTILIB_PARTS): Define.
2685         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2686         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2687         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2688         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2689         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2690         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2691
2692 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2693
2694         PR tree-optimization/24226
2695         * tree-cfg.c (remove_bb): Clean up unreachable loops.
2696         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2697         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2698         Export.
2699
2700 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2701
2702         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2703
2704 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2705
2706         PR target/24136
2707         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2708         Rewrite for no need for the early clobber.
2709
2710 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2711
2712         Merge from csl-arm-branch:
2713         2005-09-07  Paul Brook  <paul@codesourcery.com>
2714         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2715         space to string.
2716
2717         2005-04-30  Paul Brook  <paul@codesourcery.com>
2718         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2719         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2720
2721         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
2722         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2723         (arm_override_options): Use TARGET_AAPCS_BASED.
2724         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2725         (PTRDIFF_TYPE): Use int for AAPCS.
2726         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2727         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2728         (DEFAULT_SHORT_ENUMS): Delete.
2729         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2730
2731         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
2732         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2733         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2734         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2735
2736         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
2737         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2738
2739         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
2740         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2741
2742         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
2743         * config.gcc (arm*-*-linux-gnueabi): Add it.
2744         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2745         redefining it.
2746         (TARGET_OS_CPP_BUILTINS): Likeiwse.
2747         * config/arm/linux-eabi.h: New file.
2748         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2749         (LINUX_TARET_LINK_SPEC): Likewise.
2750         (LINK_SPEC): Use it.
2751         * config/arm/t-linux-eabi: New file.
2752
2753 2005-10-08  Steven Bosscher  <stevenb@suse.de>
2754
2755         PR other/22202
2756         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2757         spaces.
2758         (PARAM_SMS_DFA_HISTORY): Likewise.
2759
2760 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2761
2762         PR middle-end/23150
2763         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2764         (load_register_parameters): Call it.
2765         (check_sibcall_argument_overlap_1): Likewise.
2766         (store_one_arg): Likewise.
2767
2768 2005-10-07  James E. Wilson  <wilson@specifix.com>
2769
2770         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2771         DImode not VECINT24 for operand 2.
2772
2773         PR target/23644
2774         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2775         -mtune-arch.
2776
2777         PR target/24193
2778         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2779         fr_spill): Use destination_operand for operand 0.
2780
2781 2005-10-07  DJ Delorie  <dj@redhat.com>
2782
2783         * varasm.c (output_constant): Limit error to expanding
2784         conversions.
2785
2786 2005-10-07  Richard Guenther  <rguenther@suse.de>
2787
2788         PR middle-end/24227
2789         * fold-const.c (fold_binary): Fix operand types during folding
2790         of X op (A, Y).  Evaluation order of the side-effects of
2791         X and A are frontend-defined, so ensure we honour that even for
2792         tcc_comparison class operands; eased by removing duplicate code.
2793
2794 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2795
2796         * stor-layout.c (layout_type): Do not allow alignment of array
2797         elements to be greater than their size.
2798
2799 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2800
2801         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2802         host_xmake_file.
2803         (hppa*-*-linux*): Ditto.
2804         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2805         * config/host-hpux.c: New.
2806         * config/x-hpux: New.
2807         * config/pa/x-hpux: Remove.
2808         * config/pa/x-linux: Remove.
2809         * config/pa/pa-host.c: Remove.
2810
2811 2005-10-07  Jeff Law  <law@redhat.com>
2812
2813         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2814         determine whether or not to try and thread outgoing edges.
2815
2816 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
2817
2818         * config/rs6000/rs6000.md (eqsi_power): New.
2819         (neg_eq0si): Add TARGET_POWER to final condition.
2820         (neg_eqsi): Same.
2821
2822 2005-10-06  Richard Henderson  <rth@redhat.com>
2823
2824         * config/rs6000/rs6000.c: Revert last change.
2825
2826 2005-10-06  Richard Henderson  <rth@redhat.com>
2827
2828         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2829         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2830
2831 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2832
2833         PR middle-end/22216
2834         PR middle-end/23651
2835         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2836         out return_label and naked_return_label.
2837
2838 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2839
2840         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2841         change.
2842
2843 2005-10-06  Richard Henderson  <rth@redhat.com>
2844
2845         PR tree-opt/22237
2846         * tree-inline.c (declare_return_variable): Handle modify_dest not
2847         being a DECL.
2848
2849 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2850
2851         Fix PR tree-optimization/22488
2852         * tree-ssa-structalias.c (check_for_overlaps): New function.
2853         (create_variable_info_for): Use it.
2854
2855 2005-10-06  Richard Henderson  <rth@redhat.com>
2856
2857         PR debug/24070
2858         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2859         (dwarf2out_start_source_file): Print it.
2860
2861 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
2862
2863         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2864
2865 2005-10-06  Richard Henderson  <rth@redhat.com>
2866
2867         PR 23706
2868         * mode-switching.c (optimize_mode_switching): Clear transp bit
2869         for block with incomming abnormal edges.
2870
2871         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2872         (fpscr_set_from_mem): Use them.
2873         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2874         (fpscr postinc splitters): Rewrite as peephole2+split.
2875
2876 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
2877
2878         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2879         (eq<mode>_compare): Same.
2880
2881 2005-10-06  Richard Guenther  <rguenther@suse.de>
2882
2883         PR tree-optimization/24238
2884         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2885
2886 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
2887
2888         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2889         here.  Use AC_PATH_PROG for environment variables instead of
2890         test -x.
2891         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
2892         objdump also.
2893         * configure: Regenerated.
2894
2895 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
2896
2897         PR target/23783
2898         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2899         then force it into a register.
2900         (call_value): Likewise.
2901
2902 2005-10-06  Richard Henderson  <rth@redhat.com>
2903
2904         PR 24049
2905         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2906         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
2907         under pass_vectorize.
2908
2909 2005-10-05  Devang Patel  <dpatel@apple.com>
2910
2911         PR Debug/23205
2912         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2913         handling constants. Check NAMESPACE_DECL context for constants.
2914
2915 2005-10-05  Eric Christopher  <echristo@apple.com>
2916
2917         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2918
2919 2005-10-05  Richard Henderson  <rth@redhat.com>
2920
2921         PR 23714
2922         * tree-cfg.c (mark_array_ref_addressable_1): New.
2923         (mark_array_ref_addressable): New.
2924         * tree-flow.h (mark_array_ref_addressable): Declare.
2925         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2926
2927 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
2928
2929         PR middle-end/20606
2930         PR middle-end/24069
2931         * reload.c (subst_reloads): When adding a REG_LABEL to a
2932         jump instruction, also update JUMP_LABEL.
2933
2934 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
2935
2936         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2937         * bb-reorder.c (copy_bb_p): Use it.
2938         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2939
2940 2005-10-05  Richard Henderson  <rth@redhat.com>
2941
2942         PR target/23602
2943         * toplev.c (process_options): Warn about unsupported combinations
2944         of unwind tables and omit-frame-pointer.
2945         * config/i386/i386.c (override_options): Similarly.  Enable
2946         accumulate-outgoing-args if not explicitly disabled.
2947
2948 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
2949
2950         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2951         Handle big endian vs. small endian.
2952         (vec_initv2sf): Handle big endian vs. small endian.
2953         (*vec_extractv2sf_1): Ditto.
2954
2955 2005-10-05  Dale Johannesen  <dalej@apple.com>
2956
2957         * convert.c (convert_to_real):  Don't convert
2958         (float)floor(double d) to floorf((float)d).
2959
2960 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
2961
2962         * config/arm/arm.md (insv): Use gen_int_mode in more places.
2963
2964 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
2965
2966         PR tree-optimization/18587
2967         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2968         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2969         build_vuses): Change to VEC type.
2970         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2971         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2972         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2973         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2974         (get_name_decl): New.  Return DECL_UID of base variable.
2975         (operand_build_cmp): New.  qsort comparison routine.
2976         (operand_build_sort_virtual): New.  Sort virtual build vector.
2977         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2978         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2979         (FINALIZE_BASE): Use get_name_decl.
2980         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2981         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2982         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2983         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2984         direct VEC_* manipulations.
2985         (build_ssa_operands): Call operand_build_sort_virtual.
2986         (copy_virtual_operand, create_ssa_artficial_load_stmt,
2987         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2988         with direct VEC_* manipulations.
2989         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2990         with direct VEC manipulations.
2991
2992 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
2993
2994         PR tree-optimization/21419
2995         PR tree-optimization/24146
2996         PR tree-optimization/24151
2997
2998         * c-typeck.c (readonly_error): Handle USE being lv_asm.
2999         (build_asm_expr): Call it if outputs are read-only.
3000         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3001
3002 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
3003             Paolo Bonzini  <bonzini@gnu.org>
3004
3005         PR target/23809
3006
3007         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3008         enable the instructions and not just the built-ins.
3009         * doc/invoke.texi (x86 Options): Likewise.
3010
3011 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
3012
3013         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3014
3015         * doc/invoke.texi (Option Summary): Correct spelling
3016         of -mmacosx-version-min.
3017
3018 2005-10-04  Devang Patel  <dpatel@apple.com>
3019
3020         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3021         real types.
3022
3023 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
3024
3025         * tree-vect-transform.c (vect_create_epilog_for_reduction):
3026         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3027
3028 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
3029
3030         * config/s390/s390.md ("TDSI","DP"): New mode macros.
3031         ("TE","tg"): New mode attributes.
3032         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3033         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3034         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3035         dword_mode and one for GPRmode.
3036
3037 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3038
3039         PR preprocessor/13726
3040         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3041         any comments passed in.
3042
3043 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3044
3045         * tree.c (annotate_with_file_line): Fix typo.
3046
3047 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3048
3049         PR ada/19382
3050         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3051         type used to access data in the inlined length == 1 case, use
3052         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3053         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3054
3055 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3056
3057         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3058         TARGET_SSE3 and only for TARGET_80387.
3059         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3060         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3061         Do not depend on TARGET_80387.
3062
3063 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3064
3065         * tree.c (last_annotated_node): Change type to location_t*.
3066         (annotate_with_file_line): Reflect the change of
3067         last_annotated_node type.
3068
3069 2005-10-04  Richard Guenther  <rguenther@suse.de>
3070
3071         PR c/23576
3072         * c-decl.c (grokdeclarator): Don't write to fields
3073         of error_mark_node.
3074
3075 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3076
3077         PR middle-end/23125
3078         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3079         register variables.
3080         * varasm.c (make_decl_rtl): If a register variable does not
3081         have a set user assmbler name, error out.
3082         Decode the asmspec is now name+1 bypassing '*'.
3083
3084 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3085
3086         PR tree-optimization/23049
3087         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3088         of a COND_EXPR is folded before calling fold on the whole rhs of a
3089         conditional assignment.
3090         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3091         document that a COND_EXPR may appear there.
3092
3093 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3094
3095         PR 23445
3096         * tree-vrp.c (extract_range_from_assert): If the new numeric
3097         range created out of the assertion contradicts the existing
3098         numeric range of the ASSERT_EXPR variable, make the new range
3099         varying.
3100
3101 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3102
3103         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3104         from T_REGS to FP register class.
3105
3106 2005-10-03  Richard Henderson  <rth@redhat.com>
3107
3108         PR 24135
3109         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3110         before creating a new one.
3111
3112 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3113
3114         * config/rs6000/t-aix43 (LDFLAGS): New.
3115         * config/rs6000/t-aix52 (LDFLAGS): New.
3116
3117 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3118
3119         * gimplify.c (find_single_pointer_decl_1): New static function.
3120         (find_single_pointer_decl): New static function.
3121         (internal_get_tmp_var): For a formal variable, set restrict base
3122         information if appropriate.
3123         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3124         return it.
3125         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3126         (DECL_GET_RESTRICT_BASE): Define.
3127         (SET_DECL_RESTRICT_BASE): Define.
3128         (decl_restrict_base_lookup): Declare.
3129         (decl_restrict_base_insert): Declare.
3130         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3131         * tree.c (restrict_base_for_decl): New static variable.
3132         (init_ttree): Initialize restrict_base_for_decl.
3133         (copy_node_stat): Copy restrict base information.
3134         (decl_restrict_base_lookup): New function.
3135         (decl_restrict_base_insert): New function.
3136         (print_restrict_base_statistics): New static function.
3137         (dump_tree_statistics): Call print_restrict_base_statistics.
3138
3139 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3140
3141         PR 24142
3142         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3143         case of anti-ranges.
3144
3145 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3146
3147         PR c/18851
3148         * c-typeck.c (tagged_tu_seen): Rename to ...
3149         (tagged_tu_seen_cache): this and add val field.
3150         (comptypes): Move functional to comptypes_internal
3151         and free tagged_tu_seen.
3152         (comptypes_internal): New function and call comptypes_internal
3153         instead of comptypes. Speed up by sibcalling
3154         tagged_types_tu_compatible_p.
3155         (alloc_tagged_tu_seen): New function
3156         (free_all_tagged_tu_seen_up_to): New function.
3157         (tagged_types_tu_compatible_p): Return the val of the seen two
3158         types.
3159         Add that the two types are the same to tagged_tu_seen_base
3160         if they are and call comptypes_internal instead of comptypes.
3161         <case UNION_TYPE>: Speed up common type where the fields are
3162         in the same order.
3163         (function_types_compatible_p): Call comptypes_internal instead of
3164         comptypes.
3165         (type_lists_compatible_p): Likewise.
3166         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3167
3168 2005-10-02  Matthias Klose  <doko@debian.org>
3169
3170         * doc/invoke.texi: Fix typo and speling error.
3171
3172 2005-10-01  Richard Henderson  <rth@redhat.com>
3173
3174         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3175
3176 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3177
3178         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3179         using --start-group and --end-group.
3180
3181 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3182
3183         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3184         FIXME note regarding quirky semantics.
3185
3186 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3187
3188         PR 24141
3189         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3190         non-null range as a last resort.
3191
3192 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3193             Diego Novillo  <dnovillo@redhat.com>
3194
3195         PR 23604
3196         * tree-vrp.c (extract_range_from_assert): For !=
3197         assertions, only build an anti-range if LIMIT is a
3198         single-valued range.
3199
3200 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3201
3202         * arm.md (movqi): On thumb when optimizing, handle loading from
3203         memory by describing this as taking a subreg of a zero-extended load
3204         into an SImode register.
3205         (movhi): Likewise.
3206
3207 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3208
3209         * reload1.c (merge_assigned_reloads): Do not change any
3210         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3211
3212 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3213
3214         * Makefile.in (LIPO_FOR_TARGET): Define.
3215         (STRIP_FOR_TARGET): Define.
3216
3217         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3218         before creating new ones.  Do symlinks before creating the actual
3219         targets.
3220
3221         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3222         to work out which multilibs are actually being built.
3223
3224 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3225
3226         * tree-vect-transform.c, config/ms1/ms1.md,
3227         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3228         Follow spelling conventions.
3229         * doc/invoke.texi, doc/md.texi: Fix typos.
3230
3231 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3232
3233         PR tree-optimization/21430
3234         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3235         use operands, and set stmt pointer if need be.
3236         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3237         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3238         present.
3239
3240 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3241
3242         PR middle-end/24053
3243         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3244
3245 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3246
3247         * optabs.c (expand_binop): Initialize first_pass_p.
3248
3249 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR middle-end/24109
3252         * c-decl.c (c_write_global_declarations_1): If any
3253         wrapup_global_declaration_2 call returned true, restart the loop.
3254
3255 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3256
3257         Fix PR tree-optimization/24117
3258         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3259         before considering whether to use anyoffset.
3260
3261 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3262
3263         Revert this patch:
3264
3265         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3266
3267         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3268         to order operands.
3269         (swap_commutative_operands_with_target): New.
3270
3271 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3272
3273         PR c/21419
3274         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3275         read-only.
3276
3277 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3278
3279         PR tree-optimization/23911
3280         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3281         and IMAGPART_EXPR too.
3282
3283 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3284
3285         PR 17886
3286         * expmed.c (expand_shift): Move logic to reverse rotation
3287         direction when  rotating by constants ...
3288         * optabs.c (expand_binop): ... here.
3289         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3290         (ix86_rotrdi3): New pattern.
3291         (rotldi3): Handle 32-bit mode.
3292         (ix86_rotldi3): New pattern.
3293
3294 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3295
3296         PR target/24102
3297         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3298         check for numbers that need no bit twiddle.
3299
3300 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3301
3302         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3303         multilib to be built.
3304
3305         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3306         (stage1-start): Delete old libgcc and libunwind before moving
3307         anything into the stage directory.
3308         (stage2-start): Likewise.
3309         (stage3-start): Likewise.
3310         (stage4-start): Likewise.
3311         (stageprofile-start): Likewise.
3312         (stagefeedback-start): Likewise.
3313         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3314         header in tm_file and CPU-specific t-darwin in tmake_file.
3315         (i[34567]86-*-darwin*): Don't change tm_file.
3316         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3317         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3318         shared library stub for target OS version.
3319         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3320         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3321         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3322         (libgcc_s.%.dylib): New.
3323         (LIBGCC): Define.
3324         (install-darwin-libgcc-stubs): New.
3325         (INSTALL_LIBGCC): New append.
3326         * config/i386/darwin-libgcc.10.4.ver: New.
3327         * config/i386/darwin-libgcc.10.5.ver: New.
3328         * config/i386/t-darwin: New.
3329         * config/rs6000/darwin-libgcc.10.4.ver: New.
3330         * config/rs6000/darwin-libgcc.10.5.ver: New.
3331         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3332         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3333
3334 2005-09-28  Paul Brook  <paul@codesourcery.com>
3335
3336         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3337         denormals.
3338
3339 2005-09-28  Richard Guenther  <rguenther@suse.de>
3340
3341         PR tree-optimization/23853
3342         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3343         host_integerp to verify misalignment value.
3344
3345 2005-09-28  Richard Henderson  <rth@redhat.com>
3346
3347         * builtins.c (get_builtin_sync_mode): New.
3348         (expand_builtin_sync_operation): Pass in mode argument.
3349         (expand_builtin_compare_and_swap): Likewise.
3350         (expand_builtin_lock_test_and_set): Likewise.
3351         (expand_builtin_lock_release): Likewise.
3352         (expand_builtin): Update to match.
3353
3354 2005-09-28  Nick Clifton  <nickc@redhat.com>
3355
3356         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3357         formatting.  Add check to PLUS case to ensure that the offset is
3358         within an acceptable range.
3359
3360         * config/v850/v850.md (casesi): Disable the generation of the
3361         switch pattern as it is not being handled properly at the moment.
3362
3363         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3364         for when the high words are identical.
3365
3366 2005-09-27  Richard Henderson  <rth@redhat.com>
3367
3368         * pretty-print.c (pp_base_format): Fix typo for %>.
3369
3370 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3371             Devang Patel  <dpatel@apple.com>
3372
3373         PR tree-optimization/23625
3374         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3375         LABEL_EXPR, assertion check.
3376
3377 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3378
3379         * optabs.c (no_conflict_move_test): Check if a result of a
3380         to-be-moved insn would be clobbered by an originally
3381         preceding insn.
3382
3383 2005-09-27  Jeff Law  <law@redhat.com>
3384
3385         * passes.c (init_optimization_passes): Replace copy propagation
3386         passes immediately after DOM with phi-only copy propagation
3387         pases.  Add phi-only copy propagation pass after first DOM pass.
3388         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3389         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3390         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3391         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3392         to init_copy_prop.  Callers updated.
3393         (do_phi_only_copy_prop): New function.
3394         (pass_phi_only_copy_prop): New pass descriptor.
3395
3396 2005-09-27  Nick Clifton  <nickc@redhat.com>
3397
3398         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3399
3400 2005-09-26  Jason Merrill  <jason@redhat.com>
3401
3402         PR c++/13764
3403         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3404
3405         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3406
3407 2005-09-26  James E Wilson  <wilson@specifix.com>
3408
3409         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3410         copyright.  Add gcc copyright plus libgcc exception.
3411         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3412         copyright.
3413         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3414
3415 2005-09-26  Jeff Law  <law@redhat.com>
3416
3417         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3418         about when to iterate.
3419
3420 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3421
3422         PR target/23847
3423         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3424         for __complex__ double in -mcpu=G5 mode.
3425
3426 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
3427
3428         PR tree-optimization/23942
3429         * Makefile.in (SCEV_H): Depends on PARAMS_H.
3430         * tree-scalar-evolution.c: Include params.h.
3431         (t_bool): New enum.
3432         (follow_ssa_edge, follow_ssa_edge_in_rhs,
3433         follow_ssa_edge_in_condition_phi_branch,
3434         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3435         Change return type to t_bool.  Use a parameter to limit the size of
3436         trees that are walked before stopping
3437         (analyze_evolution_in_loop): Initialize the limit to 0.
3438         (follow_ssa_edge): Give up by returning t_dont_know if the limit
3439         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3440
3441 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3442
3443         PR middle-end/23831
3444         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3445         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3446
3447 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
3448
3449         * combine.c (make_extraction): Check for valid use of subreg.
3450
3451 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3452
3453         PR target/24055
3454         * config/i386/i386.md ("*fistdi2_1"): New pattern.
3455         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3456         ("fist<mode>2_with_temp"): Use only register operands.
3457
3458 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
3459
3460         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3461         CALL_INSN_FUNCTION_USAGE.
3462
3463 2005-09-26  Richard Guenther  <rguenther@suse.de>
3464
3465         PR middle-end/15855
3466         * gcse.c: Include hashtab.h, define ldst entry hashtable.
3467         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3468         (ldst_entry): Use the hashtable instead of list-walking.
3469         (find_rtx_in_ldst): Likewise.
3470         (free_ldst_entry): Free the hashtable.
3471         (compute_ld_motion_mems): Create the hashtable.
3472         (trim_ld_motion_mems): Remove entry from hashtable if
3473         removing it from list.
3474         (compute_store_table): Likewise^2.
3475         (store_motion): Free hashtable in case we did not see
3476         any stores.
3477
3478 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
3479
3480         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3481         and arg1 if we are passing them to fold_build2.
3482
3483 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
3484
3485         PR 23828
3486         * config/i386/i386.c (ix86_function_regparm): Fix the test for
3487         a nested function.
3488
3489 2005-09-25  Richard Henderson  <rth@redhat.com>
3490
3491         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3492         SYMBOL_REF_TLS_MODEL to be correct.
3493
3494 2005-09-24  Richard Henderson  <rth@redhat.com>
3495
3496         * ipa-type-escape.c (discover_unique_type): Remove dead code at
3497         end of function.  Reindent.
3498
3499 2005-09-24  Ian Lance Taylor  <ian@airs.com>
3500
3501         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3502         NEGATE_EXPR/BIT_NOT_EXPR case.
3503
3504 2005-09-24  Richard Henderson  <rth@redhat.com>
3505
3506         * c-common.c (handle_mode_attribute): When not modifying in place,
3507         create subtypes for enumerations.
3508         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3509         * gimplify.c (create_tmp_from_val): Likewise.
3510
3511 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
3512
3513         * config/i386/i386.md (*tls_global_dynamic_64,
3514         *tls_local_dynamic_base_64): Add missing mode to call.
3515         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3516
3517 2005-09-24  Jan Hubicka  <jh@suse.cz>
3518
3519         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3520         (cgraph_clone_node): Likewise.
3521         * cgraph.h (cgraph_clone_edge): Update prototype.
3522         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3523         duplicated prototypes; add updating argument.
3524         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3525         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3526         updating profile.
3527         (cgraph_mark_inline_edge): Likewise.
3528         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3529         (cgraph_flatten_node): Likewise.
3530         (cgraph_decide_recursive_inlining): Likewise.
3531         (cgraph_decide_inlining_of_small_function): Likewise.
3532         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3533
3534 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3535             Pete Steinmetz <steinmtz@us.ibm.com>
3536
3537         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3538         (rldic.): Set type to "compare".
3539         (rldicr.): Same.
3540         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
3541         mfjmpr for MFCTR/MFLR.
3542         (movdf_hardfloat64): Same.
3543         (movdf_softfloat64): Same.  Correct order of store and move types.
3544         (movti_string): Set type to store_ux/load_ux.
3545         (load_multiple): Set type to load_ux.
3546         (store_multiple): Set type to store_ux.
3547         (movmemsi): Set type to store_ux.
3548         (output_cbranch direct_return): Set type to jmpreg.
3549         (stmw): Set type to store_ux.
3550         (lmw): Set type to load_ux.
3551         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3552         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3553         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3554         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3555         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3556         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3557         (rios1-fpstore): Increase latency to 3.
3558         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3559         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3560
3561 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3562             Andrew Pinski  <pinskia@physics.uc.edu>
3563
3564         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3565         operand2 constraint to "b".
3566         (sync_<fetchop_name>di_internal): Same.
3567         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3568         to "b".
3569         (sync_old_<fetchop_name>di_internal): Same.
3570         (sync_new_<fetchop_name>si_internal): Same.
3571         (sync_new_<fetchop_name>di_internal): Same.
3572
3573 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
3574
3575         PR middle-end/23991
3576         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3577         case, define as macros.
3578
3579         PR rtl-optimization/23837
3580         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3581         clobber / clobber match between dest and p->first.
3582
3583         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3584         (no_conflict_move_test): Update comments.
3585
3586 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3587
3588         * doc/install.texi: Update URL for Jacks.
3589         * doc/sourcebuild.texi: Likewise.
3590
3591 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
3592
3593         PR target/24007
3594         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3595         registers when choosing register preferences.
3596         (movdf_hardfloat64): Same.
3597
3598 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3599
3600         * expmed.c (expand_shift): Don't use the target of the rotate as
3601         target for the first expanded shift insn.
3602         * testsuite/gcc.dg/20050922-1.c: Testcase added.
3603
3604 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
3605
3606         PR tree-optimization/22438
3607         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3608         preserved iv rhs rewriting specially.
3609
3610 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
3611
3612         * tree-data-ref.c (analyze_array_indexes): Only estimate when
3613         estimate_only  is true.
3614         * tree-flow.h (ref_contains_indirect_ref): New prototype.
3615         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3616         tree-ssa-structalias.c
3617         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3618         ref_contains_indirect_ref.
3619         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3620
3621 2005-09-21  DJ Delorie  <dj@redhat.com>
3622
3623         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3624         MASK_PTR_A0D0.
3625         (mn10300_return_in_memory): Support variable size types also.
3626         (mn10300_pass_by_reference): Likewise.
3627         (mn10300_function_value): New.
3628         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3629         (FUNCTION_OUTGOING_VALUE): Likewise.
3630         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3631         * doc/invoke.texi: Document it.
3632
3633 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
3634
3635         PR target/22585
3636         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3637         force integer op1 into register for XFmode compares.
3638
3639 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
3640
3641         PR middle-end/23971
3642         * expmed.c (alg_code): Add alg_impossible.
3643         (alg_hash_entry): Add cost.
3644         (synth_mult): Record alg_impossible in the hash table if
3645         multiplication by a given integer is impossble within the
3646         limit.  Speed up using alg_impossible.
3647
3648 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3649
3650         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3651         argument.  Allow and set any offset if needs_anyoffset is passed
3652         in.
3653         (get_constraint_for): Add argument here too.
3654         Pass it down.
3655         (do_structure_copy): Pass NULL to get_constraint_for.
3656         (handle_ptr_arith): Ditto.
3657         (find_func_aliases): Ditto.
3658
3659 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
3660
3661         PR rtl-optimization/23898
3662         * output.h (get_attr_min_length): Declare.
3663         * final.c (get_attr_length_1): New function, broken out of:
3664         (get_attr_length).
3665         (get_attr_min_length): New function.
3666         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3667         (duplicate_computed_gotos): Likewise.
3668         * genattr.c (insn_min_length): Generate declaration.
3669         * genattrtab.c (min_fn, min_attr_value): New functions.
3670         (make_length_attrs): Generate insn_min_length.
3671
3672 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
3673
3674         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3675
3676 2005-09-20  Richard Henderson  <rth@redhat.com>
3677
3678         PR tree-optimization/24059
3679         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3680         EXPAND_STACK_PARM.
3681
3682 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
3683
3684         * c.opt (fextended-identifiers): New.
3685         * c-opts.c (c_common_handle_option): Handle
3686         -fextended-identifiers.
3687         * doc/cpp.texi: Update documentation of extended identifiers.
3688         * doc/cppopts.texi (-fextended-identifiers): Document.
3689
3690 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR tree-optimization/23929
3693         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3694         if expr is NULL.
3695
3696         PR tree-optimization/23818
3697         * tree-stdarg.c (execute_optimize_stdarg): Call
3698         calculate_dominance_info.
3699
3700 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3701
3702         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3703         (analyze_siv_subscript_cst_affine): Add weak SIV test.
3704         (compute_overlap_steps_for_affine_1_2): Use
3705         get_number_of_iters_for_loop.
3706         (analyze_subscript_affine_affine): Check whether difference is
3707         zero first.
3708         Use get_number_of_iters_for_loop.
3709         Check whether overlap occurs outside of bounds.
3710         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3711
3712 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
3713
3714         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3715         base register if possible.
3716
3717 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
3718
3719         PR tree-optimization/18463
3720         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3721         converting it directly is not possible.
3722         (chrec_convert_aggressive): New function.
3723         * tree-chrec.h (chrec_convert_aggressive): Declare.
3724         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3725         Fold chrec conversions aggressively if asked to.
3726         (instantiate_parameters): Modified because of changes in
3727         instantiate_parameters_1.
3728
3729 2005-09-19  Richard Henderson  <rth@redhat.com>
3730
3731         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3732         (reduc_splus_v2df): New.
3733
3734 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
3735
3736         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3737         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
3738
3739 2005-09-19  Richard Henderson  <rth@redhat.com>
3740
3741         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3742         vcondu<SSEMODE12>.
3743
3744 2005-09-19  Richard Henderson  <rth@redhat.com>
3745
3746         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3747         (ia64_expand_dot_prod_v8qi): New.
3748         * config/ia64/ia64-protos.h: Update.
3749         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3750         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3751         sdot_prodv8qi, sdot_prodv4hi): New.
3752         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3753
3754 2005-09-19  Richard Henderson  <rth@redhat.com>
3755
3756         PR 23941
3757         * real.c (exact_real_truncate): Return false if the format cannot
3758         represent the number as a normal.
3759
3760         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3761         for a memory source.
3762
3763 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
3764
3765         * tree-ssa-operands.c (swap_tree_operands): Export.
3766         * tree.h (swap_tree_operands): Declare.
3767         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3768         Call swap_tree_operands.
3769
3770 2005-09-19  Richard Henderson  <rth@redhat.com>
3771
3772         * tree-flow.h (merge_alias_info): Declare.
3773         * tree-ssa-copy.c (merge_alias_info): Export.
3774         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3775         (vect_create_data_ref_ptr): Use create_iv directly.
3776         (vectorizable_load): Use correct types for integer constants.
3777         (vect_generate_tmps_on_preheader): Likewise.
3778         (vect_gen_niters_for_prolog_loop): Likewise.
3779
3780 2005-09-19  Steven Bosscher  <stevenb@suse.de>
3781
3782         PR rtl-optimization/23943
3783         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3784
3785 2005-09-18  Jan Hubicka  <jh@suse.cz>
3786
3787         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3788
3789 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
3790
3791         * varasm.c (output_constant): Do not abort on conversions to union
3792         types between different sizes.
3793
3794 2005-09-18  Richard Guenther  <rguenther@suse.de>
3795
3796         PR middle-end/23944
3797         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3798         fallback.
3799
3800 2005-09-18  Paul Brook  <paul@codesourcery.com>
3801
3802         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3803
3804 2005-09-17  Richard Henderson  <rth@redhat.com>
3805
3806         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3807         * tree-ssa-loop.c (pass_vect_dce): Remove.
3808         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3809         of pass_vectorize.
3810
3811 2005-09-17  Richard Henderson  <rth@redhat.com>
3812
3813         * tree-pass.h (pass_vect_dce): Declare.
3814         * passes.c (init_optimization_passes): Add it.
3815         * tree-flow.h (tree_ssa_dce): Declare.
3816         * tree-ssa-dce.c (tree_ssa_dce): Export.
3817         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3818         (gate_tree_vectorize): ... here.
3819         (pass_vect_dce): New.
3820
3821 2005-09-17  Jan Hubicka  <jh@suse.cz>
3822
3823         * except.c (struct eh_status): Turn region_array into vec.
3824         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3825         convert_from_eh_region_ranges, find_exception_handler_labels,
3826         current_function_has_exception_handlers, assign_filter_values,
3827         build_post_landing_pads, dw2_build_landing_pads,
3828         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3829         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3830         foreach_reachable_handler, can_throw_internal_1,
3831         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3832         region_array.
3833         (duplicate_eh_region_1): Update region_array.
3834         (duplicate_eh_regions): Resize region_array and avoid recomputing.
3835
3836 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
3837
3838         PR middle-end/22067
3839         * expmed.c (expand_mult): Substitute simple register for op0 when
3840         computing max_cost.
3841
3842 2005-09-17  Richard Henderson  <rth@redhat.com>
3843
3844         * expr.c (emit_move_via_integer): Add force argument, pass it on
3845         to emit_move_change_mode.  Update callers.
3846         (emit_move_complex): Pass true to new force argument.
3847         * function.c (expand_function_end): Move expand_eh_return call
3848         earlier.  Merge sub-word complex values into a pseudo before
3849         copying to the return hard register.
3850
3851 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
3852
3853         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3854         between different sizes.
3855
3856 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
3857
3858         PR 23903
3859
3860         * passes.c (init_optimization_passes): Register dump files for
3861         IPA passes first.
3862
3863 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3864
3865         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3866         * config/s390/s390.c (s390_overlap_p): New function.
3867         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3868         peephole2, "*xc" peephole2): Added overlap check to the peephole2
3869         condition.
3870
3871 2005-09-16  Richard Guenther  <rguenther@suse.de>
3872
3873         * ipa-pure-const.c (static_execute): Free auxiliar information.
3874         * ipa-type-escape.c (discover_unique_type): Free temporary key.
3875         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3876
3877 2005-09-15  DJ Delorie  <dj@redhat.com>
3878
3879         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3880
3881 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3882
3883         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3884         to order operands.
3885         (swap_commutative_operands_with_target): New.
3886
3887 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
3888
3889         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3890         parameter.
3891         Update callers.
3892         (estimate_iters_using_array): New function.
3893         * tree-data-ref.h (estimate_iters_using_array): Prototype
3894         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3895         Use estimate_iters_using_array instead of analyze_array.
3896
3897 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
3898
3899         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3900         as addressable.
3901
3902 2005-09-15  Michael Matz  <matz@suse.de>
3903
3904         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3905
3906 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
3907
3908         PR tree-optimization/23835
3909         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3910         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3911
3912 2005-09-14  Richard Henderson  <rth@redhat.com>
3913
3914         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3915         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3916
3917 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
3918
3919         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3920         in the ARRAY_TYPE case.
3921
3922 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
3923
3924         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3925
3926 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
3927
3928         PR middle-end/22480
3929         * tree-vect-transform.c (vectorizable_operation): Return false for
3930         scalar shift operations and for vector shift operations with
3931         non-invariant shift arguments.  Use scalar tree operand op1 as
3932         a shift operand when vector shift insn pattern uses scalar shift
3933         operand.
3934         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3935
3936 2005-09-14  Olivier Hainque  <hainque@adacore.com>
3937
3938         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3939         value if it has side-effects.
3940
3941 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
3942
3943         PR target/22068
3944         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3945
3946 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
3947
3948         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3949         passed as NAME as if it were label at start of function code.
3950
3951 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3952
3953         * config/sh/sh.md (*movv4sf_i): Add general register cases to
3954         the constraints.
3955
3956 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
3957
3958         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3959         as early clobber.  Rewrite so the PIC register is not implicitly used.
3960
3961 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3962
3963         * tree.c (annotate_with_file_line): Compare line numbers before
3964         file names.
3965
3966 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
3967
3968         PR target/23816
3969         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3970         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3971
3972 2005-09-13  Ian Lance Taylor  <ian@airs.com>
3973
3974         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3975         than a HOST_WIDEST_INT to gen_doloop_begin.
3976
3977 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
3978
3979         * tree-dfa.c (dump_variable): Guard against NULL annotations.
3980
3981 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
3982
3983         PR tree-optimize/23817
3984         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3985
3986 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
3987
3988         PR target/23774
3989         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3990         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
3991         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3992         (restore_stack_nonlocal): Likewise.
3993         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3994
3995 2005-09-12  Ian Lance Taylor  <ian@airs.com>
3996
3997         PR g++/7874
3998         * c.opt (ffriend-injection): New C++ option.
3999         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4000         (C++ Dialect Options): Document -ffriend-injection.
4001
4002 2005-09-12  Josh Conner  <jconner@apple.com>
4003
4004         PR middle-end/23237
4005         * ipa-reference.c (static_execute): Don't mark variables in
4006         named sections TREE_READONLY.
4007
4008 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4009
4010         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4011         stack_tie.
4012
4013 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
4014
4015         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4016         V_MUST_DEF instead of just the first_use_p.
4017         Don't mark the virtual variables for renaming on the statement which
4018         is being removed.
4019         (pass_dse): Remove TODO_update_ssa.
4020
4021 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
4022
4023         PR middle-end/23290
4024         * stor-layout.c (compute_record_mode): For records with a single
4025         field, actually check the field's mode size against the type size.
4026
4027         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4028         registers for TARGET_SHMEDIA.
4029         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4030         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
4031         of GENERAL_REGS and FP_REGS.
4032
4033 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4034
4035         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4036
4037 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4038
4039         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4040         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4041         are omitted.  Exclude stack_tie insn too.
4042
4043 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4044
4045         PR rtl-optimization/23098
4046         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4047         0.0f is easy.
4048         * config/rs6000/rs6000.md (movdf splitter): Use
4049         const_double_operand predicate for TARGET_POWERPC64.
4050         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4051         SYMBOL_REF method to ABI_V4.
4052
4053         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4054         replace_equiv_address.
4055         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4056         rs6000_sr_alias_set and MEM_NOTRAP.
4057         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4058
4059 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4060
4061         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4062         handle CALL_EXPR again.
4063
4064 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4065
4066         * arm/predicates.md (alignable_memory_operand): Delete.
4067
4068 2005-09-10  Richard Henderson  <rth@redhat.com>
4069
4070         PR debug/23806
4071         * dbxout.c (dbxout_expand_expr): New.
4072         (dbxout_symbol): Use it.
4073
4074 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4075
4076         * arm.c (arm_gen_rotated_half_load): Delete.
4077         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4078         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4079         (thumb_set_return_address): Likewise.
4080         (thumb_load_double_from_address): Use adjust_address.
4081         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4082         (extendhsisi2_mem, movhi_bytes): Use change_address.
4083         (movhi): Use widen_memory_access.
4084         (reload_out_df): Use replace_equiv_address.
4085         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4086
4087 2005-09-09  Richard Henderson  <rth@redhat.com>
4088
4089         PR debug/20998
4090         * dbxout.c: Include expr.h.
4091         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4092         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4093         * Makefile.in (dbxout.o): Add EXPR_H.
4094
4095 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4096
4097         PR tree-optimization/23509
4098         * tree-cfg.c (replace_uses_by): Use replace_exp.
4099         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4100         pointers have name_mem_tag or type_mem_tag set.
4101
4102 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4103
4104         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4105         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4106         of wrongly accessing operands.
4107
4108 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4109
4110         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4111         * tree-chrec.c: Include tree-scalar-evolution.h.
4112         (chrec_convert): Instantiate the base and step before calling
4113         scev_probably_wraps_p that would fail on parametric evolutions.
4114         Collect all the fails into a single section failed_to_convert,
4115         print a diagnostic, and return chrec_dont_know instead of calling
4116         fold_convert.
4117         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4118         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4119         phi nodes.
4120         (scev_const_prop): Don't replace the definition of a loop closed ssa
4121         phi node by itself, or by another loop closed ssa phi node.
4122         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4123         that base and step are defined.
4124
4125 2005-09-09  Richard Guenther  <rguenther@suse.de>
4126
4127         PR c++/23624
4128         * fold-const.c (fold_ternary): Check truth_value_p before
4129         calling invert_truthvalue.
4130
4131 2005-09-09  Nick Clifton  <nickc@redhat.com>
4132
4133         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4134         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4135         dimension of these arrays.
4136         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4137         these arrays.
4138         * longlong.h: Only provide a prototype for the __clz_tab[] array
4139         if this header has not been included from libgcc2.h.
4140         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4141         defining own types.
4142         Provide prototypes for exported functions.
4143         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4144         libgcc2.c.
4145
4146 2005-09-08  Josh Conner  <jconner@apple.com>
4147
4148         PR c++/21135
4149         PR c++/23180
4150         * expr.c (expand_expr_addr_expr_1): Don't invoke
4151         expand_simple_binop for EXPAND_INITIALIZER.
4152
4153 2005-09-08  Richard Henderson  <rth@redhat.com>
4154
4155         PR debug/23190
4156         * toplev.c (wrapup_global_declaration_1): Split out ...
4157         (wrapup_global_declaration_2): ... from ...
4158         (wrapup_global_declarations): ... here.  Return bool.
4159         (check_global_declaration_1): Split out ...
4160         (check_global_declarations): from here.
4161         (emit_debug_global_declarations): New.
4162         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4163         check_global_declaration_1, emit_debug_global_declarations): Declare.
4164         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4165         of decls.  Call wrapup_global_declaration_1,
4166         wrapup_global_declaration_2, check_global_declaration_1 directly.
4167         (c_write_global_declarations_2): New.
4168         (ext_block): New.
4169         (c_write_global_declarations): Call c_write_global_declarations_2.
4170         * langhooks.c (write_global_declarations): Call
4171         emit_debug_global_declarations.
4172
4173         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4174         remove decls that have DECL_RTL_SET_P.
4175         * passes.c (rest_of_decl_compilation): Invoke
4176         cgraph_varpool_finalize_decl for all but functions.
4177
4178 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4179
4180         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4181         the result of a conversion if the new min and max cannot be compared.
4182
4183 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4184
4185         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4186         (override_options): Setting s390_sr_alias_set removed.
4187         (save_fpr, save_gprs): Set alias set to vararg or frame.
4188         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4189         s390_sr_alias_set with get_frame_alias_set ().
4190         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4191         get_varargs_alias_set ().
4192
4193 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4194
4195         PR objc/20574
4196         PR objc/19324
4197         * c-parser.c (c_parser_objc_method_definition): If the next
4198         token is not "{", error out and don't start the function.
4199
4200 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4201
4202         * tree-vrp.c (extract_range_from_expr): Move the check for non
4203         nullness after the check for gimple invariant.
4204
4205 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4206
4207         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4208
4209 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4210
4211         PR target/23747
4212         * config/m32r.md (movmemsi_internal): Canonicalize order of
4213         operands in PLUS component of template.
4214
4215 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4216
4217         * reload1.c (fixup_eh_region_note): Remove assertion.
4218         (fixup_abnormal_edges): Reverted removal of call to
4219         find_many_sub_basic_blocks made on 2005-08-31.
4220
4221 2005-09-07  Richard Henderson  <rth@redhat.com>
4222
4223         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4224         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4225         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4226         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4227         rearrange for better packing.
4228         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4229         (lookup_cfa_1): Remove inline marker.
4230         (cfa_equal_p): Split out of ...
4231         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4232         (build_cfa_loc): Handle !cfa->indirect.
4233         (frame_pointer_cfa_offset): New.
4234         (dbx_reg_number): Assert register elimination performed; do
4235         leaf register remapping.
4236         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4237         (eliminate_reg_to_offset): New.
4238         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4239         for verifiably local stack frame addresses; re-base to CFA.
4240         (mem_loc_descriptor): Remove can_use_fbreg argument.
4241         (concat_loc_descriptor, loc_descriptor): Likewise.
4242         (containing_function_has_frame_base): Remove.
4243         (rtl_for_decl_location): Don't do register elimination or
4244         leaf register remapping here.
4245         (secname_for_decl): Split out from ..
4246         (add_location_or_const_value_attribute): ... here.
4247         (convert_cfa_to_loc_list): New.
4248         (compute_frame_pointer_to_cfa_displacement): New.
4249         (gen_subprogram_die): Use them.
4250         * tree.h (frame_base_decl): Remove.
4251         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4252         (prologue_stack_adjust): Remove.
4253         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4254         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4255         (set_frame_base_location): Remove.
4256         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4257         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4258         (vt_add_function_parameters): Don't eliminate_regs.
4259         (vt_initialize): Don't create frame_base_decl.
4260
4261 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4262
4263         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4264         version of GNU binutils for 4.x and later.
4265
4266 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4267
4268         * ggc-page.c (ggc_push_context): Remove.
4269         (ggc_pop_context): Likewise.
4270         * ggc.h (ggc_push_context): Remove.
4271         (ggc_pop_context): Likewise.
4272
4273 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4274
4275         PR target/8973
4276         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4277         returning from an interrupt handler.
4278
4279 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4280
4281         PR target/8972
4282         * config/arc/arc.c (output_shift): Add check for loop count when
4283         optimizing.
4284
4285 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4286
4287         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4288         form manually.
4289         (abs_replacement): Likewise.
4290         (pass_phiopt): Remove TODO_update_ssa.
4291
4292 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4293
4294         PR c/23075
4295         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4296         if "return with no value, in function returning non-void" warning
4297         has been issued.
4298         * tree-cfg.c (execute_warn_function_return): Don't look at
4299         RETURN_EXPRs with TREE_NO_WARNING set.
4300
4301         PR target/22362
4302         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4303         for internal functions doesn't use registers used by global registers
4304         variables.  Use fewer register parameters if there are global register
4305         variables.
4306
4307 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4308             Eric Botcazou  <ebotcazou@adacore.com>
4309
4310         PR middle-end/14997
4311         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4312         when we would be extracting outside its bit span (bitpos+bitsize
4313         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4314         Ada unchecked conversions.
4315
4316 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4317
4318         * tree-ssa-pre.c (try_look_through_load): New function.
4319         (compute_avail): Use it to try to look through loads for some
4320         more useful expressions.
4321
4322 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4323
4324         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4325         condition for detecting cases like (a&a) and (a^a).
4326
4327 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4328
4329         * common.opt: Add option ftree-vect-loop-version.
4330         * params.def: Add --param vect-max-version-checks.
4331         * doc/invoke.texi: Document ftree-vect-loop-version and
4332         --param vect-max-version-checks.
4333         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4334         may_misalign_stmts and defines for accessors.
4335         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4336         LOOP_VINFO_MAY_MISALIGN_STMTS.
4337         (destroy_loop_vec_info): VEC_free for
4338         LOOP_VINFO_MAY_MISALIGN_STMTS.
4339         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4340         Update documentation.
4341         (vect_update_misalignment_for_peel): New.
4342         (vect_enhance_data_refs_alignment): Update to choose loop
4343         peeling or loop versioning if appropriate for the (potentially)
4344         unaligned data references in the loop.
4345         (vect_analyze_data_refs_alignment): Remove call to
4346         vect_enhance_data_refs_alignment so the checks can be done
4347         earlier.
4348         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4349         and move up call to vect_analyze_data_refs_alignment.
4350         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4351         (vect_transform_loop): Add call to loop_version.
4352
4353 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4354
4355         PR rtl-optimization/23098
4356         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4357         * simplify-rtx.c (constant_pool_reference_p): New function.
4358         * rtl.h (constant_pool_reference_p): New prototype.
4359         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4360         constant_pool_reference_p in condition and
4361         avoid_constant_pool_reference in preparation statements.
4362
4363 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4364
4365         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4366         STRICT_LOW_PART SETs.
4367
4368 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4369
4370         PR middle-end/21460
4371         * except.c (sjlj_emit_function_enter): Find the function begin
4372         note even when it's not in first basic block.
4373
4374 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4375
4376         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4377         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4378         * aclocal.m4: Regenerate.
4379
4380 2005-09-05  DJ Delorie  <dj@redhat.com>
4381
4382         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4383         of macro.
4384
4385 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4386
4387         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4388         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4389         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4390         Follow spelling conventions.
4391         * doc/invoke.texi: Follow spelling conventions.
4392
4393 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4394
4395         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4396         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4397         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4398
4399 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4400
4401         PR target/23683
4402         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4403         (output_stack_adjust): Use gen_tmp_stack_mem.
4404         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4405         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4406         (sh_get_pr_initial_val): Likewise.
4407         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4408         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4409         * sh.md (divsi_inv_m0): Use gen_const_mem.
4410         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4411         (movdf_i4+1): Use gen_tmp_stack_mem.
4412         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4413         (fpu_switch+2): Likewise.
4414         (movv4sf_i, movv16sf_i): Use adjust_address.
4415         (symGOT_load): Set MEM_NOTRAP_P bit.
4416
4417 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4418
4419         PR target/23721
4420         * pa.c (emit_move_sequence): Fix typo in last change.
4421
4422 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
4423
4424         PR rtl-optimization/23454
4425         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4426         is true.
4427
4428 2005-09-03  Richard Henderson  <rth@redhat.com>
4429             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4430
4431         PR middle-end/23671
4432         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4433         gen_rtx_MEM.
4434
4435 2005-09-02  Nicolas Pitre <nico@cam.org>
4436
4437         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4438         to bit_count to 32 bits.
4439
4440 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
4441
4442         PR c++/23167
4443         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4444         generating synthetic loads from volatile lvalues.
4445
4446 005-09-02  Nick Clifton  <nickc@redhat.com>
4447
4448         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4449         __ctzhi2, __clzhi2): New functions.
4450
4451 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
4452
4453         PR middle-end/23547
4454         * tree-nested.c (struct var_map_elt): Mark with GTY.
4455         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
4456         var_map_elt.
4457         (lookup_field_for_decl): Allocate new element in GC memory.
4458         (lookup_tramp_for_decl): Likewise.
4459         (convert_nl_goto_reference): Likewise
4460         (create_nesting_tree): Allocate info in GC memory. Likewise for
4461         info->var_map.
4462         (free_nesting_tree): Free with ggc_free instead of free.
4463         (root): New static variable.
4464         (lower_nested_functions): Remove root as local variable.  And zero out
4465         root at the end of the function.
4466
4467 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
4468
4469         PR rtl-optimization/20365
4470         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4471         to short.  New member ix.
4472         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4473         (simplify_plus_minus): Initialize ix members before calling qsort.
4474
4475 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
4476
4477         PR tree-optimization/23626
4478         * tree-cfg.c (replace_uses_by): Clean up eh info.
4479
4480 2005-09-01  DJ Delorie  <dj@redhat.com>
4481
4482         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4483         fprintf.
4484
4485 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
4486
4487         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4488         (rs6000_split_multireg_move): Use replace_equiv_address instead of
4489         gen_rtx_MEM.
4490
4491 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
4492
4493         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
4494         do not issue warning for a variable definition following
4495         a declaration.
4496
4497 2005-09-01  Richard Henderson  <rth@redhat.com>
4498
4499         PR 23668
4500         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4501         conversion to CONST_VECTOR.
4502
4503 2005-09-01  Richard Henderson  <rth@redhat.com>
4504
4505         PR 23676
4506         * reload1.c (reload_as_needed): Check !CALL_P before calling
4507         fixup_eh_region_note.
4508         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4509
4510 2005-09-01  DJ Delorie  <dj@redhat.com>
4511
4512         * varasm.c (output_constant): Let the target resolve
4513         conversions of addresses to non-default pointer sizes.
4514
4515 2005-09-01  Nicolas Pitre <nico@cam.org>
4516
4517         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4518         to alow matching ARM pre-indexed addressing mode.
4519         (arm_override_options): Remove now irrelevant comment.
4520
4521 2005-09-01  Phil Edwards  <phil@codesourcery.com>
4522
4523         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
4524         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
4525         * config/i386/vxworks.h:  Likewise.
4526         * config/i386/t-vxworksae:  New file, for VxWorks AE.
4527         * config/i386/vxworksae.h:  Likewise.
4528
4529 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
4530
4531         PR tree-optimization/23410
4532         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4533         sequence is not wrapping during the first step.
4534
4535 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4536
4537         PR debug/7241
4538         * dwarf2out.c (base_type_die): Compare char_type_node with
4539         TYPE_MAIN_VARIANT (type), not type.
4540
4541 2005-09-01  Richard Guenther  <rguenther@suse.de>
4542
4543         PR tree-optimization/15366
4544         * common.opt: Add -finline-functions-called-once.
4545         Put -fearly-inlining in alphabetically ordered place.
4546         * doc/invoke.texi: Document new option.
4547         * ipa-inline.c (cgraph_decide_inlining): Honour
4548         flag_inline_functions_called_once.
4549
4550 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4551
4552         PR rtl-optimization/23478
4553         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4554         (alloc_qty): Initialize it.
4555         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4556         (combine_regs): Combine also n_throwing_calls_crossed fields.
4557         (find_free_reg): Don't attempt to caller-save pseudos crossing
4558         calls that might throw.
4559         * global.c (struct allocno): Add throwing_calls_crossed field.
4560         (global_alloc): Revert 2005-08-22 change.  Initialize
4561         throwing_calls_crossed.
4562         (find_reg): Don't attempt to caller-save pseudos crossing calls that
4563         might throw.
4564
4565 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
4566
4567         PR target/23649
4568         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4569         (mask64_operand): Reinstate code prior to 2005-06-11 change.
4570         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4571         (and64_2_operand): Tweak to use predicate.
4572         (and_operand): Adjust for mask_operand changes.
4573         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4574         (print_operand): Likewise.
4575         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4576         (mask64_1or2_operand): Delete.
4577         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4578         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4579         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4580         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4581         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4582         (rotldi3_internal4): Likewise.
4583         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4584         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4585         (ashldi3_internal7): Likewise.
4586         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4587         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4588         (anddi3 split): Don't match mask64_operand.
4589         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4590         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4591         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
4592         't' splitter predicate.
4593         (movdi_internal64 + 2): Revert 2005-06-11 change.
4594
4595 2005-08-31  DJ Delorie  <dj@redhat.com>
4596
4597         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4598         (m32c_asm_integer): Add support for 32 bit pointers.
4599
4600 2005-08-31  Richard Henderson  <rth@redhat.com>
4601
4602         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4603         component-like references for setting MEM_NOTRAP_P.
4604
4605         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4606         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4607
4608 2005-08-31  Richard Henderson  <rth@redhat.com>
4609
4610         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4611         into a pseudo before applying gen_lowpart.
4612
4613 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
4614
4615         * doc/install.texi (Specific): Update cctools version required
4616         for full functionality.
4617         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4618         linkers as -macosx_version_min.
4619
4620 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
4621
4622         PR target/21255
4623         * sh.c (print_operand, %R and %S): Add handling of floating point
4624         registers, memory, constants and invalid operands.
4625
4626 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
4627
4628         * ipa-pure-const.c: Change dump name.
4629
4630 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4631
4632         PR target/23570
4633         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4634         to "reg_or_0_operand".
4635         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4636
4637 2005-08-31  Dale Johannesen  <dalej@apple.com>
4638
4639         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
4640         loops that count down.
4641
4642 2005-08-31  Richard Henderson  <rth@redhat.com>
4643
4644         PR rtl-opt/23601
4645         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4646         (fixup_eh_region_note): New.
4647         (reload_as_needed): Call it.
4648         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4649         don't call find_many_sub_basic_blocks; call verify_flow_info.
4650         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4651         (keep_stack_depressed): Likewise.
4652         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4653
4654 2005-08-31  Richard Henderson  <rth@redhat.com>
4655
4656         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4657         fp return matching.
4658
4659 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
4660
4661         * expr.c (expand_expr_real_1): Compare size of address
4662         mode to target's address mode size in deciding expansion of
4663         the constant address.
4664
4665 2005-08-31  Richard Guenther  <rguenther@suse.de>
4666
4667         PR middle-end/23477
4668         * expr.c (all_zeros_p): New function.
4669         (expand_expr_real_1): Handle the case of an all-zero
4670         non-addressable constructor separately.
4671
4672 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
4673
4674         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4675         arguments, adjust all callers.
4676         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4677
4678 2005-08-30  Richard Henderson  <rth@redhat.com>
4679
4680         PR target/23630
4681         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4682         whenever the mode sizes match.
4683
4684 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
4685
4686         * calls.c (load_register_parameters): Fix comment typo.
4687         * expr.c (emit_push_insn): Comment formatting.
4688
4689 2005-08-30  Ian Lance Taylor  <ian@airs.com>
4690
4691         * config/i386/x-cygwin (host-cygwin): Change dependency from
4692         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4693
4694 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
4695
4696         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4697         parts of 'vals'.
4698
4699 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
4700
4701         PR middle-end/23408
4702         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4703         call to ggc_collect.
4704
4705 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
4706
4707         PR bootstrap/21268
4708         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4709         beginning.  Remove $(INCLUDES) from all the rules, if following
4710         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4711
4712 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
4713
4714         PR middle-end/23484
4715         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4716         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4717         not constant, but maxlen is, don't set len to maxlen, rather
4718         set maxlen to len if len is a constant.
4719
4720 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
4721
4722         PR tree-optimization/23475
4723         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4724         and counts.
4725
4726 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
4727
4728         Fix PR middle-end/22455
4729
4730         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4731         Checksum only the parts of the tree that exist for the tree code.
4732
4733 2005-08-28  Dale Johannesen  <dalej@apple.com>
4734
4735         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
4736
4737 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
4738
4739         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4740
4741 2005-08-28  Richard Henderson  <rth@redhat.com>
4742
4743         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4744         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4745         of char_type_node.
4746
4747 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
4748
4749         PR ada/23593
4750         * builtins.c (get_memory_rtx): Don't strip nops
4751         in between COMPONENT_REFs.
4752
4753 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
4754
4755         PR middle-end/23463
4756         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4757         types.
4758         (gimplify_modify_expr): Check for zero sized types and gimplify the
4759         rhs and lhs as statements.
4760
4761 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
4762
4763         PR libgcj/23508
4764         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4765         state for return address column of signal frames.
4766
4767 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
4768
4769         PR target/23539
4770         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4771         bytes >= 2 not bytes == 2.
4772         (expand_block_move): Same.
4773
4774 2005-08-27  Richard Guenther  <rguenther@suse.de>
4775
4776         PR target/23575
4777         * config/i386/sse.md (sse2_movsd): Add missing closing
4778         braces.
4779
4780 2005-08-27  Paul Brook  <paul@codesourcery.com>
4781
4782         * genrecog.c (enum decision_type): Add DT_num_insns.
4783         (struct decision_test): Add u.num_insns.
4784         (add_to_sequence): Add DT_num_insns test.
4785         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4786         (write_cond, debug_decision_2): Ditto.
4787         (change_state): Assume peep2_next_insn never fails.
4788         Remove "afterward" argument.
4789         (write afterward, write_tree): Update to match.
4790         * recog.c (peep2_current_count): New variable.
4791         (peep2_next_insn): Check it.
4792         (peephole2_optimize): Set peep2_current_count.
4793         * recog.h (peep2_current_count): Declare.
4794
4795 2005-08-26  Josh Conner  <jconner@apple.com>
4796
4797         PR middle-end/23584
4798         * ipa-pure-const.c (check_tree): Check for volatile-ness
4799         when considering a dereference.
4800
4801 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
4802
4803         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4804
4805 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4806
4807         PR rtl-optimization/23561
4808         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
4809         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4810         at most LEN bytes long memory fits into the field.
4811         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4812         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4813         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4814
4815 2005-08-26  Richard Henderson  <rth@redhat.com>
4816
4817         PR rtl-opt/23560
4818         * loop.c (biased_biv_may_wrap_p): New.
4819         (maybe_eliminate_biv_1): Use it to suppress non-equality
4820         comparison transformations.  Delete disabled code.
4821
4822 2005-08-26  Ian Lance Taylor  <ian@airs.com>
4823
4824         * combine.c (make_extraction): Avoid reference outside object.
4825
4826 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
4827
4828         * stor-layout.c (finalize_type_size): Restore behaviour for
4829         non-aggregate types to the status quo ante of the patch for
4830         pr 23467.  Document why it matters.
4831
4832 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4833
4834         PR c/23506
4835         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4836         array by one element, initialize the BT_LAST element with NULL.
4837
4838 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
4839
4840         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4841         optimizing for size.
4842         (plus_eqsi): Same.
4843         (compare_plus_eqsi): Same.
4844         (plus_eqsi_compare): Same.
4845         (neg_eq0<mode>): Same.
4846         (neg_eq<mode>): Same.
4847
4848         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4849         PROCESSOR_POWER4.
4850
4851 2005-08-26  Nick Clifton  <nickc@redhat.com>
4852
4853         * config/v850/v850.c (ep_memory_operand): Return FALSE if
4854         TARGET_EP is not defined.
4855         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4856         TARGET_EP is enabled.
4857         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4858         * config/v850/v850.md (save_all_interrupt): Only use the EP
4859         register if TARGET_EP is defined.
4860         (restore_all_interrupt): Likewise.
4861         * config/v850/lib1funcs.asm: Update functions so that the EP
4862         register is only used if __EP__ is defined.
4863
4864 2005-08-26  David Ung  <davidu@mips.com>
4865
4866         * config/mips/mips.c (mips_expand_prologue): Handle case when
4867         generating for MIPS16 and the outgoing argument area is more than
4868         SMALL_OPERAND. Use the frame pointer as temporary to generate the
4869         add instruction.
4870
4871 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
4872
4873         * config/crx/crx.md: Make doloop_end pattern usage controllable
4874         via mloop-nesting=<max-nesting> command line switch. Make sure
4875         the combiner cannot use doloop_end_<mode> in an illegal way.
4876         * config/crx/crx.c: Use regs up to r6 for argument passing.
4877         Refine crx_address_cost (non cst4 displacements are expensive).
4878         * config/crx/crx.opt: Add switch for mloop-nesting=.
4879
4880 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
4881
4882         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4883         (UNSPEC_MVST): New constant.
4884
4885 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
4886
4887         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4888         Reject operands containing eliminable registers.
4889         * testsuite/gcc.dg/20050825-1.c: New testcase.
4890
4891 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4892             Jan Hubicka  <jh@suse.cz>
4893
4894         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4895
4896 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4897
4898         PR tree-optimization/23546
4899         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4900         and REAL_CST nodes.
4901
4902 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
4903
4904         * params.def (PARAM_MIN_SPEC_PROB): New.
4905         * sched-rgn.c (MIN_PROBABILITY): Delete.
4906         (compute_trg_info): Convert to PARAM_VALUE.
4907         * doc/invoke.texi (param): Document min-spec-prob.
4908
4909 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
4910
4911         * config/darwin.h: define __PIC__
4912         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4913         TARGET_OS_CPP_BUILTINS macro.
4914
4915 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4916
4917         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4918         yesterday.
4919
4920 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4921
4922         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4923         to duplicate_block.
4924         * cfghooks.c (duplicate_block): Added position where to place
4925         new block as argument.
4926         * cfghooks.h (duplicate_block): Declaration changed.
4927         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
4928         duplicate_block.
4929         * cfglayout.h (copy_bbs): Declaration changed.
4930         * cfgloop.h (loop_version): Declaration changed.
4931         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4932         position to copy_bbs.
4933         (loop_version): Pass position to duplicate_loop_to_header_edge.
4934         Add place_after argument and position new blocks according to
4935         it.
4936         * modulo-sched.c (sms_schedule): Pass place_after argument
4937         to loop_version.
4938         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4939         * tree-cfg.c (split_edge_bb_loc): New function.
4940         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4941         to determine position of new blocks.
4942         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4943         to loop_version.
4944         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4945         argument to duplicate_block.
4946         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4947         Pass position to copy_bbs.
4948
4949 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4950
4951         * fold-const.c (ptr_difference_const): Use
4952         cst_and_fits_in_hwi instead of host_integerp.
4953
4954 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4955
4956         * config/darwin.c (gen_pic_offset): New.
4957         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
4958         Use it.
4959
4960 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
4961
4962         PR tree-optimization/23486
4963         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4964
4965 2005-08-23  Phil Edwards  <phil@codesourcery.com>
4966
4967         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
4968         remove use_collect2.
4969         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
4970
4971         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
4972         configuration files to override the default value.
4973
4974         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
4975         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4976         * config/vx-common.h:  New file, split out from...
4977         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
4978         * config/vxworksae.h:  New file, for VxWorks AE.
4979         * config/vxworks.opt:  New file.
4980         * config/vxlib.c:  Update for VxWorks 6.
4981
4982         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
4983         other MULTILIB_* variables appropriately.
4984         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
4985         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
4986         * config/rs6000/vxworks.h:  Update for VxWorks 6.
4987         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
4988
4989 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
4990
4991         PR target/20799
4992         * config/darwin.c (machopic_select_section): Remove the hack to
4993         mark "::operator new" and "::operator delete" for coalescing
4994         even though they are not weak.
4995
4996 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
4997
4998         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4999         * configure: Regenerate.
5000
5001 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5002
5003         PR middle-end/23517
5004         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5005         between vectors.
5006         * convert.c (convert_to_integer, convert_to_vector): Likewise.
5007         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5008         Likewise.
5009
5010 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5011
5012         * config/rs6000/predicates.md (equality_operator): New.
5013         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5014         comparison with a large constant.
5015
5016 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
5017
5018         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5019
5020 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
5021
5022         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5023         registers is even, and we have a hardware double precision fp,
5024         align the buffer.
5025         (sh_gimplify_va_arg_expr): For floating point arguments, consider
5026         size of current argument when checking if argument was passed in
5027         registers.
5028
5029         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5030
5031         PR middle-end/23467
5032         * stor-layout.c (finalize_type_size): Dont override
5033         existing alignment with a smaller alignment from the mode.
5034
5035 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5036
5037         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5038         * lambda.h (lambda_vector_lexico_pos): ... here.
5039         * tree-data-ref.c (build_classic_dist_vector): Return false when
5040         the distance vector is lexicographically negative.
5041
5042 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5043
5044         PR tree-optimization/23511
5045         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5046         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5047
5048 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5049
5050         PR tree-optimization/22043
5051         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5052         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5053         If ALLOW_FLEXARR, handle types ending with flexible array member.
5054         Pass false as second argument to recursive count_type_elements calls.
5055         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5056         argument to count_type_elements call.
5057         * tree-sra.c (decide_block_copy): Likewise.
5058         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5059         for a constant-sized object, set cleared as well.  Pass true as
5060         second argument to count_type_elements call.
5061
5062 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5063
5064         PR target/21571
5065         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5066         from legitimate_small_data_p, and make global.  Update use.
5067         Remove forward declaration.
5068         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5069         Declare.
5070         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5071
5072 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5073
5074         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5075         of scratch intermediates.
5076         (eq<mode>_compare): Same.
5077         (neg_eq0<mode>): New.
5078         (neg_eq<mode>): Convert to define_insn_and_split.
5079
5080 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5081
5082         PR target/23070
5083         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5084         stdarg functions, set/clear the fp marker even when no variable
5085         args are passed.
5086         * config/rs6000/sysv4.opt (mprototype): Describe.
5087
5088 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5089
5090         PR rtl-optimization/23478
5091         * regs.h (reg_info): Add throw_calls_crossed.
5092         (REG_N_THROWING_CALLS_CROSSED): Define.
5093         * flow.c (allocate_reg_life_data): Initialize
5094         REG_N_THROWING_CALLS_CROSSED.
5095         (propagate_one_insn, attempt_auto_inc): Update
5096         REG_N_THROWING_CALLS_CROSSED.
5097         * global.c (global_alloc): Don't allocate pseudos across
5098         calls that may throw.
5099
5100 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5101
5102         PR c/18715
5103         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5104         value is inbetween the range if we did not find an exact match.
5105
5106 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5107
5108         * doc/invoke.texi (Option Summary): Add ms1 options.
5109         * doc/extend.texi: Document interrupt handler attribute for ms1.
5110         * doc/md.texi: Document ms1 constraints.
5111         * config.gcc: Add ms1-*-elf.
5112         * config/ms1/ms1.h: New.
5113         * config/ms1/ms1.c: New.
5114         * config/ms1/ms1.md: New.
5115         * config/ms1/ms1-protos.h: New.
5116         * config/ms1/ABI.txt: New.
5117         * config/ms1/crti.asm: New.
5118         * config/ms1/crtn.asm: New.
5119         * config/ms1/lib2extra-funcs.c: New.
5120         * config/ms1/t-ms1: New.
5121         * config/ms1/ms1.opt: New.
5122
5123 2005-08-22 Ira Rosen <irar@il.ibm.com>
5124
5125         * config/rs6000/altivec.md (xorv4sf3): New.
5126         (negv4sf2, neg<mode>2): Likewise.
5127
5128 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5129
5130         PR target/23485
5131         * config/ia64/ia64.md (divsi3): Check divide by zero.
5132         (udivsi3): Likewise.
5133         (divdi3): Likewise.
5134         (udivdi3): Likewise.
5135
5136 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5137
5138         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5139         up to elem_bitsize bits, not max_bitsize.
5140
5141 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5142
5143         PR tree-optimization/23433
5144         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5145         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5146
5147 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5148
5149         PR tree-optimization/23434
5150         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5151         the iteration bound is not an INTEGER_CST.
5152
5153 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5154
5155         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5156         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5157         NULL if need_epilog_adjust is false.
5158         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5159         Case 3 always peels first itration, not just for PLUS case, and no need
5160         to use scalar_initial_def here. Create an epilog adjustment only if
5161         scalar_initial_def is not NULL.
5162
5163         (vectorizable_reduction): Remove assert.
5164
5165 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5166
5167         PR target/23485
5168         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5169         (__moddi3): Likewise.
5170         (__udivdi3): Likewise.
5171         (__umoddi3): Likewise.
5172         (__divsi3): Likewise.
5173         (__modsi3): Likewise.
5174         (__udivsi3): Likewise.
5175         (__umodsi3): Likewise.
5176
5177 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5178
5179         * tree-pass.h (TDF_GRAPH): Define.
5180         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5181         * passes.c (finish_optimization_passes): Only call
5182         finish_graph_dump_file if TDF_GRAPH is set.
5183         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5184         NULL.  Set TDF_GRAPH bit.
5185         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5186
5187 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5188
5189         * arm.h (arm_stack_offsets): Add locals_base field.
5190         * arm.c (arm_get_frame_offsets): Compute it.
5191         (thumb_compute_initial_elimination offset): Make the Thumb frame
5192         pointer point to the base of the local variables.
5193         (thumb_expand_prologue): Update accordingly.
5194         (thumb_expand_epilogue): Likewise.
5195
5196         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5197         mode of clobbered scratch to DImode.  Handle a case that's known to
5198         need this.
5199
5200 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5201
5202         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5203         (gt0<mode>_compare): Delete.
5204         (neg_gt0<mode>): Delete.
5205
5206 2005-08-19  Eric Christopher  <echristo@apple.com>
5207
5208         * optabs.h: Change CTI_ to COI_.
5209         * optabs.c: Ditto.
5210
5211 2005-08-19  James E Wilson  <wilson@specifix.com>
5212
5213         * builtins.c (expand_builtin_return_addr): Set
5214         current_function_accesses_prior_frames when count != 0.  Use
5215         frame_pointer_rtx when count == 0.
5216         * function.h (struct function): Add accesses_prior_frames field.
5217         (current_function_accesses_prior_frames): Define.
5218         * reload1.c (init_elim_table): Check
5219         current_function_accesses_prior_frames.
5220         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5221
5222 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5223
5224         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5225         indicator.  Return true if the flowgraph changed during
5226         cleanup.
5227
5228 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5229
5230         PR 23476
5231         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5232         conditional expression before testing its value.
5233
5234 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5235
5236         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5237
5238 2005-08-19  Devang Patel  <dpatel@apple.com>
5239
5240         PR tree-optimization/23048
5241         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5242         third parameter. Check whether latch is dominated by exit
5243         block or not.
5244         (if_convertible_loop_p): Supply exit block itself to
5245         if_convertible_bb_p.
5246
5247 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5248
5249         PR target/23473
5250         * arm.md (arm_load_pic_register): Change argument to the mask of
5251         saved registers.  Call thumb_find_work_register if we need a
5252         scratch register on Thumb.
5253         (arm_expand_prologue): Pass empty register set to
5254         arm_load_pic_register.
5255         (thumb_expand_prologue): Pass live_regs_mask directly to
5256         arm_load_pic_register.
5257         * arm-protos.h (arm_load_pic_register): Update prototype.
5258
5259 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5260
5261         * sh.c (find_sole_member): New function.
5262         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5263         if the record's alignment is larger than the size of its only member.
5264
5265 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5266
5267         PR target/23436
5268         * arm.c (thumb_legitimize_reload_address): New function.
5269         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5270         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5271
5272 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5273
5274         * config/crx/crx.c: Implement crx_decompose_address. Reject
5275         symbolic displacements since CRX register relative adressing
5276         mode can't handle unsigned 32-bit values as displacements.
5277         * config/crx/crx.h: Simplify definitions, remove redundant
5278         parenthesis and obsolete macros.
5279         * config/crx/crx.opt: Add new switch for debugging addresses.
5280         * config/crx/crx-protos.h: Add new declarations for above.
5281
5282 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5283
5284         PR middle-end/20624
5285         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5286         looking past it.
5287
5288 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5289
5290         * collect2.c (dup2): Delete.
5291         * configure.ac: Don't check for dup2.
5292
5293         * config.in, configure: Regenerate.
5294
5295 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5296
5297         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5298         record with the type of its only member.
5299
5300 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5301
5302         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5303         define_insn_and_split.
5304         (plus_ltu<mode>_compare): Same.
5305         (gtu<mode>_compare): Same.
5306         (plus_gtu<mode>_compare): Same.
5307
5308 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5309
5310         PR tree-optimization/22228
5311         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5312         todo_flags_start.
5313         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5314         are recorded in vect_vnames_to_rename for renaming.
5315         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5316         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5317         in vect_vnames_to_rename.
5318         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5319         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5320
5321 2005-08-18  Jan Hubicka  <jh@suse.cz>
5322
5323         PR c++/22034
5324         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5325         info only for local statics, not for member variables.
5326
5327 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5328
5329         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5330
5331 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5332
5333         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5334
5335 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5336
5337         PR middle-end/16045
5338         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5339
5340 2005-08-17  James E Wilson  <wilson@specifix.com>
5341
5342         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5343         array size check.
5344
5345 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5346
5347         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5348         (leu<mode>_compare): Same.
5349         (plus_leu<mode>): Same.
5350         (neg_leu<mode>): Same.
5351         (and_neg_leu<mode): Same.
5352         (ltu<mode>_compare): Same.
5353         (plus_ltu<mode>): Same.
5354         (geu<mode>): Same.
5355         (geu<mode>_compare): Same.
5356         (plus_geu<mode>): Same.
5357         (neg_geu<mode>): Same.
5358         (and_neg_geu<mode>): Same.
5359         (plus_gt<mode>): Same.
5360         (gtu<mode>_compare): Same.
5361         (plus_gtu<mode>): Same.
5362
5363 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5364
5365         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5366         Move call_table_data to end.  Delete spurious .text.
5367         (callt_save_all_interrupt): Fix comment typo.
5368
5369 2005-08-17  James E Wilson  <wilson@specifix.com>
5370             Kevin Winchester  <winchester@amirix.com>
5371
5372         PR target/21684
5373         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5374
5375 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5376
5377         PR target/23268
5378         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5379         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5380
5381 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5382
5383         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5384         record with the type of its only member if the modes don't match.
5385
5386         * varasm.c (decode_reg_name): Skip empty additional register names.
5387
5388 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5389
5390         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5391         lsm_tmp_name_length): New.
5392         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5393         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5394
5395 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5396             Andreas Krebbel  <krebbel1@de.ibm.com>
5397
5398         * config.gcc: Added z9-109 switch.
5399         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5400         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5401         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5402         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5403         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5404         for "z9_109" cpu attribute.
5405         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5406         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5407         (s390_handle_arch_option): Added z9-109 switch.
5408         (override_options): Set respective cost function for z9-109.
5409         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5410         (legitimate_reload_constant_p): Accept extended immediates.
5411         (print_operand): Three new output modifiers added: k, m and o.
5412         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5413         (s390_output_mi_thunk): Use extended immediate when possible.
5414         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5415         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5416         (CONSTRAINT_LEN): Added length of O constraint.
5417         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5418         * config/s390/s390.md ("cpu"): New value z9_109 added.
5419         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5420         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5421         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5422         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5423         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5424         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5425         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5426         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5427         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5428         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5429         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5430         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5431         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5432         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5433         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5434         immediates.
5435         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5436         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5437         insns for TARGET_EXTIMM.
5438
5439 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5440
5441         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5442
5443 2005-08-17  Nick Clifton  <nickc@redhat.com>
5444
5445         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5446         Call default_encode_section_info.
5447
5448 2005-08-17  Steven Bosscher  <stevenb@suse.de>
5449
5450         PR tree-optimization/21574
5451         * tree-ssa-ccp.c (likely_value): If the right hand side is a
5452         constant, return CONSTANT.
5453         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5454         (ccp_fold, visit_assignment): Likewise.
5455         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5456
5457 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5458
5459         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5460         fold_buildN instead of buildN then fold_initializer or fold.
5461         (build_unary_op): Likewise.
5462         (build_binary_op): Likewise.
5463         * fold-const.c (fold_initializer): Remove.
5464         (fold_build1_initializer): New function.
5465         (fold_build2_initializer): New function.
5466         (fold_build3_initializer): New function.
5467         * tree.h (fold_initializer): Remove.
5468         (fold_build1_initializer): New function.
5469         (fold_build2_initializer): New function.
5470         (fold_build3_initializer): New function.
5471
5472 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5473
5474         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5475         (try_move_mult_to_index): Call fold_build2 instead of build2.
5476         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5477         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5478         fold_binary_to_constant.
5479         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5480         fold (build.
5481         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5482         check if A == gcd (A, B).  Remove TYPE argument.
5483         (analyze_offset) Use fold_build2 instead of fold (build.
5484         (create_data_ref): Likewise.
5485         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5486         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5487         then fold.
5488
5489 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
5490
5491         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5492         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5493
5494 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
5495
5496         PR tree-opt/23402
5497         * gimplify.c (zero_sized_type): New function.
5498         (gimplify_modify_expr_rhs): If we have a zero sized type,
5499         replace the statement with an empty statement.
5500
5501 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5502
5503         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5504         fxsave.
5505
5506 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5507
5508         * doc/tm.texi (Label Output): Correct typo.
5509
5510 2005-08-16  Steven Bosscher  <stevenb@suse.de>
5511
5512         PR target/23376
5513         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5514         force_operand will work later on using have_insn_for.
5515
5516 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5517
5518         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5519
5520 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5521
5522         PR c++/23337
5523         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5524         vector type, don't try to construct it element by element.  Add an
5525         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5526
5527 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5528
5529         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5530
5531 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
5532
5533         * doc/invoke.texi (Precompiled Headers): Document some more options
5534         which are known to be safe.
5535
5536 2005-08-16  James E Wilson  <wilson@specifix.com>
5537
5538         PR tree-optimization/21105
5539         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5540         TREE_OVERFLOW check.
5541
5542 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
5543
5544         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5545         (neg_ltu<mode>): Same.
5546         (gtu<mode>): Same.
5547         (neg_gtu<mode>): Same.
5548
5549 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5550
5551         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5552         (fold_builtin_isdigit): Use fold_buildN.
5553         (build_function_call_expr): Likewise.
5554         * c-typeck.c (c_finish_loop): Likewise.
5555
5556 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
5557             Richard Shann <rshann@superh.com>
5558
5559         PR middle-end/20396:
5560         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5561
5562 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
5563
5564         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5565
5566 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5567
5568         PR target/23355
5569         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5570         arm_compure_save_reg0_reg12_mask to determine when the PIC register
5571         must be saved.
5572
5573 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5574
5575         PR middle-end/23369
5576         * fold-const.c (build_range_check): Disable optimization for function
5577         pointer expressions on targets that require function pointer
5578         canonicalization.
5579
5580 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5581
5582         * simplify-rtx.c (simplify_const_relational_operation): When
5583         extracting arguments of a COMPARE, recompute the mode as well.
5584
5585 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5586
5587         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5588
5589 2005-08-15  DJ Delorie  <dj@redhat.com>
5590
5591         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5592         the stack.
5593         (movsi_splittable): Allow, but split, moves to the stack.
5594         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5595         stack.
5596
5597 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5598
5599         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5600         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5601         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5602
5603         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5604         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5605         Delete HOST_PTR_PRINTF.
5606
5607         * configure, config.in: Regenerate.
5608
5609 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
5610
5611         * config/rs6000/rs6000.md (QHSI): New mode macro.
5612         (wd): Extend mode attr for QImode and HImode
5613         (dbits): New mode attr.
5614         (zero_extend<mode>di2): Convert to mode macro.
5615
5616 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
5617
5618         PR target/21841
5619         * doc/invoke.texi (-mgnu-ld): Update description.
5620         (-mhp-ld): Ditto.
5621
5622 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5623
5624         PR 23391
5625         * Makefile.in (tree-chrec.o): Depends on real.h.
5626         * tree-chrec.c: Include real.h.
5627         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5628         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5629         * tree-scalar-evolution.c (add_to_evolution_1,
5630         interpret_rhs_modify_expr): Ditto.
5631
5632 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5633
5634         PR 23386
5635         * tree-data-ref.c (estimate_niter_from_size_of_data): When
5636         step is negative compute the estimation from init downwards to zero.
5637
5638 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
5639
5640         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5641
5642 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5643
5644         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5645         constraint.
5646         (legitimate_reload_constant_p): Fix handling of lliXX operands.
5647         Accept double-word constants that can be split.
5648         * config/s390/s390.md ("movti"): Use 'P' constraint.
5649         ("*movdi_31", "*movdf_31"): Likewise.
5650
5651 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
5652
5653         Fix PR tree-optimization/22615
5654
5655         * tree-ssa-structalias.c (solution_set_add): Handle
5656         first_vi_for_offset returning NULL.
5657         (do_da_constraint): Ditto.
5658         (do_sd_constraint): Ditto.
5659         (do_ds_constraint): Ditto
5660         (find_func_aliases): Ditto.
5661         (build_constraint_graph): RHS is allowed be ANYTHING.
5662         (first_vi_for_offset): Return NULL if we couldn't find anything at
5663         the offset.
5664
5665 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5666
5667         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5668         over memory as first operand.
5669
5670 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
5671
5672         PR target/23360
5673         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5674         available for setting it.
5675
5676 2005-08-14  Ira Rosen  <irar@il.ibm.com>
5677
5678         PR tree-optimization/23320
5679         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5680         data-refs' types instead of base object nullness. Add check for
5681         pointer type data-refs before first location comparison. Remove
5682         assert.
5683
5684 2005-08-14  Andreas Schwab  <schwab@suse.de>
5685
5686         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5687
5688 2005-08-13  James E Wilson  <wilson@specifix.com>
5689
5690         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5691         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5692         -fstack-protector-all, --param ssp-buffer-size): Document.
5693         (-Wvariadic-macros): Alphabetize.
5694         (-fsched-stalled-insns-dep): Add missing 'f'.
5695
5696         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5697         macros.
5698
5699 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
5700
5701         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5702         or indirect address operand.
5703         (EXTRA_ADDRESS_CONSTRAINT): New.
5704         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5705
5706 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
5707
5708         PR tree-optimization/22236
5709         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5710         successors and predecessors.
5711         * tree-chrec.c (chrec_convert): Before converting, check that
5712         sequences don't wrap.
5713         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5714         (analyze_array): Extern.
5715         (find_data_references_in_loop): Remove call to
5716         compute_estimated_nb_iterations.
5717         * tree-data-ref.h (analyze_array): Declared.
5718         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5719         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5720         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5721         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5722         condition.
5723         * tree-ssa-loop-ivcanon.c: Fix documentation.
5724         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5725         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5726         (infer_loop_bounds_from_undefined): New.
5727         (estimate_numbers_of_iterations_loop): Use
5728         infer_loop_bounds_from_undefined.
5729         (used_in_pointer_arithmetic_p): New.
5730         (scev_probably_wraps_p): Pass an extra parameter.  Call
5731         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
5732         (convert_step): Fix documentation.
5733         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5734         Use initial_condition_in_loop_num and evolution_part_in_loop_num
5735         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
5736         scev_probably_wraps_p.
5737
5738 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
5739
5740         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5741         (s390_register_info): Ignore clobbered_regs information for fixed
5742         registers, and only fixed registers.
5743         (s390_init_frame_layout): Remove redundant call.
5744
5745 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
5746
5747         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5748         description of -Wold-style-casts.
5749
5750 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5751             Jakub Jelinek  <jakub@redhat.com>
5752
5753         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5754         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5755         * config/s390/s390.c (print_operand): New output modifier 'G' added.
5756         (get_thread_pointer): Renamed to s390_get_thread_pointer.
5757         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5758         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5759         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5760         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5761         ("stack_protect_set", "stack_protect_test"): New expanders.
5762         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5763         "stack_protect_testdi"): New insn definitions.
5764
5765 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5766
5767         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5768
5769 2005-08-12  Paul Brook  <paul@codesourcery.com>
5770
5771         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5772
5773 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5774
5775         * config/s390/predicates.md (setmem_operand): New predicate.
5776         (shift_count_operand): Accept ANDs with special constants as
5777         operand.
5778         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5779         with special constants.
5780         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5781         shift_count_operand with setmem_operand.
5782
5783 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5784
5785         * config/s390/s390.c (s390_extract_part, s390_single_part):
5786         Type cast added.
5787         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5788         (s390_output_mi_thunk): Don't use lg on 31 bit.
5789         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5790         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5791
5792 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5793
5794         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5795         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5796         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5797         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5798         with one of the new macros.
5799
5800 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5801
5802         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5803         Don't set save_return_addr_p.
5804         (s390_register_info): Make clobbered_regs not depending on
5805         save_return_addr_p.
5806
5807 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5808
5809         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5810         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5811
5812 2005-08-11  James E. Wilson  <wilson@specifix.com>
5813
5814         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5815
5816 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
5817
5818         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5819         locations gathered by var-tracking in single entry loc_list
5820         over loc_descriptor_from_tree.
5821
5822         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5823         pass it down to loc_descriptor.
5824         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5825         (containing_function_has_frame_base): Move earlier in the file.
5826         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5827         instead of always assuming fbreg can't be used.
5828
5829 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
5830
5831         * config/rs6000/altivec.md: Change constraint "m" to "Z".
5832         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5833         Accept address wrapped in AND for Altivec.
5834         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5835         Strip AND wrapping offset address for Altivec.
5836
5837 2005-08-11  Richard Henderson  <rth@redhat.com>
5838
5839         PR middle-end/23312
5840         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5841         before using TYPE_IS_SIZETYPE.
5842
5843 2005-08-11  Richard Henderson  <rth@redhat.com>
5844
5845         PR target/22225
5846         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5847         insn types not present on ev4.
5848         (alphaev5_insn_pipe): Similarly.
5849
5850 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5851
5852         PR target/23250
5853         * arm.c (arm_override_options): If the user has selected callee-super-
5854         interworking, then enable normal interworking.
5855
5856 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5857
5858         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5859         redefinition.
5860
5861 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
5862
5863         * doc/rtl.texi: Fix two typos.
5864
5865 2005-08-11  Richard Guenther  <rguenther@suse.de>
5866
5867         PR target/23289
5868         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5869         cases where we call to/from functions returning void.
5870
5871 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
5872
5873         PR c++/23225
5874         * tree.c (build_pointer_type_for_mode): Robustify.
5875
5876 2005-08-10  James E Wilson  <wilson@specifix.com>
5877
5878         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5879         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5880
5881         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5882         "cum->".
5883
5884 2005-08-10  Eric Christopher  <echristo@apple.com>
5885
5886         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5887         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5888         V2DFmode.
5889
5890 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
5891
5892         PR target/21887
5893         * config/darwin.c (machopic_indirect_data_reference): Use a new register
5894         for the high part when generating dynamic-no-pic code.
5895
5896 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5897
5898         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5899         (x86_64-*-linux*): Likewise.
5900
5901         * config/i386/crtfastmath.c: New file.
5902         * config/i386/t-crtfm: Likewise.
5903
5904         * config/i386/linux.h (ENDFILE_SPEC): New.
5905         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5906
5907         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5908         crtfastmath.o.
5909
5910 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
5911
5912         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5913         (vec_shl, vec_shr): Document new operations.
5914         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5915
5916 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
5917
5918         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5919         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5920         change predicate to indexed_or_indirect_address.
5921
5922 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
5923
5924         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5925         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5926         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5927         and __aeabi_uwrite8.
5928         * config/arm/unaligned-funcs.c: New file.
5929         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5930
5931 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
5932
5933         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5934         Add dump.
5935         * cfglayout.c (pass_insn_locators_initialize): Add dump.
5936         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5937         Add dump.
5938         * except.c (pass_convert_to_eh_region_ranges): Add dump.
5939         * final.c (pass_shorten_branches): Add dump.
5940         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5941         (pass_life): Rename dump.
5942         (rest_of_handle_flow2): Remove initial verify_flow_info.
5943         * function.c (pass_instantiate_virtual_regs): Add dump.
5944         * integrate.c (pass_initial_value_sets): Add dump.
5945         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5946         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5947         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5948         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5949         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5950         gate_rtl_unrool_and_peel_loops): New.
5951         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5952         rtl_doloop): Do not look at flags.
5953         * mode-switching.c (pass_mode_switching): Add dump.
5954         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5955         pass_split_before_regstack): Add dump.
5956         * regmove.c (pass_stack_adjustments): Add dump.
5957         * tree-optimize.c (pass_fixup_cfg): Add dump.
5958
5959 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5960
5961         PR 23309
5962         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5963         deciding which instruction sequence to use.
5964
5965 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
5966
5967         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5968         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5969
5970 2005-08-09  Richard Guenther  <rguenther@suse.de>
5971
5972         * c-common.c (builtin_function_2): Remove.
5973         (def_builtin_1): New function.
5974         (c_common_nodes_and_builtins): Use def_builtin_1 to
5975         build builtin functions.
5976
5977 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
5978
5979         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5980         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5981         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5982         Visual DSP.
5983
5984 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5985
5986         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5987         fold_binary instead of fold_build2 since we don't care about the
5988         resulting tree.
5989         (loop_niter_by_eval): Likewise.
5990         (compare_trees): Likewise.
5991         (proved_non_wrapping_p): Likewise.
5992
5993 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5994
5995         PR c/23161
5996         PR c/23165
5997         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5998         if the if is really empty.
5999
6000 2005-08-09  Steven Bosscher  <stevenb@suse.de>
6001
6002         PR tree-optimization/23234
6003         * tree-ssa-math-opts.c (place_reciprocal): New enum.
6004         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6005         argument of the new enum.
6006         (execute_cse_reciprocals): Add reciprocals for function arguments
6007         on the unique successor edge of the entry block.  Update other calls
6008         to execute_cse_reciprocals_1.
6009
6010 2005-08-08  Richard Henderson  <rth@redhat.com>
6011
6012         PR 22439
6013         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6014
6015 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
6016
6017         * expr.c (write_complex_part): Return after handling MEM.
6018
6019 2005-08-08  Josh Conner  <jconner@apple.com>
6020
6021         PR rtl-optimization/23241
6022         * combine.c (simplify_comparison): Fix error in determining
6023         whether to lift a subreg from comparison.
6024
6025 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
6026
6027         PR target/18506
6028         * config/rs6000/altivec.md (vec_init<mode>): New.
6029         (vec_set<mode>): New.
6030         (vec_extract<mode>): New.
6031         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6032         (rs6000_expand_vector_set): New.
6033         (rs6000_expand_vector_extract): New.
6034         (rs6000_legitimate_offset_address_p): Offset addresses are valid
6035         for Altivec modes before reload.
6036         (altivec_expand_vec_init_builtin): New.
6037         (get_element_number): New.
6038         (altivec_expand_vec_set_builtin): New.
6039         (altivec_expand_vec_ext_builtin): New.
6040         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6041         builtins.
6042         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6043         builtins.
6044         * config/rs6000/rs6000.h (rs6000_builtins): Add
6045         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6046         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6047         * config/rs6000/rs6000-protos.h: Declare new functions.
6048
6049 2005-08-08  Jan Hubicka  <jh@suse.cz>
6050
6051         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6052         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6053         * i386.md (movdi*): Use pic_32bit_operand.
6054         * predicates.md (pic_32bit_operand): New.
6055
6056 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6057
6058         PR c++/21166
6059         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6060
6061 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6062
6063         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6064         (test_for_singularity): Use fold_build2.
6065
6066 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6067
6068         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6069
6070 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6071
6072         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6073         (COMMON_ASM_OP) Define.
6074         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6075         (ix86_encode_section_info): Likewise.
6076         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6077         SUBTARGET_ENCODE_SECTION_INFO.
6078
6079 2005-08-06  Richard Henderson  <rth@redhat.com>
6080
6081         PR 21894
6082         * tree-nested.c (convert_local_reference): Save and restore val_only
6083         around component_ref and friends.  Clear walk_subtrees by default.
6084
6085 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6086
6087         PR 21366
6088         * gcc.c (process_command): Check the argument to -b has a dash.
6089         * doc/invoke.texi: Update -b and -V docs.
6090
6091 2005-08-06  James E Wilson  <wilson@specifix.com>
6092
6093         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6094
6095 2005-08-06  Michael Matz  <matz@suse.de>
6096
6097         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6098         member only if only one insn is associated with the value.
6099
6100 2005-08-06  Nick Clifton  <nickc@redhat.com>
6101
6102         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6103         New define.
6104         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6105         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6106         Check symbol flags instead of symbol name mangling.
6107         (xstormy16_asm_output_aligned_common): Likewise.  Also
6108         simplify code since the bss100_section cass is the only case
6109         where the below100 code will be triggered.
6110         (xstormy16_encode_section_info): Encode below100 attribute
6111         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6112         the name.
6113         (xstormy16_strip_name_encoding): Delete - this function is no
6114         longer needed.
6115         (TARGET_STRIP_NAME_ENCODING): Undefine.
6116         * config/stormy16/stormy16-protos.h: Delete prototype for
6117         xstormy16_strip_name_encoding.
6118
6119 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6120
6121         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6122         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6123         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6124         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6125         config/alpha/predicates.md, config/arc/arc.h,
6126         config/arm/arm.h, config/arm/ieee754-df.S,
6127         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6128         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6129         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6130         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6131         config/m68hc11/m68hc11.h, config/mips/mips.c,
6132         config/mips/mips.h, config/mips/openbsd.h,
6133         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6134         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6135         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6136         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6137         config/sparc/linux.h, config/sparc/linux64.h,
6138         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6139         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6140         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6141         typos.  Follow spelling conventions.
6142
6143 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6144
6145         PR c/23113
6146         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6147         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6148         specially.  Check for side effects only for COND_EXPR.
6149         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6150         return with TREE_NO_WARNING.
6151
6152 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6153
6154         PR rtl-optimization/23233
6155         * loop.c (combine_movables): Require the modes to be the same.
6156         (move_movables): Remove handling of cases where the replacement
6157         had a different mode to the original.
6158
6159 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6160
6161         PR tree-optimization/23128
6162         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6163         subtraction wrap, and set TREE_OVERFLOW if they do.
6164
6165 2005-08-05  Richard Henderson  <rth@redhat.com>
6166
6167         PR 21728
6168         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6169         FORCED_LABEL labels.
6170
6171 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6172
6173         PR middle-end/23135
6174         * reload.c (find_reloads_subreg_address): Pass down TYPE
6175         unchanged.  Change all callers except find_reloads_toplev.
6176
6177 2005-08-05  Michael Matz  <matz@suse.de>
6178
6179         * genattrtab.c (current_alternative_string): Remove.
6180         (SIMPLIFY_ALTERNATIVE): Ditto.
6181         (attr_alt_bit_p): Ditto.
6182         (alternative_name): Make const char *.
6183         (evaluate_eq_attr): Remove use of above things.
6184         (simplify_test_exp): Ditto.
6185         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6186         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6187
6188 2005-08-04  James E Wilson  <wilson@specifix.com>
6189
6190         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6191         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6192         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6193         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6194         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6195
6196 2005-08-04  Richard Henderson  <rth@redhat.com>
6197
6198         PR 21529
6199         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6200         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6201         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6202         if we'd have to instantiate too many members.
6203
6204 2005-08-04  Richard Henderson  <rth@redhat.com>
6205
6206         PR 21291
6207         * tree-outof-ssa.c (coalesce_asm_operands): New.
6208         (coalesce_ssa_name): Use it.  Split out ...
6209         (coalesce_phi_operands, coalesce_result_decls): ... these.
6210
6211 2005-08-04  Paul Brook  <paul@codesourcery.com>
6212
6213         * read-rtl.c (read_quoted_string): Break if EOF.
6214
6215 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6216
6217         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6218         (fold_build2): Likewise.
6219         (fold_build3): Likewise.
6220         (fold_build1_stat): New function prototype.
6221         (fold_build2_stat): Likewise.
6222         (fold_build3_stat): Likewise.
6223         * fold-const.c (fold_build1): Rename to ..
6224         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6225         through to build1_stat.
6226         (fold_build2): Rename to ..
6227         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6228         through to build2_stat.
6229         (fold_build3): Rename to ..
6230         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6231         through to build3_stat.
6232
6233 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6234             Ian Lance Taylor  <ian@airs.com>
6235
6236         * function.c (assign_stack_local_1): Do not correct stack slot
6237         address if allocation size is smaller than mode size.
6238
6239 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6240
6241         PR 22037
6242         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6243         (tree_merge_blocks): Propagate anything allowed by
6244         may_propagate_copy.
6245         Clarify documentation.
6246         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6247         SSA form, schedule an update if necessary.
6248
6249 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6250
6251         * doc/install.texi (Binaries): Remove broken link to
6252         Sinix/Reliant Unix binaries.
6253
6254 2005-08-03  Richard Henderson  <rth@redhat.com>
6255
6256         PR 23221
6257         * function.c (stack_protect_epilogue): Export.
6258         * tree.h (stack_protect_epilogue): Declare.
6259         * calls.c (expand_call): Call it.
6260
6261 2005-08-03  Eric Christopher  <echristo@apple.com>
6262
6263         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6264         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6265         spec.
6266
6267 2005-08-04  Jan Hubicka  <jh@suse.cz>
6268
6269         * profile.c (branch_prob): Split edges with goto locus on them
6270         to get proper line counts.
6271         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6272
6273 2005-08-03  Paul Brook  <paul@codesourcery.com>
6274
6275         * function.c (assign_parms): Round current_function_args_size
6276         to PARM_BOUNDARY, not STACK_BOUNDARY.
6277
6278 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6279
6280         * config/i386/i386.c (x86_elf_aligned_common)
6281         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6282
6283 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6284
6285         PR tree-optimization/23157
6286         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6287         before emitting them.
6288
6289 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6290
6291         PR tree-optimization/19899
6292         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6293         * tree-scalar-evolution.c: Include real.h.
6294         (add_to_evolution): Build constant -1 of correct type.
6295
6296 2005-08-03  Jan Hubicka  <jh@suse.cz>
6297
6298         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6299         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6300         profile updating for complette unrolling.
6301         * loop-unroll.c (peel_loop_completely): Use it.
6302         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6303         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6304         loops.
6305
6306 2005-08-03  Paul Brook  <paul@codesourcery.com>
6307
6308         * combine.c (can_change_dest_mode): New function.
6309         (try_combine, simplify_set): Use it.
6310
6311 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6312
6313         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6314         TFmode to BLKmode.
6315
6316 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6317
6318         * doc/install.texi (Specific): Adjust link to openavr.org.
6319         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6320         (Binaries): Adjust HP-UX Porting Center link.
6321         (Binaries): Adjust Free Software Foundation ordering link.
6322
6323 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6324
6325         * convert.c (convert_to_integer): Use fold_build1 instead of
6326         build1 when converting an integer to an integer.
6327
6328 2005-08-02  Richard Henderson  <rth@redhat.com>
6329
6330         * combine.c (combine_instructions): Don't use reg_equal/equiv
6331         results if the mode doesn't match.
6332
6333 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6334
6335         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6336         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6337
6338 2005-08-02  Richard Henderson  <rth@redhat.com>
6339
6340         PR 23196
6341         * explow.c (memory_address): Remove special-case for
6342         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6343
6344 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6345
6346         PR 23164
6347         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6348         number of calls to cleanup_tree_cfg_1.
6349
6350 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6351
6352         * doc/invoke.texi: document file extensions .F90 and .F95
6353
6354 2005-08-02  Richard Guenther  <rguenther@suse.de>
6355
6356         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6357         positive if its first argument is positive.
6358
6359 2005-08-02  Richard Guenther  <rguenther@suse.de>
6360
6361         PR tree-optimization/23177
6362         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6363         on TMR_TAG.
6364
6365 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6366
6367         PR tree-optimization/23129
6368         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6369         varying for divisions with anti-ranges.
6370
6371 2005-08-02  Jan Hubicka  <jh@suse.cz>
6372
6373         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6374         * tree-ssa-threadupdate.c (thread_block): Add it here.
6375
6376 2005-08-01  James E Wilson  <wilson@specifix.com>
6377
6378         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6379         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6380         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6381         New.
6382         * config/mips/predicates.md (const_call_insn_operand): Add check for
6383         SYMBOL_REF_LONG_CALL_P.
6384         * doc/extend.texi (long_call): Document the new attribute.
6385
6386 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6387             Richard Henderson  <rth@redhat.com>
6388
6389         * Makefile.in (RTL_BASE_H): Add real.h.
6390         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6391         instead of memcpy.
6392         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6393         directly.
6394         * rtl.c (rtl_check_failed_code_mode): New.
6395         * rtl.h (struct rtx_def): Add u.rv.
6396         (XCMWINT, XCNMPRV): New.
6397         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6398         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6399
6400 2005-08-01  Richard Henderson  <rth@redhat.com>
6401
6402         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6403         with auto-inc codes.
6404
6405         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6406
6407 2005-08-01  Jan Hubicka  <jh@suse.cz>
6408
6409         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6410         * i386.c: Include dwarf2.h
6411         (asm_preferred_eh_data_format): New.
6412         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6413
6414 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6415
6416         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6417         randomize_va_space for virtual address randomization control.
6418
6419 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6420
6421         * common.opt (flag_ipa_cp): Put in right place to maintain
6422         alphabetic sort.
6423
6424 2005-08-01  Jan Hubicka  <jh@suse.cz>
6425
6426         * profile.c (compute_value_histograms): Fix thinko.
6427         * value-prof.c: Include toplev.h
6428         (check_counter): New function.
6429         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6430         tree_mod_subtract_transform): Add sanity check.
6431
6432 2005-08-01  Richard Guenther  <rguenther@suse.de>
6433
6434         PR tree-optimization/23133
6435         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6436         current functions parameter decls to find defs to cse
6437         reciprocals of.
6438
6439 2005-08-01  Richard Guenther  <rguenther@suse.de>
6440
6441         PR tree-optimization/23109
6442         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6443         If trapping math is in effect, use post-dominator information
6444         to check if we'd in any case reach a trapping point before
6445         doing the reciprocal insertion.
6446         (execute_cse_reciprocals): Compute post-dominators, if necessary.
6447         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6448         expressions are invariant only if trapping math is not in effect.
6449
6450 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6451
6452         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6453         cgraph_function_versioning): New declarations.
6454         * cgraphunit.c: Add include to ipa-prop.h.
6455         (update_call_expr, cgraph_copy_node_for_versioning,
6456         cgraph_function_versioning): New functions.
6457         * integrate.c (copy_decl_for_inlining): Remove.
6458         * ipa-prop.h (ipa_replace_map): New struct.
6459         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6460         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6461         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6462         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6463         ipcp_iterate_stage, ipcp_method_scale_print,
6464         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6465         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6466         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6467         ipcp_update_bb_counts, ipcp_update_profiling,
6468         ipcp_update_edges_counts): New functions.
6469         (ipcp_method_cval_init): Remove restriction regarding local methods.
6470         (ipcp_init_stage): Add ipcp_method_compute_scale.
6471         (ipcp_insert_stage): Add versioning.
6472         (ipcp_structures_print): Add ipcp_method_scale_print.
6473         (ipcp_driver): Dump profiling info.
6474         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6475         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6476         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6477         (struct inline_data): Add versioning_p, ipa_info, new fields.
6478         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6479         declare_return_variable): Replace calls to copy_decl_for_inlining with
6480         copy_decl_for_dup.
6481         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6482         versioning support.
6483         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6484         Add argument VERSIONING.
6485         (copy_arguments_for_versioning, copy_static_chain,
6486         function_versionable_p, tree_versionable_function_p,
6487         tree_function_versioning, replace_ref_tree): New functions.
6488         * tree-inline.h: Include varray.h.
6489         (tree_versionable_function_p,  tree_function_versioning,
6490         tree copy_decl_for_dup): New declarations.
6491
6492 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6493
6494         * ipa-cp.c: New file. Contains IPCP specific functionality.
6495         * ipa-prop.h: New file. Contains structures/definitions that can be
6496         used by several interprocedural data flow optimizations (and also IPCP).
6497         * ipa-prop.c: New file.
6498         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6499         * common.opt: Add ipa-cp flag.
6500         * timevar.def: Add IPCP optimization.
6501         * tree-optimize.c (init_tree_optimization_passes): Schedule
6502         pass_ipa_cp.
6503         * tree-pass.h (pass_ipa_cp): Declare.
6504
6505 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
6506
6507         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6508         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6509         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6510         config/i386/i386.c, config/mips/mips.h,
6511         config/rs6000/rs6000.h, config/sh/sh.c,
6512         config/stormy16/stormy16.c: Fix comment typos.
6513
6514 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
6515
6516         PR c/22311
6517         * c-typeck.c (build_binary_op): Use common_type wrapper on
6518         shortened types.
6519         (common_type): Update comment.
6520
6521 2005-07-31  Steven Bosscher  <stevenb@suse.de>
6522
6523         PR target/23095
6524         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6525         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6526         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6527
6528 2005-07-31  Jan Hubicka  <jh@suse.cz>
6529
6530         * pretty-print.h (pp_widest_integer): New macro.
6531         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6532         counts.
6533
6534 2005-07-31  Jan Hubicka  <jh@suse.cz>
6535
6536         * output.h (enum section_category): Export from varasm.c
6537         (categorize_decl_for_section): Likewise.
6538         * varasm.c (enum section_category): Kill.
6539         (categorize_decl_for_section): Make global.
6540         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6541         Declare.
6542         * i386.c (ix86_section_threshold): New static variable.
6543         (ix86_in_large_data_p, ix86_encode_section_info,
6544         x86_64_elf_unique_section,
6545         x86_64_elf_select_section): New functions.
6546         (TARGET_ENCODE_SECTION_INFO): Define
6547         (override_options): Enable medium model for PIC.
6548         (ix86_expand_prologue): Expand gen_set_got_rex64.
6549         (legitimate_constant_p): Handle new UNSPECs.
6550         (legitimate_pic_address_disp_p): Likewise.
6551         (legitimize_pic_address): Lower MEDIUM model addressing.
6552         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6553         (enum cmodel): Add MEDIUM_PIC.
6554         (SYMBOL_REF_FAR_ADDR_P): New macro.
6555         (SYMBOL_FLAG_FAR_ADDR): New flag.
6556         * i386.md (movdi): Support medium model.
6557         (set_got_rex64): New pattern.
6558         * i386.opt (mlarge-data-threshold): New flag.
6559         * predicates.md (zext_operand/sext_operand): Deal with medium model.
6560         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6561         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6562         TARGET_ASM_UNIQUE_SECTION): New.
6563
6564         * invoke.texi (-mlarge_data_threshold): Document
6565
6566 2005-07-31  Jan Hubicka  <jh@suse.cz>
6567
6568         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6569         (coalesce_vars): Likewise.
6570         * tree-ssa-live.c (coalesce_cost): New.
6571         (build_tree_conflict_graph): Use coalesce_cost.
6572         * tree-ssa-live.h (coalesce_cost): Declare.
6573
6574 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6575
6576         * arm.md (all peepholes for post-increment operations): Delete.
6577         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6578         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6579         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6580         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6581         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6582
6583 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6584
6585         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6586         non-integral types.
6587
6588 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6589
6590         PR target/22582
6591         * doc/invoke.texi: Document -rdynamic.
6592
6593 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
6594
6595         PR c/23143
6596         * c-parser.c (c_parser_parms_list_declarator): Call
6597         mark_forward_parm_decls.
6598         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6599         decls with visibility structure.
6600
6601 2005-07-30  Paul Brook  <paul@codesourcery.com>
6602
6603         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6604
6605 2005-07-30  Paul Brook  <paul@codesourcery.com>
6606
6607         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6608         prototype.
6609         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6610         value for mode.
6611         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6612
6613 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6614
6615         PR c/529
6616         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6617         nested function declarators.
6618         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6619         (grokparms): Call warn_if_shadowing for parameters used within the
6620         parameter list.
6621         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6622         not used within the parameter list.
6623         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6624
6625 2005-07-30  Jan Hubicka  <jh@suse.cz>
6626
6627         * expr.c (expand_expr_real_1): Do not load mem targets into register.
6628         * i386.c (ix86_fixup_binary_operands): Likewise.
6629         (ix86_expand_unary_operator): Likewise.
6630         (ix86_expand_fp_absneg_operator): Likewise.
6631         * optabs.c (expand_vec_cond_expr): Validate dest.
6632
6633 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6634
6635         PR c/21720
6636         * real.c (real_from_string): Also set last bit if there is a
6637         nonzero hex digit beyond GCC's internal precision after ".".
6638
6639 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
6640
6641         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6642         define_constants.  Change duplicate values to unassigned numbers.
6643         Change UNSPEC_SUBS to UNSPEC_VSUBS.
6644         (*altivec_vspltsf): New.
6645         (altivec_vperm_v4sf): Delete.
6646         (altivec_vperm_<mode>): Use mode macro V.
6647         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6648         (altivec_predicate_v4sf): Delete.
6649         (altivec_predicate_<mode>): Use mode macro V.
6650         (*altivec_lvesfx): New.
6651         (*altivec_stvesfx): New.
6652         (vec_realign_load_v4sf): Delete.
6653         (vec_realign_load_<mode>): Use mode macro V.
6654         * config/rs6000/rs6000.c (generate_set_vrsave): Use
6655         UNSPECV_SET_VRSAVE.
6656
6657 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
6658
6659         PR bootstrap/23131
6660         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6661         string.
6662         * configure: Regenerated.
6663
6664 2005-07-29  Paul Brook  <paul@codesourcery.com>
6665
6666         * doc/install.texi: Add link to GFortran binaries wiki page.
6667
6668 2005-07-29  David Ung  <davidu@mips.com>
6669
6670         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6671         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6672         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6673         * config/mips/mips.md (cpu): Add 5kf name.
6674         (includes): Includes 5k.md.
6675         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6676         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6677         -march flag.
6678
6679 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6680
6681         PR 22550
6682         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6683         (cleanup_tree_cfg): ... here.
6684         Call cleanup_tree_cfg_1 until there are no more cleanups to
6685         do.
6686
6687 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
6688
6689         * tree-vrp.c (compare_range_with_value): Return true or false
6690         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6691         EQ_EXPR respectively.
6692
6693 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
6694
6695         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6696         Fix comment typos.
6697
6698 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6699
6700         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6701         (tree_ssa_dominator_optimize): Increment it.
6702         (dump_dominator_optimization_stats): Print it.
6703
6704 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
6705             Steven Bosscher  <stevenb@suse.de>
6706
6707         PR rtl-optimization/23117
6708         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6709         when head == tail.  Tidy comment.
6710
6711 2005-07-28  Richard Henderson  <rth@redhat.com>
6712
6713         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6714         * cselib.c (rtx_equal_for_cselib_p): Likewise.
6715         * jump.c (rtx_renumbered_equal_p): Likewise.
6716         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6717         CONST_INT and CONST_DOUBLE.
6718         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6719         * reload.c (operands_match_p): Special case CONST_INT and
6720         CONST_DOUBLE; check mode earlier.
6721
6722 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6723
6724         PR c/22240
6725         * c-typeck.c (convert_for_assignment): Do not check
6726         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6727
6728 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6729
6730         PR c/22192
6731         * c-typeck.c (composite_type): Prefer constant size arrays to
6732         VLAs.
6733
6734 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6735
6736         PR c/21720
6737         * real.c (real_from_string): Set last bit if there is a nonzero
6738         hex digit beyond GCC's internal precision.
6739
6740 2005-07-28  Richard Henderson  <rth@redhat.com>
6741
6742         PR rtl-opt/22619
6743         * cfgcleanup.c (try_forward_edges): Watch out for end of
6744         insn chain.
6745
6746 2005-07-28  James E Wilson  <wilson@specifixinc.com>
6747
6748         PR c/23106
6749         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6750
6751 2005-07-28  Jan Hubicka  <jh@suse.cz>
6752
6753         * Makefile.in (rtl-profile.o): Kill all traces of it.
6754         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6755         * coverage.h (rtl_coverage_counter_ref): Kill.
6756         * opts.c (flag_speculative_prefetching_set): Kill.
6757         (flag_loop_optimize_set): New.
6758         (common_handle_option): Disable loop optimizer when profiling;
6759         do not handle speculative prefetching.
6760         * passes.c (init_optimization_passes): Replace pass_profiling combo
6761         by branch_prob pass.
6762         * profile.c (compute_value_histograms): Update for simplified value
6763         profiles.
6764         (rtl_register_profile_hooks): Kill.
6765         (pass_profiling): Kill.
6766         (rest_of_handle_branch_prob): Do not profile.
6767         * toplev.c (process_options): Remove speculative prefetching.
6768         * toplev.h (flag_tree_based_profiling): Kill.
6769         * tree-profile.c (prepare_instrumented_value,
6770         tree_gen_interval_profiler, tree_gen_pow2_profiler,
6771         tree_gen_one_value_profiler, do_tree_profiling): Update for
6772         simplified datastructures.
6773         * value-prof.c: Add comment that speculative prefetching was dropped;
6774         update rest of file for simplified datastructures.
6775         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6776         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6777         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6778         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6779         rtl_mod_subtract, gen_speculative_prefetch,
6780         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6781         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6782         (gate_handle_value_profile_transformations,
6783         rest_of_handle_value_profile_transformations,
6784         pass_value_profile_transformations): Kill.
6785         * value-prof.h (histogram_value_t): Remove IL based unions.
6786         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6787         rtl_profile_hooks): Remove hooks.
6788
6789         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6790
6791         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6792         (cgraph_clone_node): Likewise.
6793         * cgraph.h (cgraph_clone_edge): Update prototype.
6794         (cgraph_clone_node): Likewise.
6795         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6796         cgraph_clone_node.
6797         (lookup_recursive_calls): Consider profile.
6798         (cgraph_decide_recursive_inlining): Fix updating; use new
6799         probability argument; use profile.
6800         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6801         * tree-inline.c (copy_bb): Update clal of clone_edge.
6802         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6803
6804         * invoke.texi (min-inline-recursive-probability): Document.
6805
6806 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
6807
6808         * doc/install.texi (Configuration): Update Valgrind homepage.
6809
6810 2005-07-28  Richard Henderson  <rth@redhat.com>
6811
6812         PR middle-end/21362
6813         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6814         labels we want to delete.
6815         (cfg_layout_merge_blocks): Likewise.
6816
6817 2005-07-28  Richard Henderson  <rth@redhat.com>
6818
6819         PR target/17692
6820         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6821         when expanding to nothing.
6822
6823 2005-07-28  Josh Conner  <jconner@apple.com>
6824
6825         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6826         (cgraph_decide_inlining_of_small_functions): Likewise.
6827
6828 2005-07-28  Josh Conner  <jconner@apple.com>
6829
6830         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
6831         direction of badness if negative.
6832         (cgraph_default_inline_p): Add reason to parameters, and assign it
6833         a value.
6834         (cgraph_decide_inlining_of_small_functions): New parameter in call
6835         to cgraph_default_inline_p.
6836         (cgraph_decide_inlining_incrementally): Likewise.
6837         * cgraphunit.c (decide_is_function_needed): Likewise.
6838         * cgraph.h (cgraph_default_inline_p): Likewise.
6839
6840 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6841
6842         * builtins.c: Fix comment typo(s).
6843         * genautomata.c: Likewise.
6844         * gimplify.c: Likewise.
6845         * tree-dfa.c: Likewise.
6846         * tree-flow-inline.h: Likewise.
6847         * tree-into-ssa.c: Likewise.
6848         * tree-ssa-alias.c: Likewise.
6849         * tree-ssa-ccp.c: Likewise.
6850         * tree-ssa-copy.c: Likewise.
6851         * tree-ssa-dce.c: Likewise.
6852         * tree-ssa-dom.c: Likewise.
6853         * tree-ssa-operands.c: Likewise.
6854         * tree-tailcall.c: Likewise.
6855         * tree-vectorizer.c: Likewise.
6856         * tree-vrp.c: Likewise.
6857         * tree.c: Likewise.
6858
6859 2005-07-28  Jeff Law  <law@redhat.com>
6860
6861         * tree-vrp.c (test_for_singularity): Extracted from  ...
6862         (simplify_cond_using_ranges): Attempt to simplify a relational
6863         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
6864
6865 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
6866
6867         PR tree-optimization/22506
6868         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6869         phis whose argument is constant.
6870
6871 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
6872
6873         PR rtl-optimization/18992
6874         Back out this patch:
6875           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6876           PR optimization/12142
6877           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6878           uses of the register in the SET_SRC.  Remove unnecessary argument.
6879
6880         Replace it with this:
6881         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6882         if flag_non_call_exceptions is set and the insn may trap, pass
6883         pc_rtx as dest for recursion.
6884         In SET_SRC part of SET case, if dest is already set, pass it down
6885         unchanged.
6886
6887 2005-07-28  Jan Hubicka  <jh@suse.cz>
6888
6889         * cfg.c (update_bb_profile_for_threading): Use RDIV.
6890         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6891         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6892         roundoff errors.
6893         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6894         profile when available.
6895
6896 2005-07-28  Jan Beulich <jbeulich@novell.com>
6897
6898         * config/ia64/ia64.c (ia64_load_pair_ok): New.
6899         (ia64_print_operand): Describe and handle 'X'.
6900         (ia64_register_move_cost): Also handle FP_REGS.
6901         (ia64_preferred_reload_class): Likewise.
6902         (ia64_secondary_reload_class): Likewise.
6903         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6904         it. Also check for ITANIUM_CLASS_FLDP.
6905         * config/ia64/ia64.h (FP_REGNO_P): New.
6906         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6907         (reg_class): Add FP_REGS.
6908         (REG_CLASS_NAMES): Adjust for it.
6909         (REG_CLASS_CONTENTS): Likewise.
6910         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6911         (REG_CLASS_FROM_LETTER): Handle 'x'.
6912         (CLASS_MAX_NREGS): Handle FP_REGS.
6913         (MEMORY_MOVE_COST): Likewise.
6914         * config/ia64/ia64.md (itanium_class): Add fldp.
6915         (type): Handle fldp.
6916         (movti_internal): More allowable operand combinations. Use ldfp8 when
6917         splitting unnecessary. Remove predicable attribute. Adjust
6918         itanium_class attribute.
6919         (smuldi3_highpart): Remove outdated comment.
6920         (mulditi3, umulditi3, rotlti3): New expanders.
6921         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6922         (absti2): Disabled new insn for future reference.
6923         Respective new splitters.
6924         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6925         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6926         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6927
6928 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
6929
6930         PR rtl-optimization/23047
6931         * simplify-rtx.c (simplify_const_relational_operation): Respect
6932         flag_wrapv for comparisons with ABS.
6933
6934 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
6935
6936         PR tree-optimization/22493
6937         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6938         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6939
6940 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
6941
6942         * config/frv/frv.opt (moptimize-membar): New.
6943
6944         * doc/invoke.texi: Document -moptimize-membar and its inverse.
6945
6946         * config/frv/frv.h: Remove machine_function definition.
6947
6948         * config/frv/frv.c (struct frv_io): New.
6949         (struct machine_function): Moved from frv.h.  Add has_membar_p.
6950         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6951         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6952         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6953         (frv_optimize_membar_global, frv_optimize_membar): New functions.
6954         (frv_reorg): Call frv_optimize_membar when appropriate.
6955         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6956         (frv_expand_builtin): Adjust calls accordingly.
6957         (frv_io_address_cookie): New function.
6958         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6959         load or store rather than a special insn.  Add ccnstant address and
6960         io-type operands to the membar.
6961         (frv_ifcvt_modify_tests): Unsign regno.
6962         (frv_ifcvt_modify_tests): Same.
6963
6964         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
6965         UNSPEC_OPTIONAL_MEMBAR constant.
6966         (builtin_read_<mode>): Delete.
6967         (builtin_write_<mode>): Delete.
6968         ("optional_membar_<mode>"): Add operand.
6969
6970         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6971         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6972         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6973         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6974         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6975         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6976         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6977         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6978         * testsuite/gcc.target/frv/all-read-write-1.c: New.
6979
6980 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6981
6982         * df.c (df_uses_record): Handle SCRATCH.
6983
6984 2005-07-28  Steven Bosscher  <stevenb@suse.de>
6985
6986         PR debug/20161
6987         * passes.c (rest_of_decl_compilation): If decl is a type and
6988         we have encountered errors, don't emit debug information.
6989
6990 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
6991
6992         * params.def: Fixed comment.
6993
6994 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
6995
6996         PR target/19885
6997         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6998         (TARGET_ASM_UNALIGNED_HI_OP): Add.
6999         (TARGET_ASM_UNALIGNED_SI_OP): Add.
7000
7001 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7002
7003         PR c++/22003
7004         * varasm.c (assemble_start_function): Don't do anything that may
7005         require a CFG if the current function is a thunk.
7006
7007 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
7008
7009         * doc/install.texi (Prerequisites): Mention that perl is needed
7010         to do export control in libstdc++ targetting Darwin.
7011
7012 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7013
7014         PR rtl-optimization/17808
7015         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7016         (sched_insns_conditions_mutex_p): Split out from...
7017         (add_dependence): ...here.  But don't call it from here.
7018         (add_dependence_list): Check sched_insns_conditions_mutex_p
7019         before calling add_dependence.
7020         (add_dependence_list_and_free): Likewise.
7021         (fixup_sched_groups): Likewise.
7022         (sched_analyze_1): Likewise.
7023         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7024         (sched_analyze): Likewise.
7025         (sched_analyze_insn): Likewise.
7026         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7027         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
7028         dependencies on all COND_EXEC insns to jumps ending basic blocks
7029         when doing intrablock scheduling.
7030         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7031
7032 2005-07-27  Jeff Law  <law@redhat.com>
7033
7034         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7035         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7036         equivalency sets, correctly handle the case were vr0 has an
7037         equivalency set, but vr1 does not.
7038
7039 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7040
7041         PR tree-optimization/23073
7042         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7043         vect_print_dump_info before fprintf.
7044
7045 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7046
7047         PR tree-optimize/22348
7048         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7049         Fold the partial computation.
7050
7051 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7052
7053         PR tree-optimization/22325
7054         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7055         Declare.
7056         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7057         value replacement.
7058         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7059         (force_var_cost): ... this function.
7060         (compute_phi_arg_on_exit): Export.
7061
7062 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7063
7064         PR tree-optimization/20773
7065         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7066         edge.
7067
7068 2005-07-27  Richard Guenther  <rguenther@suse.de>
7069
7070         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7071         Avoid pushing again if current struct contains only
7072         fields we decomposed.
7073
7074 2005-07-27  Jan Hubicka  <jh@suse.cz>
7075
7076         PR tree-optimization/22574
7077         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7078         not available.
7079
7080         * tree-tailcall.c (decrease_profile): New function.
7081         (eliminate_tail_call): Use it.
7082
7083         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7084         visibility flags correctly in whole program mode.
7085
7086 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7087
7088         PR rtl-optimization/22472
7089         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7090
7091 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7092
7093         PR tree-optimization/22504
7094         * tree-complex.c (expand_complex_addition): Use 'code' instead
7095         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7096
7097 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7098
7099         * config.gcc (cpu_type): Add frv case.
7100         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7101         (supported_defaults): Add fr550 case.
7102
7103 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7104
7105         PR 22591
7106         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7107         whether a pointer of type T * may point to objects of type T *.
7108
7109 2005-07-26  DJ Delorie  <dj@redhat.com>
7110
7111         * configure: Regenerate.
7112
7113 2005-07-26  Dale Johannesen  <dalej@apple.com>
7114
7115         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7116
7117 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7118
7119         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7120         Clarify use of "build" in name.
7121
7122 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7123
7124         * doc/extend.texi (Raw read/write Functions): New section.
7125         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7126         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7127         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7128         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7129         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7130         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7131         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7132         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7133         * config/frv/frv.c: Add bdesc_loads global.
7134         Add bdesc_stores global.
7135         (frv_init_builtins): Add support for __builtin_{read/write}*.
7136         (frv_volatile_memref): New.
7137         (frv_expand_load_builtin): New.
7138         (frv_expand_store_builtin): New.
7139         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7140         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7141         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7142         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7143         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7144         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7145         (builtin_read_<mode>): New.
7146         (builtin_write_<mode>): New.
7147         (builtin_write64): New.
7148         (optional_membar_<mode>): New.
7149
7150 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7151
7152         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7153         (rather than units) against HOST_BITS_PER_WIDE_INT.
7154
7155 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7156
7157         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7158         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7159         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7160         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7161         FSF address.
7162
7163         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7164         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7165         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7166         comment typos.
7167         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7168
7169 2005-07-26  Richard Guenther  <rguenther@suse.de>
7170
7171         PR tree-optimization/22486
7172         * fold-const.c (fold_unary): Fold away useless component
7173         references of the form (T *)&T.x, if the address
7174         doesn't change.
7175
7176 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7177
7178         * dwarf2out.c (add_call_src_coords_attributes): New.
7179         (gen_inlined_subroutine_die): Call it.
7180         (maybe_emit_file, init_file_table): Add comments.
7181         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7182         maybe_emit_file.
7183         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7184         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7185         * tree.h (BLOCK_SOURCE_LOCATION): New.
7186         (struct tree_block): New field locus.
7187
7188 2005-07-26  Andreas Schwab  <schwab@suse.de>
7189
7190         PR rtl-optimization/23043
7191         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7192         when allocating a struct unoccr.
7193
7194 2005-07-25  Richard Henderson  <rth@redhat.com>
7195
7196         PR 22626
7197         * tree-complex.c (gate_no_optimization): True if errors.
7198         * Makefile.in (tree-complex.o): Update dependencies.
7199
7200 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7201
7202         * config/frv/predicates.md (integer_register_operand): Use
7203         GPR_AP_OR_PSEUDO_P.
7204
7205 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7206
7207         PR tree-opt/22484
7208         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7209         after fold.
7210         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7211
7212 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7213
7214         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7215         types when flag_unsafe_math_optimizations is true.
7216
7217 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7218
7219         * gcc.c (option_map): Add --sysroot.
7220         (process_command): Handle --sysroot.
7221         (display_help): Document it.
7222         * doc/cppopts.tex (-isysroot): Document.
7223         * doc/invoke.texi (--sysroot): Document.
7224         * doc/install.texi (--with-build-sysroot): Document.
7225
7226         * Makefile.in (inhibit_libc): New variable.
7227         (INHIBIT_LIBC_CFLAGS): Likewise.
7228         (LIBGCC2_CFLAGS): Include
7229         $(INHIBIT_LIBC_CFLAGS).
7230         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7231         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7232         ($(T)crtend.o): Likewise.
7233         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7234         ($(T)crtendS.o): Likewise.
7235         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7236         ($(T)crtendT.o): Likewise.
7237         (stmp-fixinc): Do not complain about missing headers if
7238         inhibit_libc.
7239         * configure.ac (inhibit_libc): Set it to true/false.
7240         (--with-build-sysroot): New option.  Use it to set
7241         SYSTEM_HEADER_DIR.
7242         * configure: Regenerated.
7243
7244 2005-07-25  Manfred Hollstein  <mh@suse.com>
7245
7246         * calls.c (store_one_arg): Fix unsigned comparison warning.
7247
7248 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7249
7250         PR other/22337
7251         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7252         (ggc_print_statistics): Initialize variable before use.
7253
7254 2005-07-25  Richard Guenther  <rguenther@suse.de>
7255
7256         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7257         calling with a PHI_NODE argument.
7258
7259         * tree-flow-inline.h (overlap_subvar): Protect against
7260         possible overflow.
7261
7262 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7263
7264         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7265         * configure: Regenerate.
7266
7267 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7268
7269         * expr.c (highest_pow2_factor): Make extern.
7270         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7271         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7272         record_array_differ_p, array_ptr_differ_p): Likewise.
7273         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7274         additional cases. Call the above functions.
7275         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7276         base_object_differ_p when there are two base objects. Otherwise, compare
7277         base address and offset. Call may_alias_p.
7278         (dump_data_reference): Use a correct field name.
7279         (analyze_array): Make static. Initialize new data-ref fields.
7280         (analyze_indirect_ref): New function.
7281         (init_data_ref): Initialize new data-ref fields.
7282         (strip_conversion): Moved from tree-vect-analyze.c.
7283         (analyze_offset_expr, get_ptr_offset, address_analysis,
7284         object_analysis): Likewise.
7285         (analyze_offset): New function.
7286         (create_data_ref): Likewise.
7287         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7288         dimensions for ARRAY_REFs only.
7289         (build_classic_dist_vector): Make static.
7290         (access_functions_are_affine_or_constant_p): Call macro to get the
7291         address of access functions.
7292         (compute_all_dependences): Add new parameter
7293         compute_self_and_read_read_dependences. Compute self and read-read
7294         dependences if it is true.
7295         (find_data_references_in_loop): Call create_data_ref. Initialize new
7296         data-ref fields.
7297         (compute_data_dependences_for_loop): Add new parameter
7298         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7299         compute nb_loops. Call compute_all_dependences,
7300         build_classic_dist_vector and build_classic_dir_vector with correct
7301         parameters.
7302         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7303         with correct parameters. Compare dimensions for ARRAY_REFs only.
7304         (free_data_refs): Call macro to free access functions.
7305         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7306         fields from stmt_vinfo.
7307         (struct base_object_info): New structure.
7308         (struct data_reference): Move fields to base_object_info. Add fields
7309         first_location and object_info for above structures. Move fields from
7310         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7311         aligned_to.  Add macros to access the new fields.
7312         Update functions declarations.
7313         * tree-flow.h (is_aliased_with): Declare.
7314         * tree-loop-linear.c (linear_transform_loops): Call
7315         compute_data_dependences_for_loop with correct parameters.
7316         * tree-ssa-alias.c (is_aliased_with): New function.
7317         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7318         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7319         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7320         vect_base_addr_differ_p, compute_subscript_distance and
7321         build_classic_dist_vector. Add printings. Check absolute value of
7322         distance.
7323         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7324         data-refs.
7325         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7326         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7327         to bytes. Add printing.
7328         (vect_compute_data_refs_alignment): Go through loads and stores in one
7329         loop.
7330         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7331         vect_analyze_data_ref_access): Likewise.
7332         (vect_analyze_pointer_ref_access): Remove.
7333         (vect_address_analysis, vect_object_analysis): Likewise.
7334         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7335         and analyze data-refs in the loop.
7336         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7337         fields of data-ref instead of stmt. Add init to the offset from the
7338         base.
7339         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7340         (vect_update_init_of_dr): Likewise.
7341         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7342         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7343         removed fields.
7344         (new_loop_vec_info): Initialize new fields.
7345         (destroy_loop_vec_info): Free new fields.
7346         (vect_strip_conversion): Remove.
7347         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7348         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7349         datarefs. Add new field ddrs.
7350         Add macros for the new fields access.
7351         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7352         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7353         Remove their macros.
7354         * tree.h (highest_pow2_factor): Declare.
7355
7356 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7357
7358         * calls.c (store_one_arg): Check for sibling call MEM arguments
7359         from already clobbered incoming argument area.
7360
7361 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7362
7363         * c-common.c (check_missing_format_attribute): New.
7364         * c-common.h (check_missing_format_attribute): Likewise.
7365         * c-typeck.c (convert_for_assignment): Use it.
7366
7367 2005-07-24  Andreas Schwab  <schwab@suse.de>
7368
7369         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7370         register use a word move.  Correct operand of ext.w in 68000 code.
7371
7372 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7373
7374         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7375         variables as declarations, rather than definitions.
7376
7377 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7378
7379         PR tree-optimization/22526
7380         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7381         of the zero node.
7382
7383 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7384
7385         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7386         that C99 reserve for future use. Use it to define clog10,
7387         clog10f and clog10l.
7388
7389 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7390
7391         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7392         * configure.ac: Check for -Wmissing-format-attribute.
7393
7394         * configure: Regenerate.
7395
7396 2005-07-23  Richard Henderson  <rth@redhat.com>
7397
7398         PR tree-optimization/22623
7399         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7400
7401 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7402
7403         PR target/22577
7404         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7405
7406 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7407
7408         * Makefile.in (C_TREE_H): Update dependencies.
7409         * c-tree.h: Include toplev.h.
7410         * diagnostic.h (diagnostic_set_info): Add format attribute.
7411         * rtl-error.c (diagnostic_for_asm): Likewise.
7412
7413 2005-07-23  Chao-ying Fu  <fu@mips.com>
7414
7415         * config/mips/mips-dsp.md: New file.
7416         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7417         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7418         functions.
7419         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7420         MIPS_BUILTIN_BPOSGE32.
7421         (mips_expand_builtin_direct): Add one parameter to indicate that
7422         builtin functions need to return a value.
7423         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7424         functions.
7425         (mips_regno_to_class): Add classes for 12 new DSP registers.
7426         (mips_subword): Change to check four HI registers.
7427         (mips_output_move): Output move to and from 6 new DSP accumulators.
7428         (override_options): Make sure -mdsp and -mips16 are not used together.
7429         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
7430         for machine modes.
7431         (mips_conditional_register_usage): Disable 6 new DSP accumulators
7432         when !TARGET_DSP.
7433         (print_operand): Add 'q' for printing DSP accumulators.
7434         (mips_cannot_change_mode_class): Check ACC_REGS.
7435         (mips_secondary_reload_class): Check ACC_REGS.
7436         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7437         (mips_register_move_cost): Check ACC_REGS.
7438         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7439         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7440         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7441         (dsp_bdesc): New array.
7442         (bdesc_arrays): Add DSP builtin function table.
7443         (mips_prepare_builtin_arg): Check predicate again after
7444         copy_to_mode_reg.
7445         (mips_expand_builtin): Add one more parameter to
7446         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7447         MIPS_BUILTIN_BPOSGE32.
7448         (mips_init_builtins): Initialize new function types.
7449         (mips_expand_builtin_direct): Check if builtin functions need to
7450         return a value and pass operands properly.
7451         (mips_expand_builtin_bposge): New function.
7452         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7453         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7454         (FIRST_PSEUDO_REGISTER): Increase to 188.
7455         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7456         Update for 12 new DSP registers.
7457         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7458         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7459         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7460         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7461         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7462         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7463         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7464         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7465         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7466         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7467         (REGISTER_NAMES): Add names for 12 new DSP registers.
7468         * config/mips/mips.md: Include mips-dsp.md.
7469         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7470         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7471         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7472         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7473         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7474         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7475         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7476         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7477         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7478         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7479         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7480         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7481         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7482         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7483         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7484         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7485         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7486         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7487         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7488         (UNSPEC_RDDSP): New constants.
7489         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7490         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
7491         A<-d alternative.
7492         * config/mips/mips.opt (-mdsp): New option.
7493         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7494         (reg_imm10_operand): New predicates.
7495         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7496         * doc/invoke.texi (-mdsp): Document new option.
7497
7498 2005-07-22  DJ Delorie  <dj@redhat.com>
7499
7500         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7501         to warning calls.
7502         * tree-inline.c (inlinable_function_p): Likewise.
7503
7504 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
7505
7506         PR debug/21828
7507         * toplev.c (check_global_declarations): Do not mark undefined
7508         variables as DECL_IGNORED_P.
7509         * varasm.c (first_global_object_name): GTY it.
7510         (weak_global_object_name): Likewise.
7511         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7512         a string to go into {weak,first}_global_object_name.
7513
7514 2005-07-22  DJ Delorie  <dj@redhat.com>
7515
7516         * c-format.c (check_function_format): Change warning control
7517         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7518
7519 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
7520
7521         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7522         &PTR->FLD a dereference of PTR.
7523         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7524         a potential dereference of PTR.
7525
7526 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
7527
7528         PR rtl-optimization/20370
7529         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7530         call allocate_reg_info if necessary.
7531
7532         PR rtl-optimization/21848
7533         * calls.c (emit_library_call_value_1): For const functions, add
7534         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7535
7536         PR rtl-optimization/22445
7537         * cselib.c (target.h): Include.
7538         (rtx_equal_for_cselib_p): Allow commutative matches.
7539         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7540         Remove MODE parameter.  Changed all callers.
7541
7542         PR rtl-optimization/22258
7543         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7544         New functions.
7545         (try_combine): Use likely_spilled_retval_p.
7546
7547 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
7548
7549         * config.gcc: Add crx-elf support.
7550
7551         * doc/contrib.texi: Mention crx.
7552         * doc/extend.texi: Document crx extensions.
7553         * doc/install.texi: Document crx install.
7554         * doc/invoke.texi: Document crx options.
7555         * doc/md.texi: Document crx constraints.
7556
7557         * config/crx/crx-protos.h: New file.
7558         * config/crx/crx.c: New file.
7559         * config/crx/crx.h: New file.
7560         * config/crx/crx.md: New file.
7561         * config/crx/crx.opt: New file.
7562         * config/crx/t-crx: New file.
7563
7564 2005-07-22  Manfred Hollstein  <mh@suse.com>
7565
7566         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7567         warnings.
7568         (int_add_graph_edge): Likewise.
7569         (collapse_nodes): Likewise.
7570         (process_unification_queue): Likewise.
7571
7572 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7573             Laurent GUERBY  <laurent@guerby.net>
7574
7575         PR tree-optimization/22336
7576         * function.c (record_block_change): Check for
7577         cfun->ib_boundaries_block.
7578
7579 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7580
7581         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7582         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7583
7584 2005-07-21  DJ Delorie  <dj@redhat.com>
7585
7586         * toplev.c (warn_deprecated_use): Add warning control to warning
7587         call.
7588         * c-typeck.c (parser_build_binary_op): Likewise.
7589         (c_finish_if_stmt): Likewise.
7590         * c-common.c (check_function_sentinel): Likewise.
7591         (check_nonnull_arg): Likewise.
7592
7593 2005-07-21  Richard Henderson  <rth@redhat.com>
7594
7595         PR tree-opt/22504
7596         * tree-complex.c (complex_ssa_name_components): New.
7597         (cvc_lookup): Allow entry not found.
7598         (create_components): Remove.
7599         (create_one_component_var, get_component_var): New.
7600         (get_component_ssa_name, set_component_ssa_name): New.
7601         (extract_component): Use get_component_ssa_name.
7602         (update_complex_components): Use set_component_ssa_name.
7603         (update_complex_components_on_edge): Likewise.
7604         (update_phi_components): Create new PHI nodes directly, instead
7605         of adding insns to edges.
7606         (tree_lower_complex): Allocate and free complex_variable_components
7607         and complex_ssa_name_components here.
7608
7609 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
7610
7611         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7612         revert to returning false.
7613
7614 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7615
7616         PR target/21149
7617         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7618
7619 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7620
7621         PR target/22576
7622         * config/i386/i386.md (cmpxf): Change operand constraints
7623         to "nonmemory_operand".
7624
7625 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7626
7627         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7628
7629 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7630
7631         PR middle-end/21180
7632         * fold-const.c (fold_build1): Add checksum for the operands.
7633         (fold_build2): Likewise.
7634         (fold_build3): Likewise.
7635
7636 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7637
7638         PR middle-end/19055
7639         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7640
7641 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7642
7643         * common.opt (-fforward-propagate): Committed by mistake,
7644         removed.
7645
7646 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7647
7648         * reg-stack.c: Fix comment typo(s).
7649         * tree-ssa-operands.c: Likewise.
7650         * tree-vectorizer: Likewise.
7651
7652 2005-07-21  Nick Clifton  <nickc@redhat.com>
7653
7654         * config/sh/symbian.c: Replace C++ style line comments with C
7655         style line comments.
7656         (symbian_add_attribute): Do not use a ? operator on the LHS of
7657         an assignment.
7658         (sh_symbian_handle_dll_attribute): Change the type of the
7659         method vector to "VEC(tree,gc)*" and use vector accessor
7660         macros to walk over the elements.
7661         (symbian_export_vtable_and_rtti_p): Likewise.
7662         (symbian_class_needs_attribute_p): Likewise.
7663
7664 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7665
7666         PR target/22085
7667         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7668         initialize targetm.resolve_overloaded_builtin here.
7669         (altivec_expand_overloaded_builtin): Make it non-static.
7670         * config/rs6000/rs6000-protos.h
7671         (altivec_expand_overloaded_builtin): New prototype.
7672         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7673         targetm.resolve_overloaded_builtin here.
7674         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7675
7676 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7677             Zdenek Dvorak  <dvorakz@suse.cz>
7678
7679         PR tree-optimization/19210
7680         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7681         New.
7682         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7683         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7684         rely on unproven assumptions.
7685         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7686         * tree-flow.h (number_of_iterations_exit): Add final parameter.
7687         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7688         to number_of_iterations_exit.
7689         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7690         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7691         * tree-ssa-loop-niter.c (find_loop_niter,
7692         estimate_numbers_of_iterations_loop): Likewise.
7693         (number_of_iterations_exit): Honor the new options.
7694         * doc/invoke.texi (Wunsafe-loop-optimizations,
7695         funsafe-loop-optimizations): Document them.
7696
7697 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
7698
7699         PR rtl-optimization/22167
7700         * gcse.c (hoist_code): Fix hoist_exprs[] check.
7701
7702 2005-07-20  Adam Nemet  <anemet@lnxw.com>
7703
7704         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7705         __do_global_dtors_aux longcall.
7706
7707 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
7708
7709         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7710         (old_special_pred_table): Don't reference
7711         SPECIAL_MODE_PREDICATES.
7712         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7713         * config/arc/arc.h: Don't mention PREDICATE_CODES.
7714         * config/sh/predicates.h: Don't mention
7715         SPECIAL_MODE_PREDICATES.
7716         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7717         Remove.
7718
7719 2005-07-20  DJ Delorie  <dj@redhat.com>
7720
7721         * config.gcc: Add m32c-elf support.
7722
7723         * doc/contrib.texi: Mention m32c.
7724         * doc/extend.texi: Document m32c extensions.
7725         * doc/install.texi: Mention m32c.
7726         * doc/invoke.texi: Document m32c options.
7727         * doc/md.texi: Document m32c constraints.
7728
7729         * config/m32c/addsub.md: New file.
7730         * config/m32c/bitops.md: New file.
7731         * config/m32c/cond.md: New file.
7732         * config/m32c/jump.md: New file.
7733         * config/m32c/m32c-lib1.S: New file.
7734         * config/m32c/m32c-lib2.c: New file.
7735         * config/m32c/m32c-modes.def: New file.
7736         * config/m32c/m32c-pragma.c: New file.
7737         * config/m32c/m32c-protos.h: New file.
7738         * config/m32c/m32c.abi: New file.
7739         * config/m32c/m32c.c: New file.
7740         * config/m32c/m32c.h: New file.
7741         * config/m32c/m32c.md: New file.
7742         * config/m32c/m32c.opt: New file.
7743         * config/m32c/minmax.md: New file.
7744         * config/m32c/mov.md: New file.
7745         * config/m32c/muldiv.md: New file.
7746         * config/m32c/predicates.md: New file.
7747         * config/m32c/prologue.md: New file.
7748         * config/m32c/shift.md: New file.
7749         * config/m32c/t-m32c: New file.
7750
7751 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7752
7753         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7754         (stack_protect_set, stack_protect_test): New expanders.
7755         (stack_protect_set_si, stack_protect_set_si_media,
7756         stack_protect_set_di_media, stack_protect_test_si,
7757         stack_protect_test_si_media, stack_protect_test_di_media):
7758         New insns.
7759
7760 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
7761
7762         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7763
7764 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
7765
7766         * tree.h (tree_expr_nonzero_p): Export.
7767         * fold-const.c (tree_expr_nonzero_p): Likewise.
7768         Return true for CALL_EXPRs that are alloca calls.
7769         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7770         against zero.
7771         * tree-flow.h (expr_computes_nonzero): Remove.
7772         * tree-vrp.c (expr_computes_nonzero): Remove.
7773         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7774         (extract_range_from_unary_expr): Likewise.
7775         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7776         tree_expr_nonzero_p.
7777
7778 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7779
7780         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7781         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
7782         extra arg "picreg" and use it instead of pic_offset_table_rtx.
7783         All callers changed.
7784         (frame_related_constant_load): New arg "related" which controls
7785         setting of RTX_FRAME_RELATED_P.  All callers changed.
7786         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7787         (bfin_expand_prologue): Add stack limit checking.
7788         * config/bfin/bfin.md (trapifcc): New pattern.
7789
7790         * config/bfin/bfin.c: Include "langhooks.h".
7791         (def_builtin): Go through lang_hooks to call builtin_function.
7792
7793         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7794         * config/bfin/predicates.md (symbol_ref_operand): New.
7795         (call_insn_operand): Delete.  All callers changed to use
7796         register_no_elim_operand.
7797         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7798         call_cookie field.
7799         (function_arg): Use it to generate the call's operand 2.
7800         (bfin_longcall_p): New function.
7801         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
7802         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
7803         determine if the address needs to be in a REG.
7804         (bfin_handle_longcall_attribute): New function.
7805         (bfin_attribute_table): Add "longcall" and "shortcall".
7806         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7807         (CUMULATIVE_ARGS): New member call_cookie.
7808         (PREDICATE_CODES): Add symbol_ref_operand.
7809         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7810         extra USE to the pattern.
7811         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7812         New patterns, split off call_insn, sibcall_insn, call_value_insn and
7813         sibcall_value_insn; now the new patterns handle direct calls and the
7814         old ones indirect calls.
7815         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7816
7817 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
7818
7819         * doc/trouble.texi: Update section on handling of empty loops.
7820
7821 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
7822
7823         * config.gcc: Remove support for sparc-*-openbsd*,
7824         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7825         ns32k-*-netbsd*.
7826         * config.host: Remove support for i860-*-sysv4* as a host.
7827         * config/i860/*, config/ip2k/*, config/ns32k/*,
7828         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7829         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7830         mention obsolete ports.
7831
7832 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7833
7834         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7835         soft frame pointer.
7836         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7837         of frame_pointer_rtx.
7838         (sh_expand_epilogue): Likewise.
7839         (sh_set_return_address): Likewise.
7840         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7841         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
7842         offsets from FRAME_POINTER_REGNUM.
7843         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7844         (sh_register_names): Add initializer for sfp.
7845         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7846         (VALID_REGISTER_P): Likewise.
7847         (FIRST_PSEUDO_REGISTER): Update.
7848         (DWARF_FRAME_REGISTERS): Define.
7849         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7850         (HARD_FRAME_POINTER_REGNUM): Define.
7851         (FRAME_POINTER_REGNUM): Redefine.
7852         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7853         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
7854         from FRAME_POINTER_REGNUM.
7855         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7856         FRAME_POINTER_REGNUM.
7857         (REG_CLASS_CONTENTS): Add sfp.
7858         (REG_ALLOC_ORDER): Likewise.
7859         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
7860         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7861         of frame_pointer_rtx.
7862         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7863
7864 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
7865
7866         * fold-const.c (tree_expr_nonnegative_p): Only return true for
7867         ABS_EXPR when flag_wrapv is false because of INT_MIN.
7868         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7869         of an ABS_EXPR.
7870         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7871         ABS_EXPR<x>.
7872
7873 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
7874
7875         Make CONSTRUCTOR use VEC to store initializers.
7876         * c-common.c (complete_array_type): Update to cope with VEC in
7877         CONSTRUCTOR_ELTS.
7878         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7879         (pp_c_constructor_elts): New function.
7880         * c-pretty-print.h (pp_c_constructor_elts): Declare.
7881         * c-typeck.c (build_function_call, build_c_cast, digest_init,
7882         struct constructor_stack, struct initializer_stack,
7883         constructor_elements, push_init_level, pop_init_level,
7884         add_pending_init, find_init_member, output_init_element): Update to
7885         cope with VEC in CONSTRUCTOR_ELTS.
7886         * coverage.c (build_fn_info_value, build_ctr_info_value,
7887         build_gcov_info): Likewise.
7888         * expr.c (categorize_ctor_elements_1, store_constructor,
7889         expand_expr_real_1): Likewise.
7890         * fold-const.c (fold_ternary): Likewise.
7891         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7892         gimplify_init_constructor, gimplify_expr): Likewise.
7893         * tree-dump.c (dequeue_and_dump): Likewise.
7894         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7895         node.
7896         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7897         CONSTRUCTOR_ELTS.
7898         * tree-sra.c (generate_element_init_1): Likewise.
7899         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7900         * tree-ssa-operands.c (get_expr_operands): Likewise.
7901         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7902         * tree-vect-transform.c (vect_get_vec_def_for_operand):
7903         (get_initial_def_for_reduction): Likewise.
7904         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7905         value handle in annotations.
7906         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7907         tree_node_structure): Add support for constr_kind.
7908         (build_vector_from_ctor, build_constructor_single,
7909         build_constructor_from_list): New functions.
7910         (build_constructor): Update to take a VEC instead of a TREE_LIST.
7911         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7912         Update to cope with VEC in CONSTRUCTOR_ELTS.
7913         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7914         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7915         CONSTRUCTOR_APPEND_ELT): New macros.
7916         (struct constructor_elt, struct tree_constructor): New data types.
7917         (union tree_node): Add tree_constructor field.
7918         * treestruct.def: Define TS_CONSTRUCTOR.
7919         * varasm.c (const_hash_1, compare_constant, copy_constant,
7920         compute_reloc_for_constant, output_addressed_constants,
7921         initializer_constant_valid_p, output_constant,
7922         array_size_for_constructor, output_constructor): Update to cope with
7923         VEC in CONSTRUCTOR_ELTS.
7924         * vec.h (VEC_empty, VEC_copy): New macros.
7925
7926 2005-07-19  Devang Patel  <dpatel@apple.com>
7927
7928         * dbxout.c (dbxout_type): Check Objective-C++ lang.
7929
7930 2005-07-19  Richard Henderson  <rth@redhat.com>
7931
7932         PR tree-opt/22278
7933         * gimplify.c (gimplify_expr): Use main variant type for the temp
7934         destination for a discarded volatile read.
7935         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7936         casts between non-void types that change volatility.
7937
7938 2005-07-15  DJ Delorie  <dj@redhat.com>
7939
7940         * toplev.h: Add comment about the first parameter for warning().
7941         * errors.h: Likewise.
7942
7943         * c.opt (Wpragmas): New.
7944         * doc/invoke.texi: Document it.
7945
7946         * function.c (do_warn_unused_parameter): Add warning control to
7947         warning call.
7948         * c-decl.c (warn_if_shadowing): Likewise.
7949         * c-lex.c (cb_def_pragma): Likewise.
7950         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7951         (pop_alignment): Likewise.
7952         (handle_pragma_pack): Likewise.
7953         (apply_pragma_weak): Likewise.
7954         (handle_pragma_weak): Likewise.
7955         (handle_pragma_redefine_extname): Likewise.
7956         (add_to_renaming_pragma_list): Likewise.
7957         (handle_pragma_extern_prefix): Likewise.
7958         (maybe_apply_renaming_pragma): Likewise.
7959         (handle_pragma_visibility): Likewise.
7960
7961         * config/c4x/c4x-c.c (BAD): Likewise.
7962         (c4x_parse_pragma): Likewise.
7963         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7964         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7965         (rs6000_pragma_longcall): Likewise.
7966         * config/v850/v850-c.c (pop_data_area): Likewise.
7967         (ghs_pragma_section): Likewise.
7968         (ghs_pragma_section): Likewise.
7969         (ghs_pragma_interrupt): Likewise.
7970         (ghs_pragma_starttda): Likewise.
7971         (ghs_pragma_startsda): Likewise.
7972         (ghs_pragma_startzda): Likewise.
7973         (ghs_pragma_endtda): Likewise.
7974         (ghs_pragma_endsda): Likewise.
7975         (ghs_pragma_endzda): Likewise.
7976
7977 2005-07-19  Danny Berlin <dberlin@dberlin.org>
7978             Kenneth Zadeck <zadeck@naturalbridge.com>
7979
7980         * Makefile.in: Removed tree-promote-statics.c
7981         * tree-promote-statics.c: Removed.
7982         * common.opt: Removed flag-promote-statics.
7983         * opts.c: Ditto.
7984         * passes.c: Removed tree-promote-statics pass.
7985         * tree-pass.h: Ditto.
7986         * timevar.def: Removed TV_PROMOTE_STATICS.
7987
7988
7989 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
7990
7991         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7992         and *-*-freebsd9.
7993         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7994
7995 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7996
7997         PR c/22476
7998         * c-common.c (check_function_arguments): Call
7999         'check_function_format' if either -Wformat or
8000         -Wmissing-format-attribute are specified.
8001         * c-format.c (check_function_format): Check -Wformat before
8002         calling 'check_format_info'.
8003         * c-opts.c (c_common_post_options): Don't warn for
8004         -Wmissing-format-attribute without -Wformat.
8005         * c-typeck.c (convert_for_assignment): Detect additional cases for
8006         -Wmissing-format-attribute.
8007         * doc/invoke.texi (-Wmissing-format-attribute): Document new
8008         behavior.
8009
8010 2005-07-19  Richard Guenther  <rguenther@suse.de>
8011
8012         * config/i386/i386.md (lrint<mode>2): Use temporary
8013         instead of clobbering non-existent memory.
8014
8015 2005-07-19  Nick Clifton  <nickc@redhat.com>
8016
8017         * config/avr/avr.c (legitimate_address_p): Fix debugging print
8018         statement to avoid displaying ASCII control characters.
8019
8020 2005-07-19  Ben Elliston  <bje@au.ibm.com>
8021
8022         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8023         * cfganal.c (find_edge_index): Ditto.
8024         * combine.c (combine_instructions): Ditto.
8025         * ddg.c (create_scc): Ditto.
8026         (find_successors): Ditto.
8027         (find_predecessors): Ditto.
8028         (find_nodes_on_paths): Ditto.
8029         (longest_simple_path): Ditto.
8030         * flow.c (update_life_info): Ditto.
8031         (count_or_remove_death_notes): Ditto.
8032         (clear_log_links): Ditto.
8033         * modulo-sched.c (generate_reg_moves): Ditto.
8034         (find_max_asap): Ditto.
8035         (find_max_hv_min_mob): Ditto.
8036         (find_max_dv_min_mob): Ditto.
8037         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8038         * sched-rgn.c (extract_edgelst): Ditto.
8039         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8040         (dump_update_ssa): Ditto.
8041         (ssa_names_to_replace) Ditto.
8042         (switch_virtuals_to_full_rewrite): Ditto.
8043         (update_ssa): Ditto.
8044         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8045
8046 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8047
8048         Fix PR tree-optimization/22483
8049
8050         * tree-complex.c (create_components): Use
8051         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8052         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8053         * tree-flow.h (safe_referenced_var_iterator): New structure.
8054         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8055         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8056         safe_referenced_var iterator.
8057         (add_type_alias): Ditto.
8058
8059 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8060
8061         * loop-init.c (rest_of_handle_loop2): Remove.
8062         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8063         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8064         (pass_rtl_loop_init, pass_rtl_loop_done,
8065         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8066         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8067         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8068         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8069         pass_tree_loop_done, and pass_tree_unswitch.
8070         (gate_loop): Rename to gate_tree_loop.
8071         * passes.c (init_optimization_passes): Update for renamed tree
8072         loop passes.  Add the new loop2 passes as subpasses of loop2.
8073         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8074         Update for the renamed tree loop passes.
8075
8076 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8077
8078         PR middle-end/22057
8079         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8080         blocks when optimizing.
8081
8082 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8083
8084         * common.opt (frename-registers): Initialize to 2.
8085         (fweb): Ditto.
8086         (fgcse-after-reload): Ditto.
8087         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8088         (process_options): Only change flag_web, flag_rename_registers,
8089         and flag_rerun_cse_after_loop if not explicitly set by user.
8090
8091 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8092
8093         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8094         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8095         in 64-bit mode the same as DImode in 32-bit mode.
8096         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8097         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8098         mode. Add new mode parameter.
8099         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8100         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8101         x86_64_shift_adj): New expanders.
8102         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8103         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8104         insns.
8105         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8106         DImode shift splitters.
8107         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8108         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8109         mode parameter.
8110
8111 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8112
8113         * i386.md (movdi_extzv_1): New.
8114         (zero_extendhidi2): Combine alternatives and never force use of
8115         REX64 prefix.
8116         (zero_extendqidi2): Likewise. Don't restrict input selection.
8117
8118 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8119
8120         Fix PR tree-optimization/22531
8121         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8122          moment.
8123
8124 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8125
8126         * tree-promote-statics.c (pass_promote_statics): Change dump file
8127          name.
8128
8129 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8130
8131         * tree-optimize.c (init_tree_optimization_passes): Add
8132         pass_eliminate_useless_stores pass.
8133         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8134         * tree-ssa-pre.c (is_copy_stmt): New function.
8135         (follow_copies_till_vuse): Ditto.
8136         (do_eustores): Ditto.
8137         (gate_eustores): Ditto.
8138
8139 2005-07-16  Richard Henderson  <rth@redhat.com>
8140
8141         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8142
8143 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8144            Kenneth Zadeck <zadeck@naturalbridge.com>
8145
8146         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8147         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8148         ipa-type-escape.h, tree-promote-statics.c
8149         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8150         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8151         tree-promote-statics.c: new files.
8152         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8153         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8154         int nonlocal_set_p, mark_constant_function): Deleted.
8155         (rest_of_handle_cfg): Removed call to mark_constant_function.
8156         (nonoverlapping_component_refs_p): Added calls to support
8157         type based aliasing.
8158         * tree-ssa-alias.c (may_alias_p,
8159         compute_flow_insensitive_aliasing): Ditto.
8160         * calls.c (flags_from_decl_or_type): Removed reference to
8161         cgraph_rtl_info.
8162         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8163         too many arguments.  This is necessary for Spec 2000.
8164         * cgraph.h (const_function, pure_function): Removed.
8165         * common.opt: Added "fipa-pure-const", "fipa-reference",
8166         "fipa-type-escape", and "ftree-promote-static".
8167         * opts.c: Ditto.
8168         * passes.c: Added ipa and tree-promote-statics passes.
8169         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8170         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8171         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8172         * tree-flow.h: Added exposed sra calls and addition of
8173         reference_vars_info field for FUNCTION_DECLS.
8174         * tree-pass.h: Added passes.
8175         * tree-sra.c: (sra_init_cache): New function.
8176         (sra_insert_before, sra_insert_after) Made public.
8177         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8178         and made public.
8179         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8180         aliasing. (may_alias_p): Added code to use type escape analysis to
8181         improve alias sets.
8182         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8183         code to prune clobbers of static variables based on information
8184         produced in ipa-reference pass.  Changed call clobbering so that
8185         statics are not marked as clobbered if the call does not clobber
8186         them.
8187
8188 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8189
8190         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8191         too.
8192
8193 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8194
8195         * doc/install.texi (*-*-solaris2*): Document recommended version
8196         of GNU binutils and mention GNU linker problem on Solaris 10.
8197
8198 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8199
8200         PR c/22421
8201         * c-decl.c (c_build_bitfield_integer_type): New function.
8202         (finish_struct): Call it.
8203         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8204
8205 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8206
8207         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8208         before returning.
8209
8210 2005-07-16  Jan Hubicka  <jh@suse.cz>
8211
8212         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8213         (scale_bbs_frequencies_int): Watch roundoff errors.
8214         * predict.c (return_prediction): Initialize return_stmt.
8215
8216 2005-07-16  Jan Hubicka  <jh@suse.cz>
8217
8218         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8219         after RTL profiling.
8220
8221 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8222
8223         PR middle-end/22398
8224         * fold-const.c (build_range_check): Convert high/low to etype
8225         if we are only comparing against exp.
8226
8227 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8228
8229         Fix PR tree-optimization/22376
8230         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8231         special var here.
8232         (need_to_solve): New function.
8233         (compute_points_to_sets): Use it.
8234
8235 2005-07-15  Jan Hubicka  <jh@suse.cz>
8236
8237         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8238         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8239
8240 2005-07-15  Richard Guenther  <rguenther@suse.de>
8241
8242         * c-common.c (handle_flatten_attribute): New function.
8243         Add flatten function attribute.
8244         * doc/extend.texi: Document flatten function attribute.
8245         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8246         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8247         New functions.
8248         (cgraph_decide_inlining): Handle functions with flatten
8249         attribute.
8250
8251 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8252
8253         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8254         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8255         UNSPEC_XCHG, UNSPEC_AND): New.
8256         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8257         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8258         * config/rs6000/sync.md (FETCHOP): New code macro.
8259         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8260         New code attrs.
8261         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8262         (sync_compare_and_swap<mode>): Same.
8263         (sync_lock_test_and_set<mode>): Same.
8264         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8265         for QImode and HImode, and not PPC405.
8266         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8267         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8268         (sync_<fetchop>{si,di}_internal): New.
8269         (sync_nand{si,di}_internal): New.
8270         (sync_old_<fetchop>{si,di}_internal): New.
8271         (sync_old_nand{si,di}_internal): New
8272         (sync_new_<fetchop>{si,di}_internal): New.
8273         (sync_new_nand{si,di}_internal): New.
8274         (atomic_and{si,di}): New.
8275         (sync_new_nand{si,di}_internal): New.
8276         (atomic_and{si,di}): New.
8277         (sync_add<mode>_internal): Delete.
8278         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8279         (sync_sub<mode>_internal): Delte.
8280         (sync_subshort_internal): New.
8281         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8282         (sync_anddi_internal): Delete.
8283         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8284         (sync_booldi_internal): Delete.
8285         (sync_boolc<mode>_internal): Delete.
8286         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8287         (sync_boolc<mode>_internal2): Delete.
8288         (sync_boolcc<mode>_internal): Delete.
8289         (isync, lwsync): Use unspec instead of unspec_volatile.
8290         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8291         Revert UNSPEC_VOLATILE.
8292         (rs6000_split_atomic_op): New.
8293         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8294
8295 2005-07-14  Eric Christopher  <echristo@redhat.com>
8296
8297         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8298         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8299
8300 2005-07-14  Eric Christopher  <echristo@redhat.com>
8301
8302         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8303
8304 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8305
8306         PR tree-optimization/22230
8307         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8308         the computation of the four cross productions for "range op range".
8309
8310 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8311             Ulrich Weigand  <uweigand@de.ibm.com>
8312
8313         PR target/20126
8314         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8315         in some insn.
8316
8317 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8318
8319         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8320
8321 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8322
8323         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8324
8325 2005-07-14  Richard Guenther  <rguenther@suse.de>
8326
8327         PR middle-end/22347
8328         * config/i386/i386-protos.h (ix86_function_value): Change
8329         prototype to match new target hook.
8330         * config/i386/i386.c (ix86_value_regno): Change prototype
8331         to take extra type argument.
8332         (TARGET_FUNCTION_VALUE): Define.
8333         (ix86_function_ok_for_sibcall): Pass extra argument to
8334         ix86_value_regno, check return slot rtx for exact match.
8335         (ix86_function_value): Take extra parameter.  Dispatch to
8336         ix86_value_regno with fndecl/fntype as provided.
8337         (ix86_value_regno): Handle extra type argument.
8338         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8339
8340         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8341         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8342         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8343         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8344         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8345
8346 2005-07-14  Richard Guenther  <rguenther@suse.de>
8347
8348         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8349         * calls.c (expand_call): Pass fntype to hard_function_value.
8350         (emit_library_call_value_1): Likewise.
8351         * explow.c: Include target.h.
8352         (hard_function_value): Take extra argument, the fntype.
8353         Use new target hook for function_value.
8354         * expr.h (hard_function_value): Change prototype.
8355         * function.c (aggregate_value_p): Pass 0 as fntype to
8356         hard_function_value.
8357         (assign_parms): Use new target hook for function_value.
8358         Pass 0 as fntype to hard_function_value.
8359         (expand_function_end): Likewise.
8360         * reg-stack.c: Include target.h.
8361         (stack_result): Use new target hook for function_value.
8362         * target-def.h: New target hook function_value.
8363         * target.h: Likewise.
8364         * targhooks.c (default_function_value): New function.
8365         * targhooks.h (default_function_value): Declare.
8366
8367 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8368
8369         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8370
8371 2005-07-14  Jan Hubicka  <jh@suse.cz>
8372
8373         * tree-dfa.c (dump_variable): Use default_def function.
8374         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8375         * tree-ssa.c (verify_use): Likewise.
8376         * tree-ssanames.c (release_ssa_name): Likewise.
8377         * tree-tailcall.c (eliminate_tail_call): Likewise.
8378         (tree_optimize_tail_calls_1): Likewise.
8379         * tree-vrp.c (get_value_range): Likewise.
8380
8381 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8382
8383         * gcc.c (main): Compare language[0] with '*' when iterating over
8384         the infiles.
8385
8386 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8387
8388         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8389         "s390_emit_compare".  Add handling of CCZ1mode.
8390         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8391         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8392         checking.
8393         (s390_branch_condition_mask): Add CCZ1mode handling.
8394         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8395         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8396         Use CCZ1mode instead of CCZmode.
8397         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8398
8399 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8400
8401         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8402         pattern.
8403         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8404
8405 2005-07-13  Eric Christopher  <echristo@redhat.com>
8406
8407         * config/mips/mips.c (mips_canonicalize_comparison): New.
8408         (mips_emit_int_relational): Use.
8409
8410 2005-07-13  Eric Christopher  <echristo@redhat.com>
8411
8412         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8413         static extra parts.
8414         * config/s390/s390.md: Include tpf.md. Move tpf specific
8415         patterns...
8416         * config/s390/tpf.md: To here.
8417         * config/s390/s390.opt: Move tpf specific options...
8418         * config/s390/tpf.opt: to here. Add mmain option.
8419         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8420         * config/s390/tpf.h: Rewrite.
8421
8422 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8423
8424         * doc/tm.texi: Remove @xref{Cross-profiling}.
8425
8426 2005-07-13  Jeff Law  <law@redhat.com>
8427
8428         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8429         expressions, test their _DECL operands for pointer equality rather
8430         than using operand_equal_p.
8431
8432 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8433
8434         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8435         (TARGET_POSIX_IO): This.
8436         * config/darwin.h: Likewise.
8437         * config/freebsd.h: Likewise.
8438         * config/linux.h: Likewise.
8439         * config/lynx.h: Likewise.
8440         * config/netbsd.h: Likewise.
8441         * config/rs6000/linux64.h: Likewise.
8442         * config/rs6000/linux.h: Likewise.
8443         * config/s390/tpf.h: Likewise.
8444         * config/sh/embed-elf.h: Likewise.
8445         * config/sparc/linux64.h: Likewise.
8446         * config/sparc/linux.h: Likewise.
8447         * config/svr4.h: Likewise.
8448         * gcov-io.h: Likewise.
8449
8450         * doc/tm.texi: Updated.
8451
8452         * libgcov.c (create_file_directory): Defined only if
8453         TARGET_POSIX_IO is defined.
8454         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8455         is defined.
8456
8457 2005-07-13  Jan Hubicka  <jh@suse.cz>
8458
8459         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8460
8461 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
8462
8463         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8464         structure as argument.
8465
8466 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
8467
8468         PR tree-optimization/21921
8469         * tree-iterator.c (tsi_link_before): Support the case when
8470         tsi_end_p (tsi) == true.
8471
8472 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8473
8474         PR tree-optimization/22442
8475         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8476         correctly.
8477
8478 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8479
8480         PR rtl-optimization/20376
8481         * toplev.c (process_options): Enable -fweb and -frename-registers when
8482         unrolling.
8483         * doc/invoke.texi: Update the information about when -fweb and
8484         -frename-registers are enabled.
8485
8486 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8487
8488         PR tree-opt/21840
8489         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8490         if *rhs_p is not a SSA_NAME.
8491
8492 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
8493
8494         Fix PR tree-optimization/22422
8495         * tree-ssa-structalias.c (struct variable_info): Add flag for
8496         special vars.
8497         (get_varinfo): Now a static function.
8498         (new_varinfo): init has_union and is_special_var to false.
8499         (solution_set_add): Check has_union.
8500         (do_da_constraint): Move temporary variable so it gets reset
8501         properly.
8502         Also check for special variable.
8503         (do_ds_constraint): Ditto.
8504         (do_sd_constraint): Ditto.
8505         (do_structure_copy): Check for special variable.
8506         (find_func_aliases): Ditto.
8507         (init_base_vars): Set special vars properly.
8508
8509 2005-07-13  Jan Hubicka  <jh@suse.cz>
8510
8511         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8512         do unit-at-a-time.
8513
8514         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8515         (get_expr_operands): Fix thinko wrt flags and subvars.
8516
8517         PR tree-optimize/22379
8518         * tree-inline.c (expand_call_inline): Do not output sorry in early
8519         inlining.
8520
8521 2005-07-12  Dale Johannesen  <dalej@apple.com>
8522
8523         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
8524
8525 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8526
8527         PR bootstrap/21704
8528         * host-linux.h: Include limits.h.
8529
8530 2005-07-12  Dale Johannesen  <dalej@apple.com>
8531
8532         * expr.c (compress_float_constant):  Add cost check.
8533         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
8534
8535 2005-07-12  Dale Johannesen  <dalej@apple.com>
8536
8537         * gcc.target/i386/compress-float-sse.c:  New.
8538         * gcc.target/i386/compress-float-sse-pic.c:  New.
8539         * gcc.target/i386/compress-float-387.c:  New.
8540         * gcc.target/i386/compress-float-387-pic.c:  New.
8541         * gcc.dg/compress-float-ppc.c:  New.
8542         * gcc.dg/compress-float-ppc-pic.c:  New.
8543
8544 2005-07-12  Eric Christopher  <echristo@redhat.com>
8545
8546         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8547         static extra parts.
8548         * config/s390/s390.md: Include tpf.md. Move tpf specific
8549         patterns...
8550         * config/s390/tpf.md: To here.
8551         * config/s390/s390.opt: Move tpf specific options...
8552         * config/s390/tpf.opt: to here. Add mmain option.
8553         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8554         * config/s390/tpf.h: Rewrite.
8555
8556 2005-07-12  Eric Christopher  <echristo@redhat.com>
8557
8558         * gcc.c (struct infile): Update comment for language.
8559         (main): Rewrite input file resetting code.
8560
8561 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8562
8563         PR tree-opt/22335
8564         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8565         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
8566         (lookup_avail_expr): Use constant_boolean_node instead
8567         of boolean_false_node/boolean_true_node.
8568
8569 2005-07-12  Ben Elliston  <bje@au.ibm.com>
8570
8571         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8572         and use it when printing num_edges.
8573
8574 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8575
8576         * doc/extend.texi (Blackfin Built-in Functions): New section.
8577         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8578         @opindex.
8579
8580 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8581
8582         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8583         s/cmpstrsi/cmpstrnsi
8584         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8585         'cmpstrnsi'.
8586         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8587         (init_optabs): Initialize cmpstrn_optab.
8588         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8589         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8590         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8591         * config/i386/i386.md: s/cmpstr/cmpstrn
8592         * config/c4x/c4x.md: s/cmpstr/cmpstrn
8593         * doc/md.texi: Update documentation.
8594
8595 2005-07-11  Richard Henderson  <rth@redhat.com>
8596
8597         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8598         build_va_arg_indirect_ref.
8599         (alpha_gimplify_va_arg): Likewise.
8600         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8601         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8602         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8603         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8604         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8605         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8606         Likewise.
8607         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8608
8609 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8610
8611         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8612         * passes.c (init_optimization_passes): Add pass_empty_loop.
8613         * tree-pass.h (pass_empty_loop): Declare.
8614         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8615         try_remove_empty_loop, remove_empty_loops): New functions.
8616         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8617         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8618
8619 2005-07-12  Peter Barada  <peter@the-baradas.com>
8620
8621         PR middle-end/16719
8622         PR middle-end/18421
8623         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8624         in address registers.
8625         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8626         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8627         alternative of addsi3_5200.
8628
8629 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8630
8631         * config/mips/mips.md (ffs<mode>2): Remove.
8632
8633 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8634
8635         * doc/tree-ssa.texi (Cleanups): Improve description of
8636         TRY_FINALLY_EXPR.
8637         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8638
8639 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8640
8641         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8642         * tree.h (DECL_ARGUMENT_FLD): New macro.
8643
8644 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8645
8646         Fix PR tree-optimization/22404
8647
8648         * tree-ssa-structalias.c (create_variable_info_for): Use
8649         correct offset.
8650
8651 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8652
8653         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8654         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8655         for second comparison operand.
8656         * config/bfin/predicates.md (reg_or_const_int_operand): New.
8657
8658         * config/bfin/bfin.md (define_attr "type"): Add "sync".
8659         (define_insn_reservation "alu"): Likewise.
8660         (csync, ssync): Now of type sync.
8661         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8662         -mcsync-anomaly -mspecld-anomaly.
8663         * config/bfin/bfin.opt (mcsync): Remove.
8664         (mcsync-anomaly, mspecld-anomaly): Add.
8665         * config/bfin/bfin.c: Include "insn-codes.h".
8666         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8667         (TARGET_DEFAULT_TARGET_FLAGS): New.
8668         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8669
8670 2005-07-11  Steven Bosscher  <stevenb@suse.de>
8671
8672         * basic-block.h: Give the BB flags enum a name, bb_flags.
8673         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8674         * cfgcleanup.c (enum bb_flags): Remove here.
8675         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8676         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8677         (update_forwarder_flag): Likewise.
8678         (thread_jump): Likewise.
8679         (try_forward_edges): Likewise.
8680         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
8681         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
8682         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8683
8684 2005-07-11  Richard Guenther  <rguenther@suse.de>
8685
8686         * config/i386/i386.opt: New target option -msseregparm.
8687         * config/i386/i386.c (override_options): Error out for
8688         -msseregparm but no SSE support.
8689         (ix86_function_sseregparm): Check for global sseregparm.
8690         * doc/invoke.texi: Document -msseregparm.
8691
8692 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8693
8694         * config.gcc (m32r-*-linux*): Use the default extra_parts.
8695         (m32rle-*-linux*): Ditto.
8696
8697 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
8698
8699         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8700         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8701         bytes.
8702
8703 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8704
8705         PR middle-end/22239
8706         PR target/20126
8707         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8708         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8709
8710 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
8711
8712         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8713         (varmap): Heapify varmap.
8714         (constraints): Heapify constraints.
8715         (struct constraint_graph): Heapify succs and preds.
8716         (constraint_vec_find): Update for heapification.
8717         (constraint_set_union): Ditto.
8718         (insert_into_complex): Ditto.
8719         (constraint_edge_vec_find): Ditto.
8720         (erase_graph_self_edge): Ditto.
8721         (add_graph_edge): Ditto.
8722         (get_graph_weights): Ditto.
8723         (merge_graph_nodes): Ditto.
8724         (build_constraint_graph): Ditto.
8725         (topo_visit): Ditto.
8726         (solve_graph): Ditto.
8727         (create_variable_info_for): Ditto.
8728         (init_base_vars): Ditto.
8729         (delete_points_to_sets): Free graph, varmap, and complex constraints.
8730         (condese_varmap_nodes): Free complex vector.
8731         (clear_edges_for_node): Clear succs and preds vector.
8732
8733 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8734
8735         * tree-ssa-structalias.c (update_alias_info): Change counting of
8736         references to not include vdefs.
8737
8738 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8739
8740         * tree-ssa-alias.c (free_used_part_map): Add missing free.
8741         (up_insert): Ditto.
8742
8743 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8744
8745         * pa.c (pa_commutative_p): Make PLUS commutative when
8746         TARGET_NO_SPACE_REGS is true.
8747
8748 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8749
8750         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8751         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8752         * tree-dfa.c (dump_subvars_for): New.
8753         (debug_subvars_for): New.
8754         (dump_variable): Show subvariables if VAR has them.
8755         * tree-flow-inline.h (get_subvar_at): New.
8756         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8757         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8758         Update all users.
8759         (struct subvar): Change fields offset and size to unsigned
8760         HOST_WIDE_INT.
8761         (dump_subvars_for): Declare.
8762         (debug_subvars_for): Declare.
8763         (get_subvar_at): Declare.
8764         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8765         to unsigned HOST_WIDE_INT *.
8766         (overlap_subvar): Likewise.
8767         * tree-gimple.c (is_gimple_reg): Always return false for
8768         SFTs and memory tags.
8769         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8770         Update all callers.
8771         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8772         (compute_may_aliases): Call compute_points_to_sets.
8773         (collect_points_to_info_for): Remove.
8774         (compute_points_to_and_addr_escape): Remove.
8775         (delete_alias_info): Call delete_points_to_sets.
8776         (compute_flow_sensitive_aliasing): If the call to
8777         find_what_p_points_to returns false, call set_pt_anything.
8778         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8779         (set_pt_anything): Clear pi->pt_vars.
8780         (set_pt_malloc): Remove.
8781         (merge_pointed_to_info): Remove.
8782         (add_pointed_to_expr): Remove.
8783         (add_pointed_to_var): Remove.
8784         (collect_points_to_info_r): Remove.
8785         (is_escape_site): Make extern.
8786         (create_sft): New.
8787         (create_overlap_variables_for): Call it.
8788         * tree-ssa-copy.c (merge_alias_info): Never merge
8789         flow-sensitive alias information.
8790         * tree-ssa-operands.c (get_expr_operands): Adjust variables
8791         offset and size to be unsigned HOST_WIDE_INT.
8792         (add_to_addressable_set): Rename from note_addressable.
8793         Set TREE_ADDRESSABLE as the variables are added to the set.
8794         Update all users.
8795         (add_stmt_operand): Do not try to micro-optimize unmodifiable
8796         operands into VUSEs when adding V_MAY_DEFs for members in an
8797         alias set.
8798         * tree-ssa-operands.h (add_to_addressable_set): Declare.
8799         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8800         (struct variable_info): Add bitfield is_heap_var.
8801         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8802         (new_var_info): Initialize is_heap_var.
8803         (get_constraint_for): Add HEAP variables to the symbol table.
8804         Mark them with is_heap_var.
8805         (update_alias_info): New.  Taken mostly from the old
8806         compute_points_to_and_addr_escape.
8807         (handle_ptr_arith): New.
8808         (find_func_aliases): Call update_alias_info.
8809         Call handle_ptr_info for tcc_binary expressions.
8810         Call mark_stmt_modified.
8811         (create_variable_info_for): If DECL has subvars, do not create
8812         variables for its subvars.  Always add all the fields.
8813         (set_uids_in_ptset): If the solution includes ANYOFFSET and
8814         SFTs, then add all the SFTs of the structure.
8815         If VI->DECL is an aggregate with subvariables, add the SFT at
8816         VI->OFFSET.
8817         (find_what_p_points_to): If VI is an artificial variable,
8818         translate to bitfields in SSA_NAME_PTR_INFO.
8819         If the solution is empty, set pi->pt_vars to NULL
8820         (init_base_vars): Create ANYOFFSET.
8821         (compute_points_to_sets): Rename from create_alias_vars.
8822         Make extern.
8823         (pass_build_pta): Remove.
8824         (delete_points_to_sets): Rename from delete_alias_vars.
8825         (pass_del_pta): Remove.
8826         * tree-ssa-structalias.h (struct alias_info): Move from
8827         tree-ssa-alias.h.
8828         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8829         NUM_REFERENCES_SET): Likewise.
8830         (compute_points_to_sets, delete_points_to_sets): Declare.
8831
8832 2005-07-09  Richard Henderson  <rth@redhat.com>
8833
8834         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8835         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8836         alpha_split_lock_test_and_set_12): New functions.
8837         * config/alpha/alpha-protos.h: Update.
8838         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8839         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8840         * config/alpha/sync.md (I12MODE): New.
8841         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8842         (sync_<fetchop_name><I48MODE>): Likewise.
8843         (sync_nand<I48MODE>): Likewise.
8844         (sync_old_<fetchop_name><I48MODE>): Likewise.
8845         (sync_new_<fetchop_name><I48MODE>): Likewise.
8846         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8847         (sync_compare_and_swap<I48MODE>): Likewise.
8848         (sync_lock_test_and_set<I48MODE>): Likewise.
8849         (sync_compare_and_swap<I12MODE>): New.
8850         (sync_compare_and_swap<I12MODE>_1): New.
8851         (sync_lock_test_and_set<I12MODE>): New.
8852         (sync_lock_test_and_set<I12MODE>_1): New.
8853
8854 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8855
8856         PR 21356
8857         PR 22332
8858         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8859
8860 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
8861
8862         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8863         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8864
8865 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
8866
8867         PR target/21656
8868         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8869
8870 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
8871
8872         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8873         memory_operand constraint.
8874         (store_conditional_<mode>): Same.
8875         (sync_compare_and_swap<mode>): Same.
8876         (sync_lock_test_and_set<mode>): Same.
8877
8878 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
8879
8880         Rewrite PIC support to more closely model actual instructions.
8881         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8882         (cris_symbol): Remove prototypes for removed functions.
8883         (cris_pic_symbol_type_of, cris_valid_pic_const)
8884         (cris_expand_pic_call_address): Prototypes for new functions.
8885         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8886         variable.
8887         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8888         modifiers.
8889         <case ':'>: Add case for new punctuation character.
8890         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8891         emitting (extra) PIC modifier.
8892         <case UNSPEC>: Do not assert for PLT.
8893         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8894         (cris_expand_prologue, cris_expand_epilogue): Check
8895         for pic_offset_table_rtx usage instead of taking
8896         current_function_uses_pic_offset_table as the final word.
8897         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8898         Remove flag_pic difference.
8899         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8900         the moral equivalents of...
8901         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8902         functions.
8903         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8904         (cris_handle_option): Mark ARG as unused.
8905         (cris_expand_pic_call_address): New worker function for "call",
8906         "call_value".
8907         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8908         output PIC constructs here.
8909         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8910         as symbol-specific modifers, not whole or part of operands.
8911         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8912         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8913         constants and flag_pic.
8914         (CONSTANT_INDEX_P): Adjust for new functions.
8915         (enum cris_pic_symbol_type): New helper type.
8916         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8917         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8918         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8919         define_constants.
8920         ("movsi"): Emit actual instructions for GOT and relative access.
8921         ("*movsi_got_load"): New pattern to set up the register holding
8922         the GOT pointer.
8923         ("*movsi_internal"): Operand 1 is not a plain general_operand.
8924         Adjust FIXME for 'S'.
8925         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8926         Use "movs" for -fpic cases.
8927         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8928         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8929         ("call", "call_value"): Just call cris_expand_pic_call_address for
8930         PIC addresses.
8931         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8932         Remove special pattern.
8933         ("*expanded_call_side", "*expanded_call_value_side"): New
8934         patterns.
8935         (gotplt-to-plt, gotplt-to-plt-side-call)
8936         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8937         peephole2:s.
8938         * config/cris/cris/predicates.md
8939         ("cris_general_operand_or_gotless_symbol"): Remove unused
8940         predicate.
8941         ("cris_general_operand_or_symbol"): Adjust for new functions.
8942
8943 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8944
8945         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8946
8947 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
8948
8949         * Makefile.in (TREE_H): Add treestruct.def.
8950         (c-decl.o): Add pointer-set.h
8951         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8952         visibility on regular DECL's.
8953         (merge_decls): Fix the copying of decl nodes of various types for
8954         the new structures.  Don't update RTL, section name, weak status,
8955         etc, on DECL's without RTL.
8956         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8957         Don't check volatile on non-variable types.
8958         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8959         to check whether we have seen arguments.
8960         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8961         flag is checked before field (flag is common, field is not).
8962         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
8963         TS_DECL_COMMON could have an origin.
8964         (add_location_or_const_value_attribute): Don't check section name
8965         on non-var/function decls.
8966         (dwarf2out_var_location): Reverse order of tests.
8967         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8968         with DECL_WRTL_CHECK.
8969         * expmed.c (make_tree): rtl is now in decl_with_rtl.
8970         * fold-const.c (fold_binary): Don't check weakness on
8971         non-var/function decls.
8972         (tree_expr_nonzero_p): Ditto.
8973         (fold_checksum_tree): Use tree_decl_extra as sizeof
8974         buffer.
8975         * ggc-page.c (extra_order_size_table): Add sizes for
8976         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
8977         tree_field_decl.
8978         * gimplify.c (gimplify_bind_expr): Only set
8979         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8980         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8981         without RTL.
8982         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8983         * langhooks.h (init_ts). New langhook.
8984         * passes.c (rest_of_decl_compilation): Reverse order of tests.
8985         * print-tree.c (print_node): Update to only print fields that
8986         exist in the structures the passed decl has.
8987         * toplev.c (wrapup_global_declarations): Don't reset
8988         DECL_DEFER_OUTPUT on DECL's that don't contain it.
8989         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8990         * tree-inline.c (remap_decl): Ditto.
8991         * tree-outof-ssa.c (create_temp): Reverse order of tests.
8992         * tree-pretty-print.c (print_declaration): Don't print
8993         DECL_REGISTER on things that don't contain it.
8994         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8995         non-var/function decls.
8996         * tree.c (tree_contains_struct): New structure.
8997         (init_priority_for_decl): New hashtable.
8998         (tree_int_map): New structure.
8999         (tree_int_map_eq): New function.
9000         (tree_int_map_marked_p): Ditto.
9001         (tree_int_map_hash): Ditto.
9002         (tree_map): Move to tree.h.
9003         (tree_map_eq): Externalize.
9004         (tree_map_hash): Ditto.
9005         (tree_map_marked_p): Ditto.
9006         (init_ttree): Set up tree_contains_struct and call langhook.
9007         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9008         (tree_code_size): Update for new structures.
9009         (tree_node_structure): Update for new structures.
9010         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9011         without the field.
9012         (copy_node_stat):  Copy init priority.
9013         (build_decl_stat): Ditto for visibility.
9014         (ts_enum_names): New.
9015         (tree_contains_struct_check_failed): New function.
9016         (decl_init_priority_lookup): Ditto.
9017         (decl_init_priority_insert): Ditto.
9018         * treestruct.def: New file.
9019         * tree.h (CODE_CONTAINS_STRUCT): New macro.
9020         (CONTAINS_STRUCT_CHECK): Ditto.
9021         (tree_contains_struct_check_failed): New prototype.
9022         (DECL_CHECK): Removed.
9023         (DECL_MINIMAL_CHECK): New.
9024         (DECL_COMMON_CHECK): Ditto.
9025         (DECL_WRTL_CHECK): Ditto.
9026         (DECL_NON_COMMON_CHECK): Ditto.
9027         (DECL_WITH_VIS_CHECK): Ditto.
9028         (VAR_OR_FUNCTION_DECL_P): Ditto
9029         (struct tree_decl_minimal): New structure.
9030         (struct tree_decl_common): Ditto.
9031         (struct tree_decl_with_rtl): Ditto.
9032         (struct tree_decl_with_vis): Ditto.
9033         (struct tree_decl_non_common): Ditto.
9034         (struct tree_field_decl): Ditto.
9035         (struct tree_parm_decl): Ditto.
9036         (struct tree_var_decl): Ditto.
9037         (struct tree_function_decl): Ditto.
9038         (struct tree_const_decl): Ditto.
9039         (struct tree_result_decl): Ditto.
9040         (union tree_node): Add new structures.
9041         * var-tracking.c (track_expr_p): Reverse order of tests.
9042
9043         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9044
9045 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9046
9047         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9048         * system.h: Poison FINALIZE_PIC.
9049         * doc/tm.texi (FINALIZE_PIC): Remove.
9050
9051 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9052
9053         PR tree-opt/22329
9054         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9055         to the correct type if we have a MODIFY_EXPR.
9056
9057 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9058
9059         PR tree-optimization/22360
9060         * tree.c (upper_bound_in_type): Fix calculations for casting
9061         to a non-wider signed type and casting a signed value to a
9062         wider unsigned type.
9063         (lower_bound_in_type): Fix calculations for casting to a
9064         non-wider signed type.
9065
9066         PR tree-optimization/20139
9067         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9068         release_defs.
9069         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9070         fold_cond_expr_cond.
9071         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9072         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9073
9074 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9075
9076         PR tree-opt/22356
9077         * tree-complex.c (expand_complex_libcall): Produce
9078         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9079
9080 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9081
9082         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9083         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9084         b" assert and inserted fastpath code for this case.
9085         (bitmap_ior): Removed "a != b" assert.
9086
9087 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9088
9089         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9090         (ENDFILE_SPEC): Likewise.
9091         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9092
9093         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9094         a large stack frame at epilogue.
9095
9096 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9097
9098         * final.c: Include sdbout.h when required.
9099
9100 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9101
9102         * config.gcc (*-*-darwin*): Only one target-specific header file
9103         for generic darwin.
9104         (powerpc-*-darwin*): Add version-specific header files.
9105         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9106         * config.in: Regenerate.
9107         * configure: Regenerate.
9108         * gcc.c: Include xregex.h.
9109         (version_compare_spec_function): New.
9110         (spec_function): Add version-compare.
9111         (replace_outfile_spec_function): Reformat comment.
9112         (compare_version_strings): New.
9113         * config/darwin-c.c (version_as_macro): New.
9114         (builtin_define): New.
9115         (darwin_cpp_builtins): New.
9116         * config/darwin-protos.h (darwin_cpp_builtins): New.
9117         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9118         (LIB_SPEC): Make unconditional, update comment.
9119         (TARGET_C99_FUNCTIONS): Define.
9120         * config/darwin.opt: Sort.
9121         (mmacosx-version-min=): New.
9122         * config/darwin7.h: Delete.
9123         * config/darwin8.h: Delete.
9124         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9125         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9126         (TARGET_C99_FUNCTIONS): Define.
9127         * config/rs6000/darwin7.h: New.
9128         * config/rs6000/darwin8.h: New.
9129         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9130         (-mmacosx-version-min): Document.
9131
9132 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9133
9134         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9135
9136 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9137
9138         PR middle-end/22239
9139         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9140
9141 2005-07-07  Khem Raj  <kraj@mvista.com>
9142
9143         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9144         in bytes, not words.
9145
9146 2005-07-07  Paul Brook  <paul@codesourcery.com>
9147
9148         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9149         DEFAULT_FUNCTION_ARG_PADDING to upward.
9150
9151 2005-07-07  Richard Henderson  <rth@redhat.com>
9152
9153         * function.c (locate_and_pad_parm): Record parameter alignment in
9154         stack_alignment_needed.
9155
9156 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9157
9158         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9159         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9160         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9161         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9162         (define_attr "type"): Add isync, sync, load_l, store_c.
9163         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9164         Create scratch volatile MEM.
9165         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9166         sync.
9167         (load_locked_<mode>): New.
9168         (store_conditional_<mode>): New.
9169         (sync_compare_and_swap<mode>): Replace with splitter.
9170         (sync_lock_test_and_set<mode>): Replace with splitter.
9171         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9172         and UNSPECV_ISYNC.
9173         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9174         is ics.  Attribute isync.
9175         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9176         lwsync.
9177         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9178         and UNSPECV_SYNC_OP.
9179         (emit_unlikely_jump): New.
9180         (emit_load_locked): New.
9181         (emit_store_conditional): New.
9182         (rs6000_split_compare_and_swap): New.
9183         (rs6000_split_lock_test_and_set): New.
9184         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9185         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9186         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9187         rs6000_split_lock_test_and_set): Declare.
9188         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9189         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9190         store_c, isync, sync.
9191
9192 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9193
9194         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9195         filenames to gtyp-gen.h.
9196         (s-typ-gen): Use it in place of for loops.
9197
9198 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9199
9200         * hooks.c (hook_bool_rtx_int_false): New function.
9201         * hooks.h (hook_bool_rtx_int_false): Declare.
9202         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9203         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9204         * target.h (struct gcc_target): Add commutative_p member.
9205         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9206         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9207         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9208         (pa_commutative_p): New function.
9209         * jump.c (target.h): Include.
9210         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9211         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9212
9213 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9214
9215         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9216         (s390_expand_setmem): New.
9217         * config/s390/s390.c: Likewise.
9218         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9219         Adapt comments.
9220         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9221         general_operand.  Call new function "s390_expand_setmem".
9222         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9223         ("setmem_long", "*setmem_long"): ... this.
9224
9225 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9226
9227         * config/s390/s390.c: (optimization_options): Enable
9228         TARGET_MVCLE at -Os.
9229         * doc/invoke.texi: Document changes in default behaviour.
9230         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9231
9232 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9233
9234         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9235         defined by back-end.
9236
9237 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9238
9239         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9240         all sets in the pattern.
9241         * config/rs6000/rs6000.md (stack_protect_testsi,
9242         stack_protect_testdi): Likewise.
9243
9244 2005-07-06  Jeff Law  <law@redhat.com>
9245
9246         * tree-vrp.c (simplify_using_ranges): Kill.
9247         (vrp_finalize): Remove call to simplify_using_ranges.
9248         (simplify_stmt_using_ranges): New function extracted from
9249         simplify_using_ranges.
9250         (simplify_div_or_mod_using_ranges): Likewise.
9251         (simplify_abs_using_ranges): Likewise.
9252         (simplify_cond_using_ranges): New function.
9253         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9254         * tree-ssa-propagate.c (substitute_and_fold): Call
9255         simplify_stmt_using_ranges if we have range information.
9256
9257 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9258
9259         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9260         ia64_flag_schedule_isns2.
9261
9262         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9263         reading/writing general registers.
9264         (ia64_function_arg): Revert 2005-06-18 change.
9265
9266 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9267
9268         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9269         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9270
9271 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9272
9273         * function.c (expand_function_end): Revert part of 2005-06-27
9274         patch.  Do sjlj_emit_function_exit_after after return_label.
9275
9276 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9277
9278         * doc/install.texi (--disable-libssp): New.
9279
9280 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9281
9282         * doc/invoke.texi: Update -fforce-mem documentation.
9283         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9284         code for -fforce-mem.
9285         * expmed.c: (store_bit_field,store_fixed_bit_field,
9286         extract_bit_field): Ditto.
9287         * expr.c: (convert_move): Ditto.
9288         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9289         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9290         emit_conditional_add,expand_float,expand_fix): Ditto.
9291         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9292         (common_handle_option): Issue warning when -fforce-mem specified.
9293
9294 2005-07-06  Paul Brook  <paul@codesourcery.com>
9295
9296         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9297         argument is empty.
9298         * configure: Regenerate.
9299
9300 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9301
9302         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9303
9304 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9305
9306         Fix PR tree-optimization/22319
9307         Fix PR tree-optimization/22140
9308         Fix PR tree-optimization/22310
9309
9310         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9311         variable sized types.
9312         Use correct type for intermediate structure on *a = *b structure
9313         copies.
9314
9315 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9316
9317         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9318         Remove.
9319         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9320         (machine_function): Move typedef to...
9321         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9322         varargs_save_offset field.
9323         (rs6000_stack_t): Remove varargs_size field.
9324         (setup_incoming_varargs): Allocate varargs save area using
9325         assign_stack_local, try to make it as small as possible.
9326         Save offset from virtual_stack_vars_rtx to the save area
9327         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9328         instead of magic 8 when fp word byte size is used.
9329         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9330         instead of -RS6000_VARARGS_SIZE.
9331         (rs6000_stack_info, debug_stack_info,
9332         rs6000_initial_elimination_offset): Remove all traces of
9333         varargs_size.
9334         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9335         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9336         RS6000_VARARGS_AREA.
9337
9338 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9339
9340         PR tree-optimization/21963
9341         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9342         constant_multiple_of in the same way get_computation_cost_at does.
9343
9344 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9345
9346         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9347         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9348         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9349         and return its previous value.
9350         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9351         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9352         constants.
9353         (stack_protect_set, stack_protect_test): New expanders.
9354         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9355         stack_protect_testdi): New insns.
9356         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9357         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9358
9359 2005-07-06  Jeff Law  <law@redhat.com>
9360
9361         * tree-ssa-dce.c (cfg_altered): New global.
9362         (tree_dce_init): Initialize cfg_altered.
9363         (remove_dead_stmt): If we remove an edge in the CFG, then set
9364         CFG_ALTERED.
9365         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9366         the dominators.
9367
9368 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9369
9370         * Makefile.in (stamp-collect-ld): Use
9371         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9372         ./collect-ld if it already exists.
9373         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9374         Don't remove ./nm if it already exists.
9375
9376 2005-07-05  Devang Patel  <dpatel@apple.com>
9377
9378         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9379         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9380         * tree-vectorizer.c (vect_loop_location): New.
9381         (vect_print_dump_info): Use vect_loop_location.
9382         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9383         (vectorize_loops): Set vect_loop_location.
9384         * tree-vect-analyze.c (vect_analyze_offset_expr,
9385         vect_determin_vectorization_factor, vect_analyze_operations,
9386         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9387         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9388         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9389         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9390         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9391         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9392         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9393         vect_analyze_loop): Adjust vect_print_dump_info API.
9394         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9395         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9396         vect_finish_stmt_generation, vectorizable_assignment,
9397         vectorizable_operation, vectorizable_store, vectorizable_load,
9398         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9399         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9400         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9401         vect_transform_loop): Same.
9402         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9403         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9404         Same.
9405
9406 2005-07-05  Randolph Chung  <tausq@debian.org>
9407
9408         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9409         * configure: Regenerate.
9410         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9411         (pa_tls_referenced_p): Declare.
9412         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9413         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9414         (legitimize_tls_address): New.
9415         (hppa_legitimize_address): Handle TLS addresses.
9416         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9417         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9418         (emit_move_sequence): Handle TLS addresses.
9419         (pa_encode_section_info): Call default handler to handle common
9420         sections.
9421         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9422         (CONSTANT_ADDRESS_P): Reject TLS operands.
9423         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9424         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9425         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9426         (UNSPEC_TLSLE): Define new constants.
9427         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9428         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9429         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9430         (tie_symbolic_operand, tle_symbolic_operand): New
9431
9432 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
9433
9434         * aclocal.m4: Update macros for autoconf 2.59 style.
9435         * configure.ac: Likewise.
9436
9437 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9438
9439         * pa.c (function_value): Handle small aggregates on 32-bit targets.
9440         (function_arg): Pass small aggregates in general registers on 32-bit
9441         targets.
9442         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9443
9444 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
9445
9446         * Makefile.in (final.o): Fix dependencies.
9447
9448 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9449
9450         PR c/22013
9451         PR c/22098
9452         * langhooks.h (struct lang_hooks): Add expr_to_decl.
9453         * langhooks.c (lhd_expr_to_decl): New.
9454         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9455         New.
9456         (LANG_HOOKS_INITIALIZER): Update.
9457         * tree.c (recompute_tree_invarant_for_addr_expr): Call
9458         expr_to_decl langhook.
9459         * c-tree.h (c_expr_to_decl): Declare.
9460         * c-typeck.c (c_expr_to_decl): New.
9461         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9462         specially.
9463         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9464
9465 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9466
9467         PR c/22308
9468         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9469         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9470
9471 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
9472
9473         * Makefile.in: Adjust dependencies.
9474         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9475         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9476         * alias.c (rest_of_handle_cfg, pass_cfg): New.
9477         * bb-reorder.c (duplicate_computed_gotos): Make it static.
9478         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9479         rest_of_compilation.
9480
9481         * bb-reorder.c (gate_duplicate_computed_gotos,
9482         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9483         rest_of_handle_reorder_blocks, pass_reorder_blocks,
9484         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9485         pass_partition_blocks): New.
9486         * bt-load.c (gate_handle_branch_target_load_optimize,
9487         rest_of_handle_branch_target_load_optimize,
9488         pass_branch_target_load_optimize): New.
9489         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9490         pass_jump2): New.
9491         * cfglayout.c (pass_insn_locators_initialize): New.
9492         * cfgrtl.c (pass_free_cfg): New.
9493         * combine.c (gate_handle_combine, rest_of_handle_combine,
9494         pass_combine): New.
9495         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9496         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9497         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9498         * except.c (pass_set_nothrow_function_flags,
9499         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9500         pass_rtl_eh): New.
9501         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9502         rest_of_handle_shorten_branches, pass_shorten_branches,
9503         rest_of_clean_state, pass_clean_state): New.
9504         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9505         rest_of_handle_remove_death_notes, pass_remove_death_notes,
9506         rest_of_handle_life, pass_life, rest_of_handle_flow2,
9507         pass_flow2): New.
9508         * function.c (pass_instantiate_virtual_regs, pass_init_function,
9509         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9510         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9511         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9512         pass_gcse): New.
9513         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9514         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9515         pass_rtl_ifcvt, gate_handle_if_after_combine,
9516         rest_of_handle_if_after_combine, pass_if_after_combine,
9517         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9518         pass_if_after_reload): New.
9519         * integrate.c (pass_initial_value_sets): New.
9520         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9521         pass_purge_lineno_notes): New.
9522         * mode-switching.c (rest_of_handle_mode_switching,
9523         pass_mode_switching): New.
9524         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9525         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9526         pass_loop2): New.
9527         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9528         pass_loop_optimize): New.
9529         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9530         pass_sms): New.
9531         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9532         pass_gcse2): New.
9533         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9534         pass_postreload_cse): New.
9535         * profile.c (gate_handle_profiling, pass_profiling,
9536         rest_of_handle_branch_prob, pass_branch_prob): New.
9537         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9538         pass_split_before_regstack, gate_handle_split_before_regstack,
9539         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9540         rest_of_handle_split_all_insns, pass_split_all_insns): New.
9541         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9542         pass_stack_regs): New.
9543         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9544         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9545         pass_stack_adjustments): New.
9546         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9547         pass_regrename): New.
9548         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9549         pass_delay_slots, gate_handle_machine_reorg,
9550         rest_of_handle_machine_reorg, pass_machine_reorg): New.
9551         * rtl.h (extern void purge_line_number_notes): New.
9552         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9553         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9554         pass_sched2): New.
9555         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9556         pass_tracer): New.
9557         * value-prof.c (gate_handle_value_profile_transformations,
9558         rest_of_handle_value_profile_transformations,
9559         pass_value_profile_transformations): New.
9560         * var-tracking.c (gate_handle_var_tracking,
9561         pass_variable_tracking): New.
9562         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9563
9564         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9565         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9566         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9567         rest_of_handle_old_regalloc, rest_of_handle_regrename,
9568         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9569         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9570         rest_of_handle_gcse2, rest_of_handle_regmove,
9571         rest_of_handle_tracer, rest_of_handle_if_conversion,
9572         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9573         rest_of_handle_web, rest_of_handle_branch_prob,
9574         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9575         rest_of_handle_jump_bypass, rest_of_handle_combine,
9576         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9577         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9578         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9579         rest_of_handle_mode_switching, rest_of_handle_jump,
9580         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9581         rest_of_handle_flow2, rest_of_handle_jump2,
9582         rest_of_handle_peephole2, rest_of_handle_postreload,
9583         rest_of_handle_shorten_branches, rest_of_clean_state,
9584         rest_of_compilation): Remove.
9585
9586         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9587         * passes.c (dump_flags, in_gimple_form, all_passes,
9588         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9589         register_dump_files, next_pass_1, last_verified, execute_todo,
9590         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9591         from tree-optimize.c.
9592         (init_optimization_passes): Moved from tree-optimize.c,
9593         adding the RTL optimizations.
9594         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9595         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9596         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9597         register_dump_files, next_pass_1, last_verified, execute_todo,
9598         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9599         init_tree_optimization_passes, ipa_passes): Delete.
9600         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9601         the RTL dumps.
9602         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9603         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9604         from tree.h.
9605         (ipa_passes): Remove.
9606         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9607         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9608         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9609         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9610         (dump_info_p, dump_flag): Moved to tree-dump.h.
9611
9612         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9613         cgraph.c, opts.c.
9614         * passes.c (finish_optimization_passes): Use dump_begin
9615         and dump_end, TDI_end.
9616         (gate_rest_of_compilation): New.
9617         (pass_rest_of_compilation): Use it.
9618         (gate_postreload, pass_postreload): New.
9619         * toplev.c (general_init): Rename init_tree_optimization_passes.
9620         * toplev.h (init_tree_optimization_passes): Rename to
9621         init_optimizations_passes.
9622         * tree-dump.c (dump_flag): Make static.
9623         (dump_files): Remove RTL dumps.
9624         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9625         pass_cleanup_cfg, pass_free_cfg_annotations,
9626         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9627         pass_init_datastructures, pass_fixup_cfg): Make non-static.
9628         * tree-pretty-print.c: Include tree-pass.h.
9629         * cgraph.c: Include tree-dump.h.
9630
9631 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9632
9633         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9634         Only fall back to saying it points to readonly memory if
9635         we can't do better.
9636
9637 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9638
9639         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9640         * config/m32r/m32r.c (m32r_compute_frame_size,
9641         m32r_expand_prologue): Take current_function_profile into
9642         account whenever we reference
9643         current_function_uses_pic_offset_table.
9644         (m32r_finalize_pic): Remove.
9645         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9646
9647 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
9648
9649         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9650         instead of $<.  Don't remove ./as if it already exists.
9651
9652 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9653
9654         PR target/21723
9655         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9656         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9657         for complex modes when generating code for PA 1.0.
9658         (VALID_FP_MODE_P): New macro.
9659         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9660         sets for all general and floating point modes.  Align wide floating
9661         point modes to even register boundaries to comply with architectural
9662         requirements.
9663         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9664         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9665         (VALID_FP_MODE_P): New macro.
9666         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9667         sets for all general and floating point modes.  Align wide floating
9668         point modes to even register boundaries to comply with architectural
9669         requirements.
9670
9671 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9672
9673         * tree-dump.c (dump_files): Initialize dump number for .cgraph
9674         to 0.
9675
9676 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9677
9678         * tree-ssa-structalias.c: Don't include expr.h.
9679
9680 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9681
9682         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9683         comments.
9684
9685 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9686
9687         Fix PR tree-optimization/22279
9688
9689         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9690         correct operator.
9691
9692 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
9693
9694         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9695
9696 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9697
9698         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9699         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9700         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9701         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9702         config/stormy16/stormy16.c, config/v850/v850.c,
9703         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9704         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9705         Avoid "." or "\n" at end of diagnostics and capital letters at
9706         start of diagnostics.
9707         * combine.c, cse.c: Don't translate dump file output.
9708         * toplev.c (print_version): Only translate output if going to
9709         stderr.
9710
9711 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9712
9713         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9714         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9715         typos.
9716
9717 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9718
9719         * pa.c (fix_range): Fix typo in comment.
9720
9721 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9722
9723         * tree-vrp.c (extract_range_from_assert): Replace
9724         fold (build (...)) with fold_build2.
9725
9726 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9727
9728         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9729         gcc_gfc_char_table, init_dynamic_gfc_info): New.
9730         (format_types_orig, handle_format_attribute): Add support for
9731         format "gcc_gfc".
9732
9733 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9734
9735         * varasm.c (assemble_variable): Fix format specifier thinko.
9736
9737 2005-07-03  Ira Rosen  <irar@il.ibm.com>
9738
9739         PR tree-optimization/22029 (and 22135)
9740         * tree-pretty-print.c (dump_generic_node): Check that the node is not
9741         a phi node before calling dump_vops.
9742
9743 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9744
9745         * tree-dump.h (dump_string_field): Declare.
9746         * tree-dump.c: Use it instead of dump_string.
9747         (dump_string_field): Make non-static.
9748
9749 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9750
9751         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9752         up the minimal CFG stuff always when optimize > 0.  Call
9753         split_all_insns_noflow in PIC case if needed.
9754
9755 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9756             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9757
9758         PR c++/18279
9759         * c-decl.c (c_write_global_declarations): Dump contents of
9760         external scope to.
9761         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9762         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9763         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9764         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9765         is enabled.
9766
9767 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9768
9769         * c-common.h (GCC_DIAG_STYLE): Define.
9770         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
9771         version for format checking to 4.1.
9772         * c-format.c: Include toplev.h after c-common.h.
9773         (enum format_type): Add gcc_tdiag_format_type.
9774         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9775         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9776         (format_types_orig): Add gcc_tdiag.
9777         (init_dynamic_diag_info): Support gcc_tdiag formats.
9778         (handle_format_attribute): Likewise.
9779         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9780         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
9781         version for format checking to 4.1.
9782         (warning0, warning, error, pedwarn, sorry): Use
9783         ATTRIBUTE_GCC_DIAG.
9784         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9785         (finish_aliases_1): Do not use %qE.
9786         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9787         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9788         Correct format bugs.
9789         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9790         parameter to unsigned HOST_WIDE_INT.
9791         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9792
9793 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
9794
9795         PR middle-end/21742
9796         * expr.c (write_complex_part): Use adjust_address for MEM.
9797         (read_complex_part): Same.
9798
9799 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
9800
9801         Fix PR tree-optimization/22280
9802
9803         * tree-sra.c (generate_element_init): Remove useless loop.
9804
9805 2005-07-02  Richard Henderson  <rth@redhat.com>
9806
9807         * config/alpha/alpha.c (alpha_legitimize_address): Check for
9808         TLS_MODEL_NONE.
9809         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9810
9811 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
9812
9813         PR middle-end/14490
9814         * fold-const.c (fold_binary): Handle the return value of
9815         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9816         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9817
9818 2005-07-02  Jeff Law  <law@redhat.com>
9819
9820         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9821         a eliminate type conversion which feeds an equality comparison
9822         if the original type or either operand in the comparison is a
9823         function pointer.
9824
9825 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
9826
9827         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9828         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9829         texts.
9830         * config/avr/avr.c: Do not use '`' as left quote.
9831         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9832         Remove "." from end of diagnostics.  Make diagnostics start with
9833         lowercase letter.
9834
9835 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
9836             Joseph S. Myers  <joseph@codesourcery.com>
9837
9838         * toplev.c (default_tree_printer): Handle setting location with
9839         '+' flag.
9840         * c-objc.common.c (c_tree_printer): Likewise.
9841         * c-format.c (gcc_diag_flag_specs): Add '+'.
9842         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9843         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9844         formats.
9845         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9846         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9847         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9848         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9849         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9850         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
9851         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
9852         format arguments where %J is used without %D.
9853
9854 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
9855
9856         * gcc.c (LINK_SSP_SPEC): Define.
9857         (link_ssp_spec): New variable.
9858         (LINK_COMMAND_SPEC): Add %(link_ssp).
9859         (static_specs): Add link_ssp_spec.
9860         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9861         * configure: Rebuilt.
9862         * config.in: Rebuilt.
9863
9864         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9865         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9866         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9867         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9868         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9869         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9870         -0x7008(2) instead of reading __stack_chk_guard variable.
9871         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9872         number.
9873         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9874         (stack_protect_set, stack_protect_test): Use *_tls* patterns
9875         if TARGET_THREAD_SSP_OFFSET is defined.
9876         (stack_tls_protect_set_si, stack_tls_protect_set_di,
9877         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9878
9879         Revert:
9880         2005-06-27  Richard Henderson  <rth@redhat.com>
9881         * libgcc-std.ver (GCC_4.1.0): New.
9882         * libgcc.h (__stack_chk_guard): Declare.
9883         (__stack_chk_fail, __stack_chk_fail_local): Declare.
9884         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9885         * mklibgcc.in (lib2funcs): Add them.
9886
9887 2005-07-01  Richard Henderson  <rth@redhat.com>
9888
9889         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9890         void * before struct sigcontext *.
9891         (x86_fallback_frame_state): Likewise.
9892
9893 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
9894
9895         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9896
9897 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9898
9899         PR tree-opt/22269
9900         * tree-ssa-reassoc.c (should_transpose): Fix which operand
9901         we check for SSA_NAME for.
9902
9903 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
9904
9905         Fix PR tree-optimization/22071
9906
9907         * tree-ssa-structalias.c (offset_overlaps_with_access): New
9908         function.
9909         (get_constraint_for_component_ref): Use it.
9910
9911 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9912
9913         PR other/22264
9914         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9915         print out the last new line.
9916
9917 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
9918
9919         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9920         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9921         * config/cris/cris.c (cris_conditional_register_usage): Adjust
9922         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9923         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9924         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9925         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9926         (enum reg_class): New member CC0_REGS.
9927         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9928         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9929         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9930         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9931         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9932         Adjust for register now described.
9933
9934 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
9935
9936         PR target/22262
9937         * config/i386/i386.md (stack_protect_test_si,
9938         stack_protect_test_di): Add earlyclobber for scratch 3.
9939         * config/rs6000/rs6000.md (stack_protect_testsi,
9940         stack_protect_testdi): Add earlyclobber for scratch 3,
9941         remove earlyclobber from scratch 4.
9942
9943 Older entries for 2005 can be found in ChangeLog-2005.